Container modular steel tailings dry separation processing equipment and assembly method thereof

Abstract

The application discloses a container modularized steel tailing dry method sorting treatment equipment and an assembling method thereof, which comprises a platform and a plurality of containers placed on the platform; the inner side or the outer side of the plurality of containers is respectively detachably connected with a first sorting conveying unit, a second sorting conveying unit and a third sorting conveying unit; the first sorting conveying unit comprises a first A elevator, a first vibrating screen, a first dry magnetic separator, a first B elevator and a first material bin; the second sorting conveying unit comprises a second vibrating feeder, a second dry magnetic separator, a second elevator and a second material bin; the third sorting conveying unit comprises a distributor and two third sorting conveying subunits; each third sorting conveying subunit comprises a third vibrating feeder, a third dry magnetic separator, a third elevator and a third material bin; the application can dissociate steel tailing waste, sort out different minerals, and completely separate slag and iron; the equipment has high integration degree, is convenient to assemble and is convenient to transport.

Description

Technical Field

[0001] This invention relates to the fields of equipment mounting, transport packaging, construction site installation, and industrial waste treatment, specifically to a containerized modular steel tailings treatment equipment and its assembly method for dry grading and screening of steel tailings waste generated during steel smelting for resource recovery. Background Technology

[0002] Steel tailings are byproducts of the steel industry, mainly derived from waste slag in the steelmaking process and residues after steel product processing. They are slags discharged during the smelting process of converters, electric furnaces, and refining furnaces, formed by impurities in metal raw materials, fluxes, and furnace linings, with silicates, ferrates, and oxides as the main components. They mainly include converter slag, electric furnace slag, foundry residue, and open-hearth furnace slag.

[0003] Therefore, it is urgent to develop efficient and clean steel tailings waste treatment equipment and processes, realize the resource utilization of steel tailings, and eliminate the environmental pollution caused by the stockpiling of steel tailings. The proper resource utilization of steel tailings can not only generate huge social benefits, but also huge economic benefits, which is of great significance to the healthy development of the steel industry.

[0004] Based on their usability, the main mineral components of steel tailings can be divided into two categories:

[0005] 1) Active minerals similar to silicate cement clinker:

[0006] Calcium silicate, calcium ferrite, calcium aluminoferrite, free calcium oxide, total active mineral content approximately 55%;

[0007] 2) Iron-rich inert minerals:

[0008] The composition consists of iron particles (Fe), magnetic iron oxide (Fe3O4), and RO phases (MgO, MnO, and FeO). Among these, iron particles (Fe) account for approximately 2-3%, magnetic iron oxide (Fe3O4) accounts for approximately 4.5-7.5%, and RO phases account for approximately 35%. The total content of iron-rich inert minerals is approximately 45%.

[0009] The goal of this technical field has always been to separate steel tailings waste and classify it into different minerals to transform it into high-value products. Currently, most steel plants in China use a four-step process for steel tailings treatment: hot quenching, crushing, screening, and magnetic separation. This process involves numerous equipment steps, incomplete separation of slag and iron, low-grade recycled scrap steel (TFe content approximately 40%), which is unsuitable for ironmaking. Furthermore, the high MFE content in the tailings leads to significant resource waste and poor economic efficiency. Therefore, the key to achieving high-value utilization of steel tailings lies in utilizing efficient and simple process equipment to process high-quality scrap steel, iron concentrate, and easily usable dry tailings.

[0010] Currently, advanced steel tailings resource utilization equipment, both domestically and internationally, typically consists of drying, grinding, grading, screening, separation, conveying, storage, and dust collection units. The drying, grinding, and grading units are already integrated. The drying unit uses a hot air furnace to provide hot air, which is then introduced into the mill through a negative pressure generated by a circulating fan, raising the mill temperature and drying the material inside. The grinding unit uses a roller mill, and the grading unit uses a multi-stage particle separator connected to the roller mill to receive other lightweight materials separated by the roller mill and separate them into heavy particles, light particles, and steel slag powder based on weight. However, the screening, separation, conveying, storage, and dust collection units are not yet integrated. The screening unit includes vibrating feeders and vibrating screens; the separation unit includes magnetic separators; the conveying unit includes belt conveyors, quantitative feeders, screw conveyors, and elevators; the storage unit uses silos and steel silos; and the dust collection unit uses dust collectors. These devices often need to be graded and combined according to the purification requirements of steel tailings, which results in a large number of supporting components and low system integration. There are long construction cycles in all aspects, including equipment procurement, transportation, installation and commissioning. In addition, these devices are large in size, occupy a large area, and require highly skilled personnel for production, operation and maintenance.

[0011] Therefore, the key issues to be addressed next are how to improve the integration of steel tailings resource utilization equipment, making it integrated, modular, and serialized, so as to facilitate rapid on-site assembly and connection, shorten the construction cycle, facilitate transportation, and enable rapid disassembly, rapid relocation, and reuse. Summary of the Invention

[0012] The technical problem to be solved by the present invention is to provide a containerized modular steel tailings dry sorting and treatment equipment and its assembly method that can dry grade and screen the steel tailings waste generated in the process of steel smelting and make it available for resource recovery, in order to overcome the shortcomings of the existing technology. The present invention can separate steel tailings waste and sort out different minerals, such as iron concentrate, iron particles, iron-rich RO phase iron concentrate, etc., and the slag and iron are thoroughly separated; the equipment has a high degree of integration, is easy to assemble, and is convenient to transport.

[0013] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0014] A containerized modular steel tailings dry sorting and processing equipment includes a platform and multiple containers placed on the platform;

[0015] Multiple containers are detachably connected to a primary sorting and conveying unit, a secondary sorting and conveying unit, and a tertiary sorting and conveying unit on their inner or outer sides. The primary sorting and conveying unit includes a primary conveying unit, a first A-type elevator, a primary vibrating screen, a first dry magnetic separator, a first B-type elevator, and a primary silo. The secondary sorting and conveying unit includes a secondary conveying unit, a secondary vibrating feeder, a second dry magnetic separator, a second elevator, and a secondary silo. The tertiary sorting and conveying unit includes a tertiary feeding conveying unit, a material distributor, and two tertiary sorting and conveying subunits. Each tertiary sorting and conveying subunit includes a tertiary conveying unit, a tertiary vibrating feeder, a third dry magnetic separator, a third elevator, and a tertiary silo.

[0016] In the primary sorting and conveying unit, the feed inlet of the first A elevator is connected to the hot air pipe outlet of the roller mill through the primary conveying unit; the outlet of the first A elevator is connected to the feed inlet of the primary vibrating screen; the small particle outlet of the primary vibrating screen is connected to the feed inlet of the first dry magnetic separator; the iron particle outlet of the first dry magnetic separator is connected to the feed inlet of the first B elevator; the outlet of the first B elevator is connected to the primary silo; and the large particle outlet of the primary vibrating screen and the remaining mineral particle outlet of the first dry magnetic separator are simultaneously connected to the feed inlet of the roller mill through an external quantitative feeder and an external conveyor.

[0017] The upper part of the roller mill is also connected to a multi-stage particle separator, which includes a first discharge port for separating heavy particles rich in iron, a second discharge port for separating light particles rich in iron concentrate, and a third discharge port for separating steel slag powder.

[0018] In the secondary sorting and conveying unit, the feed inlet of the secondary vibrating feeder is connected to the first discharge outlet of the multi-stage particle separator through the secondary conveying unit. The discharge outlet of the secondary vibrating feeder is connected to the feed inlet of the second dry magnetic separator. The iron concentrate discharge outlet of the second dry magnetic separator is connected to the feed inlet of the second elevator. The discharge outlet of the second elevator is connected to the secondary silo. The discharge outlets of the remaining mineral particles of the second dry magnetic separator are connected to the feed inlet of the roller mill through an external quantitative feeder and an external conveyor.

[0019] In the three-stage sorting and conveying unit, the feed inlet of the distributor is connected to the second discharge outlet of the multi-stage particle separator through the three-stage feeding and conveying unit. The two discharge outlets of the distributor are respectively connected to the three-stage conveying units in the two three-stage sorting and conveying sub-units. In each three-stage sorting and conveying sub-unit, the three-stage conveying unit is connected to the feed inlet of the three-stage vibrating feeder. The discharge outlet of the three-stage vibrating feeder is connected to the feed inlet of the third dry magnetic separator. The discharge outlet of the iron-rich RO phase iron concentrate of the third dry magnetic separator is connected to the feed inlet of the third elevator. The discharge outlet of the third elevator is connected to the three-stage silo. The discharge outlets of the remaining mineral particles of the third dry magnetic separator are connected to the feed inlet of the roller mill through an external quantitative feeder and an external conveyor.

[0020] As a further improved technical solution of the present invention, the primary conveying unit includes a first screw conveyor, a second screw conveyor and a third screw conveyor. The feed inlet of the first A elevator is connected to the hot air pipe outlet of the roller mill through the first screw conveyor. The discharge outlet of the first A elevator is connected to the feed inlet of the primary vibrating screen through the second screw conveyor and the first flexible connection. The discharge outlet of the primary silo is connected to the third screw conveyor through a rotary feeder. The third screw conveyor is connected to the bulk loader.

[0021] The secondary conveying unit includes a fifth screw conveyor and a sixth screw conveyor. The feed inlet of the secondary vibrating feeder is connected to the first discharge outlet of the multi-stage particle separator in sequence through a first chute, a second flexible connection, a second chute, and the fifth screw conveyor. The discharge outlet of the secondary vibrating feeder is connected to the feed inlet of the second dry magnetic separator through a third flexible connection. The discharge outlet of the secondary silo is connected to the third screw conveyor through the sixth screw conveyor.

[0022] The three-stage feeding and conveying unit includes an eighth screw conveyor. Each three-stage sorting and conveying subunit includes a ninth, tenth, eleventh, and twelfth screw conveyor. The feed inlet of the distributor is connected to the second outlet of the multi-stage particle separator via the eighth screw conveyor. The two outlets of the distributor are respectively connected to the ninth screw conveyor in each of the two three-stage sorting and conveying subunits. In each three-stage sorting and conveying subunit, the ninth screw conveyor is connected to the feed inlet of the three-stage vibrating feeder via a fourth flexible connection. The outlet of the three-stage vibrating feeder is connected to the feed inlet of the third dry magnetic separator via a fifth flexible connection. The outlet of the iron-rich RO phase iron concentrate of the third dry magnetic separator is connected to the feed inlet of the third elevator via the tenth screw conveyor and the third chute. The outlet of the third elevator is connected to the three-stage silo via the eleventh screw conveyor. The outlet of the three-stage silo is connected to the twelfth screw conveyor. The twelfth screw conveyor is connected to the bulk loader.

[0023] As a further improved technical solution of the present invention, the multiple containers are respectively three containers in the first layer, three containers in the second layer, and three containers in the third layer. The three containers in the first layer include containers No. 1, No. 4, and No. 5 located in the same row; the three containers in the second layer include containers No. 2, No. 6, and No. 7 located in the same row; and the three containers in the third layer include containers No. 3, No. 8, and No. 9 located in the same row.

[0024] Among them, containers No. 1, No. 2 and No. 3 are located in the same column and are connected in sequence by detachable fasteners; containers No. 4, No. 6 and No. 8 are located in the same column and are connected in sequence by detachable fasteners; containers No. 5, No. 7 and No. 9 are located in the same column and are connected in sequence by detachable fasteners.

[0025] Containers 1, 4, and 5 are all placed on the elevated layer (100) of the platform. Containers 1 and 4 are arranged alternately, and the interval between Containers 1 and 4 is the first maintenance passage. One side wall of Container 1 and one side wall of Container 4 are equipped with single doors facing the first maintenance passage. The other side wall of Container 5 is equipped with a single door and a first-level steel ladder platform. The first-level steel ladder platform is connected to the first ladder. The bottom of the first ladder is flush with the ground. The first-level steel ladder platform is connected to the second-level steel ladder platform through the second ladder. Containers 4 and 5 are connected by detachable fasteners. The two adjacent side walls of Containers 4 and 5 are equipped with second maintenance passages. Containers 4 and 5 are connected through the second maintenance passages.

[0026] Containers No. 2 and No. 6 are arranged alternately, and their bottoms are connected by a second-level steel ladder platform. Single doors are installed at both ends of one side wall of Container No. 2 and at both ends of one side wall of Container No. 6. The single doors in Container No. 2 and Container No. 6 are arranged facing each other. Containers No. 6 and No. 7 are connected by detachable fasteners. Second maintenance passages are opened at both ends of the two adjacent side walls of Containers No. 6 and No. 7, and Containers No. 6 and No. 7 are connected through the second maintenance passages.

[0027] Containers No. 3 and No. 8 are arranged alternately. The bottom of Containers No. 3 and No. 8 are connected by a third-level steel ladder platform. The sides of Containers No. 3 and No. 8 are connected by detachable support beams and detachable fasteners. The top of Containers No. 3 and No. 8 are connected by a fourth-level steel ladder platform. The third-level steel ladder platform is connected to the second-level steel ladder platform by a third ladder. The third-level steel ladder platform is connected to the fourth-level steel ladder platform by a fourth ladder. Containers No. 8 and No. 9 are connected by detachable fasteners.

[0028] A partition is installed in the middle of the interior of container number three, which divides the interior of container number three into two enclosed spaces, referred to as the primary storage warehouse and the secondary storage warehouse. Both the secondary storage warehouse and the primary storage warehouse are located inside container number two. The top of the secondary storage warehouse and the top of the primary storage warehouse are connected to the top of container number two by detachable fasteners. The bottom of the secondary storage warehouse is connected to the top of the secondary storage warehouse, and the bottom of the primary storage warehouse is connected to the top of the primary storage warehouse.

[0029] The two tertiary silos are located inside containers 6 and 7 respectively. The top of one tertiary silo is connected to the top of container 6 by a detachable fastener, and the top of the other tertiary silo is connected to the top of container 7 by a detachable fastener. The bottom of the enclosed space in container 8 is connected to the top of the tertiary silo in container 6, and the bottom of the enclosed space in container 9 is connected to the top of the tertiary silo in container 7.

[0030] The first A-type elevator runs from bottom to top through the reserved passage on container number one and the bottom of container number two. The feed inlet of the first A-type elevator is located below the bottom of container number one. The discharge outlet of the first A-type elevator, the second screw conveyor, the first flexible connection, and the first-stage vibrating screen are all located inside container number two. One end of the fifth screw conveyor extends from the outside to the inside of container number two. The second chute, the second flexible connection, the first chute, and the second-stage vibrating feeder are all located inside container number two. The sixth screw conveyor is located inside container number two. One end of the third screw conveyor extends from the outside to the inside of container number two.

[0031] The first B elevator passes through the reserved channels on containers 1, 2 and 3 from bottom to top. The inlet of the first B elevator is located below the bottom of container 1, and the outlet of the first B elevator is located above the top of container 3. The outlet of the first B elevator is connected to a fourth chute, and the outlet of the fourth chute passes through the top of container 3 and connects to the primary storage tank in container 3.

[0032] The second elevator passes through the reserved channels on containers 1, 2 and 3 from bottom to top. The inlet of the second elevator is located below the bottom of container 1, and the outlet of the second elevator is located above the top of container 3. The outlet of the second elevator is connected to another fourth chute, and the outlet of the fourth chute passes through the top of container 3 and is connected to the secondary storage tank in container 3.

[0033] Both the first and second dry magnetic separators are located inside container number one.

[0034] The eighth screw conveyor and the material distributor are both located on the outside of containers 6 and 7. The material distributor is connected to containers 6 and 7 via detachable brackets and detachable fasteners.

[0035] In the first three-stage sorting and conveying subunit: the ninth screw conveyor extends from the outside to the inside into container number six; the fourth flexible connector and the third-stage vibrating feeder are located inside container number six; one end of the twelfth screw conveyor extends from the outside to the inside into container number six; the third dry magnetic separator is located inside container number four; the tenth screw conveyor is connected to the bottom of container number four via a bracket and detachable fasteners; both the tenth screw conveyor and the third chute are located below the bottom of container number four; the third elevator passes through the reserved channels on containers number four, six, and eight sequentially from bottom to top; the inlet of the third elevator is located below the bottom of container number four; the outlet of the third elevator is located above the top of container number eight; the outlet of the eleventh screw conveyor connected to the outlet of the third elevator is connected to the reserved through hole at the top of container number eight, thus communicating with the sealed space inside container number eight.

[0036] In the second three-stage sorting and conveying subunit: the ninth screw conveyor extends from the outside to the inside into container number seven; the fourth flexible connector and the third-stage vibrating feeder are located inside container number seven; one end of the twelfth screw conveyor extends from the outside to the inside into container number seven; the third dry magnetic separator is located inside container number five; the tenth screw conveyor is connected to the bottom of container number five via a bracket and detachable fasteners; both the tenth screw conveyor and the third chute are located below the bottom of container number five; the third elevator passes through the reserved channels on containers number five, seven, and nine sequentially from bottom to top; the inlet of the third elevator is located below the bottom of container number five; the outlet of the third elevator is located above the top of container number nine; the outlet of the eleventh screw conveyor connected to the outlet of the eleventh screw conveyor is connected to the reserved through hole at the top of container number nine, thus communicating with the sealed space inside container number nine.

[0037] As a further improved technical solution of the present invention, containers No. 1, No. 4, No. 5, No. 2, No. 6, and No. 7 each include a first bottom frame, a first column, a first top frame, a first front corrugated plate, a first rear corrugated plate, a left-side detachable wall, and a right-side detachable wall; the first bottom frame and the first top frame are connected by four first columns, and the front side of the first bottom frame, the front side of the first top frame, and the first front corrugated plate are connected between two first columns; the rear side of the first bottom frame, the first front corrugated plate, the first rear corrugated plate ... A first rear corrugated plate is connected between the rear side of the top frame and the two first columns. The left side of the first bottom frame, the left side of the first top frame, and the two first columns are connected to the left detachable wall through a door frame and detachable fasteners. The right side of the first bottom frame, the right side of the first top frame, and the two first columns are connected to the right detachable wall through a door frame and detachable fasteners. A first patterned plate is laid on the first bottom frame, and multiple clearance holes for other structures to pass through are opened on the first patterned plate. The first top frame is an open structure.

[0038] In container number one: there is a gap between the top of the first rear corrugated plate and the rear side of the first top frame, and a glass window and a first louver are connected to this gap; there is a gap between the bottom of the first rear corrugated plate and the rear side of the first bottom frame, and a second louver is connected to this gap; there is a gap between the top of the first front corrugated plate and the front side of the first top frame, and a glass window and a first louver are connected to this gap; there is a gap between the bottom of the first front corrugated plate and the front side of the first bottom frame, and a second louver is connected to this gap; there is a gap between the left side of the first front corrugated plate and the first column on the left front side, and a single door is hinged to this gap; there is a gap between the right side of the first front corrugated plate and the first column on the right front side, and a single door is hinged to this gap; both the first dry magnetic separator and the second dry magnetic separator are connected to the first checkered plate in container number one via detachable fasteners.

[0039] In container number two: there is a gap between the bottom of the first rear corrugated panel and the rear side of the first bottom frame, and a second louver is connected to this gap; there is a gap between the bottom of the first front corrugated panel and the front side of the first bottom frame, and a second louver is connected to this gap; there is a gap between the left side of the first front corrugated panel and the first upright on the left front side, and a single door is hinged to this gap; there is a gap between the right side of the first front corrugated panel and the first upright on the right front side, and a single door is hinged to this gap; a fixed connection is made to the first top frame. A skirt is used for fixed connection with the top of the secondary silo, the top of the primary silo, and the partition; a reserved through-hole is opened on the left detachable wall for the fifth screw conveyor to pass through, and a reserved through-hole is opened on the right detachable wall for the third screw conveyor to pass through; the third screw conveyor, the secondary vibrating feeder, and the primary vibrating screen are all connected to the first checkered plate in the second container by detachable fasteners; the second chute connected to the fifth screw conveyor is connected to the second container by detachable diagonal braces and detachable fasteners;

[0040] In container number four: there is a gap between the top of the first rear corrugated plate and the rear side of the first top frame, and a glass window and a first louver are connected in this gap; there is a gap between the bottom of the first rear corrugated plate and the rear side of the first bottom frame, and a second louver is connected in this gap; there is a gap between the left side of the first rear corrugated plate and the first column on the left rear side, and a single door is hinged in this gap; there is a gap between the right side of the first rear corrugated plate and the first column on the right rear side, and a single door is hinged in this gap; a second maintenance passage is opened on the first front corrugated plate; the third dry magnetic separator is connected to the first checkered plate in container number four through detachable fasteners.

[0041] In container number five: there is a gap between the top of the first front corrugated plate and the front side of the first top frame, and a glass window and a first louver are connected in this gap; there is a gap between the bottom of the first front corrugated plate and the front side of the first bottom frame, and a second louver is connected in this gap; there is a gap between the left side of the first front corrugated plate and the first column on the left front side, and a single door is hinged in this gap; a second maintenance passage is opened on the first rear corrugated plate; the third dry magnetic separator is connected to the first patterned plate in container number five through detachable fasteners;

[0042] In container number six: there is a gap between the bottom of the first rear corrugated plate and the rear side of the first bottom frame, and a second louver is connected to this gap; there is a gap between the left side of the first rear corrugated plate and the first column on the left rear side, and a single door is hinged to this gap; there is a gap between the right side of the first rear corrugated plate and the first column on the right rear side, and a single door is hinged to this gap; a second maintenance passage is provided on the first front corrugated plate; a reserved through-hole for the ninth screw conveyor is provided on the left detachable wall, and a reserved through-hole for the twelfth screw conveyor is provided on the right detachable wall; the three-stage vibrating feeder is connected to the first checkered plate in container number six via detachable fasteners;

[0043] In container number seven: there is a gap between the bottom of the first front corrugated plate and the front side of the first bottom frame, and a second louver is connected to the gap; a second maintenance passage is opened on the first rear corrugated plate; a reserved through-hole for the ninth screw conveyor is opened on the left detachable wall, and a reserved through-hole for the twelfth screw conveyor is opened on the right detachable wall; the three-stage vibrating feeder is connected to the first checkered plate in container number seven through detachable fasteners;

[0044] A fan is also installed on the 100th shutter.

[0045] As a further improved technical solution of the present invention, the No. 3 container, No. 8 container and No. 9 container all include a second bottom frame, a second column, a second top frame and a second corrugated plate.

[0046] The second bottom frame is an open structure, and the second top frame is covered with a second patterned plate. The second bottom frame and the second top frame are connected by four second columns. The front side of the second bottom frame and the front side of the second top frame are sealed with two second columns, and the rear side of the second bottom frame and the rear side of the second top frame are sealed with two second columns, the left side of the second bottom frame and the left side of the second top frame are sealed with two second columns, and the right side of the second bottom frame and the right side of the second top frame are sealed with two second columns.

[0047] As a further improvement of the present invention, the external quantitative feeder includes a first quantitative feeder and a second quantitative feeder;

[0048] The first quantitative feeder is connected to the bottom of container number one via a bracket and detachable fasteners. The large particle discharge port of the first-stage vibrating screen is connected to the remaining mineral particle discharge port of the first dry magnetic separator via the fifth chute, the sixth flexible connection, and the sixth chute. The remaining mineral particle discharge port of the first dry magnetic separator is connected to the feed port of the roller mill via the first quantitative feeder and an external conveyor. The remaining mineral particle discharge port of the second dry magnetic separator is connected to the feed port of the roller mill via the first quantitative feeder and an external conveyor.

[0049] In the first three-stage sorting and conveying subunit, the remaining mineral particle outlet of the third dry magnetic separator is connected to the feed inlet of the roller mill through a second quantitative feeder and an external conveyor. The second quantitative feeder is connected to the bottom of the fourth container through a bracket and detachable fasteners.

[0050] In the second three-stage sorting and conveying subunit, the discharge port of the remaining mineral particles of the third dry magnetic separator is connected to the feed port of the roller mill through another second quantitative feeder and an external conveyor. The second quantitative feeder is connected to the bottom of container number five through a bracket and detachable fasteners.

[0051] As a further improved technical solution of the present invention, the top of the first A hoist is connected to the top of the second container via a gourd-shaped jack; the exterior of the first A hoist is welded with multiple supports for supporting the bottom of the inner side of the first container.

[0052] The first B elevator has a sealing plate welded to its exterior. The sealing plate is connected to a protective cover by detachable fasteners. The protective cover passes through the reserved passage on the third container and the hopper opening on the first-level hopper. It is also connected to the reserved passage on the top of the third container by detachable fasteners and welded to the hopper opening on the first-level hopper. The first B elevator has multiple supports welded to its exterior for support on the inner bottom of the first container and the inner bottom of the second container.

[0053] The second elevator has a sealing plate welded to its exterior. The sealing plate is connected to a protective cover by detachable fasteners. The protective cover passes through the reserved passage on the third container and the hopper opening on the secondary hopper. It is also connected to the reserved passage on the top of the third container by detachable fasteners and welded to the hopper opening on the secondary hopper. The second elevator has multiple supports welded to its exterior for support on the inner bottom of the first container and the inner bottom of the second container.

[0054] A sealing plate is welded to the outside of a third elevator. The sealing plate is connected to a protective cover by detachable fasteners. The protective cover passes through the reserved passage on container number eight and the hopper opening on the third-level hopper inside container number six. It is also connected to the reserved passage on the top of container number eight by detachable fasteners and welded to the hopper opening on the third-level hopper. Multiple supports are welded to the outside of the third elevator for supporting the bottom inside of container number four and container number six.

[0055] Another third elevator has a sealing plate welded to its exterior. The sealing plate is connected to a protective cover by detachable fasteners. The protective cover passes through the reserved passage on container number nine and the hopper opening on the third-level hopper inside container number seven. It is also connected to the reserved passage on the top of container number nine by detachable fasteners and welded to the hopper opening on the third-level hopper. The exterior of the third elevator has multiple supports welded to it for support on the inner bottom of container number five and container number seven.

[0056] As a further improvement of the present invention, the tops of containers No. 3, No. 8 and No. 9 are all equipped with dust collection inlets, level gauges and inspection doors; the dust collection inlets are connected to dust collectors; and the tops of containers No. 3, No. 8 and No. 9 are surrounded by guardrails.

[0057] As a further improved technical solution of the present invention, the top inlet of the secondary silo, the top inlet of the primary silo, and the top inlet of the tertiary silo are fixedly connected with steel grating.

[0058] To achieve the above-mentioned technical objectives, another technical solution adopted by the present invention is as follows:

[0059] An assembly method for a containerized modular steel tailings dry sorting and processing equipment includes factory assembly steps and on-site assembly steps:

[0060] The factory assembly and transfer process includes:

[0061] Step 101: Assemble containers No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 7, No. 8 and No. 9 respectively;

[0062] Step 102: Hoist the first dry magnetic separator and the second dry magnetic separator into the container from the top opening and connect them to the bottom of the container inside the container using detachable fasteners.

[0063] Step 103: Hoist the secondary vibrating feeder, primary vibrating screen, and second screw conveyor into the inner side of container No. 2 through the top opening. Connect the secondary vibrating feeder and primary vibrating screen to the bottom of the inner side of container No. 2 using detachable fasteners. Connect the discharge port of the second screw conveyor, the first flexible connection, and the inlet of the primary vibrating screen sequentially using detachable fasteners. Insert one end of the fifth screw conveyor into container No. 2 through a pre-reserved through-hole on the left side detachable wall. Connect the discharge port of the fifth screw conveyor, the second chute, the second flexible connection, the first chute, and the inlet of the secondary vibrating feeder sequentially using detachable fasteners. Connect the second chute to the side wall of container No. 2 using detachable diagonal braces and detachable fasteners. Insert the third screw conveyor... One end of the rotary conveyor enters the No. 2 container through a pre-reserved through-hole on the right side of the detachable wall. A rotary feeder and a sixth screw conveyor are hoisted into the No. 2 container. The rotary feeder is connected to one inlet of the third screw conveyor with detachable fasteners, and the outlet of the sixth screw conveyor is connected to the other inlet of the third screw conveyor with detachable fasteners. A secondary silo and a primary silo are hoisted into the No. 2 container. The top of the secondary silo is connected to the skirt of the top of the No. 2 container with detachable fasteners, and the bottom is connected to the inlet of the sixth screw conveyor with detachable fasteners. The top of the primary silo is connected to the skirt of the top of the No. 2 container with detachable fasteners, and the bottom is connected to the rotary feeder with detachable fasteners.

[0064] Step 104: Hoist a third dry magnetic separator inward from the top opening of container number four and connect it to the bottom inside of container number four using detachable fasteners; hoist another third dry magnetic separator inward from the top opening of container number five and connect it to the bottom inside of container number five using detachable fasteners.

[0065] Step 105: Hoist the three-stage vibrating feeder inward through the top opening of container number six, and connect it to the bottom of container number six using detachable fasteners. Insert the ninth screw conveyor into container number six through the pre-reserved through-hole on the left side of the detachable wall. Connect the discharge port of the ninth screw conveyor, the fourth flexible connection, and the feed port of the three-stage vibrating feeder in sequence using detachable fasteners. Hoist the three-stage silo inward through the top opening of container number six, and connect the top of the three-stage silo to the top of container number six using detachable fasteners. Insert the twelfth screw conveyor into container number six through the pre-reserved through-hole on the right side of the detachable wall. Connect the feed port of the twelfth screw conveyor to the discharge port of the three-stage silo using detachable fasteners.

[0066] Step 106: Hoist another three-stage vibrating feeder inward through the top opening of container number 7, and connect the three-stage vibrating feeder to the bottom of container number 7 using detachable fasteners. Insert the other three-stage vibrating feeder into container number 7 through the reserved through-hole on the left side of the detachable wall. Connect the discharge port of the ninth screw conveyor, the other fourth flexible connection, and the feed port of the three-stage vibrating feeder in sequence using detachable fasteners. Hoist another three-stage silo inward through the top opening of container number 7, and connect the top of the three-stage silo to the top of container number 7 using detachable fasteners. Insert the twelfth screw conveyor into container number 7 through the reserved through-hole on the right side of the detachable wall. Connect the feed port of the twelfth screw conveyor to the discharge port of the three-stage silo using detachable fasteners.

[0067] On-site assembly steps include:

[0068] Step 201: Hoist containers No. 1, No. 4, and No. 5 onto the platform respectively, level the bottom foundation, and pay attention to controlling the spacing between containers No. 1 and No. 4. Connect the ends of containers No. 4 and No. 5 with detachable fasteners.

[0069] Step 202: Hoist container number 9 onto container number 7. Connect the top of container number 7 and the bottom of container number 9 with detachable fasteners to form assembly 1. Fiberglass sealing tape and sealant should be installed between container number 7 and container number 9.

[0070] Step 203: Hoist container No. 8 onto container No. 6 and connect the top of container No. 6 to the bottom of container No. 8 with detachable fasteners to form assembly two. Fiberglass sealing tape and sealant should be applied between container No. 6 and container No. 8.

[0071] Step 204: On the upper part of container No. 5, hoist the assembly as a whole and connect the top of container No. 5 to the bottom of container No. 7 with detachable fasteners.

[0072] Step 205: Hoist the assembly 2 on the upper part of container 4, connect the top of container 4 to the bottom of container 6 with detachable fasteners, connect the ends of container 6 and container 7 with detachable fasteners, and connect the ends of container 8 and container 9 with detachable fasteners.

[0073] Step 206: Hoist Container 2 onto Container 1, connecting the top of Container 1 to the bottom of Container 2 using detachable fasteners; pre-embed the anchor bolts of the base section of Hoist 1 in the concrete foundation; hoist the intermediate section of Hoist 1 into the reserved passage between Container 2 and Container 1, connecting the bottom of the intermediate section of Hoist 1 to the base section using detachable fasteners; hoist the top drive section of Hoist 1 into Container 2, connecting the top drive section of Hoist 1 to the top of the intermediate section using detachable fasteners; the top of the top drive section of Hoist 1... The hoisting point on the top of container No. 2 is connected to the hoisting point on the top of container No. 2. Multiple supports are welded to the middle section of hoist No. 1 to support the bottom of containers No. 1 and No. 2. The inlet of hoist No. 1 is connected to the outlet of screw conveyor No. 6 with detachable fasteners, and the outlet of hoist No. 1 is connected to the inlet of screw conveyor No. 2 with detachable fasteners. Container No. 3 is hoisted on top of container No. 2. The top of container No. 2 is connected to the bottom of container No. 3 with detachable fasteners. Fiberglass sealing tape and sealant must be installed between containers No. 2 and No. 3.

[0074] Step 207: Embed the anchor bolts of the base section of the first B elevator into the concrete foundation. Hoist the intermediate section of the first B elevator into the reserved passages on containers No. 3, No. 2, and No. 1, as well as into the hopper opening on the secondary hopper. Connect the bottom of the intermediate section of the first B elevator to the base section using detachable fasteners. Hoist a protective cover onto the outside of the intermediate section of the first B elevator. Weld the protective cover to the hopper opening of the secondary hopper. Connect the top drive section of the first B elevator to the intermediate section using detachable fasteners. Weld the top drive section of the first B elevator... The sealing plate, the flange on the top of the protective cover, and the opening on the top of the No. 3 container are connected by detachable fasteners; multiple supports for supporting the bottom of the No. 1 and No. 2 containers are welded on the intermediate section of the first B elevator; the feed inlet of the first B elevator, the seventh chute, and the iron particle discharge outlet of the first dry magnetic separator are connected in sequence by detachable fasteners; the discharge outlet of the first B elevator is connected to a fourth chute by detachable fasteners, which extends from the top opening of the No. 3 container into the primary storage compartment of the No. 3 container, and the fourth chute is welded and fixed to the top opening of the No. 3 container;

[0075] Step 208: Embed the anchor bolts of the base section of the second elevator into the concrete foundation. Hoist the intermediate section of the second elevator into the reserved passages on containers No. 3, No. 2, and No. 1, as well as into the hopper opening on the primary hopper. Connect the bottom of the intermediate section to the base section of the second elevator using detachable fasteners. Hoist a protective cover onto the outside of the intermediate section of the second elevator. Weld the protective cover to the hopper opening of the primary hopper. Connect the top drive section of the second elevator to the intermediate section using detachable fasteners. Weld the top drive section of the second elevator to a seal. The sealing plate, the flange on the top of the protective cover, and the opening on the top of the No. 3 container are connected by detachable fasteners; multiple supports for supporting the bottom of the No. 1 and No. 2 containers are welded on the intermediate section of the second elevator; the feed inlet of the second elevator, the eighth chute, and the iron concentrate discharge outlet of the second dry magnetic separator are connected in sequence by detachable fasteners; the discharge outlet of the second elevator is connected to another fourth chute by detachable fasteners; the fourth chute passes through the top opening of the No. 3 container into the secondary storage of the No. 3 container; the fourth chute is welded and fixed to the top opening of the No. 3 container.

[0076] Step 209: Embed the anchor bolts of the base section of the third hoist into the concrete foundation. Hoist the intermediate section of the third hoist into the reserved passages on containers No. 8, No. 6, and No. 4, and into the hopper opening on the third-level silo. Connect the bottom of the intermediate section to the base section of the third hoist using detachable fasteners. Hoist a protective cover onto the outside of the intermediate section of the third hoist. Weld the protective cover to the hopper opening of the third-level silo. Connect the top drive section of the third hoist to the intermediate section using detachable fasteners. Weld a sealing plate to the top drive section of the third hoist. This sealing plate and the flange at the top of the protective cover... The opening at the top of container No. 8 is connected to the container via detachable fasteners; multiple supports are welded onto the intermediate section of the third elevator to support the bottom of containers No. 4 and No. 6; the feed inlet of the third elevator, the third chute, the tenth screw conveyor, and the iron-rich RO phase iron concentrate outlet of the third dry magnetic separator are sequentially connected via detachable fasteners, and the tenth screw conveyor is connected to the outer bottom of container No. 4 via detachable fasteners; the discharge outlet of the third elevator is connected to the feed inlet of an eleventh screw conveyor via detachable fasteners, and the discharge outlet of the eleventh screw conveyor is connected to the top opening of container No. 8 via detachable fasteners.

[0077] Step 210: Embed the anchor bolts of the base section of the third hoist into the concrete foundation. Hoist the intermediate section of the third hoist into the reserved passages on containers 9, 7, and 5, and into the hopper opening on the third-level silo. Connect the bottom of the intermediate section to the base section of the third hoist using detachable fasteners. Hoist a protective cover onto the outside of the intermediate section of the third hoist. Weld the protective cover to the hopper opening of the third-level silo. Connect the top drive section of the third hoist to the intermediate section using detachable fasteners. Weld a sealing plate to the top drive section of the third hoist. This sealing plate, the flange at the top of the protective cover, and the container 9 are connected to the intermediate section. The opening at the top of the container is connected by detachable fasteners; multiple supports are welded onto the middle section of the third elevator to support the bottom of container No. 7 and container No. 5; the feed inlet of the third elevator, another third chute, another tenth screw conveyor and the iron-rich RO phase iron concentrate outlet of another third dry magnetic separator are connected in sequence by detachable fasteners, and the tenth screw conveyor is connected to the outer bottom of container No. 5 by detachable fasteners; the discharge outlet of the third elevator is connected to the feed inlet of another eleventh screw conveyor by detachable fasteners, and the discharge outlet of the eleventh screw conveyor is connected to the top opening of container No. 9 by detachable fasteners;

[0078] Step 208: Connect the first-level steel ladder platform to the front of container No. 5 using detachable fasteners, and connect the first-level steel ladder platform to the first ladder using detachable fasteners; connect the second-level steel ladder platform between containers No. 2 and No. 6, on the left side of container No. 2, on the left side of container No. 6, and on the left side of container No. 7 using detachable fasteners; connect the second ladder between the first-level and second-level steel ladder platforms using detachable fasteners; connect the third-level steel ladder platform between the bottom of container No. 3 and the bottom of container No. 8 using detachable fasteners; connect the third ladder between the second-level and third-level steel ladder platforms using detachable fasteners; connect the fourth-level steel ladder platform between the top of container No. 3 and the top of container No. 8 using detachable fasteners; connect guardrails around the top of containers No. 3, No. 8, and No. 9 using detachable fasteners.

[0079] Step 209: Connect the first-stage vibrating screen to the first dry magnetic separator, the second-stage vibrating feeder to the second dry magnetic separator, and the third-stage vibrating feeder to the third dry magnetic separator using flexible connections and detachable fasteners, respectively.

[0080] The first dry magnetic separator is connected to a multi-stage particle separator via a conveying unit. Under the action of magnetic force, iron particles are separated from iron-rich minerals. The remaining mineral particles are then returned to the roller mill for repeated grinding, dissociation, and separation via the conveying unit. Specifically, the iron mineral particles separated from the multi-stage particle separator are crushed and screened by a primary vibrating screen and then fed into the first dry magnetic separator. Magnetic force separates the iron particles from the remaining mineral particles. The iron particles are then fed into the primary iron particle storage silo via the first B elevator, thus completing the first extraction of steel tailings. The larger particles crushed and screened by the primary vibrating screen, along with the remaining mineral particles separated by the first dry magnetic separator, are fed into the first belt conveyor via the first quantitative feeder and then into the main feeding elevator, ultimately returning to the roller mill for repeated grinding, dissociation, and separation.

[0081] The second dry magnetic separator is connected to the multi-stage particle separator via a conveying unit. Under the action of magnetic separation, it separates iron concentrate rich in magnetic iron oxide from the heavy particles rich in iron particles separated by the multi-stage particle separator. The remaining mineral particles are then returned to the roller mill via the conveying unit for repeated grinding, dissociation, and separation. Specifically, the heavy particles are crushed by the secondary vibrating feeder and then fed into the second dry magnetic separator. The iron concentrate and the remaining mineral particles are separated by magnetic force. The iron concentrate is then fed into the secondary iron concentrate storage silo via the second elevator, thus completing the second extraction of steel tailings. The remaining mineral particles separated by the second dry magnetic separator are fed into the main feeding elevator via the first belt conveyor and finally returned to the roller mill for repeated grinding, dissociation, and separation.

[0082] The third dry magnetic separator is connected to the multi-stage particle separator via a conveying unit. Under the action of magnetic separation, it separates iron-rich RO phase iron concentrate from the light particles separated by the multi-stage particle separator. The remaining mineral particles are then returned to the roller mill for repeated grinding, dissociation, and separation via the conveying unit. Specifically, the light particles separated by the multi-stage particle separator are evenly distributed by a distributor via a screw conveyor and then conveyed in two separate paths, one entering the third-stage vibrating feeder via a screw conveyor. The fine particles after being crushed by the third-stage vibrating feeder enter the third dry magnetic separator, where iron-rich RO phase iron concentrate and other mineral particles are separated by magnetic force. The iron concentrate is then conveyed by a screw conveyor into an elevator, and finally into the third-stage iron-rich RO phase material storage silo, thus completing the third extraction of steel tailings. The remaining mineral particles separated by the magnetic separator are conveyed by a second quantitative feeder into a first belt conveyor, then into the main feeding elevator, and finally returned to the roller mill for repeated grinding, dissociation, and separation.

[0083] The container is modular, meaning that each container is a modular unit. Multiple units stacked in planar or three-dimensional form a modular container that is independent of each other. Electrical and control equipment are installed in the container. All containers are equipment workshops, packaging and transportation containers, and containers used for material storage. This invention has made full considerations in terms of energy saving, environmental protection, transportation, on-site construction and installation, operation and maintenance.

[0084] The beneficial effects of this invention are as follows:

[0085] According to the present invention, a containerized modular steel tailings dry sorting and processing equipment can realize multiple sorting, multiple extraction, repeated grinding and dissociation, instant sorting and real-time extraction. It can efficiently and thoroughly grind and dissociate minerals, accurately subdivide products, and deeply recover iron minerals to achieve 100% resource utilization. By integrating the screening, sorting, conveying and storage equipment of the steel tailings resource utilization system into the container, the equipment is compact, the process is simple, dry production is energy-saving and environmentally friendly. The internal equipment layout of the container is neat, the space utilization rate is high, the technology is mature, the configuration is advanced, the functions are complete, the operation is simple and the automation level is high, and the various components of the equipment can work together.

[0086] While meeting user needs, it achieves modular design, manufacturing, and construction of containers. Its unique process system and shortened workflow perfectly realize the concept of a container serving as both an equipment manufacturer and a packaging and transportation container, while saving floor space. It solves the construction needs of equipment placement, transportation packaging, and on-site installation, greatly shortening the on-site construction and installation period. Furthermore, the size of the container can be customized according to production volume, making it more versatile.

[0087] This equipment can separate steel tailings waste and separate different minerals, such as iron concentrate, iron particles, and iron-rich RO phase iron concentrate, achieving thorough separation of slag and iron. The equipment has a high degree of integration, and the bolted connection method and minimal welding facilitate rapid on-site assembly and connection, shorten the construction cycle, facilitate transportation, and allow for quick disassembly, rapid relocation, and reuse. Attached Figure Description

[0088] Figure 1 This is a schematic diagram of the steel tailings sorting and processing process. Figure 1 .

[0089] Figure 2 This is a schematic diagram of the steel tailings sorting and processing process. Figure 2 .

[0090] Figure 3 This is an axonometric view of a containerized modular steel tailings dry sorting and processing equipment.

[0091] Figure 4 This is a partial axonometric view of the first container train. Figure 1 .

[0092] Figure 5 This is a partial axonometric view of the first container train. Figure 2 .

[0093] Figure 6 This is a partial axonometric view of the second column of containers.

[0094] Figure 7 This is a partial axonometric view of the third column of containers.

[0095] Figure 8 Schematic diagram of the hidden structure in a modular steel tailings dry sorting and treatment equipment for containers. Figure 1 .

[0096] Figure 9 Schematic diagram of the hidden structure in a modular steel tailings dry sorting and treatment equipment for containers. Figure 2 .

[0097] Figure 10 Schematic diagram of the hidden structure in a modular steel tailings dry sorting and treatment equipment for containers. Figure 3 .

[0098] Figure 11 A schematic diagram of the steel ladder platform layout for a containerized modular steel tailings dry sorting and processing equipment.

[0099] Figure 12 for Figure 11 Schematic diagram of the C-direction steel ladder platform layout.

[0100] Figure 13 for Figure 12 Schematic diagram of the layout of the steel ladder platform in the middle D direction. Detailed Implementation

[0101] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings:

[0102] This embodiment provides a container modular steel tailings dry sorting and processing equipment. A schematic diagram of the steel tailings sorting and processing process of this container modular steel tailings dry sorting and processing equipment is shown below. Figure 1 and Figure 2 As shown.

[0103] Roller mill 1 is used to repeatedly grind, dissociate, and pre-sort the incoming steel tailings and intermediate mineral particles generated during the sorting process. The iron-rich mineral particles 70 are discharged through the hot air pipe outlet by gravity separation and conveyed by the first screw conveyor 6 into the first A elevator 33. The discharged material is conveyed by the second screw conveyor 7 to the first-stage vibrating screen 20. The small particles 50 crushed and screened by the first-stage vibrating screen 20 enter the first dry magnetic separator 23. The iron particles 53 with an iron grade T-Fe≥85% and the remaining mineral particles 52 are separated by magnetic force. The iron particles 53 enter the first-stage iron particle storage silo through the first B elevator 34 and then enter the first-stage silo 17, thus completing the first extraction of steel tailings. At this time, the iron recovery rate is as high as 8%. The large particles 51 crushed and screened by the primary vibrating screen 20 and the remaining mineral particles 52 separated by the first dry magnetic separator 23 are fed into the external conveyor (such as the first belt conveyor 28 and the second belt conveyor 29) through the first quantitative feeder 27, and then into the main feeding elevator 32 and finally returned to the roller mill 1 for repeated grinding, dissociation and separation.

[0104] A multi-stage particle separator 2 is installed above the roller mill 1 to receive other light materials discharged after grinding, dissociation, and separation by the roller mill 1. The ground light materials rise under the action of wind and enter the multi-stage particle separator 2, which can separate the other light materials into heavy particles rich in iron 71, light particles rich in iron concentrate 72, and steel slag powder 73 according to their weight. Among them, the steel slag powder 73 is connected to the dust collector through a conveying unit and enters the steel slag powder storage silo through an air chute and an elevator.

[0105] The heavy particles 71 rich in iron particles are sequentially fed into the secondary vibrating feeder 19 via the fourth screw conveyor 3 and the fifth screw conveyor 5. After being crushed by the secondary vibrating feeder 19, the small particles 57 are fed into the second dry magnetic separator 24. Through magnetic separation, iron concentrate 56 with 60-65% T-Fe and other mineral particles 55 are separated. The iron concentrate 56 is fed into the secondary iron concentrate storage silo via the second elevator 35, and then into the secondary silo 16, thus completing the second extraction of steel tailings. At this time, the iron recovery rate reaches 10%. The other mineral particles 55 separated by the second dry magnetic separator 24 are fed into the first quantitative feeder 27, and then sequentially fed into the first belt conveyor 28 and the second belt conveyor 29, and finally into the main feeding elevator 32 and returned to the roller mill 1 for repeated grinding, dissociation and separation.

[0106] The light particles 72 rich in iron concentrate are sequentially fed into the distributor 26 via the seventh screw conveyor 10 and the eighth screw conveyor 11. After being evenly distributed by the distributor 26, they are conveyed in two paths and fed into the third-stage vibrating feeder 21 via the ninth screw conveyor 12. The fine particles 60 after being crushed by the third-stage vibrating feeder 21 are fed into the third dry magnetic separator 25. The iron concentrate 62 with a T-Fe content of 40-45% and the remaining mineral particles 61 are separated by magnetic force. The iron concentrate 62 with a T-Fe content of 40-45% is fed into the third elevator 36 via the tenth screw conveyor 13, and then into the third-stage iron concentrate RO phase storage silo via the eleventh screw conveyor 14. Finally, it enters the third-stage silo 18, thus completing the third extraction of steel tailings. At this point, the iron recovery rate reaches 12%. The remaining mineral particles 361 separated by the third dry magnetic separator 25 are fed into the first belt conveyor 28 and the second belt conveyor 29 in sequence by the second quantitative feeder 30, and then into the main feed elevator 32 and finally returned to the roller mill 1 for repeated grinding, dissociation and separation.

[0107] The invention will be further described below with reference to the structural drawings of the container module:

[0108] See Figures 3-10 As shown, a modular containerized dry sorting and processing equipment for steel tailings includes a modular containerized sorting and conveying unit, a modular containerized screening and conveying unit, and a modular containerized storage and dust collection unit. The modular containerized sorting and conveying unit comprises three special containers in a first layer: container A1, container A4, and container A5. The modular containerized screening and conveying unit comprises three special containers in a second layer: container A2, container A6, and container A7. The modular containerized storage and dust collection unit comprises three special containers in a third layer: container A3, container A8, and container A9. The nine special containers are arranged in three rows and three columns. Containers A1, A2, and A3 are in one column; A4, A6, and A8 are in another column; and A5, A7, and A9 are in yet another column. Containers A1, A4, and A5 are in one row; A2, A6, and A7 are in another row; and A3, A8, and A9 are in yet another row. The three containers in each row have the same external dimensions.

[0109] The modular sorting and transport unit includes three special containers: Container A1, Container A4, and Container A5. Compared to traditional containers, these special containers have greater structural strength and rigidity, meeting environmental and operational requirements. All three containers are placed on the first level, above the platform's elevated level 100, arranged side-by-side. The elevated level 100 is constructed of steel or civil engineering. Container A1 and Container A4 are spaced apart, with a first maintenance passage 101 in the middle. Each of the two containers (Container A1 and Container A4) has a single door 102 on one side of its sidewall, equipped with a door closer 133. The single doors 102 face the first maintenance passage 101. Container A5 has a single door 102 on the other side of its sidewall, and a first-level steel ladder platform 501 is also provided. Figure 11-13As shown, the first-level steel ladder platform 501 connects to the first ladder 506, the bottom of which is flush with the ground. The first-level steel ladder platform 501 connects to the second-level steel ladder platform 500 via the second ladder 502. Simultaneously, the adjacent ends of the internal side walls of containers A4 (number four) and A5 (number five) are connected by a second maintenance passage 104, allowing passage from the single door 102 on the outside of container A5. Passage through containers A5 and A4 leads to the first maintenance passage 101, and then to container A1, facilitating operator maintenance. Adjacent outer sections of containers A4 and A5 are secured using detachable fasteners (such as bolts 110). The container ring beams and columns utilize a steel structure design for increased strength, and the container lifting points are located at the four top corners. Containers A1, A4, A5, A2, A6, and A7 all include a first bottom frame 120, a first column 121, a first top frame 122, a first front corrugated plate 123A, a first rear corrugated plate 123B, a left-side removable wall 127A, and a right-side removable wall 127B. The four corners of the first bottom frame 120 and the four corners of the first top frame 122 are respectively connected by four first columns 121. A first front corrugated plate 123A is connected between the front side of the first bottom frame 120, the front side of the first top frame 122 and the two first columns 121. A first rear corrugated plate 123B is connected between the rear side of the first bottom frame 120, the rear side of the first top frame 122 and the two first columns 121. The left side of the first bottom frame 120, the left side of the first top frame 122 and the two first columns 121 are connected to the left detachable wall 127A through a door frame 129 and bolts 110. The right side of the first bottom frame 120, the right side of the first top frame 122 and the two first columns 121 are connected to the left detachable wall 127B through a door frame 129 and bolts 110. The first bottom frame 120 adopts an H-beam structure, and a first checkered plate 132 is laid on the first bottom frame 120. The first checkered plate 132 has multiple clearance holes for other structures to pass through. The first column 121 adopts an H-beam structure, and the first column 121 adjacent to container A4 and container A5 is provided with corresponding bolt holes for end connection of the container body. The first top frame 122 adopts a channel steel ring beam structure, and the channel steel is provided with bolt holes corresponding to the upper container for connection of the upper and lower container bodies. The first top frame 122 is an open structure, that is, the tops of container A1, container A4, container A5, container A2, container A6, and container A7 are open structures.The first top frame 122 is "topless," meaning it is open at the top with a supporting beam in the middle. The supporting beam is partially detachable and connected to the first top frame 122 by bolts 110. The front and rear side walls of the container are sealed with the first front corrugated plate 123A and the first rear corrugated plate 123B. At the same time, the inner side of the first front corrugated plate 123A and the first rear corrugated plate 123B is reinforced with a support 135. The left and right side walls of the container are respectively detachable wall 127A on the left and detachable wall 127B on the right, which facilitates equipment installation, maintenance, and repair. The detachable wall 127A on the left or the detachable wall 127B on the right is connected to the door frame 129 of the container by bolts 110. Nuts are spot-welded to the inner side of the door frame 129. Two lifting lugs are provided at the top of the end wall by means of lifting eye nuts, which facilitates the lifting and disassembly of the end wall. At the same time, both ends are connected by diagonal bracing steel pipes 130 and high-strength bolt groups 131 to increase the strength of the container. In container A1: there is a gap between the top of the first rear corrugated plate 123B and the rear side of the first top frame 122, and a glass window 126 and a first louver 125 equipped with a fan 134 are connected at this gap; there is a gap between the bottom of the first rear corrugated plate 123B and the rear side of the first bottom frame 120, and a second louver 124 is connected at this gap; there is a gap between the top of the first front corrugated plate 123A and the front side of the first top frame 122, and a glass window 126 and a first louver 125 equipped with a fan 134 are connected at this gap; There is a gap between the bottom of the first front corrugated plate 123A and the front side of the first bottom frame 120, and a second louver 124 is connected to the gap; there is a gap between the left side of the first front corrugated plate 123A and the first column 121 on the left front side, and a single door 102 is hinged to the gap; there is a gap between the right side of the first front corrugated plate 123A and the first column 121 on the right front side, and a single door 102 is hinged to the gap; the first dry magnetic separator 23 and the second dry magnetic separator 24 are both connected to the first patterned plate 132 in container A1 by bolts 110. In container A4 of container number four: there is a gap between the top of the first rear corrugated plate 123B and the rear side of the first top frame 122, and a glass window 126 and a first louver 125 with a fan 134 are connected in the gap; there is a gap between the bottom of the first rear corrugated plate 123B and the rear side of the first bottom frame 120, and a second louver 124 is connected in the gap; there is a gap between the left side of the first rear corrugated plate 123B and the first column 121 on the left rear side, and a single door 102 is hinged in the gap; there is a gap between the right side of the first rear corrugated plate 123B and the first column 121 on the right rear side, and a single door 102 is hinged in the gap; a second maintenance passage 104 is opened on the first front corrugated plate 123A; the third dry magnetic separator 25 is connected to the first checkered plate 132 in container A4 of container number four by bolts 110.In container A5: there is a gap between the top of the first front corrugated plate 123A and the front side of the first top frame 122, and a glass window 126 and a first louver 125 with a fan 134 are connected in the gap; there is a gap between the bottom of the first front corrugated plate 123A and the front side of the first bottom frame 120, and a second louver 124 is connected in the gap; there is a gap between the left side of the first front corrugated plate 123A and the first column 121 on the left front side, and a single door 102 is hinged in the gap; a second maintenance passage 104 is opened on the first rear corrugated plate 123B; the third dry magnetic separator 25 is connected to the first patterned plate 132 in container A5 by bolts 110. Multiple fans 134 are installed inside the first louver 125 for exhaust ventilation. The fans are axial flow fans. At the same time, a second louver 124 is set at the bottom for air intake, forming a complete cooling system for the container. In addition, a glass window 126 is installed on the side wall. The glass window 126 is made of double-layer laminated tempered glass. Lighting is installed on the top of the container, which uses tri-proof LED lights. A power distribution box is installed on the side of the single door inside the container. The fans, lighting, and container power supply are all integrated in the power distribution box, forming a complete power system for the container. At the same time, a cable tray channel is set on the inner side wall of the container for wiring of internal equipment. When in use, only an external power supply is needed to meet the container's power needs.

[0110] Roller mill 1 grinds and sorts the iron-rich mineral particles 70 discharged from the incoming steel tailings. Multi-stage particle separator 2 separates heavy particles 71 rich in iron, light particles 72 rich in iron concentrate, and steel slag powder 73. The steel slag powder 73 can be recovered by a dust collector. The iron-containing mineral particles, heavy particles, and light particles are separated by three magnetic separators with different magnetic field strengths, namely a first dry magnetic separator 23, a second dry magnetic separator 24, and a third dry magnetic separator 25. The magnetic separators and the conveying unit are installed together in a special container. The first dry magnetic separator 23 and the second dry magnetic separator 24 are arranged side by side and installed in the same special container, namely container A1. Two sets of the third magnetic separator are installed in two other special containers, namely container A4 and container A5. Each magnetic separator is fixed to the first bottom frame 120 of the container by bolts.

[0111] The first dry magnetic separator 23 includes two feed inlets and two discharge outlets. The first feed inlet is located at the top center of the first dry magnetic separator 23 and is used to receive small particles 50 after screening. The second feed inlet is located on one side of the first dry magnetic separator 23 and is used to receive large particles after screening from the first-stage vibrating screen 20. It is connected to the second discharge outlet of the first dry magnetic separator 23 by bolting through the sixth chute 201. Both discharge outlets are located at the bottom of the magnetic separator. The first discharge outlet is connected to the first B elevator 34 through the seventh chute 204, and the second discharge outlet is connected to the first quantitative feeder 27.

[0112] Small particles 50, crushed and screened by the primary vibrating screen 20, enter the first dry magnetic separator 23. Iron particles 53 and other mineral particles 52 are separated by magnetic force. Iron particles 53 enter the first B elevator 34 through the seventh chute 204 and finally enter the primary silo 17. Large particles 51, crushed and screened by the primary vibrating screen 20, and other mineral particles 52 separated by the first dry magnetic separator 23 enter the first quantitative feeder 27. Then, they are conveyed sequentially through the first belt conveyor 28 and the second belt conveyor 29 into the main feeding elevator 32 and finally returned to the roller mill 1 for repeated grinding, dissociation and separation.

[0113] The second dry magnetic separator 24 includes one feed inlet and two discharge outlets. The feed inlet is located at the top center of the magnetic separator and is used to receive crushed small particles 57. The feed inlet is connected to the secondary vibrating feeder 19 via a third flexible connection 217. Both discharge outlets are located at the bottom of the magnetic separator. The first discharge outlet is connected to the second elevator 35 via an eighth chute 205 using bolts, while the second discharge outlet is connected to the first belt conveyor 28 via a ninth chute 210 and a first quantitative feeder 27.

[0114] Small particles 57 crushed by the secondary vibrating feeder 19 enter the second dry magnetic separator 24, where iron concentrate 56 and other mineral particles 55 are separated by magnetic force. Iron concentrate 56 enters the second elevator 35 through the chute 205 and is finally discharged into the secondary silo 16. The other mineral particles 55 separated by the second dry magnetic separator 24 are successively conveyed by the first quantitative feeder 27, the first belt conveyor 28, and the second belt conveyor 29 into the main feeding elevator 32 and finally returned to the roller mill 1 for repeated grinding, dissociation and separation.

[0115] The third dry magnetic separator 25 includes one feed inlet and two discharge outlets. The feed inlet is located at the top center of the magnetic separator and is used to receive crushed fine particles 60. The feed inlet is connected to the three-stage vibrating feeder 21 via a flexible connection 219. The two discharge outlets are located at the bottom of the magnetic separator. The first discharge outlet is connected to the tenth screw conveyor 13 via bolts. The tenth screw conveyor 13 is connected to the third elevator 36 via the third chute 206 via bolts. The second discharge outlet is connected to the second quantitative feeder 30 via the tenth chute 207. The second quantitative feeder 30 is connected to the first belt conveyor 28 via the eleventh chute 208 / twelfth chute 209.

[0116] The fine particles 60 crushed by the three-stage vibrating feeder 21 enter the third dry magnetic separator 25, where iron-rich RO phase iron concentrate 62 and other mineral particles 61 are separated by magnetic force. The iron-rich RO phase iron concentrate 62 passes through the tenth screw conveyor 13, the third chute 206, and the third elevator 36 for discharge. It is then conveyed by the eleventh screw conveyor 14 and finally enters the three-stage silo 18. The other mineral particles 61 separated by the magnetic separator enter the second quantitative feeder 30 through the tenth chute 207, and then pass through the first belt conveyor 28 and the second belt conveyor 29 to enter the main feeding elevator 32 and finally return to the roller mill 1 for repeated grinding, dissociation and separation.

[0117] The modular screening and conveying unit comprises three special containers, numbered Container A2 (No. 2), Container A6 (No. 6), and Container A7 (No. 7). Compared to traditional containers, these special containers possess greater structural strength and rigidity, meeting environmental and operational requirements. These three containers are all placed on the second level, above Container A1 (No. 1), Container A4 (No. 4), and Container A5 (No. 5). Container A1 is connected to Container A2 (No. 2), Container A4 to Container A6 (No. 4), and Container A5 to Container A7 (No. 5). The outer sides of Container A6 (No. 6) and Container A7 (No. 7) are also connected by bolts 110. A second maintenance passage 104 connects the adjacent ends of the internal sidewalls of Container A6 (No. 6) and Container A7 (No. 7), allowing access to Container A2 (No. 2), Container A6 (No. 6), and then Container A7 (No. 7), facilitating operator inspection and maintenance. Container A2 (No. 2) and Container A6 (No. 6) are arranged alternately, with a second steel ladder platform 500 in the middle area serving as a maintenance passage. The bottom of the second steel ladder platform 500 is equipped with a bracket 503, which is bolted to the pre-embedded plate 504 of the container ring beam. Both sides of the side wall of Container A2 (No. 2) and Container A6 (No. 6) are equipped with single doors 102, with door closers 133 installed inside. The single doors 102 face the second steel ladder platform 500, which serves as the maintenance passage. In containers A2 (No. 2), A6 (No. 6), and A7 (No. 7), the container ring beams and columns adopt a steel structure design to increase strength. Container lifting points are located at the four top corners. The first bottom frame 120 uses an H-beam structure, with bolt holes at the bottom of the H-beam flange corresponding to the lower container for connection between the upper and lower containers. A first checkered plate 132 is laid on the upper part of the first bottom frame; some checkered plates are removable for easy equipment maintenance. The first column 121 uses an H-beam structure, with corresponding bolt holes on the first column 121 adjacent to containers A6 (No. 6) and A7 (No. 7) for container lifting. For end connections, the first top frame 122 adopts a channel steel ring beam structure. Bolt holes corresponding to those on the upper container are provided on the channel steel for connecting the upper and lower container bodies. In container A2, a skirt 140 is welded around the ring beam of the first top frame 122. Bolt holes corresponding to the flanges at the upper openings 141 of the primary silo 17 or secondary silo 16 are provided on the skirt 140 for connecting the flanges at the upper openings 141. Bolt holes corresponding to the intermediate partition 156 in the upper container A3 are also provided on the skirt 140 for connecting the upper and lower container bodies. Steel grating 139 is installed inside the upper openings 141 of the primary silo 17 and secondary silo 16 for easy maintenance and increased container strength. The flanges at the lower openings of the primary silo 17 or secondary silo 16 are connected to the rotary feeder 22 or the sixth screw conveyor 8 via bolts.Because the top of the silo is a storage tank, in order to avoid excessive pressure from material accumulation in the silo and obstruction of the screw conveyor, multiple baffles are installed inside the discharge ports of the primary silo 17 and the secondary silo 16 as pressure-reducing cones for the discharge ports, and each silo is equipped with a silo inspection door 138. In containers A2 (No. 2), A6 (No. 6), and A7 (No. 7), the front and rear side walls are sealed with a first front corrugated plate 123A and a first rear corrugated plate 123B. Reinforcing supports 135 are added to the inner sides of the first front corrugated plate 123A and the first rear corrugated plate 123B. The left and right side walls of the containers are respectively equipped with a detachable wall 127A on the left and a detachable wall 127B on the right, facilitating equipment installation, maintenance, and repair. The detachable wall 127A or the detachable wall 127B on the left or right is connected to the door frame 129 with bolts 110. Nuts are spot-welded to the inner side of the door frame 129. Two lifting lugs are provided at the top of the end wall via lifting eye nuts, facilitating the lifting and disassembly of the end wall. Both ends are connected with diagonal steel pipes 130 via high-strength bolt groups 131 to increase the strength of the container. In container A2 (number 2): there is a gap between the bottom of the first rear corrugated plate 123B and the rear side of the first bottom frame 120, and a second louver 124 is connected to this gap; there is a gap between the bottom of the first front corrugated plate 123A and the front side of the first bottom frame 120, and a second louver 124 is connected to this gap; there is a gap between the left side of the first front corrugated plate 123A and the first left front post 121, and a single door 102 is hinged to this gap; there is a gap between the right side of the first front corrugated plate 123A and the first right front post 121, and a single door 102 is hinged to this gap; a fixed connection is made to the first top frame 122. Skirt 140 is used to fix the skirt to the top of the secondary silo 16, the top of the primary silo 17 and the partition 156 by bolts 110; a reserved through-hole is opened on the left detachable wall 127A for the fifth screw conveyor 5 to pass through, and a reserved through-hole is opened on the right detachable wall 127B for the third screw conveyor 9 to pass through; the third screw conveyor 9, the secondary vibrating feeder 19 and the primary vibrating screen 20 are all connected to the first checkered plate 132 in container A2 by bolts 110; the second chute 212 connected to the fifth screw conveyor 5 is connected to container A2 by a detachable diagonal brace 215 and bolts 110.In container A6 (No. 6): there is a gap between the bottom of the first rear corrugated plate 123B and the rear side of the first bottom frame 120, and a second louver 124 is connected to this gap; there is a gap between the left side of the first rear corrugated plate 123B and the first column 121 on the left rear side, and a single door 102 is hinged to this gap; there is a gap between the right side of the first rear corrugated plate 123B and the first column 121 on the right rear side, and a single door 102 is hinged to this gap; a second maintenance passage 104 is provided on the first front corrugated plate 123A; a reserved through-hole for the ninth screw conveyor 12 is provided on the left detachable wall 127A, and a reserved through-hole for the twelfth screw conveyor 15 is provided on the right detachable wall 127B; the three-stage vibrating feeder 21 is connected to the first checkered plate 132 in container A6 (No. 6) by bolts 110. In container A7 (No. 7): there is a gap between the bottom of the first front corrugated plate 123A and the front side of the first bottom frame 120, and a second louver 124 is connected to this gap; a second maintenance passage 104 is provided on the first rear corrugated plate 123B; a reserved through-hole for the ninth screw conveyor 12 is provided on the left detachable wall 127A, and a reserved through-hole for the twelfth screw conveyor 15 is provided on the right detachable wall 127B; the three-stage vibrating feeder 21 is connected to the first checkered plate 132 in container A7 (No. 7) by bolts 110. In addition, a lighting fixture is installed on the top of the container, which is a tri-proof LED light. A power distribution box is installed on one side of the single-door container, integrating the fan, lighting, and container power supply into the power distribution box, forming the container's complete power system. At the same time, a cable tray channel is provided on the inner wall of the container for wiring of internal equipment. In use, only an external power supply is needed to meet the container's power needs.

[0118] The second container A2 contains two silos: a primary iron granule silo and a secondary iron concentrate silo. The primary iron granule silo is silo 17, whose top is connected to the primary storage silo in the third container A3. The silo's outlet is connected to a rotary feeder 22 for controlling the discharge. The secondary iron concentrate silo is silo 16, whose top is connected to the secondary storage silo in the third container A3. The outlet of silo 16 is connected to the sixth screw conveyor 8. The third screw conveyor 9 has two inlets and one outlet. The rotary feeder 22's outlet is connected to the first inlet of the third screw conveyor 9, and the sixth screw conveyor 8's outlet is connected to the second inlet of the third screw conveyor 9. The third screw conveyor 9 passes through the container's end wall and connects to the bulk loading machine 37 outside the container. The discharge of primary iron granules and secondary iron concentrate requires separate control. When primary iron granules need to be discharged, the sixth screw conveyor 8 is turned off, and the rotary feeder 22, the third screw conveyor 9, and the bulk feeder 37 are turned on simultaneously to complete the discharge. When secondary iron concentrate needs to be discharged, the rotary feeder 22 is turned off, and the sixth screw conveyor 8, the third screw conveyor 9, and the bulk feeder 37 are turned on simultaneously to complete the discharge.

[0119] The containers A6 (No. 6) and A7 (No. 7) are arranged in a mirror configuration, each with one silo. Both are level 3 iron-rich RO phase silos, i.e., level 3 silos 18. The silo outlets are connected to the twelfth spiral conveyor 15. The twelfth spiral conveyor 15 passes through the end wall of the container and connects to the bulk loading machine 37 outside the container. When level 3 iron-rich RO phase needs to be unloaded, the twelfth spiral conveyor 15 and the bulk loading machine 37 can be started to complete the unloading.

[0120] The primary vibrating screen 20 includes one feed inlet and two discharge outlets. The feed inlet is located on one side of the top of the vibrating screen and is used to receive iron-rich mineral particles 70 discharged from the roller mill 1. It is connected to the second screw conveyor 7 via a first flexible connection 211. The first discharge outlet is located in the middle of the bottom of the vibrating screen and is connected to the first feed inlet of the first dry magnetic separator 23 via a flexible connection and bolts. The second discharge outlet is located at the end of the vibrating screen and is connected to the second feed inlet of the first dry magnetic separator 23 via a fifth chute 202 and a sixth flexible connection 203 via bolts. The secondary vibrating feeder 19 includes one feed inlet and one discharge outlet. The feed inlet is connected to the fifth screw conveyor 5 via the second chute 212, the first chute 214, and the second flexible connection 213, and is used to receive heavy particles 71 rich in iron particles separated from the multi-stage particle separator 2. The feed outlet is connected to the feed inlet of the second dry magnetic separator 24 via the third flexible connection 217. The three-stage vibrating feeder 21 includes one feed inlet and one feed outlet. The feed inlet is connected to the ninth screw conveyor 12 via the fourth flexible connection 218, and is used to receive light particles 72 rich in iron concentrate separated from the multi-stage particle separator 2. The feed outlet is connected to the feed inlet of the third dry magnetic separator 25 via the fifth flexible connection 219.

[0121] The primary vibrating screen 20, secondary vibrating feeder 19, and tertiary vibrating feeder 21 are all bolted to the first checkered plate 132 on the first bottom frame 120 of the container. One set each of the primary vibrating screen 20 and secondary vibrating feeder 19 is installed in container A2 (number two). Two sets of the tertiary vibrating feeder 21 are installed in containers A6 (number six) and A7 (number seven), respectively. The feed inlet of the primary vibrating screen 20 is connected to the second screw conveyor 7 via a first flexible connection 211. The discharge port is connected to the second screw conveyor 7, which is inclined and connected to the first checkered plate 132 on the first bottom frame 120 of container A2 via support frame 216. The inlet of the second screw conveyor 7 is connected to the discharge port of the first A elevator 33. The head of the first A elevator 33, including the drive unit, is located inside container A2, and a lifting point is provided at the lower part of the skirt 140 of container A2 for easy equipment installation and maintenance. The lifting point is connected to the top of the first A elevator 33 via a hoist 142. The inlet of the secondary vibrating feeder 19 is connected to the fifth screw conveyor 5 via the second chute 212, the first chute 214, and the second flexible connection 213. The chute is inclined and fixed by a detachable diagonal brace 215. One side of the detachable diagonal brace 215 is supported on the side wall of the container. The fifth screw conveyor 5 is located at the top inside container A2 and is inclined, fixed by internal support. The feed inlet of the three-stage vibrating feeder 21 is connected to the ninth screw conveyor 12 via the fourth flexible connection 218. The discharge outlet of the ninth screw conveyor 12 adopts an adjustable design and uses a motor-driven method to control the discharge flow rate of the ninth screw conveyor 12 by adjusting the opening and closing angle of the discharge flap, so as to avoid material blockage.

[0122] Iron-rich mineral particles 70 are conveyed by the first screw conveyor 6, discharged through the first A elevator 33, and fed into the second screw conveyor 7 and then into the feed inlet of the first-stage vibrating screen 20. The small particles 50 screened out enter the first dry magnetic separator 23 from the first discharge port, while the large particles 51 screened out enter the first belt conveyor 28 from the second discharge port. The heavy iron-rich particles 71 are conveyed by the fifth screw conveyor 5, and then sequentially pass through the second chute 212 and the first chute 214 into the feed inlet of the second-stage vibrating feeder 19. The crushed small particles 57 enter the second dry magnetic separator 24 from the discharge port. The light particles 72 rich in iron concentrate are evenly distributed by the distributor 26 and then conveyed in two directions. The distributor 26 is located at the end of the container and is connected to the embedded plate of the column of container A6 and container A7 by bolts through the detachable bracket 230. The material is conveyed into the feed port of the third-stage vibrating feeder 21 by the ninth screw conveyor 12. The crushed fine particles 60 enter the third dry magnetic separator 25.

[0123] The modular container storage and dust collection unit includes three special containers: Container A3 (No. 3), Container A8 (No. 8), and Container A9 (No. 9). These three containers are all placed on the third level, above Container A2 (No. 2), Container A6 (No. 6), and Container A7 (No. 7). The upper and lower levels of Container A2 and Container A3, Container A6 and Container A8, and Container A7 and Container A9 are all connected by bolts 110. The outer adjacent containers of Container A8 and Container A9 are also connected by bolts 110. Container A3 and Container A8 are arranged alternately. The two ends of the central aisle are connected and fixed by detachable support beams 505 to increase the overall structural strength of the container. A third-level steel ladder platform 507 is provided in the central aisle as a maintenance passage. Figure 11-13As shown, the bottoms of container A3 and container A8 are connected by a third-level steel ladder platform 507. The sides of container A3 and container A8 are connected by detachable support beams 505 and bolts 110. The tops of container A3 and container A8 are connected by a fourth-level steel ladder platform 508. The third-level steel ladder platform 507 is connected to the second-level steel ladder platform 500 by a third ladder 509. The third-level steel ladder platform 507 is connected to the fourth-level steel ladder platform 508 by a fourth ladder 510. Containers A3 (No. 3), A8 (No. 8), and A9 (No. 9) each include a second bottom frame 150, second uprights 151, a second top frame 152, and a second corrugated sheet 153. The second bottom frame 150 is an open structure, and a second patterned sheet 155 is laid on the second top frame 152. The second bottom frame 150 and the second top frame 152 are connected by four second uprights 151. The front side of the second bottom frame 150 and the front side of the second top frame 152 are connected to two of the second uprights 151. A second corrugated plate 153 is sealed between the rear side of the second bottom frame 150 and the rear side of the second top frame 152 and the two second columns 151. A second corrugated plate 153 is sealed between the left side of the second bottom frame 150 and the left side of the second top frame 152 and the two second columns 151. A second corrugated plate 153 is sealed between the right side of the second bottom frame 150 and the right side of the second top frame 152 and the two second columns 151. The container's ring beams are all constructed of channel steel. Lifting points are located at the four corners of the top. The second upright 151 uses a rectangular tube structure. The second top frame 152 is topped with a second checkered plate 155, and guardrails 160 are installed around the perimeter. The top area serves as a maintenance platform, equipped with a maintenance door 157. A ladder 161 is installed on the inner wall of the container corresponding to the lower opening of the maintenance door 157, facilitating operator access for maintenance. Multiple dust collection ports 158 are also provided on the top of the container for connecting to external dust collectors, facilitating centralized dust collection to obtain steel slag powder 73. The container is bottomless, meaning the lower part of the second bottom frame 150 is open, with a supporting beam 154 in the middle to increase the container's strength. The four side walls are sealed with corrugated plates 153. External dust collectors can be installed on one side of the platform.

[0124] Figure 4 In this context, container A3 is a shared container, which is divided into two enclosed spaces by a partition 156 in the middle of container A3. The partition 156 is connected to the skirt 140 on the top of the lower container A2 by bolts, thus dividing the container into a primary iron pellet storage warehouse and a secondary iron concentrate storage warehouse, referred to as the primary warehouse and the secondary warehouse. Figure 6 , Figure 7In this context, containers A8 (number eight) and A9 (number nine) are classified as Level III iron-rich RO phase storage warehouses. All warehouses are equipped with a feed inlet, inspection port 157, dust collection port 158, and level gauge 159 on their tops. The level gauge 159 is a weighted level gauge, accurately measuring the material level within the warehouse by the length of the lowered steel wire rope. The feed inlet of the Level I iron granule storage warehouse is connected to the discharge port of the First B Elevator 34 via a fourth chute 145. The feed inlet of the Level II iron concentrate storage warehouse is connected to the discharge port of the Second Elevator 35 via another fourth chute 145. The fourth chute 145 is fixed to the top plate of the container (i.e., the second checkered plate 155) through on-site welding. The feed inlet of the Level III iron-rich RO phase storage warehouse is connected to the discharge port of the Eleventh Screw Conveyor 14, and the feed inlet of the Eleventh Screw Conveyor 14 is connected to the discharge port of the Third Elevator 36.

[0125] Each of the three container rows is equipped with a separate elevator channel, through which the elevator can pass. The elevator is installed on-site and sealed at the top. Inside the container, it is fixed to the first bottom frame 120 of the container by supports 164. To prevent wear on the outer shell of the elevator inside the storage warehouse, a protective cover 165 is added to the outside of the elevator channel and temporarily installed inside the third layer of the container. The bottom of the protective cover is welded to the opening of the silo on-site to ensure the airtightness of the storage warehouse.

[0126] The modularization of the container means that each container is a modular unit, and multiple units stacked in planar or three-dimensional form a modular container that is independent of each other. Electrical and control equipment are installed in the container. All containers are equipment workshops, packaging and transportation containers, and containers used for material storage. This invention has made full considerations in terms of energy saving, environmental protection, transportation, on-site construction and installation, operation and maintenance.

[0127] The assembly sequence at the container factory is as follows:

[0128] Step 101: Assemble containers A1, A2, A3, A4, A5, A6, A7, A8, and A9 respectively.

[0129] Step 102: Hoist the first dry magnetic separator 23 and the second dry magnetic separator 24 into the inside of the top opening of container A1, and connect the first dry magnetic separator 23 and the second dry magnetic separator 24 to the bottom of the inside of container A1 with bolts 110 respectively.

[0130] Step 103: Hoist the secondary vibrating feeder 19, the primary vibrating screen 20, and the second screw conveyor 7 into the inner side of container A2 from the top opening. Connect the secondary vibrating feeder 19 and the primary vibrating screen 20 to the bottom of the inner side of container A2 using bolts 110. Connect the discharge port of the second screw conveyor 7, the first flexible connection 211, and the feed port of the primary vibrating screen 20 to the inner side of container A2 using bolts 110. Insert one end of the fifth screw conveyor 5 into container A2 through the pre-reserved through-hole on the left detachable wall 127A of container A2. Connect the discharge port of the fifth screw conveyor 5, the second chute 212, the second flexible connection 213, the first chute 214, and the feed port of the secondary vibrating feeder 19 to the inner side of container A2 using bolts 110. Connect the second chute 212 to the side wall of container A2 using detachable diagonal braces 215 and bolts 110. One end of the third screw conveyor 9 enters the second container A2 through a pre-reserved through-hole on the right side detachable wall 127B. A rotary feeder 22 and a sixth screw conveyor 8 are hoisted into the second container A2. The rotary feeder 22 is connected to one inlet of the third screw conveyor 9 by bolts 110, and the outlet of the sixth screw conveyor 8 is connected to the other inlet of the third screw conveyor 9 by bolts 110. A secondary silo 16 and a primary silo 17 are hoisted into the second container A2. The top of the secondary silo 16 is connected to the skirt 140 on the top of the second container A2 by bolts 110, and its bottom is connected to the inlet of the sixth screw conveyor 8 by bolts 110. The top of the primary silo 17 is connected to the skirt 140 on the top of the second container A2 by bolts 110, and its bottom is connected to the rotary feeder 22 by bolts 110.

[0131] Step 104: Hoist a third dry magnetic separator 25 inward from the top opening of container A4 and connect it to the bottom inside of container A4 with bolts 110; hoist another third dry magnetic separator 25 inward from the top opening of container A5 and connect it to the bottom inside of container A5 with bolts 110.

[0132] Step 105: Hoist the three-stage vibrating feeder 21 inward from the top opening of container A6, and connect it to the bottom of container A6 with bolts 110. Insert the ninth screw conveyor 12 into container A6 through the reserved through-hole on the left detachable wall 127A. Connect the discharge port of the ninth screw conveyor 12, the fourth flexible connection 218, and the feed port of the three-stage vibrating feeder 21 in sequence with bolts 110. Hoist the three-stage silo 18 inward from the top opening of container A6, and connect the top of the three-stage silo 18 to the top of container A6 with bolts 110. Insert the twelfth screw conveyor 15 into container A6 through the reserved through-hole on the right detachable wall 127B. Connect the feed port of the twelfth screw conveyor 15 to the discharge port of the three-stage silo 18 with bolts 110.

[0133] Step 106: Hoist another three-stage vibrating feeder 21 inward through the top opening of container A7 (No. 7), and connect the three-stage vibrating feeder 21 to the bottom of container A7 (No. 7) with bolts 110. Insert another three-stage vibrating feeder 12 into container A7 (No. 7) through the reserved through-hole on the left detachable wall 127A. The discharge port of the ninth screw conveyor 12 and another fourth flexible connection 218 are connected to the inlet of the three-stage vibrating feeder 21. The material inlets are connected sequentially by bolts 110; another tertiary silo 18 is hoisted inward from the top opening of container A7 and the top of the tertiary silo 18 is connected to the top of container A7 by bolts 110; the twelfth screw conveyor 15 is inserted into container A7 through the reserved through-hole on the right side detachable wall 127B; the inlet of the twelfth screw conveyor 15 is connected to the outlet of the tertiary silo 18 by bolts 110.

[0134] The on-site installation sequence of the containers is as follows:

[0135] Step 201: Hoist containers A1, A4, and A5 onto the platform respectively, and level the container foundations using a level by setting inclined shims 90 at the bottom. Pay attention to controlling the distance between containers A1 and A4, and connect the ends of containers A4 and A5 with bolts 110.

[0136] Step 202: Hoist container A9 onto container A7 (number 7). Connect the top of container A7 (number 7) and the bottom of container A9 (number 9) with bolts 110 to form assembly 1. Fiberglass sealing tape and sealant should be applied between container A7 (number 7) and container A9 (number 9).

[0137] Step 203: Hoist container A8 onto container A6. Connect the top of container A6 to the bottom of container A8 with bolts 110 to form assembly two. Fiberglass sealing tape and sealant should be applied between container A6 and container A8.

[0138] Step 204: On the upper part of container A5, hoist the assembly as a whole and connect the top of container A5 to the bottom of container A7 using bolts 110.

[0139] Step 205: Hoist the assembly 2 on the upper part of container A4 of container 4. Connect the top of container A4 of container 4 to the bottom of container A6 of container 6 with bolts 110. Connect the ends of container A6 of container 6 to container A7 of container 7 with bolts 110. Connect the ends of container A8 of container 8 to container A9 of container 9 with bolts 110.

[0140] Step 206: Hoist container A2 onto container A1, connecting the top of container A1 to the bottom of container A2 with bolts 110; embed the anchor bolts of the base section of the first A hoist 33 into the concrete foundation; hoist the middle section of the first A hoist 33 into the reserved passage between container A2 and container A1, connecting the bottom of the middle section to the base section with bolts 110; hoist the top drive section of the first A hoist 33 into container A2, connecting the top of the top drive section to the top of the middle section with bolts 110; and connect the top of the top drive section of the first A hoist 33 to the top of the middle section with bolts 110. The hoist 142 is connected to the lifting point on the top of container A2. Multiple supports 164 are welded to the middle section of the first A hoist 33 to support the bottom of container A1 and container A2. The inlet of the first A hoist 33 is connected to the outlet of the first screw conveyor 6 by bolts 110, and the outlet of the first A hoist 33 is connected to the inlet of the second screw conveyor 7 by bolts 110. Container A3 is hoisted onto the top of container A2. The top of container A2 and the bottom of container A3 are connected by bolts 110. Fiberglass sealing tape and sealant need to be installed between container A2 and container A3.

[0141] Step 207: Embed the anchor bolts of the base section of the first B elevator 34 into the concrete foundation. Hoist the intermediate section of the first B elevator 34 into the reserved passages of container A3, container A2, and container A1, as well as into the hopper opening of the primary hopper 17. Connect the bottom of the intermediate section of the first B elevator 34 to the base section of the first B elevator 34 with bolts 110. Hoist the protective cover 165 to the outside of the intermediate section of the first B elevator 34. Weld the protective cover 165 to the hopper opening of the primary hopper 17. Connect the top drive section of the first B elevator 34 to the intermediate section of the first B elevator 34 with bolts 110. Weld a sealing plate to the top drive section of the first B elevator 34. The flange on the top of the sealing plate and protective cover 165 is connected to the opening on the top of container A3 of container A3 by bolts 110; multiple supports 164 for supporting the bottom of container A1 and container A2 of container B are welded on the intermediate section of the first B elevator 34; the feed inlet of the first B elevator 34, the seventh chute 204 and the iron particle discharge outlet of the first dry magnetic separator 23 are connected in sequence by bolts 110; the discharge outlet of the first B elevator 34 is connected to a fourth chute 145 by bolts 110; the fourth chute 145 passes through the top opening of container A3 of container A3 to the primary storage of container A3 of container A3; the fourth chute 145 is welded and fixed to the top feed inlet of container A3 of container A3.

[0142] Step 208: Embed the anchor bolts of the base section of the second hoist 35 into the concrete foundation. Hoist the intermediate section of the second hoist 35 into the reserved passages of containers A3, A2, and A1, as well as the hopper opening of the primary hopper 16. Connect the bottom of the intermediate section of the second hoist 35 to the base section of the second hoist 35 with bolts 110. Hoist the protective cover 165 to the outside of the intermediate section of the second hoist 35. Weld the protective cover 165 to the hopper opening of the primary hopper 16. Connect the top drive section of the second hoist 35 to the intermediate section of the second hoist 35 with bolts 110. Weld a sealing plate to the top drive section of the second hoist 35. The flange on the top of the plate and protective cover 165 is connected to the opening on the top of container A3 of container A3 by bolts 110; multiple supports 164 for supporting the bottom of container A1 and container A2 of container A1 are welded on the intermediate section of the second elevator 35; the feed inlet of the second elevator 35, the eighth chute 205, and the iron concentrate discharge outlet of the second dry magnetic separator 24 are connected in sequence by bolts 110; the discharge outlet of the second elevator 35 is connected to another fourth chute 145 by bolts 110; the fourth chute 145 passes through the top opening of container A3 of container A3 to the secondary storage of container A3 of container A3; the fourth chute 145 is welded and fixed to the top feed inlet of container A3 of container A3.

[0143] Step 209: Embed the anchor bolts of the base section of the third hoist 36 into the concrete foundation. Hoist the intermediate section of the third hoist 36 into the reserved passages of container A8 (No. 8), container A6 (No. 6), the third-level silo 18, and container A4 (No. 4). Connect the bottom of the intermediate section of the third hoist 36 to the base section of the third hoist 36 with bolts 110. Hoist the protective cover 165 to the outside of the intermediate section of the third hoist 36. Weld the protective cover 165 to the opening of the third-level silo 18. Connect the top drive section of the third hoist 36 to the intermediate section of the third hoist 36 with bolts 110. Weld a sealing plate to the top drive section of the third hoist 36. The sealing plate and the flange at the top of the protective cover 165 are connected to the No. 8 container. The opening at the top of container A8 is connected by bolts 110; multiple supports 164 are welded onto the intermediate section of the third elevator 36 to support the bottom of container A4 and container A6; the feed inlet of the third elevator 36, the third chute 206, the tenth screw conveyor 13 and the iron-rich RO phase iron concentrate outlet of the third dry magnetic separator 25 are connected in sequence by bolts 110, and the tenth screw conveyor 13 is connected to the outer bottom of container A4 by bolts 110; the outlet of the third elevator 36 is connected to the feed inlet of an eleventh screw conveyor 14 by bolts 110, and the outlet of the eleventh screw conveyor 14 is connected to the top feed inlet of container A8 by bolts 110;

[0144] Step 210: Embed the anchor bolts of the base section of the third hoist 36 into the concrete foundation. Hoist the intermediate section of the third hoist 36 into the reserved passageways of container A9 (number 9), container A7 (number 7), tertiary silo 18, and container A5 (number 5). Connect the bottom of the intermediate section of the third hoist 36 to the base section of the third hoist 36 with bolts 110. Hoist the protective cover 165 to the outside of the intermediate section of the third hoist 36. Weld the protective cover 165 to the opening of the tertiary silo 18. Connect the top drive section of the third hoist 36 to the intermediate section of the third hoist 36 with bolts 110. Weld a sealing plate to the top drive section of the third hoist 36. The sealing plate and the flange at the top of the protective cover 165 are connected to the top of container A9 (number 9). The opening of the part is connected by bolts 110; multiple supports 164 for supporting the bottom of container A7 and container A5 are welded on the middle section of the third elevator 36; the feed inlet of the third elevator 36, another third chute 206, another tenth screw conveyor 13 and the iron-rich RO phase iron concentrate outlet of another third dry magnetic separator 25 are connected in sequence by bolts 110, the tenth screw conveyor 13 is connected to the outer bottom of container A5 by bolts 110; the discharge outlet of the third elevator 36 is connected to the feed inlet of another eleventh screw conveyor 14 by bolts 110, the discharge outlet of the eleventh screw conveyor 14 is connected to the top feed inlet of container A9 by bolts 110;

[0145] Step 211: Connect the first-level steel ladder platform 501 to the front side of container A5 using bolts 110, and connect the first-level steel ladder platform 501 to the first ladder 506 using bolts 110; connect the second-level steel ladder platform 500 between container A2 and container A6, on the left side of container A2, on the left side of container A6, and on the left side of container A7 using bolts 110; connect the second ladder 502 between the first-level steel ladder platform 501 and the second-level steel ladder platform 500; connect the bottom of container A3 to container A7... The bottom of A8 is connected to the third-level steel ladder platform 507 by bolts 110. The second-level steel ladder platform 500 and the third-level steel ladder platform 507 are connected to the third-level climbing ladder 509 by bolts 110. The top of container A3 and container A8 are connected to the fourth-level steel ladder platform 508 by bolts 110. The third-level steel ladder platform 507 and the fourth-level steel ladder platform 508 are connected to the fourth-level climbing ladder 510 by bolts 110. The tops of container A3, container A8 and container A9 are connected to guardrails 160 by bolts 110.

[0146] Step 212: Connect the first-stage vibrating screen 20 to the first dry magnetic separator 23 via a flexible connection and bolts 110; connect the second-stage vibrating feeder 19 to the second dry magnetic separator 24 via a flexible connection and bolts 110; and connect the third-stage vibrating feeder 21 to the third dry magnetic separator 25 via a flexible connection and bolts 110.

[0147] The beneficial effects of this invention are:

[0148] According to the present invention, a containerized modular steel tailings dry sorting and processing equipment can realize multiple sorting, multiple extraction, repeated grinding and dissociation, instant sorting and real-time extraction. It can efficiently and thoroughly grind and dissociate minerals, accurately subdivide products, and deeply recover iron minerals to achieve 100% resource utilization. By integrating the screening unit, sorting unit, conveying unit, storage unit and dust collection unit of the steel tailings resource utilization processing system into the container, the equipment is compact, the process is simple, dry production is energy-saving and environmentally friendly. The internal equipment layout of the container is neat, the space utilization rate is high, the technology is mature, the configuration is advanced, the functions are complete, the operation is simple and the degree of automation is high, and the various components of the equipment can work together.

[0149] While meeting user needs, it achieves modular design, manufacturing, and construction of containers. Its unique process system and shortened workflow perfectly realize the concept of a container serving as both an equipment manufacturer and a packaging and transportation container, while saving floor space. It solves the construction needs of equipment placement, transportation packaging, and on-site installation, greatly shortening the on-site construction and installation period. Furthermore, the size of the container can be customized according to production volume, making it more versatile.

[0150] The scope of protection of this invention includes, but is not limited to, the above embodiments. The scope of protection of this invention is defined by the claims. Any substitutions, modifications, or improvements to this technology that are easily conceived by those skilled in the art fall within the scope of protection of this invention.

Claims

1. A container modular steel tailings dry sorting and processing equipment, characterized in that, This includes the platform and multiple containers placed on it; Multiple containers are detachably connected to a primary sorting and conveying unit, a secondary sorting and conveying unit, and a tertiary sorting and conveying unit on their inner or outer sides respectively. The primary sorting and conveying unit includes a primary conveying unit, a first A elevator (33), a primary vibrating screen (20), a first dry magnetic separator (23), a first B elevator (34), and a primary silo (17). The secondary sorting and conveying unit includes a secondary conveying unit, a secondary vibrating feeder (19), a second dry magnetic separator (24), a second elevator (35), and a secondary silo (16). The tertiary sorting and conveying unit includes a tertiary feeding conveying unit, a material distributor (26), and two tertiary sorting and conveying subunits. Each tertiary sorting and conveying subunit includes a tertiary conveying unit, a tertiary vibrating feeder (21), a third dry magnetic separator (25), a third elevator (36), and a tertiary silo (18). In the primary sorting and conveying unit, the feed inlet of the first A elevator (33) is connected to the hot air pipe outlet of the roller mill (1) through the primary conveying unit. The outlet of the first A elevator (33) is connected to the feed inlet of the primary vibrating screen (20). The small particle outlet of the primary vibrating screen (20) is connected to the feed inlet of the first dry magnetic separator (23). The iron particle outlet of the first dry magnetic separator (23) is connected to the feed inlet of the first B elevator (34). The outlet of the first B elevator (34) is connected to the primary silo (17). The large particle outlet of the primary vibrating screen (20) and the remaining mineral particle outlet of the first dry magnetic separator (23) are simultaneously connected to the feed inlet of the roller mill (1) through an external quantitative feeder and an external conveyor. The upper part of the roller mill (1) is also connected to a multi-stage particle separator (2). The multi-stage particle separator (2) includes a first discharge port for separating heavy particles (71) rich in iron, a second discharge port for separating light particles (72) rich in iron concentrate, and a third discharge port for separating steel slag powder (73). The multi-stage particle separator (2) is used to receive the light material discharged after being ground, disintegrated and separated by the roller mill (1). The ground light material rises into the multi-stage particle separator (2) under the action of wind. The light material can be separated into heavy particles (71) rich in iron, light particles (72) rich in iron concentrate and steel slag powder (73) according to the weight. In the secondary sorting and conveying unit, the feed inlet of the secondary vibrating feeder (19) is connected to the first discharge outlet of the multi-stage particle separator (2) through the secondary conveying unit, the discharge outlet of the secondary vibrating feeder (19) is connected to the feed inlet of the second dry magnetic separator (24), the iron concentrate discharge outlet of the second dry magnetic separator (24) is connected to the feed inlet of the second elevator (35), the discharge outlet of the second elevator (35) is connected to the secondary silo (16), and the remaining mineral particle discharge outlets of the second dry magnetic separator (24) are connected to the feed inlet of the roller mill (1) through an external quantitative feeder and an external conveyor. In the three-stage sorting and conveying unit, the feed inlet of the feeder (26) is connected to the second discharge port of the multi-stage particle separator (2) through the three-stage feeding and conveying unit. The two discharge ports of the feeder (26) are respectively connected to the three-stage conveying units in the two three-stage sorting and conveying sub-units. In each three-stage sorting and conveying sub-unit, the three-stage conveying unit is connected to the feed inlet of the three-stage vibrating feeder (21). The discharge port of the three-stage vibrating feeder (21) is connected to the feed inlet of the third dry magnetic separator (25). The discharge port of the iron-rich RO phase iron concentrate of the third dry magnetic separator (25) is connected to the feed inlet of the third elevator (36). The discharge port of the third elevator (36) is connected to the three-stage silo (18). The discharge ports of the remaining mineral particles of the third dry magnetic separator (25) are connected to the feed inlet of the roller mill (1) through the external quantitative feeder and the external conveyor.

2. The container modular steel tailings dry sorting and processing equipment according to claim 1, characterized in that, The primary conveying unit includes a first screw conveyor (6), a second screw conveyor (7), and a third screw conveyor (9). The feed inlet of the first A elevator (33) is connected to the hot air pipe outlet of the roller mill (1) through the first screw conveyor (6). The discharge outlet of the first A elevator (33) is connected to the feed inlet of the primary vibrating screen (20) through the second screw conveyor (7) and the first flexible connection (211). The discharge outlet of the primary silo (17) is connected to the third screw conveyor (9) through the rotary feeder (22). The third screw conveyor (9) is connected to the bulk loader (37). The secondary conveying unit includes a fifth screw conveyor (5) and a sixth screw conveyor (8). The feed inlet of the secondary vibrating feeder (19) is connected to the first discharge port of the multi-stage particle separator (2) in sequence through the first chute (214), the second flexible connection (213), the second chute (212) and the fifth screw conveyor (5). The discharge port of the secondary vibrating feeder (19) is connected to the feed inlet of the second dry magnetic separator (24) through the third flexible connection (217). The discharge port of the secondary silo (16) is connected to the third screw conveyor (9) through the sixth screw conveyor (8). The three-stage feeding and conveying unit includes an eighth spiral conveyor (11). Each three-stage sorting and conveying subunit includes a ninth spiral conveyor (12), a tenth spiral conveyor (13), an eleventh spiral conveyor (14), and a twelfth spiral conveyor (15). The feed inlet of the feeder (26) is connected to the second discharge outlet of the multi-stage particle sorter (2) through the eighth spiral conveyor (11). The two discharge outlets of the feeder (26) are respectively connected to the ninth spiral conveyor (12) in the two three-stage sorting and conveying subunits. In each three-stage sorting and conveying subunit, the ninth spiral conveyor (12) is connected to the fourth flexible connection (21). 8) Connected to the feed inlet of the three-stage vibrating feeder (21), the discharge outlet of the three-stage vibrating feeder (21) is connected to the feed inlet of the third dry magnetic separator (25) through the fifth flexible connection (219), the discharge outlet of the iron-rich RO phase iron concentrate of the third dry magnetic separator (25) is connected to the feed inlet of the third elevator (36) through the tenth screw conveyor (13) and the third chute (206), the discharge outlet of the third elevator (36) is connected to the three-stage silo (18) through the eleventh screw conveyor (14), the discharge outlet of the three-stage silo (18) is connected to the twelfth screw conveyor (15), and the twelfth screw conveyor (15) is connected to the bulk loader (37).

3. The container modular steel tailings dry sorting and processing equipment according to claim 2, characterized in that, The containers are arranged as follows: three containers on the first layer, three containers on the second layer, and three containers on the third layer. The three containers on the first layer include container number 1 (A1), container number 4 (A4), and container number 5 (A5) located in the same row; the three containers on the second layer include container number 2 (A2), container number 6 (A6), and container number 7 (A7) located in the same row; and the three containers on the third layer include container number 3 (A3), container number 8 (A8), and container number 9 (A9) located in the same row. Among them, container No. 1 (A1), container No. 2 (A2) and container No. 3 (A3) are located in the same column and connected in sequence by detachable fasteners; container No. 4 (A4), container No. 6 (A6) and container No. 8 (A8) are located in the same column and connected in sequence by detachable fasteners; container No. 5 (A5), container No. 7 (A7) and container No. 9 (A9) are located in the same column and connected in sequence by detachable fasteners. Containers A1, A4, and A5 are all placed on the elevated level (100) of the platform. Containers A1 and A4 are arranged alternately, and the interval between Containers A1 and A4 forms the first maintenance passage (101). Single doors (102) facing the first maintenance passage (101) are provided at both ends of one side wall of Container A1 and at both ends of one side wall of Container A4. A single door (102) is provided on the other side wall of Container A5, which is connected to the first level. A steel ladder platform (501) is connected to a first ladder (506). The bottom of the first ladder (506) is flush with the ground. The first steel ladder platform (501) is connected to the second steel ladder platform (500) through a second ladder (502). Container No. 4 (A4) and Container No. 5 (A5) are connected by detachable fasteners. The two adjacent side walls of Container No. 4 (A4) and Container No. 5 (A5) are provided with second maintenance passages (104). Container No. 4 (A4) and Container No. 5 (A5) are connected through the second maintenance passages (104). Containers A2 and A6 are arranged alternately, and their bottoms are connected by a second-level steel ladder platform (500). Single doors (102) are provided at both ends of one side wall of Container A2 and at both ends of one side wall of Container A6. The single doors (102) in Container A2 and Container A6 are arranged facing each other. Container A6 and Container A7 are connected by detachable fasteners. Second maintenance passages (104) are provided at both ends of the two adjacent side walls of Container A6 and Container A7. Container A6 and Container A7 are connected through the second maintenance passages (104). Container 3 (A3) and Container 8 (A8) are arranged alternately. The bottom of Container 3 (A3) and Container 8 (A8) are connected by a third-level steel ladder platform (507). The sides of Container 3 (A3) and Container 8 (A8) are connected by a detachable support beam (505) and detachable fasteners. The top of Container 3 (A3) and Container 8 (A8) are connected by a fourth-level steel ladder platform (508). The third-level steel ladder platform (507) is connected to the second-level steel ladder platform (500) by a third ladder (509). The third-level steel ladder platform (507) is connected to the fourth-level steel ladder platform (508) by a fourth ladder (510). Container 8 (A8) and Container 9 (A9) are connected by detachable fasteners. A partition (156) is installed in the middle of the interior of container No. 3 (A3). The partition (156) divides the interior of container No. 3 (A3) into two enclosed spaces, referred to as the primary storage and the secondary storage. The secondary storage (16) and the primary storage (17) are both located inside container No. 2 (A2). The top of the secondary storage (16) and the top of the primary storage (17) are connected to the top of container No. 2 (A2) by detachable fasteners. The bottom of the secondary storage is connected to the top of the secondary storage (16), and the bottom of the primary storage is connected to the top of the primary storage (17). Two tertiary silos (18) are located inside containers A6 and A7, respectively. The top of one tertiary silo (18) is connected to the top of container A6 by a detachable fastener, and the top of the other tertiary silo (18) is connected to the top of container A7 by a detachable fastener. The bottom of the enclosed space in container A8 is connected to the top of the tertiary silo (18) in container A6, and the bottom of the enclosed space in container A9 is connected to the top of the tertiary silo (18) in container A7. The first A elevator (33) passes through the reserved passage on container A1 and the bottom of container A2 from bottom to top. The feed inlet of the first A elevator (33) is located below the bottom of container A1. The discharge outlet of the first A elevator (33), the second screw conveyor (7), the first flexible connection (211) and the first-stage vibrating screen (20) are all located inside container A2. One end of the fifth screw conveyor (5) extends from the outside to the inside of container A2. The second chute (212), the second flexible connection (213), the first chute (214) and the second-stage vibrating feeder (19) are all located inside container A2. The sixth screw conveyor (8) is located inside container A2. One end of the third screw conveyor (9) extends from the outside to the inside of container A2. The first B elevator (34) passes through the reserved passages on the first container (A1), the second container (A2), and the third container (A3) from bottom to top. The inlet of the first B elevator (34) is located below the bottom of the first container (A1), and the outlet of the first B elevator (34) is located above the top of the third container (A3). The outlet of the first B elevator (34) is connected to a fourth chute (145), and the outlet of the fourth chute (145) passes through the top of the third container (A3) and is connected to the primary storage tank in the third container (A3). The second elevator (35) passes through the reserved channels on the first container (A1), the second container (A2), and the third container (A3) from bottom to top. The inlet of the second elevator (35) is located below the bottom of the first container (A1), and the outlet of the second elevator (35) is located above the top of the third container (A3). The outlet of the second elevator (35) is connected to another fourth chute (145), and the outlet of the fourth chute (145) passes through the top of the third container (A3) and then connects to the secondary storage in the third container (A3). The first dry magnetic separator (23) and the second dry magnetic separator (24) are both located inside container number 1 (A1); The eighth screw conveyor (11) and the material distributor (26) are both located outside containers 6 (A6) and 7 (A7). The material distributor (26) is connected to containers 6 (A6) and 7 (A7) by a detachable bracket (230) and detachable fasteners. In the first three-stage sorting and conveying subunit: the ninth screw conveyor (12) extends from the outside to the inside into container number six (A6); the fourth flexible connector (218) and the third-stage vibrating feeder (21) are located inside container number six (A6); one end of the twelfth screw conveyor (15) extends from the outside to the inside into container number six (A6); the third dry magnetic separator (25) is located inside container number four (A4); the tenth screw conveyor (13) is connected to the bottom of container number four (A4) via a bracket and detachable fasteners; the tenth screw conveyor (13) and the third chute (206) are both located in container number four. Below the bottom of container (A4), the third elevator (36) passes through the reserved channels on container No. 4 (A4), container No. 6 (A6) and container No. 8 (A8) from bottom to top. The inlet of the third elevator (36) is located below the bottom of container No. 4 (A4), and the outlet of the third elevator (36) is located above the top of container No. 8 (A8). The outlet of the eleventh screw conveyor (14) connected to the outlet of the third elevator (36) is connected to the reserved through hole on the top of container No. 8 (A8) and thus communicates with the closed space inside container No. 8 (A8). In the second three-stage sorting and conveying subunit: the ninth screw conveyor (12) extends from the outside to the inside into container number seven (A7); the fourth flexible connection (218) and the third-stage vibrating feeder (21) are located inside container number seven (A7); one end of the twelfth screw conveyor (15) extends from the outside to the inside into container number seven (A7); the third dry magnetic separator (25) is located inside container number five (A5); the tenth screw conveyor (13) is connected to the bottom of container number five (A5) via a bracket and detachable fasteners; the tenth screw conveyor (13) and the third chute (206) are both located in container number five. Below the bottom of container (A5), the third elevator (36) passes through the reserved channels on container 5 (A5), container 7 (A7) and container 9 (A9) from bottom to top. The inlet of the third elevator (36) is located below the bottom of container 5 (A5), and the outlet of the third elevator (36) is located above the top of container 9 (A9). The outlet of the eleventh screw conveyor (14) connected to the outlet of the third elevator (36) is connected to the reserved through hole on the top of container 9 (A9) and thus communicates with the sealed space inside container 9 (A9).

4. The container modular steel tailings dry sorting and processing equipment according to claim 3, characterized in that, The containers No. 1 (A1), No. 4 (A4), No. 5 (A5), No. 2 (A2), No. 6 (A6), and No. 7 (A7) all include a first bottom frame (120), a first column (121), a first top frame (122), a first front corrugated plate (123A), a first rear corrugated plate (123B), a left detachable wall (127A), and a right detachable wall (127B). The first bottom frame (120) and the first top frame (122) are connected by four first columns (121). The front side of the first bottom frame (120), the front side of the first top frame (122), and the two first columns (121) are connected by a first front corrugated plate (123A). The rear side of the first bottom frame (120), the first front corrugated plate (123A), the first rear corrugated plate (123B), the first front corrugated plate (123A), the first rear corrugated plate (123B), the first front corrugated plate (123A), the first rear corrugated plate (123A), the first front corrugated plate (123A), the first rear corrugated plate (123B), the first front corrugated plate (123A), the first rear corrugated plate (123A), the first rear corrugated plate (123B), the first rear corrugated plate (123A ... A first rear corrugated plate (123B) is connected between the rear side of a top frame (122) and the two first columns (121). The left side of the first bottom frame (120), the left side of the first top frame (122), and the two first columns (121) are connected to the left detachable wall (127A) through a door frame (129) and detachable fasteners. The right side of the first bottom frame (120), the right side of the first top frame (122), and the two first columns (121) are connected to the right detachable wall (127B) through a door frame (129) and detachable fasteners. A first patterned plate (132) is laid on the first bottom frame (120), and multiple clearance holes for other structures to pass through are opened on the first patterned plate (132). The first top frame (122) is an open structure. In container A1: there is a gap between the top of the first rear corrugated plate (123B) and the rear side of the first top frame (122), and a glass window (126) and a first louver (125) are connected at this gap; there is a gap between the bottom of the first rear corrugated plate (123B) and the rear side of the first bottom frame (120), and a second louver (124) is connected at this gap; there is a gap between the top of the first front corrugated plate (123A) and the front side of the first top frame (122), and a glass window (126) and a first louver (125) are connected at this gap; the first front corrugated plate (123A) There is a gap between the bottom of the first front corrugated plate (123A) and the front side of the first bottom frame (120), and a second louver (124) is connected to the gap; there is a gap between the left side of the first front corrugated plate (123A) and the first column (121) on the left front side, and a single door (102) is hinged to the gap; there is a gap between the right side of the first front corrugated plate (123A) and the first column (121) on the right front side, and a single door (102) is hinged to the gap; the first dry magnetic separator (23) and the second dry magnetic separator (24) are both connected to the first patterned plate (132) in the first container (A1) by detachable fasteners; In container A2: there is a gap between the bottom of the first rear corrugated plate (123B) and the rear side of the first bottom frame (120), and a second louver (124) is connected to this gap; there is a gap between the bottom of the first front corrugated plate (123A) and the front side of the first bottom frame (120), and a second louver (124) is connected to this gap; there is a gap between the left side of the first front corrugated plate (123A) and the first left front post (121), and a single door (102) is hinged to this gap; there is a gap between the right side of the first front corrugated plate (123A) and the first right front post (121), and a single door (102) is hinged to this gap; a fixed connection is made to the first top frame (122). Skirt (140) for fixed connection with the top of the secondary silo (16), the top of the primary silo (17) and the partition (156); a reserved through-hole for the fifth screw conveyor (5) to pass through is provided on the left detachable wall (127A), and a reserved through-hole for the third screw conveyor (9) to pass through is provided on the right detachable wall (127B); the third screw conveyor (9), the secondary vibrating feeder (19) and the primary vibrating screen (20) are all connected to the first patterned plate (132) in the second container (A2) by detachable fasteners; the second chute (212) connected to the fifth screw conveyor (5) is connected to the second container (A2) by detachable diagonal brace (215) and detachable fasteners; In container A4: there is a gap between the top of the first rear corrugated plate (123B) and the rear side of the first top frame (122), and a glass window (126) and a first louver (125) are connected at this gap; there is a gap between the bottom of the first rear corrugated plate (123B) and the rear side of the first bottom frame (120), and a second louver (124) is connected at this gap; the left side of the first rear corrugated plate (123B) and the first louver on the left rear side... There is a gap between the columns (121) and a single door (102) is hinged in the gap; there is a gap between the right side of the first rear corrugated plate (123B) and the first column (121) on the right rear side and a single door (102) is hinged in the gap; a second maintenance passage (104) is opened on the first front corrugated plate (123A); the third dry magnetic separator (25) is connected to the first patterned plate (132) in container No. 4 (A4) by detachable fasteners; In container A5: there is a gap between the top of the first front corrugated plate (123A) and the front side of the first top frame (122), and a glass window (126) and a first louver (125) are connected in the gap; there is a gap between the bottom of the first front corrugated plate (123A) and the front side of the first bottom frame (120), and a second louver (124) is connected in the gap; there is a gap between the left side of the first front corrugated plate (123A) and the first column (121) on the left front side, and a single door (102) is hinged in the gap; a second maintenance passage (104) is opened on the first rear corrugated plate (123B); a third dry magnetic separator (25) is connected to the first patterned plate (132) in container A5 by detachable fasteners; In container A6: there is a gap between the bottom of the first rear corrugated plate (123B) and the rear side of the first bottom frame (120), and a second louver (124) is connected to this gap; there is a gap between the left side of the first rear corrugated plate (123B) and the first left rear post (121), and a single door (102) is hinged to this gap; there is a gap between the right side of the first rear corrugated plate (123B) and the first right rear post (121), and a door (102) is hinged to this gap. A single door (102); a second maintenance passage (104) is provided on the first front corrugated plate (123A); a reserved through-hole is provided on the left detachable wall (127A) for the ninth screw conveyor (12) to pass through, and a reserved through-hole is provided on the right detachable wall (127B) for the twelfth screw conveyor (15) to pass through; the three-stage vibrating feeder (21) is connected to the first patterned plate (132) in container No. 6 (A6) by detachable fasteners; In container A7: there is a gap between the bottom of the first front corrugated plate (123A) and the front side of the first bottom frame (120), and a second louver (124) is connected to the gap; a second maintenance passage (104) is provided on the first rear corrugated plate (123B); a reserved through-hole for the ninth screw conveyor (12) is provided on the left detachable wall (127A), and a reserved through-hole for the twelfth screw conveyor (15) is provided on the right detachable wall (127B); a three-stage vibrating feeder (21) is connected to the first patterned plate (132) in container A7 by detachable fasteners. A fan (134) is also installed on the first louver (125).

5. The container modular steel tailings dry sorting and processing equipment according to claim 4, characterized in that, The No. 3 container (A3), No. 8 container (A8) and No. 9 container (A9) all include a second bottom frame (150), a second column (151), a second top frame (152) and a second corrugated plate (153); The second bottom frame (150) is an open structure, and a second patterned plate (155) is laid on the second top frame (152); the second bottom frame (150) and the second top frame (152) are connected by four second columns (151), and a second corrugated plate (153) is sealed between the front side of the second bottom frame (150), the front side of the second top frame (152) and the two second columns (151). The rear side of the second bottom frame (150) and the second top frame (152) are sealed with a second corrugated plate (153). A second corrugated plate (153) is sealed between the rear side of the frame (152) and the two second columns (151). A second corrugated plate (153) is sealed between the left side of the second bottom frame (150) and the left side of the second top frame (152) and the two second columns (151). A second corrugated plate (153) is sealed between the right side of the second bottom frame (150) and the right side of the second top frame (152) and the two second columns (151).

6. The container modular steel tailings dry sorting and processing equipment according to claim 3, characterized in that, The external quantitative feeder includes a first quantitative feeder (27) and a second quantitative feeder (30); The first quantitative feeder (27) is connected to the bottom of container A1 via a bracket and detachable fasteners. The large particle outlet of the first vibrating screen (20) is connected to the remaining mineral particle outlet of the first dry magnetic separator (23) via the fifth chute (202), the sixth flexible connection (203) and the sixth chute (201). The remaining mineral particle outlet of the first dry magnetic separator (23) is connected to the feed inlet of the roller mill (1) via the first quantitative feeder (27) and an external conveyor. The remaining mineral particle outlet of the second dry magnetic separator (24) is connected to the feed inlet of the roller mill (1) via the first quantitative feeder (27) and an external conveyor. In the first three-stage sorting and conveying subunit, the remaining mineral particle outlet of the third dry magnetic separator (25) is connected to the feed inlet of the roller mill (1) through a second quantitative feeder (30) and an external conveyor. The second quantitative feeder (30) is connected to the bottom of the fourth container (A4) through a bracket and detachable fasteners. In the second three-stage sorting and conveying subunit, the remaining mineral particle outlet of the third dry magnetic separator (25) is connected to the feed inlet of the roller mill (1) through another second quantitative feeder (30) and an external conveyor. The second quantitative feeder (30) is connected to the bottom of container No. 5 (A5) through a bracket and detachable fasteners.

7. The container modular steel tailings dry sorting and processing equipment according to claim 3, characterized in that: The top of the first A hoist (33) is connected to the top of the second container (A2) via a gourd crane (142); the exterior of the first A hoist (33) is welded with multiple supports (164) for supporting the bottom of the inner side of the first container (A1). The first B elevator (34) is welded with a sealing plate on its exterior. The sealing plate is connected to a protective cover (165) by a detachable fastener. The protective cover (165) passes through the reserved channel on the third container (A3) and the hopper opening on the first-level hopper (17). It is connected to the reserved channel on the top of the third container (A3) by a detachable fastener and welded to the hopper opening on the first-level hopper (17). The first B elevator (34) is welded with multiple supports (164) on its exterior for supporting the bottom inside the first container (A1) and the bottom inside the second container (A2). The second elevator (35) is welded with a sealing plate on the outside. The sealing plate is connected to a protective cover (165) by a detachable fastener. The protective cover (165) passes through the reserved channel on the third container (A3) and the hopper opening on the secondary hopper (16). It is connected to the reserved channel on the top of the third container (A3) by a detachable fastener and welded to the hopper opening on the secondary hopper (16). The second elevator (35) is welded with multiple supports (164) on the outside for supporting the bottom inside the first container (A1) and the bottom inside the second container (A2). A sealing plate is welded to the outside of a third hoist (36), which is connected to a protective cover (165) by a detachable fastener. The protective cover (165) passes through the reserved passage on container A8 and the hopper opening on the tertiary hopper (18) inside container A6, and is connected to the reserved passage on the top of container A8 by a detachable fastener, and is welded to the hopper opening on the tertiary hopper (18). The outside of the third hoist (36) is welded with multiple supports (164) for supporting the bottom inside of container A4 and container A6. Another third hoist (36) has a sealing plate welded to its exterior. The sealing plate is connected to a protective cover (165) by a detachable fastener. The protective cover (165) passes through the reserved passage on container number nine (A9) and the hopper opening on the third-level hopper (18) inside container number seven (A7). It is connected to the reserved passage on the top of container number nine (A9) by a detachable fastener and welded to the hopper opening on the third-level hopper (18). The third hoist (36) has multiple supports (164) welded to its exterior for support on the inner bottom of container number five (A5) and the inner bottom of container number seven (A7).

8. The container modular steel tailings dry sorting and processing equipment according to claim 3, characterized in that, The top of containers A3, A8, and A9 is equipped with a dust collection port (158), a level gauge (159), and an inspection door (157); the dust collection port (158) is connected to a dust collector; the top of containers A3, A8, and A9 is equipped with guardrails (160).

9. The container modular steel tailings dry sorting and processing equipment according to claim 1, characterized in that, The top inlet of the secondary silo (16), the top inlet of the primary silo (17), and the top inlet of the tertiary silo (18) are fixedly connected with steel gratings (139).

10. An assembly method for a container modular steel tailings dry sorting and processing equipment as described in claim 5, characterized in that, This includes factory assembly steps and on-site assembly steps: The factory assembly and transfer process includes: Step 101: Assemble containers A1, A2, A3, A4, A5, A6, A7, A8, and A9 respectively. Step 102: Hoist the first dry magnetic separator (23) and the second dry magnetic separator (24) into the inside from the top opening of container No. 1 (A1), and connect the first dry magnetic separator (23) and the second dry magnetic separator (24) to the bottom inside the container No. 1 (A1) respectively through detachable fasteners. Step 103: Hoist the secondary vibrating feeder (19), primary vibrating screen (20), and second screw conveyor (7) into the inner side of container No. 2 (A2) through the top opening. Connect the secondary vibrating feeder (19) and primary vibrating screen (20) to the bottom of the inner side of container No. 2 (A2) with detachable fasteners. Connect the discharge port of the second screw conveyor (7), the first flexible connection (211), and the feed port of the primary vibrating screen (20) in sequence with detachable fasteners. Connect the fifth screw conveyor... One end of the conveyor (5) enters the second container (A2) through a pre-reserved through-hole on the left side detachable wall (127A). The discharge port of the fifth screw conveyor (5), the second chute (212), the second flexible connection (213), the first chute (214), and the feed port of the secondary vibrating feeder (19) are connected in sequence by detachable fasteners. The second chute (212) is connected to the side wall of the second container (A2) by detachable diagonal brace (215) and detachable fasteners. One end of the third screw conveyor (9) is inserted into the second container (A2) through a pre-reserved through-hole on the right side of the detachable wall (127B). The rotary feeder (22) and the sixth screw conveyor (8) are hoisted into the second container (A2). The rotary feeder (22) is connected to one inlet of the third screw conveyor (9) with a detachable fastener. The outlet of the sixth screw conveyor (8) is connected to the other inlet of the third screw conveyor (9) with a detachable fastener. Component connection; hoist the secondary silo (16) and primary silo (17) into the inside of container A2, connect the top of the secondary silo (16) to the skirt seat (140) on the top of container A2 with detachable fasteners, connect the bottom to the feed inlet of the sixth screw conveyor (8) with detachable fasteners, connect the top of the primary silo (17) to the skirt seat (140) on the top of container A2 with detachable fasteners, and connect the bottom to the rotary feeder (22) with detachable fasteners; Step 104: Hoist a third dry magnetic separator (25) inward from the top opening of container No. 4 (A4) and connect the third dry magnetic separator (25) to the bottom inside of container No. 4 (A4) with detachable fasteners; hoist another third dry magnetic separator (25) inward from the top opening of container No. 5 (A5) and connect the third dry magnetic separator (25) to the bottom inside of container No. 5 (A5) with detachable fasteners; Step 105: Hoist the three-stage vibrating feeder (21) inward through the top opening of container No. 6 (A6), and connect the three-stage vibrating feeder (21) to the bottom of container No. 6 (A6) with detachable fasteners. Insert the ninth screw conveyor (12) into container No. 6 (A6) through the reserved through-hole on the left side detachable wall (127A). The discharge port of the ninth screw conveyor (12), the fourth flexible connection (218) and the feed port of the three-stage vibrating feeder (21) are connected. The three-stage silo (18) is hoisted into the container from the top opening of the container (A6), and the top of the three-stage silo (18) is connected to the top of the container (A6) with detachable fasteners. The twelfth screw conveyor (15) is inserted into the container (A6) through the reserved through-hole on the right side of the detachable wall (127B). The inlet of the twelfth screw conveyor (15) is connected to the outlet of the three-stage silo (18) with detachable fasteners. Step 106: Hoist another three-stage vibrating feeder (21) inward from the top opening of container number 7 (A7), and connect the three-stage vibrating feeder (21) to the bottom of container number 7 (A7) using detachable fasteners. Insert the other three-stage vibrating feeder (21) into container number 7 (A7) through the reserved through-hole on the left side detachable wall (127A). The discharge port of the ninth screw conveyor (12) and another fourth flexible connection (218) are connected to the three-stage vibrating feeder (21). The feed inlets are connected sequentially by detachable fasteners; another tertiary silo (18) is hoisted into the container (A7) from the top opening and the top of the tertiary silo (18) is connected to the top of the container (A7) by detachable fasteners; the twelfth screw conveyor (15) is inserted into the container (A7) from the reserved through-hole on the right side detachable wall (127B); the feed inlet of the twelfth screw conveyor (15) is connected to the discharge outlet of the tertiary silo (18) by detachable fasteners. On-site assembly steps include: Step 201: Hoist containers 1 (A1), 4 (A4), and 5 (A5) onto the platform respectively, level the bottom foundation, and pay attention to controlling the spacing between containers 1 (A1) and 4 (A4). Connect the ends of containers 4 (A4) and 5 (A5) with detachable fasteners. Step 202: Hoist container 9 (A9) onto container 7 (A7), and connect the top of container 7 (A7) and the bottom of container 9 (A9) with detachable fasteners to form assembly 1. Fiberglass sealing tape and sealant should be installed between container 7 (A7) and container 9 (A9). Step 203: Hoist container 8 (A8) onto container 6 (A6), and connect the top of container 6 (A6) and the bottom of container 8 (A8) with detachable fasteners to form assembly two. Fiberglass sealing tape and sealant should be installed between container 6 (A6) and container 8 (A8). Step 204: On the upper part of container 5 (A5), hoist the assembly one and connect the top of container 5 (A5) to the bottom of container 7 (A7) with detachable fasteners. Step 205: Hoist the assembly 2 on the upper part of container 4 (A4), connect the top of container 4 (A4) to the bottom of container 6 (A6) with detachable fasteners, connect the ends of container 6 (A6) and container 7 (A7) with detachable fasteners, and connect the ends of container 8 (A8) and container 9 (A9) with detachable fasteners. Step 206: Hoist container 2 (A2) onto container 1 (A1), connecting the top of container 1 (A1) to the bottom of container 2 (A2) with detachable fasteners; embed the anchor bolts of the base section of the first A hoist (33) into the concrete foundation; hoist the middle section of the first A hoist (33) into the reserved passage between container 2 (A2) and container 1 (A1); connect the bottom of the middle section of the first A hoist (33) to the base section with detachable fasteners; hoist the top drive section of the first A hoist (33) into container 2 (A2); connect the top drive section of the first A hoist (33) to the top of the middle section with detachable fasteners; and hoist the top drive section of the first A hoist (33) into container 2 (A2). (142) Connect to the lifting point on the top of container A2, and weld multiple supports (164) on the middle section of the first A elevator (33) for supporting the bottom of container A1 and container A2; connect the inlet of the first A elevator (33) to the outlet of the first screw conveyor (6) with detachable fasteners, and connect the outlet of the first A elevator (33) to the inlet of the second screw conveyor (7) with detachable fasteners; hoist container A3 on top of container A2, and connect the top of container A2 to the bottom of container A3 with detachable fasteners, wherein fiberglass sealing tape and sealant are required between container A2 and container A3; Step 207: Embed the anchor bolts of the base section of the first B hoist (34) into the concrete foundation. Hoist the middle section of the first B hoist (34) into the reserved passages on container No. 3 (A3), container No. 2 (A2), and container No. 1 (A1) and into the hopper opening on the secondary hopper (17). Connect the bottom of the middle section of the first B hoist (34) to the base section of the first B hoist (34) with detachable fasteners. Hoist the protective cover (165) to the outside of the middle section of the first B hoist (34). Weld the protective cover (165) to the hopper opening of the secondary hopper (17). Connect the top drive section of the first B hoist (34) to the middle section of the first B hoist (34) with detachable fasteners. Weld a sealing plate to the top drive section of the first B hoist (34). The flange on the top of the sealing plate and protective cover (165) is connected to the opening on the top of the third container (A3) by detachable fasteners; multiple supports (164) for supporting the bottom of the first container (A1) and the bottom of the second container (A2) are welded on the middle section of the first B elevator (34); the feed inlet of the first B elevator (34), the seventh chute (204) and the iron particle discharge outlet of the first dry magnetic separator (23) are connected in sequence by detachable fasteners; the discharge outlet of the first B elevator (34) is connected to a fourth chute (145) by detachable fasteners; the fourth chute (145) passes through the top opening of the third container (A3) into the first-level storage of the third container (A3); the fourth chute (145) is welded and fixed to the top opening of the third container (A3); Step 208: Embed the anchor bolts of the base section of the second hoist (35) into the concrete foundation. Hoist the middle section of the second hoist (35) into the reserved passages on container No. 3 (A3), container No. 2 (A2), and container No. 1 (A1), as well as into the hopper opening on the primary hopper (16). Connect the bottom of the middle section of the second hoist (35) to the base section of the second hoist (35) with detachable fasteners. Hoist the protective cover (165) to the outside of the middle section of the second hoist (35). Weld the protective cover (165) to the hopper opening of the primary hopper (16). Connect the top drive section of the second hoist (35) to the middle section of the second hoist (35) with detachable fasteners. Weld a sealing plate to the top drive section of the second hoist (35). The flange at the top of the sealing plate and protective cover (165) is connected to the opening at the top of the third container (A3) by detachable fasteners; multiple supports (164) for supporting the bottom of the first container (A1) and the bottom of the second container (A2) are welded on the middle section of the second elevator (35); the feed port of the second elevator (35), the eighth chute (205), and the iron concentrate discharge port of the second dry magnetic separator (24) are connected in sequence by detachable fasteners; the discharge port of the second elevator (35) is connected to another fourth chute (145) by detachable fasteners; the fourth chute (145) passes through the top opening of the third container (A3) into the secondary storage of the third container (A3); the fourth chute (145) is welded and fixed to the top opening of the third container (A3); Step 209: Embed the anchor bolts of the base section of the third hoist (36) into the concrete foundation. Hoist the intermediate section of the third hoist (36) into the reserved passages on containers A8, A6, and A4, and into the hopper opening on the third-level silo (18). The bottom of the intermediate section of the third hoist (36) is connected to the base section of the third hoist (36) by detachable fasteners. Hoist the protective cover (165) onto the outside of the intermediate section of the third hoist (36). Weld the protective cover (165) to the hopper opening of the third-level silo (18). Connect the top drive section of the third hoist (36) to the intermediate section of the third hoist (36) by detachable fasteners. Weld a sealing plate to the top drive section of the third hoist (36). The sealing plate and the top of the protective cover (165) The flange is connected to the opening at the top of container A8 by detachable fasteners; multiple supports (164) are welded to the middle section of the third elevator (36) for supporting the bottom of container A4 and container A6; the feed inlet of the third elevator (36), the third chute (206), the tenth screw conveyor (13) and the iron-rich RO phase iron concentrate outlet of the third dry magnetic separator (25) are connected in sequence by detachable fasteners, the tenth screw conveyor (13) is connected to the outer bottom of container A4 by detachable fasteners; the outlet of the third elevator (36) is connected to the feed inlet of an eleventh screw conveyor (14) by detachable fasteners, the outlet of the eleventh screw conveyor (14) is connected to the top opening of container A8 by detachable fasteners; Step 210: Embed the anchor bolts of the base section of the third hoist (36) into the concrete foundation. Hoist the intermediate section of the third hoist (36) into the reserved passages on containers A9, A7, and A5, as well as the hopper opening on the third-level silo (18). Connect the bottom of the intermediate section of the third hoist (36) to the base section of the third hoist (36) with detachable fasteners. Hoist the protective cover (165) to the outside of the intermediate section of the third hoist (36). Weld the protective cover (165) to the hopper opening of the third-level silo (18). Connect the top drive section of the third hoist (36) to the intermediate section of the third hoist (36) with detachable fasteners. Weld a sealing plate to the top drive section of the third hoist (36). The sealing plate, the flange on the top of the protective cover (165), and the base section of the third hoist (36) are connected to the base section of the third hoist (36). The opening at the top of container A9 is connected by detachable fasteners; multiple supports (164) are welded to the middle section of the third elevator (36) for supporting the bottom of container A7 and container A5; the feed inlet of the third elevator (36), another third chute (206), another tenth screw conveyor (13) and the iron-rich RO phase iron concentrate outlet of another third dry magnetic separator (25) are connected in sequence by detachable fasteners, the tenth screw conveyor (13) is connected to the outer bottom of container A5 by detachable fasteners; the outlet of the third elevator (36) is connected to the feed inlet of another eleventh screw conveyor (14) by detachable fasteners, the outlet of the eleventh screw conveyor (14) is connected to the top opening of container A9 by detachable fasteners; Step 211: Connect the first-level steel ladder platform (501) to the front of container No. 5 (A5) using detachable fasteners; connect the first-level steel ladder platform (501) to the first ladder (506) using detachable fasteners; connect the second-level steel ladder platform (500) between container No. 2 (A2) and container No. 6 (A6), on the left side of container No. 2 (A2), on the left side of container No. 6 (A6), and on the left side of container No. 7 (A7) using detachable fasteners; connect the second ladder (502) between the first-level steel ladder platform (501) and the second-level steel ladder platform (500) using detachable fasteners; connect the bottom of container No. 3 (A3) to container No. 8 (A5)... The bottom of container A8 is connected to the third-level steel ladder platform (507) by detachable fasteners. The second-level steel ladder platform (500) and the third-level steel ladder platform (507) are connected to the third-level ladder (509) by detachable fasteners. The top of container A3 and the top of container A8 are connected to the fourth-level steel ladder platform (508) by detachable fasteners. The third-level steel ladder platform (507) and the fourth-level steel ladder platform (508) are connected to the fourth-level ladder (510) by detachable fasteners. The tops of container A3, container A8 and container A9 are connected to guardrails (160) by detachable fasteners. Step 212: Connect the first-stage vibrating screen (20) to the first dry magnetic separator (23), the second-stage vibrating feeder (19) to the second dry magnetic separator (24), and the third-stage vibrating feeder (21) to the third dry magnetic separator (25) respectively through flexible connections and detachable fasteners.

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