Small movable filling station

Abstract

The utility model discloses a small movable filling station. The container comprises a left-side container and a right-side container, the left-side container is divided into three layers, and the right-side container is divided into one layer; the first layer and the second layer of the left container are equal in height, and the right container is equal to the first layer of the left container in height; the distance between the left container and the right container is equal to the height of the first layer of the left container; a filling industrial pump is arranged in the first layer of the left side container, a double-horizontal-shaft continuous stirrer is arranged in the second layer of the left side container, and a water metering device, a cement metering device and a gravel aggregate metering device are arranged on the third layer of the left side container; electric control equipment is integrated in the right side container; the small movable filling station further comprises a bucket elevator.

Description

Technical Field

[0001] This utility model patent belongs to the field of paste filling, specifically relating to a small mobile filling station. Background Technology

[0002] my country is a major mining country with a large number of mines. However, due to historical reasons and limitations in technology and conditions, many mines have engaged in the practice of mining rich minerals while abandoning poor ones, mining large minerals while abandoning small ones, and mining easy minerals while abandoning difficult ones. This has resulted in a large number of small and difficult mineral bodies remaining underground. In addition, the traditional room and pillar mining method has left behind a large number of high-grade pillars, forming a huge amount of residual mineral resources that are difficult to mine.

[0003] According to surveys, due to limited reserves, many mines face insufficient mining resources, making full use of residual ore resources a top priority. Against this backdrop, the previously overlooked value of residual ore resources is gradually becoming apparent. Currently, many mining companies encounter common problems when recovering and mining high-value residual ore resources: poor occurrence conditions, unsatisfactory occurrence, and extremely unsafe mining. Considering safety and reducing ore yield and loss, backfilling mining is currently a feasible option.

[0004] However, due to the generally small size and scattered distribution of residual ore bodies, the scheme of establishing fixed filling stations on the surface often has a low input-output ratio and complex pipeline laying, making it impractical to a certain extent. Therefore, researching and exploring a safe, economical, and practical filling mining scheme and its supporting equipment suitable for underground residual ore mining has become an important topic in current mining technology research. Utility Model Content

[0005] The present invention aims to overcome the shortcomings of the prior art and provide a small mobile filling station.

[0006] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0007] The small mobile filling station includes a left container (1) and a right container (2). The left container (1) has three layers, and the right container (2) has one layer. The first and second layers of the left container (1) are of equal height, and the height of the right container (2) is equal to the height of the first layer of the left container (1). The distance between the left container (1) and the right container (2) is equal to the height of the first layer of the left container (1). The first layer of the left container (1) is equipped with a filling industrial pump (3), and the second layer of the left container (1) is equipped with a twin-shaft continuous mixer (3). 4) The third layer of the left container (1) is equipped with a water metering device, a cement metering device and a crushed stone aggregate metering device; the right container (2) integrates electrical control equipment; the small mobile filling station also includes a bucket elevator (5), the upper part of the bucket elevator (5) is connected to the crushed stone aggregate metering device, the water metering device, the cement metering device and the crushed stone aggregate metering device are all connected to the feed port of the twin-shaft continuous mixer (4), the discharge port of the twin-shaft continuous mixer (4) is connected to the feed port of the filling industrial pump (3), and the discharge port of the filling industrial pump (3) is connected to the filling area.

[0008] Preferably, the small mobile filling station further includes a pulse dust collector (6), which is connected to the feed inlet of the twin-shaft continuous mixer (4).

[0009] Preferably, the water metering device includes a pipe (7) for connecting to an external water source and an electromagnetic flow meter (8) and an electric regulating valve (9) installed on the pipe (7); the pipe (7) is connected to the feed inlet of the twin-shaft continuous mixer (4).

[0010] Preferably, the cement metering device includes a vertical cement silo (10) and a weighing screw feeder (11) located at the bottom of the vertical cement silo (10); the weighing screw feeder (11) is connected to the feed inlet of the twin-shaft continuous mixer (4).

[0011] Preferably, the crushed stone aggregate metering device includes a crushed stone hopper (12) and a variable frequency speed-regulating quantitative feeder (13) disposed at the bottom of the crushed stone hopper (11); the variable frequency speed-regulating quantitative feeder (13) is connected to the feed inlet of the twin-shaft continuous mixer (4); the upper part of the bucket elevator (5) is connected to the feed inlet of the crushed stone hopper (11).

[0012] Preferably, both the left container (1) and the right container (2) are detachable structures with frames and side panels. The side panels of the first and second layers of the left container (1) can be opened and attached to the frame of the right container (2).

[0013] The present invention will be further described below:

[0014] This utility model, based on the filling station's technological flow and main technical parameters, determines the models and specifications of relevant equipment and arranges them in corresponding containers. The filling industrial pump is located in the pumping layer integrated box, on the first layer to the left of the filling station; the twin-shaft continuous mixer is located in the mixing layer integrated box, on the second layer to the left of the filling station; the water metering device, cement metering device, and crushed stone aggregate metering device are located in the mixing layer integrated box, on the third layer to the left of the filling station; the entire filling station's power distribution system PLC cabinet, incoming line cabinet, outgoing line cabinet, and related electrical components of the control system are arranged in the electrical control room integrated box, on the first layer to the right of the filling station. The purpose is to keep these components away from vibration sources such as the filling industrial pump and the twin-shaft continuous mixer, ensuring the accuracy and service life of the control components and facilitating operator access. The left and right integrated boxes are spaced one integrated box side wall panel apart. Opening the side wall panels of the first and second layers on the left, supporting them on the corresponding brackets of the right integrated box, and installing the side wall panels creates two enclosed spaces used as rest rooms or equipment maintenance rooms. The cement silo is installed on the left side of the pumping layer integrated box, and the bucket elevator is installed at the rear end of the pumping layer integrated box, thus assembling a filling station that can be quickly installed and disassembled.

[0015] This invention focuses on miniaturization, modularization, standardization, and rapid disassembly and relocation. In accordance with relevant road transport laws and regulations, the dimensions of the filling station equipment are ensured to remain within acceptable limits for width, height, and length during transport. To achieve modularity, standardization, and rapid disassembly and relocation, the main systems of the filling station—mixing system, pumping system, material conveying and metering system, and electrical control system—are modularized and installed in four large containers. These four modules are arranged in a specific order according to the filling station's process flow to form a single filling station. After completing the local filling task, the fasteners connecting the containers are removed, and the equipment is lifted and transported to another filling location. Based on the prefabricated equipment, the containers are reassembled to create a new filling station. To ensure sufficient cement storage capacity, the cement silo is relatively high. To facilitate transportation and installation, the cement silo support and cylinder are replaced with bolted connections instead of welding. The cement silo support is bolted to the foundation, while flexible connections are used for the ash inlet pipe, maintenance ladders, etc. The integrated enclosure is designed and manufactured with full consideration of its strength and rigidity, ensuring the overall lifting, transportation, and installation of the equipment inside, saving installation and disassembly time. Simultaneously, measures are taken to isolate vibration between the equipment and the enclosure, and between integrated enclosures themselves, preventing vibration interference. The overall design fully considers the installation load of the equipment within the integrated enclosure, evenly distributing the lifting load and designing appropriate lifting points for easy hoisting. Cable trays and fiber optic connections between indoor equipment and between equipment and the power distribution room facilitate quick and easy assembly and disassembly.

[0016] The working process of the filling station described in this utility model is as follows: Finished crushed stone aggregate is fed by a loader, lifted to the crushed stone hopper by a bucket elevator, and then conveyed to the twin-shaft continuous mixer by a feeder after being quantitatively metered by frequency conversion speed regulation. Thickening water is conveyed to the twin-shaft continuous mixer by gravity flow through a water storage tank under metering control. Cement is transported by bulk powder tanker trucks, and compressed air is blown into the vertical cement silo by the tanker truck's onboard air compressor. After being metered by a flow stabilizing device at the bottom of the silo and a micro-powder scale, it is conveyed to the twin-shaft continuous mixer. A dust collector is installed at the feed inlet to prevent dust overflow. The finished crushed stone aggregate, cement, and thickening water are mixed in the twin-shaft continuous mixer to form a uniform slurry, which is then unloaded into the filling industrial pump and pumped to the filling working face by a pressurized pump.

[0017] This utility model has the following advantages:

[0018] 1. Shorten the construction cycle of filling projects. The detachable mobile filling station retains the characteristics of the continuous filling system, miniaturizing, modularizing, and standardizing the original mature filling system, making it a standard product that can be factory-produced. After the product is finalized, its filling capacity can be customized according to market demand to form a series of products, thereby shortening the design and manufacturing cycle and the delivery cycle. After arriving at the project site, only simple assembly and commissioning are required to start filling production.

[0019] 2. Reduced construction costs for backfilling projects. Backfilling project construction investment mainly includes three parts: process equipment, land acquisition and demolition, and construction of the backfilling station plant and ancillary facilities. However, the construction of a detachable mobile backfilling station primarily involves investment in process equipment. Land acquisition and demolition can be replaced with short-term land leasing, and the construction of the backfilling station and ancillary facilities can be simplified to basic foundation construction and site preparation, thus saving significant construction costs. Furthermore, the upgrading and improvement of key process equipment in the backfilling system, such as backfilling industrial pumps and continuous mixers, greatly enhances product performance and reliability, reducing the use of process equipment (such as standby pumps), thereby significantly reducing investment in process equipment. Preliminary estimates suggest that for the same specifications of backfilling system, investment can be reduced by more than 50%.

[0020] 3. It features rapid mobility and reusability across multiple locations. Construction investment is low, and its applicability is strong. Reliable equipment and instruments ensure filling capacity and quality. Due to its compact overall layout and containerized modular plant, the filling station is easy to construct, install, and transport. It is particularly suitable for backfilling small ore bodies scattered throughout various mines, meeting the market demand for multi-site backfilling in small mines, and has broad application value.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] 1) The filling station can be quickly installed and disassembled, and can be relocated within 20 hours.

[0023] 2) The external dimensions of large equipment and structural components such as mobile containers, cement silos and bucket elevators meet the requirements for road transportation, and do not exceed the width, height and length limits, so as to facilitate the movement and transfer of filling stations.

[0024] 3) Select high-performance and reliable supporting equipment to ensure the safe and reliable operation of the filling system.

[0025] 4) All feeding equipment adopts frequency conversion regulation, and the feeding amount can be easily adjusted within a reasonable frequency range, which is suitable for filling operations under different filling capacities and filling ratios.

[0026] 5) The filling material supply has high metering accuracy, ensuring that the filling body meets the design strength requirements.

[0027] 6) The filling system has a high degree of automation and is simple and convenient to operate.

[0028] 7) Relevant filling data statistics and queries are convenient and quick, facilitating production management. Attached Figure Description

[0029] Figure 1 This is a schematic diagram (side view) of the structure of this utility model.

[0030] Figure 2 This is a schematic diagram of the structure of this utility model (rear view);

[0031] Figure 3 This is a connection diagram of the equipment involved in this utility model.

[0032] In the picture: 1. Left container; 2. Right container; 3. Filling industrial pump; 4. Twin-shaft continuous mixer; 5. Bucket elevator; 6. Pulse dust collector; 7. Pipeline; 8. Flow meter; 9. Electric regulating valve; 10. Vertical cement silo; 11. Weighing screw feeder; 12. Crushed stone hopper; 13. Variable frequency speed regulating quantitative feeder. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example 1

[0034] See Figures 1 to 3The small mobile filling station includes a left container 1 and a right container 2. The left container 1 has three layers, and the right container 2 has one layer. The first and second layers of the left container 1 are of equal height, and the height of the right container 2 is equal to the height of the first layer of the left container 1. The distance between the left container 1 and the right container 2 is equal to the height of the first layer of the left container 1. The first layer of the left container 1 is equipped with a filling industrial pump 3, the second layer of the left container 1 is equipped with a twin-shaft continuous mixer 4, and the third layer of the left container 1 is equipped with a water metering device, a cement metering device, and a crushed stone aggregate metering device. The right container 2 integrates electrical control equipment. The small mobile filling station also includes a bucket elevator 5. The upper part of the bucket elevator 5 is connected to the crushed stone aggregate metering device. The water metering device, cement metering device, and crushed stone aggregate metering device are all connected to the inlet of the twin-shaft continuous mixer 4. The outlet of the twin-shaft continuous mixer 4 is connected to the inlet of the filling industrial pump 3, and the outlet of the filling industrial pump 3 is connected to the filling area.

[0035] The small mobile filling station also includes a pulse dust collector 6, which is connected to the feed inlet of the twin-shaft continuous mixer 4. The water metering device includes a pipe 7 for connecting to an external water source, an electromagnetic flowmeter 8, and an electric regulating valve 9 mounted on the pipe 7; the pipe 7 is connected to the feed inlet of the twin-shaft continuous mixer 4. The cement metering device includes a vertical cement silo 10 and a weighing screw feeder 11 located at the bottom of the vertical cement silo 10; the weighing screw feeder 11 is connected to the feed inlet of the twin-shaft continuous mixer 4. The crushed stone aggregate metering device includes a crushed stone hopper 12 and a variable frequency speed-regulating quantitative feeder 13 located at the bottom of the crushed stone hopper 11; the variable frequency speed-regulating quantitative feeder 13 is connected to the feed inlet of the twin-shaft continuous mixer 4; the upper part of the bucket elevator 5 is connected to the feed inlet of the crushed stone hopper 11. Both the left container 1 and the right container 2 are detachable structures with frames and side panels. The side panels of the first and second layers of the left container 1 can be opened and overlapped onto the frame of the right container 2.

Claims

1. A small mobile filling station, characterized in that, The small mobile filling station includes a left container (1) and a right container (2). The left container (1) has three layers, and the right container (2) has one layer. The first and second layers of the left container (1) are of equal height, and the height of the right container (2) is equal to the height of the first layer of the left container (1). The distance between the left container (1) and the right container (2) is equal to the height of the first layer of the left container (1). The first layer of the left container (1) is equipped with a filling industrial pump (3), and the second layer of the left container (1) is equipped with a twin-shaft continuous mixer (3). 4) The third layer of the left container (1) is equipped with a water metering device, a cement metering device and a crushed stone aggregate metering device; the right container (2) integrates electrical control equipment; the small mobile filling station also includes a bucket elevator (5), the upper part of the bucket elevator (5) is connected to the crushed stone aggregate metering device, the water metering device, the cement metering device and the crushed stone aggregate metering device are all connected to the feed port of the twin-shaft continuous mixer (4), the discharge port of the twin-shaft continuous mixer (4) is connected to the feed port of the filling industrial pump (3), and the discharge port of the filling industrial pump (3) is connected to the filling area.

2. The small mobile filling station as described in claim 1, characterized in that, The small mobile filling station also includes a pulse dust collector (6), which is connected to the feed inlet of the twin-shaft continuous mixer (4).

3. The small mobile filling station as described in claim 1, characterized in that, The water metering device includes a pipe (7) for connecting to an external water source and an electromagnetic flow meter (8) and an electric regulating valve (9) installed on the pipe (7); the pipe (7) is connected to the feed inlet of the twin-shaft continuous mixer (4).

4. The small mobile filling station as described in claim 1, characterized in that, The cement metering device includes a vertical cement silo (10) and a weighing screw feeder (11) located at the bottom of the vertical cement silo (10); the weighing screw feeder (11) is connected to the feed inlet of the twin-shaft continuous mixer (4).

5. The small mobile filling station as described in claim 1, characterized in that, The crushed stone aggregate metering device includes a crushed stone hopper (12) and a variable frequency speed-regulating quantitative feeder (13) set at the bottom of the crushed stone hopper (12); the variable frequency speed-regulating quantitative feeder (13) is connected to the feed inlet of the twin-shaft continuous mixer (4); the upper part of the bucket elevator (5) is connected to the feed inlet of the crushed stone hopper (12).

6. The small mobile filling station as described in claim 1, characterized in that, Both the left container (1) and the right container (2) are detachable structures with frames and side panels. The side panels of the first and second layers of the left container (1) can be opened and attached to the frame of the right container (2).

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