Production method and system of high-titanium pellets

Abstract

The invention relates to the technical field of production of pellets for blast furnace ironmaking, in particular to a production method and system of high-titanium pellets. Comprising a mixing barrel, a conveying frame, a plurality of mounting frames, a plurality of storage barrels, a plurality of weighing and quantifying assemblies and a scraping plate, a discharging pipe is opened by utilizing a first electric control valve, and a conveying pipe is closed by utilizing a second electric control valve, so that raw materials in the storage barrels are conveyed into the quantifying and weighing assemblies; when the quantitative weighing assembly detects that raw materials conveyed into the quantitative weighing assembly reach a preset value, the discharging pipe is closed through the first electric control valve, the conveying pipe is opened through the second electric control valve, the quantified raw materials are conveyed to the conveying belt through the conveying pipe, and when the raw materials are conveyed to the mixing barrel, the multiple raw materials are scraped off from the conveying belt through the scraping plate. By the adoption of the structure, quantification of the multiple raw materials can be automatically completed, and therefore the production efficiency of the high-titanium pellets is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pellet production for blast furnace ironmaking, and in particular to a production method and system for high-titanium pellets. Background Art

[0002] Blast furnace ironmaking requires not only high quality, high yield, low consumption and environmental protection, but also longevity of the blast furnace. Titanium slag furnace protection has long been an important measure for the longevity of the blast furnace. The resources used for titanium slag furnace protection are mostly high-titanium pellets.

[0003] During the production of high-titanium pellets, various raw materials need to be mixed and then transported to the pelletizing disk in the pelletizing bin via a belt. The mixed materials and water are added to the disc pelletizing machine to make green balls. After the green balls are screened, dried, preheated, roasted and cooled, high-efficiency furnace-protecting titanium pellets are obtained, completing the production of high-titanium pellets.

[0004] However, the existing mixing mechanism for high-titanium pellet production has a relatively simple structure and cannot complete the quantitative measurement of multiple raw materials. It is necessary to manually weigh multiple raw materials and add them to the mixing mechanism for mixing, which reduces the production efficiency of high-titanium pellets. Summary of the invention

[0005] The purpose of the present invention is to provide a production method and system for high-titanium pellets, so as to solve the problem that the mixing mechanism used in the production of high-titanium pellets in the prior art has a relatively simple structure and cannot complete the quantification of multiple raw materials. It is necessary to manually weigh multiple raw materials and add them to the mixing mechanism for mixing, which reduces the production efficiency of high-titanium pellets.

[0006] To achieve the above-mentioned purpose, the present invention provides a production system of high-titanium pellets, comprising a mixing barrel, a conveying frame, a plurality of mounting frames, a plurality of storage barrels, a plurality of weighing and quantitative components and a scraper plate, wherein the mixing barrel is provided with a mixing mechanism, the conveying frame is provided on one side of the mixing barrel, a conveyor belt is provided on the conveying frame, a discharge plate is provided at one end of the conveying frame close to the mixing barrel, the scraper plate is provided at one end of the discharge plate close to the conveyor belt, and a plurality of mounting frames are staggeredly provided on both sides of the conveying frame;

[0007] The top of each mounting frame is provided with the storage barrel, the middle of each mounting frame is provided with the weighing and quantitative assembly, the bottom of each storage barrel is provided with a discharge pipe, each discharge pipe is provided with a first electrically-controlled valve, the input end of each weighing and quantitative assembly is located below the discharge pipe, the output end of each weighing and quantitative assembly is provided with a conveying pipe, each conveying pipe is provided with a second electrically-controlled valve, and one end of each conveying pipe away from the corresponding weighing and quantitative assembly is located above the conveyor belt.

[0008] Among them, each of the weighing and quantitative components includes an annular weighing sensor and a quantitative bucket, a mounting plate is provided in the middle of each mounting frame, a through hole is provided in the middle of the mounting plate, the annular weighing sensor is provided on the upper surface of the mounting plate, the annular weighing sensor is provided outside the through hole, the quantitative bucket is placed on the annular weighing sensor, the top of the quantitative bucket is located below the discharge pipe, the bottom of the quantitative bucket passes through the through hole, and the conveying pipe is provided at the bottom of the quantitative bucket.

[0009] Wherein, a placement ring is arranged on the outside of each quantitative bucket, and the placement ring is arranged above the annular weighing sensor.

[0010] Wherein, the mixing mechanism includes a mounting ring, a support arm, a cross arm, a fixed plate and a stirring assembly, the mounting ring is arranged on the outside of the mixing barrel, one end of the support arm is fixedly connected to the mounting ring, the other end of the support arm is provided with the cross arm, the cross arm is perpendicular to the support arm, the end of the cross arm away from the support arm is provided with the fixed plate, the bottom of the fixed plate is provided with the stirring assembly, and the stirring end of the stirring assembly is located inside the mixing barrel.

[0011] Wherein, the stirring assembly includes a driving motor, an output shaft and a stirring blade. The driving motor is installed at the bottom of the mounting plate. The output end of the driving motor is provided with the output shaft, and the stirring blade is provided on the output shaft.

[0012] The high-titanium pellet production system further comprises a plurality of protective covers, and the upper surface of each mounting plate is also provided with the protective cover, and the protective cover is arranged outside the corresponding metering hopper and the discharge pipe.

[0013] Wherein, each of the protective covers is respectively provided with a first fixing ring and a second fixing ring at both ends, the first fixing ring is detachably connected to the upper surface of the mounting plate, and the second fixing ring is detachably connected to the bottom of the top end of the mounting frame.

[0014] The present invention also provides a method for producing high-titanium pellets, which is applied to the production system of high-titanium pellets as described above, and comprises the following steps:

[0015] The discharge pipe is opened by the first electrically controlled valve, and the delivery pipe is closed by the second electrically controlled valve, so that the raw materials in the storage barrel are delivered to the quantitative weighing assembly;

[0016] When the quantitative weighing component detects that the raw material delivered into the quantitative weighing component reaches a preset value, the first electrically controlled valve is used to close the discharge pipe, and the second electrically controlled valve is used to open the delivery pipe;

[0017] The quantitative raw materials are conveyed to the conveyor belt through the conveying pipe. When the various quantitative raw materials on the conveyor belt are conveyed to the mixing barrel, the various raw materials are scraped off from the conveyor belt by the scraper plate, so that the quantitative raw materials are conveyed to the mixing barrel through the unloading plate.

[0018] The mixing mechanism is used to mix a plurality of quantitative raw materials to obtain a mixed material;

[0019] Add the above mixed materials and water into a disc ball making machine to make balls to obtain raw balls;

[0020] After the raw balls are screened, dried, preheated, roasted and cooled, high-efficiency furnace-protecting titanium balls are obtained.

[0021] The present invention provides a production method and system for high-titanium pellets. The first electrically controlled valve is used to open the discharge pipe, and the second electrically controlled valve is used to close the delivery pipe, so that the raw materials in the storage barrel are delivered to the quantitative weighing component. When the quantitative weighing component detects that the raw materials delivered to the quantitative weighing component reaches a preset value, the first electrically controlled valve is used to close the discharge pipe, and the second electrically controlled valve is used to open the delivery pipe. The quantified raw materials are delivered to the conveyor belt through the delivery pipe. When multiple quantified raw materials on the conveyor belt are delivered to the mixing barrel, the scraper plate is used to scrape multiple raw materials off the conveyor belt, so that the quantified raw materials are delivered to the mixing barrel through the discharge plate. The above structure can automatically complete the quantification of multiple raw materials, thereby improving the production efficiency of high-titanium pellets. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic structural diagram of a production system of high-titanium pellets according to a first embodiment of the present invention.

[0024] Figure 2 The present invention provides Figure 1 A magnified view of the local structure at A.

[0025] Figure 3 It is a schematic structural diagram of the mounting frame in the first embodiment of the present invention.

[0026] Figure 4 The present invention provides Figure 3 A schematic diagram of the structure from another perspective.

[0027] Figure 5 2 is a schematic diagram of the structure of the mounting frame in the second embodiment of the present invention.

[0028] Figure 6 The present invention provides a flowchart of the steps of producing a high-titanium pellet ore.

[0029] 101-mixing barrel, 102-conveying rack, 103-mounting rack, 104-storage barrel, 105-scraper plate, 106-annular weighing sensor, 107-quantitative bucket, 108-conveyor belt, 109-discharging plate, 110-discharging pipe, 111-first electric-controlled valve, 112-conveying pipe, 113-second electric-controlled valve, 114-mounting plate, 115-through hole, 116-placing ring, 117-mounting ring, 118-support arm, 119-cross arm, 120-fixed plate, 121-driving motor, 122-output shaft, 123-stirring blade, 124-injection pipe, 125-perspective window, 201-protective cover, 202-first fixed ring, 203-second fixed ring. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] First embodiment:

[0032] See also Figures 1 to 4 ,in Figure 1 is a schematic structural diagram of a production system of high-titanium pellets according to the first embodiment, Figure 2 yes Figure 1 The enlarged view of the local structure at A. Figure 3 is a schematic diagram of the structure of the mounting frame in the first embodiment, Figure 4 yes Figure 3 A schematic diagram of the structure from another perspective.

[0033] The present invention provides a production system of high-titanium pellets, comprising a mixing barrel 101, a conveying frame 102, a plurality of mounting frames 103, a plurality of storage barrels 104, a plurality of weighing and quantitative components and a scraper plate 105, each of the weighing and quantitative components comprising an annular weighing sensor 106 and a quantitative bucket 107.

[0034] According to this specific embodiment, the mixing barrel 101 is provided with a mixing mechanism, the conveying frame 102 is provided on one side of the mixing barrel 101, the conveying frame 102 is provided with a conveyor belt 108, the conveying frame 102 is provided with a discharge plate 109 at one end close to the mixing barrel 101, the discharge plate 109 is provided with a scraper plate 105 at one end close to the conveyor belt 108, and a plurality of mounting frames 103 are staggered on both sides of the conveying frame 102, and the top of each mounting frame 103 is provided with a plurality of mounting frames 103. The ends of the weighing and quantitative components are provided with the storage barrel 104, the middle part of each mounting frame 103 is provided with the weighing and quantitative component, the bottom of each storage barrel 104 is provided with a discharge pipe 110, each discharge pipe 110 is provided with a first electric control valve 111, the input end of each weighing and quantitative component is located below the discharge pipe 110, the output end of each weighing and quantitative component is provided with a delivery pipe 112, each delivery pipe 112 is provided with a second electric control valve 113, and each delivery pipe 112 is provided with a second electric control valve 113. The ends of the tubes 112 away from the corresponding weighing and quantitative components are all located above the conveyor belt 108. The first electrically controlled valve 111 is used to open the discharge pipe 110, and the second electrically controlled valve 113 is used to close the delivery pipe 112, so that the raw materials in the storage barrel 104 are delivered to the quantitative weighing component. When the quantitative weighing component detects that the raw materials delivered to the quantitative weighing component reach a preset value, the first electrically controlled valve 111 is used to close the discharge pipe 110, and the second electrically controlled valve 113 is used to open the delivery pipe 112, and the quantitative raw materials are delivered to the conveyor belt 108 through the delivery pipe 112. When the various quantitative raw materials on the conveyor belt 108 are delivered to the mixing barrel 101, the scraper plate 105 is used to scrape the various raw materials off the conveyor belt 108, so that the quantitative raw materials are delivered to the mixing barrel 101 through the discharge plate 109. The above structure can automatically complete the quantitative determination of multiple raw materials, thereby improving the production efficiency of high-titanium pellets.

[0035] A mounting plate 114 is provided in the middle of each mounting frame 103, a through hole 115 is provided in the middle of the mounting plate 114, the annular weighing sensor 106 is provided on the upper surface of the mounting plate 114, the annular weighing sensor 106 is provided outside the through hole 115, the quantitative bucket 107 is placed on the annular weighing sensor 106, the top of the quantitative bucket 107 is located below the discharge pipe 110, the bottom of the quantitative bucket 107 passes through the through hole 115, and the bottom of the quantitative bucket 107 is provided with the conveying pipe 110. 12. The discharge pipe 110 is opened by the first electrically controlled valve 111, and the delivery pipe 112 is closed by the second electrically controlled valve 113, so that the raw materials in the storage barrel 104 are delivered to the metering bucket 107. When the annular weighing sensor 106 detects that the newly added weight in the metering bucket 107 reaches a preset value, the discharge pipe 110 is closed by the first electrically controlled valve 111, and the delivery pipe 112 is opened by the second electrically controlled valve 113, so that the quantitative raw materials are delivered to the conveyor belt 108 through the delivery pipe 112.

[0036] Secondly, a placement ring 116 is provided on the outside of each of the metering buckets 107 . The placement ring 116 is provided above the annular weighing sensor 106 . The installation of the metering bucket 107 is completed by the provision of the placement ring 116 .

[0037] At the same time, the mixing mechanism includes a mounting ring 117, a support arm 118, a cross arm 119, a fixed plate 120 and a stirring assembly, wherein the stirring assembly includes a driving motor 121, an output shaft 122 and a stirring blade 123. The mounting ring 117 is arranged outside the mixing barrel 101, one end of the support arm 118 is fixedly connected to the mounting ring 117, the other end of the support arm 118 is provided with the cross arm 119, the cross arm 119 is perpendicular to the support arm 118, and the end of the cross arm 119 away from the support arm 118 is provided with the fixed plate 120, the driving motor 121 is installed at the bottom of the fixed plate 120, the output end of the driving motor 121 is provided with the output shaft 122, and the output shaft 122 is provided with the stirring blade 123, the driving motor 121 is started, and the output shaft 122 is driven to rotate, so that the stirring blade 123 is used to mix the multiple quantitative raw materials in the mixing barrel.

[0038] In addition, an injection tube 124 is provided at the top of each storage barrel 104, and a perspective window 125 is provided on the side wall of each storage barrel 104. The remaining amount of raw materials inside the storage barrel 104 can be observed in real time through the perspective window 125. When the raw materials in the storage barrel 104 do not reach the preset value, the raw materials can be added to the interior of the storage barrel 104 through the injection tube 124.

[0039] When using a production system of high-titanium pellets of the present embodiment, the first electrically controlled valve 111 is used to open the discharge pipe 110, and the second electrically controlled valve 113 is used to close the conveying pipe 112, so that the raw materials in the storage barrel 104 are conveyed to the quantitative bucket 107. When the annular weighing sensor 106 detects that the newly added weight in the quantitative bucket 107 reaches a preset value, the first electrically controlled valve 111 is used to close the discharge pipe 110, and the second electrically controlled valve 113 is used to open the conveying pipe 112, so that the quantitative raw materials are conveyed to the conveyor belt 108 through the conveying pipe 112. When the various quantitative raw materials on the conveyor belt 108 are conveyed to the mixing barrel 101, the scraper plate 105 is used to scrape the various raw materials off the conveyor belt 108, so that the quantitative raw materials are conveyed to the mixing barrel 101 through the discharge plate 109. The above structure can automatically complete the quantitative measurement of multiple raw materials, thereby improving the production efficiency of high-titanium pellets.

[0040] Second embodiment:

[0041] Based on the first embodiment, please refer to Figure 5 , Figure 5 Schematic diagram of the structure of the mounting frame in the second embodiment.

[0042] The present invention provides a production system for high-titanium pellets, which also includes a plurality of protective covers 201 .

[0043] According to this specific embodiment, the upper surface of each mounting plate 114 is also provided with the protective cover 201, and the protective cover 201 is arranged on the outside of the corresponding metering bucket 107 and the discharge pipe 110. The metering bucket 107 is protected by the setting of the protective cover 201 to prevent dust in the external environment from entering the interior of the metering bucket 107.

[0044] Among them, each of the protective cover 201 is respectively provided with a first fixing ring 202 and a second fixing ring 203 at both ends, the first fixing ring 202 is detachably connected to the upper surface of the mounting plate 114, and the second fixing ring 203 is detachably connected to the bottom of the top of the mounting frame 103, and the installation of the protective cover 201 is completed by the setting of the first fixing ring 202 and the second fixing ring 203.

[0045] When using a high-titanium pellet production system of this embodiment, the installation of the protective cover 201 is completed by setting the first fixed ring 202 and the second fixed ring 203. The setting of the protective cover 201 protects the metering bucket 107 to prevent dust in the external environment from entering the interior of the metering bucket 107.

[0046] See also Figure 6 The present invention also provides a method for producing high-titanium pellets, which is applied to the production system of high-titanium pellets as described above, and comprises the following steps:

[0047] S1: using the first electrically controlled valve 111 to open the discharge pipe 110, and using the second electrically controlled valve 113 to close the delivery pipe 112, so that the raw materials in the storage barrel 104 are delivered to the quantitative weighing assembly;

[0048] S2: When the quantitative weighing component detects that the raw material transported into the quantitative weighing component reaches a preset value, the first electrically controlled valve 111 is used to close the discharge pipe 110, and the second electrically controlled valve 113 is used to open the transport pipe 112;

[0049] S3: The quantitative raw materials are conveyed to the conveyor belt 108 through the conveying pipe 112. When the various quantitative raw materials on the conveyor belt 108 are conveyed to the mixing barrel 101, the various raw materials are scraped off from the conveyor belt 108 by the scraper plate 105, so that the quantitative raw materials are conveyed to the mixing barrel 101 through the discharge plate 109;

[0050] S4: using the mixing mechanism to mix the multiple quantitative raw materials to obtain a mixed material;

[0051] S5: adding the above mixed materials and water to a disc ball making machine to make balls to obtain raw balls;

[0052] S6: After the raw balls are screened, dried, preheated, roasted and cooled, high-efficiency furnace-protecting titanium pellets are obtained.

[0053] In this embodiment, the first electrically controlled valve 111 is used to open the discharge pipe 110, and the second electrically controlled valve 113 is used to close the delivery pipe 112, so that the raw materials in the storage barrel 104 are delivered to the quantitative bucket 107. When the annular weighing sensor 106 detects that the weight added in the quantitative bucket 107 reaches a preset value, the first electrically controlled valve 111 is used to close the discharge pipe 110, and the second electrically controlled valve 113 is used to open the delivery pipe 112, so that the quantitative raw materials are delivered through the delivery pipe 112. When the various quantitative raw materials on the conveyor belt 108 are transported to the mixing barrel 101, the scraper plate 105 is used to scrape the various raw materials from the conveyor belt 108, so that the quantitative raw materials are transported to the mixing barrel 101 through the unloading plate 109, and the various quantitative raw materials are mixed by the mixing mechanism to obtain a mixture, and the above mixture and water are added to the disc ball making machine to make balls to obtain green balls. After the green balls are screened, dried, preheated, roasted and cooled, high-efficiency furnace-protecting titanium pellets are obtained.

[0054] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A production system for high-titanium pellets, characterized in that: It includes a mixing barrel, a conveying frame, a plurality of mounting frames, a plurality of material storage barrels, a plurality of weighing and quantitative components and a scraper plate. The mixing barrel is provided with a mixing mechanism, the conveying frame is provided on one side of the mixing barrel, a conveyor belt is provided on the conveying frame, a discharge plate is provided at one end of the conveying frame close to the mixing barrel, the scraper plate is provided at one end of the discharge plate close to the conveyor belt, and a plurality of mounting frames are staggeredly provided on both sides of the conveying frame; The top of each mounting frame is provided with the storage barrel, the middle of each mounting frame is provided with the weighing and quantitative assembly, the bottom of each storage barrel is provided with a discharge pipe, each discharge pipe is provided with a first electrically-controlled valve, the input end of each weighing and quantitative assembly is located below the discharge pipe, the output end of each weighing and quantitative assembly is provided with a conveying pipe, each conveying pipe is provided with a second electrically-controlled valve, and one end of each conveying pipe away from the corresponding weighing and quantitative assembly is located above the conveyor belt.

2. The production system of high-titanium pellets according to claim 1, characterized in that: Each of the weighing and quantitative components includes an annular weighing sensor and a quantitative bucket. A mounting plate is provided in the middle of each mounting frame. A through hole is provided in the middle of the mounting plate. The upper surface of the mounting plate is provided with the annular weighing sensor. The annular weighing sensor is provided outside the through hole. The quantitative bucket is placed on the annular weighing sensor. The top of the quantitative bucket is located below the discharge pipe. The bottom of the quantitative bucket passes through the through hole. The conveying pipe is provided at the bottom of the quantitative bucket.

3. The production system of high-titanium pellets according to claim 2, characterized in that: A placing ring is arranged on the outside of each quantitative bucket, and the placing ring is arranged above the annular weighing sensor.

4. The production system of high-titanium pellets according to claim 3, characterized in that: The mixing mechanism includes a mounting ring, a support arm, a cross arm, a fixed plate and a stirring assembly. The mounting ring is arranged on the outside of the mixing barrel, one end of the support arm is fixedly connected to the mounting ring, the other end of the support arm is provided with the cross arm, the cross arm is perpendicular to the support arm, the end of the cross arm away from the support arm is provided with the fixed plate, the bottom of the fixed plate is provided with the stirring assembly, and the stirring end of the stirring assembly is located inside the mixing barrel.

5. The production system of high-titanium pellets according to claim 4, characterized in that: The stirring assembly comprises a driving motor, an output shaft and a stirring blade. The driving motor is mounted at the bottom of the mounting plate. The output end of the driving motor is provided with the output shaft, and the stirring blade is provided on the output shaft.

6. The production system of high-titanium pellets according to claim 5, characterized in that: The production system of high-titanium pellets further comprises a plurality of protective covers. The upper surface of each mounting plate is further provided with the protective cover, and the protective cover is arranged outside the corresponding metering hopper and the discharge pipe.

7. The production system of high-titanium pellets according to claim 6, characterized in that: A first fixing ring and a second fixing ring are respectively provided at both ends of each protective cover, wherein the first fixing ring is detachably connected to the upper surface of the mounting plate, and the second fixing ring is detachably connected to the bottom of the top end of the mounting frame.

8. A method for producing high-titanium pellets, applied to the production system of high-titanium pellets as claimed in claim 1, characterized in that: The steps include: The discharge pipe is opened by the first electrically controlled valve, and the delivery pipe is closed by the second electrically controlled valve, so that the raw materials in the storage barrel are delivered to the quantitative weighing assembly; When the quantitative weighing component detects that the raw material delivered into the quantitative weighing component reaches a preset value, the first electrically controlled valve is used to close the discharge pipe, and the second electrically controlled valve is used to open the delivery pipe; The quantitative raw materials are conveyed to the conveyor belt through the conveying pipe. When the various quantitative raw materials on the conveyor belt are conveyed to the mixing barrel, the various raw materials are scraped off from the conveyor belt by the scraper plate, so that the quantitative raw materials are conveyed to the mixing barrel through the unloading plate. The mixing mechanism is used to mix a plurality of quantitative raw materials to obtain a mixed material; Add the above mixed materials and water into a disc ball making machine to make balls to obtain raw balls; After the raw balls are screened, dried, preheated, roasted and cooled, high-efficiency furnace-protecting titanium balls are obtained.

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