Efficient magnetic separation device for coal mine

By using a rotary motor to drive a rotating rod in a high-efficiency magnetic separator for coal mines, which in turn drives a spiral blade and an electromagnetic separator drum assembly to generate a magnetic field, the problem of non-magnetic mineral blockage is solved, enabling smooth separation and discharge of materials and adapting to coal minerals of different properties and particle sizes.

CN223732945UActive Publication Date: 2025-12-30SHANXI WANGJIALING COAL IND CO LTD
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Patent Information

Application Number
CN202422687104.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-12-30
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing high-efficiency magnetic separation devices for coal mines are prone to problems such as excessive feed particle size due to high coarse particle content when processing non-magnetic minerals, leading to material accumulation and blockage.

Method used

A high-efficiency magnetic separation device for coal mines was designed. A rotary motor drives a rotating rod to drive a spiral blade, which, combined with an electromagnetic separation drum assembly, generates a magnetic field to achieve the separation and smooth discharge of non-magnetic materials. The magnetic field strength and the rotation speed of the spiral blades can be adjusted to adapt to coal materials with different properties and particle sizes.

Benefits of technology

It effectively prevents non-magnetic materials from clogging the pipeline, ensuring smooth material flow. It has strong flexibility and versatility, adapting to coal and mineral materials of different properties and particle sizes, and avoiding clogging.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal mine efficient magnetic separation device which comprises a coal mine efficient magnetic separation mechanism and a coal mine non-magnetic discharge assembly, the coal mine non-magnetic discharge assembly comprises a non-magnetic discharge slotted hole, and the non-magnetic discharge slotted hole is formed in the lower end of a magnetic separation box body; a non-magnetic discharge pipeline is fixedly mounted on the inner side of the non-magnetic discharge slotted hole, the rotating rod is driven by the rotating motor to rotate, then the spiral blade is driven to rotate in the non-magnetic discharge pipeline, the rotation of the spiral blade pushes non-magnetic materials to move downwards along the pipeline, and finally the non-magnetic materials are discharged from the tail end of the pipeline. The use of the spiral blade is beneficial for preventing non-magnetic materials from being blocked in a pipeline, smooth flowing of the materials is guaranteed, the device can adapt to coal mine materials with different properties and particle sizes by adjusting the magnetic field intensity generated by the electromagnetic separation roller assembly and the rotating speed of the spiral blade, and the device has high flexibility and universality and is suitable for popularization and application. And blockage caused by over-limit accumulation of the feeding granularity of the magnetic separator when the content of non-magnetic mineral coarse grains in the coal mine is relatively high is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field, concretely is a coal mine high -efficient magnetic separation device. BACKGROUND

[0002] Magnetic separation technology is a kind of physical separation technology using the characteristics of magnetic material, through the action of external magnetic field, magnetic material and non-magnetic material are subjected to different forces in the magnetic field, thereby realizing separation. This technology has the advantages of high separation efficiency, simple operation, etc., and is widely used in metal mines, non-metallic mines or coal mines, waste treatment and environmental protection fields.

[0003] The current coal mine high-efficiency magnetic separation device, by the material separated from coal mine through conveying device is sent into the sorting groove, by controlling electromagnetic system to generate magnetic field, magnetic coal mineral is adsorbed on the magnetic pole, while coal mine non-magnetic mineral cannot be adsorbed on the magnetic pole, magnetic mineral and non-magnetic mineral are separated, realize the separation of material, because a large amount of coal mine non-magnetic mineral is discharged from the discharge port, when non-magnetic mineral coarse grain content is high, it is easy to cause the magnetic separator to enter the material size to be out of limit, and the material accumulates to be blocked. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of coal mine high-efficiency magnetic separation devices to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of coal mine high-efficiency magnetic separation device, including coal mine high-efficiency magnetic separation mechanism and coal mine material non-magnetic discharge material component, the coal mine material non-magnetic discharge material component includes: non-magnetic discharge material groove hole, the non-magnetic discharge material groove hole is arranged in the lower end inside of magnetic selection box body, the inboard of non-magnetic discharge material groove hole is fixedly installed with non-magnetic discharge material pipeline, the lower end of non-magnetic discharge material pipeline is connected with support plate by bolt, the upper end of support plate is installed with bearing, the inside of bearing is rotatably connected with rotating rod, the outboard of rotating rod is installed with helical blade, the helical blade is arranged in the inside of non-magnetic discharge material pipeline.

[0006] As a further preferred embodiment of the present technical solution, the upper end of the rotating rod is provided with a rotating motor, and one end of the rotating motor is connected to the cover plate by a bolt.

[0007] As a further preferred embodiment of the present technical solution, the inside of the cover plate is provided with a feed chute, the lower end of the cover plate is provided with a magnetic selection box body, one end of the magnetic selection box body is provided with a servo motor, and one end of the servo motor is provided with a rotating shaft.

[0008] As a further preferred of the technical solution, one end of the rotating shaft is provided with an electromagnetic selection roller assembly, and the electromagnetic selection roller assembly is arranged in the interior of the magnetic selection box.

[0009] As a further preferred of the technical solution, one end of the rotating shaft is provided with an electromagnetic selection roller assembly, and the electromagnetic selection roller assembly is arranged in the interior of the magnetic selection box.

[0010] As a further preferred of the technical solution, one end of the rotating shaft is provided with an electromagnetic selection roller assembly, and the electromagnetic selection roller assembly is arranged in the interior of the magnetic selection box.

[0011] As a further preferred of the technical solution, one end of the rotating shaft is provided with an electromagnetic selection roller assembly, and the electromagnetic selection roller assembly is arranged in the interior of the magnetic selection box.

[0012] The utility model provides a coal mine high -efficient magnetic separation device has the following beneficial effects:

[0013] (1) the utility model discloses a rotating motor drives rotating lever rotation, and then drives helical blade to rotate in the non -magnetic discharge material pipeline, and the rotation of helical blade pushes down the non -magnetic material along the pipeline and finally discharges from the pipeline end, and the use of helical blade helps to prevent the non -magnetic material from being blocked in the pipeline, guarantees the smooth flow of material, and the device can adapt to coal mine material of different properties and granularity by adjusting the magnetic field intensity and the rotating speed of helical blade of electromagnetic selection roller assembly, and has strong flexibility and universality, avoids the easy accumulation of the magnetic separator feeding particle size overrun when the content of the coarse grain of the non -magnetic mineral of coal mine is higher and thus blocks. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0015] Figure 2 It is the schematic diagram of the non -magnetic discharge material slot hole structure of the utility model;

[0016] Figure 3 It is the schematic diagram of the sorting baffle structure of the utility model;

[0017] Figure 4 It is the schematic diagram of the coal mine material non -magnetic discharge material assembly split structure of the utility model;

[0018] Figure 5 It is the schematic diagram of the electromagnetic selection roller assembly and the scraper structure of the utility model;

[0019] In the figure: 100, coal mine high-efficiency magnetic separation mechanism; 101, magnetic separation box body; 102, support leg; 103, servo motor; 104, fixing bolt; 105, cover plate; 106, feeding groove; 107, coal mine material magnetic discharge port; 108, sorting partition plate; 110, rotating shaft; 200, coal mine material non-magnetic discharge assembly; 201, non-magnetic discharge groove hole; 202, chute plate; 203, rotating motor; 204, rotating rod; 205, spiral blade; 206, non-magnetic discharge pipeline; 207, bearing; 208, support plate; 300, telescopic hydraulic cylinder; 301, telescopic guide column; 302, scraper; 400, electromagnetic selection drum assembly. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] The utility model provides technical schemes: as Figures 1-4 shown, in the embodiment, a coal mine high-efficiency magnetic separation device includes coal mine high-efficiency magnetic separation mechanism 100 and coal mine material non-magnetic discharge assembly 200, and the coal mine material non-magnetic discharge assembly 200 includes: non-magnetic discharge groove hole 201, which is arranged in the lower end of the magnetic separation box body 101, the inner side of the non-magnetic discharge groove hole 201 is fixedly installed with a non-magnetic discharge pipeline 206, the lower end of the non-magnetic discharge pipeline 206 is connected with a support plate 208 through bolts, the upper end of the support plate 208 is installed with a bearing 207, the bearing 207 is rotatably connected with a rotating rod 204, the outer side of the rotating rod 204 is installed with a spiral blade 205, the spiral blade 205 is arranged in the non-magnetic discharge pipeline 206, the upper end of the rotating rod 204 is installed with a rotating motor 203, and one end of the rotating motor 203 is connected to the cover plate 105 through bolts.

[0022] As Figures 1-3 , Figure 5 shown, the cover plate 105 is provided with a feeding groove 106 in the inside, the lower end of the cover plate 105 is installed with a magnetic separation box body 101, one end of the magnetic separation box body 101 is installed with a servo motor 103, one end of the servo motor 103 is installed with a rotating shaft 110, one end of the rotating shaft 110 is installed with an electromagnetic selection drum assembly 400, the electromagnetic selection drum assembly 400 is arranged in the inside of the magnetic separation box body 101, the side end of the magnetic separation box body 101 is provided with a coal mine material magnetic discharge port 107, the inner side of the magnetic separation box body 101 is installed with a chute plate 202 at both ends, the chute plate 202 is arranged at both side ends of the non-magnetic discharge pipeline 206, the lower end of the magnetic separation box body 101 is installed with a support leg 102, and the middle end of the inside of the magnetic separation box body 101 is connected and fixed with a sorting partition plate 108 through a fixing bolt 104

[0023] By the coal mineral material to be processed through the cover plate 105 on the feed slot 106 into the magnetic separation box 101, when the servo motor 103 is started, it will drive the rotating shaft 110 rotation, in turn, drive the electromagnetic selection drum assembly 400 together rotation, in the process of rotation, due to the presence of magnetic field, the particles with high magnetic will be attracted to the drum surface and rotate with it; those non-magnetic or weak magnetic material will not be adsorbed, directly from the drum below, further fall in the non-magnetic discharge pipe 206, the effect of chute plate 202 may be to help guide the non-magnetic material along the predetermined direction to the outlet, at the same time, those not attracted by the magnetic field of non-magnetic or weak magnetic mineral particles through the non-magnetic discharge slot hole 201 into the non-magnetic discharge pipe 206, here, the rotating motor 203 drive rotating rod 204 rotation, in turn, drive the spiral blade 205 in the non-magnetic discharge pipe 206 rotation, the rotation of the spiral blade 205 push non-magnetic material along the pipe down, finally from the pipe end discharge, the use of spiral blade 205 helps to prevent the non-magnetic material in the pipe blockage, ensure smooth flow of material, by adjusting the magnetic field strength generated by the electromagnetic selection drum assembly 400 and the rotating speed of the spiral blade 205, the device can adapt to different properties and particle size of coal mine material, has strong flexibility and versatility, avoid the coal mine non-magnetic mineral coarse particle content is high when easy to cause the magnetic separation machine into the material particle size limit accumulation and thus blockage.

[0024] As shown in Figure 1 , Figure 5 The outer side end of the electromagnetic selection drum assembly 400 is in contact with the scraper 302, one end of the scraper 302 is fixedly installed with the telescopic guide column 301, one end of the telescopic guide column 301 is installed with the telescopic hydraulic cylinder 300, the telescopic hydraulic cylinder 300 is connected to one end of the magnetic separation box 101 through the bolt.

[0025] The utility model provides a kind of coal mine high-efficiency magnetic separation device, specific working principle is as follows: the coal mine material to be handled is entered into magnetic selection box body 101 by the feed slot 106 on cover plate 105, when servo motor 103 starts, it will drive rotating shaft 110 rotation, further drive the electromagnetic selection drum assembly 400 connected with it rotation, in the rotating process, due to the existence of magnetic field, particle with higher magnetism is attracted to the drum surface and rotates with it, and those non-magnetic or weak magnetic substance is not adsorbed, directly falls from the drum below, further falls in non-magnetic discharge material pipe 206, the effect of chute plate 202 can be help guide non-magnetic substance to move to the outlet along predetermined direction, simultaneously, those non-magnetic or weak magnetic mineral particles not attracted by magnetic field are entered into non-magnetic discharge material pipe 206 by non-magnetic discharge slot hole 201, here, rotating motor 203 drives rotating rod 204 rotation, further drives helical blade 205 rotation in non-magnetic discharge material pipe 206, the rotation of helical blade 205 promotes non-magnetic material to move downward along pipe, finally discharges from the pipe end, the use of helical blade 205 helps to prevent the blockage of non-magnetic material in pipe, ensure that material flows smoothly, by adjusting the magnetic field intensity generated by electromagnetic selection drum assembly 400 and the rotating speed of helical blade 205, the device can adapt to coal mine material of different properties and granularity, with strong flexibility and universality, avoid that when the content of coarse grain of non-magnetic mineral of coal mine is higher, it is easy to cause the particle size of magnetic separator feeding to be out of limit accumulation and thus be blocked, then move by driving telescopic hydraulic cylinder 300 to drive telescopic guide column 301, further drive scraper 302 to move outside electromagnetic selection drum assembly 400, further separate magnetic material from the outside of electromagnetic selection drum assembly 400.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A coal mine high-efficiency magnetic separation device, comprising a coal mine high-efficiency magnetic separation mechanism (100) and a coal mine non-magnetic material discharge assembly (200), characterized in that: The coal mine non-magnetic discharge assembly (200) comprises a non-magnetic discharge slot hole (201), which is arranged in the lower end of the magnetic separation box body (101), a non-magnetic discharge pipeline (206) is fixedly installed on the inner side of the non-magnetic discharge slot hole (201), a support plate (208) is connected to the lower end of the non-magnetic discharge pipeline (206) through bolts, a bearing (207) is installed on the upper end of the support plate (208), a rotating rod (204) is rotatably connected in the bearing (207), a spiral blade (205) is installed on the outer side of the rotating rod (204), and the spiral blade (205) is arranged in the non-magnetic discharge pipeline (206).

2. The coal mine efficient magnetic separation device according to claim 1, characterized in that: The upper end of the rotating rod (204) is provided with a rotating motor (203), and one end of the rotating motor (203) is connected to the cover plate (105) through bolts.

3. The coal mine high-efficiency magnetic separation device according to claim 2, characterized in that: The cover plate (105) is provided with a feeding groove (106) in the inside, the cover plate (105) is provided with a magnetic separation box body (101) at the lower end, the magnetic separation box body (101) is provided with a servo motor (103) at one end, and the servo motor (103) is provided with a rotating shaft (110) at one end.

4. The coal mine high-efficiency magnetic separation device according to claim 3, characterized in that: The rotating shaft (110) is provided with an electromagnetic selection roller assembly (400) at one end, and the electromagnetic selection roller assembly (400) is arranged in the magnetic separation box body (101).

5. The coal mine high-efficiency magnetic separation device according to claim 4, characterized in that: The magnetic separation box body (101) is provided with a coal mine magnetic discharge port (107) at one side end, and the magnetic separation box body (101) is provided with inclined chute plates (202) at both ends of the inner side.

6. The coal mine high-efficiency magnetic separation device according to claim 5, characterized in that: The inclined chute plates (202) are arranged at both sides of the non-magnetic discharge pipeline (206), the magnetic separation box body (101) is provided with support legs (102) at the lower end, and the magnetic separation box body (101) is connected and fixed by a sorting partition plate (108) through a fixing bolt (104) at the middle end in the inside.

7. The coal mine high-efficiency magnetic separation device according to claim 4, characterized in that: The outer side end of the electromagnetic selection roller assembly (400) is in contact with a scraper (302), one end of the scraper (302) is fixedly installed with a telescopic guide column (301), one end of the telescopic guide column (301) is installed with a telescopic hydraulic cylinder (300), and the telescopic hydraulic cylinder (300) is connected to one end of the magnetic separation box body (101) through bolts.