Belt type iron removing device and electrode paste raw material crushing and iron removing system

Abstract

This application relates to a belt-type iron removal device and an iron removal system after crushing electrode paste raw materials. The device includes a belt-type iron removal machine body, a support frame, and an angle adjustment component. The belt-type iron removal machine body includes a mounting frame, several drive rollers, and a drive motor. A magnet is installed inside the mounting frame. The drive rollers are symmetrically distributed above and below the magnet and rotatably connected to the mounting frame. The drive motor is located on one side of the mounting frame, and its output end is connected to any one of the drive rollers. An iron removal belt is fitted over the drive rollers. The bottom of the magnet is flat. The mounting frame and the support frame are rotatably coupled. The angle adjustment component is located at the top of the support frame and is connected to the mounting frame. The angle adjustment component is used to adjust the deflection angle of the mounting frame, so that the magnetic force of the magnet on the iron-containing impurities in the material pile is gradient-distributed along the direction of material movement. This allows for the sequential adsorption and screening of impurities with higher iron content in the upper layer and small to medium-sized impurities with lower iron content pressed in the lower layer.

Description

Technical Field

[0001] This application belongs to the technical field of electrode paste production equipment, and specifically relates to a belt-type iron removal device and an iron removal system after the electrode paste raw material is crushed. Background Technology

[0002] Residual anodes, as one of the raw materials for electrode paste production, benefit from their high alumina content and low price, which helps reduce production costs and losses. After crushing and impurity removal, residual anodes yield uniformly sized particles, which helps improve the purity and uniformity of the electrode paste. However, the quality of recycled residual anodes varies greatly; even after primary crushing, they still contain a significant amount of iron-containing impurities. This not only easily exacerbates wear on the crusher but also reduces the particle size uniformity of the electrode paste raw material.

[0003] In existing technologies, a conveyor belt is typically installed after crushing to transport the crushed particles, and a belt-type iron separator is installed above the conveyor belt for iron removal. During operation, the belt of the iron separator is parallel to the conveyor belt, and a uniform magnetic field created by magnets is used to attract impurities with high iron content. Simultaneously, the belt separates the adsorbed impurities. However, existing belt-type iron separators and their installation methods have the following problems: To ensure material throughput efficiency, the belt-type iron separator needs to maintain a certain distance from the conveyor belt within its magnetic field range. However, due to the uneven accumulation height of material on the conveyor belt, and the natural phenomenon that small pieces accumulate at the bottom and large pieces at the top due to particle size, the belt-type iron separator is far more effective at removing large iron impurities than small ones. A large number of small iron impurities are easily missed due to material pressure and distance, resulting in poor uniformity of the electrode paste raw materials. Summary of the Invention

[0004] Based on the aforementioned background technical needs, this application provides a belt-type iron removal device to solve the problem in the prior art where the material accumulation height on the conveyor belt is uneven, and the material is affected by the particle size, resulting in small pieces accumulating at the bottom and large pieces accumulating at the top. This causes the belt-type iron removal machine to be far more effective at removing large iron impurities than small iron impurities. A large number of small iron impurities are easily not selected due to material pressure and distance, resulting in poor uniformity of electrode paste raw materials.

[0005] To achieve the above objectives, the technical solution of this application is as follows:

[0006] A belt-driven iron removal device includes a mounting frame, several drive rollers, a drive motor, a bracket, and an angle adjustment assembly. A magnet is disposed within the mounting frame. The drive rollers are symmetrically distributed above and below the magnet and rotatably connected to the mounting frame. The drive motor is located on one side of the mounting frame, and its output end is connected to any one of the drive rollers. An iron removal belt is fitted over the drive rollers. The bottom of the magnet is flat. The mounting frame and the bracket are rotatably coupled. The angle adjustment assembly is located at the top of the bracket and is connected to the mounting frame. The angle adjustment assembly is used to adjust the deflection angle of the mounting frame.

[0007] Preferably, the angle adjustment assembly includes at least one telescopic drive rod, which is distributed on one side of the rotation center of the mounting frame, and one end of the telescopic drive rod is fixedly connected to the bracket, while the other end is rotatably connected to the mounting frame.

[0008] Preferably, the angle adjustment assembly includes at least one pair of telescopic drive rods, which are symmetrically distributed on both sides of the rotation center of the mounting frame. One end of each telescopic drive rod is fixedly connected to the bracket, and the other end is rotatably connected to the mounting frame. The telescopic processes of the pair of telescopic drive rods are opposite.

[0009] Preferably, the belt-type iron removal device further includes several suspension components, which are symmetrically distributed on both sides of the mounting frame, and the two ends of the suspension components are respectively connected to the mounting frame and the bracket by buckles.

[0010] Preferably, the suspension assembly includes a first connecting rod and a second connecting rod, each having a flexible cable at one end and a locking buckle at one end. The ends of the first and second connecting rods away from the flexible cable are rotated and telescopically engaged by threads. The bracket and the mounting frame are each provided with a hanging ring on opposite sides, and the locking buckle is engaged with the hanging ring.

[0011] Preferably, a plurality of correction rollers are rotatably provided on one side of the mounting frame. The correction rollers are distributed at one end of the drive roller and their axial direction is perpendicular to the iron removal belt. The side of the iron removal belt is in rolling contact with the correction rollers.

[0012] Preferably, a buffer assembly is provided between the bottom of the magnet and the iron removal belt, and there are several pairs of buffer assemblies, which are symmetrically distributed between a pair of drive rollers. The iron removal belt is in at least partial rolling contact with the buffer assembly.

[0013] Preferably, the buffer assembly includes a pair of shock-absorbing cylinders and a follower roller. The pair of shock-absorbing cylinders are symmetrically distributed at both ends of the drive roller and one end of the cylinder is rotatably connected to the mounting frame. The two ends of the follower roller are respectively in rolling engagement with the pair of shock-absorbing cylinders, and the inner side of the iron removal belt is in rolling contact with the follower roller.

[0014] This application also discloses an iron removal system after the electrode paste raw material is crushed, including the belt-type iron removal device and a material conveyor belt, the material conveyor belt passing through the support and located below the iron removal belt.

[0015] By adopting the above technical solution, compared with the prior art, this application has at least the following beneficial effects:

[0016] 1. Before the residual anode material pile reaches below the iron removal belt, the angle adjustment component adjusts the angle between the bottom surface of the magnet and the moving direction of the residual anode material pile, so that the magnetic force is distributed in a gradient along the moving direction of the material. During the process of the residual anode material pile passing through the iron removal belt, the large impurity blocks with high iron content covering or piled on the outer layer of the material pile are first attracted to the magnet and then scraped away from the material pile by the scraper on the circulating iron removal belt in a direction away from the moving direction of the material. As the impurities with high iron content are screened out, the small and medium-sized impurity blocks with low iron content pressed by the material in the lower layer are more easily attracted by the magnet and scraped away from the material pile by the scraper on the iron removal belt because the magnetic force gradually increases during the forward movement, and the horizontal component force overcomes part of the resistance and friction of the material pressing down. This avoids the impurities with low iron content or small pieces being difficult to screen out because they are pressed in the lower layer of the material pile.

[0017] Second, as the material continuously passes through the iron removal belt, the angle between the bottom surface of the magnet and the moving direction of the residual anode material pile can be adjusted at any time based on the height of the material pile. The size of the angle is proportional to the height of the material pile, so that the belt-type iron removal device can continuously and efficiently remove iron-containing impurities from the residual anode fragments. Compared with the prior art, it improves the particle size uniformity of the residual anode fragments and reduces the content of small iron-containing impurities. Attached Figure Description

[0018] Figure 1 This is an isometric schematic diagram of the belt-type iron removal device in the embodiment.

[0019] Figure 2 This is a partial structural diagram of the iron removal system after the electrode paste raw material is crushed, as shown in the embodiment.

[0020] Figure 3 The image shown is a partial cross-sectional view AA of the belt-type iron removal device in the embodiment.

[0021] Figure 4This is a partial enlarged view B of the belt-type iron removal device in the embodiment (taken from the attached image). Figure 1 ).

[0022] In the figure: belt-type iron removal device 10, mounting frame 11, hanging ring 111, correction roller 112, auxiliary suspension frame 113, drive roller 12, drive motor 13, magnet 14, iron removal belt 15, scraper 151, bracket 16, angle adjustment assembly 17, telescopic drive rod 171, suspension assembly 18, first connecting rod 181, second connecting rod 182, flexible cable 183, buckle 184, buffer assembly 19, shock absorber 191, follower roller 192, material conveyor belt 20.

[0023] It should be noted that, in order to reduce the length of the accompanying drawings and to show more details of this application, the above-mentioned drawings... Figure 2 With appendix Figure 3 The text includes partial partitions, the purpose of which is to highlight the details of the local structure, rather than to represent the actual appearance of the structure, and does not adversely affect the understanding and description of other structural content in this application. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The technical solutions of this application will be further described below with reference to the accompanying drawings of the embodiments, and this application is not limited to the following specific implementation methods.

[0025] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "inner," "outer," "left," "right," "front," "rear," "top," and "bottom" indicate directions or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the structure or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limitations on this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0026] The following is in conjunction with the appendix Figure 1 To be continued Figure 4 The present application will be further described in detail with reference to specific embodiments.

[0027] This application discloses a belt-type iron removal device 10, including a belt-type iron removal machine body, a support 16, and an angle adjustment component 17. The support 16 is used to fix the belt-type iron removal machine body, suspending it above the material transport line after the residual anode is crushed to screen and remove impurities from the material. The angle adjustment component 17 is used to adjust the angle of attack of the belt-type iron removal machine body relative to the material's movement direction. Specifically, the belt-type iron removal machine body includes a mounting frame 11, several drive rollers 12, and a drive motor 13. The mounting frame 11 is preferably a hollow rectangular frame, with its internal space used to fix magnets 14. The magnets 14 include permanent magnets or electromagnets, and their bottom surface is the adsorption surface closest to the material and is planar. The drive rollers 12 are preferably four, symmetrically distributed above and below the magnets 14, and all are rotatably connected to the mounting frame 11 via bearings. The fixed end of the drive motor 13 is located on one side of the mounting frame 11, and its output shaft is connected to the upper... A transmission connection is established at one end of any one of the drive rollers 12, so that the drive motor 13 can drive the drive roller 12 to rotate. The outer sides of the four drive rollers 12 are fitted with iron removal belts 15, so that the iron removal belts 15 surround the magnet 14. Scrapers 151 are provided on the iron removal belts 15. The mounting frame 11 and the bracket 16 are matched for relative rotation through a rotating shaft or a rotatable connector. The angle adjustment component 17 is set at the top of the bracket 16 and is connected to the mounting frame 11 for transmission. The angle adjustment component 17 is used to drive the mounting frame 11 to deflect relative to the bracket 16, that is, to adjust the iron removal machine body to reach the preset deflection angle.

[0028] When using this device, based on the height of the material pile about to reach below the iron removal belt 15, the deflection angle of the mounting frame 11 relative to the bracket 16 is adjusted in advance by the aforementioned angle adjustment component 17, so that the iron removal belt 15 and the material are at a certain angle of attack. When the material pile passes the iron removal belt 15, the distance between its pile slope and the bottom surface of the magnet 14 gradually decreases. This makes the magnetic force of the magnet 14 on the iron-containing impurity blocks in the material pile gradient along the direction of material movement. In the process of the iron-containing impurities being attracted by the inclined magnet 14, the magnetic force on the impurities has vertical upward and horizontal components. The horizontal component is conducive to the iron-containing impurities buried in the lower layer having the tendency to overcome the downward pressure resistance and frictional resistance of the material and move obliquely upward. From the analysis of the granular material accumulation state, this movement trend makes it easier for the lower layer of iron-containing impurities to be drawn out by the magnet.

[0029] Using the above-mentioned belt-type iron removal device 10 has the following beneficial effects:

[0030] 1. Before the residual anode material pile reaches below the iron removal belt 15, the angle adjustment component 17 adjusts the angle between the bottom surface of the magnet 14 and the moving direction of the residual anode material pile, so that the magnetic force 14 is distributed in a gradient along the moving direction of the material. During the process of the residual anode material pile passing through the iron removal belt 15, the large impurity blocks with high iron content that are covered or piled on the outer layer of the material pile are first attracted to the magnet 14 and then scraped away from the material pile by the scraper 151 on the circulating iron removal belt 15, which is deviating from the direction of material movement. As the material pile moves forward, as the impurities with high iron content are screened out, the small and medium-sized impurity blocks with low iron content that are pressed by the material in the lower layer gradually increase the magnetic force they receive during the forward movement. Under the action of the above-mentioned horizontal component force, they overcome part of the resistance and friction of the material pressing down, and thus are more easily attracted by the magnet 14 and scraped away from the material pile by the scraper 151 of the iron removal belt 15. This avoids the impurities with low iron content or small pieces being difficult to screen out because they are pressed in the lower layer of the material pile.

[0031] Second, during the continuous passage of material through the iron removal belt 15, the angle between the bottom surface of the magnet 14 and the moving direction of the residual anode material pile can be adjusted at any time based on the height of the material pile. The size of the angle is proportional to the height of the material pile, so that the belt-type iron removal device 10 can continuously and efficiently remove iron-containing impurities from the residual anode fragments. Compared with the prior art, it improves the particle size uniformity of the residual anode fragments and reduces the content of small iron-containing impurities.

[0032] Based on the above embodiments, this application also provides further embodiments to improve the belt-type iron removal device 10.

[0033] Preferably, in one embodiment, the angle adjustment device includes at least one telescopic drive rod 171. Specifically, one side of the mounting frame 11 is rotatably connected to the bracket 16 via a pivot and a pull rod (when a pull rod is selected, both ends of the pull rod are hinged to the mounting frame 11 and the bracket 16 respectively). The rotation center of the mounting frame 11 is the rotatable connection point. The telescopic drive rods 171 are evenly distributed at the rotation center of the mounting frame 11, and one end of each rod is fixedly connected to a connecting seat provided on one side of the bracket 16, while the other end is rotatably connected to a hinge ear provided on one side of the mounting frame 11. Preferably, the telescopic drive rods 171 are electric push rods. When the number N of telescopic drive rods 171 equals 1, the telescopic drive rods 171 are connected to the center of the edge of one side of the mounting frame 11 and the center between the two crossbars of the bracket 16. When the number N of telescopic drive rods 171 is greater than 1, the telescopic drive rods 171 are evenly distributed between the two crossbars of the bracket 16 and move synchronously, causing the mounting frame 11 to rotate around the rotation center as a fulcrum, thereby adjusting the magnetic force distribution of the magnet 14 on the iron-containing impurities.

[0034] Furthermore, to ensure that the iron removal belt 15 maintains a safe distance from the top of the bracket 16 during operation and to avoid motion interference between the telescopic drive rod 171 and the iron removal belt 15, an auxiliary suspension frame 113 is fixedly connected to the top of the mounting frame 11. The bracket 16 is composed of two symmetrically arranged door frame-shaped frames, which are connected at their tops by a crossbar. The auxiliary suspension frame 113 is rotatably connected to the crossbar, and both ends of the telescopic drive rod 171 are connected to the crossbar and the auxiliary suspension frame 113, respectively. The auxiliary suspension frame 113 is fixed above the mounting frame 11 by four uprights, and provides an independent operating space for the iron removal belt 15 below it, thereby avoiding motion interference between the telescopic drive rod 171 and the iron removal belt 15 and improving the transmission efficiency of the telescopic drive rod 171.

[0035] In another embodiment, the difference from the above embodiment is that the angle adjustment device includes at least a pair of telescopic drive rods 171, the pair of telescopic drive rods 171 are symmetrically distributed on both sides of the rotation center of the mounting frame 11, one end of the telescopic drive rod 171 is fixedly connected to the crossbar on the bracket 16, and the other end is rotatably connected to both sides of the auxiliary suspension frame 113 on the mounting frame 11, and the telescopic process of the pair of telescopic drive rods 171 is opposite.

[0036] This embodiment helps to improve the angle adjustment range and efficiency, and increase flexibility during the process of adjusting the offset angle of the mounting frame 11. Specifically, the telescopic drive rod 171 located on one side of the mounting frame 11 (attached) Figure 2 The left telescopic drive rod 171 extends vertically downwards, while the other telescopic drive rod 171 (attached) Figure 2 The right-side telescopic drive rod 171 shortens vertically upwards, causing the right side of the mounting frame 11 to deflect upwards, rapidly creating an angle of attack between the surface of the iron removal belt 15 and the incoming material. This embodiment, while improving adjustment efficiency, enables the belt iron removal device to work with a faster conveying speed of residual anode material, thereby improving impurity sorting efficiency.

[0037] Furthermore, to improve the operational safety of the belt-driven iron separator, the aforementioned belt-driven iron separator device 10 also includes a suspension assembly 18. Specifically, the suspension assembly 18 includes connecting components such as cables and chains that enable a flexible connection between the support 16 and the mounting frame 11. The suspension assembly 18 is symmetrically distributed on both sides of the mounting frame 11, and its two ends are detachably connected to the auxiliary suspension frame 113 on the mounting frame 11 and the top of the support 16 via snap-fit ​​connections. After the belt-driven iron separator body is flexibly connected to the support 16, the suspension assembly 18 bears the weight of the belt-driven iron separator body during maintenance or shutdown, reducing the load on the telescopic drive rod 171 and extending its service life.

[0038] In one embodiment, the suspension assembly 18 includes a first connecting rod 181 and a second connecting rod 182. One end of the first connecting rod 181 and the second connecting rod 182 are threaded together for helical expansion and contraction, and the other end is provided with a flexible cable 183, such as a steel cable. One end of the flexible cable 183 is provided with a buckle 184. The bracket 16 and the mounting frame 11 are both provided with hanging rings 111, which are used to snap together with the buckles 184. By rotating the first connecting rod 181 and the second connecting rod 182 to increase or decrease the distance between the belt-type iron remover body and the bracket 16, the shortest distance between the magnet 14 and the material conveying line can be finely controlled beyond the deflection angle adjustable by the angle adjustment assembly 17. This avoids the magnet 14 being too high above the material, resulting in insufficient attraction for iron-containing impurities, or avoids the iron removal belt 15 being too low, causing the scraper 151 to directly contact the residual anode material pile, resulting in screening failure. In addition, in this embodiment, along the material transport direction, the length of the suspension assembly 18 on the front side of the mounting frame 11 is shorter than the length of the suspension assembly 18 on the rear side of the mounting frame 11, so that the belt-type iron remover body can maintain a certain tilt angle without being actively adjusted by the telescopic drive rod 171, so as to actively form a magnetic field with an inclined gradient distribution.

[0039] Furthermore, since the iron removal belt 15 removes iron in an inclined state, in order to prevent the iron removal belt 15 from deviating due to wear or changes in the speed of the drive motor 13 during operation, a number of correction rollers 112 are provided on one side of the mounting frame 11. The correction rollers 112 are distributed at the same end of the drive roller 12 and their axial direction is perpendicular to the iron removal belt 15. The side of the iron removal belt 15 is in rolling contact with the correction rollers 112.

[0040] When using the above-mentioned device, one side of the mounting frame 11 with the correction roller 112 is positioned away from the material. Since the side of the mounting frame 11 that receives the material needs to be tilted upward, the iron removal belt 15 tends to deviate downward along the axis of the drive roller 12. The correction roller 112 can roll with the iron removal belt 15 during the rotation of the iron removal belt 15, preventing the iron removal belt 15 from shifting downward, ensuring that the iron removal belt 15 removes iron-containing impurities in a fixed direction and range, and also ensuring the safety of the belt-type iron removal device 10 during production operations.

[0041] When using the above-mentioned device, during the process of magnet 14 adsorbing iron-containing impurities, high-quality impurities will impact the iron removal belt 15 and cause the inner side of the iron removal belt 15 to approach or contact the bottom of magnet 14. Since the iron removal belt 15 is running at high speed, this impact may cause accelerated wear of the iron removal belt 15 or damage to magnet 14. In order to solve a series of problems caused by this phenomenon, a buffer assembly 19 is provided between magnet 14 and iron removal belt 15. Several pairs of buffer assemblies 19 are distributed between a pair of drive rollers 12 located below magnet 14, and the inner side of iron removal belt 15 is in at least partial rolling contact with the buffer assembly 19. Specifically, the aforementioned buffer assembly 19 includes a pair of shock absorbers 191 and a follower roller 192. The shock absorbers 191 are distributed at both ends of the drive roller 12 and are provided with collars at both ends. A rotating shaft is provided on the side of the mounting frame 11. The collar at one end of the shock absorber 191 is rotatably connected to the rotating shaft through a bearing, and the collar at the other end is rollably engaged with both ends of the follower roller 192 through a bearing. Under the rebound action of the shock absorber 191, the inner side of the iron removal belt 15 is always in rolling contact with the follower roller 192.

[0042] When the magnet 14 adsorbs impurity blocks with high iron content, the impact of the impurity blocks on the iron removal belt 15 can be offset by the compression of the shock absorber 191. The rebound of the shock absorber 191 allows the iron removal belt 15 to continuously screen out iron-containing impurities, ensuring that the inner side of the iron removal belt 15 and the magnet 14 always maintain a safe gap, reducing the wear of the magnet 14 or the iron removal belt 15 caused by the impact, and helping to improve the iron removal efficiency.

[0043] In addition, in order to systematically utilize the above-mentioned belt-type iron removal device 10 to perform iron removal operations on residual anode materials, this application also provides an iron removal system after crushing electrode paste raw materials. The system includes the belt-type iron removal device 10 in the above embodiment and a material conveyor belt 20. The material conveyor belt 20 passes between the two door frame-shaped frames of the support 16 and is located below the iron removal belt 15. One end of the material conveyor belt 20 extends to the outlet of the residual anode crushing device, and the other end extends to the material collection point. When conveying residual anode fragments through the material conveyor belt 20, the angle of the mounting frame 11 is adjusted based on the inclination angle of the material conveyor belt 20 and the height of the material pile, so that the bottom surface of the magnet 14 and the iron removal belt 15 forms a certain angle of attack with the material conveying direction.

[0044] Obviously, the above embodiments of this application are merely examples for clearly illustrating this application, and are not intended to limit the implementation of this application. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A belt-driven iron removal device, comprising a mounting frame, a plurality of drive rollers, and a drive motor, wherein a magnet is disposed within the mounting frame, the plurality of drive rollers are symmetrically distributed above and below the magnet and rotatably connected to the mounting frame, the drive motor is disposed on one side of the mounting frame, and its output end is connected to any one of the drive rollers for transmission, and an iron removal belt is sleeved on the drive rollers, characterized in that, It also includes a bracket and an angle adjustment component. The bottom of the magnet is flat. The mounting frame is rotatably coupled with the bracket. The angle adjustment component is located at the top of the bracket and is connected to the mounting frame. The angle adjustment component is used to adjust the deflection angle of the mounting frame.

2. The belt-type iron removal device as described in claim 1, characterized in that, The angle adjustment assembly includes at least one telescopic drive rod, which is distributed on one side of the rotation center of the mounting frame. One end of the telescopic drive rod is fixedly connected to the bracket, and the other end is rotatably connected to the mounting frame.

3. The belt-type iron removal device as described in claim 1, characterized in that, The angle adjustment assembly includes at least one pair of telescopic drive rods, which are symmetrically distributed on both sides of the rotation center of the mounting frame. One end of each telescopic drive rod is fixedly connected to the bracket, and the other end is rotatably connected to the mounting frame. The telescopic processes of the pair of telescopic drive rods are opposite.

4. The belt-type iron removal device as described in claim 3, characterized in that, It also includes several suspension components, which are symmetrically distributed on both sides of the mounting frame. The two ends of each suspension component are respectively connected to the mounting frame and the bracket by a snap fastener.

5. The belt-type iron removal device as described in claim 4, characterized in that, The suspension assembly includes a first connecting rod and a second connecting rod. One end of the first connecting rod and the second connecting rod is provided with a flexible cable. One end of the flexible cable is connected to a buckle. The ends of the first connecting rod and the second connecting rod away from the flexible cable are rotated and telescopically engaged by threads. The bracket and the mounting frame are provided with hanging rings on opposite sides. The buckle is engaged with the hanging ring.

6. The belt-type iron removal device as described in claim 1, characterized in that, A plurality of correction rollers are rotatably provided on one side of the mounting frame. The correction rollers are distributed at one end of the drive roller and their axial direction is perpendicular to the iron removal belt. The side of the iron removal belt is in rolling contact with the correction rollers.

7. The belt-type iron removal device as described in claim 1, characterized in that, A buffer assembly is provided between the bottom of the magnet and the iron removal belt. There are several pairs of buffer assemblies, and the several pairs of buffer assemblies are symmetrically distributed between a pair of drive rollers. The iron removal belt is in at least partial rolling contact with the buffer assembly.

8. The belt-type iron removal device as described in claim 7, characterized in that, The buffer assembly includes a pair of shock-absorbing cylinders and a follower roller. The pair of shock-absorbing cylinders are symmetrically distributed at both ends of the drive roller and one end of the cylinder is rotatably connected to the mounting frame. The two ends of the follower roller are respectively in rolling engagement with the pair of shock-absorbing cylinders, and the inner side of the iron removal belt is in rolling contact with the follower roller.

9. An iron removal system after crushing electrode paste raw materials, characterized in that, The belt-type iron removal device according to any one of claims 1 to 8 further includes a material conveyor belt passing through the support and located below the iron removal belt.

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