Lithium battery pole piece powder removing equipment

Abstract

The invention discloses lithium battery pole piece powder removing equipment which comprises a pole piece feeding station, a crushing station, a high-temperature soaking station, a drying station and a screening and discharging device, the pole piece feeding station is connected with the crushing station, the output end of the crushing station is connected with a material conveying station, the output end of the material conveying station is connected with the high-temperature soaking station, and the high-temperature soaking station is connected with the drying station. The output end of the drying station is connected with a discharging station, the output end of the discharging station is connected with a screening and discharging device, and a mesh belt conveying mechanism and a soaking area are arranged in the high-temperature soaking station. According to the lithium battery pole piece powder removing equipment, the pole piece is treated by the shredding machine to be small in size, then the pole piece is subjected to high-temperature soaking by the mesh belt equipment, so that the pole piece is changed into a flaky polar material and aluminum foil or copper foil mixture, and then the polar material is subjected to drying treatment by the high-temperature tunnel furnace, so that the polar material is embrittled and is changed into particles; and finally, the granular polar material is separated from the aluminum foil or the copper foil through a vibrating screen.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lithium battery pole piece powder removal processing, in particular to a lithium battery pole piece powder removal equipment. BACKGROUND

[0002] The lithium battery pole piece powder removal equipment is a supporting equipment for disassembling and recycling retired lithium batteries. During the industrialized large-scale disassembling and recycling of retired lithium batteries, the pole pieces after shell disassembly need to be treated for powder removal. The existing lithium battery pole piece powder removal process usually adopts two routes of chemical treatment and crushing and sorting. With the continuous development of science and technology, people's requirements for the manufacturing process of lithium battery pole piece powder removal equipment are also getting higher and higher.

[0003] The existing lithium battery pole piece powder removal equipment has certain disadvantages in use. The two routes of chemical treatment and crushing and sorting do not meet the needs of industrialized large-scale production due to their problems, and there are problems of long recycling process, complex operation, high cost, high difficulty of chemical treatment process operation, long process, high cost and risk of secondary pollution in the process. Crushing and sorting also have problems of long process and high cost, which brings certain adverse effects to the actual use process. Therefore, we propose a lithium battery pole piece powder removal equipment. SUMMARY

[0004] The technical problem solved by the present application is that the present application provides a lithium battery pole piece powder removal equipment. The pole piece is first treated by a shredder to become small in size, then soaked in a high-temperature net belt equipment, so that the pole piece becomes a mixture of sheet-shaped polar material and aluminum foil or copper foil, then dried by a high-temperature tunnel furnace, so that the polar material becomes brittle and becomes granular, and finally separated from the aluminum foil or copper foil by a vibrating screen, so that the recycling process is short, the operation is simple, the recycling purity is high, and the problems in the background art can be effectively solved.

[0005] The technical solution adopted by the present application to achieve the above-mentioned purpose is as follows: a lithium battery pole piece powder removal equipment, comprising a pole piece feeding station, a crushing station, a high-temperature soaking station, a drying station and a screening and discharging device, the pole piece feeding station is connected with the crushing station, the output end of the crushing station is connected with a conveying station, the output end of the conveying station is connected with the high-temperature soaking station, the output end of the drying station is connected with a discharging station, the output end of the discharging station is connected with the screening and discharging device, the inside of the high-temperature soaking station is provided with a net belt conveying mechanism and a soaking area, and a high-temperature controller is installed on the inside of the high-temperature soaking station.

[0006] As a preferred technical solution of the present application, the first driving motor is arranged on the side of the pole piece feeding station, a discharging guide hopper is arranged at the position where the top end of the pole piece feeding station is connected with the crushing station, a feeding support is arranged at the bottom of the pole piece feeding station, a second driving motor is arranged on the side of the material conveying station, a material conveying support is arranged at the bottom of the material conveying station, a sealing top frame is arranged at the upper end of the high-temperature soaking station, a sealing heat preservation cover plate is arranged at the upper end of the drying station, and a discharging control seat is arranged at the output end of the discharging station.

[0007] As a preferred technical solution of the present application, the crushing box and the rotating motor are arranged at the upper end of the crushing station, the first gear, the second gear and the driving wheel are arranged on the side of the crushing box, the driving wheel is connected with the rotating motor, the first crushing roller, the second crushing roller and the roller groove are arranged in the crushing box, the first crushing roller and the second crushing roller are located on the inner side of the roller groove, and the feeding hopper is arranged at the top of the crushing box.

[0008] As a preferred technical solution of the present application, the vibration support is arranged at the bottom of the screening and discharging device, the guard plate is arranged on the side of the screening and discharging device, the screening net is arranged at the bottom of the screening and discharging device, the feeding groove is arranged at the upper end of the guard plate, the discharging hopper is arranged at the front end of the screening and discharging device, and the spring buffer mechanism and the vibration machine are arranged between the vibration support and the screening and discharging device.

[0009] As a preferred technical solution of the present application, the pole piece feeding station conveys the pole piece to the position of the crushing station for crushing treatment, the crushed material is sent into the high-temperature soaking station through the material conveying station, the high-temperature soaking treatment is carried out through the mesh belt material conveying mechanism, the soaking area and the high-temperature controller, the material is continuously conveyed to the drying station for drying, and finally the material is conveyed to the screening and discharging device for screening and discharging.

[0010] As a preferred technical solution of the present application, the first driving motor drives the position of the pole piece feeding station to convey the material, the pole piece feeding station discharges the material through the discharging guide hopper at the top, the second driving motor drives the position of the material conveying station to convey the material, the high-temperature soaking station and the sealing top frame are sealed and positioned through the bolts, and the drying station and the sealing heat preservation cover plate are sealed and positioned through the bolts.

[0011] As a preferred technical solution of the present application, the rotating motor drives the driving wheel and rotates the first gear and the second gear, the first gear drives the first crushing roller to rotate, the second gear drives the second crushing roller to rotate, and the first crushing roller and the second crushing roller rotate and crush in the inner side of the roller groove.

[0012] As a preferred technical scheme of the present application, the screening discharge device is protected by a protective plate on the side, the protective plate is welded and positioned between the feeding groove, and the spring buffering mechanism is used for elastic sorting between the screening discharge device and the vibrating support.

[0013] Beneficial effects: Compared with the prior art, the lithium battery pole piece powder removal equipment has the following beneficial effects: the lithium battery pole piece powder removal equipment is used for processing the pole piece into small size through a shredder, then high-temperature soaking is performed through a mesh belt equipment, so that the pole piece becomes a mixture of sheet polar material and aluminum foil or copper foil, then high-temperature drying treatment is performed through a high-temperature tunnel furnace, so that the polar material becomes brittle and becomes granular, and finally the granular polar material is separated from the aluminum foil or copper foil through a vibrating screen, so that the recovery process is short, the operation is simple, the recovery purity is high, the pole piece loading station is used for conveying the pole piece to the position of the crushing station for crushing treatment, and the crushed material is sent to the inside of the high-temperature soaking station through the feeding station, the mesh belt feeding mechanism, the soaking area and the high-temperature controller for high-temperature soaking treatment, and then the material is continuously conveyed to the drying station for drying, and finally the material is conveyed to the screening discharge device through the discharging station, the whole lithium battery pole piece powder removal equipment has simple structure, convenient operation and better use effect than the traditional way. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the lithium battery pole piece powder removal equipment.

[0015] Figure 2 It is a structure schematic view of the inside of the high-temperature soaking station in the lithium battery pole piece powder removal equipment.

[0016] Figure 3 It is a structure schematic view of the inside of the high-temperature soaking station in the lithium battery pole piece powder removal equipment.

[0017] Figure 4 It is a structure schematic view of the crushing station in the lithium battery pole piece powder removal equipment.

[0018] Figure 5 It is a structure schematic view of the inside of the crushing box in the lithium battery pole piece powder removal equipment.

[0019] Figure 6 It is a structure schematic view of the screening discharge device in the lithium battery pole piece powder removal equipment.

[0020] Figure 7 It is a structure schematic view of the A enlarged view in the lithium battery pole piece powder removal equipment.

[0021] Figure 8It is a structure schematic view of the enlarged view of B in the lithium battery pole piece powder removing equipment.

[0022] In the figure: 1, pole piece loading station; 2, first driving motor; 3, loading support; 4, crushing station; 5, discharging guide hopper; 6, conveying station; 7, high-temperature soaking station; 8, sealing top frame; 9, sealing heat preservation cover plate; 10, drying station; 11, vibrating support; 12, discharging station; 13, discharging control seat; 14, screening net; 15, screening and discharging device; 16, mesh belt conveying mechanism; 17, soaking area; 18, first crushing roller; 19, second crushing roller; 20, roller groove; 21, second gear; 22, crushing box; 23, first gear; 24, driving wheel; 25, rotary motor; 26, second driving motor; 27, conveying support; 28, feeding groove; 29, protection plate; 30, spring buffering mechanism; 31, discharging hopper; 32, feeding hopper; 33, high-temperature controller. DETAILED DESCRIPTION

[0023] The technical solutions of the present application will be described clearly and completely in combination with the drawings and specific embodiments, but those skilled in the art will understand that the following described embodiments are part of the embodiments of the present application, not all the embodiments, and are only used to illustrate the present application, and should not be regarded as limiting the scope of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. The specific conditions are not specified in the embodiments, and are carried out according to the conventional conditions or the conditions recommended by the manufacturer. The reagents or instruments used are not specified by the manufacturer, and are conventional products that can be purchased on the market.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0026] like Figures 1-8 As shown, a lithium battery electrode de-powdering device includes an electrode feeding station 1, a crushing station 4, a high-temperature soaking station 7, a drying station 10, and a screening and discharging device 15. The electrode feeding station 1 and the crushing station 4 are connected. The output end of the crushing station 4 is connected to a conveying station 6, and the output end of the conveying station 6 is connected to the high-temperature soaking station 7. The output end of the drying station 10 is connected to a discharging station 12, and the output end of the discharging station 12 is connected to the screening and discharging device 15. The high-temperature soaking station 7 is equipped with a mesh belt conveying mechanism 16 and a soaking area 17. A high-temperature controller 33 is installed inside the high-temperature soaking station 7. The electrode feeding station 1 transports the electrode to the crushing station 4 for de-powdering. The material is crushed and then fed into the high-temperature soaking station 7 via the conveying station 6. It is then subjected to high-temperature soaking through the mesh belt conveyor 16, the soaking area 17, and the high-temperature controller 33. It continues to be conveyed forward to the drying station 10 for drying, and finally conveyed to the screening and discharge device 15 via the discharge station 12 for screening and discharge. The electrode sheet is first processed by a shredder to become a small size, and then subjected to high-temperature soaking through the mesh belt equipment, so that the electrode sheet becomes a mixture of sheet polar material and aluminum foil or copper foil. Next, it is dried in a high-temperature tunnel furnace, so that the polar material becomes brittle and becomes granular. Finally, it is separated from the aluminum foil or copper foil by a vibrating screen.

[0027] like Figure 1 , 2As shown in Figure 3, a first drive motor 2 is installed on the side of the electrode feeding station 1. A feeding guide hopper 5 is set at the top of the electrode feeding station 1 where it connects to the crushing station 4. A feeding bracket 3 is positioned at the bottom of the electrode feeding station 1. A second drive motor 26 is installed on the side of the conveying station 6. A conveying bracket 27 is installed at the bottom of the conveying station 6. A sealing top frame 8 is installed at the top of the high-temperature soaking station 7. A sealing and heat-insulating cover plate 9 is installed at the top of the drying station 10. A discharge control seat 13 is installed at the output end of the discharge station 12. The first drive motor 2 drives the electrode feeding station 1 to convey material. The top of the electrode feeding station 1 discharges material through the feeding guide hopper 5. The second drive motor 26 drives the conveying station 6 to convey material. The high-temperature soaking station 7 and the sealing top frame 8 are sealed and positioned by bolts. The drying station 10 and the sealing and heat-insulating cover plate 9 are sealed and positioned by bolts.

[0028] like Figure 4 , 5 As shown, a crushing box 22 and a rotary motor 25 are installed at the upper end of the crushing station 4. A first gear 23, a second gear 21 and a drive wheel 24 are arranged on the side of the crushing box 22. The drive wheel 24 is connected to the rotary motor 25. A first crushing roller 18, a second crushing roller 19 and a roller groove 20 are arranged inside the crushing box 22. The first crushing roller 18 and the second crushing roller 19 are located inside the roller groove 20. A feed funnel 32 is installed on the top of the crushing box 22. The rotary motor 25 drives the drive wheel 24 and drives the first gear 23 and the second gear 21 to rotate. The first gear 23 drives the first crushing roller 18 to rotate, and the second gear 21 drives the second crushing roller 19 to rotate. The first crushing roller 18 and the second crushing roller 19 rotate and crush inside the roller groove 20.

[0029] like Figure 6 As shown, a vibrating bracket 11 is installed at the bottom of the screening and discharge device 15, a protective plate 29 is positioned on the side of the screening and discharge device 15, a screening screen 14 is provided at the bottom of the screening and discharge device 15, a feeding trough 28 is positioned at the upper end of the protective plate 29, a discharge hopper 31 is provided at the front end of the screening and discharge device 15, a spring buffer mechanism 30 and a vibrator are installed between the vibrating bracket 11 and the screening and discharge device 15, the side of the screening and discharge device 15 is protected by the protective plate 29, the protective plate 29 is welded and positioned with the feeding trough 28, and the screening and discharge device 15 and the vibrating bracket 11 are elastically sorted by the spring buffer mechanism 30.

[0030] Working Principle: This invention includes an electrode feeding station 1, a first drive motor 2, a feeding support 3, a crushing station 4, a discharge guide hopper 5, a conveying station 6, a high-temperature soaking station 7, a sealed top frame 8, a sealed heat-insulating cover plate 9, a drying station 10, a vibration support 11, a discharge station 12, a discharge control seat 13, a screening screen 14, a screening and discharge device 15, a mesh belt conveying mechanism 16, a soaking area 17, a first crushing roller 18, a second crushing roller 19, a roller groove 20, a second gear 21, a crushing box 22, a first gear 23, a drive wheel 24, a rotary motor 25, a second drive motor 26, a conveying support 27, a feeding trough 28, a protective plate 29, a spring buffer mechanism 30, a discharge hopper 31, a feeding funnel 32, and a high-temperature controller 33. The electrode feeding station 1 feeds the electrode... The material is conveyed to the crushing station 4 for crushing, and then fed into the high-temperature soaking station 7 via the conveying station 6. It undergoes high-temperature soaking through the mesh belt conveyor 16, the soaking area 17, and the high-temperature controller 33, and continues to be conveyed to the drying station 10 for drying. Finally, it is conveyed to the screening and discharge device 15 via the discharge station 12 for screening and discharge. The electrode sheet is first processed by a shredder to become a small size, and then soaked in high temperature through the mesh belt equipment, so that the electrode sheet becomes a mixture of sheet polar material and aluminum foil or copper foil. Next, it is dried in a high-temperature tunnel furnace, so that the polar material becomes brittle and becomes granular. Finally, it is separated from the aluminum foil or copper foil by a vibrating screen. The recycling process is short, simple to operate, and has high recycling purity.

[0031] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A lithium battery pole piece powder removal device, comprising a pole piece feeding station (1), a crushing station (4), a high-temperature soaking station (7), a drying station (10) and a screening and discharging device (15), characterized in that: The pole piece feeding station (1) is connected between the crushing station (4), the output end of the crushing station (4) is connected with the feeding station (6), the output end of the feeding station (6) is connected with the high-temperature soaking station (7), the output end of the drying station (10) is connected with the discharging station (12), the output end of the discharging station (12) is connected with the screening and discharging device (15), the inside of the high-temperature soaking station (7) is provided with a mesh belt feeding mechanism (16) and a soaking area (17), and the inside of the high-temperature soaking station (7) is provided with a high-temperature controller (33).

2. The lithium battery pole piece powder removing device according to claim 1, characterized in that: The first driving motor (2) is positioned and installed on the side of the pole piece feeding station (1), the discharging guide hopper (5) is arranged at the position where the top end of the pole piece feeding station (1) is connected with the crushing station (4), the upper feeding support (3) is positioned and installed at the bottom of the pole piece feeding station (1), the second driving motor (26) is installed on the side of the feeding station (6), the feeding support (27) is positioned and installed at the bottom of the feeding station (6), the sealing top frame (8) is installed at the upper end of the high-temperature soaking station (7), the sealing heat preservation cover plate (9) is installed at the upper end of the drying station (10), and the discharging control seat (13) is installed at the output end of the discharging station (12).

3. The lithium battery pole piece powder removing device according to claim 1, characterized in that: The crushing box (22) and the rotating motor (25) are installed at the upper end of the crushing station (4), the first gear (23), the second gear (21) and the driving wheel (24) are arranged on the side of the crushing box (22), the driving wheel (24) is connected with the rotating motor (25), the first crushing roller (18), the second crushing roller (19) and the roller groove (20) are arranged in the crushing box (22), the first crushing roller (18) and the second crushing roller (19) are located inside the roller groove (20), and the feeding hopper (32) is installed at the top of the crushing box (22).

4. The lithium battery pole piece powder removing device according to claim 1, characterized in that: The vibration support (11) is positioned and installed at the bottom of the screening and discharging device (15), the protective plate (29) is positioned on the side of the screening and discharging device (15), the screening net (14) is arranged at the bottom of the screening and discharging device (15), the feeding groove (28) is positioned at the upper end of the protective plate (29), the discharging hopper (31) is arranged at the front end of the screening and discharging device (15), and the spring buffering mechanism (30) and the vibration machine are installed between the vibration support (11) and the screening and discharging device (15).

5. The lithium battery pole piece powder removing device according to claim 1, wherein: The pole piece feeding station (1) conveys the pole piece to the position of the crushing station (4) for crushing treatment, the crushed material is sent to the inside of the high-temperature soaking station (7) through the feeding station (6), the high-temperature soaking treatment is carried out through the mesh belt feeding mechanism (16), the soaking area (17) and the high-temperature controller (33), the material is continuously conveyed to the drying station (10) for drying, and finally the material is conveyed to the screening and discharging device (15) for screening and discharging through the discharging station (12).

6. The lithium battery pole piece powder removing device according to claim 2, characterized in that: The first driving motor (2) drives the position of the pole piece feeding station (1), the top of the pole piece feeding station (1) is discharged through the discharge guide hopper (5), the second driving motor (26) drives the position of the feeding station (6), the high-temperature soaking station (7) and the sealing top frame (8) are sealed and positioned by bolts, and the drying station (10) and the sealing heat preservation cover plate (9) are sealed and positioned by bolts.

7. The lithium battery pole piece powder removing device according to claim 3, characterized in that: The rotary motor (25) drives the driving wheel (24) and drives the first gear (23) and the second gear (21) to rotate, the first gear (23) drives the first crushing roller (18) to rotate, the second gear (21) drives the second crushing roller (19) to rotate, and the first crushing roller (18) and the second crushing roller (19) rotate and crush in the inner side of the roller groove (20).

8. The lithium battery pole piece powder removing device according to claim 4, characterized in that: The screening discharge device (15) is protected by the protection plate (29), the protection plate (29) and the feeding groove (28) are welded and positioned, and the screening discharge device (15) and the vibration support (11) are elastically sorted by the spring buffering mechanism (30).

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