Electrolyte treatment device for recycling lithium ion battery

Abstract

The utility model belongs to the technical field of battery recycling, and particularly relates to an electrolyte treatment device for recycling a lithium ion battery, which comprises a filter tank, a filter tank, a liquid storage tank and a liquid storage tank, a filtering mechanism is arranged at the position, below the dumping box, in the filtering box; wherein a feeding port is formed in the bottom of the dumping box, and the filtering mechanism is located below the feeding port; the driving mechanism is arranged on the outer side of the filtering box, is connected with the filtering mechanism and is suitable for driving the filtering mechanism to start, so that crushed materials with three specifications and particle sizes in the electrolyte penetrating through the feeding hole and entering the filtering mechanism are filtered, classified and recycled; and the filtering mechanism is arranged, after the electrolyte is put into the filtering box, solid broken objects in the electrolyte are screened, classified storage is conducted according to the particle size of the solid objects, and classified recycling after filtering is completed is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery recycling, and in particular relates to an electrolyte treatment device for recycling lithium ion batteries. Background Art

[0002] Battery electrolyte is the carrier of ion transmission in the battery. It is generally composed of lithium salt and organic solvent. The electrolyte plays the role of conducting ions between the positive and negative electrodes of the lithium battery, and is the guarantee for lithium-ion batteries to obtain advantages such as high voltage and high specific energy. The electrolyte is generally prepared from high-purity organic solvents, electrolyte lithium salts, necessary additives and other raw materials under certain conditions and in a certain proportion.

[0003] During the solid-liquid separation process, the existing lithium battery recycling equipment is unable to classify and recycle the battery crushed materials according to their size. The crushed materials with larger particle sizes need to be crushed again until they reach the particle size standard required for recycling.

[0004] Therefore, an electrolyte treatment device for lithium-ion battery recycling is designed to solve the technical problem in the prior art that the broken objects cannot be classified and recycled according to their size during the lithium battery electrolyte filtration process. Utility Model Content

[0005] The utility model aims to provide an electrolyte treatment device for lithium ion battery recycling to solve the above technical problems.

[0006] In order to solve the above technical problems, the utility model provides an electrolyte treatment device for lithium ion battery recovery, comprising:

[0007] A filter box, the top of which is provided with a dumping box at an angle;

[0008] The interior of the filter box is provided with a filter mechanism below the dumping box;

[0009] A feed inlet is provided at the bottom of the dumping box, and the filtering mechanism is located below the feed inlet; and

[0010] The driving mechanism is arranged on the outside of the filter box and connected to the filter mechanism, and is suitable for driving the filter mechanism to start so as to filter and classify the broken materials of three specifications of particle sizes in the electrolyte that passes through the feed port and enters the filter mechanism.

[0011] Further, the filtering mechanism comprises:

[0012] A filter cartridge horizontally disposed inside the filter box; and

[0013] A plurality of sieve holes are evenly arranged on the filter cartridge, and a notch is arranged on the outer wall of one end of the filter cartridge, and the notch is located below the feed port.

[0014] Furthermore, a rotating shaft is disposed inside the filter cartridge, and a spiral shaft is disposed outside the rotating shaft; wherein

[0015] One end of the rotating shaft is connected to the filter box bearing, and the other end passes through the filter box and is connected to the driving mechanism.

[0016] Furthermore, a partition is provided at the other end of the filter cartridge;

[0017] An arc-shaped screen is arranged between the partition and the side wall of the filter box;

[0018] The mesh diameter of the arc-shaped screen is larger than the screen hole; and

[0019] The mesh diameter on the arc-shaped screen is larger than the crushed objects of the second specification particle size and smaller than the crushed objects of the third specification particle size.

[0020] Furthermore, a scraper is provided on the outer wall of the rotating shaft;

[0021] The scraper is located between the partition plate and the inner wall of the filter box.

[0022] Furthermore, an inclined plate is provided at the bottom of the partition;

[0023] A first interception net is arranged between the inclined plate and the inner bottom surface of the filter box; and

[0024] The bottom of the filter box is provided with drainage ports on both sides of the first interception net;

[0025] The inner wall of the drain outlet is provided with a second interception net.

[0026] Furthermore, the driving mechanism comprises:

[0027] The motor is arranged outside the filter box, and the output end of the motor is connected to a driving wheel;

[0028] The driven rotating wheel is connected to the rotating shaft, and a first belt is arranged between the outer wall of the driven rotating wheel and the outer wall of the driving rotating wheel.

[0029] Furthermore, the driving mechanism comprises:

[0030] The driven rod is connected to the filter box bearing;

[0031] One end of the driven rod is located outside the filter box and is provided with an auxiliary rotating wheel;

[0032] The auxiliary rotating wheel is connected to the driven rotating wheel via a second belt;

[0033] The other end of the driven rod is located inside the filter box and is connected with a propeller.

[0034] The beneficial effect of the utility model is that the utility model is provided with a filtering mechanism, and after the electrolyte is put into the filter box, the solid broken objects in the electrolyte are screened, and the solid objects are classified and stored according to their particle sizes, so as to facilitate the classification and recovery after the filtering is completed.

[0035] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 It is an overall stereogram of the utility model;

[0039] Figure 2 The utility model Figure 1 The enlarged structural diagram of part A in the middle;

[0040] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0041] Figure 4 The utility model Figure 3 The enlarged structural diagram of part B in the middle;

[0042] Figure 5 It is a three-dimensional structural schematic diagram of a novel rotating shaft and its surrounding components.

[0043] In the figure:

[0044] 1. Filter box; 10. Dump box; 101. Feed port; 11. Drain port; 12. Motor; 121. Driving wheel; 13. First belt; 14. Driven wheel; 15. Second belt; 16. Auxiliary wheel; 17. Driven rod; 18. Propeller;

[0045] 2. Filter mechanism; 20. Rotating shaft; 21. Screw shaft; 22. Filter cartridge; 221. Partition plate; 23. Scraper; 24. Arc screen; 25. First intercepting net 25; 26. Second intercepting net; 27. Inclined plate. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0047] During the solid-liquid separation process, the existing lithium battery recycling equipment is unable to classify and recycle the battery crushed materials according to their size. The crushed materials with larger particle sizes need to be crushed again until they reach the particle size standard required for recycling.

[0048] In order to solve the above technical problems, an electrolyte treatment device for lithium-ion battery recycling is provided, comprising: a filter box 1, a tipping box 10 is obliquely arranged on the top of which; a filter mechanism 2 is arranged inside the filter box 1 below the tipping box 10; a feed port 101 is provided at the bottom of the tipping box 10, and the filter mechanism 2 is located below the feed port 101; and a driving mechanism is arranged on the outside of the filter box 1 and connected to the filter mechanism 2, suitable for driving the filter mechanism 2 to start, so as to filter and classify and recover broken materials of three specifications of particle size in the electrolyte that passes through the feed port 101 and enters the filter mechanism 2.

[0049] In some embodiments, a mixture of electrolyte and crushed materials is introduced into a dumping box 10 which is tilted. The mixture flows through the feed port 101 and falls into the filter cartridge 22. The electrolyte and crushed materials of the first particle size in the mixture pass through the sieve holes on the filter cartridge 22 and fall into the lower part of the filter box 1. The remaining crushed materials of the second and third particle sizes are intercepted in the filter cartridge 22.

[0050] In some embodiments, the motor 12 is started, and its output end drives the driving wheel 121 to rotate, and then drives the driven wheel 14 to rotate through the first belt 13. The driven wheel 14 is connected to one end of the rotating shaft 20. Figures 1 to 3 It can be seen that both ends of the rotating shaft 20 penetrate the filter box 1. At this time, the rotating shaft 20 drives the spiral shaft 21 set thereon to rotate inside the filter cylinder 22. The intercepted broken materials of the second and third particle sizes are transported to the end of the filter cylinder 22 through the spiral plate on the surface of the spiral shaft 21, and fall on the arc screen 24. A scraper 23 is fixed on the rotating shaft 20 above the arc screen 24. Figure 4 As shown, with the rotation of the rotating shaft 20, the scraper 23 is driven to rotate, and the top of the scraper 23 is fitted with the inner wall of the arc screen 24. With the rotation of the scraper 23, the second and third specification particle sizes of the broken materials falling on the arc screen 24 are screened, so that the broken materials of the second specification particle size pass through the mesh on the arc screen 24 and fall into the lower part of the filter box 1. At this time, the broken materials of the third specification particle size are intercepted in the arc screen 24 for separate recovery.

[0051] In some embodiments, Figures 3 to 5 As shown, an inclined plate 27 is provided below the partition 221, and a first interception net 25 is fixed below the inclined plate 27, and the crushed materials of the first specification particle size and the crushed materials of the second specification particle size are separated on both sides of the first interception net 25, and the electrolyte inside the filter box 1 is discharged and recovered through the drain ports 11 on both sides of the first interception net 25.

[0052] In some embodiments, when the motor 12 is started, the driven wheel 14 rotates, and the auxiliary wheel 16 is driven to rotate through the second belt 15 arranged on its outer wall, thereby driving the driven rod 17 and the propeller 18 fixed on the driven rod 17 to rotate. The propeller 18 is located at the lower part of the filter cartridge 1 and immersed in the electrolyte. As the propeller 18 rotates, the electrolyte inside the filter cartridge 1 flows, thereby flushing the broken objects of the first and second particle sizes that clog the surfaces of the two second interception nets 26, so that the broken objects will not clog the mesh of the second interception nets 26 for a long time and affect the discharge of the electrolyte.

[0053] In some embodiments, the particle size of the crushed objects of the first specification particle size is smaller than that of the crushed objects of the second specification particle size, which is smaller than that of the crushed objects of the third specification particle size. The diameter of the sieve holes on the filter cartridge 22 is smaller than the mesh diameter on the surface of the arc-shaped screen 24, and the mesh diameter on the surface of the arc-shaped screen 24 is larger than that of the crushed objects of the second specification particle size. The mesh diameters of the first interception net 25 and the second interception net 26 are both smaller than that of the crushed objects of the first specification particle size.

[0054] In summary, by providing a filtering mechanism, the solid broken materials in the electrolyte are screened after the electrolyte is put into the filter box, and the solid materials are classified and stored according to their particle sizes, which is convenient for classification and recovery after the filtering is completed.

[0055] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0057] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A lithium-ion battery recycling electrolyte treatment device, characterized in that: include: A filter box, the top of which is provided with a dumping box at an angle; A filtering mechanism is provided inside the filtering box below the dumping box; in A feed inlet is provided at the bottom of the dumping box, and the filtering mechanism is located below the feed inlet; as well as The driving mechanism is arranged on the outside of the filter box and connected to the filter mechanism, and is suitable for driving the filter mechanism to start so as to filter and classify the broken materials of three specifications of particle sizes in the electrolyte that passes through the feed port and enters the filter mechanism.

2. The electrolyte treatment device for lithium ion battery recovery according to claim 1, characterized in that: The filtering mechanism comprises: A filter cartridge horizontally disposed inside the filter box; and A plurality of sieve holes are evenly arranged on the filter cartridge, and a notch is arranged on the outer wall of one end of the filter cartridge, and the notch is located below the feed port.

3. The electrolyte treatment device for lithium ion battery recovery according to claim 2, characterized in that: A rotating shaft is disposed inside the filter cartridge, and a spiral shaft is disposed outside the rotating shaft; wherein One end of the rotating shaft is connected to the filter box bearing, and the other end passes through the filter box and is connected to the driving mechanism.

4. The electrolyte treatment device for lithium ion battery recovery according to claim 3, characterized in that: The other end of the filter cartridge is provided with a partition; An arc-shaped screen is provided between the partition and the side wall of the filter box; in The mesh diameter of the arc-shaped screen is larger than the screen hole; and The mesh diameter on the arc-shaped screen is larger than the crushed objects of the second specification particle size and smaller than the crushed objects of the third specification particle size.

5. The electrolyte treatment device for lithium ion battery recovery according to claim 4, characterized in that: A scraper is provided on the outer wall of the rotating shaft; The scraper is located between the partition plate and the inner wall of the filter box.

6. The electrolyte treatment device for lithium ion battery recovery according to claim 5, characterized in that: The bottom of the partition is provided with an inclined plate; wherein A first interception net is arranged between the inclined plate and the inner bottom surface of the filter box; and The bottom of the filter box is provided with drainage ports on both sides of the first interception net; The inner wall of the drain outlet is provided with a second interception net.

7. The electrolyte treatment device for lithium ion battery recovery according to claim 6, characterized in that: The driving mechanism comprises: The motor is arranged outside the filter box, and the output end of the motor is connected to a driving wheel; The driven rotating wheel is connected to the rotating shaft, and a first belt is arranged between the outer wall of the driven rotating wheel and the outer wall of the driving rotating wheel.

8. The electrolyte treatment device for lithium ion battery recovery according to claim 7, characterized in that: The driving mechanism comprises: The driven rod is connected to the filter box bearing; One end of the driven rod is located outside the filter box and is provided with an auxiliary rotating wheel; The auxiliary rotating wheel is connected to the driven rotating wheel via a second belt; The other end of the driven rod is located inside the filter box and is connected with a propeller.

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