Waste recovery equipment and recovery method for lithium battery production

Abstract

The invention discloses waste recovery equipment for lithium battery production and a recovery method, and belongs to the technical field of lithium battery production equipment.The waste recovery equipment comprises a recovery box, the inner side of the recovery box is fixedly connected with a plurality of first millstones and second millstones which are vertically distributed, the diameter of each first millstone is larger than that of each second millstone, and a discharging hole is formed in the middle of each first millstone; a motor is installed at the top of the recycling box, the output end of the motor is connected with a rotating shaft, multiple sets of grinding rollers and material scraping plates are installed on the outer wall of the rotating shaft, and heating cavities are formed in the inner sides of the first grinding disc and the second grinding disc. According to the waste crushing device, the first millstones and the second millstones are alternately arranged, so that multi-stage grinding can be carried out when the grinding roller and the material scraping plate work, crushing is finer, recycling is facilitated, and through the arrangement of the heating cavity, when the waste crushing device is used, a heat source is introduced, waste can be heated and dried, and water in the waste can be removed.

Description

Technical Field

[0001] The present invention relates to a lithium battery production device, in particular to a waste recycling device and a recycling method for lithium battery production, belonging to the technical field of lithium battery production equipment. Background Art

[0002] A lithium battery is a type of battery with lithium metal or lithium alloy as the positive / negative electrode material and using a non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become the mainstream.

[0003] At present, when the existing waste recycling equipment for lithium battery production on the market is used, it is necessary to crush the lithium battery waste and then recycle it. However, the existing waste recycling equipment for lithium battery production is not fine enough during crushing, which will affect the subsequent recycling efficiency.

[0004] Therefore, the present invention proposes a new solution. Summary of the Invention

[0005] The main purpose of the present invention is to solve the deficiencies of the existing technology and provide a waste recycling device and a recycling method for lithium battery production.

[0006] The object of the present invention can be achieved by adopting the following technical solutions:

[0007] A waste recycling device for lithium battery production includes a recycling box. A feed pipe is fixedly connected to the top of the recycling box, and a discharge pipe is fixedly connected to the bottom of the recycling box. A plurality of first grinding disks and second grinding disks distributed vertically are fixedly connected to the inner side of the recycling box. The diameter of the first grinding disk is larger than that of the second grinding disk. A blanking hole is provided in the middle of the first grinding disk. A motor is installed on the top of the recycling box, and the output end of the motor is connected to a rotating shaft. A plurality of groups of grinding rollers and material scraping plates are installed on the outer wall of the rotating shaft. Heating cavities are provided on the inner sides of the first grinding disk and the second grinding disk.

[0008] Preferably, an edge is fixedly connected to the edge of the top of the first grinding disk.

[0009] Preferably, air pipes connected to the recycling box are fixedly connected to both the first grinding disk and the second grinding disk.

[0010] Preferably, a connecting pipe is connected between adjacent first grinding disks and second grinding disks.

[0011] Preferably, flanges are connected to both the air pipe and the connecting pipe.

[0012] Preferably, a plurality of connecting rods are fixedly connected to the outer wall of the rotating shaft, and both the grinding roller and the material scraping plate are installed on the outer wall of the connecting rod.

[0013] Preferably, each group of the material scraping plates is provided with a plurality of them, and a sleeve pipe sleeved on the outer wall of the connecting rod is connected between the plurality of material scraping plates, and a mounting cap is installed at one end of the connecting rod.

[0014] Preferably, a support plate is fixedly connected to the inner wall of the recycling box.

[0015] A recycling method for waste recycling equipment used in lithium battery production includes:

[0016] Step 1: Use a connecting pipe and bolts to connect the air pipes between a plurality of first grinding disks and second grinding disks to each other and introduce a heat source.

[0017] Step 2: Start the motor, put the lithium battery waste into the recycling box from the feed pipe, and the waste falls on the topmost first grinding disk.

[0018] Step 3: The motor drives the rotating shaft to rotate, the grinding roller breaks the waste, and then the material scraping plate scrapes the waste towards the material discharging hole and finally falls on the second grinding disk on the next layer.

[0019] Step 4: On the second grinding disk, the grinding roller located on the second grinding disk continues to grind the waste, and then the material scraping plate scrapes the waste towards the edge of the second grinding disk and finally falls on the first grinding disk on the next layer until it is finally discharged from the discharge pipe.

[0020] Preferably, the material scraping plate is an arc-shaped material scraping plate, and the material scraping plate located at the top of the first grinding disk faces the rotating shaft, and the material scraping plate located at the top of the second grinding disk faces away from the rotating shaft.

[0021] The beneficial technical effects of the present invention: According to the waste recycling equipment and recycling method for lithium battery production of the present invention, through the setting of the first grinding disk and the second grinding disk, the first grinding disk and the second grinding disk are arranged alternately. Therefore, when the grinding roller and the material scraping plate work, multi-stage grinding can be carried out, so that the crushing is more delicate and convenient for recycling. Through the setting of the heating cavity, when in use, a heat source is introduced, and the waste can be heated and dried to remove the moisture therein. Description of the Drawings

[0022] Figure 1 It is a cross-sectional view of the overall structure according to a preferred embodiment provided by the present invention;

[0023] Figure 2 It is a schematic diagram of the overall structure according to a preferred embodiment provided by the present invention;

[0024] Figure 3Schematic diagram of a nozzle cartridge structure according to a preferred embodiment provided by the present invention;

[0025] Figure 4 Schematic diagram of a support plate structure according to a preferred embodiment provided by the present invention;

[0026] Figure 5 Schematic diagram of a push block structure according to a preferred embodiment provided by the present invention;

[0027] Figure 6 Schematic diagram of a fixing plate structure according to a preferred embodiment provided by the present invention.

[0028] In the figure: 1, recycling bin; 2, feed pipe; 3, discharge pipe; 4, first grinding disc; 5, second grinding disc; 6, blanking hole; 7, motor; 8, rotating shaft; 9, grinding roller; 10, material scraping plate; 11, heating chamber; 12, edge; 13, air pipe; 14, connecting pipe; 15, flange; 16, connecting rod; 17, sleeve; 18, mounting cap; 19, support plate. Detailed implementation manners

[0029] To make the technical solutions of the present invention clearer and more definite for those skilled in the art, the present invention will be further described in detail below with reference to the embodiments and the accompanying drawings, but the implementation manners of the present invention are not limited thereto.

[0030] As Figures 1 - 6 shown, the waste recycling equipment and recycling method for lithium battery production provided in this embodiment include a recycling bin 1. A feed pipe 2 is fixedly connected to the top of the recycling bin 1, a discharge pipe 3 is fixedly connected to the bottom of the recycling bin 1, and a plurality of first grinding discs 4 and second grinding discs 5 distributed vertically are fixedly connected to the inner side of the recycling bin 1. The diameter of the first grinding disc 4 is larger than that of the second grinding disc 5. A blanking hole 6 is provided in the middle of the first grinding disc 4. A motor 7 is installed on the top of the recycling bin 1. The output end of the motor 7 is connected to a rotating shaft 8. A plurality of groups of grinding rollers 9 and material scraping plates 10 are installed on the outer wall of the rotating shaft 8. Heating chambers 11 are provided on the inner sides of both the first grinding disc 4 and the second grinding disc 5. Through the arrangement of the first grinding disc 4 and the second grinding disc 5, the first grinding disc 4 and the second grinding disc 5 are alternately arranged. Therefore, when the grinding rollers 9 and the material scraping plates 10 are working, multi-stage grinding can be performed, so that the crushing is more delicate and convenient for recycling. Through the arrangement of the heating chambers 11, when in use, a heat source is introduced, and the waste can be heated and dried to remove the moisture therein.

[0031] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, an edge 12 is fixedly connected to the top edge of the first grinding disc 4. Air pipes 13 interconnected with the recovery box 1 are fixedly connected to both the first grinding disc 4 and the second grinding disc 5. A connecting pipe 14 is connected between the adjacent first grinding disc 4 and the second grinding disc 5. Flanges 15 are connected to both the air pipe 13 and the connecting pipe 14. Through the arrangement of the air pipe 13 and the connecting pipe 14, and with flanges 15 connected to both the air pipe 13 and the connecting pipe 14, during use, bolts are used for series connection, and then steam or other heat sources are introduced, which can heat the ground waste materials to remove the moisture therein. Through the arrangement of the edge 12, the waste materials can only enter the second grinding disc 5 from the feeding hole 6.

[0032] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, multiple connecting rods 16 are fixedly connected to the outer wall of the rotating shaft 8. The grinding rollers 9 and the material scraping plates 10 are both installed on the outer wall of the connecting rods 16. Each group of the material scraping plates 10 has multiple ones, and a sleeve 17 sleeved on the outer wall of the connecting rod 16 is connected between the multiple material scraping plates 10. An installation cap 18 is installed at one end of the connecting rod 16. A support plate 19 is fixedly connected to the inner wall of the recovery box 1. Through the arrangement of the installation cap 18, it is convenient to install the grinding rollers 9 and the material scraping plates 10. Through the arrangement of the support plate 19, the first grinding disc 4 and the second grinding disc 5 are stably connected to the recovery box 1.

[0033] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, a recovery method for a waste recovery device used in lithium battery production includes:

[0034] Step 1: Use the connecting pipe 14 and bolts to interconnect the air pipes 13 between multiple first grinding discs 4 and second grinding discs 5, and introduce a heat source.

[0035] Step 2: Start the motor 7, put the lithium battery waste materials into the recovery box 1 from the feeding pipe 2, and the waste materials fall on the topmost first grinding disc 4.

[0036] Step 3: The motor 7 drives the rotating shaft 8 to rotate, the grinding rollers 9 will break the waste materials, and then the material scraping plates 10 scrape the waste materials towards the feeding hole 6 and finally fall on the second grinding disc 5 on the lower layer.

[0037] Step 4: On the second grinding disc 5, the grinding rollers 9 located on the second grinding disc 5 will continue to grind the waste materials, and then the material scraping plates 10 scrape the waste materials towards the edge of the second grinding disc 5 and finally fall on the first grinding disc 4 on the lower layer until they are finally discharged from the discharge pipe 3.

[0038] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, the material scraping plate 10 is an arc-shaped material scraping plate, and the material scraping plate 10 located on the top of the first grinding disc 4 faces the rotating shaft 8, while the material scraping plate 10 located on the top of the second grinding disc 5 faces away from the rotating shaft 8. Through the arrangement that the material scraping plate 10 is an arc-shaped material scraping plate, the material scraping plate 10 located on the top of the first grinding disc 4 faces the rotating shaft 8, and the material scraping plate 10 located on the top of the second grinding disc 5 faces away from the rotating shaft 8, the flow direction of the waste is controlled when rotating along with the rotating shaft 8.

[0039] In this embodiment, as Figures 1 - 6 shown, the working process of a waste recycling device and a recycling method for lithium battery production provided in this embodiment is as follows:

[0040] Step 1: Use the connecting pipe 14 and bolts to interconnect the air pipes 13 between multiple first grinding discs 4 and second grinding discs 5, and introduce a heat source.

[0041] Step 2: Start the motor 7, put the lithium battery waste into the recycling box 1 from the feeding pipe 2, and the waste falls on the topmost first grinding disc 4.

[0042] Step 3: The motor 7 drives the rotating shaft 8 to rotate, the grinding roller 9 breaks the waste, and then the material scraping plate 10 scrapes the waste towards the material discharging hole 6 and finally falls on the second grinding disc 5 on the next layer.

[0043] Step 4: On the second grinding disc 5, the grinding roller 9 located on the second grinding disc 5 continues to grind the waste, and then the material scraping plate 10 scrapes the waste towards the edge of the second grinding disc 5 and finally falls on the first grinding disc 4 on the next layer until it is finally discharged from the discharging pipe 3.

[0044] As described above, it is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the scope disclosed by the present invention, according to the technical solution and its concept of the present invention, makes equivalent substitutions or changes, all belong to the protection scope of the present invention.

Claims

1. A waste recycling device for lithium battery production, comprising a recycling box (1), a feed pipe (2) is fixedly connected to the top of the recycling box (1), and a discharge pipe (3) is fixedly connected to the bottom of the recycling box (1), characterized in that, Inside the recycling bin (1), a plurality of first grinding discs (4) and second grinding discs (5) are fixedly connected in an up-and-down distribution. The diameter of the first grinding disc (4) is larger than that of the second grinding disc (5). A material discharging hole (6) is provided in the middle of the first grinding disc (4). A motor (7) is installed on the top of the recycling bin (1). The output end of the motor (7) is connected to a rotating shaft (8). A plurality of groups of grinding rollers (9) and material scraping plates (10) are installed on the outer wall of the rotating shaft (8). Heating chambers (11) are provided on the inner sides of both the first grinding disc (4) and the second grinding disc (5).

2. The waste recycling equipment for lithium battery production according to claim 1, characterized in that, An edge (12) is fixedly connected to the edge of the top of the first grinding disc (4).

3. The waste recycling equipment for lithium battery production according to claim 1, characterized in that, Air pipes (13) connected to the recycling bin (1) are fixedly connected to both the first grinding disc (4) and the second grinding disc (5).

4. The waste recycling equipment for lithium battery production according to claim 3, characterized in that, A connecting pipe (14) is connected between adjacent first grinding discs (4) and second grinding discs (5).

5. The waste recycling equipment for lithium battery production according to claim 4, characterized in that, Flanges (15) are connected to both the air pipe (13) and the connecting pipe (14).

6. The waste recycling equipment for lithium battery production according to claim 1, wherein, A plurality of groups of connecting rods (16) are fixedly connected to the outer wall of the rotating shaft (8). Both the grinding roller (9) and the material scraping plate (10) are installed on the outer wall of the connecting rod (16).

7. The waste recycling equipment for lithium battery production according to claim 6, characterized in that, Each group of the material scraping plates (10) has a plurality of them. A sleeve (17) sleeved on the outer wall of the connecting rod (16) is connected between the plurality of material scraping plates (10). An installation cap (18) is installed at one end of the connecting rod (16).

8. The waste recycling equipment for lithium battery production according to claim 1, wherein, A support plate (19) is fixedly connected to the inner wall of the recycling bin (1).

9. Recycling method of waste recycling equipment for lithium battery production, characterized in that, Including: Step 1: Use the connecting pipe (14) and bolts to communicate the air pipes (13) between a plurality of first grinding discs (4) and second grinding discs (5) with each other, and introduce a heat source; Step 2: Start the motor (7), and put the lithium battery waste into the recycling bin (1) from the feed pipe (2). The waste falls on the topmost first grinding disc (4). Step 3: The motor (7) drives the rotating shaft (8) to rotate. The grinding roller (9) breaks the waste, and then the material scraping plate (10) scrapes the waste towards the material discharging hole (6) and finally drops onto the second grinding disc (5) on the next layer. Step 4: On the second grinding disc (5), the grinding roller (9) located on the second grinding disc (5) continues to grind the waste, and then the material scraping plate (10) scrapes the waste towards the edge of the second grinding disc (5) and finally drops onto the first grinding disc (4) on the next layer until it is finally discharged from the discharge pipe (3).

10. The recycling method of a waste recycling device for lithium battery production according to claim 9, characterized in that, The material scraping plate (10) is an arc-shaped material scraping plate, and the material scraping plate (10) located on the top of the first grinding disc (4) faces the rotating shaft (8), and the material scraping plate (10) located on the top of the second grinding disc (5) faces away from the rotating shaft (8).

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