Smokeless environment-friendly lithium battery recycling device

Abstract

The smokeless environment-friendly lithium battery recycling device comprises a fixing box, a driving machine, a spring, a first screening part, a second screening part and a third screening part, the fixing box is provided with an upward opening, and a fixing part is arranged in the opening; a plurality of springs in an annular array are arranged at the upper part of the fixed box; the first screening part, the second screening part and the third screening part are sequentially installed from top to bottom. According to the vibration screening device, through contact of first protrusions and second protrusions, all the screening parts vibrate, meanwhile, when all the screening parts vibrate, the flattening parts synchronously move to flatten falling materials, so that the screening efficiency is higher, the screening area is larger, the screening speed is higher, and meanwhile the screening efficiency is improved. If large particles appear on the first filter screen and the second filter screen, the large particles can be stirred to the edge, and the particles are pushed into the discharge port while being driven.

Description

Technical Field

[0001] This invention relates to the field of battery processing, and in particular to a smokeless and environmentally friendly lithium battery recycling and processing device. Background Technology

[0002] Discarded lithium batteries contain a large amount of non-renewable and economically valuable metal resources. The positive electrode material in lithium batteries is lithium cobalt oxide powder, and the negative electrode material is graphite powder. Both contain significant amounts of metals such as nickel, copper, and aluminum. Effective recycling of discarded or substandard lithium batteries can not only reduce the environmental impact of waste batteries but also prevent the waste of cobalt, nickel, and other metal resources. The recycling methods for waste lithium batteries can be mainly divided into three categories: dry recycling, wet recycling, and biological recycling. Dry recycling refers to the direct recovery of materials or valuable metals without the use of solutions or other media. The main methods used in dry recycling include physical sorting and high-temperature pyrolysis. Physical sorting involves disassembling and separating the battery components, such as electrode active materials, current collectors, and battery casing, through crushing, sieving, magnetic separation, pulverization, and classification to obtain valuable high-content substances, preparing them for subsequent chemical leaching processes.

[0003] Currently, the process involves using crushing equipment to initially crush cylindrical waste lithium batteries to obtain slag, followed by pulverizing equipment to further pulverize the slag, and then sieving equipment to separate the powder from the metal casing and separator material. Finally, magnetic separation equipment is used to separate the metal casing and separator material. This process requires the combined operation of crushing, sieving, and magnetic separation equipment. However, the existing technology still has the following problems regarding the sieving and separation of powder: during the sieving process, electrolyte residue inside the battery can easily form clumps, making it difficult to enter the sieving mechanism. This not only affects the sieving effect and reduces the screening rate but also causes blockage of the continuously entering material, thus affecting the recycling of the slag. Summary of the Invention

[0004] One object of the present invention is to provide a smokeless and environmentally friendly lithium battery recycling and processing device that at least solves any of the above-mentioned technical problems.

[0005] A further objective of this invention is to prevent material blockage, which would affect the entry and screening of subsequent materials, and to prevent internal material from piling up, thus affecting the overall material screening process.

[0006] Another further objective of this invention is to improve the screening effect by performing multi-stage screening and enhancing screening efficiency.

[0007] In particular, the present invention provides a smokeless and environmentally friendly lithium battery recycling and processing device, including a fixed box having an upward opening and a fixing part disposed therein; The upper part of the fixed box is provided with a plurality of springs arranged in a ring array; The first screening section, the second screening section, and the third screening section are installed sequentially from top to bottom, with the third screening section located at the top of the fixed box and connected to the fixed box by the spring. A drive unit is disposed inside the fixed housing, and the drive end of the drive unit is oriented toward the fixed part.

[0008] Furthermore, a feed hopper is provided at the upper part of the first screening section.

[0009] Furthermore, each of the first screening section, the second screening section, and the third screening section has a corresponding connected discharge port on one side.

[0010] Furthermore, it also includes a rotating shaft that passes through the third screening section, the second screening section, the first screening section, and the feed hopper from bottom to top.

[0011] Furthermore, each of the third screening section, the second screening section, and the first screening section is provided with a leveling section, which is fixedly connected to the rotating shaft. The leveling section includes a connecting rod and a spreading plate. One end of the connecting rod is connected to the middle of the spreading plate, and the other end is fixedly connected to the rotating shaft.

[0012] Furthermore, both the first screening section and the second screening section are equipped with support crossbars.

[0013] Furthermore, the first screening section includes a first filter screen and a first perforation, the first perforation being located in the middle of the first filter screen, and the supporting crossbar being disposed in the middle of the first filter screen. The second screening section includes a second filter screen and a second perforation, the second perforation being disposed corresponding to the first perforation, and the supporting crossbar being disposed in the middle of the second filter screen.

[0014] Furthermore, a second protrusion is provided on the inner side of both the first and second perforations, and a first protrusion is provided on the rotating shaft, with the first and second protrusions being provided correspondingly.

[0015] Furthermore, the outer surface of the shaft at the connection between the feed hopper and the first screening section is provided with threads.

[0016] Furthermore, a deflector plate is provided at the upper end of the rotating shaft. The deflector plates are arranged in a circular array around the rotating shaft, and the end of the deflector plate away from the rotating shaft is inclined downward.

[0017] The technical effects and advantages of this invention are as follows: This invention utilizes a multi-stage screening system, employing a first, second, and third screening section to segment and separate materials of different mesh sizes. The materials are then discharged through their respective outlets. The first, second, and third screening sections are supported by springs at their lower parts. A rotating shaft passes through perforations in each screening section, with first and second protrusions on the perforations. The contact between these protrusions causes vibration in each screening section. Simultaneously, a leveling section moves synchronously to flatten the falling material, resulting in higher screening efficiency, a larger screening area, and faster screening speed. Furthermore, if larger particles appear on the first and second filter screens, these particles can be pushed to the edges, simultaneously propelling them into the outlet. The present invention provides a threaded auger at the connection between the feed hopper and the first screening section, and a dispersing plate at the upper part of the rotating shaft. When too much material accumulates in the feed hopper, the dispersing plate rotates to disperse the accumulated material evenly. At the same time, it works in conjunction with the threaded auger to convey the material downwards and prevent blockage of the feed inlet. The dispersing plate is arranged in a downward-sloping circular array on the outer peripheral wall of the rotating shaft. When the material enters the feed hopper, it falls onto the dispersing plate and is dispersed. Larger materials can be dispersed when they hit the dispersing plate, facilitating the falling and filtering of the material. Attached Figure Description

[0018] The following sections will describe some specific embodiments of the invention in detail by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or portions. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings: Figure 1 This is a schematic diagram of the structure of the present invention.

[0019] Figure 2 This is a cross-sectional three-dimensional structural diagram of the present invention.

[0020] Figure 3 This is a front view structural diagram of the present invention.

[0021] Figure 4 For the present invention Figure 3 Schematic diagram of the cross-sectional structure along the AA direction.

[0022] Figure 5 For the present invention Figure 4 A magnified schematic diagram of part B.

[0023] Figure 6 For the present invention Figure 4A magnified schematic diagram of the structure of C.

[0024] In the diagram: 1. Feed hopper; 2. First screening section; 201. First filter screen; 202. First perforation; 3. Second screening section; 301. Second filter screen; 302. Second perforation; 4. Third screening section; 5. Spring; 6. Fixing box; 7. Rotating shaft; 701. First protrusion; 702. Second protrusion; 703. Collar; 8. Fixing part; 9. Sweeping part; 901. Connecting rod; 902. Material spreading plate; 10. Sleeve fitting; 11. Dispersing plate; 12. Thread; 13. Discharge port; 14. Drive motor; 15. Support crossbar. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 2 This is a cross-sectional three-dimensional structural diagram of the present invention. Figure 3 This is a front view structural diagram of the present invention. Figure 4 For the present invention Figure 3 Schematic diagram of the cross-sectional structure along the AA direction. Figure 5 For the present invention Figure 4 A magnified schematic diagram of part B. Figure 6 For the present invention Figure 4 A magnified schematic diagram of the structure of C.

[0027] This embodiment provides a smokeless and environmentally friendly lithium battery recycling and processing device, such as... Figure 1 and Figure 2As shown, the system includes a fixed box 6, a drive motor 14, springs 5, a first screening section 2, a second screening section 3, and a third screening section 4. The fixed box 6 has an upward-facing opening, and a fixing part 8 is provided inside the opening. The fixing part 8 is used to fix the drive end of the drive motor 14, which is connected to the drive end of the drive motor 14 by a bearing. The drive motor is a drive motor. The upper part of the fixed box 6 is provided with several ring-shaped arrays of springs 5. The springs 5 ​​can be made of rubber or composite materials. If the springs 5 ​​are made of rubber, their outer diameter × height × inner diameter can be in the range of 80 × 80 × 30 mm to 220 × 220 × 50 mm, etc. The final stiffness coefficient needs to be determined according to the total mass matching of the first screening section 2, the second screening section 3, and the third screening section 4. If the springs 5 ​​are 150 × 265 × 80 mm, ... The dimensions (180×270×80mm, etc.) need to be determined based on the total mass matching stiffness coefficient of the first screening section 2, the second screening section 3, and the third screening section 4. The first screening section 2, the second screening section 3, and the third screening section 4 are installed sequentially from top to bottom. The first screening section 2, the second screening section 3, and the third screening section 4 are fixed by bolts or fastening structures. The third screening section 4 is located at the upper part of the fixed box 6. The third screening section 4 is connected to the fixed box 6 by the spring 5. The drive motor 14 is set inside the fixed box 6, and the drive end of the drive motor 14 faces and passes through the fixed part 8. It also includes a rotating shaft. The rotating shaft passes through the third screening section 4, the second screening section 3, the first screening section 2, and the feed hopper 1 sequentially from bottom to top. One end of the rotating shaft is fixedly connected to the drive end of the drive motor 14.

[0028] It needs to be further explained that, such as Figures 1 to 4 As shown, a feed hopper 1 is provided at the upper part of the first screening section 2. The feed hopper 1 has a wide opening, which facilitates the feeding of materials and prevents material overflow even if the materials accumulate briefly.

[0029] It needs to be further explained that, such as Figure 1 and Figure 3 As shown, the first screening section 2, the second screening section 3, and the third screening section 4 are each provided with a corresponding and connected discharge port 13 on one side, and the discharge port 13 is as follows: Figure 1 and Figure 3 The staggered arrangement shown in the diagram facilitates material discharge during use.

[0030] It needs to be further explained that, such as Figure 2As shown, the third screening section 4, the second screening section 3, and the first screening section 2 are all equipped with a leveling section 9, which is fixedly connected to the rotating shaft. The leveling section 9 includes a connecting rod 901 and a spreading plate 902. One end of the connecting rod 901 is connected to the middle of the spreading plate 902, and the other end is fixedly connected to the rotating shaft. The angle between the spreading plate 902 and the connecting rod 901 is 20° to 30°. When the spreading plate 902 is tilted, it is convenient to spread the accumulated material evenly and facilitate vibration. The process involves multi-stage screening. The first screening section 2 first screens the powder material that is difficult to break up into clumps. Then, the material is pushed to the edge of the first filter screen 201 by the material spreading plate 902, and discharged through the outlet 13 of the first screening section 2. The second screening section 3 repeats the above working principle to gradually screen the finer materials. Finally, the material settles in the third screening section 4 and is gradually pushed out by the material spreading plate 902. It should also be noted that the bottom of the third screening section 4 can be set as a bucket-shaped mechanism to facilitate discharge. It should be further explained that a sleeve 10 is provided between the sweeping part 9 and the filter screen. The sleeve 10 can be a corrugated pipe structure or a soft plastic pipe, used to seal the first perforation 202 and the second perforation 302 to prevent material leakage.

[0031] It needs to be further explained that, such as Figure 2 As shown, both the first screening section 2 and the second screening section 3 are provided with support crossbars 15. The support crossbars 15 can be arranged in a circular array. The support crossbars 15 are used to support and fix the filter screen, preventing the filter screen from sinking when there is too much material, and enhancing the stress on the filter screen. The first screening section 2 includes a first filter screen 201 and a first perforation 202. The first perforation 202 is located in the middle of the first filter screen 201. The support crossbars 15 are arranged in the middle of the first filter screen 201. The second screening section 3 includes a second filter screen 301 and a second perforation 302. The second perforation 302 is arranged corresponding to the first perforation 202, and the support crossbars 15 are also arranged in the middle of the second filter screen 301.

[0032] It needs to be further explained that, such as Figure 4 and Figure 6As shown, a second protrusion 702 is provided inside both the first perforation 202 and the second perforation 302, and a first protrusion 701 is provided on the rotating shaft. The first protrusion 701 and the second protrusion 702 are correspondingly arranged. When the rotating shaft rotates, the first protrusion 701 collides with the second protrusion 702, thereby causing the entire screening section to vibrate or shake. It should be noted that the second protrusion 702 is arranged in different vertical positions. For example, the second protrusion 702 in the first perforation 202 and the second protrusion 702 in the second perforation 302 are staggered. This arrangement allows the entire screening section to vibrate continuously in different directions. Figure 4 As shown, the same structure is also provided inside the perforations of the third screening section 4.

[0033] It should be further explained that the outer surface of the rotating shaft at the connection between the feed hopper 1 and the first screening part 2 is provided with a thread 12. The thread 12 can assist the accumulated material to be discharged, and avoid the material in the upper part of the feed hopper 1 from being blocked. After the material is discharged, the material is evenly spread by the spreading plate 902. A collar 703 is provided at the top of the rotating shaft to fix the collar 703. A rotating shaft is provided between the collar 703 and the rotating shaft to facilitate the rotation of the rotating shaft.

[0034] It needs to be further explained that, such as Figure 2 As shown, a dispersing plate 11 is provided at the upper end of the rotating shaft. The dispersing plates 11 are arranged in a circular array around the rotating shaft, and the end of the dispersing plate 11 away from the rotating shaft is inclined downward. When the material falls from above, the rotation of the dispersing plate 11 and the angle of the dispersing plate 11 can disperse the falling material and make it slide down along the inclined angle of the dispersing plate 11. At the same time, the downward inclination of the dispersing plate 11 can avoid the dead corner between the dispersing plate 11 and the rotating shaft from the adhesion of material.

[0035] Finally, it should be noted that the descriptions of the screening section above, such as the third screening section 4, the second screening section 3, and the first screening section 2, are all general terms for the same type of features.

[0036] Working principle of this invention: In use, by setting up multi-stage screening sections, the materials of different mesh sizes are classified and separated through the first screening section 2, the second screening section 3, and the third screening section 4 for segmented screening. The materials are discharged through the corresponding discharge ports 13. The first screening section 2, the second screening section 3, and the third screening section 4 are supported by springs 5 ​​at the bottom. The rotating shaft passes through the perforations of each screening section, and the perforations are provided with first protrusions 701 and second protrusions 702. The contact between the first protrusions 701 and the second protrusions 702 causes each screening section to vibrate. At the same time as the screening sections vibrate, the leveling section 9 moves synchronously to flatten the falling materials, thereby making the screening more efficient, with a larger screening area, and a faster screening speed. Meanwhile, if large particles appear on the first filter screen 201 and the second filter screen 301, the larger particles can be moved to the edge, and the particles are pushed into the discharge port 13 while being moved. A screw auger 12 is provided at the connection between the feed hopper 1 and the first screening section 2, and a dispersing plate 11 is provided on the upper part of the rotating shaft 7. When too much material accumulates in the feed hopper 1, the dispersing plate 11 is rotated to disperse the accumulated material evenly. At the same time, it cooperates with the screw 12 to convey downward to avoid blockage of the feed port. The dispersing plate 11 is arranged in a downward inclined circular array on the outer peripheral wall of the rotating shaft. When the material enters the feed hopper 1, the material falls onto the dispersing plate 11 and can be dispersed. When larger materials hit the dispersing plate 11, they can be dispersed, which facilitates the falling and filtering of the material.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A smokeless and environmentally friendly lithium battery recycling and processing device, characterized in that, include, A fixing box having an upward opening, and a fixing part being provided inside the opening; The upper part of the fixed box is provided with a plurality of springs arranged in a ring array; The first screening section, the second screening section, and the third screening section are installed sequentially from top to bottom, with the third screening section located at the top of the fixed box and connected to the fixed box by the spring. A drive unit is disposed inside the fixed housing, and the drive end of the drive unit is oriented toward the fixed part.

2. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 1, characterized in that, A feed hopper is provided at the upper part of the first screening section.

3. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 1, characterized in that, Each of the first screening section, the second screening section, and the third screening section has a corresponding connected discharge port on one side.

4. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 1, characterized in that, It also includes a rotating shaft that passes through the third screening section, the second screening section, the first screening section and the feed hopper from bottom to top.

5. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 4, characterized in that, Each of the third screening section, the second screening section, and the first screening section is provided with a leveling section, which is fixedly connected to the rotating shaft. The leveling section includes a connecting rod and a spreading plate. One end of the connecting rod is connected to the middle of the spreading plate, and the other end is fixedly connected to the rotating shaft.

6. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 4, characterized in that, Both the first screening section and the second screening section are equipped with support crossbars.

7. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 6, characterized in that, The first screening section includes a first filter screen and a first perforation. The first perforation is located in the middle of the first filter screen, and the support crossbar is provided in the middle of the first filter screen. The second screening section includes a second filter screen and a second perforation. The second perforation is provided corresponding to the first perforation, and the support crossbar is provided in the middle of the second filter screen.

8. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 7, characterized in that, The first and second perforations are both provided with a second protrusion on their inner sides, and the rotating shaft is provided with a first protrusion, with the first and second protrusions being provided correspondingly.

9. The smokeless and environmentally friendly lithium battery recycling and processing device according to claim 2, characterized in that, The outer surface of the shaft at the connection between the feed hopper and the first screening section is threaded.

10. A smokeless and environmentally friendly lithium battery recycling and processing device according to claim 4, characterized in that, A deflector plate is provided at the upper end of the rotating shaft. The deflector plates are arranged in a circular array around the rotating shaft, and the end of the deflector plate away from the rotating shaft is inclined downward.

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