System for recycling aluminum particles from ternary battery pole piece

The grinding and sieving system efficiently separates aluminum particles from ternary battery electrodes, solving the problem of incomplete sieving in existing technologies, improving recycling efficiency and reducing environmental pollution.

CN223644022UActive Publication Date: 2025-12-09SHAOGUAN RUIQIN NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422919899.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-09
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

In the existing technology for recycling ternary battery electrode sheets, the broken battery electrode sheets are in both particle and powder state, and the screening is incomplete, resulting in low recycling efficiency and potential secondary pollution, which cannot meet production needs.

Method used

The system employs a grinding disc and a vibration mechanism. A servo motor drives the rotating disc and grinding roller for grinding, while a dual-axis motor drives an eccentric block to vibrate and screen the filter screen. A multi-layer filter and a mobile receiving hopper are used to collect aluminum particles.

Benefits of technology

This method achieves efficient separation of aluminum particles, improves recycling efficiency, avoids loss and environmental pollution, and ensures the subsequent utilization of aluminum particles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a system for recovering aluminum particles from a ternary battery pole piece, which belongs to the field of ternary battery pole piece recovery and comprises a recovery box, a feed hopper fixedly communicated with the top of the recovery box, a controller fixedly mounted on the front side of the recovery box, a grinding disc fixedly connected inside the recovery box and a filter screen arranged inside the recovery box. A grinding mechanism is arranged in the grinding disc, a vibrating mechanism is arranged at the bottom of the filter screen, and the grinding mechanism comprises a servo motor, a rotating disc, a rotating shaft and a grinding roller. According to the system for recycling the aluminum particles from the ternary battery pole piece, a driving motor is started to work through a controller, so that a transmission wheel, a belt and a crushing roller are in transmission fit, the ternary battery pole piece is preliminarily crushed conveniently, and the crushed ternary battery pole piece is further ground through matched use of a grinding roller and a grinding disc; and it is ensured that all materials are accurately separated, and the advantage of high recovery efficiency is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of ternary battery electrode recycling technology, specifically a system for recovering aluminum particles from ternary battery electrodes. Background Technology

[0002] Lithium-ion batteries are widely used due to their advantages such as high energy density, fast discharge speed and no memory effect. However, based on the evolution and growth of the industry and the average lifespan of lithium batteries, it is estimated that more than 3 million tons of lithium-ion batteries will reach the end of their life cycle by 2030. These waste lithium batteries are considered hazardous waste. If they are not properly recycled and disposed of, they will lead to the accumulation of toxic substances such as metals, organic electrolytes, adhesives and plastics, polluting the soil, air and groundwater.

[0003] In the recycling process of ternary lithium battery electrodes, a device for recovering aluminum particles from battery electrodes is required. In the existing technology, ternary lithium battery electrodes are usually directly crushed. However, after the battery electrodes are crushed, they are small, light objects in both granular and powder states. Insufficient screening affects subsequent utilization. In addition, traditional recycling methods are inefficient and may cause secondary pollution, which cannot meet production needs. Therefore, a system for recovering aluminum particles from ternary lithium battery electrodes is proposed to solve the problems mentioned above. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a system for recovering aluminum particles from ternary lithium battery electrodes. It has the advantages of high recovery efficiency and strong practicality. It solves the problems of existing technologies, which usually involve directly crushing the battery electrodes. However, after the battery electrodes are crushed, they are small, light objects in both particle and powder states. The screening is not thorough enough, which affects subsequent utilization. In addition, traditional recycling methods are inefficient and may cause secondary pollution, which cannot meet production needs.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a system for recovering aluminum particles from ternary battery electrode sheets, comprising a recovery box, a feed hopper fixedly connected to the top of the recovery box, a controller fixedly installed on the front of the recovery box, a grinding disc fixedly connected to the inside of the recovery box, and a filter screen disposed inside the recovery box. The grinding disc is provided with a grinding mechanism inside, and the bottom of the filter screen is provided with a vibration mechanism.

[0006] The grinding mechanism comprises a servo motor, a rotating disk, a rotating shaft, and a grinding roller;

[0007] The vibration mechanism comprises a vibration box, a dual-axis motor, a transmission shaft, an eccentric block, and a spring.

[0008] Furthermore, the servo motor is fixedly mounted inside the grinding disc via a mounting bracket, and the rotating disc is fixedly connected to the output shaft of the servo motor.

[0009] Furthermore, there are four rotating shafts, all of which are rotatably connected to the outside of the rotating disk. The end of each rotating shaft away from the rotating disk is fixedly connected to a grinding roller that abuts against the inner bottom wall of the grinding disk.

[0010] Furthermore, the vibration box is detachably connected to the bottom of the filter screen, the dual-axis motor is fixedly installed inside the vibration box, and there are two drive shafts, which are respectively fixedly connected to the two output shafts of the dual-axis motor.

[0011] Furthermore, the eccentric block is fixedly connected to the end of the drive shaft away from the output shaft of the dual-axis motor, the spring is fixedly connected to the bottom of the filter screen, the bottom of the spring is fixedly connected to an mounting block, and the mounting block is fixedly connected to the inner wall of the recycling bin.

[0012] Furthermore, the inside of the feed hopper is provided with a crushing mechanism, which consists of a crushing roller, a transmission wheel, a belt, and a drive motor. There are two crushing rollers, both of which are rotatably connected inside the feed hopper. The transmission wheel is fixedly installed at one end of the two crushing rollers, and the belt drive is connected to the outside of the two transmission wheels.

[0013] Furthermore, the drive motor is fixedly installed outside the feed hopper, and the output shaft of the drive motor is fixed to one end of one of the crushing rollers.

[0014] Furthermore, the recycling bin has an internal discharge port, and a mobile receiving hopper is installed at the bottom of the discharge port.

[0015] Compared with the prior art, this utility model provides a system for recovering aluminum particles from ternary battery electrodes, which has the following advantages:

[0016] 1. This system for recovering aluminum particles from ternary lithium battery electrodes uses a controller to start the drive motor, which enables the transmission wheel, belt, and crushing roller to work together to facilitate the initial crushing of the ternary lithium battery electrodes. Then, a servo motor drives the rotating disk and rotating shaft to rotate, which allows the grinding roller and grinding disk to work together to further grind the crushed ternary lithium battery electrodes, ensuring that all materials are accurately separated and achieving the advantage of high recycling efficiency.

[0017] 2. This system for recovering aluminum particles from ternary lithium battery electrodes uses a controller to start a dual-shaft motor that drives the drive shaft to rotate, causing the eccentric block to rotate. This facilitates the vibration screening of the filter screen, which is beneficial for subsequent use. Combined with at least three layers of filtration, it ensures that no leakage or pollution of the surrounding environment occurs during the screening of battery electrodes. By setting up a mobile receiving hopper, the separated aluminum particles are collected and transported for subsequent use, achieving the advantages of high practicality. Attached Figure Description

[0018] Fig. 1 This is a three-dimensional cross-sectional view of the structure of this utility model;

[0019] Fig. 2 This is a cross-sectional perspective view of the grinding disc of this utility model.

[0020] Fig. 3 This is a three-dimensional structural view of the vibration mechanism of this utility model;

[0021] Fig. 4 This is a three-dimensional view of the structure of this utility model.

[0022] In the diagram: 1. Recycling bin; 2. Feed hopper; 3. Controller; 4. Grinding disc; 5. Filter screen; 6. Servo motor; 7. Rotary disc; 8. Rotating shaft; 9. Grinding roller; 10. Vibration box; 11. Dual-axis motor; 12. Drive shaft; 13. Eccentric block; 14. Spring; 15. Crushing roller; 16. Drive wheel; 17. Belt; 18. Drive motor; 19. Mobile receiving hopper trolley. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1:

[0025] Please see Figs. 1 to 4This embodiment describes a system for recovering aluminum particles from ternary lithium battery electrodes. It includes a recovery box 1, a feed hopper 2 fixedly connected to the top of the recovery box 1, a controller 3 fixedly installed on the front of the recovery box 1, a grinding disc 4 fixedly connected inside the recovery box 1, and a filter screen 5 disposed inside the recovery box 1. The grinding disc 4 has a grinding mechanism inside, and the filter screen 5 has a vibration mechanism at its bottom. The grinding mechanism consists of a servo motor 6, a rotating disk 7, a rotating shaft 8, and a grinding roller 9. The servo motor 6 drives the rotating disk 7 and rotating shaft 8 to rotate, causing the grinding roller 9 to work in conjunction with the grinding disc 4 to further grind the pulverized ternary lithium battery electrodes, ensuring precise separation of various materials and achieving high recovery efficiency.

[0026] The servo motor 6 is fixedly installed inside the grinding disc 4 by a mounting bracket, and the rotating disc 7 is fixedly connected to the output shaft of the servo motor 6.

[0027] Specifically, there are four rotating shafts 8, all of which are rotatably connected to the outside of the rotating disk 7. The end of the rotating shaft 8 away from the rotating disk 7 is fixedly connected to a grinding roller 9 that abuts against the inner bottom wall of the grinding disk 4.

[0028] In this embodiment, the vibration mechanism comprises a vibration box 10, a dual-axis motor 11, a drive shaft 12, an eccentric block 13, and a spring 14. The vibration box 10 is detachably connected to the bottom of the filter screen 5. The dual-axis motor 11 is fixedly installed inside the vibration box 10. There are two drive shafts 12, which are respectively fixedly connected to the two output shafts of the dual-axis motor 11.

[0029] Among them, the eccentric block 13 is fixedly connected to one end of the drive shaft 12 away from the output shaft of the dual-shaft motor 11, the spring 14 is fixedly connected to the bottom of the filter screen 5, the bottom of the spring 14 is fixedly connected to the mounting block, and the mounting block is fixedly connected to the inner wall of the recycling box 1.

[0030] In this embodiment, a crushing mechanism is provided inside the feed hopper 2. The crushing mechanism consists of a crushing roller 15, a transmission wheel 16, a belt 17, and a drive motor 18. There are two crushing rollers 15, both of which are rotatably connected inside the feed hopper 2. The transmission wheel 16 is fixedly installed at one end of the two crushing rollers 15, and the belt 17 is driven to the outside of the two transmission wheels 16. The drive motor 18 is started by the controller 3, so that the transmission wheel 16, belt 17 and crushing roller 15 are engaged in transmission, which facilitates the initial crushing of the ternary battery electrode sheets.

[0031] The drive motor 18 is fixedly installed on the outside of the feed hopper 2, and the output shaft of the drive motor 18 is fixed to one end of one of the crushing rollers 15.

[0032] Example 2:

[0033] Please see Figs. 1 to 4 Based on Embodiment 1, the recycling bin 1 has an internal discharge port, and a mobile receiving hopper 19 is installed at the bottom of the discharge port. By setting up the mobile receiving hopper 19, the separated aluminum particles are collected and transported for subsequent use.

[0034] The above technical solution facilitates the collection and transportation of separated aluminum particles for subsequent use.

[0035] The working principle of the above embodiments is as follows:

[0036] In use, the ternary battery electrode sheets are fed into the hopper 2. The drive motor 18 is started by the controller 3, which enables the transmission wheel 16, belt 17 and crushing roller 15 to perform transmission and facilitate the initial crushing of the ternary battery electrode sheets. Then, the servo motor 6 drives the rotating disk 7 and rotating shaft 8 to rotate, so that the grinding roller 9 and grinding disk 4 work together to further grind the crushed ternary battery electrode sheets, ensuring that the various materials are accurately separated. Then, the dual-axis motor 11 is started by the controller 3 to drive the transmission shaft 12 to rotate, so that the eccentric block 13 rotates, which facilitates the vibration screening of the filter screen 5, which is beneficial for subsequent use. With at least three layers of filtration, the separated aluminum particles are collected and transported for subsequent use by setting up a mobile receiving hopper 19.

[0037] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. Any method that can achieve its beneficial effect can be implemented. In addition, the electrical components in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Those skilled in the art can control the electrical components through simple programming. Moreover, the existing disclosed power connection technology is also common knowledge in the field. Therefore, the specific structural composition and working principle will not be described in detail in this embodiment.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" 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.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A system for recovering aluminum particles from ternary lithium battery electrodes, characterized in that: It includes a recycling bin (1), a feed hopper (2) fixedly connected to the top of the recycling bin (1), a controller (3) fixedly installed on the front of the recycling bin (1), a grinding disc (4) fixedly connected to the inside of the recycling bin (1), and a filter screen (5) set inside the recycling bin (1). The grinding disc (4) is provided with a grinding mechanism inside, and the filter screen (5) is provided with a vibration mechanism at the bottom. The grinding mechanism comprises a servo motor (6), a rotating disk (7), a rotating shaft (8), and a grinding roller (9); The vibration mechanism comprises a vibration box (10), a dual-axis motor (11), a transmission shaft (12), an eccentric block (13), and a spring (14).

2. The system for recovering aluminum particles from ternary battery electrodes according to claim 1, characterized in that: The servo motor (6) is fixedly installed inside the grinding disc (4) by a mounting bracket, and the rotating disc (7) is fixedly connected to the output shaft of the servo motor (6).

3. The system for recovering aluminum particles from ternary battery electrodes according to claim 1, characterized in that: There are four rotating shafts (8), all of which are rotatably connected to the outside of the rotating disk (7). The end of the rotating shaft (8) away from the rotating disk (7) is fixedly connected to a grinding roller (9) that abuts against the inner bottom wall of the grinding disk (4).

4. The system for recovering aluminum particles from ternary battery electrodes according to claim 1, characterized in that: The vibration box (10) is detachably connected to the bottom of the filter screen (5). The dual-axis motor (11) is fixedly installed inside the vibration box (10). There are two drive shafts (12), and the two drive shafts (12) are respectively fixedly connected to the two output shafts of the dual-axis motor (11).

5. The system for recovering aluminum particles from ternary battery electrodes according to claim 1, characterized in that: The eccentric block (13) is fixedly connected to one end of the transmission shaft (12) away from the output shaft of the dual-axis motor (11). The spring (14) is fixedly connected to the bottom of the filter screen (5). The bottom of the spring (14) is fixedly connected to an mounting block, which is fixedly connected to the inner wall of the recycling bin (1).

6. The system for recovering aluminum particles from ternary battery electrodes according to claim 1, characterized in that: The feed hopper (2) is equipped with a crushing mechanism, which consists of a crushing roller (15), a transmission wheel (16), a belt (17) and a drive motor (18). There are two crushing rollers (15), which are rotatably connected inside the feed hopper (2). The transmission wheel (16) is fixedly installed at one end of the two crushing rollers (15), and the belt (17) is driven to the outside of the two transmission wheels (16).

7. A system for recovering aluminum particles from ternary battery electrodes according to claim 6, characterized in that: The drive motor (18) is fixedly installed on the outside of the feed hopper (2), and the output shaft of the drive motor (18) is fixed to one end of one of the crushing rollers (15).

8. The system for recovering aluminum particles from ternary battery electrodes according to claim 1, characterized in that: The recycling bin (1) has a discharge port inside, and a mobile receiving hopper (19) is provided at the bottom of the discharge port.