Waste lithium battery copper-aluminum mixture treatment system

Abstract

The utility model provides a waste lithium battery copper-aluminum mixture treatment system, which belongs to the technical field of screening and comprises a plurality of grading storage bins mounted between a disc screen and a copper-aluminum sorting machine. The grading storage bin comprises a shell, a stirring assembly and a discharging assembly. The shell is provided with a feeding port and a discharging port, the feeding ports in the multiple grading storage bins are communicated with all layers of the disc screen respectively, and the discharging port is communicated with the copper-aluminum sorting machine. The stirring assembly is mounted on the shell; the discharging assembly is installed on the shell, located in the discharging opening and used for opening or closing the discharging opening. According to the waste lithium battery copper-aluminum mixture treatment system, by means of the multiple graded storage bins, all the feeding ports are communicated with all the layers of the disc screen respectively, all the discharging ports are communicated with the copper-aluminum sorting machine, the discharging ports are controlled through the discharging assembly, the same copper-aluminum sorting machine is used for sorting the mixture in all the graded storage bins, and the waste lithium battery copper-aluminum mixture treatment system is simple in structure and convenient to operate. The waste of equipment is reduced, and the waste of manpower and material resources is also reduced.

Description

Technical Field

[0001] This utility model belongs to the field of screening technology, specifically relating to a waste lithium battery copper-aluminum mixture treatment system. Background Technology

[0002] Currently, the screening and sorting of copper-aluminum mixtures from waste lithium-ion batteries mostly employs a segmented sorting method. This involves sorting the copper-aluminum mixture after the production process is completed, or simultaneously with production. This method requires multiple copper-aluminum sorting machines, resulting in high labor intensity for workers and increased equipment and production costs. It also leads to significant waste of manpower, resources, and equipment. Furthermore, uneven feeding occurs during the copper-aluminum sorting process, necessitating frequent adjustments to equipment parameters and reducing production efficiency. Utility Model Content

[0003] This utility model provides a waste lithium battery copper-aluminum mixture processing system to solve the technical problems of waste of manpower, material resources and equipment and uneven feeding in the copper-aluminum screening process in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a waste lithium battery copper-aluminum mixture processing system, including multiple grading storage bins installed between a disc screen and a copper-aluminum separator; the grading storage bins include:

[0005] The shell is provided with a feed inlet and a discharge outlet; the feed inlets on the multiple graded storage bins are respectively connected to each layer of the disc screen, and the discharge outlets are connected to the copper-aluminum separator;

[0006] A stirring assembly, mounted on the housing, is used to stir the mixture located inside the housing;

[0007] The unloading assembly is mounted on the housing and located inside the unloading port, and is used to open or close the unloading port.

[0008] In one possible implementation, the stirring assembly includes a driver, multiple horizontal shafts, and multiple stirring rollers; the driver is mounted on the housing, with its free end penetrating the housing and located inside the housing; the multiple horizontal shafts are arranged circumferentially along the free end of the driver, and one end of each horizontal shaft is fixedly connected to the free end of the driver; the stirring rollers are disposed inside the housing and close to the inner wall of the housing, with each stirring roller corresponding to one of the multiple horizontal shafts, and one end of each stirring roller connected to a horizontal shaft.

[0009] In one possible implementation, the stirring roller includes a drive motor, a stirring shaft, and helical blades; the housing of the drive motor is connected to the horizontal shaft, and the output shaft of the drive motor is connected to the stirring shaft; the helical blades are disposed on the stirring shaft and arranged along the length direction of the stirring shaft.

[0010] In one possible implementation, the free end of the driver is further provided with a connector, which is located inside the housing; one end of the transverse shaft is fixed to the connector.

[0011] In one possible implementation, the stirring assembly further includes a rotating base; the rotating base is located below each of the stirring rollers and connected to each of the stirring rollers; a discharge space communicating with the discharge port is provided between the rotating base and the inner wall of the housing.

[0012] In one possible implementation, the stirring assembly further includes a longitudinal shaft, the upper and lower ends of which are connected to the connector and the rotating base, respectively.

[0013] In one possible implementation, the unloading assembly includes an unloading base, an unloading baffle, and a cylinder; the unloading base is disposed on the housing and located below the unloading port, the unloading base has a discharge port communicating with the unloading port, the discharge port is connected to a copper-aluminum separator, and the unloading base has a sealing port communicating with the discharge port; the unloading baffle is located between the discharge port and the unloading port and is slidably connected to the sealing port; the cylinder is disposed on the unloading base and located outside the housing, the free end of the cylinder passes through the unloading base and is kinetically connected to the unloading baffle, and is used to drive the unloading baffle to move within the sealing port to open or close the unloading port.

[0014] In one possible implementation, the housing is provided with a liquid jacket, which is disposed along the inner wall of the housing, and the liquid jacket is provided with an inlet pipe and an outlet pipe that penetrate the inner wall of the housing.

[0015] In one possible implementation, the graded storage silo is further provided with a conveying pipe, one end of which is connected to the discharge port and the other end of which is connected to the copper-aluminum separator; air hammers are provided on both the outer wall of the shell and the conveying pipe.

[0016] In one possible implementation, the housing is further provided with a spray nozzle, which is connected to an external water source.

[0017] The beneficial effects of the waste lithium battery copper-aluminum mixture processing system provided by this utility model are as follows: Compared with the prior art, in the use of this utility model's waste lithium battery copper-aluminum mixture processing system, since the inlet of each graded storage bin is connected to each layer of the disc screen, and the discharge is connected to the copper-aluminum separator, and the discharge component is located on the shell of the graded storage bin and inside the discharge port, after the disc screen separates the mixture into layers, the mixture in each layer enters the respective graded storage bin. The discharge component controls the opening or closing of the discharge port of each graded storage bin, and thus the mixture in each graded storage bin can be screened by the same copper-aluminum separator, reducing equipment waste; since the stirring component is located on the shell... Therefore, the mixture inside the shell is stirred by the stirring component to ensure uniform mixing throughout the shell, facilitating better screening. In this way, multiple graded storage bins are used, with each feed inlet connected to a different layer of the disc screen, and each discharge port connected to the same copper-aluminum separator. The discharge port is controlled by the discharge component, and the mixture in each graded storage bin is then separated by the same copper-aluminum separator, thereby reducing equipment waste and minimizing waste of manpower and resources. At the same time, the vibration frequency of the copper-aluminum separator and the frequency of the blower are adjusted according to the particle size of different copper-aluminum mixtures, and the stirring component ensures uniform distribution of the mixture, separating the mixture into finished copper and aluminum particles, thereby improving product quality and sorting efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the waste lithium battery copper-aluminum mixture treatment system provided in this embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the graded storage bin provided in an embodiment of the present utility model;

[0021] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0022] The following are the labeling elements in the figure:

[0023] 1. Grading storage bin; 11. Feed inlet; 12. Discharge outlet; 13. Shell; 14. Spray nozzle; 15. Vent; 16. Conveying pipe; 17. Air hammer; 2. Mixing assembly; 21. Driver; 22. Horizontal shaft; 23. Mixing shaft; 24. Spiral blade; 25. Connecting parts; 26. Rotating base; 27. Vertical shaft; 28. Drive motor; 3. Discharge assembly; 31. Discharge base; 32. Discharge baffle; 33. Cylinder; 34. Discharge outlet; 35. Elastic scraper; 36. Sealing port; 4. Liquid jacket; 41. Liquid inlet pipe; 42. Liquid outlet pipe; 5. Cyclone separator; 6. Disc screen; 7. Copper-aluminum separator. Detailed Implementation

[0024] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0026] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] Please see Figures 1 to 3The present invention provides a waste lithium battery copper-aluminum mixture processing system. The system includes multiple grading storage bins 1 installed between a disc screen 6 and a copper-aluminum separator 7. Each grading storage bin 1 includes a shell 13, a stirring assembly 2, and a discharge assembly 3. The shell 13 has an inlet 11 and a discharge port 12. The inlets 11 of the multiple grading storage bins 1 are respectively connected to each layer of the disc screen 6, and the discharge ports 12 are connected to the copper-aluminum separator 7. The stirring assembly 2 is installed on the shell 13 and is used to stir the mixture within the shell 13. The discharge assembly 3 is installed inside the shell 13 and located within the discharge port 12, and is used to open or close the discharge port 12.

[0029] Compared with the prior art, the waste lithium battery copper-aluminum mixture processing system provided in this embodiment has the following advantages: During use, the inlet 11 of each graded storage bin 1 is connected to each layer of the disc screen 6, and the discharge port 12 is connected to the copper-aluminum separator 7. Simultaneously, the discharge assembly 3 is located on the shell 13 of the graded storage bin 1 and inside the discharge port 12. Therefore, after the disc screen 6 separates the mixture into layers, the mixture in each layer enters the respective graded storage bin 1. The discharge assembly 3 controls the opening or closing of the discharge port 12 of each graded storage bin 1, allowing the mixture in each graded storage bin 1 to be screened using the same copper-aluminum separator, reducing equipment waste. Furthermore, the stirring assembly 2 is located inside the shell 13 and at the inlet... Below 11, the mixture inside the shell 13 is stirred by the stirring component 2 to ensure uniform mixing throughout the shell 13 for better sieving. In this way, multiple graded storage bins 1 are used to connect each inlet 11 to each layer of the disc screen 6, and each discharge port 12 is connected to the same copper-aluminum separator 7. The discharge port 12 is controlled by the discharge component 3, and the mixture in each graded storage bin 1 is separated by the same copper-aluminum separator 7, thereby reducing equipment waste and waste of manpower and material resources. At the same time, the vibration frequency and fan frequency of the copper-aluminum separator 7 are adjusted according to the particle size of different copper-aluminum mixtures, and the stirring component 2 is used to make the mixture evenly distributed, separating the mixture into finished copper particles and aluminum particles, thereby improving product quality and sorting efficiency.

[0030] Please see Figure 2As a specific embodiment of the waste lithium battery copper-aluminum mixture processing system provided by this utility model, the stirring assembly 2 includes a driver 21, multiple horizontal shafts 22, and multiple stirring rollers; the driver 21 is mounted on the housing 13, and the free end of the driver 21 passes through the housing 13 and is located inside the housing 13; the multiple horizontal shafts 22 are arranged circumferentially along the free end of the driver 21, and one end of the stirring roller is fixedly connected to the free end of the driver 21; the stirring rollers are arranged inside the housing 13 and close to the inner wall of the housing 13, and the multiple stirring rollers correspond one-to-one with the multiple horizontal shafts 22, and one end of the stirring roller is connected to the horizontal shaft 22; the driver 21 drives the free end to rotate, thereby driving the horizontal shafts 22 to rotate, and the horizontal shafts 22 drive the stirring rollers to rotate, thereby stirring the mixture inside the housing 13; the driver 21 is a motor.

[0031] Please see Figure 2 As a specific embodiment of the waste lithium battery copper-aluminum mixture processing system provided by this utility model, the stirring roller includes a drive motor 28, a stirring shaft 23, and a spiral blade 24; the housing of the drive motor 28 is connected to the horizontal shaft 22, the output shaft of the drive motor 28 is connected to the stirring shaft 23, and the spiral blade 24 is disposed on the stirring shaft 23 and arranged along the length direction of the stirring shaft 23; when the stirring roller rotates, the contact area between the stirring roller and the mixture is increased by means of the spiral blade 24 located on the stirring shaft 23, thereby making the mixture more uniform; at the same time, when the driver 21 drives the stirring roller to rotate, the drive motor 28 drives the stirring shaft 23 to rotate, and the stirring shaft 23 drives the spiral blade 24 to rotate, thereby making the stirring effect of the stirring component 2 better; the drive motor 28 is also provided with a reducer, the input shaft of the reducer is connected to the output shaft of the drive motor 28, and the output shaft of the reducer is connected to the stirring shaft 23.

[0032] Please see Figure 2 As a specific embodiment of the waste lithium battery copper-aluminum mixture processing system provided by this utility model, the free end of the driver 21 is also provided with a connector 25, which is located inside the housing 13; one end of the horizontal shaft 22 is fixed on the connector 25; the horizontal shaft 22 is connected to the free end of the driver 21 by means of the connector 25, so that the connection between the horizontal shaft 22 and the free end of the driver 21 is more stable; the free end of the driver 21 is also provided with a reducer, the input shaft of the reducer is connected to the free end of the driver 21, and the output shaft of the reducer is connected to the connector 25.

[0033] Please see Figure 2 and Figure 3As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, the stirring assembly 2 also includes a rotating base 26; the rotating base 26 is located below each stirring roller and connected to each stirring roller; a discharge space communicating with the discharge port 12 is provided between the rotating base 26 and the inner wall of the housing 13; by means of the rotating base 26, each stirring roller is connected to the rotating base 26, thereby making the structure of the stirring assembly 2 more stable; a discharge space communicating with the discharge port 12 is provided between the rotating base 26 and the inner wall of the housing 13 so that the mixed mixture after stirring can enter the discharge port 12 through the discharge space.

[0034] Please see Figure 2 and Figure 3 As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, the stirring assembly 2 also includes a longitudinal shaft 27, the upper and lower ends of which are connected to the connector 25 and the rotating base 26 respectively; by using the longitudinal shaft 27 to connect the connector 25 and the rotating base 26, the structure of the stirring assembly 2 is more stable and reliable.

[0035] Please see Figure 1 and Figure 2 As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, the shell 13 is a conical structure with a larger upper part and a smaller lower part; the conical structure of the shell 13 facilitates the mixture to fall more quickly to the discharge port 12.

[0036] Please see Figure 2 and Figure 3As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, the unloading assembly 3 includes an unloading base 31, an unloading baffle 32, and a cylinder 33; the unloading base 31 is disposed on the housing 13 and located below the unloading port 12, the unloading base 31 has an outlet 34 connected to the unloading port 12, the outlet 34 is connected to the copper-aluminum separator 7; the unloading base 31 has a sealing port 36 connected to the outlet 34; The discharge baffle 32 is located between the discharge port 34 and the discharge port 12, and is slidably connected to the sealing port 36; the cylinder 33 is mounted on the discharge base 31 and located outside the housing 13, and the free end of the cylinder 33 passes through the discharge base 31 and is connected to the discharge baffle 32 for transmission, and is used to drive the discharge baffle 32 to move within the sealing port 36 to open or close the discharge port 12; when the discharge port 12 is opened, the free end of the cylinder 33 extends and pushes the discharge baffle 32 to move to the sealing port 36. The cylinder 33 connects the discharge port 34 to the unloading port 12, and the mixture falls from the unloading port 12 to the discharge port 34 by gravity, entering the copper-aluminum separator 7. When the unloading port 12 is closed, the free end of the cylinder 33 retracts, moving the unloading baffle 32 from the sealing port 36 to between the discharge port 34 and the unloading port 12, thus closing the unloading port 12 and preventing the mixture from falling. The cylinder 33 can also control the moving distance of the unloading baffle 32, thereby changing the discharge port 12. The size of the opening of the feed port 34 is adjusted to control the discharge rate. An elastic scraper 35 is also provided on the lower end surface of the rotating base 26, and the elastic scraper 35 is in contact with the free end of the cylinder 33. When the discharge port 12 is opened, the free end of the cylinder 33 is located between the discharge port 34 and the discharge port 12. In order to prevent the mixture from falling onto the free end of the cylinder 33, the elastic scraper 35 is provided so that the elastic scraper 35 cleans the mixture on the free end of the cylinder 33 as the rotating base 26 rotates.

[0037] Please see Figure 2 As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, a liquid jacket 4 is provided inside the shell 13. The liquid jacket 4 is arranged circumferentially along the outer wall of the shell 13, and the liquid jacket 4 is provided with an outlet pipe 42 and an inlet pipe 41 arranged vertically. During the stirring process, the liquid jacket 4 comes into contact with the mixture and exchanges heat, thereby ensuring the relative temperature of the mixture inside the shell 13. At the same time, the graded storage bin 1 has the characteristics of uniform stirring, automatic cleaning, automatic scraping, convenient material discharge, and temperature regulation. With the help of the outlet pipe 42 and the inlet pipe 41 arranged vertically, the heat exchange efficiency is enhanced by using the bottom inlet and top outlet method.

[0038] Please see Figure 1 and Figure 2As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, the graded storage bin 1 is also provided with a conveying pipe 16. One end of the conveying pipe 16 is connected to the discharge port 12, and the other end is connected to the copper-aluminum separator 7. Air hammers 17 are provided on the outer wall of the shell 13 and the conveying pipe 16. By using the air hammers 17 to strike the outer wall of the shell 13 and the conveying pipe 16, the outer walls of the two are vibrated, thereby preventing the mixture from accumulating together.

[0039] Please see Figure 2 As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, the housing 13 is also provided with a spray nozzle 14, which is connected to an external water source; when the inside of the housing 13 needs to be cleaned, the spray nozzle 14 is connected to the external water source, thereby realizing the cleaning work of the inside of the housing 13.

[0040] Please see Figure 2 As a specific embodiment of the waste lithium battery copper-aluminum mixture treatment system provided by this utility model, the housing 13 is also provided with an exhaust port 15; the exhaust port 15 is connected to the dust removal device, and the gas is discharged through the exhaust port 15 and enters the dust removal device.

[0041] Please see Figure 1 As a specific embodiment of the waste lithium battery copper-aluminum mixture processing system provided by this utility model, multiple cyclone separators 5 are also provided between the disc screen 6 and multiple graded storage bins 1. The multiple cyclone separators 5 correspond one-to-one with the multiple graded storage bins 1, and the inlets of the multiple cyclone separators 5 are connected to each layer of the disc screen 6, and the outlets of the cyclone separators 5 are connected to the feed inlets 11 of the corresponding graded storage bins 1. The mixture in the disc screen 6 enters the cyclone separators 5 and is adsorbed by the negative pressure of the cyclone separators 5. The qualified mixture enters the graded storage bins 1 through the outlet, and the unqualified mixture enters the mixture storage bin connected to the cyclone separators 5, and then undergoes secondary screening.

[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A system for processing copper-aluminum mixtures from waste lithium batteries, characterized in that, Includes multiple grading and storage bins installed between the disc screen and the copper-aluminum separator; the grading and storage bins include: The shell is provided with a feed inlet and a discharge outlet; the feed inlets on the multiple graded storage bins are respectively connected to each layer of the disc screen, and the discharge outlets are connected to the copper-aluminum separator; A stirring assembly, mounted on the housing, is used to stir the mixture located inside the housing; The unloading assembly is mounted on the housing and located inside the unloading port, and is used to open or close the unloading port.

2. The waste lithium battery copper-aluminum mixture treatment system as described in claim 1, characterized in that, The stirring assembly includes a driver, multiple horizontal shafts, and multiple stirring rollers; the driver is mounted on the housing, and the free end of the driver passes through the housing and is located inside the housing; the multiple horizontal shafts are arranged circumferentially along the free end of the driver, and one end of the horizontal shaft is fixedly connected to the free end of the driver; the stirring rollers are disposed inside the housing and are located close to the inner wall of the housing, and the multiple stirring rollers correspond one-to-one with the multiple horizontal shafts, and one end of the stirring roller is connected to the horizontal shaft.

3. The waste lithium battery copper-aluminum mixture treatment system as described in claim 2, characterized in that, The stirring roller includes a drive motor, a stirring shaft, and spiral blades; the housing of the drive motor is connected to the horizontal shaft, and the output shaft of the drive motor is connected to the stirring shaft; the spiral blades are disposed on the stirring shaft and arranged along the length direction of the stirring shaft.

4. The waste lithium battery copper-aluminum mixture treatment system as described in claim 2, characterized in that, The free end of the driver is also provided with a connector, which is located inside the housing; one end of the horizontal shaft is fixed to the connector.

5. The waste lithium battery copper-aluminum mixture treatment system as described in claim 4, characterized in that, The stirring assembly also includes a rotating base; the rotating base is located below each of the stirring rollers and is connected to each of the stirring rollers; a discharge space is provided between the rotating base and the inner wall of the housing, which is connected to the discharge port.

6. The waste lithium battery copper-aluminum mixture treatment system as described in claim 5, characterized in that, The stirring assembly also includes a longitudinal shaft, the upper and lower ends of which are connected to the connector and the rotating base, respectively.

7. The waste lithium battery copper-aluminum mixture treatment system as described in claim 1, characterized in that, The unloading assembly includes an unloading base, an unloading baffle, and a cylinder. The unloading base is mounted on the housing and located below the unloading port. The unloading base has a discharge port that communicates with the unloading port and is connected to a copper-aluminum separator. The unloading base also has a sealing port that communicates with the discharge port. The unloading baffle is located between the discharge port and the unloading port and is slidably connected to the sealing port. The cylinder is mounted on the unloading base and located outside the housing. The free end of the cylinder passes through the unloading base and is connected to the unloading baffle for driving the unloading baffle to move within the sealing port to open or close the unloading port.

8. The waste lithium battery copper-aluminum mixture treatment system as described in claim 1, characterized in that, The housing is provided with a liquid jacket, which is arranged circumferentially along the outer wall of the housing, and the liquid jacket is provided with an outlet pipe and an inlet pipe arranged vertically.

9. The waste lithium battery copper-aluminum mixture treatment system as described in claim 1, characterized in that, The graded storage silo is also equipped with a conveying pipeline, one end of which is connected to the discharge port and the other end of which is connected to the copper-aluminum separator; air hammers are installed on the outer wall of the shell and the conveying pipeline.

10. The waste lithium battery copper-aluminum mixture treatment system as described in claim 1, characterized in that, The housing is also equipped with a spray nozzle, which is connected to an external water source.

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