Efficient sorting and recycling device for waste lithium batteries

By using nitrogen to isolate oxygen in the lithium battery recycling device and combining screening and bioleaching technology, the combustion and explosion problems in the lithium battery sorting process are solved, an efficient and safe recycling process is achieved, and the recycling purity and efficiency are improved.

CN120619019APending Publication Date: 2025-09-12FUJIAN YONGLIN LITHIUM BATTERY MATERIALS CO LTD

Patent Information

Application Number
CN202510757789.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-09
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

Existing high-efficiency lithium battery sorting and recycling equipment is prone to combustion and explosion during the crushing process, posing a safety hazard, and the recycling purity is not high.

Method used

Inert gas nitrogen is used to isolate oxygen, and screening and bioleaching technologies are combined to achieve efficient sorting and recovery through crushing, screening and leaching processes, preventing combustion and explosion and improving recovery purity.

Benefits of technology

Effectively prevent lithium battery combustion and explosion, improve recycling purity and efficiency, reduce material waste, and improve device ease of use and sorting efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of waste battery regeneration, and discloses an efficient waste lithium battery sorting and recycling device which comprises a recycling box, the recycling box is used for crushing and sorting and recycling waste lithium battery waste after crushing, and the inner surfaces of the two sides of the recycling box are rotationally connected with first rotating shafts; a crushing roller is fixedly connected to the circumferential face of the first rotating shaft, a gas inlet pipe is fixedly connected to the right side face of the recycling box, and the gas inlet pipe is used for introducing inert gas such as nitrogen into the recycling box to isolate oxygen, so that fire prevention and explosion prevention are achieved, material oxidation is prevented, and the recycling purity is improved. Nitrogen is introduced into the recycling box through the air inlet pipe, the nitrogen can isolate oxygen, prevent combustion explosion of the lithium battery and prevent material oxidation, the recycling purity is improved, recycling is more efficient, and the nitrogen flows to the exhaust pipe through guiding of the flow guide partition plate and the vertical flow guide plate and is finally exhausted through the exhaust pipe.
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Description

Technical Field

[0001] The present invention relates to the technical field of waste battery regeneration, in particular to a device for efficiently sorting and recovering waste lithium batteries. Background Art

[0002] With the rapid development of new energy vehicles and electronic equipment, the consumption of lithium-ion batteries has increased dramatically, and the resulting waste lithium batteries have also shown explosive growth. Waste lithium batteries contain valuable metals such as lithium, cobalt, and nickel, as well as harmful substances such as electrolytes and diaphragms. If improperly handled, they will cause waste of resources and environmental pollution. Automated waste lithium battery sorting and recycling equipment can achieve precise sorting and resource utilization. Although existing technologies can efficiently screen waste lithium batteries, they are accompanied by high risks. Lithium batteries are prone to combustion and explosion during the efficient crushing and screening process, causing harm.

[0003] Patent publication number CN208738390U discloses a highly efficient waste lithium battery sorting and recycling device. The patent includes a highly efficient waste lithium battery sorting and recycling device. The device has a battery inlet on its upper end surface, a sealing rubber strip installed on one side of the battery inlet, an upper cover installed above the device, a motor protective housing installed on one side of the device, three motor protective housings installed, a water inlet installed on the other side of the device, a support seat installed on the outer side of the motor protective housing, a motor compartment installed inside the motor protective housing, a motor installed inside the motor compartment, and a rotating shaft installed on one side of the motor. Multiple motors are used to drive the spiral stirring blades to rotate, thereby improving the sorting and recycling efficiency of waste lithium batteries. Although this patent solves the above-mentioned problems, it still has the problem of difficulty in protecting the lithium batteries during recycling, which makes the lithium batteries prone to combustion and explosion, causing harm. Therefore, a highly efficient waste lithium battery sorting and recycling device is proposed to solve the above-mentioned problems. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a high-efficiency sorting and recycling device for waste lithium batteries in response to the above-mentioned deficiencies in the prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a high-efficiency sorting and recycling device for waste lithium batteries, comprising: A recycling box is used for crushing, sorting, and recycling waste lithium battery waste after crushing. The inner surfaces of both sides of the recycling box are rotatably connected to a rotating shaft 1, and the circumferential surface of the rotating shaft 1 is fixedly connected to a crushing roller. The right side of the recycling box is fixedly connected to an air inlet pipe, and the air inlet pipe is used to introduce an inert gas such as nitrogen into the recycling box to isolate oxygen, thereby preventing fire and explosion, and preventing oxidation of materials to improve the recovery purity; A screening magnetic separation device is provided inside the recycling box and is used to preliminarily screen the crushed lithium battery waste by particle size and magnetic force; A bioleaching device is provided inside a recovery box and is used for deep screening and recycling of lithium battery waste residues by microorganisms.

[0006] As a further technical solution, the recycling box includes: A guide baffle, which is fixedly connected to the inner wall of the recovery box and collects the protective gas and lithium battery waste; A vertical guide plate, which is fixedly connected to the upper surface of the guide baffle and is used to further concentrate the protective gas to facilitate discharge; An exhaust pipe is fixedly connected to the left side of the recovery box. The exhaust pipe is used to discharge protective gas. A mounting plate is fixedly connected to the right end of the circumferential surface of the exhaust pipe. The mounting plate is used to quickly install the exhaust pipe on the recovery box.

[0007] As a further technical solution, the recycling box further includes: A mounting sleeve is threadedly connected to the inner surface of the right side of the exhaust pipe. A filter plate is fixedly connected to the inner surface of the mounting sleeve. The filter plate is used to filter the protective gas and lithium battery waste to prevent the lithium battery waste from being discharged when the protective gas is discharged; An inserting shaft is slidably connected to the inner surfaces of the front and rear sides of the mounting plate, a knob is fixedly connected to the left end of the inserting shaft, and an L-shaped slot is provided on the circumferential surface of the inserting shaft; The connecting shaft is fixedly connected to the left side of the inner wall of the recovery box, and a clamping shaft is fixedly connected to the side of the connecting shaft close to the plug shaft.

[0008] As a further technical solution, a spring is provided between the right side of the knob and the left side of the mounting plate, the card shaft is slidably connected to the inner surface of the L-shaped card slot, the plug shaft slides from the left side of the recycling box through the left side of the inner wall of the recycling box, the circumferential surface of the mounting frame is socketed with the left inner surface of the recycling box, the right side of the mounting plate is abutted against the left side of the recycling box, and the left and right ends of the vertical guide plate are fixedly connected to the inner wall of the recycling box.

[0009] As a further technical solution, the screening magnetic separation device includes: A screening box, the screening box is fixedly connected to the lower surface of the left side of the guide baffle, and the inner surface of the screening box is clamped with a trapezoidal electromagnet plate; A sieve plate, the sieve plate being fixedly connected to the inner surface of the left side of the guide baffle, the sieve plate having sieve holes formed on the inner side thereof, and the sieve plate sieving the lithium battery waste through the sieve holes; A pull plate is fixedly connected to the left side of the trapezoidal electromagnet plate, and a sealing strip is fixedly connected to the left side of the pull plate.

[0010] As a further technical solution, the screening magnetic separation device further includes: A closed box, the closed box is fixedly connected to the right side of the recovery box, the top inner surface of the closed box is slidably connected to a T-shaped transmission rod, and the top inner side of the T-shaped transmission rod is provided with a through groove; A rotating wheel, the rotating wheel is fixedly connected to a right end of the rotating shaft, a convex shaft is provided on the right side of the rotating wheel, and the convex shaft is slidably connected to the inner surface of the through groove provided on the top of the T-shaped transmission rod; A chute is provided on the right side of the recycling box, and a pressure rod is slidably connected to the inner surface of the chute; A connecting column is fixedly connected to the bottom surface of the inner wall of the screening box, and a dial plate is hinged on the top of the connecting column.

[0011] As a further technical solution, the pull plate abuts against the left inner surface of the recycling box, the sealing strip abuts against the left inner surface of the recycling box, the left side of the T-shaped transmission rod abuts against the right side of the rotating wheel, the right end of the pressure rod is fixedly connected to the bottom end of the T-shaped transmission rod, and a torsion spring is provided at the hinge between the shift plate and the connecting column.

[0012] As a further technical solution, the bioleaching device includes: The immersion box is arranged on the right side of the bottom of the recovery box, and the left side of the immersion box is fixedly connected to a waste pipe; A water inlet pipe, the water inlet pipe is fixedly connected to the inner surface of the right side of the recovery box; Solenoid valve 1, the solenoid valve 1 is fixedly connected to the left side of the recovery box; Solenoid valve 2, the solenoid valve 2 is fixedly connected to the front side of the dipping box.

[0013] As a further technical solution, the bioleaching device further comprises: A material guide inclined plate, the material guide inclined plate is fixedly connected to the right side of the bottom of the screening box; A connecting rod, the connecting rod is fixedly connected to the circumferential surface of the pressure rod, and the bottom end of the connecting rod is fixedly connected to a rack; A through-slot support rod, wherein the through-slot support rod is fixedly connected to the right side of the inner wall of the recycling box, and a through-slot is formed on the inner surface of the left end of the through-slot support rod; The second rotating shaft is rotatably connected to the front and rear sides of the inner wall of the dipping box, the circumferential surface of the second rotating shaft is fixedly connected to the metal adsorption plate, and the circumferential surface of the second rotating shaft is fixedly connected to the gear.

[0014] As a further technical solution, the solenoid valve 2 passes through the front side of the inner wall of the recycling box, the connecting rod and the inner surface of the through-slot support rod are slidably connected, and the gear and the left side of the rack are meshed.

[0015] The present invention adopts the above technical solution, which can bring the following beneficial effects:

[0016] 1. This efficient sorting and recycling device for used lithium batteries introduces nitrogen into the recycling box through the air inlet pipe when crushing used lithium batteries. Nitrogen can isolate oxygen, prevent the combustion and explosion of lithium batteries, and prevent the oxidation of materials to improve the recycling purity and make recycling more efficient. Nitrogen flows to the exhaust pipe through the guidance of the guide baffle and the vertical guide plate, and is finally discharged through the exhaust pipe to prevent the accumulation of waste gas in the recycling box and affect the subsequent recycling effect. The filter plate can prevent waste from being discharged from the exhaust pipe to prevent material waste. The installation sleeve is rotated out of the exhaust pipe to quickly remove the filter plate, which is convenient for cleaning the filter plate to prevent it from being blocked and causing waste gas accumulation. The knob drives the plug shaft to withdraw from the recycling box, and then the exhaust pipe is quickly removed, which improves the ease of use of the device.

[0017] 2. This waste lithium battery efficient sorting and recycling device uses the sieve plate holes to screen the waste materials of qualified size and allows them to fall into the screening box, while the large pieces of waste remain on the sieve plate for preliminary screening. The waste that falls into the screening box then falls onto the trapezoidal electromagnet plate, where the metal waste is adsorbed by the trapezoidal electromagnet plate, while the waste of other materials slides along the inclined surface to the bottom right of the screening box, thereby quickly sorting out the metal waste and other waste.

[0018] 3. This efficient waste lithium battery sorting and recycling device uses a pull plate to drive the trapezoidal electromagnet plate to be pulled out from the screening box and the recycling box, and then closes the trapezoidal electromagnet plate to facilitate the rapid collection of metal waste, thereby improving the recycling efficiency of the device. When the pressure rod slides up and down, it moves the paddle plate, causing the paddle plate to rotate and vibrate along the hinge with the connecting column and knock on the screen plate, thereby shaking off the waste in the screen hole, preventing the screen plate from being blocked, and further improving the sorting efficiency.

[0019] 4. This waste lithium battery efficient sorting and recycling device inputs microbial solvent into the immersion box through the water inlet pipe. After the material is soaked in the microbial solvent, the metal elements that can be recycled will be leached out. The leached metal will adhere to the metal adsorption plate, which improves the recovery effect. Clean water will rinse the metal on the metal adsorption plate. At this time, opening the solenoid valve 2 will allow the metal to flow out of the immersion box and the recovery box, further improving the recovery effect.

[0020] 5. In this efficient sorting and recycling device for waste lithium batteries, during the mixing process of microbial solvent and materials, the metal adsorption plate stirs the microbial solvent, thereby improving the mixing efficiency and thus improving the leaching efficiency of metal elements. After the metal is leached, the metal adsorption plate reciprocates to improve the contact efficiency with the metal elements, facilitating their adsorption and thereby improving the collection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present invention; Figure 2 This is a schematic diagram of a half-section structure of the front side of the recycling box of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the enlarged structure of A; Figure 4 This is a schematic diagram of the right side three-dimensional half-section structure of the mounting frame of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure of B; Figure 6 This is a schematic diagram of the front side half-section structure of the screening magnetic separation device of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of C in the middle; Figure 8 It is a schematic diagram of the right side three-dimensional half-section structure of the screening magnetic separation device of the present invention; Figure 9 For the present invention Figure 8 Schematic diagram of the enlarged structure of D in the middle; Figure 10 This is a schematic diagram of the front side three-dimensional half-section structure of the bioleaching device of the present invention; Figure 11 It is a schematic diagram of the front side three-dimensional half-section structure of the dipping box of the present invention.

[0022] Figure: 1, recycling box; 2, rotating shaft 1; 3, crushing roller; 4, air inlet pipe; 5, guide baffle; 6, vertical guide plate; 7, screening magnetic separation device; 8, bioleaching device; 9, exhaust pipe; 10, mounting plate; 11, mounting frame; 12, filter plate; 13, plug shaft; 14, knob; 15, L-shaped slot; 16, connecting shaft; 17, clamping shaft; 71, screening box; 72, trapezoidal electromagnetic plate; 73, screen plate; 74, pull plate ; 75. Sealing strip; 76. Closing box; 77. T-shaped transmission rod; 78. Rotating wheel; 79. Slide; 710. Pressure rod; 711. Connecting column; 712. Dipping plate; 81. Solenoid box; 82. Water inlet pipe; 83. Waste discharge pipe; 84. Solenoid valve 1; 85. Solenoid valve 2; 86. Material guide inclined plate; 87. Connecting rod; 88. Through-slot support rod; 89. Rack; 810. Rotating shaft 2; 811. Metal adsorption plate; 812. Gear. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-11One embodiment of the present invention is: a waste lithium battery efficient sorting and recycling device, including a recycling box 1, the recycling box 1 is used for crushing and sorting and recycling waste lithium battery waste after crushing, the inner surfaces of both sides of the recycling box 1 are rotatably connected with a rotating shaft 2, the circumferential surface of the rotating shaft 2 is fixedly connected with a crushing roller 3, the right side of the recycling box 1 is fixedly connected with an air intake pipe 4, the air intake pipe 4 is used to introduce inert gas such as nitrogen into the recycling box 1 to isolate oxygen, thereby preventing fire and explosion, and preventing material oxidation to improve the recovery purity, a screening magnetic separation device 7 is arranged inside the recycling box 1, the screening magnetic separation device 7 is used to preliminarily screen the crushed lithium battery waste by particle size and magnetic force, a bioleaching device 8 is arranged inside the recycling box 1, the bioleaching device 8, the bioleaching device 8 It is used to deeply screen and recycle lithium battery waste through microorganisms. When the waste lithium batteries are crushed, nitrogen is introduced into the recycling box 1 through the air inlet pipe 4. Nitrogen can isolate oxygen, prevent the lithium battery from burning and exploding, and prevent the material from oxidizing to improve the recycling purity and make the recycling more efficient. Nitrogen flows to the exhaust pipe 9 through the guidance of the guide baffle 5 and the vertical guide plate 6, and is finally discharged through the exhaust pipe 9 to avoid the waste gas from accumulating in the recycling box 1 and affecting the subsequent recycling effect. The recycling box 1 includes a guide baffle 5, which is fixedly connected to the inner wall of the recycling box 1. The guide baffle 5 concentrates the protective gas and lithium battery waste. The vertical guide plate 6 is fixedly connected to the upper surface of the guide baffle 5. The guide baffle 5 is used to further concentrate the protective gas, thereby facilitating discharge and exhaust. The pipe 9 is fixedly connected to the left side of the recycling box 1, the exhaust pipe 9 is used to discharge the protective gas, and the right end of the circumferential surface of the exhaust pipe 9 is fixedly connected to the mounting plate 10, and the mounting plate 10 is used to quickly install the exhaust pipe 9 on the recycling box 1. The recycling box 1 also includes a mounting sleeve 11, and the mounting sleeve 11 is threadedly connected to the inner surface of the right side of the exhaust pipe 9. The inner surface of the mounting sleeve 11 is fixedly connected to a filter plate 12, and the filter plate 12 is used to filter the protective gas and lithium battery waste to prevent the lithium battery waste from being discharged when the protective gas is discharged. The plug shaft 13 is slidably connected to the inner surfaces of the front and rear sides of the mounting plate 10, and the left end of the plug shaft 13 is fixedly connected to a knob 14. The circumferential surface of the plug shaft 13 is provided with an L-shaped slot 15, and the connecting shaft 16 is fixedly connected to the left side of the inner wall of the recycling box 1, and the connecting shaft 16 is close to the inner wall of the recycling box 1. One side of the near plug shaft 13 is fixedly connected with a card shaft 17, and a spring is provided between the right side of the knob 14 and the left side of the mounting plate 10. The card shaft 17 is slidably connected with the inner surface of the L-shaped card groove 15, and the plug shaft 13 slides from the left side of the recycling box 1 to pass through the left side of the inner wall of the recycling box 1, and the circumferential surface of the mounting sleeve 11 is sleeved with the left inner surface of the recycling box 1. The right side of the mounting plate 10 abuts against the left side of the recycling box 1, and the left and right ends of the vertical guide plate 6 are fixedly connected to the inner wall of the recycling box 1. The filter plate 12 can prevent waste from being discharged from the exhaust pipe 9 to prevent material waste. The mounting sleeve 11 is rotated and removed from the exhaust pipe 9, so as to quickly disassemble the filter plate 12, which is convenient for cleaning the filter plate 12 to prevent it from being blocked and causing exhaust gas accumulation. The knob 14 drives the plug shaft 13 to be pulled out of the recycling box 1.The exhaust pipe 9 can then be quickly disassembled, improving the convenience of using the device.

[0025] Working principle: throw the used lithium batteries that need to be recycled into the recycling box 1, and the rotation of the rotating shaft 2 drives the crushing roller 3 to rotate. The crushing roller 3 crushes the used lithium batteries. The lithium battery waste broken into blocks or sheets falls onto the guide partition 5, and is guided by the inclined surface of the guide partition 5 to slide to the left and concentrate. When the used lithium batteries are crushed, nitrogen is introduced into the recycling box 1 through the air inlet pipe 4. Nitrogen can isolate oxygen, prevent the lithium battery from burning and exploding, and prevent the material from oxidizing to improve the recycling purity and make the recycling more efficient. When the used lithium batteries are crushed, open the exhaust pipe 9, and the nitrogen in the recycling box 1 is guided by the guide partition 5 and the vertical guide plate 6 to flow to the exhaust pipe 9, and finally discharged through the exhaust pipe 9 to avoid the waste gas from accumulating in the recycling box 1 and affecting the subsequent recycling effect. When the waste gas flows into the exhaust pipe 9, it passes through the installation frame 11 and the filter plate 12. The filter plate 12 can prevent the waste from being discharged from the exhaust pipe 9 to prevent material waste. Rotate the installation frame 11 , rotate the mounting frame 11 out of the exhaust pipe 9 through the thread, so as to quickly disassemble the filter plate 12, which is convenient for cleaning the filter plate 12 to prevent it from being blocked and causing exhaust gas to accumulate. When installing the exhaust pipe 9, fit the mounting plate 10 with the recovery box 1, and the mounting plate 10 drives the plug shaft 13 to be inserted into the recovery box 1, twist the knob 14, and the knob 14 drives the opening of the L-shaped card slot 15 to align with the card shaft 17. When the plug shaft 13 is fully inserted into the recovery box 1, release the knob 14, and the torsion of the spring drives The knob 14 is twisted and reset, causing the card shaft 17 to slide into the closed end of the L-shaped card slot 15, thereby locking the plug shaft 13 and the mounting plate 10, and then quickly installing the exhaust pipe 9. When removing the exhaust pipe 9, the knob 14 is twisted again, and the knob 14 drives the L-shaped card slot 15 to rotate, so that the card shaft 17 is aligned with the opening of the L-shaped card slot 15 again. At this time, the knob 14 is pulled to the left, and the knob 14 drives the plug shaft 13 to be pulled out of the recycling box 1, and then the exhaust pipe 9 is quickly removed, thereby improving the convenience of using the device.

[0026] See also Figures 1-11On the basis of the above embodiment, in another embodiment of the present invention, the screening magnetic separation device 7 includes a screening box 71, which is fixedly connected to the lower surface of the left side of the guide partition 5. The inner surface of the screening box 71 is clamped with a trapezoidal electromagnetic plate 72, and the screen plate 73 is fixedly connected to the inner surface of the left side of the guide partition 5. The screen plate 73 is provided with sieve holes on the inside, and the screen plate 73 screens the lithium battery waste through the sieve holes. The pulling plate 74 is fixedly connected to the left side of the trapezoidal electromagnetic plate 72, and the left side of the pulling plate 74 is fixedly connected to a sealing strip 75. The screening of the sieve holes of the sieve plate 73 allows the crushed materials to be of the right size. The waste materials with small size fall into the screening box 71, while the large waste materials remain on the screen plate 73 for preliminary screening. The waste materials that fall into the screening box 71 fall onto the trapezoidal electromagnet plate 72, where the metal waste materials are adsorbed by the trapezoidal electromagnet plate 72, while the waste materials of other materials slide along the inclined surface to the right side of the bottom of the screening box 71, thereby quickly sorting out the metal waste and other waste materials. The screening magnetic separation device 7 also includes a closed box 76, which is fixedly connected to the right side of the recycling box 1. The inner surface of the top of the closed box 76 is slidably connected to a T-shaped transmission rod 77. The inner side of the top of the T-shaped transmission rod 77 A through slot is opened, and the runner 78 is fixedly connected to the right end of the rotating shaft 2. A convex shaft is provided on the right side of the runner 78, and the convex shaft is slidably connected to the inner surface of the through slot opened at the top of the T-shaped transmission rod 77. A slide 79 is opened on the right side of the recycling box 1, and a pressure rod 710 is slidably connected to the inner surface of the slide 79. The connecting column 711 is fixedly connected to the bottom surface of the inner wall of the screening box 71. The top of the connecting column 711 is hinged with a dial plate 712. The pull plate 74 abuts the inner surface of the left side of the recycling box 1, the sealing strip 75 abuts the inner surface of the left side of the recycling box 1, and the left side of the T-shaped transmission rod 77 and the right side of the runner 78 When the sieve 73 is unlocked, the sieve 73 is unlocked and the sieve 73 is unlocked, and the sieve 73 is unlocked.

[0027] Working principle: the waste materials gathered on the left side of the guide baffle 5 fall onto the sieve plate 73, and the waste materials with qualified size are screened by the sieve holes of the sieve plate 73 so as to fall into the screening box 71, while the large pieces of waste materials remain on the sieve plate 73 for preliminary screening. At this time, the trapezoidal electromagnetic plate 72 is activated, and the waste materials falling into the screening box 71 fall onto the trapezoidal electromagnetic plate 72 again. The metal waste materials are adsorbed by the trapezoidal electromagnetic plate 72, while the waste materials of other materials slide along the inclined surface to the right side of the bottom of the screening box 71, thereby quickly sorting out the metal waste and other waste materials. After the sorting is completed, the pull plate 74 is pulled to the left, and the pull plate 74 drives the trapezoidal electromagnetic plate 72 to move from the screening box 71 to the recycling bin. The scrap metal is pulled out of the box 1, and then the trapezoidal electromagnetic plate 72 is closed, which is convenient for quickly collecting metal scraps and improving the recycling efficiency of the device. When sorting is needed again, the trapezoidal electromagnetic plate 72 and the pull plate 74 are inserted into the screening box 71, and the rotation of the rotating shaft 2 drives the rotating wheel 78 to rotate. The rotating wheel 78 drives the T-shaped transmission rod 77 to slide up and down through the convex shaft, and the T-shaped transmission rod 77 drives the pressure rod 710 to slide up and down in the slide groove 79. When the pressure rod 710 slides up and down, it moves the dial plate 712, so that the dial plate 712 rotates and vibrates along the hinge with the connecting column 711 and knocks the screen plate 73, thereby shaking off the waste in the screen hole to prevent the screen plate 73 from being blocked, thereby further improving the sorting efficiency.

[0028] See also Figures 1-11On the basis of the above embodiment, in another embodiment of the present invention, the biological leaching device 8 includes an immersion box 81, which is arranged on the right side of the bottom of the recovery box 1, and a waste pipe 83 is fixedly connected to the left side of the immersion box 81. The water inlet pipe 82 is fixedly connected to the inner surface of the right side of the recovery box 1, the electromagnetic valve 1 84 is fixedly connected to the left side of the recovery box 1, and the electromagnetic valve 2 85 is fixedly connected to the front side of the immersion box 81. The microbial solvent is input into the immersion box 81 through the water inlet pipe 82. After the material is soaked in the microbial solvent, the metal elements that can be recycled are leached, and the leached metal adheres to the metal adsorption plate 811, which improves the recovery effect. Clean water rinses the metal on the metal adsorption plate 811. At this time, opening the electromagnetic valve 2 85 can make the metal flow out of the immersion box 81 and the recovery box 1, further improving the recovery effect. The biological leaching device 8 also includes a material guide inclined plate 86, which is fixedly connected to the right side of the bottom of the screening box 71. The connecting rod 87 is fixedly connected to the circumferential surface of the pressure rod 710, and the bottom end of the connecting rod 87 is fixedly connected to the rack 89. The through-slot support rod 88 is fixedly connected to the right side of the inner wall of the recovery box 1, and a through-slot is provided on the inner surface of the left end of the through-slot support rod 88. The second rotating shaft 810 is rotatably connected to the front and rear sides of the inner wall of the immersion box 81. The circumferential surface of the second rotating shaft 810 is fixedly connected to the metal adsorption plate 811, and the circumferential surface of the second rotating shaft 810 is fixedly connected to the gear 812. The second solenoid valve 85 passes through the front side of the inner wall of the recovery box 1 from the front side of the recovery box 1. The connecting rod 87 and the inner surface of the through-slot support rod 88 are slidably connected, and the gear 812 is meshed with the left side of the rack 89. During the mixing process of the microbial solvent and the material, the metal adsorption plate 811 stirs the microbial solvent, thereby improving the mixing efficiency and thereby improving the leaching efficiency of the metal elements. After the metal is leached, the metal adsorption plate 811 rotates back and forth to improve the contact efficiency with the metal elements, making it convenient to adsorb them, thereby improving the collection efficiency.

[0029] Working principle: the material that is not adsorbed by the trapezoidal electromagnet plate 72 slides into the immersion box 81 through the guide inclined plate 86, and the microbial solvent is input into the immersion box 81 through the water inlet pipe 82. After the material is soaked in the microbial solvent, the metal elements that can be recycled are leached out, and the leached metal adheres to the metal adsorption plate 811, which improves the recycling effect. At this time, the waste liquid in the immersion box 81 flows out of the immersion box 81 through the waste pipe 83 and accumulates at the bottom of the recovery box 1. Opening the solenoid valve 1 84 can discharge the waste liquid from the recovery box 1. At this time, clean water is input into the immersion box 81 through the water inlet pipe 82. The clean water washes away the metal on the metal adsorption plate 811. At this time, opening the solenoid valve 2 85, It can make the metal flow out of the leaching box 81 and the recovery box 1, further improving the recovery effect. The pressure rod 710 slides up and down, driving the connecting rod 87 to slide up and down in the through-groove support rod 88. The connecting rod 87 drives the rack 89 to move up and down. The rack 89 drives it to rotate back and forth by engaging with the gear 812. The gear 812 then drives the rotating shaft 2 810 and the metal adsorption plate 811 to rotate back and forth. During the mixing process of the microbial solvent and the material, the metal adsorption plate 811 stirs the microbial solvent, thereby improving the mixing efficiency and thereby improving the leaching efficiency of the metal elements. After the metal is leached, the metal adsorption plate 811 rotates back and forth to improve the contact efficiency with the metal elements, making it easier to adsorb them, thereby improving the collection efficiency.

[0030] The present invention provides a highly efficient waste lithium battery sorting and recycling device. Numerous methods and approaches exist for implementing this technical solution. The foregoing merely represents a preferred embodiment of the present invention. It should be noted that improvements and modifications could be made by those skilled in the art without departing from the principles of the present invention, and such improvements and modifications are considered within the scope of protection of the present invention. Components not specified in this embodiment may be implemented using existing technologies.

Claims

1. A high-efficiency sorting and recycling device for waste lithium batteries, characterized in that: include: A recycling box (1), the recycling box (1) is used for crushing and sorting and recycling waste lithium battery waste after crushing, the inner surfaces of both sides of the recycling box (1) are rotatably connected to a rotating shaft (2), the circumferential surface of the rotating shaft (2) is fixedly connected to a crushing roller (3), the right side of the recycling box (1) is fixedly connected to an air intake pipe (4), the air intake pipe (4) is used to introduce inert gas such as nitrogen into the recycling box (1) to isolate oxygen, thereby preventing fire and explosion, and preventing oxidation of materials to improve the recovery purity; A screening magnetic separation device (7), the screening magnetic separation device (7) being arranged inside the recycling box (1), and the screening magnetic separation device (7) being used to preliminarily screen the crushed lithium battery waste by particle size and magnetic force; A bioleaching device (8) is provided inside the recovery box (1), and is used for deep screening and recycling of lithium battery waste residues by microorganisms.

2. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 1 is characterized in that: The recycling box (1) comprises: A guide baffle (5), the guide baffle (5) being fixedly connected to the inner wall of the recovery box (1), and the guide baffle (5) concentrating the protective gas and the lithium battery waste; A vertical guide plate (6), wherein the vertical guide plate (6) is fixedly connected to the upper surface of the guide baffle (5), and the guide baffle (5) is used to further concentrate the protective gas, thereby facilitating discharge; An exhaust pipe (9) is fixedly connected to the left side of the recovery box (1), and the exhaust pipe (9) is used to discharge protective gas. The right end of the circumferential surface of the exhaust pipe (9) is fixedly connected to a mounting plate (10), and the mounting plate (10) is used to quickly mount the exhaust pipe (9) on the recovery box (1).

3. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 2 is characterized in that: The recycling box (1) further comprises: A mounting frame (11) is threadedly connected to the inner surface of the right side of the exhaust pipe (9), and a filter plate (12) is fixedly connected to the inner surface of the mounting frame (11). The filter plate (12) is used to filter the protective gas and the lithium battery waste to prevent the lithium battery waste from being discharged together with the protective gas; An inserting shaft (13), the inserting shaft (13) is slidably connected to the inner surfaces of the front and rear sides of the mounting plate (10), the left end of the inserting shaft (13) is fixedly connected to a knob (14), and the circumferential surface of the inserting shaft (13) is provided with an L-shaped slot (15); A connecting shaft (16) is fixedly connected to the left side of the inner wall of the recovery box (1), and a clamping shaft (17) is fixedly connected to the side of the connecting shaft (16) close to the insertion shaft (13).

4. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 3 is characterized in that: A spring is provided between the right side of the knob (14) and the left side of the mounting plate (10); the clamping shaft (17) and the inner surface of the L-shaped clamping groove (15) are slidably connected; the plug-in shaft (13) slides from the left side of the recycling box (1) through the left side of the inner wall of the recycling box (1); the circumferential surface of the mounting frame (11) is sleeved with the left inner surface of the recycling box (1); the right side of the mounting plate (10) is in contact with the left side of the recycling box (1); and the left and right ends of the vertical guide plate (6) are fixedly connected to the inner wall of the recycling box (1).

5. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 4 is characterized in that: The screening magnetic separation device (7) comprises: A screening box (71), the screening box (71) is fixedly connected to the lower surface of the left side of the guide baffle (5), and the inner surface of the screening box (71) is clamped with a trapezoidal electromagnet plate (72); a sieve plate (73), the sieve plate (73) being fixedly connected to the inner surface of the left side of the guide baffle (5), the sieve plate (73) having sieve holes formed on the inner side thereof, and the sieve plate (73) sieving the lithium battery waste through the sieve holes; A pull plate (74) is fixedly connected to the left side of the trapezoidal electromagnet plate (72), and a sealing strip (75) is fixedly connected to the left side of the pull plate (74).

6. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 5, characterized in that: The screening magnetic separation device (7) further comprises: A closed box (76), the closed box (76) is fixedly connected to the right side of the recovery box (1), the top inner surface of the closed box (76) is slidably connected to a T-shaped transmission rod (77), and the top inner side of the T-shaped transmission rod (77) is provided with a through groove; A rotating wheel (78), the rotating wheel (78) is fixedly connected to the right end of the rotating shaft (2), a convex shaft is provided on the right side of the rotating wheel (78), and the convex shaft is slidably connected to the inner surface of the through groove opened at the top of the T-shaped transmission rod (77); A chute (79), the chute (79) is provided on the right side of the recycling box (1), and a pressure rod (710) is slidably connected to the inner surface of the chute (79); A connecting column (711) is fixedly connected to the bottom surface of the inner wall of the screening box (71), and a dial plate (712) is hingedly connected to the top end of the connecting column (711).

7. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 6, characterized in that: The pull plate (74) abuts against the left inner surface of the recycling box (1), the sealing strip (75) abuts against the left inner surface of the recycling box (1), the left side of the T-shaped transmission rod (77) abuts against the right side of the rotating wheel (78), the right end of the pressure rod (710) is fixedly connected to the bottom end of the T-shaped transmission rod (77), and a torsion spring is provided at the hinge of the dial plate (712) and the connecting column (711).

8. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 7, characterized in that: The bioleaching device (8) comprises: A soaking box (81), the soaking box (81) is arranged on the right side of the bottom of the recovery box (1), and a waste pipe (83) is fixedly connected to the left side of the soaking box (81); A water inlet pipe (82), the water inlet pipe (82) is fixedly connected to the right inner surface of the recovery box (1); Solenoid valve 1 (84), said solenoid valve 1 (84) being fixedly connected to the left side of the recovery box (1); Solenoid valve 2 (85), said solenoid valve 2 (85) is fixedly connected to the front side of the dipping box (81).

9. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 7, characterized in that: The bioleaching device (8) further comprises: A material guide inclined plate (86), wherein the material guide inclined plate (86) is fixedly connected to the right side of the bottom of the screening box (71); A connecting rod (87), wherein the connecting rod (87) is fixedly connected to the circumferential surface of the pressure rod (710), and the bottom end of the connecting rod (87) is fixedly connected to a rack (89); A through-slot support rod (88), wherein the through-slot support rod (88) is fixedly connected to the right side of the inner wall of the recovery box (1), and a through-slot is provided on the inner surface of the left end of the through-slot support rod (88); The second rotating shaft (810) is rotatably connected to the front and rear sides of the inner wall of the dipping box (81), the circumferential surface of the second rotating shaft (810) is fixedly connected to the metal adsorption plate (811), and the circumferential surface of the second rotating shaft (810) is fixedly connected to the gear (812).

10. The high-efficiency sorting and recycling device for waste lithium batteries according to claim 7, characterized in that: The second solenoid valve (85) passes through the front side of the inner wall of the recovery box (1), the connecting rod (87) and the inner surface of the through-slot support rod (88) are slidably connected, and the gear (812) and the rack (89) are meshed and connected on the left side.

Citation Information

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