A ternary battery wet aluminum removal recovery reactor and recovery method

Abstract

The present invention discloses a ternary battery wet aluminum removal recovery reactor and a recovery method, and relates to the field of battery recovery technology. It comprises a reactor body, the top of which is fixedly connected with a No. 3 motor for controlling the rotation of a transmission shaft, and the outer wall of the transmission shaft is slidably connected with a partition assembly for dividing the inner cavity of the reactor body into a plurality of chambers. The present invention realizes continuous filtration by setting a filter assembly and an associated assembly, and designing the number of filter cartridges in a fixed frame to achieve alternating use of filter cartridges. When precipitation is generated in the filter cartridge, the precipitation will adhere to the inner wall of the filter cartridge. After filtering once in the filter cartridge, the cleaning assembly can clean the inner wall of the filter cartridge, and the collecting device can collect the precipitation. This design can quickly remove the precipitation in the filter cartridge, reduce the production rate of the precipitation due to the presence of the precipitation, and avoid the reduction of the precipitation, thereby ensuring the time required for filtration.

Description

Technical Field

[0001] The present invention relates to the technical field of battery recycling, and in particular to a ternary battery wet aluminum removal recovery reactor and a recovery method. Background Art

[0002] When the life cycle of ternary batteries ends and they are damaged beyond repair, they need to be properly disposed of and recycled to ease resource shortages and eliminate environmental pollution.

[0003] For example, in the "method and device for wet selective recovery of lithium from waste ternary lithium batteries" disclosed in the application number "CN115863816A", a feeding assembly is provided. When the lithium extracting agent is fed, the lithium extracting agent is placed in each feeding frame, and then the No. 2 motor is started. The No. 2 motor drives the feeding frame to slide on the inner wall of the rotating trough through the rotating shaft and the linkage rod, so that the lithium extracting agent is evenly sprinkled between each area dividing frame, thereby preliminarily improving the distribution uniformity of the lithium extracting agent. The feeding frame gradually becomes smaller from the outside to the inside, and the storage space between the area dividing frames also gradually becomes smaller from the outside to the inside. Through this feeding method, the ratio of the ternary positive electrode powder material and the lithium extracting agent is at an average value, thereby ensuring the lithium extraction uniformity between the lithium extracting agent and the ternary positive electrode powder material.

[0004] When the above-mentioned device is used to leach lithium, the lithium will not only adhere to the wall, but also to any area immersed in the mixed solution. Lithium will also be generated in the stirring structure and position of the above-mentioned device. Based on the dynamic equilibrium when lithium is generated, the lithium adhering to the immersed position will reduce the generation rate of new lithium, thereby affecting the speed of removing lithium ions from the mixed solution, resulting in an increase in the time spent on recovering lithium. The above-mentioned device can not only recover lithium, but also recover other precipitates. Since the precipitates will adhere to the immersed area, such as the viscosity and accumulation of aluminum precipitates, aluminum precipitates will also be generated in the immersed area, resulting in an increase in the time consumed in recovering other precipitates. For this reason, a ternary battery wet aluminum removal recovery reactor and recovery method are proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a ternary battery wet aluminum removal recovery reactor and recovery method to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a ternary battery wet aluminum removal recovery reactor, comprising a reactor body, the top of the reactor body is fixedly connected to a No. 3 motor for controlling the rotation of a transmission shaft, the outer wall of the transmission shaft is slidably connected to a partition assembly for dividing the inner cavity of the reactor body into a plurality of chambers, the discharge pipe of the reactor body is fixedly connected to a diverter device for controlling the flow direction of a liquid, and the discharge end of the diverter device is fixedly connected to a filter device for filtering particulate matter;

[0007] The filtering device comprises a fixing frame, which is fixedly mounted on the top of the reactor body, a filter cartridge for filtering particles is fixedly connected to the inside of the fixing frame, and a cleaning assembly for cleaning the filter cartridge is installed inside the fixing frame;

[0008] The interior of the fixed frame is equipped with an associated component for limiting the outflow of liquid from the filter cartridge and controlling the flow direction of liquid in the diversion device, and the associated component includes a telescopic member No. 1, which is fixedly installed inside the fixed frame, a telescopic end of the telescopic member No. 1 is fixedly connected to a movable plate, one side of the movable plate is fixedly connected to a spring shock-absorbing damper, the telescopic end of the spring shock-absorbing damper is fixedly connected to a sealing cover, the top of the interior of the fixed frame is fixedly connected to a U-shaped plate, a connecting flexible belt for preventing liquid from flowing out is fixedly connected between the sealing cover, the interior of the U-shaped plate and the fixed frame, the sealing cover and the movable plate are slidably connected, and several sealing covers are molded together to limit the outflow of liquid from the filter cartridge, the telescopic end of the telescopic member No. 1 controls the sealing covers that were originally in contact to separate by telescopic control, and the solution on the inner wall of the filter cartridge passes through the gap between the sealing covers and moves to the inner cavity of the reactor body through the channel formed by the U-shaped plate and the connecting flexible belt.

[0009] Furthermore, the partition assembly includes a partition member, the inner wall of the partition member is slidably connected to the outer wall of the transmission shaft, the outer wall of the partition member is rotatably connected to the movable inner ring, the outer wall of the movable inner ring is slidably connected to the inner wall of the reactor body, the interior of the movable inner ring is equipped with a No. 1 pump body for moving the liquid above the partition assembly to the bottom of the partition assembly, the movable inner ring is equipped with a No. 3 valve for communicating the liquid above the partition assembly with the liquid below, the top and bottom ends of the partition member are respectively fixedly connected with impellers for stirring the liquid, the No. 1 pump body increases the pressure of the liquid in the partition assembly and controls the rise of the partition assembly by moving the liquid above the partition assembly to the bottom of the partition assembly, the No. 3 valve communicates the liquid above the partition assembly with the liquid below, and the partition assembly descends in the liquid because the overall density is greater than the liquid density.

[0010] Furthermore, the cleaning assembly includes a No. 2 motor, which is fixedly installed inside the fixed frame, and the output end of the No. 2 motor is fixedly connected to a turntable, and the bottom end of the turntable is rotatably connected to the top end of the filter cartridge, and one end of the turntable is rotatably connected to a cleaning roller, and the outside of the cleaning roller is fixedly connected to a protrusion for penetrating into and cleaning the sieve holes on the filter cartridge, and the top end of the filter cartridge is fixedly connected to an internal toothed ring, and the top end of the cleaning roller is fixedly connected to a gear part, and the outer wall of the gear part is meshed with the inner wall of the internal toothed ring, and the bottom end of the cleaning roller is rotatably connected to a sealing disk, and the outer wall of the sealing disk is rotatably connected to the inside of the fixed frame.

[0011] Furthermore, the associated component includes a transmission rod, the bottom end of the transmission rod is rotatably connected to the bottom end of the fixed frame, the outer wall of the transmission rod is fixedly connected to a connecting plate, one side of the connecting plate is fixedly connected to a fixed rod, and one side of the movable plate is fixedly connected to a limiting frame for cooperating with the fixed rod. The feeding direction in the diverter device is changed by controlling the rotation of the transmission rod, and a flow change component for controlling the feeding direction in the diverter device based on the rotation of the transmission rod is installed between the transmission rod and the diverter.

[0012] Furthermore, a collecting device is fixedly connected inside the fixing frame, and the collecting device includes a collecting box, which is installed at the bottom end of the fixing frame, and a No. 2 telescopic member is fixedly connected inside the collecting box, and the telescopic end of the No. 2 telescopic member is rotatably connected to a sealing top cover, and the top end of the sealing top cover and the bottom end of the sealing disk are slidably connected.

[0013] Furthermore, the diversion device includes a diversion pipe, the discharge end of the diversion pipe and the feed end of the filter cartridge are fixed, the solution inside the reactor body is moved to the inner wall of the filter cartridge through the diversion pipe, the internal rotation of the diversion pipe is connected with a guide member, the top end of the transmission rod passes through the bottom end of the diversion pipe and is fixed to the bottom end of the guide member, and the inside of the guide member is provided with a guide hole for facilitating the passage of liquid.

[0014] Furthermore, the flow-changing assembly includes a No. 1 gear, which is fixedly mounted on the top of the transmission rod, a rack rod is slidably connected inside the fixed frame, an outer wall of the No. 1 gear is meshed with one side of the rack rod, a No. 2 gear is rotatably connected inside the fixed frame, an outer wall of the No. 2 gear is meshed with one side of the rack rod, a transmission member is fixedly connected to the top of the No. 2 gear, and the top of the transmission member passes through the bottom end of the shunt pipe and is fixed to the bottom end of the guide member.

[0015] A ternary battery wet aluminum removal and recovery method, using the above-mentioned ternary battery wet aluminum removal and recovery reactor, the recovery method comprises:

[0016] Slurry preparation: ternary battery black powder and water are mixed and stirred, and the theoretical mass ratio between the ternary battery black powder and water is 1-1.3:1 to obtain raw slurry;

[0017] Leaching: stirring and mixing the original pulp and the immersion liquid in the reactor body, the theoretical mass ratio between the original pulp and the immersion liquid is 1:0.9-1.4, to obtain a mixed solution;

[0018] Copper removal: the mixed solution in the reactor body is moved to the inner space of the filter cartridge, an alkaline solution is added to adjust the pH of the mixed solution, the pH value of the mixed solution is controlled to be within the range of 3-5, the temperature inside the fixed frame is controlled to be within 60-70 degrees Celsius, and sodium thiosulfate is added. After stirring the reaction, the mixture is filtered using a filter cartridge to obtain a copper removal mother liquor and copper precipitate, and the copper removal mother liquor is moved to the inner chamber of the reactor body;

[0019] Aluminum removal: the copper removal mother liquor in the reactor body is moved to the inner space of the filter cartridge, the copper removal solution and the precipitant are mixed, stirred for reaction, and then filtered through the filter cartridge to obtain an aluminum removal solution and aluminum precipitate, and the aluminum removal solution is moved to the inner chamber of the reactor body;

[0020] Acid leaching: Move the aluminum removal solution in the reactor body to the inner space of the filter cartridge, mix the aluminum removal solution with the acid solution to obtain a mixed solution No. 1, control the temperature to be between 90 and 100 degrees Celsius for 1 to 2 hours, and keep the interior of the fixed frame in a negative pressure state to obtain an acid leaching solution. The theoretical mass ratio between the aluminum removal solution and the acid solution is 1:0.9-1.4;

[0021] Aging: adding alkali solution to the acid leaching solution in the inner space of the filter cartridge for aging, adjusting the pH value of the acid leaching solution according to the alkali solution, controlling the pH value of the acid leaching solution to be within the range of 4-5, filtering through the filter cartridge, filtering and separating to obtain nickel-cobalt-manganese ternary precursor solid material and lithium-containing solution.

[0022] Furthermore, the immersion liquid includes an acidic liquid and an alkaline liquid, the aging temperature is 5-10°C, and stirring is performed for 2-4 hours. The fixing frame is under negative pressure, and the moisture inside the filter cartridge is moved out of the fixing frame under negative pressure.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The ternary battery wet aluminum removal recovery reactor and recovery method can realize continuous filtration by setting the filter component and the related components and designing the number of filter cartridges in the fixed frame to achieve alternating use of the filter cartridges. When precipitation is generated in the filter cartridge, the precipitation will adhere to the inner wall of the filter cartridge. After one filtration in the filter cartridge, the cleaning component can clean the inner wall of the filter cartridge. At the same time, the cleaning component can clean itself while rotating and self-rotating. The collecting device collects the precipitation. The design can quickly remove the precipitation in the filter cartridge, reduce the production rate of the precipitation due to the presence of the precipitation, and avoid the reduction of the precipitation, thereby ensuring the time required for filtration.

[0025] At the same time, through the overall design of the device, leaching, copper removal, aluminum removal, acid leaching and aging in the recovery method can all be carried out in the reactor. The presence of the partition assembly enables separation between the unfiltered solution and the filtered solution. The design of the cleaning assembly enables the sieve holes on the filter cartridge to be cleaned in a timely and effective manner, avoiding clogging of the sieve holes and improving the filtration efficiency. The sliding connection between the drive shaft and the partition assembly allows the liquid to move flexibly between the top and bottom of the partition assembly, thereby achieving stirring and separation of the liquid at the same time.

[0026] The coordinated use of the diversion device and associated components can accurately control the flow direction and diversion of the liquid, ensuring that the liquid in the reaction process can flow in the expected direction and flow rate. At the same time, the use of associated components allows the filter cartridges to be used alternately, thereby achieving continuous filtration of the solution. The design of the flow change component enables the rotation of the transmission rod to control the change of the feeding direction in the diversion device, thereby achieving control of the flow direction in several diversion devices, ensuring the feasibility of using the filtration device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is an isometric view of the present invention;

[0028] Figure 2 is a cross-sectional view of the present invention;

[0029] Figure 3 is an isometric view of the partition assembly of the present invention;

[0030] Figure 4 is an isometric view of the interior of the fixing frame of the present invention;

[0031] Figure 5 isometric view of the components associated with the present invention;

[0032] Figure 6 isometric drawing of the present invention;

[0033] Figure 7 is a cross-sectional view of the associated components of the present invention;

[0034] Figure 8 is a cross-sectional view of a cleaning assembly of the present invention;

[0035] Fig. 9 is a cross-sectional view of the flow diversion device of the present invention;

[0036] Fig.10 It is a front view of the flow-changing assembly of the present invention;

[0037] Fig.11 Flow chart of the method of the present invention.

[0038] In the figure: 1, reactor body; 2, partition assembly; 201, partition member; 202, moving inner ring; 203, pump body No. 1; 204, impeller; 205, valve No. 3; 3, motor No. 3; 4, filter device; 401, fixed frame; 402, filter cartridge; 5, flow diversion device; 501, flow diversion pipe; 502, flow guide; 6, associated components; 601, connecting plate; 602, fixed rod; 603, limiting frame; 604, transmission rod; 605, telescopic member No. 1; 606, moving plate; 607 , spring shock-absorbing damper; 608, sealing cover; 609, connecting flexible belt; 610, U-shaped plate; 7, cleaning assembly; 701, No. 2 motor; 702, turntable; 703, cleaning roller; 704, protrusion; 705, inner tooth ring; 706, gear part; 707, sealing disk; 8, collecting device; 801, collecting box; 802, No. 2 telescopic part; 803, sealing top cover; 9, flow change assembly; 901, No. 1 gear; 902, rack rod; 903, No. 2 gear; 904, transmission part. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0040] like Figure 1 - Fig.11 As shown, the present invention provides a technical solution: a ternary battery wet aluminum removal recovery reactor, comprising a reactor body 1, a No. 3 motor 3 for controlling the rotation of a transmission shaft is fixedly connected to the top of the reactor body 1, a partition assembly 2 for dividing the inner cavity of the reactor body 1 into a plurality of chambers is slidably connected to the outer wall of the transmission shaft, a diverter device 5 for controlling the flow direction of a liquid is fixedly connected to the discharge pipe of the reactor body 1, and a filter device 4 for filtering particulate matter is fixedly connected to the discharge end of the diverter device 5;

[0041] The filtering device 4 comprises a fixing frame 401, which is fixedly mounted on the top of the reactor body 1, a filter cartridge 402 for filtering particles is fixedly connected to the inside of the fixing frame 401, and a cleaning assembly 7 for cleaning the filter cartridge 402 is installed inside the fixing frame 401;

[0042] The interior of the fixed frame 401 is provided with an associated component 6 for limiting the outflow of the liquid inside the filter cartridge 402 and controlling the flow direction of the liquid in the diversion device 5. The associated component 6 includes a telescopic member 605, which is fixedly installed inside the fixed frame 401. The telescopic end of the telescopic member 605 is fixedly connected to a moving plate 606, one side of the moving plate 606 is fixedly connected to a spring damper 607, the telescopic end of the spring damper 607 is fixedly connected to a sealing cover 608, the top of the interior of the fixed frame 401 is fixedly connected to a U-shaped plate 610, and the sealing cover 608 is fixedly connected to the U-shaped plate 610. 08. The interior of the U-shaped plate 610 and the fixed frame 401 are fixedly connected to each other through a flexible connecting belt 609 to prevent liquid from flowing out. The sealing cover 608 and the movable plate 606 are slidably connected. Several sealing covers 608 are molded together to limit the outflow of liquid from the filter cartridge 402. The telescopic end of the No. 1 telescopic member 605 controls the sealing covers 608 that were originally in contact to separate through telescopic control. The solution on the inner wall of the filter cartridge 402 passes through the gap between the sealing covers 608 and moves to the inner cavity of the reactor body 1 through the channel formed by the U-shaped plate 610 and the connecting flexible belt 609.

[0043] Furthermore, the partition assembly 2 includes a partition member 201, the inner wall of the partition member 201 is slidably connected to the outer wall of the transmission shaft, the outer wall of the partition member 201 is rotatably connected to the movable inner ring 202, the outer wall of the movable inner ring 202 is slidably connected to the inner wall of the reactor body 1, and the interior of the movable inner ring 202 is installed with a No. 1 pump body 203 for moving the liquid above the partition assembly 2 to the bottom of the partition assembly 2, and a No. 3 valve 205 is installed on the movable inner ring 202 for achieving communication between the liquid above the partition assembly 2 and the liquid below the partition assembly 2. The top and bottom ends of the partition member 201 are respectively fixedly connected with impellers 204 for stirring the liquid. The No. 1 pump body 203 increases the pressure of the liquid in the partition assembly 2 by moving the liquid above the partition assembly 2 to the bottom of the partition assembly 2, thereby controlling the rise of the partition assembly 2. The No. 3 valve 205 achieves communication between the liquid above the partition assembly 2 and the liquid below the partition assembly 2. Since the overall density of the partition assembly 2 is greater than the density of the liquid, the partition assembly 2 descends in the liquid.

[0044] Furthermore, the cleaning component 7 includes a No. 2 motor 701, which is fixedly installed inside the fixed frame 401, and the output end of the No. 2 motor 701 is fixedly connected to a turntable 702, the bottom end of the turntable 702 is rotatably connected to the top end of the filter cartridge 402, one end of the turntable 702 is rotatably connected to a cleaning roller 703, the outside of the cleaning roller 703 is fixedly connected to a protrusion 704 for penetrating into and cleaning the sieve holes on the filter cartridge 402, the top end of the filter cartridge 402 is fixedly connected to an inner toothed ring 705, the top end of the cleaning roller 703 is fixedly connected to a gear member 706, the outer wall of the gear member 706 is meshed with the inner wall of the inner toothed ring 705, the bottom end of the cleaning roller 703 is rotatably connected to a sealing disk 707, and the outer wall of the sealing disk 707 is rotatably connected to the inside of the fixed frame 401.

[0045] Furthermore, the associated components include a transmission rod 604, the bottom end of the transmission rod 604 is rotatably connected to the bottom end of the fixed frame 401, the outer wall of the transmission rod 604 is fixedly connected to a connecting plate 601, one side of the connecting plate 601 is fixedly connected to a fixed rod 602, one side of the movable plate 606 is fixedly connected to a limiting frame 603 for cooperating with the fixed rod 602, the feeding direction in the diverter device 5 is changed by controlling the rotation of the transmission rod 604, and a flow change component 9 for controlling the feeding direction in the diverter device 5 based on the rotation of the transmission rod 604 is installed between the transmission rod 604 and the diverter device 5.

[0046] Furthermore, the interior of the fixed frame 401 is fixedly connected with a collecting device 8, and the collecting device 8 includes a collecting box 801, and the collecting box 801 is installed at the bottom end of the fixed frame 401, and the interior of the collecting box 801 is fixedly connected with a No. 2 telescopic member 802, and the telescopic end of the No. 2 telescopic member 802 is rotatably connected with a sealing top cover 803, and the top end of the sealing top cover 803 and the bottom end of the sealing disk 707 are slidably connected.

[0047] Furthermore, the diverter device 5 includes a diverter tube 501, the discharge end of the diverter tube 501 and the feed end of the filter cartridge 402 are fixed, the solution inside the reactor body 1 is moved to the inner wall of the filter cartridge 402 through the diverter tube 501, the internal rotation of the diverter tube 501 is connected with a guide member 502, the top end of the transmission rod 604 passes through the bottom end of the diverter tube 501 and is fixed to the bottom end of the guide member 502, and the inside of the guide member 502 is provided with a guide hole for facilitating the passage of liquid.

[0048] Furthermore, the flow-changing assembly 9 includes a No. 1 gear 901, which is fixedly mounted on the top of the transmission rod 604, a rack rod 902 is slidably connected to the inside of the fixed frame 401, an outer wall of the No. 1 gear 901 is meshed with one side of the rack rod 902, a No. 2 gear 903 is rotatably connected to the inside of the fixed frame 401, an outer wall of the No. 2 gear 903 is meshed with one side of the rack rod 902, a transmission member 904 is fixedly connected to the top of the No. 2 gear 903, and the top of the transmission member 904 passes through the bottom end of the shunt pipe 501 and is fixed to the bottom end of the guide member 502.

[0049] A ternary battery wet aluminum removal and recovery method, using the above-mentioned ternary battery wet aluminum removal and recovery reactor, the recovery method comprises:

[0050] Slurry preparation: ternary battery black powder and water are mixed and stirred, and the theoretical mass ratio between the ternary battery black powder and water is 1-1.3:1 to obtain raw slurry;

[0051] Leaching: stirring and mixing the original pulp and the immersion liquid in the reactor body 1, the theoretical mass ratio between the original pulp and the immersion liquid is 1:0.9-1.4, to obtain a mixed solution;

[0052] Copper removal: the mixed solution in the reactor body 1 is moved to the inner space of the filter cartridge 402, an alkaline solution is added to adjust the pH of the mixed solution, the pH value of the mixed solution is controlled to be within the range of 3-5, the internal temperature of the fixed frame 401 is controlled to be within the range of 60-70 degrees Celsius, and sodium thiosulfate is added. After stirring for reaction, the mixture is filtered using the filter cartridge 402 to obtain a copper removal mother liquor and copper precipitate, and the copper removal mother liquor is moved to the inner chamber of the reactor body 1;

[0053] Aluminum removal: the copper removal mother liquor in the reactor body 1 is moved to the inner space of the filter cartridge 402, the copper removal solution and the precipitant are mixed, stirred for reaction, and then filtered through the filter cartridge 402 to obtain an aluminum removal solution and aluminum precipitate, and the aluminum removal solution is moved to the inner chamber of the reactor body 1;

[0054] Acid leaching: the aluminum removal solution in the reactor body 1 is moved to the inner space of the filter cartridge 402, the aluminum removal solution is mixed with the acid solution to obtain a mixed solution No. 1, the temperature is controlled to be within 90-100 degrees Celsius for 1-2 hours, and the interior of the fixed frame 401 is continuously kept in a negative pressure state to obtain an acid leaching solution, and the theoretical mass ratio between the aluminum removal solution and the acid solution is 1:0.9-1.4;

[0055] Aging: adding alkali solution to the acid leaching solution in the inner space of the filter cartridge 402 for aging, adjusting the pH value of the acid leaching solution according to the alkali solution, controlling the pH value of the acid leaching solution to be within the range of 4-5, filtering through the filter cartridge 402, filtering and separating to obtain nickel-cobalt-manganese ternary precursor solid material and lithium-containing solution.

[0056] Furthermore, the immersion liquid includes an acidic liquid and an alkaline liquid, the aging temperature is 5-10°C, and stirring is performed for 2-4 hours. The fixing frame 401 is under negative pressure, and the moisture inside the filter cartridge 402 is moved out of the fixing frame 401 under negative pressure.

[0057] The solution inside the reactor body 1 is moved to the inside of the filter cartridge 402 in the fixed frame 401. At this time, the outside of the filter cartridge 402 is surrounded by the sealing cover 608. Therefore, the solution inside the filter cartridge 402 can only be on the inner wall of the filter cartridge 402. The cleaning component 7 is started, and the diversion component feeds into the inside of the filter cartridge 402. At this time, sediment will be generated. At this time, the cleaning component 7 can clean the sediment attached to other structures during the stirring process. Then, the telescopic end of the No. 1 telescopic member 605 is controlled to move, and the sealing cover 608 is moved through the transmission. A gap appears between the two sealing covers 608, which makes The solution inside the filter cartridge 402 returns to the interior of the reactor body 1 through the gap between the sealing covers 608. Due to the presence of the partition assembly 2, the solution that has not passed through the filter device 4 is separated from the solution that has passed through the filter device 4 to avoid contact between the two. The telescopic end of the No. 1 telescopic member 605 is controlled to move, so that a gap appears between the sealing covers 608 that originally wrapped the filter cartridge 402, so that the sealing covers 608 that were originally separated are in contact, and the diversion device 5 is controlled by the associated assembly 6 to feed the filter cartridge 402. The two filter cartridges 402 perform filtering and other operations alternately, thereby achieving a continuous filtration effect in the process.

[0058] A heating device is installed inside the reactor, and the temperature of the reactor and the solution inside the reactor can be controlled by the heating device. A number of through pipes are installed on the reactor to connect the inside and the outside of the reactor. Feeding into the reactor can be achieved through the through pipes, and the inside of the reactor can be controlled to be in a vacuum state through a vacuum device. A detection instrument that can detect the pH value of the solution in real time is installed inside the filter cartridge 402. A flow meter that can record the fluid flow rate when feeding is installed at the feed end of the diverter device 5. The amount of feed added by the diverter device 5 when feeding the filter cartridge 402 can be understood through the flow meter.

[0059] Telescopic member No. 1 605 and telescopic member No. 2 802 can respectively realize the telescopic ends thereof. There are prior arts for telescopic member No. 1 605 and telescopic member No. 2 802. The telescopic end of telescopic member No. 1 605 moves to control the movement of movable plate 606. Spring shock-absorbing damper 607 and sealing cover 608 move synchronously. The existence of spring shock-absorbing damper 607 allows the distance between movable plate 606 and sealing cover 608 to change. When several sealing covers 608 form a sealed space, spring shock-absorbing damper 607 allows pressure to be formed between sealing covers 608 so as to ensure the stability of the sealed space during use. Meanwhile, sealing rings also exist between sealing covers 608 and between sealing covers 608 and filter cartridge 402. Sealing rings can improve the sealing degree of the sealed space. Meanwhile, spring shock-absorbing damper 607 allows the distance between sealing cover 608 and movable plate 606 to be variable.

[0060] like Figure 2 and Figure 3 As shown, the output end of the third motor 3 rotates, and a transmission groove is provided on the outer wall of the transmission shaft. The interior of the movable inner ring 202 can be slidably connected with the outer wall of the transmission shaft through the transmission groove. The impeller 204 rotates through the transmission of the transmission shaft and the partition member 201. The rotation of the impeller 204 will stir the solution inside the reactor body 1. When started, the impeller 204 starts to rotate at a high speed. The rotating impeller 204 drives the water flow to generate strong vortex and impact force. The water flow and vortex make the solution roll continuously, thereby achieving the purpose of stirring. In order to ensure that the impeller 204 stirs the solution in the inner cavity of the reactor, the output end of the third motor 3 adopts a variable speed processing. The variable speed processing machine controls the rotation of the output end of the third motor 3 so that it does not output at a steady speed, thereby ensuring the stirring effect of the impeller 204 on the solution. When the liquid needs to be stirred in the reactor body 1, the position of the partition assembly 2 inside the reactor body 1 can be controlled to increase the stirring effect of the liquid.

[0061] Pump body No. 1 203 is started to pressurize the solution below the partition member 201. The pressure below increases, and pressure is applied to the partition member 201 above the solution, thereby causing the partition member 201 to move upward. When the partition member 201 needs to be lowered, it is only necessary to open valve No. 3 205. Since the overall density of the partition assembly 2 is greater than the density of the solution inside the reactor, after opening valve No. 3 205, the partition assembly 2 applies pressure to the solution below, causing the solution to move from the position of valve No. 3 205 to the top of the partition assembly 2, and the partition assembly 2 descends. The above operation can realize the control of the partition assembly 2 to move arbitrarily in the internal chamber of the reactor body 1.

[0062] like Figure 4 , Figure 5 and Figure 6As shown, the flow diverter 5 can be used to pass the solution into one of the sealed spaces formed by a plurality of sealing covers 608 inside the fixed frame 401. When the solution is passed, the associated component 6 is used to control the flow diverter 5 to pass the solution and the precipitation agent into the sealed space. The solution passes through the diverter pipe 501, and the guide member 502 controls the flow direction of the solution by rotating. Due to the differences in specific processes, the precipitation agents used for specific processes are different. Therefore, the flow diverter 5 for passing the precipitation agent has a diverter feed pipe, and the main valve at the feed end of the flow diverter 5 is controlled to achieve control. Different liquids enter the filter cartridge 402, the telescopic end of the first telescopic member 605 is telescoped, the moving plate 606 is moved, and the connecting plate 601 is rotated through the fixing rod 602 and the limiting frame 603, so that the sealing cover 608 can be separated. At this time, the liquid inside the filter cartridge 402 can be moved to the inside of the reactor body 1 through the channel formed by the connecting flexible belt 609 and the U-shaped plate 610. By setting the filter assembly and the associated assembly 6, and designing the number of filter cartridges 402 in the fixing frame 401, the filter cartridges 402 can be used alternately, and continuous filtration can be achieved. When precipitation is generated in the filter cartridge 402, the precipitation will adhere to the inner wall of the filter cartridge 402. When there is no solution in the filter cartridge 402, the cleaning component 7 can clean the inner wall of the filter cartridge 402, and the collecting device 8 collects the precipitation. This design can quickly remove the precipitation in the filter cartridge 402, reduce the production rate of the precipitation due to the presence of the precipitation, and thus ensure the time required for filtration. The coordinated use of the diversion device 5 and the associated component 6 can accurately control the flow direction and diversion of the liquid, ensuring that the liquid in the reaction process can flow in the expected direction and flow rate. At the same time, the use of the associated component 6 makes the filtration The cylinders 402 are used alternately to achieve continuous filtration of the solution. The design of the flow-changing component 9 enables the rotation of the transmission rod 604 to control the change of the feeding direction in the diverter device 5, thereby achieving the control of the flow direction in several diverter devices 5, ensuring the feasibility of using the filtration device 4. In the diverter device 5 associated with the flow-changing component 9, the transmission rod 604 is fixedly connected to the outside with a first gear 901. The first gear 901 rotates, and through the transmission of the rack rod 902, the second gear 903 and the transmission member 904, the guide members 502 in the remaining diverter devices 5 rotate.

[0063] The output end of the second motor 701 causes the turntable 702 and the cleaning roller 703 to rotate, and the gear part 706 rotates with the rotation of the cleaning roller 703. At the same time, it is meshed with the inner tooth ring 705, so that the gear part 706 rotates during the rotation process. The protrusion 704 and the filter cartridge 402 rotate synchronously with the gear part 706. The protrusion 704 can clean the sieve holes on the filter cartridge 402 during the rotation process.

[0064] The filtered solution will be moved to the reactor, but at this time, the presence of the partition assembly 2 in the reactor divides the inner cavity of the reactor into several chambers. In this way, the filtered solution and the unfiltered solution are prevented from contacting each other, thereby preventing the material composition of the generated particles in the unfiltered solution from being reduced, which in turn affects the subsequent particle generation rate. Therefore, the presence of the partition assembly 2 can divide the reactor chamber into two chambers. Due to the mutual cooperation of multiple partition assemblies 2, the interior of the reactor chamber is divided into several chambers. The rotation of the partition assembly 2 can also stir the interior of the reactor chamber, and at the same time, it can avoid the filtered solution and the unfiltered solution from contacting each other.

[0065] By controlling pump body No. 1 203, solution is transported to the chamber below the partition member 201, so that the internal pressure of the chamber below increases, and force is applied to the partition member 201, thereby causing the partition assembly 2 to rise. When the partition assembly 2 needs to be lowered, it is only necessary to open valve No. 3 205, so that the upper and lower chambers of the partition assembly 2 are connected. Since the overall density of the partition assembly 2 is greater than the density of the solution, the partition assembly 2 descends.

[0066] like Figure 8As shown, the telescopic end of the second telescopic member 802 is retracted, the sealing top cover 803 and the sealing disk 707 are separated, and the cleaning component 7 is cleaned at the same time. At this time, water can be introduced into the filter cartridge 402 through the diverter device 5 to flush the particles inside the filter cartridge 402 into the collection box 801. At this time, although there is a gap between the two sealing covers 608, by controlling the flow rate of water entering the filter cartridge 402 to be less than the flow rate of the fluid that can pass between the sealing top cover 803 and the sealing disk 707, the situation of water moving to the outer wall of the filter cartridge 402 can be reduced. At the same time, a valve is installed between the discharge end of the fixed frame 401 and the feed end of the reactor. Therefore, it is possible to avoid water entering the reactor body 1 when cleaning the filter cartridge 402. Through the overall design of the device, leaching, copper removal, aluminum removal, acid leaching and aging in the recovery method can all be carried out in the reactor, wherein the presence of the partition assembly 2 makes the unfiltered solvent The liquid and the filtered solution are separated. The design of the cleaning component 7 enables the sieve holes on the filter cartridge 402 to be cleaned in a timely and effective manner, avoiding clogging of the sieve holes and improving the filtering efficiency. The sliding connection between the drive shaft and the partition component 2 allows the liquid to be flexibly moved between the upper and lower parts of the partition component 2, so that stirring can be achieved and the liquid can be separated at the same time. According to the process operation, the filtration in the copper removal process is first performed, and then the filtration in the aluminum removal process is performed. At the same time, the filtration in the subsequent aging process can all be achieved by the filtering device 4. In the process, the mixed solution is mixed with sodium thiosulfate to generate copper precipitate, the copper removal mother liquor and the precipitant are mixed to generate aluminum precipitate, and alkali is added to the acid leaching solution for aging to generate nickel-cobalt-manganese ternary precursor solid material, which can be processed to obtain the metal material required later.

[0067] The delivery pipe in the inner cavity of the reactor conveys the solution to the space formed by the sealing cover 608 through the No. 2 pump body and combined with the diversion device 5, and the inner wall of the sealing cover 608 is adapted to the outer wall of the filter cartridge 402. At this time, the solution inside the space is restricted by the sealing cover 608 and is thus inside the filter cartridge 402. Another diversion device 5 continuously introduces a precipitant, which is mixed with the solution. At this time, a precipitate is generated. The cleaning roller 703 in the cleaning component 7 can stir the solution inside the filter cartridge 402 by rotating itself to accelerate the generation rate of the precipitate. At this time, there will be precipitates adhering to the inside of the filter cartridge 402, the sieve holes on the filter cartridge 402, and the outer wall of the cleaning roller 703.

[0068] The purpose of the leaching step is to use the chemical substances in the leaching solution to dissolve the valuable metals (such as nickel, cobalt, manganese, etc.) in the original pulp to form a mixed solution. The leaching solution is usually an acidic solution (such as sulfuric acid, hydrochloric acid, etc.). The alkaline solution is one or a combination of at least two of sodium carbonate, sodium hydroxide, calcium hydroxide, potassium hydroxide, and barium hydroxide solutions. After adding sodium thiosulfate, copper ions will react with sodium thiosulfate to form insoluble copper precipitates. By filtering, a copper removal mother liquor and copper precipitate can be obtained. The ternary battery black powder is the product of crushing and grinding the ternary battery. The method systematically realizes the effective removal of aluminum in the ternary battery black powder and the recovery of the nickel-cobalt-manganese ternary precursor and the lithium-containing solution through the steps of slurry adjustment, leaching, copper removal, aluminum removal, acid leaching and aging. In the copper removal and aluminum removal steps, the effective removal of copper and aluminum is achieved by adjusting the pH value and temperature of the mixed solution and adding a specific precipitant, while minimizing the loss of valuable elements such as nickel, cobalt and manganese. The reactor and method can be combined, wherein the copper removal, aluminum removal, acid leaching and aging processes can all be carried out in the reactor.

[0069] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A ternary battery wet aluminum removal recovery reactor, comprising a reactor body (1), characterized in that: The top of the reactor body (1) is fixedly connected to a No. 3 motor (3) for controlling the rotation of a transmission shaft, the outer wall of the transmission shaft is slidably connected to a partition assembly (2) for dividing the inner cavity of the reactor body (1) into a plurality of chambers, the discharge pipe of the reactor body (1) is fixedly connected to a flow diversion device (5) for controlling the flow direction of liquid, and the discharge end of the flow diversion device (5) is fixedly connected to a filtering device (4) for filtering particulate matter; The filtering device (4) comprises a fixing frame (401), the fixing frame (401) being fixedly mounted on the top of the interior of the reactor body (1), a filter cartridge (402) for filtering particles being fixedly connected to the interior of the fixing frame (401), and a cleaning assembly (7) for cleaning the filter cartridge (402) being installed inside the fixing frame (401); An associated component (6) for limiting the outflow of liquid from the filter cartridge (402) and controlling the flow direction of liquid in the flow diversion device (5) is installed inside the fixed frame (401). The associated component (6) comprises a first telescopic member (605). The first telescopic member (605) is fixedly installed inside the fixed frame (401). The telescopic end of the first telescopic member (605) is fixedly connected to a moving plate (606). A spring shock absorber (607) is fixedly connected to one side of the moving plate (606). A sealing cover (608) is fixedly connected to the telescopic end of the spring shock absorber (607). A U-shaped plate (610) is fixedly connected to the top end of the fixed frame (401). ), the sealing cover (608), the interior of the U-shaped plate (610) and the fixed frame (401) are fixedly connected with a connecting flexible belt (609) for preventing liquid from flowing out, the sealing cover (608) and the movable plate (606) are slidably connected, a plurality of sealing covers (608) are molded together to limit the flow of liquid inside the filter cartridge (402), the telescopic end of the first telescopic member (605) controls the sealing covers (608) that are originally in contact to separate through telescopic control, and the solution on the inner wall of the filter cartridge (402) passes through the gap between the sealing covers (608) and moves to the inner cavity of the reactor body (1) through the channel formed by the U-shaped plate (610) and the connecting flexible belt (609); The partition assembly (2) comprises a partition member (201), the inner wall of the partition member (201) is slidably connected to the outer wall of the transmission shaft, the outer wall of the partition member (201) is rotatably connected to the movable inner ring (202), the outer wall of the movable inner ring (202) is slidably connected to the inner wall of the reactor body (1), a first pump body (203) for moving liquid above the partition assembly (2) to below the partition assembly (2) is installed inside the movable inner ring (202), and a pump body (203) for moving liquid above the partition assembly (2) to below the partition assembly (2) is installed on the movable inner ring (202). The third valve (205) is connected to the liquid, the top and bottom ends of the partition member (201) are respectively fixedly connected to impellers (204) for stirring the liquid, the first pump body (203) moves the liquid above the partition assembly (2) to the bottom of the partition assembly (2), thereby increasing the pressure of the liquid in the partition assembly (2) and controlling the rise of the partition assembly (2), the third valve (205) enables the liquid above the partition assembly (2) to communicate with the liquid below, and the partition assembly (2) descends in the liquid because the overall density of the partition assembly (2) is greater than the density of the liquid; The cleaning assembly (7) comprises a No. 2 motor (701), the No. 2 motor (701) is fixedly mounted inside a fixed frame (401), the output end of the No. 2 motor (701) is fixedly connected to a rotating disk (702), the bottom end of the rotating disk (702) is rotatably connected to the top end of the filter cartridge (402), one end of the rotating disk (702) is rotatably connected to a cleaning roller (703), the outside of the cleaning roller (703) is fixedly connected to a protrusion (704) for penetrating into and cleaning the sieve holes on the filter cartridge (402), the top end of the filter cartridge (402) is fixedly connected to an inner toothed ring (705), the top end of the cleaning roller (703) is fixedly connected to a gear member (706), the outer wall of the gear member (706) is meshed with the inner wall of the inner toothed ring (705), the bottom end of the cleaning roller (703) is rotatably connected to a sealing disk (707), the outer wall of the sealing disk (707) is rotatably connected to the inside of the fixed frame (401); The interior of the fixing frame (401) is fixedly connected with a collecting device (8), and the collecting device (8) comprises a collecting box (801). The collecting box (801) is mounted at the bottom end of the fixing frame (401), and the interior of the collecting box (801) is fixedly connected with a second telescopic member (802), and the telescopic end of the second telescopic member (802) is rotatably connected with a sealing top cover (803), and the top end of the sealing top cover (803) is slidably connected to the bottom end of the sealing disk (707).

2. According to claim 1, a ternary battery wet aluminum removal recovery reactor is characterized in that: The associated component (6) comprises a transmission rod (604), the bottom end of the transmission rod (604) being rotatably connected to the bottom end inside the fixed frame (401), the outer wall of the transmission rod (604) being fixedly connected to a connecting plate (601), one side of the connecting plate (601) being fixedly connected to a fixed rod (602), one side of the movable plate (606) being fixedly connected to a limiting frame (603) for cooperating with the fixed rod (602), the feeding direction of the flow diverter (5) being changed by the rotation of the transmission rod (604), and a flow changing component (9) for controlling the feeding direction of the flow diverter (5) to be changed based on the rotation of the transmission rod (604) being installed between the transmission rod (604) and the flow diverter (5).

3. A ternary battery wet aluminum removal recovery reactor according to claim 1, characterized in that: The flow dividing device (5) comprises a flow dividing pipe (501), the discharge end of the flow dividing pipe (501) and the feed end of the filter cartridge (402) are fixed to each other, the solution in the reactor body (1) is transferred to the inner wall of the filter cartridge (402) through the flow dividing pipe (501), the inside of the flow dividing pipe (501) is rotatably connected with a flow guide member (502), the top end of the transmission rod (604) passes through the bottom end of the flow dividing pipe (501) and is fixed to the bottom end of the flow guide member (502), and a flow guide hole is provided inside the flow guide member (502) for facilitating the passage of liquid.

4. A ternary battery wet aluminum removal recovery reactor according to claim 2, characterized in that: The flow-changing assembly (9) comprises a first gear (901), the first gear (901) being fixedly mounted on the top end of a transmission rod (604), a rack rod (902) being slidably connected inside the fixed frame (401), an outer wall of the first gear (901) being meshed with one side of the rack rod (902), a second gear (903) being rotatably connected inside the fixed frame (401), an outer wall of the second gear (903) being meshed with one side of the rack rod (902), a transmission member (904) being fixedly connected to the top end of the second gear (903), and a top end of the transmission member (904) passing through the bottom end of the flow-dividing pipe (501) and being fixed to the bottom end of the flow-guiding member (502).

5. A ternary battery wet aluminum removal and recovery method, using a ternary battery wet aluminum removal and recovery reactor according to any one of claims 1 to 4, characterized in that: The recovery method comprises: Slurry preparation: ternary battery black powder and water are mixed and stirred, and the theoretical mass ratio between the ternary battery black powder and water is 1-1.3:1 to obtain raw slurry; Leaching: stirring and mixing the original pulp and the leaching liquid in the reactor body (1), wherein the theoretical mass ratio between the original pulp and the leaching liquid is 1:0.9-1.4, to obtain a mixed solution; Copper removal: the mixed solution in the reactor body (1) is moved to the inner space of the filter cartridge (402), an alkaline solution is added to adjust the pH value of the mixed solution, the pH value of the mixed solution is controlled to be within the range of 3-5, the inner temperature of the fixed frame (401) is controlled to be within the range of 60-70 degrees Celsius, and sodium thiosulfate is added. After stirring for reaction, the mixture is filtered using the filter cartridge (402) to obtain a copper removal mother liquor and copper precipitate. The copper removal mother liquor is moved to the inner chamber of the reactor body (1); Aluminium removal: the copper removal mother liquor in the reactor body (1) is moved to the inner space of the filter cartridge (402), the copper removal solution and the precipitant are mixed, stirred for reaction, and then filtered through the filter cartridge (402) to obtain an aluminium removal solution and aluminium precipitate, and the aluminium removal solution is moved to the inner chamber of the reactor body (1); Acid leaching: the aluminum removal solution in the reactor body (1) is moved to the inner space of the filter cartridge (402), the aluminum removal solution is mixed with the acid solution to obtain a mixed solution No. 1, the temperature is controlled to be within the range of 90-100 degrees Celsius for 1-2 hours, and the interior of the fixed frame (401) is continuously kept in a negative pressure state to obtain an acid leaching solution, wherein the theoretical mass ratio between the aluminum removal solution and the acid solution is 1:0.9-1.4; Aging: adding alkali solution to the acid leaching solution in the inner space of the filter cartridge (402) for aging, adjusting the pH value of the acid leaching solution according to the alkali solution, controlling the pH value of the acid leaching solution to be within the range of 4-5, filtering through the filter cartridge (402), and filtering and separating to obtain the nickel-cobalt-manganese ternary precursor solid material and the lithium-containing solution.

6. A ternary battery wet aluminum removal and recovery method according to claim 5, characterized in that: The immersion liquid includes an acidic liquid and an alkaline liquid. The aging temperature is 5-10°C and stirring is performed for 2-4 hours. The fixing frame (401) is under negative pressure, and the moisture inside the filter cartridge (402) is moved out of the fixing frame (401) under negative pressure.

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