CN116130821B - Wet recycling device for lithium iron phosphate battery and application method of wet recycling device - Google Patents
Wet recycling device for lithium iron phosphate battery and application method of wet recycling device Download PDFInfo
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- CN116130821B CN116130821B CN202310347214.5A CN202310347214A CN116130821B CN 116130821 B CN116130821 B CN 116130821B CN 202310347214 A CN202310347214 A CN 202310347214A CN 116130821 B CN116130821 B CN 116130821B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D11/02—Solvent extraction of solids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The invention relates to the technical field of lithium battery recovery, in particular to a wet recovery processing device of a lithium iron phosphate battery and a use method thereof, wherein the wet recovery processing device comprises two vertical guide rods arranged at intervals, and further comprises: the fixed leaching cylinder is fixedly arranged at the bottom of the vertical guide rod, the top of the fixed leaching cylinder is provided with a top opening, and the inside of the fixed leaching cylinder is embedded and slides to be provided with a linkage sealing plate. According to the invention, the fixed leaching cylinder and the pressure leaching cylinder capable of sliding up and down form the leaching container, and the independently detachable material leaching cylinder is used for storing raw materials, the material leaching cylinder is embedded between the fixed leaching cylinder and the pressure leaching cylinder during leaching recovery, and the pressure leaching cylinder, the material leaching cylinder and the fixed leaching cylinder are mutually embedded to form the complete sealed leaching container through downwards pressing the pressure leaching cylinder, so that the leached raw materials can be directly replaced and the leached residual waste can be discharged through replacing the material leaching cylinder, and the integral leaching recovery efficiency is improved.
Description
Technical Field
The invention relates to the technical field of lithium battery recovery, in particular to a wet recovery processing device for a lithium iron phosphate battery and a use method thereof.
Background
The lithium iron phosphate battery mainly takes lithium iron phosphate as a positive electrode material, the lithium iron phosphate battery generally needs to be disassembled and recycled after the service life is reached, the battery generally adopts wet recycling, metal ions in the lithium iron phosphate battery are mainly dissolved through acid-base solution, the dissolved metal ions are further extracted in the forms of oxides, salts and the like by means of precipitation, adsorption and the like, the wet recycling process is simple, the equipment requirement is low, the lithium iron phosphate battery is suitable for industrial mass production, and the wet recycling of the lithium iron phosphate battery is mainly used for recycling the positive electrode.
The patent with the application number of CN202210376232.1 discloses a method for preparing lithium carbonate by wet recycling retired lithium iron phosphate battery powder extraction lithium, which comprises the following steps: step one, adding retired LiFePO4 and an oxidant into a container, and adding water to form a mixed solution; heating the mixed solution to 40-80 ℃, adding acid liquor for acid leaching and dissolving, stopping heating after heat preservation reaction, and filtering to obtain lithium-containing filtrate and ferric phosphate filter residues; adding calcium salt or magnesium salt into the lithium-containing filtrate at 50-70 ℃, adding alkali liquor to adjust the pH to be neutral, and filtering to remove impurities to obtain a first filtrate; step four, dropwise adding alkali liquor into the first filtrate at normal temperature, adjusting the pH of the liquid to 11-13, and filtering to remove impurities to obtain a second filtrate; and fifthly, adding carbonate into the second filtrate, stirring, filtering, and drying filter residues to obtain lithium carbonate.
However, the equipment corresponding to the current wet recovery method generally performs leaching treatment on the recovered raw materials through a leaching kettle to obtain the required leaching filtrate, but the current leaching method extracts lithium to perform repeated leaching so as to improve the concentration of the lithium-containing solution, and the corresponding wet recovery leaching equipment needs to add the leached solid battery recovered raw materials for multiple times and recover the filtered waste materials, so that the overall replacement of the loading and unloading steps is complicated, the quick replacement of the leached raw materials cannot be realized, and the overall recovery efficiency is low.
Disclosure of Invention
In view of the above, the invention aims to provide a wet recycling device for lithium iron phosphate batteries and a use method thereof, so as to solve the problems that the prior wet recycling leaching equipment is complicated in whole material loading and unloading replacement, and the leaching raw materials cannot be quickly replaced, so that the whole recycling efficiency is low.
Based on the above purpose, the invention provides a wet recycling device for lithium iron phosphate batteries, which comprises two vertical guide rods arranged at intervals, and further comprises:
the fixed leaching cylinder is fixedly arranged at the bottom of the vertical guide rod, the top of the fixed leaching cylinder is provided with a top opening, and the inside of the fixed leaching cylinder is embedded and slidably provided with a linkage sealing plate;
The device comprises a pressing leaching cylinder, a lifting guide sleeve is arranged on the outer side of the pressing leaching cylinder at intervals, the pressing leaching cylinder is connected with the vertical guide rods in a sliding manner through the lifting guide sleeve, a hydraulic telescopic rod is arranged between the two spaced vertical guide rods, the telescopic end of the hydraulic telescopic rod is connected with the pressing leaching cylinder, the bottom of the pressing leaching cylinder is provided with a bottom opening, and a middle of the bottom opening is fixedly sealed and provided with a spacing filter plate;
the piston pressing plate is embedded and slidingly arranged in the pressing leaching cylinder, the top of the piston pressing plate is connected with a vertical traction rod, the top of the pressing leaching cylinder is fixedly provided with a traction sliding sleeve, and the piston pressing plate is slidingly connected with the traction sliding sleeve through the vertical traction rod;
the material leaching cylinder is arranged between the fixed leaching cylinder and the pressure leaching cylinder, a bearing filter plate is arranged at the bottom of the material leaching cylinder, and embedded connecting rings are arranged around the edges of the upper side and the lower side of the material leaching cylinder;
the sealing connecting ring is characterized in that sealing connecting rings are arranged around the outer side edges of the top opening and the bottom opening, an annular jogging groove is formed in the middle of the sealing connecting ring, the annular jogging groove and the jogging connecting rings are mutually matched in size, and the sealing connecting rings are mutually jogged with the material leaching barrel through the annular jogging groove and the jogging connecting rings to be kept in closed connection.
Further, the vertical center line of vertical traction lever with the vertical center line of fixed leaching section of thick bamboo is located same straight line, the vertical center line of vertical traction lever with be parallel to each other between the vertical center line of vertical guide bar, the centre of vertical traction lever is provided with vertical rack, the top of pulling the sliding sleeve is provided with elevating gear, vertical rack with intermeshing between the elevating gear, elevating gear's axle head connection is provided with elevator motor, the piston press the board with press and leach the size between the section of thick bamboo mutually support.
Further, the outside of a fixed leaching cylinder is provided with a fixed bearing frame, the middle rotation of the fixed bearing frame is connected and is provided with a rotary conveying disc, the outside of the rotary conveying disc is provided with a rotary disc gear ring in a surrounding mode, the outside of the rotary disc gear ring is provided with a rotary gear in a meshing mode, the shaft end of the rotary gear is connected and is provided with a rotary motor, the middle of the rotary conveying disc is uniformly provided with a plurality of annular bearing frames in a surrounding mode in a circumferential mode, the annular bearing frames and the material leaching cylinders are mutually matched in size, the rotary conveying disc simultaneously loads and stores a plurality of material leaching cylinders through the annular bearing frames, and the rotary conveying disc drives a plurality of material leaching cylinders to sequentially pass through under the pressure leaching cylinders through rotation.
Further, the outside of a material leaching cylinder is provided with a positioning guide block, the inner side of the annular bearing frame is provided with a positioning guide groove, the positioning guide block is in one-to-one correspondence with the positioning guide groove, the positioning guide block is matched with the positioning guide groove in size, the material leaching cylinder is connected with the positioning guide groove in a sliding manner, and a reset spring is arranged below the positioning guide block in a connecting manner.
Further, the outside of fixed carrier is provided with the material loading carriage, the centre of material loading carriage is provided with vertical material loading section of thick bamboo, the bottom connection of vertical material loading section of thick bamboo is provided with the toper and carries the section of thick bamboo, the toper carry the section of thick bamboo with vertical material loading section of thick bamboo intercommunication each other, the gyration is carried the dish and is driven a plurality of materials through the rotation and leaches the section of thick bamboo and pass through in proper order under the toper carries the section of thick bamboo.
Further, the outside nestification of vertical material loading section of thick bamboo is provided with the connection sliding sleeve, the top connection of connecting the sliding sleeve is provided with traction spring, traction spring's top is provided with traction electromagnet, the outside connection of connecting the sliding sleeve is provided with the toper and carries the section of thick bamboo, the toper carries the section of thick bamboo through the connection sliding sleeve with vertical material loading section of thick bamboo sliding connection, the bottom of toper carries the section of thick bamboo is provided with the material loading opening, material loading open-ended bottom edge encircles and is provided with the sealed gomphosis groove, the sealed gomphosis groove with size is mutually supported between the sealing connection ring.
Further, the centre of the feeding opening is provided with a central rotating shaft, the lower end of the central rotating shaft is uniformly and circumferentially connected with a plurality of horizontal spreading plates, the horizontal spreading plates are rotationally connected with the conical conveying cylinder through the central rotating shaft, and the upper end of the central rotating shaft is connected with a spreading motor.
Further, the outside interval of annular bearing frame is provided with the storage sleeve, the annular bearing frame passes through the storage sleeve with gyration delivery tray interconnect, the storage sleeve with be provided with the upset pivot between the annular bearing frame, the annular bearing frame passes through the upset pivot with the storage sleeve rotates to be connected, the axle head connection of upset pivot is provided with the upset motor, the rear side of material loading delivery frame is provided with the uninstallation delivery frame, the bottom of uninstallation delivery frame is provided with the toper collecting groove, the gyration delivery tray passes through in proper order through a plurality of material leaching barrels of rotation the toper collecting groove is directly over.
Further, the interval is provided with the uninstallation and washes the frame directly over the toper collecting tank, the top that the frame was washed in the uninstallation is provided with flexible traction lever, the uninstallation is washed the frame and is passed through flexible traction lever with uninstallation carriage interconnect, the centre that the frame was washed in the uninstallation is provided with the swivel joint, the lower extreme rotation connection of swivel joint is provided with the horizontal flushing pipe, the bottom of horizontal flushing pipe is evenly arranged and is provided with a plurality of shower nozzles, the left and right sides both ends level of horizontal flushing pipe is reversely provided with rotatory shower nozzle.
The application method of the wet recycling device for the lithium iron phosphate battery comprises the following steps:
the method comprises the steps of placing battery raw materials subjected to wet leaching recovery in a material leaching barrel, storing leaching liquid in the fixed leaching barrel, moving the material leaching barrel between the fixed leaching barrel and the pressure leaching barrel, driving the pressure leaching barrel to move downwards through traction of a hydraulic telescopic rod so as to be buckled above the material leaching barrel, enabling the material leaching barrel to be buckled on the fixed leaching barrel, keeping sealing connection between the material leaching barrel and the fixed leaching barrel and the pressure leaching barrel through mutual embedding of an annular embedding groove and an embedding connecting ring, enabling the pressure leaching barrel, the material leaching barrel and the fixed leaching barrel to be mutually embedded to form a completely sealed leaching recovery container, then driving a piston pressure moving plate to move up and down in the pressure leaching barrel through synchronous movement of a linkage fixed leaching barrel, enabling the leaching liquid to continuously pass through the middle material leaching barrel, circularly moving in the pressure leaching barrel and the fixed leaching barrel at the upper side and the lower side, keeping the leaching liquid to be completely in the pressure leaching barrel after the battery raw materials stored in the material leaching barrel are completely in the pressure leaching barrel, then driving the hydraulic telescopic rod to move upwards, enabling the pressure leaching barrel and the fixed leaching barrel to be mutually embedded between the pressure leaching barrel and the other fixed leaching barrel to be directly embedded into the fixed leaching barrel, and the material leaching barrel to be continuously extracted.
The invention has the beneficial effects that: according to the wet recovery processing device for the lithium iron phosphate battery, provided by the invention, the fixed leaching cylinder and the pressure leaching cylinder capable of sliding up and down form the leaching recovery container, battery raw materials to be recovered are stored through the independent detachable material leaching cylinder, when leaching recovery is carried out, the material leaching cylinder can be embedded between the fixed leaching cylinder and the pressure leaching cylinder, the material leaching cylinder and the fixed leaching cylinder are mutually embedded to form the completely closed leaching recovery container through downwards pressing the pressure leaching cylinder, the vertical traction rod can drive the piston pressure plate to move up and down in the pressure leaching cylinder so as to synchronously move through the linkage sealing plate in the pressure leaching cylinder, the material leaching cylinder in the middle continuously passes through the pressure leaching cylinder at the upper side and the lower side, the battery raw materials stored in the material leaching cylinder are circularly moved in the fixed leaching cylinder so as to carry out leaching recovery, and after the leaching recovery is completed, the other material leaching cylinder can be embedded between the fixed leaching cylinder and the pressure leaching cylinder so as to carry out continuous leaching, thereby the whole recovery efficiency can be improved, and the residual materials can be replaced more conveniently and rapidly.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the internal structures of a fixed leaching cartridge and a pressure leaching cartridge according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure of a separation state of a fixed leaching cylinder and a pressure leaching cylinder according to an embodiment of the present invention;
FIG. 3 is a schematic view of a structure of a closed state of a fixed leaching cylinder and a pressure leaching cylinder according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a front structure of an embodiment of the present invention;
FIG. 5 is a schematic top view of an embodiment of the present invention;
FIG. 6 is a schematic view of a stationary leaching cartridge according to an embodiment of the present invention;
FIG. 7 is a schematic view of a pressure leaching cartridge according to an embodiment of the present invention;
FIG. 8 is a schematic view of a material leaching cartridge according to an embodiment of the present invention;
FIG. 9 is a schematic view of a fixed carrier according to an embodiment of the present invention;
FIG. 10 is a schematic view of a storage sleeve according to an embodiment of the present invention;
FIG. 11 is a schematic view of a conical delivery cartridge according to an embodiment of the present invention;
fig. 12 is a schematic diagram of the structure of an unloading rinse frame in accordance with an embodiment of the present invention.
Marked in the figure as:
1. fixing a leaching cylinder; 101. unloading the discharging pipe; 102. a top opening; 103. a vertical guide bar; 104. a hydraulic telescopic rod; 105. a linkage sealing plate; 2. pressing the leaching cylinder; 201. a feed delivery pipe; 202. lifting the guide sleeve; 203. traction sliding sleeve; 204. a bottom opening; 205. a spacer filter plate; 206. spacing the filter holes; 3. a piston pressing plate; 301. a vertical traction rod; 302. a vertical rack; 303. a lifting gear; 304. a lifting motor; 4. a material leaching cylinder; 401. carrying a filter plate; 402. carrying the filter holes; 403. a jogged connecting ring; 404. positioning a guide block; 405. sealing the connecting ring; 406. an annular jogged groove; 5. fixing the bearing frame; 501. a rotary connection groove; 502. a rotary conveying disc; 503. a turntable gear ring; 504. a rotary gear; 505. a rotating electric machine; 6. a storage sleeve; 601. turning over the rotating shaft; 602. a turnover motor; 603. an annular bearing frame; 604. positioning guide grooves; 605. a return spring; 7. a feeding conveying frame; 701. a vertical feeding cylinder; 702. the sliding sleeve is connected; 703. a traction spring; 704. traction electromagnet; 8. a conical delivery cylinder; 801. a feeding opening; 802. closing the embedded groove; 803. a central spindle; 804. a horizontal spreading plate; 805. a spreading motor; 9. unloading the conveying frame; 901. conical material collecting groove; 902. unloading the flushing frame; 903. a telescopic traction rod; 904. a swivel joint; 905. a horizontal flush tube; 906. flushing the spray head; 907. and rotating the spray head.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, a wet recycling device for lithium iron phosphate battery includes two vertical guide rods 103 disposed at intervals, and further includes:
the fixed leaching cylinder 1 is fixedly arranged at the bottom of the vertical guide rod 103, the top of the fixed leaching cylinder 1 is provided with a top opening 102, and the inside of the fixed leaching cylinder 1 is embedded and slidably provided with a linkage sealing plate 105;
the pressing leaching cylinders 2 are arranged above the fixed leaching cylinders 1 at intervals, lifting guide sleeves 202 are arranged on the outer sides of the pressing leaching cylinders 2, the pressing leaching cylinders 2 are connected with the vertical guide rods 103 in a sliding mode through the lifting guide sleeves 202, hydraulic telescopic rods 104 are arranged between the two spaced vertical guide rods 103, telescopic ends of the hydraulic telescopic rods 104 are connected with the pressing leaching cylinders 2, bottom openings 204 are formed in the bottoms of the pressing leaching cylinders 2, and interval filter plates 205 are fixedly sealed in the middle of the bottom openings 204;
the piston pressing plate 3 is embedded and slidingly arranged in the pressing leaching cylinder 2, the top of the piston pressing plate 3 is connected with a vertical traction rod 301, the top of the pressing leaching cylinder 2 is fixedly provided with a traction sliding sleeve 203, and the piston pressing plate 3 is slidingly connected with the traction sliding sleeve 203 through the vertical traction rod 301;
The material leaching cylinder 4 is arranged between the fixed leaching cylinder 1 and the pressure leaching cylinder 2, the bottom of the material leaching cylinder 4 is provided with a bearing filter plate 401, and the edges of the upper side and the lower side of the material leaching cylinder 4 are all provided with jogged connecting rings 403 in a surrounding way;
the outer side edges of the top opening 102 and the bottom opening 204 are respectively provided with a sealing connection ring 405 in a surrounding manner, an annular jogged groove 406 is arranged in the middle of the sealing connection ring 405, the sizes of the annular jogged groove 406 and the jogged connection ring 403 are matched with each other, and the sealing connection ring 405 is jogged with the material leaching barrel 4 through the annular jogged groove 406 and the jogged connection ring 403 to keep a closed connection.
In the embodiment, the device forms a leaching recovery container through a fixed leaching cylinder 1 and a pressure leaching cylinder 2, the fixed leaching cylinder 1 and the pressure leaching cylinder 2 are vertically arranged and are separated from each other at a distance, the adjacent sides of the fixed leaching cylinder 1 and the pressure leaching cylinder 2 are respectively provided with a top opening 102 and a bottom opening 204, meanwhile, the device stores battery raw materials to be recovered through a separately detachable material leaching cylinder 4, the battery raw materials can be contained in the material leaching cylinder 4, when leaching recovery is carried out, the material leaching cylinder 4 moves between the fixed leaching cylinder 1 and the pressure leaching cylinder 2, the pressure leaching cylinder 2 is in sliding connection with a vertical guide rod 103 through a lifting guide sleeve 202, the pressure leaching cylinder 2 can be driven to move downwards through the traction of a hydraulic telescopic rod 104 so as to be buckled above the material leaching cylinder 4, and simultaneously the material leaching cylinder 4 is buckled on the fixed leaching cylinder 1, the material leaching cylinder 4, the fixed leaching cylinder 1 and the pressure leaching cylinder 2 are mutually embedded and kept in closed connection through the annular embedded groove 406 and the embedded connecting ring 403, so that the pressure leaching cylinder 2, the material leaching cylinder 4 and the fixed leaching cylinder 1 are mutually embedded to form a completely closed leaching recovery container, when leaching is carried out, leaching liquid is stored in the fixed leaching cylinder 1, the volume of the fixed leaching cylinder 1 is close to that of the pressure leaching cylinder 2, when the pressure leaching cylinder 2, the material leaching cylinder 4 and the fixed leaching cylinder 1 are mutually connected, the vertical traction rod 301 can drive the piston pressure plate 3 to move up and down in the pressure leaching cylinder 2, the pressure can link the linkage sealing plate 105 in the fixed leaching cylinder 1 to synchronously move, and when the bottom of the material leaching cylinder 4 is provided with the bearing filter plate 401 and the piston pressure plate 3 drives the linkage sealing plate 105 to move up, the leaching solution passes through the bearing filter holes 402 densely distributed on the bearing filter plates 401 to contact battery materials stored in the material leaching barrel 4, then the leaching solution passes through the interval filter holes 206 densely distributed in the middle of the interval filter plates 205 and is conveyed into the pressure leaching barrel 2, the piston pressure moving plate 3 is reversed when moving downwards, so that the leaching solution continuously passes through the middle material leaching barrel 4, and the pressure leaching barrel 2 and the fixed leaching barrel 1 on the upper side and the lower side circularly move to carry out leaching recovery, the contact efficiency of materials and the leaching solution is improved, the leaching recovery efficiency is improved, after the battery materials stored in the material leaching barrel 4 are subjected to leaching recovery, the leaching solution is kept in the pressure leaching barrel 2 completely, then the hydraulic telescopic rod 104 pulls the pressure leaching barrel 2 to move upwards, so that the pressure leaching barrel 2, the material leaching barrel 4 and the fixed leaching barrel 1 are mutually separated, the material leaching barrel 4 between the pressure leaching barrel 2 and the fixed leaching barrel 1 is directly taken down, and the other material leaching barrel 4 stored with new materials is embedded between the fixed leaching barrel 1 and the pressure leaching barrel 2, the whole material leaching barrel is replaced conveniently and rapidly, and the whole material is replaced conveniently, and the material is recovered, and the material is replaced conveniently.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, preferably, the vertical center line of the vertical traction rod 301 and the vertical center line of the fixed leaching cylinder 1 are positioned on the same straight line, the vertical center line of the vertical traction rod 301 and the vertical center line of the vertical guide rod 103 are mutually parallel, a vertical rack 302 is arranged in the middle of the vertical traction rod 301, a lifting gear 303 is arranged above the traction sliding sleeve 203, the vertical rack 302 and the lifting gear 303 are mutually meshed, the shaft end of the lifting gear 303 is connected with a lifting motor 304, the piston pressure plate 3 and the pressure leaching cylinder 2 are mutually matched in size, the device is mutually embedded to form a completely closed leaching recovery container through the pressure leaching cylinder 2, the material leaching cylinder 4 and the fixed leaching cylinder 1, and when leaching is carried out, a leaching liquid can be conveyed into the pressure leaching cylinder 2 and the fixed leaching cylinder 1 through a charging conveying pipe 201 arranged at the top of the side wall of the pressure leaching cylinder 2, then a lifting motor 304 pulls a vertical traction rod 301 to move along a traction sliding sleeve 203 through a lifting gear 303 and a vertical rack 302, then the vertical traction rod 301 can drive a piston pressing plate 3 to move up and down in a pressing leaching cylinder 2, the linkage sealing plate 105 in the leaching cylinder 1 can be linked and fixed through pressure to move synchronously, a bearing filter plate 401 is arranged at the bottom of a material leaching cylinder 4, when the piston pressing plate 3 drives the linkage sealing plate 105 to move upwards, a leaching solution passes through bearing filter holes 402 densely distributed on the bearing filter plate 401 to contact battery materials stored in the material leaching cylinder 4, then the leaching solution passes through interval filter holes 206 densely distributed in the middle of an interval filter plate 205 and is conveyed into the pressing leaching cylinder 2, the piston pressing plate 3 is reversed when moving downwards, so that the leaching liquid can continuously pass through the middle material leaching cylinder 4, and the pressing leaching cylinder 2 and the fixed leaching cylinder 1 at the upper side and the lower side circularly move so as to carry out leaching recovery, and after the leaching is finished, the leaching liquid can be discharged through the unloading discharging pipe 101 arranged at the bottom of the side wall of the fixed leaching cylinder 1.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, preferably, a fixed bearing frame 5 is arranged at the outer side of the fixed leaching barrel 1, a rotary conveying disc 502 is rotatably connected in the middle of the fixed bearing frame 5, a rotary disc gear ring 503 is circumferentially arranged at the outer side of the rotary conveying disc 502, a rotary gear 504 is meshed with the outer side of the rotary disc gear ring 503, a rotary motor 505 is arranged at the shaft end connection of the rotary gear 504, a plurality of annular bearing frames 603 are circumferentially and uniformly circumferentially arranged in the middle of the rotary conveying disc 502, the annular bearing frames 603 are matched with the material leaching barrels 4 in size, a plurality of material leaching barrels 4 are simultaneously loaded and stored by the rotary conveying disc 502, the rotary conveying disc 502 drives the plurality of material leaching barrels 4 to sequentially pass through the right lower part of the pressure leaching barrel 2 through rotation, the outside of the material leaching cylinder 4 is provided with a positioning guide block 404, the inside of the annular bearing frame 603 is provided with a positioning guide groove 604, the positioning guide blocks 404 and the positioning guide grooves 604 are arranged in a one-to-one correspondence manner and are mutually matched in size, the material leaching cylinder 4 is connected with the positioning guide groove 604 in a sliding manner through the positioning guide block 404, a return spring 605 is arranged below the positioning guide block 404, the device is mutually embedded through the pressure leaching cylinder 2, the material leaching cylinder 4 and the fixed leaching cylinder 1 to form a complete sealed leaching recovery container, the battery raw materials subjected to wet leaching recovery are stored through the material leaching cylinder 4, the leaching raw materials can be directly replaced and the residual materials are discharged through replacing the material leaching cylinder 4, the rotary conveying disc 502 arranged by the device is simultaneously loaded and stored with a plurality of material leaching cylinders 4 through the annular bearing frame 603, the fixed bearing frame 5 is mutually embedded with the rotary conveying disc 502 through the rotary connecting groove 501 arranged on the inner side so as to be rotationally connected, so that the rotary motor 505 can drive the rotary conveying disc 502 to rotate through the rotary gear 504 and the rotary disc gear ring 503, the rotary conveying disc 502 drives the material leaching cylinders 4 to sequentially pass through the right lower part of the pressure leaching cylinder 2 through rotation, meanwhile, the material leaching cylinders 4 are mutually and slidingly connected with the positioning guide grooves 604 through the positioning guide blocks 404, the positioning guide blocks 404 on the material leaching cylinders 4 can be lifted to be positioned at the top of the positioning guide grooves 604 through the return spring 605, the material leaching cylinders 4 can be directly rotated and moved between the pressure leaching cylinder 2 and the fixed leaching cylinder 1, interference blocking between the material leaching cylinders 4 and the fixed leaching cylinder 1 is avoided, after the material leaching cylinder 4 can be rotationally moved between the pressing leaching cylinder 2 and the fixed leaching cylinder 1, the pressing leaching cylinder 2 can be downwardly moved to press the material leaching cylinder 4 to be downwardly moved for a certain distance, so that the material leaching cylinder 4 is buckled on the fixed leaching cylinder 1, the pressing leaching cylinder 2, the material leaching cylinder 4 and the fixed leaching cylinder 1 are mutually embedded to form a complete sealed leaching recovery container, when the material leaching cylinder 4 is unloaded, the pressing leaching cylinder 2 is upwardly moved to reset, the reset spring 605 can also push the material leaching cylinder 4 to be upwardly moved to reset, so that the material leaching cylinder 4 is separated from the fixed leaching cylinder 1, and the rotary conveying disc 502 is convenient to rotationally drive the new material leaching cylinder 4 to be moved between the pressing leaching cylinder 2 and the fixed leaching cylinder 1, so that the material leaching cylinder 4 can be quickly moved and replaced, and the integral leaching recovery efficiency is improved.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11, preferably, a feeding conveying frame 7 is arranged on the outer side of the fixed bearing frame 5, a vertical feeding barrel 701 is arranged in the middle of the feeding conveying frame 7, a conical conveying barrel 8 is arranged at the bottom of the vertical feeding barrel 701 in a connecting manner, the conical conveying barrel 8 is communicated with the vertical feeding barrel 701, a rotary conveying disc 502 drives a plurality of material leaching barrels 4 to sequentially pass under the conical conveying barrel 8 through rotation, the device stores battery raw materials subjected to wet leaching recovery through the material leaching barrels 4, the device can directly replace the leached raw materials and discharge residual waste materials through replacement of the material leaching barrels 4, an automatic feeding mechanism is arranged, the rotary conveying disc 502 drives the empty material leaching barrels 4 to move to the position under the conical conveying barrel 8 through rotation, the required recovered battery raw materials can be conveyed through the vertical feeding barrel 701, the materials naturally fall into the automatic material leaching barrels 4 through the conical conveying barrel 8, the materials above the material leaching barrels 4 are automatically conveyed, the rotary conveying disc 502 can be driven to further move to the material leaching barrels 2, and the whole leaching efficiency can be further improved, and the whole leaching recovery efficiency can be further improved.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11, preferably, a connecting sliding sleeve 702 is nested outside the vertical feeding cylinder 701, a traction spring 703 is connected above the connecting sliding sleeve 702, a traction electromagnet 704 is arranged above the traction spring 703, a conical conveying cylinder 8 is connected outside the connecting sliding sleeve 702, the conical conveying cylinder 8 is slidably connected with the vertical feeding cylinder 701 through the connecting sliding sleeve 702, a feeding opening 801 is arranged at the bottom of the conical conveying cylinder 8, a closed jogging groove 802 is circumferentially arranged at the edge of the bottom of the feeding opening 801, the sizes of the closed jogging groove 802 and the sealing connecting ring 405 are mutually matched, a central rotating shaft 803 is arranged in the middle of the feeding opening 801, a plurality of horizontal spreading plates 804 are uniformly circumferentially connected at the lower end of the central rotating shaft 803, the horizontal spreading plate 804 is rotationally connected with the conical conveying cylinder 8 through the central rotating shaft 803, the spreading motor 805 is arranged at the upper end of the central rotating shaft 803, the device conveys the recovered battery raw materials required by leaching through the vertical conveying cylinder 701 and further conveys the recovered battery raw materials into the material leaching cylinder 4 through the conical conveying cylinder 8, the conical conveying cylinder 8 is in sliding connection with the vertical conveying cylinder 701 through the connecting sliding sleeve 702, when the material leaching cylinder 4 moves right below the conical conveying cylinder 8, the conical conveying cylinder 8 can be pushed to move downwards through the traction spring 703, the sealing embedding groove 802 is mutually embedded and connected with the sealing connecting ring 405, the conical conveying cylinder 8 is further mutually sealed and connected with the material leaching cylinder 4, leakage can be avoided when materials are conveyed, the spreading motor 805 can drive the central rotating shaft 803 to drive the plurality of horizontal spreading plates 804 to synchronously rotate, so that the materials are uniformly spread in the material leaching cylinder 4, avoiding material to pile up, be favorable to improving contact efficiency and the treatment effeciency when follow-up leaching, and accomplish the transport back of material, produce magnetic force in order to attract connection sliding sleeve 702 upward movement through traction electromagnet 704 circular telegram, and then drive toper transport section of thick bamboo 8 upward movement and reset and break away from material leaching section of thick bamboo 4 to the gyration transport tray 502 is convenient for drive material leaching section of thick bamboo 4 rotation, thereby can realize the automatic replenishment material loading work of material, be favorable to improving whole efficiency of leaching recovery.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, preferably, storage sleeves 6 are arranged at intervals on the outer sides of annular bearing frames 603, the annular bearing frames 603 are connected with rotary conveying discs 502 through the storage sleeves 6, a turnover rotating shaft 601 is arranged between the storage sleeves 6 and the annular bearing frames 603, the annular bearing frames 603 are rotatably connected with the storage sleeves 6 through the turnover rotating shaft 601, a turnover motor 602 is arranged at the shaft end of the turnover rotating shaft 601, an unloading conveying frame 9 is arranged on the rear side of an upper material conveying frame 7, a conical collecting groove 901 is arranged at the bottom of the unloading conveying frame 9, the rotary conveying discs 502 drive a plurality of material leaching cylinders 4 to sequentially pass through the upper parts of the conical collecting groove 901, after the device stores battery raw materials for wet leaching recovery through the material leaching cylinders 4, the rotary conveying discs 502 can be driven to move to the right above the conical collecting groove 901 through rotation, the material leaching cylinders 4 are mounted on the annular bearing frames 603, the annular bearing frames 603 can be rotated through the turnover rotating shaft 601 and the turnover motor 6, the whole material leaching cylinders can be conveniently and automatically driven to move to the upper parts of the rotary conveying discs 2 through the turnover rotating shaft 602, the rotary conveying discs are convenient to achieve the whole material leaching efficiency, and the material can be conveniently and automatically and reversely and circularly and conveniently moved to the upper parts of the material is recovered through the rotary collecting groove and the rotary material through the rotary material collecting groove.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 12, preferably, an unloading flushing rack 902 is arranged right above the conical collecting tank 901 at intervals, a telescopic traction rod 903 is arranged above the unloading flushing rack 902, the unloading flushing rack 902 is connected with the unloading conveying rack 9 through the telescopic traction rod 903, a rotary joint 904 is arranged in the middle of the unloading flushing rack 902, the lower end of the rotary joint 904 is rotatably connected with a horizontal flushing pipe 905, a plurality of flushing spray heads 906 are uniformly arranged at the bottom of the horizontal flushing pipe 905, rotary spray heads 907 are reversely arranged at the left end and the right end of the horizontal flushing pipe 905, the device is turned over through a material leaching cylinder 4, so that the battery raw materials which are completely leached fall into the conical collecting tank 901 naturally through gravity for automatic unloading, the horizontal flushing pipe 905 installed on the unloading flushing rack 902 can be driven to move downwards through the telescopic traction rod 903, the horizontal flushing pipe 905 on the unloading flushing rack 902 is close to the material leaching cylinder 4 through the rotary joint 904, an external water pump can be connected to the horizontal flushing pipe 905 through the rotary joint 904, the horizontal flushing pipe 905 can be conveniently driven to spray out of the horizontal flushing water through the left end and right end of the horizontal flushing pipe 905, and the horizontal flushing pipe is more convenient to rotate, and the horizontal flushing efficiency can be further improved, and the horizontal flushing efficiency can be conveniently rotated and washed through the left end and the horizontal flushing spray heads and the horizontal flushing pipe 4.
When the device is used, corresponding pipelines of the device are connected, then a rotary motor 505 drives a rotary conveying disc 502 to rotate through a rotary gear 504 and a rotary disc gear ring 503, the rotary conveying disc 502 drives a material leaching cylinder 4 to move to the position right below a conical conveying cylinder 8 through rotation, then a traction electromagnet 704 is de-energized, a traction spring 703 pushes the conical conveying cylinder 8 to move downwards, a sealed jogging groove 802 is connected with a sealing connecting ring 405 in a jogging mode, further the conical conveying cylinder 8 is connected with the material leaching cylinder 4 in a sealing mode, then a vertical feeding cylinder 701 conveys battery raw materials subjected to wet leaching recovery to the conical conveying cylinder 8, meanwhile, a material paving motor 805 drives a central rotating shaft 803 to drive a plurality of horizontal material paving plates 804 to synchronously rotate, the materials are evenly tiled in the material leaching cylinder 4, after the feeding operation is completed, the rotary conveying disc 502 drives the material leaching cylinder 4 to move to the position right below a pressure leaching cylinder 2 through rotation, the traction driving pressure leaching cylinder 2 of a hydraulic telescopic rod 104 to move downwards so as to be buckled above the material leaching cylinder 4, the material leaching cylinder 4 is buckled on a fixed cylinder 1, the material leaching cylinder 4 is then meshed with the fixed cylinder 3 through the sealing ring 301, the vertical lifting rod 2 is connected with the sealing plate 301 through the sealing plate 301 in the sealing cylinder 2 through the sealing cylinder 2, the sealing plate 301 is moved by the sealing cylinder 2, when the piston pressing plate 3 drives the linkage sealing plate 105 to move upwards, the leaching solution passes through the bearing filter holes 402 densely distributed on the bearing filter plate 401 to contact battery materials stored in the material leaching cylinder 4, then passes through the interval filter holes 206 densely distributed in the middle of the interval filter plate 205 and is conveyed into the pressing leaching cylinder 2, the piston pressing plate 3 moves downwards and is reversed, so that the leaching solution continuously passes through the middle material leaching cylinder 4, the pressing leaching cylinder 2 and the fixed leaching cylinder 1 at the upper side and the lower side circularly move to carry out leaching recovery, after the battery materials stored in the material leaching cylinder 4 are completely leached and recovered, the leaching solution is kept in the pressing leaching cylinder 2, the hydraulic telescopic rod 104 pulls the pressing leaching cylinder 2 to move upwards to separate the pressing leaching cylinder 2, the material leaching cylinder 4 and the fixed leaching cylinder 1 from each other, then, the rotary conveying tray 502 drives the material leaching cylinder 4 to move to the position right above the conical collecting tank 901 through rotation, the other material leaching cylinder 4 with new materials is moved between the fixed leaching cylinder 1 and the pressure leaching cylinder 2 for continuous leaching recovery, the overturning motor 602 drives the overturning rotating shaft 601 and the annular bearing frame 603 to rotate in the storage sleeve 6 to overturn the material leaching cylinder 4, so that the leached battery raw materials naturally fall into the conical collecting tank 901 through gravity, meanwhile, the telescopic traction rod 903 can drive the unloading flushing frame 902 to move downwards, a horizontal flushing pipe 905 installed on the unloading flushing frame 902 is close to the material leaching cylinder 4 for cleaning the same, the material leaching cylinder 4 after cleaning continuously rotates along with the rotary conveying tray 502, and the overturning motor overturns to the position right below the conical conveying cylinder 8 to complete the working cycle.
The application method of the wet recycling device for the lithium iron phosphate battery comprises the following steps:
the battery raw materials subjected to wet leaching recovery are contained in a material leaching barrel 4, leaching liquid is stored in a fixed leaching barrel 1, then the material leaching barrel 4 is moved between the fixed leaching barrel 1 and a pressure leaching barrel 2, the pressure leaching barrel 2 is driven to move downwards through the traction of a hydraulic telescopic rod 104 so as to be buckled above the material leaching barrel 4, the material leaching barrel 4 is buckled on the fixed leaching barrel 1, the material leaching barrel 4 is in sealing connection with the fixed leaching barrel 1 and the pressure leaching barrel 2 through mutual embedding of an annular embedding groove 406 and an embedding connecting ring 403, the pressure leaching barrel 2, the material leaching barrel 4 and the fixed leaching barrel 1 form a completely sealed leaching recovery container, then a piston pressure moving plate 3 can be driven to move upwards and downwards in the pressure leaching barrel 2 through a vertical traction rod 301, the leaching liquid continuously passes through the middle material leaching barrel 4, the pressure leaching barrel 2 and the fixed leaching barrel 1 are circularly moved in the fixed leaching barrel 1 so as to be recycled, the battery raw materials stored in the material leaching barrel 4 are completely embedded with the fixed leaching barrel 2 through an annular embedding connecting ring 403, the pressure leaching barrel 2 is completely embedded with the fixed leaching barrel 2, and the fixed leaching barrel 2 is directly moved upwards through the vertical traction rod 301, and the pressure leaching barrel 2 is completely embedded between the fixed leaching barrel 2 and the fixed leaching barrel 1, and the pressure leaching barrel 2 is directly extracted into the fixed leaching barrel 2, and the pressure leaching barrel 2 is completely moved upwards, and the pressure leaching barrel 2 is extracted by the pressure leaching sealing plate is moved.
The invention provides a wet recovery processing device for lithium iron phosphate batteries, which comprises a leaching recovery container formed by a fixed leaching cylinder 1 and a pressure leaching cylinder 2 capable of sliding up and down, wherein when the battery raw materials to be recovered are stored and leached and recovered by a separately detachable material leaching cylinder 4, the material leaching cylinder 4 can be embedded between the fixed leaching cylinder 1 and the pressure leaching cylinder 2, the material leaching cylinder 4 and the fixed leaching cylinder 1 are mutually embedded by pressing the pressure leaching cylinder 2 downwards to form a completely closed leaching recovery container, a vertical traction rod 301 can drive a piston pressure plate 3 to move up and down in the pressure leaching cylinder 2, the linkage sealing plate 105 in the fixed leaching cylinder 1 is synchronously moved through pressure linkage, so that leaching liquid continuously passes through the middle material leaching cylinder 4, the pressure-operated leaching cylinder 2 and the fixed leaching cylinder 1 at the upper side and the lower side are circularly moved for leaching recovery, after the battery raw materials stored in the material leaching cylinder 4 are subjected to leaching recovery, the material leaching cylinder 4 can be taken down and then the other material leaching cylinder 4 is embedded between the fixed leaching cylinder 1 and the pressure-operated leaching cylinder 2 for continuous leaching recovery, and therefore, the leached raw materials can be directly replaced and the leached residual waste materials can be discharged through replacing the material leaching cylinder 4, the leached raw materials can be quickly replaced, and the integral leaching recovery efficiency is more convenient and quick in use.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a lithium iron phosphate battery wet recycling processing apparatus, is including two vertical guide bars (103) that the interval set up, its characterized in that still includes:
the fixed leaching cylinder (1) is fixedly arranged at the bottom of the vertical guide rod (103), a top opening (102) is formed in the top of the fixed leaching cylinder (1), and a linkage sealing plate (105) is arranged in the fixed leaching cylinder (1) in a jogged and sliding manner;
The device comprises a pressing leaching cylinder (2), wherein the pressing leaching cylinder is arranged above a fixed leaching cylinder (1) at intervals, a lifting guide sleeve (202) is arranged on the outer side of the pressing leaching cylinder (2), the pressing leaching cylinder (2) is in sliding connection with a vertical guide rod (103) through the lifting guide sleeve (202), a hydraulic telescopic rod (104) is arranged between the two spaced vertical guide rods (103), the telescopic ends of the hydraulic telescopic rod (104) are mutually connected with the pressing leaching cylinder (2), a bottom opening (204) is formed in the bottom of the pressing leaching cylinder (2), and a spacing filter plate (205) is fixedly sealed in the middle of the bottom opening (204);
the piston pressing plate (3) is embedded and slidingly arranged in the pressing leaching cylinder (2), a vertical traction rod (301) is connected and arranged at the top of the piston pressing plate (3), a traction sliding sleeve (203) is fixedly arranged at the top of the pressing leaching cylinder (2), and the piston pressing plate (3) is in sliding connection with the traction sliding sleeve (203) through the vertical traction rod (301);
the material leaching cylinder (4) is arranged between the fixed leaching cylinder (1) and the pressure leaching cylinder (2), a bearing filter plate (401) is arranged at the bottom of the material leaching cylinder (4), and embedded connecting rings (403) are arranged around the edges of the upper side and the lower side of the material leaching cylinder (4);
The sealing device is characterized in that sealing connection rings (405) are arranged around the outer side edges of the top opening (102) and the bottom opening (204), annular jogging grooves (406) are formed in the middle of the sealing connection rings (405), the annular jogging grooves (406) are matched with the jogging connection rings (403) in size, and the sealing connection rings (405) are kept in sealed connection with the material leaching barrel (4) through the mutual jogging of the annular jogging grooves (406) and the jogging connection rings (403).
2. The lithium iron phosphate battery wet recycling device according to claim 1, wherein a vertical center line of the vertical traction rod (301) and a vertical center line of the fixed leaching cylinder (1) are positioned on the same straight line, the vertical center line of the vertical traction rod (301) and the vertical center line of the vertical guide rod (103) are mutually parallel, a vertical rack (302) is arranged in the middle of the vertical traction rod (301), a lifting gear (303) is arranged above the traction sliding sleeve (203), the vertical rack (302) is meshed with the lifting gear (303), a lifting motor (304) is arranged at the shaft end of the lifting gear (303), and the piston pressing plate (3) is mutually matched with the pressing leaching cylinder (2) in size.
3. The lithium iron phosphate battery wet recycling device according to claim 1, wherein a fixed bearing frame (5) is arranged on the outer side of the fixed leaching barrel (1), a rotary conveying disc (502) is arranged in the middle of the fixed bearing frame (5) in a rotating mode, a rotary disc gear ring (503) is arranged on the outer side of the rotary conveying disc (502) in a surrounding mode, a rotary gear (504) is arranged on the outer side of the rotary disc gear ring (503) in a meshed mode, a rotary motor (505) is arranged on the shaft end of the rotary gear (504) in a connected mode, a plurality of annular bearing frames (603) are uniformly arranged in a surrounding mode in a circumferential mode in the middle of the rotary conveying disc (502), the annular bearing frames (603) are matched with the material leaching barrel (4) in size, the rotary conveying disc (502) simultaneously loads and stores a plurality of material leaching barrels (4) through the annular bearing frames (603), and the rotary conveying disc (502) drives the plurality of material leaching barrels (4) to sequentially pass through the position right below the pressure leaching barrel (2).
4. The lithium iron phosphate battery wet recycling treatment device according to claim 3, wherein a positioning guide block (404) is arranged on the outer side of the material leaching barrel (4), positioning guide grooves (604) are formed in the inner side of the annular bearing frame (603), the positioning guide blocks (404) are arranged in one-to-one correspondence with the positioning guide grooves (604) and are mutually matched in size, the material leaching barrel (4) is in sliding connection with the positioning guide grooves (604) through the positioning guide block (404), and a return spring (605) is arranged below the positioning guide block (404) in a connecting mode.
5. The lithium iron phosphate battery wet recycling device according to claim 3, wherein a feeding conveying frame (7) is arranged on the outer side of the fixed bearing frame (5), a vertical feeding barrel (701) is arranged in the middle of the feeding conveying frame (7), a conical conveying barrel (8) is arranged at the bottom of the vertical feeding barrel (701) in a connecting mode, the conical conveying barrel (8) and the vertical feeding barrel (701) are communicated with each other, and the rotary conveying disc (502) drives a plurality of material leaching barrels (4) to sequentially pass through the position right below the conical conveying barrel (8) through rotation.
6. The lithium iron phosphate battery wet recycling device according to claim 5, wherein a connecting sliding sleeve (702) is nested in the outer side of the vertical feeding barrel (701), a traction spring (703) is connected and arranged above the connecting sliding sleeve (702), a traction electromagnet (704) is arranged above the traction spring (703), a conical conveying barrel (8) is connected and arranged in the outer side of the connecting sliding sleeve (702), the conical conveying barrel (8) is in sliding connection with the vertical feeding barrel (701) through the connecting sliding sleeve (702), a feeding opening (801) is arranged at the bottom of the conical conveying barrel (8), a closed jogging groove (802) is formed in the bottom edge of the feeding opening (801) in a surrounding mode, and the sizes of the closed jogging groove (802) and the sealing connecting ring (405) are matched with each other.
7. The lithium iron phosphate battery wet recycling device according to claim 6, wherein a central rotating shaft (803) is arranged in the middle of the feeding opening (801), a plurality of horizontal spreading plates (804) are uniformly and circumferentially arranged at the lower end of the central rotating shaft (803), the horizontal spreading plates (804) are rotationally connected with the conical conveying cylinder (8) through the central rotating shaft (803), and a spreading motor (805) is arranged at the upper end of the central rotating shaft (803).
8. The lithium iron phosphate battery wet recycling device according to claim 5, wherein a storage sleeve (6) is arranged at the outer side of the annular bearing frame (603) at intervals, the annular bearing frame (603) is mutually connected with the rotary conveying disc (502) through the storage sleeve (6), a turnover rotating shaft (601) is arranged between the storage sleeve (6) and the annular bearing frame (603), the annular bearing frame (603) is rotationally connected with the storage sleeve (6) through the turnover rotating shaft (601), a turnover motor (602) is arranged at the shaft end connection of the turnover rotating shaft (601), an unloading conveying frame (9) is arranged at the rear side of the loading conveying frame (7), a conical material collecting groove (901) is arranged at the bottom of the unloading conveying frame (9), and the rotary conveying disc (502) drives a plurality of material leaching cylinders (4) to sequentially pass through the position right above the conical material collecting groove (901) through rotation.
9. The lithium iron phosphate battery wet recycling device according to claim 8, wherein an unloading flushing frame (902) is arranged right above the conical material collecting groove (901) at intervals, a telescopic traction rod (903) is arranged above the unloading flushing frame (902), the unloading flushing frame (902) is connected with the unloading conveying frame (9) through the telescopic traction rod (903), a rotary joint (904) is arranged in the middle of the unloading flushing frame (902), a horizontal flushing pipe (905) is rotatably connected with the lower end of the rotary joint (904), a plurality of flushing nozzles (906) are uniformly arranged at the bottom of the horizontal flushing pipe (905), and rotary nozzles (907) are horizontally reversely arranged at the left end and the right end of the horizontal flushing pipe (905).
10. The use method of the wet recycling device for lithium iron phosphate batteries according to any one of claims 1 to 9, which is characterized by comprising the following steps:
the battery raw material subjected to wet leaching recovery is contained in a material leaching barrel (4), leaching liquid is stored in a fixed leaching barrel (1), then the material leaching barrel (4) is moved between the fixed leaching barrel (1) and a pressure leaching barrel (2), the pressure leaching barrel (2) is driven to move downwards by the traction of a hydraulic telescopic rod (104) so as to be buckled above the material leaching barrel (4), the material leaching barrel (4) is buckled on the fixed leaching barrel (1), the material leaching barrel (4), the fixed leaching barrel (1) and the pressure leaching barrel (2) are mutually embedded and kept in closed connection through an annular embedding groove (406) and an embedding connecting ring (403), the pressure leaching barrel (2), the material leaching barrel (4) and the fixed leaching barrel (1) are mutually embedded to form a completely closed leaching recovery container, then a piston pressure moving plate (3) can be driven to move up and down in the pressure leaching barrel (2) through a vertical traction rod (301), a linkage sealing plate (105) in the pressure fixed leaching barrel (1) is buckled on the fixed leaching barrel (1), the leaching barrel (2) is kept in complete circulation after the material leaching barrel (2) is completely moved in a state, the two sides of the mobile leaching barrel (2) is completely and the material leaching barrel (2) is completely recovered, then the hydraulic telescopic rod (104) pulls the pressure leaching cylinder (2) to move upwards, so that the pressure leaching cylinder (2), the material leaching cylinder (4) and the fixed leaching cylinder (1) are mutually separated, the material leaching cylinder (4) between the pressure leaching cylinder (2) and the fixed leaching cylinder (1) is directly taken down, and then the other material leaching cylinder (4) stored with new materials is embedded between the fixed leaching cylinder (1) and the pressure leaching cylinder (2) so as to carry out continuous leaching recovery.
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| CN116271943B (en) * | 2023-05-18 | 2023-08-01 | 沧州彩客锂能有限公司 | Ferric phosphate crystal transformation continuous production device and application method thereof |
| CN118336188B (en) * | 2024-06-11 | 2024-09-03 | 安徽法恩莱特新能源科技有限公司 | Method for recycling lithium ion battery electrolyte |
| CN118404066B (en) * | 2024-07-01 | 2024-09-10 | 安徽艾克森新材料有限公司 | Leaching device for diamond compact |
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| CN115069204A (en) * | 2022-08-23 | 2022-09-20 | 山东彩客新材料有限公司 | Continuous production device and method for synthesizing iron phosphate from mixed phosphoric and phosphoric acid |
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| GB8903153D0 (en) * | 1985-10-01 | 1989-03-30 | Koebanyai Soergyar | Apparatus for the continuous separation of liquid and solid phases,and leaching of the solid phase |
| CN208939096U (en) * | 2018-12-21 | 2019-06-04 | 大连智云新能源装备技术有限公司 | Battery electrolyte infiltrates circulation technology bin device |
| CN210045482U (en) * | 2019-04-09 | 2020-02-11 | 郧西县神风实业有限公司 | Coating dip-coating device |
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