CN116505119A - Positive electrode material recovery device for lithium battery production - Google Patents
Positive electrode material recovery device for lithium battery production Download PDFInfo
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- CN116505119A CN116505119A CN202310702528.2A CN202310702528A CN116505119A CN 116505119 A CN116505119 A CN 116505119A CN 202310702528 A CN202310702528 A CN 202310702528A CN 116505119 A CN116505119 A CN 116505119A
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- crushing
- fixed mounting
- positive electrode
- electrode material
- fixedly arranged
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- 239000007774 positive electrode material Substances 0.000 title claims abstract description 74
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims description 59
- 238000007790 scraping Methods 0.000 claims description 55
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 51
- 239000000843 powder Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 30
- 238000000227 grinding Methods 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims 11
- 241001330002 Bambuseae Species 0.000 claims 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 11
- 239000011425 bamboo Substances 0.000 claims 11
- 239000000463 material Substances 0.000 claims 8
- 230000005389 magnetism Effects 0.000 claims 2
- 241000196324 Embryophyta Species 0.000 claims 1
- 230000002146 bilateral effect Effects 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000012634 fragment Substances 0.000 description 14
- 239000012265 solid product Substances 0.000 description 13
- 239000012295 chemical reaction liquid Substances 0.000 description 8
- 238000004064 recycling Methods 0.000 description 5
- 239000010405 anode material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 206010006514 bruxism Diseases 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the technical field of lithium battery positive electrode material recovery, in particular to positive electrode material recovery equipment for lithium battery production, which comprises a stirring unit and a crushing unit.
Description
Technical Field
The invention relates to the technical field of lithium battery anode material recovery, in particular to anode material recovery equipment for lithium battery production.
Background
The positive electrode material of the lithium battery is a lithium source of the lithium battery, the positive electrode material releases lithium electrons when being charged, the lithium electrons are inserted into a carbon structure of the negative electrode material, and during discharging, the lithium electrons are separated out from the carbon structure to reform a compound so as to release electric energy.
The processing mode of the lithium battery anode material is generally that an anode plate is crushed and then added with sodium hydroxide solution for reaction, after the reaction is completed, a product is washed and centrifuged, then the product is processed into coarse anode powder, the coarse anode powder is processed into regenerated anode powder through ball milling, screening and heat treatment, the anode plate is subjected to reaction with sodium hydroxide solution after being crushed, the anode plate powder is difficult to completely react with the sodium hydroxide solution, so that the processing efficiency of the anode plate processed by equipment is lower, in the reaction process, sediment is extremely easy to adhere to the inner wall of a reaction space, the content of the discharged product is less than the amount of the actual product, and the utilization rate of the anode plate processed by equipment is lower.
Disclosure of Invention
In view of the above problems, embodiments of the present application provide a positive electrode material recycling device for lithium battery production, so as to solve the technical problems of low utilization rate of the device for processing the anode plate and low processing efficiency of the device for processing the anode plate in the related art. In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions.
A first aspect of the embodiments of the present application provides a positive electrode material recovery apparatus for lithium battery production, including stirring unit and crushing unit: the crushing unit is arranged at the upper end of the stirring unit and is used for crushing the anode plate; the stirring unit comprises a reaction cylinder for accommodating the reaction of the positive electrode material powder and the sodium hydroxide solution, a motor I is fixedly arranged on the lower side of the reaction cylinder through a motor seat, a rotating column is fixedly arranged on an output shaft of the motor I through a coupler, a stirring frame for stirring the mixture of the positive electrode material powder and the sodium hydroxide solution is fixedly arranged at the outer end of the rotating column, a liquid inlet for introducing the sodium hydroxide solution and the cleaning water is fixedly arranged at the right end of the reaction cylinder, a discharge pipe for discharging solid matters is fixedly arranged at the lower end of the reaction cylinder, a liquid discharge pipe for discharging liquid is fixedly arranged at the left end of the reaction cylinder, and a crushing unit is fixedly arranged at the upper end of the reaction cylinder; the crushing unit comprises a crushing cylinder, a crushing cylinder for containing the positive electrode material to crush is fixedly arranged at the upper end of the reaction cylinder, a crushing box for containing the positive electrode material to crush is fixedly arranged at the upper end of the crushing cylinder, a motor II is fixedly arranged at the front end of the crushing box through a motor seat, a gear I is fixedly arranged at the output shaft of the motor II through a coupling, a plurality of gears II meshed with each other are uniformly and rotatably connected at the front end of the crushing box, the gears I are meshed with the adjacent gears II, crushing rollers for crushing the positive electrode material are fixedly arranged at the rear ends of the gears II and the rear ends of the gears I, a crushing frame for crushing the positive electrode material is rotatably connected in the crushing cylinder, and the crushing frame is fixedly connected with a rotating column.
According to the embodiment of the invention, the stirring frame comprises stirring rods, the outer ends of rotating columns are uniformly and fixedly provided with the stirring rods, the adjacent stirring rods are different in inclination angles, the right ends of the rotating columns are fixedly provided with scraping plates, arc scraping grooves are symmetrically formed in front of and behind one sides of the scraping plates close to the wall of the reaction cylinder, the outer ends of the rotating columns are fixedly provided with fixing supports which are positioned on the upper sides of the scraping plates, the fixing supports are fixedly provided with micro motors III through motor bases, three output shafts of the micro motors are fixedly provided with winding columns through couplings, winding ropes are fixedly arranged on the winding columns, the tail ends of the winding ropes are provided with scraping rings, interference preventing grooves are formed in the scraping rings and on the upper sides of the scraping plates, and the interference preventing grooves are matched with the arc scraping grooves.
According to the embodiment of the invention, the first electric valve is fixedly arranged at the inner end of the discharge pipe, and the collecting box is clamped at the lower end of the discharge pipe.
According to the embodiment of the invention, the second electric valve is fixedly arranged at the inner end of the liquid discharge pipe, the filter plate is fixedly arranged in the liquid discharge pipe, the right end of the filter plate is rotationally connected with the scraping knife, the magnetic block is fixedly arranged at the tail end of the scraping knife, the rotating ring is rotationally connected at the outer end of the liquid discharge pipe, the control rod is fixedly arranged at the right end of the rotating ring, and the magnetic block is fixedly arranged at the tail end of the control rod.
According to the embodiment of the invention, the inner wall of the crushing cylinder is fixedly provided with the annular matching piece, the inner wall of the annular matching piece is uniformly and fixedly provided with the grinding matching ring, the upper end of the crushing cylinder is fixedly provided with the communication pipeline, the lower end of the communication pipeline is uniformly and fixedly provided with the air outlet, the right end of the crushing cylinder is fixedly provided with the air pump, the right end of the air pump is fixedly provided with the air inlet pipe, the inner wall of the air inlet pipe is fixedly provided with the filter block, and the communication pipeline is fixedly connected with the air pump.
According to the embodiment of the invention, the outer end of the crushing roller is uniformly and fixedly provided with crushing teeth, the inner wall of the crushing cylinder is fixedly provided with an inclined cleaning brush at the lower side of the crushing roller.
According to the embodiment of the invention, the crushing frame comprises a cylinder, the cylinder is rotationally connected with the crushing cylinder, the cylinder is fixedly connected with the rotating cylinder, the upper end of the cylinder is fixedly provided with a conical block, and the outer end surface of the conical block is uniformly and fixedly provided with a grinding ring with a triangular cross section.
According to the embodiment of the invention, the winding rope is formed by rotationally connecting a plurality of rotating blocks, the front ends of the rotating blocks are fixedly provided with limiting blocks, the limiting blocks are matched with the adjacent rotating blocks, and lead blocks are fixedly arranged at the lower side of the scraping ring.
From the above technical scheme, the invention has the following advantages: 1. according to the invention, the arc scraping groove on the scraping plate is used for scraping the positive electrode material powder and the solid product attached to the inner wall of the reaction cylinder, the miniature motor III is used for driving the rolling column to reversely rotate, so that the scraping ring is conveyed to the bottom of the reaction cylinder, the scraping ring is used for scraping the positive electrode material powder and the solid product remained in the arc scraping groove through the interference preventing groove in the downward moving process, and meanwhile, the positive electrode material powder and the solid product attached to the inner wall of the reaction cylinder can be further scraped.
2. According to the invention, the filter plate is used for preventing solid products in the reaction liquid from being discharged along with the reaction liquid, and after the reaction liquid is completely discharged, the rotating ring is rotated to drive the magnet block to move, so that the magnet block is driven to move, and finally the scraping knife is driven to rotate, so that the solid products remained at the right end of the filter plate are scraped, and are discharged out of the reaction cylinder along with the discharge pipe.
3. According to the invention, air is discharged from the air outlet through the air pump, so that the positive electrode material powder which is ground between the grinding frame and the grinding cylinder moves downwards rapidly and falls into the reaction cylinder, positive electrode material fragments can enter between the grinding frame and the grinding cylinder rapidly for grinding treatment, and the positive electrode material fragments clamped between the grinding teeth are cleaned through the cleaning brush, so that the positive electrode material fragments fall down smoothly.
4. According to the invention, the limiting block is matched with the rotating block which is rotationally connected, so that the winding rope is vertical to the horizontal plane when being unfolded, the gravity center of the scraping ring is lowered through the lead block, and the extrusion force of the scraping ring on the positive electrode material powder and the solid product on the arc-shaped scraping groove is increased.
In addition to the technical problems, technical features constituting the technical solutions, and beneficial effects caused by the technical features of the technical solutions described above, other technical problems that can be solved based on a positive electrode material recycling apparatus for lithium battery production, other technical features included in the technical solutions, and beneficial effects caused by the technical features provided in the embodiments of the present application will be further described in detail in the detailed description of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of a front perspective view of a positive electrode material recycling device for lithium battery production according to an embodiment of the present invention.
Fig. 2 shows a schematic front sectional plan view structure of a positive electrode material recycling apparatus for lithium battery production according to an embodiment of the present invention.
Fig. 3 shows a partial enlarged view at N of fig. 2.
Fig. 4 shows a cross-sectional view in the direction A-A of fig. 2.
Fig. 5 shows a cross-sectional view in the direction B-B of fig. 2.
Fig. 6 shows a schematic drawing of a plane structure of the winding rope in a left-hand cut-away view.
Wherein the above figures include the following reference numerals:
1. a stirring unit; 11. a reaction cylinder; 12. a first motor; 13. rotating the column; 14. a stirring rack; 141. a stirring rod; 142. a scraping plate; 143. arc scraping groove; 144. a fixed bracket; 145. a miniature motor III; 146. winding a column; 147. winding the rope; 1471. a rotating block; 1472. a limiting block; 148. a scraping ring; 1481. a lead block; 149. an interference prevention groove; 16. a liquid inlet; 17. a discharge pipe; 171. an electric valve I; 172. a collection box; 18. a liquid discharge pipe; 181. an electric valve II; 182. a filter plate; 183. a scraping knife; 184. a magnetic suction block; 185. a rotating ring; 186. a control lever; 187. a magnet block; 2. a pulverizing unit; 21. a crushing cylinder; 211. an annular mating member; 212. grinding the matching ring; 213. a communication pipe; 214. an air outlet; 215. an air pump; 216. an air inlet pipe; 217. a filter block; 22. a crushing box; 23. a second motor; 24. a first gear; 25. a second gear; 26. a crushing roller; 261. crushing teeth; 262. a cleaning brush; 27. a crushing frame; 271. a cylinder; 272. conical blocks; 273. a grinding ring.
Description of the embodiments
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1 and 2, a positive electrode material recycling device for lithium battery production includes a stirring unit 1 and a pulverizing unit 2: the crushing unit 2 is arranged at the upper end of the stirring unit 1 and is used for crushing the anode plate; the stirring unit 1 comprises a reaction cylinder 11 for accommodating the reaction of the positive electrode material powder and the sodium hydroxide solution, a motor I12 is fixedly arranged at the lower side of the reaction cylinder 11 through a motor seat, a rotating column 13 is fixedly arranged at the output shaft of the motor I12 through a coupler, a stirring frame 14 for stirring the mixture of the positive electrode material powder and the sodium hydroxide solution is fixedly arranged at the outer end of the rotating column 13, a liquid inlet 16 for introducing the sodium hydroxide solution and the cleaning water is fixedly arranged at the right end of the reaction cylinder 11, a discharge pipe 17 for discharging solid substances is fixedly arranged at the lower end of the reaction cylinder 11, a liquid discharge pipe 18 for discharging liquid is fixedly arranged at the left end of the reaction cylinder 11, and a crushing unit 2 is fixedly arranged at the upper end of the reaction cylinder 11; the crushing unit 2 comprises a crushing cylinder 21, a crushing cylinder 21 for containing positive electrode materials to crush is fixedly arranged at the upper end of the reaction cylinder 11, a crushing box 22 for containing the positive electrode materials to crush is fixedly arranged at the upper end of the crushing cylinder 21, a motor II 23 is fixedly arranged at the front end of the crushing box 22 through a motor seat, a gear I24 is fixedly arranged on an output shaft of the motor II 23 through a coupling, a plurality of gears II 25 meshed with each other are uniformly and rotatably connected at the front end of the crushing box 22, the gear I24 is meshed with the adjacent gears II 25, a crushing roller 26 for crushing the positive electrode materials is fixedly arranged at the rear ends of the gears II 25 and the gear I24, a crushing frame 27 for crushing the positive electrode materials is rotatably connected with the crushing cylinder 21, and the crushing frame 27 is fixedly connected with the rotating column 13; firstly, pouring positive electrode materials into a crushing box 22, driving a gear I24 to rotate through a motor II 23, driving a gear II 25 to rotate, finally driving all crushing rollers 26 to rotate, and as the adjacent gears II 25 are meshed with each other and the gear I24 is meshed with the adjacent gears II 25, the adjacent crushing rollers 26 rotate in opposite directions, the crushed positive electrode material fragments enter the crushing cylinder 21, the crushing frame 27 is driven by the motor I12 to crush the positive electrode material fragments, the positive electrode material fragments become positive electrode material powder, the positive electrode material powder enters the reaction cylinder 11, the positive electrode material powder is stirred through the rotating stirring frame 14, the positive electrode material powder is uniformly distributed in the reaction cylinder 11, sodium hydroxide solution is introduced into the reaction cylinder 11 through a liquid inlet 16, the positive electrode material powder and the sodium hydroxide solution are fully contacted and reacted through the stirring frame 14, after the reaction is completed, the reaction liquid is discharged out of the reaction cylinder 11 through a liquid discharge pipe 18, the positive electrode material fragments are crushed through the liquid inlet 16, the positive electrode material fragments become the positive electrode material powder, the positive electrode material powder is introduced into the reaction cylinder 11, the positive electrode material powder is cleaned through the rotating stirring frame 14, the solid cleaning liquid is discharged through the liquid discharge pipe 18, and the reaction cylinder 11 is discharged through the liquid discharge pipe 17 after the reaction is completely.
Referring to fig. 2, 4 and 5, the stirring rack 14 includes stirring rods 141, the outer end of the rotating column 13 is fixedly provided with a plurality of stirring rods 141, the adjacent stirring rods 141 have different inclination angles, the right end of the rotating column 13 is fixedly provided with a scraping plate 142, one side of the scraping plate 142 close to the wall of the reaction cylinder 11 is provided with an arc scraping groove 143 in a front-back symmetry manner, the outer end of the rotating column 13 is positioned on the upper side of the scraping plate 142 and is fixedly provided with a fixing bracket 144, a micro motor three 145 is fixedly arranged in the fixing bracket 144 through a motor seat, the output shaft of the micro motor three 145 is fixedly provided with a winding column 146 through a coupling, the winding column 146 is fixedly provided with a winding rope 147, the tail end of the winding rope 147 is provided with a scraping ring 148, the scraping ring 148 is provided with an anti-interference groove 149 positioned on the upper side of the scraping plate 142, and the anti-interference groove 149 is matched with the arc scraping groove 143; the stirring rods 141 with different inclination angles are used for fully stirring the positive electrode material powder and the sodium hydroxide solution, the arc scraping grooves 143 on the scraping plates 142 are used for scraping the positive electrode material powder and the solid product attached to the inner wall of the reaction cylinder 11, the three miniature motors 145 are used for driving the rolling column 146 to reversely rotate, so that the scraping rings 148 are conveyed to the bottom of the reaction cylinder 11, the scraping rings 148 are used for scraping the positive electrode material powder and the solid product which are retained in the arc scraping grooves 143 through the interference preventing grooves 149 in the downward moving process, and meanwhile, the positive electrode material powder and the solid product attached to the inner wall of the reaction cylinder 11 can be further scraped.
Referring to fig. 2, an electric valve one 171 is fixedly mounted at the inner end of the discharge pipe 17, and a collection box 172 is clamped at the lower end of the discharge pipe 17; the electric valve one 171 controls the smooth discharge of the discharge pipe 17, and the discharged reactant enters the collection box 172 to be collected.
Referring to fig. 3, an electric valve two 181 is fixedly mounted at the inner end of the liquid discharge pipe 18, a filter plate 182 is fixedly mounted inside the liquid discharge pipe 18, a scraping knife 183 is rotatably connected to the right end of the filter plate 182, a magnetic block 184 is fixedly mounted at the tail end of the scraping knife 183, a rotating ring 185 is rotatably connected to the outer end of the liquid discharge pipe 18, a control rod 186 is fixedly mounted at the right end of the rotating ring 185, and a magnet block 187 is fixedly mounted at the tail end of the control rod 186; the opening and closing of the liquid discharge pipe 18 are controlled through the second electric valve 181, solid products in the reaction liquid are prevented from being discharged along with the reaction liquid through the filter plate 182, after the reaction liquid is completely discharged, the rotating ring 185 is rotated to drive the magnet 187 to move, so that the magnet 184 is driven to move, and finally the scraping knife 183 is driven to rotate, and the solid products remained at the right end of the filter plate 182 are scraped, so that the solid products are discharged out of the reaction cylinder 11 along with the discharge pipe 17.
Referring to fig. 2, an annular matching member 211 is fixedly installed on the inner wall of the crushing cylinder 21, an abrasive matching ring 212 is uniformly and fixedly installed on the inner wall of the annular matching member 211, a communication pipeline 213 is fixedly installed at the upper end of the crushing cylinder 21, an air outlet 214 is uniformly and fixedly installed at the lower end of the communication pipeline 213, an air pump 215 is fixedly installed at the right end of the crushing cylinder 21, an air inlet pipe 216 is fixedly installed at the right end of the air pump 215, a filter block 217 is fixedly installed on the inner wall of the air inlet pipe 216, and the communication pipeline 213 is fixedly connected with the air pump 215; air is filtered by the air pump 215 through the filter block 217 and then is introduced into the air inlet pipe 216, finally enters the communication pipeline 213 and is discharged from the air outlet 214, so that the positive electrode material powder which is ground between the grinding frame 27 and the grinding cylinder 21 moves downwards rapidly, falls into the reaction cylinder 11, and fragments of the positive electrode material can enter the space between the grinding frame 27 and the grinding cylinder 21 rapidly for grinding treatment.
With continued reference to fig. 2, the outer end of the crushing roller 26 is uniformly and fixedly provided with crushing teeth 261, and an inclined cleaning brush 262 is fixedly arranged on the inner wall of the crushing cylinder 21 and positioned on the lower side of the crushing roller 26; the positive electrode material is crushed by the crushing teeth 261, and fragments of the positive electrode material clamped between the crushing teeth 261 are cleaned by the cleaning brush 262, so that the fragments smoothly fall down.
With continued reference to fig. 2, the pulverizing frame 27 includes a cylinder 271, the pulverizing cylinder 21 is rotatably connected with the cylinder 271, the cylinder 271 is fixedly connected with the rotating column 13, a conical block 272 is fixedly mounted at the upper end of the cylinder 271, and a grinding ring 273 with a triangular cross section is uniformly and fixedly mounted on the outer end surface of the conical block 272; the positive electrode material smoothly enters between the polishing ring 273 and the polishing mating ring 212 through the conical block 272 for polishing.
Referring to fig. 2 and 6, the winding rope 147 is formed by rotationally connecting a plurality of rotating blocks 1471, limiting blocks 1472 are fixedly installed at the front ends of the rotating blocks 1471, the limiting blocks 1472 are matched with the adjacent rotating blocks 1471, and lead blocks 1481 are fixedly installed at the lower side of the inner part of the scraping ring 148; the rolling rope 147 is perpendicular to the horizontal plane when being unfolded by matching the limiting block 1472 with the rotating block 1471 which is rotationally connected, the gravity center of the scraping ring 148 is lowered by the lead block 1481, and the extrusion force of the scraping ring 148 on the anode material powder and the solid product on the arc-shaped scraping groove 143 is increased.
The working principle of the invention is as follows: the first step: firstly, the positive electrode material is poured into a crushing box 22, a motor II 23 drives a gear I24 to rotate, so that a gear II 25 is driven to rotate, and finally adjacent crushing rollers 26 rotate in opposite directions, the positive electrode material is crushed, and crushed positive electrode material fragments enter a crushing cylinder 21.
And a second step of: the first motor 12 drives the crushing frame 27 to rotate to crush the positive electrode material fragments, so that the positive electrode material fragments become positive electrode material powder, the positive electrode material powder enters the reaction cylinder 11, and the rotating stirring frame 14 stirs the positive electrode material powder, so that the positive electrode material powder is uniformly distributed in the reaction cylinder 11.
And a third step of: sodium hydroxide solution is introduced into the reaction cylinder 11 through the liquid inlet 16, the positive electrode material powder and the sodium hydroxide solution are fully contacted and reacted through the stirring frame 14, after the reaction is completed, the reaction liquid is discharged out of the reaction cylinder 11 through the liquid discharge pipe 18, the cleaning water is introduced into the reaction cylinder 11 through the liquid inlet 16, the rotating stirring frame 14 cleans solids, the cleaning liquid is discharged out of the reaction cylinder 11 through the liquid discharge pipe 18, and the cleaned solids are discharged out of the reaction cylinder 11 through the liquid discharge pipe 17.
In the description of the present invention, it should be understood that the terms "center," "middle," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "end," "axial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features which is indicated. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides a positive pole material recovery plant for lithium cell production which characterized in that: comprises a stirring unit (1) and a crushing unit (2):
the crushing unit (2) is arranged at the upper end of the stirring unit (1) and is used for crushing the anode plate;
the stirring unit (1) comprises a reaction cylinder (11) for accommodating the reaction of the positive electrode material powder and the sodium hydroxide solution, a motor I (12) is fixedly arranged at the lower side of the reaction cylinder (11) through a motor seat, a rotating column (13) is fixedly arranged at the output shaft of the motor I (12) through a coupler, a stirring frame (14) for stirring the mixture of the positive electrode material powder and the sodium hydroxide solution is fixedly arranged at the outer end of the rotating column (13), a liquid inlet (16) for introducing the sodium hydroxide solution and the cleaning water is fixedly arranged at the right end of the reaction cylinder (11), a discharging pipe (17) for discharging solid matters is fixedly arranged at the lower end of the reaction cylinder (11), a liquid discharging pipe (18) for discharging liquid is fixedly arranged at the left end of the reaction cylinder (11), and a crushing unit (2) is fixedly arranged at the upper end of the reaction cylinder (11);
crushing unit (2) are including smashing section of thick bamboo (21), reaction section of thick bamboo (11) upper end fixed mounting has crushing section of thick bamboo (21) that holds the positive pole material and smash, crushing section of thick bamboo (21) upper end fixed mounting has crushing box (22) that holds the positive pole material and smash, crushing box (22) front end is through motor cabinet fixed mounting has motor second (23), motor second (23) output shaft has gear first (24) through shaft coupling fixed mounting, even rotation in crushing box (22) front end is connected with a plurality of intermeshing's gear second (25), gear first (24) and adjacent gear second (25) intermesh, crushing roller (26) that carries out the breakage to the positive pole material are all fixedly installed with gear first (24) rear end, crushing frame (27) are connected with the crushing frame (27) that smashes the positive pole material in the rotation of crushing section of thick bamboo (21), fixed connection between crushing frame (27) and the steering column (13).
2. The positive electrode material recovery apparatus for lithium battery production according to claim 1, wherein: stirring frame (14) are including puddler (141), even fixed mounting of spliced pole (13) outer end has puddler (141), the inclination of adjacent puddler (141) is different, spliced pole (13) right-hand member fixed mounting has scrapes flitch (142), arc scraping trough (143) have been offered to scraping flitch (142) near reaction drum (11) section of thick bamboo wall one side bilateral symmetry, fixed bolster (144) are just located scraping flitch (142) upside to spliced pole (13) outer end, there is miniature motor three (145) through motor cabinet fixed mounting in fixed bolster (144), miniature motor three (145) output shaft has rolling post (146) through shaft coupling fixed mounting, fixed mounting has rolling rope (147) on rolling post (146), rolling rope (147) end are provided with scraping material ring (148), it has offered anti-interference groove (149) just to be located scraping flitch (142) upside, anti-interference groove (149) cooperatees with arc scraping trough (143).
3. The positive electrode material recovery apparatus for lithium battery production according to claim 1, wherein: an electric valve I (171) is fixedly arranged at the inner end of the discharge pipe (17), and a collecting box (172) is clamped at the lower end of the discharge pipe (17).
4. The positive electrode material recovery apparatus for lithium battery production according to claim 1, wherein: the inner fixed mounting of fluid-discharge tube (18) has electric valve two (181), and fluid-discharge tube (18) inside fixed mounting has filter (182), and filter (182) right-hand member rotates and is connected with scrapes material sword (183), scrapes material sword (183) terminal fixed mounting and has magnetism to inhale piece (184), and fluid-discharge tube (18) outer end rotation is connected with swivel (185), swivel (185) right-hand member fixed mounting has control lever (186), and control lever (186) terminal fixed mounting has magnetism stone (187).
5. The positive electrode material recovery apparatus for lithium battery production according to claim 1, wherein: the utility model discloses a grinding device, including a grinding section of thick bamboo (21), a filter block (217) is fixed on the inner wall of a grinding section of thick bamboo (21), an annular fitting piece (211) is fixed mounting in the inner wall of a grinding section of thick bamboo (21), an abrasive fit ring (212) is evenly fixed mounting in the inner wall of an annular fitting piece (211), a communication pipeline (213) is fixed mounting in the upper end of a grinding section of thick bamboo (21), an air outlet (214) is evenly fixed mounting in the lower extreme of a communication pipeline (213), an air pump (215) is fixed mounting in the right end of a grinding section of thick bamboo (21), an air inlet pipe (216) is fixed mounting in the right end of an air pump (215), a filter block (217) is fixed mounting in the inner wall of an air inlet pipe (216), and the communication pipeline (213) is fixedly connected with the air pump (215).
6. The positive electrode material recovery apparatus for lithium battery production according to claim 1, wherein: crushing teeth (261) are uniformly and fixedly arranged at the outer end of the crushing roller (26), and inclined cleaning brushes (262) are fixedly arranged on the inner wall of the crushing cylinder (21) and positioned on the lower side of the crushing roller (26).
7. The positive electrode material recovery apparatus for lithium battery production according to claim 1, wherein: the crushing frame (27) comprises a cylinder (271), the cylinder (271) is rotationally connected with the crushing cylinder (21), the cylinder (271) is fixedly connected with the rotary column (13), a conical block (272) is fixedly arranged at the upper end of the cylinder (271), and a grinding ring (273) with a triangular cross section is uniformly and fixedly arranged on the outer end face of the conical block (272).
8. The positive electrode material recovery apparatus for lithium battery production according to claim 2, wherein: the winding rope (147) is formed by rotationally connecting a plurality of rotating blocks (1471), limiting blocks (1472) are fixedly arranged at the front ends of the rotating blocks (1471), the limiting blocks (1472) are matched with the adjacent rotating blocks (1471), and lead blocks (1481) are fixedly arranged at the lower side of the inside of the scraping ring (148).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310702528.2A CN116505119A (en) | 2023-06-14 | 2023-06-14 | Positive electrode material recovery device for lithium battery production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310702528.2A CN116505119A (en) | 2023-06-14 | 2023-06-14 | Positive electrode material recovery device for lithium battery production |
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| CN202310702528.2A Pending CN116505119A (en) | 2023-06-14 | 2023-06-14 | Positive electrode material recovery device for lithium battery production |
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