CN116967255A - Thermal desorption treatment system for recycling lithium battery - Google Patents
Thermal desorption treatment system for recycling lithium battery Download PDFInfo
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- CN116967255A CN116967255A CN202310932094.5A CN202310932094A CN116967255A CN 116967255 A CN116967255 A CN 116967255A CN 202310932094 A CN202310932094 A CN 202310932094A CN 116967255 A CN116967255 A CN 116967255A
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- thermal desorption
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- lithium battery
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- 238000003795 desorption Methods 0.000 title claims abstract description 48
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 45
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000004064 recycling Methods 0.000 title description 5
- 238000000227 grinding Methods 0.000 claims abstract description 129
- 239000000843 powder Substances 0.000 claims abstract description 48
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000012216 screening Methods 0.000 claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 34
- 239000002245 particle Substances 0.000 abstract description 12
- 239000002912 waste gas Substances 0.000 abstract description 6
- 239000008187 granular material Substances 0.000 description 6
- 238000000197 pyrolysis Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/15—Electronic waste
- B09B2101/16—Batteries
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of thermal desorption equipment, in particular to a thermal desorption treatment system for a recovered lithium battery, wherein a second motor drives a helical blade to rotate so as to lift powder particles at the lower part of a lifting cylinder to an inclined pipe and discharge the powder particles into a decomposition box, the powder particles fall onto a supporting plate from the inclined pipe, heating and decomposing are performed through a heating device, waste gas is discharged into a tail gas adsorption tower from the exhaust pipe to be treated, after the decomposition is completed, a third motor drives a screw rod to rotate, so as to drive the supporting plate to move left and right, and when the supporting plate moves leftwards, the inclined seat is matched to push the decomposed powder on the supporting plate to separate from the supporting plate and fall into a collection box so as to facilitate subsequent treatment; the lithium battery powder grinding and screening device comprises a grinding and screening mechanism, a feeding mechanism, a thermal desorption mechanism and a tail gas treatment mechanism, wherein the grinding and screening mechanism screens further powder of a primarily crushed lithium battery, the feeding mechanism conveys the powder screened by the grinding and screening mechanism, the thermal desorption mechanism carries out heating decomposition on the powder, and the tail gas treatment mechanism carries out treatment on tail gas generated by the thermal desorption mechanism.
Description
Technical Field
The invention relates to the technical field of thermal desorption equipment, in particular to a thermal desorption treatment system for a recovered lithium battery.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The abandoned lithium battery contains a large amount of valuable metals, and the direct discarding of the abandoned lithium battery not only causes the waste of a large amount of metal materials, but also causes serious pollution to the environment, so that the subsequent treatment is an urgent need to solve the problem after the service life of the lithium battery reaches the limit.
If the lithium battery is directly discarded in the recycling lithium battery thermal desorption treatment system, which is an auxiliary device for performing thermal desorption treatment on the dried, crushed and screened lithium battery in the recycling process of the waste lithium battery, thereby separating metal materials and the like, the lithium battery thermal desorption treatment system is widely used in the technical field of thermal desorption equipment; in the prior art, patent application number 202310151297.0 discloses pyrolysis equipment for recycling waste lithium batteries, which is characterized in that after pyrolysis is carried out in an inclined charging pyrolysis mode, a double-cylinder resistance furnace is arranged and then is respectively collected from the bottom of a furnace body, so that the loss caused by powder adhesion can be avoided; the existing thermal desorption equipment for recovering lithium batteries generally needs to carry out the steps of crushing, grinding, screening, heating decomposition, tail gas treatment and the like on the lithium batteries through a plurality of groups of equipment, but the equipment is more dispersed, the occupied area is larger, and when the crushed powder is subjected to heating decomposition, the filling material is difficult to discharge waste rapidly and stably, so that the efficiency is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides the thermal desorption treatment system for the recovered lithium battery, which has a compact structure and is convenient for rapid charging and waste discharge.
The invention relates to a thermal desorption treatment system for a recovered lithium battery, which comprises a grinding and screening mechanism, a feeding mechanism, a thermal desorption mechanism and a tail gas treatment mechanism, wherein the grinding and screening mechanism is used for further screening powder of the primarily crushed lithium battery, the feeding mechanism is used for conveying the powder screened by the grinding and screening mechanism, the thermal desorption mechanism is used for heating and decomposing the powder, and the tail gas treatment mechanism is used for treating the tail gas generated by the thermal desorption mechanism; when using recovery lithium cell thermal desorption processing system, the lithium cell piece after will preliminary breakage and select separately is added in the powder mill case, the motor drives the rotatory cooperation grinding seat of powder mill and grinds battery piece, smash the piece of head to great piece simultaneously, in the granule after grinding gets into the hoist drum after the screen cloth sieves, the second motor drives helical blade and rotatory powder granule that promotes the hoist drum lower part is lifted to the pipe chute department and is discharged into the decomposition incasement, powder granule drops on the layer board from the pipe chute, carry out the pyrolysis through heating device, waste gas is discharged into in the tail gas adsorption tower from the pipe chute and is handled, after the decomposition is accomplished, the third motor drives the lead screw and rotates, thereby drive the layer board and move about, cooperation inclined holder pushes away the powder after the decomposition on the layer board and drops to the collecting box in the follow-up of being convenient for when moving, the layer board moves about and resets again and decompose the operation, the cylinder drives left picture peg and right picture peg, cooperation left socket and right socket can carry out nimble shutoff, in effective resistance heat gets into the pipe chute when controlling the material loading, overall structure is simple and compact, and through the cooperation collecting box, can be to the high efficiency after the powder is blocked, high practicality is high.
Preferably, the grinding and screening mechanism comprises a grinding box, a bottom column, a feeding pipe, a grinding seat, a first motor, a grinding shaft, a grinding disc, a grinding rod, a grinding head, a screen, a discharge pipe and a discharge pipe, wherein the bottom column is fixedly arranged at the bottom of the grinding box, the feeding pipe is arranged at the top of the grinding box, the grinding seat is fixedly arranged in the grinding box, a grinding groove is formed in the grinding seat, the first motor is fixedly arranged at the top of the grinding box, the grinding shaft is rotatably arranged in the grinding box and is connected with the output end of the first motor, the grinding disc is fixedly arranged at the bottom of the grinding shaft and is positioned in the grinding groove, the grinding rod is fixedly arranged at the middle part of the grinding rod, the grinding head is fixedly arranged at the end part of the grinding rod, the screen is obliquely and fixedly arranged at the lower end of the inside of the grinding box and is positioned below the grinding seat, the discharge pipe is arranged at the left part of the grinding box and is positioned above the screen, and the discharge pipe is arranged at the bottom of the grinding box; the motor drives the powder grinding disc to rotate and is matched with the grinding seat to grind battery scraps, meanwhile, the grinding head is used for grinding larger scraps, the grinding cone head is used for improving the grinding effect, and the ground particles are screened by the screen.
Preferably, the feeding mechanism comprises a connecting pipe, a base, a lifting cylinder, a second motor, a rotating shaft, a helical blade and an inclined pipe, wherein the left part of the connecting pipe is fixedly connected with the bottom of the discharging pipe, the base is positioned on the right side of the bottom column, the lifting cylinder is fixedly arranged at the top of the base, the right part of the connecting pipe is inserted into the lifting cylinder to the right, the second motor is fixedly arranged at the top of the lifting cylinder, the rotating shaft is rotationally arranged in the lifting cylinder and is connected with the output end of the second motor, the helical blade is fixedly arranged in the middle of the rotating shaft, and the discharging pipe is arranged at the upper end of the right part of the lifting cylinder; the second motor drives the helical blade to rotate so as to lift the powder particles at the lower part of the lifting cylinder to the inclined tube.
Preferably, the thermal desorption mechanism comprises an outer box, a support column, a decomposition box, a heating device, a supporting plate, an inclined seat, an exhaust pipe, a discharge pipe, a collecting box, a pushing mechanism and a feeding control mechanism, wherein the outer box is positioned on the right side of the lifting cylinder, the support column is fixedly arranged at the inner bottom end of the outer box, the decomposition box is fixedly arranged at the top of the support column, the heating device is fixedly arranged in the decomposition box, the inclined seat is fixedly arranged at the inner left end of the decomposition box, the supporting plate is movably arranged on the inclined seat, the right part of the inclined pipe is obliquely inserted into the decomposition box to the right side and is positioned above the supporting plate, the exhaust pipe is arranged at the top of the decomposition box and penetrates out of the outer box to the right side, the discharge pipe is arranged at the bottom of the decomposition box, the collecting box is fixedly arranged in the outer box and is connected with the bottom of the discharge pipe, the pushing mechanism is arranged in the outer box and is connected with the supporting plate, and the feeding control device is arranged in the middle of the inclined pipe and is positioned in the outer box; the powder particles fall on the supporting plate from the inclined tube, are heated and decomposed by the heating device, and the waste gas is discharged from the waste gas pipe.
Preferably, the pushing mechanism comprises a third motor, a screw rod, a limiting block, a connecting plate and a protective sleeve, wherein the third motor is fixedly arranged at the left end of the inside of the outer box, the screw rod is arranged at the output end of the third motor, the limiting block is fixedly arranged at the right part of the screw rod, the lower part of the connecting plate is spirally arranged at the middle part of the screw rod, the upper part of the connecting plate is fixedly connected with the left part of the supporting plate, and the protective sleeve is fixedly arranged at the left part of the decomposition box and sleeved at the left part of the supporting plate; the third motor drives the lead screw to rotate, thereby driving the supporting plate to move left and right, and the supporting plate is matched with the inclined seat to push the decomposed powder on the supporting plate away from the supporting plate and fall into the collecting box to facilitate subsequent treatment when moving leftwards, and the supporting plate moves rightwards and resets to perform decomposition operation again.
Preferably, the feeding control mechanism comprises a cross frame, an air cylinder, a cross plate, a left plugboard, a left socket, a right plugboard and a right socket, wherein the cross frame is fixedly arranged at the left end of the inside of the outer box, the air cylinder is fixedly arranged at the middle part of the cross frame, the cross plate is fixedly arranged at the bottom of the air cylinder, the left plugboard is fixedly arranged at the left part of the cross plate, the left socket is fixedly arranged at the middle part of the inclined tube, the bottom of the left plugboard is downwards inserted into the left socket, the right plugboard is fixedly arranged at the right part of the cross plate, the right socket is fixedly arranged at the middle part of the inclined tube and is positioned at the right side of the left socket, and the bottom of the right plugboard is downwards inserted into the right socket; the cylinder drives the left inserting plate and the right inserting plate to move up and down, and the left inserting plate and the right inserting plate are matched to flexibly plug the inclined tube, so that the feeding is controlled, and meanwhile, heat is effectively prevented from entering the inclined tube.
Preferably, the tail gas treatment mechanism comprises a tail gas adsorption tower and a tail gas pipe, the tail gas adsorption tower is positioned at the right part of the outer box and is connected with the output end of the waste gas pipe, and the tail gas pipe is arranged at the top of the tail gas adsorption tower; through the arrangement, the harmful components in the tail gas are adsorbed.
Preferably, the crushing device further comprises a crushing cone head, wherein the crushing cone head is fixedly arranged on the crushing head; the crushing effect of the crushing head is improved through the arrangement.
Preferably, the grinding machine further comprises an inclined plate, wherein the inclined plate is fixedly arranged at the inner bottom end of the grinding box and is positioned below the screen.
Preferably, the device further comprises a funnel and a sealing cover, wherein the funnel is fixedly arranged at the top of the feeding pipe, and the sealing cover is arranged at the top of the funnel.
Compared with the prior art, the invention has the beneficial effects that: when using recovery lithium cell thermal desorption processing system, the lithium cell piece after will preliminary breakage and select separately is added in the powder mill case, the motor drives the rotatory cooperation grinding seat of powder mill and grinds battery piece, smash the piece of head to great piece simultaneously, in the granule after grinding gets into the hoist drum after the screen cloth sieves, the second motor drives helical blade and rotatory powder granule that promotes the hoist drum lower part is lifted to the pipe chute department and is discharged into the decomposition incasement, powder granule drops on the layer board from the pipe chute, carry out the pyrolysis through heating device, waste gas is discharged into in the tail gas adsorption tower from the pipe chute and is handled, after the decomposition is accomplished, the third motor drives the lead screw and rotates, thereby drive the layer board and move about, cooperation inclined holder pushes away the powder after the decomposition on the layer board and drops to the collecting box in the follow-up of being convenient for when moving, the layer board moves about and resets again and decompose the operation, the cylinder drives left picture peg and right picture peg, cooperation left socket and right socket can carry out nimble shutoff, in effective resistance heat gets into the pipe chute when controlling the material loading, overall structure is simple and compact, and through the cooperation collecting box, can be to the high efficiency after the powder is blocked, high practicality is high.
Drawings
FIG. 1 is a first schematic axial view of the present invention;
FIG. 2 is a second schematic view of the present invention;
FIG. 3 is a schematic diagram of the front view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 6 is an isometric cross-sectional schematic view of the grinding case of the present invention;
FIG. 7 is an isometric cross-sectional structural schematic drawing of a lift cylinder of the present invention;
FIG. 8 is an isometric cross-sectional schematic view of the outer box of the present invention;
FIG. 9 is a schematic front cross-sectional view of the outer case of the present invention;
FIG. 10 is a schematic view of the front cross-sectional structure of the decomposition tank of the present invention;
the reference numerals in the drawings: 1. a powder grinding box; 2. a bottom post; 3. a feed pipe; 4. grinding seat; 5. a first motor; 6. grinding shaft; 7. a powder grinding disc; 8. crushing the rod; 9. a crushing head; 10. a screen; 11. a discharge pipe; 12. a discharge pipe; 13. a connecting pipe; 14. a base; 15. a lifting cylinder; 16. a second motor; 17. a rotating shaft; 18. a helical blade; 19. a chute; 20. an outer case; 21. a support post; 22. a decomposition tank; 23. a heating device; 24. a supporting plate; 25. an inclined seat; 26. an exhaust pipe; 27. a discharge pipe; 28. a collection box; 29. a third motor; 30. a screw rod; 31. a limiting block; 32. a connecting plate; 33. a protective sleeve; 34. a cross frame; 35. a cylinder; 36. a cross plate; 37. a left plugboard; 38. a left socket; 39. a right plugboard; 40. a right socket; 41. a tail gas adsorption tower; 42. a tail gas pipe; 43. breaking the cone head; 44. a sloping plate; 45. a funnel; 46. sealing cover.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. This invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The thermal desorption treatment system for the recovered lithium battery comprises a grinding and screening mechanism, a feeding mechanism, a thermal desorption mechanism and a tail gas treatment mechanism, wherein the grinding and screening mechanism is used for further screening powder of the primarily crushed lithium battery, the feeding mechanism is used for conveying the powder screened by the grinding and screening mechanism, the thermal desorption mechanism is used for heating and decomposing the powder, the tail gas generated by the thermal desorption mechanism is treated by the tail gas treatment mechanism, the grinding and screening mechanism comprises a grinding box 1, a bottom column 2, a feeding pipe 3, a grinding seat 4, a first motor 5, a grinding shaft 6, a grinding disc 7, a grinding rod 8, a grinding head 9, a screen 10, a discharge pipe 11 and a discharge pipe 12, the bottom column 2 is fixedly arranged at the bottom of the grinding box 1, the feeding pipe 3 is arranged at the top of the grinding box 1, the grinding seat 4 is fixedly arranged in the grinding box 1, a grinding groove is arranged in the grinding seat 4, the first motor 5 is fixedly arranged at the top of the grinding box 1, the grinding shaft 6 is rotatably arranged in the grinding box 1 and is connected with the output end of the first motor 5, the grinding disc 7 is fixedly arranged at the bottom of the grinding shaft 6 and is positioned in the grinding groove, the grinding rod 8 is fixedly arranged at the middle part of the grinding rod, the grinding head is fixedly arranged at the end part of the grinding rod 8, the screen 10 is obliquely and fixedly arranged at the lower end of the inside of the grinding box 1 and is positioned below the grinding seat 4, the discharge pipe 11 is arranged at the left part of the grinding box 1 and is positioned above the screen 10, the discharge pipe 12 is arranged at the bottom of the grinding box 1, the feeding mechanism comprises a connecting pipe 13, a base 14, a lifting cylinder 15, a second motor 16, a rotating shaft 17, a helical blade 18 and a chute 19, the left part of the connecting pipe 13 is fixedly connected with the bottom of the discharge pipe 12, the base 14 is positioned at the right of the bottom column 2, the lifting cylinder 15 is fixedly arranged at the top of the base 14, the right part of the connecting pipe 13 is inserted into the lifting cylinder 15 to the right, the second motor 16 is fixedly arranged at the top of the lifting cylinder 15, the rotating shaft 17 is rotatably arranged in the lifting cylinder 15 and is connected with the output end of the second motor 16, the helical blade 18 is fixedly arranged at the middle part of the rotating shaft 17, the discharging pipe 12 is arranged at the upper right end of the lifting cylinder 15, the crushing cone 4343 is fixedly arranged on the crushing head 9, the inclined plate 44 is fixedly arranged at the bottom end of the inside of the grinding box 1 and is positioned below the screen 10, the funnel 45 is fixedly arranged at the top of the feeding pipe 3, and the sealing cover 46 covers the top of the funnel 45; the motor drives the grinding disc 7 to rotate and match with the grinding seat 4 to grind battery scraps, meanwhile, the grinding head 9 is used for grinding scraps with larger blocks, the grinding cone head is used for improving the grinding effect, the ground particles enter the lifting cylinder 15 after being screened by the screen 10, and the second motor 16 drives the helical blades 18 to rotate so as to lift the powder particles at the lower part of the lifting cylinder 15 to the inclined tube 19.
Example 2
The thermal desorption treatment system for the recovered lithium battery comprises a grinding and screening mechanism, a feeding mechanism, a thermal desorption mechanism and a tail gas treatment mechanism, wherein the grinding and screening mechanism is used for further screening powder of the primarily crushed lithium battery, the feeding mechanism is used for conveying the powder screened by the grinding and screening mechanism, the thermal desorption mechanism is used for heating and decomposing the powder, the tail gas generated by the thermal desorption mechanism is treated by the tail gas treatment mechanism, the thermal desorption mechanism comprises an outer box 20, a support column 21, a decomposition box 22, a heating device 23, a support plate 24, an inclined seat 25, an exhaust pipe 26, a discharge pipe 27, a collecting box 28, a pushing mechanism and a feeding control mechanism, the outer box 20 is positioned on the right of a lifting cylinder 15, the support column 21 is fixedly arranged at the inner bottom end of the outer box 20, the decomposition box 22 is fixedly arranged at the top of the support column 21, the heating device 23 is fixedly arranged in the decomposition box 22, the inclined seat 25 is fixedly arranged at the left end of the inside of the decomposition tank 22, the supporting plate 24 is movably arranged on the inclined seat 25, the right part of the inclined tube 19 is obliquely inserted into the decomposition tank 22 downwards to the right and is positioned above the supporting plate 24, the exhaust tube 26 is arranged at the top of the decomposition tank 22 and penetrates out of the outer tank 20 to the right, the discharge tube 27 is arranged at the bottom of the decomposition tank 22, the collecting tank 28 is fixedly arranged in the outer tank 20 and is connected with the bottom of the discharge tube 27, the pushing mechanism is arranged in the outer tank 20 and is connected with the supporting plate 24, the feeding control device is arranged in the middle of the inclined tube 19 and is positioned in the outer tank 20, the pushing mechanism comprises a third motor 29, a screw 30, a limiting block 31, a connecting plate 32 and a protective sleeve 33, the third motor 29 is fixedly arranged at the left end of the inside of the outer tank 20, the screw 30 is arranged at the output end of the third motor 29, the limiting block 31 is fixedly arranged at the right part of the screw 30, the lower part of the connecting plate 32 is spirally arranged at the middle of the screw 30, the upper part of the connecting plate 32 is fixedly connected with the left part of the supporting plate 24, the protective sleeve 33 is fixedly arranged at the left part of the decomposing tank 22 and sleeved at the left part of the supporting plate 24, the feeding control mechanism comprises a transverse frame 34, an air cylinder 35, a transverse plate 36, a left inserting plate 37, a left inserting plate 38, a right inserting plate 39 and a right inserting plate 40, the transverse frame 34 is fixedly arranged at the left end of the inside of the outer tank 20, the air cylinder 35 is fixedly arranged at the middle part of the transverse frame 34, the transverse plate 36 is fixedly arranged at the bottom of the air cylinder 35, the left inserting plate 37 is fixedly arranged at the left part of the transverse plate 36, the left inserting plate 38 is fixedly arranged at the middle part of the inclined tube 19, the bottom of the left inserting plate 37 is downwards inserted into the left inserting plate 38, the right inserting plate 39 is fixedly arranged at the right part of the transverse plate 36, the right inserting plate 40 is fixedly arranged at the middle part of the inclined tube 19 and positioned at the right side of the left inserting plate 38, the bottom of the right inserting plate 39 is downwards inserted into the right inserting plate 40, the tail gas treatment mechanism comprises a tail gas adsorption tower 41 and a tail gas pipe 42, the tail gas adsorption tower 41 is positioned at the right part of the outside of the outer tank 20 and is connected with the output end of the tail gas pipe 26, and the tail gas pipe 42 is arranged at the top of the adsorption tower 41; the cylinder 35 drives the left plugboard 37 and the right plugboard 39 to move up and down, the left socket 38 and the right socket 40 are matched to flexibly plug the inclined tube 19, feeding is controlled, powder particles fall onto the supporting plate 24 from the inclined tube 19, heating decomposition is carried out through the heating device 23, after the decomposition is completed, the third motor 29 drives the screw rod 30 to rotate, thereby driving the supporting plate 24 to move left and right, and when the supporting plate 24 moves leftwards, the inclined seat 25 is matched to push the decomposed powder on the supporting plate 24 to fall into the collecting box 28 from the supporting plate 24, so that the subsequent processing is facilitated.
As shown in fig. 1 to 10, in the thermal desorption treatment system for the recovered lithium battery, when the thermal desorption treatment system for the recovered lithium battery is used, primarily crushed and separated lithium battery scraps are added into a grinding box 1, a motor drives a grinding disc 7 to rotate to match a grinding seat 4 to grind the battery scraps, meanwhile, a grinding head 9 grinds the scraps with larger mass, the ground particles are screened by a screen 10 and then enter a lifting cylinder 15, a second motor 16 drives a helical blade 18 to rotate to lift the powder particles at the lower part of the lifting cylinder 15 to a position of a chute 19 and are discharged into a decomposition box 22, the powder particles drop onto a supporting plate 24 from the chute 19 and are heated and decomposed by a heating device 23, exhaust gas is discharged from the exhaust pipe 26 into the tail gas adsorption tower 41 for treatment, after decomposition, the third motor 29 drives the screw rod 30 to rotate, thereby driving the supporting plate 24 to move left and right, the supporting plate 24 is matched with the inclined seat 25 to push powder decomposed on the supporting plate 24 away from the supporting plate 24 and fall into the collecting box 28 for subsequent treatment when moving leftwards, the supporting plate 24 moves rightwards to reset and can be decomposed again, the cylinder 35 drives the left inserting plate 37 and the right inserting plate 39 to move upwards and downwards, the left inserting plate 38 and the right inserting plate 40 are matched for flexibly blocking the inclined pipe 19, heat is effectively blocked from entering the inclined pipe 19 when feeding is controlled, the whole structure is simple and compact, and the collecting box 28 is matched through the supporting plate 24, so that the decomposed powder can be discharged rapidly, the efficiency is high, and the practicability is high.
The first motor, the grinding seat, the powder grinding disc, the screen, the second motor, the third motor, the cylinder, the heating device and the tail gas adsorption tower of the recovery lithium battery thermal desorption treatment system are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. The thermal desorption treatment system for the recovered lithium battery is characterized by comprising a grinding and screening mechanism, a feeding mechanism, a thermal desorption mechanism and a tail gas treatment mechanism, wherein the grinding and screening mechanism screens further powder of the primarily crushed lithium battery, the feeding mechanism conveys the powder screened by the grinding and screening mechanism, the thermal desorption mechanism heats and decomposes the powder, and the tail gas treatment mechanism treats tail gas generated by the thermal desorption mechanism.
2. The thermal desorption treatment system for a recovered lithium battery according to claim 1, wherein the grinding and sieving mechanism comprises a grinding box (1), a bottom column (2), a feed pipe (3), a grinding seat (4), a first motor (5), a grinding shaft (6), a grinding disc (7), a grinding rod (8), a grinding head (9), a screen (10), a discharge pipe (11) and a discharge pipe (12), the bottom column (2) is fixedly arranged at the bottom of the grinding box (1), the feed pipe (3) is arranged at the top of the grinding box (1), the grinding seat (4) is fixedly arranged in the grinding box (1), a grinding groove is arranged in the grinding seat (4), the first motor (5) is fixedly arranged at the top of the grinding box (1), the grinding shaft (6) is rotatably arranged in the grinding box (1) and is connected with the output end of the first motor (5), the grinding disc (7) is fixedly arranged at the bottom of the grinding shaft (6) and is positioned in the grinding groove, the grinding rod (8) is fixedly arranged at the middle of the grinding rod, the grinding head (8) is fixedly arranged at the inclined end of the grinding head (10) and is arranged at the upper end of the grinding seat (10) and is positioned at the lower end of the grinding seat (10) which is fixedly arranged at the lower end of the grinding seat (1), the discharging pipe (12) is arranged at the bottom of the grinding box (1).
3. The thermal desorption treatment system for the recovered lithium battery as claimed in claim 2, wherein the feeding mechanism comprises a connecting pipe (13), a base (14), a lifting cylinder (15), a second motor (16), a rotating shaft (17), a helical blade (18) and an inclined pipe (19), the left part of the connecting pipe (13) is fixedly connected with the bottom of the discharging pipe (12), the base (14) is positioned on the right side of the bottom column (2), the lifting cylinder (15) is fixedly installed at the top of the base (14), the right part of the connecting pipe (13) is inserted into the lifting cylinder (15) to the right, the second motor (16) is fixedly installed at the top of the lifting cylinder (15), the rotating shaft (17) is rotatably arranged in the lifting cylinder (15) and is connected with the output end of the second motor (16), the helical blade (18) is fixedly installed at the middle part of the rotating shaft (17), and the discharging pipe (12) is installed at the upper right part of the lifting cylinder (15).
4. A thermal desorption processing system for a recovered lithium battery according to claim 3, wherein the thermal desorption mechanism comprises an outer tank (20), a support column (21), a decomposition tank (22), a heating device (23), a supporting plate (24), an inclined seat (25), an exhaust pipe (26), a discharge pipe (27), a collection tank (28), a pushing mechanism and a feeding control mechanism, wherein the outer tank (20) is positioned on the right side of the lifting cylinder (15), the support column (21) is fixedly arranged at the inner bottom end of the outer tank (20), the decomposition tank (22) is fixedly arranged at the top of the support column (21), the heating device (23) is fixedly arranged in the decomposition tank (22), the inclined seat (25) is fixedly arranged at the inner left end of the decomposition tank (22), the supporting plate (24) is movably arranged on the inclined seat (25), the right part of the inclined pipe (19) is obliquely inserted into the decomposition tank (22) and positioned above the supporting plate (24), the exhaust pipe (26) is arranged at the top of the decomposition tank (22) and penetrates the outer tank (20) to the right, the discharge pipe (27) is arranged at the bottom of the decomposition tank (22) and fixedly arranged in the collection tank (28) and is fixedly connected with the bottom of the outer tank (20), the feeding control device is arranged in the middle of the inclined tube (19) and is positioned in the outer box (20).
5. The thermal desorption processing system for recovering lithium batteries according to claim 4, wherein the pushing mechanism comprises a third motor (29), a lead screw (30), a limiting block (31), a connecting plate (32) and a protective sleeve (33), wherein the third motor (29) is fixedly arranged at the left end of the inside of the outer box (20), the lead screw (30) is arranged at the output end of the third motor (29), the limiting block (31) is fixedly arranged at the right part of the lead screw (30), the lower part of the connecting plate (32) is spirally arranged at the middle part of the lead screw (30), the upper part of the connecting plate (32) is fixedly connected with the left part of the supporting plate (24), and the protective sleeve (33) is fixedly arranged at the left part of the decomposition box (22) and sleeved on the left part of the supporting plate (24).
6. The thermal desorption processing system for a recovered lithium battery as claimed in claim 4, wherein the feeding control mechanism comprises a cross frame (34), an air cylinder (35), a cross plate (36), a left plug board (37), a left plug board (38), a right plug board (39) and a right plug board (40), wherein the cross frame (34) is fixedly arranged at the left end of the inside of the outer box (20), the air cylinder (35) is fixedly arranged at the middle part of the cross frame (34), the cross plate (36) is fixedly arranged at the bottom of the air cylinder (35), the left plug board (37) is fixedly arranged at the left part of the cross plate (36), the left plug board (38) is fixedly arranged at the middle part of the inclined pipe (19), the bottom of the left plug board (37) is downwards inserted into the left plug board (38), the right plug board (39) is fixedly arranged at the right part of the cross plate (36), the right plug board (40) is fixedly arranged at the middle part of the inclined pipe (19) and is positioned at the right part of the left plug board (38), and the bottom of the right plug board (39) is downwards inserted into the right plug board (40).
7. The thermal desorption processing system for a recovered lithium battery according to claim 4, wherein the tail gas processing mechanism comprises a tail gas adsorption tower (41) and a tail gas pipe (42), the tail gas adsorption tower (41) is positioned at the right part of the outer box (20) and is connected with the output end of the exhaust gas pipe (26), and the tail gas pipe (42) is arranged at the top of the tail gas adsorption tower (41).
8. A thermal desorption processing system for a recovered lithium battery according to claim 2, further comprising a crushing cone head (43), wherein the crushing cone head (43) (43) is fixedly mounted on the crushing head (9).
9. The thermal desorption processing system for a recovered lithium battery according to claim 2, further comprising a sloping plate (44), wherein the sloping plate (44) is fixedly arranged at the inner bottom end of the grinding box (1) and below the screen (10).
10. The thermal desorption processing system for the recovered lithium battery according to claim 2, further comprising a funnel (45) and a sealing cover (46), wherein the funnel (45) is fixedly arranged at the top of the feeding pipe (3), and the sealing cover (46) is arranged at the top of the funnel (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310932094.5A CN116967255A (en) | 2023-07-27 | 2023-07-27 | Thermal desorption treatment system for recycling lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310932094.5A CN116967255A (en) | 2023-07-27 | 2023-07-27 | Thermal desorption treatment system for recycling lithium battery |
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| CN202310932094.5A Withdrawn CN116967255A (en) | 2023-07-27 | 2023-07-27 | Thermal desorption treatment system for recycling lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324354A (en) * | 2023-12-01 | 2024-01-02 | 天能集团江苏科技有限公司 | Environment-friendly battery waste recycling equipment |
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2023
- 2023-07-27 CN CN202310932094.5A patent/CN116967255A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324354A (en) * | 2023-12-01 | 2024-01-02 | 天能集团江苏科技有限公司 | Environment-friendly battery waste recycling equipment |
| CN117324354B (en) * | 2023-12-01 | 2024-02-09 | 天能集团江苏科技有限公司 | Environment-friendly battery waste recycling equipment |
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