CN117936966B - Waste lithium battery discharge treatment device - Google Patents
Waste lithium battery discharge treatment device Download PDFInfo
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- CN117936966B CN117936966B CN202410334762.9A CN202410334762A CN117936966B CN 117936966 B CN117936966 B CN 117936966B CN 202410334762 A CN202410334762 A CN 202410334762A CN 117936966 B CN117936966 B CN 117936966B
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- pipe
- liquid containing
- air supply
- supply pipeline
- containing frame
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- 208000028659 discharge Diseases 0.000 title claims abstract description 97
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 63
- 239000002699 waste material Substances 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 145
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 150000003839 salts Chemical class 0.000 claims abstract description 71
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 7
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 description 28
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 239000011780 sodium chloride Substances 0.000 description 10
- 238000002791 soaking Methods 0.000 description 8
- 239000012267 brine Substances 0.000 description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 5
- 239000002274 desiccant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000010926 waste battery Substances 0.000 description 1
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention relates to a waste lithium battery discharge treatment device, which relates to the technical field of lithium battery recovery and comprises a first discharge box, a second discharge box, a water pump, a cooling tank, a first air supply pipeline and a second air supply pipeline, wherein liquid containing frames are fixed at the bottoms of the first discharge box and the second discharge box, a salt content tester for detecting the concentration of salt water in the liquid containing frames is arranged in the liquid containing frames and is electrically connected with a controller, a hollowed drawer I is smoothly moved in the liquid containing frames.
Description
Technical Field
The invention relates to the technical field of lithium battery recovery, in particular to a discharge treatment device for waste lithium batteries.
Background
With the rapid development of society, because the lithium battery has the advantages of high energy density, light weight, small volume and the like, the application scene is more and more, the lithium battery is widely applied to energy storage power supply systems such as hydraulic power, firepower, wind power, solar power stations and the like, after being scrapped, if the lithium battery is disposed improperly, the lithium battery is discarded at will, on the one hand, environmental impact and potential safety hazard can be brought to the society, on the other hand, resource waste can be caused, the scrapped lithium battery is disassembled for regeneration treatment, however, the lithium battery has certain capacity, if the residual capacity is not discharged, and huge potential safety hazard can exist in the disassembly process, so that the lithium battery needs to be discharged at first when the lithium battery is recycled, and when the lithium battery is disposed, the waste lithium battery core is put into 5-10% sodium chloride solution for discharging.
At present, most of enterprises put into the soaking tank containing salt water in batches, fully discharge in the soaking tank, take out the lithium battery and send to other sunning for follow-up operation, this kind of mode is in the lithium battery discharge process, the lithium battery exothermic makes the temperature of soaking tank rise, lead to the lithium battery internal resistance to increase, reduce electrochemical reaction's speed, also can have certain security risk, the liquid level evaporation of salt water in the soaking tank is reduced to the temperature rise simultaneously, cause the change of salt water concentration in the soaking tank, also can influence discharge efficiency, and the fishing out of lithium battery is inconvenient after discharging, and when transferring, salt water that contains in the lithium battery can drip along the way, influence operational environment.
Disclosure of Invention
In view of the above, the invention aims to provide a waste lithium battery discharge treatment device, which effectively solves the problems that in the prior art, the temperature and the concentration of brine in a soaking tank are inconvenient to control, the discharge efficiency is affected, and the lithium battery is inconvenient to transfer after discharge.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a discharge treatment device for waste lithium batteries comprises a first discharge box, a second discharge box, a water pump, a first air supply pipeline, a second air supply pipeline and a cooling tank;
liquid containing frames are fixed at the bottoms of the first discharge tank and the second discharge tank;
The first discharge box and the second discharge box are respectively provided with a delivery pump, the input ends of the delivery pumps are respectively communicated with a concentrated brine pipeline and a clear water pipeline through a three-way pipe, the concentrated brine pipeline and the clear water pipeline are respectively provided with an electric valve I, and the output ends of the delivery pumps extend to the upper part of the liquid containing frame;
the liquid level meters are arranged on the outer sides of the first discharge tank and the second discharge tank, the liquid level meters are communicated with a liquid containing frame, and a salt content measuring instrument for detecting the salt concentration in the liquid containing frame is arranged in the liquid containing frame;
The hollow drawer I is horizontally arranged in the liquid containing frame in a moving manner, the waste lithium batteries are placed in the hollow drawer I for discharging, and ventilation openings are formed in the tops of the first discharging box and the second discharging box;
The input end of the water pump is communicated with the two liquid containing frames through a first three-way pipe, the output end of the water pump is communicated with the two liquid containing frames through a second three-way pipe, and electromagnetic valves A are arranged in a branch pipe of the first three-way pipe and a branch pipe of the second three-way pipe;
The first air supply pipeline and the second air supply pipeline are communicated with the inner cavities of the first discharge box and the second discharge box, and exhaust fans I with opposite wind directions are respectively arranged in the first air supply pipeline and the second air supply pipeline;
the exhaust fan B and the electromagnetic valve C are respectively arranged at the joints of the two air inducing frames and the two ends of the collecting pipe, the inner cavity of the collecting pipe is fixedly communicated with an exhaust pipe, and an electric regulating valve I is arranged in the exhaust pipe;
The cooling tank is internally provided with cold water, the cooling tank is internally provided with a collecting pipe, two ends of the collecting pipe are fixedly communicated with a first connecting pipe and a second connecting pipe respectively, one ends of the first connecting pipe and the second connecting pipe, which are far away from the collecting pipe, are respectively communicated with bottom inner cavities of the two liquid containing frames, and an electric regulating valve II and an electric regulating valve III are respectively arranged in the first connecting pipe and the second connecting pipe.
Further, the air outlet ends of the first air supply pipeline and the second air supply pipeline extend into the first discharge box and the second discharge box respectively and are flush with the first hollow drawer, the liquid containing frame is close to the first air supply pipeline and the second air supply pipeline, an air inlet groove is formed in the liquid containing frame, air blown out of the first air supply pipeline and the second air supply pipeline is blown onto the first hollow drawer through the air inlet groove, a water baffle is inserted into the air inlet groove, and the air inlet ends of the first air supply pipeline and the second air supply pipeline extend into the first discharge box and the second discharge box respectively and are higher than the liquid containing frame.
Furthermore, the interior sliding connection of air supply pipeline one and air supply pipeline two has fretwork drawer two, is provided with the drier in the fretwork drawer two.
Further, the output end of the conveying pump is fixedly communicated with a liquid separating pipe, and spray heads are uniformly distributed on the liquid separating pipe.
Further, the outer surface of the collecting pipe is fixedly connected with a radiating fin.
Further, the bottom of the liquid containing frame is fixedly provided with a gas distributing pipe, the two gas distributing pipes are respectively communicated with the first connecting pipe and the second connecting pipe, and the gas distributing pipes are provided with uniformly distributed gas discharging holes.
Further, a drain pipe is fixedly communicated with the bottom of the liquid containing frame, and an electric valve II is arranged in the drain pipe.
Further, switch doors are arranged on the first discharging box and the second discharging box, and the hollowed drawer penetrates through the switch doors and is detachably connected with the switch doors through bolts.
The beneficial effects of the technical scheme are as follows:
1. According to the invention, through the matching design of the water pump, the electromagnetic valve A, the first three-way pipe and the second three-way pipe, the waste lithium batteries can be circularly discharged through the two liquid containing frames, so that the saline in the liquid containing frames is conveyed into the other liquid containing frame through the water pump, the electromagnetic valve A and the first three-way pipe after the discharge is completed, the discharge of the other batch of lithium batteries is carried out, the lithium batteries in the original liquid containing frames are exposed and dried, and the saline for soaking the waste batteries can be recycled.
2. According to the lithium battery drying device, through the matching design of the electric regulating valve I, the exhaust fan II, the electromagnetic valve B and the electromagnetic valve C, when the discharge work is carried out in the liquid containing frame on one side, the controller controls the corresponding exhaust fan I to extract hot waste gas generated when the liquid containing frame discharges and send the hot waste gas into the liquid containing frame on the other side, the lithium battery being dried is dried, the hot waste gas can directly blow the lithium battery being dried through the air outlet ends of the air supply pipeline I and the air supply pipeline II which are flush with the hollow drawer I, so that the lithium battery is dried better, the hot waste gas after the lithium battery is dried is discharged through the corresponding exhaust fan II and the exhaust pipe, the waste gas can be collected, and the environment is prevented from being polluted.
3. According to the invention, heat exchange is carried out between the cooling tank and the collecting pipe, so that the heat of hot waste gas is reduced, one part of the cooled waste gas is discharged through the exhaust pipe, the other part of the cooled waste gas is discharged into the saline water which is discharged through the first connecting pipe or the second connecting pipe, the saline water is cooled, air bubbles are generated in the saline water, ions in the saline water are more uniformly distributed, the discharging efficiency is ensured, and clear water is sprayed through the spray head before the lithium battery is dried after the discharge is completed, so that the lithium battery is cleaned.
4. According to the invention, through the arrangement of the salt content measuring instrument and the liquid level meter, the liquid level and the salt water concentration in the liquid containing frame can be monitored, and corresponding strong salt water and clear water are added through the strong salt water pipeline and the clear water pipeline, so that the liquid level and the salt water concentration in the liquid containing frame are maintained.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic diagram of a first and a second air duct according to the present invention;
FIG. 6 is a schematic diagram of the connection of the water pump and the first tee of the present invention;
FIG. 7 is a schematic view of a header tube and fin connection of the present invention;
FIG. 8 is a schematic view of a gas distribution pipe and a gas discharge hole according to the present invention;
FIG. 9 is a schematic view of a liquid containing frame and a hollow drawer according to the present invention;
FIG. 10 is a schematic view of a liquid containing frame according to the present invention;
FIG. 11 is a schematic view of a hollowed-out drawer according to the present invention;
FIG. 12 is a schematic view of a dam of the present invention.
Reference numerals: 1. a first discharge tank; 2. a second discharge tank; 3. a liquid containing frame; 4. a water pump; 5. a solenoid valve A; 6. a three-way pipe I; 7. an air supply pipeline I; 8. an air supply pipeline II; 9. an exhaust fan I; 10. the first drawer is hollowed out; 11. a salt content measuring instrument; 12. hollow drawers II; 13. concentrated brine pipeline; 14. a clear water pipeline; 15. a spray head; 16. a liquid separating pipe; 17. a transfer pump; 18. a vent; 19. an induced draft frame; 20. a cooling tank; 21. a collection pipe; 22. a heat sink; 23. a solenoid valve B; 24. a solenoid valve C; 25. a T-pipe II; 26. an exhaust fan II; 27. an electric regulating valve II; 28. an electric regulating valve III; 29. a first connecting pipe; 30. a second connecting pipe; 31. a liquid level gauge; 32. an exhaust pipe; 33. an electric regulating valve I; 34. a liquid inlet pipe; 35. a liquid outlet pipe; 36. a drain pipe; 37. opening and closing a door; 38. an air inlet groove; 39. a gas distribution pipe; 40. an exhaust hole; 41. a water baffle; 42. an access door.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
Referring to fig. 1-12, a waste lithium battery discharge treatment device comprises a first discharge box 1, a second discharge box 2, a water pump 4, a cooling tank 20, a first air supply pipeline 7 and a second air supply pipeline 8.
The bottom of the first discharging box 1 and the bottom of the second discharging box 2 are both fixedly provided with a liquid containing frame 3, the inside of the liquid containing frame 3 is provided with a salt content measuring instrument 11 for detecting the salt water concentration in the liquid containing frame 3, the salt content measuring instrument 11 is electrically connected with a controller, the liquid containing frame 3 horizontally slides with a hollowed-out drawer I10, the hollowed-out drawer I10 can be pulled out to the outside of the liquid containing frame 3 to enable waste lithium batteries to be tiled on the hollowed-out drawer I10, the first discharging box 1 and the second discharging box 2 are provided with a switch door 37, the switch door 37 can be used for overhauling the internal mechanisms of the first discharging box 1 and the second discharging box 2, the hollowed-out drawer I10 penetrates through the switch door 37 and is detachably connected with the switch door 37 through bolts, the hollowed-out drawer I10 and the switch door 37 are fixedly connected during discharging, the hollowed-out drawer I10 is prevented from moving, and when the lithium batteries are replaced, the fixation of the hollowed-out drawer I10 and the switch door 37 is released.
The first discharge tank 1 and the second discharge tank 2 are respectively provided with a delivery pump 17, the input ends of the delivery pumps 17 are respectively communicated with a concentrated salt water pipeline 13 and a clear water pipeline 14 through three-way pipes, electric valves I are respectively arranged in the concentrated salt water pipeline 13 and the clear water pipeline 14, the output ends of the delivery pumps 17 extend to the upper part of the liquid containing frame 3, the delivery pumps 17 and the electric valves I are electrically connected with a controller, according to the required salt water concentration, under the premise of being capable of immersing the hollow drawer I10, the injected concentrated salt water and clear water can be obtained, the controller sequentially controls the opening amplitude and the opening time of the two electric valves I, the required concentrated salt water and the required clear water are respectively injected into the liquid containing frame 3 through the delivery pumps 17, the salt water concentration in the liquid containing frame 3 is between 5 and 10%, the salt water in the liquid containing frame 3 is immersed into the hollow drawer I10 through a water hole formed in the hollow drawer I10, the waste lithium battery is fixedly communicated with a drain pipe 36 at the bottom of the liquid containing frame 3, the electric valves 36 are arranged in the drain pipe, and the electric valves II are connected with the second discharge tank 2, and the top of the second discharge tank is connected with the first discharge tank 18.
The first discharging tank 1 and the second discharging tank 2 are both provided with a liquid level meter 31 outside, the liquid level meter 31 is communicated with the liquid containing frame 3, the liquid level meter 31 is electrically connected with the controller, the liquid level meter 31 monitors the liquid level in the liquid containing frame 3 and transmits the liquid level to the controller, the salt content tester 11 periodically detects the salt water concentration in the liquid containing frame 3, when the salt water concentration in the liquid containing frame 3 is lower than a target value, the controller opens an electric valve I in the salt water pipe 13, the salt water is conveyed into the liquid containing frame 3 through the conveying pump 17, the salt water concentration in the liquid containing frame 3 after conveying reaches 7%, when the salt water concentration in the liquid containing frame 3 is higher than the target value, the controller opens an electric valve I in the clear water pipe 14, the conveying pump 17 conveys clear water into the liquid containing frame 3, the salt water concentration in the liquid containing frame 3 after conveying reaches 7%, the controller judges whether the added salt water or the liquid level in the liquid containing frame 3 exceeds the highest position of the liquid containing frame 3, if the salt water is not exceeded, the salt water or the salt water is added, if the salt water is not exceeded, the salt water is discharged into a part of the liquid containing frame 3, and the salt water is discharged through the electric valve II, and the liquid is added into the liquid containing frame 3.
When the liquid level in the liquid containing frame 3 is higher than the highest position of the liquid containing frame 3, the controller opens the second electric valve to discharge the liquid in the liquid containing frame 3 to one part, when the liquid level in the liquid containing frame 3 is lower than the first hollow drawer 10, the salt content tester 11 detects the salt water concentration in the liquid containing frame 3 at the moment, and the controller controls the corresponding first electric valve to open according to the salt water concentration, so that the liquid containing frame 3 supplements strong salt water or clear water on the premise that the salt water level in the liquid containing frame 3 after meeting the requirement of the salt water concentration and after supplementing does not exceed the highest position of the liquid containing frame 3.
The input of water pump 4 is linked together through three-way pipe one 6 and two flourishing liquid frame 3, the output of water pump 4 is linked together through three-way pipe two 25 and two flourishing liquid frame 3, solenoid valve A5 is all installed to the branch pipe of three-way pipe one 6 and the branch pipe of three-way pipe two 25 in, water pump 4 and solenoid valve A5 are connected with the controller electricity, through the cooperation design of water pump 4, solenoid valve A, three-way pipe one 6, three-way pipe two 25, can carry out the circulation discharge to old and useless lithium cell through two flourishing liquid frame 3 for the brine in flourishing liquid frame 3 after discharging completely carries in another flourishing liquid frame 3 through water pump 4, solenoid valve A, three-way pipe one 6, three-way pipe two 25, carries out the discharge of another batch of lithium cell, the lithium cell in the primary flourishing liquid frame 3 exposes and dries, can use the salt water circulation of soaking the battery like this.
The first air supply pipeline 7 and the second air supply pipeline 8 are communicated with the inner cavities of the first discharging box 1 and the second discharging box 2, the first air supply pipeline 7 and the second air supply pipeline 8 are internally provided with the first exhaust fan 9 with opposite wind directions respectively, the first air supply pipeline 7 and the second air supply pipeline 8 are internally provided with the access door 42 for overhauling the first exhaust fan 9, the drying agent is placed inside the first air supply pipeline 7 and the second air supply pipeline 8, the drying agent can dry hot waste gas discharged by the lithium battery, the hollow drawer 12 is slidably connected inside the first air supply pipeline 7 and the second air supply pipeline 8, the drying agent is arranged in the hollow drawer 12, the hollow drawer 12 which can be arranged is convenient to replace the drying agent, the first discharging box 1 and the second discharging box 2 are internally provided with the induced air frames 19, two ends of the collecting pipe 21 are respectively communicated with the two induced air frames 19, the inside of the induced air frames 19 is provided with the second exhaust fan 26, the electromagnetic valve B23 and the electromagnetic valve C24 are respectively installed at the joints of the two induced air frames 19 and the two ends of the collecting pipe 21, the inner cavities of the collecting pipe 21 are fixedly communicated with the exhaust pipe 32, the exhaust pipe 32 is connected with an external waste gas treatment device, the first electric exhaust pipe 32 is connected with the external waste gas treatment device, the first exhaust pipe 3 and the second exhaust pipe 3 is connected with the electromagnetic valve B and the electromagnetic valve B23, the second exhaust valve B is connected with the corresponding to the electromagnetic valve C3, and the exhaust fan 3, when the exhaust gas is not connected with the electromagnetic valve C3, the exhaust fan is controlled, and the exhaust air is not connected with the exhaust fan 3, and the exhaust air 3, the exhaust air is discharged to the exhaust air from the other side, and the other side is kept from the exhaust air, and the exhaust air from the air, and the air 3, and the exhaust air is discharged from the air, and the air is discharged from the air, and the air is air.
The air outlet ends of the first air supply pipeline 7 and the second air supply pipeline 8 extend into the first discharge box 1 and the second discharge box 2 respectively and are flush with the first hollow drawer 10, the liquid containing frame 3 is close to the first air supply pipeline 7 and the second air supply pipeline 8, the air inlet groove 38 is formed in the liquid containing frame 3, wind energy blown out of the first air supply pipeline 7 and the second air supply pipeline 8 can be blown onto the first hollow drawer 10 through the air inlet groove 38, the water baffle 41 is inserted into the air inlet groove 38, saline can be blocked from entering the first air supply pipeline 7 and the second air supply pipeline 8 when discharging, the air inlet ends of the first air supply pipeline 7 and the second air supply pipeline 8 extend into the first discharge box 1 and the second discharge box 2 respectively and are higher than the liquid containing frame 3, and the air outlet ends of the first air supply pipeline 7 and the second air supply pipeline 8 are flush with the first hollow drawer 10 respectively, so that hot waste gas can directly blow the lithium battery to be dried, and the lithium battery can be dried better dried.
The cooling tank 20 is internally provided with cold water, the cooling tank 20 is internally provided with a liquid inlet pipe 34 and a liquid outlet pipe 35, the cold water can be replaced periodically, the cooling tank 20 is internally provided with a collecting pipe 21, the outer surface of the collecting pipe 21 is fixedly connected with a radiating fin 22, the radiating fin 22 can enlarge the radiating area of the collecting pipe 21, the radiating effect of hot waste gas is better, two ends of the collecting pipe 21 are fixedly communicated with a first connecting pipe 29 and a second connecting pipe 30 respectively, one end of the first connecting pipe 29 and one end of the second connecting pipe 30, which are far away from the collecting pipe 21, are communicated with the bottom inner cavities of two liquid containing frames 3 respectively, an electric regulating valve two 27 and an electric regulating valve three 28 are arranged in the first connecting pipe 29 and the second connecting pipe 30 respectively, the electric regulating valve two 27 and the electric regulating valve three 28 are electrically connected with a controller, the bottoms of the liquid containing frames 3 are fixedly provided with a gas distributing pipe 39 respectively, the two gas distributing pipes 39 are respectively communicated with the first connecting pipe 29 and the second connecting pipe 30, the gas distributing pipe 39 is provided with a vent 40 which is uniformly distributed, the cooling tank 20 can be used for exchanging heat with the collecting pipe 21, the heat of the hot waste gas is reduced, one part of the cooled waste gas is discharged through the vent 32, the other part is discharged through the vent pipe 32, the first part of the connecting pipe or the second part of the salt water is uniformly distributed in the salt water through the first connecting pipe 29 or the salt water, which is more uniformly distributed in the salt water, and the salt water is discharged in the salt water, and the salt water is guaranteed to be discharged uniformly.
The output end of the delivery pump 17 is fixedly communicated with a liquid separating pipe 16, spray heads 15 are uniformly distributed on the liquid separating pipe 16, and clear water is sprayed through the spray heads 15 before the lithium battery is dried after discharge is completed through the spray heads 15, so that the lithium battery is cleaned.
Working principle: firstly, waste lithium batteries are cleaned through a first discharge box 1, the waste lithium batteries are evenly spread on a first hollow drawer 10 and slide into a liquid containing frame 3, the first hollow drawer 10 is prevented from moving through bolts and connected with a switch door 37, a controller controls a concentrated salt water pipeline 13 and a clear water pipeline 14 to inject concentrated salt water and clear water into the liquid containing frame 3, the salt water concentration in the liquid containing frame 3 is between 5% and 10%, the waste lithium batteries are soaked in salt water and discharged, a water baffle 41 of a second discharge box 2 is pumped out, an exhaust fan I9 in an air supply pipeline I7 and an exhaust fan II 26 in the second discharge box 2 are opened, an electromagnetic valve C24, an electric regulating valve I33 and an electric regulating valve II 27 are opened, an electromagnetic valve B23 and an electric regulating valve III 28 are closed, hot waste gas generated by lithium battery discharge is directly blown into the first hollow drawer 10 in the second discharge box 2 through the exhaust fan I9 and the air supply pipeline I7, the hot waste gas in the second discharge box 2 is sucked into a collecting pipe 21, the waste gas in the cooling groove 20 is slightly cooled down, the waste gas in the first discharge box is transferred to the first discharge box 1 through a part of the cooling device and a part of the first discharge box 3, the waste gas is completely discharged into the first discharge box 1 through a water pump 3, and the first discharge box 1 is completely cooled down, and the waste gas in the first discharge box is completely cooled down, and the waste gas is completely discharged into the first discharge box 1 is completely discharged through a water tank 1, and the first discharge box 1 is completely cooled down;
Similarly, a new batch of lithium batteries to be discharged are placed in the second discharge box 2, the water baffle 41 of the first discharge box 1 is pulled out, the first exhaust fan 9 in the air supply pipeline II 8 and the second exhaust fan 26 in the first discharge box 1 are opened, the electromagnetic valve B23, the electric regulating valve III 28 and the electric regulating valve I33 are opened, the electromagnetic valve C24 and the electric regulating valve II 27 are closed, hot waste gas generated by the second discharge box 2 is directly blown into the hollow drawer I10 in the second discharge box 2 through the first exhaust fan 9 and the air supply pipeline II 8, the dried lithium batteries are dried, the second exhaust fan 26 sucks the hot waste gas in the first discharge box 1 into the collecting pipe 21, a part of the hot waste gas is cooled through the cooling groove 20, the waste gas is discharged into the waste gas treatment device through the exhaust pipe II 30, the other part of the waste gas enters saline water in the second discharge box 2 and generates bubbles, and the saline water is cooled and slightly stirred;
The liquid level meter 31 monitors the liquid level in the liquid containing frame 3 and transmits the liquid level to the controller, the salt content tester 11 periodically detects the salt water concentration in the liquid containing frame 3, when the salt water concentration exceeds a target value, the controller judges whether the liquid level in the liquid containing frame 3 exceeds the highest position of the liquid containing frame 3 after adding strong salt water or clear water, if so, the controller opens the electric valve II, firstly, the liquid in the liquid containing frame 3 is partially discharged and then the strong salt water or clear water is replenished, the liquid level meter 31 monitors the liquid level in the liquid containing frame 3 and transmits the liquid level to the controller, when the liquid level in the liquid containing frame 3 is higher than the highest position of the liquid containing frame 3, the controller opens the electric valve II, the liquid in the liquid containing frame 3 is discharged to one part, when the liquid level in the liquid containing frame 3 is lower than the first hollow drawer 10, the salt content tester 11 detects the salt water concentration in the liquid containing frame 3 at this moment, and the controller controls the corresponding electric valve I to open according to the salt water concentration, so that the liquid containing frame 3 can be replenished with the salt water or clear water under the premise that the salt water level in the liquid containing frame 3 does not exceed the highest position of the liquid containing frame 3 after replenishing.
Claims (8)
1. The utility model provides a old and useless lithium cell discharge processing device which characterized in that: the device comprises a first discharge box (1), a second discharge box (2), a water pump (4), a first air supply pipeline (7), a second air supply pipeline (8) and a cooling groove (20);
The bottoms of the first discharge box (1) and the second discharge box (2) are respectively fixed with a liquid containing frame (3);
the first discharge box (1) and the second discharge box (2) are respectively provided with a delivery pump (17), the input end of the delivery pump (17) is respectively communicated with a concentrated salt water pipeline (13) and a clear water pipeline (14) through a three-way pipe, the concentrated salt water pipeline (13) and the clear water pipeline (14) are respectively provided with an electric valve I, and the output end of the delivery pump (17) extends to the upper part of the liquid containing frame (3);
The liquid level meter (31) is arranged on the outer sides of the first discharge box (1) and the second discharge box (2), the liquid level meter (31) is communicated with the liquid containing frame (3), and a salt content measuring instrument (11) for detecting the salt water concentration in the liquid containing frame (3) is arranged in the liquid containing frame (3);
The hollow drawer I (10) is horizontally moved in the liquid containing frame (3), the waste lithium batteries are placed in the hollow drawer I (10) for discharging, and ventilation openings (18) are formed in the tops of the first discharging box (1) and the second discharging box (2);
The input end of the water pump (4) is communicated with the two liquid containing frames (3) through a first three-way pipe (6), the output end of the water pump (4) is communicated with the two liquid containing frames (3) through a second three-way pipe (25), and electromagnetic valves A (5) are arranged in a branch pipe of the first three-way pipe (6) and a branch pipe of the second three-way pipe (25);
the first air supply pipeline (7) and the second air supply pipeline (8) are communicated with the inner cavities of the first discharge box (1) and the second discharge box (2), and exhaust fans (9) with opposite wind directions are respectively arranged in the first air supply pipeline (7) and the second air supply pipeline (8);
An air inducing frame (19) is fixed inside the first discharge box (1) and the second discharge box (2), two ends of the collecting pipe (21) are respectively communicated with two air inducing frames (19), an exhaust fan II (26) is arranged inside the air inducing frames (19), an electromagnetic valve B (23) and an electromagnetic valve C (24) are respectively arranged at the connection points of the two air inducing frames (19) and the two ends of the collecting pipe (21), an exhaust pipe (32) is fixedly communicated with the inner cavity of the collecting pipe (21), and an electric regulating valve I (33) is arranged inside the exhaust pipe (32);
Be provided with cold water in cooling bath (20), be provided with collecting pipe (21) in cooling bath (20), the both ends of collecting pipe (21) are fixed respectively and are linked together first (29) of connecting pipe and second (30) of connecting pipe, and one end that collecting pipe (21) was kept away from to first (29) of connecting pipe and second (30) is linked together with the bottom inner chamber of two flourishing liquid frame (3) respectively, electric control valve second (27) and electric control valve third (28) are installed respectively to the inside of connecting pipe first (29) and second (30) of connecting pipe.
2. The waste lithium battery discharge treatment device according to claim 1, wherein: the air outlet ends of the first air supply pipeline (7) and the second air supply pipeline (8) extend into the first discharge box (1) and the second discharge box (2) respectively and are flush with the first hollow drawer (10), the liquid containing frame (3) is close to the first air supply pipeline (7) and the second air supply pipeline (8), an air inlet groove (38) is formed in the liquid containing frame (3), air blown out of the first air supply pipeline (7) and the second air supply pipeline (8) is blown onto the first hollow drawer (10) through the air inlet groove (38), a water baffle (41) is inserted into the air inlet groove (38), and the air inlet ends of the first air supply pipeline (7) and the second air supply pipeline (8) extend into the first discharge box (1) and the second discharge box (2) respectively and are higher than the liquid containing frame (3).
3. The discharge treatment device for waste lithium batteries according to claim 1 or 2, characterized in that: the inside sliding connection of air supply pipeline one (7) and air supply pipeline two (8) has fretwork drawer two (12), is provided with the drier in fretwork drawer two (12).
4. The waste lithium battery discharge treatment device according to claim 1, wherein: the output end of the conveying pump (17) is fixedly communicated with a liquid separating pipe (16), and spray heads (15) are uniformly distributed on the liquid separating pipe (16).
5. The waste lithium battery discharge treatment device according to claim 1, wherein: the outer surface of the collecting pipe (21) is fixedly connected with a radiating fin (22).
6. The waste lithium battery discharge treatment device according to claim 1, wherein: the bottom of the liquid containing frame (3) is fixedly provided with a gas distributing pipe (39), the two gas distributing pipes (39) are respectively communicated with the first connecting pipe (29) and the second connecting pipe (30), and the gas distributing pipes (39) are provided with uniformly distributed gas discharging holes (40).
7. The waste lithium battery discharge treatment device according to claim 1, wherein: the bottom of the liquid containing frame (3) is fixedly communicated with a drain pipe (36), and an electric valve II is arranged in the drain pipe.
8. The waste lithium battery discharge treatment device according to claim 1, wherein: the first discharging box (1) and the second discharging box (2) are provided with switch doors (37), and the first hollowed drawer (10) penetrates through the switch doors (37) and is detachably connected with the switch doors (37) through bolts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410334762.9A CN117936966B (en) | 2024-03-22 | 2024-03-22 | Waste lithium battery discharge treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410334762.9A CN117936966B (en) | 2024-03-22 | 2024-03-22 | Waste lithium battery discharge treatment device |
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| CN117936966B true CN117936966B (en) | 2024-05-31 |
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Citations (5)
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|---|---|---|---|---|
| US6007931A (en) * | 1998-06-24 | 1999-12-28 | International Fuel Cells Corporation | Mass and heat recovery system for a fuel cell power plant |
| CN109103527A (en) * | 2018-08-23 | 2018-12-28 | 清华四川能源互联网研究院 | Waste and old power battery electric discharge device and method |
| CN211743332U (en) * | 2020-04-29 | 2020-10-23 | 北矿机电科技有限责任公司 | Discharge device for waste power lithium ion battery |
| CN218448081U (en) * | 2022-10-31 | 2023-02-03 | 安徽超越环保科技股份有限公司 | Quick discharging device of old and useless lithium cell |
| CN219716967U (en) * | 2023-05-30 | 2023-09-19 | 骆驼集团资源循环襄阳有限公司 | Saline discharging device of lithium ion battery |
-
2024
- 2024-03-22 CN CN202410334762.9A patent/CN117936966B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6007931A (en) * | 1998-06-24 | 1999-12-28 | International Fuel Cells Corporation | Mass and heat recovery system for a fuel cell power plant |
| CN109103527A (en) * | 2018-08-23 | 2018-12-28 | 清华四川能源互联网研究院 | Waste and old power battery electric discharge device and method |
| CN211743332U (en) * | 2020-04-29 | 2020-10-23 | 北矿机电科技有限责任公司 | Discharge device for waste power lithium ion battery |
| CN218448081U (en) * | 2022-10-31 | 2023-02-03 | 安徽超越环保科技股份有限公司 | Quick discharging device of old and useless lithium cell |
| CN219716967U (en) * | 2023-05-30 | 2023-09-19 | 骆驼集团资源循环襄阳有限公司 | Saline discharging device of lithium ion battery |
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| CN117936966A (en) | 2024-04-26 |
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