CN111389547A - Device for recovering waste lithium ion battery electrolyte at normal temperature - Google Patents
Device for recovering waste lithium ion battery electrolyte at normal temperature Download PDFInfo
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- CN111389547A CN111389547A CN202010329423.3A CN202010329423A CN111389547A CN 111389547 A CN111389547 A CN 111389547A CN 202010329423 A CN202010329423 A CN 202010329423A CN 111389547 A CN111389547 A CN 111389547A
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- electrolyte
- lithium ion
- ion battery
- roller
- vacuum drying
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 68
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 53
- 239000002699 waste material Substances 0.000 title claims abstract description 38
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000000463 material Substances 0.000 claims abstract description 69
- 238000001291 vacuum drying Methods 0.000 claims abstract description 64
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 40
- 238000004064 recycling Methods 0.000 claims abstract description 21
- 238000005086 pumping Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 7
- 239000008399 tap water Substances 0.000 description 16
- 235000020679 tap water Nutrition 0.000 description 16
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- 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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
-
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Secondary Cells (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
The invention relates to the technical field of recycling of waste lithium ion batteries, and provides a device for recycling waste lithium ion battery electrolyte at normal temperature, which comprises a material inlet connecting pipe, a vacuum drying device, a condensing device, a nitrogen collecting device and an electrolyte collecting box, wherein the discharge end of the material inlet connecting pipe is hermetically connected with the vacuum drying device, the top of the vacuum drying device is provided with a vacuum pumping hole, the vacuum pumping hole is connected with a condensate inlet end of the condensing device, a vacuum pump for pumping waste lithium ion battery electrolyte vapor is arranged between the vacuum pumping hole and the condensing device, a condensate outlet end of the condensing device is connected with the electrolyte collecting box, a nitrogen outlet connecting pipe is connected between the condensate outlet end and the electrolyte collecting box, and the nitrogen outlet connecting pipe is connected with the nitrogen collecting. The invention realizes the recovery of the electrolyte in the direct crushed material of the waste lithium ion battery at normal temperature.
Description
Technical Field
The invention relates to the technical field of recycling of waste lithium ion batteries, in particular to a device for recycling electrolyte of a waste lithium ion battery at normal temperature.
Background
Lithium ion batteries are often used in the fields of mobile phones, notebook computers, video cameras, audio products, power supplies of electric tools, power supplies of electric automobiles and the like, and as the lithium ion battery technology is continuously developed and applied, a large amount of waste lithium ion batteries are generated. Because the electrolyte of the lithium ion battery has heavy smell and quick volatilization, is harmful to the health of production operators and has great environmental pollution, a device for recovering the electrolyte of the waste lithium ion battery is urgently needed to properly recover the electrolyte of the lithium ion battery.
Disclosure of Invention
Aiming at the problems, the invention provides a device for recovering waste lithium ion battery electrolyte at normal temperature.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a normal atmospheric temperature retrieves abandonment lithium ion battery electrolyte device, the device includes that material import is taken over, vacuum drying equipment, condensing equipment, nitrogen gas collection device and electrolyte collecting box, the entrance point that material import was taken over and the discharge gate sealing connection who is used for carrying the broken equipment of the broken abandonment lithium ion battery who leads to the nitrogen gas, the discharge end that material import was taken over with vacuum drying equipment sealing connection, vacuum drying equipment's bottom is equipped with the hopper that connects that is used for discharging the broken material of abandonment lithium ion battery, the bin outlet that connects the hopper sets up the second flange apron, vacuum drying equipment's top is equipped with the vacuum extraction opening, and this vacuum extraction opening passes through the vacuum tube and connects condensing equipment's condensate entrance point, just the vacuum extraction opening with set up the vacuum pump that is used for extracting abandonment lithium ion battery electrolyte vapour between the condensing equipment, the electrolyte collecting device is characterized in that a condensate outlet end of the condensing device is connected with the electrolyte collecting box, a nitrogen outlet connecting pipe is connected between the condensate outlet end and the electrolyte collecting box, and the nitrogen outlet connecting pipe is connected with the nitrogen collecting device.
In a mode that can realize, vacuum drying equipment includes the vacuum drying equipment outer container and is located the cylinder of vacuum drying equipment outer container, the cylinder includes the cylinder barrel, the internal surface of cylinder barrel sets up a plurality of inboard stock guides, and the front end welding of cylinder barrel has the front end cylinder roller, and the middle welding has cylinder drive gear, and the rear end welding has the rear end cylinder roller, cylinder drive gear meshing pinion, the pinion directly links the motor through motor drive shaft.
In one implementation, the inner material guiding plates form an angle with the horizontal direction, and are equidistantly arranged in a row along the axial direction of the roller body, and twelve rows are evenly distributed along the circumferential direction of the roller body. The roller rotates at the rotating speed of 5-15 r/min, the materials fed into the front end of the roller body are gradually transferred to the rear end of the roller body through the inner side material guide plate, are guided into the material receiving hopper through the material discharging guide plate, and are discharged through the material discharging opening of the vacuum drying equipment.
In one implementation, the drum further comprises a dust-proof protective cover, and the drum transmission gear, the pinion, the motor transmission shaft and the motor are all arranged in the dust-proof protective cover.
In one implementation, the vacuum drying apparatus is installed on a base, a roller base is installed on the top of the base, the front roller is installed on a front roller frame, the rear roller is installed on a rear roller frame, and the front roller frame, the rear roller frame and the motor are all installed on the roller base.
In a mode that can realize, the material import is taken over and is fixed in vacuum drying equipment outer container left side through seal ring, the entrance point of material import takeover passes through first flange sealing connection with the discharge gate that is used for carrying the equipment of leading to the broken discarded lithium ion battery material of nitrogen gas breakage, the discharge end inserts the front end, the broken material of the discarded lithium ion battery who thoughtlessly has nitrogen gas takes over through the material import and gives the cylinder into, can close first flange board at first flange opening part after the feed is accomplished, and this first flange board accessible first bolt can be dismantled with first flange and be connected.
In a mode that can realize, the inside right side of vacuum drying equipment outer container is installed organic gas concentration detector, and organic gas concentration detector is equipped with the metal protection net outward, the outside right side of vacuum drying equipment outer container sets up sight glass and organic gas concentration display to in observe, read the inside dry condition of material and organic gas concentration of vacuum drying equipment.
In a mode that can realize, open one side of vacuum drying equipment outer container has the access door, is convenient for shut down and overhauls the interior equipment of vacuum drying equipment. And sealing gaskets are arranged around the access door to keep the sealing property of the inner space of the vacuum drying equipment.
In a mode that can realize, the bin outlet welding has the second flange, unpacks apart the second flange apron when arranging the material, arranges the material and finishes closing the second flange apron to fasten with the second bolt, second flange and second flange apron all have six bolt holes.
In one implementation mode, a vacuum filter for filtering materials and dust in the vacuum drying equipment is installed at the top of the inner side of the outer box of the vacuum drying equipment, and the vacuum filter is located below the vacuum pumping hole.
Furthermore, a vacuum air exhaust adjusting valve is arranged on the vacuum air exhaust opening and used for adjusting the vacuum degree in the vacuum drying equipment.
Further, the exterior of the vacuum-pumping pipe is wrapped with heat-insulating sponge to keep the temperature of the gas.
In a mode that can realize, nitrogen gas outlet nozzle inlet department is provided with the nitrogen gas outlet guide plate, and this nitrogen gas outlet guide plate becomes the angle with the horizontal direction and flows back with thoughtlessly having the electrolyte water conservancy diversion in the nitrogen gas, the gas outlet of nitrogen gas outlet nozzle passes through third flange joint nitrogen gas collection device, the nitrogen gas outlet guide plate with be equipped with the nitrogen gas outlet nozzle governing valve that is used for adjusting nitrogen gas exhaust rate between the third flange.
In an implementation manner, the condensate outlet end is connected with the electrolyte collecting box through an electrolyte outlet connecting pipe, a fourth flange and a fifth flange are arranged at the joint of the electrolyte collecting box and the electrolyte outlet connecting pipe and connected, and an electrolyte outlet connecting pipe regulating valve for regulating the electrolyte discharge rate is arranged between the fourth flange and the fifth flange; and the fourth flange and the fifth flange are provided with six bolt holes and are fastened and connected by using third bolts.
In one implementation manner, the condensing device comprises a condensing pipe, a condensing box, a water pump and a water tank, the condensing pipe is fixed in the condensing box, the inlet end of the condensing pipe is communicated with the condensate inlet end, and the outlet end of the condensing pipe is communicated with the condensate outlet end; the condenser pipe is externally covered with a condenser pipe jacket, the outlet end of the condenser pipe jacket is connected with the water tank through a water inlet pipe of the water tank, the inlet end of the condenser pipe jacket is connected with the water tank through a water suction pipe of the water tank, and the water suction pipe of the water tank is provided with the water pump.
The water pump sucks tap water from the water tank through the water tank suction pipe and pumps the tap water into the water inlet end of the condenser pipe clamp sleeve, the tap water cools the condenser pipe in the condenser pipe clamp sleeve, the tap water is cooled and then enters the water inlet pipe of the water tank through the water outlet end of the condenser pipe clamp sleeve, and the tap water is discharged into the water tank, so that the recycling of the cooled tap water can be realized.
In one implementation mode, the four sides of the outer wall of the water tank are provided with fins which are easy to dissipate heat, and an air blower with the height being equal to that of the water tank is arranged at a position away from the water tank to blow and dissipate heat of tap water.
The invention has the beneficial effects that: the device disclosed by the invention is based on a negative pressure sealing feeding mode, and the recovery of the electrolyte in the directly crushed material of the waste lithium ion battery at normal temperature is realized; the waste lithium ion battery crushed materials can be sufficiently loosened through the arranged inner side material guide plate, so that the recovery efficiency of electrolyte in the waste lithium ion battery crushed materials is improved; through the condensing box, the water tank and the accessories thereof, the effective separation and recovery of the electrolyte in the broken materials of the introduced nitrogen and the waste lithium ion battery can be realized, and the recycling of the cooling water of the condensing pipe is realized, so that the high-efficiency recycling of resources is realized.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an apparatus for recycling electrolyte of a waste lithium ion battery at normal temperature according to an exemplary embodiment of the present invention;
fig. 2 is a plan view of the structure of a vacuum drying apparatus according to an exemplary embodiment of the present invention;
FIG. 3 is a schematic view of the outer case side of the vacuum drying apparatus according to an exemplary embodiment of the present invention;
fig. 4 is a schematic view illustrating the arrangement of the inner guide plates according to an exemplary embodiment of the present invention;
fig. 5 is a schematic structural view of a sight glass and an organic gas concentration display on the vacuum drying apparatus according to an exemplary embodiment of the present invention;
FIG. 6 is a schematic illustration of a first flange and first blind flange connection according to an exemplary embodiment of the present invention;
FIG. 7 is a schematic illustration of a second flange and second blind flange connection according to an exemplary embodiment of the present invention;
fig. 8 is a schematic structural view of a fourth flange and a third bolt connection according to an exemplary embodiment of the present invention.
Reference numerals:
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1 to 8, the device for recovering electrolyte of a waste lithium ion battery at normal temperature provided by this embodiment includes a material inlet connection pipe 4, a vacuum drying apparatus 1, a condensing device, a nitrogen gas collecting device, and an electrolyte collecting box 61, wherein an inlet end of the material inlet connection pipe 4 is hermetically connected to a discharge port of an apparatus for conveying broken waste lithium ion battery materials that are broken by introducing nitrogen gas, a discharge end 43 of the material inlet connection pipe 4 is hermetically connected to the vacuum drying apparatus 1, a material receiving hopper 16 for discharging broken waste lithium ion battery materials is disposed at the bottom of the vacuum drying apparatus 1, a discharge port 62 of the material receiving hopper 16 is provided with a second flange cover plate 67, a vacuum pumping port 19 is disposed at the top of the vacuum drying apparatus 1, and the vacuum pumping port 19 is connected to an inlet end condensate 25 of the condensing device through a vacuum pumping tube 22, and a vacuum pump 23 for extracting electrolyte vapor of the waste lithium ion battery is arranged between the vacuum extraction opening 19 and the condensing device, a condensate outlet end 51 of the condensing device is connected with the electrolyte collecting box 61, a nitrogen outlet connecting pipe 54 is connected between the condensate outlet end 51 and the electrolyte collecting box 61, and the nitrogen outlet connecting pipe 54 is connected with the nitrogen collecting device.
In a mode that can realize, vacuum drying equipment 1 includes vacuum drying equipment outer container 2 and is located the cylinder 3 of vacuum drying equipment outer container 2, cylinder 3 includes cylinder 31, the internal surface of cylinder 31 sets up a plurality of inboard stock guides 34, and the front end 32 welding of cylinder 31 has front end cylinder roller 35, and the centre welding has cylinder drive gear 36, and the welding of rear end 33 has rear end cylinder roller 40, cylinder drive gear 36 meshing pinion 37, pinion 37 directly links motor 39 through motor drive shaft 38.
In one possible implementation, the inner material guiding plates 34 are arranged in a row at an equal distance from the horizontal direction along the axial direction of the drum 31, and twelve rows are evenly distributed along the circumferential direction of the drum 31 at an angle of 30 degrees. The roller 3 runs at a rotating speed of 5-15 r/min, the material fed into the front end 32 of the roller cylinder 31 is gradually transferred to the rear end 33 of the roller cylinder 31 through the inner side material guide plate 34, is guided into the receiving hopper 16 through the discharging guide plate 10, and is discharged through the discharging opening 62 of the vacuum drying equipment.
In one possible implementation, the drum 3 further includes a dust-proof protection cover 5, and the drum transmission gear 36, the pinion gear 37, the motor transmission shaft 38, and the motor 39 are all disposed in the dust-proof protection cover 5.
In one implementation, the vacuum drying apparatus 1 is installed on a base 9, the drum base 8 is installed on the top of the base 9, the front end drum roller 35 is installed on the front end drum roller frame 6, the rear end drum roller 40 is installed on the rear end drum roller frame 7, and the front end drum roller frame 6, the rear end drum roller frame 7 and the motor 39 are all installed on the drum base 8.
In a mode that can realize, material import takeover 4 is fixed on the vacuum drying equipment outer container 2 left side through seal ring 42, the entrance point of material import takeover 4 and the discharge gate that is used for carrying the broken equipment of leading to the broken discarded lithium ion battery of nitrogen broken material pass through first flange 41 sealing connection, discharge end 43 inserts front end 32, thoughtlessly there is the broken material of discarded lithium ion battery of nitrogen gas to give into cylinder 3 through material import takeover 4, can close first flange cover plate 65 at first flange 41 opening part after the feed is accomplished, and this first flange cover plate 65 accessible first bolt 66 can dismantle with first flange 41 and be connected.
In a mode that can realize, organic gas concentration detector 13 is installed on the inside right side of vacuum drying equipment outer container 2, is equipped with metal protection net 12 outside organic gas concentration detector 13, vacuum drying equipment outer container 2 outside right side sets up sight glass 14 and organic gas concentration display 15 to observe, read the inside dry condition of material and the organic gas concentration of vacuum drying equipment 1.
In a realizable mode, an access door 63 is arranged on one side of the outer box 2 of the vacuum drying equipment, so that the equipment inside the vacuum drying equipment 1 can be conveniently stopped and overhauled. And sealing gaskets 64 are arranged on the periphery of the access door 63 to keep the sealing property of the inner space 11 of the vacuum drying equipment.
In a mode that can realize, bin outlet 62 welds has second flange 17, unpacks second flange apron 67 apart when arranging the material, arranges that the material finishes to close second flange apron 67 to fasten with second bolt 68, second flange 17 and second flange apron 67 all have six bolt holes.
In one way, a vacuum filter 18 for filtering the materials and dust in the vacuum drying equipment 1 is installed on the top of the inner side of the outer box 2 of the vacuum drying equipment, and the vacuum filter 18 is located below the vacuum pumping hole 19.
Further, a vacuum pumping regulating valve 20 is installed on the vacuum pumping port 19 for regulating the vacuum degree inside the vacuum drying device 1.
Further, the exterior of the evacuation tube 22 is wrapped with a thermal insulation sponge 21 and a thermal insulation sponge 24 respectively to maintain the gas temperature.
In an implementation manner, a nitrogen outlet guide plate 52 is arranged at the air inlet of the nitrogen outlet connection pipe 54, the nitrogen outlet guide plate 52 forms an angle of 150 degrees with the horizontal direction so as to guide and flow back the electrolyte mixed in the nitrogen, the air outlet of the nitrogen outlet connection pipe 54 is connected with the nitrogen collecting device through a third flange 55, and a nitrogen outlet connection pipe adjusting valve 53 for adjusting the nitrogen exhaust rate is arranged between the nitrogen outlet guide plate 52 and the third flange 55.
In a realizable manner, the condensate outlet end 51 is connected with the electrolyte collecting tank 61 through an electrolyte outlet connecting pipe 57, a fourth flange 58 and a fifth flange 59 are arranged at the joint of the electrolyte collecting tank 61 and the electrolyte outlet connecting pipe 57, and an electrolyte outlet connecting pipe regulating valve 56 for regulating the electrolyte discharge rate is arranged between the fourth flange 58 and the fifth flange 59; the fourth flange 58 and the fifth flange 59 are provided with six bolt holes, and are tightly connected by using third bolts 60.
In one possible implementation, the condensing device comprises a condensing pipe 49, a condensing tank 26, a water pump 46 and a water tank 30, wherein the condensing pipe 49 is fixed in the condensing tank 26, the inlet end of the condensing pipe 49 is communicated with the condensate inlet end 25, and the outlet end of the condensing pipe 49 is communicated with the condensate outlet end 51; the condenser pipe 49 is covered by a condenser pipe jacket 50, the condenser pipe jacket outlet end 27 of the condenser pipe jacket 50 is connected with the water tank 30 through a water tank inlet pipe 29, the condenser pipe jacket inlet end 48 of the condenser pipe jacket 50 is connected with the water tank 30 through a water tank suction pipe 45, and the water pump 46 is arranged on the water tank suction pipe 45.
The water pump 46 sucks tap water from the water tank 30 through the water tank suction pipe 45, the tap water is pumped into the water inlet end 48 of the condenser pipe clamp sleeve, the tap water cools the condenser pipe 49 in the condenser pipe clamp sleeve 50, the tap water enters the water inlet pipe 29 of the water tank through the water outlet end 27 of the condenser pipe clamp sleeve after being cooled, and the tap water is discharged into the water tank 30, so that the recycling of the cooled tap water can be realized.
In one implementation, the four outer walls of the water tank 30 are provided with fins 44 for dissipating heat easily, and a blower 47 with a height equal to the height of the water tank is arranged at a distance of 300.2 meters from the water tank to blow and dissipate heat of tap water.
The working principle of the device is as follows:
the working principle is as follows: the vacuum drying equipment 1 is vacuumized in advance, waste lithium ion battery crushed materials which are directly crushed by introducing nitrogen are fed into the roller 3 through the first flange 41 in a sealed negative pressure mode, the roller 3 is driven to operate by the starting motor 39, the waste lithium ion battery crushed materials are transmitted to the rear end 33 of the roller from the front end 32 of the roller through the inner side material guide plate 34 and then are guided into the receiving hopper 16 through the discharging guide plate 10, the second flange cover plate 67 is disassembled, and the waste lithium ion battery crushed materials can be connected with the packing auger conveyor in a sealed mode and conveyed to the next process. During the vacuum drying process, the condition is known in real time through the sight glass 14 and the organic gas concentration display 15, and the vacuum degree of the inner space 11 of the vacuum drying equipment is adjusted through the vacuum pumping adjusting valve 20. The electrolyte vapor extracted by the vacuum drying equipment 1 enters the condensing pipe 49 to be condensed into electrolyte, the condensed electrolyte enters the electrolyte collecting box 61 to be recovered, and the nitrogen enters the nitrogen collecting device through the third flange 55 to be recycled. After entering the condenser tube jacket 50 from the condenser tube jacket inlet end 48 through the water pump 46, the cooled tap water returns to the water tank 30 from the condenser tube jacket outlet end 27, and the blower 47 and the fins 44 dissipate heat from the tap water in the water tank 30. Therefore, the aim of recycling the electrolyte of the waste lithium ion battery is fulfilled.
The device of the embodiment of the invention realizes the recovery of the electrolyte in the direct crushed material of the waste lithium ion battery at normal temperature based on a negative pressure sealing feeding mode; the waste lithium ion battery crushed materials can be sufficiently loosened through the arranged inner side material guide plate, so that the recovery efficiency of electrolyte in the waste lithium ion battery crushed materials is improved; through the condensing box, the water tank and the accessories thereof, the effective separation and recovery of the electrolyte in the broken materials of the introduced nitrogen and the waste lithium ion battery can be realized, and the recycling of the cooling water of the condensing pipe is realized, so that the high-efficiency recycling of resources is realized.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a normal atmospheric temperature retrieves abandonment lithium ion battery electrolyte device, characterized by, the device includes that the material import is taken over (4), vacuum drying equipment (1), condensing equipment, nitrogen gas collection device and electrolyte collecting box (61), the entrance point of material import takeover (4) and the discharge gate sealing connection who is used for carrying the equipment of leading to the broken discarded lithium ion battery of nitrogen gas broken material, discharge end (43) of material import takeover (4) with vacuum drying equipment (1) sealing connection, the bottom of vacuum drying equipment (1) is equipped with the hopper (16) that connects that is used for discharging the broken material of discarded lithium ion battery, the bin outlet (62) that connects hopper (16) sets up second flange apron (67), the top of vacuum drying equipment (1) is equipped with vacuum extraction opening (19), this vacuum extraction opening (19) are connected through vacuum tube (22) condensing equipment's condensate entrance point (25), and a vacuum pump (23) for extracting waste lithium ion battery electrolyte vapor is arranged between the vacuum extraction opening (19) and the condensing device, a condensate outlet end (51) of the condensing device is connected with the electrolyte collecting box (61), a nitrogen outlet connecting pipe (54) is connected between the condensate outlet end (51) and the electrolyte collecting box (61), and the nitrogen outlet connecting pipe (54) is connected with the nitrogen collecting device.
2. The device for recycling the electrolyte of the waste lithium ion battery at the normal temperature according to claim 1, wherein the vacuum drying device (1) comprises a vacuum drying device outer box (2) and a roller (3) located in the vacuum drying device outer box (2), the roller (3) comprises a roller barrel body (31), a plurality of inner material guide plates (34) are arranged on the inner surface of the roller barrel body (31), a front-end roller (35) is welded at the front end (32) of the roller barrel body (31), a roller transmission gear (36) is welded in the middle of the roller barrel body, a rear-end roller (40) is welded at the rear end (33), the roller transmission gear (36) is meshed with a pinion (37), and the pinion (37) is directly connected with the motor (39) through a motor transmission shaft (38).
3. The device for recycling the electrolyte of the waste lithium ion battery at the normal temperature according to claim 2, wherein the inner material guiding plates (34) are arranged in a row at an equal interval along the axial direction of the roller body (31) and twelve rows are evenly distributed along the circumferential direction of the roller body (31) at an angle of 30 degrees with the horizontal direction.
4. The device for recycling the electrolyte of the waste lithium ion battery at normal temperature according to claim 2, wherein the vacuum drying equipment (1) is installed on a base (9), a roller base (8) is arranged on the top of the base (9), the front roller (35) is installed on a front roller frame (6), the rear roller (40) is installed on a rear roller frame (7), and the front roller frame (6), the rear roller frame (7) and the motor (39) are all installed on the roller base (8).
5. The device for recycling the electrolyte of the waste lithium ion battery at the normal temperature according to claim 2, wherein the material inlet connecting pipe (4) is fixed on the left side of the outer box (2) of the vacuum drying equipment through a sealing washer (42), the material outlet end (43) is connected to the front end (32), and the inlet end of the material inlet connecting pipe (4) is detachably connected with a first flange cover plate (65) through a first bolt (66).
6. The device for recycling the electrolyte of the waste lithium ion battery at the normal temperature according to claim 2, wherein an organic gas concentration detector (13) is installed on the right side inside the outer box (2) of the vacuum drying equipment, a metal protection net (12) is installed outside the organic gas concentration detector (13), and a viewing mirror (14) and an organic gas concentration display (15) are installed on the right side outside the outer box (2) of the vacuum drying equipment.
7. The device for recycling the waste lithium ion battery electrolyte at normal temperature according to claim 2, wherein a vacuum filter (18) for filtering materials and dust in the vacuum drying equipment (1) is installed at the top of the inner side of the outer box (2) of the vacuum drying equipment, and the vacuum filter (18) is located below the vacuum pumping opening (19).
8. The device for recycling the waste lithium ion battery electrolyte at normal temperature according to claim 1, wherein a nitrogen outlet guide plate (52) is arranged at the air inlet of the nitrogen outlet connection pipe (54), the nitrogen outlet guide plate (52) forms an angle of 150 degrees with the horizontal direction to guide the electrolyte mixed in the nitrogen to flow back, the air outlet of the nitrogen outlet connection pipe (54) is connected with the nitrogen collecting device through a third flange (55), and a nitrogen outlet connection pipe adjusting valve (53) for adjusting the exhaust rate of the nitrogen is arranged between the nitrogen outlet guide plate (52) and the third flange (55).
9. The device for recycling the electrolyte of the waste lithium ion battery at the normal temperature according to claim 1, wherein the condensing device comprises a condensing pipe (49), a condensing tank (26), a water pump (46) and a water tank (30), the condensing pipe (49) is fixed in the condensing tank (26), the inlet end of the condensing pipe (49) is communicated with the condensate inlet end (25), and the outlet end of the condensing pipe (49) is communicated with the condensate outlet end (51); the condenser pipe (49) is externally covered with a condenser pipe jacket (50), the condenser pipe jacket water outlet end (27) of the condenser pipe jacket (50) is connected with the water tank (30) through a water tank water inlet pipe (29), the condenser pipe jacket water inlet end (48) of the condenser pipe jacket (50) is connected with the water tank (30) through a water tank water suction pipe (45), and the water tank water suction pipe (45) is provided with the water pump (46).
10. The device for recycling the electrolyte of the waste lithium ion battery at the normal temperature according to claim 9, wherein the four surfaces of the outer wall of the water tank (30) are respectively provided with an easy-heat-dissipation fin (44), and a blower (47) with the height flush with the height of the water tank is arranged at a position 0.2 m away from the water tank (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329423.3A CN111389547A (en) | 2020-04-23 | 2020-04-23 | Device for recovering waste lithium ion battery electrolyte at normal temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010329423.3A CN111389547A (en) | 2020-04-23 | 2020-04-23 | Device for recovering waste lithium ion battery electrolyte at normal temperature |
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| Publication Number | Publication Date |
|---|---|
| CN111389547A true CN111389547A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010329423.3A Withdrawn CN111389547A (en) | 2020-04-23 | 2020-04-23 | Device for recovering waste lithium ion battery electrolyte at normal temperature |
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| Country | Link |
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| CN (1) | CN111389547A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116531851A (en) * | 2023-07-06 | 2023-08-04 | 东莞市鹏锦机械科技有限公司 | Waste lithium battery electrolyte recovery system and process |
-
2020
- 2020-04-23 CN CN202010329423.3A patent/CN111389547A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116531851A (en) * | 2023-07-06 | 2023-08-04 | 东莞市鹏锦机械科技有限公司 | Waste lithium battery electrolyte recovery system and process |
| CN116531851B (en) * | 2023-07-06 | 2023-09-26 | 东莞市鹏锦机械科技有限公司 | Waste lithium battery electrolyte recovery system and process |
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Application publication date: 20200710 |