CN215070115U - Wet stripping equipment for waste lithium battery electrode powder - Google Patents
Wet stripping equipment for waste lithium battery electrode powder Download PDFInfo
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- CN215070115U CN215070115U CN202121641376.2U CN202121641376U CN215070115U CN 215070115 U CN215070115 U CN 215070115U CN 202121641376 U CN202121641376 U CN 202121641376U CN 215070115 U CN215070115 U CN 215070115U
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- wet stripping
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- 239000000843 powder Substances 0.000 title claims abstract description 100
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 239000002699 waste material Substances 0.000 title claims abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000002791 soaking Methods 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 238000009288 screen filtration Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000012216 screening Methods 0.000 abstract description 5
- 238000005554 pickling Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a wet stripping device for waste lithium battery electrode powder, which comprises a wet stripping circulating device for soaking positive and negative electrode plates in dilute acid and collecting bottom electrode powder; the wet stripping mesh belt machine is used for salvaging the soaked positive and negative pole pieces in the wet stripping circulating device; the wet stripping vibrating screen is used for washing the positive and negative pole pieces to enable pole powder adhered to the surfaces of the positive and negative pole pieces to be washed and stripped; a pole powder collecting tank for collecting the peeled pole powder; the wet stripping circulating device, the wet stripping mesh belt machine, the wet stripping vibrating screen and the pole powder collecting tank are sequentially connected. The utility model discloses can peel off the utmost point powder of adhesion on positive and negative pole piece after carrying out short time pickling soaking, liquid erode, wet screening to the positive and negative pole piece that wind-force was selected separately or hydraulic separation, peel off the rate and can reach more than 97%, and this equipment is exactly in order to satisfy utmost point powder wet process and peel off the technological requirement, makes utmost point powder peel off from positive and negative pole piece completely, has improved utmost point powder rate of recovery for economic benefits and social maximize.
Description
Technical Field
The utility model relates to an equipment is peeled off to useless lithium cell utmost point powder wet process.
Background
The scrapped lithium ion battery containing lithium hexafluorophosphate, carbonate organic matters, cobalt, lithium, copper and other heavy metals and plastics is a valuable resource and has extremely high recovery value. At present, the recovery of waste power lithium ion batteries mainly has 2 modes: firstly, the echelon is utilized, secondly disassemble the recovery, can't continue to use to the battery that battery capacity drops to below 50%, can only disassemble the battery and resource recycle, to the condemned battery of echelon utilization simultaneously, finally also need disassemble and resource recycle.
The disassembly process of the scrapped lithium ion battery comprises the processes of mechanical crushing, high-temperature pyrolysis, screening, wind sorting or hydraulic sorting, polar powder wet stripping and the like, and aims to separate polar powder, positive and negative pole pieces, a shell and the like with high recycling value from the battery, improve the recycling rate of the polar powder, and maximize the economic benefit and the social benefit of the polar powder.
The polar powder wet stripping has the effects that the polar powder, positive and negative pole pieces, copper columns, stainless steel, iron and the like in the waste lithium ion battery are divided into a plurality of blocks after the waste lithium ion battery is subjected to early-stage mechanical crushing, high-temperature pyrolysis, screening, wind power sorting or hydraulic sorting, although the waste lithium ion battery is subjected to high-temperature pyrolysis and carbonization of the binder, the molecules between the polar powder and the current collector are too small, the adhesive force is extremely strong, and a large amount of polar powder is still contained in the positive and negative pole pieces sorted by wind power sorting or hydraulic sorting and is not completely stripped.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, safe and reliable, the useless lithium cell utmost point powder wet stripping that the rate of recovery is high equips.
The utility model provides a technical scheme of above-mentioned problem is: a wet stripping device for waste lithium battery electrode powder comprises a wet stripping circulating device for soaking positive and negative electrode plates in dilute acid and collecting bottom electrode powder; the wet stripping mesh belt machine is used for salvaging the soaked positive and negative pole pieces in the wet stripping circulating device; the wet stripping vibrating screen is used for washing the positive and negative pole pieces to enable pole powder adhered to the surfaces of the positive and negative pole pieces to be washed and stripped; a pole powder collecting tank for collecting the peeled pole powder; the wet stripping circulating device, the wet stripping mesh belt machine, the wet stripping vibrating screen and the pole powder collecting tank are sequentially connected.
Above-mentioned useless lithium cell utmost point powder wet stripping is equipped with, wet stripping circulating device includes the casing, is equipped with the acidizing fluid in the casing, and the lower part level sets up utmost point powder in the casing and collects the spiral, and the casing outside is equipped with motor and speed reducer, and the motor passes through the speed reducer and drives utmost point powder and collect the spiral rotation, and the bottom is equipped with the collection storehouse in the casing, is equipped with first utmost point powder export and bottom discharge port in the collection storehouse, and casing side lower part is equipped with the acidizing fluid discharge port, and the casing top is equipped with first feed inlet, casing side upper portion is equipped with overflow mouth and acidizing fluid backward flow mouth, and first utmost point powder export and rare earth pump butt joint, and the rare earth pump passes through pipe connection acidizing fluid backward flow mouth, is equipped with the filter in the pipeline, and the acidizing fluid entering pipeline of bottom discharge port discharge, and the acidizing fluid backward flow is in the casing through the acidizing fluid backward flow mouth after the filter in the pipeline, realizes the diluted acid inner loop.
Above-mentioned useless lithium cell utmost point powder wet stripping is equipped with acid mist discharge port, observation window, replenishment entry and reserve mouth on the casing top.
According to the wet stripping equipment for the waste lithium battery electrode powder, the wet stripping mesh belt machine adopts a Z-shaped orifice plate conveyor belt and comprises a horizontal section, a lifting section and a discharging section which are sequentially connected, wherein the horizontal section is positioned in acid liquor of a shell, the lower part of the lifting section is positioned in the acid liquor, the upper part of the lifting section is positioned outside the shell, and the discharging section is positioned outside the shell and is connected with a wet stripping vibrating screen; the conveying motor drives the whole wet stripping mesh belt machine to rotate, and positive and negative pole pieces falling onto the wet stripping mesh belt machine are conveyed to the wet stripping vibrating screen.
Above-mentioned useless lithium cell utmost point powder wet stripping is equipped with, the ejection of compact section is equipped with first shower, and first shower rear end is equipped with and is used for preventing positive and negative pole piece to return the cleaning device that the wet stripping circulating device bottom.
Above-mentioned useless lithium cell utmost point powder wet stripping is equipped, the shale shaker is peeled off to wet process includes the screen frame, is equipped with the vibrator on the screen frame, and the screen frame passes through the shock absorber to be installed on the mount, and screen frame one side top is equipped with the second feed inlet, and the screen frame opposite side is equipped with the pole piece export, be equipped with the screen cloth in the screen frame, under the one end of screen cloth is located the second feed inlet, the pole piece export is connected to the other end of screen cloth, be equipped with the second shower in the middle of the screen frame top, the screen frame bottom is equipped with the export of second pole powder, and the export of second pole powder is through utmost point powder chute connection utmost point powder collection tank.
Above-mentioned useless lithium cell utmost point powder wet stripping is equipped, the screen cloth adopts double-deck filter screen structure, and upper filter screen filtration pore is big, and lower floor's filter screen filtration pore is little.
The beneficial effects of the utility model reside in that:
1. the utility model discloses wet process that is equipped with and connects gradually peels off circulating device, wet process peels off the net belt machine, the shale shaker is peeled off to wet process, utmost point powder collecting tank, carry out short time pickling to positive and negative pole pieces that wind-force was selected separately or water conservancy was sorted out and soak, liquid erodes, can peel off the utmost point powder of adhesion on positive and negative pole pieces after the wet screening and drop, the rate of peeling off can reach more than 97%, this equipment is exactly in order to satisfy utmost point powder wet process and peel off the technological requirement, make utmost point powder peel off from positive and negative pole pieces completely, the rate of recovery of utmost point powder has been improved, make economic benefits and social maximize.
2. The whole process of feeding, discharging and polar powder stripping and falling is fully automatically completed; the consumption of the dilute acid is less, the dilute acid can be recycled, the subsequent acid solution treatment capacity is less, and the operation cost is low.
3. The utility model discloses whole process of during operation is gone on in the confined appearance chamber, and the acid mist discharge port at circulating device top is peeled off to acid mist accessible wet process and is discharged, and this discharge port can connect acid mist processing system, and it is excessive that no acid mist, and whole equipment environmental protection is effectual.
4. The positive and negative pole pieces soaked in the wet stripping circulating device are lifted out through the mesh belt machine, so that the positive and negative pole pieces (copper foil and aluminum foil) can be prevented from being wound with each other, the stripping of pole powder adhered to the surfaces of the pole pieces is facilitated, and the separation of two subsequent materials is also facilitated.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a front view of the wet stripping cycle apparatus of fig. 1.
Fig. 5 is a left side view of fig. 4.
Fig. 6 is a top view of fig. 4.
Fig. 7 is a front view of the wet strip separator of fig. 1.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a front view of the wet stripping shaker screen of fig. 1.
Fig. 10 is a side view of fig. 9.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3, a wet stripping device for waste lithium battery electrode powder comprises a wet stripping circulating device 1 for soaking positive and negative electrode pieces in dilute acid and collecting bottom electrode powder; a wet stripping mesh belt machine 2 for salvaging the soaked positive and negative pole pieces in the wet stripping circulating device 1; a wet stripping vibrating screen 3 for washing the positive and negative pole pieces to make the pole powder adhered on the surfaces of the positive and negative pole pieces washed and stripped; a pole powder collecting tank 4 for collecting the peeled pole powder; the wet stripping circulating device 1, the wet stripping mesh belt machine 2, the wet stripping vibrating screen 3 and the pole powder collecting tank 4 are connected in sequence.
As shown in fig. 4-6, the wet stripping circulation device 1 includes a housing 5, an acid solution is disposed in the housing 5, a polar powder collecting screw 6 is horizontally disposed at a lower portion in the housing 5, a motor 7 and a speed reducer are disposed outside the housing 5, the motor 7 drives the polar powder collecting screw 6 to rotate through the speed reducer, a collecting bin 8 is disposed at a bottom portion in the housing 5, a first polar powder outlet 9 and a bottom discharge outlet 10 are disposed in the collecting bin 8, an acid solution discharge outlet 11 is disposed at a lower portion of a side surface of the housing 5, a first feed inlet 12 is disposed at a top portion of the housing 5, an overflow port 13 and an acid solution return port 14 are disposed at an upper portion of the side surface of the housing 5, the first polar powder outlet 9 is in butt joint with a slurry pump, the slurry pump is connected with the acid solution return port 14 through a pipeline, a filter is disposed in the pipeline, the acid solution discharged from the bottom discharge outlet 10 enters the pipeline, the acid solution is filtered by the filter in the pipeline and then flows back into the housing 5 through the acid solution return port 14 to reduce the consumption, realizing the internal circulation of the dilute acid.
The top of the shell 5 is provided with an acid mist discharge port 15, an observation window 16, an acid supplementing inlet 17 and a spare port 18. The pole powder collecting screw 6 and the collecting bin 8 can collect pole powder sinking to the bottom together to improve the conveying efficiency of the slurry pump, and reduce the single operation time and the starting and stopping times of the pump.
As shown in fig. 7 and 8, the wet stripping screen machine 2 includes a horizontal section 21, a lifting section 22 and a discharging section 23 connected in sequence, the horizontal section 21 is located in the acid solution of the housing 5, the lower part of the lifting section 22 is located in the acid solution, the upper part of the lifting section 22 is located outside the housing 5, and the discharging section 23 is located outside the housing 5 and connected to the wet stripping vibrating screen 3; the conveying motor 24 drives the whole wet stripping screen belt machine 2 to rotate, and positive and negative pole pieces falling onto the wet stripping screen belt machine 2 are conveyed to the wet stripping vibrating screen 3. The discharging section 23 is provided with a first spraying pipe 25 which can wash away positive and negative pole pieces attached to the mesh belt; the rear end of the first spray pipe 25 is provided with a cleaning device 26 for preventing the positive and negative pole pieces from returning to the bottom of the wet stripping circulating device 1.
The wet stripping mesh belt machine 2 adopts a Z-shaped pore plate conveying belt, the Z-shaped pore plate conveying belt has the capacity of lifting materials at a large angle, so that the horizontal section 21 of the mesh belt machine retained in the wet stripping circulating device 1 is prolonged, the sinking positive and negative plates are convenient to scatter and stack, the soaking effect of the positive and negative plates is facilitated, meanwhile, the materials are conveyed uniformly by lifting the materials at the large angle, the discharge port 27 cannot be blocked by stacking in a large amount, the subsequent wet stripping vibrating screen 3 is uniform in feeding, and the spraying and washing effect is better.
As shown in fig. 9 and 10, the wet stripping vibrating screen 3 includes a screen body 31, a vibrator 32 is disposed on the screen body 31, the screen body 31 is mounted on a fixing frame 34 through a vibration absorber 33, a second feeding hole 35 is disposed at a top of one side of the screen body 31, a pole piece outlet 36 is disposed at the other side of the screen body 31, a screen 37 is disposed in the screen body 31, one end of the screen 37 is located right below the second feeding hole 35, the other end of the screen 37 is connected with the pole piece outlet 36, a second spraying pipe 38 is disposed in a middle of a top of the screen body 31, a second pole powder outlet 39 is disposed at a bottom of the screen body 31, and the second pole powder outlet 39 is connected with a pole powder collecting tank 4 through a pole powder chute 40.
The screen cloth 37 adopts a double-layer filter screen structure, the filter holes of the upper filter screen are large, the filter holes of the lower filter screen are small, individuals in the positive and negative pole pieces are large, the individuals fall to the lower filter screen for walking, the stacking area of the materials can be doubled in a limited space by the structure, the filter screens can be effectively prevented from being blocked, spraying liquid can pass through the filter screens to flow out, and the spraying liquid can be taken away with the electrode powder.
The working process of the utility model is as follows:
the method comprises the steps that positive and negative pole pieces (a copper foil and aluminum foil mixture) of a waste lithium ion battery subjected to mechanical crushing, high-temperature pyrolysis, screening, wind power sorting or hydraulic sorting at the earlier stage fall into a wet stripping circulating device 1 from a first feeding hole 12, a dilute acid solution is filled in the wet stripping circulating device 1, the falling positive and negative pole pieces slowly sink to a wet stripping mesh belt machine 2 at the bottom in acid liquor, pole powder adhered to the positive and negative pole pieces is separated from the pole pieces under the soaking action of the dilute acid, a mesh belt of the wet stripping mesh belt machine 2 is provided with a plurality of small holes, the pole powder can fall to the bottom of the wet stripping circulating device 1 through the small holes, a pole powder collecting spiral 6 is arranged at the bottom of the device, the pole powder at the bottom can be collected to a bottom collecting bin 8, a pole powder outlet is connected with a slurry pump, a filter and the like, the pole powder can be conveyed and filtered by the slurry pump and then extracted, the pumped acid liquor flows back into the wet stripping circulating device 1 through an acid liquor backflow hole 14, the consumption or replacement of the dilute acid can be supplemented from an acid supplementing inlet 17, the dilute acid in the device can be discharged from a bottom discharge port 10 and an acid liquor discharge port 11, and positive and negative pole pieces sinking to a mesh belt of a wet stripping mesh belt machine 2 can be lifted out to a wet stripping vibrating screen 3 through the wet stripping mesh belt machine 2;
the positive and negative pole pieces soaked in the wet stripping circulating device 1 sink to the horizontal section 21 of the wet stripping mesh belt machine 2, are lifted by a circularly operated pore plate conveyer belt and fall to a discharge port 27 after passing through a lifting section 22 and a discharge section 23, because the positive and negative pole pieces are very thin, part of the positive and negative pole pieces can be adhered to the wet stripping mesh belt machine 2, the discharge section 23 of the wet stripping mesh belt machine 2 is provided with a first spray pipe 25 which can wash off the thin pieces adhered to the mesh belt, the rear end of the spray pipe is also provided with a cleaning device 26 which prevents the pole pieces from returning to the bottom of the wet stripping circulating device 1, dilute acid pole powder adhered to the pole pieces has the effect of relative flow kinetic energy to further wash away in the transfer process, and the stripped pole powder falls into the bottom of the wet stripping circulating device 1 from the pore plate of the wet stripping mesh belt machine 2;
the positive and negative pole pieces extracted by the wet stripping screen belt machine 2 fall into the second feed inlet 35 of the wet stripping vibrating screen 3, the positive and negative pole pieces slowly advance under the action of the vibrator 32, the pole powder attached to the positive and negative pole pieces is reduced in adhesive force after being soaked in dilute acid, and flows out of the second pole powder outlet 39 along with the spraying liquid after being washed and stripped under the spraying action, and then flows into the pole powder collecting tank 4 through the pole powder chute 40;
the polar powder flowing into the polar powder collecting tank 4 sinks into the tank bottom and is pumped to subsequent size mixing equipment or pressure filtration equipment through a slurry pump at the bottom of the collecting tank.
Claims (7)
1. The utility model provides a useless lithium cell utmost point powder wet process is peeled off and is equipped which characterized in that: comprises a wet stripping circulating device for soaking positive and negative pole pieces in dilute acid and collecting bottom pole powder; the wet stripping mesh belt machine is used for salvaging the soaked positive and negative pole pieces in the wet stripping circulating device; the wet stripping vibrating screen is used for washing the positive and negative pole pieces to enable pole powder adhered to the surfaces of the positive and negative pole pieces to be washed and stripped; a pole powder collecting tank for collecting the peeled pole powder; the wet stripping circulating device, the wet stripping mesh belt machine, the wet stripping vibrating screen and the pole powder collecting tank are sequentially connected.
2. The waste lithium battery electrode powder wet stripping equipment as claimed in claim 1, wherein: the wet stripping circulating device comprises a shell, acid liquor is arranged in the shell, a polar powder collecting spiral is horizontally arranged at the lower portion in the shell, a motor and a speed reducer are arranged outside the shell, the motor drives the polar powder collecting spiral to rotate through the speed reducer, a collecting bin is arranged at the bottom in the shell, a first polar powder outlet and a bottom discharging port are arranged in the collecting bin, an acid liquor discharging port is arranged at the lower portion of the side face of the shell, a first feeding port is arranged at the top of the shell, an overflow port and an acid liquor backflow port are arranged at the upper portion of the side face of the shell, the first polar powder outlet is in butt joint with a rare earth pump, the rare earth pump is connected with an acid liquor backflow port through a pipeline, a filter is arranged in the pipeline, acid liquor discharged from the bottom discharging port enters the pipeline, and flows back into the shell through the acid liquor backflow port after being filtered by the filter in the pipeline, so that the dilute acid internal circulation is realized.
3. The waste lithium battery electrode powder wet stripping equipment as claimed in claim 2, characterized in that: the top of the shell is provided with an acid mist discharge port, an observation window, an acid supplementing inlet and a standby port.
4. The waste lithium battery electrode powder wet stripping equipment as claimed in claim 2, characterized in that: the wet stripping mesh belt machine adopts a Z-shaped orifice plate conveying belt, and comprises a horizontal section, a lifting section and a discharging section which are sequentially connected, wherein the horizontal section is positioned in acid liquor of a shell, the lower part of the lifting section is positioned in the acid liquor, the upper part of the lifting section is positioned outside the shell, and the discharging section is positioned outside the shell and is connected with a wet stripping vibrating screen; the conveying motor drives the whole wet stripping mesh belt machine to rotate, and positive and negative pole pieces falling onto the wet stripping mesh belt machine are conveyed to the wet stripping vibrating screen.
5. The waste lithium battery electrode powder wet stripping equipment as claimed in claim 4, wherein: the discharge section is provided with a first spraying pipe, and the rear end of the first spraying pipe is provided with a cleaning device for preventing positive and negative pole pieces from returning to the bottom of the wet stripping circulating device.
6. The waste lithium battery electrode powder wet stripping equipment as claimed in claim 4, wherein: the wet stripping vibrating screen comprises a screen body, a vibrator is arranged on the screen body, the screen body is installed on a fixing frame through the vibration absorber, a second feed port is formed in the top of one side of the screen body, a pole piece outlet is formed in the other side of the screen body, a screen is arranged in the screen body, one end of the screen is located under the second feed port, the other end of the screen is connected with the pole piece outlet, a second spray pipe is arranged in the middle of the top of the screen body, a second pole powder outlet is formed in the bottom of the screen body, and the second pole powder outlet is connected with a pole powder collecting tank through a pole powder chute.
7. The waste lithium battery electrode powder wet stripping equipment as claimed in claim 6, wherein: the screen cloth adopts double-deck filter screen structure, and upper filter screen filtration pore is big, and lower floor's filter screen filtration pore is little.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641376.2U CN215070115U (en) | 2021-07-19 | 2021-07-19 | Wet stripping equipment for waste lithium battery electrode powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641376.2U CN215070115U (en) | 2021-07-19 | 2021-07-19 | Wet stripping equipment for waste lithium battery electrode powder |
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| Publication Number | Publication Date |
|---|---|
| CN215070115U true CN215070115U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121641376.2U Active CN215070115U (en) | 2021-07-19 | 2021-07-19 | Wet stripping equipment for waste lithium battery electrode powder |
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| CN (1) | CN215070115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381603A (en) * | 2022-01-17 | 2022-04-22 | 湖南江冶机电科技股份有限公司 | Method for fully recycling valuable metal components of waste lithium batteries from anode powder stripped by hydrodynamic sorting wet method |
-
2021
- 2021-07-19 CN CN202121641376.2U patent/CN215070115U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381603A (en) * | 2022-01-17 | 2022-04-22 | 湖南江冶机电科技股份有限公司 | Method for fully recycling valuable metal components of waste lithium batteries from anode powder stripped by hydrodynamic sorting wet method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wet stripping equipment for spent lithium battery electrode powder Effective date of registration: 20221209 Granted publication date: 20211207 Pledgee: Shaoshan Hunan rural commercial bank Limited by Share Ltd. Pledgor: HUNAN JIANGYE ELECTRICAL AND MECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980026119 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211207 Pledgee: Shaoshan Hunan rural commercial bank Limited by Share Ltd. Pledgor: HUNAN JIANGYE ELECTRICAL AND MECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980026119 |