CN112023441B - Isolation device for reducing evaporation of diaphragm extract of wet lithium battery - Google Patents
Isolation device for reducing evaporation of diaphragm extract of wet lithium battery Download PDFInfo
- Publication number
- CN112023441B CN112023441B CN202011031425.0A CN202011031425A CN112023441B CN 112023441 B CN112023441 B CN 112023441B CN 202011031425 A CN202011031425 A CN 202011031425A CN 112023441 B CN112023441 B CN 112023441B
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- connecting rod
- base body
- cover plate
- liquid removing
- rail
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- 238000001704 evaporation Methods 0.000 title claims abstract description 21
- 230000008020 evaporation Effects 0.000 title claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 18
- 238000002955 isolation Methods 0.000 title claims description 11
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 238000007667 floating Methods 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 26
- 238000003466 welding Methods 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 17
- 238000001035 drying Methods 0.000 description 10
- 238000011084 recovery Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0292—Treatment of the solvent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
An isolating device for reducing evaporation of wet lithium battery diaphragm extract comprises a support frame body, a box body, a partition plate, a floating cover plate, a left-to-squeeze liquid removing device, a right-to-squeeze liquid removing device, a left side rail, a right side rail, an operating window, a communicating pipe, a flow electric control regulating valve, a variable frequency fan, an opening and closing valve, an adjustable balance valve and a one-way valve. The upper portion of support frame body is provided with the box, and the inside of box is provided with the division board, and the right side of division board is provided with floating cover plate, and floating cover plate's upper portion is provided with left to crowded liquid device and right to crowded liquid device that removes. The invention has reliable structure, effectively reduces the evaporation capacity of the diaphragm extract of the wet lithium battery, reduces the volatilization treatment capacity of the extract, and reduces the influence of overflow on the production operation environment.
Description
Technical Field
The invention relates to the technical field of wet lithium battery diaphragm extraction, in particular to an isolation device between a wet lithium battery diaphragm white oil extraction system and a drying system, which is used for reducing the evaporation capacity of an extraction liquid.
Background
In the process of extracting white oil, the wet lithium battery diaphragm enters a diaphragm drying device after being extracted in an extracting solution, a wet film carrying the extracting solution enters the drying device for drying treatment, and the extracting solution carried by the wet lithium battery diaphragm can be evaporated and collected. Because the drying space and the extraction liquid space are communicated, the evaporation capacity of the extraction liquid can be accelerated when the drying hot air enters the extraction liquid space, the gas recovery treatment capacity of the extraction liquid is increased, and the cost input and consumption are increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an isolation device for reducing evaporation of a diaphragm extract of a wet lithium battery, which effectively reduces the evaporation capacity of the extract and the gas recovery treatment capacity of the extract.
The technical scheme adopted by the invention is as follows:
An isolating device for reducing evaporation of wet lithium battery diaphragm extract comprises a support frame body, a box body, a partition plate, a floating cover plate, a left-to-squeeze liquid removing device, a right-to-squeeze liquid removing device, a left side rail, a right side rail, an operating window, a communicating pipe, a flow electric control regulating valve, a variable frequency fan, an opening and closing valve, an adjustable balance valve and a one-way valve. The upper portion of support frame body is provided with the box, the inside of box is provided with the division board, the right side of division board is provided with floating apron, floating apron's upper portion is provided with left side to crowded liquid removing device and right to crowded liquid removing device, left side is provided with left side track and right side rail respectively to crowded liquid removing device and right to the upper portion of crowded liquid removing device, left side track and right side orbital upper portion are provided with the operation window, the upper right side of box is provided with communicating pipe, communicating pipe upper portion is provided with flow automatically controlled governing valve and variable frequency fan, the top of box is provided with the valve of opening and close, it is provided with the check valve to open and close the valve top, the check valve left side is provided with adjustable balanced valve.
The floating cover plate comprises a cover plate seat, a left guide block and a right guide block, wherein the left guide block and the right guide block are sequentially connected with the cover plate seat through welding, the cover plate seat is made of a polytetrafluoroethylene matrix and is coated with a stainless steel structure, and the stainless steel mark is 316L.
The left side track and the right side track are welded and fixed on the partition plate and the box body respectively, and the floating cover plate is installed in the left side track and the right side track respectively through the left side guide block and the right side guide block.
The left-side opposite extrusion liquid removing device and the right-side opposite extrusion liquid removing device are fixed on the upper portion of the floating cover plate through bolts.
The left-side opposite extrusion liquid removing device comprises a left base body, a left adjusting base body, a left base body adjusting screw, a left connecting rod support, a left grading adjusting base body, a left grading adjusting screw, a left supporting connecting rod, a left connecting rod and a left opposite extrusion liquid removing roller. The right-pair extrusion liquid removing device comprises a right seat body, a right adjusting seat body, a right seat body adjusting screw rod, a right connecting rod support, a right grading adjusting seat body, a right grading adjusting screw rod, a right supporting connecting rod, a right connecting rod and a right-pair extrusion liquid removing roller.
The left adjusting seat body and the right adjusting seat body are respectively fixed on the left seat body and the right seat body through a left seat body adjusting screw rod and a right seat body adjusting screw rod. The left connecting rod support and the right connecting rod support are fixed on the left adjusting seat body and the right adjusting seat body respectively through welding. The left hierarchical adjusting seat body and the right hierarchical adjusting seat body are respectively fixed on the left adjusting seat body and the right adjusting seat body through a left hierarchical adjusting screw rod and a right hierarchical adjusting screw rod. The left branch connecting rod is fixed on the left hierarchical adjusting seat body and the left connecting rod through a pin shaft, and the right branch connecting rod is fixed on the right hierarchical adjusting seat body and the right connecting rod through a pin shaft. The left connecting rod is connected with the left connecting rod support through a pin shaft, and the right connecting rod is connected with the right connecting rod support through a pin shaft. The left pair of squeezing liquid removing rollers is connected with the left connecting rod through a fixed shaft, and the right pair of squeezing liquid removing rollers is connected with the right connecting rod through a fixed shaft. And the left pair of extrusion liquid removing rollers and the right pair of extrusion liquid removing rollers are respectively polytetrafluoroethylene unpowered rollers.
The connecting pipe is characterized in that a rectangular pipe in the connecting pipe is connected with the left flange and the right flange through welding, the inner cavity is fixed in the rectangular pipe through welding, the connecting port is arranged on the side face of the rectangular pipe, the upper vent hole and the lower vent hole are respectively arranged on the upper portion and the lower portion of the inner cavity, and the liquid discharge pipe is fixed on the lower portion of the inner cavity through welding.
The communicating pipe is controlled to have the internal pressure within the range of-1 Pa to-10 Pa through the flow electric control regulating valve and the variable frequency fan.
The pressure set value of the regulating balance valve is 0-0.1 MPa.
Compared with the prior art, the invention has the following advantages:
The device can effectively reduce the extraction liquid amount carried by the diaphragm after extraction, effectively isolate the hot air in the drying space from the extraction space of the diaphragm, and reduce the evaporation amount of the extraction liquid in the extraction space. After the device adopts independent isolation control, the gas treatment capacity of the operation of the gas recovery device of the wet lithium battery diaphragm can be effectively reduced, and then the steam energy consumption and consumable loss cost for gas treatment are reduced.
Drawings
Fig. 1 is a schematic structural diagram of an isolation device for reducing evaporation of a wet lithium battery diaphragm extract.
Fig. 2 is a schematic structural view of a floating cover plate.
FIG. 3 is a schematic view of the structure of the liquid removing device.
Fig. 4 is a schematic view of the structure of the communication pipe.
The hydraulic system comprises a support frame 1, a box 2, a partition plate 3, a floating cover plate 4, a left side pair of hydraulic devices 5, a right side pair of hydraulic devices 7, a left side rail 8, a right side rail 9, an operating window 10, a communicating pipe 11, a flow electric control regulating valve 12, a variable frequency fan 13, a start-stop valve 14, a regulating balance valve 15, a one-way valve 401, a cover plate seat 402, a left side guide block 403, a right side guide block 501, a left seat 502, a left regulating seat body 503, a left seat regulating screw 504, a left connecting rod seat 505, a left side regulating seat body 506, a left side regulating screw 507, a left support rod 508, a left connecting rod 509, a left side pair of hydraulic rollers 601, a right seat body 602, a right regulating seat body 603, a right seat regulating screw 604, a right connecting rod seat 605, a right side regulating seat body 606, a right support rod 607, a right side support rod 608, a right side pair of hydraulic rollers 1006, a left side flange, a right side flange seat 1008, a left side flange, a right side flange, a left side flange, a right flange, and a left side flange.
Detailed Description
As shown in fig. 1, the isolation device for reducing evaporation of wet lithium battery diaphragm extract comprises a support frame body 1, a box body 2, a partition plate 3, a floating cover plate 4, a left-side liquid squeezing device 5, a right-side liquid squeezing device 6, a left-side rail 7, a right-side rail 8, an operation window 9, a communicating pipe 10, a flow electric control regulating valve 11, a variable frequency fan 12, an on-off valve 13, an adjustable balance valve 14 and a one-way valve 15. The upper portion of support frame body 1 is provided with box 2, the inside of box 2 is provided with division board 3, the right side of division board 3 is provided with floating apron 4, the upper portion of floating apron 4 is provided with left side to squeezing liquid removing device 5 and right side to squeezing liquid removing device 6, left side is provided with left side rail 7 and right side rail 8 respectively to squeezing liquid removing device 5 and right side squeezing liquid removing device 6's upper portion, left side rail 7 and right side rail 8's upper portion is provided with operating window 9, the upper right side of box 2 is provided with communicating pipe 10, communicating pipe 10 upper portion is provided with flow automatically controlled governing valve 11 and variable frequency fan 12, the top of box 2 is provided with opening and shutting valve 13, opening and shutting valve 13 top is provided with check valve 15, the left side of check valve 15 is provided with adjustable balanced valve 14, through adjustable balanced valve 14 and check valve 15, adopts indoor clean air to supplement air to box 2, keeps box 2 internal pressure to 0 ~ 0.1MPa, reduces the evaporation pressure, reduces the extraction volume.
After passing through the floating cover plate 4, the extracted diaphragm enters the middle of the left-side opposite extrusion liquid removing device 5 and the right-side opposite extrusion liquid removing device 6, and the front and rear surfaces of the wet diaphragm carrying the extraction liquid are simultaneously subjected to rolling friction by the left-side opposite extrusion liquid removing device 5 and the right-side opposite extrusion liquid removing device 6 so as to reduce the extraction liquid amount entering a drying space.
As shown in fig. 2, the floating cover plate 4 includes a cover plate seat 401, a left guide block 402 and a right guide block 403, where the left guide block 402 and the right guide block 403 are sequentially connected with the cover plate seat 401 by welding, and the cover plate seat 401 is a polytetrafluoroethylene substrate and is coated with a stainless steel structure, and the stainless steel mark is 316L. The left side rail 7 and the right side rail 8 are welded and fixed to the partition plate 3 and the case 2, respectively, and the floating cover plate 4 is mounted in the left side rail 7 and the right side rail 8 by a left side guide block 402 and a right side guide block 403, respectively.
The floating cover plate 4 is limited by the left side rail 7 and the right side rail 8 and floats along with the liquid level, so that the surface area of the extraction evaporation liquid level is effectively reduced, and the evaporation area is reduced by about 90%.
As shown in fig. 3, the left squeeze-out device includes a left housing 501, a left adjusting housing 502, a left housing adjusting screw 503, a left link support 504, a left stage adjusting housing 505, a left stage adjusting screw 506, a left branch link 507, a left link 508, and a left squeeze-out roller 509. The right pair of extrusion liquid removing devices comprises a right base 601, a right adjusting base 602, a right base adjusting screw 603, a right connecting rod support 604, a right grading adjusting base 605, a right grading adjusting screw 606, a right branch connecting rod 607, a right connecting rod 608 and a right pair of extrusion liquid removing roller 609.
The left adjusting seat 502 and the right adjusting seat 602 are fixed on the left seat 501 and the right seat 601 through a left seat adjusting screw 503 and a right seat adjusting screw 603, respectively. The left and right link supports 504 and 604 are fixed to the left and right adjustment housings 502 and 602, respectively, by welding. The left hierarchical adjustment seat 505 and the right hierarchical adjustment seat 605 are respectively fixed on the left adjustment seat 502 and the right adjustment seat 602 through a left hierarchical adjustment screw 506 and a right hierarchical adjustment screw 606. The left branch connecting rod 507 is fixed on the left hierarchical adjusting seat body 505 and the left connecting rod 508 through a pin shaft, and the right branch connecting rod 607 is fixed on the right hierarchical adjusting seat body 605 and the right connecting rod 608 through a pin shaft. The left link 508 is connected to the left link support 504 by a pin, and the right link 608 is connected to the right link support 604 by a pin. The left pair of squeeze-removing rollers 509 is connected to the left link 508 via a fixed shaft, and the right pair of squeeze-removing rollers 609 is connected to the right link 608 via a fixed shaft. The left pair of extrusion liquid removing rollers 509 and the right pair of extrusion liquid removing rollers 609 are respectively made of polytetrafluoroethylene unpowered rollers.
As shown in fig. 4, the rectangular tube 1001 of the communication tube 10 is connected to the left flange 1002 and the right flange 1003 by welding, the inner chamber 1004 is fixed in the rectangular tube 1001 by welding, the connection port 1005 is provided on the side of the rectangular tube 1001, the upper exhaust hole 1006 and the lower exhaust hole 1007 are provided at the upper portion and the lower portion of the inner chamber 1004, respectively, and the drain pipe 1008 is fixed at the lower portion of the inner chamber 1004 by welding. The inner cavity 1004 takes a rectangular shape.
The communicating pipe 10 forms a gas channel through the rectangular inner cavity 1004, the upper vent hole 1006, the lower vent hole 1007 and the connecting port 1005, and is connected with the flow electric control regulating valve 11 and the variable frequency fan 12 through the connecting port 1005, so as to control the pressure of the inner cavity 1004 to be within the range of-1 Pa to-10 Pa, and to isolate the hot air of the drying system from entering the isolating device, reduce the internal temperature and reduce the evaporation amount of the extraction liquid level, and the liquid discharge pipe 1008 is arranged at the lower part of the inner cavity 1004 and has the function of reflowing the liquid at the bottom of the inner cavity 1004 to the box body 2 to prevent the liquid from entering the drying space.
The above description is only specific embodiments of the invention, but the scope of the invention is not limited thereto, and any person skilled in the art, within the scope of the present disclosure, may apply equivalent substitutions or alterations to the technical solution according to the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. An isolating device for reducing evaporation of diaphragm extract of wet lithium battery is characterized in that: comprises a support frame body (1), a box body (2), a partition plate (3), a floating cover plate (4), a left side opposite extrusion liquid removing device (5), a right side opposite extrusion liquid removing device (6), a left side rail (7), a right side rail (8), an operation window (9), a communicating pipe (10), a flow electric control regulating valve (11), a variable frequency fan (12), an opening and closing valve (13), an adjustable balance valve (14) and a one-way valve (15), wherein the upper part of the support frame body (1) is provided with the box body (2), the partition plate (3) is arranged in the box body (2), the floating cover plate (4) is arranged on the right side of the partition plate (3), the left side opposite extrusion liquid removing device (5) and the right side opposite extrusion liquid removing device (6) are fixed on the upper part of the floating cover plate (4) through bolts, the upper parts of the left side opposite extrusion liquid removing device (5) and the right side opposite extrusion liquid removing device (6) are respectively provided with a left side rail (7) and a right side rail (8), the upper parts of the left rail (7) and the right side rail (8) are respectively provided with the operation window (9), the upper parts of the left rail (7) and the right rail (8) are provided with the flow electric control regulating valve (10), the top of the box body (2) is provided with an opening and closing valve (13), a one-way valve (15) is arranged above the opening and closing valve (13), and an adjustable balance valve (14) is arranged on the left side of the one-way valve (15);
the floating cover plate (4) comprises a cover plate seat (401), a left guide block (402) and a right guide block (403), wherein the left guide block (402) and the right guide block (403) are connected with the cover plate seat (401) sequentially through welding, and the cover plate seat (401) is a polytetrafluoroethylene matrix and is coated with a stainless steel structure;
The left-to-extrusion liquid removing device (5) comprises a left base body (501), a left adjusting base body (502), a left base body adjusting screw (503), a left connecting rod support (504), a left grading adjusting base body (505), a left grading adjusting screw (506), a left supporting connecting rod (507), a left connecting rod (508) and a left-to-extrusion liquid removing roller (509), the right-to-extrusion liquid removing device (6) comprises a right base body (601), a right adjusting base body (602), a right base body adjusting screw (603), a right connecting rod support (604), a right grading adjusting base body (605), a right grading adjusting screw (606), a right supporting connecting rod (607), a right connecting rod (608) and a right-to-extrusion liquid removing roller (609), the left adjusting base body (502) and the right adjusting base body (602) are respectively fixed on the left base body (501) and the right base body (601) through the left base body adjusting screw (503) and the right base body adjusting screw (603), the left base support (504) and the right connecting rod support (604) are respectively fixed on the left adjusting base body (502) and the right base body (502) through welding, the left adjusting base body (602) and the right base body (602) are respectively fixed on the left base body (602) and the upper base body (602) through the left grading adjusting screw (602), the left branch connecting rod (507) is fixed on the left hierarchical adjusting seat body (505) and the left connecting rod (508) through a pin shaft, the right branch connecting rod (607) is fixed on the right hierarchical adjusting seat body (605) and the right connecting rod (608) through a pin shaft, the left connecting rod (508) is connected with the left connecting rod support (504) through a pin shaft, the right connecting rod (608) is connected with the right connecting rod support (604) through a pin shaft, the left pair of squeezing liquid rollers (509) is connected with the left connecting rod (508) through a fixed shaft, the right pair of squeezing liquid rollers (609) is connected with the right connecting rod (608) through a fixed shaft, and the left pair of squeezing liquid rollers (509) and the right pair of squeezing liquid rollers (609) are respectively polytetrafluoroethylene unpowered rollers.
2. The isolation device for reducing evaporation of wet lithium battery diaphragm extract according to claim 1, wherein the left rail (7) and the right rail (8) are welded and fixed on the partition plate (3) and the box body (2), respectively, and the floating cover plate (4) is mounted in the left rail (7) and the right rail (8) through the left guide block (402) and the right guide block (403), respectively.
3. The isolation device for reducing evaporation of wet lithium battery diaphragm extract according to claim 1, wherein a rectangular tube (1001) in the communicating tube (10) is connected with a left flange (1002) and a right flange (1003) through welding, an inner cavity (1004) is welded and fixed in the rectangular tube (1001), a connecting port (1005) is arranged on the side surface of the rectangular tube (1001), an upper exhaust hole (1006) and a lower exhaust hole (1007) are respectively arranged on the upper part and the lower part of the inner cavity (1004), and a liquid discharge tube (1008) is welded and fixed on the lower part of the inner cavity (1004).
4. The isolation device for reducing evaporation of wet lithium battery diaphragm extract according to claim 1, wherein the pressure inside the communicating pipe (10) is controlled to be within the range of-1 Pa to-10 Pa through the flow electric control regulating valve (11) and the variable frequency fan (12).
5. The isolation device for reducing evaporation of diaphragm extract of wet lithium battery according to claim 1, wherein the pressure setting value of the regulating balance valve (14) is 0-0.1 MPa.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020105407113 | 2020-06-15 | ||
| CN202010540711 | 2020-06-15 |
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| Publication Number | Publication Date |
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| CN112023441A CN112023441A (en) | 2020-12-04 |
| CN112023441B true CN112023441B (en) | 2024-05-28 |
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| CN202011031425.0A Active CN112023441B (en) | 2020-06-15 | 2020-09-27 | Isolation device for reducing evaporation of diaphragm extract of wet lithium battery |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215884B (en) * | 2021-12-06 | 2023-06-23 | 中材锂膜有限公司 | Low-moment-of-inertia integrated transmission system for wet lithium battery diaphragm extraction |
| CN116943276B (en) * | 2023-07-06 | 2024-07-16 | 邵阳纺织机械有限责任公司 | Layered overflow system of extractor |
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| CN212548397U (en) * | 2020-06-15 | 2021-02-19 | 中材锂膜有限公司 | Isolation device for reducing evaporation of wet lithium battery diaphragm extraction liquid |
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2020
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| US6094337A (en) * | 1996-08-09 | 2000-07-25 | Toray Industries Inc. | Polypropylene film and capacitor made by using it as a dielectric |
| CN101405823A (en) * | 2006-04-06 | 2009-04-08 | 松下电器产业株式会社 | Solid electrolytic capacitor manufacturing apparatus, solid electrolytic capacitor manufacturing method and solid electrolytic capacitor |
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