CN210892562U - Novel wet-process diaphragm extraction drying device - Google Patents
Novel wet-process diaphragm extraction drying device Download PDFInfo
- Publication number
- CN210892562U CN210892562U CN201921693768.6U CN201921693768U CN210892562U CN 210892562 U CN210892562 U CN 210892562U CN 201921693768 U CN201921693768 U CN 201921693768U CN 210892562 U CN210892562 U CN 210892562U
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- China
- Prior art keywords
- drying
- drying cabinet
- bellows
- exhaust
- roller
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- 238000001035 drying Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000000605 extraction Methods 0.000 title claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 4
- 238000000409 membrane extraction Methods 0.000 claims 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 abstract description 51
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000005098 hot rolling Methods 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a novel wet-process diaphragm extraction drying device, which comprises a drying box, a heat exchange roller, an air exhaust bellows, a static eliminator, a tension roller and a compression roller; the air exhaust bellows comprises a fan interface and a mesh type air nozzle. The inside of drying cabinet is equipped with the heat exchanger roll, the bottom of drying cabinet is equipped with the bellows of airing exhaust, it is fixed with the drying cabinet through the bolt to air the bellows to air exhaust, the export of drying cabinet is equipped with the tension roll, the fluororubber compression roller is installed to the tension roll below, the drying cabinet export is equipped with the AC type electrostatic eliminator of pulse. The utility model discloses a change the diaphragm of hot-rolling behind the extraction and dry, volatile dichloromethane is gaseous gathers in the drying chamber bottom, but the bellows of airing exhaust of bottom discharge dichloromethane gas fast and recycle, avoid dichloromethane to leak and cause the waste, and the influence is healthy.
Description
Technical Field
The utility model relates to a wet process diaphragm extraction drying device belongs to wet process lithium ion battery diaphragm processing technology field.
Background
The existing drying method for the lithium ion battery diaphragm after extraction adopts a heat exchange roller and an air supplementing air box to heat and volatilize dichloromethane, and an air exhaust air box is arranged at the top of a drying room.
However, in practical production and use, the dichloromethane gas density is higher than that of air, most dichloromethane is gathered at the bottom of the drying room, the exhaust air box is arranged at the top and is difficult to exhaust dichloromethane, and the air supply air box can increase the air pressure in the drying room, so that dichloromethane leaks, wastes are caused, and health is affected.
SUMMERY OF THE UTILITY MODEL
Therefore, in view of the above disadvantages, the present invention provides a device capable of rapidly discharging dichloromethane gas.
The utility model provides a technical problem can adopt following technical scheme to realize:
the utility model provides a novel wet process diaphragm extraction is dry device, the inside of drying cabinet is equipped with the hot-rolling that trades, the bottom of drying cabinet is equipped with the bellows of airing exhaust, the export of drying cabinet is equipped with the tension roll, compression roller, its characterized in that are installed to the tension roll below: and an outlet of the drying box is provided with a static eliminator.
The air exhaust bellows comprises a fan connector and mesh type air nozzles, the front end and the rear end of the drying box are respectively provided with an air exhaust bellows, and the air exhaust bellows is fixedly connected with the drying box through bolts.
The air exhaust bellows is installed in a side-standing mode.
The compression roller is a fluororubber compression roller.
The static eliminator is a pulse alternating current type static eliminator.
And the air volume of the air exhaust air box is 10857 m/h.
The temperature of the heat exchange roller is 40-80 ℃.
The utility model has the advantages as follows:
the diaphragm after the extraction is dried through the heat exchange roller, the volatilized dichloromethane gas is gathered at the bottom of the drying room, and the exhaust air box at the bottom can quickly exhaust dichloromethane gas and recycle the dichloromethane gas, so that the dichloromethane is prevented from leaking to cause waste and influence on health. The tension roller can control the roller speed of the heat exchange roller, and the appearance defect of the diaphragm caused by excessive stretching of the diaphragm is avoided. The static eliminator can eliminate static on the surface of the diaphragm and prevent dust and foreign matters from adhering to the surface of the diaphragm. The compression roller moves when the film is penetrated, and the film is prevented from being broken by back rolling when the film is penetrated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of an exhaust bellows;
wherein: 1. the air conditioner comprises a drying box, 2 heat exchange rollers, 3 exhaust air boxes, 4 static eliminator, 5 tension rollers, 6 compression rollers, 301 fan interfaces and 302 mesh type air nozzles.
Detailed Description
As shown in fig. 1 and fig. 2, the novel wet-process diaphragm extraction drying device comprises a drying box 1, a heat exchange roller 2, an exhaust air box 3, a static eliminator 4, a tension roller 5 and a compression roller 6; the exhaust air box 3 comprises a fan interface 301 and a mesh type air nozzle 302. Novel wet process diaphragm extraction drying device, including drying cabinet 1, the inside of drying cabinet 1 is equipped with hot-changing roll 2, the bottom of drying cabinet 1 is equipped with air exhaust bellows 3, the export of drying cabinet 1 is equipped with tension roll 5, fluororubber compression roller 6, its characterized in that are installed to tension roll 5 below: and a pulse alternating current type static eliminator 4 is arranged at the outlet of the drying box 1. The air exhaust bellows 3 comprises a fan connector 301 and a mesh type air nozzle 302, the air exhaust bellows 3 are mounted at the front end and the rear end of the drying box 1, and the air exhaust bellows 3 is fixedly connected with the drying box through bolts. The air exhaust bellows 3 is installed in a side-standing manner. And the air volume of the exhaust air box 3 is 10857m for each hour. The temperature of the heat exchange roller 2 is 40-80 ℃.
The diaphragm after extraction is dried through the heat exchange roller 2, the volatilized dichloromethane gas is gathered at the bottom of the drying room 1, and the exhaust air box 3 at the bottom can quickly exhaust dichloromethane gas and recycle the dichloromethane gas, so that the dichloromethane is prevented from leaking to cause waste and influence on health. The tension roller 5 can control the roller speed of the heat exchange roller 2, so that the appearance defect of the diaphragm caused by excessive stretching of the diaphragm is avoided. The static eliminator 4 can eliminate static on the surface of the diaphragm and prevent dust and foreign matters from adhering to the surface of the diaphragm. The press roller 6 acts when the film is penetrated, and the film is prevented from being broken by back rolling when the film is penetrated.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a novel wet process diaphragm extraction drying device which characterized in that: including drying cabinet (1), the inside of drying cabinet (1) is equipped with trades hot roller (2), the bottom of drying cabinet (1) is equipped with air box (3) of airing exhaust, the export of drying cabinet (1) is equipped with tension roll (5), compression roller (6) are installed to tension roll (5) below, drying cabinet (1) export is equipped with electrostatic eliminator (4).
2. The novel wet-process membrane extraction drying device according to claim 1, wherein the exhaust air box (3) comprises a fan connector (301) and a mesh type air nozzle (302), the front end and the rear end of the drying box (1) are respectively provided with the exhaust air box (3), and the exhaust air box (3) is fixedly connected with the drying box through bolts.
3. A new wet process membrane extraction drying plant according to any of claims 1-2, characterized in that the exhaust air bellows (3) is installed side-on-side.
4. A new wet process membrane extraction drying unit according to claim 1, characterized in that the press roll (6) is a fluororubber press roll.
5. The new wet process membrane extraction drying unit as claimed in claim 1, wherein the static eliminator (4) is a pulsed ac type static eliminator.
6. The novel wet process membrane extraction drying device as claimed in any one of claims 1-2, wherein the wind volume of the exhaust wind box (3) is 10000 and 15000 m/h.
7. A new wet process membrane extraction drying unit as claimed in claim 1, characterized in that the temperature of the heat exchange roller (2) is 40-80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693768.6U CN210892562U (en) | 2019-10-11 | 2019-10-11 | Novel wet-process diaphragm extraction drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693768.6U CN210892562U (en) | 2019-10-11 | 2019-10-11 | Novel wet-process diaphragm extraction drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210892562U true CN210892562U (en) | 2020-06-30 |
Family
ID=71314545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921693768.6U Active CN210892562U (en) | 2019-10-11 | 2019-10-11 | Novel wet-process diaphragm extraction drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210892562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856995A (en) * | 2021-01-26 | 2021-05-28 | 广东宇界机械设备有限公司 | Distributed drying device convenient to clean and recover and used for diaphragm |
| CN114094278A (en) * | 2021-10-20 | 2022-02-25 | 中材锂膜有限公司 | Novel lithium ion battery diaphragm drying device |
-
2019
- 2019-10-11 CN CN201921693768.6U patent/CN210892562U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856995A (en) * | 2021-01-26 | 2021-05-28 | 广东宇界机械设备有限公司 | Distributed drying device convenient to clean and recover and used for diaphragm |
| CN112856995B (en) * | 2021-01-26 | 2022-05-10 | 广东宇界机械设备有限公司 | Distributed drying device convenient to clean and recover and used for diaphragm |
| CN114094278A (en) * | 2021-10-20 | 2022-02-25 | 中材锂膜有限公司 | Novel lithium ion battery diaphragm drying device |
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