CN209200045U - A kind of lithium-ion membrane quickly eliminates watermarking device - Google Patents
A kind of lithium-ion membrane quickly eliminates watermarking device Download PDFInfo
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- CN209200045U CN209200045U CN201920030031.XU CN201920030031U CN209200045U CN 209200045 U CN209200045 U CN 209200045U CN 201920030031 U CN201920030031 U CN 201920030031U CN 209200045 U CN209200045 U CN 209200045U
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- seal groove
- dry
- dry seal
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- lithium
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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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Abstract
The utility model, which belongs to lithium ion battery separator processing technique field and discloses a kind of lithium-ion membrane, quickly eliminates watermarking device, including dry seal groove, the two sides of the dry seal groove are respectively equipped with inlet port and outlet port, the top of dry seal groove is equipped with the temperature adjustment roller through dry seal groove two sides, the bottom of dry seal groove is for being contained with water body, the top of water body is equipped with water seal layer, the top of water seal layer is equipped with the stomata of overflow plate, the top of MC overflow plate is arranged in the stomata of overflow plate, and one end of MC overflow plate is fixed on the inner wall of dry seal groove.The utility model is easy to operate, and washing drying process is stablized, and elimination watermark effect is good, improves wash temperature, increases substantially the efficiency and dry effect of washing；It is effectively reduced cost, the production capacity of the basement membrane production greatly improved improves the quality of product.
Description
Technical field
The utility model quickly eliminates watermarking device more particularly to a kind of lithium-ion membrane, belongs to lithium ion battery separator and adds
Work technical field.
Background technique
Lithium ion battery separator refers to the diaphragm material of single-layer or multi-layer porous structure between the positive and negative electrode of the battery, is
Very crucial part, main function are in battery: separate the positive and negative electrode of battery, prevent the two poles of the earth contact and it is short
Road, while the lithium ion in electrolyte being allowed to pass freely through between positive and negative anodes.
The preparation method of lithium ion battery separator is divided into two class of dry and wet, and the utility model is mainly for wet process work
Skill；Wet process is also known as thermally induced phase separation, and paraffin oil is mixed with polyethylene (PE), uniform melt is formed after heating, then drops
Temperature carries out mutually isolated diaphragm, then diaphragm is heated under certain temperature, and carrying out biaxial tension makes molecular chain orientation, most passes through afterwards
Overheating Treatment extracts paraffin oil wash solvent with methylene chloride (MC), and dry separation MC can prepare the diaphragm with microcellular structure
Material.
Traditional wet process membrane process is using methylene chloride (MC) as extractant, and MC volatilization is to people around in order to prevent
Member causes damages, and a water seal sink can be respectively set in the entrance of abstraction pool and outlet；It is primarily due to the water seal of outlet
In sink, content has remaining MC and a small amount of white oil, these substances are evaporated drying in dry section together along with film,
Causing the finished product membrane surface most to begin to occur, color is shallower, and the irregular mark of state, we term it " watermarks ", with producing line
Speed improve " watermark " phenomenon, the increasingly severe appearance and performance for severely impacting product.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of lithium-ion membrane and quickly eliminates
Watermarking device, easy to operate, washing drying process is stablized, and elimination watermark effect is good, improves wash temperature, increases substantially washing
Efficiency and dry effect；It is effectively reduced cost, the production capacity of the basement membrane production greatly improved improves the quality of product, can
Effectively to solve the problems in background technique.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of lithium-ion membrane and quickly eliminates watermarking device, including dry seal groove, the drying
The two sides of seal groove are respectively equipped with inlet port and outlet port, and the top of dry seal groove is equipped with through dry seal groove two sides
Temperature adjustment roller, the bottom of dry seal groove are equipped with water seal layer for being contained with water body, the top of water body, and the top of water seal layer, which is equipped with, overflows
The top of MC overflow plate is arranged in the stomata of flowing plate, the stomata of overflow plate, and one end of MC overflow plate is fixed on dry seal groove
On inner wall, and it is equipped with the heater for heating water body in the bottom of dry seal groove, the bottom of dry seal groove and MC divide
It is connected from device, the bottom of MC separator and row's MC outlet, the inside of MC separator are fixed with plate washer, and plate washer and drying seal
One is surrounded between slot for being contained with the groove of water body, the bottom of groove is connect with pure MC inlet, and pure MC inlet passes through
Conduit is connected to the bottom of dry seal groove, and the top of dry seal groove is equipped with the film through dry seal groove and water body
The output end of guide reel, film is sequentially passed through from feed inlet across temperature adjustment roller and film guide reel, and with close to discharge port
The temperature adjustment roller of side is tangent, from discharge port output.
As a kind of optimal technical scheme of the utility model, further includes the conduit being connected in dry sealing trench bottom, lead
The output end of pipe runs through MC circulating pump, and is connected to the side of dry seal groove.
As a kind of optimal technical scheme of the utility model, further include setting dry seal groove side and with water seal layer
Concordant pure water overflow port, the side of pure water overflow port are connected to discharge outlet.
As a kind of optimal technical scheme of the utility model, further include the other side of dry seal groove is set, and
Pure water inlet between water seal layer and MC overflow plate.
It further include that one end is fixed in the middle part of dry seal groove as a kind of optimal technical scheme of the utility model, it is another
It holds and extends to the central baffle in the middle part of water seal layer.
As a kind of optimal technical scheme of the utility model, it is uniformly distributed stomata among the MC overflow plate, stomata is straight
Diameter 30-50mm.
The utility model beneficial effect achieved is: easy to operate, washing drying process is stablized, and eliminates watermark effect
It is good, wash temperature is improved, the efficiency and dry effect of washing are increased substantially；It is effectively reduced cost, the base greatly improved
The production capacity of film production, improves the quality of product.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is that a kind of lithium-ion membrane described in the utility model embodiment quickly eliminates the signal of watermarking device overall structure
Figure；
Figure label: 1, dry seal groove；2, film；3, heater；4, MC overflow plate；5, MC separator；6, MC is recycled
Pump；7, pure water overflow port；8, plate washer；9, pure water inlet；10, discharge outlet；11, pure MC inlet；12, central baffle；13, water
Sealing；14, the outlet row MC；15, film guide reel；16, temperature adjustment roller；17, the stomata of overflow plate.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: referring to Fig. 1, a kind of lithium-ion membrane of the utility model quickly eliminates watermarking device, including drying is close
Sealing groove 1, the two sides of the dry seal groove 1 are respectively equipped with inlet port and outlet port, the top of dry seal groove 1 be equipped with through
The temperature adjustment roller 16 of dry 1 two sides of seal groove, the bottom of dry seal groove 1 are equipped with water seal for being contained with water body, the top of water body
Layer 13, the top of water seal layer 13 are equipped with the stomata 17 of overflow plate, and the top of MC overflow plate 4, MC is arranged in the stomata 17 of overflow plate
One end of overflow plate 4 is fixed on the inner wall of dry seal groove 1, and is equipped in the bottom of dry seal groove 1 for heating water
The bottom of the heater 3 of body, dry seal groove 1 is connect with MC separator 5, and the bottom of MC separator 5 is connected to the outlet row MC 14,
The inside of MC separator 5 is fixed with plate washer 8, and one is surrounded between plate washer 8 and dry seal groove 1 for being contained with the recessed of water body
Slot, the bottom of groove are connect with pure MC inlet 11, and pure MC inlet 11 is connected to the bottom of dry seal groove 1 by conduit,
The top of dry seal groove 1 is equipped with the film guide reel 15 through dry seal groove 1 and water body, the output end of film 2 from
Feed inlet is sequentially passed through across temperature adjustment roller 16 and film guide reel 15, and with 16 phase of temperature adjustment roller close to discharge port side
It cuts, from discharge port output.
Further, lithium-ion membrane quickly eliminates watermarking device, further includes being connected to leading in dry 1 bottom of seal groove
Pipe, the output end of conduit runs through MC circulating pump 6, and is connected to the side of dry seal groove 1.
Further, lithium-ion membrane quickly eliminates watermarking device, further includes setting in dry 1 side of seal groove and and water
The concordant pure water overflow port 7 of sealing 13, the side of pure water overflow port 7 are connected to discharge outlet 10.
Further, lithium-ion membrane quickly eliminates watermarking device, further includes the other side that dry seal groove 1 is arranged in,
And the pure water inlet 9 between water seal layer 13 and MC overflow plate 4.
Further, lithium-ion membrane quickly eliminates watermarking device, further includes that one end is fixed on dry 1 middle part of seal groove,
The other end and the central baffle 12 for extending to 13 middle part of water seal layer.
Further, stomata, hole diameter 30-50mm are uniformly distributed among the MC overflow plate (4).
It should be noted that the utility model is that a kind of lithium-ion membrane quickly eliminates watermarking device, when use:
(1) the utility model uses dry seal groove 1, central baffle 2, the guarantee film of water seal layer 13 in washing process, no
The gas MC of entrance can be brought into the outlet of dry slot；Because being equipped with central baffle 2 inside dry seal groove 1, central baffle is heavy
It submerges in water seal layer, so as to form entrance and the completely isolated two spaces of exit gas.
(2) the utility model is to utilize water self-loopa and MC self-loopa；External heater 3 simultaneously improves MC washing effect；
Waste oil and included MC in film are only collected in traditional drying sink, the not self-loopa of MC；Such design leads to dry water
The content of the oil of MC is inclined in slot, and most of oil is separated with MC bubbles through the water column, and seriously affects the surface cleanliness of film；This is practical new
Type increases the design of MC overflow plate 4, and MC overflow plate 4 is porous structure, and porous structure makes the MC of recycling through on overflow plate 4
Stomata 17(hole diameter 30-50mm), come into full contact with the oil on 13 surface of water seal layer, keep water seal layer water cleanliness, greatly
The washing effect of dry slot 4 is improved greatly；The utility model increases heater 3, and temperature controls 25-39 DEG C, since this is practical
The new design water seal layer of 10cm escapes so needing not worry about MC and largely evaporating from water shutoff layer, and temperature is controlled according to outlet
Depending on the case where film surface watermark.
(3) the characteristics of the utility model devises MC separator 5, is layered using MC and the immiscible solution of water, while MC density
1.33g/cm³；1 g/cm3 of water density；Water seal layer designs 10cm, and plate washer 8 designs 58cm, 7 design height 60cm of pure water overflow port；
Can guarantee that the MC brought into film enters in dry slot 1 in this way can overflow from remaining part from plate washer 8, pass through the outlet row MC 14
Outflow.
(4) further, the utility model devises outlet temperature adjustment roller, and each temperature adjustment roll temperature is controlled respectively at 22-35 DEG C
Between, it is therefore an objective to the residual fluid on dry film surface.
This technological operation is as follows:
(1) pure water injection is injected with MC: the slave pure water entrance 9 injection water level 20cm or so of dry slot 1 first, then from pure
MC entrance 11 injects MC to dry slot 1, when plate washer 8 has MC spilling in MC separator 5, closes pure MC inlet valve.
(2) establish water circulation, open pure water entrance 9 and 10 valve of pure water outlet, keep a certain amount of pure water flow (0~
20 L/min).
(3) MC circulation is established, MC circulating pump 6 is started；It needs intermittently to inject pure MC to dry seal groove 1 simultaneously；This root
According to dry slot 1 outlet film surface watermark the case where (7-15 days/time of ordinary circumstance, MC) in displacement drying seal groove 1.
(4) temperature adjustment roller 16 is opened, temperature controls 22-35 DEG C, and the moisture content and MC gas of film surface is further dried, reaches
Remove the effect of surface watermark.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of lithium-ion membrane quickly eliminates watermarking device, it is characterised in that: including dry seal groove (1), the drying is close
The two sides of sealing groove (1) are respectively equipped with inlet port and outlet port, and the top of dry seal groove (1) is equipped with through dry seal groove
(1) the temperature adjustment roller (16) of two sides, the bottom of dry seal groove (1) are equipped with water seal layer for being contained with water body, the top of water body
(13), the top of water seal layer (13) is equipped with the stomata (17) of overflow plate, and the stomata (17) of overflow plate is arranged in MC overflow plate (4)
The one end on top, MC overflow plate (4) is fixed on the inner wall of dry seal groove (1), and is set in the bottom of dry seal groove (1)
There is the heater (3) for heating water body, the bottom of dry seal groove (1) is connect with MC separator (5), MC separator (5)
Bottom is connected to the row outlet MC (14), and the inside of MC separator (5) is fixed with plate washer (8), plate washer (8) and drying seal groove (1)
Between surround one for being contained with the groove of water body, the bottom of groove is connect with pure MC inlet (11), pure MC inlet
(11) bottom of dry seal groove (1) is connected to by conduit, the top of dry seal groove (1) is equipped with through dry seal groove
(1) and the film guide reel (15) of water body, the output end of film (2) sequentially pass through from feed inlet across temperature adjustment roller (16) and
Film guide reel (15), and it is tangent with the temperature adjustment roller (16) close to discharge port side, from discharge port output.
2. a kind of lithium-ion membrane according to claim 1 quickly eliminates watermarking device, it is characterised in that: further include connection
The output end of conduit in dry seal groove (1) bottom, conduit runs through MC circulating pump (6), and the side with dry seal groove (1)
Connection.
3. a kind of lithium-ion membrane according to claim 1 quickly eliminates watermarking device, it is characterised in that: further include setting
In dry seal groove (1) side and the pure water overflow port (7) concordant with water seal layer (13), the side of pure water overflow port (7) and row
The mouth of a river (10) connection.
4. a kind of lithium-ion membrane according to claim 1 quickly eliminates watermarking device, it is characterised in that: further include setting
In the other side of dry seal groove (1), and the pure water inlet (9) between water seal layer (13) and MC overflow plate (4).
5. a kind of lithium-ion membrane according to claim 1 quickly eliminates watermarking device, it is characterised in that: further include one end
It is fixed in the middle part of dry seal groove (1), the other end simultaneously extends to the central baffle (12) in the middle part of water seal layer (13).
6. a kind of lithium-ion membrane according to claim 1 quickly eliminates watermarking device, it is characterised in that: the MC overflow
Stomata, hole diameter 30-50mm are uniformly distributed among plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920030031.XU CN209200045U (en) | 2019-01-09 | 2019-01-09 | A kind of lithium-ion membrane quickly eliminates watermarking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920030031.XU CN209200045U (en) | 2019-01-09 | 2019-01-09 | A kind of lithium-ion membrane quickly eliminates watermarking device |
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| Publication Number | Publication Date |
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| CN209200045U true CN209200045U (en) | 2019-08-02 |
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| CN201920030031.XU Active CN209200045U (en) | 2019-01-09 | 2019-01-09 | A kind of lithium-ion membrane quickly eliminates watermarking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023441A (en) * | 2020-06-15 | 2020-12-04 | 中材锂膜有限公司 | Isolation device for reducing evaporation of wet lithium battery diaphragm extraction liquid |
-
2019
- 2019-01-09 CN CN201920030031.XU patent/CN209200045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023441A (en) * | 2020-06-15 | 2020-12-04 | 中材锂膜有限公司 | Isolation device for reducing evaporation of wet lithium battery diaphragm extraction liquid |
| CN112023441B (en) * | 2020-06-15 | 2024-05-28 | 中材锂膜有限公司 | Isolation device for reducing evaporation of diaphragm extract of wet lithium battery |
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