CN209139076U - A kind of lithium ion battery separator coating sizing-agent feeding device - Google Patents
A kind of lithium ion battery separator coating sizing-agent feeding device Download PDFInfo
- Publication number
- CN209139076U CN209139076U CN201821773126.2U CN201821773126U CN209139076U CN 209139076 U CN209139076 U CN 209139076U CN 201821773126 U CN201821773126 U CN 201821773126U CN 209139076 U CN209139076 U CN 209139076U
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- China
- Prior art keywords
- feed liquor
- filter
- liquor tank
- liquid
- filter plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 238000000576 coating method Methods 0.000 title claims abstract description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 79
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 13
- 238000011045 prefiltration Methods 0.000 claims description 6
- 241000220317 Rosa Species 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 44
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
Landscapes
- Coating Apparatus (AREA)
- Cell Separators (AREA)
Abstract
The utility model discloses a kind of lithium ion battery separator coating sizing-agent feeding devices, including fluid reservoir, liquid feeding pump, feed liquor tank, two position controller and filter；Liquid feeding pump is equipped in the fluid reservoir, the liquid outlet of the fluid reservoir connects the inlet of filter by pipeline, the liquid outlet of the filter connects the inlet of feed liquor tank by pipeline, two position controller is installed in the feed liquor tank, the feed liquor tank is equipped with input duct, and the other end of the input duct be connected to coating it is intracavitary, the input duct be equipped with autocontrol valve.By liquid feeding pump, slurry enters filter from fluid reservoir, and filter filters out the large granular impurity in slurry；Slurry enters feed liquor tank after the filter, and two position controller is equipped in feed liquor tank, and after the liquid level in feed liquor tank is higher than high liquid level, liquid feeding pump is out of service, and slurry does not enter back into feed liquor tank；After liquid level is lower than low liquid level, feed liquor pump startup, slurry is automatically into feed liquor tank.
Description
Technical field
The utility model relates to lithium ion battery separator technical fields, it particularly relates to a kind of lithium ion battery separator
Coating sizing-agent feeding device.
Background technique
In the structure of lithium ion battery, diaphragm is crucial one of interior layer assembly.For lithium battery series, due to electrolysis
Liquid is organic solvent system, thus needs the diaphragm material of organic solvent-resistant, the general polyolefin porous membrane for using filming.
Although these polyolefin porous membranes have excellent mechanical performance and chemical stability, under high temperature environment, diaphragm can occur
Apparent be heat-shrinked contacts generation short circuit so as to cause inside battery positive and negative anodes, and safety failure occurs；And polyolefin porous membrane with
The wetability of the electrolyte of lithium ion battery is poor, and electrolyte cannot be completely infused in diaphragm inner void, leads to lithium-ion electric
Pond has compared with high internal resistance.Therefore in lithium ion battery design process, it is badly in need of improving the heat resistance and wetability of diaphragm.State at present
It is inside and outside frequently with solution be using inorganic material resistant to high temperature be coated in membrane surface come enhance diaphragm heat resistance and
Wettability.
Currently, it is roller coating that diaphragm, which coats common mode, prepared slurry is straight from feed liquor tank by devices such as hydraulic pumps
Take intracavitary into coating, coating chamber is contacted with applicator roll, and the applicator roll of rotation is taken away with membrane contacts after slurry, and diaphragm takes away slurry
Enter drying equipment after material, in drying equipment, the solvent in slurry volatilizees, and completes coating procedure；Easily go out in coating procedure
Now fluctuate, can not stablize and be coated with intracavitary pressure, especially when mode separation strapping liquid measure fluctuate, into the slurry for being coated with chamber and
It is inconsistent to be applied the amount of slurry that roller strap is walked, causes coating cavity pressure to fluctuate, needs to manually adjust hydraulic pump at this time
Power, waste of manpower.
Utility model content
To solve problems of the prior art, the utility model provide a kind of lithium ion battery separator coating sizing-agent into
Liquid device has the advantages that be coated with intracavitary pressure by automatically controlling.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: lithium ion battery separator coating sizing-agent
Feeding device, including fluid reservoir, liquid feeding pump, feed liquor tank, controller, two position controller and filter；In the fluid reservoir
Equipped with the liquid feeding pump, the liquid outlet of the fluid reservoir connects the inlet of the filter by pipeline, the filter
Liquid outlet connects the inlet of the feed liquor tank by pipeline, and the two position controller, institute are equipped in the feed liquor tank
Feed liquor tank is stated equipped with input duct, and the other end of the input duct is connected to that coating is intracavitary, and the input duct is equipped with
Autocontrol valve；The filter includes filter box and is arranged in the intracorporal particle detections sensor of Rose Box, the mistake
The filter plate being arranged side by side in filter box body equipped with several feed liquor directions along the filter, the filter plate two sides each extend over
Form two flanks；The filter plate and two flanks are monolithic construction；Tongue is provided at the top of the filter plate, it is described
The bottom of filter plate is provided with the groove to match with the tongue, and the tongue is arranged in a staggered manner with groove；The filter plate sheet
The surface and inside of body are provided with the honeycomb micropore to communicate with one another；Described in the first signal input part connection of the controller
The signal output end of two position controller, the second signal input terminal of the controller connect the particle detections sensor
Signal output end, the first signal output end of the controller connect the signal input part of the liquid feeding pump, the controller
Second signal output end connects the signal input part of the automatic valve.
By liquid feeding pump, slurry enters filter from fluid reservoir, and filter filters out the large granular impurity in slurry.Slurry
Enter feed liquor tank after the filter, two position controller is installed in feed liquor tank, when the liquid level in feed liquor tank is higher than high liquid
Behind position, liquid feeding pump is out of service, and slurry does not enter back into feed liquor tank；Liquid level be lower than low liquid level after, feed liquor pump startup, slurry automatically into
Enter feed liquor tank.The valve below feed liquor tank is opened, slurry enters coating chamber through piping, is coated in chamber and pipeline and fills up slurry
Afterwards, it is coated with intracavitary pressure and reaches stationary value, can start to be coated；Setting controller is to automatically control feed liquor dress for convenience
The feed liquor set and out liquid, while facilitating the slurry in detection filter is enough to reach use demand.
Preferably, the outer cladding of the liquid feeding pump is equipped with prefiltration net.On the outside of liquid feeding pump be arranged prefiltration net be in order to
It prevents large particle from entering in filter by liquid feeding pump, while avoiding large particle and blocking the inlet of liquid feeding pump.
Preferably, the top of the filter box is equipped with the card slot to match with the tongue, and the bottom of the cabinet is set
There is the card convex to match with the groove.Be arranged in filter box on filter plate tongue and the groove that matches of card slot and
Card convex is for convenience to fix filter plate.
Preferably, the diameter of the honeycomb micropore on the filter plate is sequentially reduced along feed liquor direction towards liquid direction is gone out.Bee
The diameter of nest shape micropore is sequentially reduced the large particle in the slurry body for facilitating access for filter towards liquid direction is gone out along feed liquor direction
It filters out, prevents large particle from entering coating intracavitary.
The beneficial effects of the utility model are:
(1) by liquid feeding pump, slurry enters filter from fluid reservoir, and filter filters out the large granular impurity in slurry.
Slurry enters feed liquor tank after the filter, and two position controller is equipped in feed liquor tank, when the liquid level in feed liquor tank is higher than
After high liquid level, liquid feeding pump is out of service, and slurry does not enter back into feed liquor tank；After liquid level is lower than low liquid level, feed liquor pump startup, slurry is certainly
It is dynamic to enter feed liquor tank.The valve below feed liquor tank is opened, slurry enters coating chamber through piping, is coated in chamber and pipeline and fills up slurry
It after material, is coated with intracavitary pressure and reaches stationary value, can start to be coated；Setting controller is to automatically control feed liquor for convenience
The feed liquor of device and out liquid, while facilitating the slurry in detection filter is enough to reach use demand.
(2) prefiltration net is arranged on the outside of liquid feeding pump is that large particle is entered in filter by liquid feeding pump in order to prevent,
Large particle is avoided simultaneously to block the inlet of liquid feeding pump.
(3) be arranged in filter box on filter plate tongue and the groove that matches of card slot and card convex be for convenience
Filter plate is fixed.
(4) diameter of honeycomb micropore is sequentially reduced the slurry body for facilitating access for filter along feed liquor direction towards liquid direction out
In large particle filter out, prevent large particle enter coating it is intracavitary.
Detailed description of the invention
Fig. 1 is the overall structure of the embodiment of lithium ion battery separator coating sizing-agent feeding device described in the utility model
Schematic cross-sectional view；
Fig. 2 is that the filter of the embodiment of lithium ion battery separator coating sizing-agent feeding device described in the utility model is vertical
Body structural schematic diagram；
Fig. 3 is the filter plate of the embodiment of lithium ion battery separator coating sizing-agent feeding device described in the utility model
Structural schematic diagram；
Fig. 4 is the filter box of the embodiment of lithium ion battery separator coating sizing-agent feeding device described in the utility model
Complete section structural schematic diagram；
Fig. 5 is the control signal of the embodiment of lithium ion battery separator coating sizing-agent feeding device described in the utility model
Flow direction structure schematic diagram；
Description of symbols:
1, fluid reservoir；2, liquid feeding pump；3, feed liquor tank；4, two position controller；5, filter；5-1, filter box；5-
2, particle detections sensor；5-3, filter plate；5-4, flank；5-5, tongue；5-6, groove；5-7, honeycomb micropore；6, first mistake
Strainer；5-8, card slot；5-9, card convex；7, controller；8, automatic valve；9, sliding slot.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Embodiment 1:
As shown in Figs. 1-5, a kind of lithium ion battery separator coating sizing-agent feeding device, including fluid reservoir 1, liquid feeding pump 2, into
Flow container 3, controller 7, two position controller 4 and filter 5；The liquid feeding pump 2, the liquid storage are equipped in the fluid reservoir 1
The liquid outlet of tank 1 connects the inlet of the filter 5 by pipeline, and the liquid outlet of the filter 5 connects institute by pipeline
State the inlet of feed liquor tank 3, the two position controller 4 be installed in the feed liquor tank 3, the feed liquor tank 3 be equipped with into
Liquid pipe road, and the other end of the input duct be connected to coating it is intracavitary, the input duct be equipped with autocontrol valve；It is described
Filter 5 includes filter box 5-1 and the particle detections sensor 5-2, the filter box 5- that are arranged in filter box 5-1
Prolong respectively the two sides filter plate 5-3, the filter plate 5-3 being arranged side by side in 1 equipped with several feed liquor directions along the filter 5
It stretches to form two flank 5-4；The filter plate 5-3 and two flank 5-4 is monolithic construction；The top of the filter plate 5-3
It is provided with tongue 5-5, the bottom of the filter plate 5-3 is provided with the groove 5-6 to match with the tongue 5-5, and the tongue
5-5 is arranged in a staggered manner with groove 5-6；It is micro- that the surface and inside of the filter plate 5-3 ontology are provided with the honeycomb to communicate with one another
Hole 5-7；First signal input part of the controller 7 connects the signal output end of the two position controller 4, the control
The second signal input terminal of device 7 connects the signal output end of the particle detections sensor 5-2, the first letter of the controller 7
Number output end connects the signal input part of the liquid feeding pump 2, and the second signal output end of the controller 7 connects the automatic valve
The signal input part of door 8.
By liquid feeding pump 2, slurry enters filter 5 from fluid reservoir 1, passes through at least 4 pieces of mistakes being arranged side by side in filter 5
Filter plate 5-3 will filter out the large granular impurity in slurry, and particle detections sensor 5-2 is positioned close to the one end of liquid outlet
It is whether qualified convenient for detecting the slurry being filled at this on wall, if the unqualified slurry being discharged into feed liquor tank 3 carries out about 1
The precipitating of hour, sinks to the bottom convenient for large particle, if qualification can be used directly；Slurry enters feed liquor tank 3 after filter 5,
Two position controller 4 is equipped in feed liquor tank 3, and (the two position controller 4 in the present embodiment is existing water level controller
7), after the liquid level in feed liquor tank 3 is higher than high liquid level, liquid feeding pump 2 is out of service, and slurry does not enter back into feed liquor tank 3；Liquid level is lower than
After low liquid level, liquid feeding pump 2 starts, and slurry is automatically into feed liquor tank 3；The automatic valve 8 of 3 lower section of feed liquor tank is opened, slurry passes through
Pipeline enters coating chamber, is coated with after filling up slurry in chamber and pipeline, is coated with intracavitary pressure and reaches stationary value, can start to be applied
It covers；Filter plate 5-3 each extends over to form two flank 5-4, and filter plate 5-3 and two flank 5-4 be monolithic construction be for
Facilitate and fixes the two sides of filter plate 5-3 and filter box 5-1, the side of filter plate 5-3 and filter box 5-1 in the present embodiment
Using the fit system of sliding slot 9 and sliding block (sliding slot 9 is arranged in wall on the side wall of filter box 5-1；The flank of the two sides filter plate 5-3
5-4 is slide block structure), it is easy to disassemble and fixed；Tongue 5-5, the bottom of filter plate 5-3 are provided at the top of filter plate 5-3
Portion is provided with the groove 5-6 to match with tongue 5-5, and tongue 5-5 and groove 5-6 is arranged in a staggered manner, and sets at the top of filter plate 5-3
Setting can be by muti-piece filter plate 5-3 when the bottom tongue 5-5 setting groove 5-6 is in order to facilitate one piece of filter plate 5-3 insufficient height
Split uses；The surface and inside of filter plate 5-3 ontology are provided with the honeycomb micropore 5-7 to communicate with one another, are because mutually
The honeycomb micropore 5-7 of connection has the advantages that permeability is good, pressure-resistant, material inlet is not easy to plug, filter efficiency is high；Starting should be into
After liquid device, the liquid feeding pump 2 that controller 7 controls in fluid reservoir 1 inputs slurry into filter 5, and filter 5 is by filtered slurry
Liquid is discharged into feed liquor tank 3, and it is whether full that the liquid level that the two position controller 4 in feed liquor tank 3 detects in feed liquor tank 3 is arranged at this time
Foot smears demand, and the too low then controller 7 of liquid level controls liquid feeding pump 2 and continues feed liquor, or carries out fluid infusion during the work time, if liquid level
Excessively high, the automatic valve 8 that 3 bottom of feed liquor tank is arranged in the control of controller 7, which is opened, is discharged into slurry in coating chamber；Simultaneously in mistake
Whether the particulate matter that filter 5 is arranged in the detection slurry of the particle detections sensor 5-2 in filter 5 when being filtered is up to standard,
Large particle if it exists then needs to carry out in feed liquor tank 3 to precipitate one end time, is opening 8 drain of automatic valve；Setting control
Device 7 is the feed liquor of automatic control feeding device and out liquid for convenience, while facilitating the slurry in detection filter 5 is enough to reach
To use demand.
Embodiment 2:
As shown in Figure 1, the present embodiment is on the basis of embodiment 1, the outer cladding of the liquid feeding pump 2 is equipped with prefiltration net 6.
Setting prefiltration net 6 is that large particle is entered in filter 5 by liquid feeding pump 2 in order to prevent on the outside of liquid feeding pump 2, is avoided simultaneously
Large particle blocks the inlet of liquid feeding pump 2.
Embodiment 3:
As shown in figure 4, the present embodiment is on the basis of embodiment 1, the top of the filter box 5-1 be equipped with it is described convex
The card slot 5-8 that slot 5-5 matches, and the bottom of the cabinet is equipped with the card convex 5-9 to match with the groove 5-6.In Rose Box
In body 5-1 setting on filter plate 5-3 tongue 5-5 and card slot 5-8 the groove 5-6 that matches and card convex 5-9 be for convenience
Filter plate 5-3 is fixed.
Embodiment 4:
As depicted in figs. 1 and 2, the present embodiment on the basis of embodiment 1, the honeycomb micropore on the filter plate 5-3
The diameter of 5-7 is sequentially reduced along feed liquor direction towards liquid direction is gone out.The diameter of honeycomb micropore 5-7 goes out liquid direction along feed liquor direction court
The large particle being sequentially reduced in the slurry body for facilitating access for filter 5 filters out, and prevents large particle from entering coating intracavitary.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (4)
1. a kind of lithium ion battery separator coating sizing-agent feeding device, which is characterized in that including fluid reservoir, liquid feeding pump, feed liquor tank,
Controller, two position controller and filter；The liquid feeding pump is equipped in the fluid reservoir, the liquid outlet of the fluid reservoir is logical
Piping connects the inlet of the filter, and the liquid outlet of the filter connects the feed liquor of the feed liquor tank by pipeline
Mouthful, the two position controller is installed, the feed liquor tank is equipped with input duct, and the input duct in the feed liquor tank
The other end be connected to coating it is intracavitary, the input duct be equipped with autocontrol valve；The filter includes filter box
Several feed liquor sides along the filter are equipped in the intracorporal particle detections sensor of Rose Box, the filter box with setting
To filter plate arranged side by side, the filter plate two sides each extend over to form two flanks；The filter plate is with two flanks
Monolithic construction；Tongue is provided at the top of the filter plate, the bottom of the filter plate is provided with to match with the tongue
Groove, and the tongue is arranged in a staggered manner with groove；The surface and inside of the filter plate ontology are provided with the bee to communicate with one another
Nest shape micropore；First signal input part of the controller connects the signal output end of the two position controller, the control
The second signal input terminal of device processed connects the signal output end of the particle detections sensor, and the first signal of the controller is defeated
Outlet connects the signal input part of the liquid feeding pump, and the second signal output end of the controller connects the letter of the automatic valve
Number input terminal.
2. lithium ion battery separator coating sizing-agent feeding device according to claim 1, which is characterized in that the liquid feeding pump
Outer cladding be equipped with prefiltration net.
3. lithium ion battery separator coating sizing-agent feeding device according to claim 1, which is characterized in that the Rose Box
The top of body is equipped with the card slot to match with the tongue, and the bottom of the cabinet is equipped with the card convex to match with the groove.
4. lithium ion battery separator coating sizing-agent feeding device according to claim 1, which is characterized in that the filter plate
On honeycomb micropore diameter along feed liquor direction towards go out liquid direction be sequentially reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773126.2U CN209139076U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium ion battery separator coating sizing-agent feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773126.2U CN209139076U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium ion battery separator coating sizing-agent feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209139076U true CN209139076U (en) | 2019-07-23 |
Family
ID=67271592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821773126.2U Expired - Fee Related CN209139076U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium ion battery separator coating sizing-agent feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209139076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119216181A (en) * | 2024-09-26 | 2024-12-31 | 合肥金力新能源有限公司 | An automatic liquid supply system in coating process and control method thereof |
-
2018
- 2018-10-30 CN CN201821773126.2U patent/CN209139076U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119216181A (en) * | 2024-09-26 | 2024-12-31 | 合肥金力新能源有限公司 | An automatic liquid supply system in coating process and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20211030 |