CN211160966U - Para-aramid diaphragm washing device - Google Patents
Para-aramid diaphragm washing device Download PDFInfo
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- CN211160966U CN211160966U CN201922169477.3U CN201922169477U CN211160966U CN 211160966 U CN211160966 U CN 211160966U CN 201922169477 U CN201922169477 U CN 201922169477U CN 211160966 U CN211160966 U CN 211160966U
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Abstract
The utility model provides a counterpoint aramid fiber diaphragm washing device relates to counterpoint aramid fiber diaphragm washing equipment technical field. The water storage tank (2) is connected with the spray pipe (6), the spray pipe (6) is arranged at the tail end of the cleaning tank (1), and a water spray opening of the spray pipe (6) faces the diaphragm (15); the inside driving roller that sets up of washing tank (1), set up overflow mouth (7) on the wall of washing tank (1) top partially, there is the pipe connection between waste liquid case (3) and overflow mouth (7), and scraper (8) are installed in the top of being close to the terminal driving roller of washing tank (1), and the below and diaphragm (15) upper surface of scraper (8) are tangent. Compared with the prior art, the utility model has the advantages that: the washing machine can adopt a combined mode of soaking washing and water flow washing to carry out washing for many times, and has high washing efficiency, water saving and less equipment occupation; the rear end of the cleaning tank is provided with a scraper for filtering water, so that the water carrying capacity of the composite para-aramid fiber membrane after cleaning is reduced, and the subsequent drying process is facilitated.
Description
Technical Field
The utility model relates to a counterpoint aramid fiber diaphragm washing equipment technical field, in particular to counterpoint aramid fiber diaphragm washing device.
Background
In mobile phones, computers and electric vehicles, batteries that can be charged and discharged many times are mainly lithium ion batteries. The key of the charge and discharge of the lithium ion battery is the regular movement of lithium ions between the anode and the cathode; specifically, during charging, lithium ions are extracted from the positive electrode and inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. The lithium ion battery has the advantages that the lithium ion battery is provided with a diaphragm inside besides the anode, the cathode and the electrolyte, and the diaphragm has the functions of separating the anode and the cathode of the battery and preventing the two electrodes from contacting and short-circuiting, so that the diaphragm needs to have a certain thickness; and the diaphragm is provided with holes for providing a passage for lithium ions to move between the anode and the cathode.
The diaphragm is an important component of the lithium ion battery, the performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, the characteristics of the lithium ion battery such as capacity, cycle and safety performance are directly influenced, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the lithium ion battery.
In the lithium ion battery industry, there is a need for a high strength, low cost, perforated separator with appropriate porosity. At present, the diaphragm in the lithium ion battery is mainly a polyethylene film and a polypropylene film, the materials are easy to obtain, but the performance is slightly poor; the para-aramid fiber has the advantages of high strength, high modulus, high temperature resistance and the like, can be used for composite film forming, and can improve the performance such as strength and the like. In the process for preparing the composite para-aramid diaphragm, a polyethylene film or a polypropylene film is used as a base plate to be coated with a layer of para-aramid film, the coated para-aramid film layer needs to be solidified in a solidifying bath containing N-methyl pyrrolidone (NMP), and after solidification, the para-aramid film layer needs to be washed to remove residual NMP, and finally, the para-aramid film layer is dried.
In the washing process, in the prior art, the composite para-aramid diaphragm is washed in a manner of soaking in a large amount of clear water, so that the integrity of the composite para-aramid diaphragm can be well ensured, but the water consumption is large, the floor area of washing equipment is large, and the washing efficiency is low; the water content of the composite para-aramid diaphragm after cleaning is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a counterpoint aramid fiber diaphragm washing device sets up little volume washing tank, adds at every washing tank rear end and establishes the washing spray tube, takes to soak washing and rivers and wash the combination mode, carries out washing many times, solves above-mentioned technical problem.
The specific technical scheme is a para-aramid diaphragm washing device, including: the device comprises a cleaning tank, a water storage tank, a waste liquid tank, a pump, a spray pipe, a scraper and a driving roller for conveying a diaphragm;
the water storage tank is provided with a water inlet pipe connected with a water source, the water storage tank is connected with the spray pipe through a water feeding pipeline, and a pump is arranged on the water feeding pipeline; the spray pipe is fixedly arranged at the position close to the tail end of the cleaning tank, and a water spray opening of the spray pipe faces to the diaphragm output from the cleaning tank; a driving roller is arranged in the cleaning tank, an overflow port is formed in the wall above the cleaning tank, a pipeline is connected between the waste liquid tank and the overflow port, and a liquid discharge pipe is arranged on the waste liquid tank; the scraper is arranged above the driving roller close to the tail end of the cleaning tank, and the lower part of the scraper is tangent to the upper surface of the diaphragm.
Further, the driving roller includes: the washing device comprises a first roller, a second roller, a third roller and a fourth roller, wherein the first roller is positioned above the front end of the washing tank, the second roller and the third roller are positioned in the washing tank, and the lowest ends of the second roller and the third roller are lower than the liquid level position in the washing tank; the fourth roller is positioned above the tail end of the cleaning groove and below the scraper.
Further, a first cleaning tank and a second cleaning tank which are adjacent to each other are arranged, a first spray pipe and a second spray pipe are arranged above the tail ends of the first cleaning tank and the second cleaning tank respectively, the water storage tank is connected with the second spray pipe through a first water adding pipeline, and a first pump is installed on the first water adding pipeline;
a first overflow port and a second overflow port are respectively arranged on the first cleaning tank and the second cleaning tank, the waste liquid tank is positioned below the first overflow port, a cache tank is arranged below the second overflow port, the cache tank is connected with the first spray pipe through a second water feeding pipeline, and a second pump is arranged on the second water feeding pipeline;
the driving roller includes: a fifth roller, a sixth roller, a seventh roller, an eighth roller, a ninth roller, a tenth roller, an eleventh roller, and a tenth roller; the fifth roller is positioned above the front end of the first cleaning tank, the sixth roller and the seventh roller are positioned in the first cleaning tank, and the lowest ends of the sixth roller and the seventh roller are lower than the liquid level position in the first cleaning tank; the eighth roller and the ninth roller are arranged between the first cleaning tank and the second cleaning tank; the tenth roller and the eleventh roller are positioned inside the second cleaning tank, and the lowest ends of the tenth roller and the eleventh roller are lower than the liquid level position in the second cleaning tank; the twelfth roller is positioned above the tail end of the second cleaning groove and below the scraper.
In the utility model, the diaphragm is supported and transmitted by the driving roller, the driving roller inside the cleaning tank presses the diaphragm to be soaked in the water in the cleaning tank, and soaking and washing are carried out in the transmission process; at the spray pipe, water is sprayed to the membrane from the spray pipe, and the washing force exists, so that residual NMP on the membrane can be effectively washed away. The NMP concentration in the water in the spray pipe is lower than that in the front cleaning tank, the water sprayed out of the spray pipe flows into the front cleaning tank along the diaphragm, and the water in the front cleaning tank is diluted to reduce the NMP concentration; when the water level in the cleaning tank is higher than the overflow port, water can overflow to the waste liquid tank or the buffer tank. The arrangement of a plurality of cleaning tanks is equivalent to increase the cleaning times, and the water yield of each spray pipe can be properly reduced or the transmission speed of the diaphragm can be improved. A buffer tank is arranged between adjacent cleaning tanks, so that water overflowing from the next cleaning tank can be buffered conveniently, and used for flushing the former spray pipe, diluting and supplementing water in the former cleaning tank; greatly saving water consumption.
Compared with the prior art, the utility model has the advantages that:
1) the washing machine is provided with small-volume washing tanks, the rear end of each washing tank is additionally provided with a spray pipe, and multiple times of washing are carried out by adopting a combined mode of soaking washing and water flow washing, so that the washing efficiency is high, and water is saved;
1) the spray pipes are arranged at the rear end of each cleaning tank, so that the equipment occupies less land; among a plurality of cleaning tanks, water can be used for many times, and water can be saved;
2) the rear end of the cleaning tank is provided with a scraper for filtering water, so that the water carrying capacity of the composite para-aramid fiber membrane after cleaning is reduced, and the subsequent drying process is facilitated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
FIG. 1 is a schematic view of the constitution of a washing apparatus in embodiment 1;
FIG. 2 is a schematic view of the structure of a washing apparatus in example 2.
1. The device comprises a cleaning tank, a water storage tank, a waste liquid tank, a pump, a water adding pipeline, a spraying pipe, a overflow port, a scraper, a water inlet pipe, a liquid discharge pipe, a first roller, a second roller, a third roller, a fourth roller;
101. the device comprises a first cleaning tank 102, a second cleaning tank 103, a first spray pipe 104, a second spray pipe 105, a first overflow port 106, a second overflow port 107, a buffer tank 108, a first water feeding pipeline 109, a first pump 110, a second water feeding pipeline 111 and a second pump;
201. a fifth roller 202, a sixth roller 203, a seventh roller 204, an eighth roller 205, a ninth roller 206, a tenth roller 207, an eleventh roller 208, and a tenth roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments.
the water storage tank 2 is provided with a water inlet pipe 9 connected with a water source, the water storage tank 2 is connected with the spray pipe 6 through a water adding pipeline 5, and the water adding pipeline 5 is provided with a pump 4; the spray pipe 6 is fixedly arranged at the position close to the tail end of the cleaning tank 1, and the water spray opening of the spray pipe 6 faces the diaphragm 15 output from the cleaning tank 1; a driving roller is arranged in the cleaning tank 1, an overflow port 7 is formed in the wall above the cleaning tank 1, a pipeline is connected between the waste liquid tank 3 and the overflow port 7, and a liquid discharge pipe 10 is arranged on the waste liquid tank 3; the scraper 8 is arranged above the driving roller close to the tail end of the cleaning tank 1, and the lower part of the scraper 8 is tangent to the upper surface of the diaphragm 15.
The driving roller includes: the washing device comprises a first roller 11, a second roller 12, a third roller 13 and a fourth roller 14, wherein the first roller 11 is positioned above the front end of the washing tank 1, the second roller 12 and the third roller 13 are positioned in the washing tank 1, and the lowest ends of the second roller 12 and the third roller 13 are lower than the liquid level position in the washing tank 1; the fourth roller 14 is located above the end of the cleaning tank 1 and below the doctor blade 8.
The diaphragm 15 is supported and transmitted by a transmission roller, the transmission roller inside the cleaning tank 1 presses the diaphragm 15 to be soaked in the water in the cleaning tank 1, and soaking and washing are carried out in the transmission process; at the spray pipe 6, water is sprayed onto the membrane 15 from the spray pipe 6, and a scouring force exists, so that residual NMP on the membrane 15 can be effectively washed away. The NMP concentration in the water in the spray pipe 6 is lower than that of the water in the front cleaning tank 1, the water sprayed out of the spray pipe 6 flows into the front cleaning tank 1 along the diaphragm 15, and the water in the front cleaning tank 1 is diluted to reduce the NMP concentration; when the water level in the cleaning tank 1 is higher than the overflow port 7, the water overflows into the waste liquid tank 3 or the buffer tank 107. The arrangement of a plurality of cleaning tanks is equivalent to increase the cleaning times, and the water yield of each spray pipe can be properly reduced or the transmission speed of the diaphragm can be improved. A buffer tank 107 is arranged between adjacent cleaning tanks, so that water overflowing from the next cleaning tank can be buffered conveniently, and used for flushing the former spray pipe, diluting and supplementing water in the former cleaning tank; greatly saving water consumption.
a first overflow port 105 and a second overflow port 106 are respectively arranged on the first cleaning tank 101 and the second cleaning tank 102, the waste liquid tank 3 is positioned below the first overflow port 105, a buffer tank 107 is arranged below the second overflow port 106, the buffer tank 107 is connected with the first spray pipe 103 through a second water feeding pipeline 110, and a second pump 111 is arranged on the second water feeding pipeline 110;
the driving roller includes: a fifth roller 201, a sixth roller 202, a seventh roller 203, an eighth roller 204, a ninth roller 205, a tenth roller 206, an eleventh roller 207, a twelfth roller 208; the fifth roller 201 is positioned above the front end of the first cleaning tank 101, the sixth roller 202 and the seventh roller 203 are positioned inside the first cleaning tank 101, and the lowest ends of the sixth roller 202 and the seventh roller 203 are lower than the liquid level in the first cleaning tank 101; an eighth roller 204 and a ninth roller 205 are installed between the first cleaning tank 101 and the second cleaning tank 102; the tenth roller 206 and the eleventh roller 207 are located inside the second cleaning tank 102, and the lowermost ends of the tenth roller 206 and the eleventh roller 207 are lower than the liquid level position in the second cleaning tank 102; the twelfth roller 208 is positioned above the end of the second cleaning bath 102 and below the doctor blade 8.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (3)
1. A para-aramid diaphragm washing device comprises a washing tank (1) and is characterized in that,
the method comprises the following steps: the device comprises a cleaning tank (1), a water storage tank (2), a waste liquid tank (3), a pump (4), a spray pipe (6), a scraper (8) and a transmission roller for transmitting a diaphragm (15);
a water inlet pipe (9) connected with a water source is arranged on the water storage tank (2), the water storage tank (2) is connected with the spray pipe (6) through a water feeding pipeline (5), and a pump (4) is installed on the water feeding pipeline (5); the spray pipe (6) is fixedly arranged at the position close to the tail end of the cleaning tank (1), and a water spray opening of the spray pipe (6) faces to the diaphragm (15) output from the cleaning tank (1); a driving roller is arranged in the cleaning tank (1), an overflow port (7) is formed in the wall above the cleaning tank (1), a pipeline is connected between the waste liquid tank (3) and the overflow port (7), and a liquid discharge pipe (10) is arranged on the waste liquid tank (3); the scraper (8) is arranged above the driving roller close to the tail end of the cleaning tank (1), and the lower part of the scraper (8) is tangent to the upper surface of the diaphragm (15).
2. The para-aramid membrane washing device as claimed in claim 1, wherein the driving roller comprises: the washing machine comprises a first roller (11), a second roller (12), a third roller (13) and a fourth roller (14), wherein the first roller (11) is positioned above the front end of the washing tank (1), the second roller (12) and the third roller (13) are positioned in the washing tank (1), and the lowest ends of the second roller (12) and the third roller (13) are lower than the liquid level position in the washing tank (1); the fourth roller (14) is positioned above the tail end of the cleaning tank (1) and below the scraper (8).
3. The para-aramid membrane washing device as claimed in claim 1,
arranging a first cleaning tank (101) and a second cleaning tank (102) which are adjacent to each other, arranging a first spray pipe (103) and a second spray pipe (104) above the tail ends of the first cleaning tank (101) and the second cleaning tank (102) respectively, connecting a water storage tank (2) with the second spray pipe (104) through a first water adding pipeline (108), and installing a first pump (109) on the first water adding pipeline (108);
a first overflow port (105) and a second overflow port (106) are respectively arranged on the first cleaning tank (101) and the second cleaning tank (102), the waste liquid tank (3) is positioned below the first overflow port (105), a buffer tank (107) is arranged below the second overflow port (106), the buffer tank (107) is connected with the first spray pipe (103) through a second water feeding pipeline (110), and a second pump (111) is arranged on the second water feeding pipeline (110);
the driving roller includes: a fifth roller (201), a sixth roller (202), a seventh roller (203), an eighth roller (204), a ninth roller (205), a tenth roller (206), an eleventh roller (207), and a tenth roller (208); the fifth roller (201) is positioned above the front end of the first cleaning tank (101), the sixth roller (202) and the seventh roller (203) are positioned inside the first cleaning tank (101), and the lowest ends of the sixth roller (202) and the seventh roller (203) are lower than the liquid level in the first cleaning tank (101); an eighth roller (204) and a ninth roller (205) are installed between the first cleaning tank (101) and the second cleaning tank (102); the tenth roller (206) and the eleventh roller (207) are positioned inside the second cleaning tank (102), and the lowest ends of the tenth roller (206) and the eleventh roller (207) are lower than the liquid level in the second cleaning tank (102); the tenth roller (208) is positioned above the end of the second cleaning tank (102) and below the scraper (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169477.3U CN211160966U (en) | 2019-12-06 | 2019-12-06 | Para-aramid diaphragm washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169477.3U CN211160966U (en) | 2019-12-06 | 2019-12-06 | Para-aramid diaphragm washing device |
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| Publication Number | Publication Date |
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| CN211160966U true CN211160966U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922169477.3U Active CN211160966U (en) | 2019-12-06 | 2019-12-06 | Para-aramid diaphragm washing device |
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| CN (1) | CN211160966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338177A (en) * | 2022-07-06 | 2022-11-15 | 浙江锂威电子科技有限公司 | Method for cleaning oil-coated diaphragm |
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2019
- 2019-12-06 CN CN201922169477.3U patent/CN211160966U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338177A (en) * | 2022-07-06 | 2022-11-15 | 浙江锂威电子科技有限公司 | Method for cleaning oil-coated diaphragm |
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