CN218961926U - Device for filtering impurities in lithium ion electrolyte - Google Patents
Device for filtering impurities in lithium ion electrolyte Download PDFInfo
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- CN218961926U CN218961926U CN202222811058.7U CN202222811058U CN218961926U CN 218961926 U CN218961926 U CN 218961926U CN 202222811058 U CN202222811058 U CN 202222811058U CN 218961926 U CN218961926 U CN 218961926U
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- China
- Prior art keywords
- lithium ion
- filter screen
- filter
- ion electrolyte
- filter vat
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- 238000001914 filtration Methods 0.000 title claims abstract description 68
- 239000003792 electrolyte Substances 0.000 title claims abstract description 52
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 47
- 239000012535 impurity Substances 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims description 40
- 239000011550 stock solution Substances 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a device for filtering lithium ion electrolyte impurities, which relates to the technical field of devices for filtering lithium ion electrolyte impurities, and particularly relates to a device for filtering lithium ion electrolyte impurities. This filter device of lithium ion electrolyte impurity sets up through the cooperation of one-level and secondary filter vat, and lithium ion electrolyte is filtered the impurity that the diameter is slightly big in the one-level filter vat by first drain pump through one-level fluid-discharge tube pumping in the use, and the lithium ion electrolyte after the filtration is filtered the impurity that the diameter is less in the secondary filter vat by the second fluid-discharge pump pumping, has played the effect of two-stage filtration, has reached the purpose of filtering different diameter impurities.
Description
Technical Field
The utility model relates to the technical field of devices for filtering impurities of lithium ion electrolyte, in particular to a device for filtering impurities of lithium ion electrolyte.
Background
The electrolyte is a medium used for a chemical battery, an electrolytic capacitor and the like, the lithium battery electrolyte is a carrier for ion transmission in the battery, the lithium ion electrolyte generally consists of lithium salt and an organic solvent, the electrolyte plays a role in conducting ions between the anode and the cathode of the lithium battery, the electrolyte ensures that the lithium ion battery has the advantages of high voltage, high specific energy and the like, and the electrolyte is generally prepared from the raw materials of the high-purity organic solvent, the electrolyte lithium salt, necessary additives and the like according to a certain proportion under certain conditions. However, with the improvement of the current technology productivity level, the purity requirements of lithium battery enterprises and scientific research units on lithium ion electrolyte in various places are gradually improved, and the primary task of purifying the lithium ion electrolyte is to remove impurities in the lithium ion electrolyte, so that an existing device for filtering impurities in the lithium ion electrolyte is needed, most of the existing devices for filtering impurities in the lithium ion electrolyte are single in filtering level and cannot perform multistage filtration, and a part of impurities still cannot be filtered, and the problems of the increase of the filtering level and the design of the device are caused, so that the phenomena of dripping and slow filtering speed of the solution occur.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a device for filtering impurities of lithium ion electrolyte, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a device for filtering lithium ion electrolyte impurity, includes the stoste case, the up end fixedly connected with box lid of stoste case, one side upper surface swing joint of box lid has the feed inlet, one side upper surface of box lid is provided with the dust filtration air inlet, the lower extreme fixedly connected with one-level drain pipe of stoste case, one end of one-level drain pipe is provided with the liquid delivery valve, the first drain pump of middle part fixedly connected with of one-level drain pipe, the other end and the one-level filter vat fixed connection of one-level drain pipe, the upper portion surface of one-level filter vat is provided with the connecting block, the connecting block is through pivot and fastening screw swing joint, the up end swing joint of one-level filter vat has the rubber pad, the top swing joint of rubber pad has first bung, the upper portion of first bung is provided with first hand wheel, the lower extreme of one-level filter vat is provided with drain valve one, be provided with filter screen supporting shoe on the inner wall of one-level filter vat, surface swing joint has one-level drain pump on the filter screen supporting shoe, the lower part of one-level filter vat is provided with the first drain pump, second drain pipe is provided with second filter screen supporting shoe, second stage filter vat upper portion is provided with second filter screen supporting shoe, second filter screen top connection has the second filter vat, second filter vat upper portion is provided with second filter screen supporting shoe, second filter screen supporting shoe.
Optionally, the inner surface of the lower end cover of the feed port cover is provided with threads, and the upper part of the feed port cover is in a round wheel shape.
Optionally, the stock solution box is cylindrical in shape, the lower part of the stock solution box is in a truncated cone shape, and the height of the barrel body of the stock solution box is one five times the diameter of the barrel body.
Optionally, the upper section of the first barrel cover is in an arc shape, the lower part of the first barrel cover is integrally in a disc shape, four screw grooves are uniformly formed in the circumferential surface of the lower disc of the first barrel cover, and the thickness of the upper disc is one five times that of the rubber pad.
Optionally, the diameter of the circumference of the rubber pad is the same as the diameter of the lower disc of the first barrel cover, and four screw grooves are uniformly formed in the circumference surface of the rubber pad.
Optionally, the upper end of one-level filter vat is discoid, and its upper end cross-section is circular, four screw grooves have evenly been seted up to the upper end circumference surface of one-level filter vat, the upper end disc thickness of one-level filter vat is the twice of rubber pad thickness.
Optionally, a rotating shaft hole is formed in the lower portion of the fastening screw, and the diameter length of the rotating shaft hole is half of the diameter of the inner circle of the fastening screw.
Optionally, the stiff end of second grade filter screen is a stainless steel ring, the cross-section of stainless steel ring is semicircle form, the inlayer of second grade filter screen filtration part is the filtration cotton net, and the skin is high density filter screen, the mesh fine and close degree of the outer high density filter screen of second grade filter screen is the double of the outer low density filter screen mesh fine and close degree of first grade filter screen.
(III) beneficial effects
The utility model provides a device for filtering impurities in lithium ion electrolyte, which has the following beneficial effects:
1. this filter device of lithium ion electrolyte impurity sets up through the cooperation of stoste case and one-level filter vat and secondary filter vat, can pour the lithium ion electrolyte that is to filter into the stoste case in the in-process of using, open and send the liquid valve, lithium ion electrolyte is pumped to the one-level filter vat by first drain pump through one-level fluid-discharge tube and carries out the one-level filtration, the mesh diameter of one-level filter screen is bigger than the secondary filter screen mesh diameter, the one-level filter screen can filter the impurity that the diameter is slightly bigger, lithium ion electrolyte after the filtration is then pumped to the secondary filter vat by the second fluid-discharge pump and filters, the mesh of secondary filter screen is finer and denser, can filter the impurity that the diameter is less, finally, lithium ion electrolyte circulation is through the filter vat of this two-stage different filter diameters of one-level filter vat and secondary filter vat in proper order, the effect of two-stage filtration has been played, the purpose of filtering different diameter impurity has been reached.
2. According to the device for filtering lithium ion electrolyte impurities, through the installation of the first liquid discharge pump, the first liquid discharge pipe, the first barrel cover, the fastening screw and the rubber gasket, lithium ion electrolyte can be sent into the first-stage filter barrel to be filtered in a high-pressure state, the rubber gasket is tightly installed between the first barrel cover and the first-stage filter barrel through the screwing action of the fastening screw, the installation position of the first liquid discharge pipe is arranged below the first barrel cover, the installation position of the first-stage filter screen is arranged below the first liquid discharge pipe, and lithium ion electrolyte entering the first-stage filter barrel can directly enter the first-stage filter screen to be filtered, so that the effect of no 'dripping' is achieved, and the purpose of no 'dripping' is achieved; through the arrangement of the second liquid discharge pump, the second liquid discharge pipe and the second filtering barrel, the lithium ion electrolyte after primary filtering is pumped into the second filtering barrel to be filtered by the second filtering net with smaller diameter, so that the effect of rapid filtering under a high-pressure state is achieved, and the purpose of rapid filtering is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a plane structure of the secondary filter vat according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the upper end face of the secondary filter vat of the present utility model;
FIG. 4 is a schematic view of a partial structure of a fastening screw according to the present utility model;
FIG. 5 is a top view of the second lid of the present utility model;
FIG. 6 is a schematic view of the rubber pad structure of the utility model;
FIG. 7 is a schematic cross-sectional view of a filter screen support block according to the present utility model.
In the figure: 1. a stock solution tank; 2. a case cover; 3. a feed port cover; 4. dust filtering air inlet; 5. a primary liquid discharge pipe; 6. a liquid feeding valve; 7. a first positive displacement pump; 8. a first stage filter vat; 9. a connecting block; 10. a rotating shaft; 11. a fastening screw; 12. a rubber pad; 13. a first tub cover; 14. a first hand wheel; 15. a liquid discharge valve I; 16. a secondary liquid discharge pipe; 17. a second liquid discharge pump; 18. a secondary filter vat; 19. a second barrel cover; 20. the second hand wheel; 21. a liquid discharge valve II; 22. a filter screen supporting block; 23. a first-stage filter screen; 24. a second-stage filter screen supporting block; 25. a secondary filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1 and 2 and fig. 4 and 7, the present utility model provides the following technical solutions: the device for filtering lithium ion electrolyte impurities comprises a stock solution tank 1, wherein the stock solution tank 1 is cylindrical, the lower part of the stock solution tank 1 is in a truncated cone shape, the barrel body of the stock solution tank 1 is five times as high as the diameter of the barrel body, the upper end surface of the stock solution tank 1 is fixedly connected with a tank cover 2, the upper surface of one side of the tank cover 2 is movably connected with a feed port cover 3, the inner surface of the lower end cover of the feed port cover 3 is provided with threads, the upper part of the feed port cover 3 is in a round wheel shape, the upper surface of one side of the tank cover 2 is provided with a dust filtering air inlet 4, the lower end of the stock solution tank 1 is fixedly connected with a first liquid discharge pipe 5, one end of the first liquid discharge pipe 5 is provided with a liquid feeding valve 6, the middle part of the first liquid discharge pipe 7 is fixedly connected with the other end of the first liquid discharge pipe 5 and a first filtering barrel 8, the upper outer surface of the first-stage filter vat 8 is provided with a connecting block 9, the connecting block 9 is movably connected with a fastening screw 11 through a rotating shaft 10, the upper end surface of the first-stage filter vat 8 is movably connected with a rubber pad 12, a first barrel cover 13 is movably connected above the rubber pad 12, the upper part of the first barrel cover 13 is provided with a first hand wheel 14, the lower end of the first-stage filter vat 8 is provided with a drain valve I15, the inner wall of the first-stage filter vat 8 is provided with a filter screen supporting block 22, the upper surface of the filter screen supporting block 22 is movably connected with a first-stage filter screen 23, the lower part of the first-stage filter vat 8 is fixedly connected with a second-stage drain pipe 16, the middle part of the second-stage drain pipe 16 is provided with a second drain pump 17, one end of the second-stage drain pipe 16 is fixedly connected with the second-stage filter vat 18, the upper part of the second-stage filter vat 18 is provided with a second barrel cover 19, the upper portion fixedly connected with second hand wheel 20 of second bung 19, the lower extreme of second filter vat 18 is provided with flowing back valve two 21, be provided with second filter screen supporting shoe 24 on the inner wall of second filter vat 18, the upper surface swing joint of second filter screen supporting shoe 24 has second filter screen 25, the stiff end of second filter screen 25 is a stainless steel ring, the cross-section of stainless steel ring is semicircle, the inlayer of second filter screen 25 filtration part is the filter cotton net, and the skin is high density filter screen, the fine and close degree of the skin high density filter screen of second filter screen 25 is the outer low density filter screen mesh fine and close degree double of first filter screen 23.
This filter device of lithium ion electrolyte impurity, cooperation through stoste case 1 and one-level filter vat 8 and secondary filter vat 18 sets up in the use, in-process at the use can pour the lithium ion electrolyte that is ready to filter into stoste case 1, open and send liquid valve 6, lithium ion electrolyte is pumped to one-level filter vat 8 by first drain pump 7 through one-level fluid-discharge tube 5 and carries out the one-level filtration, the mesh diameter of one-level filter vat 23 is bigger than the mesh diameter of secondary filter vat 25, one-level filter vat 23 can filter the impurity that the diameter is slightly bigger, the mesh of secondary filter vat 25 is finer and denser after the filtration, can filter the impurity of diameter less, finally, lithium ion electrolyte after filtering is discharged through flowing through two-level filter vats of these two-stage different filter diameters of one-level filter vat 8 and secondary filter vat 18 in proper order, the effect of two-level filtration has been played, the purpose of filtering different diameters has been reached.
Example 2
Referring to fig. 1 to 2 and fig. 4 and 7, the present utility model provides the following technical solutions: the device for filtering lithium ion electrolyte impurities comprises a flat plate 1, wherein the upper end surface of a stock solution tank 1 is fixedly connected with a tank cover 2, the upper surface of one side of the tank cover 2 is movably connected with a feed port cover 3, the upper surface of one side of the tank cover 2 is provided with a dust filtering air inlet 4, the lower end of the stock solution tank 1 is fixedly connected with a primary liquid discharge pipe 5, one end of the primary liquid discharge pipe 5 is provided with a liquid feeding valve 6, the middle part of the primary liquid discharge pipe 5 is fixedly connected with a first liquid discharge pump 7, the other end of the primary liquid discharge pipe 5 is fixedly connected with a primary filter barrel 8, the upper end of the primary filter barrel 8 is disc-shaped, the upper end section of the primary filter barrel 8 is round, the circumferential outer surface of the upper end of the primary filter barrel 8 is uniformly provided with four screw grooves, the thickness of the upper disc of the primary filter barrel 8 is twice the thickness of a rubber pad 12, the outer surface of the upper part of the primary filter barrel 8 is provided with a connecting block 9, the connecting block 9 is movably connected with the fastening screw 11 through a rotating shaft 10, the lower part of the fastening screw 11 is provided with a rotating shaft hole, the diameter length of the rotating shaft hole is half of the diameter of the inner circle of the fastening screw 11, the upper end face of the primary filter barrel 8 is movably connected with a rubber pad 12, the circumference diameter of the rubber pad 12 is the same as the diameter of the lower disc of the first barrel cover 13, the circumference surface of the rubber pad 12 is uniformly provided with four screw grooves, the upper part of the rubber pad 12 is movably connected with the first barrel cover 13, the upper section of the first barrel cover 13 is in an arc shape, the lower part of the first barrel cover 13 is integrally in a disc shape, the circumference surface of the lower disc of the first barrel cover 13 is uniformly provided with four screw grooves, the thickness of the upper disc is five times the thickness of the rubber pad 12, the upper part of the first barrel cover 13 is provided with a first hand wheel 14, the lower extreme of one-level filter vat 8 is provided with flowing back valve one 15, be provided with filter screen supporting shoe 22 on the inner wall of one-level filter vat 8, filter screen supporting shoe 22 upper surface swing joint has one-level filter screen 23, the lower part fixedly connected with second grade flowing back pipe 16 of one-level filter vat 8, the middle part of second grade flowing back pipe 16 is provided with second liquid discharging pump 17, the one end and the second filter vat 18 fixed connection of second grade flowing back pipe 16, the top of second filter vat 18 is provided with second bung 19, the upper portion fixedly connected with second hand wheel 20 of second bung 19, the lower extreme of second filter vat 18 is provided with flowing back valve two 21, be provided with second grade filter screen supporting shoe 24 on the inner wall of second grade filter vat 18, the upper surface swing joint of second grade filter screen supporting shoe 24 has second grade filter screen 25, the stiff end of second grade filter screen 25 is a stainless steel ring, the semicircle form of the transversal face of second grade filter screen 25 filter part is the filter cotton filter screen, the outer layer of the fine filter screen of high density degree of second grade filter screen 23 is the fine mesh density degree of fine filter screen.
According to the device for filtering lithium ion electrolyte impurities, in the using process, through the installation of the first liquid discharge pump 7, the first liquid discharge pipe 5, the first barrel cover 13, the fastening screw 11 and the rubber gasket 12, lithium ion electrolyte can be sent into the first filtering barrel 8 in a high-pressure state for filtering, the rubber gasket 12 is tightly installed between the first barrel cover 13 and the first filtering barrel 8 through the screwing action of the fastening screw 11, the installation position of the first liquid discharge pipe 5 is below the first barrel cover 13, the installation position of the first filtering net 23 is below the first liquid discharge pipe 5, lithium ion electrolyte entering the first filtering barrel 8 can directly enter the first filtering net 23 for filtering, the effect of no 'dripping' is achieved, and the purpose of no 'dripping' is achieved; through the arrangement of the second liquid discharge pump 17, the second liquid discharge pipe 16 and the second filtering barrel 18, the lithium ion electrolyte after primary filtering is pumped into the second filtering barrel 18 for filtering by the second filtering net 25 with smaller diameter, thereby playing a role in rapid filtering under a high-pressure state and achieving the purpose of rapid filtering.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a filter device of lithium ion electrolyte impurity, includes stoste case (1), its characterized in that: the upper end face of the stock solution tank (1) is fixedly connected with a tank cover (2), one side upper surface of the tank cover (2) is movably connected with a feed port cover (3), one side upper surface of the tank cover (2) is provided with a dust filtering air inlet (4), the lower end of the stock solution tank (1) is fixedly connected with a primary liquid discharge pipe (5), one end of the primary liquid discharge pipe (5) is provided with a liquid feeding valve (6), the middle part of the primary liquid discharge pipe (5) is fixedly connected with a first liquid discharge pump (7), the other end of the primary liquid discharge pipe (5) is fixedly connected with a primary filtering barrel (8), the upper outer surface of the first-stage filter vat (8) is provided with a connecting block (9), the connecting block (9) is movably connected with a fastening screw (11) through a rotating shaft (10), the upper end surface of the first-stage filter vat (8) is movably connected with a rubber pad (12), a first barrel cover (13) is movably connected above the rubber pad (12), the upper part of the first barrel cover (13) is provided with a first hand wheel (14), the lower end of the first-stage filter vat (8) is provided with a liquid discharge valve I (15), the inner wall of the first-stage filter vat (8) is provided with a filter screen supporting block (22), the upper surface of the filter screen supporting block (22) is movably connected with a first-stage filter screen (23), the utility model discloses a filter device, including first class filter vat (8), second drain pipe (16) of lower part fixedly connected with, the middle part of second drain pipe (16) is provided with second drain pump (17), the one end and the second filter vat (18) of second drain pipe (16) fixed connection, the top of second filter vat (18) is provided with second bung (19), the upper portion fixedly connected with second hand wheel (20) of second bung (19), the lower extreme of second filter vat (18) is provided with flowing back valve two (21), be provided with second filter screen supporting shoe (24) on the inner wall of second filter vat (18), the upper surface swing joint of second filter screen supporting shoe (24) has second filter screen (25).
2. The device for filtering impurities in a lithium ion electrolyte according to claim 1, wherein: the screw thread is arranged on the inner surface of the lower end cover of the feed port cover (3), and the upper part of the feed port cover (3) is in a round wheel shape.
3. The device for filtering impurities in a lithium ion electrolyte according to claim 1, wherein: the stock solution box (1) is cylindrical, the lower part of the stock solution box is in a truncated cone shape, and the height of the barrel body of the stock solution box (1) is one five times the diameter of the barrel body.
4. The device for filtering impurities in a lithium ion electrolyte according to claim 1, wherein: the upper section of the first barrel cover (13) is in an arc shape, the whole lower part of the first barrel cover is disc-shaped, four screw grooves are uniformly formed in the circumferential surface of the lower disc of the first barrel cover (13), and the thickness of the upper disc is one five times that of the rubber pad (12).
5. The device for filtering impurities in a lithium ion electrolyte according to claim 1, wherein: the diameter of the circumference of the rubber pad (12) is the same as that of the lower disc of the first barrel cover (13), and four screw grooves are uniformly formed in the circumference surface of the rubber pad (12).
6. The device for filtering impurities in a lithium ion electrolyte according to claim 1, wherein: the upper end of the primary filter vat (8) is disc-shaped, the upper end section of the primary filter vat is circular, four screw grooves are uniformly formed in the outer surface of the circumference of the upper end of the primary filter vat (8), and the thickness of the upper end disc of the primary filter vat (8) is twice that of a rubber pad (12).
7. The device for filtering impurities in a lithium ion electrolyte according to claim 1, wherein: the lower part of the fastening screw (11) is provided with a rotating shaft hole, and the diameter length of the rotating shaft hole is half of the diameter of the inner circle of the fastening screw (11).
8. The device for filtering impurities in a lithium ion electrolyte according to claim 1, wherein: the fixed end of the secondary filter screen (25) is a stainless steel ring, the cross section of the stainless steel ring is semicircular, the inner layer of the filter part of the secondary filter screen (25) is a filter cotton net, the outer layer of the filter part is a high-density filter screen, and the mesh fine degree of the outer layer high-density filter screen of the secondary filter screen (25) is twice that of the outer layer low-density filter screen of the primary filter screen (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222811058.7U CN218961926U (en) | 2022-10-25 | 2022-10-25 | Device for filtering impurities in lithium ion electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222811058.7U CN218961926U (en) | 2022-10-25 | 2022-10-25 | Device for filtering impurities in lithium ion electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218961926U true CN218961926U (en) | 2023-05-05 |
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ID=86156203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222811058.7U Active CN218961926U (en) | 2022-10-25 | 2022-10-25 | Device for filtering impurities in lithium ion electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218961926U (en) |
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2022
- 2022-10-25 CN CN202222811058.7U patent/CN218961926U/en active Active
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