CN220611120U - Battery slurry feeding device - Google Patents
Battery slurry feeding device Download PDFInfo
- Publication number
- CN220611120U CN220611120U CN202322155557.XU CN202322155557U CN220611120U CN 220611120 U CN220611120 U CN 220611120U CN 202322155557 U CN202322155557 U CN 202322155557U CN 220611120 U CN220611120 U CN 220611120U
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- filter
- slurry
- feeding
- filtering
- unit
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- 239000002002 slurry Substances 0.000 title claims abstract description 73
- 238000001914 filtration Methods 0.000 claims abstract description 50
- 238000003860 storage Methods 0.000 claims abstract description 40
- 238000000576 coating method Methods 0.000 claims abstract description 36
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 239000011163 secondary particle Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003466 welding Methods 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)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The embodiment discloses a battery slurry feeding device, which comprises a temporary storage tank for storing slurry and a feeding mechanism, wherein the feeding mechanism comprises a feeding power piece, a control valve and at least one filtering component; the inlet of the feeding power piece is connected with the discharge port of the temporary storage tank; each filter assembly comprises a first filter unit and a second filter unit, the outlet of the feeding power piece is respectively communicated with the feeding end of the first filter unit and the feeding end of the second filter unit in each filter assembly through connectors, and the discharging ends of the first filter unit and the filter units are used for leading filtered slurry to coating equipment; the control valve is arranged on the connecting head and used for controlling the slurry to flow to the first filtering unit or the second filtering unit. According to the technical scheme, the slurry can be controlled to flow to the first filtering unit or the second filtering unit by the control valve, so that when the situation of blocking the filter element occurs, normal feeding and replacement of the filter element are ensured.
Description
Technical Field
The utility model relates to the technical field of battery manufacturing, in particular to a battery slurry feeding device.
Background
With the rapid development of the new energy automobile industry in recent years, the power battery technology also rapidly advances. The pulping process is an important process in the production process of lithium batteries, namely pulping, which is to mix special solvent and adhesive with powdery positive and negative electrode active materials respectively, and prepare pasty positive and negative electrode materials after high-speed stirring.
At present, the homogenization processes adopted by different mixers in the industry are usually a dry process, a semi-dry process and a wet process, while at present, the graphite industry takes most artificial graphite, the artificial graphite is divided into primary particle and secondary particle mixture, the secondary particle mixture has uneven doping when being doped with each other, namely, the difference in the process of one material batch exists, and small particle materials are easy to agglomerate when more, so that the condition of blocking filter elements easily occurs in the production process of the anode and cathode homogenate, the filter elements need to be frequently replaced, the normal production of a production line is seriously affected, and the production efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a battery slurry feeding device.
The embodiment of the application provides a battery slurry feeding device, which comprises a temporary storage tank for storing slurry and a feeding mechanism;
the feeding mechanism includes:
the inlet of the feeding power piece is connected with the discharge port of the temporary storage tank so as to drive the slurry stored in the temporary storage tank to flow;
the device comprises at least one filter assembly, wherein each filter assembly comprises a first filter unit and a second filter unit, the outlet of the feeding power piece is respectively communicated with the feeding end of the first filter unit and the feeding end of the second filter unit in each filter assembly through connectors, and the discharging ends of the first filter unit and the second filter unit are used for leading filtered slurry to coating equipment;
and the control valve is arranged on the connecting head and used for controlling slurry to flow to the first filtering unit or the second filtering unit.
In one embodiment, the first filtering unit and the second filtering unit each comprise a first filtering piece and a second filtering piece which are sequentially connected, the first filtering piece is communicated with the outlet of the feeding power piece, the first filtering piece is used for performing primary filtering on the slurry, and the second filtering piece is used for filtering magnetic substances in the slurry.
In one embodiment, the first filter element comprises a first filter tube and a filter element arranged in the first filter tube, wherein the feeding end of the first filter tube is connected with the outlet of the feeding power element, and the discharging end of the first filter tube is communicated with the second filter element.
In one embodiment, the second filter element comprises a second filter tube and a filter magnetic rod arranged in the second filter tube, wherein the feeding end of the second filter tube is connected with the discharging end of the first filter tube, and the filter magnetic rod is used for adsorbing magnetic substances in slurry.
In one embodiment, the apparatus further comprises a feed pipe, one end of which is connected to the discharge port of the second filter pipe for leading the filtered slurry to the coating apparatus.
In one embodiment, the device further comprises a return pipe and a coating temporary storage tank, wherein one end of the return pipe is connected with the supply pipe, and the other end of the return pipe is connected with the coating temporary storage tank.
In one embodiment, the filter further comprises a pressure gauge, wherein the first filter unit and the second filter unit are respectively provided with a pressure gauge, and the pressure gauge is used for monitoring pressure changes on the first filter unit and the second filter unit.
In one embodiment, the feed power member is a diaphragm pump.
In one embodiment, a discharge port is formed in the bottom of the temporary storage tank, and a manual control valve is arranged at the discharge port.
In one embodiment, the device further comprises a tee pipe, a first conveying pipe and a second conveying pipe;
the inlet of the three-way pipe is communicated with the outlet of the feeding power piece, and the inlet of the first conveying pipe and the inlet of the second conveying pipe are respectively connected with the two outlets of the three-way pipe;
the filter assembly is provided with two filter assemblies, namely a first filter assembly and a second filter assembly, wherein the first filter assembly is communicated with an outlet of the first conveying pipe, and the second filter assembly is communicated with an outlet of the second conveying pipe.
Compared with the prior art, the above technical scheme provided by the embodiment of the application has the beneficial effects that:
slurry stored in the temporary storage tank is pumped to the filtering component through the feeding power piece, so that the slurry is led to the coating equipment for coating operation after being filtered, small particles in the slurry can be effectively filtered, the phenomena of particle sedimentation, micro powder agglomeration and the like of the slurry are reduced, a filter element is not required to be frequently replaced, and the production efficiency is improved. In addition, a control valve may be used to control the flow of slurry to either the first or second filter units so that when a plugged cartridge condition occurs, normal feed and replacement of the cartridge is ensured.
Drawings
FIG. 1 is a schematic top view of an embodiment of a battery paste feed apparatus of the present application;
FIG. 2 is a schematic top view of another embodiment of a battery paste feed apparatus of the present application;
FIG. 3 is a schematic front view of a battery paste feeding device according to another embodiment of the present application;
fig. 4 is a schematic structural view of a temporary storage tank in the battery paste feeding device.
Reference numerals in the drawings:
10. a temporary storage tank; 10a, a discharge hole; 10b, a discharge hole; 20. a feeding power piece; 20a, an inlet; 30. a filter assembly; 30a, a first filter assembly; 30b, a second filter assembly; 31. a first filtering unit; 32. a second filtering unit; 40. a connector; 50. a control valve; 60. a feed pipe; 70. a return pipe; 80. a coating temporary storage tank; 90. automatically controlling the valve; 100. a feed hose; 200. a pressure gauge; 300. and a manual control valve.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1, an embodiment of the disclosure provides a slurry battery material feeding device, which includes a temporary storage tank 10 for storing slurry and a feeding mechanism, wherein the feeding mechanism includes a feeding power member 20, a control valve 50 and at least one filter assembly 30.
Specifically, the inlet 20a of the feeding power member 20 is connected to the discharge port 10a of the temporary storage tank 10 to drive the flow of the slurry stored in the temporary storage tank 10; each filter assembly 30 comprises a first filter unit 31 and a second filter unit 32, and the outlet of the feeding power piece 20 is respectively communicated with the feeding end of the first filter unit 31 and the feeding end of the second filter unit 32 through connectors 40, and the discharging ends of the first filter unit 31 and the second filter unit 32 are used for leading filtered slurry to a coating device; a control valve 50 is provided on the connection head 40 for controlling the flow of slurry to the first filter unit 31 or the second filter unit 32.
Illustratively, the feeding motive element 20 may be a diaphragm pump, or may be any other motive element capable of pumping the slurry in the temporary storage tank into the filter assembly for filtration, without limitation. In this embodiment, preferably, the feeding power unit 20 adopts a diaphragm pump, and as for how the diaphragm pump pumps the slurry in the temporary storage tank, reference is made to the prior art, and details thereof will not be described.
The control valve 50 may be an automatic control valve or a manual valve, for example, and is not limited thereto. In addition, the control valve 50 is a three-way control valve.
Based on the above technical characteristics, the slurry stored in the temporary storage tank 10 is pumped onto the filter assembly 30 through the feeding power piece 20, wherein the control valve 50 can be utilized to control the slurry to flow to the first filter unit 31 or the second filter unit 32, so that when the first filter unit 31 or the second filter unit 32 is blocked, the normal feeding of the slurry can be ensured while the filter element is replaced, the whole device is not required to be stopped to perform the operation of replacing the filter element, and meanwhile, the first filter unit and the second filter unit are arranged, so that the slurry is led to the coating equipment for coating operation after being filtered, small particles in the slurry can be effectively filtered, and the phenomena of particle sedimentation, micro powder agglomeration and the like of the slurry are reduced.
Here, it should be noted that, the above-mentioned "at least one filter element" means that the filter element may be one filter element or more than one filter element, and the specific number of the filter elements is required according to the specific situation.
For example: according to the production requirement, the filter assembly 30 is only provided with one, referring to fig. 1 specifically, the filter assembly 30 is composed of a first filter unit 31 and a second filter unit 32, and the outlets of the feeding power unit 20 are respectively communicated with the feed ends of the first filter unit 31 and the second filter unit 32 through connectors 40, then the control valve 50 arranged on the connectors 40 is used for controlling the slurry to flow to the first filter unit 31 or the second filter unit 32, and finally the filtered slurry is led to a coating device for coating. If any one of the first filtering unit 31 or the second filtering unit 32 is blocked, the slurry can be controlled to flow to the other filtering unit by the three-way control valve to perform normal filtering, so that normal feeding can be ensured while the filter element is replaced, and the production efficiency is improved.
In addition, and with specific reference to fig. 2, in a further embodiment, two filter assemblies 30 are provided, a first filter assembly 30a and a second filter assembly 30b, respectively, each of which is connected to the outlet of the feeding power member. In this way, the first filter assembly 30a and the second filter assembly 30b can be utilized to form dual-channel feeding, which is beneficial to accelerating feeding speed and improving production efficiency.
It should be noted that, whether one filter assembly 30 is provided or two or more filter assemblies are provided, each filter assembly 30 is composed of the first filter unit 31 and the second filter unit 32, and for convenience of description, the following embodiment is described by taking one filter assembly 30 as an example, but not limited thereto.
Referring specifically to fig. 3, in one embodiment, the first filtering unit 31 and the second filtering unit 32 each include a first filtering member 311 and a second filtering member 312 that are sequentially connected, where the first filtering member 311 is in communication with the outlet of the feeding power member 20, the first filtering member 311 is used for performing primary filtering on the slurry, and the second filtering member 312 is used for filtering magnetic substances in the slurry.
Illustratively, when the feeding power member 20 pumps the slurry in the temporary storage tank 10 to the first filtering unit 31 or the second filtering unit 32, the slurry is filtered by the first filtering member 311, and then the particles in the slurry are filtered by the second filtering member 312, so that the magnetic substances in the slurry are filtered, and thus, the phenomena of particle sedimentation, micro powder agglomeration and the like of the slurry can be effectively reduced, frequent replacement of the filter element is not required, and the production efficiency is improved.
In one embodiment, the first filter member 311 comprises a first filter tube and a filter element disposed within the first filter tube, the feed end of the first filter tube being coupled to the outlet of the feed power member 20, and the discharge end of the first filter tube being coupled to the second filter member. Thus, the filter element arranged in the first filter pipe is utilized to filter particles in the slurry, so that large particles are reduced to appear in the subsequent coating process, and the quality of products is improved.
In one embodiment, the second filter 312 includes a second filter tube and a filter magnetic rod disposed in the second filter tube, the second filter tube having a feed end connected to a discharge end of the first filter tube, the filter magnetic rod being configured to adsorb magnetic substances in the slurry. Therefore, the magnetic substances in the slurry are adsorbed by the filter magnetic rod arranged in the second filter pipe, so that the magnetic substances in the slurry are filtered, the scrapping of the pole piece is avoided, and the quality of the product is improved.
In one embodiment, the apparatus further comprises a feed pipe 60, one end of the feed pipe 60 being connected to the outlet of the second filter pipe for leading the filtered slurry to the coating apparatus. It should be noted that, the butt joint of the feed pipe 60 and the second filter pipe may adopt a welding manner, so as to avoid the slurry flowing out from the butt joint of the feed pipe and the second filter pipe, resulting in leakage of the slurry and waste.
In one embodiment, the apparatus further comprises a return pipe 70 and a coating temporary storage tank 80, wherein one end of the return pipe 70 is connected with the supply pipe 60, and the other end of the return pipe 70 is connected with the coating temporary storage tank 80, so that the slurry temporarily stored in the coating temporary storage tank 80 can return to the supply pipe when the slurry is fully stored.
Illustratively, the inlet of the coating temporary storage tank 80 is provided with a feed hose 100, and the feed hose 100 is connected to the return pipe 70 and the feed pipe 60 through a control valve 90 (three-way valve), respectively, and the outlet of the coating temporary storage tank 80 is connected to the coating apparatus.
When coating is required or before coating, the slurry in the temporary storage tank 10 is pumped onto the filter assembly 30 under the action of the feeding power unit 20, and the filtered slurry sequentially passes through the feed pipe 60 and the coating temporary storage tank 80 to reach the coating equipment, so that coating is performed.
When the coating is completed, the surplus slurry in the coating equipment flows back into the coating temporary storage tank 80, further, a liquid level meter (not shown) is arranged on the coating temporary storage tank 80, when the liquid level meter senses that the liquid level is higher, the control valve 90 is controlled to close one path of the supply pipe 60 flowing to the coating temporary storage tank 80, and one path of the return pipe 70 is conducted, so that the slurry in the coating temporary storage tank 80 can flow back through the return pipe 70 under the action of the feeding power piece 20 and sequentially pass through the second filter piece 312 and the first filter piece 311, and then flows back into the temporary storage tank 10 to be stored, and the waste of the slurry is avoided.
In addition, in the present application, the working pressure of the feeding power member 20 is 0.6-0.8Mpa, and the feeding power member can continuously work to provide the feeding pressure.
In this application, all valves may be automatic valves or manual valves.
In one embodiment, the pressure meter 200 is further provided on each of the first filter unit 31 and the second filter unit 32, and the pressure meter 200 is used for monitoring pressure changes on the first filter unit 31 and the second filter unit 32.
Illustratively, the pressure gauge 200 can be used to monitor the pressure values of the first filter unit 31 and the second filter unit 32, so that an operator can determine whether the first filter unit 31 or the second filter unit 32 is blocked according to the pressure change, and thus the slurry is led to the filter unit without blocking through the control valve 50 for filtering, so that normal feeding can be ensured.
In one embodiment, the bottom of the temporary storage tank 10 is provided with a discharge port 10b, and the discharge port 10b is provided with a manual control valve 300. Thus, the manual control valve 300 can control the opening or closing of the discharge port 10b, so that part of the slurry can be taken out from the temporary storage tank 10 for detection, and the slurry stored in the temporary storage tank 10 is prevented from being used after being disqualified.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (5)
1. The battery slurry feeding device is characterized by comprising a temporary storage tank for storing slurry and a feeding mechanism;
the feeding mechanism includes:
the inlet of the feeding power piece is connected with the discharge port of the temporary storage tank so as to drive the slurry stored in the temporary storage tank to flow;
the device comprises at least one filter assembly, wherein each filter assembly comprises a first filter unit and a second filter unit, the outlet of the feeding power piece is respectively communicated with the feeding end of the first filter unit and the feeding end of the second filter unit in each filter assembly through connectors, and the discharging ends of the first filter unit and the second filter unit are used for leading filtered slurry to coating equipment;
a control valve provided on the connection head for controlling the flow of slurry to the first filtering unit or the second filtering unit;
the first filtering unit and the second filtering unit comprise a first filtering piece and a second filtering piece which are sequentially connected, the first filtering piece is communicated with an outlet of the feeding power piece, the first filtering piece is used for carrying out primary filtering on slurry, and the second filtering piece is used for filtering magnetic substances in the slurry;
the first filter piece comprises a first filter pipe and a filter element arranged in the first filter pipe, the feeding end of the first filter pipe is connected with the outlet of the feeding power piece, and the discharging end of the first filter pipe is communicated with the second filter piece;
the second filter piece comprises a second filter pipe and a filter magnetic rod arranged in the second filter pipe, the feeding end of the second filter pipe is connected with the discharging end of the first filter pipe, and the filter magnetic rod is used for adsorbing magnetic substances in slurry;
still include feed pipe, back flow and coating temporary storage jar, the one end of feed pipe with the discharge gate of second filter tube links to each other for leading to the coating equipment with the thick liquids after filtering, the one end of back flow with the feed pipe links to each other, the other end of back flow with the coating temporary storage jar links to each other.
2. The battery slurry supply device according to claim 1, further comprising pressure gauges provided on the first filter unit and the second filter unit, the pressure gauges being configured to monitor pressure changes on the first filter unit and the second filter unit.
3. The battery slurry supply apparatus of claim 1, wherein the supply power member is a diaphragm pump.
4. The battery paste feeding device according to claim 1, wherein a discharge port is formed in the bottom of the temporary storage tank, and a manual control valve is arranged at the discharge port.
5. The battery paste feed apparatus as claimed in claim 1, wherein the filter assembly is provided in two, a first filter assembly and a second filter assembly, respectively, each of the first filter assembly and the second filter assembly being connected to the outlet of the feed power member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155557.XU CN220611120U (en) | 2023-08-11 | 2023-08-11 | Battery slurry feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322155557.XU CN220611120U (en) | 2023-08-11 | 2023-08-11 | Battery slurry feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220611120U true CN220611120U (en) | 2024-03-19 |
Family
ID=90212522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322155557.XU Active CN220611120U (en) | 2023-08-11 | 2023-08-11 | Battery slurry feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220611120U (en) |
-
2023
- 2023-08-11 CN CN202322155557.XU patent/CN220611120U/en active Active
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