CN111203370B - Spiral circulation stirring processing integrated system for lithium ion battery slurry - Google Patents
Spiral circulation stirring processing integrated system for lithium ion battery slurry Download PDFInfo
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- CN111203370B CN111203370B CN202010116442.8A CN202010116442A CN111203370B CN 111203370 B CN111203370 B CN 111203370B CN 202010116442 A CN202010116442 A CN 202010116442A CN 111203370 B CN111203370 B CN 111203370B
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- 238000003756 stirring Methods 0.000 title claims abstract description 275
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 217
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 216
- 239000002002 slurry Substances 0.000 title claims abstract description 194
- 238000012545 processing Methods 0.000 title claims abstract description 50
- 239000011248 coating agent Substances 0.000 claims abstract description 59
- 238000000576 coating method Methods 0.000 claims abstract description 59
- 238000003860 storage Methods 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 49
- 238000004140 cleaning Methods 0.000 claims description 36
- 238000010992 reflux Methods 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 18
- 238000001816 cooling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000002245 particle Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000012546 transfer Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F33/831—Devices with consecutive working receptacles, e.g. with two intermeshing tools in one of the receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83612—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by crushing or breaking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a spiral circulation stirring processing integrated system for lithium ion battery slurry, and relates to the technical field of battery processing. The spiral circulation stirring processing integrated system for the lithium ion battery slurry comprises a feeding component, a circulation stirring component and a coating device. The circulation stirring assembly comprises a first spiral stirring device and a second spiral stirring device, and conveying blades for conveying and stirring the lithium ion battery slurry in a spiral mode are arranged in the circulation stirring assembly. The feeding component is connected to the input end of the first spiral stirring device. The output end of the first spiral stirring device is connected with the coating device. The output end of the second spiral stirring device is connected to the input end of the first spiral stirring device, and the input end of the second spiral stirring device is connected to the output end of the first spiral stirring device and used for receiving lithium ion battery slurry led out by the first spiral stirring device. The integrated system for spiral circulation stirring processing of lithium ion battery slurry provided by the invention can sufficiently stir the lithium ion battery slurry uniformly.
Description
Technical Field
The invention relates to the technical field of battery processing, in particular to a spiral circulation stirring processing integrated system for lithium ion battery slurry.
Background
Along with the continuous and severe environmental forms, the survival of human beings is greatly dangerous, especially the global temperature is continuously increased, the whole human beings are knocked off to be alerted, and the main reason is that the consumption of fossil energy is continuously increased, and carbon dioxide and other harmful gases discharged into the air are continuously increased, so that the use of clean new energy to replace fossil energy for reducing the discharge of carbon dioxide and other harmful gases is a necessary way for the development of the whole human beings. The lithium ion battery has the characteristics of high energy density, small self-discharge, no memory effect, wide working voltage range, long service life, no environmental pollution and the like, is the best choice for replacing fossil energy sources for the existing power automobile, and is a hotspot and a direction for development and research of the automobile industry.
The capacity, quality and service life of lithium ion batteries are three perpetual subjects pursued by developing lithium ion batteries, at present, the unstable quality, poor safety performance, short service life and the like of the lithium ion batteries prevent the lithium ion batteries from being applied to the automobile industry, the manufacturing process of the lithium ion batteries is a key factor influencing the quality, service life and safety of the lithium ion batteries, the preparation of lithium ion battery slurry is used as the front-end working procedure of the manufacturing process of the lithium ion batteries, and the subsequent links of the manufacturing of the lithium ion batteries are influenced deeply, so that how to prepare high-quality slurry is a research hot spot of the current lithium ion industry.
The manufacturing process of the lithium ion battery is complex, the influence factors are many, at present, most lithium ion battery manufacturing enterprises do not realize automatic processing on the whole slurry preparation process, the working procedures are discrete, the slurry is easily influenced by impurities, dust and moisture in the environment in the stirring process, finally, the impurities and the dust in the air are brought into the pole piece, and the safety accident of the lithium ion battery can be caused when serious; the stirring dead angle exists in the stirring process, so that the slurry at the individual part of the stirrer cannot be sufficiently stirred, and meanwhile, the slurry cannot be sufficiently stirred, dispersed and uniformly because of the limitation of the stirring mode and stirring strength of the stirrer; in each process of preparing the lithium ion battery slurry, the influence of the environment and each process parameter, the mutual influence among the process parameters and the like are not fully considered.
Therefore, in the preparation process of the lithium ion battery slurry, an integrated system which can fully and uniformly stir the slurry, has a highly clean manufacturing environment, can accurately control various process parameters, is convenient to clean, and can automatically finish clean processing and conveying of the lithium ion battery slurry with high quality is needed.
Disclosure of Invention
The invention aims at providing a spiral circulation stirring processing integrated system for lithium ion battery slurry, which can sufficiently stir the lithium ion battery slurry uniformly, improve the processing efficiency of the lithium ion battery slurry and improve the quality of the lithium ion battery slurry.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a spiral circulation stirring processing integrated system of lithium ion battery slurry, which is used for processing lithium ion battery slurry.
The circulating stirring assembly comprises a first spiral stirring device and a second spiral stirring device, wherein spiral conveying blades are arranged inside the first spiral stirring device and the second spiral stirring device, and are used for conveying and stirring the lithium ion battery slurry in a spiral mode.
The feeding component is connected to the input end of the first spiral stirring device and used for guiding the lithium ion battery slurry into the first spiral stirring device.
The output end of the first spiral stirring device is connected with the coating device, and the coating device is used for receiving the lithium ion battery slurry and conveying the lithium ion battery slurry to a designated position.
The output end of the second spiral stirring device is connected to the input end of the first spiral stirring device and used for leading the lithium ion battery slurry into the first spiral stirring device, and the input end of the second spiral stirring device is connected to the output end of the first spiral stirring device and used for receiving the lithium ion battery slurry led out by the first spiral stirring device.
Optionally, the circulation stirring assembly further comprises a first control switch and a second control switch.
The first control switch is installed between the first spiral stirring device and the coating device and is used for selectively switching on or switching off the first spiral stirring device and the coating device.
The second control switch is arranged between the output end of the first spiral stirring device and the input end of the second spiral stirring device and is used for selectively switching on or switching off the first spiral stirring device and the second spiral stirring device.
Optionally, the second spiral stirring device is a plurality of, and the first spiral stirring device and the plurality of second spiral stirring devices are connected end to form a ring shape.
Optionally, the first helical stirring device comprises a conveying rod, a conveying pipe and a driving device.
The feeding component is connected to one end of the conveying pipe and used for guiding the lithium ion battery slurry into the conveying pipe. The coating device is connected to the other end of the conveying pipe and is used for receiving the lithium ion battery slurry.
The conveying rod is movably arranged inside the conveying pipe, and the conveying blades are arranged on the conveying rod and extend along the spiral line.
The driving device is arranged on the outer side of the conveying pipe, is in transmission connection with the conveying rod and is used for driving the conveying rod to rotate.
Optionally, the first spiral stirring device further comprises a heating tube, wherein the heating tube is arranged in the peripheral wall of the conveying tube, and the heating tube extends along the spiral line.
And/or, the first spiral stirring device further comprises a refrigeration pipe, wherein the refrigeration pipe is arranged in the peripheral wall of the conveying pipe and extends along the spiral line.
Optionally, the feed assembly includes a feed hopper, a seal plate, and a cover plate.
The feeding funnel is connected to the first spiral stirring device and is used for guiding the lithium ion battery slurry into the first spiral stirring device.
The sealing plate is movably mounted at one end of the feeding funnel, which is close to the first spiral stirring device, and can selectively conduct or cut off the feeding funnel and the first spiral stirring device.
The cover plate is movably arranged at one end of the feeding funnel, which is far away from the first spiral stirring device, and can selectively seal or open the feeding funnel.
Optionally, the integrated system for spiral circulation stirring processing of lithium ion battery slurry further comprises a storage component, and the coating device is connected to the first spiral stirring device through the storage component.
The inside of storage subassembly is equipped with storage space, storage space with the inner space intercommunication of first spiral agitating unit and be used for receiving first spiral agitating unit lithium ion battery thick liquids.
The coating device is connected to the storage component and used for guiding the lithium ion battery slurry conveyed inside the storage space to a specified position.
Optionally, the bottom wall of the storage space is inclined and forms a lower end outlet, and the internal channel of the coating device is communicated with the lower end outlet.
Optionally, a filter screen is further arranged in the storage space, and the filter screen is obliquely arranged.
The periphery wall of the storage component is also provided with a through hole, and the through hole is communicated with the storage space and is close to the lower side formed by the inclination of the filter screen.
The integrated system for spiral circulation stirring processing of lithium ion battery slurry further comprises a reflux device, the reflux device comprises a reflux pipe and a reflux pump, one end of the reflux pipe is connected with the storage component through the through hole, the other end of the reflux pipe is connected with the feeding component, and the reflux pump is arranged on the reflux pipe and used for pumping the lithium ion battery slurry in the reflux pipe into the feeding component.
Optionally, the integrated system for spiral circulation stirring processing of lithium ion battery slurry further comprises a cleaning component, wherein the cleaning component comprises a liquid inlet pipe, a liquid outlet pipe and a cleaning control valve.
One end of the liquid inlet pipe is connected with the feeding component, and the other end of the liquid inlet pipe is connected with the cleaning control valve.
One end of the liquid outlet pipe is connected with the coating device, and the other end of the liquid outlet pipe is connected with the cleaning control valve.
The lithium ion battery slurry spiral circulation stirring processing integrated system provided by the invention has the beneficial effects that:
according to the integrated system for spiral circulation stirring processing of lithium ion battery slurry, provided by the invention, the lithium ion battery slurry can be led into the first spiral stirring device through the feeding component, the first spiral stirring device can stir, squeeze and crush the lithium ion battery slurry while conveying the lithium ion battery slurry, the lithium ion battery slurry is conveyed to the second spiral stirring device after being stirred, squeezed and crushed by the first spiral stirring device, the lithium ion battery slurry can be fully stirred, squeezed and crushed by the first spiral stirring device and the second spiral stirring device through the second spiral stirring device, so that the stirring uniformity of the lithium ion battery slurry is ensured, the lithium ion battery slurry is fully refined, and the quality of the lithium ion battery slurry can be improved. When the lithium ion battery slurry is stirred, extruded and crushed properly, the lithium ion battery slurry is conveyed to the coating device through the first spiral stirring device, and then the lithium ion battery slurry can be coated to a designated position through the coating device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an integrated system for spiral circulation stirring processing of lithium ion battery slurry provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of a partial structure of an integrated system for spiral circulation stirring processing of lithium ion battery slurry provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a feed assembly provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a storage component according to an embodiment of the present invention.
Icon: 10-lithium ion battery slurry spiral circulation stirring processing integrated system; 100-feeding assembly; 110-a feed hopper; 120-cover plate; 130-a sealing plate; 200-a circulation stirring assembly; 210-a first helical stirring device; 211-conveying pipes; 212-a conveying rod; 213-conveying blades; 220-a second helical stirring device; 230-a first control switch; 240-a second control switch; 300-a storage component; 310-storage space; 311-a bottom wall; 312-lower outlet; 320-filtering net; 321-through holes; 322-three-position four-way valve; 400-coating device; 410-a catheter adapter; 420-a catheter; 430—a transfer pump; 440-coating head; 500-reflux means; 510-a return pipe; 520-reflux pump; 600-cleaning the assembly; 610-liquid inlet pipe; 620-a liquid outlet pipe; 630-purge control valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1, a system 10 for processing lithium ion battery slurry by spiral circulation stirring is provided in this embodiment, which is used for processing lithium ion battery slurry, and can sufficiently stir lithium ion battery slurry uniformly, so as to improve the processing efficiency of lithium ion battery slurry and improve the quality of lithium ion battery slurry.
The lithium ion battery slurry spiral circulation stirring processing integrated system 10 comprises a feeding assembly 100, a circulation stirring assembly 200 and a coating device 400. Wherein, feeding subassembly 100 is connected on circulation stirring subassembly 200 to feeding subassembly 100 is used for leading-in to circulation stirring subassembly 200 with lithium ion battery thick liquids on, and then carries out the circulated stirring to lithium ion battery thick liquids through circulation stirring subassembly 200, and then improves the stirring degree to lithium ion battery thick liquids, can improve the quality of lithium ion battery thick liquids. The coating device 400 is connected to the rear end of the circulation stirring assembly 200, so that after the circulation stirring assembly 200 stirs the lithium ion battery slurry, the lithium ion battery slurry can be coated to a designated position by the coating device 400, so that the battery can be manufactured by the lithium ion battery slurry.
Further, the circulation stirring assembly 200 includes a first spiral stirring device 210 and a second spiral stirring device 220, and the first spiral stirring device 210 and the second spiral stirring device 220 are provided with spiral conveying blades 213 inside, and the conveying blades 213 are used for conveying and stirring the lithium ion battery slurry in a spiral mode. That is, the first and second spiral stirring devices 210 and 220 can both convey the lithium ion battery slurry through the spiral conveying blades 213, and the conveying blades 213 can stir, squeeze and crush the lithium ion battery slurry while conveying the lithium ion battery slurry, so that the lithium ion battery slurry can be uniformly stirred, and the lithium ion battery slurry is further refined, so that the quality of the lithium ion battery slurry can be improved.
Wherein, optionally, the feeding assembly 100 is connected to an input end of the first spiral stirring apparatus 210, and is used for guiding the lithium ion battery slurry into the first spiral stirring apparatus 210. The output end of the first spiral stirring device 210 is connected to the coating device 400, and the coating device 400 is used for receiving the lithium ion battery slurry and delivering the lithium ion battery slurry to a designated position. It should be noted that, herein, "the output end of the first spiral stirring device 210 is connected to the coating device 400" may be: the first spiral stirring device 210 is directly connected to the coating device 400, or the first spiral stirring device 210 is indirectly connected to the coating device 400, and only the lithium ion battery slurry stirred by the first spiral stirring device 210 is required to be conveyed to the coating device 400. The output end of the second spiral stirring device 220 is connected to the input end of the first spiral stirring device 210 and is used for guiding the lithium ion battery slurry into the first spiral stirring device 210, and the input end of the second spiral stirring device 220 is connected to the output end of the first spiral stirring device 210 and is used for receiving the lithium ion battery slurry guided out by the first spiral stirring device 210.
The feeding assembly 100 guides the lithium ion battery slurry into the first spiral stirring device 210, the first spiral stirring device 210 stir, squeeze and crush the lithium ion battery slurry and transmits the slurry to the second spiral stirring device 220, and then circularly stir, squeeze and crush the lithium ion battery slurry, so as to form circularly stir, squeeze and crush the lithium ion battery slurry, so that the lithium ion battery slurry is sufficiently stirred uniformly and sufficiently refined, and the quality of the lithium ion battery slurry is improved. After the lithium ion battery slurry is uniformly stirred and sufficiently refined, the lithium ion battery slurry can be introduced into the coating device 400 for coating.
It should be noted that, referring to fig. 1 and fig. 2 in combination, the first spiral stirring device 210 and the second spiral stirring device 220 have the same structure, and the structure of the first spiral stirring device 210 is taken as an example for illustration. The first helical stirring device 210 includes a conveying rod 212, a conveying pipe 211, and a driving device. Wherein, the feeding assembly 100 is connected to one end of the conveying pipe 211, and the feeding assembly 100 is used for guiding the lithium ion battery slurry into the conveying pipe 211. The conveying rod 212 is rotatably disposed inside the conveying pipe 211, and the conveying blades 213 are disposed on the conveying rod 212, so that the conveying rod 212 can rotate in the conveying pipe 211 to drive the conveying blades 213 to rotate, and the spiral conveying blades 213 can convey, stir, squeeze and crush the lithium ion battery slurry to ensure the quality of the lithium ion battery slurry. The driving device is installed at the outer side of the conveying pipe 211 and is connected to the conveying rod 212, and then the conveying rod 212 can be driven to rotate through the driving device so as to convey, stir, squeeze and crush the lithium ion battery slurry. Wherein, the conveying blade 213 has a smaller gap with the inner peripheral wall of the conveying pipe 211, so that the conveying blade 213 can squeeze and crush the lithium ion battery slurry together with the inner peripheral wall of the conveying pipe 211 when conveying the lithium ion battery slurry, and further can stir, squeeze and crush the lithium ion battery slurry under the driving of the inner peripheral wall of the conveying pipe 211, the conveying blade 213 and the conveying rod 212, so that the lithium ion battery slurry is uniformly stirred, and is sufficiently refined, so as to improve the quality of the lithium ion battery slurry. In addition, the structure of the second spiral stirring device 220 is the same as that of the first spiral stirring device 210, and will not be described here again.
In addition, optionally, the first helical stirring device 210 further includes a heat pipe disposed in the peripheral wall of the conveying pipe 211 and extending along a spiral line, and/or the first helical stirring device 210 further includes a heat pipe disposed in the peripheral wall of the conveying pipe 211 and extending along a spiral line. Wherein, the heating tube extends along the spiral line means that the heating tube is arranged in the peripheral wall of the conveying tube 211 and is wound around the inner space of the conveying tube 211 along the spiral line; similarly, the extension of the refrigerant tube along the spiral line means that the refrigerant tube is disposed in the peripheral wall of the delivery tube 211 and wound around the inner space of the delivery tube 211 along the spiral line. By providing the heating pipe in the peripheral wall of the conveying pipe 211 of the first spiral stirring device 210, the lithium ion battery slurry in the peripheral wall can be heated by the heating pipe, and further the lithium ion battery slurry can be processed in an environment with an optimal processing temperature, so that the quality of the lithium ion battery slurry can be improved. Similarly, by arranging the cooling pipe in the peripheral wall of the conveying pipe 211 of the first spiral stirring device 210, the temperature of the lithium ion battery slurry in the conveying pipe 211 can be conveniently reduced, the temperature in the conveying pipe 211 can be conveniently controlled at the optimal process temperature, and the quality of the lithium ion battery slurry is improved. When the lithium ion battery slurry is conveyed by the conveying blade 213, friction is generated between the lithium ion battery slurry and the conveying rod 212, between the conveying blade 213 and the conveying pipe 211, and a large amount of heat is generated, and at this time, the redundant heat can be absorbed by the refrigerating pipe, so that the processing environment temperature of the lithium ion battery slurry can be controlled at the optimal process temperature. Wherein and/or meaning that only a heating pipe is provided in the circumferential wall of the conveying pipe 211 of the first helical stirring device 210, or only a cooling pipe is provided in the inner circumferential wall of the conveying pipe 211 of the first helical stirring device 210, or a heating pipe and a cooling pipe are provided in the circumferential wall of the conveying pipe 211 of the first helical stirring device 210, wherein when the heating pipe and the cooling pipe are simultaneously provided in the inner circumferential wall of the conveying pipe 211, the heating pipe and the cooling pipe are provided at intervals.
Further, in the present embodiment, a temperature sensor (not shown) may be further provided in the first screw stirring device 210, and the temperature sensor is used to detect the ambient temperature in the first screw stirring device 210. In addition, a control device (not shown) may be further disposed, where the heating tube, the cooling tube and the temperature sensor are all electrically connected to the control device, and the control device may receive the temperature signal detected by the temperature sensor, and control the operation of the heating tube and the cooling tube through the temperature signal, so as to control the temperature in the first spiral stirring device 210 at the optimal process temperature of the lithium ion battery slurry, and further improve the processing quality of the lithium ion battery slurry.
It should be noted that, the peripheral wall of the conveying pipe 211 of the second spiral stirring device 220 is also provided with a heating pipe, and the heating pipe extends along the spiral line; and/or, a cooling pipe is provided in the peripheral wall of the conveying pipe 211 of the second helical stirring device 220, and the cooling pipe extends along the helical line. Of course, a temperature sensor may likewise be provided in the second helical stirring device 220 and electrically connected to the control device.
Further, in the present embodiment, the circulation stirring assembly 200 further includes a first control switch 230 and a second control switch 240. The first control switch 230 is installed between the first screw stirring device 210 and the coating device 400, and serves to selectively turn on or off the first screw stirring device 210 and the coating device 400. The second control switch 240 is installed between the output terminal of the first and second screw stirring devices 210 and 220, and serves to selectively turn on or off the first and second screw stirring devices 210 and 220.
When the lithium ion battery slurry needs to be fully stirred and extruded, the first control switch 230 may be controlled to be turned off, and the second control switch 240 may be controlled to be turned on, so that the lithium ion battery slurry cannot be conveyed from the first spiral stirring device 210 to the coating device 400, and the lithium ion battery slurry is circularly conveyed and stirred between the first spiral stirring device 210 and the second spiral stirring device 220, and extruded and crushed at the same time. After the lithium ion battery slurry is sufficiently stirred, extruded and crushed, the first control switch 230 is turned on, and the second control switch 240 is turned off, so that the lithium ion battery slurry can be conveyed from the first spiral stirring device 210 to the coating device 400, and simultaneously, the channel from the first spiral stirring device 210 to the second spiral stirring device 220 can be turned off, and the continuous circulation of the lithium ion battery slurry can be stopped, so that the stirring of the lithium ion battery slurry is completed.
In addition, in the present embodiment, optionally, the second spiral stirring device 220 is multiple, and the first spiral stirring device 210 and the multiple second spiral stirring devices 220 are connected end to form a ring shape. The lithium ion battery slurry can be stirred, extruded and crushed by the plurality of second spiral stirring devices 220, so that the material of the lithium ion battery slurry which is processed at one time can be improved, and the processing efficiency of the lithium ion battery slurry is further improved. The lithium ion battery slurry conveyed by the first spiral stirring device 210 can be conveyed to the second spiral stirring device 220 connected with the first spiral stirring device, and after being stirred, extruded and crushed by the plurality of second spiral stirring devices 220, the lithium ion battery slurry can return to the first spiral stirring device 210, and the number of times of circulating the lithium ion battery slurry in the circulating stirring assembly 200 can be reduced by arranging the plurality of second spiral stirring devices 220, so that the processing efficiency can be improved. In the figures, three second helical stirring devices 220 are employed, it being understood that in other embodiments, the second helical stirring devices 220 may be two or four, etc.
Of course, the second spiral stirring device 220 may be one, and at this time, the first positions of the first spiral stirring device 210 and the second spiral stirring device 220 may be connected through a conveying pipe to form a ring shape, so that installation and placement of the first spiral stirring device 210 and the second spiral stirring device 220 can be facilitated.
Referring to fig. 1 and 3 in combination, the feed assembly 100 includes a feed hopper 110, a sealing plate 130, and a cover plate 120. The feed hopper 110 is connected to the first screw stirring device 210 and is used to introduce lithium ion battery slurry into the first screw stirring device 210. The feed hopper 110 is installed at one end of the transfer pipe 211 of the first screw stirring device 210, and serves to introduce lithium ion battery paste into the interior of the transfer pipe 211. The feed hopper 110 is flared, so that lithium ion battery slurry is conveniently introduced into the feed hopper 110. The sealing plate 130 is movably installed at one end of the feed hopper 110 near the first screw stirring device 210, and can selectively turn on or off the feed hopper 110 and the first screw stirring device 210. I.e., the passage between the feed hopper 110 and the first helical stirring device 210 can be blocked by the sealing plate 130 so that the inner space of the feed hopper 110 is separated from the inner space of the transfer pipe 211. Alternatively, the sealing plate 130 can also open the feed hopper 110 such that the inner space of the feed hopper 110 and the inner space of the transfer pipe 211 communicate with each other, so that the lithium ion battery paste in the feed hopper 110 can be introduced into the interior of the transfer pipe 211. The cover plate 120 is movably installed at an end of the feed hopper 110 remote from the first screw stirring device 210, and can selectively seal or open the feed hopper 110. In the present embodiment, the cover 120 is provided with an air inlet valve and an air outlet valve, and air can be introduced into the feed hopper 110 through the air inlet valve and air in the feed hopper 110 can be discharged through the air outlet valve.
In this embodiment, when the lithium ion battery slurry is introduced into the integrated system 10 for spiral circulation stirring processing of the lithium ion battery slurry, the passage between the feed hopper 110 and the first spiral stirring device 210 is closed by the sealing plate 130, then a proper amount of the lithium ion battery slurry is introduced into the feed hopper 110, then the cover plate 120 is closed, and the air in the feed hopper 110 is extracted by the vacuum extractor, so that the lithium ion battery slurry can be isolated from the air. After the evacuation is completed, the sealing plate 130 is opened, so that the lithium ion battery slurry can be introduced into the first screw stirring device 210, and further, the processing of the lithium ion battery slurry can be started. At the moment, the contact between the air and the lithium ion battery slurry can be reduced, so that the oxidation loss of the lithium ion battery slurry is reduced, and the quality of the lithium ion battery slurry can be improved.
In addition, referring to fig. 1 and 4 in combination, in the present embodiment, the integrated system 10 for processing lithium ion battery slurry by spiral circulation stirring further includes a storage component 300, and the coating device 400 is connected to the first spiral stirring device 210 through the storage component 300. That is, the output end of the first spiral stirring device 210 is connected to the storage device, and thus the lithium ion battery slurry can be introduced into the storage device through the first spiral stirring device 210. The storage assembly 300 is provided with a storage space 310 inside, the storage space 310 is communicated with the inner space of the first spiral stirring device 210 and is used for receiving the lithium ion battery slurry of the first spiral stirring device 210, and the storage space 310 is used for storing the lithium ion battery slurry. The coating device 400 is connected to the storage assembly 300 and serves to guide the transport lithium ion battery paste inside the storage space 310 to a designated location. That is, the storage assembly 300 can guide the lithium ion battery paste in the storage space 310 to the coating apparatus 400, so that the lithium ion battery paste can be guided to a designated position by the coating apparatus 400 to facilitate the fabrication of the lithium ion battery.
Wherein, the bottom wall 311 of the storage space 310 is inclined and forms a lower outlet 312, and the internal channel of the coating device 400 is communicated with the lower outlet 312. The lower outlet 312 is located at a lower side of the storage space 310 where the bottom wall 311 is inclined, so that the lithium ion battery slurry on the bottom wall 311 can move to the lower outlet 312 along the bottom wall 311 to be led out from the lower outlet 312. Further, the coating device 400 is connected to the lower outlet 312, so that the lithium ion battery paste can be conveniently guided to a designated position.
Further, a filter screen 320 is further disposed in the storage space 310, and the filter screen 320 is disposed obliquely. The filter screen 320 can be used to filter the lithium ion battery slurry and filter out larger particles in the lithium ion battery slurry. And, the peripheral wall of the storage assembly 300 is further provided with a through hole 321, and the through hole 321 is communicated with the storage space 310 and is disposed near the lower side formed by the inclined filter screen 320. And thus, large particles filtered out through the filter screen 320 can be guided out of the through hole 321. The integrated system 10 for spiral circulation and stirring processing of lithium ion battery slurry further comprises a reflux device 500, wherein the reflux device 500 comprises a reflux tube 510 and a reflux pump 520, one end of the reflux tube 510 is connected with the storage component 300 through a through hole 321, the other end of the reflux tube is connected with the feeding component 100, and the reflux pump 520 is arranged on the reflux tube 510 and is used for pumping lithium ion battery slurry in the reflux tube 510 into the feeding component 100. The large-particle lithium ion battery slurry guided out through the through hole 321 is guided into the feeding assembly 100 through the return pipe 510 and is guided into the first spiral stirring device 210 through the feeding assembly 100, so that the large-particle lithium ion battery slurry can be stirred, extruded and crushed again, and the quality of the lithium ion battery slurry can be improved. It should be noted that, in the present embodiment, the inclination direction of the filter screen 320 is different from the inclination direction of the bottom wall 311 of the storage assembly 300, so that the lower side formed by the inclination of the filter screen 320 and the lower side formed by the inclination of the bottom wall 311 of the storage device are not on the same side of the storage assembly 300, so as to facilitate the arrangement of the coating device 400 and the reflow device 500, and avoid the interaction of the coating device 400 and the reflow device 500.
The coating apparatus 400 includes a conduit coupler 410, a conduit 420, a transfer pump 430, and a coating head 440. Wherein the conduit coupler 410 is connected to the storage assembly 300 through the lower outlet 312, and is further capable of receiving the lithium ion battery slurry outputted from the lower outlet 312. One end of the conduit 420 is connected to the conduit coupler 410, the other end is connected to the transfer pump 430, the transfer pump 430 is connected to the coating head 440, and the transfer pump 430 can pump out the lithium ion battery paste in the conduit coupler 410 through the conduit 420 and coat the lithium ion battery paste at a designated position through the coating head 440.
Optionally, in this embodiment, the coating apparatus 400 further includes a discharge baffle movably installed at the outer side of the storage assembly 300, and the discharge baffle can selectively extend into the inside of the conduit joint 410, thereby intercepting the internal channel of the conduit joint 410, so that the lithium ion battery slurry in the storage space 310 cannot be led out; alternatively, the conduit coupler 410 can be opened to communicate the internal passage of the conduit coupler 410 with the storage space 310. In addition, an electric push rod for driving the discharge damper to selectively close the duct joint 410 or open the duct joint 410 is provided at the outside of the storage assembly 300. Of course, the electric push rod can be replaced by other modes, such as an electric motor or a hand pull rod.
In addition, the lithium ion battery slurry spiral circulation stirring processing integrated system 10 further comprises a cleaning assembly 600, wherein the cleaning assembly 600 comprises a liquid inlet pipe 610, a liquid outlet pipe 620 and a cleaning control valve 630. The feed pipe 610 has one end connected to the feed assembly 100 and the other end connected to the purge control valve 630. One end of the liquid outlet pipe 620 is connected to the coating device 400, and the other end is connected to the purge control valve 630. In this embodiment, one end of the liquid inlet pipe 610 is connected to the return pump 520, and is further communicated with the return pipe 510 through the return pump 520, so that the liquid inlet pipe 610 can guide the cleaning liquid into the return pipe 510 through the action of the return pump 520, and then into the feeding assembly 100 through the return pipe 510. One end of the liquid outlet pipe 620 is connected to the coating device 400, and the other end is connected to the cleaning control valve 630, wherein one end of the liquid outlet pipe 620 is connected to the pipe joint 410, so that the cleaning liquid can be led out through the liquid outlet pipe 620 when flowing to the pipe joint 410. The cleaning control valve 630 can be used for controlling the opening and closing of the liquid inlet pipe 610 and the liquid outlet pipe 620, i.e. the opening of the liquid inlet pipe 610 can be controlled by the cleaning control valve 630, and then cleaning liquid can be introduced into the feeding assembly 100 through the liquid inlet pipe 610, and after entering the feeding assembly 100, the cleaning liquid can flow along the feeding assembly 100, the first spiral stirring device 210, the storage assembly 300 and the coating device 400 in sequence, and also part of the cleaning liquid can flow into the return pipe 510, of course, the cleaning liquid can also be controlled by the first control switch 230 and the second control switch 240 to circulate in the first spiral stirring device 210 and the second spiral stirring device 220, so as to clean the first spiral stirring device 210 and the second spiral stirring device 220, thereby completing the cleaning of the lithium ion battery slurry spiral circulation stirring processing integrated system 10. And the cleaning liquid flowing into the conduit coupler 410 is led out through the cleaning control valve 630 to the liquid outlet pipe 620.
It should be noted that the storage assembly 300 may further be provided with a heating tube, a cooling tube, a temperature sensor and a control device, and the heating tube, the cooling tube, the temperature sensor and the control device in the storage assembly 300 are the same as the heating tube, the cooling tube, the temperature sensor and the control device in the first spiral stirring device 210, and the operation principle is not repeated here.
Further, in the present embodiment, the storage assembly 300 further includes a three-position four-way valve 322, through-hole 321, return pipe 510, liquid inlet pipe 610 and liquid outlet pipe 620 are respectively connected to four ports of the three-position four-way valve 322, wherein the through-hole 321 is connected to one port of the three-position four-way valve 322 through a conduit. The three-position four-way valve 322 has three working states, wherein when the three-position four-way valve 322 is opened in the first working state, at this time, the three-position four-way valve 322 is communicated with the through hole 321 and the return pipe 510, so that the large-particle lithium ion battery slurry filtered by the filter screen 320 can be led into the return pipe 510 and pumped into the feeding assembly 100 under the action of the return pump 520, and the large-particle lithium ion battery slurry is repeatedly stirred, extruded, crushed and the like; when the three-position four-way valve 322 is in the second working state, the liquid inlet pipe 610, the return pipe 510 and the through hole 321 are conducted, and the cleaning liquid can be introduced into the return pipe 510 through the liquid inlet pipe 610 and pumped into the feeding assembly 100 through the action of the return pump 520, so that the cleaning liquid can be circularly cleaned in the first spiral stirring device 210 and the second spiral stirring device 220, and then is introduced into the storage assembly 300 to clean the storage assembly 300. When the cleaning solution enters the storage assembly 300, part of the cleaning solution can be guided into the return pipe 510 again through the through hole 321, and simultaneously, part of the cleaning solution drives the large particles to return to the feeding assembly 100 again, and then enters the first and second spiral stirring devices 210 and 220 to be repeatedly stirred, and simultaneously, the first and second spiral stirring devices 210 and 220 and the storage assembly 300 are repeatedly cleaned. When the three-position four-way valve 322 is opened in the third working state, the three-position four-way valve 322 is connected with the liquid outlet pipe 620 and the through hole 321, at this time, the residual part of the filter screen 320 cannot be stirred and broken for a plurality of times, and the residual aggregates, large particle clusters, impurities and the like can be led into the liquid outlet pipe 620 through the through hole 321 and can be led out through the liquid outlet pipe 620, so that the cleaning of the lithium ion battery slurry spiral circulation stirring processing integrated system 10 is ensured. Through the control function of the three-position four-way valve 322, the cleaning assembly 600 can clean the feeding assembly 100, the first spiral stirring device 210, the second spiral stirring device 220, the storage assembly 300, the filter screen 320 and the like, thereby improving the cleaning degree of the lithium ion battery slurry spiral circulation stirring processing integrated system 10. It will be appreciated that in other embodiments, one or more of the storage assembly 300, the reflow apparatus 500, and the cleaning assembly 600 may be eliminated.
The working mode of the lithium ion battery slurry spiral circulation stirring processing integrated system 10 provided in this embodiment is as follows: the internal passage of the duct joint 410 is blocked by the discharge baffle, and the inside of the feed hopper 110 is vacuumized while the cover plate 120 is closed, after the vacuumization is completed, the passage between the first screw stirring device 210 and the feed hopper 110 is blocked by the sealing plate 130, so that the feed hopper 110 is isolated from the first screw stirring device 210, the cover plate 120 is opened, and a proper amount of lithium ion battery paste is added into the feed hopper 110. After an appropriate amount of lithium ion battery paste is added, the cap plate 120 is covered and the feed hopper 110 is again vacuumized. After the vacuuming process is completed, the sealing plate 130 is opened so that the charging hopper 110 introduces the lithium ion battery slurry into the first screw stirring device 210 to perform transportation stirring extrusion and crushing of the lithium ion battery slurry. At this time, circulation of the lithium ion battery slurry in the first and second screw stirring devices 210 and 220 is achieved by controlling the first and second control switches 230 and 240 so that the lithium ion battery slurry can be sufficiently stirred, extruded and crushed. After the lithium ion battery slurry is stirred, extruded and crushed, the lithium ion battery slurry is introduced into the storage assembly 300 by controlling the first control switch 230 and the second control switch 240 to filter the lithium ion battery slurry, and the filtered large-particle lithium ion battery slurry is introduced into the feeding assembly 100 through the reflow apparatus 500 to stir, extrude and crush the large-particle lithium ion battery slurry again. The filtered lithium ion battery paste can be coated to a designated location by the coating apparatus 400 to facilitate the fabrication of a battery. After the stirring of the lithium ion battery slurry is completed, the cleaning assembly 600 is used for introducing a cleaning liquid to clean the lithium ion battery slurry spiral circulation stirring processing integrated system 10.
In summary, the integrated system 10 for spiral circulation stirring processing of lithium ion battery slurry provided in this embodiment can introduce the lithium ion battery slurry into the first spiral stirring device 210 through the feeding component 100, the first spiral stirring device 210 can stir, squeeze and crush the lithium ion battery slurry while conveying the lithium ion battery slurry, and convey the lithium ion battery slurry to the second spiral stirring device 220 after stirring, extrusion and crushing the lithium ion battery slurry by the first spiral stirring device 210, and further stir, squeeze and crush the lithium ion battery slurry by the second spiral stirring device 220, and fully stir, squeeze and crush the lithium ion battery slurry by the first spiral stirring device 210 and the second spiral stirring device 220 in the above manner, so as to ensure that the lithium ion battery slurry is uniformly stirred, fully refined, and improve the quality of the lithium ion battery slurry. When the lithium ion battery slurry is stirred, extruded and crushed appropriately, the lithium ion battery slurry is transferred to the coating device 400 by the first screw stirring device 210, and then the lithium ion battery slurry can be coated to a designated position by the coating device 400.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The integrated system for processing the lithium ion battery slurry by spiral circulation stirring is characterized by comprising a feeding component, a circulation stirring component and a coating device;
the circulating stirring assembly comprises a first spiral stirring device and a second spiral stirring device, wherein spiral conveying blades are arranged in the first spiral stirring device and the second spiral stirring device, and are used for conveying and stirring the lithium ion battery slurry in a spiral mode;
the feeding component is connected to the input end of the first spiral stirring device and is used for guiding the lithium ion battery slurry into the first spiral stirring device;
the output end of the first spiral stirring device is connected with the coating device, and the coating device is used for receiving the lithium ion battery slurry and conveying the lithium ion battery slurry to a designated position;
the output end of the second spiral stirring device is connected to the input end of the first spiral stirring device and used for leading the lithium ion battery slurry into the first spiral stirring device, and the input end of the second spiral stirring device is connected to the output end of the first spiral stirring device and used for receiving the lithium ion battery slurry led out by the first spiral stirring device.
2. The integrated system of claim 1, wherein the circulation stirring assembly further comprises a first control switch and a second control switch;
the first control switch is arranged between the first spiral stirring device and the coating device and is used for selectively switching on or switching off the first spiral stirring device and the coating device;
the second control switch is arranged between the output end of the first spiral stirring device and the input end of the second spiral stirring device and is used for selectively switching on or switching off the first spiral stirring device and the second spiral stirring device.
3. The integrated system for spiral circulation stirring processing of lithium ion battery slurry according to claim 1, wherein the number of the second spiral stirring devices is plural, and the first spiral stirring device and the second spiral stirring devices are connected end to form a ring shape.
4. The integrated system for spiral circulation stirring processing of lithium ion battery slurry according to claim 1, wherein the first spiral stirring device comprises a conveying rod, a conveying pipe and a driving device;
The feeding component is connected to one end of the conveying pipe and is used for guiding the lithium ion battery slurry into the conveying pipe; the coating device is connected to the other end of the conveying pipe and is used for receiving the lithium ion battery slurry;
the conveying rod is movably arranged in the conveying pipe, and the conveying blades are arranged on the conveying rod and extend along the spiral line;
the driving device is arranged on the outer side of the conveying pipe, is in transmission connection with the conveying rod and is used for driving the conveying rod to rotate.
5. The integrated system of claim 4, wherein the first spiral stirring device further comprises a heat pipe disposed within a peripheral wall of the delivery pipe and extending along a spiral line;
and/or, the first spiral stirring device further comprises a refrigeration pipe, wherein the refrigeration pipe is arranged in the peripheral wall of the conveying pipe and extends along the spiral line.
6. The integrated lithium ion battery slurry spiral circulation agitation processing system of any one of claims 1-5, wherein said feed assembly comprises a feed hopper, a seal plate, and a cover plate;
The feeding hopper is connected with the first spiral stirring device and is used for guiding the lithium ion battery slurry into the first spiral stirring device;
the sealing plate is movably arranged at one end of the feeding funnel, which is close to the first spiral stirring device, and can selectively conduct or cut off the feeding funnel and the first spiral stirring device;
the cover plate is movably arranged at one end of the feeding funnel, which is far away from the first spiral stirring device, and can selectively seal or open the feeding funnel.
7. The integrated lithium ion battery slurry spiral circulation stirring processing system of any one of claims 1-5, further comprising a storage component, wherein the coating device is connected to the first spiral stirring device through the storage component;
the storage space is communicated with the inner space of the first spiral stirring device and is used for receiving the lithium ion battery slurry of the first spiral stirring device;
the coating device is connected to the storage component and used for guiding the lithium ion battery slurry conveyed inside the storage space to a specified position.
8. The integrated system of claim 7, wherein the bottom wall of the storage space is sloped and forms a lower outlet, and the interior channel of the coating device is in communication with the lower outlet.
9. The integrated system for spiral circulation stirring processing of lithium ion battery slurry according to claim 7, wherein a filter screen is further arranged in the storage space, and the filter screen is obliquely arranged;
the peripheral wall of the storage component is also provided with a through hole which is communicated with the storage space and is arranged close to the lower side formed by the inclination of the filter screen;
the integrated system for spiral circulation stirring processing of lithium ion battery slurry further comprises a reflux device, the reflux device comprises a reflux pipe and a reflux pump, one end of the reflux pipe is connected with the storage component through the through hole, the other end of the reflux pipe is connected with the feeding component, and the reflux pump is arranged on the reflux pipe and used for pumping the lithium ion battery slurry in the reflux pipe into the feeding component.
10. The integrated lithium ion battery slurry spiral circulation stirring processing system of any one of claims 1-5, further comprising a cleaning assembly comprising a liquid inlet pipe, a liquid outlet pipe, and a cleaning control valve;
One end of the liquid inlet pipe is connected with the feeding component, and the other end of the liquid inlet pipe is connected with the cleaning control valve;
one end of the liquid outlet pipe is connected with the coating device, and the other end of the liquid outlet pipe is connected with the cleaning control valve.
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