CN212549191U - Slurry stirring device - Google Patents
Slurry stirring device Download PDFInfo
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- CN212549191U CN212549191U CN202020959720.1U CN202020959720U CN212549191U CN 212549191 U CN212549191 U CN 212549191U CN 202020959720 U CN202020959720 U CN 202020959720U CN 212549191 U CN212549191 U CN 212549191U
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Abstract
The utility model discloses a thick liquids agitating unit belongs to battery coating sampling equipment technical field. The stirring device comprises a shell, a stirring paddle and a top cover, wherein the center of the shell is a cavity, the stirring paddle is arranged in the cavity, the top cover is arranged at the upper end of the shell, and the inner wall of the cavity in the center of the shell and the stirring paddle are coated with a super-hydrophobic and oleophobic nano coating; the slurry adhesion in the pulping process can be reduced, and the residue is reduced.
Description
Technical Field
The utility model belongs to the technical field of thick liquids agitated vessel, more specifically say, relate to a thick liquids agitating unit.
Background
Pulping is an important step in the production process of lithium batteries, the performance of the positive and negative electrode slurry directly influences the performance of the lithium batteries, and most of the determining factors of the quality of the batteries are the slurry. Therefore, the quality of the slurry dispersion of the slurry directly affects the quality of lithium ion battery production and the performance of the product, and the quality of the slurry dispersion and the efficiency of the pulping process mainly depend on the mixed pulping process. The pulping is generally that dry powder mixing is carried out on a binder, a conductive agent and a positive electrode material, then semi-dry mud kneading is carried out, and finally dilution and dispersion are carried out. All the steps need to be stirred and mixed in a stirring tank, and a proper stirring tank can be beneficial to slurry dispersion and can improve the production efficiency.
The existing stirring tank can splash to the tank wall in four directions in the stirring process, part of the slurry can be remained on the stirring paddle, and in addition, the slurry can be settled in the stirring process, so that dry powder is not wetted or the slurry is not uniformly dispersed when the slurry is kneaded, and the manual scraping operation needs to be stopped for multiple times. The residue of the manual scraping is generated, and a large amount of heat is generated in the stirring process. If the stirring time is longer, these thick liquids that remain on stirring rake and jar internal wall can become dry powder in the thick liquids stirring process, if fall into the good thick liquids of dispersion, can influence the thick liquids dispersion, the serious marking off, large granule scheduling problem appear when can making the coating, influence product quality and qualification rate, increase production time moreover. In addition, when the slurry is discharged, partial slurry is remained on the stirring paddle and the inner wall of the tank body and cannot be discharged completely, so that more waste is caused, and the production cost is increased.
The Chinese patent application numbers are: 201710164791.5, publication date is: 2017-05-17, which comprises a tank body; the tank body is provided with a motor, a feed port, a gear track, a discharge port and a support frame, and is a cylinder; the motor is arranged in the middle of the top of the tank body; the gear track is arranged above the feeding port in the tank body, and the gear teeth, the first rotating wheel, the second rotating wheel and the third rotating wheel are arranged in the gear track; the first rotating wheel is provided with a first stirring shaft, gear teeth and a shaft hole; the third gear is provided with a third stirring shaft, a shaft hole, a fixing bolt, an upper shaft cover, gear teeth and a lower shaft cover, and the gear teeth on the third gear are matched with the gear teeth of the first gear and the second gear. The bottom, the middle and the upper part of the material in the tank body can be simultaneously stirred by the stirring blades, so that the stirring is more uniform and sufficient, and the upper shaft cover is easier to install; but the problem of slurry inner wall residue cannot be solved.
The Chinese patent application numbers are: 201621480137.2, the announcement date is: 2017-09-19, which comprises a stirring turntable, a stirring tank shell, a fixed rod, a scraper I, a clamping rod, a scraper II and a feeding channel fixed on the stirring tank shell, wherein the fixed rod and the scraper I are L-shaped, an L-shaped bent part at the lower end of the fixed rod is tightly attached to the bottom of the stirring turntable, and the upper end of the fixed rod is tightly attached to the L-shaped bent part of the scraper I; the scraper II is in a barb shape, and the lower end of the scraper II clamps the clamping rod and the side wall of the stirring tank shell and is fixed with the outer side of the side wall. It rotates the stirring carousel through installing dead lever and scraper blade I and clamping bar and scraper blade II respectively, can do cleaning to agitator tank shells inner wall and stirring carousel lateral wall respectively.
Disclosure of Invention
1. Problems to be solved
To current thick liquids stirring in-process, thick liquids are easily remained in the problem of agitating unit inner wall, the utility model provides a thick liquids agitating unit can reduce the thick liquids adhesion of slurrying in-process, reduces and remains.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model discloses a thick liquids agitating unit, including casing, stirring rake and top cap, the centre of the shell is the cavity, and the cavity embeds there is the stirring rake, the casing upper end is arranged in to the top cap, central cavity inner wall of casing and stirring rake scribble super hydrophobic oleophobic nanometer coating.
As a further possible implementation scheme of the utility model, the built-in cooling layer of casing, cooling layer one end sets up the cooling import, and the other end sets up the cooling export.
As a further possible implementation of the present invention, the bottom of the housing is provided with a slurry outlet.
As a further possible implementation of the present invention, the top cover is provided with a high-pressure interface.
As a further possible implementation scheme of the utility model, the stirring rake is put with top cap central point and is met, the high pressure interface uses the stirring rake to be equilateral triangle distribution on the top cap top as the center.
As a further possible implementation of the present invention, the top cover is further provided with a vacuum interface.
As a further possible implementation scheme of the present invention, the top cover is provided with a cathode steel needle, and the housing is provided with an anode body.
As a further possible embodiment of the invention, the anode body is arranged at the bottom of the housing and is connected to the housing.
As a further possible embodiment of the invention, the anode body is the entire housing.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a slurry stirring device, in the slurrying process, to wet process homogenate, can use aqueous or oily raw materials, set up super hydrophobic oleophobic nanometer coating on the surface of stirring rake and the shells inner wall, can reduce slurry adhesion in the slurrying process on shells inner wall and stirring rake, reduce and remain, and the slurry of adhesion also is handled comparatively easily, optimizes the production process;
(2) the utility model discloses a slurry stirring device, the casing embeds the cooling layer, can add coolant liquid or water in the cooling layer, can absorb the heat that the stirring process produced, the upper end and the lower extreme of cooling layer set up cooling inlet and cooling outlet respectively, can adjust cooling inlet and cooling outlet according to the needs of use, when the heat that needs to absorb is more, can set up upper portion as cooling inlet, the lower part sets up cooling outlet, because of the reason of gravity, water or coolant liquid more can flow with faster velocity of flow, faster velocity of flow can accelerate thermal transmission;
(3) the utility model discloses a slurry stirring device, set up the thick liquids outlet in the bottom of casing, accomplish the stirring at thick liquids, open the thick liquids outlet of bottom, the thick liquids directly flows out, the stirring device need not to empty, saves artifically;
(4) the utility model discloses a slurry stirring device, the top cap is provided with a high pressure interface, the high pressure interface is controlled by the solenoid valve, the glue solution can be controlled by the solenoid valve to be sprayed into the tank through the high pressure interface, the slurry remained on the inner wall of the shell and on the stirring paddle can be cleaned, the scraping time can be effectively reduced, and the influence on the slurry quality due to the manual scraping residue is reduced;
(5) the high-pressure interfaces are symmetrically arranged on the top cover, so that glue can uniformly reach the inside of the tank, and the residual effect is better for removing;
(6) the utility model discloses a slurry stirring device, through the evacuation interface, in the stirring process of the stirring device, the bubbles generated by stirring can be removed, and the quality of the whole slurry is better;
(7) the utility model discloses a thick liquids agitating unit, lithium electricity homogenate process is at first to carry out the dry powder stirring, then add the glue solution again, mediate, but generally need scrape the material after the dry powder stirring finishes, because the dry powder stirring leads to a large amount of powders to float in the agitating unit jar, if scrape the material at once, these powders can float to the air in the jar, cause the injury to producers 'health, through set up negative pole steel needle on the top cap, with whole casing or set up the positive pole bottom the casing, constitute electrostatic precipitator, the dry powder in the jar subsides to the positive pole gathering, electrostatic precipitator only finishes the dry powder stirring and scrapes work during the material to opening the jar, other time outage, guarantee personnel's safety, wherein negative pole steel needle and agitator tank all need keep insulating with the agitator cap junction, can not form the circuit path.
Drawings
Fig. 1 is a schematic sectional structure view of an embodiment 1 of a slurry stirring apparatus of the present invention;
fig. 2 is a schematic structural view of a top surface of a top cover of embodiment 1 of the slurry stirring apparatus of the present invention.
In the drawings: 1. a housing; 2. a cooling layer; 3. a cooling inlet; 4. a cooling outlet; 5. a slurry outlet; 6. a stirring paddle; 7. a top cover; 8. a high-voltage interface; 9. vacuumizing the interface; 10. a cathode steel needle; 11. an anode body.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1
As shown in fig. 1 and 2, a slurry stirring apparatus of the present embodiment includes a housing 1, a stirring paddle 6, and a top cover 7. Set up top cap 7 on the casing 1, casing 1 center is the cavity, can carry out the stirring of thick liquids in the cavity, and stirring rake 6 meets with top cap 7 top, carries out stirring work in casing 1's cavity. The inner wall of the central cavity of the shell 1 and the stirring paddle 6 are coated with a super-hydrophobic and oleophobic nano coating which can be purchased conventionally on the market. In the slurrying process, to the wet process homogenate, can make with aqueous or oily raw materials, set up super hydrophobic oleophobic nanometer coating on the surface of stirring rake 6 and 1 inner wall of casing, can reduce slurrying in-process thick liquids adhesion on 1 inner wall of casing and stirring rake 6, reduce and remain, and the thick liquids of adhesion also handles the optimization production process comparatively easily.
The top ends of the cooling layer 2 and the cooling layer 2 in the shell 1 are provided with a cooling inlet 3, and the bottom end is provided with a cooling outlet 4. Casing 1 embeds cooling layer 2, coolant liquid or water can be added in cooling layer 2, can absorb the heat that the stirring process produced, cooling layer 2's upper end and lower extreme set up cooling inlet 3 and cooling outlet 4 respectively, can adjust cooling inlet 3 and cooling outlet 4 according to the needs of use, it is more when the absorptive heat of needs, can set up upper portion into cooling inlet 3, the lower part sets up cooling outlet 4, because the reason of gravity, water or coolant liquid more enough flow with faster velocity of flow, faster velocity of flow can accelerate thermal transmission. The bottom of the shell 1 is provided with a slurry outlet 5. Set up thick liquids export 5 in the bottom of casing 1, accomplish the stirring at thick liquids, open the thick liquids export 5 of bottom, thick liquids directly flow, and agitating unit need not to empty, saves the manual work.
As shown in fig. 2, the top cover 7 is provided with a high voltage interface 8, a vacuum interface and a cathode steel needle 10. The high-pressure interfaces 8 are distributed on the top end of the top cover 7 in an equilateral triangle by taking the stirring paddle 6 as a center. Set up high pressure interface 8 on the top cap 7, high pressure interface 8 is controlled by the solenoid valve, and accessible solenoid valve control glue solution spouts into the jar through high pressure interface 8 in, can wash the thick liquids that remain on 1 inner wall of casing and stirring rake 6, can effectively reduce the scraping time, reduces because the influence of manual scraping material residue to thick liquids quality. High pressure interface 8 symmetry setting on top cap 7 can the glue solution can evenly reach in the jar, and is better to cleaing away remaining effect. Through evacuation interface 9, at the in-process that agitating unit stirred, can get rid of the bubble that the stirring produced, the quality of whole thick liquids is better.
Lithium electricity homogenate process is at first to carry out the dry powder stirring, then add the glue solution, knead, but the material generally need be scraped after the dry powder stirring is ended, because the dry powder stirring leads to a large amount of powders to float in agitating unit jar, if scrape the material at once, these powders can float to the air in the jar, cause the injury to the producers health, through set up negative pole steel needle 10 on top cap 7, with whole casing 1 or set up the positive pole in casing 1 bottom, constitute electrostatic precipitator, the dry powder in the jar subsides to the positive pole gathering, electrostatic precipitator only finishes to opening jar and scrapes work during the material at the dry powder stirring, other time outage, guarantee personnel's safety, wherein negative pole steel needle 10 and agitator tank all need keep insulating with agitator cap junction, can not form circuit path. In the anode body 11 of this embodiment, as shown in fig. 1, in order to set an annular anode sheet on the bottom surface inside the casing 1, after the dry powder is stirred, the cathode steel needle 10 and the anode body 11 are electrified to settle the dry powder onto the surface of the anode.
Example 2
The structure of the present embodiment is substantially the same as that of embodiment 1, and the difference is that the anode body 11 is the inner wall of the whole casing 1, a plurality of anode plates can be embedded into the inner wall of the casing 1, the surface of the anode plates is coated with a superhydrophobic and oleophobic nano-coating, and the inner wall of the casing 1 is electrified with the cathode steel needle 10 when the dry powder is stirred, so as to perform electrostatic dust removal on the dry powder, and make the dry powder adsorbed on the surface of the anode body 11.
The above examples describe the present invention and its embodiments, and the description is not intended to be limiting. It should be noted that, for those skilled in the art, without departing from the inventive concept of the present invention, the structural modes and embodiments similar to the technical solutions should be designed without creativity, and all shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a thick liquids agitating unit which characterized in that: including casing (1), stirring rake (6) and top cap (7), casing (1) center is the cavity, and the cavity embeds there is stirring rake (6), casing (1) upper end is arranged in top cap (7), casing (1) center cavity inner wall and stirring rake (6) scribble super hydrophobic oleophobic nanometer coating.
2. A slurry stirring apparatus according to claim 1, wherein: the cooling layer (2) is arranged in the shell (1), one end of the cooling layer (2) is provided with a cooling inlet (3), and the other end of the cooling layer is provided with a cooling outlet (4).
3. A slurry stirring apparatus according to claim 1, wherein: and a slurry outlet (5) is formed in the bottom of the shell (1).
4. A slurry stirring apparatus according to claim 1, wherein: and a high-pressure interface (8) is arranged on the top cover (7).
5. The slurry stirring apparatus according to claim 4, wherein: stirring rake (6) and top cap (7) central point put and meet mutually, high pressure interface (8) use stirring rake (6) to be equilateral triangle distribution on top cap (7) top as the center.
6. The slurry stirring apparatus according to claim 4, wherein: the top cover (7) is also provided with a vacuumizing interface (9).
7. A slurry stirring apparatus according to any one of claims 1 to 6, wherein: the cathode steel needle (10) is arranged on the top cover (7), and the anode body (11) is arranged on the shell (1).
8. The slurry stirring apparatus according to claim 7, wherein: the anode body (11) is arranged at the bottom of the shell (1) and is connected with the shell (1).
9. The slurry stirring apparatus according to claim 7, wherein: the anode body (11) is the whole shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020959720.1U CN212549191U (en) | 2020-05-29 | 2020-05-29 | Slurry stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020959720.1U CN212549191U (en) | 2020-05-29 | 2020-05-29 | Slurry stirring device |
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| Publication Number | Publication Date |
|---|---|
| CN212549191U true CN212549191U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020959720.1U Active CN212549191U (en) | 2020-05-29 | 2020-05-29 | Slurry stirring device |
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| CN (1) | CN212549191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082879A1 (en) * | 2021-11-12 | 2023-05-19 | 宁德时代新能源科技股份有限公司 | Dispersion heat exchange apparatus and stirring system |
-
2020
- 2020-05-29 CN CN202020959720.1U patent/CN212549191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082879A1 (en) * | 2021-11-12 | 2023-05-19 | 宁德时代新能源科技股份有限公司 | Dispersion heat exchange apparatus and stirring system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210428 Address after: No.350 Jinshanhu Road, Maanshan economic and Technological Development Zone, Anhui Province 243000 Patentee after: Beehive energy technology (Ma'anshan) Co.,Ltd. Address before: Room 2-202, No. 259, Huxinan Road, Ma'anshan Economic and Technological Development Zone, Anhui Province Patentee before: ANHUI TAINENG NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |