CN201988352U - Slurry mixing device - Google Patents
Slurry mixing device Download PDFInfo
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- CN201988352U CN201988352U CN201120034040XU CN201120034040U CN201988352U CN 201988352 U CN201988352 U CN 201988352U CN 201120034040X U CN201120034040X U CN 201120034040XU CN 201120034040 U CN201120034040 U CN 201120034040U CN 201988352 U CN201988352 U CN 201988352U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a slurry mixing device, which comprises a slurry stirring device and a slurry circulating container communicated with the slurry stirring device. At least one group of ultrasonic wave dispersal devices are arranged on the periphery of the slurry circulating container. The slurry stirring device connected with a vacuum pump is a closed container capable of pumping vacuum. Due to the slurry stirring device of the slurry mixing device, dispersion of slurries is more efficient and even, and the performance is more excellent.
Description
Technical field
The utility model relates to a kind of slurry mixing apparatus.
Background technology
Battery production is that battery active material, conductive agent, binding agent, dispersant etc. are sized mixing by certain proportioning, does form slurry, and the slurry slurry becomes pole piece, and in this process, the dispersion effect of slurry directly influences the technology and the quality of follow-up battery production; The direct acting factor of slurry dispersion effect is a slurry viscosity, it not only has influence on slurry and carries, and the more important thing is the direct pole piece coating effect that influences, thereby have influence on the production technology and the quality of production of pole piece, therefore, the slurry that needs appropriate viscosity in the battery production, slurry viscosity are the emphasis regulation and control parameter in the battery production all the time.
The size of slurry viscosity is determined by many-sided factor, the character of active material itself, active material and conductive agent, the mixed effect of binding agent etc., slurry temperature, the materials proportioning, comprise: the consumption of dispersant how much, admittedly proportioning that contains thing etc. all can directly influence slurry viscosity, under the situation that temperature and proportioning are determined, viscosity is still higher sometimes, and the viscosity height has caused harmful effect to dispersion effect, regulate the addition that method of viscosity is normally regulated dispersant this moment, in the hope of reaching optimum viscosity, but this control method has increased dispersant dosage again, causes cost to rise.
As mentioned above, under the slurry viscosity condition with higher, can cause difficulties in dispersion, cost rises, and production efficiency is hanged down inferior problem.
The utility model content
The utility model purpose is: a kind of slurry mixing apparatus is provided, and it can overcome above-mentioned defective, has reduced the addition of dispersant in the cell size preparation, reduces production cost, enhances productivity; Make that the dispersion of slurry is more even, more excellent performance.
The technical solution of the utility model is: a kind of slurry mixing apparatus, comprise slurry stirring device and the slurry container that is communicated with the slurry stirring device circulation, described slurry container peripheral distribution has at least one group of ultrasonic wave dispersal device, described slurry stirring device is the closed container of vacuum-pumping, is connected with vavuum pump on the described slurry stirring device.
The ultrasonic wave that the ultrasonic wave dispersal device sends changes the rerum natura of slurry to the slurry effect in the slurry container, makes that the viscosity reduction and the dispersion of slurry are more even.
In addition, by vavuum pump with to carrying out vacuum suction in the slurry stirring device, the vacuum environment in the holdout device, vacuum can maintain 0～-0.1Mpa.When having air to exist in the slurry stirring device container, air is to the material particles in the slurry stirring device, particularly there is buoyancy in dry powder particle, and when slurry stirring device drive material raised up motion, heavy particle was different with the light grains movement locus, heavy particle falls in advance, fall behind the light grains, thereby form a tangible layering, the bottom is heavy particle, the upper strata is a light grains, and the material that causes like this disperses inhomogeneous.When being vacuum environment in the slurry stirring device, aerostatic buoyancy disappears, and the weight particle is freely falling body, and each material particles is done identical motion with shaft, and dispersion effect is better between the material particles like this.Under vacuum environment, when slurry stirs unlatching, the effect of stirring makes the various powders in the adding apparatus, as battery active material, conductive additive, powders such as binding agent are done the motion of three-dimensional in agitating device, be subjected to high speed impact, the shearing of shaft blade simultaneously, and high-intensity friction effect between the material, make material evenly be disperseed at short notice, and reach desirable dispersion effect.
Further, in above-mentioned slurry mixing apparatus, described slurry stirring device periphery is provided with chuck, and described chuck is provided with heat exchange medium import and heat exchange medium exit.In chuck, inject cooling fluid or heating liquid by the heat exchange medium import and export, can cool off or heat slurry stirring device and keep the constant of material in the slurry stirring device or slurry temperature.When stirring unlatching, between the material and material in the slurry stirring device, phase mutual friction and bump can produce heat between material and the agitating device, in order to prevent that temperature is too high in the slurry stirring device, can take away heat by the cooling fluid in the chuck, lower the temperature to slurry stirring device; When drying requires, can use the liquid in the chuck that device is carried out heat temperature raising, at this moment, material in the motion is fluidized state, the disengagement area of material is increased greatly, add the vacuum action in the slurry stirring device, the drying capacity of material and effect are significantly strengthened.
Further, in above-mentioned slurry mixing apparatus, described ultrasonic wave dispersal device comprises the ultrasonic transducer that is distributed in the slurry container periphery, is located at outer shell of ultrasonic transducer and the supersonic generator that is electrically connected with ultrasonic transducer.Wherein supersonic generator can be set together with ultrasonic transducer, also can be provided with elsewhere, is electrically connected with ultrasonic transducer by lead.
In addition, above-mentioned ultrasonic wave dispersal device can also comprise silencing apparatus, as the noise reduction bag is set, and reduces the ultrasonic noise that brings.
Further, in above-mentioned slurry mixing apparatus, is communicated with by the circulating line circulation between described slurry container and the slurry stirring device, described circulating line is provided with the circulating pump that the circulation driving force is provided, and makes slurry container and slurry stirring device formation closed circulation.When the viscosity of slurry does not reach requirement, can make material in the slurry mixing apparatus, carry out repeatedly processing by circulating line.Make material through repeatedly handling, up to reaching the discharging requirement.A kind of special situation is: slurry container itself is exactly the part of circulating line, and promptly described ultrasonic wave dispersal device is installed in the periphery of one section circulating line.On this circulating line circulating pump to be set, between slurry container, circulating line and slurry stirring device, circulate, reach slurry optimum dispersion effect at last with the slurry that drives in the closed circulation.
Further, in above-mentioned slurry mixing apparatus, described slurry stirring device comprises all kinds of wet grinding machines, mixer etc.
Further, the slurry stirring device in the utility model can be selected liner according to the physicochemical properties of material, and is ceramic-lined as stainless steel inner lining, polyamine fat liner, or other suitable liner.
Further, material of the present utility model can be powder or slurry.
The hyperacoustic operation principle of the utility model: hyperacoustic emulsification, the higher cell size of viscosity is in container the time, open the ultrasonic wave dispersal device, when high-strength ultrasonic acts on slurry, because the cavity that has some in the slurry, ultrasonic wave can make and produce vibration on the bubble, produce very big shearing force at the cavity interface, under the effect of shearing force, slurry fully mixes with solvent, makes slurry emulsification, and when phase concentration reaches a location, change the emulsion type of slurry, viscosity is reduced.
The ultrasonic cavitation effect is meant that the little gas nuclear cavitation bubble that is present in the liquid vibrates the growth that takes place and the dynamic process of collapse under the effect of sound wave when acoustic pressure reaches certain value.Promptly in liquid because the ultrasonic wave effect, a certain zone of liquid can form local temporary transient negative pressuren zone, so production hole or bubble in the liquid.These bubbles that are filled with steam or air are in unsteady state, when unexpected closure, can produce shock wave, thereby can produce very big pressure (several thousand to several ten thousand atmospheric pressure) and very high temperature (ultrasonic wave acts on the cavitation of liquid) at local tiny area, can destroy the slurry intermolecular force under the shock wave effect that when HTHP and cavitation, produces, make slurry molecule viscosity reduction.The minimum sound intensity or the acoustic pressure width of cloth that liquid produces cavitation are called cavitation threshold, and the viscosity relationship of cavitation threshold and liquid is: P
C
=0.8(log η+5), P wherein
C
Be cavitation threshold, η is a viscosity.
Adopt the preparation method of above-mentioned slurry mixing apparatus production cell size as follows: to use described slurry mixing apparatus to become cell size to the dispersion effect that reaches setting battery active material, conductive additive, binding agent and dispersant dispersed with stirring.
Use described slurry mixing apparatus to join by battery active material, conductive additive, the binding agent that prescription prepares in the slurry mixing apparatus, vacuumize and make the vacuum that reaches certain in the equipment container, closing vavuum pump makes container keep vacuum, opening to stir makes mixed powder reach the dispersion effect of setting, stop to stir, utilize the negative pressure in the container that certain amount of dispersant is sucked in the container, continue to open and stir, mixed powder is uniformly dispersed in dispersant, forms uniform and stable slurry.The slurry that the method is disperseed again through be coated with, reel, cut, operation such as assembling is made into battery.
Because adopted above-mentioned slurry mixing apparatus and used slurry preparation method of the present utility model, make cell size add less dispersant and just can reach good dispersion effect that make cell size solid content height, viscosity is low, good processability, the battery pole piece intensity height of cell size preparation, internal resistance is low, and caking property is good, the internal resistance of cell of being produced is low, the high rate performance height, high conformity, simultaneously, in this process, by adding various powders once, add dispersant again, technical process is simple, flow process is short, the efficient height prevents to pollute effectively, can also save equipment, labour cost.
The utility model has the advantages that:
1. the utility model not only is applied to the dispersion mixing of powder, and the dispersion that can also be applied to slurry mixes.
2. because the utility model equipment has adopted vacuum to disperse to mix, so the utility model has better dispersion effect to powder.
3. the utility model adds certain bake out temperature because the material evaporation surface is bigger, and certain vacuum, and the utility model equipment is all strengthened greatly to the drying capacity and the effect of powder.
4. the utility model adopts the ultrasonic wave dispersal device that slurry is carried out ultrasonic dispersion, can realize the minimizing of dispersant addition, saves production cost.
5. the hyperacoustic use of the utility model makes slurry viscosity descend, and disperses more evenly, and size performance is good, is convenient to the slurry conveying, and next step controlling of production process and the quality of production are all brought decisive influence.
6. the utility model adopts vacuum stirring to disperse, and makes the generation of effectively having avoided bubble in the slurry dispersion process.
7. the utility model adopts slurry stirring device and the cycle operation of ultrasonic wave dispersal device to handle slurry, can realize that slurry stirs and the circulation integration of operation of the ultrasonic dispersion of slurry.
9. owing to adopted circulation material conveying, so the utility model can guarantee to disperse the effect of mixing.
10. the cell size solid content height produced of the utility model, viscosity is low, good processability.
11. with the battery pole piece intensity height that the cell size of the utility model production is produced, internal resistance is low, caking property is good.
12. the internal resistance of cell of producing with the battery pole piece of the utility model production is low, high rate performance height, high conformity.
13. the utility model technical process is simple, flow process is short, and the efficient height prevents to pollute effectively, can also call in expense, labour cost by saving equipment.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is the structural representation of the utility model specific embodiment slurry container and ultrasonic wave dispersal device;
Fig. 3 is the side view of Fig. 2.
Wherein: 1 slurry stirring device; 2 chucks; 21 heat exchange medium imports; 22 heat exchange medium exits; 3 vavuum pumps; 4 circulating lines; 5 slurry circulation vessels; 6 ultrasonic wave dispersal devices; 61 ultrasonic transducers; 62 shells; 63 supersonic generators; 7 circulating pumps.
The specific embodiment
Embodiment one: as shown in Figure 1 to Figure 3, a kind of slurry mixing apparatus, comprise slurry stirring device 1 and the slurry circulation vessel 5 that is communicated with slurry stirring device 1 circulation, described slurry container 5 peripheral distribution have at least one group of ultrasonic wave dispersal device 6, described slurry stirring device 1 is the closed container of vacuum-pumping, is connected with vavuum pump 3 on the described slurry stirring device 1.
Described slurry stirring device 1 periphery is provided with chuck 2, and described chuck 2 is provided with heat exchange medium import 21 and heat exchange medium exit 22.
Described ultrasonic wave dispersal device 6 comprises the ultrasonic transducer 61 that is distributed in slurry container 5 peripheries, be located at outer shell 62 of ultrasonic transducer 61 and the supersonic generator 63 that is electrically connected with ultrasonic transducer 61.
Be communicated with by circulating line 4 circulations between described slurry container 1 and the slurry stirring device 1, on the described circulating line 4 circulating pump 7 that the circulation driving force is provided can also be set.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.
Claims (4)
1. slurry mixing apparatus, comprise slurry stirring device (1) and the slurry circulation vessel (5) that is communicated with slurry stirring device (1), it is characterized in that: described slurry container (5) peripheral distribution has at least one group of ultrasonic wave dispersal device (6), described slurry stirring device (1) is the closed container of vacuum-pumping, is connected with vavuum pump (3) on the described slurry stirring device (1).
2. slurry mixing apparatus according to claim 1 is characterized in that: described slurry stirring device (1) periphery is provided with chuck (2), and described chuck (2) is provided with heat exchange medium import (21) and heat exchange medium exit (22).
3. slurry mixing apparatus according to claim 1 is characterized in that: described ultrasonic wave dispersal device (6) comprises the ultrasonic transducer (61) that is distributed in slurry container (5) periphery, is located at outer shell (62) of ultrasonic transducer (61) and the supersonic generator (63) that is electrically connected with ultrasonic transducer (61).
4. slurry mixing apparatus according to claim 1, it is characterized in that: be communicated with by circulating line (4) circulation between described slurry circulation vessel (5) and the slurry stirring device (1), described circulating line is provided with the circulating pump (7) that the circulation driving force is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120034040XU CN201988352U (en) | 2011-01-31 | 2011-01-31 | Slurry mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120034040XU CN201988352U (en) | 2011-01-31 | 2011-01-31 | Slurry mixing device |
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| Publication Number | Publication Date |
|---|---|
| CN201988352U true CN201988352U (en) | 2011-09-28 |
Family
ID=44664857
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120034040XU Expired - Fee Related CN201988352U (en) | 2011-01-31 | 2011-01-31 | Slurry mixing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581955A (en) * | 2012-03-14 | 2012-07-18 | 中建商品混凝土有限公司 | Environmental-friendly vehicle-mounted concrete stirring system and method for carrying out concrete mixing by using same |
| CN102847479A (en) * | 2012-10-11 | 2013-01-02 | 北京化工大学 | High-capacity ultrasonic crushing and dispersing device |
| CN105080376A (en) * | 2014-05-23 | 2015-11-25 | 深圳市尚水智能设备有限公司 | Suspension and colloid preparation method, and apparatus system and application thereof |
| CN107851773A (en) * | 2015-07-17 | 2018-03-27 | 艾利电力能源有限公司 | Battery electrode paste distributor, battery electrode paste processing unit, battery electrode paste distribution method, suspension distributor, suspension distribution method, battery electrode paste processing method, producing device and preparation method |
| CN108993298A (en) * | 2018-08-14 | 2018-12-14 | 安徽和邦纺织科技有限公司 | A kind of constant temperature dispersal device for the production of modified biomass fiber |
| CN111406907A (en) * | 2020-03-28 | 2020-07-14 | 长牌食品(江苏)有限公司 | Production process of slurry-free quick-frozen fillets |
| CN116747757A (en) * | 2023-08-17 | 2023-09-15 | 新乡市弘力电源科技有限公司 | Pretreatment equipment for monocrystal high-nickel ternary material |
-
2011
- 2011-01-31 CN CN201120034040XU patent/CN201988352U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581955A (en) * | 2012-03-14 | 2012-07-18 | 中建商品混凝土有限公司 | Environmental-friendly vehicle-mounted concrete stirring system and method for carrying out concrete mixing by using same |
| CN102581955B (en) * | 2012-03-14 | 2014-07-02 | 中建商品混凝土有限公司 | Environmental-friendly vehicle-mounted concrete stirring system and method for carrying out concrete mixing by using same |
| CN102847479A (en) * | 2012-10-11 | 2013-01-02 | 北京化工大学 | High-capacity ultrasonic crushing and dispersing device |
| CN102847479B (en) * | 2012-10-11 | 2014-06-18 | 北京化工大学 | High-capacity ultrasonic crushing and dispersing device |
| CN105080376A (en) * | 2014-05-23 | 2015-11-25 | 深圳市尚水智能设备有限公司 | Suspension and colloid preparation method, and apparatus system and application thereof |
| CN105080376B (en) * | 2014-05-23 | 2018-09-04 | 深圳市尚水智能设备有限公司 | Manufacturing method and apparatus system and the application of a kind of suspension and colloid |
| CN107851773A (en) * | 2015-07-17 | 2018-03-27 | 艾利电力能源有限公司 | Battery electrode paste distributor, battery electrode paste processing unit, battery electrode paste distribution method, suspension distributor, suspension distribution method, battery electrode paste processing method, producing device and preparation method |
| CN107851773B (en) * | 2015-07-17 | 2020-11-06 | 艾利电力能源有限公司 | Battery electrode slurry distribution device, battery electrode slurry processing device, battery electrode slurry distribution method, suspension distribution device, and suspension distribution method |
| CN108993298A (en) * | 2018-08-14 | 2018-12-14 | 安徽和邦纺织科技有限公司 | A kind of constant temperature dispersal device for the production of modified biomass fiber |
| CN111406907A (en) * | 2020-03-28 | 2020-07-14 | 长牌食品(江苏)有限公司 | Production process of slurry-free quick-frozen fillets |
| CN116747757A (en) * | 2023-08-17 | 2023-09-15 | 新乡市弘力电源科技有限公司 | Pretreatment equipment for monocrystal high-nickel ternary material |
| CN116747757B (en) * | 2023-08-17 | 2023-11-14 | 新乡市弘力电源科技有限公司 | Pretreatment equipment for monocrystal high-nickel ternary material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU INDUSTRIAL PARK RIGAO ENERGY TECHNOLOGY CO. Free format text: FORMER OWNER: NANOCHEM SYSTEMS (SUZHOU) CO., LTD. Effective date: 20150105 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215126 SUZHOU, JIANGSU PROVINCE TO: 215000 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150105 Address after: Suzhou City, Jiangsu province 215000 Industrial Park Suzhou Huahong Street No. 29 Patentee after: Suzhou Industrial Park day high-energy source Science and Technology Ltd. Address before: Suzhou City, Jiangsu province 215126 Industrial Park, Wu Pu Road No. 79 Patentee before: NanoChem Systems (Suzhou) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20190131 |