CN110743420A - Homogenate tank, homogenate machine and online detection method for homogenate viscosity - Google Patents
Homogenate tank, homogenate machine and online detection method for homogenate viscosity Download PDFInfo
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- CN110743420A CN110743420A CN201911123515.XA CN201911123515A CN110743420A CN 110743420 A CN110743420 A CN 110743420A CN 201911123515 A CN201911123515 A CN 201911123515A CN 110743420 A CN110743420 A CN 110743420A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/2135—Humidity, e.g. moisture content
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the field of lithium ion battery preparation, and discloses a homogenate tank, a homogenate machine and an online detection method for homogenate viscosity. The method comprises the steps of controlling a telescopic mechanism to lift the telescopic mechanism and a viscosity tester on the telescopic mechanism above the stirred slurry at the top of a tank body when stirring is needed, controlling the telescopic mechanism to extend the viscosity tester into a preset depth of the slurry when testing is needed, measuring the viscosity of the slurry by the viscosity tester, and transmitting the measured viscosity value to a production process execution system in real time. By applying the technical scheme, the viscosity change of the colloid or slurry in the homogenizing tank can be dynamically monitored in the homogenizing process, and the homogenizing effect can be favorably improved.
Description
Technical Field
The invention relates to the field of lithium ion battery preparation, and discloses a homogenate tank, a homogenate machine and an online detection method for homogenate viscosity.
Background
In the production of lithium ion batteries, electrode manufacturing, cell assembly and encapsulation, and battery pre-charging and activation are three main working stages, namely, a front process, a middle process and a back process in the lithium battery population.
Electrode manufacturing is the core of lithium battery production and plays an important role in the lithium battery production process. Slight defects in any of these factors, such as raw materials, manufacturing equipment and processes, environment, etc., can lead to poor performance of the battery.
The lithium battery slurry is divided into positive and negative electrode slurries, and active substances, conductive agents, binders, solvents and the like used by the two slurries are different according to different battery systems. The preparation (i.e. homogenate) of positive and negative electrode slurry includes a series of processes such as liquid and liquid, intermixing, dissolving, dispersion between liquid and the solid material, homogenate is the core process that influences the quality of lithium ion battery, homogenate of the prior art is mainly through sampling colloid or slurry, carry out the viscosity test to the sample, the viscosity test through observing the sample controls homogenate process, but the viscosity of colloid or slurry can be along with factors such as temperature, environment change in the homogenate process, the sample test can not be accurate the true condition of colloid or slurry in the reaction tank body, the prior art process has the defect that the test accuracy is low.
Disclosure of Invention
One of the purposes of the embodiments of the present invention is to provide a homogenization tank, which can dynamically monitor the viscosity change of the colloid or slurry in the homogenization tank during the homogenization process, and is favorable for improving the homogenization effect.
The second purpose of the embodiments of the present invention is to provide a homogenizer, which can dynamically monitor the viscosity change of the colloid or slurry in the homogenizing tank during the homogenizing process, and is beneficial to improving the homogenizing effect.
The second purpose of the embodiments of the present invention is to provide an online detection method for homogenate viscosity, which can dynamically monitor the viscosity change of colloid or slurry in a homogenate tank during the homogenate process, and is favorable for improving the homogenate effect.
In a first aspect, an embodiment of the present invention provides a homogenization tank, including:
a tank body which is provided with a plurality of tanks,
the upper cover is covered and is installed rabbling mechanism and telescopic machanism, works as the upper cover lid is in when the jar is last, the rabbling mechanism stretches the jar is internal, telescopic machanism can the upper cover arrives stretch out and draw back perpendicularly between the bottom of the jar body install the viscosity tester on the telescopic machanism, the viscosity tester can follow telescopic machanism vertical lift.
Optionally, a sealing shell is further arranged on the telescopic mechanism, the viscosity tester is installed in the sealing shell, and a probe of the viscosity tester extends out of the sealing shell.
Optionally, the sealing shell is detachably connected with the telescopic mechanism and the viscosity tester.
Optionally, a temperature tester is further arranged on the telescopic mechanism, and the temperature tester can vertically lift along with the telescopic mechanism.
Optionally, the telescopic mechanism and the upper cover are detachably mounted and connected.
Optionally, the viscosity tester is also electrically connected to the production process execution system.
Optionally, a main control panel is further disposed on the top of the upper cover, and the main control panel is electrically connected to the production process execution system.
Optionally, the telescopic control part of the telescopic mechanism is further electrically connected with the production process execution system.
Optionally, the stirring mechanism comprises at least one revolution stirring paddle,
when the upper cover is covered on the tank body, each revolution stirring paddle extends into the tank body.
Optionally, the stirring mechanism comprises at least two revolving stirring paddles.
Optionally, the stirring mechanism comprises a shearing mechanism,
the shearing mechanism includes: the vertical shaft is connected to the bottom of the upper cover, when the upper cover is covered on the tank body, the vertical shaft extends into the tank body, and a shearing part is arranged on the vertical shaft.
Optionally, the vertical shaft is a rotating shaft rotatable along an axis of the vertical shaft.
Optionally, the shear member is disposed at the bottom of the vertical shaft.
Optionally, the shearing member is plural.
Optionally, each of the shearing members is disposed at each height position of the vertical shaft.
Optionally, the shearing element is serrated.
In a second aspect, an embodiment of the present invention provides a homogenizer, including any one of the above homogenizing tanks.
In a second aspect, according to the online detection method for homogenate viscosity provided by the embodiment of the invention, when stirring is required, the telescoping mechanism is controlled to lift the telescoping mechanism and the viscosity tester thereon to the top of the tank body above the stirred slurry,
when the slurry is required to be tested, the telescopic mechanism is controlled to enable the viscosity tester to stretch into the preset depth of the slurry, the viscosity tester measures the viscosity of the slurry, and the viscosity measured value is transmitted to a production process execution system in real time.
Optionally, the method further comprises: the production process execution system also monitors the dynamic and viscosity changes of the slurry according to each measured viscosity measurement value.
Optionally, the method further comprises: the production process execution system also monitors the change trend of the viscosity of the slurry along with the temperature according to the measured viscosity value.
Therefore, by adopting the technical scheme of fixing the viscosity tester in the tank body, the viscosity tester can only test the viscosity data of the colloid or the slurry at a certain fixed position; and in the stirring process, the viscosity tester and the viscosity tester mounting structure are both positioned in the colloid or the slurry, and a stirring blind area is formed nearby the viscosity tester and the viscosity tester mounting structure to influence the stirring effect.
In the embodiment, the viscosity tester is arranged on the telescopic mechanism positioned at the bottom of the upper cover, when stirring is performed, the telescopic mechanism is in a contraction state, and the telescopic mechanism and parts (such as the viscosity tester) arranged on the telescopic mechanism are all lifted above the colloid or the slurry, so that the stirring effect is prevented from being influenced; in addition, the technical scheme can test the viscosity data of colloids or slurry at different depths by controlling the extending depth of the telescopic mechanism 4, and the obtained test result is more comprehensive and is more valuable for reference and application.
Get out the internal colloid or the slurry of jar for prior art ration sample, carry out the technical scheme of viscosity test to the sample outside jar, adopt this embodiment technical scheme more to be favorable to avoiding factors such as temperature, environment to the influence of viscosity test precision to adopt this embodiment technical scheme more to be favorable to improving process efficiency, use manpower sparingly, material resources.
Drawings
Fig. 1 is a schematic structural diagram of a homogenate tank provided in embodiment 1 of the present invention.
Reference numerals:
1: a tank body; 2: an upper cover; 3: a revolution stirring paddle; 4: a telescoping mechanism; 5: a probe;
6: a control panel; 7: a display screen; 8: a vertical axis; 9: and (4) a shearing part.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the present invention are provided to explain the present invention without limiting the invention thereto.
Example 1:
referring to fig. 1, this embodiment is a tall homogenate tank, which mainly includes: a tank body 1 and an upper cover 2, wherein the tank body 1 is a container for containing various raw materials for homogenate and is a homogenate container.
As an illustration of the present embodiment, but not limited to, a plurality of pipe joints (not shown in the drawings, refer to the prior art specifically) may be further provided on the tank 1, so as to add corresponding raw materials through the pipe joints according to process requirements, or perform a vacuum pumping operation on the tank 1, and an openable and closable valve (not shown in the drawings, refer to the prior art specifically) is provided in each pipe joint, and when the valve is opened, the pipe joint is in an open state; when the valve is closed, the pipeline interface is in a closed state.
When the homogenate is carried out, the upper cover 2 is covered on the top opening of the tank body 1, a closed space is formed between the upper cover 2 and the tank body 1, and the homogenate is carried out in the closed space, wherein the homogenate of the embodiment comprises the whole process of beating glue, adding the main material and the conductive agent after beating the glue and further stirring until the required slurry is obtained. The slurry in this embodiment may be a positive electrode slurry, a negative electrode slurry, or other slurry, and is not limited herein.
Install rabbling mechanism and telescopic machanism 4 on upper cover 2, wherein the rabbling mechanism is located the bottom towards the jar body of upper cover 2, and when upper cover 2 covered on jar body 1, the rabbling mechanism stretched in jar body 1, and the rabbling mechanism moves under electric mechanism's control, realizes stirring the material (colloid or thick liquids) in jar body 1 to stir it evenly.
The telescopic mechanism 4 is located at the bottom of the upper cover 2, the telescopic mechanism 4 can vertically extend and retract from the upper cover 2 to the bottom of the tank body 1, a viscosity tester is installed on the telescopic mechanism 4, the connection between the telescopic mechanism 4 and the bottom of the upper cover 2 is recorded as a fixed end, the other end of the telescopic mechanism is recorded as a free end, the free end can move up and down along with the extension and retraction of the telescopic mechanism, generally, the viscosity tester can be installed on the free end, and the viscosity tester can vertically move up and down along with the extension and retraction of the telescopic mechanism 4. The application principle is that in the slurry stirring process, the telescopic mechanism 4 is in a retraction state, and the telescopic mechanism 4 and the viscosity tester arranged on the telescopic mechanism 4 are attached to the bottom of the upper cover 2 and are lifted above the stirred colloid or slurry in the tank body 1, so that the stirring is prevented from being influenced. When needs test, control telescopic machanism 4 stretches into to the bottom direction of jar body 1, makes viscosity tester's probe 5 stretch into colloid or slurry, stretches into to predetermined degree of depth to carry out the on-line test to the colloid of the different degree of depth or the viscosity of slurry, obtain the current viscosity test result of the colloid of the different degree of depth or slurry, obtain the viscosity distribution data of the colloid of the different degree of depth of same period, so that this viscosity distribution data of user analysis optimizes stirring process, improves stirring effect. The user can also be at a plurality of time node control telescopic machanism 4 of stirring in-process, make the viscosity tester record the viscosity change data of the colloid or the slurry of each different degree of depth at different moments, realize the developments and the static monitoring of homogenate in-process colloid or slurry viscosity, convenience of customers carries out real time control and technology optimization to homogenate technology according to this real time monitoring result.
Therefore, by adopting the technical scheme of fixing the viscosity tester in the tank body 1, the viscosity tester can only test the viscosity data of the colloid or slurry at a certain fixed position; and in the stirring process, the viscosity tester and the viscosity tester mounting structure are both positioned in the colloid or the slurry, and a stirring blind area is formed nearby the viscosity tester and the viscosity tester mounting structure to influence the stirring effect.
In the embodiment, the viscosity tester is arranged on the telescopic mechanism 4 positioned at the bottom of the upper cover 2, when stirring, the telescopic mechanism 4 is in a contraction state, and the telescopic mechanism 4 and parts (such as the viscosity tester) arranged on the telescopic mechanism are all lifted above the colloid or the slurry, so that the stirring effect is prevented from being influenced; in addition, the technical scheme can test the viscosity data of colloids or slurry at different depths by controlling the extending depth of the telescopic mechanism 4, and the obtained test result is more comprehensive and is more valuable for reference and application.
For the colloid or the slurry of prior art ration sample taking out jar body 1 in, carry out the technical scheme of viscosity test to the sample outside jar body 1, adopt this embodiment technical scheme more to be favorable to avoiding factors such as temperature, environment to the influence of viscosity test precision to adopt this embodiment technical scheme more to be favorable to improving process efficiency, use manpower sparingly, material resources.
As an illustration of the present embodiment, the telescopic mechanism 4 of the present embodiment may be implemented by an elastic telescopic component, may also be implemented by a telescopic sleeve, may also be implemented by a telescopic member formed by connecting a plurality of elongated members, and may also be implemented by a soft material, but is not limited thereto actually.
As an illustration of the embodiment, a sealing case (not shown in the figure) is further disposed on the telescoping mechanism 4, and the main body of the viscosity tester is installed in the sealing case, so that the probe 5 of the viscosity tester extends out of the sealing case from the sealing case, so as to protect the main body of the viscosity tester and prolong the service life of the main body.
Wherein the sealing shell, the telescoping mechanism 4 and the viscosity tester are detachably connected, such as but not limited to a snap connection or a screw connection, so as to be conveniently detached (to be replaced or repaired or cleaned).
Similarly, the connection between the telescoping mechanism 4 and the upper cover 2 in this embodiment is also a detachable connection, so as to facilitate the detachment (to replace or maintain or clean it).
As an illustration of the embodiment, the viscosity tester of the embodiment is further electrically connected to a Manufacturing Execution System (Manufacturing Execution System, abbreviated as MES, not shown in the figure), test data of the viscosity tester is transmitted to the MES in real time, a user can check real-time test data and control parameters on a display device (including a host terminal and a display screen 7 on a control panel 6 located on the top of the upper cover 2) of the MES in real time, and the user can further adjust the stirring process in real time by using the viscosity test data measured by the MES according to the embodiment in combination with the current stirring process and other dynamic monitoring data (such as, but not limited to, including temperature) to optimize the subsequent stirring process, thereby further improving the stirring effect.
As an illustration of the present embodiment, the telescoping mechanism 4 of the present embodiment may adopt an electric control scheme, such as but not limited to electrically connecting the telescoping control part of the telescoping mechanism 4 with the MES, controlling the telescoping of the telescoping mechanism 4 through the MES, and controlling the test of the viscosity tester through the MES, so as to improve the automation degree of the viscosity test.
As an illustration of the present embodiment, the homogenization tank of the present embodiment further includes a temperature tester, which may be disposed on the tank body 1, and preferably but not limited to, a part of or all of the temperature tester is disposed on the telescoping mechanism 4 (which may but not limited to be disposed at the free end of the telescoping mechanism 4) of the present embodiment, so as to perform real-time testing on the temperatures of colloids or slurries at different depths at different time nodes, further facilitate a user to test the viscosities and temperatures at different depths at different times, and comprehensively monitor the dynamic variation trend of the viscosities along with the temperatures.
As an illustration of the present embodiment, the stirring mechanism of the present embodiment may adopt the prior art, and may also adopt the technical solution of the present embodiment:
the stirring mechanism comprises a revolution stirring paddle 3, and the revolution stirring paddle 3 can be one, or two or more. When the upper cover 2 is covered on the tank body 1, the revolution stirring paddle 3 extends into the tank body 1, and during stirring, the revolution stirring paddle 3 performs revolution motion in the tank body 1 to realize stirring of colloid or slurry. In the present embodiment, the axis (revolution axis) around which each revolving stirring paddle 3 revolves is vertical, wherein the revolution axes corresponding to each revolving stirring paddle 3 may be the same or different, and each revolution axis corresponding to each revolving stirring paddle 3 may change with time or may be at a fixed position.
As an illustration of the present embodiment, the stirring mechanism of the present embodiment further includes a shearing mechanism, the shearing mechanism includes a vertical shaft 8 connected to the bottom of the upper cover 2 and extending into the tank 1, and a shearing member 9 is disposed on the vertical shaft 8, wherein the shearing member 9 may be serrated or may be other sharp shapes. In addition, the cutting member 9 may be disposed at the bottom of the vertical shaft 8, or may be disposed at different positions of the height of the vertical shaft 8 in a distributed manner. In the stirring process, the colloid or the slurry carries out centrifugal motion under the action of the revolution stirring paddle 3, passes through the shearing piece 9 in the centrifugal motion process, and the shearing piece 9 disperses the passing colloid or slurry, so that the viscosity uniformity of the colloid or the slurry is improved, and the stirring effect is improved.
As an illustration of the present embodiment, the vertical shaft 8 of the present embodiment may be, but is not limited to, a rotating shaft capable of rotating along the axis of the rotating shaft, and the rotating direction is opposite to the centrifugal movement direction of the colloid or slurry during stirring, so as to increase the relative speed between the shearing member 9 and the colloid or slurry, improve the shearing effect, and improve the stirring effect.
The homogenizing tank of the embodiment can be applied to a homogenizer, when in application, the tank body 1 is placed below the homogenizer, the homogenizer is connected with the upper cover 2, and a control panel of the homogenizer is electrically connected with the MES to provide electric or pneumatic drive control for each moving part on the upper cover 2. Further structure and function of the refiner can be seen in the description of the prior art.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (9)
1. A homogenization tank, characterized by comprising:
a tank body which is provided with a plurality of tanks,
the upper cover is covered and is installed rabbling mechanism and telescopic machanism, works as the upper cover lid is in when the jar is last, the rabbling mechanism stretches the jar is internal, telescopic machanism can the upper cover arrives stretch out and draw back perpendicularly between the bottom of the jar body install the viscosity tester on the telescopic machanism, the viscosity tester can follow telescopic machanism vertical lift.
2. The homogenization tank of claim 1, wherein,
the telescopic mechanism is further provided with a sealing shell, the viscosity tester is installed in the sealing shell, and a probe of the viscosity tester extends out of the sealing shell.
3. The homogenization tank of claim 1, wherein,
the telescopic mechanism is also provided with a temperature tester, and the temperature tester can vertically lift along with the telescopic mechanism.
4. The homogenization tank of claim 1, wherein,
the viscosity tester is also electrically connected with the production process execution system.
5. The headbox according to claim 4,
the top of the upper cover is also provided with a main control panel, and the main control panel is electrically connected with the production process execution system.
6. A refiner comprising a refiner tank according to any one of claims 1 to 5.
7. An on-line detection method for homogenate viscosity is characterized in that,
when stirring is needed, the telescopic mechanism and the viscosity tester on the telescopic mechanism are controlled to be lifted to the top of the tank body and above the stirred slurry,
when the slurry is required to be tested, the telescopic mechanism is controlled to enable the viscosity tester to stretch into the preset depth of the slurry, the viscosity tester measures the viscosity of the slurry, and the viscosity measured value is transmitted to a production process execution system in real time.
8. The method of on-line measuring the viscosity of a slurry according to claim 7,
further comprising: the production process execution system also monitors the dynamic and viscosity changes of the slurry according to each measured viscosity measurement value.
9. The method of on-line measuring the viscosity of a slurry according to claim 7,
further comprising: the production process execution system also monitors the change trend of the viscosity of the slurry along with the temperature according to the measured viscosity value.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921841248 | 2019-10-30 | ||
| CN2019218412485 | 2019-10-30 |
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| CN110743420A true CN110743420A (en) | 2020-02-04 |
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| CN201921928631.4U Active CN211246375U (en) | 2019-10-30 | 2019-11-08 | Homogenate tank and homogenate machine |
| CN201911123515.XA Pending CN110743420A (en) | 2019-10-30 | 2019-11-16 | Homogenate tank, homogenate machine and online detection method for homogenate viscosity |
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| CN201921928631.4U Active CN211246375U (en) | 2019-10-30 | 2019-11-08 | Homogenate tank and homogenate machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522076A (en) * | 2021-07-22 | 2021-10-22 | 太仓北新建材有限公司 | Mixing chamber system of wet material system of gypsum board production line |
| CN114383977A (en) * | 2021-12-24 | 2022-04-22 | 华润水泥技术研发（广西）有限公司 | Method for quantifying stirring difficulty of cement paste |
| CN117065616A (en) * | 2023-09-13 | 2023-11-17 | 西安百博智能环保科技有限公司 | Homogenate system based on lithium cell thick liquids production |
-
2019
- 2019-11-08 CN CN201921928631.4U patent/CN211246375U/en active Active
- 2019-11-16 CN CN201911123515.XA patent/CN110743420A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522076A (en) * | 2021-07-22 | 2021-10-22 | 太仓北新建材有限公司 | Mixing chamber system of wet material system of gypsum board production line |
| CN113522076B (en) * | 2021-07-22 | 2023-10-27 | 北新建材(苏州)有限公司 | Mixing cavity system of wet material system of gypsum board production line |
| CN114383977A (en) * | 2021-12-24 | 2022-04-22 | 华润水泥技术研发（广西）有限公司 | Method for quantifying stirring difficulty of cement paste |
| CN117065616A (en) * | 2023-09-13 | 2023-11-17 | 西安百博智能环保科技有限公司 | Homogenate system based on lithium cell thick liquids production |
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| CN211246375U (en) | 2020-08-14 |
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