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A material crushing particle size control system and its control method and application

A particle size control and particle size technology, applied in application, particle size analysis, particle and sedimentation analysis, etc., can solve the problem of uneven material particle size, achieve the effect of ensuring continuity, ensuring particle size consistency, and reducing the number of sampling operations

Active Publication Date: 2022-08-05
HUNAN SHANSHAN ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the above technical problems, the present invention provides a material crushing particle size control system and its control method and application to solve the problem that the uniform crushing line in the crushing process of lithium battery positive electrode materials easily leads to uneven particle size of the crushed material

Method used

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  • A material crushing particle size control system and its control method and application
  • A material crushing particle size control system and its control method and application
  • A material crushing particle size control system and its control method and application

Examples

Experimental program
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Effect test

Embodiment 1

[0044] A material crushing particle size control system, such as figure 2 Shown includes:

[0045] The operation interface unit is used to input the setting parameters about the particle size of the pulverized material, the setting parameters include: particle size target value, particle size allowable error, sampling period, continuous particle size exceeding allowable times, particle size continuous normal setting times;

[0046] The detection unit is used for periodic sampling, and obtains the particle size measurement value and records the actual parameters of the number of particle size data and the sampling times;

[0047] a control unit, which is electrically connected to the operation interface unit and the detection unit, and is used to perform intelligent calculation and judgment on the actual parameter and the set parameter, and control the operation of the execution unit and the detection unit according to the calculation and judgment result;

[0048] The executi...

Embodiment 2

[0054] An operation method for controlling the pulverized particle size of the positive electrode material of a lithium battery in the application of the material pulverization particle size control system described in Example 1 in the production of the positive electrode material of the lithium battery.

[0055] First, enter the setting parameters in the operation interface unit of the material crushing particle size control system, including: the allowable times of continuous particle size exceeding the standard is 3, the normal setting times of continuous particle size is 3, the particle size target value is 15μm, the particle size allowable error is 1μm, and the normal sampling period It is 5 minutes / time, the abnormal sampling period (the abnormal sampling period is two gears, the sampling period of the first gear is 3 minutes / time, and the sampling period of the second gear is 1 minute / time), as well as the induced draft fan, grading wheel And the working frequency parame...

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Abstract

The invention provides a material pulverization particle size control system and a control method and application thereof, so as to solve the problem that the pulverization process of the positive electrode material of a lithium battery easily leads to uneven particle size. A material pulverization particle size control system includes: an operation interface unit for inputting setting parameters of the particle size of the pulverized material; a detection unit for performing periodic sampling to obtain particle size measurement values ​​and recording actual parameters of the number of particle size data and sampling times; The unit is used to calculate and judge the actual parameters and the set parameters, and control the work of the execution unit and the detection unit according to the judgment result; the execution unit is used to implement the particle size adjustment mechanism in the material pulverization and pulverization process. Through real-time monitoring of the particle size in the crushing work, the automatic control and adjustment mechanism is found to be abnormal in particle size, and the dynamic sampling cycle is matched with the multi-stage particle size adjustment, so that the specific situation of abnormal particle size can be judged at the fastest speed, and the abnormal adjustment can be completed in a short time; Improved efficiency and guaranteed granularity consistency.

Description

technical field [0001] The invention belongs to the technical field of preparation of positive electrode materials for lithium batteries, and in particular relates to a material pulverization particle size control system and a control method and application thereof. Background technique [0002] As a new type of green secondary battery, lithium-ion battery is widely used in wireless communication, transportation, aerospace and other aspects. of carbon, separators such as polyolefin microporous membranes, and electrolyte materials. The lithium-ion cathode material is a crucial factor restricting the performance of lithium-ion batteries in all aspects. [0003] As one of the key materials in the lithium-ion battery, the cathode material of the lithium-ion battery, its performance will directly affect the performance of the entire lithium-ion battery. Therefore, to solve the problems in the use of lithium-ion batteries or to improve the performance of lithium-ion batteries, r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C25/00B02C23/34B02C23/16B02C7/00G01N15/02G01N1/10
CPCB02C25/00B02C23/34B02C23/16B02C7/00G01N15/02G01N1/10G01N2001/1006
Inventor 蒋文平唐志强袁小波
Owner HUNAN SHANSHAN ENERGY TECH CO LTD
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