Slurry granularity control system and control method and application thereof

A particle size control and slurry technology, applied in particle size analysis, particle and sedimentation analysis, measuring devices, etc., can solve problems such as large fluctuations in product quality

Active Publication Date: 2021-05-18
ZHONGTIAN EMERGING MATERIALS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the limitations of the sampling location, the operating level of the testing personnel, the accuracy of the testing equipment, and the detection time lag of this testing method, the product quality fluctuates greatly.

Method used

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  • Slurry granularity control system and control method and application thereof
  • Slurry granularity control system and control method and application thereof
  • Slurry granularity control system and control method and application thereof

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Embodiment Construction

[0044] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0045] see figure 1 , an embodiment of the present invention provides a slurry particle size control system 100, which is used to control the particle size of the lithium iron phosphate precursor slurry within a preset range during the production process of the lithium iron phosphate precursor particles. The slurry particle size control system 100 includes a feed tank 10 , a grinding device 30 , a first discharge pipeline 2...

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Abstract

The invention provides a slurry granularity control system. The system is used for controlling the granularity of lithium iron phosphate precursor slurry within a preset range, and involves a feeding tank, a grinding device, a first discharging pipeline, a granularity detection device and a discharging tank, The feeding tank is used for containing the lithium iron phosphate precursor slurry, the grinding device communicates with the feeding tank and is used for grinding the lithium iron phosphate precursor slurry, the first discharging pipeline communicates with the grinding device and is used for discharging the ground lithium iron phosphate precursor slurry, the granularity detection device is arranged on the first discharging pipeline and used for detecting the granularity of the ground lithium iron phosphate precursor slurry, the first discharging pipeline communicates with the feeding tank through a first pipeline, a first control valve is arranged on the first pipeline, the first discharging pipeline further communicates with the discharging tank through a second pipeline, and a second control valve is arranged on the second pipeline. A control method and a lithium iron phosphate precursor granule production system applying the slurry granularity control system are further provided.

Description

technical field [0001] The invention relates to the technical field of production of positive electrode materials for lithium ion batteries, in particular to a slurry particle size control system and a control method thereof, and a lithium iron phosphate precursor particle production system using the slurry particle size control system. Background technique [0002] Lithium iron phosphate is an emerging material that has triggered a revolution in the lithium battery industry. Due to its own advantages, lithium iron phosphate batteries are widely used in various fields such as hybrid vehicles, electric vehicles, electric tools, electric bicycles, electric mopeds, and power generation and energy storage devices. . [0003] The carbothermal reduction method is a method for solid-phase synthesis of lithium iron phosphate. It is a redox reaction method using inorganic carbon as a reducing agent. Because of its low cost and simple process, it has been widely used in domestic indus...

Claims

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Application Information

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IPC IPC(8): B02C25/00B02C17/10G01N15/02H01M4/58
CPCB02C25/00B02C17/10H01M4/5825G01N15/02Y02E60/10
Inventor 朱玲玲朱海洋张祥刘颖丛海明
Owner ZHONGTIAN EMERGING MATERIALS CO LTD
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