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Online measuring device for size and morphology of particle

A measuring device and morphology technology, which is applied in the field of on-line measuring devices for particle size and specific morphology, can solve the problems of lack of universality and limited scope of application, and achieve the effect of avoiding easy pollution and enriching reference information

Inactive Publication Date: 2019-08-23
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is an off-line measurement method, and its scope of application is limited. It is only suitable for measuring the particle size of mineral particles in ore light slices, and it is not universal.

Method used

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  • Online measuring device for size and morphology of particle
  • Online measuring device for size and morphology of particle
  • Online measuring device for size and morphology of particle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Lithium-ion battery cathode material precursor Ni 0.8 co 0.1 mn 0.1 (OH) 2 On-line particle size measurement for continuous production processes.

[0020] like figure 1 As shown, an on-line measurement device for particle size and morphology, including a reactor 1, is used to produce the precursor Ni 0.8 co 0.1 mn 0.1 (OH) 2 The product, the product is transported to the dilution system through the retrieving system. The retrieving system is composed of a retrieving pipe 2 and a peristaltic pump 3. The dilution system is composed of a water tank 4 and a dilution tank 5. One end of the retrieving pipe 2 is connected to the reactor 1. Under the action of the peristaltic pump 3, the sample is transported to the dilution tank 5 at the other end, and an appropriate amount of diluent is added from the storage tank 4 according to the concentration of the sample to dilute the sample to a concentration suitable for observation by the observation system. The observation sy...

Embodiment 2

[0022] On-line measurement of crystal size during drug crystallization.

[0023] The level of drug crystallization technology will directly affect important indicators such as crystal size, purity, and crystal form. These indicators will also have an important impact on the safety and efficacy of drugs. Therefore, it is necessary to be able to grasp these indicators in real time to adjust the production process at any time to improve products. Purity, crystal form purity, uniform particle size distribution and bulk density, etc.

[0024] like figure 1 As shown, an on-line measurement device for particle size and shape, including a reactor 1, is used for the drug crystallization process, and the product is transported to the dilution system through a feeding system, which consists of a feeding pipe 2 and a peristaltic pump 3 , the dilution system is composed of a liquid storage tank 4 and a dilution tank 5. One end of the feeding pipe 2 is connected to the reaction kettle 1, a...

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Abstract

The invention discloses an online measuring device for size and morphology of a particle. The device comprises a full-automatic sampling system, a diluting system, an online observation system, an image processing system and the like, wherein the sampling system comprises a peristaltic pump and a feeding tube and is used for conveying an obtained sample to the diluting system; the diluting systemcomprises a liquid storage tank and a diluting tank and is used for diluting the sample to a concentration suitable for the observation of the online observation system; the online observation systemcomprises a high-definition camera or a microscope, an observation table and a computer; the sample conveyed to the observation table is photographed in real time by the high-definition camera or themicroscope and stored on the computer; the morphology and the size of the particle can be observed in detail through a computer program; the image processing system is an image processing program withindependent intellectual property rights; and the program is used for processing pictures taken by the high-definition camera or the microscope in real time and obtaining the size distribution and the specific morphology features of the particle through data statistics.

Description

technical field [0001] The invention relates to the field of on-line measurement of liquid-solid two-phase flow, in particular to an on-line measurement device for particle size and specific shape. Background technique [0002] In many industrial production processes, it is necessary to control the particle size and specific morphology of the solid particles participating in the reaction within an appropriate range, such as the production process of the precursor of the positive electrode material of the lithium ion battery. Too large or too small particle size and poor morphology will have adverse effects on the electrochemical performance of lithium-ion batteries. Therefore, it is necessary to monitor the particle size distribution and morphology characteristics of the product in real time during the reaction, so that the reaction conditions can be adjusted in time to meet the production requirements. Require. [0003] Among the existing on-line particle size detection te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/02G01B11/24
CPCG01B11/24G01N15/02
Inventor 黄青山肖航陈阿强杨超
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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