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A dry particle size measuring device

A measuring device and particle technology, which is applied in the field of particle size analyzers, can solve problems such as low measurement accuracy, long measurement time, and cumbersome operation, and achieve the effects of improving measurement accuracy, avoiding cumbersome measurement processes, and overcoming interference

Inactive Publication Date: 2016-03-09
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a dry-type particle size measuring device to solve the problems of cumbersome operation, long measurement time and low measurement accuracy caused by the cyclic movement of particles during the dynamic measurement process of the existing laser particle size analyzer.

Method used

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Embodiment Construction

[0026] Such as figure 1 As shown, the present invention includes a light source system, levitation system, detection system and computer processing system 20 .

[0027] The suspension system includes a vacuum chamber 1, which is surrounded by a stainless steel cavity, and the stainless steel cavity is grounded; in the vacuum chamber 1, there are two upper and lower plates horizontally, the upper plate 3 is grounded, and the lower plate 12 is connected to a DC power supply 15 The positive pole of the DC power supply 15 is grounded, and the DC power supply 15 is located outside the vacuum chamber 1. When the DC power supply 15 is switched on, uniform plasma is generated between the upper and lower plates by discharge. The voltage of the DC power supply 15 can be 0-1000V.

[0028] Such as figure 2 As shown, the upper plate 3 is made up of two pieces of ITO conductive glass, and each piece of ITO conductive glass includes a glass layer 3-1 (material can be quartz glass) and an...

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Abstract

The invention provides a dry-type granule granularity measuring device which comprises a light source system, a suspension system, a detection system and a computer processing system, wherein the suspension system comprises a vacuum chamber, an upper and lower pole plates are horizontally arranged in the vacuum chamber, the upper pole plate is connected to the ground, the lower pole plate is connected with the negative pole of a direct current power supply, and the positive pole of the direct current power supply is connected to the ground; a granule tank for containing granules to be measured is arranged between the upper pole plate and the lower pole plate; and the granule tank is connected with a vibrating bar which penetrates out of the vacuum chamber. The device for measuring granule granularity is simple and convenient to operate and quick and accurate for measurement, and provides a solution for quick analysis and detection in the fields of laboratories and industry.

Description

technical field [0001] The invention relates to a particle size analyzer, in particular to a dry particle size measuring device. Background technique [0002] Particle size analyzer is an instrument used to test the size and distribution of solid particles. It has been widely used in the fields of biology, physics, chemical industry, pharmaceuticals and environmental pollution analysis. Existing particle size analyzers include laser particle size analyzers and particle imagers. The laser particle size analyzer adopts the principle of Mie scattering to test the dynamic particles. The dynamic particles can be dispersed by wet method, dry method or integrated method of dry and wet. [0003] The existing laser particle size analyzer basically consists of four main parts: 1) light source system; 2) suspension system; 3) detection system; 4) computer processing system. Most of the light sources in the light source system use monochromatic and directional lasers, and light-emitti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/02
Inventor 贺亚峰张永亮宫卫华冯帆董丽芳
Owner HEBEI UNIVERSITY
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