A detection device and method for hoisting characteristics of deposited combustible dust
A technology of detection device and hoisting device, which is applied in the direction of measuring device, particle and sedimentation analysis, instrument, etc., can solve the problem of quantitative detection of hoisting characteristics, etc., and achieve the effect of preventing participation.
Active Publication Date: 2020-03-31
CHINA JILIANG UNIV
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Problems solved by technology
In the existing technical schemes, most of the real explosion shock waves are used to induce the deposition of dust hoisting. The hoisted dust has already participated in the explosion to form products, and quantitative detection of the hoisting characteristics cannot be carried out. Therefore, it is necessary to make major improvements for safe and accurate detection. Characteristic Parameters of Shock Wave Induced Sedimentary Dust Hoisting
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[0022] In order to make the detection device and method for the hoisting characteristics of deposited combustible dust described in the present invention easier to understand, the present invention will be further described below in conjunction with specific embodiments with reference to the accompanying drawings.
[0023] refer to figure 1 , figure 2 , a detection device and method for the hoisting characteristics of deposited combustible dust, the detection device is composed of a deposited combustible dust hoisting device and a hoisting characteristic parameter detection system, the deposited combustible dust hoisting device includes: a compressed gas cylinder 1, and The air intake pipe 2 with a nominal diameter of DN25 is connected to the compressed gas cylinder 1, and the air intake pipe 2 is equipped with a solenoid valve 3, which is connected to the data acquisition and control system 12 through a shielded wire, and the other end of the air intake pipe 2 is connected t...
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Abstract
The invention discloses a detection device and method for sedimentary combustible dust winding characteristics, and belongs to the technical field of combustible dust explosion. The device comprises a sedimentary combustible dust winding device and a winding characteristic parameter detection system, the sedimentary combustible dust winding device comprises a shock wave generation device, a winding characteristic parameter detection pipeline and an absorption device, the winding characteristic parameter detection system comprises a laser transceiving module array and a shock wave detection sensor, and the laser transceiving module array is arranged in the vertical direction of the sedimentary combustible dust winding pipeline. The detection device and method can be used for detecting winding characteristic parameters of sedimentary dust under the action of shock wave, and an important mean is provided for deep and quantitative research of industrial dust explosion.
Description
technical field [0001] The invention relates to the technical field of combustible dust explosion, in particular to a detection device and method for hoisting characteristics of deposited combustible dust. Background technique [0002] In the production process of various processing and processing combustible powder materials, there is often a certain thickness of combustible dust in the form of deposits in the production workshop and on the surface of the equipment, and such places are usually dust explosion hazardous places, where dust occurs The salient features of the explosion are: the harmful effect of the initial partial explosion is not significant, but the shock wave generated by the partial explosion makes the combustible dust itself in the form of deposits engulfed, mixed with air to form a larger range of combustible dust / air mixture, and the occurrence is more rapid. The violent secondary explosion has a much higher explosion intensity and influence range than t...
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IPC IPC(8): G01N15/00
CPCG01N15/00G01N2015/0003G01N2015/0046
Inventor 田莉王信群苏登孔丽丽高林杰
Owner CHINA JILIANG UNIV