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A Dust Testing Experimental System in Ventilation Flow Field

A technique for testing experiments, ventilation flow, used in measuring devices, analysis of suspensions and porous materials, instrumentation, etc.

Active Publication Date: 2018-10-02
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, how to effectively test the dust in the ventilation flow field, analyze the change law of the dust concentration caused by the air flow distribution, and study the sedimentation law of dust with different particle sizes in the confined space is still a technical blank for those skilled in the art

Method used

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  • A Dust Testing Experimental System in Ventilation Flow Field
  • A Dust Testing Experimental System in Ventilation Flow Field
  • A Dust Testing Experimental System in Ventilation Flow Field

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Embodiment Construction

[0055] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0056] Such as figure 1 As shown, the embodiment of the present invention also provides a dust test experimental system for a ventilation flow field, including an annular air duct 100 and a branch air duct 200 connected to the middle of the annular air duct (see for details figure 2 The schematic diagram of the partial structure); and the dust test experimental system of the ventilation flow field also includes four groups of dust concentration sensor components 1, multiple data acquisition instruments 2, dust removal module 3, dust storage tank 4, speed regulating motor 5, Fan 6, three wind speed sensors 7, adjustment knob 8 (see also Figure 5 ), sampling port 9 (see also image 3 ), two dampers 10;

[0057] Among them, the connection mode, positional relationship and structural layout of the above-mentioned ...

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Abstract

The invention discloses a dust testing experiment system of a ventilation flow field. The dust testing experiment system of the ventilation flow field comprises an annular air duct and a branch air duct communicated with the middle of the annular air duct; the dust testing experiment system of the ventilation flow field further comprises four sets of dust concentration sensor assemblies, data acquisition instruments, a dedusting module, a dust storage tank, a speed adjusting motor, a fan, three air velocity sensors, an adjusting knob, sampling openings, control dampers and the like. By means of the dust testing experiment system of the ventilation flow field, research on an air flow distribution dust concentration change rule and a settlement rule of dust with different particle sizes in a closed space is facilitated, and a powerful practice platform is provided for the research on dust detection and dust prevention and control technologies of the ventilation flow field.

Description

technical field [0001] The invention relates to the field of dust test experiments, in particular to a dust test experiment system for a ventilated flow field. Background technique [0002] Flow Field: The space occupied by fluid motion is called flow field. [0003] In daily production work, there are many working environments that will generate a lot of dust; for example: in the mine mining process, various processes will generate a lot of dust, and the dust concentration is sometimes high and low. Workers working in this environment will definitely inhale A large amount of dust leads to pneumoconiosis. According to coal mine statistics, the average number of underground workers who die of pneumoconiosis every year is about twice that of the above-ground workers in the same period. In addition, dust is explosive, which seriously threatens mine safety. To this end, effective measures must be taken to control the diffusion and flying of dust, so that the dust concentration ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/06G01N15/04
Inventor 裴晓东陈树亮何书建王凯马伟南
Owner CHINA UNIV OF MINING & TECH
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