Device for testing explosion, spreading and explosion suppression characteristics of inflammable gas and dust

A dust explosion and characteristic testing technology, which is applied in the direction of material explosion, can solve the problem of multiple testing functions, and achieve the effect of multiple testing functions, solving air tightness and reasonable design

Inactive Publication Date: 2009-11-11
XIAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a test device for flammable gas, dust explosion, propagation and explosion suppression characteristics in view of the deficiencies in ...

Method used

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  • Device for testing explosion, spreading and explosion suppression characteristics of inflammable gas and dust
  • Device for testing explosion, spreading and explosion suppression characteristics of inflammable gas and dust

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Embodiment Construction

[0036] like figure 1 , figure 2 As shown, the present invention includes an explosion test pipeline 1, a gas distribution system 3 and a powder spraying system 4 respectively communicated with the explosion test pipeline 1, and an ignition system 2 for igniting the combustible gas or dust passing into the explosion test pipeline 1 , a data test collection system and an upper computer 5 connected with the data test collection system. The ignition system 2 includes a high-energy igniter and an ignition electrode 2-1 connected to the high-energy igniter, and the ignition electrode 2-1 is installed on the explosion test pipeline 1 . The explosion test pipeline 1 is composed of multiple sections of pipelines which are sequentially sealed and connected, which is the main part of the whole testing device. In this embodiment, two adjacent sections of the multi-section pipelines are connected by flanges, and the joints of the flanges are sealed with lens gaskets.

[0037] The data ...

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Abstract

The invention discloses a device for testing explosion, spreading and explosion suppression characteristics of inflammable gas and dust, which comprises an explosion test pipeline, a gas distribution system and a powder spraying system communicated with the explosion test pipeline respectively, an ignition system for igniting the inflammable gas or dust introduced into the explosion test pipeline, a data test acquisition system, and a host computer connected with the data test acquisition system, wherein the data test acquisition system comprises a sensor group distributed on the explosion test pipeline, a signal conditioner and a dynamic data acquisition analysis system. The device has the advantages of reasonable design, simple and convenient operation and use, more test functions and good test effects, and can effectively solve various practical problems of the prior experimental devices.

Description

technical field [0001] The invention belongs to the technical field of flammable gas or dust explosion, propagation characteristics and explosion suppression characteristics, and in particular relates to a test device for flammable gas, dust explosion, propagation and explosion suppression characteristics. Background technique [0002] At present, there are mainly the following technical problems in the determination of combustible gas or dust explosion, propagation characteristics and explosion suppression characteristics: first, the existing experimental equipment mainly measures the explosion limit and the explosion pressure curve in the explosion process, while the The temperature and flame propagation velocity during the explosion cannot be determined more accurately. Second, the pressure bearing capacity of the existing experimental devices is relatively small, and generally they can only conduct experiments under normal temperature and pressure, and cannot complete th...

Claims

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Application Information

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IPC IPC(8): G01N25/54
Inventor 邓军葛岭梅罗振敏王华程方明文虎
Owner XIAN UNIV OF SCI & TECH
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