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Shock tube type combustible gas explosion experiment device

A gas explosion and experimental device technology, which is applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of high airtightness requirements, complicated operation procedures, and high cost of non-visible processing, and achieve low cost and simple operation. Effect

Inactive Publication Date: 2013-02-13
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] In order to overcome the shortcomings of existing gas explosions, such as high airtightness requirements for test equipment, complex operating procedures, non-visibility, and high processing costs, the present invention provides a simple operation, visible explosion process, and low cost at room temperature. Shock tube combustible gas explosion experimental device operating under pressure

Method used

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  • Shock tube type combustible gas explosion experiment device

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Embodiment Construction

[0017] refer to figure 1 , a shock tube type combustible gas explosion experiment device, comprising a tubular explosion test tube 11, the explosion test tube 11 is horizontally erected on a support 8, the front end of the explosion test tube 11 is open and is provided with an explosion-proof film that seals the opening , the explosion test cylinder 11 is connected with a gas supply device that injects combustible gas at normal temperature and pressure into the cylinder cavity, and the explosion test cylinder 11 is provided with a pressure sensor 2 that senses the pressure in the cylinder and monitors the gas concentration in the cylinder. The igniter 10 that ignites the gas in the cylinder, the pressure sensor 2 is connected with the display module that displays the pressure value in the cylinder, and the rear end of the explosion test cylinder 11 is sealed.

[0018] Further, there are three pressure sensors 2, which are respectively arranged at the front end, the middle end ...

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Abstract

The invention discloses a shock tube type combustible gas explosion experiment device. The device comprises a tubular explosion test barrel, wherein the explosion test barrel is transversely arranged on a bracket; an opening and an explosion-proof membrane for sealing the opening are arranged at the front end of the explosion test barrel; the explosion test barrel is connected with a gas supply device for injecting normal-temperature normal-pressure combustible gas into an inner cavity of the barrel; the explosion test barrel is provided with a pressure sensor for sensing pressure in the barrel, a monitor for monitoring gas concentration in the barrel and an igniter for igniting gas in the barrel; the pressure sensor is connected with a display module for displaying a pressure value in the barrel; and the rear end of the explosion test barrel is sealed. The device disclosed by the invention is simple to operate and low in cost, and can replay the flame state at the moment of explosion and display the pressure change in the explosion barrel and the explosion sound.

Description

technical field [0001] The invention relates to a shock tube type combustible gas explosion experiment device. Background technique [0002] In the National Medium- and Long-Term Science and Technology Development Plan (2006-2020), "development of major industrial accident prevention and control and rescue technologies and related equipment such as combustion, explosion, and poison leakage" is listed as one of the priority development topics in public safety . In the process of industrial production, especially in chemical production enterprises, combustible gas has been widely used. During the storage, transportation and use of combustible gas, fire and explosion accidents caused by the mixture of combustible gas and air often occur, which seriously endanger people's lives. Property has brought immeasurable damage. Therefore, in-depth research on the characteristics of gas explosions is extremely necessary for the control and prevention of accidents caused by them. [00...

Claims

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Application Information

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IPC IPC(8): G09B23/24
Inventor 李振明康泉胜朱建芳
Owner ZHEJIANG UNIV OF TECH
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