Modernized teaching device capable of simulating gas explosion effect and control method thereof

Abstract

The invention relates to a modernized teaching device capable of simulating the gas explosion effect and a control method thereof. The device comprises an explosion reaction container, and an inert gas storage cylinder, a methane storage cylinder and a vacuum pump which are communicated with the explosion reaction container through valves; the teaching device further comprises an ignition controller, an ignition electrode, a plurality of sensors, a data collecting module and a simulation effect display screen; the ignition electrode is connected into the explosion reaction container to make contact with an explosion medium, and the ignition electrode is further connected with the ignition controller outside the explosion reaction container; the multiple sensors are connected into the explosion reaction container, connected with the data collecting module and the simulation effect display screen outside the explosion reaction container and used for conveying the collected data to the data collecting module and displaying the collected data on the simulation effect display screen. By means of the vacuuming mode, air inside the explosion reaction container can be extracted, and then the gas concentration for the gas explosion reaction can be rapidly prepared according to the set gas concentration.

Description

technical field [0001] The invention relates to the field of gas disaster prevention and utilization, in particular to a modern teaching device for simulating gas explosion effects and a control method thereof. Background technique [0002] The existing experimental demonstration device for simulating a gas or gas-coal dust explosion in an underground coal mine tunnel satisfies the demand for an experimental demonstration device for simulating a gas or gas-coal dust explosion in an underground coal mine tunnel. Inject methane gas and coal dust into the explosion chamber. When the pressure in the explosion chamber is equal to the external atmospheric pressure, the high-energy ignition cabinet controls the ignition electrode on the explosion chamber to ignite, so as to realize the explosion experiment of gas and gas-coal dust. The gas after the explosion diffuses out through the gas explosion diffusion pipeline and the gas explosion diffusion branch. The pressure sensor and f...

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Problems solved by technology

[0004] (1) The corresponding data can only be obtained through the pressure or temperature sensor, and the subsequent analysis of the value; the simulation effect diagram of the gas explosion cannot be directly observed

[0005] (2) The gas distribution process of the existing device is cumbersome. When multiple gases are mixed, the gas source needs to be replaced several times for gas distribution, and the gas distribution error is relatively large

[0006] (3) The structure of the device is single, and the data collection is mainly based on a single collection of overpressure, temperature, and flame, and joint collection is rare and no noise collection is seen

[0007] (4) The existing device cannot analyze the residual gas components in the explosion container after the gas explosion

[0008] (5) The volume of the device is too large, the operation is complicated, a large amount of experimental gas or other materials are wasted, and the risk is relatively high

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