Mining explosion suppression rain curtain

Abstract

A mining explosion suppression rain curtain includes a pipeline; a power supply is connected to a controller; one end of the controller is connected to a flame sensor, and the other end of the controller is connected to a starter; the starter is arranged on an explosion suppression valve; one end of the explosion suppression valve is connected to a pressure storage tank, the pressure storage tank is connected to a water pump, and the other end of the explosion suppression valve is connected to a rain curtain. The flame sensor sends a sensed signal to the controller; the controller controls the starter, and the starter controls the explosion suppression valve to be opened; after the explosion suppression valve is opened, the pressure of water is accumulated through the pressure storage tank, and the water is sprayed through the rain curtain. The mining explosion suppression rain curtain can prevent the phenomenon that flame cannot be completely extinguished due to fast flame propagation caused by strong explosion impact force, and is high efficient and cheap.

Description

technical field [0001] The invention belongs to the field of explosion-proof technology for coal mines, and in particular relates to an explosion-proof rain curtain for mines. Background technique [0002] Coal mine is one of the important energy sources in our country. Coal mining is a method of absorbing coal energy. In the process of coal mining, there are many factors involved in various aspects, especially in the process of mining, with the leakage of gas, and the sparks generated by friction during mining Generally, it will not cause gas detonation, but because the concentration of gas exceeds 8%, the concentration of coal dust is likely to cause explosions in waterways. At this stage, the explosion suppression of roadways is divided into several layers, and the materials used are different. Usually, ultra-fine dry powder and other materials are used. , the long-term reserve is easy to get damp, and because the impact force generated by the explosion is very large, one...

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Problems solved by technology

[0002] Coal mine is one of the important energy sources in our country. Coal mining is a method of absorbing coal energy. In the process of coal mining, there are many factors involved in various aspects, especially in the process of mining, with the leakage of gas, and the sparks generated by friction during mining Generally, it will not cause gas detonation, but because the concentration of gas exceeds 8%, the concentration of coal dust is likely to cause explosions in waterways. At this stage, the explosion suppression of roadways is divided into several layers, and the materials used are different. Usually, ultra-fine dry powder and other materials are used. , the long-term reserve is easy to be damp, and because the impact force generated by the explosion is very large, one layer of explosion suppression cannot achieve the desired effect, so it is necessary to install multiple layers of explosion suppression in the roadway to prevent chain explosions in the roadway

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