Self-pressure type quick start continuous water spray explosion-prevention and explosion suppression system

Abstract

The invention relates to a self-pressure type quick start continuous water spray explosion-prevention and explosion suppression system. The system comprises a ground surface water supply mechanism, a main water supply pipeline and more than one branch water supply pipelines, wherein the ground surface water supply mechanism comprises a water tank; one end of the main water supply pipeline is communicated with the lower part of one side of the water tank, and the other end of the main water supply pipeline is communicated with more than one branch water supply pipelines; an electric valve B, awater pressure controller B, a filter C, a fine filter, a gate valve D and an explosion-prevention quick start mechanism are connected to each branch water supply pipeline in series; more than two water mist nozzles are connected to the other end of each branch water supply pipeline in parallel; the explosion-proof quick start mechanism is composed of an inerting starting valve, an explosion suppression starting valve and a gate valve E which are connected in parallel; a gas density sensor is arranged on the inerting starting valve; and a gas explosion sensor is arranged on the explosion suppression starting valve. According to the self-pressure type quick start continuous water spray explosion-prevention and explosion suppression system disclosed by the invention, the purposes of preventing explosion by means of inerting gas that reaches explosion limit and is not ignited and stopping explosive flame propagation by means of suppressing the flame of the gas explosion are realized.

Description

technical field [0001] The invention belongs to the technical field of combustible gas explosion prevention and suppression, and relates to a self-pressurized quick-start continuous water spray explosion-proof explosion-suppression system. Background technique [0002] The current underground explosion suppression systems or devices in coal mines only have the function of suppressing explosions, but have no function of preventing gas explosions. Underground explosion suppression technology in coal mines can be divided into passive explosion suppression and active explosion suppression. Passive explosion-proof shed is the most common passive explosion suppression device. It uses explosion dynamic pressure to throw explosion suppressant (rock powder or water). Therefore, passive explosion-proof shed is only suitable for suppressing explosion dynamic pressure greater than 18kPa and flame propagation speed greater than 100m / s. Gas and coal dust explosion, and can only be instal...

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Problems solved by technology

[0003] In view of the problems existing in the existing explosion suppression system and explosion suppression device, in order to overcome the lack of prevention of gas explosion in the existing technology, the release time of the explosion suppression agent and the arrival time of the explosion flame are difficult to synchronize or even lag behind, the explosion suppression agent cannot be continuously released, and it is difficult to suppress the subsequent explosion. The disadvantage of the explosion flame, the present invention uses cheap water as the detonation agent, uses the water pressure difference generated by the height difference between the ground and the underground, and atomizes the water into fine water mist based on the principle of high-pressure atomization, and combines the rapid start technology to provide a A Self-pressurized Rapid Start Continuous Water Spray Explosion-proof Explosion-Suppression System

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