Explosion Water Mist Fire Extinguishing Mechanism And Fire Extinguishing Effect Factors

Explosion water mist extinguishing fire is a new kind of way. It uses explosive energy to drive and scatters water into mist? which uses for fire fighting. Compared to the existing fire extinguishing method such as fine water mist fire extinguishing, aircraft sprinkler fire-extinguishing etc. explosion water mist fire extinguishing is characteristic of high efficiency and easy use, low cost clean environmental protection and long distance delivery, which can be used in the forest and grassland fire fighting and rescue, especially in the situation of small area and difficult to close to fire, such as toxic and radioactive environment. So, this fire extinguish has broad application prospects in forest fire and coal mine gas deflagration etc. This paper through the explosive thrown sprinkle water to form a mist of the influencing factors analysis, extinguishing mechanism analysis, of explosion fire extinguishing technology is detailed discussed, to formulate feasible ways of fire extinguishing technology and developed more reasonable fire extinguishing bomb loaded drug structure has a theoretical significance.In this paper, by using thermocouple and infrared thermometer studied the interaction of water mist with fire explosion, measuring the explosion temperature changes in the process of interaction between water mist and the fire, using a digital camera records the explosion in the process of interaction of water mist fire with a benchmark image. Using orthogonal test method to explore water quantity, water bag height and the Angle between the water and fire on explosion scatters water fire extinguishing effect of medium. At the same time, this paper calculated the parameters of water mist explosion, analyses the function mechanism of water mist explosion and fire, thinks the role of water mist fire from the blast and explosive water mist from two aspects:the former mechanism is complex, the strong shock wave has inhibitory effect on combustion, stimulates weak shock wave to burn; Water mist can strongly inhibit combustion explosion, in addition to cooling and oxygen asphyxiation insulation mechanism, the explosion spray speed the ambassador has great momentum, can through the smoke directly impact on the oil level of oil pool fire.