氮气防灭火技术在易燃特厚综放面启封及生产中的应用

Application of Fire Extinguishing Technique with Nitrogen Gas in Reopening and Production of a Fully Mechanized Extra-thick Inflammable Coal Face with Caving Mining

介绍了氮气防灭火技术的机理,并对千秋煤矿21181综放工作面运用压注氮气防灭火技术的可行性进行了分析,重点介绍了该矿氮气防灭火技术系统特点和在易燃煤层综放面启封、生产中的应用情况,以及取得的实际效果。

This paper gives a description of fire prevention and control mechanism with nitrogen gas and analyzed the feasibility of injecting nitrogen gas to prevent and control fires in 21181 fully mechanized face in Qianqiu Coal Mine. It also emphatically described the characters of fire extinguishing technique with nitrogen gas and its application in reopening and production of the fully mechanized inflammable coal face with caving mining as well as its actual effectiveness.