新景矿自燃煤层末采期间防灭火技术

Fire Prevention and Extinguishing Technology During the Last Mining Period of Spontaneous Combustion Coal Seam in Xinjing Mine

新景矿15^#煤综放工作面遗留的采空区空间大,遗煤分布广,工作面同时布置走向高抽巷和低位抽采巷抽采瓦斯,造成采空区漏风严重,煤层易自然发火。针对以上问题,建立了"三位一体"的煤层防灭火监测监控系统,通过采空区定点测温技术监测出自然发火危险点,采取相应的防灭火安全技术措施,保障了工作面的安全生产。

The goaf left in the 15^# coal fully mechanized caving face of Xinjing Coal Mine has a large space and a wide distribution of coal.The goaf is arranged in both high and low level extraction roadways to extract gas,which causes serious air leakage in the goaf and the coal seam is prone to spontaneous combustion.In view of the above problems,a"three in one"coal seam fire-fighting monitoring system is established.Through the fixed-point temperature measurement technology in the goaf,the natural fire danger points are monitored,and the corresponding fire-fighting safety technical measures are taken to ensure the safe production of the working face.