忻州地区特厚易燃煤层防灭火技术的探讨

Inquiring into the fire prevention and extinction technique used for spontaneous combustion of 5~# thicker coal seam in Xinzhou mining district

通过对忻州地区主采5#特厚易燃煤层发火原因及传统的黄泥灌浆防灭火技术的分析,提出并论证了采用先进的注氮惰化采空区防灭火技术的可行性和合理性。

Through analyses of the reasons of spontaneous combustion occured in 5~# thicker coal seam, Xinzhou mining district, and the fire prevention and extinction technique with traditional loess slurry-injection, this paper puts forward and proved the feasibility and reasonableness of using the advanced nitrogen-injection technique for making the gob or (and) fire area inert.