摘要
论述了π放工作面高压注水,两巷道打孔注水,工作面软帮喷洒阻化剂MgCI2,等防尘、防火技术的应用。
Application of dust proof and extinguish technology for π fall roof working surface by injecting water and high pressure, drilling in two runnels and spraying of MgCI2 to soft ect. coalwall face, are discussed.
出处
《煤炭技术》
CAS
2007年第5期85-86,共2页
Coal Technology
关键词
防尘
防火
高压注水
阻化剂
dust proof
fire extinguish
injecting water by high pressure
paralysant