摘要
分析了确定综采放顶煤开采工艺易发火地区及发火原因。介绍了在开采中注氮、合理确定供风量、调整风后 ,封闭、灌浆。
The easy ignition area in compound mining caving coal process and reason are analyzed and determined.The prevention measures are introduced,which are pouring into N in mining process,reasonably determining air supply amount,adjusting air pressure,grouting,irrigating water et al.
出处
《煤炭技术》
CAS
2000年第5期37-39,共3页
Coal Technology
关键词
自然发火
综采放顶煤开采
防火
灭火
compound mining
spontaneous ignition
prevention fire
