大斗沟矿近距离煤层工作面采空区火灾治理实践

Practice of fire control in goaf of close coal seam working face in Dadougou Mine

介绍了大斗沟矿近距离煤层工作面采空区火灾发生过程,分析了火灾产生的原因,针对现场实际情况制定了堵漏风、灌浆、注氮、火区隔离加固、喷洒阻化剂、增大停采煤柱等火灾防治的综合技术方法,快速恢复了工作面生产,保障了矿井安全。

The fire occurrence process of the goal in the close coal seam working face of Dadougou Mine was intro- duced, the causes of the fire were analyzed. The comprehensive technical methods of the air leakage plugging, grouting, nitrogen injection, fire zone isolation and reinforcement, spray resisting agent and increasing stop-coal pillar were formu- lated according to the actual situation on site, the production of the working face was quickly restored, and the safety of the mine was guaranteed.