Through the examples of 13405 stope in Qingciyao coal mime of Datong coal mine group Ltd, this paper describes the method of controlling hazard gas leak by adjusting ventilation network.

• 以大同煤矿集团公司青磁窑煤矿13405工作面为例,介绍了通过调整局部通风系统,控制回采工作面有害气体泄出的方法。