摘要
F9305工作面位于采空区松散煤体中,松散煤体局部破碎易出现冒顶现象,且存在自然发火隐患,回采期间采取加强支护和综合防灭火措施,实现了安全生产。
The F9305 working face is located in the loose coal body of the goaf area, which is prone to roof fall when the loose coal body is broken locally, and there is a hidden danger of spontaneous combustion. Strengthening support and comprehensive fire prevention and extinguishing measures are taken during mining to achieve safety in production.
作者
蒋志龙
贾秀春
闫春来
Jiang Zhilong;Jia Xiuchun;Yan Chunlai(Shandong Yanzhou Datong Coal Industry Co.,Ltd.,Shandong Jining 272100)
出处
《山东煤炭科技》
2022年第12期53-54,共2页
Shandong Coal Science and Technology
关键词
复采
支护
防火
re-mining
support
fire prevention
