摘要
"三软"煤层工作面因煤质松软,围岩强度低等原因在回收过程中极易发生煤壁片帮和顶板冒漏。针对该问题,通过采用铺网-上绳工艺有效地控制了顶板,同时结合必要的安全辅助措施,保证了21030综采工作面的安全、快速回收。
Aiming at the problems of rib fall and roof collapse at working face with three--soft coal seam course of recovery caused by soft coal quality and low rock strength, the author introduces the lapping--laying technology with necessary safety assistant measure to control the roof effectively, which has ensured the safe and rapid recovery of 21030 fully mechanized face.
出处
《江西煤炭科技》
2014年第3期74-75,共2页
Jiangxi Coal Science & Technology
关键词
“三软”煤层
回收
顶板控制
安全措施
three soft coal seam
recovery
roof control
safetymeasures
