摘要
对大南湖一矿缓倾斜易自燃大断面工作面开采,煤层低温氧化严重,自然发火期短,因此对回撤时间要求严格。本次回撤采取了端头顶板加强管理,以液压支架作为掩护、支护撤出迎头区域,停采前后采取了综合防灭火管控技术,实现了1302工作面快速高效回撤。
In view of the mining of gentle dip and easy spontaneous combustion face with large section in Dananhu No.1 Mine,serious low-temperature oxidation and short spontaneous combustion period in the coal seam requires strict withdrawal time. The retracement realizes the quick and efficient retreat of 1302 working face by strengthening the roof management, taking hydraulic support as shield, withdrawing support in heading area, using comprehensive fire prevention and control technology before and after mining.
出处
《煤矿安全》
北大核心
2017年第11期100-102,106,共4页
Safety in Coal Mines
关键词
易自燃
大断面
低温氧化
综合防灭火
管控技术
spontaneous combustion
large section
low temperature oxidation
comprehensive fire prevention
management and control technology
