摘要
通过在祁南煤矿3410工作面采空区沿走向布置测温传感器和取样束管,对采空区内温度和气样成分进行了测定和分析,根据氧气浓度划分自燃"三带"的标准,确定了3410工作面采空区自燃"三带"的范围,并在此基础上计算出该工作面的最低推进速度63.75 m/月。
The temperature and gas composition in goaf were determined and analyzed by installed temperature sensor and sampling strap tube along the strike in goaf of No. 3410 fully mechanized working face of Qinan Coal Mine. According to the standard of oxygen concentration divided spontaneous combustion ＂three zones＂ range, the range of spontaneous combustion ＂three zones＂ in goaf of the 3410 fully mechanized face was determined and the minimum advancing speed was 63.75m/month in terms of spontaneous combustion ＂three zones＂ width.
出处
《煤矿安全》
CAS
北大核心
2013年第5期180-182,186,共4页
Safety in Coal Mines
关键词
采空区
自然发火
O2浓度
温度分布
自燃“三带”
goaf
spontaneous combustion
oxygen concentration
temperature distribution
spontaneous eonbustion＂ three zones ＇
