摘要
郑煤集团公司白坪煤矿二1煤层为典型的三软煤层,采用综采低位放顶煤的回采方法,不仅解决了煤壁片帮问题,降低了工人劳动强度,还使该矿获得了较大的经济效益,是实现综采高产高效矿井的必经之路。
The coal seam is the typical three soft coal seam in Baiping Coal Mine. Through the application of fullymechanized low level top coal caving technics in coal mine, rib spalling problem of the coal wall was solved,labor intensity of workers was also reduced. The application of lowlevel top coal caving technics has gained great economic benefit to the coal mine,and has achieved the high pro duction and high efficiency of coal mine using fullymechanized mining technics.
出处
《中州煤炭》
2013年第12期45-47,共3页
Zhongzhou Coal
关键词
三软煤层
低位放顶煤支架
高产高效
three soft coal seam
supports of low-level top coal caving
high production and high efficiency
