摘要
结合生产实际,阐述了近距离煤层煤柱下的开采方法,采用科学合理的支护技术维护顶板,保证了工作面的正常推进,提高了资源回收率。
Based on actual production, the author elaborates the mining method for near coal seam and coal pillar. The use of scientific and reasonable support technology to maintain roof can ensure the normal face forward, improve resource recovery.
出处
《河北能源职业技术学院学报》
2009年第2期64-66,共3页
Journal of Hebei Energy College of Vocation and Technology
关键词
近距煤层
煤柱
漏顶
钢针
支护
采煤工艺
调斜
near coal seam
coal pillar
roof leakage
pin
support
mining techniques
transfer ramp
