1) long wall mining method
长壁采煤法
1.
In the upper seam of close distance coal seams pillar mining method is utilized,and in the underneath seam prepared to be mined long wall mining method is utilized.
近距离煤层的上部煤层采用刀柱采煤法回采后,下部煤层采用长壁采煤法进行回采。
2) inclined long-wall mining
倾斜长壁采煤法
1.
In order to reduce roadway digging amount,decrease roadway digging rate,the article discusses the ways of decreasing the roadway digging rate that increase size of mining area and increase the length of working face,the method of inclined long-wall mining,up-pit and down-pit mining,retaining roadways along goaf,and so on.
为了减少巷道掘进工程量,降低巷道掘进率,论述了加大采区尺寸和增加工作面长度,倾斜长壁采煤法,上下山联合开采,沿空留巷,机轨和一和机轨合一上(下)山等具体的降低巷道掘进率的方法,这些先进的采煤技术的应用,增加采区服务年限,保证矿井生产采区的正常接续,同时可降低生产成本,提高企业的经济效益。
3) longwall fully mechanized top coal caving method
长壁综采放顶煤采煤法
4) longwall shearer
长壁采煤机
5) longwall remaining coal pillars support mining
长壁留煤柱支撑法开采
1.
Existing problem on longwall remaining coal pillars support mining;
长壁留煤柱支撑法开采存在的问题
2.
This article tries to summarize experiences of the small collieries in mining shallow coal seam in north of Shanxi Province, and suggests to reform unadvanced mining of room and pillar to longwall remaining coal pillars support mining which can largely inprove the coal recovery rate.
在总结陕北煤田小煤矿开采浅部煤层经验的基础上, 建议将落后的房柱式改革为长壁留煤柱支撑法开采, 以较大幅度提高采出率。
6) longwall mining method
巷道长壁式采煤法
1.
The application of extraction conditions and longwall mining method in 1 # shaft,No 1 Coal Mine, Mishan is introduced And it also points out the advantages and disadvantages of i
介绍了密山一矿一井四斜的矿井条件及巷道长壁式采煤方法在密山煤矿的良好应用效果 ,并指出了巷道长壁式采煤法的优缺点。
补充资料：倾斜长壁采煤法
见壁式采煤法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条