论文部分内容阅读
急倾斜煤层赋存条件复杂,开采难度大,特别是开采4~8 m厚的急倾斜煤层一直以来都没有得到很好解决。介绍一种新型放顶煤液压支架,可以比较好地解决4~8 m急倾斜煤层的开采。
Steeply inclined coal seam has complex conditions and difficult exploitation, especially the steeply inclined coal seam with thickness of 4 ~ 8 m has not been solved well. A new type of caving hydraulic support is introduced, which can solve the mining of 4 ~ 8 m steep coal seam well.