汪沟煤矿9号煤层可采性分析

Recoverability Analysis on No.9 Seams of Wanggou Coal Co.,Jiexiu

通过井下实地调查,综合分析了汪沟煤矿9号煤层原始沉积厚度、后期煤层自燃、下伏10号煤层开采引起冒落综合影响,导致9号煤层不可采。

Through the field study in No.9 coal seam in Wanggou mine,the author analyzes its original sedimentary thickness,later spontaneous combustion,and roof falling caused by mining of the lower No.10 seam.The findings indicate that No.9 seam is not recoverable.