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本文针对孔庄煤矿以“提高回采率、减少资源丢失”为研究课题,在7353工作面回风巷推广使用窄煤柱沿空掘巷及巷道支护技术研究应用情况进行了阐述。
In this paper, aiming at the problem of “improving recovery rate and reducing resource loss” in Kongzhuang Coal Mine, this paper elaborates on the application of narrow coal pillar gob-side entry driving and roadway support technology in the return airway of 7353 working face.