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本文着重介绍克里沃罗格南部采选公司露天矿采用增大燃烧器喷嘴的临界截面、运用扩孔工艺和提高钻机时间利用率等措施,改善了火钻穿孔的技术经济指标。
This paper focuses on the improvement of the technical and economic indexes of fire drill perforation by adopting such measures as increasing the critical cross section of the burner nozzle, using the reaming process and improving the utilization ratio of the drilling machine in the open pit of the South Kicking Factory.