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Application on Driving Ways of Oblique Long-wall Mining Face in Shallow Hole Shrinkage Stoping
Author(s): 
Pages: 14-15
Year: Issue:  3
Journal: GANSU METALLURGY

Keyword:  伪斜工作面落矿方式回采率生产能力回采周期;
Abstract: 洛坝铅锌矿应用留矿采矿法,采用伪斜工作面推进方式,水平梯段式落矿,优化浅孔留矿法的落矿方式和结构参数,回采率达到95%以上,采场生产能力达到45t/d,缩短了回采周期,取得了较好的经济效果.
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