元金煤矿井工开采转露天开采可行性研究 .pdfVIP

学兔兔 2013年第3期 煤 炭 工 程 doi：10．1 1799／ce201303006 元金煤矿井工开采转露天开采可行性研究 侯进山 (山西煤炭运销集团元金煤业有限公司，山西孝义 032307) 摘 要：文章分析了元金矿采取露天开采和井工开采时的回采率、服务年限及开采条件，提 出元金矿由井工开采转为露天开采方案，并结合元金矿实际的地质条件与生产条件，从技术和经 济两方面对露天开采的可行性进行了论证，分析表明元金矿采用露天开采具有明显的优势，该研 究对我国煤炭资源开发过程中资源条件适合的矿山实施井工转露天开采具有现实意义。 关键词：井工转露天；露天矿；回采率；剥采比；可行性 中图分类号：TD214 ．1 文献标识码：B 文章编号：1671—0959(2013)03．0017-03 Study on Feasibility of UndergrOund Mining Turned to Surface Mining in Yuanjin Mine HOU Jin—shan (Yuanjin Coal Company Ltd．，Shanxi Coal Transpiration and Sales Group，Xiaoyi 032307，China) Abstract：The paper analyzed the mining recovery rate，service life and mining conditions of the surface mining and the underground mining conducted．The paper provided that Yuanjin Mine should turn the underground mining to the surface mining．In combination with the actual geological condition and the production condition in Yuanjin Mine，from the technical and economic aspects．the verification was conducted on the feasibility of the surface mining．The analysis showed that the surface mining applied to the mine would have remarkable advantages．The study would have practical significances to turn the underground mining to the surface mining in mines with suitable resources conditions during the coal resource development process in China． Keywords：underground mining turned to surface mining；surface mine；mining recovery rate；feasibility 山西煤炭运销集团元金煤业有限公司是由4个生产矿 2730万t)，采空区动用资源／储量1259万t。 井和2个关闭矿井兼并整合而成，兼，重组后矿区面积 1)采用井工方式开采，可利用面积约为1．28km ，位 8．1879km ，新增矿区面积 3．7223km ，批准开采 9+10+ 于矿田中部赋煤区域，其余部分受采空区、巷道