第38卷第4期2023年8月DOI:10.13235/j.cnki.ltcm.2023.04.002董志龙,孙进步,王宏健,等,将军戈壁二号露天煤矿采区间留沟参数优化研究[J].露天采矿技术,2023,38(4):7-9.DONGZhilong,SUNJinbu,WANGHongjian,etal,3Dmodelofopen-pitironmineminingareabasedon移动扫码阅读improvedSIFTalgorithm[JJ.OpencastMiningTechnology,2023,38(4):7-9.露天采矿技术OpencastMiningTechnologyVol.38No.4Aug.2023将军戈壁二号露天煤矿采区间留沟参数优化研究董志龙,孙进步,王宏健,车志翔(新疆天池能源有限责任公司,新疆昌吉831100)摘要:露天矿相邻2个采区平行推进时,可在首采区相邻端帮处留沟内排,将极大地减少二采区重复剥离费用,带来良好的经济效益。以将军戈壁二号露天煤矿首采区和二采区为研究对象,综合分析矿山采剥工程情况,确定留沟时间及留沟参数,综合对比留沟后增加的剥离运费及减少的二次剥离费用,测算出采区间留沟的综合收益为3.8亿元,经济效益显著。关键词:内排;留沟深度;相邻采区;重复剥离;经济性分析中图分类号:TD672StudyonoptimizationofditchretentionparametersbetweenminingareasinJiangjunGobiNo.2Abstract:Whentwoparallelopen-pitminingareasareadvancedinparallel,thedumpingcanbeleftintheadjacentendslopeofthefirstminingarea,whichwillgreatlyreducethecostofrepeatedstrippinginthesecondminingareaandbringgoodeconomicbenefits.ThisarticletakesthefirstminingareaandthesecondminingareaofJiangjunGobiNo.2Open-pitCoalMineastheresearchobject,comprehensivelyanalyzestheminingandstrippingengineeringsituationofthemine,anddeterminestheditchretentiontimeandditchretentionparameters.Wecomprehensivelycomparetheincreasedstripingfreightandreducedsecondarystrippingcostafterditchretention,andcalculatethecomprehensiveincomeofditchretentionintheminingareais380milionyuan,withsignificanteconomicbenefits,Keywords:innerdumpingiditchdepth;adjacentminingareaire-strippingstrippingieconomicanalysis近年来,我国大力发展西部露天煤炭资源,露天矿在煤炭产量中占比不断增大,而露天矿开采在设计初期,为了使整个服务周期内产生的经济效益和生产效率最优,通常采用分区开采的形式11-21。在露天矿扩帮扩能、采区转向及并行采区平行开采时,为了减小后行采区的剥离量,会采用先行采区在内排...