第75卷第5期有色金属(矿山部分)2023年9月doi:103969/jissn1671G4172202305004典型急倾斜薄矿脉浅孔回采工艺优化张庆旭1,刘东锐2,3,李士超2,3(1.广西桂华成有限责任公司,广西贺州542800;2.长沙矿山研究院有限责任公司,长沙410012;3.国家金属采矿工程技术研究中心,长沙410012)摘要:浅孔留矿法适用于急倾斜薄至中厚矿体的回采,具有开采成本低、工艺简单等特点,但也存在安全风险高、人员长期在暴露顶板下作业等问题.珊瑚矿矿体属于典型的急倾斜薄矿体,在使用浅孔回采过程中,存在爆破块度大、采场结构参数不合理、顶板稳固性差等问题.通过理论分析、工程类比等方法及手段,优化采场结构参数、凿岩爆破工艺、支护工艺以及出矿设备,现场试验表明,优化后各项技术经济指标均得到较大的提升,为类似矿山提供良好的工程实践及理论基础.关键词:浅孔留矿;回采工艺;支护工艺;爆破工艺;优化研究;现场应用中图分类号:TD853文献标志码:A文章编号:1671G4172(2023)05G0022G05OptimizationofshallowholestopingtechnologyintypicalsteepthinveinsZHANGQingxu1,LIUDongrui2,3,LIShichao2,3(1GuangxiGuihuachengCo,Ltd,HezhouGuangxi542800,China;2.ChangshaMiningResearchInstituteCo,Ltd,Changsha410012,China;3.NationalMetalMiningEngineeringTechnologyResearchCenter,Changsha410012,China)Abstract:ShallowGholeShrinkagestopingissuitablefortheminingofsteeplyGinclinedthintomediumGthickorebody.Ithasthecharacteristicsoflowminingcostandsimpletechnology,butitalsohassomeproblems,suchashighsafetyrisk,andpersonnelworkingunderexposedroofsforalongtime.Shanhuoreisatypicalsteepthinorebody.Intheprocessofshallowholeextraction,therearesomeproblems,suchaslargeblastingblocks,unreasonablestopestructuralparameters,andpoorroofstability.Throughtheoreticalanalysis,engineeringanalogy,andothermethodsandmeans,thestopestructuralparameters,drillingandblastingtechnology,supporttechnology,andminingequipmentareoptimized.Varioustechnicalandeconomicindicatorshavebeengreatly...