岩金开采无底柱崩落采矿法的几个关键技术探讨  

Discussion on Several Key Technology of Block Caving Mining in Rock Gold Mining

作　　者：张维滨[1] 

机构地区：[1]云南黄金有限责任公司

出　　处：《现代矿业》2010年第5期18-22,共5页Modern Mining

摘　　要：对我国岩金矿山自21世纪初期开采缓倾角、低品位、破碎中厚矿体而采用无底柱分段崩落采矿法所发现的若干关键技术进行了探讨。包括:分段高度之确定,切割槽形成方法,凿岩爆破参数选择和优化,出矿进路支护,溜井步距,放矿技术等,对于具有普遍性的岩金矿床开采技术条件与矿山具体生产现状作了初步分析研究。Several key technology which discovered during the using of sublevel caving without sill pillar mining method of mine ore body which is gentle inclined、low grade、breaking medium thick from the early 21 century of China rock gold mine are discussed.Including : the confirm of sublevel height,formation method of incise groove,selection and optimization of drilling blasting parameter,support of extracted ore drift,pitch of orepass,ore drawing technology and so on,preliminary analysis and research are done on universal mining conditions of rock gold deposit and mine specific production situation,discussion with colleagues.

关 键 词：分段高度 切割槽 凿岩爆破参数 进路支护 溜井步距 放矿技术 岩金开采 

分 类 号：TD863[矿业工程—金属矿开采]