无底柱分段崩落法在某铁矿中的应用  

Application of Sublevel Caving Method without Sill Pillar in an Iron Mine

作　　者：门建兵 齐炎 MEN Jianbing;QI Yan(China Nerin Engineering Co.,Ltd.,Nanchang,Jiangxi 330038,China)

机构地区：[1]中国瑞林工程技术股份有限公司

出　　处：《有色冶金设计与研究》2019年第6期4-6,共3页Nonferrous Metals Engineering & Research

基　　金：江西省科技支撑项目(20111BBE50031)

摘　　要：某铁矿属走向长、厚度大,缓倾斜类矿体。根据矿床开采条件,选用无底柱分段崩落法回采方案。设计采场的长度、阶段高度分别为120 m、60 m,凿岩选用T-100型潜孔钻机,出矿选用3 m^3电动铲运机以扩大采场生产能力,减少矿石开采成本。实践表明,采用该采矿方法,生产能力大幅提高,成本也得到合理控制,达到预期运用效果,可为类似矿山的开采提供借鉴。A certain iron mine is classified as long-strike,thick and gently-inclined ore body.According to the mining conditions of the deposit,the sublevel caving method without sill pillar is selected.The length of the designed stope and interval of level are 120 m and 60 m respectively.T-100 down-hole drill is used for rock drilling and 3 m^3 electric scraper is used for ore withdrawal to expand the production capacity of the stope and reduce the mining cost of the ores.The practice shows that the application of this mining method can greatly improve the production capacity,reasonably control the cost,and achieve the expected application effect,which can provide reference for the mining of similar mines.

关 键 词：无底柱分段崩落法 采切工程 采场通风 技术经济指标 

分 类 号：TD853[矿业工程—金属矿开采]