某金矿削壁充填工艺基本研究方向  

Basic Research Direction of Power Waste-lifting Stoping for A Certain Gold Mine

作　　者：夏林 

机构地区：[1]福建紫金矿业集团信息部,福建龙岩364200

出　　处：《有色矿冶》2015年第4期10-12,共3页Non-Ferrous Mining and Metallurgy

摘　　要：我国某金矿开采资源的地质特点是“点多、面广、规模小、品位低”，矿山经过挖潜改造及改扩建工程建设，目前生产规模达到1000 t／d。其开发4个矿区：分别为碎石子、宽沟、尖草湾与流沙沟矿区。而开采的矿体大都是脉状石英脉型金矿床与赋存于二长花岗岩体内及内外接触带上的脉状蚀变岩型金矿床。矿体厚度一般在1．0～2．0m左右，个别在1．0m以下，所以4个采区都需要进行削壁充填法回采。在这样的矿体开采技术条件下，如何满足矿山生产需要，即要提高采场生产能力，又要降低作业成本，还要降低采矿损失贫化。本文企图在这方面进行技术分析，提出采用小直径钎头和炸药凿岩爆破，以其达到降低成本与规模生产之目的。The resources of a gold mine in our country has geological characteristics of more ore spots , extensive distribution , small scale and low -grade , after potential -digging revamping and expanding project , now the pro‐duction scale has reached to 1 000 t/d . The four developing mine fields are named Suishizi ,Kuanggou ,Jiancaowan and Liushagou respectively . The mining ore bodies are mostly vein quartz vein type gold deposit and vein altered rock type gold deposit which occurred in monzonitic granite body and inner and outer contact zone . The thickness of the ore body is generally 1 .0~2 .0 m , several is less than 1 .0 m . So the four developing mine fields all need to use the method of power waste -lifting stoping . Under such conditions of orebody mining technology , How to meet the needs of the mine production：Improving stope production capacity , reducing the operation cost , reducing the loss of mining dilution , the paper try to do some technical analysis on these needs . Small diameter drill bit and explosive drilling blasting is presented to reduce cost and for the purpose of the scale production .

关 键 词：岩金矿山 削壁充填法 小直径钎头凿岩爆破 降低采矿损失贫化 研究方向 

分 类 号：TD853[矿业工程—金属矿开采]