摘要
针对上下盘围岩不稳固的五龙金矿７６＃脉难采矿体，通过采用静态留矿法开采，配合全采场锚杆金属网工艺护盘技术，解决了在回采过程中安全问题和二次贫化过大的技术难题，提高了矿房生产能力，减轻了工人劳动强度，给矿山带来了可观的经济效益。
The country rocks in upper and lower walls of the orebody in No.76 vein of Wulong Gold Mine are unstable,so it is hard to mine.Employing static shrinkage method with the cooperation of the technique of protecting wall by means of metal strip bolt network in the whole stope,the question of safety and the difficult technical problem of too great secondary dilution are solved.As a result,the production capacity in the stope is improved ,the intensity of labor is reduced and the considerable economic benefits are brought about.
出处
《黄金》
CAS
北大核心
1999年第6期24-28,共5页
Gold
关键词
分段空场法
静态留矿法
金矿
采矿
难采矿体
secondary dilution
sublevel open stope method
static shrinkage method
protecting wall by means of metal strip bolt network
economic evaluation
