现代矿业
現代礦業
현대광업
Express Information of Mining Industry
2011年
6期
13-15
,共3页
谢火明%阳雨平%任建平%邓良%吴广宇
謝火明%暘雨平%任建平%鄧良%吳廣宇
사화명%양우평%임건평%산량%오엄우
破碎不稳固矿体%倾斜中厚矿脉%分段崩落法
破碎不穩固礦體%傾斜中厚礦脈%分段崩落法
파쇄불은고광체%경사중후광맥%분단붕락법
Fractured and unstable orebody%Inclined medium thick orebody%Sublevel caving
以凤凰山银矿为背景,分析了现采矿方案存在的问题,提出了急倾斜中厚矿体在围岩不稳定的条件下,沿走向布置回采进路的无底柱分段崩落法。优化了采场的结构参数,保证了出矿进路靠近下盘布置,增加了崩落矿石的流动范围,减少了下盘残留,提高了矿石回收率。
以鳳凰山銀礦為揹景,分析瞭現採礦方案存在的問題,提齣瞭急傾斜中厚礦體在圍巖不穩定的條件下,沿走嚮佈置迴採進路的無底柱分段崩落法。優化瞭採場的結構參數,保證瞭齣礦進路靠近下盤佈置,增加瞭崩落礦石的流動範圍,減少瞭下盤殘留,提高瞭礦石迴收率。
이봉황산은광위배경,분석료현채광방안존재적문제,제출료급경사중후광체재위암불은정적조건하,연주향포치회채진로적무저주분단붕락법。우화료채장적결구삼수,보증료출광진로고근하반포치,증가료붕락광석적류동범위,감소료하반잔류,제고료광석회수솔。
The existing problems of the mining scheme in Fenghuangshan silver mine were analysis.Sublevel caving of the arrangement of mining entrance along the run of the ore vein has been offered when the steeply inclined medium thick orebody was under the instability of the surrounding rock mass.The structure parameter in the stope was optimized.The entrance of ore removal is enabled to be close to footwall arrangement,and the scope of the flow of ore is made greater.Footwall residual amount is reduced and the ore recovery is raised.
