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Five Reasons for High Mass Output Rate in Open-pit Mines

Release date:2018-11-21  source:中南选矿网  Browse times:917
       露天矿山大块产出率高的原因是什么? (1)最小抵抗线或孔距过大.炸药量不足。 (2)装药重心过低,台阶上部矿岩未能充分破碎。 (3)深孔偏斜,偏离设计的爆破作的参数位置。 (4)炮孔严重变形、错位、弯曲以及落渣堵孔等,导致装药量严重不足。 (5〕在节理裂隙发育的矿体中,用微差雷管起爆时可能使临沂炮孔的药包脱落.发生拒爆

 
 
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