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合理爆破方式是提高高岭土大块率的关键 被引量:6

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摘要 巷道掘进开采高岭土采用爆破施工时 ,开采的高岭土较碎 ,能够达到煅烧莫来石产品要求的 (粒径大于 2 5mm的大块矿石 )仅占 40 %~ 5 0 %左右。通过多个爆破方案试验比较 ,确定最佳炮眼布置和爆破参数 ,矿石大块率达到 75 %。
出处 《煤矿开采》 2001年第1期32-33,共2页 Coal Mining Technology
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