| 无底柱分段崩落法合理放矿方式探讨 |
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| 引用本文： | 胡杏保,牛有奎. 无底柱分段崩落法合理放矿方式探讨[J]. 金属矿山, 2004, 0(2): 8-10 |
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| 作者姓名： | 胡杏保 牛有奎 |
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| 作者单位： | 马鞍山矿山研究院;桃冲矿业公司 |
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| 摘 要： | 在对无底柱分段崩落法采场出矿的现行截止品位放矿、低贫化放矿、无贫化放矿等方式的工艺特点、贫化形成过程比较的基础上，分析了3种放矿工艺的应用指标及可能对矿山生产产生的问题，最后认为低贫化放矿工艺是矿山降低贫化有效方式。
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| 关 键 词： | 无底柱分段崩落法 低贫化放矿 无贫化放矿 |
Rational Ore Drawing in Pillarless Sublevel Caving |
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| Hu Xingbao. Rational Ore Drawing in Pillarless Sublevel Caving[J]. Metal Mine, 2004, 0(2): 8-10 |
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| Authors: | Hu Xingbao |
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| Affiliation: | Hu Xingbao(Maanshan Institute of Mining Research) Niu Youkui(Taochong Mining Company) |
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| Abstract: | Based on the comparison of the technological characteristics and the dilution formation process of the current modes of cut-off grade drawing, low dilution drawing and dilutionless drawing used in ore drawing in pillarless sublevel caving, the applied index of the three drawing technologies and the problems caused by them to the mine are analysed. Finally, law dilution drawing technology is considered to be the effective way to reduce the dilution. |
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| Keywords: | Pillarless sublevel caving Low dilution drawing Dilutionless drawing |
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