| 顶底板围岩不稳的缓倾斜中厚以上矿体的采矿新方案 |
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| 引用本文： | 丁钦贡.顶底板围岩不稳的缓倾斜中厚以上矿体的采矿新方案[J].化工矿物与加工,1992(5). |
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| 作者姓名： | 丁钦贡 |
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| 作者单位： | 北京科技大学 |
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| 摘 要： | 密集平行束孔落矿的底盘漏斗采矿方案的特点是:用密集严行束孔落矿;凿岩与出矿水平合二为一;实行“掘井、劈漏、落矿三位一体”的回采工艺。该方案结构简单、采切比低、工人劳动强度低,适于开采缓倾斜顶底围岩不稳固的中厚以上矿体。
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| 关 键 词： | 底盘漏斗落法 密集平行束孔落矿 |
A new mining program for gentle-inclined, medium thick and above orebody with unstable roof and floor |
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| Ding Qingong.A new mining program for gentle-inclined, medium thick and above orebody with unstable roof and floor[J].Industrial Minerals and Processing,1992(5). |
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| Authors: | Ding Qingong |
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| Affiliation: | University of Science & Technology Beijing |
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| Abstract: | The mining program of concentrated parallel bunch blast holes and floor-funnel mining features the ore blowing-down with concentrated parallel bunch blastholes.the drilling and haulage at same level, "three-in-one"actual mining of shaft drilling, funnel openingout and ore blowing-down. The program is suitable for mining the gentle- inclined, medium thick and above orebody with unstable roof and floor with advantages of simple structure, lower ratio of extraction-to-cut and loss labour intensity. |
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| Keywords: | Floor funnel-caving method Concentrated parallel bunch blasthole blowing |
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