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针对凡口铅锌矿盘区机械化分层充填采矿法全面采用胶结充填回采工艺成本较高的现状 ,在矿山大规模进入矿柱回采阶段 ,采用全尾砂、棒磨砂进行了非胶结充填采矿工艺试验研究 ,取得了良好的技术经济指标。
Aiming at the fact that mechanized stratified filling mining method of the Fankou lead-zinc ore district fully adopts the high cost of cementing and reclaiming process, the non-cement filling technology is adopted for the large-scale mine pillar recovery stage, using the tailings and rod scrubs Experimental research and achieved good technical and economic indicators.