冬瓜山铜矿圆满完成40万吨垂直矿柱的安全回采

基础金属	铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材镁
稀有金属	稀土稀土矿稀土氧化物稀土金属钕铁硼稀散金属锑铋铟锗镓硒钽锆贵金属白银钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉硒
新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅

基础金属

铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材镁

稀有金属

稀土稀土矿稀土氧化物稀土金属钕铁硼 稀散金属锑铋铟锗镓硒钽锆 贵金属白银钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉硒

新能源

锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰 锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅

冬瓜山铜矿圆满完成40万吨垂直矿柱的安全回采

2025-04-17 14:26:37 来源：铜陵有色公众号责任编辑：韩泽楷

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近日，在冬瓜山铜矿大团山工区采矿班实施49次精准大爆破和出矿班两年的持续攻坚下，安全高效完成了井下负610米Ⅳ盘区高达40万吨大型垂直矿柱回采工作，累计回收铜量3654.68吨，创造经济价值上亿元。

该矿柱原在负565米以上盘区回采设计范围内，因顶板暴露面积过大，稳定性变差而留设。矿柱设计宽25米，在33A和33B回采过程中顶板出现失稳，预留1~3排大孔未爆破，矿柱总矿量约49.86万吨，平均地质品位约1.14%。本矿柱空间形态顶部基本在负520米标高，矿柱采用下向大直径深孔阶段空场嗣后充填采矿法。矿柱回采为残矿资源回收利用，两侧均为充填体，东侧最高达90米，有垮落风险，东侧间隔留设2米和4米厚矿壁以保护充填体；西侧空区充填体高度较小，充填体强度较高，以留2米矿壁为主，矿柱中间20米长度留4米厚矿壁以保护充填体。

自2023年3月20日该矿柱首次爆破以来，大团山工区出矿班克服现场潮湿闷热、大块率过高等不利条件，充分利用进口3立方米电动铲运机进行作业，在负610米中段矿石被铲运至溜井，再由负730米中段的牵引电机车运出，截至今年3月底，圆满完成了该矿柱的高效回采。

在矿柱回采过程中，该工区严格监督各进路均衡出矿，严禁进路出空和矿石、充填体混出。到了矿柱回收末期，根据现场实际情况制订了相应方案，实行“一采场一方案”，要求将进路残矿逐个清扫干净，做到资源“吃干榨净”。同时，为了确保矿柱采场后期充填封闭墙的施工安全，该工区在进路扫空前选择进路合适位置预先施工基础锚杆孔。进路扫空后立即用铲车堆放废石、杂物或草包等阻挡物，待所有进路全部结束且采场稳定后，利用预先施工的锚杆孔快速安装钢构、锚网联合挡墙，上述各项措施落实到位后，再开始施工充填封闭墙。目前，该矿柱回采后的空区已顺利进入充填前封闭流程。

此次大型矿柱的回采有效延长了矿山的服务年限，并成功实现了高难度矿石资源的最大回收。

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冬瓜山铜矿圆满完成40万吨垂直矿柱的安全回采

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