| 废镁砖中贵金属综合回收技术创新与实践 |
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| 引用本文： | 王李鹏,任琳珠,彭贵熊,巩明辉.废镁砖中贵金属综合回收技术创新与实践[J].矿山机械,2018(12):37-40. |
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| 作者姓名： | 王李鹏 任琳珠 彭贵熊 巩明辉 |
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| 作者单位： | 西北矿冶研究院矿物工程研究所 |
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| 摘 要： | 针对金银转炉拆迁废镁砖中金银含量较高、脉石主要为氧化镁等特点,在生产实践中综合考虑投资成本、可操作性等情况,在小型选矿试验基础上,经技术研究与论证,提出干磨—筛分分选—细粒浮选工艺,即干磨后试样采用高频振筛,将粗粒金银颗粒预先筛分回收,再采用浮选对细粒金银进一步回收,实现了废镁砖中金银的梯级回收。工业生产获得了金银精矿含金674.91 g/t,含银9.14%,金回收率为90.37%,银回收率为88.02%的较好指标,且具有较好的经济效益。
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| 关 键 词： | 废镁砖 浮选 筛分分选 梯级回收 |
Technical innovation and practice of comprehensive recovery of precious metals from waste magnesia bricks |
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| WANG Lipeng,REN Linzhu,PENG Guixiong,GONG Minghui.Technical innovation and practice of comprehensive recovery of precious metals from waste magnesia bricks[J].Mining & Processing Equipment,2018(12):37-40. |
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| Authors: | WANG Lipeng REN Linzhu PENG Guixiong GONG Minghui |
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| Affiliation: | (Mineral Engineering Research Institute,Northwest Research Institute of Mining &Metallurgy,Baiyin730900,Gansu,China) |
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| Abstract: | WANG Lipeng;REN Linzhu;PENG Guixiong;GONG Minghui(Mineral Engineering Research Institute,Northwest Research Institute of Mining &Metallurgy,Baiyin730900,Gansu,China) |
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| Keywords: | waste magnesia brick flotation sieving separation cascade recovery |
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