| 超贫磁铁矿干式预选实验研究 |
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| 引用本文： | 王玲,滕秀德,王森,张云鹏. 超贫磁铁矿干式预选实验研究[J]. 中国矿业, 2016, 25(1) |
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| 作者姓名： | 王玲 滕秀德 王森 张云鹏 |
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| 作者单位： | 河北联合大学矿业工程学院,河北钢铁集团矿业公司涞源有色金属公司,河北联合大学矿业工程学院,河北联合大学矿业工程学院 |
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| 基金项目： | 本文由国家自然基金铁矿石粉碎能耗合理分布规律研究(编号：51374087)资助。 |
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| 摘 要： | 河北某超贫磁铁矿矿石储量大,全铁含量为14.64%,磁性铁含量仅占全铁的47.88%。矿石中,有用矿物主要为磁铁矿。在破碎至-12mm粒度、磁场强度159kA/m、带速1.2m/s的条件下,磁滑轮干式预选可以抛出产率为68.32%、磁性铁含量为0.58%的尾矿,磁性铁作业回收率达90%以上。围岩混入会影响磁性铁的回收。本研究为该超贫磁铁矿的合理开发利用提供技术支撑。
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| 关 键 词： | 超贫磁铁矿 能耗 选矿成本 干式预选 |
| 收稿时间： | 2014-09-08 |
| 修稿时间： | 2015-01-16 |
Experimental study of dry preconcentration on ultralow-grade magnetite ores |
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| WANG Ling,teng xiu de,wang sen and zhang yun peng. Experimental study of dry preconcentration on ultralow-grade magnetite ores[J]. CHINA MINING MAGAZINE, 2016, 25(1) |
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| Authors: | WANG Ling teng xiu de wang sen zhang yun peng |
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| Affiliation: | College of Mining Engineering, Hebei United University,Laiyuan Nonferrous Metals Company, Hebei Iron and Steel Group Mining Co., Ltd.,College of Mining Engineering, Hebei United University,College of Mining Engineering, Hebei United University |
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| Abstract: | The content of total iron is 14.63% and the magnetic iron only accounts for 47.88% of the total iron in an ultralow-grade iron mine in Hebei, but its reserves is great. Magnetite is the main valuable mineral. The yield of the tailings reaches 68.32% by dry preconcentration with magnetic pulley, and the magnetic iron content of the tailings is 0.58%, which the recovery of the magnetic iron is above 90%. The interfusion of the wall rock will affect the recovery of the magnetic iron. The investigation provides the technical support for the reasonable exploitation of the ultralow-grade iron ores. |
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| Keywords: | ultralow-grade iron ore energy consumption mineral processing cost dry preconcentration |
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