| 外磁式磁选机应用于铁矿预选抛尾工艺的试验研究 |
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| 引用本文： | 成磊,尚红亮,朱道瑶.外磁式磁选机应用于铁矿预选抛尾工艺的试验研究[J].有色金属(选矿部分),2019(3):78-80. |
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| 作者姓名： | 成磊 尚红亮 朱道瑶 |
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| 作者单位： | 北京矿冶科技集团有限公司;北矿机电科技有限责任公司 |
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| 摘 要： | 外磁式磁选机已成功应用于-10mm钒钛磁铁矿磨前预选作业,具有回收率高、尾矿品位低等优点。采用外磁式磁选机进行了-18mm钒钛磁铁矿预选抛尾、一段分级系统沉砂抛尾试验研究,可实现抛尾产率9%～28%;采用外磁磁选机进行含弱磁性矿物混合型铁矿预选试验,分析了入选粒度、弱磁性矿物含量对于预选指标的影响;采用外磁式磁选机对-18mm原生磁铁矿进行了预选试验,实现磨前抛废42.09%。
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| 关 键 词： | 外磁式磁选机 -18mm钒钛磁铁矿 沉砂抛尾 混合型铁矿 |
| 收稿时间： | 2018/11/7 0:00:00 |
| 修稿时间： | 2018/11/26 0:00:00 |
Experimental Research of External Magnet Drum Type Magnetic Separator Used on Pre-concentration Process of Iron Ore |
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| Authors: | CHENG Lei SHANG Hongliang and ZHU Daoyao |
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| Affiliation: | Beijing General Research Institute of Mining and Metallurgy,Beijing General Research Institute of Mining and Metallurgy,BGRIMM |
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| Abstract: | External magnet drum type magnetic separator is used successfully on -10mm Vanadium-titanium magnetite pre-concentration. The type of magnetic separator can achieve high recovery rate and low tailing grade. Recently, some experiment about -18mm Vanadium-titanium magnetite pre-concentration and tailings discarding of grading sand setting are conducted with external magnet type magnetic separator. The tailings discarding yield are 9-28%. Mixed iron ore blended with weak magnetic mineral is pre-concentrated with external magnet type magnetic separator. The influence of granularity of mixed iron ore and content of weak magnetic mineral made on separation data are discussed. Experiment about -18mm magnetite pre-concentration is conducted with external magnet type magnetic separator. The tailings discarding yield is 42.09%. |
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| Keywords: | External magnet drum type magnetic separator -18mm Vanadium-titanium magnetite Tailings discarding of grading sand setting Mixed iron ore |
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