| 在强磁分选过程中强磁性矿物对弱磁性矿物影响的研究 |
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| 引用本文： | 戴惠新.在强磁分选过程中强磁性矿物对弱磁性矿物影响的研究[J].广东有色金属学报,1999,9(1):9-12. |
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| 作者姓名： | 戴惠新 |
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| 作者单位： | 昆明理工大学 |
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| 摘 要： | 以强磁性的磁铁矿和弱磁性的赤铁矿为对象，研究了在强磁选别过程中磁铁矿料铁矿的影响，结果表明，随着磁铁矿含量的增加，赤铁矿业 品位下降，这主要是由于磁铁矿在强磁选过程中产生较严重的团聚，使赤铁矿强粉分选的选性降低；并且磁铁矿的存在使介质难以卸矿完全，残余矿增加，缩短了介质的阻塞周期，降低了介质的有效分选面积。
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| 关 键 词： | 强磁选 磁选矿 赤铁矿 选矿 |
STUDY ON THE EFFECT OF STRONGLYMAGNETIC MINERALS ON WEAKLY MAGNETIC
MINERALSIN HIGHLY INTENSIVE MAGNETIC SEPARATION |
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| DAI Huixin.STUDY ON THE EFFECT OF STRONGLYMAGNETIC MINERALS ON WEAKLY MAGNETIC
MINERALSIN HIGHLY INTENSIVE MAGNETIC SEPARATION[J].Journal of Guangdong Non-Ferrous Metals,1999,9(1):9-12. |
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| Authors: | DAI Huixin |
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| Affiliation: | Kunming University
of Science and Technology |
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| Abstract: | In this paper, the strongly magnetic magnetite and
weakly magnetic hematite are taken as objects to study the effect of magnetite on hematite
during the course of highly intensive magnetic separation. Results show that with the increase
of the magnetite content, the grade of hematite concentrate is decreased. The reason lies in the
fact that du\|ring the course of highly intensive magnetic separation, magnetite has formed
rather serious agglomeration, which will reduce the selectivity of hematite in magnetic
separation. In addition, in the presence of magnetite, it is difficult for media to unload ores. As a
result, the residual ore amount will be increased, the blockage period be shortened and the
effective se\|paration area of the media will be reduced. |
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| Keywords: | highly intensive magnetic separation magnetite hematite |
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