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| Improve grade and reduce impurity study on secondary concentrate iron with low grade in yunnan province |
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Received:June 01, 2017
Revised:June 07, 2017
Accepted:June 08, 2017
Published Online:March 29, 2018
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| DOI： |
| KeyWord:dissociation;strong magnetic ;weak magnetic ;grade;recovery rate |
| Author | Institution |
| YANG Xiao-feng |
Heilongjiang university of science and technology |
| ZHANG Hong-wei |
Kunming Iron Steel Holding Co,Ltd |
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| Download times: 2 |
| Abstract: |
| A mine of Yunnan province in order to meet the needs of market,although improved the quality of iron’s concentrate,produce a large number of secondary concentrate,the grade is about 35%.The secondary concentrate not only caused a serious waste of resources, but also occupied a large number of land.The researchers found that the main reason for the lower grade of secondary concentrate is the minerals are not dissociated.The secondary concentrate grind to 0.045mm accounted for 85%,and used the process of weak magnetic、strong magnetic and centrifuge, obtained the concentrate’s grade is 56.38%, recovery rate is 89.87% ,the test results are favorable and achieve the desired objectives, significant increased the efficiency of economic |
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