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| Improvement of Zhongtiaoshan Nonferrous Metals Group magnetic concentrator process optimization |
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Received:January 23, 2017
Revised:February 07, 2017
Accepted:February 08, 2017
Published Online:October 18, 2017
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| DOI： |
| KeyWord:Magnetic separation plant; Magnetic separator; Process improvement; Vertical spiral agitating mill;Cyclone;Sorting index |
| Author | Institution |
| wu dong |
Shanxi Zhongtiaoshan engineering design and Research Co Ltd |
| Gao Hongwei |
Zhongtiaoshan Nonferrous Metals Group magnetic plant |
| Liu Wei |
Zhongtiaoshan Nonferrous Metals Group magnetic plant |
| Liu Haizhen |
Zhongtiaoshan engineering design and Research Co Ltd |
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| Abstract: |
| According to the low iron concentrate grade and low production capacity of coarse concentrate regrinding unit, Zhongtiaoshan Nonferrous Metals Group Magnetic Separation Plant adopted the following optimization and improvement measures. 1、Improvd the coarse concentrate re-grinding process. With added to two permanent magnetic separator in series, coarse concentrate grade increased by 25%. 2、Changed the single overflow discharge way of the vertical spiral mixing mill barrel to the surrounding drainage weir. Mill overflow -400 mesh size content increased from 50% to 57% to 56% to 65%. 3、The structure of the cyclone and the parameters of the ore feeding conditions were improved and adjusted, and the sand returning ratio decreased from 650% ~900% to about 250% ~ 400%. Through a series of improvements, the magnetic separation plant has finally achieved the goal of improving the production capacity and optimizing the separation index. |
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