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| Design and Analysis of Mathematical Evaluation Model for Multi Pole Alternating Magnetic Separation Based on Experimental Statistical Method |
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Received:June 20, 2017
Revised:June 26, 2017
Accepted:June 26, 2017
Published Online:December 01, 2017
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| DOI： |
| KeyWord:Fine;preconcentration, Multi;pole alternating;magnetic separator, Turnover;times, Mathematical;evaluation model |
| Author | Institution |
| Wei Honggang |
BGRIMM Machinery Automation Technology Co,Ltd |
| Ran Hongxiang |
BGRIMM Machinery Automation Technology Co,Ltd |
| Zhao Hailiang |
BGRIMM Machinery Automation Technology Co,Ltd |
| Wang Xiaoming |
BGRIMM Machinery Automation Technology Co,Ltd |
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| Abstract: |
| It is an important approach to improve the economic efficiency of magnetite concentrator by adopting fine crushing technology and multi stage coarse preconcentration process before grinding. The conventional magnetic separator, which is with limitation in magnetic field, can not solve the problem of ore separability getting worse because of magnetic agglomeration. Because of the above-mentioned reasons, multi pole alternating magnetic separator is proposed to be applied to magnetite ore preconcentration after fine crushing. Based on the analysis of the separation mechanism of multi pole magnetic field, a mathematical expressions for a complete separate process of magnetic particles is calculated. And then the mathematical evaluation model for magnetic iron content of tailings M and discard rate γ is established by means of experimental statistical method, and the optimum parameter also be solved. All the above provides the basic theoretical guidance for the design of multi pole alternating magnetic separator. |
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