Micro-fine particle magnet fine powder upgrading recleaning process
A fine-grained, process-based technology, applied in the field of fine-grained magnet fine powder upgrading and re-selection technology, can solve the problems of limited impurity reduction effect of iron fine powder, high investment in equipment and infrastructure, high loss rate of magnetic iron, etc. Low investment, increased efficiency, and reduced metal loss
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[0021] The specific embodiment of the present invention will be further described below in conjunction with the attached table.
[0022] Such as figure 1 As shown, a kind of fine-grained magnetite concentrate powder upgrading and re-selection process of the present invention is characterized in that it includes iron concentrate I separation process and comprehensive iron concentrate II grinding process,
[0023] Described iron ore concentrate I sorting process comprises the following steps:
[0024] a. Feed magnet powder with a grade of 62%-65% and a particle size of ≤30 microns up to 80% or more into the automatic magnetic levitation concentrator to obtain the concentrate and tailings of the automatic magnetic levitation concentrator;
[0025] b. The concentrate of the automatic magnetic levitation concentrator is fed into the concentrate concentration magnetic separation operation, and the concentrate concentration magnetic separation operation can obtain iron concentrate I...
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