Magnetite High Pressure Roller Mill Wet Pre-Separation-Stage Grinding-Fine Screen Tower Mill Magnetic Separation Process
A high-pressure roller grinding and stage grinding technology, applied in the wet field of magnetite high-pressure roller grinding, can solve the problems of many crushing sections, unstable process, and large number of sorting sections, so as to simplify the process flow, reduce the cost of mineral processing, and improve the The effect of grinding fineness
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[0038] Such as figure 2 Shown: a kind of magnetite high-pressure roller mill wet type pre-selection-stage grinding-fine screen tower mill magnetic separation process of the present invention comprises rough breaking operation and medium breaking operation, is characterized in that also comprising the following steps:
[0039] 1) The secondary crushing product with a grade of 31.5% and a particle size of 25mm-0 mm is fed into a closed-circuit high-pressure roller mill-screening operation composed of a high-pressure roller mill and a screening device to obtain a high-pressure crushing product with a particle size of 3mm-0 mm. Roller mill-screening products, the high pressure roller mill model is GLGY-06025H roller mill;
[0040] 2) Feed the high-pressure roller mill-screened product into the wet pre-separation magnetic separator to obtain the wet pre-separation magnetic separator concentrate with a grade of 36.5% and the wet pre-magnetic separator tailings with a grade of 7.95%...
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