Process for processing low grade hematite ore
A hematite and low-grade technology, which is applied in the process field of processing low-grade hematite ore, can solve the problems of affecting the concentrate grade, high operating cost, and complicated influencing factors, and achieves significant economic and social benefits and improves Concentrate grade, effect of simplified flotation process
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[0022] The specific implementation manner of the present invention will be described below in conjunction with the embodiments shown in the accompanying drawings.
[0023] Such as figure 1 As shown, the process for processing low-grade hematite ore of the present invention adopts ball mill, classifier, reverse flotation, and positive flotation, and is characterized in that after the ore is ground to achieve monomer separation and the pulp is coarsely and subdivided, The coarse-grained ore pulp is re-selected-strong magnetic-screened to obtain part of the concentrate, and the fine-grained ore pulp enters the mixing tank for sample separation, and then enters the second mixing tank to add medicine and mix it, and pump it to a rougher flotation Column selection, the bottom flow of the flotation column is sent to the selection flotation column, the bottom flow of the selection flotation column is the final iron concentrate, the roughing foam of the flotation column is pumped to th...
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