Magnetism-weight-flotation combined technology for separating hematite iron ore containing iron carbonate
A combined process and iron carbonate technology, applied in the field of combined magnetic-gravity-floating process, can solve the problems of increasing the production cost of the dressing plant, unstable flotation operation, and high cost of flotation operation, and achieve stable production and reduced production cost. , the effect of reducing the amount of processing
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[0023] The present invention will be further described below with reference to the drawings and embodiments.
[0024] Such as figure 1 As shown, a combined magnetic-gravity-floatation process for separating iron carbonate-containing hematite ore of the present invention includes iron ore with a hematite distribution rate of 41.58% and a grade of 29.14%. Feed into a closed-circuit grinding operation to obtain a graded overflow product with a granularity of -200 mesh and a content of 65.5%, which is characterized in that it also includes the following operations:
[0025] 1) One stage of weak magnetic and strong magnetic operation: one stage of weak magnetic and strong magnetic operation is composed of one stage of weak magnetic field and one stage of strong magnetic field. One stage of graded overflow products and regrind products of Zhongkuang are fed into one stage of weak magnetic field, and one stage of weak magnetic tailings is fed into one stage. Strong magnetic, a section of...
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