Beneficiation Process of Magnetite

Assuming that the ore is mainly magnetite, followed by a small amount of hematite, siderite, and pyrite, gangue minerals are mainly quartz, followed by pyroxene, amphibole, carbonate and mica.
1. Broken and screening: broken can be divided into coarse broken, medium broken, and fine broken.
2. Pre-selection: fine broken products by the fine broken silo pass the actuator or pendulum to the mine into the flat belt, the magnetic field strength of 143kA / m permanent magnetic cylindrical dry magnetic separator pre-selected, the concentrate into a ball mill, tailings into the magnetic field strength of 280kA / m permanent magnetic cylindrical dry magnetic separator for cleaning, concentrate into a mill, tailings into the circular vibrating screen, sieve products for the final tailings, sieve under the Also into a ball mill.
3. Grinding, grading and mineral processing: a ball mill and high Yan-type spiral grading machine into a closed circuit. Classifier overflow into a permanent magnetic cylindrical dry magnetic separator for a magnetic separation, magnetic separation of coarse ore into the second ball mill. The second ball mill ore products into the secondary magnetic separator for magnetic separation.
4. Concentrate filter: concentrate by the concentrate pump to the concentration filtration system, after three, four magnetic sorting, the magnetic separation of the concentrate into the filter filter vacuum filter, the concentrate slide into the warehouse by the skateboard.
5. Tailings enrichment and transportation: the usage of peripheral drive concentrator enrichment, overflow pool after the exchange of water pump to the election plant for the water quality is not demanding to use the industry, the concentration of the bottom of the machine through the sand pumping station tailings recycling plant for cleaning operations. The final tailings are transported to the tailings pond by the multi-stage total sand pumping station, and the backwater of the tailings is transported by the static pressure recovery pipeline.