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Ore minerals: mostly the iron oxide minerals– magnetite and
hematite.
Waste minerals (tailings): a wide variety of silica (chert,
jasper), iron carbonate minerals, iron silicate minerals, in places
small amounts of sulfide minerals.
Crushing and Screening
Hengyang Industry provide you primary crushing and two to three
stages of crushing. Some mines have the primary crusher located in
the mine, using conveyors to transport the crushed ore to the
secondary and tertiary crushers or directly to the mills. The
crushing stages will reduce the iron ore from several feet in
diameter at the primary stage to six inches down to one-half or
threeeighths of an inch as a final product. The crusher product is
fed to the milling operation for further size reduction.
Grinding
In the grinding circuit, rod, ball, or autogenous mills grind iron
ore down into even smaller uniformed-sized particles. The ore is
ground less than 325 mesh, and in some cases less than 500 mesh (45
– 25 microns) to help facilitate the liberation of the iron
minerals from the rock.
Concentration
The product from the milling circuit is fed to the concentration
circuit, where the valuable mineral is recovered and concentrated.
Worthless gangue (sand and rock) is then separated. Using the
magnetic properties of magnetite, magnetic-separation is the
principal choice for iron ore. Hematite ores are concentrated using
conventional flotation. The concentrate is then filtered to remove
water and passed to pelletizing and sintering operations.
Application | Iron Ore |
Place of Origin | Zhengzhou city, China |
Capacity | 20-350t/h |
Warranty | 1 year |
Components | Bearing, Motor, Pump, Gear, PLC, Pressure vessel, Engine, Gearbox |
OEM | Accept |
Packing | Negotiated |
Color | Customize |