Magnetic separator separates the iron ore feed material into two or more components. If the purpose is to produce a magnetic concentrated iron ore then the other component which is non magnetic is the tailings. In some cases there can also be a possibility of separating the less magnetic third component which is called middlings.
magnetic separation. Dry Magnetic Separation of Iron Ore: There are many inherent advantages in processes that utilize dry magnetic separation to beneficiate iron ore. Wet concentration of magnetite ore, in comparison, re quires 500 to 1000 gal of water per ton of concen trate produced. This means extensive use of water
The flotation process is mainly used for the separation of fine grained and particulate weakly magnetic iron ore, including two process flows of positive flotation and reverse flotation. Among them, the positive flotation process is suitable for quartz hematite ore without easy pumice gangue, and the reverse flotation process is suitable for ore with easy flotation gangue.
Magnetized drums collect magnetic material, so it can be further concentrated . The lighter particles that were separated during the spiral gravity separation step are rolled into balls and cooked in an induction oven. This process is known as pelletization.
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Combination of flotation and magnetic separation: the magnetite hematite ore of qualified particle size is fed into the magnetic separator for weak magnetic separation to obtain strong magnetic iron ore and weak magnetic tailings, and the tailings are fed into the magnetic separator for weak magnetic separation. In strong magnetic separation, strong magnetic separation tailings and concentrate are obtained, and the concentrate is fed to the flotation machine for flotation to obtain flotation ...
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June 10, 2020
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