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Chromite magnetic separation equipment

2023-05-09 Xinhai (145)

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Chromite is a mineral composed of iron, chromium, and oxygen (FeCr2O4) that is commonly used in the production of stainless steel, alloys, and refractory materials. Due to the high demand for chromite in various industries, efficient chromite beneficiation techniques have been developed, including magnetic separation.

Magnetic separation is a method used to separate magnetic minerals from non-magnetic minerals using a magnetic field. In the case of chromite, magnetic separation is used to separate chromite from non-magnetic material such as silicates and iron minerals.

There are various types of magnetic separation equipment that can be used for chromite beneficiation, including wet high-intensity magnetic separators (WHIMS), rare earth roll magnetic separators (RERMS), and induced roll magnetic separators (IRMS).

WHIMS is a high-gradient magnetic separator that uses a combination of magnetic force, pulsating water, and gravity to separate magnetic and non-magnetic materials. The magnetic material is attracted to the magnetic poles and is carried by the rotating drum and discharged at the bottom of the machine.

RERMS is a dry magnetic separator that uses rare earth magnets to generate high magnetic fields. The material is fed onto the conveyor belt of the separator, and the magnetic material is attracted to the roll and is carried to the magnetic discharge chute.

IRMS is a dry magnetic separator that uses magnetic rolls to separate magnetic and non-magnetic material. The material is fed onto the magnetic rolls, and the magnetic material is attracted to the rolls and is carried to the magnetic discharge chute.

The selection of the appropriate magnetic separation equipment depends on several factors, including the magnetic susceptibility of the material to be separated, the particle size distribution, and the desired final product. The performance of the magnetic separation equipment can also be affected by the physical properties of the material, such as its density and viscosity.

In conclusion, magnetic separation is an effective technique for the beneficiation of chromite, and there are various types of magnetic separation equipment available for this purpose. The selection of the appropriate equipment depends on the specific characteristics of the chromite ore and the desired final product.


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