A basic
magnetic separator consists of a magnet of some kind. As materials are passed below, over, through, or around the magnetic separator, it attracts undesirable impurities, pulling them out and cleaning the process stream. Magnetic separators may be ferromagnetic or paramagnetic, depending on the needs, and in some cases materials will be passed through both types of magnetic separators. These devices can vary in size from tabletop separators used in labs to massive drums utilized in recycling facilities.
Magnetic separator working principle:
When slurry flows into trough across ore-feeding tank, loose ore particles enter then trough’s ore-feeding zone under water flow of ore-feeding hosepipe. Upon magnetic field effect, magnetic particles get together and form into ' magnetic mass' or ' magnetic linkage', which is absorbed to the cylinder under magnetic force when it moves toward magnetic pole. Because the polarity of magnetic pole is alternately disposed along the cylinder’s rotation direction and remains unchanged at work, gangue and other non-magnetic minerals among ' magnetic mass' or ' magnetic linkage' fall off when the cylinder rotates.Then the ' magnetic mass' or ' magnetic linkage' absorbed to the cylinder surface comes out as ore concentrate. Then the ore concentrate is unloaded into concentrate trough under under water flow of ore-unloading hosepipe, when it moves to the marginal magnetic system with lowest magnetic force along the cylinder rotation. And non-magnetic or weak magnetic minerals left in the slurry is discharged out of trough, which is called gangue.
Manufacturers of magnetic separation equipment typically provide specifications for their products for the benefit of prospective customers. Consumers may need equipment that targets a specific range of metals, or could require large size or high speed capacity. It may be possible to rent or lease equipment for some applications, or if a factory wants to try a device before committing to a purchase. Used equipment is also available.
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