The magnetic dewatering tank is a mineral processing equipment that combines magnetic force and gravity. In the magnetic dewatering tank, the ore particles are settled to the bottom of the tank by gravity, and the magnetic ore particles are also subjected to magnetic force (the direction of the force is perpendicular to the magnetic equipotential line) and point to the place where the magnetic field strength is high; The action of the upper impulse generated by the rising water flow, on the one hand, hinders the sedimentation of the ore particles, causes the non-magnetic fine-grained gangue and the slime to overflow, and at the same time loosens the magnetic mineral clusters of the magnetic cluster into chains, and the gangue contained therein Rinse out to improve concentrate quality.
In order to make the magnetic ore and non-magnetic fine-grained gangue and slime well sorted, the upper impulse of the rising water flow should be smaller than the sum of the magnetic force and the gravity acting on the magnetic ore particles, and larger than the non-magnetic fine Gravity of gangue and slime. In this way, the magnetic flux formed by the magnetic ore particles under the action of the magnetic field, due to the action of magnetic force and gravity, overcomes the upward momentum of the rising water flow and settles to the bottom of the groove, and is discharged from the bottom of the groove. The non-magnetic fine-grained gangue enters the overflow with the slurry flow under the action of the rising water flow against the gravity.
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