Centrifugal ore separator is a kind of high efficiency equipment for re-separation of ore particles in centrifugal field. The equipment has the characteristics of high enrichment ratio and high recovery rate. In the process of sand gold washing and separation, it is mostly used as a selection equipment, combined with chute or jig, auxiliary chute, jig and other coarse separation equipment to complete the selection and purification of coarse concentrate of sand gold ore. It is suitable for single gold recovery of placer gold, vein gold ore and polymetallic ore. It has the advantages of small area, easy operation, intermittent production and stable operation.
The drum of centrifugal separator rotates at high speed with a certain number of revolutions, and the slurry is fed into the inner wall of the drum by the feeder through the nozzle. The slurry rotates at high speed with the drum. Under the action of centrifugal force, the heavy ore is deposited on the inner wall of the drum and rotates with the drum. In the process of rotation, the light ore particles rotate with a certain spiral angle from the feed end to the discharge end. After 3 minutes of separation, the ore feeder automatically turns away from the original normal position and stops feeding the ore into the drum. After the tailings are discharged, the ore separator automatically turns away from the original normal position to intercept the concentrate, then the high pressure flushing valve automatically opens, the high pressure flushing water punches the concentrate deposited on the inner wall of the drum, and the high pressure water valve automatically closes after the concentrate is washed.
Small area, easy to operate, intermittent production, stable operation, automatic ore extraction. a higher enrichment ratio (up to several thousand times) and a very small concentrate yield can be obtained with extended break time. The recovery rate of fine grain gold can reach more than 95%.
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