Centrifugal flotation apparatus

Details Centrifugal flotation apparatus Centrifugal flotation apparatus

1989-03-27

1989-10-17

Jenkins, Robert W.

Imperforate bowl: centrifugal separators

With means for furnishing auxiliary fluid to material or...

Air at atmospheric, or greater, pressure

494 60, B04B 1100

Patent

active

048743577

ABSTRACT:
The apparatus includes a powered bowl assembly having a tubular shaft journalled within a base of the apparatus. A pressurized air flow is discharged into slurry in the bowl assembly via a circular array of bubble generators. An impellor discharges the slurry outwardly against an upwardly inclined annular surface of the bowl assembly to cause the slurry to merge upwardly with the streams to promote flotation. Slurry within the bowl assembly forms a vortex with particle flotation forming a froth layer inwardly of a slurry vortex. The froth exits the bowl assembly upwardly past a barrier partially closing the bowl assembly. Heavier gangue particles exit via an outlet about the bowl assembly periphery. A collector shroud is partitioned to receive the froth and the heavier waste material. A modified form of the apparatus includes an independently powered bowl assembly and impellor.

REFERENCES:
patent: 2749031 (1956-06-01), Hornbostel
patent: 4152254 (1979-05-01), Steier
patent: 4186096 (1980-01-01), Areaux
patent: 4353499 (1982-10-01), Simonds

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