Foam separator

Details Foam separator Foam separator

1982-11-01

1984-09-04

Nozick, Bernard

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209207, 209288, B03D 114

Patent

active

044695918

ABSTRACT:
A method and system are provided for separating low and high density particles from a mixture thereof. A foam is continuously generated and carried on the outer surface of a horizontal drum. The mixture of particles is deposited on top of the foam surface near the apex of the drum so that the dense particles fall through the foam while the less dense particles are supported on the upper surface of the foam. A first blade is provided to shear the upper surface of the foam and remove the less dense particles. A second blade engages the surface of the drum downstream from the first blade to remove the relatively dense particles. The system finds particular use in separating raisins (dense particles) from waste materials associated with raisins (less dense particles).

REFERENCES:
patent: 1480884 (1924-01-01), Dolbear
patent: 2689650 (1954-09-01), Key
patent: 4169787 (1979-10-01), Gunnerson

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