Method and apparatus for segregating and separately recovering s

Details Method and apparatus for segregating and separately recovering s Method and apparatus for segregating and separately recovering s

1981-05-19

1983-03-01

Knowles, Allen N.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209173, 209906, 209932, B03B 528

Patent

active

043752640

ABSTRACT:
A method and apparatus is provided for segregating and separately recovering fractions of a mixture of low density solids and high density solids, such as mixtures of clam shells and free detached clam meat. The mixture of solids is submerged in a laminar flowing stream of liquid which has a specific gravity about the same as that of the low density solids and such that the low density solids are substantially non-buoyant in the liquid. The bottom of the laminar flowing stream of liquid is defined in part by an upper foraminous conveyor surface which is moving in the same direction as the laminar flowing stream. The mixture of solids is flowed across a turbulent zone of rising air bubbles, and low density solids are removed from the top of the liquid and high density solids are removed from the bottom of the laminar flowing stream. Advantageous apparatus embodiments are provided for conducting the method.

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