Elutriator

Details Elutriator Elutriator

1987-07-10

1988-07-05

Reeves, Robert B.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Gaseous suspension and stratifying

131110, 2091391, 209154, 209466, 209474, 209502, B07B 408, B07B 902, A24B 316

Patent

active

047552840

ABSTRACT:
An elutriator (1) for separating different grades of leaf vegetable material comprises an elutriation zone (17) disposed above a flow distributor, and gaseous supply means (13) for supplying a gaseous medium to the elutriation zone (17) through the flow distributor. The flow distributor is adapted to provide a substantially uniform flow of gaseous medium to the elutriation zone (17), and the velocity of air delivered to the zone is greater than the terminal velocity of at least one grade of the material to be separated.

REFERENCES:
patent: 1720861 (1929-07-01), Stebbins
patent: 2141451 (1938-12-01), Ridley
patent: 2586223 (1952-02-01), Harmon
patent: 2815860 (1957-12-01), Krantz et al.
patent: 3437202 (1969-04-01), Kaiser
patent: 3446355 (1969-05-01), Boucraut et al.
patent: 4646579 (1987-03-01), Thatcher et al.

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