Decanting centrifuges with improved compression

Details Decanting centrifuges with improved compression Decanting centrifuges with improved compression

1993-11-17

1996-12-17

Cooley, Charles E.

Imperforate bowl: centrifugal separators

Rotatable bowl

Including driven material-moving means therein

494 53, B04B 120

Patent

active

055847919

ABSTRACT:
A decanting type centrifuge comprising a bowl which rotates about a horizontal or vertical axis and contains a helical screw conveyor for separating a slurry fed to the bowl into its constituent solids and liquid, the scroll being arranged to rotate at a differential speed within the bowl and wherein at least some of the flights of the scroll conveyor are inclined backwards relative to the solids discharge end of the bowl.

REFERENCES:
patent: 775320 (1904-11-01), Van Kirk
patent: 2308559 (1943-01-01), Winkler
patent: 2679974 (1954-06-01), Gooch
patent: 2743864 (1956-05-01), Lyons
patent: 3348767 (1967-10-01), Ferney
patent: 3401800 (1968-09-01), Stock
patent: 3430850 (1969-03-01), Gilreath
patent: 4416656 (1983-11-01), Shapiro
patent: 4449967 (1984-05-01), Caldwell
patent: 4654022 (1987-03-01), Shapiro
patent: 5067939 (1991-11-01), Shapiro
patent: 5176616 (1993-01-01), Schlip et al.
patent: 5261869 (1993-11-01), Caldwell et al.

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