Imperforate bowl: centrifugal separators – Rotatable bowl – Including driven material-moving means therein
Patent
1988-10-20
1990-08-21
Hornsby, Harvey C.
Imperforate bowl: centrifugal separators
Rotatable bowl
Including driven material-moving means therein
494 56, B04B 112, B04B 120
Patent
active
049502190
ABSTRACT:
A centrifuge apparatus having an adjustable weir surface for adjusting the depth of an annular pool of a light and heavy phase material mixture therein. A first annular plate is positioned over a discharge outlet and includes a plurality of notches, each defining a generally arcuate opening and in the periphery thereof. A second annular plate is positioned in coaxial parallel juxtaposition with said first annular plate and also includes an identical amount of notches, each defining a generally arcuate opening. The annular plates are angularly positioned with respect to each other such that the generally arcuate openings are placed in overlapping relationship. Therefore, depending upon the relative angular position of the annular plates with respect to each other, the weir length can be increased and decreased.
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"Investigation of the Clarification Process in Decanter Centrifuges", Ger. Chem. Eng. 9 (1986), 136-142, Faust and Gosele.
Alfa-Laval AB
Haugland Scott J.
Hornsby Harvey C.
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