Separation

Details Separation Separation

1989-08-18

1990-11-27

Jenkins, R. W.

Imperforate bowl: centrifugal separators

Rotatable bowl

Comprising plurality of bowls partly or wholly within one...

494 35, 494 75, 494 79, B04B 104, B04B 1100

Patent

active

049732994

ABSTRACT:
A liguid separation system includes a first separator unit, a second separator unit and means including a pump for flowing a liquid mixture from a system inlet to the inlet of the first separator unit. A first outlet of the first separator unit is connected to the inlet of the second separator unit, a second outlet of said second separator unit is connected to the inlet of the first separator unit, a first outlet of the second separator unit is connected to a system outlet, and feedback means is adapted to provide continuous flow during system operation of at least about 0.01 gallon per minute from a second outlet of the second separator unit to the inlet of the first separator unit. The first separator unit includes a separation chamber and a control chamber in communication with the separation chamber for receiving a light constituent of the mixture, and control means responsive to a predetermined quantity of the light constituent in the control chamber for discharging a portion of the light constituent from the first separator unit. The second separator unit includes housing structure, a bowl assembly mounted for rotation in the housing structure, and means for rotating the bowl assembly at a speed of at least one thousand rpm. The bowl assembly includes structure defining an inner chamber region in which a plurality of accelerating vanes are radially disposed in the inner chamber region, and structure defining an outer chamber region surrounding the inner chamber region in which a circumferential array of coalescing vanes ae disposed.

REFERENCES:
patent: 2138467 (1938-11-01), Ayres
patent: 3861584 (1975-01-01), Dudrey

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