Hydro-cyclone with circulation outlet for boundary layer flow

Details Hydro-cyclone with circulation outlet for boundary layer flow Hydro-cyclone with circulation outlet for boundary layer flow

1989-06-08

1991-03-26

Dawson, Robert A.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

554591, 209144, 209211, 210 97, 210194, 2105121, 210788, 210805, B01D 17038

Patent

active

050026712

ABSTRACT:
A hydro-cyclone includes a hollow round casing having, co-axially in series, a cylindrical portion and a frusto-conical portion tapering toward one end of the cyclone. An end plate closes off the cylindrical portion opposed to the taper end. A tangential inlet conducts a fluid flow stream to be classified tangentially into the cylindrical portion. A co-axial, heavy fraction outlet is provided at the taper end. A co-axial, light fraction outlet is provided through the end plate, preferably via a porthole in the cylindrical portion axially spaced from the end plate. The invention provides for drawing-off of fluid flowing from the inlet inwardly in a boundary layer adjacent the end plate via a circulation outlet in the end plate, preferably annularly around the light fraction outlet.

REFERENCES:
patent: 2379411 (1945-07-01), Berges
patent: 2781910 (1957-02-01), Fontein
patent: 3696934 (1972-10-01), Oisi
patent: 3833468 (1974-09-01), Boniface

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