Hydrocyclone

Details Hydrocyclone Hydrocyclone

1977-05-04

1981-03-31

Hill, Ralph J.

Classifying, separating, and assorting solids

Magnetic

Paramagnetic

2105121, B04C 513

Patent

active

042591805

ABSTRACT:
A hydrocyclone for dividing fiber suspensions into accept and reject fractions, said hydrocyclone being constituted by a conical separation chamber vertically positioned and having at its lower apex end an outlet aperture for the reject fraction, and a base part associated with the upper end of said separation chamber and provided with at least one inlet opening for the fiber suspension, an accept pipe being arranged coaxially with said separation chamber and said base and passing through the top of said base, said accept pipe having its lower inlet end at a level between said inlet opening for the fiber suspension and said outlet aperture for the reject fraction, and the outer surface of the accept pipe having the shape a truncated cone and being further provided with an annular projecting lip forming a discontinuity in said outer surface, the lower side of the lip, facing the reject outlet, having a curved concave shape in order to deflect part of the vortex impinging thereon back towards the reject outlet.

REFERENCES:
patent: 3288300 (1966-11-01), Bouchillon
patent: 3306444 (1967-02-01), Troland
patent: 3494474 (1970-02-01), Estabrook
patent: 3613887 (1971-10-01), Wikdahl
patent: 3724674 (1973-04-01), Loison

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