Vortex cleaner

Details Vortex cleaner Vortex cleaner

1978-11-24

1980-09-23

Cuchlinski, Jr., William A.

Classifying, separating, and assorting solids

Magnetic

Paramagnetic

210512R, B04C 516

Patent

active

042241456

ABSTRACT:
A vortex cleaner for separating fibrous suspensions into fractions, in particular for cleaning papermaking pulp suspensions from impurities as chips, shives, sand grains, metal particles, etc., comprises an elongate vortex chamber, which has a circular cross-section and which over part of its length tapers towards its one axial end. The larger end of this vortex chamber has at least one tangential inlet for the suspension to be treated and an axial accept outlet for a lighter fraction of the treated suspension. The smaller end of the vortex chamber has an axial reject outlet for a heavier fraction of the treated suspension. The tapering part of the vortex chamber has a boundary wall which consists of one or preferably two ledges, which face the larger end of the vortex chamber and extend helically with diminishing diameter towards the smaller end of the vortex chamber, and a sidewall interconnecting the consecutive convolutions of said ledge or ledges. This sidewall is inclined relative to the axis of the vortex chamber so as to be conically divergent towards the smaller end of the vortex chamber.

REFERENCES:
patent: 3800946 (1974-04-01), Reid et al.
U.S. Ser. No. 860,105 filed 12-13-77 to Skardal.

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