Vortex cleaner for cleaning and deaerating paper pulp suspension

Classifying – separating – and assorting solids – Magnetic – Paramagnetic

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Details

209144, 2105121, B04C 300, B01D 1900

Patent

active

046171142

ABSTRACT:
A vortex cleaner for fractionating particle-liquid suspensions comprises an elongate, upstanding vortex chamber having a circular cross-section and narrowing downwardly to its bottom end. A substantially tangential suspension inlet means is disposed in the wider end of the vortex chamber and a further chamber located axially above the wider end of the vortex chamber. The cleaner further comprises a light-fraction outlet means having pipe means which projects axially into the wider end of the vortex chamber and has a smaller diameter than said wider end, and the upper outlet end of which pipe means opens into the further chamber. A heavy-fraction outlet means is disposed at the narrow end of the vortex chamber, and a light-fraction outlet opening is located in the further chamber axially beneath the upper outlet end of the pipe means, this further chamber extending co-axially with and around the pipe means in a manner to enclose the upper end thereof and to form a space above the outlet end of the pipe means. Air outflow means extend into the aforementioned space at a location above the upper end of the pipe means.

REFERENCES:
patent: 2379411 (1945-06-01), Berges
patent: 2757582 (1956-08-01), Freeman et al.
patent: 2816490 (1957-12-01), Boadway et al.
patent: 2849117 (1958-08-01), Rietema
patent: 3421622 (1969-01-01), Wurtmann
patent: 3425545 (1969-02-01), Zemanek et al.
patent: 3696934 (1972-10-01), Oisi
patent: 3928186 (1975-12-01), Zemanek
patent: 3960734 (1976-06-01), Zagorski

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