Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1997-06-04
1999-05-04
Milef, Boris
Classifying, separating, and assorting solids
Fluid suspension
Liquid
2105121, B03B 534
Patent
active
058993428
ABSTRACT:
An apparatus for separating relatively light fractions from relatively dense fractions in a pulp suspension. The apparatus has a tubular housing of circular cross section defining a separation chamber extending longitudinally from an inlet end to an outlet end, with an inlet at the inlet end for tangentially introducing a flow of the pulp suspension into the housing for vortical flow along the length of the separation chamber towards the outlet. The vortical flow effects a separation of the relatively light fraction from the relatively dense fraction. The housing has at least two outlets at the outlet end, one outlet being positioned to accommodate an exiting flow of the relatively light fraction and the other outlet being positioned to accommodate an exiting flow of the relatively dense fraction. The diameter of the separation chamber at an intermediate region along its length is enlarged in comparison to its diameter at the inlet and outlet ends.
REFERENCES:
patent: 2518084 (1950-08-01), Smith
patent: 2655263 (1953-10-01), Chisholm
patent: 3501001 (1970-03-01), Muller et al.
patent: 4134828 (1979-01-01), Trawinski
patent: 4175036 (1979-11-01), Frykhult
patent: 5770050 (1998-06-01), Trefz et al.
Milef Boris
Voith Sulzer Paper Technology North America Inc.
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