Spiral separators

Details Spiral separators Spiral separators

1982-09-24

1985-10-08

Scherbel, David A.

Classifying, separating, and assorting solids

Stratifiers

With liquid treatment

209493, B03B 552

Patent

active

045459002

ABSTRACT:
This invention relates to a spiral separator including an upright column which is supportable with its axis substantially vertically. The spiral separator is adapted to receive at an upper end thereof a plurality of helical turns surrounding the upright column wherein intermediate the height of the separator there is provided an increase in the transverse dimensions or diameter of the separator which provides an initial portion of relatively small transverse dimensions or diameter. By this feature debris or particles of high specific gravity tending to travel in an outer part of the separator adjacent an outer wall thereof entrained with the water in the pulp are caused to travel inwardly toward an inner part of the separator for ultimate separation from particles of low specific gravity.

REFERENCES:
patent: 4146137 (1979-03-01), Beckham
patent: 4277330 (1981-07-01), Wright et al.
patent: 4324334 (1982-04-01), Wright et al.

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