Self-purging centrifuge

Details Self-purging centrifuge Self-purging centrifuge

1980-12-23

1982-09-21

Jenkins, Robert W.

Chemistry: physical processes

233 28, B04B 100

Patent

active

043502822

ABSTRACT:
A self-purging centrifuge (10) for liquid/liquid/solid separation is the invention. It is useful in industries such as metal working where separation of a lighter liquid from a heavier liquid is achieved simultaneously with the separation of suspended solid particles, without requiring the use of a pre-filter.
The centrifuge (10) includes a rotatable drum (11), a driven rotor disc-assembly (22, 24, 25) mounted within the drum (11), extension means (50) for guiding the separated heavier liquid, apart from the separated lighter liquid, from the drum (11), separate liquid collection chambers (48, 53), and purge rods (65) for assisting in the removal of collected solids from the drum side wall (12).
Rotation of the drum (11) causes solid particles to collect on the drum side wall (12). Heavier liquid is separated from and flows upwardly apart from the lighter liquid. Lighter liquid moves inwardly, travelling upwardly through the individual discs in the disc assembly (22, 24, 25). Purging of the collected particles from the drum (11) is accomplished through an eroding, washing action created by the purge rods (65).

REFERENCES:
patent: B422467 (1975-01-01), Niemeyer
patent: 2646921 (1953-07-01), Adams
patent: 3443748 (1969-05-01), Hooper
patent: 3701469 (1972-10-01), Nilsson
patent: 3741466 (1973-06-01), Weiland
patent: 3741467 (1973-06-01), Kjellgren
patent: 3750940 (1973-08-01), Nilsson
patent: 3752389 (1973-08-01), Nilsson
patent: 3777972 (1973-12-01), Kjellgren
patent: 3861584 (1975-01-01), Dudrey

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