Process and apparatus for the treatment of suspensions

Details Process and apparatus for the treatment of suspensions Process and apparatus for the treatment of suspensions

1976-11-18

1978-04-25

Krizmanich, George H.

Chemistry: physical processes

233 19A, 233 24, B04B 120, B04B 910, B04B 1102

Patent

active

040858880

ABSTRACT:
A process and apparatus for continuous treatment of suspensions which include solid matter difficult to decant such as solid matter tending to plasticize under temperature and/or pressure loads, solid matter having a rheopexy behavior, and solid matter having at least one of high water absorption and low specific gravity differences with respect to the liquid of the suspension. The apparatus includes a solid-shell screw-conveyor centrifuge system having a rotatable screw and rotatable shell with one of the screw and shell being driven by a drive mechanism and the other of the shell and screw being joined by a hydraulic motor. A control system is provided for controlling at least one of the differential speed between the screw and shell and the speed of the shell in dependence upon the nature of the suspension being processed.

REFERENCES:
patent: 2867378 (1959-01-01), Harlow
patent: 3126337 (1964-03-01), Smith
patent: 3494542 (1970-02-01), Craig et al.
patent: 3734399 (1973-05-01), Oas
patent: 3923241 (1975-12-01), Cyphelly
patent: 3957197 (1976-05-01), Sartory et al.

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