Apparatus and method for refining asbestos dispersions

Details Apparatus and method for refining asbestos dispersions Apparatus and method for refining asbestos dispersions

1977-04-25

1978-11-21

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Feeding and discharging

209256, 209273, 209300, 209261, 264 87, 264101, B07B 120

Patent

active

041265416

ABSTRACT:
Apparatus for the refinement of colloidal asbestos dispersions comprises a horizontally disposed cylindrical tube having a plurality of closely spaced holes around the periphery thereof, a helical screw disposed within the tube, and a flanged jacket concentric with and spaced outwardly from the tube. A slurry of unrefined dispersion is continuously fed into the tube to fill it. Refined slurry is drawn through the holes by a suction pump connected to the jacket while contaminants are retained in the tube and moved by the screw to the outlet end of the tube where they are compacted and removed as sludge through a spring loaded discharge door.

REFERENCES:
patent: 970240 (1910-09-01), Kilborn
patent: 1077947 (1913-11-01), Abrames et al.
patent: 1220232 (1917-03-01), Jackson
patent: 2181404 (1939-11-01), Koppitz et al.
patent: 3035698 (1962-05-01), Novak
patent: 3947314 (1976-03-01), Chupka et al.
patent: 3966607 (1976-06-01), Gaynor et al.

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