Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1979-02-12
1980-11-18
Hill, Ralph J.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209497, B03B 542
Patent
active
042344158
ABSTRACT:
Improved apparatus for separating mixed solids of different specific gravities by means of a liquid medium comprising rotatable means defining a frustro-conical separation chamber having a lighter solid outlet at one end and a heavier solid outlet at the other end; a generally fan-shaped wall normal to the axis of rotation stationarily mounted in the chamber dividing a lower portion of the chamber generally into a lighter solid zone and a heavier solid zone, the wall having a substantially arcuate lower surface complementary with, and adjacent, the surface of the chamber; means for supplying mixed solids and liquid medium to the chamber; a vertical opening in the lower arcuate surface of the wall for passage of solids through the wall; and means for removing solids accumulating in the heavier solid zone.
The opening may divide the wall into two substantially segmental plates extending from the surface of the chamber to a level above the liquid in the chamber, and the wall also may be provided with a flexible seal along the lower edge for minimizing migration of solids between the adjacent edges of the plates and the chamber.
A pair of frustro-conical chambers may be utilized with liquid media of two different specific gravities to separate solids of three different specific gravities.
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"Separador Conico-Helicoidal", Sales Brochure of Tuya of Leon, Spain.
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