Classifying – separating – and assorting solids – Plural – diverse separating operations – Sifting and stratifying
Patent
1979-05-07
1981-07-21
Hill, Ralph J.
Classifying, separating, and assorting solids
Plural, diverse separating operations
Sifting and stratifying
209427, 209486, 209498, 233 27, B03B 512
Patent
active
042797411
ABSTRACT:
A centrifugal jig receives a pulp material within a rotating cylindrical jig bed for the purpose of separating the pulp into a selected heavy fraction and a lightweight fraction. The jig bed is cylindrical. It is rotated to produce an outward centrifugal force on the pulp material that is substantially greater than the force of gravity. A liquid is pulsed inwardly to produce a fluidic bed within the rotating jig bed to permit settling and separation of the heavy fraction from the lightweight fraction. The heavy fraction is screened and passed radially outward to be collected outside the bed. The lightweight fraction or tailings are moved over a discharge edge of the jig bed and are collected at a station remote from the heavy fraction collection area.
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Taggart, Handbook of Mineral Dressing, John Wiley & Sons, Inc., N.Y., N.Y., 1945, pp. 11-01-11-55.
Hill Ralph J.
Intercontinental Development Corporation
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