Classifying – separating – and assorting solids – Sifting – Feeding and discharging
Patent
1979-06-28
1981-09-01
Halper, Robert
Classifying, separating, and assorting solids
Sifting
Feeding and discharging
209273, 209300, 209306, B07B 104
Patent
active
042870550
ABSTRACT:
Pressure sorting method and apparatus in which the velocity of the rejected suspension component along the screen surface in a substantially direct path to a rejected suspension outlet has a vertical velocity component which is a multiple of the velocity of the accepted suspension through the screen openings by virtue of the cross-sectional area of the unsorted and rejects annular chamber at the inlet end being less than one third the sum of the clear cross-sections of the screen openings. The velocity ratio is maintained by decreasing the area of the annular chamber from the inlet to the rejects outlet. In a preferred embodiment, the accepts annular chamber increases towards the accepts outlet to compensate for the decrease in the unsorted and rejects annular chamber area.
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Firma Hermann Finckh Maschinenfabrik GmbH & Co.
Halper Robert
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