Method of separating granular pourable materials of different de

Details Method of separating granular pourable materials of different de Method of separating granular pourable materials of different de

1978-01-25

1980-03-04

Hill, Ralph J.

Classifying, separating, and assorting solids

Stratifiers

Elements

209158, 209454, B03B 1100

Patent

active

041916425

ABSTRACT:
A method of separating granular pourable materials in fluidized bed layers formed by fluid media. These layers are withdrawn by a fluidizing medium from the top downwardly one after the other down to slightly above the border surface of the lowest layer but one. Subsequently, the fluidizing medium which remains above the residual layer is rotated, and the residual layer is completely withdrawn by means of the thus created secondary radial flow toward the central region.

REFERENCES:
patent: 1669820 (1928-05-01), Grant et al.
patent: 2629496 (1953-02-01), Laughlin
patent: 3619425 (1971-11-01), Blain et al.
patent: 3797660 (1974-03-01), Miller
patent: 3862029 (1975-01-01), Joyce

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