Fluidized bed particulate material treating apparatus

Details Fluidized bed particulate material treating apparatus Fluidized bed particulate material treating apparatus

1991-11-22

1992-11-10

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34 57D, 432 58, F26B 1700

Patent

active

051613158

ABSTRACT:
A fluidized bed particulate material treating apparatus is provided having a fluidizing bedplate formed with apertures of a frusto-conical configuration. The apertures are formed with walls divergent from an exit end at an angle in the range of 25-45 degrees with a plurality of apertures formed in the bedplate in closely spaced relationship resulting in interaction of the airflow from the apertures to levitate the material as it is transported over the bed by the air flowing through the apertures.

REFERENCES:
patent: 3361539 (1968-01-01), Pyzel
patent: 3370361 (1968-02-01), Guerrieri
patent: 3815255 (1974-06-01), Yamato
patent: 4194971 (1980-03-01), Beeckmans
patent: 4419834 (1983-12-01), Scott
patent: 4608766 (1986-09-01), Kawai et al.
patent: 4787152 (1988-11-01), Mark
patent: 4930230 (1990-06-01), Weckherlen et al.

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