Bottom screen for fluidized bed apparatus

Details Bottom screen for fluidized bed apparatus Bottom screen for fluidized bed apparatus

1980-03-19

1982-03-16

Garris, Bradley

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

34 57A, 34 57B, 118DIG5, 422143, 432 58, B01J 836, B01J 844

Patent

active

043200893

ABSTRACT:
A fluidized bed apparatus comprises a container 18 and a bottom screen 16. The screen 16 comprises a perforated plate 28 having a plurality of large openings therein above each of which is secured a perforated cone 34. Fluid blown through a duct 12 passes through the perforations in the plate 28 and the perforations in the cones 34 into material 10 which is thereby fluidized. Circulation of the material 10 is rendered more uniform and the risk of damage lessened.

REFERENCES:
patent: 3190627 (1965-06-01), Goins
patent: 3394468 (1968-07-01), Zeller
patent: 3494046 (1970-02-01), Harkreader
patent: 4080927 (1978-03-01), Brown

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