Arrangement for fine dust separation in a fluidized bed reactor

Details Arrangement for fine dust separation in a fluidized bed reactor Arrangement for fine dust separation in a fluidized bed reactor

1985-10-21

1988-02-16

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422147, 55427, 55431, 55459R, 55468, 55466, 554591, B01J 818

Patent

active

047254092

ABSTRACT:
An arrangement for fine dust separation in a fluidized bed reactor with a clone and dust return conduit. A venturi tube extends from the solids discharge of the cyclone intermediate the cyclone and the dust return conduit, and a gas injector is located at the inlet of the venturi tube. The fine dust which leaves the fluidized bed is separated from the exhaust gas in the cyclone, and the separated dust is conducted from the cyclone, through the venturi tube and the dust return conduit, and into the lower region of the fluidized bed. Gas is conducted through the gas injector to help force the separated dust through the return conduit and into the fluidized bed.

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