Self-aerating spent catalyst distributor

Details Self-aerating spent catalyst distributor Self-aerating spent catalyst distributor

1995-11-13

1997-06-03

Kim, Christopher

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422145, 422139, F27B 1508

Patent

active

056351402

ABSTRACT:
A spent catalyst distributor in a fluid catalytic cracking unit regenerator is self aerated by attaching to the underside of each trough arm a contiguous lip which captures rising aeration fluid and uses the aeration fluid to aerate spent catalyst flowing through the trough arms of the spent catalyst distributor. Orifices in the bottom plate of each trough arm pass the captured aeration fluid up into the spent catalyst flowing within the trough arm. The aeration fluid provides aeration and fluidization of the spent catalyst to facilitate the flow of the spent catalyst through the trough arms of the spent catalyst distributor.

REFERENCES:
patent: 4051069 (1977-09-01), Bunn, Jr. et al.
patent: 4150090 (1979-04-01), Murphy et al.
patent: 4615992 (1986-10-01), Murphy
patent: 4721603 (1988-01-01), Krug et al.
patent: 4888156 (1989-12-01), Johnson
patent: 4927606 (1990-05-01), Cetinkaya et al.
patent: 5156817 (1992-10-01), Luckenbach

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