External fluid catalytic cracking unit regenerator plenum manifo

Details External fluid catalytic cracking unit regenerator plenum manifo External fluid catalytic cracking unit regenerator plenum manifo

1975-01-16

1976-02-17

Tayman, Jr., James H.

Chemistry: physical processes

Physical processes

Crystallization

23288S, 208161, 55342, 55345, 55346, 55349, 252417, B01J 818, B01D 4512

Patent

active

039389600

ABSTRACT:
An improvement in a regenerator which incorporates an external plenum on the exterior of the regenerator apparatus for receiving and collecting the flue gases separated from regenerated catalyst by a plurality of cyclone separators or other separating apparatus is disclosed. The external plenum communicates by means of stand pipes through the wall of the regenerator. This supports the cyclone separators or other separating means mechanically and avoids certain thermal stresses which would otherwise occur in the plenum if it were placed on the interior of the regeneration chamber.

REFERENCES:
patent: 2419245 (1947-04-01), Arveson
patent: 2534778 (1950-12-01), Kuhn
patent: 2895906 (1959-07-01), Harper
patent: 3254476 (1966-06-01), Kusek et al.

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