FCC stripper with multiple integrated disengager

Details FCC stripper with multiple integrated disengager FCC stripper with multiple integrated disengager

1994-05-27

1995-09-12

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422145, 422147, 208113, F27B 1508, C01G 1100

Patent

active

054494982

ABSTRACT:
A method and apparatus for an FCC process uses means for dissipating turbulent flow at the outlet of a disengaging vessel to provide a quick separation of catalyst from product vapors and to prevent reentrainment of catalyst into the disengaging vessel. The process and apparatus use a riser for the conversion of an FCC feedstock and direct the effluent from the riser directly into a disengaging vessel to separate catalyst from the product vapors. Catalyst is directed downwardly out of the outlet of the disengaging vessel and through a series of dissipator plates that dissipate turbulent flow by eliminating the tangential velocity that would be otherwise introduced by the vortex and would lead to reentrainment of catalyst. A stripping vessel is located immediately below the disengaging vessel outlet to receive catalyst as it leaves the dissipator plates.

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