Bubble cap assembly in an ebullated bed reactor

Details Bubble cap assembly in an ebullated bed reactor Bubble cap assembly in an ebullated bed reactor

1987-11-27

1989-10-17

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

13753311, 2611142, 2611144, 422140, B01J 818

Patent

active

048745839

ABSTRACT:
A bubble cap assembly and distributor plate is revealed uniquely suited for a reactor in an ebullated bed process. In the riser of the bubble cap assembly a ball check valve is mounted on a valve seat. An orifice mixer below the valve seat delivers a homogeneous vapor-liquid mixture to the orifice in the valve seat thereby minimizing slug flow which causes destructive valve chatter. The fluid outlet port is positioned in the riser to hydraulically limit ball travel between the valve seat and the cap, eliminating the need for pins or other restraints.

REFERENCES:
patent: Re25770 (1965-04-01), Johanson
patent: 2488249 (1949-11-01), White
patent: 3197286 (1965-07-01), Farkas et al.
patent: 3197288 (1965-07-01), Johanson
patent: 3298793 (1967-01-01), Mallison et al.
patent: 3475134 (1969-10-01), Weber et al.
patent: 3921663 (1975-11-01), Beranek et al.
patent: 4062656 (1977-12-01), Blaser et al.
patent: 4707340 (1987-11-01), Milligan
patent: 4715996 (1987-12-01), Lambousy et al.

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