Method and apparatus for restraining lifting of radial reactor c

Details Method and apparatus for restraining lifting of radial reactor c Method and apparatus for restraining lifting of radial reactor c

1982-07-30

1984-06-05

Chiesa, Richard L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including solid, extended surface, fluid contact reaction...

208146, 285 24, B01J 802, B01J 3502

Patent

active

044527616

ABSTRACT:
In a radial flow catalytic reactor, a centerpipe is gravity supported in a central socket member and restrained as to vertical upward movement within a predetermined maximum distance to prevent unseating of the centerpipe due to thermal cycling of the catalyst and/or the reactor internal members.
Such vertical movement of the centerpipe is restrained by means, such as one or more rods, interposed between the top of the centerpipe and an upper portion of the vessel. Similarly, restraining rods may be used to confine vertical movement of the screen segments enclosing the catalyst bed.
Additionally, the centerpipe may include a perforated pipe enclosed within a cylindrical screen member forming a major portion of the centerpipe. The pipe is independently seated in the central socket member so it may expand and contract independently of catalyst action on the centerpipe screen section.

REFERENCES:
patent: 2916361 (1959-12-01), Lewis et al.
patent: 2997374 (1961-08-01), Lavender, Jr. et al.
patent: 3027244 (1962-03-01), Byrne et al.
patent: 3051561 (1962-08-01), Grimes
patent: 3652231 (1972-03-01), Greenwood et al.
patent: 4033727 (1977-07-01), Vautrain
patent: 4244922 (1981-01-01), Burke et al.
patent: 4276265 (1981-06-01), Gillespie
patent: 4374095 (1983-02-01), Legg et al.

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