Seal system for a process vessel

Details Seal system for a process vessel Seal system for a process vessel

1988-09-28

1990-08-07

Shoap, Allan N.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

29462, 29469, 52573, 277 1, 277 26, 277DIG6, 422311, E04B 168, F16J 1500, F26B 1502

Patent

active

049466550

ABSTRACT:
A seal system for a circular perforated grid floor in a walled process vessel is disclosed, wherein air is passed upwardly through the perforations in the grid floor into catalyst bed, and by-passing of air through a gap between the grid floor and the wall of the process vessel is prevented by the seal. The seal system relies on the grid floor expanding into an annular space which is partially filled with a compressible packing material. When heated, the grid floor compresses the packing material to form the desired air tight seal between the grid floor and the vessel wall.

REFERENCES:
patent: 2595384 (1952-05-01), Johnsen et al.
patent: 2690962 (1954-10-01), Clarke
patent: 3462246 (1969-08-01), Copeland
patent: 3553847 (1971-01-01), Kramer et al.
patent: 4493816 (1985-01-01), Becker et al.
patent: 4581882 (1986-04-01), Pallo et al.

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