Method and apparatus for sealing the inlet of a filter compartme

Details Method and apparatus for sealing the inlet of a filter compartme Method and apparatus for sealing the inlet of a filter compartme

1981-10-09

1982-12-21

Lacey, David L.

Gas separation

Means within gas stream for conducting concentrate to collector

55 96, 55 97, 55287, 55288, 55303, B01D 4604, B01D 4644

Patent

active

043647499

ABSTRACT:
A method and apparatus for isolating one or more of the filter compartments in a baghouse installation wherein an inlet damper having a pair of spaced closure members is provided in the inlet duct of each of the compartments. When the inlet damper associated with one of the compartments is closed to isolate the compartment, the closure members seal off the inlet duct to form a chamber within the duct which is vented to the atmosphere through an air damper adapted to admit heated ambient air into the chamber to prevent the flue gases from seeping into the compartment.

REFERENCES:
patent: 3057137 (1962-10-01), Perlis et al.
patent: 3266225 (1966-08-01), Barr
patent: 3325979 (1967-06-01), Smith
patent: 3630004 (1971-12-01), Adair et al.
patent: 3945400 (1976-03-01), Slakey
patent: 4010013 (1977-03-01), Murayama
patent: 4277255 (1981-07-01), Apelgren

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