Bag-type filter apparatus with combination bag support and air d

Details Bag-type filter apparatus with combination bag support and air d Bag-type filter apparatus with combination bag support and air d

1979-09-26

1981-03-31

Prunner, Kathleen J.

Gas separation

With nonliquid cleaning means for separating media

Cohesive filter media cleaning

55379, B01D 4604

Patent

active

042590957

ABSTRACT:
In order to achieve improved cleaning of a tubular filter bag when a reverse purge of air is directed into the filter bag, there is provided interiorly of the filter bag an elongate tube which is constructed in such a way as to serve for supporting and holding the filter bag in an open tubular configuration and for also diffusing and distributing air directed to the filter bag when a reverse purge of air is directed into the filter bag for cleaning of the filter bag. The elongate tube has peripheral portions extending outwardly beyond other portions of the tube for engaging and holding the surrounding filter bag, and the portions of the tube located inwardly therefrom have perforations located for diffusing and distributing the reverse purge of air directed into the filter bag.

REFERENCES:
patent: 3206178 (1965-09-01), Lamb
patent: 3291310 (1966-12-01), Marvel
patent: 3471024 (1969-10-01), Doucet
patent: 3633753 (1972-01-01), Petitjeun
patent: 3633757 (1972-01-01), Madern et al.

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