Bag-type filter apparatus with internal air diffuser

Details Bag-type filter apparatus with internal air diffuser Bag-type filter apparatus with internal air diffuser

1979-09-18

1980-11-04

Prunner, Kathleen J.

Gas separation

With nonliquid cleaning means for separating media

Cohesive filter media cleaning

55341R, 55379, B01D 4604

Patent

active

042317703

ABSTRACT:
The cleaning of a tubular filter bag when a periodic reverse purge of air is directed into the outlet end of the filter bag is significantly enhanced in accordance with the present invention by providing interiorly of the filter bag means for diffusing and distributing the reverse purge of air throughout the filter bag. More particularly, a hollow diffuser tube is provided extending longitudinally within the tubular supporting cage of the filter bag with one end of the diffuser tube communicating with the outlet end of the filter bag. The diffuser tube has perforations therein located for diffusing and distributing air throughout the filter bag when a periodic reverse purge of air is directed into the outlet end of the filter bag and into the diffuser tube.

REFERENCES:
patent: 2828017 (1958-03-01), Ronningen et al.
patent: 3594992 (1971-07-01), Carr et al.
patent: 4097255 (1978-06-01), Samolis

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