Standard Havens, Inc.

Richard P Bundy

Lamson Rheinfrank, Jr

Jack T Clements

D Bruce Zumsteg

A 24-hour operable baghouse plant with on-line maintenance features. The filter cartridge, comprising a tube sheet and a plurality of vertically suspended filters, includes a skeletal framework and a plurality of retaining bars traversing the bottoms of the filters to receive a stud projecting from the end cap of each filter. The tube sheet is equipped with retractable locking bars which cooperate with guide and support members attached to the housing walls to wedge the tube sheet to sealing engagement with the housing.

Apparatus for filtering particulate-laden gases

Prior to initiating cleaning of the filter assemblies with high pressure air, process gas flow is restricted, as with a flow control valve, to establish a pressure drop across the baghouse in the range 1/4 to 1/2 inches water gauge.

Baghouse cleaning method

A disposable filter cartridge for suspension from the tube sheet in a baghouse. A wire mesh cylindrical cage is rigidly fitted with a diffuser having plurality of flexible fingers which sealingly encircle the tube sheet collar. A fabric filter sleeve encases the cage and has an upper seal skirt of greater diameter than the outside diameter of the diffuser. The cage may be equipped with a bottom end cap having an annular groove adjacent the cage to facilitate crimping thereon. The bottom of an open filter sleeve may be provided with a cuff having a continuous sealing band disposed therein of slightly larger diameter than the bottom end cap.

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Prairie Village, KS, United States of America

Richard P Bundy