Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1976-01-30
1977-05-10
Lutter, Frank W.
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55283, 55287, 55294, 55302, B01D 4604
Patent
active
040225950
ABSTRACT:
A filtering device is disclosed for removing particulate solids from a continuously flowing gas stream and which comprises a filter chamber that contains filter bags from which filtered gas is discharged into a plurality of plenum chambers arranged in a radial pattern around the axial center line of the filter. A pressure blower for a cleaning gas is located centrally with respect to the plenum chambers, and the casing of the blower is intermittently revolvable and has an outlet which sequentially falls into alignment with outlets in the plenum chambers through which filtered gas normally flows outward, but through which the cleaning gas is injected inwardly when aligned with the outlet of the blower casing, thereby providing means for intermittently reversing the gas flow in the filter bags and momentarily generating a pressure therein which is greater than exists in the filter chamber. This results in flexing of the bags and reverse flow of gas through their walls for dislodging filter cake which accumulates thereon.
REFERENCES:
patent: 2723726 (1955-11-01), Pellon
patent: 2844216 (1958-01-01), Swanson
patent: 2974748 (1961-03-01), Swanson
patent: 2976953 (1961-03-01), Haas et al.
patent: 3097936 (1963-07-01), Lincoln
patent: 3277633 (1966-10-01), Smoot
patent: 3487609 (1970-01-01), Caplan
patent: 3491518 (1970-01-01), Williams
patent: 3695007 (1972-10-01), Farnworth
patent: 3793811 (1974-02-01), Bourne
patent: 3854910 (1974-12-01), Hammerquist
Air-O-Matics, Inc.
Lacey David L.
Lutter Frank W.
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