Device for filtering stack gases

Details Device for filtering stack gases Device for filtering stack gases

1983-10-19

1985-04-23

Lacey, David L.

Gas separation

With nonliquid cleaning means for separating media

With sequential cleaning of plural units

55302, 55422, 55481, 55DIG30, 422171, 422178, B01D 4610

Patent

active

045127875

ABSTRACT:
A device for filtering stack gases, such as produced by a coal fired electric generating plant, includes a plurality of movable dual filter elements positioned downstream from the point of combustion where dry solid waste including calcium sulphite (CaSO.sub.3) and fly ash are present in the flue gas, the multiple dual filters being arranged for reciprocation into and out of the flue gas stream so that they may be alternately loaded in filtering the dry solid waste from the flue gas and cleaned by a vacuum system, each of the reciprocable dual filters being arranged to actuate a valve controlling communication with the vaccum cleaning system.

REFERENCES:
patent: 350059 (1886-09-01), Ince
patent: 2843217 (1958-07-01), von Linde
patent: 3375638 (1968-04-01), Dungler
patent: 3615248 (1971-10-01), Holler, Jr.
patent: 3686832 (1972-08-01), Hori et al.
patent: 3823532 (1974-07-01), Cooper et al.
patent: 4081255 (1978-03-01), Evans

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