Gas separation – With nonliquid cleaning means for separating media – Cohesive filter media cleaning
Patent
1994-02-03
1995-03-07
Bushey, Charles S.
Gas separation
With nonliquid cleaning means for separating media
Cohesive filter media cleaning
553411, 95280, B01D 4600
Patent
active
053954092
ABSTRACT:
A dust collecting apparatus wherein a plurality of elongate filter elements are periodically cleaned by a reverse pulse cleaning system which directs a reverse pulse of air through the open end of each filter element so as to remove contaminants which have collected on its external surface. The reverse pulse cleaning system has an air delivery pipe above each of the filter elements, and each air delivery pipe includes an air delivery nozzle assembly which includes at least one pair of transverse pipe sections which are transversely aligned and extend in opposite directions from the air delivery pipe, to define a cross-like configuration in plan view. A plurality of apertures are disposed in a linear line along the air delivery pipe, and at least one aperture is disposed in each of the transverse pipe sections. By this arrangement, the cross-sectional configuration of the reverse pulse of air entering into the top of each filter element may be predetermined, so as to ensure that the pulse properly impacts the interior of the filter element and effectively removes the collected contaminants.
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Edwards Robert R.
Klimczak William J.
Bushey Charles S.
Dustex Corporation
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