Gas separation – With nonliquid cleaning means for separating media – With automatic control of cleaning means
Patent
1982-02-04
1984-05-01
Prunner, Kathleen J.
Gas separation
With nonliquid cleaning means for separating media
With automatic control of cleaning means
55302, 55324, 55334, 55341R, 55374, 55379, 55381, 55418, 55484, 55498, 55500, 55502, 55505, 55525, B01D 4604, B01D 5000
Patent
active
044459122
ABSTRACT:
Effluent with entrained particles is drawn through a filter module (A) by an exhaust blower (B). The filter module includes an inertial separator (C) for providing an inertial separation of particles from the effluent air and a plurality of filter cartridges (D) which allow air to pass therethrough but not particles. A plenum E interconnects the filter cartridges with the exhaust blower to channel the filtered air from the filter module to the exhaust blower. A flow controller (F) controls the flow rate of air through each of the filter cartridges maintaining it substantially constant. The flow controller includes a flow rate sensor for sensing the flow rate through each filter cartridge and a butterfly damper blade for selectively restricting the plenum to maintain the flow rate substantially constant. A filter cartridge cleaner (G) is selectively actuated when the flow controller is unable to maintain a preselected minimum flow rate. The cartridge cleaner includes a pneumatic shock wave generator disposed in the plenum in axial alignment with each of the filter cartridges. A heat exchanger housing (400) surrounds the filter module to recover heat from the filtered air.
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Metzger David A.
Ostby Donald H.
Ostby Robert R.
Volk Michael
Prunner Kathleen J.
The Mike Volk Co., Inc.
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