Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1977-10-11
1979-06-12
Lutter, Frank W.
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55287, 55294, 55302, B01D 4604
Patent
active
041578996
ABSTRACT:
A cleaning system for sleeve-type air filters featuring top removal of sleeves of the filtering media and increased filtering capacity, using sharply pulsed backflushing air of short duration from a single source for cleaning the sleeves which requires substantially less power and simpler mechanical structure than conventional filters of similar capacity. Filter sleeves depend from clean air outlet ports which are arrayed in concentric rings in a porting plate in closely-spaced relation one from the next at uniform circular and radial pitches allowing more sleeves to be packed in the porting plate which separates the clean air section from the dusty air section of said filter and more capacity from the same size filter than was heretofore possible. A tank is repetitively charged with air to a set pressure by a pump and the pressurized air is released by a pulse generating valve for distribution of the air to said sleeves for backflushing at essentially random frequency. Each sleeve in the filter receives, on the average, one pulse of cleaning air every 2 to 5 minutes.
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CEA Carter-Day Company
Diver John R.
Lacey David L.
Lutter Frank W.
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