B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
68/2
B01D 46/04 (2006.01) B01D 35/16 (2006.01)
Patent
CA 1057523
ABSTRACT OF THE DISCLOSURE A method of and apparatus for cleaning fabric filters of bag type or the like by exposing the filter bags to a pressure pulse of cleaning medium which is supplied to the filter bags through a cleaning apparatus comprising a pressure tank for containing the filter medium in the form of a gaseous medium under pressure, preferably compressed air. A distribution passageway communicating with the tank and provided with nozzles or orifices is directed to the apertures of the bags, a valve means and control means are provided for producing the pressure pulse. An end of the distribution passageway which projects into the pressure tank is covered by a valve means in the form of a disc or diaphragm and surrounded by pressure medium and is exposed rapidly whereby the pressure pulse in the bag reaches a high maximum value with high velocity in pressure increase.
300820
Axelsson Birger
Rosby Sven-Olof
LandOfFree
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