Gas separation – With nonliquid cleaning means for separating media – Cohesive filter media cleaning
Patent
1979-03-09
1981-10-20
Clements, Gregory N.
Gas separation
With nonliquid cleaning means for separating media
Cohesive filter media cleaning
55474, 55479, 55350, 55523, 55524, 55528, B01D 2730, B01D 3330, B01D 3906
Patent
active
042958687
ABSTRACT:
In an apparatus for cleaning hot gases a filter housing has an inlet for unfiltered gas and an outlet for filtered gas. A plurality of filtered inserts are placed within the housing in a manner capable of filtering undesirable components from the gas feed stream. Each filter insert is made of a fibrous filter material. Silicic-acid glass fibers have a silicic acid content of at least 90%. Coated upon the fibers and absorbed into their pores is a metal oxide of aluminum, titanium, zirconium, cromium, nickle or cobalt. A honeycombed cage filled with high temperature resistant perlite is located within the housing between the gas inlet and the fiber inserts. The cage has an inlet and outlet external to the housing for replacing the perlite. A combustion chamber mounted in the housing has a discharge nozzle located so that the nozzle is directed at the filter inserts. Combusting materials in the chamber causes an explosive backflow of gases through the filter inserts.
REFERENCES:
patent: 2220127 (1940-11-01), Slayter
patent: 2978064 (1961-04-01), Deaver
patent: 3665547 (1972-05-01), Boylan
patent: 3894514 (1975-07-01), Caudill et al.
patent: 3927165 (1975-12-01), Grochol et al.
patent: 3966441 (1976-06-01), Freze
Gresch Heinz
Holter Heinz
Hubner Kurt
Igelbuscher Heinrich
Weber Ekkehard
Clements Gregory N.
Industrie-Wert Beteiligungsgesellschaft mbH
Wray James C.
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