Furnaces – With exhaust gas treatment means – Means separating particles from exhaust gas
Patent
1985-04-30
1986-04-08
Dority, Jr., Carroll B.
Furnaces
With exhaust gas treatment means
Means separating particles from exhaust gas
110266, F23D 100
Patent
active
045805032
ABSTRACT:
A reaction chamber with a fluidized bed encloses two superposed cyclone separators connected in series. In order to prevent combustion gases from entering the lowermost separator by way of its particulate matter outlet, this is formed as a downwardly extended pipe, which is enclosed by a sleeve through which secondary air passes. The sleeve projects somewhat below the mouth of the pipe, and the issuing air causes an ejector action, which prevents gas from entering the pipe. The particulate matter return flow pipe from the upper cyclone is also extended downwards and terminates within the ejector. A storage vessel is located below the reaction chamber. An open conduit extends from the storage vessel to a location above the fluidized bed. Also, there is a return conduit for returning material from the storage vessel to an area above the fluidized bed. An equalizing conduit connects the vessel with an ejector supplying air to the fluidized bed.
REFERENCES:
patent: 2718754 (1955-09-01), Lewis et al.
patent: 3716003 (1973-02-01), Battcock
patent: 3763830 (1973-10-01), Robinson et al.
patent: 4021184 (1977-05-01), Priestley
Dority Jr. Carroll B.
Gotaverken Energy Systems AB
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