Furnaces – Refuse incinerator – Refuse suspended in or supported by a fluid medium
Patent
1986-04-30
1987-02-03
Favors, Edward G.
Furnaces
Refuse incinerator
Refuse suspended in or supported by a fluid medium
110216, 110263, 122 4D, F23G 500, F23G 700
Patent
active
046402012
ABSTRACT:
A circulating fluidized bed furnace (10) is disclosed wherein a non-cyclonic particulate separator (18) is integrally disposed in the flue gas flow path between the furnace gas outlet (14) and the flue gas duct (16). The separator (18) comprises an arcuate duct (20 ) having a curvilinear inner wall (24), the portion thereof which is disposed across the inlet to the flue gas duct (16) having a plurality of openings (28) therein which provide a flow area through which a portion of the flue gas pass into the flue gas duct (16). Gas/solids separation is accomplished as the flue gas turns sharply from its arcuate path to pass through the openings (28) in the inner wall (24). The momentum of the particulate solids and the centrifugal forces acting thereon prevent the solids from sharply turning and cause the solids to continue on their arcuate flow path through the duct (20) in the remaining flue gas to a solids collection means (40) opening to the solids outlet (26) of the arcuate duct (20).
REFERENCES:
patent: 4442795 (1984-04-01), Strohmeyer, Jr.
patent: 4445844 (1984-05-01), Matthews
patent: 4454838 (1984-06-01), Strohmeyer, Jr.
Holmes Myron L.
Smolensky Leo A.
Combustion Engineering Inc.
Favors Edward G.
Habelt William W.
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