Furnaces – Including means to feed solid fuel – Power driven
Patent
1981-10-13
1984-01-24
O'Conner, Daniel J.
Furnaces
Including means to feed solid fuel
Power driven
110322, 126 99D, 126 77, 126112, F23K 310, F24H 300
Patent
active
044269374
ABSTRACT:
A heat exchanger furnace includes a firebox, a heat exchanger housing in communication with the firebox for receiving combustion gases therefrom, and a plenum housing surrounding the heat exchanger housing so as to define a plenum chamber therebetween. A plurality of baffles are supported in vertically spaced apart relation within the heat exchanger housing, which baffles include peripheral edges disposed in clearance relation from the housing sidewalls whereby hot combustion gases rising within the heat exchanger housing are directed outwardly adjacent the heat exchanger sidewall for increased heat transfer to the plenum chamber. Exhaust tubes at the top of the heat exchanger housing may be directed through the plenum chamber for providing additional heat transfer surfaces therein. The firebox may have a frusto conical shaped sidewall whereby the combustion surface area may be adjusted with the level of fuel in the firebox. A forced air supply to the firebox may include a transfer tube in communication with the fuel inlet passage to prevent the escape of combustion gases from the firebox through the fuel inlet passage.
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Sietmann Vernon H.
Stockdale Elmer G.
Stockdale Steven C.
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