Heating – Processes of heating or heater operation – Of heating a fluid
Patent
1997-06-12
1998-10-06
Walberg, Teresa J.
Heating
Processes of heating or heater operation
Of heating a fluid
432209, 34 86, 122 7R, F27B 516
Patent
active
058167960
ABSTRACT:
A furnace for heating a process fluid stream which includes means for precisely controlling the temperature of pre-heated combustion air. The system includes a process fluid stream being heated within the furnace and an adjunct loop fluid stream line which acts as a heat exchange system by communication with the process fluid stream. The adjunct loop comprises a heat collecting leg positionable within the combustion area of the furnace and a heat donating leg positionable adjacent a source of combustion air. Manipulation of the flow of process fluid through the heat donating leg provides control of the temperature of the combustion air and consequently control of the stack exhaust temperature. A valve system, which may be manually controlled or thermostatically controlled responds to a present, or desired, temperature of the stack exhaust.
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Massa Robert E.
The G. C. Broach Company
Walberg Teresa J.
Wilson Gregory A.
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