Heating – Processes of heating or heater operation – Controlling flame position or work atmosphere
Patent
1976-12-06
1978-08-22
Camby, John J.
Heating
Processes of heating or heater operation
Controlling flame position or work atmosphere
236 15BD, F27D 700
Patent
active
041085949
ABSTRACT:
This metal heating method includes burning an air-gas fuel mixture as it flows into a furnace, flowing hot exhaust gases out of the furnace to an exhaust stack after it has impinged on or been brought into association with the metal in the furnace for heating the same, and thereafter measuring the temperature of gases in the stack. This gas temperature is used for controlling the pressure of the air and also of the gas fuel supplied to the furnace for combustion and with the pressure supplied being reduced when temperatures excessive to predetermined temperatures exist in the stack, but at the same time, a desired high fuel-to-air ratio is maintained to provide a reducing atmosphere in the furnace.
REFERENCES:
patent: 2293550 (1942-08-01), Kells
patent: 3689041 (1972-09-01), Pere et al.
patent: 3721519 (1973-03-01), Venetta
patent: 3813209 (1974-05-01), Venetta
Coughlin John Edward
Singrey Raymond Edward
Venetta Henry John
Camby John J.
Venetta, Inc.
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