Furnaces – With control means responsive to a sensed condition – Feed control
Patent
1989-05-04
1990-07-24
Wayner, William E.
Furnaces
With control means responsive to a sensed condition
Feed control
236 15E, 431115, F23N 502
Patent
active
049428322
ABSTRACT:
A furnace for controlling flame temperature and emission of NOx comprising a burner to which fuel and air are supplied and product of combustion are discharged, wherein said air is vitiated with said products of combustion; a means for sensing furnace operating parameters including a flow rate sensor for sensing a flow rate of fuel to said burner and a first temperature sensor for sensing furnace temperature; and a means for controlling the amount of air vitiated with products of combustion, said controlling means in communication with said sensing means such that the amount of products of combustion vitiated with the air is controlled as a function of at least one of the rate of flow of fuel to said burner, the air temperature, and the furnace temperature, said control means is responsive throughout a firing range of said burner.
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Low NOx Burners Metallurgical and Process Furnaces, Hovis 7/30/85.
Bloom Engineering Company, Inc.
Wayner William E.
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