Fluid fuel fired burner

Details Fluid fuel fired burner Fluid fuel fired burner

1986-02-21

1987-11-24

Focarino, Margaret A.

Combustion

Combustion products return structure

Recirculation about mixing or combustion chamber wall or baffle

431182, 431188, F23C 900, F23L 100

Patent

active

047086386

ABSTRACT:
The flame temperature of a fluid fuel fired burner (10) is reduced by mixing flue gas (35) with the combustion air supply (34) before introduction of the fuel and combustion take place. The NOX produced by the process of combustion is thereby reduced. The flue gas (35) may also be induced from the furnace remote from the flame zone of the burner (10) such that the flame is not disturbed. A venturi (21) may be used to induce the flue gas (35) from the furnace.

REFERENCES:
patent: 3413069 (1968-11-01), Walsh
patent: 3741166 (1973-06-01), Bailey
patent: 3838652 (1974-10-01), Schol
patent: 4230445 (1980-10-01), Janssen
patent: 4575332 (1986-03-01), Oppenberg et al.

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