Combustion – Combustion products return structure – Recirculation about mixing or combustion chamber wall or baffle
Patent
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.
Brazier John F.
Sutton Gordon W.
Viney John E.
Young Alan H.
Focarino Margaret A.
Tauranca Limited
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