Low pollutant - emission, high efficiency cyclonic burner for fi

Details Low pollutant - emission, high efficiency cyclonic burner for fi Low pollutant - emission, high efficiency cyclonic burner for fi

1991-08-01

1993-05-11

Chambers, A. Michael

Liquid heaters and vaporizers

Flue

Horizontal

122136C, 431 9, 431173, F22B 0700

Patent

active

052091872

ABSTRACT:
A low pollutant emission, high efficiency cyclonic burner and cyclonic combustion process for firetube boilers and heaters in which the combustion air required for complete combustion is introduced into the cyclonic burner in stages. Fuel and primary combustion air in an amount of about 30% to about 90% of the stoichiometric requirement for complete combustion of the fuel are tangentially injected into a primary combustion zone of a combustion chamber within the burner. Secondary combustion air in an amount of about 10% to about 90% of the stoichiometric requirement for complete combustion of the fuel is introduced into a secondary combustion zone in the combustion chamber downstream of the primary combustion zone. The combustion chamber walls are cooled to maintain the combustion chamber temperature between about 1600.degree. F. and 2400.degree. F.

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