Process and apparatus for combustion of liquid and gaseous fuels

Details Process and apparatus for combustion of liquid and gaseous fuels Process and apparatus for combustion of liquid and gaseous fuels

1986-02-03

1988-02-16

Focarino, Margaret A.

Combustion

Process of combustion or burner operation

In a porous body or bed, e.g., surface combustion, etc.

431 8, 431 10, 422177, F23D 340

Patent

active

047252227

ABSTRACT:
A process and apparatus for the nitric oxide-free reaction of liquid and gaseous fuels with heat in heat generators in a plurality of stages. The reaction is carried out in four successive stages, permitting the combustion of a portion of the fuel with a portion of the combustion air in a cooled annular chamber with a stoichiometric or overstoichiometric ratio. The remaining amount of fuel is mixed in a mixing unit connected downstream. The resulting mixture is catalytically reacted to fission or fuel gas with downstream cooling of the fission gas in a heat exchanger. The fission gas so formed is burned in one part of the cooled annular chamber of the second stage. On mixing of the burned combustion gas with the remainder of the fission gas in the catalyst, downstream cooling of the slightly overstoichiometric flue gas so formed is carried out in a heat exchanger.

REFERENCES:
patent: 2205554 (1940-06-01), Brandgee et al.
patent: 3948223 (1976-04-01), Benson
patent: 3982879 (1976-09-01), Pfefferle
patent: 4145178 (1979-03-01), Egnell et al.
patent: 4354821 (1982-10-01), Kesselring et al.
patent: 4395223 (1983-07-01), Okigani et al.
patent: 4526529 (1985-07-01), Bernard et al.

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