Process and apparatus intended to effect staged combustion of a

Details Process and apparatus intended to effect staged combustion of a Process and apparatus intended to effect staged combustion of a

1988-12-14

1990-05-15

Green, Randall L.

Combustion

Fuel disperser installed in furnace

Plural feed means extending to common wall opening of furnace

431189, 431284, 431285, F23C 700

Patent

active

049253875

ABSTRACT:
The invention relates to a process and an apparatus intended to effect the combustion of a mixture of air and liquid or gaseous fuel, wherein the injection of the fuel is staged without that of the air for combustion being staged. According to the invention, in addition to the primary means (20, 34) for injecting fuel into the passage (10, 14) supplying air to the burner, secondary injection means (24) mounted inside said passage are provided and comprise a main part (24a) which is extended by a terminal part (24b) bent in such a manner that the end of said terminal part is situated downstream of the end of the primary means (20, 34) and at a distance from the axis (2) of said passage which is greater than the minimum section of the latter. The invention is applicable both to so-called parallel air admission burners and to burners having swirl vanes.

REFERENCES:
patent: 3180395 (1965-04-01), Reed
patent: 3260301 (1966-07-01), Zoschak et al.
patent: 3700376 (1972-10-01), Niepenberg et al.
patent: 3822110 (1974-07-01), Paredes et al.
patent: 4347052 (1982-08-01), Reed et al.
patent: 4465459 (1984-08-01), Benninghoven
patent: 4505666 (1985-03-01), Martin et al.

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