Fuel-water vapor premix for low NOx burning

Details Fuel-water vapor premix for low NOx burning Fuel-water vapor premix for low NOx burning

1974-11-26

1978-05-16

Favors, Edward G.

Combustion

Heated line section feeds flame holder

Heated section supplied by separate diverse feeds, e.g.,...

431 4, 431 5, 431 11, 431202, F23D 1144

Patent

active

040896390

ABSTRACT:
A method and apparatus for burning fuels with air, with reduced production of NOx, involves the premixing of water vapor with the fuel prior to the burning operation. Because of the low retention of water vapor at low temperatures, means are provided for preheating the fuel and spraying water into the fuel so that water vapor will be taken up by the heated fuel in sufficient quantity to provide the desired results. Various embodiments of apparatus are illustrated.

REFERENCES:
patent: 885972 (1908-04-01), Bennett
patent: 3804579 (1974-04-01), Wilhelm
patent: 3814567 (1974-06-01), Zink et al.
patent: 3829275 (1974-08-01), Stranahan et al.
patent: 3921389 (1975-11-01), Kawaguchi

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