Fuel cooled oxy-fuel burner

Details Fuel cooled oxy-fuel burner Fuel cooled oxy-fuel burner

1984-12-31

1986-04-15

Dority, Jr., Carroll B.

Combustion

Fuel disperser installed in furnace

Disperser cooled by fluid additional to furnace feed

431175, 431187, 431353, F23D 1136

Patent

active

045824797

ABSTRACT:
A high velocity oxygen fuel burner (10) includes a combustor assembly (11) mounted in a graphite block (12), with the burner mounted in a water jacket (18) of a furnace. The combustor assembly includes a combustion chamber (48) that receives a stream of oxygen along its center axis (51). The fuel moves from fuel barrel (32) through fuel passages (50), with a portion of the fuel being diverted into the combustion chamber (48) by the annular fuel diverter ring (52) and with the rest of the fuel moving on through the fuel extension passages (50b) and through nozzle ring (34). The nozzle ring directs the fuel into the flame as it emerges from the combustion chamber, so that the fuel from the nozzle has a cooling effect at the exposed end of the burner and tends to develop the flame in an annular ring about the stream of high velocity oxygen that is directed toward the work product in the furnace.

REFERENCES:
patent: 3115405 (1963-12-01), Boyd
patent: 3197539 (1965-07-01), Hinds
patent: 3387784 (1968-06-01), Ward, Jr.
patent: 3427151 (1969-02-01), Koudelka et al.
patent: 4473350 (1984-09-01), Gitman
Developments in the Use of Oxy/Gas Burners; Journal of the Institute of Fuel-Mar. 1967.
High Efficiency Operation for Electric Arc Furnace; Steelmaking; Toshin Steel Co., Ltd., Sep. 1975.

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