Nozzle for fuel and oxygen lance assembly

Details Nozzle for fuel and oxygen lance assembly Nozzle for fuel and oxygen lance assembly

1974-12-09

1976-04-13

Dost, Gerald A.

Metallurgical apparatus

With control means responsive to sensed condition

With means responsive to condition of treated material

2391323, F27D 2300

Patent

active

RE0287695

ABSTRACT:
A lance for directing oxygen and fuel oil to a basic oxygen furnace includes a central fuel pipe, an insulating pipe around said fuel pipe, an oxygen pipe and water coolant pipes, all concentrically disposed. The central fuel pipe and insulating pipe have closed bottom walls and a plurality of relatively narrow fuel tubes are connected to bores in the bottom wall of the fuel tube, extend through the bottom wall of the insulating pipe and extend into three converging-diverging orifices. The narrow fuel tubes are supported in cantilever fashion and are concentric with each orifice.

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