Gas blast nozzle for molten metal and method of using the same

Details Gas blast nozzle for molten metal and method of using the same Gas blast nozzle for molten metal and method of using the same

1997-01-24

1999-01-26

Kastler, Scott

Metallurgical apparatus

Process

Tuyere operation

266217, 266265, 266DIG1, C21B 716

Patent

active

058634908

ABSTRACT:
A gas blast nozzle for a furnace for processing molten metal has a prolonged service life and is free from gas leakage. The nozzle comprises a refractory block having a narrow straight bore and a small metal pipe slidably arranged in the straight bore. A gas is blown by the small metal pipe. When the gas blast nozzle is partially worn, the small metal pipe is moved upwardly to project into the furnace and the worn area is filled with a refractory material.

REFERENCES:
patent: 5371759 (1994-12-01), Wells et al.

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