Method for melting and refining metals

Details Method for melting and refining metals Method for melting and refining metals

1986-11-21

1988-06-21

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5923, 266226, C21C 532

Patent

active

047523301

ABSTRACT:
This invention relates to a lance/burner apparatus and a method for melting and refining metals. Combustion produced from an oxy-fuel or fuel-air-oxygen flame is used to preheat and melt scrap. Oxygen is introduced through a lance pipe into the molten scrap to refine the metal.

REFERENCES:
patent: 4023781 (1977-05-01), Fritz et al.
patent: 4575393 (1986-03-01), Bates et al.

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