Refining process based on top-blowing with oxygen

Details Refining process based on top-blowing with oxygen Refining process based on top-blowing with oxygen

1977-11-07

1979-08-07

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 52, C21C 532, C21C 530

Patent

active

041636635

ABSTRACT:
A process for refining iron melts by blowing oxygen onto the surface of the iron melt, the quantity or concentration of the stream of oxygen being kept constant for most of the blowing time and being reduced in one or more stages towards the end of the blowing time without any significant increase in the total blowing time.

REFERENCES:
patent: 3850617 (1974-11-01), Umowski
patent: 3930843 (1976-01-01), Fruehan
patent: 4001012 (1977-01-01), Rote

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