Continuous melting, refining and casting process

Details Continuous melting, refining and casting process Continuous melting, refining and casting process

1982-03-17

1983-12-06

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 13, 75 48, 75 56, 75 60, C21C 532

Patent

active

044191286

ABSTRACT:
In a continuous melting, refining and casting process which comprises, substantially in series, a step of melting and carburizing steel scrap, iron scrap and/or reduced iron as a raw material in a combustion-type melting furnace, a refining step by blowing of oxygen, a refining and holding step and a continuous casting step, the improvement wherein an intermediate holding step in a holding furnace is provided between the melting and carburizing step and the refining step so that the molten metal tapped from the melting furnace is held in the intermediate holding furnace for a certain period of time and continuously fed to the refining step at a predetermined flow rate, and wherein the refining conditions in the refining step are controlled according to one or more characteristics of the molten metal in the intermediate holding step.

REFERENCES:
patent: 3960547 (1976-06-01), Kirkpatrick et al.

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