Method for increasing the scrap melting capability of metal refi

Details Method for increasing the scrap melting capability of metal refi Method for increasing the scrap melting capability of metal refi

1983-09-01

1984-07-31

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, C21C 534

Patent

active

044628250

ABSTRACT:
In a metal refining process where oxygen is blown into the molten melt from both above and below, the oxygen serving to remove carbon impurities from the melt, and carbon monoxide being emitted from the melt and burned by the oxygen from above so as to add heat to the melt, the improvement in which the oxygen from above is introduced at a location exterior to an opening in a vessel above the melt. The invention is particularly suited for use with the Q-BOP steelmaking process.

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patent: 3839017 (1974-10-01), Schempp
patent: 3895784 (1975-07-01), Kolb et al.
patent: 3902889 (1975-09-01), Malin
patent: 3953199 (1976-04-01), Michaelis
patent: 3960546 (1976-06-01), Rote et al.
patent: 3970446 (1976-07-01), Kolb
patent: 3997335 (1976-12-01), Kolb
patent: 3999977 (1976-12-01), Kolb
patent: 4047936 (1977-09-01), Chang
patent: 4178173 (1979-12-01), Gorges
patent: 4195985 (1980-04-01), Brotzmann
patent: 4201572 (1980-05-01), Slamar

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