Process for heating steel melts as well as device for performing

Details Process for heating steel melts as well as device for performing Process for heating steel melts as well as device for performing

1989-07-10

1990-07-17

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

266221, C21C 706

Patent

active

049419137

ABSTRACT:
In a process for heating within a ladle (5) steel melts (10) being covered with a slag (8) rich in iron oxides, in particular for continuous steel production processes such as, for example, the KVA-process, thereby using metallothermal heat, there is (are) during filling the ladle (5), insufflated by an inert gas via nozzles (14) provided in the bottom (12) of the receiving ladle (5) for the mixture of bath and slag a metal, such as, for example, Al, Si, their mixtures or alloys, in particular FeSi, exothermically reacting with the oxygen of the bath and with the oxygen of the slag as well as, optionally, pulverulent slag formers, such as, for example, CaO, Al.sub.2 O.sub.3, MgO and/or SiO.sub.2.

REFERENCES:
patent: 3598383 (1971-08-01), Moore
patent: 3885957 (1975-05-01), Richter
patent: 4036635 (1977-07-01), Klapdar
patent: 4636249 (1987-01-01), Laycock

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