Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1985-06-12
1986-05-06
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 58, C21C 702
Patent
active
045869553
ABSTRACT:
The invention relates to a process for desulphurizing hot metal in a ladle, in particular in a torpedo ladle, wherein first aluminum and then, by means of a carrier gas, lime (CaO) are blown into the hot metal. The characterizing feature of the invention is that at a rate of 2-20 liters (S.T.P.) of carrier gas/kg of desulphurizing agent, a solid which evolves a gas in the hot metal is blown in together with the lime.
REFERENCES:
patent: 3998625 (1976-12-01), Koros
patent: 4126453 (1978-11-01), Heck
patent: 4137072 (1979-01-01), Kawakami
patent: 4462823 (1984-07-01), Fontaine
Hammer Rudolf
Meichsner Walter
Peters Karl-Heinz
Rosenberg Peter D.
Thyssen Stahl AG
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