Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1980-03-12
1982-02-16
Rosenberg, P. D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 44S, 75 60, 266218, C21C 548
Patent
active
043157726
ABSTRACT:
A process for the production of steel from a quantity of charge material such as iron scrap, iron sponge, or other essentially metallic iron carriers, makes use of a bottom-blowing converter. Nozzles are provided in the bottom area of the converter and extend into a sump. In order to avoid an uncontrolled flow without the addition of molten pig iron, a molten bath is formed of the charge material by the provision of burners located at the bottom wall area in a lateral wall above the nozzles, finally distributed carbon and oxygen being separately blown in through the nozzles for producing additional melting. The burners may be located either slightly above the level of the molten bath or below such level and in the latter case, the burners are then operated as additional nozzles after their submersion.
REFERENCES:
patent: 3894864 (1975-07-01), Langhammer
patent: 3897243 (1975-07-01), Langhammer
patent: 3948642 (1976-04-01), Gross
patent: 3982926 (1976-09-01), Geck
patent: 4097028 (1978-06-01), Langhammer
patent: 4110108 (1978-08-01), Geck
Chitil Manfred
Mantey Paul G.
Klockner-Werke AG
Rosenberg P. D.
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