METHODS AND DEVICE FOR DECARBONISING A STEEL MELT

Decarburization of molten steel (3), especially in stainless steel production in a metallurgical vessel (2) and particularly a converter, involves treatment with oxygen and an inert gas if required and especially argon and/or nitrogen. To decarburize molten steel with carbon content of =0.3 wt.%, th...

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Bibliographische Detailangaben
Hauptverfasser:	MUELLER, JOHANNES, SPIESS, JOHANNES, ZHAI, YUYOU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY METALLURGY METALLURGY OF IRON MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS VINEGAR WINE
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Beschreibung
Zusammenfassung:	Decarburization of molten steel (3), especially in stainless steel production in a metallurgical vessel (2) and particularly a converter, involves treatment with oxygen and an inert gas if required and especially argon and/or nitrogen. To decarburize molten steel with carbon content of =0.3 wt.%, the gas is introduced through an opening (5) below the molten steel level and a blower lance (6, 7) over the molten steel surface, to bring the gas into contact with the metal.