METHOD FOR PRODUCING MOLTEN STEEL

PROBLEM TO BE SOLVED: To produce molten steel by effectively utilizing Mn-containing dust generated in a production process of ferro-manganese as Mn source in an alloy component for steel. SOLUTION: The production method for molten steel in this invention is performed as the followings, that a forme...

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Bibliographische Detailangaben
Hauptverfasser:	KAMEYAMA KYOICHI, SUGA TAKUYA, OYAMA TOMOJI, TANAKA YOSHIYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY DISPOSAL OF SOLID WASTE FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION AND REFINING OF METALS RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To produce molten steel by effectively utilizing Mn-containing dust generated in a production process of ferro-manganese as Mn source in an alloy component for steel. SOLUTION: The production method for molten steel in this invention is performed as the followings, that a formed material containing Mn-containing dust, aluminum dross generated in the production process for ferro-manganese and binder for agglomerating these materials, is charged in a ladle during tapping off of the molten steel from a refining furnace into a ladle, and manganese oxide in the Mn-containing dust is reduced with the metallic Al in the aluminum dross to recover the Mn-content in the Mn-containing dust into the molten steel. COPYRIGHT: (C)2009,JPO&INPIT