Method for moten iron desulfurization using slag of desulfurized molten iron

The invention discloses a method for using desulfurizing slag for molten iron desulfurization, which comprises, keeping the desulfurization slag temperature above 600 deg C, charging 80-40 wt% of desulfurization slag into the molten iron, charging 20-60 wt% of CaO-based desulfurizing agent into the...

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Bibliographische Detailangaben
1. Verfasser:	ZHONGFU,YU ZHAO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	The invention discloses a method for using desulfurizing slag for molten iron desulfurization, which comprises, keeping the desulfurization slag temperature above 600 deg C, charging 80-40 wt% of desulfurization slag into the molten iron, charging 20-60 wt% of CaO-based desulfurizing agent into the molten iron, stirring 8-25 minutes, finally discharging the slag.