METHOD FOR DEPHOSPHORIZATION OF MOLTEN IRON, AND REFINING AGENT

When performing dephosphorization treatment of hot metal (2) by adding a refining agent (7) as a lime source and an oxygen source (dephosphorizing agent(s) (11, 12) and a gaseous oxygen source (9)) into the hot metal (2) accommodated in a hot metal holding container (1), the refining agent (7) used...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	FUJII Yusuke, MORI Mikihiro, NAKAI Yoshie, MAEDA Takahiko, NISHIGUCHI Noritaka, KIKUCHI Naoki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	When performing dephosphorization treatment of hot metal (2) by adding a refining agent (7) as a lime source and an oxygen source (dephosphorizing agent(s) (11, 12) and a gaseous oxygen source (9)) into the hot metal (2) accommodated in a hot metal holding container (1), the refining agent (7) used is a refining agent having an Ig-loss value of from 4.0% by mass to 35.0% by mass and including 60% by mass or more of quick lime.