REDUCED IRON PRODUCTION METHOD AND REDUCED IRON PRODUCTION DEVICE

REDUCED IRON PRODUCTION METHOD AND REDUCED IRON PRODUCTION DEVICE

Provided is a reduced iron production method that can efficiently produce reduced iron without preheating raw materials. The reduced iron production method includes charging an agglomerate, which is a raw material of reduced iron, into a reducing furnace while introducing a reducing gas, which conta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TERUI Koki, HIGUCHI Takahide, YAMAMOTO Tetsuya
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:Provided is a reduced iron production method that can efficiently produce reduced iron without preheating raw materials. The reduced iron production method includes charging an agglomerate, which is a raw material of reduced iron, into a reducing furnace while introducing a reducing gas, which contains hydrogen as a main component, into the reducing furnace, and reducing iron oxide contained in the agglomerate by the reducing gas to obtain reduced iron, where the agglomerate to be charged into the reducing furnace is an agglomerate that retains heat obtained during its production, and the heat is used in a reduction reaction of the iron oxide.