METHOD FOR AGGLOMERATING STEELMAKING DUST

METHOD FOR AGGLOMERATING STEELMAKING DUST

PROBLEM TO BE SOLVED: To provide a method for agglomerating steelmaking dust by which agglomerated bodies having strength higher than ever before can be manufactured economically with high productivity. SOLUTION: Formed bodies 10, which contain the steelmaking dust and quicklime and in which the amo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YUKI TOSHITAKA, HIRAMOTO YUJI, KATO KATSUHIKO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for agglomerating steelmaking dust by which agglomerated bodies having strength higher than ever before can be manufactured economically with high productivity. SOLUTION: Formed bodies 10, which contain the steelmaking dust and quicklime and in which the amount of metal iron is made to 5 to 60 mass%, are stacked in a yard 11 to form a heap 12 in which surface area per unit volume is made to 1 to 20 m2/m3. The formed bodies in the heap 12 are naturally oxidized to economically manufacture the agglomerated bodies having strength higher than ever before with high productivity. COPYRIGHT: (C)2007,JPO&INPIT