METHOD FOR HEATING AGGLOMERATES

PROBLEM TO BE SOLVED: To provide a method for heating agglomerates, capable of further reducing uneven heating of the agglomerates while suppressing increase in device cost and operation cost.SOLUTION: The method for heating agglomerates for heating agglomerates molded by mixing iron oxide raw mater...

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Bibliographische Detailangaben
Hauptverfasser:	TAIRA HATSUO, HARADA HIROSHI, AOKI RIICHI, SUGIBASHI ATSUSHI, ONUKI KAZUO, NAKAMURA HISASHI
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a method for heating agglomerates, capable of further reducing uneven heating of the agglomerates while suppressing increase in device cost and operation cost.SOLUTION: The method for heating agglomerates for heating agglomerates molded by mixing iron oxide raw material and a reductant in a solid reduction furnace includes: a radiation heating step of heating the agglomerates charged in the solid reduction furnace by the radiation heat of a burner provided in the solid reduction furnace; and a microwave heating step of heating the agglomerates at a position where the agglomerates reach a predetermined temperature inside the solid reduction furnace by irradiating the agglomerates with microwaves having a specific microwave output for a specific irradiation time by a microwave oscillation device provided in the solid reduction furnace.