METHOD OF DRYING RAW GRANULATED MATERIAL TO BE SINTERED

PROBLEM TO BE SOLVED: To provide a method of drying a raw granulated material to be sintered, preventing powdering from a surface of the granulated material and reducing a powder rate after drying while maintaining strength improvement effect of the granulated material by drying.SOLUTION: A binder c...

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Hauptverfasser:	KASHIMURA SHIGERU, OYAMA KOICHI, YATSUGAYO KENICHI, OSADA JUNJI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FERROUS OR NON-FERROUS ALLOYS HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of drying a raw granulated material to be sintered, preventing powdering from a surface of the granulated material and reducing a powder rate after drying while maintaining strength improvement effect of the granulated material by drying.SOLUTION: A binder consisting of either one or two of caustic lime and hydrated lime is added to a raw material to be sintered used for iron steel manufacturing, and the raw material to be sintered is granulated, a temperature of the granulated material at an outlet side of a fluid bed type dryer is set at 50°C to 80°C when drying the granulated material by the fluid bed type dryer, and a moisture content of the granulated material is set at 1 mass% to 4 mass% by outer percentage.