DRY SPRAYING MONOLITHIC REFRACTORY FOR REPAIRING TUNDISH BLENDED WITH SPENT REFRACTORY

DRY SPRAYING MONOLITHIC REFRACTORY FOR REPAIRING TUNDISH BLENDED WITH SPENT REFRACTORY

PROBLEM TO BE SOLVED: To provide dry spraying monolithic refractory for repairing a tundish which has excellent corrosion resistance, stickness and adhesion and capable of effectively utilizing used monolithic refractories. SOLUTION: In the dry spraying monolithic refractory used for repairing the l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAEKAWA AKIYOSHI, NISHI KOICHI, SHINPO AKIHIRO, YUBIHARA TOMOYUKI, ASO SEIJI, ISOBE TOSHIHIRO
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide dry spraying monolithic refractory for repairing a tundish which has excellent corrosion resistance, stickness and adhesion and capable of effectively utilizing used monolithic refractories. SOLUTION: In the dry spraying monolithic refractory used for repairing the lining of the tundish used by coating the surface of a lining main body with a refractory coating material, the used refractory as a refractory raw material having a composition mainly containing 10-75 mass% of the crashed and grain size-controlled used alumina magnesia based monolithic refractory in which mullite mineral (Al2O3SiO2) is produced when the refractory is used, 3-20 mass% of alumina superfine powder and/or silica superfine powder having