MUD FILLING STRUCTURE AND MUD FILLING METHOD

PROBLEM TO BE SOLVED: To provide a mud filling structure and a mud filling method by which a molten pig iron tapping hole can be closed while efficiently repairing the molten pig iron tapping hole. SOLUTION: The hard mud A and a soft mud B used for repairing are prepared, and the mud A and the B are...

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Bibliographic Details
Main Authors KITAMURA TOSHIKI, OGAMI MASAMICHI, SAGUCHI YASUKI, OGAMI AKINORI
Format Patent
LanguageEnglish
Published 26.04.2007
Subjects
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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Summary:PROBLEM TO BE SOLVED: To provide a mud filling structure and a mud filling method by which a molten pig iron tapping hole can be closed while efficiently repairing the molten pig iron tapping hole. SOLUTION: The hard mud A and a soft mud B used for repairing are prepared, and the mud A and the B are alternately charged into a cylinder 2, wherein the mud A is arranged at the top end part (nozzle side) and the tail end part (piston side). The molten pig iron tapping hole 5 is closed by alternately charging two kinds of muds A, B into the molten pig iron tapping hole 5 by using a mud-gun 1 filled in such way. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050299118