MUD MATERIAL AND FILLING METHOD THEREOF

PROBLEM TO BE SOLVED: To add sufficient flowability during filling a mud material used by being filled to the mud gun with vibration of a vibration device by casting from a hopper to a mud gun, and to achieve compactness improvement of a mud material structure closing a tap pore.SOLUTION: A fire res...

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Bibliographische Detailangaben
Hauptverfasser: HIRANO TAKAYUKI, OTSUBO YUJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To add sufficient flowability during filling a mud material used by being filled to the mud gun with vibration of a vibration device by casting from a hopper to a mud gun, and to achieve compactness improvement of a mud material structure closing a tap pore.SOLUTION: A fire resistant material and a binder are contained, the fire resistant contains carbon black of 2 to 6 mass%, the binder is tar, and a viscosity at 60°C is 350 mPa s to 2500 mPa s. The tar is added at 12 mass% to 25 mass% as an outer percentage based on 100 mass% of the fire resistant material.