REFRACTORY FOR REPAIRING COKE OVEN

摘要

PROBLEM TO BE SOLVED: To efficiently repair joint breakage or cracks generated in the oven wall of a carbonization chamber of a chamber-type coke oven, and to retain the repairing effect for a long period of time.

SOLUTION: A refractory for repairing a coke oven includes: 5-50 mass% of an obsidian-based and/or perlite-based hollow aggregate, 3-30 mass% of a powdery frit, and the balance being an oxide-based material.

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