| 摘要 |
PROBLEM TO BE SOLVED: To prevent occurrence of a problem of operation stop in treatment equipment by surely detecting discharge failure of molten slag from a melting furnace. SOLUTION: An indicator 12 indicates a temperature of cooling water 3, which changes consequent upon a failure of molten-slag discharge from a melting furnace. An operator in a monitoring room visually monitors the indicated temperature of the cooling water 3 to detect a failure of molten-slag discharge from the melting furnace.
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