A refractory-lined cover for ladles in steelmaking, controlling heat loss and preventing slag contamination.
A structural component designed to fit over the top opening of a refractory-lined ladle used in steelmaking and metal casting processes. It serves as a thermal barrier to minimize heat radiation and convection losses from molten metal, while also preventing atmospheric oxidation, slag carryover, and contamination from external debris. Typically constructed with an insulated refractory lining and a steel outer shell, it may include features like observation ports, gas injection ports, or lifting mechanisms.
诱因 → 失效模式 → 工程缓解
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To minimize heat loss from molten metal and prevent slag or contaminants from entering the ladle.
By reducing temperature drop, it lowers reheating energy costs and maintains metal quality for casting.
A steel outer shell with an inner lining of high-alumina refractory materials for thermal insulation.
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