Nozzle structure

A nozzle structure for discharging molten steel with improved sealing performance. The nozzle structure comprises: a molten steel discharge path having an inner bore; and one or more joints through which the molten steel discharge path is divided at one or more positions in a orthogonal direction wi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kuroda, Takahiro, Sadano, Takashi, Mizobe, Arito, Fukunaga, Shinichi, Okada, Takuya
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A nozzle structure for discharging molten steel with improved sealing performance. The nozzle structure comprises: a molten steel discharge path having an inner bore; and one or more joints through which the molten steel discharge path is divided at one or more positions in a orthogonal direction with respect to an upward-downward direction of discharge of molten steel, and which join the molten steel discharge path. An inner bore sleeve is formed of a refractory material, and provided on an inner bore surface of the nozzle structure to extend in the upward-downward direction across at least one of the joints.