PROCESS AND DEVICE FOR OPENING A SEALING ELEMENT,WHICH CANNOT BE ACTUATED,OF THE BOTTOM NOZZLE OF A CASTING VESSEL

A method of and apparatus for opening a sealing element, which cannot be actuated, of the bottom nozzle of a casting vessel, especially during continuous casting, wherein the steel which issues is passed through an immersion tube into the next steel receiver. According to the invention an oxygen inf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKAGAWA H, YANAGIDA M, SAKANOUE S, BRUDERER W
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A method of and apparatus for opening a sealing element, which cannot be actuated, of the bottom nozzle of a casting vessel, especially during continuous casting, wherein the steel which issues is passed through an immersion tube into the next steel receiver. According to the invention an oxygen infeed or lead is introduced through the hollow compartment or cavity associated with the casting jet into the region of the sealing element, the casting vessel together with the immersion tube is brought into the casting position, after introducing the steel at the beginning of casting the sealing element is lanced or burned and the oxygen infeed or lead is removed through the steel which issues from the hollow compartment or cavity associated with the casting jet.