Global Patent Index - EP 1054067 A2

EP 1054067 A2 2000-11-22 - Method and installation for closing and opening of a tap hole of a metallurgical vessel

Title (en)

Method and installation for closing and opening of a tap hole of a metallurgical vessel

Title (de)

Verfahren und Einrichtung zum Verschliessen und Öffnen eines Stichloches eines metallurgischen Gefässes

Title (fr)

Procédé et dispositif pour obturer et ouvrir un trou de coulée dans un récipient métallurgique basculant

Publication

EP 1054067 A2 (DE)

Application

EP 00108441 A

Priority

AT 90899 A

Abstract (en)

Taphole closing and opening process, especially for a steelworks converter, comprises moving a closure body between inoperat and closed positions in directions lying in different planes.

Abstract (de)

Bei einem Verfahren zum Verschließen und Öffnen eines Stichloches eines metallurgischen Gefäßes, bei dem ein Verschlußkörper (4) unter Freilassung eines Ringspaltes zwischen dem Verschlußkörper (4) und der Wand des Stichloches aus einer Warteposition (I) in eine das Stichloch verdeckende Schließposition (II) und retour gebracht werden kann, und wobei, zumindest in der Schließposition (II), ein Druckgas in das Stichloch entgegen der Ausströmrichtung einer im metallurgischen Gefäß enthaltenen Schmelze eingeleitet wird, wird zur Vermeidung einer Verbärung der Verschlußkörper (4) mit in unterschiedlichen Flächen liegenden Bewegungsrichtungen aus der Warteposition (I) in die Schließposition (II) und retour bewegt. <IMAGE>

IPC 1-7 (main, further and additional classification)

C21B 7/12; C21C 5/46; F27D 3/15

IPC 8 full level (invention and additional information)

B22D 41/14 (2006.01); C21B 7/12 (2006.01); C21C 5/46 (2006.01); F27D 3/15 (2006.01); F27D 3/16 (2006.01)

CPC (invention and additional information)

F27D 3/1509 (2013.01); B22D 41/14 (2013.01); C21B 7/12 (2013.01); C21C 5/4653 (2013.01); F27D 3/159 (2013.01); F27D 3/16 (2013.01)

Designated contracting state (EPC)

DE FR GB IT SE

EPO simple patent family

EP 1054067 A2 20001122; EP 1054067 A3 20010321; EP 1054067 B1 20040602; AT 407399 B 20010226; AT A90899 A 20000715; DE 50006657 D1 20040708; US 6379608 B1 20020430

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