Exchangeable continous casting nozzle

摘要

An exchangeable continuous casting nozzle used for a slide nozzle device (100) connected to an upper nozzle (1) disposed on a bottom portion of a container for molten metal, comprises a nozzle including a flange portion (22) made of a refractory material having a through hole for receiving molten metal flowing out of the upper nozzle (1), and a tube body of a refractory material having another through hole following the through hole, and a metal protecting body including a metal casing portion (26A) surrounding the flange portion (22), a metal skirt portion (26B) surrounding an upper portion of the tube body following the flinge portion (22), and metal reinforcing portions disposed on the slide nozzle device (100) in parallel with a direction to detach/attach the nozzle for reinforcing junction between the metal casing portion (26A) and the metal skirt (26B).