| 摘要 |
A stopper device for controlling a flow of molten metal at an outlet opening of a metallurgical vessel, said device comprising: a) a rod like body ( 12 ) with a longitudinal axis (A) and made of a refractory ceramic material, b) an elongated bore hole ( 14 ) extending from an upper surface of said body ( 12 ) towards its opposite lower end, wherein c) said bore hole ( 14 ) being equipped, at least at its portion adjacent the lower end of the body ( 12 ), with at least one fixing means ( 16 ) adapted to receive corresponding fixing means ( 18 ) of a refractory ceramic part ( 20, 22, 38 ) to be fixed at the lower end of the body ( 12 ).
|
