| 摘要 |
<p>Set of ceramic (refractory) elements for a casting gate (10), comprising a metallic reinforcement (12) mounted on a metallurgical vessel (1), a stationary ceramic plate (14) including a port (14a), a movable ceramic plate (16) including a port (16a), a collector nozzle (42), displacement means for displacing the movable plate (14) with respect to the stationary plate (16) so as to control the covering-over of the port of the stationary plate by the port of the movable plate. Pressure means (26) make it possible to press the movable plate against the stationary plate, a stationary ceramic plate (14) and a movable ceramic plate (16) and the collector nozzle (42) are capable of being linked together so as to constitute a set which may be introduced into and/or removed from the casting gate (10) in a single operation. <IMAGE></p> |
