There is an opening in the bottom of the ladle called nozzle which is sealed with a vertical refractory stopper.
盛钢桶底有个叫作水口的孔,由一根直立的耐火材料做的塞棒堵住。
2
Besides the stirring forces, the swirling strength may be reinforced by using bending nozzle, which use the height potential energy of molten steel in ladle.