| 摘要 |
CLOSURE DEVICE FOR A MELT VESSEL A closure device for a metallurgical melt vessel is to be so constructed that frozen melt zones are carried away through the flow passage (7) at the beginning of pouring. For this purpose, the flow cross-section of the flow passage (7) broadens from an inlet opening (8) within the melt to an outlet opening (12). (Figure 1)
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