| 摘要 |
PURPOSE:To realize stable operation and improvement in the quality of a billet by the constitution in which the molten metal introduced from a pouring nozzle into a tundish vessel solidifies after passing through a filter consisting of porous refractories. CONSTITUTION:The molten metal flow falling from a pouring nozzle 3 into a tundish vessel 2 collides against a porous refractory filter 4 and the falling energy thereof is absorbed. The molten metal flows downward toward surface moving molds 1a, 1b after the dynamic flow is converted to static flow when the molten metal passes through said filter 4. The flowing phenomenon of the molten metal is therefore considerably decreased as compared to the case in which such filter is not used. The molten metal passing through the filter is adequately regulated by selecting the proper pore distribution of the filter 4. |
