| 摘要 |
The present invention relates to a vacuum degassing device which includes a vacuum unit including vacuum equipment; and an insertion unit which is connected to the vacuum unit and inserted into a ladle and which forms a flow passage which returns molten steel stored in the ladle. The insertion unit includes an iron piece unit which includes metallic materials and forms a flow passage; and brick units which are stacked up on the iron piece unit and which include ceramic materials. The present invention can smoothly perform a decarburization task of molten steel. |
