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1. 发明专利

JPS54148119A Heat prevention in repairing inner wall of vacuum degassing container dipping tube 失效
标题翻译：真空灭菌容器管内壁修复加热防护
公开(公告)号：JPS54148119A
公开(公告)日：1979-11-20
申请号：JP5633178
申请日：1978-05-12
申请人： Nippon Steel Corp
发明人： MATSUURA SHIGERU , TAKAHAMA HAJIME , SAKAO SUKEYASU , MIZOGUCHI SHIGERU , YAMAMOTO TOSHIO
IPC分类号： C21C7/10
CPC分类号： C21C7/10
摘要： PURPOSE:To prevent radiation heat from the inside of container promptly and simply by inserting a flexible heat-preventing plate with notches on its outside circumference into the lower opening end of dipping tube when repairing the damaged portion of the dipping tube's inner wall of vacuum degassing container for molten steel during hot working. CONSTITUTION:In repairing the damaged portion 4 of the inner wall of the dipping tube 2 of the vacuum degassing container 1 during hot working, repairing is made by preventing the radiation heat from the inside of the vacuum degassing container 1 by inserting the thin flat steel plate 12 of a shape similar to the inside circumference of the dipping tube 2 to the upper part of the damaged portion 4 into the lower opening end 19 of the dipping tube. The flexible portion 14 is formed on the outside circumference of the thin flat steel plate 12 by cutting the notches 13 at several places, and also a projection piece, e.g., the bar 15, etc., is connected to the flexible portion 14 so that the maximum diameter L, including the bar 15, becomes larger than the inside diameter B of the dipping tube 2.
摘要翻译：目的：为了在维修浸渍管内壁真空脱气的损坏部分时，及时，简单地防止容器内部的辐射热在其外圆周上插入具有凹口的柔性防热板进入浸渍管的下开口端热加工期间钢水容器。构成：在热加工时，为了修复真空脱气容器1的浸渍管2的内壁的损坏部分4，通过将薄扁钢板插入真空脱气容器1的内部，防止辐射热量进行修复板12，其形状类似于浸渍管2的内周到损坏部分4的上部，进入浸渍管的下开口端19。柔性部分14通过在多个位置切割切口13而形成在薄扁钢板12的外圆周上，并且诸如杆15等的突出件也连接到柔性部分14，使得包括杆15的最大直径L变得大于浸渍管2的内径B.

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