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    • 6. 发明授权
    • Device for hot dip coating metal strip including a snout and an extension piece
    • 用于热浸镀金属带的装置,包括一个鼻孔和一个延伸件
    • US09453275B2
    • 2016-09-27
    • US14765691
    • 2014-02-04
    • ThyssenKrupp Steel Europe AG
    • Jegor BergenFrank SpellekenMichael PetersManuele RuthenbergFriedhelm MachereyFlorian Spelz
    • C23C2/00C23C2/12C23C2/06C23C2/38C23C2/40B05C3/12B05D1/18B05C11/06
    • C23C2/003B05C3/125B05C11/06B05D1/18C23C2/06C23C2/12C23C2/38C23C2/40Y10S118/19
    • An apparatus for hot dip coating metal strip is disclosed having a dip bath vessel (4), a snout (6) which opens into the dip bath vessel for introducing a metal strip (1) which is heated in a continuous furnace into the dip bath, and a deflecting roller (7) which is arranged in the dip bath vessel for deflecting the metal strip (1) which enters into the dip bath in a direction which points out of the dip bath. The snout (6) is provided with a shaft-shaped snout extension piece (6.1) for increasing the snout dipping depth, the internal width of the snout extension piece (6.1) tapering toward its outlet opening (6.15) at least over a part length of said snout extension piece (6.1). As a result, an increase or maximization of the eddy flow in the molten metal at or close to the metal strip (1) and therefore improved homogenization of the molten metal in the region of the strip is achieved, as a result of which slag-induced surface defects on the surface of the coated metal strip (1) can be avoided.
    • 公开了一种用于热浸镀金属条的装置,其具有浸渍槽容器(4),一个通向浸渍槽容器中的导管(6),用于将在连续炉中加热的金属条(1)引入浸渍槽 以及设置在浸浴槽中的偏转辊(7),用于使金属条(1)沿着从浸渍槽指向的方向偏转进入浸浴。 喷嘴(6)设置有用于增加喷嘴浸渍深度的轴状喷嘴延伸件(6.1),使喷嘴延伸件(6.1)的内部宽度朝着其出口(6.15)渐缩至少部分长度 的所述鼻部延伸片(6.1)。 结果,实现了在金属条(1)处或附近的熔融金属中的涡流的增加或最大化,并因此实现了在条带区域中熔融金属的均匀化,结果, 可以避免在涂覆金属带(1)的表面上引起的表面缺陷。