IMMERSION NOZZLE EXCHANGING APPARATUS AND UPPER NOZZLE
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
May 11, 2022
filing date -
May 11, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An immersion nozzle exchanging apparatus and an upper nozzle capable of preventing damage to a plate of the upper nozzle are provided. An immersion nozzle exchanging apparatus is mounted on a lower portion of a molten steel outlet of a tundish. The immersion nozzle exchanging apparatus includes a support and a flap. The support has a support surface to support a lower surface of a plate of an upper nozzle inserted into the molten steel outlet. The flap is rotatable with respect to the support. The immersion nozzle exchanging apparatus further includes a rotation stopper for the flap. The rotation stopper includes a wedge to abut against the flap by projecting to an upper side of the flap, and a bolt connected to the wedge, and enables adjustment of a projection amount of the wedge by adjusting a fastening amount of the bolt.
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