COOLING DEVICE FOR HOT-DIP PLATED STEEL SHEET
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United States of America Patent
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Sep 28, 2017
app pub date -
Oct 24, 2014
filing date -
Oct 24, 2014
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Abstract
The present invention provides a cooling device for a hot-dip plating device provided on an upper side of a plating thickness control device in a conveyance route of a hot-dip plated steel sheet that is conveyed from a plating bath in a vertically upward direction. The cooling device includes: a main cooling device that vertically sprays a main cooling gas to the hot-dip plated steel sheet; and a preliminary cooling device that is provided in a preliminary cooling section between the main cooling device and the plating thickness control device in the conveyance route, and sprays a preliminary cooling gas to a plurality of gas collision positions which are set along the preliminary cooling section.
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