Water-blocking apparatus and water-blocking method for cooling water for hot-rolled steel sheet
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United States of America Patent
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May 16, 2017
Grant Date -
Apr 16, 2015
app pub date -
Jun 6, 2013
filing date -
Jun 8, 2012
priority date (Note) -
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Abstract
A water-blocking apparatus for cooling water for a hot-rolled steel sheet according to the present invention, which blocks cooling water sprayed onto a hot-rolled steel sheet at a sprayed water density of higher than 4 m3/m2/min and equal to or less than 10 m3/m2/min when the hot-rolled steel sheet is cooled after finish rolling of a hot-rolling process, includes: a plurality of water-blocking nozzles which spray water-blocking water onto the hot-rolled steel sheet. Impact areas of the water-blocking water respectively sprayed from the water-blocking nozzles are continuously lined up in a straight line in a width direction of the hot-rolled steel sheet on a surface of the hot-rolled steel sheet and the adjacent impact areas partially overlap.
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