Nozzle header, cooling apparatus, manufacturing apparatus of hot-rolled steel sheet, and method for manufacturing hot-rolled steel sheet
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United States of America Patent
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Jun 18, 2019
Grant Date -
Aug 13, 2015
app pub date -
Jun 26, 2013
filing date -
Sep 12, 2012
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Abstract
Provided is a nozzle header which sprays pressurized water to a high-temperature object, capable of inhibiting a member provided to spray nozzles from being deformed or damaged by heat at the time of operation, caused by radiation heat from the high-temperature object. The nozzle header for spraying water to a targeted object includes a header which supplies pressurized water, one or more of spray nozzles which spray the pressurized water supplied from the header, and a heat removal structure attached so as to be in contact with at least one of the spray nozzles, wherein the heat removal structure includes a coolant passage through which a cooling medium for cooling the heat removal structure itself and the spray nozzles passes.
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