DEVICE FOR HEATING IRON AND STEEL PRODUCTS, AND METHOD FOR HEATING IRON AND STEEL PRODUCTS
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United States of America Patent
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Mar 25, 2016
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Mar 26, 2015
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A device for heating an iron and steel product (steel product), the device including: a preheating chamber for preheating the steel product; a heating chamber for heating the steel product to a desired temperature which is connected to the preheating chamber; a plurality of burners arranged so as to sandwich the steel product from above and below in the heating chamber; and a means for causing an exhaust gas containing combustion gas in the burners to flow into the preheating chamber, wherein the burners form flames with a fuel and an oxidizing agent having an oxygen concentration of 80 vol % or more and have a function of blowing away fats and oils adhered onto the surface of the steel product by the flames, and the preheating chamber has a structure for preheating the steel product by an exhaust gas which has been made to flow thereinto by the means.
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