Latest Reheating Furnace Technologies – First Report –

by Akira Mori

Publisher - Nippon Steel & Sumitomo Metal Corporation , JFE Steel Corporation , Nippon Steel & SUMIKIN Shapes Corporation , Osaka Steel Corp. , Ltd & GODO Steel, Ltd , JFE Bars & Shapes Corporation and Topy Industries, Ltd

Category - Engineering & IT

We report the progress of technologies of reheating furnaces in Japan in order to save energy and prevent air pollution during hot rolling. 1)Nowadays, interest for environmental issues is increasing, and Japanese steel makers is challenging to reduce green house effect gases, mainly CO2, through updating reheating furnace technologies. 2)Structural steel mills, producing beams, angles, and so on, need a lot of reheating energy because of large deformation. So that there were also a lot of room to improve. We, Japanese Steel makers, introduced new equipments reduce emission of CO2 3)Main efforts are as follows; - Extremely low heat conductive ceramics - Low NOx type Regenerative burners - Simplify the cooling of furnace shells Through these technical improvement, we reduce fuel consumption as well as CO2 We report the progress of technologies of reheating furnaces in Japan in order to save energy and prevent air pollution during hot rolling. 1)Nowadays, interest for environmental issues is increasing, and Japanese steel makers is challenging to reduce green house effect gases, mainly CO2, through updating reheating furnace technologies. 2)Structural steel mills, producing beams, angles, and so on, need a lot of reheating energy because of large deformation. So that there were also a lot of room to improve. We, Japanese Steel makers, introduced new equipments reduce emission of CO2 3)Main efforts are as follows; - Extremely low heat conductive ceramics - Low NOx type Regenerative burners - Simplify the cooling of furnace shells Through these technical improvement, we reduce fuel consumption as well as CO2

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