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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 26
SUMMARY:The fossil free hot strip mill: Contribution to carbon neutrality in steel making
DESCRIPTION:CO2-neutrality is the imperative of this time to protect and preserve our environment. The steel industry is particularly focused on it, because by its very nature the manufacturing processes are energy-intensive. For steel manufacturers, this requirement leads to strategic reorientation. As plant supplier, SMS group is challenged to develop and offer innovative solutions right across the entire process chain.
One challenge is to identify and utilize all energy saving potentials in the production process. The second and major task is to substitute fossil fuels by electrification and by use of green fuels. 
The hot rolling process is comparatively energy-intensive. The largest consumer of energy is the heating process. A major focus thus needs to be placed on the interface between the upstream processes and the hot rolling process, where optimization measures for energy saving can be made. Also for the hot rolling process itself, it is important to evaluate each individual energy consumer for his optimization potential. For some process stages and components there are already proven solutions which gain new significance in the context of fossil free production and to tap into their inherent potential. 
One example is the installation of mandrel-less coilbox in the roughing mill area. A coilbox comes with numerous advantages and improves the process control. However, a coilbox reduces the overall plant length and the energy consumption in the finishing mill.  
Another example is smart descaling, which takes place in the roughing and in the finishing mill area. Smart descaling means width and steel-grade dependent descaling. The water pressure and the water volume are specifically controlled and applied, resulting in water and energy savings.
These are just two examples, among other things - including new developments, which we intend to evaluate as part of the paper with regard to their energy saving potential.

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