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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 19a
SUMMARY:Mold expert fiber: The next step in realtime mold monitoring
DESCRIPTION:"The installation of optical fibers with Fiber Bragg Grating sensors in the copper plates of a continuous casting mold, used for temperature sensing is getting more and more common. It has been proven to work in all types of casters like slab casters, casters with funnel molds for endless strip production and even in bloom casters. With several thousand of measurements points, optical fibers offer completely new insights into the casting process. With small distances between the Fiber Bragg Gratings and advanced evaluation algorithms, the mold level can be determined for the complete mold perimeter. The advantages of a temperature-based calculated mold level compared to electro-magnetic measured mold levels are shown.
Electromagnetic mold brakes and stirrers are becoming state of the art to reduce inclusions and to achieve better surface quality results. Based on simulations, these electromagnetic devices are usually tuned to the desired operating conditions. However, in reality, there are many more influencing factors and disturbances such as clogging, so the actual steel flow is not known. With an indication of sub-meniscus speed and analysis of mold level and temperature distribution in the mold the Mold Expert fiber can help to characterize real steel flow and evaluate the influence of the electric field.
Another area where this large number of measurement points can help is cast start. It will be presented how this critical event is monitored and how cast start breakouts can be prevented."

CLASS:PUBLIC
DTSTART:20230614T125000
DTEND:20230614T131000
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