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Draw Tower Gratings in Continuous Casting Moulds for Break-Out Detection and Thermal Exchange Supervision

Author
Maria Ebbinghaus
Marketing Manager
Maria Ebbinghaus works as Marketing Manager at FBGS.

The companies FBGS and EBDS Engineering joint forces and knowhow to demonstrate a comprehensive solution using Fiber Bragg Grating sensors instead of thermocouples in order to measure temperature profiles in copper molds during continuous steel casting.

Multiple FBG sensors (>200) were installed into a broadface copper plate of a slab caster replacing a conventional temperature monitoring system and visualizing the detailed temperature profile of the liquid steel while flowing through the mold.

FBG sensors provide several advantages over thermocouples such as an ultra-high sensor count, long lifetime, fast installation, mounting technique independent from the water jacket, high measurement reliability, no electrical connections needed and cost effectiveness.

Due to FBGS´s production technologies (DTG®, FSG®) it was possible to inscribe high numbers of temperature sensors on a single fiber enabling an unprecedented measurement density, which is beneficial for this specific application.

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