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Distributed Temperature Monitoring of Tundish Refractory Lining Using Optical Fiber Sensors

Distributed temperature monitoring can provide useful insights into thermal conditions in the continuous caster tundish that can affect operating stability and cast quality, such as pre-heat conditions, superheat uniformity, fill height and refractory wear. In the current study, fiber-optic sensors were embedded into the refractory lining of a lab-scale tundish to record the temperature profiles during dry-out, pre-heating and direct molten steel exposure to demonstrate sensor performance. Additional trials were performed with fiber-optic sensors embedded in an industrial tundish used in production. The results demonstrate that fiber-optic sensors using Rayleigh technology can provide accurate distributed temperature measurements in refractory-lined vessels and provide useful information about the process.
Product:
2024/07 AIST Iron & Steel Technology July
PR-PM0724-4
Hanok Tekle, Muhammad Roman, Rex E. Gerald II, Ronald O'Malley, Jie Huang
July 01, 2024
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