Assessment of Oxide Descaler Functionality in a Steel Hot Rolling Mill Using Infrared Video Imaging

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  • A series of infrared temperature videos were taken of the upper surface of hot rolled microalloyed steel skelp immediately following laminar cooling. In addition to validation of the skelp temperature and skelp cooling patterns, local temperature minimums were observed in the infrared images. Post processing of these images was undertaken to quantify both the spatial distribution and frequency of these temperature minimums. The measured transverse spacing of the temperature minimums correlates with the roughing mill descaler nozzle spacing. The genesis of the observed temperature minimums and, ultimately, their correlation with descaler functionality, and potential usage as an online descaler assessment tool, is postulated.

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    Article (Published)
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    Attribution-NonCommercial-NoDerivatives 4.0 International