2019 Pittsburgh AISTech

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Use of Sound Signals in Analyzing Flow Behavior in Steel Vessels (Room 410)

Measuring stirring conditions in steel vessels is difficult because of the extreme environment. Continuous monitoring systems can improve control, and contact-free acoustic sensors have been developed for detecting slopping events in BOFs. Researchers at Swinburne have been looking at the potential for sound sensors to detect stirring in ladles, using cold modeling and plant data. Plant trials using a single microphone have shown success in measuring stirring. A multi-microphone array system has been developed for a cold model to detect differences in stirring, “eye” movement and blockages. These results and the potential for industrial application will be described.