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Situation
• Analysis of product specimens to determine melt cleanliness
• Downstream identification of inclusions without any direct intervention in the control of the process
• Process disturbances possible through lack of information on current condition of nozzle system
Solution
On-line monitoring of cleanliness in nozzle systems by means of ultrasound
• Direct and demand-related detection of non-metallic inclusions in the scanned cross-section
• Simultaneous flow rate monitoring in the nozzle system through upgrading of the measuring system
Fields of use and operational benefits
• Application at nozzle systems of metallurgical vessels throughout the process chain
• Integration in process control system
- Monitoring of the casting process
- Early identification of qualitatively lower-grade melts
- Reduction of substandard production
• Verification of measures for prevention of slag carry over
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