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Online Condition Based Monitoring of EAF / Converter for Preventative Maintenance

Compact IR thermal imaging camera was installed to provide a temperature map of the bottom shell. The cameral scans the full bottom of the shell giving options to define multiple areas /ROI to get 4-20mA output. Software automatically finds hot spots enable timely preventative maintenance.

Home  Case Studies Online Condition based Monitoring of EAF for Preventative Maintenance

Online Condition based Monitoring of EAF for Preventative Maintenance

Home    Case Studies    Pilger mill in tube rolling mills – hot and cold pipe detection

Pilger mill in tube rolling mills - hot and cold pipe detection

  •  No wiring: Non-contact temperature measurement.
  • Scans full bottom shell. Multiple area /ROI possible to define to get 4-20mA output
  • Intuitive identification of hot spot. Software automatically finds hot spots

Challenges

 

High temperatures cause wires to melt leading to loss of thermocouple readings.
Plant operators need to wait until the next planned shutdown to carry out change in wires and undertake repairs.
Furthermore, thermocouples only provide point temperature readings and therefore it becomes difficult to identify where the hot spots are being developed.

    • Point measurement thermocouples: Average only 9 point measurements possible with thermocouples.
    • High maintenance cost: Not possible to change wiring while furnace in operations

Solution

Compact IR thermal imaging camera was installed to provide a temperature map of the complete bottom shell

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