Reduction of SO2 levels with reliable temperature measurement

North American mill producing kraft pulp did not have a working camera for monitoring bed height and shape. Recovery boilers need to have a working camera monitoring the smelt bed to satisfy insurance requirements, so the mill installed Valmet's boiler camera.

Recovery boiler bed camera in North America

“Our operators depend on the reliable temperature readings to control SO2”

Recovery and Utilities Manager

Summary

Location North America
Customer challenge
  • Mill did not have a working camera for monitoring bed height and shape
  • Mill did not have a way of monitor bed temperatures
  • Control of SO2 is challenging without bed temperature readings
  • Recovery boilers need to have a working camera monitoring the smelt bed to satisfy insurance requirements
Solution Valmet Furnace Imaging System, IR (Infrared Boiler Camera on an Auto-Retract mounting frame) with Thermal Viewer Hardware and Software.
Benefits
  • Reduction of SO2 levels with reliable temperature measurement
  • Temperature thresholds for each zone can be added with alarms
  • Allows 8 temperature zones to be defined by the user
  • Enables comprehensive observation and analysis at full load
  • Daily reporting capabilities
  • TCP/IP allows for remote monitoring
Keywords Boiler Diagnostics Systems, Recovery Boiler, Automation, North America

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