Customer case:

High availability and correct maintenance from the start-up CFB boiler

Aug 23, 2023

High availability and correct maintenance from the start-up of the CFB boiler at Sappi Kirkniemi pulp and paper mill in Finland.

High availability and correct maintenance from the start-up

Summary

Location Sappi Kirkniemi, Finland
Customer challenge The need for a systematic approach to evaluating the condition of the new plant so that optimized availability, risk management, and preventative maintenance can be achieved. 
Solution A service agreement with Valmet that includes: 

  • Outage planning and supervision 

  • Visual inspections during shutdowns 

  • Boiler tube thickness measurements 

  • Outage reporting 

  • Upkeep of maintenance system (Valmet works) 

  • 24/7 On-call service 
Result By entering into a partnership directly at the commissioning of the facility plant, the availability has been high since the start, and the correct preventive maintenance services have been performed. 

Technical summary - Valmet CFB boiler and Bag House Filters (BHF)

Start-up date 2015
Steam 88 MWth, 32 kg/s, 81 bar, 520 °C
Fuels Bark, forest residue, fiber sludge, bio sludge, coal, asphaltene
Find more related information
Reason why we wanted a service agreement with Valmet, was to have a systematic approach for evaluating the condition of the new plant. High availability, risk management, and correct preventive maintenance based on all relevant data were the driving forces for us.”
Power Plant Manager, Sappi Kirkniemi
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