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.
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
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.”
