Kymin Voima Oy Kuusankoski, Finland
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Background
Kymin Voima, a biomass fuelled power plant in UPM's Kymi paper mill in Kuusankoski, started up in the summer of 2002. The power plant was built to produce electricity, process steam and district heat for the mill as well as heat and electricity to the grid for the neighboring towns of Kouvola and Kuusankoski. The plant, which can produce 268 MW of steam, is a co-effort between UPM Kymi, Pohjolan Voima Oy and the local utility company Kouvolan Seudun Sähkö Oy.
The core of the plant is the Bubbling Fluidised Bed (BFB) boiler supplied by Kvaerner Power. The new bioboiler replaces two 40-year-old boilers and is expected to produce steam for the mill’s pulp and paper processes for the next two or three decades.
Kymi Paper mill is considered to be the third largest pulp and paper complex in Europe with a capacity of 920,000 tpy of paper and 520,000 tpy of pulp. The two-year power plant project raised energy production to the same technological level with paper manufacture – top of the world. Metso Automation was selected for the project for its successful track record and its competent project organization.
Metso Automation’s delivery
The plant’s process automation system, supplied by Metso Automation, covers all operations from fuel handling to steam distribution. The system consists of four operator workstations, eight process stations with 7,000 I/Os and connections to boiler protection, turbine controls and electricity distribution. Metso Automation’s comprehensive package of information management applications extends from condition and production monitoring to performance and environmental monitoring, and includes specialized tools for cost calculations and fuel management.
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