The Task
A waste-to-energy plant is to be built at the industrial location of the chemicals producer Kemira Oy in Oulu. This power plant shall ensure the supply of energy and heat to the City of Oulu and the chemicals company. The municipal energy supplier Oulun Energia Oy placed an order with Standardkessel Baumgarte for the supply of the complete combustion line and auxiliary systems. Operator of this plant will be the Laanilan Voima, an affiliated company of the Oulu Energia and Kemira Oy.
The Solution
The well-proven concept embracing a tail end boiler combined with a water cooled pusher-type grate was chosen for this power plant which is conceived according to the combined heat and power principle. However, this concept has been enlarged by an external superheater with a firing system to increase the turbine’s efficiency.
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Technical data
1
Household and Industrial Waste
min.8.0 MJ/kg
nom.10.5 MJ/kg
max.15.0 MJ/kg
min.11.5 Mg/h
max.16.4 Mg/h
52.4 MW
External Superheater5 MW
58.7 Mg/h
88 bar
External Superheater84 bar
425 °C
External Superheater515 °C
130 °C
97,000 Nm³/h
150 °C
EU Directive 2000/76/EC
2012