Wärtsilä to build bioenergy plant for Finnish energy company Haapajärvi
Power engineering company Wärtsilä has been awarded the contract to supply the Finnish energy company Haapajärven Lämpö Oy with a biomass heating plant. The contract, which was signed in August 2007, specifies a Wärtsilä BioEnergy 7 plant to be delivered to Haapajärvi as an EPC delivery, excluding ground works. Hand over to the customer is scheduled for September 2008.
The output of the biomass plant is 7 MWth, with a reserve oil boiler of 8 MWth that will cover possible peaks in heating demand. The deal comprises the total process equipment, commissioning and training. The plant will produce heat for the Hasa sawmill in Haapajärvi, as well as for the 8000 inhabitant city of Haapajärvi, located in the middle of Finland. The fuel will be local wood residues, and ensures the customer clean and profitable energy.
The core of Wärtsilä biopower and bioenergy plants is the BioGrate combustion system. The patented BioGrate is a new-generation moving grate technique. The fuel input ranges from 3 to 17 MWth.
BioGrate is rotating grate with a conical primary combustion chamber (image, click to enlarge):
energy :: sustainability :: bioenergy :: biofuels :: biomass :: wood :: waste :: heat :: efficiency :: Finland ::
Wärtsilä BioEnergy plants are highly modular, being based on well-proven standardised components with a conservative design approach. The plants can thus be delivered and installed quickly. Their proven technology results in a reliable, durable plant. They are also highly automated, enabling unmanned operation.
The customer had already gained positive experience from an earlier boiler plant supplied by Wärtsilä, and this, together with visits to a number of other Wärtsilä installations, was a key factor in the purchasing decision.
Wärtsilä announced earlier this year it had received an order to build six turnkey biomass-fuelled power plants in Germany. The total value of the order was approximately €100/US$135 million. The customer is the German-based company Bayernfonds BestEnergy GmbH & Co, which will utilize forestry residues to fuel the plants.
References:
Biopact: Wärtsilä to build six biomass power plants in Germany - May 10, 2007
The output of the biomass plant is 7 MWth, with a reserve oil boiler of 8 MWth that will cover possible peaks in heating demand. The deal comprises the total process equipment, commissioning and training. The plant will produce heat for the Hasa sawmill in Haapajärvi, as well as for the 8000 inhabitant city of Haapajärvi, located in the middle of Finland. The fuel will be local wood residues, and ensures the customer clean and profitable energy.
The core of Wärtsilä biopower and bioenergy plants is the BioGrate combustion system. The patented BioGrate is a new-generation moving grate technique. The fuel input ranges from 3 to 17 MWth.
BioGrate is rotating grate with a conical primary combustion chamber (image, click to enlarge):
- the fuel is fed from underneath to the centre of the grate since the heat radiators from the refectory lining bricks and the flames, the fuel dries in the middle of the grate without disturbing the burning fuel bed in the combustion zone
- after the complete combustion of the residual carbon the ash falls from the edge of the grate to the ash space filled with quenching water
energy :: sustainability :: bioenergy :: biofuels :: biomass :: wood :: waste :: heat :: efficiency :: Finland ::
Wärtsilä BioEnergy plants are highly modular, being based on well-proven standardised components with a conservative design approach. The plants can thus be delivered and installed quickly. Their proven technology results in a reliable, durable plant. They are also highly automated, enabling unmanned operation.
The customer had already gained positive experience from an earlier boiler plant supplied by Wärtsilä, and this, together with visits to a number of other Wärtsilä installations, was a key factor in the purchasing decision.
Wärtsilä announced earlier this year it had received an order to build six turnkey biomass-fuelled power plants in Germany. The total value of the order was approximately €100/US$135 million. The customer is the German-based company Bayernfonds BestEnergy GmbH & Co, which will utilize forestry residues to fuel the plants.
References:
Biopact: Wärtsilä to build six biomass power plants in Germany - May 10, 2007
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