Pulp Paper & Logistics
VALMET 23
at Valmet. “In addition to high quality northern softwood and hardwood pulp, it produces other bioproducts. Also, it doesn’t use any fossil fuels and it supplements Finland’s total share of renewable energy by more than two percentage points.”
Mutual trust brings success Metsä Group and Valmet agreed that the technology deliveries would be made using a tailored open book working model. It meant that for practical purposes Valmet and Metsä Group sat on the same side of the table. Metsä Group bought the equipment and made subcontracting agreements, and Valmet steered and managed the operations at the site. “The project was the
At Metsä Group’s new bioproduct mill in Finland, pulp production has been taken to a new level because every single item of the wood raw material and production side streams are utilised to achieve the highest material and energy efficiency. Antti Ratia reports
when building the world-class bioproduct mill in Äänekoski.”
The latest technology plays a key role Metsä Group’s decision to choose suppliers for the mill’s key technologies was a ‘deal for two’. Valmet was chosen to deliver the recovery boiler, pulp drying line, gasification plant, lime kiln,
sulphuric acid plant, and mill- wide automation system – all of it the latest technology and highly energy-efficient. The gasification plant produces
biogas from bark, which replaces fossil fuels in the lime kiln. The pulp drying machine includes several new features that improve efficiency and usability. The largest part of the delivery was the
recovery boiler with new high- power features. The boiler has a capacity of 7,200 t/ds and has an electricity capacity of 250 MW. As a result, the mill is capable of producing up to 1.4 times more electricity than it needs. “The mill is a prime example of
a contemporary bioproduct mill,” says Bertel Karlstedt, president of energy and pulp business
largest I have ever headed,” says Merikallio. “It was big, international and divided into hundreds of smaller contractor agreements. Our co-operation with the open book project model worked well. Valmet’s ability to meet our requirements during the project was on a good level. Jari-Pekka Johansson, Valmet’s Äänekoski project director adds: “Mutual understanding and joint project goals are essential. Metsä Group had really experienced project personnel. Even though we had some challenges during the project, at no point did they question our ability to solve them within the given schedule. Trust on both sides is crucial to achieve our common goals.”
Dedication to safety The total number of construction and project personnel at the site peaked at 13,500 during the project. Metsä Group had set high safety standards already in the bidding process. Camilla Wikström, who was the mill manager at the time
4 September/October 2018
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36
