Valmet to Collaborate with Metsä Board Husum, Sweden to Expand Folding Boxboard Capacity and Sustainability
The current folding boxboard (FBB) capacity of BM 1 is 400,000 TPA, and after the investment, it will reach 600,000 TPA
Valmet will supply a long-term performance agreement and a board machine rebuild to Metsä Board Husum, Sweden. The main goal is to increase board machine (BM 1)’s Overall Equipment Efficiency (OEE) and folding boxboard (FBB) capacity by 200,000 TPA. In 2016, Valmet had delivered BM 1 to Metsä Board. Now, the startup of the rebuilt BM 1 is scheduled to take place in 2023. The total value of an order of this scale is generally around EUR 70–80 millions.
Presently, the FBB capacity of BM 1 is 400,000 TPA, and post-investment, it will reach 600,000 TPA. The expansion of Metsä Board is in response to the growing demand for sustainably produced packaging materials that support the circular economy.
Speaking about the investment, Ari Kiviranta, Senior Vice President, Technology, Metsä Board, says, “We were looking for one reliable partner who could deliver this extensive project from stock preparation to winders, and additionally support our long-term efficiency improvement efforts. We also demanded quite low CO2 emission levels for the size drying as well as highly automated parent roll logistics. Valmet was able to meet all of these requirements.”
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Mikko Tani, Area Vice President, Sales and Marketing, Valmet, asserts, “At Valmet, we are extremely happy to continue this deep collaboration with Metsä Board to develop the Husum Mill further. Our long and trustworthy cooperation with both the customer and the mill have played a key role in this journey.”
In 2022, the life cycle performance agreement will be set up by establishing the tools and a common way to operate. The agreement work will be started by improving the current BM 1’s overall equipment efficiency (OEE). The work will continue by supporting the start-up and further optimization of BM 1’s efficiency. The agreement will be based on Valmet’s Industrial Internet solutions and Performance Center operations.
The scope of delivery will include equipment for stock preparation, and the broke collection system will be upgraded to meet the new requirements. Small improvements will be done in the wet-end to improve the runnability and to increase the drying capacity. Most of the improvements will be done in the dry-end of BM 1: the drying capacity of the predryer and afterdryer sections will be significantly increased by adding more dryer cylinders, a new OptiSizer Film with supply systems and air dryers, and a new OptiCalender Hard and OptiReel Linear will be also included in the delivery. The existing unwind and reel of the off-machine coater will be upgraded as well.
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The delivery will also include highly automated transfer rails and parent roll carts, which will connect BM 1, BM 2, and the off-machine coater to a new OptiWin Drum two-drum winder and other winders. All the machines and equipment included in Valmet’s delivery will be delivered installed. The board machine with a 7,250-mm-wide fabric produces folding boxboard and liquid packaging board with a basis weight range of 155–355 g/m2. The mechanical design speed of the new parts will be 1,000 m/min.