Tuesday, February 14, 2023
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Stora Enso has entrusted the leading full-line supplier Voith with the conversion of a former paper machine. The equipment at the Oulu facility in northern Finland previously manufactured coated graphic papers. The machine will manufacture premium folding boxboard and coated kraft return after the conversion is successful (CKB). The mill will produce 750,000 tonnes of board annually, making it the biggest board machine in Europe. Beginning is anticipated for early 2025.
“We are very pleased that Stora Enso has chosen our full-line solution. The order builds our existing partnership with Stora Enso further. After the conversion, the board machine will be a high-tech plant with the latest standards to produce high-quality board packaging,” : Dr. Michael Trefz, President Projects at Voith Paper.
To achieve the high production volume, Voith together with Stora Enso developed a tailor-made concept that maximizes both efficiency and sustainability along the entire paper machine. The scope of supply includes a new, three-layer wire section with the DuoFormer D II. The high-performance Triple NipcoFlex shoe press concept will enable maximum production output at the highest quality level. At the same time, the efficient technology will minimize specific energy and production costs. The machine will also feature maximum flexibility and top product quality thanks to a SpeedSizer system and four DynaCoat AT coating units with JetFlow F applicators. The SpeedSizer as well as the DynaCoat AT are partly made of carbon fiber to ensure stable cross sections at all grades and speeds.
For ideal energy efficiency, Voith experts are also extensively rebuilding the existing dryer section. The high operating dew point of up to 65°C in the EcoHood 65 dryer hood lowers the supply and exhaust air volumes and thus reduces power and steam consumption. The CombiDuoRun drying concept efficiently dries the web on both sides, preventing curl even at high operating speeds. Finally, two VariFlex Performance winders will be installed. In addition, Stora Enso relies on Voith’s leading digitalization and automation expertise. Thus, Voith will implement the OnControl.
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Tags: paper machine, partnership, Voith, wood and panel, woodworking, woodworking and manufacturing, woodworking event, woodworking industry, woodworking UK
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