Stora Enso Ingerois improves bulk with Aqua cooling calendering
Apr 25, 2017
The Stora Enso Ingerois mill wanted to substitute the Yankee process and Yankee cylinder with a process less restrictive on productivity and speed. Aqua cooling calendering is a new bulk-saving calendering technology, which was installed at the mill in the fall of 2015. Prior making the investment decision, Stora Enso run several pilot trials at Valmet's pilot facilities to make sure that they would get the improved quality and raw material efficiency with the rebuild concept.
SUMMARY
| Location | Stora Enso Ingerois Mill in Anjalankoski, Finland |
| Customer challenge | Making board lighter, improving bulk of FBB produced. |
| Grade |
Folding boxboard 230 - 335 g/m2 For pharmaceutical, food and chocolate packaging |
| Solution |
Pilot trials at Valmet Paper Technology Center prior investment decision. BM 4 was rebuilt with Valmet’s latest calendering innovation, Aqua cooling calendering, which was retrofitted on the top of the existing calender. |
| Results |
The new technology enables the machine's operating methods to be developed and optimized to achieve bulk savings. This brings significant energy and raw material savings throughout the value chain of the product. Improved lightness and stiffness properties of Tambrite folding boxboard. |
| Keywords | Board and Paper, Rebuilds, Europe |