GL&V refiners, deflakers for BillerudKorsnäs Gruvön

GL&V Sweden AB announced that BillerudKorsnäs Gruvön mill has ordered a complete refiner and deflaker system and a combined save-all/broke thickener together with DuFlo® pump technology for its new Next Generation board machine project.

The order covers 13 DD®6000 refiners and three DF-20-2 deflakers for print-, middle- and back-ply. The energy efficient DD6000 refiners will be equipped with the patented anti-plateclash system, APCS, which detects and prevents refiner plate clashing. GL&V s laser-based refiner plate wear indicator will be part of the system.

The combined save-all/broke thickener with DuFlo pump will be the fifth Celleco® Centerdisc® CDI disc filter for the BillerudKorsnäs group. GL&V says that the filter’s strong, unique design makes it a perfect fit for this type of application. Combining the save-all and broke thickening applications saves investing in a separate broke thickener filter. The CDI filter will have stainless steel filter covers to improve the runnability and reduce maintenance cost.

The DuFlo technology is well known in the pulp and paper industry and in the Gruvön mill specifically. The DuFlo pump will take care of the big difference in flow and consistency which is common with the operation of a disc filter installed as a save-all/broke thickener. Key to the success of this is the efficient DuFlo impeller and the ability to easily turn the internal vacuum system on and off.

Start-up is scheduled for spring 2019.

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