Customer case:

Valmet’s screen basket contributes to excellent runnability

Valmet’s innovative design screen basket at Norske Skog Bruck’s PM4 gives good results: a clear performance boost in the approach flow system and improved runnability.

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We received comprehensive flow calculations of the PM approach system and were generally convinced by Valmet’s unique laminar design screen basket.”
Enzo Zadra, Managing Director, Norske Skog Bruck
Summary

Location

Norske Skog Bruck PM4, Austria

Customer challenge(s)

The conventional screen basket technology was no more optimal for the current production process and thus causing spinning issues.

Solution

Valmet and the mill carried out a process study to identify the root causes for machine screen spinning, providing comprehensive flow calculations of the PM approach system. The unique laminar design screen basket,  Valmet Screen Basket VF, was selected to be the best alternative for Bruck’s purposes. The  technology creates non-turbulent and streamlined flow through the accept channel providing excellent runnability.

Results
  • Less breaks
  • Better runnability
  • Improved flow through the basket of the primary screen improving the overall screening performance notably
  • Spinning was significantly reduced

Keywords

Board and paper, machine screening, screening,  screen baskets, screening audit

Screen baskets by Valmet

Valmet screen basket family offers the right basket for all applications; from chemical pulping to pulp dryer, from recycled fiber to approach flow.

Screen baskets for approach flow systems

The Laminar design screen basket from Valmet provides energy savings, enables you to run higher capacity and can improve production line efficiency.

Screen baskets

Full range of high quality screen baskets tailored to paper and board mill applications. Comprehensive technical and process support secure the fit for purpose and optimal performance.