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Voith's C-bar Vertecs boosts sticky removal and throughput

The new C-bar Vertecs achieves 50% higher sticky removal efficiency and boosts screening throughput by 20%, while maintaining or even improving overall screening performance.

  voith.com
Voith's C-bar Vertecs boosts sticky removal and throughput

Paper manufacturers now have access to optimized screening technology in stock preparation. Full-line supplier Voith has developed the C-bar Vertecs, a new screen basket that sets new standards in terms of separation efficiency, throughput, energy efficiency and operational reliability. The technology is already being used successfully at heinzelpaper in Laakirchen, Austria.

Previously, when choosing the right basket, paper manufacturers had to decide whether to focus on better pulp quality, higher throughput or increased operational reliability. With the C-bar Vertecs, these trade-offs are no longer necessary. A new profile geometry has made this possible: Regardless of which performance aspect paper manufacturers prioritize, C-bar Vertecs outperforms all previously known solutions in all relevant parameters. Depending on the individual focus, production volume can be increased by at least 20 percent, and sticky and dirt spot separation can be improved by up to 50 percent.

At the same time, the specific energy consumption per ton is reduced. With a throughput increase of 25 percent, for example, the rotor speed remains unaffected, while the pressure difference at the screen with installed C-bar Vertecs is at a lower level. This allows energy savings of over 20 percent to be achieved without any problems.

The C-bar Vertecs is based on proven Voith C-bar technology, known in the paper industry for over 35 years as the leading solution for slot screen baskets. It is characterized by an overlapping profile with a constant and stable slot width, which enables particularly consistent screening results over the entire service life.

The C-bar Vertecs screen basket is also being used by other paper manufacturers in the EMEA and North America regions. It is suitable for different types of recovered paper and is already being utilized in a wide variety of process stages such as coarse screening, fractionation, fine screening and reject screening.

www.voith.com

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