Voith launches new screen plate design for pulpers

Voith has a new screen plate design for pulpers used in recovered paper pulping. The CurvedBar screen plate extends service life in Voith’s IntensaPulper IP-R by more than 50% and improves the quality of fibre suspension.

The results are less maintenance effort and material use, as well as fewer downtimes, leading to a more efficient overall process and lower costs.

To reduce the high mechanical loads on the screen plate, Voith developed an innovative curved bar design and optimally matched to the geometries of pulper, rotor and screen plate.

“This results in a much longer service life compared to conventional screen plates,” said Oliver Lüdtke, global service and product manager at Voith Paper. “The lower friction also reduces energy consumption. Combined with savings in material and maintenance, significant costsaving potential can be realized, and the customer’s carbon footprint is reduced due to greater sustainability.”

By the lowered shearing forces on the screen plate, far fewer contaminants are shredded. This improves the quality of the fiber suspension, reduces the amount of small rejects that need to be laboriously removed in the downstream process steps, and allows trouble-free ragger formation. The risk of bar breakage and deformation of the screen plate is significantly reduced.

www.voith.com

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