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Koehler Paper rebuilds papermachine 5 for a more sustainable production

Paper Solutions

Koehler Paper is relying on Voith technologies in the second rebuild stage of its papermachine 5. A new NipcoFlex shoe press in the existing press section ensures more sustainable production. The technologically leading solution from Voith also increases production capacity.

After a successful first rebuild stage of PM 5 in Oberkirch – with the installation of the Voith SpeedSizer film press and contactless qDryPro Compact high performance drying system – Koehler Paper has confirmed its confidence in Voith. Hartmut Felsch, plant manager at Koehler, Oberkirch, Germany, said: ‘In Voith, we have found a strong and reliable partner with the highest quality standards for all areas of paper production.’

Thorsten Heidt, senior sales manager at Voith, also confirmed: ‘We have a long standing, successful business relationship with Koehler. Just recently, the company was able to achieve a world speed record with the new PM 8 line at the Kehl location thanks to our successful cooperation and continuous optimisation. We are very pleased that Koehler has again opted for our leading technologies and that our solution convinced in all points.’

Koehler has selected the full line supplier to deliver the second modernisation stage, focusing on the much proven NipcoFlex shoe press. The aim is to achieve an optimal production result. With the installation of the NipcoFlex shoe press in the existing press section, the dry content after the press is significantly increased. As a result, large amounts of steam can be saved in the dryer section for drying the paper web. The rebuild thus helps save energy and reduce CO2 emissions in the plant. In addition, the higher dry content increases line speed and production capacity. At the same time, work safety and operability are improved when changing the felt with the aid of the cantilever framing for the pick up felt.

The rebuild is a tailor made solution and addresses the limited space available, especially on the drive side of the machine. As part of the rebuild, the transfer process from the press to the dryer section is optimised and a draw reduction is achieved to significantly increase efficiency. The press roll uses a Ter‐ raSpeed Trend Supreme ceramic coating, which is also utilised on other Koehler Paper machines. This guarantees optimised sheet release with long running times and a high level of cleanliness. The order is complemented by the proven QualiFlex shoe press sleeves and a start up set for all press felts.


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