Pulp and Paper Canada

Voith builds new XcelLine board machine for Bohui Paper Group

Aug. 20, 2017 - In February 2017, Bohui Paper Group contracted Voith to supply a new board machine. The BM4 will be built at Dafeng in the Chinese province Jiangsu and according to the group, it will be one of the largest board machines in the world.

August 20, 2017  By Voith GmbH

L to R: Andreas Endters

Voith will supply the complete XcelLine process line from wet end process to winder, which it says will reduce the number of interfaces to a minimum and provides cost transparency for the entire project.

The order is the result of the long and successful cooperation between the companies to build the BM1 and BM3. Bohui Paper Group says its experts have already been impressed by the fast and smooth commissioning of these two machines in 2003 and 2013 respectively, adding that the subsequent efficient production process also ensured a high degree of customer satisfaction.

From December 2018, the new BM4 will operate at a speed of 1200 m/min to produce folding box board with a basis weight of 250 g/m2. The production line offers a range of special technical features that promise to improve the quality of the finished paper and reduce energy consumption. The wet section of the BM4 impresses with a new Clean Design concept that achieves particularly high runnability, the parties note. In the BM4, the use of a Triple NipcoFlex press not only ensures “tremendous dewatering” efficiency while preserving volume, but also achieves a smooth surface on the board.


The scope of supply also includes three MasterJet Pro headboxes, a DuoFormer DII, four TurboDryers, and the energy-efficient qDry Pro non-contact drying system. Moreover the BM4 is equipped with EcoCal Hard and EcoCal Soft calenders, a Sirius winding system as well as two VariFlex winders, MCS and DCS are completing Voith Paper’s scope of delivery.

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