Valmet to supply keyboard machine technology to Zhejiang Forest United Paper

The technology to be installed in a new containerboard machine

Valmet new type of air dryer, OptiDry Coat double-pass, is going to be delivered to Zhejiang Forest United Paper
Valmet new type of air dryer, OptiDry Coat double-pass, is going to be delivered to Zhejiang Forest United Paper

Valmet will supply keyboard machine technology to Zhejiang Forest United Paper in Taizhou in Zhejiang province in China. The key technology will be installed in a new containerboard machine (PM6). The start-up is scheduled for 2023.

The order is included in Valmet’s orders received in the third quarter of 2021. The value of the order will not be disclosed. However, a project of this size and scope is typically valued at around EUR 10 million.

“Valmet offered us state-of-the-art technical solutions, and we wanted to purchase their proven key technologies to meet our targets. We are especially eager to see the new type of air dryer being used in practice,” says Lin Qiqun, chairman of Zhejiang Forest United Paper.

Technical information about Valmet’s delivery

Valmet’s delivery will include —

  • Four OptiFlo Foudrinier headboxes
  • An IntelliFormer top forming unit
  • Four OptiCoat roll coating heads with roll application
  • A large quantity of OptiDry coat air dryer units

One of the air dryers is an entirely new of its kind, OptiDry coat double-pass, which combines three dryers in one compact unit, gives high coating and printing quality, and optimized energy-efficiency runnability. The delivery will also include a Valmet DNA machine control system for the coating section and spare parts and consumables packages.

The 6,300 millimeters wide (wire) board machine will produce white-lined chipboard grades with a basis weight range of 180-350 g/m2. The mechanical design speed for the new parts will be 1,000 m/min and a daily capacity of over 1,800 tonnes.


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