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Companies in the timber industry / Wood-based panels / Woodworking machinery / China / Europe
January 18, 2016

Dieffenbacher delivers particleboard plant in China

Dieffenbacher was given an order for a straw-based particleboard plant from Chinese chemical company Wanhua back in December 2015. This plant is projected to deliver a 110,000 m³ of straw-based particleboard annual output and Wanhua may use it to manufacture panels constructed from wood, a blend of wood and straw, and entirely from straw.

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In the front Christian Dieffenbacher and Zhao Zhimei, CEO Wanhua, during the signing ceremony.

The project must include everything from the forming station to the finishing line, while the forming station is equipped with two windformers for the surface layer and a forming head for the core layer. The core element of the plant is the continuous press CPS type 280 – 23.5 and this 8.5 ft press produces boards that are up to 2440 mm wide and between 8 mm and 35 mm thick. Moreover, the components supplied in the finishing line area include a diagonal saw and a distribution and trimming saw.

Dieffenbacher has adjusted 11 major orders for complete plants, while 5 further orders have already been signed. The company has been working on plant concepts for a long time, especially ones with alternative raw materials such as fast-growing woods, annual crops (e.g. sugar cane, straw) and recycled wood in response to the rising demand for machine technology designed to work with these specific raw materials.

The main reason for rising price of wood is the partial or complete replacement of wood in the manufacture of boards, but the environmental policy requirements have also driven this development. Thousands of tons of straw are burned each year in the field in China and this has a major influence of the environment. Thus, these large quantities must be used in other ways and the Wanhua project has been designed to improve this issue.

The Wanhua Industrial Group is a Chinese chemical company with headquarters in Yantai, Shandong Province and it is the world's largest manufacturer of MDI glue ahead of Covestro and a leading TDI manufacturer.

 

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