ANDRITZ to supply two fiber preparation systems for insulation material to Naturheld, Germany


International technology group ANDRITZ has received orders from Naturheld GmbH to supply two fiber preparation systems for its new production line in Grafenwöhr, Germany.

With this project, Naturheld is also entering the insulation material sector. Start-up is scheduled for the second half of 2022.

ANDRITZ’s scope of supply comprises two lines with a state-of-the-art pressurized refining system, each featuring a capacity of up to 10 t/h and including the following technological highlights:

  • Plug Screw Feeder for optimum dewatering prior to refining and advanced wear protection for longer screw lifetime
  • C-Feeder for constant feeding of wood chips to the HC refiner and stable operation over the entire capacity range
  • 44-1CP refiner for production of high-quality fibers with lowest possible energy consumption

The systems will process a mixture of spruce and pine wood chips from Naturheld’s own wood processing plant, producing premium fiber material for flexible and hard insulation board as well as for blown-in insulation.

Robert Friedl, General Manager of Naturheld says: “The meetings with ANDRITZ headed in the right direction from the very beginning! The clear focus on ecological and economical production and the technical competences convinced us that we should enter the insulation material sector with ANDRITZ as our partner. Their experience in machine construction and customer-oriented approach to collaboration were both impressive and enjoyable!”

Michael Rupp, Vice President for Panelboard Systems in the ANDRITZ Paper, Fiber and Recycling Division, adds: “We are very impressed by Naturheld’s holistic approach, such as their regional wood supply or highly energy-saving and zero-wood-waste production process. We are looking forward to seeing ANDRITZ technology providing top performance in Naturheld’s new insulation material production facility.”

Naturheld is part of the Ziegler Group, an owner-managed company with more than 20 locations throughout Germany and almost 2,000 employees. The group has its origins in the wood industry and is also active in logistics, house construction, mechanical engineering, interior decoration, and the restaurant trade. 

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International technology group ANDRITZ offers a broad portfolio of innovative plants, equipment, systems and services for the pulp and paper industry, the hydropower sector, the metals processing and forming industry, pumps, solid/liquid separation in the municipal and industrial sectors, as well as animal feed and biomass pelleting. Plants for power generation, flue gas cleaning, recycling, and the production of nonwovens and panelboard complete the global product and service offering. Innovative products and services in the industrial digitalization sector are offered under the brand name Metris and help customers to make their plants more user-friendly, efficient and profitable. The publicly listed group has around 26,700 employees and more than 280 locations in over 40 countries.

ANDRITZ Pulp & Paper provides equipment, systems, complete plants and services for the production of all types of pulp, paper, board and tissue. The technologies and services focus on maximum utilization of raw materials, increased production efficiency and sustainability as well as lower overall operating costs. Boilers for power generation, flue gas cleaning systems, plants for the production of nonwovens and panelboard (MDF), as well as recycling and shredding solutions for various waste materials also form a part of this business area. State-of-the-art IIoT technologies as part of Metris digitalization solutions complete the comprehensive product offering.

From left to right: Reinhard Schlager, Manager R&D, ANDRITZ; Andreas Sandner, General Manager, Naturheld; Christian Rosypal, Sales Engineer, ANDRITZ; Robert Friedl, General Manager, Naturheld; Michael Rupp, Vice President for Panelboard Systems, ANDRITZ; Sebastian Forster, Project Manager, Naturheld; and Stephan Lohmeyer, General Manager, Scantec

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