Heinzel Group entrusts ANDRITZ with sustainable packaging production

The project, initiated by the Heinzel Group, aims to transform the machine into a producer of kraft papers for sustainable flexible packaging, replacing its previous use for graphic paper production under UPM.

Following the rebuild by the international technology group, ANDRITZ, the converted paper machine, designated as PM6, will have the capacity to manufacture up to 150,000 tons of brown and white low-basis weight kraft paper annually. These papers will be marketed under the Heinzel Group’s renowned StarKraft brand, serving various applications such as shopper bags, pouches, and other flexible packaging products.

The innovative conversion of PM6 will utilise ANDRITZ’s cutting-edge gap forming concept, incorporating a unique headbox and shoe-blade gapformer combination. Additionally, the installation of an ANDRITZ PrimePress X shoe press and the enhancement of the existing steam and condensate system will enable energy savings while ensuring the production of high-quality end products.

Traditionally, the production of such kraft paper involves the use of a Fourdrinier former. However, the PM6 gapformer rebuild will feature a novel concept based on the single-shoe setup of the PrimeForm TW. This adjustable shoe-blade gapformer, combined with a PrimeFlow AT headbox featuring dilution control for superior cross profiles, will enable precise customisation of paper properties and exceptional dewatering performance. The concept has already demonstrated its success during pilot trials.

The PM6 will operate at a design speed of 1,500 m/min, with a paper width at the reel of 6,300 mm. ANDRITZ’s scope of supply includes upgrades to the stock preparation, approach flow, and broke handling systems, as well as comprehensive improvements to the automation systems (DCS, QCS, MMD), detailed engineering packages, and mechanical erection. Furthermore, the steam and condensate system will be redesigned and upgraded, contributing to energy efficiency. The rebuilt machine is scheduled to commence operation in early 2024.

The Heinzel Group, with its production companies Heinzel Pöls, Laakirchen Papier, Raubling Papier, and Estonian Cell, holds a prominent position as a leading pulp and paper producer in Central and Eastern Europe. Heinzel Group and ANDRITZ have maintained a long-standing and successful business relationship, with ANDRITZ previously converting PM10 at Laakirchen and delivering Europe’s largest new MG paper machines (PM3 and PM2) to the Pöls mill.

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