ANDRITZ to rebuild board machine at Mayr-Melnhof Karton in Frohnleiten, Austria
The aim of the rebuild is to increase production as well as improve quality and the ecological footprint. Start-up is scheduled for 2023. The scope of supply comprises: *Rebuild of the wire section, including major modifications to the approach flow systems with new pumps, upgrade of three existing headboxes and the hybrid former, as well as a new 2-layer PrimeFlow AT headbox with the latest state-of-the art dilution water CD profiling for better high-end product quality *New press section with two PrimePress X shoe presses for gentle, energy-efficient dewatering and bulk savings at higher dryness *Rebuild of the pre-dryer section with PrimeRun web stabilizers for improved runability *Upgrade of two under-machine pulpers in the area of the press and pre-dryer section *Complete adaptation of the automation system to accommodate the scope of supply *Machine clothings for the complete scope of supply *Assembly, start-up and production assistance. The board machine KM3 has a design speed of 800 m/min and a wire width of 5 m. It produces folding boxboard (chromo duplex quality) with 230–450 gsm.