ANDRITZ rebuilding board machine at Austria’s Mayr-Melnhof Karton
GRAZ tional technology group ANDRITZ has received , AUSTRIA - Internaan order from Mayr- Melnhof Karton, Austria, to rebuild its KM3 at the mill in Frohnleiten. The aim of the rebuild is to increase production as well as improve quality and the ecological footprint. Start-up is scheduled for 2023.
ANDRITZ will rebuild of the wire section, including major modifications to the approach flow systems with new pumps, upgrade of three existing head boxes and the hybrid former, as well as a new two-layer PrimeFlow AT headbox with the latest state-of-the art dilution water CD profiling for better high-end product quality.
Work will also include a new press section with two PrimePress X shoe presses for gentle, energy-efficient dewatering and bulk savings at higher dryness and a rebuild of the pre-dryer section with PrimeRun web stabilizers for improved runability.
ANDRITZ will also upgrade two under-machine pulpers in the area of the press and predryer section, complete an adaption of the automation system to accommodate the scope of supply and upgrade machine clothings for the complete scope of supply and assembly, provide 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.
ANDRITZ will also adapt the automation system of the stock preparation lines for board machines KM2 and KM3 in Frohnleiten.
The upgraded automation system will enable high equipment availability as well as fast and easy operation and maintenance. The modifications will be made in several stages, with final completion planned for 2022.
Mayr-Melnhof Karton is Europe’s leading board producer. With a capacity of 540,000 t/y recycling board, the mill in Frohnleiten, Austria, has the highest production capacity in the European carton board industry.
