Valmet has supplied two high quality containerboard machines for Anhui Shanying Paper Industry Co., Ltd in the City of Ma'anshan in Anhui Province, China. Both machines, paper machine 5 (PM 5) and paper machine 6 (PM 6), were recently successfully started up.
The new PM 6 machine even set its 24 hour average machine speed record of 1,398 m/min already 12 days after the start-up.
Valmet's delivery for PM 6 included a complete 8.60-m-wide (wire) containerboard machine from headbox to winder. The delivery also included machine clothing and a wide range of process systems. This kind of an extensive overall delivery package from the same supplier enabled the design of highly energy-efficient production line.
The new PM 6 is equipped with a gap forming technology, OptiFormer Gap, which enables a new, higher production speed category for lightweight, high quality containerboard making. The production line also includes two winders. PM 6 produces fluting and testliner grades in the basis weight range of 50 -110 g/m2 and with design production speed of 1,500 m/min. Valmet's delivery for PM 5 included a complete boardmaking line from headbox to reel with chemical systems, winder and roll handling equipment. The new PM 5 is equipped with three headboxes, multi-Fourdrinier forming section, center roll -based press section, sizing with film application as well as hard nip calender. The production line is completed with two-drum winder. The delivery also included machine clothing and a wide range of process systems.