新纸机干燥部——岳阳纸业LWC改造项目国际新技术消化吸收

The dryer section of new paper machine——The digestion and absorption of the international new technologies in LWC project of Yueyang Paper Group

本文叙述了Enertec、Valmet和Voith三家外商交流中为LWC新纸机提出的前、 后干燥部的设计方案。前干燥都采用最新的单排缸设计;都有防止纸幅颤动、鼓包和断头的措施;真空网辊直径不同;带纸的措施也不尽相同。本文介绍了它们共同的优点和差异之处,并做了初步分析。

The paper introduced the pre-dryer section and after-dryer section design plans for the new LWC paper machine put forward byEnertec, Valmet and Voith. All of their plans of the pre-dryer section adopted the latest single-row drying cylinder design and have takenmeasures for web flutter, blister and web break; the diameters of vacuum wire roll are different; the methods for suction feed are also different.The paper introduces their common advantages and their differences and gives a tentative analysis.