圆网纸机生产挂面箱纸板的技术改造

摘要

The rebuilding experience of a cylinder machine is introduced in this paper. A cylinder machine consisted of a former with movablearc plate and zigzag flow was rebuilt, in addition to the original three rolls hemi-dry calender was replaced by a large diameter roll press andthe number of drying cylinders was increased, a surface sizing press and a calender were newly installed. The speed of the rebuilt machineincreased from 95 ~ 130 ra/min to 95 - 230 m/min, and its capacity increased from 35 ~ 45 t/d to 100 - 135 t/d when packaging paper wasproduced.%介绍了圆网纸机采用折流带压活动弧形板成形器、三辊半湿压光机,改换大辊径压榨,增加烘缸组,增设表面施胶机和压光机等系统的技术改造情况.生产实践表明,改造后,车速由改造前的95～130/min提高到95 ～230m/min,日产量由改造前的35 ～45t提高到100 ～ 135t,且所生产的挂面箱纸板和瓦楞原纸档次得到了提高.