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Finishing part of paper machine

Views: 3     Author: Site Editor     Publish Time: 2020-06-20      Origin: Site

The complete part of the paper machine finishing section, the complete set of equipment that links the pulp to the paper web is called the paper machine, which includes the head box, wire section, press section, drying section, calender, roll machine and transmission section. Main machine and auxiliary systems such as steam, water, vacuum, lubrication, heat recovery, etc.

  Multi-process treatment to achieve good surface quality. Most papers are calendered by a mechanical calender behind the paper machine to make the paper smooth and consistent. The mechanical calender is made of several cold cast iron rollers, and the paper surface is flattened by the weight of each roller or another pressure. If a higher surface smoothness is required, use a super calender to calender. It is generally composed of pulp rolls and cold cast iron rolls arranged alternately. According to different usage requirements, some varieties need surface sizing to improve surface quality; some have to be surface coated to improve appearance quality or printing quality. Surface sizing and coating can be processed with paper forming outside the paper machine through the sizing machine and coating machine, or the sizing machine and coating equipment can be combined in the paper machine for in-machine processing.



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