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    Paper machine finishing part

    TIME:2019-05-27 BROWSE:664

      The complete part of the paper machine finishing part, which makes the pulp to form the partial linkage of the paper web, is called the paper machine, including the headbox, the net part, the press part, the drying part, the calender, the reeling machine and the transmission part. Main engine and auxiliary systems such as steam, water, vacuum, lubrication, heat recovery.

      Use multiple processes to achieve good surface quality. Most of the paper is calendered by a mechanical calender after the paper machine to make the paper surface flat. The mechanical calender is made up of several cold cast iron rolls that flatten the paper surface with the weight of each roll or another pressurization. If higher surface smoothness is required, it should be calendered with a super calender. It is generally composed of a stack of paper rolls and cold cast iron rolls. Depending on the application requirements, some varieties are surface sized to improve surface quality; some are surface coated to improve appearance quality or print quality. Surface sizing and coating can be processed by paper machine outside the paper machine through a size press and a coater, or the size press and coating equipment can be combined in a paper machine for in-machine processing.


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