Forming Section of Paper Machine

With the increase of speed and their requirements on paper surface properties, gradually exposed the traditional paper machine forming part forming sheet on both sides, poor evenness, limitation of speed limit, in order to overcome these shortcomings, the modern molding department innovation focused on the development of wire forming.

Net clamping molding is a new structure form of paper machine, it is the most basic characteristic of jet suspension to the paper clip area between two nets immediately on both sides of dehydration, pages quickly formed, namely the clamping net forming part is forced to form sheet equipment, therefore, no matter from which structure of clamping net forming part, must have the basic conditions as follows:

  • 1. The forming section must be equipped with efficient headbox, this condition is to guarantee the key factors to improve the paper machine speed and the forming quality, because the paper material suspension injection to two net net clamping molding department immediately formed sheet, uniform dispersion and distribution of headbox of paper material ejected page fiber will be directly reflected in the forming of a page.

  • 2. Must be equipped with a lot of dehydration in high speed high efficiency dewatering element, general paper machine speed is fast, and has the advantages of compact structure, forming the dehydration zone than fourdrinier machine is much shorter, only efficient dewatering element to ensure the drag removes a lot of water in a very short period of time, and ensure the quality of the sheet forming.

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