The papermaking machine is a papermaking apparatus that forms a pulp-to-paper section, and includes a headbox, a wire section, a press section, a drying section, a vacuum box, a blanket changing device, and a main body such as a transmission section, and steam, water, and vacuum. Lubrication, heat recovery and other auxiliary systems. The web part forming the wet paper web is the core of the paper machine, so the paper machine can be divided into long web paper machine, net paper machine and cylinder paper machine according to the structure of the net department.

　　The head box is a device for uniformly and stably delivering the slurry of the appropriate concentration to the net through the distributor, the rectifying device, the crucible pool, the sampan plate nozzle, etc., which is also called the headbox; the slurry is sprayed from the headbox to the copper. After the web is formed, a wet paper sheet is formed on the web and dewatered; the press is followed by mechanically extruding the moisture of the wet paper sheet emerging from the web, improving the dryness of the paper sheet, and improving the surface properties of the paper sheet. , Eliminate network marks and increase smoothness, tightness and strength; Then enter the drying section, make the wet paper sheet after dehydration further dehydration, make the paper sheet shrink, fiber binding tight and increase strength.

　　After the sheet from the drying section is calendered by the calender, it can improve the smoothness, gloss and tightness of the sheet, make the full thickness of the sheet uniform, and reduce the air permeability; finally, the paper is used by the reel. Rolling into paper rolls completes the main process of papermaking. In order to meet the different needs of the future, there are super calenders, rewinders, and paper cutters in the papermaking workshop.

　　The paper industry consumes a large amount of raw materials, water, electricity, and chemicals, and produces a large amount of waste water and waste residue. Therefore, the future of papermaking machinery will develop towards the use of a wide range of papermaking raw materials, reducing the material and energy consumption of the papermaking process, and reducing environmental pollution.

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