A machine for copying a pulp aqueous suspension that meets the requirements of papermaking into a paper by a process such as dewatering, mechanical extrusion, dehydration, and drying. The paper machine includes three main parts: forming, pressing and drying of the above process, and is equipped with necessary finishing, coiling and transmission, as well as slurry, slurry and white water circulation, vacuum, ventilation, and damage. Auxiliary systems for paper handling and lubrication, self-control. The specifications of a paper machine are often expressed in terms of the width of the paper formed (referred to as copy width), the width of the copper mesh, and the preferred working speed. The modern large-scale paper machine has a copy width of up to 11m, a working speed of more than 1000m/min, and a daily production capacity of hundreds of tons. The weight of the whole machine is more than 1,000 tons and is more than 100 meters. In the developing countries and some special papers, the use of more small paper machines is 1~3m wide and the working speed is tens of meters to 200 meters per minute.
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