What are the characteristics of paper machines?

Paper machine, for paper-making equipment, belongs to the category of equipment accessories. The main body of paper machine is composed of headbox, wire section, press section, drying or sizing section, calendering section, coiling section and transmission part, and auxiliary systems such as steam, water, vacuum, lubrication and heat recovery.

A machine for making paper from the water suspension of pulp which meets the requirements of papermaking through the process of filter screen dehydration, mechanical extrusion dehydration and drying. The paper machine consists of three main parts: forming, pressing and drying, equipped with necessary finishing, coiling and transmission devices, as well as auxiliary systems such as pulp supply, pulp and white water circulation, vacuum, ventilation and exhaust, paper loss treatment and lubrication, automatic control and other auxiliary systems. The specifications of a paper machine are usually expressed by the width of the finished paper, the width of the copper wire mesh and the optimum working speed. The width of modern large paper machine can reach 11m, the speed of working car can reach more than 1000m / min, the daily paper output can reach hundreds of tons, and the weight of the whole machine can reach more than 1000 tons, up to more than 100 meters. In general developing countries and some special paper production, small paper machines are widely used. The paper width is 1-3m, and the working speed is tens of meters to 200 meters per minute.

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