Paper machine vacuum press roller

Description：
The structure of the vacuum press roll is similar to that of the vacuum roll, but there are several differences. The vacuum chamber width of the vacuum press roll is narrower, usually 100mm. The diameter of the small hole in the surface of the vacuum press roll is about 4.5mm. The opening rate of the roll surface is low, which is generally 15-25%. The surface of the vacuum press roller roller surface needs to be wrapped, and the thickness of the film is 20mm.

The pressure of vacuum press roller is different according to the moisture content of wet paper, the quantity and type of paper, and the strength of roll shell. Generally, the vacuum degree of the vacuum press roller of 20-50KN/m. Medium speed paper machine is generally 39.2-49Kpa, and the high-speed paper machine can reach 58.6-63.6Kpa.