Felt is an important paper machine spare part and is widely used in all kinds of paper making machine, such as toilet paper machine, tissue paper making machine, wet napkin making machine, a3,a4 paper making machine, kraft paper machine and corrugated paper making machine. In drying section, wire section and reeling end of paper machine, felt are an necessary part to ensure the machine to function well.
The Press felt is an important role in removing the water from the paper web after the forming section, at the same time imparting smoothness and conveying it to the dryer section. For this reason, The press felt needs to provide the following functions: water removal, smoothness and runability. In recent years, larger and faster paper machines require press felts of even higher consistency and quality.
Paper making felt are required to have good dehydration, smoothness, stain resistance, wear resistance, dimensional stability, drug resistance, antibacterial, heat resistance and hydrolysis resistance.
type |
Position |
Function |
Characteristic |
Wet felt |
Running with water on paper machine |
Press the paper blank to dehydrate and smooth the paper surface |
Good water filtration and elasticity high strength, small shrinkage |
Upper felt |
Above the wet felt |
play the role of paper collar, top leveling and drying |
Flat,rigid,elastic wear-resistant high temperature resistant |
Dry felt |
Coated dryer |
ironing and drying |
Solid,good elasticity wear resistance high temperature resistance |
The processing method of paper making felt is to make a thick and thin bottom cloth with synthetic fiber, and then lay a mixed fiber net of synthetic fiber and a small amount of wool, which is formed by acupuncture, chemical treatment, resin finishing and heat setting.
Paper making felt are used for paper forming, wet paper pressing, dehydration and transportation.
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