Synthetic Dryer Fabrics

Synthetic Dryer Fabrics or Screens

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Paper making dryer fabrics: function, selection & classification

The dryer clothes or dryer screen or felt has a significant function in the dryer part. Synthetic dryer cloth or fabric is also recognized as conveyor belts.
When paper web exceed press section of a paper machine, it contains more than half of its weight is water. Most of this water of the paper web should be removed in the dryer section of the paper machine to ensure 4%-6% of final water content. The drying section is one of the most energy consuming parts (about 60%) of the paper machine. Consequently the role of dryer clothes or screen is absolutely enormous.

Function of dryer screen:
The dryer cloth presses the paper web against the surface of steam-heated drying cylinders. Therefore the temperature of the paper web increases and water is evaporated into and through a porous dryer screen. Moreover dryer clothes assist to support the paper web to shift from one cylinder to another cylinder. Dryer screen controlled paper web shrinkage.

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