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Vacuum Roll Double Doctor
The application of double doctor in vacuum roll includes: suction couch roll, Vacuum suction roll, vacuum press roll and so on. Function of vacuum roll double doctor:
1. The dryness of wet paper can generally be increased by 1% to 5%, which save steam consumption in the dryer section.
2. Reduce broken paper, improve the integrity of finished paper.
3. It can increase the cleanliness of the roller surface and reduce the wear of the blade on the roller surface, thus prolonging the service life of the roller.
4. It can improve the vertical and horizontal water distribution of paper.
Hard Pressing Roll Double Doctor
The application scope of hard pressing roll double doctor includes press roll and calender roll. The surface of the roll is usually covered with hard granite, ceramics or synthetic materials. Function of vacuum roll double doctor:
1. Bring the best cleaning effect to the roll surface.
2. Reduce paper defects and broken paper.
3. The paper feeding can be carried out smoothly, so the quality of finished paper can be guaranteed.
4. Hard pressing roll double doctor can improve the vertical and horizontal water distribution of paper effectively with water injection lubrication.
Leizhan is a professional paper machinery manufacture with many years of pulping and paper machine production experience. Welcome to contact us by email: leizhanpapermachine@gmail.com