Dryer Cylinder in Pulp and Paper Machinery
The dryer cylinder is a vital paper mill machine component that plays a central role in the drying section of a paper production line. After the paper web leaves the press section, it still contains a significant amount of water that must be removed to achieve the final paper dryness. The dryer cylinder removes this water by transferring heat from steam inside the cylinder through the metal shell to the paper web that wraps around its surface. As the paper web travels over a series of dryer cylinders arranged in groups, the heat evaporates the remaining water, raising the paper temperature and achieving the target moisture content for the finished paper. The dryer cylinder works together with the steam and condensate system to maintain the correct surface temperature for efficient drying. Without reliable dryer cylinders, the paper machine cannot produce dry, finished paper suitable for end use.
Main Technical Specifications of Dryer Cylinder
| Parameter | Specification |
|---|---|
| Quantity | 30 Sets |
| Diameter | Φ1800 mm |
| Face Width | 5200 mm |
| Cylinder Material | HT300 Resin Sand Casting |
| Wall Thickness | 30 mm |
| Cover Material | QT400-18 |
| Surface Hardness | HB170-210 |
| Working Steam Pressure | 0.6 MPa |
| Hydrostatic Test Pressure | 1.2 MPa |
| Surface Roughness | ≤0.8 μm |
| Balance Grade | G2.5 |
| Bearing Type | SKF |
| Lubrication | Oil Lubrication |
| Bolt Strength Grade | 8.8 |
As a leading manufacturer of paper industry machinery, Zhengzhou Leizhan Technology provides high-quality paper manufacturing machine and paper making machine solutions. Our dryer cylinder is designed for easy integration into any paper making line and is backed by responsive after-sales technical support. For mills seeking a dependable paper production line or complete paper mill line solution, our dryer cylinder delivers outstanding performance and long-term reliability. To learn more about how our dryer cylinder can benefit your paper processing line or turnkey paper production line, please contact us at leizhanworld@gmail.com.
