Metso Introduces New OptiDry Twin Impact Drying Solution
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October 05 04:09:04, 2025
At the recent Metso Paper Machinery Technology Exchange Conference in Finland, Metso unveiled a groundbreaking innovation in paper drying technology—OptiDry Twin. This advanced impact dryer is designed to enhance web dryness at higher temperatures during the initial drying stages, while ensuring optimal quality and smooth operation during the final phase. It effectively prevents web sticking and boosts web strength, all while allowing for higher operational speeds compared to traditional systems.
The OptiDry Twin system features two drying units: a horizontal and a vertical section, both equipped with blow boxes that ensure the paper web remains in close contact with the dryer surface. Thanks to its high evaporation rate, this system significantly improves paper dryness, especially in high-speed paper machines, making it an ideal choice for modern production lines.
One of the key objectives behind the development of OptiDry Twin is to make traction control independent of speed limitations. As the dry web moves from one guide roller to the next, only the necessary tension is applied to maintain contact between the web and the dryer. Importantly, there are no cold webs in contact with the hot dryer surface, which ensures precise and stable traction control throughout the process.
The OptiDry Twin Impact Dryer offers several notable benefits:
- **Reliable Performance**: The web runs smoothly with minimal negative pressure required to keep it tight against the dryer.
- **Enhanced Bulk**: Higher dryness levels reduce stress on the paper, leading to improved bulk.
- **Compact Design**: Compared to conventional drying systems, the papermaking line becomes more compact, reducing plant space and investment costs.
- **Increased Efficiency**: The system enhances machine efficiency, leading to a faster return on investment.
- **Higher Speeds**: In retrofit projects, the strong drying capacity allows for significant speed increases.
Suitable for both new installations and upgrades, the OptiDry Twin Drying Solution provides an efficient and cost-effective way to boost paper machine performance, improve drying capacity, and enhance product quality. It's a smart choice for manufacturers looking to optimize their operations and stay competitive in the market.