Drying systems for printing machines
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Hot-Air Drying Systems for Printing Presses
Venti Oelde’s hot-air drying systems are specifically designed for use in modern printing and coating lines. They ensure uniform and reliable drying of printing inks, varnishes, and coatings—even at high production speeds and with wide web widths.
At the heart of the systems is a high-performance hot air generation unit, which, depending on process requirements, is implemented using electric heating coils, gas-fired air heaters, or thermal oil heat exchangers. This allows process temperatures ranging from approximately 60 °C to 350 °C to be precisely set and constantly regulated. High-performance recirculating air systems deliver air flow rates of up to over 100,000 m³/h per drying zone, enabling intensive heat transfer and short drying times.
The systems are designed for material web widths ranging from approximately 500 to 2,500 mm and can be configured as multi-zone nozzle dryers with individually adjustable temperature and air volume. Flow-optimized nozzle arrays ensure uniform exposure of the material web, thereby guaranteeing consistent drying quality across the entire width.
In many processes, combining near-infrared (NIR) or infrared (IR) drying with convection drying can result in highly efficient hybrid systems that enable either very compact or very fast drying.
Thanks to their modular design, the drying systems can be flexibly adapted to different printing processes and production capacities. Options such as heat recovery, frequency-controlled fans, or integrated solvent monitoring (LEL monitoring) enable energy-efficient and safe operation.
The systems are used in gravure, flexographic, and coating lines for paper, films, and packaging materials, among others, and can be integrated into both new production lines and existing printing presses.
Hot-Air Drying Systems for Printing Presses
Venti Oelde’s hot-air drying systems are specifically designed for use in modern printing and coating lines. They ensure uniform and reliable drying of printing inks, varnishes, and coatings—even at high production speeds and with wide web widths.
At the heart of the systems is a high-performance hot air generation unit, which, depending on process requirements, is implemented using electric heating coils, gas-fired air heaters, or thermal oil heat exchangers. This allows process temperatures ranging from approximately 60 °C to 350 °C to be precisely set and constantly regulated. High-performance recirculating air systems deliver air flow rates of up to over 100,000 m³/h per drying zone, enabling intensive heat transfer and short drying times.
The systems are designed for material web widths ranging from approximately 500 to 2,500 mm and can be configured as multi-zone nozzle dryers with individually adjustable temperature and air volume. Flow-optimized nozzle arrays ensure uniform exposure of the material web, thereby guaranteeing consistent drying quality across the entire width.
In many processes, combining near-infrared (NIR) or infrared (IR) drying with convection drying can result in highly efficient hybrid systems that enable either very compact or very fast drying.
Thanks to their modular design, the drying systems can be flexibly adapted to different printing processes and production capacities. Options such as heat recovery, frequency-controlled fans, or integrated solvent monitoring (LEL monitoring) enable energy-efficient and safe operation.
The systems are used in gravure, flexographic, and coating lines for paper, films, and packaging materials, among others, and can be integrated into both new production lines and existing printing presses.



