MEGTEC's Dual-Dry RTO Dryer With Integrated Oxidizer Lowers Gas Consumption And Emissions By 50% |
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MEGTEC Systems
830 Prosper Rd., P.O. Box 5030
De Pere, WI, 54115-5030
USA
Press release date: February 10, 2008
De Pere, Wis., U.S.A., February 10, 2008-MEGTEC Systems announces the first installation of its new Dual-DryŽ RTO drying system with integrated Regenerative Thermal Oxidizer (RTO) on an 80-page press with web width of 2250 mm.
"Continuously rising energy prices and more stringent environmental requirements in combination with wider and faster webs demand different technology for profitable operation of modern high volume offset heatset presses" said Andy Keil, director of marketing and product development of MEGTEC's Printing Products Group. "Since the 1990's, independent regenerative pollution control systems have replaced recuperative technology in web offset printing. At the same time, dryers with integrated oxidiser were developed for many applications.
MEGTEC combined both industry trends in the design of the Dual-DryŽ RTO. The Dual-DryŽ RTO completely redefines the standards for heatset performance in energy consumption, environmental footprint, product quality and lifetime operating costs."
With the integration of regenerative thermal oxidation (RTO) for air pollution compliance combined with an ultra high 95% efficiency heat exchanger, the Dual-DryŽ RTO is the most fuel-efficient print dryer in the world. Under many production conditions, the RTO supplies all the energy required for both, oxidation and drying, leading to zero fuel consumption. In average production conditions, the Dual-DryŽ RTO reduces gas consumption by 50% compared to the best-in-market recuperative systems.
With RTO technology, ink solvent is burned at a combustion temperature about 100°C above the temperature required by recuperative systems. Result is a reduction of NOx and CO guaranteed emissions by 50% without negative impact on the lifetime of the oxidizer. CO2 emissions are reduced under all printing conditions as well and make the Dual-DryŽ RTO the most environmentally friendly dryer in the world.
Engineered to meet the growing demand for wider web formats, the Dual-DryŽ RTO is designed for high-volume offset presses of 48, 64, 72 80 and 96 pages and is available in 2 different lengths for different speeds up to 18 m/s.
The first Dual-Dry RTO with the new design for large presses will be installed at Leykam in Austria in March 2008, on a MAN Roland 80-page Lithoman press with a maximum web width of 2,250 mm together with the new DLC 6000 paster from MEGTEC.
MEGTEC Systems is the largest independent supplier of pasters and splicers, dryers and related equipment to the newspaper and commercial printing industries.
ADD ONE, MEGTEC Dual-DryŽ RTO
Low cost transport & simple installation
With increasing web widths, the physical size and weight of the dryer increases to a point where transport costs and transport permissions become real issues. On the other hand a mechanical installation at the printing plant is not advantageous for cost and time reasons. By splitting dryer and oxidizer into two compact units of about the same weight, the new Dual-Dry RTO becomes easily transportable, even up to 2860 mm web width. The dryer connects to the oxidizer at only three points and is designed to keep installation time very short. All supply fan motors remain on the dryer and do not need to be removed for transport.
Unique at MEGTEC : RTO pollution controlMEGTEC's Dual-DryŽ RTO dryer with integrated oxidizer lowers gas consumption and emissions by 50%
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