Product category:
Printing Presses and Machinery (New and Used, Service and Repair)
News Release from: KBA | Subject: Rapida 105 8-colour, 5-colour presses
Edited by the Printingtalk Editorial
Team on 07 September 2007
Print Can Make Contribution To The
Environment
The printing industry faces a number of very important issues but one of the most prominent matters is the contribution it can make towards protecting the environment.
However, there is a lot of hot air generated about the need to cut CO2 emissions, switch to sustainable resources and conserve energy That is according to German press manufacturer, KBA, which said that one printer, Druckhaus Dresden, is being helped to achieve its own environmental objectives with the help of two KBA Rapida presses
This article was originally published on Printingtalk on 9 Feb 2004 at 8.00am (UK)
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Druckhaus Dresden adopted a central energy and process management system (EPMS) last summer when a new, 2,000 square metre (21,500 square foot) production hall and warehouse were being built and the installation of a new KBA Rapida 105 eight-colour perfector press and a Rapida 105 five-colour hybrid coater press with extended delivery offered the ideal opportunity.
The two Rapidas, along with two smaller Heidelberg presses, are embedded in a JDF workflow and networked with pre-press and administration via Logotronic and Rogler software.
EPMS, which was developed by Quint, is the key component in a print pe-ripheral system, said KBA.
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EPMS handles fount solution preparation, osmosis, washing, temperature control, return cooling, UV cooling, cold-air blasts for the UV and hybrid coating processes and heat extraction from the press line.
It incorporates Binder's new evaporation-based air humidifier system.
The four installed evaporator units use mains water, so there is no need for osmosis water, added KBA.
Energy savings were not the main reason for adopting the concept, though, as quality benefits are created.
Karl Nolle, managing partner at Druckhaus Dresden, considers cheap, run-of-the-mill systems a waste of money and added: "In the final analysis, so-callec cheaper systems are much more expensive because they consume an excessive amount of energy and consumables in the course of their productive life, without guaranteeing the process stability that is indispensable for standardised print production." With EPMS it is claimed that it is possible to achieve a 50 per cent reduction in the energy consumed by peripherals.
Karl Nolle explained: "Even without heat recovery we calculate that the initial investment cost will be recouped in less than six years and with heat recovery in just three years.
At a single stroke it complies with the Kyoto protocol on reducing CO2 emissions and promotes stability and quality throughout the printing process." KBA added that Druckhaus Dresden is one of the first printing plants in Saxony and Thuringia (Germany) to achieve PSO (Process Standard for Offset) accreditation.
But adopting EPMS is just the first of three steps at the company.
Soon a heat recovery system will be put in to operation that uses heat pumps to extract heat emissions during production.
That means that, in the winter, the gas boiler for the central heating can be switched off during triple-shift production.
In 2008 the central heating system will be converted to a geothermal system and exhaust heat conducted to a groundwater pipe system that can be used as a seasonal heat accumulator.
That third and final step in Druckhaus Dresden's sustainable energy conservation project will eliminate the need for external air-conditioners.
The potential benefits, based on a saving of 330g (11.5oz) of CO2 per KW of electrical power, are claimed to be reductions of: 70 tonnes of CO2 per year from adopting EPMS; five tonnes of CO2 per year through air humidification with no com-pressed air or osmosis and 60 tonnes of CO2 per year through heat recovery and geothermal heat.
When the system is fully operational the total saving will be approximately 135 tonnes (148.5 US tons) of CO2 per year, with a 70 per cent reduction in heating costs compared to conventional systems, said KBA. Request a free brochure from KBA ...
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