Installing a new Atlas Copco ring main and variable speed driven (VSD) compressor with ancillaries is calculated to result in an annual carbon reduction of approximately 48 tonnes of CO2 for award winning magazine printing company, Buxton Press Limited - along with close to £7,500 per annum savings in compressed air energy costs.
Based in the picturesque Derbyshire market town of Buxton, forward-looking family-owned business Buxton Press is one of the UK’s leading independent litho sheet-fed printing companies. It specialises in printing paginated magazine and catalogue work for weekly, monthly, bi-monthly, quarterly and annual distribution. The company’s ultra-modern print production plant features a state-of-the-art installation of multi B1 long-perfecting CutStar supported printing presses. Annually it is responsible for printing some 54 million publications, equivalent to 23 million four-colour A4 pages a day, for more than 600 publishers.
The recommended course of action was to completely re-route a new 2 ½ inch AirNet ring main and add an energy-efficient 7 bar GA 75 VSD FF full-feature rotary screw variable speed compressor, complete with integrated refrigerant drying and air quality ancillaries. The VSD compressor would continually match the variable compressed air pressure requirements throughout all shifts; with the two-existing fixed-speed compressors to be retained for back-up supply generation.
The new re-routed ring main system allowed the generated air pressure to be lowered by 2 bar, with a constant energy saving in the region of 12 per cent. Based on the company’s average day-shift and night-shift rates, it was calculated that the recommended installation would achieve an overall 25 per cent saving in Buxton Press’s annual air generation costs.
Commenting on the success and benefits of the installation project, Buxton Press Factory Manager, Chris South said:
The Atlas Copco led project was carried out with professionalism, full flexibility and a high level of technical skill. Their team worked around our tight production schedules without a single interruption to our delivery programmes. The whole installation was designed to give us a reliable and efficient air supply system, both for our present needs and to provide additional compressed air capacity to fully cater for our forward growth plans. Following project completion, system performance tests confirmed Atlas Copco’s predicted performance figures were fully met in every instance.
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