SKF bearings help innovative Lontra compressor reduce energy consumption by over 20 percent
Resource from: Process Control Today Likes:209
Jun 29,2016
An innovative new compressed air system is using SKF tapered roller bearings, which are helping to keep energy, carbon dioxide and noise emissions to a minimum.
Background
Compressed air is used throughout industry, with the British Compressed Air Society (BCAS) estimating that 70 percent of all companies use it in their operations. Indeed, the global market for air compressors is valued at more than £20bn per year.
Although there have been ongoing improvements made to existing compressor designs over the years, for over half a century there wasn’t a true innovation in compressed air systems. However, thanks to Lontra’s new Blade Compressor® this is no longer the case.
Midlands-based technology developer Lontra has designed and manufactured an innovative new compressor that delivers high performance while minimising wastage and saving energy.
Lontra’s Blade Compressor® is a step change in air compressor technology, best imagined as a piston and cylinder, but with the piston wrapped into a ring doughnut shape. Whereas previous attempts by the industry to achieve system improvements may have improved efficiency by a few percent, this new design has been proven to make systems more than 20 percent more efficient.
In its short life so far the Lontra Blade Compressor® has been acknowledged by many within the engineering industry. So far it has earned the Water Sustainability Award for Innovation in 2013, Best New Product Award at the Environment and Energy Awards 2015 and one of the first investments from the Institution of Mechanical Engineers’ Stephenson LP fund, which has been introduced to back companies developing cutting-edge UK technologies that are “likely to be useful to the world”.
Business need
Because the Blade Compressor® was a new technology and operated differently to existing compressed air systems, there were a number of specific factors that had to be considered when specifying bearings.
The Blade Compressor® operates in a continuous motion at high speed, so the bearings had to provide true rolling and low friction – keeping thermal energy and noise emissions to a minimum.
Because of the high speeds, the bearings also had to be manufactured to a high quality to ensure long life. Any energy savings achieved by customers would be irrelevant if the Blade Compressor® experienced unscheduled downtime due to bearing wear leading to failure. This means bearings must be manufactured using strong, reliable materials with tight tolerances.
Solution
Following discussions with Lontra and having analysed the inner workings of the Blade Compressor®, SKF tapered roller bearings were specified, of which two are installed in each compressor.
SKF tapered roller bearings comply with both ISO and ANSI/ABMA standards and deliver a number of proven performance benefits that made them the ideal solution for the Blade Compressor®. This includes: longer service life compared with the market average; high load-carrying capacity; low operating temperatures; and exceptionally low vibration and noise levels.
Using SKF SimPro Expert, SKF analysed the bearing arrangement and established the optimum pre-load in order to achieve optimal bearing service life, and therefore achieve maximum efficiency.
Since installation the bearings have proven to be the ideal solution and are expected to be installed on future versions of the Blade Compressor®.
In application
Severn Trent Water, one of the UK’s largest water and wastewater service companies, saw the potential of the Blade Compressor®, which is why in 2012 it installed a prototype of the compressor at its Worcester facility in a full-scale trial as a ‘duty blower’.
Initially intended to be a six month trial to explore energy efficiency, the Blade Compressor® excelled to such an extent that Severn Trent Water opted to keep it in operation. In fact, the site’s instrumentation and supervisory control and data acquisition system (SCADA) showed that conventional blowers used more than 20 percent more electricity to deliver an equivalent amount of air when compared with Lontra’s Blade Compressor®.
These remarkable results prompted Severn Trent Water’s then chief executive Tony Wray to report that, were the Lontra Blade Compressor® to be rolled out across all of Severn Trent’s wastewater treatment works, the company could save more than £1.8 million a year in electricity costs, with a significant reduction in the company’s overall carbon emissions of three percent.
For more information, please contact:
SKF (U.K.) Limited
Sundon Park Road
Luton
Bedfordshire
LU3 3BL
Tel: +44 1582 490049
Fax: +44 1582 848091
Email: marketing.uk@skf.com
Web: www.skf.co.uk
(Process Control Today)
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1.The news above mentioned with detailed source are from internet.We are trying our best to assure they are accurate ,timely and safe so as to let bearing users and sellers read more related info.However, it doesn't mean we agree with any point of view referred in above contents and we are not responsible for the authenticity. If you want to publish the news,please note the source and you will be legally responsible for the news published.
2.All news edited and translated by us are specially noted the source"CBCC".
3.For investors,please be cautious for all news.We don't bear any damage brought by late and inaccurate news.
4.If the news we published involves copyright of yours,just let us know.
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