HRS Exchangers recently supplied a G Series gas cooling heat exchanger to food waste AD plant operated by one of the UK’s leading waste management companies.
The anaerobic digestion plant transforms 45,000 tonnes of food waste from domestic and commercial sources into renewable electricity and high value digestate biofertiliser.
From the beginning the plant had been designed to be as efficient as possible and included exhaust gas heat recovery. However, when the original heat exchanger fitted to the exhaust system failed after just a few years of operation, the client approached HRS to provide a more robust and reliable replacement.
The HRS G is a complete stainless-steel multi-tube heat exchanger specifically designed for exhaust gas cooling and thermal recovery. The hot exhaust gases flows through the interior tubes of the heat exchanger while the service fluid, in this case water, flows though the surrounding shell.
The use of stainless steel is a key factor in the longevity of the G Series and rapid corrosion of the original carbon steel unit was one of the reasons for the original’s failure.
Other design features include a bellows to allow for thermal expansion, and a drain in the header to allow the acidic condensate which forms during operation to be removed, as well as a hatch to allow to manual cleaning and inspection.
In operation the new G Series heat exchanger cools the exhaust gas from ~530oC to ~320oC and the heat recaptured from the process is used in the AD facility and to provide hot water around the site.
Since installation the HRS G Series heat exchanger has performed so well that HRS has been asked to quote for the replacement of another unit which is used to treat the digested sludge from the plant, with an HRS DTI Series unit.
info@uk.hrs-he.com
www.hrs-heatexchangers.com
HRS Heat Exchangers
- 01923 232 335
- info@uk.hrs-he.com
- http://www.hrs-heatexchangers.com
- 3 Abloy House Hatters Lane Watford Hertfordshire WD18 8AJ GB
About us
HRS Heat Exchangers operates at the forefront of thermal technology, offering innovative and effective heat transfer products worldwide, focusing on managing energy efficiently. Providing a range of heat exchangers, modules and complete processing systems that help you to optimise production, make the most of raw materials, whilst reducing energy consumption, waste and emissions. With 40 years’ experience specialising in design and manufacture of an extensive range of turnkey systems and components incorporating our corrugated tube and scraped surface heat exchanger technology, in compliance with the Global Standards. HRS has a global network of offices: UK, Spain, USA, Malaysia, Australia, India, Russia and Mexico; with manufacturing plants in the UK, India and Spain. Our patented and proven heat transfer technologies, combined with our knowledge make it possible to offer best in class solutions for a wide range of industries and applications.
What we do in a nutshell
HRS Heat Exchangers operates at the forefront of thermal technology, offering innovative and effective heat transfer products worldwide, focusing on managing energy efficiently.
Where we supply to
UK Ireland, Europe, Asia, Australia, South America, North America
