HVAC FEATURE
ustainability is one of FEG’s key disciplines and as such is focusing on the recovery of energy from waste heat using a novel technology from Heliex. “Sustainability is now part of an organisations strategic planning,” says managing director Chris Williams. “Energy is expensive but in industries that generate heat as part of their everyday processes re-use of waste heat is often not possible therefore energy or heat recovery to generate electricity can significantly improve efficiency and profitability. The Heliex Waste Heat to Energy system is well established using rotary screw technology and can be applied in many process’ that produce waste heat or directly in steam systems including fully saturated steam. “This gives us scope for applications in a
wide range of industrial and process industries including electricity generation, petrochemical industries, glass and refractories, pharmaceuticals, food, brewing and distilling, paper production, biomass and land fill gas engines. Industrial diesel engines and gas turbines, combined heat and power systems, geothermal power stations and processes utilising steam pressure reduction valves
Recovering energy from waste heat S
robust technology than conventional turbines with fewer parts, lower speeds and is not sensitive to steam quality. “Systems have low maintenance costs
Systems have low maintenance costs compared with existing technologies
can all improve their energy economics by utilising Heliex technology.” “Heliex uses well proven rotate screw
technology conventionally used in the production of compressed air, developed and patented for expansion. Using this twin rotary screw principle, Heliex Expanders can use the pressure reduction step in steam distribution circuits to generate clean electricity; they work where turbines cannot because they can process wet steam. This technology eliminates timing gears and other costly components without the use of use refrigerants while generating electricity at 50 or 60Hz. Heliex is a simpler and more
compared with existing technologies and standalone Heliex packaged sets operate fully automatically. There is minimum production interruption during installation. The system has a very low maintenance requirement with low cost of ownership and offers sensible paybacks that are not dependent on incentives to be viable. In certain circumstances further benefits of CO2 emission credit allowances and incentives are available under the EU Emissions Trading Scheme where applicable.” FEG’s engineering team offer a complete
service for the design, supply and installation of systems which is fully integrated with any existing boiler, steam supply of flue extraction system. Continuity of production is achieved by running any energy recovery system in parallel with existing systems, effectively resulting in a ‘duty/standby’ arrangement.
FEG T: 0191 404 6830
www.feg-global.com
Enter 311
Infrared Temperature Measurement EMS Equipment Monitoring System
Eearly Warning Device Provides early detection of thermal issues on electrical cabinets, motors, furnace controls and heating elements.
All components are IP65 rated Innovative, multi-sensor system Plug-and-play installation
Real-time temperature display and alarm signals
RS-485 communication for remote set-up
www.raytek.com/ems The Worldwide Leader in Noncontact Temperature Measurement Enter 11 Enter 12
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