Oxy-hybrid Power Cycle with Advanced Heat Recovery Network

Lead Research Organisation: Cranfield University
Department Name: Sch of Energy, Environment and Agrifood

Abstract

The invention inolves an advanced heat exchange network to enable a new oxy-hybrid power cycle that intrinsically produces a pure stream of carbon dioxide ready for use or compression and transport for storage. In order to meet the UK's 80% CO2 emission reduction target by 2050, and recognising the UK's continuing reliance on gas fired power generation, a substantial technology evolution is required over conventional technologies. This project will exploit advanced heat transfer technology and heat integration in the form of an unfired supercritical boiler providing all the steam required for a new oxyhybrid turbine cycle for electricity generation. This technology is capable of eliminating the energy and capital cost penalties associated with the introduction of CCS. The plant can be adapted with further features that will improve its power output and efficiency over a wide range of loads.

Planned Impact

Our project partners, AOPC Ltd., have developed a new form of oxy-cycle, which is provisionally called the Advanced Oxy Power Cycle (AOPC), which has a very high thermal efficiency, and is more economic than the existing combined cycle plant even after allowing for the price of oxygen. Since developing the cycle AOPC Ltd. has identified a series of even more efficient forms, i.e. resulting in the discovery of a new order of power cycles. Manufacture of the new cycle is well within the capability of existing plant manufacturers without a prolonged development of program and the technology could be implemented within the next 20 years or less at a full commercial-scale. The technology has the possibility of revolutionizing the co-generation industry which is a multi-billion pound industry annually, and offering improvements in terms of a per cent or more even if CO2 capture is not practised. If it is combined with CO2 capture it can offer improvements in efficiency of over 6 or 7% beyond that provided by current systems. Such efficiency gains are worth millions of pounds of increased revenues in terms of electricity sales for utility and industrial scale plant.

Publications

10 25 50
 
Description The confidential nature of this research means that the detailed findings cannot be shared. However, the findings are in the area of the development of a high efficiency gas-fired power plant cycle using novel turbomachinery with integrated gas recycle.
Exploitation Route This project is complete. The information generated to date is being used in further proposals to expand the scope of research to reduce the risk of demonstrating the technology. In addition, several PhD studentship have arisen in this research area to further develop understanding and to expand research capabilities in the area of advanced cycles using supercritical CO2 as a working fluid.
Sectors Energy

 
Description Research finding to date have been used within this project in the development of an advanced oxy-fired cycle which is being patented by the industrial SME partner. Results from the project are commercially confidential and are subject to confidentiallity agreements between the partners. In addition, the models and understanding from the research are now being used in follow-on PhD studies into the operating conditions in oxy-fired cycles with supercritical CO2 recycling.
First Year Of Impact 2017
Sector Energy
Impact Types Societal

 
Description Industry
Amount £135,000 (GBP)
Organisation Intelligent Power Generation Ltd 
Start 12/2017 
End 03/2019
 
Description Research collaboration on advanced supercritical CO2 cycles 
Organisation Polytechnic University of Milan
Country Italy 
Sector Academic/University 
PI Contribution Exchange of modelling data and workshops to establish joint modelling programme.
Collaborator Contribution Access to in-house turbine models.
Impact Outcomes to date include improved turbine models and agreed boundary conditions.
Start Year 2017
 
Description US-UK Collaboration on Energy Materials 
Organisation Argonne National Laboratory
Country United States 
Sector Academic/University 
PI Contribution Sharing of research data, development of predictive models, access to research facilities, hosting workshops and contributions to joint reports and publications.
Collaborator Contribution Access to USDOE funded research activities, sharing of testing data, access to in-house models and hosting workshops.
Impact Joint publications, focused workshops (e.g. IEAGHG Workshop on Corrosion in Oxy-combustion Systems, London, June 2014)
 
Description US-UK Collaboration on Energy Materials 
Organisation National Energy Technology Laboratory
Country United States 
Sector Public 
PI Contribution Sharing of research data, development of predictive models, access to research facilities, hosting workshops and contributions to joint reports and publications.
Collaborator Contribution Access to USDOE funded research activities, sharing of testing data, access to in-house models and hosting workshops.
Impact Joint publications, focused workshops (e.g. IEAGHG Workshop on Corrosion in Oxy-combustion Systems, London, June 2014)
 
Description US-UK Collaboration on Energy Materials 
Organisation Oak Ridge National Laboratory
Country United States 
Sector Public 
PI Contribution Sharing of research data, development of predictive models, access to research facilities, hosting workshops and contributions to joint reports and publications.
Collaborator Contribution Access to USDOE funded research activities, sharing of testing data, access to in-house models and hosting workshops.
Impact Joint publications, focused workshops (e.g. IEAGHG Workshop on Corrosion in Oxy-combustion Systems, London, June 2014)
 
Description Energy Materials Industrial Research Initiative 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Industry/Business
Results and Impact EMIRI was formed to promote and coordinate initiatives in energy materials research across Europe, to develop strategically important activities and identify key research priorities. As a result, the European Commission is working closely with EMIRI in the energy materials area for the Horizon 2020 Programme from 2017 onwards.
Year(s) Of Engagement Activity 2012
 
Description European Turbine Network 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact The network is a focus for research on turbines used in power and other industrial applications. The ETN Project Board prepare an R&D Recommendation Report on an annual basis to focus ETN and industry research initiatives. Impacts arise though the development of collaborative R&D projects and studies carried out by ETN.
Year(s) Of Engagement Activity 2012,2013,2014,2016
 
Description US-UK Collaboration on Advanced Materials for Low Emission Power Systems - Annual Workshop 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact On-going collaboration between UK and US research organisations, industries and academic institutions aimed at enhancing the value of Us and UK research through shared knowledge and exchange of data.
Year(s) Of Engagement Activity Pre-2006,2006,2007,2008,