Construction of an sCO 2 Joule- Brayton Cycle For High Exergy Heat - PowerPoint PPT Presentation

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Construction of an sCO 2 Joule- Brayton Cycle For High Exergy Heat Source Conversion To Electricity Romain Loeb, Giuseppe Bianchi, Gaël Levêque, Arthur Leroux, Savvas A. Tassou Brunel University London Enogia, Marseille Paphos, 18/10/2018 RCUK Centre for Sustainable Energy Use in Food Chains

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Summary o The I-ThERM project o sCO 2 scope & market o Cycle description o Compressor-Generator-Turbine (CGT) unit Frame components - CAD & assembly CGT - CAD & assembly First test o Conclusion and next steps RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 2

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains I-ThERM Project aims to Investigate, design, build and demonstrate innovative plug and play waste heat recovery solutions to facilitate optimum utilisation of energy in selected applications with high replicability and energy recovery potential in the temperature range 70 ℃ – 1000 ℃ RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 3

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains sCO 2 targeted market Potential high grade energy sources at the selected range Improve actual power generation cycles Industrial waste heat recovery • Iron & steel • Chemical processes • Cement • Glass … Mecheri, M. & Le Moullec, Y. Supercritical CO2 Brayton cycles for coal-fired power plants. Energy 103, 758–771 (2016). RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 4

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Why sCO 2 to power generation? Reachable working conditions High energetic density Great compactness Up to 60 % efficiency High compressibility Depending on the configuration Clean, harmless & cheap fluid Wright, S. a, Radel, R. F. Operation and Analysis of a Supercritical CO2 Brayton Cycle. SANDIA Report SAND2010-0171 (2010). RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 5

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Thermodynamic cycle 3 4 Isentropic CFD efficiency 2 Turbine 70 % Compressor 76 % 1 Cycle efficiency About 25 % RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 6

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains General overview Small scale installation Max 780 °C 20 °C Heat source Cold source 50 kWe Flexible 500 kWth Up to 830 kWth 2.08 kg/s 630 kWth RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 7

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Brunel test rig RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 8

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains CGT Unit P&ID Highly integrated unit Electricity Automation Mechanic Cooling Lubrication RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 9

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains CGT Unit CAD RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 10

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains CGT CAD Fully instrumented Compact Pressure resistant pipings & parts RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 11

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Mechanical CGT Design Rotational guidance Volute Labyrinth seals Permanent magnets Cooler Coils Generator Compressor Turbine Casing maintained via tie rods Cooling Drain  Drain from the generator air gap to remain at a subcritical (gaseous) state RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 12

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Skid assembly process Components installation … & passivation Custom welding… Strong attachement RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 13

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains CGT assembly process Magnet hooped on Several balancing works the shaft Resistant volutes Balancing zone 1 Balancing zone 2 Cooler and coils…. mounted in the casing Wheels RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 14

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains First check up rotational tests Showed good mechanical and electrical sizing RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 15

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Conclusion • Promising efficiency and compactness compared to power generated thanks to high rotational speed wheels & CO 2 properties • Plug&Play philosophy ready for high grade heat sources • Manufacturing difficulties due to the harsh thermodynamic working conditions , but can be lifted with off-the-shelve components Future work o Finish the system assembly and automatization o Installation in the container at the final test bench March February o One year test campaign 2019 2020 RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 16

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Acknowledgments Enogia team BUL team • Prof. Savvas A. Tassou • Mr. Arthur Leroux • Dr. Giuseppe Bianchi • Mr. Romain Loeb • Dr. Samira Sayad Saravi • Mr. Norman Holaind • Mr. Nicolas Goubet • Dr. Konstantinos M. Tsamos • Mr. Gabriel Henry • Dr. Lei Chai • Mr. Matteo Marchionni • Dr. Gael Leveque • Mr. Maxime Leconte This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 680599 RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 17

2 nd International Conference on Sustainable Energy and Resource Use in Food Chains Thanks for you attention Romain LOEB Project Manager romain.loeb@enogia.com +33 6 88 25 87 99 19 avenue Paul Héroult 13015 Marseille Enogia RCUK Centre for Sustainable Energy Use in Food Chains Brunel University London Enogia, Marseille 18