Team 16: The Nuclear Family EN-FISSIONING A SUSTAINABLE FUTURE
Outline 2 Systems Designs Power Cycle Economics Conclusion Questions https://inlportal.inl.gov/portal/server.pt?open=514&objid=1269&mode=2&f eaturestory=da_553053
PROJECT OVERVIEW 3
Team Members 4 Thane Symens Mechanical Joel Smith Mechanical Meredy Brichford Chemical Christina Headley Chemical
Objective 5 Design Nuclear fission reactor Thorium fuel cycle Economic Analysis Customers: Electric power companies Problems to address 1. Environmental implications 2. Cost 3. Human health and safety 4. Efficiency 5. Availability
Design Approach 6 http://www.nrc.gov
REACTOR DESIGN 7
Nuclear Fission 8 http://www.atomicarchive.com
Nuclear s 9 http://www.met.reading.ac.uk
Thorium Cycle 10 Fission Th-232 Neutron Capture U-233 Th-233 β-decay Pa-233 β-decay http://www.energyfromthorium.com
Nuclear 11 s Control rods Coolant Containment http://www.bbc.co.uk
Type Selection 12 Molten Salt Breeder (MSBR) Fluid fuel Molten salt coolant Salt plug Oak Ridge National Laboratory (ORNL) test reactor http://www.ornl.gov
Design 13 Materials Core Control Rods Circulation Pump Safety systems Salt circulation pump Heat Exchanger Reflector Moderator Elements Fission Reactions Reflector Heat Exchanger Salt Plug
14 FUEL REPROCESSING DESIGN
15 Objective Remove feed poisons and fission products from fuel Why Reprocess? Maintain reactor performance Decrease stock pile of fuel Continuous operation
Fluorination 16 Main Components Uranium Thorium Waste Products Fluorinator Chemistry 2UF 4 + F 2 2UF 5 2UF 5 + F 2 2UF 6
Fluorination 17 Main Components Uranium Thorium Waste Products Fluorinator Chemistry 2UF 4 + F 2 2UF 5 2UF 5 + F 2 2UF 6
Fluorination 18 Main Components Uranium Thorium Waste Products Fluorinator Chemistry 2UF 4 + F 2 2UF 5 2UF 5 + F 2 2UF 6
Extraction 19 Main Components Uranium Thorium Waste Products Bismuth Extractor Chemistry UF4(salt)+4Li(Bi) 4 LiF(salt) + U(Bi) PaF4(salt)+4Li(Bi) 4 LiF(salt) +Pa(Bi)
Extraction 20 Main Components Uranium Thorium Waste Products Bismuth Extractor Chemistry UF4(salt)+4Li(Bi) 4 LiF(salt) + U(Bi) PaF4(salt)+4Li(Bi) 4 LiF(salt) +Pa(Bi)
Waste Product Removal 21 Main Components Thorium Waste Products Bismuth Back to Waste Products Rare earths Alkaline earths Alkali metals
Waste Product Removal 22 Main Components Thorium Waste Products Bismuth Back to Waste Products Rare earths Alkaline earths Alkali metals
Conclusion 23 Remove Uranium Waste Products Add to salt Uranium Return salt to reactor
POWER CYCLE DESIGN 24
Thermal System 25 https://energy.sdsu.edu/testhome/test/intro/exopengascyclep.html
Turbine 26 http://www.alstom.com/products-services/product-catalogue/power-generation/gaspower/gas-turbines/gt24-gt26-gas-turbines/ http://en.wikipedia.org/wiki/wind_turbine
Compressor 27 http://www.hansenwholesale.com/ceilingfans/ minkaaire/model.asp?prodno=f300-bn http://www.zetec.com/2010/06/blade-scanner/ http://www.huffingtonpost.com/2013/06/13/lung-transplantcystic-fibrosis_n_3437991.html
Heat Exchanger 28 http://www.explainthatstuff.com/how-heat-exchangers-work.html
Thermal System Design 29 Supercritical CO 2 Recompression Cycle Alternatives Steam Helium Efficiency Materials issues
Flownex Optimization 30 Pressure changes Pipe losses Component sizing Startup and shutdown simulation
Optimized System 31 Parameter Value Power Production 200 MWe Thermal Efficiency 44%
ECONOMIC ANALYSIS 32
33 Origins Characteristics of design High capital cost Low fuel cost Long lifetime
Economic Analysis 34 System Capital Costs Operation & Maintenance Costs Overall Annual Cost Thermal Loop $100 million $40 million $140 million Loop $33 million $60 million $93 million Total Annual Cost Cost of Electricity $2 million $1 million $3 million $236 million 15.8 /kw-hr
CONCLUSION 35
Lessons Learned 36 Teammate communication Escalation of project complexity Importance of accepting help Necessity of experimental data http://www.fujielectric.com
Acknowledgements 37 Prof. VanAntwerp, Calvin Faculty Advisor Sigval Berg, Industrial Consultant Stephen Theron, Flownex Bob DeKraker, Calvin College John Kutsch, Thorium Energy Alliance Prof. Heun, Calvin College Profs. Skutnik and Chvala, University of Tennessee
38 QUESTIONS http://www.theenergycollective.com