Optimum Reactor Outlet Temperatures for High Temperature Gas-Cooled Reactors Integrated with Industrial Processes

Lee O. Nelson

关键词: AMMONIA;    COAL;    COOLANTS;    EFFICIENCY;    ELECTRICITY;    ELECTROLYSIS;    GAS COOLED REACTORS;    HELIUM;    HYDROGEN;    METHANE;    NATURAL GAS;    POWER GENERATION;    PRODUCTION;    SENSITIVITY;    STEAM;    THERMODYNAMIC CYCLES Next Generation Nuclear Plant Project;    NGNP;   

DOI  :  10.2172/1017884
RP-ID  :  INL/EXT-11-21537
PID  :  OSTI ID: 1017884
Others  :  TRN: US1103358

学科分类：工程和技术（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

This report summarizes the results of a temperature sensitivity study conducted to identify the optimum reactor operating temperatures for producing the heat and hydrogen required for industrial processes associated with the proposed new high temperature gas-cooled reactor. This study assumed that primary steam outputs of the reactor were delivered at 17 MPa and 540?��C and the helium coolant was delivered at 7 MPa at 625???925?��C. The secondary outputs of were electricity and hydrogen. For the power generation analysis, it was assumed that the power cycle efficiency was 66% of the maximum theoretical efficiency of the Carnot thermodynamic cycle. Hydrogen was generated via the hightemperature steam electrolysis or the steam methane reforming process. The study indicates that optimum or a range of reactor outlet temperatures could be identified to further refine the process evaluations that were developed for high temperature gas-cooled reactor-integrated production of synthetic transportation fuels, ammonia, and ammonia derivatives, oil from unconventional sources, and substitute natural gas from coal.