Research on Reverse-Heating for Test of Heat Exchanger of Spent Fuel Pool in EPR Units
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摘要: 欧洲先进压水堆(EPR)热交换器的逆向加热调试方案为:使用设备冷却水系统(RRI)逆向加热堆和乏燃料水池冷却和净化处理系统(PTR)热交换器。调试过程中:反应堆冷却剂系统(RCP)主泵热量通过余热排出系统(RHR)—设备冷却水系统(RRI)—PTR链路逆向加热乏燃料水池(SFP)。通过仿真软件对EPR的SFP热交换器进行建模,分析热交换器的热力性能,转换试验准则,达到在试验工况即可验证系统设计中严重事故工况下的热交换器性能,并最终通过调试试验对技术方案的可行性进行了验证。
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关键词:
- 乏燃料水池(SFP) /
- 热交换器 /
- 逆向加热 /
- 仿真
Abstract: Based on the research on the test of heat exchanger in the spent fuel pool（SFP） of European Pressurized Reactor（EPR）, this paper provides a method to test the exchanger through reverse-heating of PTR exchanger from RCP via the trains of RCP→RHR→RRI→PTR systems to heat up the spent fuel pool. Moreover, by the means of modeling the heat exchanger of SFP, the required test condition is able to be transposed from extreme accident to a relatively achievable test condition.-
Key words:
- SFP /
- Heat exchanger /
- Reverse-heating /
- Simulation
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