Domestic Nuclear Power Breakthrough: Validation of Autonomous Nuclear Fuel Component Stacking
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The 4 sets of STEP-12 nuclear fuel assemblies and 4 sets of CZ zirconium alloy sample tube assemblies independently developed by China General Nuclear Power Co., Ltd. (referred to as CGN Power) were installed on the 14th at Lingao Nuclear Power Station Phase 2 Unit 1 and proceeded with the reactor. Irradiation test.
China Guangdong Nuclear Power Co., Ltd. said that the self-developed nuclear fuel assembly in-residence verification indicates that CGNPC has fully mastered the research, design, manufacture, and testing technologies of nuclear fuel assemblies and is a major technological breakthrough in the field of nuclear power independence in China.
After the nuclear fuel assembly and the sample tube assembly complete the irradiation test, a comprehensive physical examination will be carried out, including the inspection of the components' appearance, the thickness of the oxide film of the shell, and other parameters, and the in-depth knowledge of the irradiation performance of the components will be obtained and an optimization design will be carried out.
STEP-12 nuclear fuel assemblies and CZ zirconium alloys can be used not only for the second-generation modified "CPR1000" nuclear power unit in service in China, but also for the three-generation flagship reactor Hualong No. 1 independently developed by China.
The relevant person of CGNPC explained that if the main pump of a nuclear power plant is the heart of a nuclear power plant, nuclear fuel components are the soul and energy source of the nuclear power plant.
Although nuclear fuel assemblies are tall and thin, they are worth a lot of money and are truly "high," "rich," and "handsome." The successful test of the STEP-12 nuclear fuel assembly and CZ sample tube assembly irradiation test means that it is only one step away from entering the commercial gate, which will improve the economic performance of China’s nuclear power plants in the future and support China’s nuclear power “going outâ€. Great significance.
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