China successfully developed large advanced commercial PWR fuel assembly
China National Nuclear Corporation issued a message on the 21st that the CF3 fuel assembly independently developed by China ended the long-cycle irradiation test at Unit 2 of Qinshan Nuclear Power Plant No. 2 and successfully exited the reactor and completed the poolside inspection. The inspection results showed that the performance of the CF3 fuel assembly reached international similar Advanced product level. This indicates that China has completely independent intellectual property rights, and CF3 fuel assemblies suitable for large-scale commercial pressurized water reactor nuclear power plants have industrial application conditions, laying a solid foundation for China's independent third-generation nuclear power construction and large-scale domestic nuclear power application. China's "going out" of nuclear fuel and the guarantee of energy supply security have important strategic significance.
With the support of the National Defense Science and Industry Bureau and other relevant ministries and commissions, and relying on China Nuclear Power Group's first batch of key scientific and technological special projects "Pressure Water Reactor Fuel Element Design and Manufacturing Technology", the China Nuclear Power Research and Design Institute took the lead in developing CF3 fuel components, with "Hualong No. 1" third-generation nuclear power The standard is traction, and focus on research and development of large-scale advanced pressurized water reactor fuel assemblies with high reliability, high safety, and high economy, from material research and development and supply, design technology and means, test platform and capability, manufacturing equipment and technology, etc. Formed a core technology system for China's independent nuclear fuel research and development.
It is understood that CF3 fuel components are developed in strict accordance with the nuclear fuel R & D process and strict nuclear safety quality control procedures. They have experienced advanced zirconium alloy material development, key component innovation design, fuel component design, full set of off-stack test verification, and characterized component irradiation In the test, the 4 sets of CF3 fuel assemblies developed were loaded into Unit 2 of Qinshan Nuclear Power Plant No. 2 in July 2014 in strict accordance with the regulatory requirements of the National Nuclear Safety Administration for irradiation test, and a detailed and comprehensive poolside inspection was carried out at each cycle . (Reporter Chen Yu)
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