World's first high-temperature gas-cooled reactor main helium fan prototype successfully developed

August 4, national science and technology major projects HTR nuclear power plant in the heart of the equipment - the main engineering prototype helium fan blower factory in Shanghai Electric Group for review and evaluation by industry experts, which is China's independent innovation at the core of advanced nuclear technology and equipment Major breakthroughs.

Liu Baohua, Director of the Nuclear Power Division of the National Energy Administration, said that this achievement is of great significance for the construction of an independent innovative high-temperature gas-cooled reactor demonstration power station in China. This high-temperature gas-cooled reactor main helium fan is the world leader in both power and technical level, and is the main technical difficulty in the research and development of advanced nuclear gas-fired reactor advanced nuclear power technology.

The responsibility of the engineering prototype Institute of Nuclear and New Energy Technology Research Institute to provide overall technical and electromagnetic bearings, also responsible for the overall debugging and testing, in charge of Jiamusi Electric Motor, Shanghai Electric Blower Works is responsible for the impeller and the whole assembly and test platforms, nuclear energy The company is responsible for project management and warranty. Its successful development is a major achievement in the collaborative innovation of advanced nuclear energy technologies.

INET president of Tsinghua University Zhangzuo Yi introduction, the development of the main wind turbine prototype helium solve a number of major technical issues, such as the main helium Fan with the overall design, the development of large helium drop-in vertical high-speed motor, electromagnetic levitation bearings Supported rotor dynamics analysis, development of high-performance impellers, development of high-current, high-voltage differential, high-voltage first-loop boundary electrical penetrations, and development of fan ball valves.

Main sirens using electromagnetic suspension bearings utilize the latest modern scientific and technological achievements. The rotor weight of the fan is about 4 tons. The whole rotor is supported by electromagnetic suspension bearings, which realizes non-contact and non-wearing operation and does not require a lubricating oil system. This is the first time in the world that electromagnetic bearing technology has been used in reactor equipment. (Special correspondent Qi Weiwei and Qi Qingfeng correspondent Li Yan)

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