Instrument companies jointly complete nuclear power projects such as main feedwater regulating valves

[China Instrument Network Instrument R&D] From January 7th to 8th, 2017, the centralized scientific and technological achievements appraisal conference led by the Shanghai Nuclear Engineering Research and Design Institute was held in Changzhou and Shanghai respectively. “Y and β rays are typical nonmetals in nuclear power plants. Four scientific and technological achievements, such as the influence of material properties, have passed the appraisal of China Machinery Industry Federation.

The appraisal committees come from the Nuclear and Radiation Safety Center, National Power Investment Corporation, China National Nuclear Corporation, China General Nuclear Power Group, Shanghai Jiaotong University, China Zhongyuan Foreign Engineering Co., Ltd., Sanmen Nuclear Power Co., Ltd, and China Power Investment Engineering Co., Ltd. Well-known experts. Yiqi Ye, academician of the Chinese Academy of Engineering, served as the director of the appraisal committee. Ye Darong, deputy director of the original major office of the China Machinery Industry Federation, Zhang Yu, director of the China Nuclear Power Development Center of the National Energy Administration, and Gu Guoxing, vice president of the Shanghai Nuclear Engineering Research and Design Institute attended the meeting.

Main feedwater regulator

The four scientific and technological achievements passed this acceptance: "The influence of γ and β rays on the performance of typical non-metallic materials in nuclear power plants", "CAP series electrical penetration parts", "main feedwater regulating valve" and "regulator spray valve" The Shanghai Nuclear Engineering Research and Design Institute jointly cooperated with Shanghai Industrial Automation Instrument Research Institute, Jiangsu Huaguang Cable Electric Co., Ltd., and Shanghai Automation Instrument Co., Ltd. Automated Instrument Seven Factory.

Among them, “The effect of γ and β-rays on the performance of typical non-metal materials in nuclear power plants” established a mathematical model and conversion method for the change in cumulative mechanical properties of typical non-metallic materials in nuclear power plants with γ and β-ray irradiation. Gamma and β radiation The study of damage equivalent conversion has reached the international advanced level. "CAP series electrical penetration parts" independently developed a large-section conductor of polyether ether ketone continuous extrusion, sealing module one-step molding process and penetration of fiber optic components to reach the international advanced level. The development of the "main feedwater control valve" and "regulator spray valve" has completely relied on imports to realize the autonomy of equipment, fill the domestic gap, and have reached the international advanced level.

The four scientific and technological achievements identified this time came from major special projects, improved the design, analysis, and verification capabilities of the nuclear power industry, improved the localization and industrialization level of nuclear power generation islands in China, and supported the safety and reliability of the CAP1400 nuclear power technology. Sex has laid a solid foundation for the construction of the demonstration project and the “going out” of the CAP1400.

(Original title: Major scientific and technological achievements passed the appraisal)

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