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One successful test of the world's largest nuclear power expansion joint
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- Time of issue:2020-06-01 15:13
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(Summary description)Led by China National Nuclear Corporation (CNNC), Dalian Yizhong Group and Nanjing Debang collaborated for the first time to develop, design, and manufacture the China Demonstration Fast Reactor project, which is currently the world's largest nuclear power expansion joint (diameter: 15000mm) and has successfully undergone a fatigue test.
One successful test of the world's largest nuclear power expansion joint
(Summary description)Led by China National Nuclear Corporation (CNNC), Dalian Yizhong Group and Nanjing Debang collaborated for the first time to develop, design, and manufacture the China Demonstration Fast Reactor project, which is currently the world's largest nuclear power expansion joint (diameter: 15000mm) and has successfully undergone a fatigue test.
- Categories:Group news
- Author:
- Origin:
- Time of issue:2020-06-01 15:13
- Views:
Led by China National Nuclear Corporation (CNNC), Dalian Yizhong Group and Nanjing Debang collaborated for the first time to develop, design, and manufacture the China Demonstration Fast Reactor project, which is currently the world's largest nuclear power expansion joint (diameter: 15000mm) and has successfully undergone a fatigue test.

The construction of the demonstration fast reactor project is a key link in China's nuclear energy strategy, which is related to national defense and security. It is also a landmark project for the development of China's nuclear industry in the new era and new situation; The demonstration fast reactor project is of great significance for achieving closed cycle nuclear fuel, promoting sustainable development of nuclear energy in China, and promoting local economic construction. China's nuclear energy development strategy takes three steps - thermal neutron reactors, fast neutron breeder reactors, and controlled fusion reactors. At present, China has formed a complete nuclear fuel cycle system that is unique to a few countries in the world, and has established a matched development of pressurized water reactors and fast reactors. This time, Nanjing Debang participated in the research and development, design, and manufacturing of a large-diameter corrugated tube expansion joint installed on the upper part of the protective container to maintain the sealing of the protective chamber between the main container and the protective container, while compensating for the thermal expansion difference between the two containers under reactor operating conditions; In the face of the large diameter, difficult manufacturing, and high precision requirements of the corrugated pipe, the company actively organized elite forces to overcome design and manufacturing difficulties, strictly controlled process quality, and coordinated the efforts of various departments to accelerate project progress.

通过此项目锻炼了一批设计、技术、检验、制造人员,再次奠定南京德邦在民用核电膨胀节领域的设计、制造实力,国家核电技术贡献德邦人自己的一份微薄力量。
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■ NANJING SANBANG NEW MATERIAL TECHNOLOGY CO., LTD.
■ Jiangsu Debang Engineering Co., Ltd.
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