ADS injector-I 2 K superfluid helium cryogenic system

doi:10.1007/s41365-020-0742-8

Nuclear Science and Techniques ›› 2020, Vol. 31 ›› Issue (4): 39 doi: 10.1007/s41365-020-0742-8

• ACCELERATOR, RAY AND APPLICATIONS • Previous Articles Next Articles

ADS injector-I 2 K superfluid helium cryogenic system

Rui Ge ^1,2,3, Shao-Peng Li^1,2,3 , Rui-Xiong Han ^1,2,3, Miao-Fu Xu^1,2,3, Liang-Rui Sun^1,2,3, Min-Jing Sang^1,2,3, Rui Ye^1,2,3 , Zhuo Zhang^1,2,3, Jie-Hao Zhang^1,2,3,Xiang-Zhen Zhang^1,2,3, Lin Bian^1,2,3, Jian-Qin Zhang^1,2,3, Mei Li ^1,2,3, Chang-Cheng Ma^1,2,3, Zheng-Ze Chang^1,2,3, Tong-Xian Zhao^1,2,3, Yong-Cheng Jiang^1,2,3

¹ Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
² Key Laboratory of Particle Acceleration Physics & Technology, CAS, Beijing 100049, China
³ Center for Superconducting RF and Cryogenics, Institution of High Energy Physics, Beijing 100049, China

Received:2019-12-26 Revised:2020-02-17 Accepted:2020-02-18
Contact: Rui Ge E-mail: gerui@ihep.ac.cn

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Rui Ge, Shao-Peng Li, Rui-Xiong Han, Miao-Fu Xu, Liang-Rui Sun, Min-Jing Sang, Rui Ye, Zhuo Zhang, Jie-Hao Zhang, Xiang-Zhen Zhang, Lin Bian, Jian-Qin Zhang, Mei Li, Chang-Cheng Ma, Zheng-Ze Chang, Tong-Xian Zhao, Yong-Cheng Jiang. ADS injector-I 2 K superfluid helium cryogenic system.Nuclear Science and Techniques, 2020, 31(4): 39 doi: 10.1007/s41365-020-0742-8

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Abstract

Abstract: The Accelerator-Driven Sub-critical System (ADS) is a strategic plan to solve the nuclear waste problem for nuclear power plants in China. High-energy particle accelerators and colliders contain long strings of superconducting devices, superconducting radio frequency (SRF) cavities, and magnets, which may require cooling by 2 K superfluid helium (Helium II). 2 K superfluid helium cryogenic system has become a research hotspot in the field of superconducting accelerators. In this study, the ADS Injector-I 2 K cryogenic system is examined in detail. The cryogenic system scheme design, key equipment, and technology design, such as the 2 K Joule–Thomson (J-T) heat exchanger and cryomodules CM1+CM2 design, are examined, in addition to the commissioning and operation of the cryogenic system. The ADS Injector-I 2 K cryogenic system is the first 100 W superfluid helium system designed and built independently in China. The ADS Proton Beam reached 10 MeV at 10 mA in July 2016 and 10 MeV at 2 mA in continuous mode in January 2017, and has been operated reliably for over 15000 h, proving that the design of ADS InjectorI 2 K cryogenic system, the key equipment, and technology research are reasonable, reliable, and meet the requirements. The research into key technologies provides valuable engineering experience that can be helpful for future projects such as CI-ADS (China Initiative Accelerator-Driven System), SHINE (Shanghai High Repetition Rate XFEL and Extreme Light Facility), PAPS (Platform of Advanced Photon Source Technology), and CEPC (Circular Electron-Positron Collider), thereby developing national expertise in the field of superfluid helium cryogenic systems.

Key words: ADS, Superfluid helium, Cryogenic system, Cryomodule, J-T heat exchanger

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ADS injector-I 2 K superfluid helium cryogenic system

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