Liquid helium distribution system design for 10 MeV accelerator of C-ADS injectorⅡ
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摘要: ADS注入器Ⅱ超导加速段的运行需要在4.2 K（液氦）超低温环境下进行,针对注入器Ⅱ10 MeV加速器低温恒温器的运行要求设计了一套液氦分配系统,该系统在满足加速器的低温恒温器工作的同时还具备给超导腔水平测试、垂直测试、磁铁测试等试验终端供液以及调节流量的功能。系统已应用于5 MeV加速器液氦的分配与调节以及超导腔垂直测试系统中,运行良好。重点介绍了液氦分配系统的工艺流程、阀箱的结构设计及调试运行情况。
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关键词:
- 加速器驱动次临界系统 /
- 注入器Ⅱ /
- 液氦 /
- 阀箱 /
- 结构设计
Abstract: The 10 MeV accelerator of C-ADS injectorⅡmust be run under the liquid helium temperature, hence a helium distribution system has been designed according to the requirement of 10 MeV accelerator operating conditions. The system also has the function ofregulating helium flow and providing liquid helium for vertical and horizontal testing of superconducting cavity and magnet test. The system has been applied to distribution and regulation of liquid helium for cryomodule of 5 MeV accelerator, as well as test of superconducting cavity, and it ran steadily. The paper focuses on the design of liquid helium distribution system, valve box structural design and debugging.-
Key words:
- accelerator driven sub-critical system /
- injectorⅡ /
- liquid helium /
- valve box /
- structural design
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