| Paper | Title | Page |
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TUPYP046 |
Design and Test of Valve Box for HFRS Cryogenic Distribution System | |
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| High Intensity heavy ion Accelerator Facility (HIAF) is a major scientific research facility proposed by the Institute of Modern Physics, Chinese Academy of Sciences. Among them, HIAF Fragmentation Separator (HFRS) is an important radioactive beamline on this device. In order to cooperate with the superconducting magnet to operate stably in the 4.5K environment, there are 24 cryostats on the entire beamline, and each cryostat is equipped with a distribution valve box, which is installed in the cryogenic composite pipeline and the superconductor. It is used to modulate and deliver cryogenic fluid into the cryostat to cool the superconducting magnets. In addition¿there are one main valve box and two end valve boxes in cryogenic distribution system. The finite element analysis software ANSYS is used to simulate the deformation and stress distribution of the valve box in a vacuum environment. Using the bending structure to compensate for cold deformation, omitting the bellows, reducing the difficulty of the process, and improving reliability. A new type of support structure has been designed to reduce heat leakage. At the same time, the temperature distribution is simulated | ||
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