氦液化系统研究进展OACSTPCD

Liquid helium,as an important refrigerant,finds extensive use in various sectors,including superconducting technology,aerospace technology,and cryoelectronics.The success of helium liquefaction lies in the breakthrough of cryogenic technology.Currently,helium liquefaction technology has progressed from the laboratory experimental stage to the industrial application,becoming prevalent in various sectors.This paper expounds the principles and processes of helium liquefaction technology,covering aspects like helium liquefaction technology,system components and process.It also analyzes the development status of helium liquefaction systems both at home and abroad.With years of dedicated effort,China has achieved significant advancements in helium liquefaction technology.Looking ahead,the technological evolution of helium liquefaction systems will prioritize the domestic production of megawatt-class helium liquefiers and the research and development of high-capacity refrigerators for mK-class helium liquefiers.Such technological breakthroughs will be instrumental in fulfilling the demand for higher helium liquefaction efficiency,promoting development in cutting-edge scientific fields such as quantum computing,and securing a competitive edge for China in the global arena of cryogenic engineering.