【摘要】 大科学装置中低温设备的氮低温冷量需要日益快速增长,为减少能耗和保障装置的长期稳定运行,基于大科学装置氮低温系统运行需求,介绍了氮低温制冷循环系统在国内外大科学装置中的应用情况,总结了目前大科学装置中应用氮低温制冷循环系统的研究现状,并探讨以氮制冷机为核心的氮低温制冷循环系统在未来大科学装置中发展方向。更多还原

【Abstract】 Nitrogen cryogenic technology has applied in large scientific devices. Cryogenic nitrogen refrigeration system is useful to improve total cryogenic energy efficiency and meet the requirement of cryogenic apparatus and keep a stable running in large scientific device. This paper introduced application status of cryogenic nitrogen refrigeration system in the world. Leading research directions and opinions on future devices development were put forward.更多还原