摘要
随着我国航天工程、新能源技术的发展,氢能已经纳入我国能源战略,成为优化能源消费结构和保障国家能源供应安全的战略选择。液氢的制取是氢能利用的重要环节,也是氢能利用的经济性和可行性保障。简要介绍了氢液化的发展历史,重点介绍了大型氢液化(LHL)的方法、循环及装置。在比较不同时期氢液化方法和氢液化装置特点的基础上,提出了未来大型氢液化装置的发展方向,包括提高压缩机、膨胀机和换热器等主要系统组件的效率,采用混合制冷剂自复叠预冷的高效液化循环以及两相膨胀机代替节流阀的新技术等。
With the development of China's aerospace engineering and new energy technologies,hydrogen energy has been incorporated into China's energy strategy,becoming a strategic choice for optimizing energy consumption structure and ensuring national energy supply security.The liquefaction of hydrogen is an important part of the utilization of hydrogen energy,and it is also the guarantee of the economic and feasibility of hydrogen energy utilization.It briefly reviews the history of hydrogen liquefaction and highlights the methods,cycles,and devices for large-scale hydrogen liquefaction(LHL).On the basis of comparing the characteristics of hydrogen liquefaction methods and hydrogen liquefaction plant in different periods,the development direction of large-scale hydrogen liquefaction plant in the future is further proposed,including improving the efficiency of main system components such as compressors,expanders and heat exchangers,high-efficiency liquefaction cycle with self-cascading pre-cooling by mixed refrigerant,and new technology for replacing the throttle valve with a two-phase expander.
作者
陈双涛
周楷淼
赖天伟
李山峰
张震
陈良
侯予
CHEN Shuangtao;ZHOU Kaimiao;LAI Tianwei;LI Shanfeng;ZHANG Zhen;CHEN Liang;HOU Yu(School of Energy and Power Engineering,Xi’an Jiaotong University,Xi’an 710049,China;Beijing Institute of Aerospace Test Technology,Beijing 100074,China)
出处
《真空与低温》
2020年第3期173-178,共6页
Vacuum and Cryogenics
基金
国家自然科学基金(51776148、51776150)
陕西省重点研发计划(2018ZDXM-GY-07)。
关键词
氢能
氢液化
液化循环
液化装置
hydrogen energy
hydrogen liquefaction
liquefaction cycle
liquefaction plant
