压气蓄能电站的地下工程问题及应用前景

UNDERGROUND ENGINEERING PROBLEMS IN COMPRESSED AIR ENERGY STORAGE AND ITS DEVELOPING FUTURE

简要介绍了压气蓄能电站的发展概况、基本类型以及主要工作原理;分析了这种蓄能电站规划与设计中的岩石力学问题及其与地下洞室工程的关系;讨论了压气蓄能电站的特点;初步探讨了压气蓄能电站在我国应用发展的可能性。

As a new type of energy storage,the compressed air energy storage (CAES) have been developed quickly in recent years.The CAES allows storage of energy produced during off-peak periods for use during peak generation periods.Air is compressed and stored in high pressure,and then used in the combustion process of a hot gas expander.In this paper,the history,classification and operation cycles of the CAES are introduced.Some points about the layout and design of the CAES,as well as the relationship between this kind of energy storage and the underground engineering,are analyzed.The advantages of the CAES compared with other kinds of energy storages and its developing future in China are also discussed.