压缩空气硬岩储库关键问题研究进展:气密性能、热力过程与稳定性  

Compressed air energy storage in hard rock caverns:airtight performance,thermomechanical behavior and stability

作　　者：张国华 王薪锦 相月 潘佳 熊峰 华东杰 唐志成 ZHANG Guohua;WANG Xinjin;XIANG Yue;PAN Jia;XIONG Feng;HUA Dongjie;TANG Zhicheng(Faculty of Engineering,China University of Geosciences,Wuhan,Hubei 430074,China;Key Laboratory of Geological Survey and Evaluation of Ministry of Education,China University of Geosciences,Wuhan,Hubei 430074,China)

机构地区：[1]中国地质大学(武汉)工程学院,湖北武汉430074 [2]中国地质大学(武汉)地质探测与评估教育部重点实验室,湖北武汉430074

出　　处：《岩石力学与工程学报》2024年第11期2601-2626,共26页Chinese Journal of Rock Mechanics and Engineering

基　　金：国家自然科学基金面上项目(42177165,42277173);地质探测与评估教育部重点实验室主任基金项目(GLAB2023ZR03)。

摘　　要：压缩空气储能是目前有望实现商业化运营的大规模储能技术之一,其中新建硬岩硐室作为地下储库因适用范围广而备受关注。较之于传统的岩石地下工程,压缩空气储能硬岩储库在运营过程中因受周期性的压力和温度变化等面临诸多新挑战。近年来,国内外学者在储库建设和运营方面取得较多的成果,系统回顾研究进展有助于学者和工程师全面了解这一新兴的储能技术,进而推动行业发展。首先,阐述压缩空气储能的基本工作原理与面临的科学问题;其次,总结归纳储库建设与运营相关的研究进展,主要内容包括密封结构气密性能、压缩空气热力过程和工程结构变形稳定3个方面;最后,结合近年来参与压缩空气储能硬岩储库建设相关的经验对这一领域亟需深入研究的几个关键问题进行了阐述。Compressed air energy storage(CAES)is a kind of large-scale energy storage technology that is expected to be commercialized.As an underground gas storage engineering structure,the newly-excavated hard rock cavern has attracted much attentions due to its wide adaptability and practicability.Compared with traditional underground engineering,underground rock caverns for compressed air storage face many new challenges due to the periodic high internal pressure and temperature during the course of operation.Recently,great advances about the construction and operation of compressed air energy storage in hard rock caverns have been made by researchers around the world.It is thus imperative to systematically review the progress in this direction,which can help engineers to better understand the development of such emerging energy storage technology in practice.Firstly,the basic principles and scientific problems of compressed air energy storage are described.Secondly,the research progress related to construction and operation is summarized,including airtight performance of sealing structure,thermal transition process of surrounding rock-lining-sealing layer-air during the process of inflation and deflation,uplift failure of the rock mass,and plug stability.Besides,several key scientific and technological issues which need to be further studied are discussed.

关 键 词：岩石力学 压缩空气储能 气密性能 热力过程 稳定性 

分 类 号：TU45[建筑科学—岩土工程]