基于㶲分析的储罐式压缩空气储能系统的成本优化

doi:10.3901/JME.2022.12.261

机械工程学报 ›› 2022, Vol. 58 ›› Issue (12): 261-269.doi: 10.3901/JME.2022.12.261

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基于㶲分析的储罐式压缩空气储能系统的成本优化

胡昱^1,2, SEAMUS D Garvey³, 许未晴^1,2, 蔡茂林^1,2, 石岩^1,2

1. 北京航空航天大学自动化科学与电气工程学院北京 100191;
2. 气动热力储能与供能北京市重点实验室北京 100191;
3. 诺丁汉大学机械、材料和制造工程系工程学院诺丁汉 NG7 2RD 英国

收稿日期:2021-10-15 修回日期:2022-03-01 出版日期:2022-06-20 发布日期:2022-09-14
通讯作者: 许未晴(通信作者),男,1984年出生,博士,副研究员,硕士研究生导师。主要研究方向为新能源、工程热物理、机械传动。E-mail:weiqing.xu@buaa.edu.cn
作者简介:胡昱,男,1992年出生,博士研究生。主要研究方向为气动系统、能源储存。E-mail:hyfor18@buaa.edu.cn
基金资助:
国家自然科学基金资助项目（51875012，51605013）

Cost Optimization of Tank-type Compressed Air Energy Storage Systems Based on Exergy Analysis

HU Yu^1,2, SEAMUS D Garvey³, XU Weiqing^1,2, CAI Maolin^1,2, SHI Yan^1,2

1. School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191;
2. Beijing Key Laboratory of Pneumatic Thermal Energy Storage and Energy Supply, Beijing 100191;
3. Department of Mechanical, Materials and Manufacturing Engineering Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD United Kingdom

Received:2021-10-15 Revised:2022-03-01 Online:2022-06-20 Published:2022-09-14

摘要/Abstract

摘要： 压缩空气储能(Compressed air energy storage,CAES)系统的成本问题备受关注，几乎所有CAES系统的研究都以高压空气和热能的形式来储存能量。对于CAES系统，利用地下岩洞或深水水域等天然环境形成的容器，系统的储存成本较低，但也因此对地理环境具有较高要求；而对于更具普适性的储罐式CAES系统，则受限于高压储气罐成本，经济性有待加强。基于㶲储存成本的分析对储罐式CAES系统成本的优化方法进行研究。提出两种降低储罐式CAES系统成本的策略，一是尽可能多的以热能形式储存㶲；二是将高压空气冷却后储存在低温气罐中。结果表明，与传统的CAES系统相比，采用高温压缩、低温储存的方式，CAES系统储能成本可以降低52%。考虑真实气体效应的影响，最优的储存压力约为21 MPa。

关键词: 压缩空气储能, 㶲, 成本分析, 真实气体效应, 低温储存

Abstract: Cost of compressed air energy storage (CAES) systems attracts much attention. Almost all CAES systems have been studied to store energy in the form of high-pressure air and heat. For CAES systems, the storage cost of the system is inexpensive for the containers formed by natural environment such as underground caves or deep underwater containment, but this has higher requirements on the geographical environment. As for the more universal tank-type CAES systems, limited by the expensive cost of high-pressure gas storage tank, and their economy needs to be improved. Based on exergy cost analysis, considers the optimization method of tank CAES system cost. And proposes two strategies to reduce the cost of tank-type CAES system. Storing more exergy in the form of thermal energy. Cool the high-pressure air and store it in a cryogenic tank. The results reveal that compared with the traditional CAES system, the energy storage cost of CAES system can be reduced by 52% by adopting high temperature compression and low temperature storage. Considers the real gas effects, the optimal storage pressure is about 21 MPa.

Key words: compressed air energy storage, exergy, cost analysis, real gas effect, low temperature storage

中图分类号:

胡昱, SEAMUS D Garvey, 许未晴, 蔡茂林, 石岩. 基于㶲分析的储罐式压缩空气储能系统的成本优化[J]. 机械工程学报, 2022, 58(12): 261-269.

HU Yu, SEAMUS D Garvey, XU Weiqing, CAI Maolin, SHI Yan. Cost Optimization of Tank-type Compressed Air Energy Storage Systems Based on Exergy Analysis[J]. Journal of Mechanical Engineering, 2022, 58(12): 261-269.

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基于㶲分析的储罐式压缩空气储能系统的成本优化

Cost Optimization of Tank-type Compressed Air Energy Storage Systems Based on Exergy Analysis

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