先进压缩空气储能系统的余热回收和利用

doi:10.11930/j.issn.1004-9649.202011118

中国电力 ›› 2022, Vol. 55 ›› Issue (2): 28-34.DOI: 10.11930/j.issn.1004-9649.202011118

• 国家“十三五”智能电网重大专项专栏：（十一）新型储能与能源转化关键技术 • 上一篇下一篇

先进压缩空气储能系统的余热回收和利用

文贤馗¹, 李翔¹, 邓彤天¹, 钟晶亮¹, 王锁斌¹, 刘石²

1. 贵州电网有限责任公司电力科学研究院，贵州贵阳 550002;
2. 南方电网电力科技股份有限公司，广东广州 510080

收稿日期:2020-11-25 修回日期:2022-02-26 出版日期:2022-02-28 发布日期:2022-02-23
作者简介:文贤馗（1972—），男，高级工程师（教授级），从事新能源发电、网源协调研究，E-mail：13985410224@139.com;刘石（1974—），男，通信作者，博士，高级工程师（教授级），从事发电设备机械振动故障诊断与燃气轮机燃烧机理等方面研究，E-mail：13925041516@139.com
基金资助:
国家重点研发计划资助项目（10 MW级先进压缩空气储能技术，2017YFB0903600)；南方电网公司科技项目（压缩空气储能电站调节特性研究及经济性分析，GZKJXM20172214)

Waste Heat Recovery and Utilization of Advanced Compressed Air Energy Storage System

WEN Xiankui¹, LI Xiang¹, DENG Tongtian¹, ZHONG Jingliang¹, WANG Suobin¹, LIU Shi²

1. Electric Power Research Institute of Guizhou Power Grid Co., Ltd., Guiyang 550002, China;
2. China Southern Grid Power Technology Co., Ltd., Guangzhou 510080, China

Received:2020-11-25 Revised:2022-02-26 Online:2022-02-28 Published:2022-02-23
Supported by:
This work is supported by National Key Research and Development of China(10 MW Advanced Compressed Air Energy Storage Technology, No.2017YFB0903600), Science and Technology Project of China Southern Power Grid Corporation(Compressed Air Energy Storage Power Station Regulation Characteristics Research and Economic Analysis, No.GZKJXM20172214)

摘要/Abstract

摘要： 压缩空气储能是现阶段快速发展的一种储能技术，能够实现能量的储存和释放。在系统运行过程中，为了避免热量损耗，提出一种回收利用系统排气和换热工质余热的方法，在原余热回收系统基础上添加低膨胀比膨胀机，系统排气通过换热器吸收工质余热，进入膨胀机做功，增加膨胀机组输出功率并提升系统效率。利用Aspen Plus软件建立稳态工况下四级先进压缩空气储能系统模型，进行模拟仿真，通过改变膨胀机排气压力和稳压阀出口压力，探究二者对系统效率和输出功率的影响。仿真结果表明，该方法增加了压缩空气储能系统的总输出功率，提高了系统效率。

关键词: 先进压缩空气储能, 余热回收, 膨胀机, 模拟仿真, 系统效率

Abstract: Compressed air energy storage is a kind of energy storage technology that has developed rapidly in recent years, which can realize energy storage and release. In order to avoid heat loss during the operation of the system, a method to recover and utilize the waste heat of the system exhaust gas and the heat exchange working fluid is proposed. On the basis of the original heat recovery system, a low expansion ratio expander is added. The converter absorbs the waste heat of the working fluid and enters the expander to do work to increase the output power of the expansion unit and improve the system efficiency. By using Aspen Plus software to establish a four-stage advanced compressed air energy storage system model under steady-state conditions for simulation. The influence of the these two factors on the system efficiency and output power is explored by changing the expander exhaust pressure and the regulator valve outlet pressure, The simulation results show that the method increases the total output power of the advanced compressed air system and improves the system efficiency.

Key words: advanced compressed air energy storage, waste heat recovery, expander, simulation, system efficiency

文贤馗, 李翔, 邓彤天, 钟晶亮, 王锁斌, 刘石. 先进压缩空气储能系统的余热回收和利用[J]. 中国电力, 2022, 55(2): 28-34.

WEN Xiankui, LI Xiang, DENG Tongtian, ZHONG Jingliang, WANG Suobin, LIU Shi. Waste Heat Recovery and Utilization of Advanced Compressed Air Energy Storage System[J]. Electric Power, 2022, 55(2): 28-34.

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先进压缩空气储能系统的余热回收和利用

Waste Heat Recovery and Utilization of Advanced Compressed Air Energy Storage System

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