含射气抽气器配气机构对蓄热式压缩空气储能系统释能功率的影响  

Effect of Valve Train with Ejector on the Power Output of Thermal-storage Compressed Air Energy Storage System

作　　者：文贤馗 钟晶亮 卿绍伟[2,3] 苟小龙[2,3] 唐胜利[2,3] WEN Xian-kui;ZHONG Jing-liang;QING Shao-wei;GOU Xiao-long;TANG Sheng-li(Electric Power Research Institute of Guizhou Power Grid Co.,Ltd.,Guiyang 550002,China;Key Laboratory of Low-grade Energy Utilization Technologies and Systems,Chongqing University,Ministry of Education,Chongqing 400044,China;College of Power Engineering,Chongqing University,Chongqing 400044,China)

机构地区：[1]贵州电网有限责任公司电力科学研究院,贵州贵阳550002 [2]重庆大学低品位能源利用技术及系统教育部重点实验室,重庆400044 [3]重庆大学能源与动力工程学院,重庆400044

出　　处：《节能技术》2020年第3期240-246,共7页Energy Conservation Technology

基　　金：国家重点研发计划(2017YFB0903600);南方电网公司重点科技项目(GZKJXM20172214)。

摘　　要：以10 MW含射气抽气器配气机构蓄热式压缩空气储能(TS-CAES)系统为对象,探讨低压气源的合理选取、低压气源参数对释能功率的影响。首先,就低压卷吸气的五种来源,分别考虑计及或不计卷吸气额外再热两种情况,给出了相应的释能功率及其增量,以及卷吸气额外再热对释能功率增量贡献的效率。基于该模型,通过嵌入TS-CAES系统的宽范围稳态工况特性,分析了射气抽气器提升TS-CAES系统释能功率的详细机理,给出了低压气源的最优选取方案。The 10 MW thermal-storage compressed air energy storage(TS-CAES)system with ejector is taken as the research object.Reasonable selection of low-pressure air flow source,and effect of low-pressure air flow source parameter on power output of TS-CAES system are discussed in detail.At first,considering the two conditions that with or without extra reheat of ejected air flow,the mathematical models of power output and its'increment,and especially the efficiency(i.e.the ratio of power output increment to extra reheat of ejected air flow)for five low-pressure air flow sources are given respectively.Then,by implanting wide-range steady-state operating characteristics,detailed mechanism of improved power output of TS-CAES system by ejector is revealed,and optimal selection of low-pressure air flow source is obtained.

关 键 词：蓄热式压缩空气储能 射气抽气器 释能功率 低压气源 

分 类 号：TK82[动力工程及工程热物理—流体机械及工程]