第40卷,总第236期2022年11月,第6期《节能技术》ENERGYCONSERVATIONTECHNOLOGYVol.40,Sum.No.236Nov.2022,No.6基于IEC技术的蒸发式布雷顿循环热力学性能研究施其乐1,何纬峰1,韩东1,高燕飞1,苏鹏飞2(1.南京航空航天大学能源与动力学院,江苏南京210016;2.东方电气集团东方汽轮机有限公司,四川德阳618000)摘要:传统的蒸发式透平循环由于结构复杂使得成本高昂,难以商业化运行,因而开发集成度更高的加湿设备尤为必要。本文运用间接蒸发冷却(IEC)技术集成加湿、后冷、回热等过程于一体,研究了不同类型的饱和器,并发展出相应的数学模型。首次从布雷顿循环与朗肯循环协同运行的新角度,对运用不同饱和器的动力循环关键参数进行了敏感性分析。研究结果表明:预冷饱和器载水量优于回热饱和器,而双重饱和器结合了两者的特点,对于余热利用实现了最大化。协同循环模型也指出朗肯分循环的效率远高于布雷顿分循环。本文验证了带有预冷回热双重饱和器的动力循环在高效运行、高载水量、高输出功方面的优势和潜在应用前景。关键词:间接蒸发冷却;蒸发式透平循环;载水量;饱和器;余热利用中图分类号:TK11+5文献标识码:A文章编号:1002-6339(2022)06-0502-07StudyonThermodynamicPerformanceofEvaporativeBraytonCyclebasedonIECTechnologySHIQi-le1,HEWei-feng1,HANDong1,GAOYan-fei1,SUPeng-fei2(1.NanjingUniversityofAeronauticsandAstronautics,CollegeofEnergyandPowerEngineering,Nanjing,210016,China;2.DongfangElectricGroup,DongfangSteamTurbineCo.,Ltd.,Deyang618000,China)Abstract:Itisparticularlyvitaltobuildahumidifierwithhigherintegrationbecausetheexistingevapora-tiveturbinecycle'scomplexstructuremakesitexpensiveandchallengingtooperatecommercially.Thispaperincorporateshumidification,aftercooling,andregenerativeprocessesusingindirectevaporativecooling(IEC)technology.Mathematicalmodelsarecreatedinaccordancewiththeresearchonvarioussaturatorkinds.ThecoordinationoftheBraytoncycleandRankinecycleisconsideredforthefirsttimewhensensitivityanalysisofthekeypowercycleparameterswithvarioussaturatorsisconducted.There-sultsindicatethattheprecoolingsaturatorhasahigherwatermaximumloadthantheregenerativesatura-tor,andthedoublesaturatorcombinestheadvantag...