102023.5期区域供热固体蓄热式电锅炉放热特性优化研究孙勇，杨艺伟，闫孟哲，裴文浩，陈璟，薛可历，张宏喜（河北建筑工程学院，河北张家口075000)摘要：为提升固体蓄热式电锅炉机组整体效率及系统安全性，对其放热特性进行研究。通过数值模拟锅炉内部布风及换热器结构，并分析实验测试结果，采用蓄热体迎风面设置导流装置和改变换热器管排结构的优化方法，改善锅炉放热不均匀的问题，提升翅片管式换热器的换热效率。优化结果表明：通过设置导流装置可使迎风截面的流速分布均匀性指数提升13.58%；通过优化换热器的管排结构，可使换热器风侧温降均匀性提高49.779%。关键词：固体蓄热式电锅炉；布风均匀性；翅片管式换热器；温变不均匀性系数基金项目：中央引导地方科技发展资金项目（216Z5201G）；河北省高等学校科学技术研究项目（QN2023076）；河北建筑工程学院校级创新基金项目（XY2023057）。DOI编码：10.16641/j.cnki.cn11-3241/tk.2023.05.002StudyonoptimizationofheatreleasecharacteristicsofsolidregenerativeelectricboilerSUNYong,YANGYiwei,YANMengzhe,PEIWenhao,CHENJing,XUEKeli,ZHANGHongxi(HebeiUniversityofArchitecture,Zhangjiakou075000,China)Abstract:Inordertoimprovetheoverallefficiencyandsystemsafetyofsolidregenerativeelectricboilerunits,theheatreleasecharacteristicswerestudied.Throughnumericalsimulationofthestructureoftheboilerinternalairdistributionandheatexchanger,andanalysisoftheexperimentaltestresults,theoptimizationmethodofsettingthediversiondeviceonthewindwardsideoftheheataccumulatorandchangingthestructureoftheheatexchangertubesisadoptedtoimprovetheproblemofunevenheatreleaseoftheboilerandimprovetheheatexchangeefficiencyofthefinnedtubeheatexchanger.Theoptimizationresultsshowthatthevelocitydistributionuniformityindexofthewindwardsectioncanbeimprovedby13.58%bysettingthediversiondevice.Byoptimizingthetubestructureoftheheatexchanger,theuniformityoftemperaturedropontheairsideoftheheatexchangercanbeimprovedby49.779%.Keywords:solidregenerativeelectricboiler;airdistributionuniformity;finnedtubeheatexchanger;coefficientoftemperatureheterogeneity112023.5期区域供热0引言近年来，能源结构优化及其技术创新日益增速，作为稳定绿色的清洁能源...
