660MW锅炉空气预热器蓄热元件3层改2层的应用研究

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中图分类号：TK229 文献标志码：A 文章编号：2095-2945（2026）03-0090-04

Abstract：Againstthebackdropoftheprofoundadjustmentoftheglobalenergystructureandthe"doublecarbon”goals，the thermal powerindustryisfacingunprecedentedpressure tosaveenergyandreduceemisions.Asoneofthemainequipmentfor thermalpowergenerationinChina，theperformanceofitssuportingrotaryairpreheaterhasadecisiveimpactontheoeral energyeffciencyandenvironmentalprotectionleveloftheunit.Tradionalairpreheaterwiththre-layerheatstorageelemnts hasexposedmanyproblemssuch ashighresistance，seriousairleakage，andhighmaintenancecostsduring long-termoperation， makingitdificulttoadapttotheneedsofhigh-qualitydevelopmentoftheindustry.Thetechnicaltransformationoftheheat storageelementfromthreetotwolayershasbecomeanimportantpathtoimprovetheperformanceofairpreheatersandpromote costeductionandefciencyincreaseforthermalpowercompanies.Tus，thispaperbrieflyanalyzestheaplicationofreplacing three-layer heat storage elements with two-layer heat storage elements in 66O MW boiler air preheater.

Keywords：66O MW boiler;airpreheater;heat storage element；application；technical transformation

电力行业中，660MW锅炉作为主力发电设备，在长期运行过程中，逐渐暴露出诸如阻力大、漏风率高、维护成本高等问题，这些问题不仅影响了锅炉的高效运行，还增加了发电成本和环保压力。（剩余5825字）