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1、第43卷第2期：493-498高电压技术Vol.43,No.2:493-4982017年2月28日HighVoltageEngineeringFebruary28,2017DOI:10.13336/j.1003-6520.hve.20170123020电除尘器在超低排放下的系统运行优化12张滨渭，李树然（1.西安热工研究院有限公司，西安710032；2.浙江大学化学工程与生物工程学院工业生态与环境研究所，杭州310028）摘要：超低排放下电除尘器面临的问题众多，需要通过低低温电除尘器、高压电源选型和经济性评估进行优化。低低温电除尘器是指烟气温度降至酸露点
2、附近运行的电除尘器，当电除尘器温度由120~150℃降至80~110℃时，出口排放质量浓度可下降20%~40%。为电除尘器运行供电的有高频电源、三相电源和脉冲电源3种，工程测试证明三相电源适合高粉尘负荷，高频电源在匹配良好条件下可实现较好的提效效果，而脉冲电源需更多地针对细颗粒物和高比电阻粉尘进行研究。同时电除尘器应在运行条件、电源选型等优化且满足排放要求的前提下，应通过运行优化调整试验及系统优化控制，合理降低运行电耗。关键词：低低温电除尘器；高频电源；三相电源；脉冲电源；比电耗；超低排放SystemOperationsOptimizationofEle
3、ctrostaticPrecipitationforUltra-lowEmissionZHANGBinwei1,LIShuran2(1.Xi’anThermalPowerResearchInstituteCo.,Ltd.,Xi’an710032,China;2.InstituteofIndustrialEcologyandEnvironment,CollegeofChemicalandBiologicalEngineering,ZhejiangUniversity,Hangzhou310028,China)Abstract：Thenumerousprob
4、lemsunderultra-lowemissionshouldbesolvedthroughtheoptimizationofcolder-sideelectrostaticprecipitator(ESP),high-voltagepowersourceselection,andcapitalassessment.Thecolder-sideESPoper-atesattemperatureneartheaciddewpoint,and20%~40%oftheemissionatESPoutletcanbereducedwhentheoperatin
5、gtemperaturedecreasesfrom120~150℃to80~110℃.High-frequencypowersource,three-phasepowersource,andpulsepowersourcearethethreemainpowersuppliesforESP.Engineeringtestsshowthatthethree-phasepowersourcecanbettercopewithhighdustload,high-frequencypowersourcecanimprovetheoperatingperforma
6、ncesundergoodmatchingconditions,andpulsepowersourcestillneedsmoreresearchesonitsapplicationoffineparticleandhighresistivitydustcontrol.Meanwhile,basedonoperationoptimizationandpowersourceselectionwithoutsacrificingdustemissions,theelectricalpowerconsumptionofESPsshouldbereducedby
7、integrationofsystemcommissioningandcontrollingoptimizationonthepremiseofreachingultra-lowemission.Keywords：colder-sideelectrostaticprecipitator;highfrequencypowersource;three-phasepowersource;pulsepowersource;specificpowerconsumption;ultra-lowemission奇公式，成为电除尘的理论基础。为使电除尘理论0引言更贴近实
8、际，Robinson[7]、Cooperman[8]、Leonard[9]、电除
