锅炉排烟温度高的影响因素及处理措施

第36卷第11期华电技术Vol．36No．112014年11月HuadianTechnologyNov．2014邹绍波，王仁利265700#5。。TK229．6+3B1674－1951201411－0040－032014－03－182014－09－271#5WGZ670/13．7－6、、、Π200MW2000220MW。MPS。、。、。。#5。、、。12011180MW150．00℃145．00℃154．68℃。10℃2．1g/kW·h1．0g/kW·h。22．11#5。。。#5MPS65～75℃。40%。。1．0℃0．8℃。2．2。Ｒ90≤35%。#5、第11期邹绍波，等:锅炉排烟温度高的影响因素及处理措施·41·。Ｒ9038%、。。#5。600～700r/minＲ9038%0．30%0．60%0．03%。#5、。。。2．3#5。30℃90．35%65℃89．28%。。#5。168℃。65℃190℃200℃。33．1#5347℃368℃。。320℃290℃。。85℃。。73～78℃80～85℃10%。、1。1、℃≤85≤340≤80≤320≤90≤3473．2、。1。2。33900r/minＲ9030%600r/minＲ9040%。2r/min#1#2#3#4#5700750750800850650700700750750750750800850900·42·华电技术第36卷3/r·min－1/%Ｒ200Ｒ9006．043．23006．042．06006．440．89000．430．412000．419．6#5。3．3。65℃40～60℃40℃60℃168℃、。42012、2180MW。2#5154．68℃143．68℃11℃。25。(本文责编:刘芳)1973—[e-mail]。1967—欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍。(上接第21页)。ＲB。4ＲB、。。ＲB、。1．1000MWＲBJ．201039772－74．2．600MWＲBJ．200826420－23．3．#3ＲBJ．200938192－95．4．600MWＲBJ．200736762－65．5．ＲBJ．200938714－17．(本文责编:刘芳)1982—、[e-mail]。第11期Abstracts·79·adhesivelayerweregiven．Thesafetyofthetowercraneinusebyuserswasensured．KeywordsFZQ600attachedself-raisingtowercraneALGOＲsoftwarefiniteelementanalysistowerstructure2014－11－40FactorscausinghigherexhaustgastemperatureofboilerandtreatmentmeasuresZOUShaoboWANGＲenliShandongCenturyElectricPowerDevelopmentCompanyLimitedLongkou265700ChinaAbstractInShandongCenturyElectricPowerDevelopmentCompanyLimitedtheboilerexhaustgastemperatureofunitNo．5ishigherduetoblendedcombustionofinferiorcoalinlargepercentages．Thefactorsinfluencingontheexhaustgastemperaturewereanalyzedonebyone．Theoperationmodewasadjustedandtheboilerexhaustgastemperaturewasreducedef-fectively．Theboilerefficiencywasimproved．Keywordsexhaustgastemperaturemilloutlettemperaturefinenessofpulverizedcoalsteamairheatereconomicefficiency2014－11－43Analysisonrejectingactaccidentofautomaticbustransferequipmentsinan110kVsubstationandtreatmentmeasuresCHENHangshengZHANGGuopingCHENPingFuzhouPowerSupplyCompanyFuzhou350005ChinaAbstractInan110kVsubstationwhenthe110kVlinefailedandrelevantbeakertrippedtheautomaticbustransferequip-mentsofthesubstationdidnotactandrelatedtransformerand110kVbuswerecut-out．Usingthetheoreticalanalysisandlogicverificationmethodtheaccidentwasanalyzedanddiscussed．Thepreventivemeasuresinoperationandmaintenancewerepointedout．Theresultsinthispaperprovidereferenceforde-signandoperationoftheautomaticbustransferequipments．Keywordsautomaticbustransferequipmentrejectingacttechnicalmeasure2014－11－46AnalysisonleakageofrearplatesuperheatertubesofboilerinapowerplantHAODongfuLIUHongGuangdongYuehuaPowerCompanyLimitedGuangzhou510731ChinaAbstractAtubecrackaccidentoftheboilerrearplatesuper-heaterinapowerplantoccurred．Themacroscopicexaminationthemicrostructureanalysisandthethicknessmeasurementoftheoxideskinoninternalwallweredownforthecrackedtube．Combiningwiththeformationmechanismoftheoxideskinitwasdeterminedthatthetubecrackaccidentoftherearplatesu-perheateriscausedbyovertemperatureatlongtimeanddecrea-singofthetubewallthickness．Basedontheexaminationresultsoftherearplatesuperheaterthemeasurestoensuresafeopera-tionatlongtermwereproposed．Keywordsrearplatesuperheateroperateinovertemperatureconditiondecreaseofthicknessoftubewalltubecrack-causedleakagesafeoperation2014－11－48Causesanalysisandresolutionmethodsforthedecliningresinregenerationinpri-marydemineralizesystemXUEChanggangZHOUZhibinWANGFengtaoSUNYongElectricPowerScienceＲesearchInstituteofHenanElec-tricPowerCompanyofSGCCZhengzhou450052ChinaAbstractAsforthedemineralizesystemofonestage2×300MWunit'sboilerfeedwaterresinregenerationbegintodeclineinprimarydemineralizeapowerplant．Thepossiblecauseswereanalyzedthespecificresolvemethodswereproposed．Afterac-tualimplementationprovedtobebesteffective．Keywordsprimarydemineralizesystemresinregenerationde-cline2014－11－52Comparisonofsystemconfigura-tionsofF-classgasturbinesZHOUYiminHangzhouHuadianXiashaThermalPowerCom-panyLimitedHangzhou310018ChinaAbstractThedevelopmentsituationofF-classgasturbineswasintroduced．ThetechnicalparametersthestartupmodetheCO2fireprotectionsystemtheanti-pantairventvalvetheoilsystemandtheconfigurationoftheburnersofF-classturbinese-rieswereanalyzed．Thedifferencesof6F-classgasturbinesand9F-classgasturbinesinsystemconfigurationandoperationwerecompared．Therewererelativelyless6F-classgasturbinestobeputintooperationinchinathecomparisonandanalysisinthispapermaybehelpfulforoperationof6F-classgasturbines．KeywordsF-classgasturbinedevelopmentsituationsystemconfigurationcomparisonanalysis2014－11－55Analysisonreasonsofout-of-limitvibrationofwaterintakepumpHANLizhengChinaChengdaEngineeringCompanyLimitedChengdu610041ChinaAbstractInoperationofthewaterintakepumpofacoal-firedpowerplantthevibrationofthepumpexceededpermittedlimit．Thereasonsofthevibrationwereanalyzedanditwaspointedoutthatthemainreasonscausingtheover-of-limitvibrationaretheexternalpipelinestresstheinsufficientlubricatingwaterpressureandthepoorlubricatingwaterquality．Thefaultsweretreatedthevibrationofthewaterintakepumpweakenedandthew