330MW机组循环水处理优化试验研究冷以康

　第31卷第12期华电技术Vol.31　No.12　　　2009年12月HuadianTechnologyDec.2009　330MW冷以康,程春兰,徐敬玮(,　225007)　:330MW,,。、,,、,,。:;;;:TM621.8　　　:B　　　:1674-1951(2009)12-0041-04:2009-03-200　2330MW200558。,2.5,TP304。,CaCO3。、,。,,80%,,、,,。2008,2330MW,、,,,,、,,。1　1.1　330MW,、:(1)2330MW,、,,。(2),2.5,。(3),,GB8978—1996《》。1.2　(1)330MW。(2)2。(3)GB50050—95《》。(4)DL/T712—2000《》。2　,。2.1　80L,,;10～20L;　·42·华电技术第31卷　1　/(mmol·L-1)/(mmol·L-1)/(mmol·L-1)/(mmol·L-1)/(mg·L-1)/(μS·cm-1)pH0.002.293.222.1843.153977.6752　/(mg·L-1)/(mmol·L-1)/(mmol·L-1)/(mmol·L-1)KCl-/69.676.456.643.15810.607.137.183.431010.797.327.443.581211.938.028.243.87,,1000L/h;,,,(45±1)℃,、;,,;(JD)(Cl-),。:ΔA=(KCl--KJD)≥0.4,。,、、、、Cl-pH,。,、、。2.2　(1):,1。(2):ZH532YD。(3):SS613Yd-2。(4)、:1,100mg/L。(5):(45±1)℃。(6):40L,800L/h。(7):4～8℃。1。2.3　,6,8,10,12mg/L,,2。2:6mg/L8mg/L,;8mg/L10mg/L,;10mg/L1　12mg/L,。,,8mg/L、。8mg/L,3.43。0.80,2.75。3　,。3.1　。3.2　(1):。(2):。(3):(45±1)℃。(4):TP304,Q235B。(5):10mm,,,,24h。　第12期冷以康,等:330MW机组循环水处理优化试验研究·43·　　　(6):TP304500h,Q235B120h。3.3　1800mL,,(45±1)℃。。125r/min,。,,,。,,。3.4　6,8,10,12mg/L4,2。2　　　2,4,TP304GB50050—95《》≤0.005mm/a;Q2358mg/LGB50050—95《》≤0.125mm/a。4　、,(、、),。,:(1)、。(2)。,、,。4.1　(1):,。(2)。(3):(45±1)℃。(4):,。(5):。(6):500h,20d。(7):TP304。(8):。4.2　,,,,,,,。,。,,。,20d。,Cl-、、、、、pH、、。,TP304,,、。TP304,。。3。4.3　、,、,。,,8mg/L2.5～2.8,。4。4.4　,(P)、、CODCr、,3。　·44·华电技术第31卷　3　4　3　mg/LCODCr1.150.1615.161.00　　:0.32mg/L,。　　　8mg/L(),2.75。TP304GB50050—95《》0.005mm/a,Q235B0.125mm/a。8mg/L,(、、CODCr)GB8978—1996《》。5　,330MW,8mg/L,2.75,,,。5.1　、、3。,,,。qVP=qVZ+qVF-×qVF-1,:qVP,m3/h;qVZ,m3/h;qVF,m3/h;。qVB=qVP+qVZ+qVF。2330MW、、4。4　、、/2.502.75/(m3·h-1)7000070000/(m3·h-1)580490/(m3·h-1)16301540　　4,2.502.75,290t/h,16%,5000h,45t;,、,。5.2　(1)(下转第58页)　·58·华电技术第31卷　,。,,,,,。2.3　,,,。2。,,,;,;,,,。,,,。,,,PVC,。3　,、,,、,。,8mm×1mm,,。,,,,。,,、。、,,。,、,,、,。:[1],.[M].:,2001.[2].[M].:,2008.[3].[M].:,2005.[4]DL/T774—2004,[S].[5].()[M].:,2009.(编辑:刘芳):(1982—),,,,。(1980—),,,,。(上接第44页),,,1kPa,。(2),,。(3),,,,。:[1],,,.[M].:,2001.[2].[J].,2007(A01):116-119.[3].[J].,2005(8):140.(编辑:刘芳):(1966—),,,,、。　·78·Abstracts第31卷　Keywords:denitrationefficiency;catalyst;servicelife;meas-ure09-12-22　Studyoncurrentdetectionandcon-trolofaparallelhybrid-typeactivepowerfilterHONGZhu-cai1,2,CHENDong-hua2,ZHANGFeng-chu2(1.MachinarySchoolofSoutheastUniversity,Nanjing210000,China;2.JiangsuXinchaoTechnologyGroupCorporationLimit-ed,Jiangyin214100,China)Abstract:ThecurrentdetectionandcontrolofparallelhybridAPFwerestudied.Itsuniversalelectricalmodelwasestab-lished;thecurrentdetectionmethod,inwhichtheactivepowercurrentwasseparated,wasadopted;theloadharmoniccurrentcontrolstrategywasselected.ThentheparallelhybridAPFwasresearchedanddesigned,andaparallelhybridAPFwasdevel-oped.Thefieldapplicationdemonstratesthecorrectnessofthisresearchmethod.Keywords:activepowerfilter(APF);harmonicwave;currentdetection;reactivepowercompensation09-12-26　Researchofenergy-savingapplica-tionofpermanentmagnetspeedadjustmenttech-nologyinthermalpowerplantYANXin-rong1,ZHANGDong2(1.ChinaHuadianCorpora-tion,Beijing100031,China;2.HuadianInternationalShiliquanPowerPlant,Zaozhuang277103,China)Abstract:Thepermanentmagnetspeedadjustmenttechnologyisadvanced,reliableandenergy-savingmotorspeedadjustmenttechnology.Theprincipleofpermanentmagnetspeedadjustmenttechnologywasintroduced,anditsperformancewascomparedcomprehensivelywithcascadespeedcontrolandvariablefre-quencyspeedcontrol.Theapplicationofpermanentmagnetspeedadjustmenttechnologyinopencirculatingwaterpumpofathermalpowerplantandtheobtainedeffectswerediscussed.Keywords:thermalpowerplant;centrifugalwaterpump;fan;permanentmagnetspeedadjustment;energy-saving09-12-29　Improvementofliftingschemefor650/100kNintaketowerslewingcraneSIJian-wei(HuadianZhengzhouMachineryDesignandRe-searchInstituteCorporationLimited,Zhengzhou450052,China)Abstract:Thedesignideasandmainfeaturesoftwohoistingmechanismschemeof650kNslewingcraneinintaketowerofQingjiangShuibuyahydroprojectwereintroduced.Thehoistingmechanismofmainhookandauxiliaryhookofslewingcranehadbeenimproved;theoriginaltwojointreelswerereplacedbyonedoublejointreel.Thentheoperationalsynchronicityofslewingcranewasincreased,themechanismandstructureofslewingcraneweresimplified,andtheanti-overturningstabilityofthegantrycranewasenhanced.Keywords:650kNslewingcrane;cleanupgrab;hoistingmechanismofslewingcrane;bothjointreel;doublebrokenlinegroove09-12-32　OptimizationofgroundinggridofsubstationandpotentialdistributionmeasurementandanalysisGENGYa-ming,LULu(TaizhouPowerSupplyCompany,Taizhou225300,China)Abstract:Thebasicmethodofoptimizeddesignofsubstationgroundinggridwasintroduced,andtheselectionofmeasurementpointsandthecorrectmeasurementmethod,whichcanreducetheinfluenceofenvironmentfactorsonmeasurementresult,wereintroducedtoo.Takingan110kVsubstationasexample,thepo-tentialdistributionwasmeasuredaccurately,themeasurementdatawereanalyzed,andthemoreaccurateexperimentresultswereobtained.Basedontheresultanalysis,inordertoimprovethepotentialdistribution,somemeasureswereproposedtoim-provetheperformanceofthegroundinggrideffectively.Keywords:optim