简介：TheaveragecoalconsumptionofthermalpowerplantsinShandongProvincialGridwasreducedfrom449g(standardcoal)/kWhin1979to389g(standardcoal)/kWhin1989,asinrecenttenyears,thethermalpowerplantsofShandongProvinceadoptedthemethodofconstructinglargescalegeneratingunitsandimprovingtheeconomicperformanceofoldgenerationunits,mean-whiletheothertechnicalandeconomicaltargetsalsowereimprovedsignificantly.Forinstance,theelectricenergyconsumptionrateof

简介：Thispaperisconcernedwithwatersavingforwater-loopcoolingtowersysteminpowerplants.Anewlydevelopedwatersavingdeviceofswirlingflowispresented.Thekeypointisthatthenewwatersavingdevicemakesthesteamswirlupalongthedevicewallratherthanengenderlaminarflowinacorrugatedplate.Thecorrugatedplatedevicecansaveapproximately10percentofthetotallostwater.Incontrasttothescalemodelofcorrugatedplatewatersavingdevice,experimentalanalyseshavedemonstr...

简介：ChinaInternationalWaterandElectricCor-poration(CWE)wasformedbymergenceofformerHydraulicEngineeringCorporationofChina(HECC)andformerChinaNationalCompletePlantExportCorporationElectricEngineeringCompany(CEEC)onAugust4,1983.Ithasahistoryofmorethan30yearsinundertakinghydraulicandelectricengineeringprojectscountedfromthebeginningofitsformerbodies.Thecorporationhas600staffmembers.Underthecorporation,thereare2branchesand15overseaorganizations.CWEpossessesacapitalfundof500millionYuanRMB.CWEisanationalcorporationestablishedspeciallyforeconomicandtechnicalcoopera-tionwithforeigncountriesandcontractinghy-draulicandelectricengineeringprojectsandothercivilengineeringprojectsabroad.Themainbusinesslinesareasfollows:1.contractinghydraulic,electricandother

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简介：BackgroundThepowerindustryhaslongbeenplaguedwithcomplicationsandoutagesrelatedtocorrosionofplantcomponents.Priortothemid-sixties,corrosionofboilerwater-walltubeswasoneoftheprominentproblemsinpowerplants.Water-walltubescorrosionproceedingunderironoxidedepositcausedcausticgougingoracidicembrittlementoftubemetal.Manyboilertubesfailedbysuddenrupture.Fieldandlaboratorystudiesshowedthat,carbonatealkalinityandneutralsaltinboilermakeupwatertreated