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首页 IDD内置式除氧器介绍

IDD内置式除氧器介绍.pdf

IDD内置式除氧器介绍

UC
2012-10-23 0人阅读 举报 0 0 0 暂无简介

简介:本文档为《IDD内置式除氧器介绍pdf》,可适用于工程科技领域

StorkThermeqBVInternalDrumDeaeratorStorkThermeq’slatestdevelopmentinthefieldofdeaerationistheInternalDrumDeaerator,abbreviatedasIDDThisnewdeviceisbasedonthewellknownStorksprayertechnologyandspeciallydesignedfortheLPsteamdrumoftheHeatRecoverySteamGenerator(HRSG)TheIDDoperatesasanormaldeaeratorinsidetheLPsteamdrumCondensate(),comingfromtheeconomizer(condensatepreheater)isatomisedusingthestandardStorksprayerandheatedup,bysteam,tosaturationtemperatureandestablishingthefirstpartofthedeaeratingprocessSteamistakenfromthesteamspaceofthedrum()andenterstheIDDthroughanumberofsteamheaderpipeswhereitisdividedoveranumberofsteamloadingpipesFromtheloadingpipesthesteamisinjectedinthecondensate,establishingthesecondandfinalphaseofdeaerationAconstantwaterlevelintheIDD,whichisindependentofthedrumlevel,isrealisedbyaweirplate()Throughtheventnozzles(),placednexttothesprayer,thenoncondensablegasescanleavetheIDDtotheatmosphere“open”viewofIDDwithapartofthedrumSchematicdrawingshowingtheoperatingprincipleTheIDDhasthefollowingmaincharacteristics:·ThedeaeratedwaterleavestheIDDatsaturationtemperature·Becausetherearenotemperaturegradients,noextraprovisionsarenecessarytodistributetheboilerfeedwateroverthesteamdrum·TheIDDisanonpressurepart·NoseparatevesselontopofthesteamdrumresultsinareducedbuildingheightTheIDDisespeciallydesignedforuseinHeatRecoverySteamGenerators(HRSG)usedinaCombinedCyclePowerPlantThetypicaloperatingconditionsfortheIDDinthisapplicationare:·CondensateflowfromtoTH·Temperaturedifferencebetweendrumandcondensateto°C·Oxygencontentintheincomingcondensate<ppbIntroductionInternalDrumDeaerator(IDD)AreaofApplicationStorkThermeqBVForatypicalcombinedcyclepowerplanttheOrequirementisalwaysmetwhenthemakeupwaterisaddedtothecondenserBecauseofthepressuredropacrossthesprayer,thetemperaturedifferencemaybenegativeduringtransientsituationsThecondensatemaybeto°CwarmerthanthewaterinthedrumTheIDDcanbedesignedforalargertemperaturedifferencethan°CandhigherinletOconcentrationsThecombinationsteamdrum–IDDrequiresanozzlefreeareaoveralengthofto,m,ietheareaoftheIDDProcessconditions,dimensions,layoutrestrictionsandpreferredwaterlevelsinthesteamdrumarethemaindatatostarttheIDDdesignandtocheckthesteamdrumforavailablespaceandtodeterminethemaindimensionsoftheIDDThesedesignaspectshastobediscussedintheearlyphaseoftheprojectAveryinterestedaspectoftheIDDistheflexibilityininstallingtheIDDinsidethesteamdrumTheIDDcanbeinstalledanywhereinthesteamdrumBecausetheIDDisanintegralpartofthedrum,itisalogicconsequencethatmanufacturingisdonebytheboilermanufacturerYouwillbuyfromStorkThermeqthelicensefortherighttomanufacturetheIDD,whereStorkThermeqsuppliesthebasicengineering,drawingsandtheStorkSprayerStorkThermeqaimstobecomeitscustomers’bestpartnerforthetailormadedesign,manufactureandmaintenanceofcombustion,deaeration,condensationandabsorptionrefrigerationsystemsWithitsfocusonproductionspeedandflexibility,StorkThermeqisalsoaleadingsupplierofhighqualitycomponentsforboilersandtheprocessindustryWeconsidersatisfiedcustomers,motivatedemployees,highqualityandsoundfinancialperformancetobethecorevaluesforthesuccessfulcontinuityofourcompanyDrumDesignConsiderationsAboutStorkThermeqIDDDeliveryStorkThermeqBVPOBox,AAHengelo,TheNetherlandsVisitingaddress:Langelermaatweg,JDHengelo,TheNetherlandsTel:Fax:email:infothermeqstorkcomWebsite:wwwthermeqnl

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