凝结水系统说明

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1、ENGINEERINGSHEETES.NO.SHEET7/7ENGINEERINGSHEETES.NO.SHEET1/7REV.NODATECUSTOME1REVD.CHKDAPPD.1999.21ligengpenglingxinliuxinEQUIPMENT2X350MWSTEAMTURBINE&GENERATORPLANT2000.122SUBJECTTheSDDforCondensateSystem3ThissheetistheSDDforCondensateSystemDRAWINGTITLE:SDDFORCONDENSATESYSTEMOWNWE’SDR

2、AWINGNO.:JJ3-TI0-5010–015Rev.2PURPOSEDISTRIBUTIONISSUEDBYNWEPDIFORCONSTRUCTION■DATE2000.12FORINFORMATIONPREPD.FORREVIEWCHKD.FORCONFIRMATIONFORQUATATIONAPPD.Hitachi,Ltd.Hitachi,WorksHitachi,Ltd.Hitachi,WorksENGINEERINGSHEETES.NO.SHEET7/71.Systemfunction1.1Thesystemdeliveriesthecondensat

3、efromthecondenserhotwelltothedeaeratorstoragetank.Duringthisprocess,thecondensatewillbeheated,deaerated,polished.1.2Thecondensatewillbeheatedbyturbineextractionsteamlow-pressureheatersandthedeaerator.1.3Thecondensatesystemwillbepolishedanditsconsolationofdissolvedsolidswillbecontrolled

4、.1.4Thecondensatewillbedeaeratedbothincondenserandthedeaerator.1.5Thecondensatesystemalsoprovidewatertovariousdesuperheaters,sealingwatertoequipment,makeupwatertovarioussystem,fillingwatertoboiler.2.ScopeofsystemdesignThescopeofcondensatesystem(drawingNo.JJ3-TP0-300-004)designisasfollo

5、ws:2.1Thecondensatepipingfromthecondenserhotwelltothedeaerator,includingtheequipment,fittingsandvariousdrain&ventpointsonthepipingandtheminimumrecirculatingwaterpipingofthecondensatepump(CP).2.2Theledoutpipingfromthemaincondensatepipingtothevariousmiscellaneouspiping&equipmentattempera

6、tors.2.3TheturbineLPcylinderlowloadspraywaterpipingledoutfromthemaincondensatepiping(aftertheglandsealcooler).2.4Themake-upwaterpipingledfromthecondensatestroragetanktothecondenserhotwell,includingtheequipmentandfittingsonthepipingandtheboilerfilingwaterundercoldcondition,themake-upwat

7、erpipingoftheclosecyclecoolingwatersystem(CCCWS)andgeneratorstatorcoolingwater,thefilingwaterpipingofcondensatesystemandthemake-upanddischargewaterpipingofthewatertank.TheconnectingpipingbetweenthewaterstoragetankofunitsNo.1andN0.2,includingfittingonthepiping.2.5Thedeaeratorstart-upr