newater plant水廠技術(shù)方案v0szj

Project Theprincipleofsodium Sodiumhypochloritegeneratortype Systemprocessandmainequipment SoftenedWater Salt Dilutebrinedistribution NaClOgeneration NaOClStorageandHydrogenseparator Acidcleaning NaClODosing PLCand accessorysystemtesting Mainequipment Engineering ysisoftheoperation Technicalserviceandquality ProjectSingaporeNewwaterntwaterforprocessingis230000m3/d.Totalthreedosingsystemfornt，thetotaldosageis8ppmonnormallyrunningtime，Sodiumhypochloriteamountfordailyconsumptionis1840kg/d.Nowwaterntisusingsodiumhypochloriteadditivegoods，anditcosthigher，thentheyconsidertochoosethesodiumhypochloritetechnologyinsteadofgoods.TheprincipleofsodiumNTseriesofsodiumhypochloritegeneratorisanewtypeofsodiumhypochloritesolutionforonlineproductionequipment，whicharesuitableforallkindsofsituationneedstousesodiumhypochloritedisinfection，Maintechnicalindicatorshavereachedandexceededthelevelofindicatorofthenational“GBchloridesolutionunderacertaincellvoltage，hasaelectrochemicalreactionintheelectrodecell，producethesodiumhypochloritesolution，F(xiàn)ollowingasthechemicalreaction（Formula:1-1-1）:BecauseofNaOClmolecularweightis1.05timesofCl2，Andwhentheoxidationreaction，EachNaOClandCl2moleculeschangedsameamountofchargetransfer，sointheprocessofproductionofsodiumhypochloritebyelectrochemical，produceper1gramNaOCl，amountto0.952gramCl2OnthebaseofFormula:1-1-1，aconsiderableamountofhydrogengashasbeenproducedduringtheprocessofgenerationsodiumhypochlorite。SinceintheprocessdesignAdoptstheCentrifugalfanblowingairtomixwiththegeneratedhydrogen,SoforthehydrogenamountinaccordancewithuminputpowerflowCompleteproducehydrogengasincathode,Wecancalculateper1gramNaClOproducedwhileproduced0.35litrehydrogengasfollowingtheprinciple.on-sitesodiumhypochloritecomparedwithchemicalsodiumpreparetechnelectrolysiselectrolyticprocesslowconcentrationsaltwatergenerated0.8%sodiumhypochloritesolution,purityItisindustryby-productswithconcentration10%,anddifferentqualitybyeachfactoryThesafestmethodofchlorinedisinfection,arenotcontrolledbythepublicsecuritydepartment,non-harmfultotheenvironment,dosinginliquidandTheyaredangerousgoods,andcontrolledbythepublicsecuritydepartment.nosafetyinthestoragetimeisshort.DangerousDuetochlorineoxidationabilitylower,andharmfulmatterless,anddoseammoniawithpotassiumwillbeaddedtodrinkingwater,beharmfultolifeHighcostwithbuyingequipment,lowercostinoperation,canpayDosingwithliquidoflowconcentration,Concentrationishigh,noteasytopreciselydosageofchlorine,andeasyblockingthedosingSodiumhypochloritegeneratortypeWorking24hoursunderthenormaluseelectricitypowerVolumeofproductionofsodiumhypochloriteshouldbe1840kg/d，volumeofproductionperhouris76.67kg/h，With3setssodiumhypochloritegeneratorNT40000（2setsneededand1setprepared，otalcapacityis80kg/h，thepretreatmentformembraneofsodiumhypochloritesolutionisnotcontinuoususe，Soconsidertheallowanceofthecontinuoususageperhourtobethedosing.SystemprocessandmainequipmentSodiumhypochloritegenerationsystemconsist5partsfortheproject.IncludingSoftenedWaterDevice（M1）,Saturatorpreparemodule（M2）,DiluteSystem（M7）,PLCandUPS（M8）.SoftenedWaterTapwaterisremovedCalcium,Magnesiumhardnessbysoftener.Partofsoftenedwaterprovidedilutionwaterforsodiumhypochlorite,theotherswillbeintoSaturator.UsingUSAFLECKautomaticmultiplevalve softenedwater,andthereisnohardnesswaterintothefollow-upsystem.Softenedwateroutletpipesetuponlinehardnesstester，inordertotestthehardnessindexoftheoutletwateratanytime，ifthewaterqualityshownun-standard,alarmwillring.MainEquipmentSoftenedwater1Duty1AutomaticQ=11m3/h22LHardnessdetectionalarmmeterSP-5101Softener1Soft1Float1SaltSaltSaturatorsupplythesaturatedwaterinthefollow-upsystem,ensurethefollow-upsysteminnormaloperation.Refinedsaltisdeliveredintosaturatorbyscrewconveyor,waterissoftenedbysoftenerafterthatsoftwaterisusingforsaltdissolvedinsaturator.Dissolvethesaltwithautomaticwaterdevicecontrolsaltlevel,thestartandupoftheinletelectricallyoperatedvalve.Whensaltlevelisdown,itwillfillupwaterautomatically.Atsametime,ithassaltlevelswitch,whensaltlevelisinlowerlevelcondition,thesystemwillremindthestafftoaddsalt.Thereisscrewconveyortoaddthesaltintosaturatorwiththesystem,operatorshouldonlyputrefinedsaltontheconveyorchargedoortocompletetheaddingsaltwork.Inordertofacilitatethemanagementandtransportation,thissystemhassetasideacertainsiteforsaltstriate,thestoragecansatisfiedthedosageof7days.Andneedtoaddsaltonceaweek..inordertoeasytoloadingandunloadinginfuture,Ownermayconsidertobeequippedwithaforklifttruckforloadingandthescrewconveyorandthesaltyard,fortheconvenienceoftheworkertoaddMainEquipmentSalt2Inletelectric28Y-type2LevelFloatlevel2Saltlevel2Screw2dby1Bridgedby1Dilutebrinedistributionsaturatedbrineinthesalt softenedwaterthroughcorrosionsaltsoftwaterpumpandwaterpump，Accordingtothescaleof1:10proportioningof3%dilutebrineasageneratorofelectrolytedistributionmodulesetintheelectricalconductivitymonitoringunit,monitoringofdosingpumps,controlgeneratorinletconcentration.MainEquipmentConcentratedBrineDilution2duty1ConcentratedBrine415V，50Hz，0.15kW，PP3BrineFlow3Inverter3Softwater3SoftwaterFlow33InletPressure0-4barStainlesssteeldiaphragmpressuregauge3BrineElectric3SoftwaterElectric3CoolingWaterElectric3CoolingWaterFlow3DilutionSystem3NaClOgenerationThismoduleismainlycomposedofsodiumhypochloritegeneratorrectifier。3%ofbrinepassedintoelectrolyserthroughpipeline,therectifierincellendstoloadsuitableDCcurrent,itwilldilutebrineforelectrolysis.Itcanproduce0.7%-0.9%concentrationofsodiumhypochloritesolutionwithhydrogen.Generatortechnical1)Produce2)ty：3sets（2duty1Electrolyticpipematerial：Highstrengthtransparentcorrosion oforganicglassTheanodematerial：titanium+DSAThecathodematerial：HighqualitypureConcentrationofsodiumhypochlorite：SystemadoptsPLCautomaticcontrolsystem,onlyneedtoaddsaltatordinarytimes,butwithouttakecareof.EachelectrolytictubehaspatenthydrogendeviceinordertoimproveEnergy-savingheatexchanger,ensuresthesummerandwinterextremetemperatureundertheconditionofnormaloperationofequipmentWatertemperaturesensorandLiquidlevelswitchisavailablewithelectrolyticlowFunctionofrectifiercabinetistotransformthealternatingcurrentintodirectcurrent(dc)losstotheelectrolyticcell.1）input2）ty：3sets（2duty1standby）3）Singlepower：240kW5）Chillingmethod：AirMainEquipmentNaOCl32duty1ElectrolyzingNT-L-40000,Capacityofavailablechlorine40Kg/h33HeatTitaniumtubeheat333Level3OutletElectric3UsedforDrainElectric313NaOClStorageandHydrogenseparatorMainlyconsistsofNaClOandhydrogenremovingfanStaticpressureliquidleveltransmitter.NaClOsetwaterinlet,wateroutlet,overflowpoint,uppersetaccessmanhole,airinlet,airoutlet,theliquidlevelmetermountinghole.Allnozzlesusingflangeconnection.Setstaticpressuretypelevelgauge.Staticpressuretypeliquidleveltransmittercanalwaysteststoragelevel.ThereisdetectiondeviceinHydrogenstorage,ensurethatthehydrogencontentintheairbelow25%Capacityof100m3storage,theexistingsystemcanstoreonlythedosageof10hours.Nowaddawith100m3storageforthesystemstability.Whenthesystemfailurecanbepreparedlongtimeforoperatortosolverepairproblem,ensurefollow-upsystemSethydrogenremovingblower,diluteH2tolessthan1%concentration,releaseoutsidesafely.Blowerisoneworkonestandby,whenoneblowerisfault,itcanautomaticallyswitchtoanotherone.Setpressureswitchatthebloweroutlet,thenthesystemalarmwhenthetwoblowersbreakdownatthesametime.MainEquipment100m3（FabricationonSteelrubber-lined）1Withtheadditionof ，thestorageabout20hoursinStaticpressurelevel221duty1Hydrogen2Pressuredifference ，0-2AcidcleaningAftertheelectrolysisforawhile,Ca2+,Mg2+isonscalingincathode,whenscalingseriously(cathodeandanodegettogether),itwillcauseashortcircuit.Anddamagetotheelectrode.Therefore,theneedforacidwashing,itwilleliminatescaling,protecttheelectrode,makesystemisatnormaloperateAcidcleaningsystemwithfullautomaticcontrol,itisoperatedthecleaningbyelectricvalveautomaticallyswitches.MainEquipmentAutomaticAcidWash11Acid2ElectricMagneticfloattypelevelgauge0-1NaClODosingsenttothedesignateddosingpointbypulsationdamper,canguaranteethestablewaterflow,reducethepumpbodywhenitgetfault,sodiumleveltoaverylowlevel,thesystemstopmeteringpumptowork,protectmeteringpump,andgetalarmsignal.Eachroaddosingpointsetelectromagneticflowmeterfordosingtyandon-linemonitoring,whenmeteringpumpgetfault,itwillgetalarmtostaffmaintenancemeteringpump,andthroughthemanualswitchingtosparemeteringpump.Mainlyconsistsofdosingpumpisoneworkonestandby.Selectedimporteddiaphragmmeteringpumpallhavestrongcorrosion MainEquipmentNaClODosingfeedchamberdosing43duty140-4Backpressure4Relief44DN401MFfeedpumpoutletdosingpump21duty1Inverter2pressure0-2Backpressure1Relief21DN401UVoutletdosingpump21duty1Inverter2pressure0-2Backpressure1Relief21DN401Dosingpump3PLCandSystemconfigurationaseparateautomaticpowerdistributioncontrolsystem,whichcouldbeseparaystart/stopwiththecorrespondingsystemequipment.AutomaticcontrolsystembyPLC,screenandsettheconfigurationsimple,convenientandreasonableman-machineinterface,staffoperateconveniently.MainEquipmentControlanddistributionGeneratorSystemscreenman-machineinterface1DosingSystemscreenman-machineinterface1Schneider1accessorysystemtestingInordertofacilitateoperationandmanagementinfuture,thesystemismatchedtwosetsofportabletestingequipment,respectivelyusedforleftchlorineandPHdetection.Theaboveequipmentcanfacilitateoperatorsmoreprecisemonitoringequipmentrunningstatus.Atthesametimeitcanalsobeusedinthesystemdetectionaftersystemacidwashingormaintenance.ThatwillmakethesysteminthebestrunningstateintheshortesttimethroughthedetectionMainEquipmentPortablepH1PortableResidual 1MainequipmentEquipment1Softenedwater11AutomaticQ=11m3/h22LHardnessalarmSP-5101Softener1Soft1Float12Salt2InletElectric28Y-type2LevelFloatlevel2Saltlevel2Screw2dby1Bridgedby13ConcentratedBrineDilution21ConcentratedBrine415V，50Hz，0.15kW，PP3BrineFlow3Inverter3Softwater3SoftwaterFlow33InletPressure0-4barStainlesssteeldiaphragmpressuregauge3BrineElectric3SoftwaterElectric3CoolingwaterElectric3CoolingwaterFlow3DilutionSystem34NaOCl321ElectrolyzingNT-L-40000,Capacityofavailablechlorine40Kg/h33HeatTitaniumtubeheat3Outlet33Level3OutletElectric3DrainElectric3135NaOClStorageandHydrogenseparator1Staticpressurelevel2211Hydrogen2 ，0-26AutomaticAcidWash11Acid2ElectricMagneticfloattypelevelgauge0-17NaClODosingfeedchamberdosing43140-4Backpressure4Relief44ElectromagneticflowDN401MFfeedpumpdosing2Inverter2pressure0-2Backpressure111Relief21DN401UVoutletdosingpump2Inverter28ControlanddistributionGeneratorSystemscreenman-machine1DosingSystemPLC，10’Touchscreenman-machineinterface1Schneider19SPAREThesealelementsofNaClOgenerator1Controlpanelof1Electriccurrent1Electricvoltage1level11SoftenedWater1H=8m,380V，50Hz，0.15kW，1Electric2Electric2Flow310-21DosingpumpSPARE2TestingPortablepH1PortableResidual 11Softenedwater11Duty213ConcentratedBrineDilution12Duty4NaOCl12Duty5NaOClStorageandHydrogen16AutomaticAcidWashSystem17NaClODosingSystem18ControlanddistributionSystem19Spart1Other1Payment 20%ofcontractvalueasadvancepaymentaftersigningthePay30%ofcontractvalueaftercompletingandsubmittingtherelevantdesignPay35%ofcontractvalueaftertheequipmentarrivedatthePay10%ofcontractvalueaftertheequipmentinstallationand5%ofcontractvalueasthedepositforguaranteeGuaranteeperiod:oneyearafternormalstart-Shipment：6monthsafterthecontractThispriceisCIFpriceandportofdestinationisSingapore,OwnershallberesponsibilityoftheCustomsclearanceanddutiesinSingapore.TapwaterinletpiperoutingprovidedbyPartyA, itisnotbelongtotheresponsibilityofourparty. EquipmentlinewithcableprovidedbyPartyA,itisnotbelongtotheresponsibilityofourparty.CostofSodiumhypochlorite manufacturingisnotincludedinthisCostofthecivilengineeringisnotincludedinthisAdoptsPLCautomaticcontrolEngineeringSaltnordertoensuretheusinglifeoftheelectrode,thesaltwhichdtothesodiumhypochloritegeneratormustmeetthefollowingmeasure:NaCl:99.3%undissolvedsubstance<calciumsulfate<magnesiumchloride<calciumchloride<magnesiumsulfate<lead<copper<ferrum<11fluoride12.consumptionWaterWaterquality：tapCapacityofoutputwater：12m3/h，capacityofcoolingwater：10m3/h(canusedrecycletotheclearwatersystem)。Rangeofinletwaterpressure：0.2-0.3MPa，WaterpressurestableandcontinuoussupplyRangeofinletwatertemperature：5-PowerOwnersupply4phase415V3phaseisforrectifiersupply,with415V,50Hz,powerrateperphaseis240Kw.1phaseisforcontrolcabinetsupply,with415V,50Hz,20Kw.EnvironmentandmotorroomEmperatureofenvironment0-40℃，Relativehumidity0-95Motorroomconditions:roomshouldbeflat,andshouldsetinaxialflowfanonroofsidewalls,ensurethattheroofhasagoodventilation,hadbettertoopentheventilationwindowinroom,generatorshouldbesetnearthewashbasin.ysisoftheoperationSCITECUnitrawmaterialconsumption SCITECsodiumhypochloritegeneratorACPowerconsumption：5.0-5.5kW·h/KgavailableSaltconsumption：3.5Kg/KgavailableWaterconsumption：125L/Kgavailableconsumptiondaily：Dosageofavailablechlorine8ppm，TreatmentwaterVolume23萬t/dCapacityofavailablechlorineneededdaily1840Kg。Powerconsumptionperday：1840x5=Saltconsumptionperday：1840x3.5EachrawmaterialunitAveragepowerprice:￥0.6/RefinedsaltDailyoperationPowercost：9200×0.6=￥5520Saltcost：6440×0.8=￥5152Totalcost：5520 EquipmentdepreciableYearl