講義文稿分析fuzhou is0350 sewage treatment system contract

OSROFuzhouUSC2x1000InformationCITProjectID:TFUZISN°Date:TOPIC/SUBJECT:Sewagetreatmentsystemr:JiangsuJingyuanEnvironmentalProtectionTotalPrice:2,730,800TheSpecificationsareapplicabletointegratedsewagetreatmentsystem(livingsewagetreatmentsystem,coalcontainedwastetreatmentsystemandoilsewagetreatmentsystem)equipmentanditsaccessories(includingcontrolsystemandinstruments)for2×1,000MWunitnewprojectofJiangxiDatangInternationalFuzhouPowerGenerationCo.,.,involvingthetechnicalrequirementsforfunctionaldesign,structure,performance,installation,testing,etc.oftheequipmentanditsaccessories.SystemoverviewandrelevantLivingsewagetreatmentstationmainlyprocesslivingsewagesdischargedfromntservicebuilding,mainbuildingsandauxiliary/accessoryworkshop,aswellaslivingsewagefromcanteenandotherarchitectures;thesystemisbuiltasper21,000MWunitcapacity,withdesignprocesscapacityof2×5m3/h( umprocessabilityof2×6m3/h);biologicalaeratedfiltertechnologyisadoptedintreatment;sewageaftertreatmentcanusedforvirescenceandcleaningatntareaordischargeduniformly,andsludgeisdischargedtoconcentrationofindustrialsewagetreatmentLivingsewagetreatmentstationisarrangedinthesouthofindustrialwastewaterstation,withatotalcoverageof162m2(18m×9m).Livingsewagetreatmentsystemwhole-setequipmentisindoorarrangement.TheSellershallprovideacompletecoalcontainedsewagetreatmentsystem,includingallequipment,valves,pipesandaccessoriesinthesystem;whole-setsewagetreatmentequipmentprovidedbytheSellercanworkindependentlyunderthecircumstancesthattheBuyerdoesn'tincreaseanytechnicalcomponents.Setwastewaterliftpumpataccidentcontaminated-oilbasintopbefore turbinehouse;outdoorarrangement.Coalcontainedwastewatercentralizedtreatmentincludesbutlimitedto:horizontalsedimentation,coalcontainedsewagetreatmentequipment,dosingsystemsludge-dischargesystem,waterpump,etc.Electricsingle-trackgrabcraneisfullyautomaticmaterial-grabwhole-setdevice,grabbucketcanimplementshutdownandoperationactionduringrise-and-fallprocess,grabslimewatercoalwater,andshallbeapplicabletocoalwater .Cranemainlyconsistsofactuatingdevice,actuator,windingsystem,loadhandlingdevice(grabbucket)brakeapparatus,etc.Electrichoistisadaptedincranesandliftingmechanism,whichishoistingmechanismthatintegratemotor,reductionmechanismandreels;duplexreelsisappliedasreelsandcoaxialreducerisadoptedindecelerationstripmechanism.Singletrackoperatingmodeisadoptedinactuatingmechanism,makingcraneshorizontalactivated.Operationalprocessofgrabbucket:Motorrotatesafterenergized,torqueoutputfrommotortransfertoreducerthroughcouplings,reachrequiredtransmissionratioafterdecelerationofreducer,reducerdrivesreelstorotate,makingsteelropewindingonthecoilingblockrotates,atthesametime,rotationofsteelturnintodiscementatupanddowndirection,steelropedrivesgrabbucketthroughpulleyblock,makinggrabbucketrealizeaseriesofactions,suchas,decline,opening,materialsgrabing,closing,andmaterialunloading.Oilysewagetreatmentstationislocatesinsewagetreatmentstation,withatotalcoverageofabout80m2(10m×8m).Indoorequipmentinoilysewagetreatmentstationmainlyincludessewageregulating monitoringandotherarchitectures.Undergroundarrangementisadopted,sewagetreatmentdevice,recoveredoil ,liftingpumpareinstalledatupperpartofwater ,whichsavescoveragearea.TechnicalTreatmentcapacityofdomesticsewagesystem:10m3/h;number:dividedinto2groups,eachgroupis5m3/h;workingmedium:domesticsewage,watertemperature:0-40℃.Treatmentcapacityofcoalcontainedwastewatersystem:40m3/h;number:dividedinto2groups,eachgroupis20m3/h;workingmedium:coalcontainedwastewater,watertemperature:0-40℃.Treatmentcapacityofoilwastewatersystem:10m3/h;number:dividedinto2groups,eachgroupisPage1sur[Page[PagePAGE2surworkingmedium:oilywastewater,watertemperature:0-TreatmenttechnologyandprocedureofdomesticBio-aerationfilter isadoptedintreatmentprocess,andtheproceduresare:domesticsewage→domesticsewagepumpwell(forcinglifting)→barscreen→sewageregulating →primarysettling aeratedfilter→backwash →reusedordischargedafterbeinguptothestandards.(abovegroundpartofconcentration isabout2.75mhigh)DomesticsewageoutletCoverageareaofwhole-setequipmentindomesticsewagetreatmentsystemshallnotexceedThereare2setsdomesticsewagetreatmentsystem,andtreatmentcapacityofeachsystem:Q＝5m3/h,50%ofwaterpumpsandfansareforoperationand50%ofthatformaintenanceandstandby.WaterqualityrequirementofinletandoutletInaccordancewithwaterqualityofsimilarwastewater,actualsituationofthePower nt,takenconsiderationthatsewagetreatmentsystemcanbearcertaindegreeofanti-waterloadfluctuations,inletwaterqualityofdomesticsewagetreatmentsysteminitiallydesignedas:Biochemicaloxygendemandforfivedays.Chemicaloxygendemand(CODCr)SuspendedsubstanceAmmoniaPhosphate(calculatedasperP)≤3.0mgAnimalandvegetableoil=375mg/l(tobedetermined,oilysewagefrontcanteenshallbesetwithoilDegreeoftreatmentofmaincontaminantsinthesewageisbasicfoundationtodeterminetreatmentprocess,whiledegreeoftreatmentmainlydependsonwaterstandardandenvironmentalcapacityofreceivedwaterofwastetreatmentnt,anddetermineitinaccordancewithrelevantstateandlocaldischargestandards.InaccordancewithgradeIdischargestandardsofnationalstandards,satisfiedwithrequirementsofenvironmentalassessmentreport,outletwaterqualityofthissewagetreatmentsystemshallreachthefollowingwaterqualityindexes:Biochemicaloxygendemandforfivedays.Chemicaloxygendemand(CODcr)Suspendedsubstance(SS)AmmonianitrogenAnimalandvegetableoilpHvalue6-Phosphate(calculatedasperP)≤0.5mgTotalorganiccarbon(TOC)Totalconliformgroup≤3Anionicsurfactant(piece/L)≤1ChromaDesigninletwaterpHvalueis6~9,andoutletwaterpHvalueis6-9,SSconcentrationofinletwatershallbelessthan150mg/L,SSconcentrationofinletwaterinshorttimeislargerthan300mg/L,SSofoutletwater≤10mg/L.Inletpipeofdomesticsewageispressurepipe,withpressurelessthantoimpactloadcapabilityoftheequipmentshallnotbelessthan120%ofnormalprocessingability;sewagetreatmentequipmentcanbeshutofforashorttimeandprocessedwaterqualityisqualifiedwithoutcommissioningwhenrestarted.Bio-aerationfilter hasafavorable toimpactloadandlowloadoperationeffect,andshallbeapplicabletopower ntdomesticsewage.Undernormaltemperature,designorganicloadingis1.8kgBOD5/(m3·d);particlefillerswithlargesurfacearea,highbiologicalconcentrationandstrongtreatmentabilityshallbeadoptedasparticlefillersinthe Takedenitrificationrequirementsintoconsideration,gaswaterratioinbio-aerationfilter is8：1.Sewagestopovertimeinbio-aerationfilter is3to3.5hours.Verticalcentersettling isappliedasprimarysettling ,andsewagestopovertimeis3h.Dosingsystemshallbewhole-setdevice:ABSmaterialvalvesshallbeadoptedinvalves,withworkingpressureofThemixerbearingsshallbeused,andtheservicelifeofallmixerbearingsunderfullloadandspeedisover3,000h.Allbearingsshallbelubricatedproperly,andthebearings canpreventthedustfrom[Page[PagePAGE3surenteringandthelubricatingoilAccordingtodifferentequipmentfunction,mixerimpelleradoptsturbinebladetypeandstraightbladegatetype.Selectedratioofmixerblade/vesseldiametershallbereasonable.Dosingsystemflow,pressureshallmeetsystemoutputrequirements,andleavecertaindegreemargin;takeconsiderationofgravitydosing,theSellershallsatisfyon-sitedosingrequirements.ABSpipesisadoptedindosing4.4.14Steelpipeisadoptedinsewageandwashingwaterpipeinthesystem;nodularcastironpipeshallbeadoptedinburiedpipelineofsludgepipe;weldedsteeltubeisadoptedinexposedpipeline;304stainlesssteelpipeisadoptedincompressedairpipe,UPVCpipeisadoptedinairdistributionpipelineinthewaterOilywastewatertreatmentOilcontentofsewageinletwaterprocessedbyoilysewagetreatmentsystem:shallmeettreatmentrequirementsofoilwastewaterwith0-100%oilcontentrate(inconsiderationofaccidentoildischargesituationat station,oil-waterseparatorofmainequipmentsshallbeabletooperateunderthecircumstancethatoilcontentis100%).Outflowoilcontentaftertreatment:satisfyrequirementsofgradeIstandardsofGB8978-2002IntegratedWastewaterDischargeStandard,andoutflowoilcontent≤5mg/L.Oilysewagetreatmentlocatesinsewagetreatmentstation,withatotalcoverageofabout80m2.Indoorequipmentinoilysewagetreatmentstationmainlyincludessewageregulating ,monitoring andotherarchitectures.Undergroundarrangementisadopted,sewagetreatmentdevice,recoveredoil ,liftingpumpareinstalledatupperpartofwater IncludingcoalwastewatertreatmentCoalcontainedsewagetreatmentequipmentarearrangedatcoalcontainedsewagetreatmentstation,withatotalcoverage(width)×(length)=28m×74m(tentative).MaintechnicalrequirementsforcoalcontainedwastewatertreatmentCoalcontainedwastewatertreatmentsystemincludeswastewaterstorageandadjustmentsystem,treatmentsystem,dosingsystem,sludgesystem,coalslimemummificationandrecyclingsystem.TheSellersha