10Toncryogenicliquidoxygenplant
Technicalscheme
HenankenuoenergyplantCo.,ltd.
Ericzhang
Tel&whatsapp；008618903789688
Emai：kenuonengyuan@126.com
September11,2018
one、Performanceindex,processflowandutilityconditions
1.1performanceindex
1.1.1liquidoxygencapacity,purityandpressure
Product capacity purity Pressure
MPa(G)
（outlet） note
Liquidoxygen 10t/d ≥99.6% ≥0.20
1）AllunitsofcapacityNm3/haremeasuredat0Cand0.1013MPa(A)undertheconditionofvolumeflow,knownasthestandardflow,thesamebelow.
2）Thedevicehas75to105%outputregulationcapability.。
3）Liquidoxygenandliquidnitrogenproductscannotbeproductinthesametime
1.1.2 Feedair 1800Nm3/h
Airpressure 1.20MPa(A)
1.1.3 returnairquantity 1800Nm3/h
Outletpressure 1.20MPa(A)
1.1.4 Continuousoperationtime Morethan2years
1.1.5 HeatingThawingTime ~16hours
1.1.6 Startingtimeoftheunit(fromtheexpansionoftheexpandertothepurityoftheliquidoxygen). ~24hours
Two.Summaryofprocessflow(refertoprocessflowchart)
Beforeenteringthecentrifugalaircompressor,theairissuckedintotheairfiltertoremovedustandparticulateimpurities,andthencompressedintotheaircompressor.Thecompressedairiscooledbetweenstagesbytheintermediatecooler.Aftertheaircompressorreaches1.1MPa,theaircompressoriscooledintotheair-conditioningunitto5degreesCelsius.Afterseparatingthefreewater,itentersthemolecularsieveforadsorption.Cleananddryaircanbeobtainedbyremovingwater,carbondioxideandsomehydrocarbonsfromtheair.Twoadsorbersareusedalternately,oneadsorberadsorbsimpurities,andtheotheradsorberregenerateshigh-temperaturewastenitrogen.
Aftertheaircomesoutoftheadsorber,itclearsthedustthroughthefilter,andthenthepurifiedairentersthemainheatexchangeroneway,expandstheexpanderfromthemiddleofthemainheatexchangertomakerefrigeration,andthenventsit.Theotherwayentersthemainheatexchanger,whichiscooledtothetemperaturenearthedewpointandthrottlesitintothelowertower.
Cooledairentersthelowertowerforrectification.Theairenteringthelowertowerevaporatestheliquidonthetraythroughthetray,andmorenitrogenvaporizesoutoftheliquid.Theairpassingthroughthetraycondensestheoxygenintheairduetotheexchangeoflatentheat.
Asaresult,theoxygencontentintheliquidatthebottomofthelowertowerincreases,whilethenitrogencontentinthesteamincreases.Nitrogenisexchangedwithliquidoxygenatthebottomoftheuppertowerthroughacondensingevaporator.Theliquidoxygenisevaporatedandthenitrogeniscondensed.Someofthecondensatedliquidnitrogenwaspartiallyreturnedtothelowercolumnasrefluxliquid,andtherestoftheliquidnitrogenwascoldthrottledandenteredtheuppercolumnfordistillation.
Theoxygen-enrichedliquidwasextractedfromthebottomofthelowertowerandsupercooledinthesupercooler.Afterthrottling,theoxygen-enrichedliquidwassenttothemiddleoftheuppertowerforreflux.
Theliquidoxygenisextractedfromthebottomoftheuppertowerandsenttothecoldboxasaliquidoxygenproduct.
Thewastenitrogengasisextractedfromthetopoftheuppertower,heatedbythecooler,expandedbythecryogenicexpander,thenexpandedintothemainheatexchanger,andthendischargedfromthecoldbox.Apartofthenitrogengasentersthepurificationsystemastheregenerationgasofthemolecularsieveadsorber,andmostofitreleasestheatmosphere.
2.2Designbasisandutilityconditionofairseparationunit
2.2.1weatherconditions
1）airtemperature
Annualmeantemperature 30℃
Extrememaximumtemperature 30.4℃
Extrememinimumtemperature -10℃
2）Atmosphericpressure
Annualmeanatmosphericpressure 98KPa
3）humidity
Annualmeanrelativehumidity 80%
4）seismicintensity 7
5）Qualityofrawgas(molarpercentage)
O2 35%
N2 62.7%
Ar 2.3%
Dewpoint -70℃
2.2.2Utilitycondition
1）Circulatingcoolingwater
Watersupplycapacity 150m3/h
Inletwatertemperature ≤30℃
returnwatertemperature ≤40℃
Watersupplypressure 0.40MPa（G）
pressureofreturnwater 0.20MPa（G）
Foulingcoefficient 0.0006m2·h·0C/kcal
1）power
AC10kV±10%50±0.5Hz three-phaseandthree-wire(≥800KW)
AC380V±10%50±0.5Hz three-phaseandfive-wire(≥200KW)
AC220V±10%50±0.5Hz single-phaseandthree-wire(≥10KW)
Three,equipmentsupplyscopeandmainequipmentlist,technicalparameters.
3.1Descriptionofsupplyscope
? Accordingtotheprincipleofsinglemachinesupply,PartyBprovidesacompletesetofequipmentfor10TPDcryogenicliquidoxygenairseparationunit.
? Principlesforasingleunitincludeacompletesetof10TPDcryogenicliquidoxygenairseparationunit,singleandauxiliaryequipment,pipes,valvesandthecorrespondingchassis,brackets,anchorbolts,nuts,importandexportflanges,coldboxpipes,valvesandfittings.
? Boundaryarea:thecontractinstallationareaisdrawnfromrawgastoliquidoxygendeliveredtotheproductwhichmeetsthequalityrequirements.TheliquidoxygenproductssuppliedbyPartyBaredeliveredtostoragetanks.
? Theprojectincludesequipmentdesign,manufacturing,packaging,transportationtoShanghaiPort,China,connectionpipesrequiredforthecontractualinstallationboundary,pneumaticcontrolvalves,fieldinstallationofinstruments.
3.2、masterequipmentlist
KFL
No. Nameofequipment Brand/factory model quantity
1. Turboaircompressor IHI/sumsung 1set
2. Aircoolingsystem Bainian 1set
3. Absorber KENUO 2set
Electricheatingfurnace KENUO 1set
4. Coldbox KENUO 1set
5. Expander 2set
6. Cryogeniccoolingsystem Bainian 1set
7. electriccontrolsystem KENUO
1set
et
8. Automaticoperationcontrolinstrumentsystem KENUO PLC-S7-313C 1套
9. Allinstallationmaterialsintheboundaryarea:controlcabinettoequipmentconnectioncable,connectionpipeline,instrumentcable,coolingwatersystempipelinevalvesintheboundaryarea,insulationmaterials,etc.
3.3、Mainequipmenttechnicalparameters
3.3.1Turbineaircompressor1台
TYPE turbine
MODEL
Airinletpressure(KPaA) 98
Inlettemperature(0C) 30
relativehumidity(%) 80
Coolingwaterinlettemperature(0C) 32
Outletpressureofcompressorflange(Mpa(A)) 1.2
Exhausttemperature(0C) ≤40
Compressorexhaustflow(dry) 3600Nm3/h
Coolingwaterconsumption(T/H)80Ctemperaturedifferencebetweengasandwater
(includingprimaryaircoolerandoilcooler). 45℃
Drivingmotorpower(KW) 428KW
PowerKW 500KW
Oilcontentofexhaustgas 100%nooil,haspassedTUV0gradeoilfreecertification(ISO8573-1)
Mainmotor10kv1300HP 1set
Brand IHIsumsung
3.3.2aircoolingequipment1set
Model SAYL-3600/10W
Airflow 3600Nm3/h
Inlettemperature ≤40℃
Inletpressure ≤1.05MPa（G）
Cooling-downmethod Watercooling
Power AC380V/220V，50HZ
Workingenvironmenttemperature ≤39℃
Outletairtemperature 5～8℃
Ratedinputpower 22.2KW
Motorpower 35HP
Nominalflangepressure 1.6MPa
Pressureloss ≤0.02MPa
Cryogen R22
controlmode PLC
Coolingwaterpressure 0.2～0.4MPa
Coolingwaterinlettemperature ≤32℃
Coolingwaterflow
28m3/h
Installationmethod Levelingcementfloorwithoutfoundationinstallation
Scopeofsupply
Brand：suzhoubainian
3.3.3Molecularsievepurificationsystem1set
Model HXK-3600/11
Airflow 3600Nm3/h
Workingpressure ≤1.1MPa
Airinletpurifiertemperature 10℃
outlettemperature 16℃
Regenerativetime 4hAutomaticswitching
Regenerativetemperature 170℃
Airqualityafterpurification CO2content≤1PPm
H2Odewpoint≤-70℃
Powerofelectricheater 75kW（Averagepower24kw）
Mainsupplyscope:
Molecularsieveadsorber 2set
Adsorbents Alumina/Zeolite
Electricheater 1set
Internalpipe 1set
Purifieremptyingmuffler 1set
Solenoidvalve ASCO
Automaticswitchingvalve(discvalve) 1set
Automaticcontrolvalve(reliefvalve,equalizingvalve) 1set
supplier Henankenuo
Adoptingtheinterlockcontrolofregeneratedgasflowandelectricheaterstartingandstopping,thelong-termsafeoperationofregeneratedgaselectricheaterisfullyguaranteed,andtheelectricheaterisdividedintotwogroupsfor4hoursautomaticswitchingcontrol,fullymeetingtherequirementsofenergysaving.
Theelectricheatingtubeadoptsauniqueroddesigntoensurelowfailurerateandeasydisassembly.Whentheelectricheatingtubefails,itcanbeextractedbysinglerootandreplaced.
HangyangKosopneumaticswitchingbutterflyvalveisusedfordoubleeccentricityandhightemperatureresistance;2-position5-waysolenoidvalveproducedbyASCOcompanyensuresthepurifierstableoperation.
3.3.4Distillationcolumn1set
Model YON-10ton
Ratedprocessingairvolume 3450Nm3/h
Airenteringtowerpressure 1.014MPa
Ratedliquidoxygencapacity 10ton/day
Purityofliquidoxygen Morethan99.6%
Liquidoxygenoutletpressure Morethan0.20MPa
type Formofsievetray
weight 8000It
Shapesize(longxwidexhigh) 2200X2000x15000mm
(accordingtothefinaldesign)
manufacturingenterprise HenanKenuo
Mainsupplyrange:
Mainheatexchanger 1Taiwan(SuzhouSanChuan)
Supercooler 1Taiwan(SuzhouSanChuan)
evaporatorcondenser 1Taiwan(SuzhouSanChuan)
Distillationcolumn 1platform
Pneumaticlowtemperaturecontrolvalve 1set
Manuallowtemperaturevalve 1set
Coldboxshell 1platform
Support,tubeframe,valveframe 1set
Towerpipe 1set
Evaporativevaporizerforresidualliquid 1platform
?Thevalveadoptsstainlesssteelconnectingplate,valveinternalsandhighstrengthweldedaluminumbody,whichcanavoidtheerosionofvalveconnectioncausedbystemsweatingandfrosting.
?Thecoldboxisassembledcompletelybythemanufacturertoreducetheworkloadoffieldinstallation.
?Three-dimensionalpipingdesignisadoptedtoensurereasonableandappropriatestresscompensationforthepipelineinthecoldbox.
Twosetsof3.3.5turbochargingturbineexpansionunit
No.1expander
Medium compressedair
Expansiveendflow 1650Nm3/h
Suctionpressureofexpansiveend 1.17MPa(A)
Expelledenddischargepressure 0.13MPa(A)
Suctiontemperatureofexpansiveend 150K
No.twoexpander
Medium Foulingnitrogen
Turbochargedendflow Fanbrake
Pressurizedendsuctionpressure Atmosphericpressure
Suctiontemperatureofsuperchargedend 40Centigrade
Expansiveendflow 1500Nm3/h
Suctionpressureofexpansiveend 0.335MPa(A)
Expelledenddischargepressure 0.13MPa(A)
Suctiontemperatureofexpansiveend 106K
Mainscopeofsupply
Expanderbody 2set
Lubricatingoilsystem 1set
Sealgassystem 1set
Pipeandvalveaccessories 1set
Randomspareparts 1set
Special-purposetools 1set
Manufacturer SuzhouWestDa
3.3.6AirCryogenicChiller
Model
Airhandlingcapacity 1650Nm3/h
Intaketemperature Lessthan-20C
Airinletpressure Lessthan1.05MPa(G)
Coolingmode water-cooling
PowerSupply AC380V/220V,50HZ
Adapttoworksystem Continuouswork
Workingenvironmenttemperature Lessthan39degreescentigrade
Exitairtemperature -35Centigrade
Ratedinputpower 12KW
Motorpower 20HP
Flangenominalpressure 1.6MPa
Pressureloss Lessthan0.02MPa
Cryogen R22
controlmode PLCcontrol
Coolingwaterpressure 0.20.4MPa
Inlettemperatureofcoolingwater Lessthan32degreescentigrade
Coolingwater 10m3/h
Installationmethod Flatcementgroundwithoutfoundationinstallation
3.3.7HorizontalLiquidOxygenCryogenicStorageTank
Model CFL-10/0.8
Medium liquidnitrogen
Volume 10.5m
Designpressure 0.84MPa
Workingpressure 0.80MPa
MaterialScience Internalbile:S30408outergallbladder:Q245R
Shapesize ~1800mmx4000mm
manufacturingenterprise BeijingJinHaixinPressureVesselManufacturingCo.,Ltd.
3.3.8LiquidOxygenCryogenicPump
Model BPO-300/100
Medium liquidoxygen
flow 300L/h
Importpressure 0.2~0.8MPa
Exportpressure 10.0MPa
Motorpower
manufacturingenterprise
Asetof3.3.9vaporizer
Model QHQ-300/100
Medium liquidoxygen
flow 300Nm3/h
Importpressure 0.2~0.8MPa
Exportpressure 10.0MPa
Asetof.3.10fillingsets
Model CG-10
Medium oxygen
Fillingheadnumber 10individual
Workingpressure 10.0MPa
Airtightnesstestpressure 20.0MPa
Four,aninstrumentandcontrolsystem
1Designprinciples
1)Instrumentandcontrolsystemshouldeffectivelymonitortheproductionprocessofthecompletesetofairseparationequipmenttoensurereliableoperationandconvenientoperationandmaintenance.
2)AdoptingPLCsysteminthecentralcontrolroom,combiningthesidepanelinstrumentandlocalinstrumentcontrol,thewholeinstrumentcontrolsystemensuresreliabilityandadvanced.SiemensPLCsystem,S7-313Cseries,thethird-partyinterfaceusingPROFIBUS/DPprotocol,opticalfiberaccessinterfacemoduleandopticalfiberprovidedbyPartyB.
3)thesystemloadisnotmorethan60%,thecontrollerpowersupplyisuniformlyload,thecontrolnetworkredundancy,thecommunicationbusloadisnotmorethan40%,andtheIOpointmarginistwentypercent.Thecomputerdisplayisequippedwith22inchesand2sets.Itcanmonitorandoperatetheprocessparametersoftheairseparationunit,andhasthefunctionsofdisplay,operation,adjustment,memory,startinginterlockandprotectioninterlocking.Theinterlockingprotectionwillautomaticallystartandstopaccordingtotheprocessrequirements,openorclosethevalve,andmanuallyoperatetheequipmentonoroff,orchangetherunningstate.
4)centrifugalcompressoradoptsin-situPLCcontrol,insitudisplayandoperation,andprovidescommunicationinterfacewithmaincontrolroomcomputercontrolsystem(RS485,PROFIBUS-DP);themainsinglemachinesetuptheinstrumentcabinetbesidethemachine,displayssomeparametersinthesidecabinet,andcarriesoutoperation,alarmandchain;circulatingwater,precoolerandmolecularsievepurification.PartofthesignalintothePLCsystem.
5)allsystemsoftwareislicensed,includingMicrosoftWINCC7.0SP2'sgenuinecomputeroperatingsystem,SIEMENSPLCsystemsoftware,maincontrolplatformsoftware,engineerstationprogrammingsoftware,human-machineinterfaceconfiguration,monitoringsoftware,andsoon.
6)Theanalysisroomisequippedwithacompletesetofon-lineanalyzercabinetsforsupply,andthemaindataaresenttothecentralcontrolroomfordisplay.
SIEMENSPLC-S7-313CSystem:
OperatingStation:AnEngineerStation,anOperatorStation;IndustrialComputer(YanhuaTechnology),22"LCD,printer.
Thecomputersystemisconfiguredasfollows:
DELLIntelG20202.9GHz/2GDDR31600MHz/500GSATA
7200/DVDRW22LCDA4printer
Controlstation:cabinet(includingallkindsofcards,terminalboardsandcommunicationcables).
Including:powermoduleCPUcontrolmodulecabinetAIinputmoduleRTDinputmoduleAOoutputmoduleDIinputmoduleDOoutputmodule
DCSsoftware(real-timemonitoring,systemconfiguration,flowchartmaking,reportmaking)
OtherfunctionalsoftwareneededforthewholeDCSsystemprogramming
Avarietyofprocessors,communicationcables,supportingterminalboardsandotherhardwareequipment
2.Typeselectionofinstruments
1)ThedifferenceofpressuretransmitterandpressuretransmitterareadoptedbyYokogawaEJA.
2)Two-positionthree-wayandtwo-positionfive-waysolenoidvalvesaremanufacturedbyASCO.
3)TheanalyzerismadeofSiemensandShanghaiViagraproducts.
4)TemperaturemeasuringelementsadoptPt100indexarmoredplatinumthermalresistance,coldboxadoptdoublearmoredplatinumthermalresistance.
5)thelocalpressuregaugeusesaspringtubepressuregauge.
6)ExpanderspeedmeasurementusingJiujiangElectricPowerPlantDTZ-C-101tachometer,sendstandardsignalintothesystem.
3.Primaryinstrumentationandcontrolvalves(quantitiesbasedonfinaldesign)
3.1.Themainoneinstrument
Pressuretransmitter 14Only(SichuanEJA)
Differentialpressuretransmitter 10Only(SichuanEJA)
Platinumthermalresistance 13Only(Shanghaiautomationinstrumentthree)
Speedtransmitter 2Only(Shanghaispeedinstrumentfactory)
Orificeflowmeter 6Only(Hangzhou)
In-situpressuregauge 5only
In-situthermometer 5only
3.2.Controlvalve
*cylindertypecutoffbutterflyvalve 1Set(U.S.Bray)
*solenoidvalve 1(AmericanASCO)
*lowtemperatureregulatingvalve 1Set(hangoxygen)
*normaltemperatureregulatingvalve 1(threepartyofZhejiang)
3.3.Analysisinstrument
Oxygenanalyzer 1platform
purpose On-lineanalysisofoxygenpurity
Model CY-688L
manufacturingenterprise ShanghaiChangAiElectronicTechnologyCo.,Ltd.
Dewpointanalyzer 1platform
purpose Thedewpoint
Model GNL-DP1
range -100Centigradeto+20C
manufacturingenterprise ShanghaiChangAiElectronicTechnologyCo.,Ltd.
CO2analyzer 1Table(userselection)
purpose CO2content
Model ULTRAMAT6
range 0~5ppm
manufacturingenterprise Siemens
4,informationandtechnicaldocuments
4.1Preliminarydesign
4.2Instrumentlist
4.3Alarminterlocklist
4.4Layoutofthefrontsidecabinet
4.5Processflowchartwithcontrolpoint
4.6.Finaldesign
4.6.1Instrumentlist
4.6.2Frontallayoutdiagram,electricalschematicdiagram,gasconnectiondiagram,cabinetwiringdiagram(includingterminaldiagram)
4.6.3Regulatingvalvedatasheet
4.6.4Alarminterlockinglist
4.6.5Processflowchartwithcontrolpoint
Five.DesignandsupplyofelectroniccontrolsystemRange
5.1designconditions
1)Highvoltagepowersupplyis10kV+10%,50HZ+0.5HZ,three-phasethree-wiresystem,neutralpointisnotgrounded,themaximumshortcircuitcapacityisMVA.
2)Low-voltagepowersupplyis380/220V,50HZ+0.5HZ,three-phasefour-wiresystem,neutralpointisdirectlygrounded.
5.2designscope
1)PartyBisresponsiblefordesigningtheelectricalsinglelinediagram,electricalcontrolschematicdiagramandterminaldiagramofalltheelectricalequipmentsuppliedbyPartyBinthisairseparationplant.Themaincontentsare:centrifuge,aircirculationcompressor,airpreheater,cryogenicrefrigerator,purificationsystemandsoon.
2)theequipmentlayout,powerandcontrolwiring,lightningprotection,grounding,lightingandinstallationmaterials,scaffolds,etc.,whicharerequiredbytheproject,shallberesponsibleforthedesignbytheengineeringdesigner,andPartyBshallraiserelevantrequirements.
5.3designprinciples
1)Theelectroniccontrolequipmentoftheairseparationunitshouldbereliable,safe,advancedandeasytooperateonthepremiseofmeetingthedesignconditionsandtechnologicalrequirements.
2)Thecontrol,measurement,protectionandsignalofallmotorsandelectricalequipmentshallbesetupinaccordancewiththerelevantregulationsoftheState.
3)thereareoperatingcabinets(boxes)neareachunit,andtheoperationcabinet(box)unitsare:airfilters,aircompressors,aircirculationcompressors,airprecoolingunits,cryogenicrefrigerators,purificationsystems,etc.
4)Themolecularsieveelectricheateriscontrolledbythyristorvoltageregulatingdevice(powerregulatingcabinet).
5.4ScopeofSupply:(Basedonfinaldesign,suppliedbyPartyB)
1)ACUPS(maintenance-freebattery,6kvA,0.5h)1set(Sander,USA)
2)Onesetofhighandlowvoltagecontrolcabinet
3)Onesetofon-siteoperatingtable(column,cabinet)
5.5deliveryoftechnicaldocuments
1)electricsinglewirediagram
2)anelectricequipmentlist
3)Electricalcontrolschematicdiagram,terminaldiagram(indicatingthedirectionofthecable),wiringdiagram.
4)externalsizeandinstallationsizeofcontrolequipment
5)electricloadmeter
6)instructionsfortheuseoftheChineseversionofimportedequipment
7)equipmentfactorytestrecord
Six,performanceguarantee
1,thebasisofperformanceassurance
1.1Thedesign,construction,installationandcommissioningexaminationofthecontractedequipmentshallbebasedonthetechnicaldocumentsprovidedbyPartyBinaccordancewiththesupplycontract.
Therequirementsintheprocessarebasedonthebasis.
1.2PartyAprovidespublicworksconditionsandsufficienttrainingofqualifiedoperatorsforcommissioningofthecontractedequipment.
WorkundertheguidanceofPartyB'spersonnel.
1.3Inperformanceevaluation,theguaranteedvalueofconsumptionindexdoesnotincludetheconsumptionoffans,heating,airconditioningandintermittentusers.
2,performanceguarantee
Theperformanceoftheairseparationunitisasfollows:
medium Assessmentcondition purity PressureMPa(G)(outofboundaryarea) Remarks
liquidoxygen 10Ton/day Morethan99.6% Morethan0.20
3.Executeaccordingtothecurrentstandardofenterprisedesign,manufactureandinspection.Qualityandtechnicalrequirements
4.Timeforperformanceassessment
1)Inthecaseofproduction,whenthedevicereachestherequiredstableoperatingconditions,itshouldimmediatelycarryoutperformanceevaluationfor48hourswithoutinterruption,andthecapabilityoftheequipmentshouldreachtheperformanceguaranteevalue.
2)Duringtheinspectionperiod,theequipmentandmaterialsshallbeoperatedbyPartyA'spersonnelunderthesupervisionofPartyB'scommissioningexperts.
3)Allreadingsonallinstrumentsandanalyzersshallberecordedeveryhourduringtheacceptanceandexaminationperiod.Thearithmeticmeanofthereadingsperhourwastakenasthemeasuredvalue.Representativesofbothpartiesshallverifyallmeasurementsandrecordthemonarecordsheetwhichisvalidforbothparties.Thetwosidesaresenttogetherwiththecalculatedvalueandthecorrectedvalue.PartyBwillalsogetacopyoftheserecords.
4)Thecorrectionsofatmosphericpressure,airtemperature,relativehumidityandcoolingwatertemperatureareconsistentwiththecalculations.
5)Iftheperformanceevaluationisforcedtobeinterruptedduetonon-PartyBreasons,oncethedeviceisrestoredtostableoperation,cancontinuetoconduct48hoursofassessment.
6)IftheperformanceassessmentisforcedtobeinterruptedduetoPartyA'sresponsibility,theperformanceassessmentshallbere-conductedfor48hours.
7)Aftersuccessfulcompletionoftheaboveacceptanceexamination,PartyAshallsubmittoPartyBacopyoftheequipmentandmaterialperformanceacceptancecertificatesignedbybothparties.
5,measurementmethodandmeasurementpoint
Allflowrateswillbemeasuredatthecoldboxoutlet(productoutlet)usingthedeviceflowmeterandlevelmeterandreadthroughPLC.Thecalibrationandvalidationofanalyzersandflowmetersshallbecarriedoutpriortotheperformanceevaluationandthepresenceofrepresentativesofbothpartiesshallberequired.
5.1Gasflow:Theorificeplateflowmeterisusedtomeasurethegasflowrate,andthetemperatureandpressureparameterscanbecorrectedwhenmeasuring.
5.2Gaspurity:Determinedbyautomaticanalyzerandcalibratedbystandardgas.
5.3Gaspressure:measuredbypressuretransmitterorpressuregauge
5.4GasTemperature:PtThermalResistanceandDigitalThermometer
5.5Powermeasurement:
Forpowerconsumptiondevices:thepowermeterinstalledonthedistributioncabinetisusedtomeasure.Duetothedeviationofenvironmentalanddesignconditionsandthemeasurementaccuracy,theactualmeasuredpowerwillbecorrectedappropriately.Theaccuracyoftheexaminationdataandthechangeofproductandefficiencycausedbythedifferencesinthedesignenvironmentconditionswillbecorrectedaccordingtothelatestinternationalstandardsormanufacturingplantstandards.
6equipmentshelflife
Fromthedateofacceptance,thequalityguaranteeperiodisoneyearor18monthsfromthearrivalofthelastbatchofgoods,whichevercomesfirst.Duringthisperiod,thesuppliershouldpromptlycooperatewiththerepairandsettlementoftheequipmentduetoqualityproblemsandequipmentfailuresduetothesupplier'scauses.Thesupplierwillarriveatthesitewithin24hoursafterreceivingthenotification.
Seven,qualityassuranceandafter-salesservice
HenanKenuoairseparationequipmentTechnologyCo.,Ltd.ismanagedstrictlyaccordingtotheISO9001qualityassurancesystem.Thereareprofessionalswhosupervisethedesign,manufactureandserviceofproducts,andtrackandfeedbacktheproductsthathavebeensoldregularly.Ouraimistostrengthenservices,keepmakingprogress,anddoourbesttomeettherequirementsofcustomers.ThequalityassuranceandservicecommitmentforthecompletesetofequipmentprovidedinaccordancewiththerequirementsoftheISO9001qualityassurancesystemareasfollows:
1.Aseriesofprocedures,suchasdesigninput,designoutput,designreview,designverificationanddesignconfirmation,arestrictlycontrolledinordertoensurethequalityofproductdesign.
2.Drawupthedesignworkplan,stipulatetheimplementationresponsibility,holdthedesignworkconference,ensurethatthedesignworkiscompletedonschedule.
3.Strictcontrolshallbeexercisedoverthepurchaseofrawandauxiliarymaterials,outsourcingandoutsourcingpartsrequiredforthemanufactureofproductsandservices,soastoensurethatthematerialspurchasedmeettherequirements.
4.Inthewholeprocessofproductionandservice,theinspectionandtestingofproductsshouldbecontrolledtoensurethatunqualifiedproductsarenotputintouse,processedandmanufacturedwithoutinspectionorverification.
5.Acompletesetofequipmentflowchart,processflowchartandbasicdrawingwillbeprovidedfreeofchargeafterthecontractcomesintoeffecttoensurethesmoothprogressoftheprojectdesign.
6.Aftertheequipmentarrivesatthesite,PartyBopenstheboxwithPartyAafterreceivingthewrittennoticefromPartyAandcountstherandompackinglistprovidedbyPartyBonebyone.
7.Freeofchargetoprovideuserswithon-siteguidanceforinstallationandjointdebugging.
8.Aftertheequipmentisdebuggedandqualified,theequipmentshallbetransferredtoPartyAafter72hoursofstabilizationtogetherwiththerelevantpersonnelofPartyA.
9.Theguaranteeperiodoftheequipmentis24monthsofnormaloperationor36monthsofthedateofdelivery.
10.PartyBwillsupplyallkindsofsparepartstoPartyAandprovidelife-longservicetothewholesetofequipment.Itwillalsoundertaketheworkoftheequipmentandensurethatusershavenoworries.
11.Thesuppliercarriesoutaone-stopservicetosales,technologyandafter-saleservice.Ithasdedicatedtrackingtothecustomerservicedepartmentoftheproductsthathavebeensold,andunderstandstheoperationoftheproductsintime,andsolvesthedifficultiesoftheusers.
12Aftertheoperationoftheequipment,whetheritisthemanufacturingqualityproblemortheimproperuseofPartyA,PartyBwillreplywithin4hoursafterreceivingthenotificationfromPartyA,andsendthestafftothescenewithin72hoursifnecessary,sothatPartyAissatisfied.
Eight.Trainingofpartyapersonnel
1.TrainingforthetechnicalpersonnelofPartyA
PartyBshallprovidefreetechnicaltrainingandservicestoPartyA'stechnicalpersonnelincluding,butnotlimitedto,thefollowingnecessarytechnicaltrainingandservices.
1)makethetechnicalpersonnelofpartyafamiliarwithandmasterthetechnologicalprocess,unitequipment,machinestructureandworkingprinciple,andoperationandmaintenanceofthedevice.
2)PartyBwilltrainexperiencedpartymemberswhoareexperiencedandskilledinguidingtheinstallation,commissioning,operationandmaintenanceofthecontract,includingteachingrelevantknowledgeandknow-how,andgivingdetailedanswerstothetechnicalproblemsraisedbyPartyA'stechnicians.
3)Inordertoensuretheefficiencyandeffectivenessofthetraining,PartyBshouldprovidetrainingmaterials,organizevisitstosimilardevicesandpractice.PartyAtakescareofthecostofvisitingandinternship.
2.TrainingfortheoperatorofPartyA
1)PartyBshallsendfreeexperiencedengineerstoexplaintheprocessandoperationtrainingofthecontractequipmentforPartyA'stechnicians,andguideordemonstratethepossibleoperatingconditions,adjustmentproceduresandmethodsofthecontractinstallation.
2)PartyB'sactualoperationtrainingforPartyA'soperatoriscarriedoutbyPartyB'son-sitecommissioningtechnicalteam,includingthejointstart-upofthedeviceandtheadjustmentofvariousparameterstoensurethestableoperationofthedevice.
3)PartyBshallprovidePartyAwithsimilaroperationequipmentforPartyApersonneltraining.
Ninestandardspecificationandqualitycontrol
1PartyBshallcomplywiththeexistingstandardsandspecificationsofthestate,industryandfactoriesforthedesign,materialselection,manufacture,inspectionandtestingoftheequipmentsupplied,andtheotherprovisionsstipulatedinthecontractshallbeexecutedaccordingtothecontract.
2PartyBshallprovidePartyAwiththequalitycertificate,inspectionandtestrecordoftheequipment(onecertificateissuedbythesupervisionandinspectiondepartmentofthepressurevessel).
3Standardofexecution
(1)airseparationequipment
JB/T7672-1995 GraphicSymbolsandCodesforFlowChartsofAirSeparationEquipment
(2)pressurevessel
2009edition "Supervisionregulationsforsafetytechnologyofpressurevessels"
GB150-2001 Steelpressurevessel
JB/T4734-2002 Aluminumweldingcontainer
(3)heatexchanger
JB/T7261-94 "Technicalconditionsforaluminumplatefinheatexchanger"
(4)turboexpander
JB/T6894-2000 Technicalconditionsforturbochargingturbineexpander
(5)gb14,97-8 "Basicstandardoflowvoltageelectricalapparatus"
(6)JackB/T4.7,11-2003 "Pressurevesselcoatingandtransportationpackage"
(7)Jack23-9 GeneralSpecificationforConstructionandAcceptanceofMechanicalEquipmentInstallationEngineering
(8)jackjack29-9 CodeforConstructionandAcceptanceofInstallationEngineeringofCompressor,FanandPump
(9)gb50,27,4-8 CodeforConstructionandAcceptanceofInstallationEngineeringofRefrigerationEquipmentandAirSeparationEquipment
(10)H-G-20-2-80 "SpecificationforconstructionandacceptanceofdegreasingEngineering"
(11)g.B.126-1980s CodeforConstructionandAcceptanceofInsulationEngineeringforIndustrialEquipmentandPipes
(12)gb50,23,5-7 CodeforConstructionandAcceptanceofIndustrialMetalPipelineEngineering
(13)gb50,236-8 CodeforConstructionandAcceptanceofWeldingEngineeringofFieldEquipmentandIndustrialPipeline
(14)gb50,18,4-9 StandardforInspectionandEvaluationofInsulationQualityofIndustrialMetalsandPipelines
(15)JB/Z167-89 Technicalspecificationforargonarcweldingofaluminumairseparationequipment
;
10Toncryogenicliquidoxygenplant
Technicalscheme
HenankenuoenergyplantCo.,ltd.
Ericzhang
Tel&whatsapp；008618903789688
Emai：kenuonengyuan@126.com
September11,2018
one、Performanceindex,processflowandutilityconditions
1.1performanceindex
1.1.1liquidoxygencapacity,purityandpressure
Product capacity purity Pressure
MPa(G)
（outlet） note
Liquidoxygen 10t/d ≥99.6% ≥0.20
1）AllunitsofcapacityNm3/haremeasuredat0Cand0.1013MPa(A)undertheconditionofvolumeflow,knownasthestandardflow,thesamebelow.
2）Thedevicehas75to105%outputregulationcapability.。
3）Liquidoxygenandliquidnitrogenproductscannotbeproductinthesametime
1.1.2 Feedair 1800Nm3/h
Airpressure 1.20MPa(A)
1.1.3 returnairquantity 1800Nm3/h
Outletpressure 1.20MPa(A)
1.1.4 Continuousoperationtime Morethan2years
1.1.5 HeatingThawingTime ~16hours
1.1.6 Startingtimeoftheunit(fromtheexpansionoftheexpandertothepurityoftheliquidoxygen). ~24hours
Two.Summaryofprocessflow(refertoprocessflowchart)
Beforeenteringthecentrifugalaircompressor,theairissuckedintotheairfiltertoremovedustandparticulateimpurities,andthencompressedintotheaircompressor.Thecompressedairiscooledbetweenstagesbytheintermediatecooler.Aftertheaircompressorreaches1.1MPa,theaircompressoriscooledintotheair-conditioningunitto5degreesCelsius.Afterseparatingthefreewater,itentersthemolecularsieveforadsorption.Cleananddryaircanbeobtainedbyremovingwater,carbondioxideandsomehydrocarbonsfromtheair.Twoadsorbersareusedalternately,oneadsorberadsorbsimpurities,andtheotheradsorberregenerateshigh-temperaturewastenitrogen.
Aftertheaircomesoutoftheadsorber,itclearsthedustthroughthefilter,andthenthepurifiedairentersthemainheatexchangeroneway,expandstheexpanderfromthemiddleofthemainheatexchangertomakerefrigeration,andthenventsit.Theotherwayentersthemainheatexchanger,whichiscooledtothetemperaturenearthedewpointandthrottlesitintothelowertower.
Cooledairentersthelowertowerforrectification.Theairenteringthelowertowerevaporatestheliquidonthetraythroughthetray,andmorenitrogenvaporizesoutoftheliquid.Theairpassingthroughthetraycondensestheoxygenintheairduetotheexchangeoflatentheat.
Asaresult,theoxygencontentintheliquidatthebottomofthelowertowerincreases,whilethenitrogencontentinthesteamincreases.Nitrogenisexchangedwithliquidoxygenatthebottomoftheuppertowerthroughacondensingevaporator.Theliquidoxygenisevaporatedandthenitrogeniscondensed.Someofthecondensatedliquidnitrogenwaspartiallyreturnedtothelowercolumnasrefluxliquid,andtherestoftheliquidnitrogenwascoldthrottledandenteredtheuppercolumnfordistillation.
Theoxygen-enrichedliquidwasextractedfromthebottomofthelowertowerandsupercooledinthesupercooler.Afterthrottling,theoxygen-enrichedliquidwassenttothemiddleoftheuppertowerforreflux.
Theliquidoxygenisextractedfromthebottomoftheuppertowerandsenttothecoldboxasaliquidoxygenproduct.
Thewastenitrogengasisextractedfromthetopoftheuppertower,heatedbythecooler,expandedbythecryogenicexpander,thenexpandedintothemainheatexchanger,andthendischargedfromthecoldbox.Apartofthenitrogengasentersthepurificationsystemastheregenerationgasofthemolecularsieveadsorber,andmostofitreleasestheatmosphere.
2.2Designbasisandutilityconditionofairseparationunit
2.2.1weatherconditions
1）airtemperature
Annualmeantemperature 30℃
Extrememaximumtemperature 30.4℃
Extrememinimumtemperature -10℃
2）Atmosphericpressure
Annualmeanatmosphericpressure 98KPa
3）humidity
Annualmeanrelativehumidity 80%
4）seismicintensity 7
5）Qualityofrawgas(molarpercentage)
O2 35%
N2 62.7%
Ar 2.3%
Dewpoint -70℃
2.2.2Utilitycondition
1）Circulatingcoolingwater
Watersupplycapacity 150m3/h
Inletwatertemperature ≤30℃
returnwatertemperature ≤40℃
Watersupplypressure 0.40MPa（G）
pressureofreturnwater 0.20MPa（G）
Foulingcoefficient 0.0006m2·h·0C/kcal
1）power
AC10kV±10%50±0.5Hz three-phaseandthree-wire(≥800KW)
AC380V±10%50±0.5Hz three-phaseandfive-wire(≥200KW)
AC220V±10%50±0.5Hz single-phaseandthree-wire(≥10KW)
Three,equipmentsupplyscopeandmainequipmentlist,technicalparameters.
3.1Descriptionofsupplyscope
? Accordingtotheprincipleofsinglemachinesupply,PartyBprovidesacompletesetofequipmentfor10TPDcryogenicliquidoxygenairseparationunit.
? Principlesforasingleunitincludeacompletesetof10TPDcryogenicliquidoxygenairseparationunit,singleandauxiliaryequipment,pipes,valvesandthecorrespondingchassis,brackets,anchorbolts,nuts,importandexportflanges,coldboxpipes,valvesandfittings.
? Boundaryarea:thecontractinstallationareaisdrawnfromrawgastoliquidoxygendeliveredtotheproductwhichmeetsthequalityrequirements.TheliquidoxygenproductssuppliedbyPartyBaredeliveredtostoragetanks.
? Theprojectincludesequipmentdesign,manufacturing,packaging,transportationtoShanghaiPort,China,connectionpipesrequiredforthecontractualinstallationboundary,pneumaticcontrolvalves,fieldinstallationofinstruments.
3.2、masterequipmentlist
KFL
No. Nameofequipment Brand/factory model quantity
1. Turboaircompressor IHI/sumsung 1set
2. Aircoolingsystem Bainian 1set
3. Absorber KENUO 2set
Electricheatingfurnace KENUO 1set
4. Coldbox KENUO 1set
5. Expander 2set
6. Cryogeniccoolingsystem Bainian 1set
7. electriccontrolsystem KENUO
1set
et
8. Automaticoperationcontrolinstrumentsystem KENUO PLC-S7-313C 1套
9. Allinstallationmaterialsintheboundaryarea:controlcabinettoequipmentconnectioncable,connectionpipeline,instrumentcable,coolingwatersystempipelinevalvesintheboundaryarea,insulationmaterials,etc.
3.3、Mainequipmenttechnicalparameters
3.3.1Turbineaircompressor1台
TYPE turbine
MODEL
Airinletpressure(KPaA) 98
Inlettemperature(0C) 30
relativehumidity(%) 80
Coolingwaterinlettemperature(0C) 32
Outletpressureofcompressorflange(Mpa(A)) 1.2
Exhausttemperature(0C) ≤40
Compressorexhaustflow(dry) 3600Nm3/h
Coolingwaterconsumption(T/H)80Ctemperaturedifferencebetweengasandwater
(includingprimaryaircoolerandoilcooler). 45℃
Drivingmotorpower(KW) 428KW
PowerKW 500KW
Oilcontentofexhaustgas 100%nooil,haspassedTUV0gradeoilfreecertification(ISO8573-1)
Mainmotor10kv1300HP 1set
Brand IHIsumsung
3.3.2aircoolingequipment1set
Model SAYL-3600/10W
Airflow 3600Nm3/h
Inlettemperature ≤40℃
Inletpressure ≤1.05MPa（G）
Cooling-downmethod Watercooling
Power AC380V/220V，50HZ
Workingenvironmenttemperature ≤39℃
Outletairtemperature 5～8℃
Ratedinputpower 22.2KW
Motorpower 35HP
Nominalflangepressure 1.6MPa
Pressureloss ≤0.02MPa
Cryogen R22
controlmode PLC
Coolingwaterpressure 0.2～0.4MPa
Coolingwaterinlettemperature ≤32℃
Coolingwaterflow
28m3/h
Installationmethod Levelingcementfloorwithoutfoundationinstallation
Scopeofsupply
Brand：suzhoubainian
3.3.3Molecularsievepurificationsystem1set
Model HXK-3600/11
Airflow 3600Nm3/h
Workingpressure ≤1.1MPa
Airinletpurifiertemperature 10℃
outlettemperature 16℃
Regenerativetime 4hAutomaticswitching
Regenerativetemperature 170℃
Airqualityafterpurification CO2content≤1PPm
H2Odewpoint≤-70℃
Powerofelectricheater 75kW（Averagepower24kw）
Mainsupplyscope:
Molecularsieveadsorber 2set
Adsorbents Alumina/Zeolite
Electricheater 1set
Internalpipe 1set
Purifieremptyingmuffler 1set
Solenoidvalve ASCO
Automaticswitchingvalve(discvalve) 1set
Automaticcontrolvalve(reliefvalve,equalizingvalve) 1set
supplier Henankenuo
Adoptingtheinterlockcontrolofregeneratedgasflowandelectricheaterstartingandstopping,thelong-termsafeoperationofregeneratedgaselectricheaterisfullyguaranteed,andtheelectricheaterisdividedintotwogroupsfor4hoursautomaticswitchingcontrol,fullymeetingtherequirementsofenergysaving.
Theelectricheatingtubeadoptsauniqueroddesigntoensurelowfailurerateandeasydisassembly.Whentheelectricheatingtubefails,itcanbeextractedbysinglerootandreplaced.
HangyangKosopneumaticswitchingbutterflyvalveisusedfordoubleeccentricityandhightemperatureresistance;2-position5-waysolenoidvalveproducedbyASCOcompanyensuresthepurifierstableoperation.
3.3.4Distillationcolumn1set
Model YON-10ton
Ratedprocessingairvolume 3450Nm3/h
Airenteringtowerpressure 1.014MPa
Ratedliquidoxygencapacity 10ton/day
Purityofliquidoxygen Morethan99.6%
Liquidoxygenoutletpressure Morethan0.20MPa
type Formofsievetray
weight 8000It
Shapesize(longxwidexhigh) 2200X2000x15000mm
(accordingtothefinaldesign)
manufacturingenterprise HenanKenuo
Mainsupplyrange:
Mainheatexchanger 1Taiwan(SuzhouSanChuan)
Supercooler 1Taiwan(SuzhouSanChuan)
evaporatorcondenser 1Taiwan(SuzhouSanChuan)
Distillationcolumn 1platform
Pneumaticlowtemperaturecontrolvalve 1set
Manuallowtemperaturevalve 1set
Coldboxshell 1platform
Support,tubeframe,valveframe 1set
Towerpipe 1set
Evaporativevaporizerforresidualliquid 1platform
?Thevalveadoptsstainlesssteelconnectingplate,valveinternalsandhighstrengthweldedaluminumbody,whichcanavoidtheerosionofvalveconnectioncausedbystemsweatingandfrosting.
?Thecoldboxisassembledcompletelybythemanufacturertoreducetheworkloadoffieldinstallation.
?Three-dimensionalpipingdesignisadoptedtoensurereasonableandappropriatestresscompensationforthepipelineinthecoldbox.
Twosetsof3.3.5turbochargingturbineexpansionunit
No.1expander
Medium compressedair
Expansiveendflow 1650Nm3/h
Suctionpressureofexpansiveend 1.17MPa(A)
Expelledenddischargepressure 0.13MPa(A)
Suctiontemperatureofexpansiveend 150K
No.twoexpander
Medium Foulingnitrogen
Turbochargedendflow Fanbrake
Pressurizedendsuctionpressure Atmosphericpressure
Suctiontemperatureofsuperchargedend 40Centigrade
Expansiveendflow 1500Nm3/h
Suctionpressureofexpansiveend 0.335MPa(A)
Expelledenddischargepressure 0.13MPa(A)
Suctiontemperatureofexpansiveend 106K
Mainscopeofsupply
Expanderbody 2set
Lubricatingoilsystem 1set
Sealgassystem 1set
Pipeandvalveaccessories 1set
Randomspareparts 1set
Special-purposetools 1set
Manufacturer SuzhouWestDa
3.3.6AirCryogenicChiller
Model
Airhandlingcapacity 1650Nm3/h
Intaketemperature Lessthan-20C
Airinletpressure Lessthan1.05MPa(G)
Coolingmode water-cooling
PowerSupply AC380V/220V,50HZ
Adapttoworksystem Continuouswork
Workingenvironmenttemperature Lessthan39degreescentigrade
Exitairtemperature -35Centigrade
Ratedinputpower 12KW
Motorpower 20HP
Flangenominalpressure 1.6MPa
Pressureloss Lessthan0.02MPa
Cryogen R22
controlmode PLCcontrol
Coolingwaterpressure 0.20.4MPa
Inlettemperatureofcoolingwater Lessthan32degreescentigrade
Coolingwater 10m3/h
Installationmethod Flatcementgroundwithoutfoundationinstallation
3.3.7HorizontalLiquidOxygenCryogenicStorageTank
Model CFL-10/0.8
Medium liquidnitrogen
Volume 10.5m
Designpressure 0.84MPa
Workingpressure 0.80MPa
MaterialScience Internalbile:S30408outergallbladder:Q245R
Shapesize ~1800mmx4000mm
manufacturingenterprise BeijingJinHaixinPressureVesselManufacturingCo.,Ltd.
3.3.8LiquidOxygenCryogenicPump
Model BPO-300/100
Medium liquidoxygen
flow 300L/h
Importpressure 0.2~0.8MPa
Exportpressure 10.0MPa
Motorpower
manufacturingenterprise
Asetof3.3.9vaporizer
Model QHQ-300/100
Medium liquidoxygen
flow 300Nm3/h
Importpressure 0.2~0.8MPa
Exportpressure 10.0MPa
Asetof.3.10fillingsets
Model CG-10
Medium oxygen
Fillingheadnumber 10individual
Workingpressure 10.0MPa
Airtightnesstestpressure 20.0MPa
Four,aninstrumentandcontrolsystem
1Designprinciples
1)Instrumentandcontrolsystemshouldeffectivelymonitortheproductionprocessofthecompletesetofairseparationequipmenttoensurereliableoperationandconvenientoperationandmaintenance.
2)AdoptingPLCsysteminthecentralcontrolroom,combiningthesidepanelinstrumentandlocalinstrumentcontrol,thewholeinstrumentcontrolsystemensuresreliabilityandadvanced.SiemensPLCsystem,S7-313Cseries,thethird-partyinterfaceusingPROFIBUS/DPprotocol,opticalfiberaccessinterfacemoduleandopticalfiberprovidedbyPartyB.
3)thesystemloadisnotmorethan60%,thecontrollerpowersupplyisuniformlyload,thecontrolnetworkredundancy,thecommunicationbusloadisnotmorethan40%,andtheIOpointmarginistwentypercent.Thecomputerdisplayisequippedwith22inchesand2sets.Itcanmonitorandoperatetheprocessparametersoftheairseparationunit,andhasthefunctionsofdisplay,operation,adjustment,memory,startinginterlockandprotectioninterlocking.Theinterlockingprotectionwillautomaticallystartandstopaccordingtotheprocessrequirements,openorclosethevalve,andmanuallyoperatetheequipmentonoroff,orchangetherunningstate.
4)centrifugalcompressoradoptsin-situPLCcontrol,insitudisplayandoperation,andprovidescommunicationinterfacewithmaincontrolroomcomputercontrolsystem(RS485,PROFIBUS-DP);themainsinglemachinesetuptheinstrumentcabinetbesidethemachine,displayssomeparametersinthesidecabinet,andcarriesoutoperation,alarmandchain;circulatingwater,precoolerandmolecularsievepurification.PartofthesignalintothePLCsystem.
5)allsystemsoftwareislicensed,includingMicrosoftWINCC7.0SP2'sgenuinecomputeroperatingsystem,SIEMENSPLCsystemsoftware,maincontrolplatformsoftware,engineerstationprogrammingsoftware,human-machineinterfaceconfiguration,monitoringsoftware,andsoon.
6)Theanalysisroomisequippedwithacompletesetofon-lineanalyzercabinetsforsupply,andthemaindataaresenttothecentralcontrolroomfordisplay.
SIEMENSPLC-S7-313CSystem:
OperatingStation:AnEngineerStation,anOperatorStation;IndustrialComputer(YanhuaTechnology),22"LCD,printer.
Thecomputersystemisconfiguredasfollows:
DELLIntelG20202.9GHz/2GDDR31600MHz/500GSATA
7200/DVDRW22LCDA4printer
Controlstation:cabinet(includingallkindsofcards,terminalboardsandcommunicationcables).
Including:powermoduleCPUcontrolmodulecabinetAIinputmoduleRTDinputmoduleAOoutputmoduleDIinputmoduleDOoutputmodule
DCSsoftware(real-timemonitoring,systemconfiguration,flowchartmaking,reportmaking)
OtherfunctionalsoftwareneededforthewholeDCSsystemprogramming
Avarietyofprocessors,communicationcables,supportingterminalboardsandotherhardwareequipment
2.Typeselectionofinstruments
1)ThedifferenceofpressuretransmitterandpressuretransmitterareadoptedbyYokogawaEJA.
2)Two-positionthree-wayandtwo-positionfive-waysolenoidvalvesaremanufacturedbyASCO.
3)TheanalyzerismadeofSiemensandShanghaiViagraproducts.
4)TemperaturemeasuringelementsadoptPt100indexarmoredplatinumthermalresistance,coldboxadoptdoublearmoredplatinumthermalresistance.
5)thelocalpressuregaugeusesaspringtubepressuregauge.
6)ExpanderspeedmeasurementusingJiujiangElectricPowerPlantDTZ-C-101tachometer,sendstandardsignalintothesystem.
3.Primaryinstrumentationandcontrolvalves(quantitiesbasedonfinaldesign)
3.1.Themainoneinstrument
Pressuretransmitter 14Only(SichuanEJA)
Differentialpressuretransmitter 10Only(SichuanEJA)
Platinumthermalresistance 13Only(Shanghaiautomationinstrumentthree)
Speedtransmitter 2Only(Shanghaispeedinstrumentfactory)
Orificeflowmeter 6Only(Hangzhou)
In-situpressuregauge 5only
In-situthermometer 5only
3.2.Controlvalve
*cylindertypecutoffbutterflyvalve 1Set(U.S.Bray)
*solenoidvalve 1(AmericanASCO)
*lowtemperatureregulatingvalve 1Set(hangoxygen)
*normaltemperatureregulatingvalve 1(threepartyofZhejiang)
3.3.Analysisinstrument
Oxygenanalyzer 1platform
purpose On-lineanalysisofoxygenpurity
Model CY-688L
manufacturingenterprise ShanghaiChangAiElectronicTechnologyCo.,Ltd.
Dewpointanalyzer 1platform
purpose Thedewpoint
Model GNL-DP1
range -100Centigradeto+20C
manufacturingenterprise ShanghaiChangAiElectronicTechnologyCo.,Ltd.
CO2analyzer 1Table(userselection)
purpose CO2content
Model ULTRAMAT6
range 0~5ppm
manufacturingenterprise Siemens
4,informationandtechnicaldocuments
4.1Preliminarydesign
4.2Instrumentlist
4.3Alarminterlocklist
4.4Layoutofthefrontsidecabinet
4.5Processflowchartwithcontrolpoint
4.6.Finaldesign
4.6.1Instrumentlist
4.6.2Frontallayoutdiagram,electricalschematicdiagram,gasconnectiondiagram,cabinetwiringdiagram(includingterminaldiagram)
4.6.3Regulatingvalvedatasheet
4.6.4Alarminterlockinglist
4.6.5Processflowchartwithcontrolpoint
Five.DesignandsupplyofelectroniccontrolsystemRange
5.1designconditions
1)Highvoltagepowersupplyis10kV+10%,50HZ+0.5HZ,three-phasethree-wiresystem,neutralpointisnotgrounded,themaximumshortcircuitcapacityisMVA.
2)Low-voltagepowersupplyis380/220V,50HZ+0.5HZ,three-phasefour-wiresystem,neutralpointisdirectlygrounded.
5.2designscope
1)PartyBisresponsiblefordesigningtheelectricalsinglelinediagram,electricalcontrolschematicdiagramandterminaldiagramofalltheelectricalequipmentsuppliedbyPartyBinthisairseparationplant.Themaincontentsare:centrifuge,aircirculationcompressor,airpreheater,cryogenicrefrigerator,purificationsystemandsoon.
2)theequipmentlayout,powerandcontrolwiring,lightningprotection,grounding,lightingandinstallationmaterials,scaffolds,etc.,whicharerequiredbytheproject,shallberesponsibleforthedesignbytheengineeringdesigner,andPartyBshallraiserelevantrequirements.
5.3designprinciples
1)Theelectroniccontrolequipmentoftheairseparationunitshouldbereliable,safe,advancedandeasytooperateonthepremiseofmeetingthedesignconditionsandtechnologicalrequirements.
2)Thecontrol,measurement,protectionandsignalofallmotorsandelectricalequipmentshallbesetupinaccordancewiththerelevantregulationsoftheState.
3)thereareoperatingcabinets(boxes)neareachunit,andtheoperationcabinet(box)unitsare:airfilters,aircompressors,aircirculationcompressors,airprecoolingunits,cryogenicrefrigerators,purificationsystems,etc.
4)Themolecularsieveelectricheateriscontrolledbythyristorvoltageregulatingdevice(powerregulatingcabinet).
5.4ScopeofSupply:(Basedonfinaldesign,suppliedbyPartyB)
1)ACUPS(maintenance-freebattery,6kvA,0.5h)1set(Sander,USA)
2)Onesetofhighandlowvoltagecontrolcabinet
3)Onesetofon-siteoperatingtable(column,cabinet)
5.5deliveryoftechnicaldocuments
1)electricsinglewirediagram
2)anelectricequipmentlist
3)Electricalcontrolschematicdiagram,terminaldiagram(indicatingthedirectionofthecable),wiringdiagram.
4)externalsizeandinstallationsizeofcontrolequipment
5)electricloadmeter
6)instructionsfortheuseoftheChineseversionofimportedequipment
7)equipmentfactorytestrecord
Six,performanceguarantee
1,thebasisofperformanceassurance
1.1Thedesign,construction,installationandcommissioningexaminationofthecontractedequipmentshallbebasedonthetechnicaldocumentsprovidedbyPartyBinaccordancewiththesupplycontract.
Therequirementsintheprocessarebasedonthebasis.
1.2PartyAprovidespublicworksconditionsandsufficienttrainingofqualifiedoperatorsforcommissioningofthecontractedequipment.
WorkundertheguidanceofPartyB'spersonnel.
1.3Inperformanceevaluation,theguaranteedvalueofconsumptionindexdoesnotincludetheconsumptionoffans,heating,airconditioningandintermittentusers.
2,performanceguarantee
Theperformanceoftheairseparationunitisasfollows:
medium Assessmentcondition purity PressureMPa(G)(outofboundaryarea) Remarks
liquidoxygen 10Ton/day Morethan99.6% Morethan0.20
3.Executeaccordingtothecurrentstandardofenterprisedesign,manufactureandinspection.Qualityandtechnicalrequirements
4.Timeforperformanceassessment
1)Inthecaseofproduction,whenthedevicereachestherequiredstableoperatingconditions,itshouldimmediatelycarryoutperformanceevaluationfor48hourswithoutinterruption,andthecapabilityoftheequipmentshouldreachtheperformanceguaranteevalue.
2)Duringtheinspectionperiod,theequipmentandmaterialsshallbeoperatedbyPartyA'spersonnelunderthesupervisionofPartyB'scommissioningexperts.
3)Allreadingsonallinstrumentsandanalyzersshallberecordedeveryhourduringtheacceptanceandexaminationperiod.Thearithmeticmeanofthereadingsperhourwastakenasthemeasuredvalue.Representativesofbothpartiesshallverifyallmeasurementsandrecordthemonarecordsheetwhichisvalidforbothparties.Thetwosidesaresenttogetherwiththecalculatedvalueandthecorrectedvalue.PartyBwillalsogetacopyoftheserecords.
4)Thecorrectionsofatmosphericpressure,airtemperature,relativehumidityandcoolingwatertemperatureareconsistentwiththecalculations.
5)Iftheperformanceevaluationisforcedtobeinterruptedduetonon-PartyBreasons,oncethedeviceisrestoredtostableoperation,cancontinuetoconduct48hoursofassessment.
6)IftheperformanceassessmentisforcedtobeinterruptedduetoPartyA'sresponsibility,theperformanceassessmentshallbere-conductedfor48hours.
7)Aftersuccessfulcompletionoftheaboveacceptanceexamination,PartyAshallsubmittoPartyBacopyoftheequipmentandmaterialperformanceacceptancecertificatesignedbybothparties.
5,measurementmethodandmeasurementpoint
Allflowrateswillbemeasuredatthecoldboxoutlet(productoutlet)usingthedeviceflowmeterandlevelmeterandreadthroughPLC.Thecalibrationandvalidationofanalyzersandflowmetersshallbecarriedoutpriortotheperformanceevaluationandthepresenceofrepresentativesofbothpartiesshallberequired.
5.1Gasflow:Theorificeplateflowmeterisusedtomeasurethegasflowrate,andthetemperatureandpressureparameterscanbecorrectedwhenmeasuring.
5.2Gaspurity:Determinedbyautomaticanalyzerandcalibratedbystandardgas.
5.3Gaspressure:measuredbypressuretransmitterorpressuregauge
5.4GasTemperature:PtThermalResistanceandDigitalThermometer
5.5Powermeasurement:
Forpowerconsumptiondevices:thepowermeterinstalledonthedistributioncabinetisusedtomeasure.Duetothedeviationofenvironmentalanddesignconditionsandthemeasurementaccuracy,theactualmeasuredpowerwillbecorrectedappropriately.Theaccuracyoftheexaminationdataandthechangeofproductandefficiencycausedbythedifferencesinthedesignenvironmentconditionswillbecorrectedaccordingtothelatestinternationalstandardsormanufacturingplantstandards.
6equipmentshelflife
Fromthedateofacceptance,thequalityguaranteeperiodisoneyearor18monthsfromthearrivalofthelastbatchofgoods,whichevercomesfirst.Duringthisperiod,thesuppliershouldpromptlycooperatewiththerepairandsettlementoftheequipmentduetoqualityproblemsandequipmentfailuresduetothesupplier'scauses.Thesupplierwillarriveatthesitewithin24hoursafterreceivingthenotification.
Seven,qualityassuranceandafter-salesservice
HenanKenuoairseparationequipmentTechnologyCo.,Ltd.ismanagedstrictlyaccordingtotheISO9001qualityassurancesystem.Thereareprofessionalswhosupervisethedesign,manufactureandserviceofproducts,andtrackandfeedbacktheproductsthathavebeensoldregularly.Ouraimistostrengthenservices,keepmakingprogress,anddoourbesttomeettherequirementsofcustomers.ThequalityassuranceandservicecommitmentforthecompletesetofequipmentprovidedinaccordancewiththerequirementsoftheISO9001qualityassurancesystemareasfollows:
1.Aseriesofprocedures,suchasdesigninput,designoutput,designreview,designverificationanddesignconfirmation,arestrictlycontrolledinordertoensurethequalityofproductdesign.
2.Drawupthedesignworkplan,stipulatetheimplementationresponsibility,holdthedesignworkconference,ensurethatthedesignworkiscompletedonschedule.
3.Strictcontrolshallbeexercisedoverthepurchaseofrawandauxiliarymaterials,outsourcingandoutsourcingpartsrequiredforthemanufactureofproductsandservices,soastoensurethatthematerialspurchasedmeettherequirements.
4.Inthewholeprocessofproductionandservice,theinspectionandtestingofproductsshouldbecontrolledtoensurethatunqualifiedproductsarenotputintouse,processedandmanufacturedwithoutinspectionorverification.
5.Acompletesetofequipmentflowchart,processflowchartandbasicdrawingwillbeprovidedfreeofchargeafterthecontractcomesintoeffecttoensurethesmoothprogressoftheprojectdesign.
6.Aftertheequipmentarrivesatthesite,PartyBopenstheboxwithPartyAafterreceivingthewrittennoticefromPartyAandcountstherandompackinglistprovidedbyPartyBonebyone.
7.Freeofchargetoprovideuserswithon-siteguidanceforinstallationandjointdebugging.
8.Aftertheequipmentisdebuggedandqualified,theequipmentshallbetransferredtoPartyAafter72hoursofstabilizationtogetherwiththerelevantpersonnelofPartyA.
9.Theguaranteeperiodoftheequipmentis24monthsofnormaloperationor36monthsofthedateofdelivery.
10.PartyBwillsupplyallkindsofsparepartstoPartyAandprovidelife-longservicetothewholesetofequipment.Itwillalsoundertaketheworkoftheequipmentandensurethatusershavenoworries.
11.Thesuppliercarriesoutaone-stopservicetosales,technologyandafter-saleservice.Ithasdedicatedtrackingtothecustomerservicedepartmentoftheproductsthathavebeensold,andunderstandstheoperationoftheproductsintime,andsolvesthedifficultiesoftheusers.
12Aftertheoperationoftheequipment,whetheritisthemanufacturingqualityproblemortheimproperuseofPartyA,PartyBwillreplywithin4hoursafterreceivingthenotificationfromPartyA,andsendthestafftothescenewithin72hoursifnecessary,sothatPartyAissatisfied.
Eight.Trainingofpartyapersonnel
1.TrainingforthetechnicalpersonnelofPartyA
PartyBshallprovidefreetechnicaltrainingandservicestoPartyA'stechnicalpersonnelincluding,butnotlimitedto,thefollowingnecessarytechnicaltrainingandservices.
1)makethetechnicalpersonnelofpartyafamiliarwithandmasterthetechnologicalprocess,unitequipment,machinestructureandworkingprinciple,andoperationandmaintenanceofthedevice.
2)PartyBwilltrainexperiencedpartymemberswhoareexperiencedandskilledinguidingtheinstallation,commissioning,operationandmaintenanceofthecontract,includingteachingrelevantknowledgeandknow-how,andgivingdetailedanswerstothetechnicalproblemsraisedbyPartyA'stechnicians.
3)Inordertoensuretheefficiencyandeffectivenessofthetraining,PartyBshouldprovidetrainingmaterials,organizevisitstosimilardevicesandpractice.PartyAtakescareofthecostofvisitingandinternship.
2.TrainingfortheoperatorofPartyA
1)PartyBshallsendfreeexperiencedengineerstoexplaintheprocessandoperationtrainingofthecontractequipmentforPartyA'stechnicians,andguideordemonstratethepossibleoperatingconditions,adjustmentproceduresandmethodsofthecontractinstallation.
2)PartyB'sactualoperationtrainingforPartyA'soperatoriscarriedoutbyPartyB'son-sitecommissioningtechnicalteam,includingthejointstart-upofthedeviceandtheadjustmentofvariousparameterstoensurethestableoperationofthedevice.
3)PartyBshallprovidePartyAwithsimilaroperationequipmentforPartyApersonneltraining.
Ninestandardspecificationandqualitycontrol
1PartyBshallcomplywiththeexistingstandardsandspecificationsofthestate,industryandfactoriesforthedesign,materialselection,manufacture,inspectionandtestingoftheequipmentsupplied,andtheotherprovisionsstipulatedinthecontractshallbeexecutedaccordingtothecontract.
2PartyBshallprovidePartyAwiththequalitycertificate,inspectionandtestrecordoftheequipment(onecertificateissuedbythesupervisionandinspectiondepartmentofthepressurevessel).
3Standardofexecution
(1)airseparationequipment
JB/T7672-1995 GraphicSymbolsandCodesforFlowChartsofAirSeparationEquipment
(2)pressurevessel
2009edition "Supervisionregulationsforsafetytechnologyofpressurevessels"
GB150-2001 Steelpressurevessel
JB/T4734-2002 Aluminumweldingcontainer
(3)heatexchanger
JB/T7261-94 "Technicalconditionsforaluminumplatefinheatexchanger"
(4)turboexpander
JB/T6894-2000 Technicalconditionsforturbochargingturbineexpander
(5)gb14,97-8 "Basicstandardoflowvoltageelectricalapparatus"
(6)JackB/T4.7,11-2003 "Pressurevesselcoatingandtransportationpackage"
(7)Jack23-9 GeneralSpecificationforConstructionandAcceptanceofMechanicalEquipmentInstallationEngineering
(8)jackjack29-9 CodeforConstructionandAcceptanceofInstallationEngineeringofCompressor,FanandPump
(9)gb50,27,4-8 CodeforConstructionandAcceptanceofInstallationEngineeringofRefrigerationEquipmentandAirSeparationEquipment
(10)H-G-20-2-80 "SpecificationforconstructionandacceptanceofdegreasingEngineering"
(11)g.B.126-1980s CodeforConstructionandAcceptanceofInsulationEngineeringforIndustrialEquipmentandPipes
(12)gb50,23,5-7 CodeforConstructionandAcceptanceofIndustrialMetalPipelineEngineering
(13)gb50,236-8 CodeforConstructionandAcceptanceofWeldingEngineeringofFieldEquipmentandIndustrialPipeline
(14)gb50,18,4-9 StandardforInspectionandEvaluationofInsulationQualityofIndustrialMetalsandPipelines
(15)JB/Z167-89 Technicalspecificationforargonarcweldingofaluminumairseparationequipment
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