气相流化床聚合英文

TianjinHillInstrumentManufacturingCo.,Ltd.Tianjin,ChinaExperimentalInstallationfortheGas-phasePolymerizationofOlefins

LocatedatTianjinHigh-techDevelopmentZone,theCompanyisahigh-techcompanyincooperationwithZhejiangUniversity,TianjinUniversityandBeijingChemicalEngineeringUniversity,specializinginthedesigning,developingandmanufacturingoflabapparatusandspecialexperimentalinstruments,etc.With3PhDsupervisorswhoarerespectivelyinvolvedinolefinpolymerizationengineering,design,synthesisandprocessingofpolymersandsoftwaresimulationofpolymerization,theCompanyhas6doctorswith2engagedincatalystsforolefinpolymerizationandpreparationofpolymerizedproducts,andalsohas11disciplinaryengineerswhoareinchargeofthedeviceconstruction,start-up,trainingandafter-saleserviceaswellasfollow-upguidance.CorporateProfileThefastgrowthofpolyolefincapacityandthediversifiedrawmaterialsinChinaresultinanincreasingcompetitionamongproductsinthisregard.Thegrowingpolyolefincapacityinrecentyearsisdominatedbytheprocessinginstallationsforgas-phasepolyethyleneandgas-phasepolypropylenewithlargescalesinglesets,ashaveaggravatedthecompetitionamonghomogeneousproducts.Ithasbecomeaninevitablechoicefortheenhancingofcompetitivenesstodevelopnewproducts,improvequalityandlowercosts.Directpilotrunwithfullscaleplantwitnessesahugeriskandhighcosts.Asimulatedandquickexperimentaldevicewithhighefficiencyandoperationalconveniencebecomesamust.AnOverviewCreatedincollaborationwithsomeuniversities,theGas-phasePolymerizationExperimentalDeviceisahigh-techequipmentofourCompanywhichboastsofanoptimalsolutionforthefollowingproblems:

AnOverviewFailurebyslurrypolymerizationtoreflecttheactualsituation;longcycleandhighcostseeninpilottests.ThroughPolymerPlus,thisDevicecanachievearelativitytoindustrialproductiondevicesintermsofexperimentaldata,notonlyboastingoftheadvantagessuchasexperimentalflexibility,accuratedata,puresamples,smallinvestmentandlowtestingcostsaswellasshortcycle,butalsogivingplaytothepilotplant.InadvancedregionssuchasUSandEurope,pilotplantshavealreadybeenreplacedbyemployingPolymerPlus

AnOverview

Areasofapplication

InstitutionsofhigherlearningResearchInstitutes

Catalystsmanufacturers

ManufacturersofpolyolefinproductsAnOverviewApplicabletovariouscatalystschromium-basedcatalystmetallocenecatalystsZiegler-NattacatalystcompositecatalystAnOverviewAlsoapplicableto---theprocessunitsforgas-phasepolyethyleneandgas-phasepolypropylene

evaluationandstudyofcatalysts

newproductdevelopmentoptimizationofpolymerizationprocesssimulationanalysisofproductionissues

AnOverview

TwoalternativesfortheUnitOption1:DescriptionsUnitIntroduction

themainreactorisgas-phasefluidizedbed,whichisconsistentwiththeprocessengineeringofindustrialplant;andfourspecs(respectively90、120、150、200)availableforstraightpipediameters,alsocustomizedaccordingtocustomers’requirementswithskid-mountedstructureemployedinoverallequipment;andpatentedinertseedbedisusedtofacilitateseparationwithpolymer,obtainingpureexperimentalproducts.Characteristics：

identicaltogas-phasefluidizedbedinindustrialplantintermsofprocessengineeringdistributingplatedesignwithevenfluidizationinertseedbedisusedforpolymerizationtogetproductsseparatedeasily.

realtimemonitoringisappliedtothefluidizationwithinreactorsbyemployingultrasoundtechniqueintheformofimages.

realtimemonitoringofthecontentsofgasphasecomponentsinthekettlebyon-linechromatograph

stainlesssteelsusedformajorequipment

easilyoperatedandhighlysafe

module-structuredwithlessfloorareaUnitIntroductionOption2:DescriptionsUnitIntroductionthemainreactorisakettle-likegasphasefluidizedbedwithindependenttechnologyinsuchareasasblending,guiding,heatremovingandfluidizationmonitoring;noneedtobefilledwithseedbedwithcatalystsfluidizedanddispersedinitiallyandthentoignitereactions,resultinginpurepolymerizedproductsforresearchpurpose;inertseedbedcanalsobeaddedandthenseparatedafterbeingpolymerized;threetypesforvolume:1L、2L、5Lwithoverallequipmenttoutilizeskid-mountedstructure;smallinvestmentwithlessfloorareaCharacteristics：UnitIntroductionreactorintheformofgas-phasefluidizedbedboastingofspecialstructurewithevenfluidization;catalystpowdercanbeevenlyfluidizedtoignitereactionswithoutseedbeduponinitialpolymerization；toremoveheatwithguideplatewithahighaccuracyintemperaturecontrolwithinthekettle;realtimemonitoringofthefluidizationstatuswithinthekettleintheformofimages;realtimemonitoringofthecontentsofgasphasecomponentsinthekettlebyon-linechromatograph

;

stainlesssteelsusedfortheoutfit;easilyoperatedandhighlysafe；module-structuredwithlessfloorarea

原料净化分析系统进料系统聚合系统程控系统出料系统温控系统流化监控inclusiveofPurificationSystemforRawmaterials,FeedingSystem;AnalysisSystem,PolymerizationSystem;TemperatureControlSystem,ProgramControlSystem,FluidizationMonitoringSystem,DischargingSystemandSoftwareSimulationSystem.FlowPathUnitIntroductionFlowsketchUnitIntroductionUnitIntroduction1.PolymerizationSystem

DesignconceptforthereactorReactionkettle：Material316Specs:Ø90、Ø120、Ø150、Ø200，Gasvelocity:0.6~0.7m/sCompressiveresistance≤4MPaTemperature:≤115℃。Sidevacuumdischargewithexternalultrasonicdetector.(tobecontinued)PolymerizationSystem(continued)Designconceptforthereactor

UnitIntroductionWithauniquekettle-likeformandaspecialmixingandrectifierdesign，asolid-phasefluidizationdispersionisassured.Thestirringrateisundercontrolandadjustmentwithpressureandtemperaturebeingpreciselyregulatedandmeasured.Reactionkettle：Material316,Specs:1L、2L、5L,Stirringrate:0~1000rpm/min,Compressiveresistance≤4MPa,Temperature:≤115℃,Headvacuumdischargewithaninternaltemperatureregulatingbaffle.2.PurificationSystemforRawmaterials

Composedofdehydration&deaerationtowerformaterialssuchasEthylene,hydrogen,nitrogen,butene-1aswellas1-hexeneanditscontrolsystem,theSystememploysadvancedtechniqueforoperationinthisregard.Afterbeingtreated,thewaterandoxygencontentsofEthylene,hydrogen,nitrogenandbutene-1

arerespectively≤0.1ppmandthesameof1-hexenestays≤5ppm.

UnitIntroduction3.AnalysisSystem

Timelydetectingofthecontentofgas-phasecomponentsinthekettleisundertakenthroughon-linegaschromatography.Whilethedetectorfortracewaterandtraceoxygen(onlineoroffline)detectstracewaterandtraceoxygenofthematerialsandthePolymerizationSystem.

UnitIntroduction4.

FeedingSystemCatalystfeedingisdoneinon-lineoxygen-freeandwater-freetankwithreactorloadedthroughhighlypureN2.FeedingofcomonomerslikeH2,O2,N2,C2=,C6=orC4=

aremeasuredafterbeingprepared.No.1gaspreparationpotisintendedtopre-mixcomonomerslikeH2、O2、N2、C2=asappropriateforinitialreaction,whichcanbeheatedasrequired.No.2preparationpotisdesignedtosupplementgaseswithoutcomponentssuchasO2orN2whicharenotinvolvedinthereaction.UnitIntroduction5.TemperatureControlSystemThetemperaturecontrol

overthelabdeviceisachievedbyjacketheatingandheatremovalwithinnercoolingtubewithatemperatureaccuracyof±0.5℃.

Oilbathcirculationisappliedforheating,whilewatercirculationisutilizedforcoolingwithprogramcontrol.Anicemakeristobeusedfortemperaturecontroliflow-temppolymerizationisintended.

UnitIntroduction6.ComputercontrolsystemsAllofthetemperature,pressure,weighingandfeedingaswellasmixingareallunderprogramcontrol（PLC）.

Experimentaldataaretobemaintainedinthecomputer.Kineticcurves(timeandEthyleneconsumptionin)intheprocessofreactionformautomatically.Thedatadisplayofmaterialcompositioninthekettleistestedbyon-linechromatography.UnitIntroduction7.FluidizationMonitoringSystemImagingtechnologyistobeemployedtoconductareal-timemonitoringofthefluidizationofthematerialsandsupplieswithinthereactionkettlewiththefeedbackoftheresultsthereofshownonthecomputerintheformofimages.UnitIntroduction8.VacuumDischargingSystem

Composedofairpump,filterandca