氣相流化床聚合英文

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

原料凈化分析系統(tǒng)進(jìn)料系統(tǒng)聚合系統(tǒng)程控系統(tǒng)出料系統(tǒng)溫控系統(tǒng)流化監(jiān)控inclusiveofPurificationSystemforRawmaterials,FeedingSystem;AnalysisSystem,PolymerizationSystem;TemperatureControlSystem,ProgramControlSystem,FluidizationMonitoringSystem,DischargingSystemandSoftwareSimulationSystem.FlowPathUnitIntroductionFlowsketchUnitIntroductionUnitIntroduction1.PolymerizationSystem

DesignconceptforthereactorReactionkettle：Material316Specs:?90、?120、?150、?200，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