UNIPOL™PPProcessDescriptionUNIPOL™PP工艺过程描述1DescriptionoftheContractPlant合同工厂描述2UNIPOLPPProcessUnitUNIPOL聚丙烯工艺装置3AuxiliaryProcessFacilities辅助工艺装置UNIPOL™PPPROCESSDESCRIPTIONUNIPOL™PP工艺过程描述1DescriptionoftheContractPlant合同工厂描述TheContractPlantconsistsofapolypropyleneprocessunitdesignedtoproduce400KTAofpelletedpolypropylenefrompropylenebasedonUNIPOL™PPTechnologylicensedbyUnionCarbideChemicals&PlasticsTechnologyLLC,asubsidiaryofTheDowChemicalCompany.TheUNIPOLPPProcessisalow-pressuregas-phasefluidizedbedprocessforthemanufactureofPPresins.合同工厂包含一套基于UNIPOL™PP技术的生产40万吨/年的聚丙烯工艺装置，该技术转让自陶氏化学公司下属的联合碳化物（联碳）化学和塑料技术公司。UNIPOL™PP工艺技术是一项用于生产聚丙烯树脂的低压气相流化床工艺。InadditiontotheUNIPOLPPProcess,resinhandlingandblendingfacilitiesarealsoincludedintheContractPlantbatterylimits.Otherauxiliaryfacilitiesincludeutilitydistribution,flareandplantinfrastructuresystems.ThePDPprovidesadequateinformationtoallowthesesystemstobeeasilydesignedbytheEngineeringContractor,resultinginsavingstotheLicensee.TheproductbaggingareaisoutsidetheContractPlantbatterylimitsandwillbedesignedbytheLicensee.在UNIPOL™PP工艺之外，树脂处理和掺混也包括在本合同工厂范围之内.其他辅助工艺设施包括公用工程分配，火炬，工厂基础设施。工艺包提供了足够的信息使工程承包商能很容易的设计这些系统,从而使专利受让方节省投资.产品包装区域是在合同工厂之外，由该技术买方设计。2UNIPOLPPProcessUnitUNIPOL聚丙烯工艺装置TheUNIPOLPPplantISBLiscomprisedofthefollowingprocessareas.UNIPOL聚丙烯工厂界区由下列工艺单元组成：A.RawMaterialSupplyandPurification原料供应和精制B.PropylenePurification丙烯精制C.Reaction聚合反应D.ResinDegassing树脂脱气E.VentRecovery尾气回收F.ResinAdditiveHandling添加剂的加入G.Pelleting造粒Eachisdescribedindetailinthefollowingsections.Nocatalystpreparationisnecessary–SHAC™catalystisdeliveredtotheplantreadytouse.Nogas/solidseparationisneededduetotheuniquedesignofthereactorandproductdischargesystem.TheprocessunitslistedaboveareincludedintheLicensor’sProcessDesignPackage(PDP).每一单元都将在下面的章节详细描述．催化剂制备是不需要的，因为卖方会将直接可用的SHAC™催化剂运到工厂。由于特殊的反应器和产品下料系统的设计，也无需单独的气固分离装置．以上所列的工艺装置都包含在专利商的工艺设计包(PDP)中．A.RawMaterialSupplyandPurification(Part1)原料供应及精制（第1部分）Ethylene,nitrogen,andhydrogenaredeliveredtothebatterylimitsbypipeline.Co-catalyst,T2,isreceivedfromvendorshippingcontainerswiththeseshippingcontainersstoredintheISBLarea.乙烯，氮气和氢气通过管线送至界区边界。助催化剂三乙基铝则来自储存在界区内的厂商运输过来的储罐。EthylenefromBatteryLimitsiscompressedto635psigintheEthyleneCompressor(K-1003)andheatedto100°CintheEthylenePreheater(E-1006)beforepassingthroughtheCORemovalVessel(C-1008).Theethyleneisthencooleddownto40°CintheEthyleneAfter-Cooler(E-1010)beforebeingfedtotheEthyleneDryer(C-1012)forremovalofwater,miscellaneouspolarcompoundsandcarbondioxide.Finally,ethyleneispassedthroughtheEthyleneFilter(Y-1002)toremoveparticulatecontaminationbeforeitissenttothereactionarea.从界区外来的乙烯先经过乙烯压缩机(K-1003)压缩至635psig，然后通过乙烯预热器(E-1006)加热至100°C，再进入脱一氧化碳床(C-1008)。然后乙烯通过乙烯后冷却器(E-1010)冷却至40°C，再通过乙烯干燥器（C-1012）以除去水、各种极性成分和二氧化碳。最后，乙烯再经乙烯过滤器（Y-100...
