聚酯PE讲义T热灌装饮料瓶基础知识(PPT43页).ppt

聚酯PE讲义T热灌装饮料瓶基础知识(PPT43页).ppt

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精品聚酯PET热灌装饮料瓶基础知识（PPT43页）SpecificsBasicprinciple基本原理基本原理Hot-filling热灌装热灌装Pasteurization巴氏杀菌巴氏杀菌Purposeofheat-setting加热设定的目的加热设定的目的Wateruptakeconcept吸水概念吸水概念Basicprinciple基本原理基本原理nBlow-moldingofPETbottlestowithstandhightemperatureswithnodeformation所吹制的所吹制的PET瓶必须能承受高温而不变形瓶必须能承受高温而不变形ustandardbottlesaredeformedundertheeffectofheatfrom60Cupwardsu标准的瓶子加热至60C以上开始变形uadaptationofheatconditioningandblow-moldingprocessesenablesbottlestowithstandtemperaturesofupto88Cu适当的加热条件和吹瓶工艺能使瓶子承受88C的温度nApplicationtothepackagingofsensitivedrinkssuchasisotonics,fruitjuices,teasetc.n应用作敏感饮料包装例如应用作敏感饮料包装例如n等压、果汁、茶等等压、果汁、茶等uHotfilling热灌装uPasteurization巴氏杀菌Hotfilling热灌装热灌装nOperatingmethod操作方法操作方法uTheliquidisraisedtoatemperatureenablingittobesterilizedu液体温度提升至能灭菌的温度uThebottleisfilledatthistemperature（upto88C）u瓶子在这温度下（高至88C）灌装uSterlizationofthecapisobtainedbycontactwiththehotliquidu瓶盖与热的液体接触进行灭菌uGradualcooling分段冷却nSpecificstressfactorsn特殊的应力因素特殊的应力因素uInflationthencollapsing膨胀后扁平uLocaldeformation局部变形uContraction收缩Inflationthencollapsing膨胀后扁平膨胀后扁平nRiseintemperatureofthematerialcombinedwithmechanicalstressn含有机械应力的材料温度升高含有机械应力的材料温度升高umaterialissoftened,easilydeformedu材料变软，容易变形uHydrostaticpressureexertedbytheliquidonthewalls:

bottleinflationu液体在瓶壁上产生向外的静压：

瓶膨胀uExpansionoftheairintheheadarea:

increasedinflationu顶部空气膨胀：

增加膨胀uEffectofinternalvacuumpressureresultingfromthecoolingoftheliquidandtheairintheheadarea:

phenomenonknownas“collapsing”u由液体和瓶颈空气冷却而产生真空压力：

已知现象如“扁平”Localdeformation局部变形局部变形nStressexertedlocallyduringpackagingn在包装过程中外界压力局部地在包装过程中外界压力局部地作用作用uMechanicalstressexertedbythecap:

riskofdeformationu封盖的机械应力：

变形的风险uConveyingofthefilledbottleswhilestillhot:

deformationoncontactwiththetransportandguidingequipmentu已灌装的瓶输送静止受热：

与输送链条接触和导向处变形uContactoftheunstretchedneckwiththehotliquid:

thematerialbecomesplastic,deformationispossibleu未拉伸的瓶颈与热的液体接触：

材料成为塑料态，有可能变形Contraction收缩收缩nDeformationresultingfromtheintrinsicpropertiesofthematerial材料的固有特性导致变形材料的固有特性导致变形uReleaseundertheeffectofheatofthestressfactorscausedbystretchingandwhichremaininthematerialafterblow-moldingu拉伸和吹塑后残留在材料里的应力在热量的作用下被释放uDeformationofthematerialwhichnaturallytendstowardsastateinwhichthelevelofstressislowestu材料的变形自然趋向于低应力水平的状态u“Memory”effectu“记忆”效应Pasteurization巴氏杀菌巴氏杀菌nPrinciple原理原理uFillingattemperaturesclosetoambient灌注温度接近于周围环境uPasteurizationtunnel.Feethroughofthebottlefilledandcappedunderhotshowers.Atemperatureof75Cismaintainedinthecoreoftheliquidfor10min（25minat65Cforcarbonateddrinks）u已灌注和封盖的瓶子通过有热喷淋的隧道进行巴氏杀菌，液体中心温度维持在75C、10分钟（汽水为65C、25分钟）uCoolingundershowersatbetween20and40Cu喷淋冷却至2040C之间nSpecificstressfactorsn特殊的应力因素特殊的应力因素uInflation膨胀uContraction收缩Inflation膨胀膨胀nRiseintemperatureofthematerialcombinedwithmechanicalstressn含有机械应力的材料温度升高含有机械应力的材料温度升高uexpansionoftheairintheheadarea:

inflationofthebottleu顶部区域空气膨胀：

瓶子膨胀uReleaseofCO2bycarbonateddrinks:

increasedinflationu碳酸饮料CO2释放：

增加膨胀uInternalpressurepersistsaftercooling,despitethedecreaseinvolumeoftheliquid.u冷却后内部压力持续，尽管液体体积减少Contraction收缩收缩nDeformationresultingfromtheintrinsicpropertiesofthematerial材料的固有特性导致变形材料的固有特性导致变形uReleaseundertheeffectofheatofthestressfactorscausedbystretchingandwhichremaininthematerialafterblow-moldingu拉伸和吹塑后残留在材料里的应力在热量的作用下被释放uDeformationofthematerialwhichnaturallytendstowardsastateinwhichthelevelofstressislowestu材料的变形自然趋向于低应力水平的状态u“Memory”effectu“记忆”效应Purposeofheat-setting加热设定的目的加热设定的目的nImprovementinheatresistance改进耐热性改进耐热性uIncreaseincrystallinity增加结晶度Preventionofcontraction防止收缩Limitedgenerationofinducedstress（processandpreformdesign）限制诱导应力的产生（生产和瓶坯设计）Relaxationofresidualinducedstress（molds）残留的诱导应力松弛（模具）Increaseincrystallinity增加结晶度增加结晶度nOffsetoftheglasstransitiontemperaturen抵消玻璃化转变温度抵消玻璃化转变温度uGlasstransitiontemperatureraisedtoalevelhigherthanthetemperaturestowhichthebottlewillbesubjectedu玻璃化温度升高至较高程度会影响瓶子nEnhanceddevelopmentofspheruliticcrystallization球状结晶的发展增多球状结晶的发展增多OperatingrangeOperatingrangeGlasstransitiontemp.玻璃化温度玻璃化温度Glasstransitiontemp.玻璃化温度玻璃化温度Developmentofspheruliticcrystallinity球状结晶的发展球状结晶的发展nEnhancedheat-conditioningofthepreformintheovenandhotmold增大加热炉和模具内瓶坯的加热增大加热炉和模具内瓶坯的加热温度温度nHighdegreeofcrystallinity提高结晶度提高结晶度uPreformundergoespowerfulheat-conditioningbeforebeingquicklytransferredforblow-molding.瓶坯进入吹模之前充分受热uEnhancesthegenerationofspheruliticcrystallizationinthebottleoncontactwiththehotmoldafterthestartofcrystallizationcausedbybi-orientation.u当由拉伸引起的结晶开始后瓶与热模接触所产生的球状结晶增加u30to35%comparedwithamaximumof25%forstandardbottlesu与最大结晶度为25%的标准瓶相比热灌装瓶结晶度为3035%uReductionintheamorphousphasewhichismoresensitivetoheatu调节热量减少无定型状态Limitedinducedstress限制诱导应力限制诱导应力nSlow-speedstretching较慢的拉伸速度较慢的拉伸速度uStretchingspeedissufficientlyslowtoenabletherearrangementofthemolecularchainsasdeformationtakesplaceu拉伸速度较慢使分子链重新整理是发生变形的原因uMolecular分子rearrangementlimitsthestressinducedbystretchingu拉伸限制诱导应力的产生V1V225%Yes有No无65Cfor25minCarbonateddrinks*碳酸饮料Approx.20C25%Yes有No无Hot-filling热灌装热灌装Pasteurization巴氏杀菌巴氏杀菌Performance性能性能Thetemperatureresistanceperformancecharacteristicsareindicatedinspecifichumidityuptakeconditions（2500ppm）耐热性能温度是指在特定的吸湿条件下（2500ppm）Outputratesdependonprocessrequirementsandspecificproductionfactors产量依赖于生产需求和特定的产品（*）Specificbottlebasemayberequired可以按照需求设计瓶子底部85Cto88CQuality质量质量nProcessprecision生产精确度生产精确度uPrecisionofheatingprofile,includingpreferentialheatingifnecessaryu加热分布的精确度，包括是否需要优化加热uQualityoftemperaturegradientsu温度梯度的质量uOptimizedmaterialdistributionandstretching:

potentialweightreductionofcontainersu最佳的材料分布和拉伸：

潜在减轻容器的重量Processregularity生产调整Measurementofthreetemperaturepointsonthepreform:

samethermalhistoryfileforallpreforms测量瓶坯的三个温度点；所有瓶坯的加热条件相同ConsistentprocesstowithinonedegreeforallpreformsNolossofitemquality所有瓶坯在同一温度下生产，具有相同的质量Quality质量质量nProcesspower生产动力生产动力uHighpowerreserve较高的备用功率uEfficiencyandprecisionoftheprocessforaverywiderangeofpreformsthankstowideprocessabilitywindowsu瓶坯具有很宽的生产效率和精确度得益于有较宽的加工窗口nNeckprotection瓶口保护瓶口保护uVentilatedspindles:

preventover-heatingofnecksduringheatconditioningu排风芯轴：

防止加热调节过程中瓶口受热uIndependentlyadjustableprotectionrails:

efficiencyandprecisionofprotectionu独立地调节保护挡板：

保护效能和精密度uBlow-moldingwithbellnozzle:

preventsanyriskofdeformationduringblow-moldingu贝尔吹嘴吹瓶：

防止吹瓶其间有瓶口变形的危险uNodeformationofneckspossibleu瓶口不会变形Qualityofappearance外观质量外观质量nQualityofcavityimpression模腔压痕模腔压痕质量质量uPerformanceofheatconditioningensuresperfectcavityimpressionu加热调节的性能确保模腔压痕完美nQualityofstripping脱模质量脱模质量uEfficiencyofair-cooling空气冷却的功效uItemretentionforstripping保持脱模形状nMajorimportanceduetothefunctionalrequirementsofHRdesignn最重要的是所要求的热灌装瓶设计最重要的是所要求的热灌装瓶设计Productivity生产能力生产能力nBlowwheel吹瓶轮吹瓶轮uCombinationofmechanicalandelectroniccontrolsbasedoncontinuousrotarymechanicsu机械和电气控制相结合使机器能连续运转uSimplekinematicswithareducednumberoftransfersandactivemechanicalsafetysystemsu减少传动数量的简单运转和灵活的机器安全系统uReliabilityathighoutputratesu较高的产量可靠性uBlow-moldingstationswithreducedinertiau减少惯性的吹瓶位置uHighoutputtransferofitemsatreducedinertia减少惯性的传送臂uOptimumproductivitywithupto1,200containersperhourandpermold（moldoutputincreasedby20%）最适宜的产量为1200个/小时/模（每模产量增加了20%）Maximummechanicaloutput1,400bphpermold最大产量为1400个/小时/模Versatility多功能性多功能性nQuick-changeconceptforformatchangeover快速换模概念快速换模概念uReducednumberofcustomizationpartsu减少用户零配件数量uQuick-Changecustomizationparts,replacedfastwithnotoolingu无须太多的工具快速更换模具uQuick-changeformatu快速换模的方式HR/StandardVersatility热灌装热灌装/标准性能标准性能nReversibleadaptationofastandardmachinen一台标准的设备一台标准的设备uStandardoven标准加热炉uStandardwheel标准吹瓶轮nReconfigurationforstandardbottlesn标准瓶子的重新配置标准瓶子的重新配置uReconfigurationprocess（noworkonovenrequired）u重新配置生产工艺（没有所要求的加热炉）uDrainoftheheat-conditioningoilcircuitforthemoldsanduseofwatercoolingu可调节的模具油路加热和使用冷却水uCoolingpossiblebycoldoilcircuit（enableseliminationofthedrainoperation）由冷却油路冷却（能排除排水操作）uAir-coolingsolenodvalvecontrolat0u空气冷却电磁阀控制Bottledesignknow-how瓶子设计的技巧瓶子设计的技巧AlltheservicesinvolvingthebottlePETarecombinedonasinglesite:

bottledesign,feasibilitytestingondedicatedmachines,testlaboratory,moldshop包括PET瓶在内的所有服务集合在一个简单的地点：

瓶子设计、机器的可行性测试、测试实验室、模具中心20yearsexperienceandknow-howDesignanddevelopmentofmorethan3,000preformsandbottleseachyear20多年的经验和设计技巧每年多于3000台瓶坯和吹瓶机optimizationofproduction最优化的生产optimizationofcontainerperformancecharacteristics最优化的容器性能4-6-8moldmodels4-6-8吹瓶机10-12-14moldmodels10-12-14吹瓶机16-18-20moldmodels16-18-20吹瓶机Layoutdrawings图纸设计Ranges3,2003,2004,4004,400444,8004,8006,6006,600666,4006,4008,8008,80088Min/maxoutputrates*最低最低/最高产最高产量量*Outputvariesaccordingtothecharacteristicsofthecontainerandheat-settingspecificationdata产量按照容器的性能和特定的加热数据SBOHR8,0008,00011,00011,00010109,6009,60013,20013,200121211,20011,20015,40015,4001414Min/maxoutputrates*最低最低/最高产量最高产量*Outputvariesaccordingtothecharacteristicsofthecontainerandheat-settingspecificationdata产量按照容器的性能和特定的加热数据SBOHR12,80012,80017,60017,600161614,40014,40019,80019,800181816,00016,00022,00022,0002020Min/maxoutputrates*最低最低/最高产量最高产量*Outputvariesaccordingtothecharacteristicsofthecontainerandheat-settingspecificationdata产量按照容器的性能和特定的加热数据SBOHR468259335101214372506END