聚酯PET热灌装饮料瓶基础知识（PPT43页).ppt

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1、Range范围范围Advantages效益效益Specifics细节细节Heat-resistant bottles热灌装瓶Description描述描述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

2、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ustandard bottles are deformed under the effect of heat from 60 C upwardsu标准的瓶子加热至60 C 以上开始变形uadaptation of heat conditioning and blow-molding processes enables bottles to withstand temperatures of up to 88Cu适当的加热条件和吹瓶工艺能使瓶子承受88C的温度nApplicationtothepackagingofsensit

3、ivedrinkssuchasisotonics,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uThe liquid is raised to a temperature enabling it to be sterilizedu液体温度提升至能灭菌的温度 uThe bottle is filled at this temperature(up to 88C)u瓶子在这温

4、度下(高至 88C)灌装uSterlization of the cap is obtained by contact with the hot liquidu瓶盖与热的液体接触进行灭菌 uGradual cooling 分段冷却 nSpecificstressfactorsn特殊的应力因素特殊的应力因素uInflation then collapsing 膨胀后扁平uLocal deformation 局部变形uContraction 收缩Inflationthencollapsing膨胀后扁平膨胀后扁平nRiseintemperatureofthematerialcombinedwithm

5、echanicalstressn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umaterial is softened,easily deformedu材料变软，容易变形uHydrostatic pressure exerted by the liquid on the walls:bottle inflationu液体在瓶壁上产生向外的静压：瓶膨胀 uExpansion of the air in the head area:increased inflation u顶部空气膨胀：增加膨胀uEffect of internal vacuum pressure resulting fr

6、om the cooling of the liquid and the air in the head area:phenomenon known as“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uMechanical stress exerted by the cap:risk of deformationu封盖的机械应力：变形的风险uConveying of the fi

7、lled bottles while still hot:deformation on contact with the transport and guiding equipment u已灌装的瓶输送静止受热：与输送链条接触和导向处变形uContact of the unstretched neck with the hot liquid:the material becomes plastic,deformation is possibleu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nDeformationresultingfromtheintri

8、nsicpropertiesofthematerial材料的固有特性导致变形材料的固有特性导致变形u Release under the effect of heat of the stress factors caused by stretching and which remain in the material after blow-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u Deformation of the material which naturally tends towards a state in which the level of stress

9、 is lowestu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uFilling at temperatures close to ambient 灌注温度接近于周围环境uPasteurization tunnel.Feethrough of the bottle filled and capped under hot showers.A temperature of 75C is maintained in the core of the liquid for 10 min(25 m

10、in at 65C for carbonated drinks)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)uCooling under showers at between 20 and 40 Cu喷淋冷却至20 40 C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

11、械应力的材料温度升高uexpansion of the air in the head area:inflation of the bottleu顶部区域空气膨胀：瓶子膨胀uRelease of CO2 by carbonated drinks:increased inflation u碳酸饮料CO2 释放：增加膨胀uInternal pressure persists after cooling,despite the decrease in volume of the liquid.u冷却后内部压力持续，尽管液体体积减少Contraction收缩收缩nDeformationresultin

12、gfromtheintrinsicpropertiesofthematerial材料的固有特性导致变形材料的固有特性导致变形u Release under the effect of heat of the stress factors caused by stretching and which remain in the material after blow-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u Deformation of the material which naturally tends towards a state in which the le

13、vel of stress is lowestu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uIncrease in crystallinity增加结晶度Prevention of contraction防止收缩Limited generation of induced stress(process and preform design)限制诱导应力的产生(生产和瓶坯设计)Relaxation of residua

14、l induced stress(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uGlass transition temperature raised to a level higher than the temperatures to which the bottle will be subjected u玻璃化温度升高至较高程度会影响瓶子nEnhanceddevelopmentofspheruliticcrystall

15、ization球状结晶的发展增多球状结晶的发展增多Operating rangeOperating rangeGlass transition temp.玻璃化温度玻璃化温度Glass transition temp.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uPref

16、orm undergoes powerful heat-conditioning before being quickly transferred for blow-molding.瓶坯进入吹模之前充分受热uEnhances the generation of spherulitic crystallization in the bottle on contact with the hot mold after the start of crystallization caused by bi-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u30 to 35

17、%compared with a maximum of 25%for standard bottles u与最大结晶度为25%的标准瓶相比热灌装瓶结晶度为3035%uReduction in the amorphous phase which is more sensitive to heatu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uStretching speed is sufficiently slow to enable the rearrangement of the

18、molecular chains as deformation takes placeu拉伸速度较慢使分子链重新整理是 发生变形的原因u Molecular 分子rearrangement limits the stress induced by stretchingu拉伸限制诱导应力的产生V1V2 25%Yes有No无65C for 25 minCarbonated drinks*碳酸饮料Approx.20C 25%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The temperature resistance p

19、erformance characteristics are indicated in specific humidity uptake conditions(2 500 ppm)耐热性能温度是指在特定的吸湿条件下（2 500 ppm)Output rates depend on process requirements and specific production factors产量依赖于生产需求和特定的产品(*)Specific bottle base may be required可以按照需求设计瓶子底部85C to 88CQuality质量质量nProcessprecision生产精

20、确度生产精确度uPrecision of heating profile,including preferential heating if necessaryu加热分布的精确度，包括是否需要优化加热uQuality of temperature gradients u温度梯度的质量uOptimized material distribution and stretching:potential weight reduction of containersu最佳的材料分布和拉伸：潜在减轻容器的重量Process regularity生产调整Measurement of three temper

21、ature points on the preform:same thermal history file for all preforms测量瓶坯的三个温度点；所有瓶坯的加热条件相同Consistent process to within one degree for all preformsNo loss of item quality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uHigh power reserve 较高的备用功率uEfficiency and precision of the process for a ver

22、y wide range of preforms thanks to wide processability windowsu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uVentilated spindles:prevent over-heating of necks during heat conditioning u排风芯轴：防止加热调节过程中瓶口受热uIndependently adjustable protection rails:efficiency and precision of protectionu独立地调节保护挡板：保

23、护效能和精密度uBlow-molding with bell nozzle:prevents any risk of deformation during blow-molding u贝尔吹嘴吹瓶：防止吹瓶其间有瓶口变形的危险uNo deformation of necks possibleu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uPerformance of heat conditioning ensures perfect cavity impressionu加热调节的性能确保模腔压痕完

24、美nQualityofstripping脱模质量脱模质量uEfficiency of air-cooling 空气冷却的功效uItem retention for stripping保持脱模形状nMajor importance due to the functional requirements of HR designn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uCombination of mechanical and electronic controls based on continuous

25、 rotary mechanicsu机械和电气控制相结合使机器能连续运转uSimple kinematics with a reduced number of transfers and active mechanical safety systemsu减少传动数量的简单运转和灵活的机器安全系统uReliability at high output ratesu较高的产量可靠性uBlow-molding stations with reduced inertiau减少惯性的吹瓶位置uHigh output transfer of items at reduced inertia 减少惯性的传送

26、臂uOptimum productivity with up to 1,200 containers per hour and per mold (mold output increased by 20%)最适宜的产量为1200个/小时/模（每模产量增加了20%）Maximum mechanical output1,400 bph per mold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uReduced number of customization partsu减

27、少用户零配件数量uQuick-Change customization parts,replaced fast with no toolingu无须太多的工具快速更换模具uQuick-change formatu快速换模的方式HR/StandardVersatility热灌装热灌装/标准性能标准性能nReversible adaptation of a standard machine n一台标准的设备一台标准的设备uStandard oven 标准加热炉uStandard wheel标准吹瓶轮nReconfigurationforstandardbottlesn标准瓶子的重新配置标准瓶子的重

28、新配置uReconfiguration process(no work on oven required)u重新配置生产工艺(没有所要求的加热炉)uDrain of the heat-conditioning oil circuit for the molds and use of water coolingu可调节的模具油路加热和使用冷却水uCooling possible by cold oil circuit(enables elimination of the drain operation)由冷却油路冷却(能排除排水操作)uAir-cooling solenod valve cont

29、rol at 0u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All the services involving the bottle PET are combined on a single site:bottle design,feasibility testing on dedicated machines,test laboratory,mold shop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20 years experience and know-howDesign and deve

30、lopment of more than 3,000 preforms and bottles each year20多年的经验和设计技巧每年多于3000台瓶坯和吹瓶机optimization of production最优化的生产optimization of container performance characteristics最优化的容器性能4-6-8 mold models 4-6-8吹瓶机10-12-14 mold models10-12-14吹瓶机16-18-20 mold models 16-18-20吹瓶机Layout drawings图纸设计Ranges3,2003,20

31、04,4004,4004 44,8004,8006,6006,6006 66,4006,4008,8008,8008 8Min/max output rates*最低最低/最高产最高产量量*Output varies according to the characteristics of the container and heat-setting specification data产量按照容器的性能和特定的加热数据SBO HR 8,000 8,00011,00011,00010109,6009,60013,20013,200121211,20011,20015,40015,4001414M

32、in/max output rates*最低最低/最高产量最高产量*Output varies according to the characteristics of the container and heat-setting specification data产量按照容器的性能和特定的加热数据SBO HR12,80012,80017,60017,600161614,40014,40019,80019,800181816,00016,00022,00022,0002020Min/max output rates*最低最低/最高产量最高产量*Output varies according to the characteristics of the container and heat-setting specification data产量按照容器的性能和特定的加热数据SBO HR468259335101214372506161820470513