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1、Lesson20FillingSystems第20课充填灌装系统contentIntroductionLiquidFillingLiquidVolumetricFillingLiquidConstantLevelFillingDryProductFillingDryVolumetricFillingDryFillingByWeightFillingByCountIntroduction1.Whatafillercanbeaskedtodo?Fillers,fillingmachines,areusedtotransferm
2、anytypesofproductsfrombulkstoragebinsandvatsintothecontainersinwhichtheyfindtheirwaytothemarket.Thegreatvarietyofproductsthatarepackagedandthecontainersthattheyfillhascausedthedevelopmentofalargenumberofprocesses,techniques,andmachinesthatareusedforproductfilling.
3、2.ConsiderationsinselectingafillerTypesofproducts:fromverythinliquidstosemi-liquidproducts,pastes,andsolids;stable,volatile,explosive,hot,frozenproducts.Size,shape,andconstructionofthecontainers:glassbottlesandjars,plasticbottlesandcartons,paperboardboxes,metalcan
4、s,andplasticorpaperbags.Waytheproductismeasured:byvolume,weight,orcount.IntroductionIntroductionDesiredspeedoftheoperation:arelativelyslowmanualoperation,semi-automatic,fullyautomatic(highspeedlines)SpecialhandlingrequirementsoftheproductCostofinstallationOperatio
5、nLiquidFilling1.IntroductionLiquidproducts:alcoholandsodawaterSemi-liquidproducts:toothpaste,peanutbutter,andcaulkingcompoundLiquidFilling2.TypesofFillingMachinesThecontainersmaybemadeofplastic,metal,glass,treatedpaperboard,oranumberofothermaterials.Theshapesofthe
6、containersincludethoseofbottles,jars,vials,tubes,cans,pouches,cartons,anddrums(Figure20.1).Figure20.1TheshapesofthecontainersLiquidFillingMostliquidandsemi-liquidproductsarefilledbyoneoftwomajormethods:volumetric,orconstantlevelfilling.Involumetricfillingtheamount
7、ofproductispremeasuredsothateachcontainerhasthesamevolumeofproduct.Constantlevelfillingtechniquesfilleachcontainertothesamelevel,soitisfrequentlycalledthe“fill-to-a-level”method.LiquidFillingLiquidFilling3.UseofFillingMachinesVolumetricfillingisparticularlyappropr
8、iateforapplicationsinthepharmaceuticalindustrywhereitisimportantthateachcontainerisaccuratelyfilledwithaspecificvolumeofproduct.Constantlevelfillingisus
