浮法玻璃生产介绍

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1、AmemberofNSGGroup1ApplicationofInorganicChemistryinIndustryFlatGlassandCoatingsOnGlassDrTroyManningAdvancedTechnologist,On-lineCoatingsPilkingtonEuropeanTechnicalCentreHallLaneLathomUKtroy.manning@pilkington.com2OutlineOverviewofFlatGlassindustryandNSG/PilkingtonFlatGlassmanufactureFloatG

2、lassProcessCoatingtechnologywithintheglassindustryChemicalVapourDepositionExamplesofonlinecoatingapplicationsLowEmissivity/SolarControlSelfCleaningSummarySuggestedReading3GlobalFlatGlassMarketGlobalMarket37milliontonnes(4.4billionsq.m)BuildingProducts33mtonnes-Automotive4mtonnesOfwhich24

3、million=highqualityfloatglass3million=sheet2million=rolled8million=lowerqualityfloat(mostlyChina)GlobalValueAtprimarymanufacturelevel€15billionAtprocessedlevel€50billion4NSGandPilkingtoncombinedAglobalglassleader–thepureplayinFlatGlassCombinedannualsalesc.£4billionEqualtoAsahiGlassinsca

4、le,mostprofitableinFlatGlassOwnership/interestsin46floatlines6.4milliontonnesannualoutputWidenedAutomotivecustomerbase36,000employeesworldwideManufacturingoperationsin26countriesSalesin130+countries5ManufactureofFlatGlassFourmainmethodsPlateGlass(1688)–moltenglasspouredontoaflatbed,spread

5、,cooledandpolishedSheetGlass(1905)–continuoussheetofglassdrawnfromtankofmoltenglassRolledGlass(1920)–moltenglasspouredontototworollerstoachieveaneventhickness,makingpolishingeasier.Usedtomakepatternedandwiredglass.FloatGlass(1959)–moltenglasspouredontobedofmoltentinanddrawnoffincontinuous

6、ribbon.Giveshighqualityflatglasswitheventhicknessandfirepolishfinish.~320float-glasslinesworldwide6MeltingfurnaceFloatbathCoolinglehrContinuosribbonofglassCrosscuttersLargeplatelift-offdevicesSmallplatelift-offdevicesRawmaterialfeedTheFloat-GlassProcessOperatesnon-stopfor10-15years6000km/

7、year0.4mm-25mmthick,upto3mwide7TheFloatGlassProcess8Rawmaterials9MeltingFurnace10FloatBath11FloatGlassPlant12TheFloat-GlassProcessFine-grainedingredients,closelycontrolledforquality,aremixedtomakebatch,whichflowsasablanketontomoltenglassat1500ºCinthemelter.Thefurnac