Pilkington浮法玻璃生产介绍.pptxVIP

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Pilkington浮法玻璃生产介绍.pptx

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Pilkington浮法玻璃生产介绍第1页/共75页 2OutlineOverview of Flat Glass industry and NSG/PilkingtonFlat Glass manufacture Float Glass ProcessCoating technology within the glass industryChemical Vapour DepositionExamples of on line coating applicationsLow Emissivity/Solar ControlSelf CleaningSummarySuggested Reading第2页/共75页 3Global Flat Glass MarketGlobal Market ? 37 million tonnes (4.4 billion sq. m)Building Products 33 m tonnes - Automotive 4m tonnesOf which24 million = high quality float glass3 million = sheet2 million = rolled8 million = lower quality float (mostly China)Global Value At primary manufacture level ? €15 billionAt processed level ? €50 billion第3页/共75页 4NSG and Pilkington combinedA global glass leader – the pure play in Flat GlassCombined annual sales c. ￡4 billionEqual to Asahi Glass in scale, most profitable in Flat GlassOwnership/interests in 46 float lines6.4 million tonnes annual outputWidened Automotive customer base36,000 employees worldwideManufacturing operations in 26 countriesSales in 130+ countries第4页/共75页 5Manufacture of Flat GlassFour main methodsPlate Glass (1688) – molten glass poured on to a flat bed, spread, cooled and polishedSheet Glass (1905) – continuous sheet of glass drawn from tank of molten glassRolled Glass (1920) – molten glass poured onto to two rollers to achieve an even thickness, making polishing easier. Used to make patterned and wired glass.Float Glass (1959) – molten glass poured onto bed of molten tin and drawn off in continuous ribbon. Gives high quality flat glass with even thickness and fire polish finish. ~320 float-glass lines worldwide第5页/共75页 6Melting furnaceFloat bathCooling lehrContinuos ribbon of glassCross cuttersLarge plate lift-off devicesSmall plate lift-off devicesRaw material feedThe Float-Glass ProcessOperates non-stop for 10-15 years6000 km/year0.4 mm-25 mm thick, up to 3 m wide第6页/共75页 7The Float Glass Process第7页/共75页 8Raw materials第8页/共75页 9Melting Furnace第9页/共75页 10Float Bath第10页/共75页 11Float Glas