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中国国际不锈钢新材料与耐蚀合金论坛中国国际不锈钢新材料与耐蚀合金论坛ChinaNewStainlessSteelMaterialsandCorrosionResistantAlloysInternationalForum11.23-24,2008广东佛山Foshan,Guangdong主办Sponsoredby中国特钢企业协会不锈钢分会StainlessSteelCouncilofChinaSpecialSteelEnterprisesAssociation广东佛山市禅城区人民政府ChanchengDistrictGovernmentinFoshanCity,GuangdongProvince国际镍协会NickelInstitute我国汽轮机叶片用钢的标准演变及发展EvolutionandDevelopmenttoStandardofBladeSteelforSteamTurbineinOurCountry中国·佛山2008年11月23~24日Foshan·ChinaNovember23-24,2008中国不锈钢新材料与耐蚀合金展览推介会暨中国国际不锈钢新材料与耐蚀合金论坛ChinaNewStainlessSteelMaterialsandCorrosionResistantAlloysExpositionChinaNewStainlessSteelMaterialsandCorrosionResistantAlloysInternationalForum东北特钢集团李瑛DongbeiSpecialSteelGroupLiYing我国汽轮机叶片用钢的标准演变及发展EvolutionandDevelopmenttoStandardofBladeSteelforSteamTurbineinOurCountry1我国汽轮机行业的发展2我国汽轮机叶片用钢的标准演变(1)汽轮机叶片材料的特性(2)叶片用钢的标准演变1Developmentofsteamturbineindustryinourcountry2Evolutiontostandardofbladesteelforsteamturbineinourcountry(1)Materialcharacteristicsofbladesteelforsteamturbine(2)Evolutiontostandardofbladesteelforsteamturbine东北特钢集团DongbeiSpecialSteelGroup我国汽轮机叶片用钢的标准演变及发展EvolutionandDevelopmenttoStandardofBladeSteelforSteamTurbineinOurCountry3我国汽轮机叶片用钢的市场需求4我国叶片用钢生产企业5结语3Marketdemandonbladesteelforsteamturbineinourcountry4Manufacturingenterpriseofbladesteelinourcountry5ConclusionDongbeiSpecialSteelGroup东北特钢集团我国汽轮机行业的发展DevelopmentofSteamTurbineIndustryinOurCountry汽轮机是火力发电站用锅炉、汽轮机和发电机三大主要设备之一。我国的汽轮机制造业的发展,是通过技术引进、消化吸收、继续创新,形成自主能力的发展过程。Steamturbineisoneofthethreekeyequipments(boiler,steamturbine,andgenerator)forthermalpowerstation.Aftertechnologyintroducing,digestionandabsorption,innovation,steamturbinemanufacturinginourcountryareabletodevelopindependently.东北特钢集团DongbeiSpecialSteelGroup我国汽轮机行业的发展DevelopmentofSteamTurbineIndustryinOurCountry先后经历了50年代和80年代两次大的技术引进。发电设备行业通过对引进技术的消化、吸收、掌握;国产化;优化三个阶段的科技攻关,逐渐形成了300MW、600MW乃至1000MW超临界、超超临界机组为主的格局。Ithasexperiencedtwoimportanttechnologyintroductionsin1950thand1980threspectively.Byrightofthreetechnologytacklingstages(digestion,absorption,masteringofintroducedtechnology,localizationofintroducedtechnology,andoptimizationofintroducedtechnology),powerequipmentindustryhasgraduallyformedthepatternthatmainlycomposedby300MW,600MW,and1000MWsupercriticalandultrasupercriticalunit.东北特钢集团DongbeiSpecialSteelGroup我国汽轮机行业的发展DevelopmentofSteamTurbineIndustryinOurCountry目前我国有10家汽轮机主机制造企业和一些专业辅机制造企业。全国年汽轮机生产当量近13000万千瓦,其中上汽、哈汽、东汽的生产量约9000万千瓦,汽轮机的生产能力基本能满足国内需求,并已经出口到海外。Atpresent,thereare10mainturbinemanufacturersandsomeprofessionalauxiliaryturbinemanufacturersinourcountry.Productionequivalentofsteamturbinealloverthecountryisabout130,000,000kw.,amongwhich,productionequivalentofShanghaiSteamTurbine,HarbinSteamTurbine,andDongfangSteamTurbineis90,000,000kw.Theproductioncapacityofsteamturbinecanbasicallymeetdomesticdemand,andsomeareexportedtoothercountries.DongbeiSpecialSteelGroup东北特钢集团我国汽轮机行业的发展DevelopmentofSteamTurbineIndustryinOurCountry另据国家统计局数字显示,从2005~2008年规模以上汽轮机制造行业企业集中度来看,我国汽轮机制造业主要分布在上海市、黑龙江省、四川省、江苏省、山东省。Inaddition,statisticsfromNationalStatisticalOfficeshowsthatviewingfromtheconcentrationofrelativelargesteamturbinemanufacturersfrom2005to2008,steamturbinemanufacturersinourcountryaremainlylocatedinShanghaiCity,HeilongjiangProvince,SichuanProvince,JiangsuProvince,andShandongProvince.东北特钢集团DongbeiSpecialSteelGroup2008年1~8月份中国汽轮机产量分布状况单位:%SteamTurbineDistributionfromJanuary-August2008inChinaUnit:%东北特钢集团山东省ShangdongProvince,3.58%黑龙江HeilongjiangProvince,30.03%其他Others,6.59%江苏省,JiangsuProvince7.70%四川省,SichuanProvince22.48%上海市,ShanghaiCity29.62%DongbeiSpecialSteelGroup1汽轮机叶片材料的特性1Materialcharacteristicsofbladesteelforsteamturbine叶片是汽轮机的重要零部件之一。叶片在工作状态下需承受拉应力、扭应力和振动应力等组成的复杂应力,同时还受到腐蚀作用,故对叶片材料提出较高的要求。Bladeisoneofthekeypartsforsteamturbine.Workingbladeundertakesthecomplexstresscomposedbytensilestress,twistingstressandvibrationstressetc,anditisalsoaffectedbycorrosion,sodemandtobladematerialsisverystrict.我国汽轮机叶片用钢的标准演变EvolutiontoStandardofBladeSteelforSteamTurbineinOurCountry东北特钢集团DongbeiSpecialSteelGroup我国汽轮机叶片用钢的标准演变EvolutiontoStandardofBladeSteelforSteamTurbineinOurCountry叶片材料必须具有足够高的室温机械性能,当工作温度在400℃以上时要求有高的蠕变极限和持久强度,并需有一定的耐腐蚀能力和高的消振性以及良好的加工工艺性能。末级动叶材料不但强度应更高,而且要考虑抗水滴冲蚀问题。Bladematerialsmustprovidesufficientmechanicalpropertiesunderroomtemperature,andhighcreeplimitandlastingstrengthwhenitworksunderatemperatureabove400℃.Moreover,itisrequiredtobeofcertaincorrosionresistantability,highvibrationabsorbingaswellasexcellentprocessingtechnologyfeatures.Materialsforlaststagebladeneednotonlyhigherstrength,butthewashed-outandcorrosionresistanceshallbetakenintoconsiderationaswell.DongbeiSpecialSteelGroup东北特钢集团2叶片用钢的标准演变2EvolutiontoStandardofBladeSteelforSteamTurbine1988年2月2日原中华人民共和国冶金工业部批准了GB/T8732—1988《汽轮机叶片用钢》标准,并于1989年3月1日实施。OnFebruary2nd,1988,formerMinistryofMetallurgicalIndustryofthePeople’sRepublicofChinaapprovedGB/T8732—1988BladeSteelforSteamTurbineandimplementedonMarch1st,1989.东北特钢集团DongbeiSpecialSteelGroup2004年1月19日国家质量监督检验检疫总局、国家标准化管理委员会发布了GB/T8732—2004《汽轮机叶片用钢》,它代替GB/T8732—1988,并于2004年7月1日实施。OnJanuary19th,2004,Ge
本文标题:我国汽轮机叶片用钢的标准演变及发展-Microsoft
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