会员注册 | 登录 | 微信快捷登录 QQ登录 微博登录 | 帮助中心 人人文库renrendoc.com美如初恋!
站内搜索 百度文库

热门搜索: 直缝焊接机 矿井提升机 循环球式转向器图纸 机器人手爪发展史 管道机器人dwg 动平衡试验台设计

   首页 人人文库网 > 资源分类 > DOC文档下载

机械外文翻译--不锈钢.doc

  • 资源星级:
  • 资源大小:62.00KB   全文页数:14页
  • 资源格式: DOC        下载权限:注册会员/VIP会员
您还没有登陆,请先登录。登陆后即可下载此文档。
  合作网站登录: 微信快捷登录 支付宝快捷登录   QQ登录   微博登录
友情提示
2:本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3:本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰   

机械外文翻译--不锈钢.doc

StainlessSteelPetrochemicalindustrywithitsownproductionofsomeofthefeatures,suchasitsoperatingtemperaturerange,lowtemperatureconditionsupto196℃,temperaturescanreachmorethan500℃operatingpressurethereisexternalpressure,vacuum,atmosphericpressure,mediumpressure,highpressure,ultrahighpressuremorethan100MPaInaddition,theoperatingenvironmentinthemediumcomplexity,suchastheexistenceofcorrosion,wearandtear,andflammable,explosive,toxicandothersolid,gaseous,liquidandavarietyofmixedmediachloride,sulfideandothersaltcategory.Therefore,thepetrochemicalindustryintheuseofstainlesssteel,therequirementsofstainlesssteelhasstrongcorrosionresistance,includingantichloride,sulfideandothercorrosivesaltsresistanttohightemperatureandlowtemperatureperformance.Amongthem,thepetrochemicalplantat500600℃,theequipmentandpipematerialsingeneraltochooseavarietyofausteniticstainlesssteelbased,suchas304H,316,321,suchasausteniticstainlesssteelhasbeenwidelyusedandforoilexploration,thedevelopmentofthefieldofstainlesssteelwithanticalledcarbondioxide,hydrogensulfidecorrosionproperties.Atpresent,Chinascrudeoilexploration,developmentismainlyusedin3Cr,9Cr,13Cr,super13CrandcontainingmorethanCr22stainlesssteelthickwalled,nonmagneticdrillcollaranddrillpipe.Atpresent,Chinaspetrochemicalindustryinthestainlesssteelvarietyofchoice,ingeneralto304mainly,steelplatethicknessof6to22millimeters,themainpolymerusedintheconstructionofstoragetanks,heatexchangershell.Inaddition,somepiecesoftheuseofreactortower316L,TP347,etc.,thethicknessof26mm.GlacialaceticacidandliquiddeliveryvehiclestraintankerGeneraluseof304and306plate.Inaddition,productionofthedevicebecauseoftheexistenceofureacarbamateaminecondensate,ahighlycorrosive,generallystripper,separation,andtheuseof316Lstainlesssteelcondenser.Onthestainlesssteelcladplate,suchplatemainlyusedinoilrefiningequipmentreactiontower,commonlyusedfor20R0Cr13AL,16MnR0Cr13AL,20R0Cr13such.Duetothesubstrate,rehabilitationmaterialsandproductionmethods,equipmentlimitations,domesticcompositesteelplatethickness,lengthfarfrombeingabletofullymeetthedemandsofthepetrochemicalindustry.Inaddition,thedomesticstainlesssteelplatesplicing,heattreatment,testingandothermeansyettobeimproved.Asaresultofawiderangeofstainlesssteel,petrochemicalindustry,currentlyusedforthetypeofausteniticstainlesssteel,ofwhich304brandsofstainlesssteelplate,tubeforgingslargestamount,316,304L,316Loftheplate,tube,forgingalargeramount,ASTMstandardTP321,TP347,TP316brandsofboilertubes,heatexchangerisalsograduallyincreasingdosage.Inaddition,aspecialtwowaystainlesssteelasaresultofcorrosionresistance,ChiangKaishekinthepetrochemicalindustryhasbeenrapidpromotionanduse,ofwhichtwowaygraduallyincreasingtheamountofstainlesssteeltubes.Atpresent,Chinaspetrochemicalindustryintheuseofstainlesssteelisabout70,000tons,ofwhichstainlesssteelplate8mmormoretheamountofapproximately10,000tons,stainlesssteelcompositeplateisabout15,000tons,stainlesssteelseamlesssteeltubeisabout40,000tons,stainlesssteelpipeisabout5000tons.DomesticstainlesssteelinthepetrochemicalfieldofapplicationofthereasonsfornotwidespreadAtpresent,thedomesticstainlesssteelinthepetrochemicalfieldofapplicationisnotextensive,mainlyinthefollowingreasonsFirst,donotsupporttheissueofstandards.Chinaspetrochemicalindustryhasbeenformedtomeetthedevelopmentneedsofthestandardsystemathomeandabroadforhighpressure,highsulfur,carbondioxidehighthreehighnaturalgasproductionequipment,materialsmelting,manufacturing,testing,testingtechnologysubsidiarynormsandstandardsisstillincomplete.Second,productproblems.Inthisregard,mainlystainlesssteelplate,tube,forging,weldingmaterialisnotmatching.Third,theissuesize.Domesticmetallurgicalindustryneedsofthepetrochemicalindustryinthethickwideboard,largediameter,thickwalledsteelpipeproductioncapacityisverylimited.Fourth,qualityissues,productqualitystainlesssteeltubeinstability.Fifth,researchanddevelopmentproblems.NewvarietiesofthedomesticstainlesssteelRDandproductionisstillunabletomeetthepetrochemicalindustrysdevelopmentneeds.Inaddition,thestainlesssteelresearch,productionandexchangeofinformationbetweenusersoftheexistenceoftheproblempoor.Asaresultofthesefactors,theneedforstainlesssteelandpetrochemicalindustriestherearemanyvarietiesofdomesticenterprisescannotprovide,suchasfourmeterswideoftheheavyplateproductioninChinaisnotyet,therearemanyformsofstainlesssteelequipmentisimported.Inaddition,domesticenterprisesinproductdevelopmentwithforeignenterprisesisstilllaggingbehindcomparedto,forexample,somesteelcompaniesinEuropeeveryyeartolaunchadozennewvarietiesofstainlesssteel,andChineseenterprisesinthisrespect,theworkisnotenough.ThefivemajortrendsinthepetrochemicalproposednewrequirementsforstainlesssteelThefutureofChinaspetrochemicalindustrywillmovetowardsthetopfivetrendsinthedevelopmentofstainlesssteelproductsandhigherrequirements.Firstofall,thefutureofChinasoilandgasfieldexplorationanddevelopmenteffortswillfurtherincrease.Suchascarbondioxidewillbeinjectedbackundergroundwaystoreducecarbondioxideemissionsandimprovetheoilrecoveryrate.Atthesametime,Chinasnaturalgasexplorationanddevelopmenteffortswillbegreaterthanthecrudeoilexplorationanddevelopment,andtothehighsulfurcontent,carbondioxideareadevelopment16hydrogensulfidecontent,carbondioxidecontentofabout8,andwillfurtherdeepenthedepthofwells,landShamTsengwillexceedthe8000meters.Second,thepetrochemicalplantwillbelargescale.Ethyleneproductionofsingledevicewillexceedonemilliontonsrefiningsinglefactoryrefiningcapacitymorethan15milliontonsofpurifiedterephthalicacidPTAproductioncapacityofasingleplantmorethan800,000tonsstainlesssteeltankstothelargescaledevelopment.Thethirdisrunpetrochemicalplantwillbealongtermdevelopment,andgraduallyoverhaulthecurrentcycleofthetransitionto3years.Fourth,thepetrochemicalproductionwilldiversifythesourceofmaterialsdevelopment.Withtheimprovementoftherequirementsofenvironmentalprotectionandenergyconsumptionstructure,usingnaturalgasasrawmaterialsofchemicalindustryisdevelopingrapidly.Asaresultofnaturalgasatminus160℃canbeachievedundertheconditionsofliquefaction,sotheneedforstainlesssteelstorageandtransportationequipment.Inaddition,asChinasLNGimportsincreaseincoastalareasneedtoreceivelargescaleconstruction,workingcapitalandstoragefacilities,canbeexpectedinthisregardwillbeverylargestainlesssteelconsumption.Thesepetrochemicalindustrydevelopmenttrendofstainlesssteelproducts,specificationsandvarietieshaveputforwardnewdemands.Fromanticorrosionrequirements,thepetrochemicalindustryproductiondevicetemperature,pressure,mediaaremajorchangeshavetakenplace,stainlesssteelusedinamoreharshenvironment,anticorrosionperformancebyasinglechangetothecompositeperformance.Intheprocessingperformance,therequirementsofstainlesssteelahigherintensity,bettertoughness,weldabilityandgoodprocessability.Ingeometry,therequirementsofstainlesssteelproductsandhighprecision,widthincreased,largediametersteelpipe,steelpipewallthicknessincreased.Inthestandards,stainlesssteelproductionassoonaspossiblewithinternationalstandards.Inaddition,thepetrochemicalindustryasaresultofeachofwells,eachsetofconditionsofservicerefiningdevicethereisadifference,relatedstainlesssteelproductionenterprisesshouldbebasedontheactualsituationintheprovisionofpersonalizedservices.Inaddition,withtheincreasedusageofstainlesssteel,stainlesssteelusedineconomicsisevenmoreimportant.Therefore,thedomesticironandsteelenterprises,especiallythesteelpipeindustryshouldimprovethetechnologicalcontentofproductsandvalueadded,highendproductmarketoccupation.Atpresent,manyEuropeansteelisnolongertheproductionoflowvalueaddedoilwellpipes,andwillfocusentirelyonhighaddedtube,thepreparationforthesehighendproductsoccupiedtheChinesemarket.

注意事项

本文(机械外文翻译--不锈钢.doc)为本站会员(淘宝运营)主动上传,人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知人人文库网([email protected]),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

copyright@ 2015-2017 人人文库网网站版权所有
苏ICP备12009002号-5