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10000立方米石油液化气球罐设计-I-摘要球形压力容器（以下简称球罐）具有占地少、受力情况好、承压能力高，可分片运到现场安装成形、容积的大小基本不受运输限制等其它压力容器无可比拟的优点，在石油、化工、城市燃气、冶金等领域广泛用于存储气体和液化气体。近年来我国球罐的大型化和高参数化工程技术水平有了长足的进步，通过对引进球罐的消化、吸收和创新，很多高参数球罐已经实现了国产化，为我国的经济发展做出了积极的贡献。为满足我国石油液化气存储需求，同时也满足石油、化工、轻纺、冶金等行业对球罐大型化的需要，迫切需要发展有自主知识产权的特大型球罐核心技术。球罐的大型化是一个复杂的系统工程，它涉及到多个学科和技术领域。针对10000m3大型石油液化气球罐设计、制造中的几个关键技术：球罐选材、结构设计和应力分析等方面进行了研究，完成了如下工作：（1）阅读大量国内外文献，在系统了解球罐结构设计及制造方法的基础上，完成文献综述的撰写。（2）对球罐选材进行分析比较，最终确定采用15MnNbR；对球罐进行工艺结构设计和尺寸计算；根据GB12337-98《钢制球形储罐》对球罐进行结构与强度设计计算。（3）进行球罐图纸绘制，完成球罐装配图及各主要零部件图。（4）使用压力容器分析设计系统（VAS2.0）对球罐进行强度分析，对球壳和支座连接处进行应力分析和强度评定。关键词：球形储罐；容器用钢；结构；应力分析10000立方米石油液化气球罐设计-II-Designof10000m3SphericalTankforLiquefiedPetrolemGasAbstractBecauseofitsunexampledadvantagessuchaslessfloorareacovering,high-pressurecapabilityandtransportfacilitates,Sphericalpressuretanks(hereinafterreferredtoasthe“storagetank”)usedforstorageofgasandliquefiedgasmorewidelythanotherstoragetanksintheoil,chemical,citygas,metallurgyandotherfields.Inrecentyears,Chinaengineeringandtechnicallevelofsphericaltankhasmadegreatprogressthroughtheintroduction,absorptionandinnovationofforeignsphericaltanktechnology.Tomeetthedemandofourcountry'sliquefiedpetrolemgasstorage,andmeetthedemandoflarge-scaletankinthepetroleum,chemical,textile,metallurgicalandotherindustries,itisurgenttodevelopthecoretechniqueoflarge-scalesphericaltankwithourownintellectualpropertyrights.Constructionofincreasinglylargersphericaltankisacomplexandsystematicproject,whichinvolvesanumberofdisciplinesandtechnicalfields.inviewofresearchofkeydesignandmanufacturetechnologyof10000m3large-scaleliquefiedpetrolemgastank,fromtheperspectivessuchasevaluationandselectionofmainmaterial,structuredesigntheoryandstressanalysis,wehavesolvedseveralkeytechnologyofsphericaltankconstruction.Thisarticlehascompletedtheprimaryresearchworkcoverage,whichwasshownasfollows:(1)Basedonwellunderstandingofstructuredesignandmanufacturingmethodsofsphericaltank,Iwriteliteraturesummaryafterreadingalargenumberofdomesticandforeignliterature.(2)Throughanalysisandcomparisonofthematerials,Ifinallyselect15MnNbR;Afterthestructuraldesignofprocessanddimensioncalculation,IcompletethecalculationofstructureandstrengthaccordingtoGB12337-98.(3)Thedrawingsofthetankincludeanassemblydrawingandseveralpartsdrawings.(4)Forthejunctionbetweensphericalshellandstanchion,stressanalysisandstrengthassessmentiscompletedbythesystemofDesignbyAnalysisforpressurevessels(VAS2.0).KeyWords：Sphericaltank；Steelforpressurevessels；structure；stressanalysis10000立方米石油液化气球罐设计-III-目录摘要.....................................................................................................................................IAbstract.....................................................................................................................................II1文献综述..............................................................................................................................11.1课题研究的工程背景及理论、实际意义...............................................................11.2球罐用钢...................................................................................................................11.2.1球罐用钢基本要求分析................................................................................11.2.2国内外球罐的常用钢种................................................................................21.2.3几种典型球罐用钢的优劣对比....................................................................21.3球罐设计...................................................................................................................31.3.1球罐设计的执行标准及法规........................................................................31.3.2球壳结构........................................................................................................41.3.3支座结构........................................................................................................41.3.4拉杆结构........................................................................................................51.3.5支柱与球壳连接下部结构............................................................................61.3.6接管补强结构................................................................................................71.3.7球罐的设计方法............................................................................................81.4球罐制造.................................................................................................................101.5球罐安装及检验技术.............................................................................................111.6球罐的发展趋势和面临的问题.............................................................................111.6.1球罐发展趋势..............................................................................................111.6.2球罐的大型化面临的问题..........................................................................12210000m3石油液化气球罐设计说明.................................................................................132.1基本参数......................................................................................................