GB150-3压力容器设计(XXXX)

ICS:23.020.30中华人民共和国国家标准GB150.3—20XX部分代替GB150—1998压力容器第3部分：设计PressureVesselsPart3:Design（报批稿）2011-××-××发布2011-××-××实施国家质量监督检验检疫总局发布GB150.3—2011I目次前言·································································································································································II1范围·····························································································································································12规范性引用文件·········································································································································13内压圆筒和内压球壳·································································································································14外压圆筒和外压球壳·································································································································35封头···························································································································································246开孔与开孔补强·······································································································································637法兰···························································································································································98附录A（规范性附录）非圆形截面容器································································································135附录B（规范性附录）钢带错绕筒体····································································································165附录C（资料性附录）密封结构············································································································168附录D（资料性附录）焊接接头结构····································································································213附录E（规范性附录）关于低温压力容器的基本设计要求··································································239GB150.3—2011II前言GB150《压力容器》分为以下4个部分：——第1部分：通用要求；——第2部分：材料；——第3部分：设计；——第4部分：制造、检验和验收。本部分为GB150《压力容器》的第3部分：设计。本部分在GB150—1998第5章至第9章、附录C、附录D、附录G和附录J的基础上，结合压力容器基本受压元件设计的实际需要及相关标准修订提案，同时为满足《固定式压力容器安全技术监察规程》的要求，进行修订编制。与GB150—1998相比，主要变化如下：——对应于原GB150—1998第5章：内压圆筒和内压球壳，本部分第3章增加了按外径进行壁厚设计计算的相应公式。——对应于原GB150—1998第6章：外压圆筒与外压球壳，本部分第4章主要变化内容为：a）修订了外压曲线图，增加了对应于高强度材料的外压曲线；b）增加了相对应的应力系数B曲线图选用表；c）加强圈的结构设计作了部分修改。——对应于原GB150—1998第7章：封头，本部分第5章中主要变化内容为：a）增加了偏心锥壳、低压折边平封头、带筋平封头和拉撑结构的设计计算方法；b）调整了部分平盖的结构特征系数K；c）增加了适用于平封头与筒体全焊透连接结构的塑性分析设计方法；d）增加了δ/R0.002时，球冠形封头与锥壳的设计方法。——对应于原GB150—1998第8章：开孔和开孔补强，本部分第6章对开孔和开孔补强设计计算方法内容进行了扩充，引入了筒体径向接管的整体补强设计方法，开孔率适用范围可达0.9。——对应于原GB150—1998第9章：法兰，本部分第7章中主要内容变化为：a）增加了整体法兰和按整体法兰计算的任意法兰的刚度校核计算要求；b）增加了波齿垫片设计选用参数。——将GB150—1998附录C“低温压力容器”中与设计相关的内容调整为本部分的附录E。——将GB150—1998附录D、附录G和附录J内容纳入本部分的附录A、附录C和附录D。主要调整或变化内容为：a）增加附录B“钢带错绕筒体设计”；b）附录C扩大了双锥密封的适用范围；c）附录D焊接结构根据实际情况进行了整理和补充。本部分的附录A、附录B、附录E为规范性附录，附录C、附录D为资料性附录。本部分由全国锅炉压力容器标准化技术委员会（SAC/TC262）提出并归口。GB150.3—2011III本部分负责起草单位：中国特种设备检测研究院本部分参加起草单位：中国石化工程建设公司、清华大学、浙江大学、浙江工业大学、中国石化集团上海工程有限公司、中国石油寰球工程公司。本部分主要起草人：寿比南、杨国义、李世玉、薛明德、徐锋、郑津洋、高增梁、桑茹苞、秦叔经、叶日新、冯清晓、陈朝晖、陈志伟、陈冰冰、张迎恺、朱国栋。本部分所代替标准的历次版本发布情况为：GB150—1989、GB150—1998。GB150.3—20111压力容器第3部分：设计1范围GB150.3规定了压力容器基本受压元件的设计要求。本部分适用于内压圆筒和内压球壳、外压圆筒和外压球壳、封头、开孔和开孔补强以及法兰的设计计算。本部分给出了非圆形截面容器（规范性附录A）、钢带错绕筒体（规范性附录B）、常用密封结构（资料性附录C）和焊接接头结构（资料性附录D）的基本设计要求。本部分还给出了关于低温压力容器的基本设计要求（规范性附录E）。2规范性引用文件下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本文件。凡是不注日期的引用文件，其昀新版本（包括所有的修改单）适用于本文件。GB150.1压力容器第1部分：通用要求GB150.2压力容器第2部分：材料GB150.4压力容器第4部分：制造、检验和验收JB/T4700压力容器法兰与技术条件JB/T4701甲型平焊法兰JB/T4702乙型平焊法兰JB/T4703长颈对焊法兰JB/T4704非金属软垫片JB/T4705缠绕垫片JB/T4706金属包垫片JB/T4707等长双头螺柱3内压圆筒和内压球壳3.1本章计算公式适用于单层、多层包扎、套合圆筒和球壳的计算。钢带错绕筒体设计计算按附录B进行。3.2术语、定义和符号3.2.1GB150.1中的术语和定义适用于本部分。3.2.2符号C——厚度附加量（按GB150.1），mm；对多层包扎圆筒和套合圆筒只考虑内筒的C值；Di——圆筒或球壳的内直径，mm；Do——圆筒或球壳的外直径（Do=Di+2δn），mm；pc——计算压力，MPa；GB150.3—20112[pw]——圆筒或球壳的昀大允许工作压力，MPa；δ——圆筒或球壳的计算厚度，mm；δe——圆筒或球壳的有效厚度，mm；δi——多层包扎圆筒内筒或套合圆筒内筒的名义厚度，mm；δn——圆筒或球壳的名义厚度，mm；δo——多层包扎圆筒层板层和套合圆筒套合层总厚度，mm；σt——设计温度下圆筒或球壳的计算应力，MPa；[σ]t——设计温度下圆筒或球壳材料的许用应力（按GB150.2），MPa；[σi]t——设计温度下多层包扎圆筒内筒或套合圆筒内筒材料的许用应力（按GB150.2），MPa；[σo]t——设计温度下多层包扎圆筒层板层或套合圆筒套合层材料的许用应力，MPa；——焊接接头系数；i——多层包扎圆筒和套合圆筒内筒的焊接接头系数；o——多层包扎圆筒层板层和套合圆筒套合层的焊接接头系数。3.3圆筒计算本节公式的适用范围为pc≤0.4[σ]tφ。设计温度下圆筒的计算厚度按式（3-1）或（3-2）计算：[]ctic2pDp−=φσδ································（3-1）[]ctoc2pDp+=φσδ································（3-2）圆筒的计算应力按式（3-3）或（3-4）计算：()eeict2δδσ+=Dp································（3-3）()eeoct2δδσ−=Dp································（3-4）σt值应小于或等于[σ]tφ。多层包扎圆筒及套合圆筒的[σ]tφ值按式（3-5）计算：[][][]otonoitinitφσδδφσδδφσ+=································（3-5）公式中φi=1.0，φo=0.95。设计温度下圆筒的昀大允许工作压力按式（3-6）或（3-7）计算：[][]eitew2δφσδ+=Dp································（3-6）[][]eotew2δφσδ−=Dp································（3-7）GB150.3—201133.4球壳计算本节公式的适用范围为Pc≤0.6[σ]tφ。设计温度下球壳的计算厚度按式（3-8）或（3-9）计算:[]ctic4pDp−=φσδ································（3-8）[]ctoc4pDp+=φσδ································（3-9）球壳的计算应力按式（3-10）或（3-11）计算：()eeict4δδσ+=Dp······························（3-10）()eeoct4δδσ−=Dp······························（3-11）σt值