m3低温球罐设计.docx

m3低温球罐设计.docx

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m3低温球罐设计

摘要

球罐作为大容量、有压贮存容器，在各工业部门中作为液化石油气、液化天然气、液氧、液氮、液氢、液氨、及其他中间介质的贮存；也作为压缩空气、压缩气体的贮存。

在原子能工业中球罐还作为安全壳使用。

本课题是2000m³低温球罐设计，通过查阅相关书籍，对该球罐的结构、强度进行详细的计算，从附件、可能引起的突发因素等多角度考虑，以GB12337-2011《钢制球形储罐》，GB150-2011《钢制压力容器》，GB50094-2011《球形储罐施工及验收规范》作为设计、制造、检验和验收的规范标准对该球罐进行了设计，最终完成了本课题设计。

关键词：

设计、计算、球罐

Abstract

Sphericaltankusedasalargecapacity,pressurecontainer,intheindustrialsectorasliquefiedpetroleumgas,liquefiednaturalgas,liquidoxygen,liquidnitrogen,liquidhydrogen,liquidammonia,andothermediumstorage;alsoascompressedair,compressedgasstorage.Intheatomicenergyindustryinsphericaltankalsoassafetyshell.Thistopicisthe2000mlowtemperaturesphericaltankdesign,throughconsultingrelevantbooks,onthesphericaltankstructure,intensityofthedetailedcalculation,fromattachment,maycauseunexpectedfactorsandotherpointofview,toGB12337-2011"steelsphericaltanks",GB150-2011"steelpressurevessel",GB50094-2011"codeforconstructionandacceptanceofsphericalstoragetank"asthedesign,manufacture,inspectionandacceptancestandardofthesphericaltankisdesigned,thefinalcompletionoftheprojectdesign.Throughthisdesign,Iunderstand

Keywords:

design,calculation,sphericaltank

摘要.................................................................I

Abstract.............................................................I

第一章绪论..........................................................1

1.1概述.....................................................1

1.1.1球形容器的特点.........................................1

1.1.2球形容器的分类.........................................1

1.1.3球罐的设计参数..........................................1

1.2国内外发展状况.............................................2

1.2.1球罐建造的历史概论.......................................2

1.2.2国内球罐建造概论.........................................2

第二章橘瓣型球罐的结构设计...........................................4

2.1设计参数...................................................4

2.2基本尺寸确定................................................4

2.3材料选择....................................................4

2.4球壳设计...................................................4

2.4.1球带计算................................................4

2.4.2厚度的计算...............................................5

第三章球罐受力分析...................................................7

3.1球罐质量计算...............................................7

3.2地震载荷计算...............................................8

3.3风载荷计算.................................................9

3.4弯矩计算...................................................10

第四章强度及稳定性校核...............................................11

4.1支柱计算....................................................11

4.1.1单个支柱的垂直载荷........................................11

4.1.2组合载荷..................................................11

4.1.3单个支柱弯矩..............................................11

4.1.4支柱稳定性校核............................................13

4.1.5稳定性校核................................................13

4.2地脚螺栓的计算..............................................14

4.3支柱底板计算................................................14

4.3.1支柱地板的直径............................................15

4.3.2底板的厚度................................................15

4.4拉杆计算....................................................16

4.4.1拉杆螺纹小径的计算.......................................16

4.4.2拉杆连接部位的计算.........................................16

4.4.3耳板厚度...................................................17

4.4.4翼板厚度...................................................17

4.4.5焊缝强度验算...............................................17

4.5支柱与球壳连接最低点a的应力校核............................18

4.5.1a点的剪切应力.............................................18

4.5.2a点的纬向应力.............................................18

4.5.3a点的应力校核.............................................19

4.6支柱与球壳连接焊缝的强度校核.................................19

4.7开孔补强校核.................................................19

第五章球壳分瓣计算.....................................................22

5.1各纬带截面下弦口直径.........................................22

5.2各带弧长.....................................................22

5.3球瓣（半球以上）各点弧长.....................................22

5.4球瓣相对于Cm的弧长...........................................23

5.5球瓣径向边缘各测点弦长.......................................23

5.6球瓣径向边缘相应于Cm的弧长的一半.............................23

5.7各带球瓣弦口弧长和弦长.......................................24

5.8各带球瓣弦口展开半径.........................................24

5.9极带几何尺寸计算.............................................25

5.10各带球瓣对角线弦长和弧长....................................25

第6章球罐的压力试验...................................................27

6.1液压试验应力校核.............................................27

6.2气压试验应力校核.............................................27

6.3致密性试验...................................................27

第七