20M3液化石油气储罐设计

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20M3液化石油气储罐设计封面··································································1
目录··································································2
封皮··································································3
任务说明·······························································4
封面··································································6
第-章、工艺设计····················································7
1.压力容器存储量·········································7
2.压力计算···············································8
第二章、机械设计 ······················································8
1、结构设计·························································8
⑴、筒体和封头的设计·····································8
⑵、接管与接管法兰设计···································8
⑶、人孔、补强、液面计及安全阀的设计···················11
⑷、鞍座的设计······································12
⑸、焊接头设计·····································14
第三章、强度计算校核 ················································15
1、内压圆筒校核······································16
2、 左封头计算校核 ···········································17
3、 右封头计算校核 ···········································18
4、鞍座校核 ·······································19
5、各种接口补强校核 ·········································20
6、 各种法兰校核············································21
参考资料·····························································22
设计感想·····························································23

中北大学
课程设计任务书

2009/2010 学年第 二 学期
学 院： 机械工程与自动化学院
专 业： 过程装备与控制工程
学 生 姓 名： 学 号：
课程设计题目： 20M3液化石油气储罐设计

起 迄 日 期： 06 月 13 日～06月 24日
课程设计地点： 校内
指 导 教 师：
系 主 任：

下达任务书日期: 2010年06月13日

课 程 设 计 任 务 书
1.设计目的：
使用国家最新压力容器标准、规范进行设计，掌握典型过程设备设计的全过程。
掌握查阅、综合分析文献资料的能力，进行设计方法和方案的可行性研究和论证。
掌握电算设计计算，要求设计思路清晰，计算数据准确、可靠，且正确掌握计算机操作和专业软件的使用。
掌握工程图纸的计算机绘图。
2.设计内容和要求（包括原始数据、技术参数、条件、设计要求等）：
原始数据
设计条件表
序号 项 目 数 值 单 位 备 注
1 名 称 液化石油气储罐
2 用 途 液化石油气储配站
3 最高工作压力 2 MPa 由介质温度确定
4 工作温度 -20～48 ℃
5 公称容积（Vg） 20 M3
6 工作压力波动情况 可不考虑
7 装量系数(φV) 0.9
8 工作介质 液化石油气（易燃）
9 使用地点 室外
10 安装与地基要求 储罐底壁坡度0.01～0.02
11 其它要求
管口表

公称尺寸 连接尺寸标准 连接面形式 用途或名称
g 1-4 DN50 HG20595-97 MFM 液位计接口
c DN50 HG20595-97 MFM 放气管
b DN50 MFM 人 孔
n DN50 HG20595-97 MFM 安全阀接口
h DN50 HG20595-97 MFM 排污管
i DN50 HG20595-97 MFM 液相出口管
f DN50 HG20595-97 MFM 液相回流管
a DN50 HG20595-97 MFM 液相进口管
c DN50 HG20595-97 MFM 气相管
d DN50 HG20595-97 MFM 压力表接口
e DN50 HG20595-97 MFM 温度计接口