目录毕业设计说明书................................................................................................................................................10、引言..............................................................................................................................................................21.压力容器概述.........................................................................................................................................22.卧式储罐简介.........................................................................................................................................2一、二甲基亚砜储罐的设计及材料计划.......................................................................................................31.设计依据.................................................................................................................................................32.产品介绍.................................................................................................................................................43.材料计划.................................................................................................................................................53.1材料采购......................................................................................................................................53.2材料的初检验收.........................................................................................................................63.3材料的保管..................................................................................................................................6二、OCr18Ni9的焊接性分析及防止缺陷措施.............................................................................................71.材料化学成分及性能分析..................................................................................................................72.焊缝中易出现的的问题及预防措施..................................................................................................72.1奥氏体不锈钢的晶间腐蚀...........