大学毕业设计__课程设计说明书中压蒸汽凝液罐.docVIP

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大学毕业设计__课程设计说明书中压蒸汽凝液罐.doc

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大学毕业设计__课程设计说明书中压蒸汽凝液罐

辽宁石油化工大学过程装备与控制工程专业过程设备设计课程设计说明书题目: 中压蒸汽凝液罐学院:机械工程学院班级:装备1205班姓名:李神炜学号:1202010505 2015 年 12 月目录设计任务书··················································1 符号说明····················································2 设计计算····················································6 1参数选取··················································6 1.1设计压力与计算压力的确定································6 1.2设计温度的确定··········································6 1.3厚度附加量··············································6 1.3.1厚度负偏差··········································6 1.3.2腐蚀裕量············································6 1.4焊接接头系数············································6 2筒体······················································7 2.1筒体材料················································7 2.2筒体许用应力············································7 2.3筒体厚度················································7 2.3.1筒体计算厚度········································7 2.3.2筒体设计厚度········································7 2.3.3筒体名义厚度········································7 2.3.4筒体有效厚度········································7 2.4筒体厚度水压试验校核····································7 2.4.1耐压试验压力········································7 2.4.2筒体薄膜应力········································8 2.4.3耐压试验时容器强度校核······························8 3封头······················································8 3.1封头选型················································8 3.2封头厚度················································8 3.3封头厚度水压试验校核····································8 3.3.1封头设计厚度········································9 3.3.2封头名义厚度········································9 3.3.3筒体有效厚度········································9 3.4封头厚度水压试验校核····································9 3.4.1耐压试验压力········································9 3.4.2封头薄膜应力········································9 3.4.3耐压试验时封头强度校核······························9 4附件选择············