课程设计说明书--中压蒸汽凝液罐.doc

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····················································61参数选取··················································61.1设计压力与计算压力的确定································61.2设计温度的确定··········································61.3厚度附加量··············································6 1.3.1厚度负偏差··········································6 1.3.2腐蚀裕量············································61.4焊接接头系数············································62筒体······················································72.1筒体材料················································72.2筒体许用应力············································72.3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········································72.4筒体厚度水压试验校核····································71 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······························83封头······················································83.1封头选型················································83.2封头厚度················································83.3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········································93.4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······························94附件选择··················································104.1支座····················································104.2法兰····················································104.3垫片····················································104.4加强圈··················································104.5补强圈··················································10 4.5.1补强判别············································10 4.5.2补强计算方法判别····································10 4.5.3开孔所需补强面积····································11 4.5.3.1封头计算厚度······································11 4.5.3.2开孔所需补强面积··································11 4.5.4有效补强范围········································11 4.5.4.1有效宽度B·········································11 4.5.4.2有效高度··········································11 4.5.5有效补强面积········································12 4.5.5.1封头多余金属面积··································12 4.5.5.2接管多余金属面积··································12 4.5.5.3接管区焊缝面积····································12 4.5.5.4有效补强面积······································12 4.5.6所需另行补强面积····································12 4.5.7补强圈设计··········································135储罐支座反力计算··········································135.1储罐质量················································13 5.1.1筒体质量············································13 5.1.2封头质量············································13 5.1.3附件质量············································14 5.1.4充气、液质量········································14 5.1.5保温层质量··········································14 5.1.6总质量··············································14 5.1.6.1操作时质量········································14 5.1.6.2压力实验时质量····································145.2支座反力················································14 5.2.1操作时反力··········································14 5.2.2压力实验时反力······································15 5.2.3支座反力选取········································155.3弯矩····················································15 5.3.1圆筒中间横截面······································15 5.3.2鞍座平面············································166圆筒应力计算与校核········································166.1圆筒轴向应力············································16 6.1.1内压未加压··········································16 6.1.2内压加压············································17 6.1.3外压加压············································17 6.1.4外压未加压··········································17 6.1.5未加压··············································18 6.1.6加压················································18 6.1.7轴向应力校核········································186.2圆筒和封头切应力········································19 6.2.1圆筒切应力··········································19 6.2.2封头切应力··········································19 6.2.3封头切应力校核······································196.3圆筒周向应力···。