ASME取证用储罐强度计算书.doc

0 计算书号 Cal No JD 15 01 公司公司 EQUIPMENT Co Ltd 压力容器计算书 Calculation Sheet For Pressure Vessel 版 次 Rev No 0 产 品 名 称 空气储罐 Product Name Air Storage Tank 施 工 图 号 JDY15001 1 Drawing No JDY15001 1 版 次 0 Rev 0 0 版 次 Rev 编 制 Prepared By 批 准 Approved By 授权检验师 Authorized Inspector 1 计算书号 Cal No JD 15 01 公司公司 EQUIPMENT Co Ltd 压力容器计算书 Calculation Sheet For Pressure Vessel 版 次 Rev No 0 设设 计计 计计 算算 书书 Design Calculation Sheet 1 设计参数和条件设计参数和条件 Design Data and Condition 1 设计所遵循的规范 Applicable Design Code ASME Section Div 1 2013 2 设计压力 p 内部1 3Mpa Design Pressure p Internal 1 3 MPa 3 设计温度 60 Design Temperature 60 4 焊接接头系数 E 壳体为0 85 封头为0 85 无缝 Joint Efficiency E 0 85 for Shell and 0 85 for Heads seamless 5 材料最大许用应力 Material Max Allowable Stress Based on ASME Code Sec Part D Table 1A 壳体和封头 SA516 Gr 485 60 时为138MPa Shell tmin the smaller of 19mm or the thickness of the thinner of the parts jointed by a fillet single bevel or single J weld 5 54mm tc 不小于6mm 或0 7 tmin 3 87mm tc not less than the smaller of 6mm or 0 7tmin 3 87mm 角焊的实际焊喉尺寸 6 0 sin45 4 24mm 3 87mm Actual throat size of fillet weld 4 24mm 3 87mm so it is satisfactory 2 7检查孔 Inspection Openings 设备设有三个DN50的管口 N1 N2 N3 与之相连附件是可拆卸的 因此依据UG 46 f 可不另设检查孔 There are three DN50 N1 N2 N3 nozzles with removable attachments Therefore no inspection openings will be provided based on UG 46 f 3 热处理热处理 Heat treatment 3 1 制造后热处理制造后热处理 Post Fabrication Heat Treatment UCS 79 According to UCS 79 Forming strains for the shell shall be calculated as follows 钢板形成的圆筒 cylinders formed from plate 其中 R f 成形后的平均半径 255 mm Ro 原始半径 等于于钢板平面的正无穷 无穷大 t 成形前钢板的正常厚度 10 mm Where Rf mean radius after forming 255 mm Ro original radius equal to infinity for a flat plate 无穷大 t nominal thickness of the plate before forming 10 mm According to UCS 79 d For P No 1 group No 1 materials the extreme fiber elongation is less than 5 8 计算书号 Cal No JD 15 01 公司公司 EQUIPMENT Co Ltd 压力容器计算书 Calculation Sheet For Pressure Vessel 版 次 Rev No 0 No post fabrication heat treatment is required 3 2 焊后热处理焊后热处理 Post Weld Heat Treatment UCS 56 Shell and head material SA 516 Gr 485belongs to P No 1 nozzle and flange material SA 105M belongs to P No 1 see Section P Number material groupings of base metals for qualification of QW 422 All the welded joints not over 38mm thickness In according to Table UCS 56 note b the post weld heat treatment is not required 4 最低设计金属温度和冲击试验最低设计金属温度和冲击试验 MDMT and Impact Testing UCS 66 4 1 最低设计金属温度最低设计金属温度 MDMT 根据 客户设计条件 最低设计金属温度为0 The minimum design metal temperature MDMT is 0 per Gustomer s Design Specification 4 2 冲击试验冲击试验 Impact Testing UG 20 f 根据UG 20 f 压力容器材料满足下列要求时 按UG 84的冲击试验不 是 强制性的 According to UG 20 f impact testing per UG 84 is not mandatory for pressure vessel materials that satisfy all of following 1 材料 SA105M 为P No1 Gr No 1 厚度不超过下面 a 条的规 定 a 对于图UCS 66曲线B的材料25mm The material is P No1 Gr No1 SA105M and the thickness is not exceed that given in b below a 25mm for materials listed in Curve B of Fig UCS 66 材料 SA 516M Gr 485 为P No1 Gr No 1 厚度不超过下面 b 条的规 定 b 对于图UCS 66曲线D的材料25mm The material is P No1 Gr No1 SA 516M Gr485 and the thickness is 9 计算书号 Cal No JD 15 01 公司公司 EQUIPMENT Co Ltd 压力容器计算书 Calculation Sheet For Pressure Vessel 版 次 Rev No 0 not exceed that given in b below b 25mm for materials listed in Curve D of Fig UCS 66 2 按UG 99 对完工的容器进行液压试验 The completed vessel shall be hydrostatically tested per UG 99 3 设计温度为60 不高于345 且不低于 29 Design temperature is 60 it is no warmer than 345 nor colder than 29 4 热冲击或机械冲击载荷不作为控制性的设计要求 The thermal or mechanical shock loadings are not a controlling design requirement 5 循环载荷不作为控制性的设计要求 Cyclical loading is not a controlling design requirement 因此实际最低设计金属温度0 应免于冲击试验 So actual MDMT is 0 shall be exempt from impact testing 5 水压试验压力水压试验压力 Hydrostatic Testing Pressure UG 99 St 压力试验条件下封头 筒体 接管 法兰的许用应力 The allowable stress of the head cylinder nozzle and flange in the pressure test Sd设计条件下封头 筒体 接管 法兰的许用应力 The allowable stress of the head cylinder nozzle and flange in the design conditions According to UG 99 b and Sec Part D Table 1A The stress value St for the test temperature is 138 MPa the stress value Sd for the design temperature is 138 MPa so the hydrostatic testing pressure is MPaMAWP S S d t 69 1 3 1 381 381 3 13 1ptest 6 法兰的校核计算法兰的校核计算 Verify For Flanges According to ASME B16 5 2009 ANNEX B Table B1 the maximum allowable working pressure for the flanges of class150 at 60 is 1 91Mpa 10 计算书号 Cal No JD 15 01 公司公司 EQUIPMENT Co Ltd 压力容器计算书 Calculation Sheet For Pressure Vessel 版 次 Rev No 0 and the design pressure of the air storage tank is 1 3Mpa so the flanges is satisfactory 7 鞍式支座的校核计算鞍式支座的校核计算 Verify For Saddle Support JB T 4712 1 2007 鞍式支座允许载荷 Allowable loadings for Saddle Support A 一支座的横截面积 mm Ae 承受水平分力的腹板和垫板有效截面积 mm f 摩擦系数 取鞍座与基础垫板之间钢对钢的静摩擦系数f 0 3 h 圆筒最低表面至基础表面的距离 mm K9 系数 0 204 W 鞍座有效断面抗弯模量 mm 鞍座材料许用应力 MPa Q min min 133KN 空气储罐空重 M 298Kg The Air Storage Tank empty weight M 298Kg 空气储罐充满水重量 M1 598Kg When it is full of water M1 598Kg 空气储罐操作条件下重 M2 303Kg Weight of Normal Contents Under Operating Conditions M2 303Kg 空气储罐载荷 Air Storage Tank loadings When it is empty G M g 298Kg 9 8N Kg 2920 4N 2 9204KN Q 133KN When it is full of