ASME计算书例.docx

1、ASME计算书例CONTENTSItem Description Page No1.0 Design Datat 12.0 Loading Consideration tabulation 23.0 Shell &Jacket 34.0 TUBESHEET 65.0 Nozzle,Jacket & Closure plate(Shell Side)-N1&N2 86.0 Nozzle & Nozzle Opening N3,N4,N5,N6 117.0 Lifting Lug 148.0 Saddle Support 199.0 Test Pressure & Max Stress at Te

2、st Pressure 239.1 Shell Side Test Pressure 239.2 Max Stress of Shell at Hydrostatic Test Pressure 239.3 Shell Side Test Pressure 239.4 Max Stress of Shell at Hydrostatic Test Pressure 231.0 Design DataInternal PressureYesExternal PressureYes(shell side)Weight of the vessel and normal contents under

3、operating or test conditionsYesSuperimposed static reactions from weight of attached equipmentNoThe attachment of internal & externalYesCyclic and dynamic reactions due to pressure or thermal variations, or from equipment mounted on a vessel, and mechanical loadingNoWind, snow ,and seismic reactions

4、NoImpact reactionsNoTemperature gradients and differential thermal expansionNoAbnormal pressuresNo2.0 Loading Consideration tabulation ASME SEC DIV 1 UG-22Design Code:ASME Sec. Div.1 ED.2010Vessel TypeHorizontalShell SideJacket SideTube SideMediumPETDowtherm ADowtherm ADesign Pressure Bar2755.315.15

5、Design Temperature 340340340Working Pressure Bar-Hydro Test Pressure Bar400.17.3-Pnemuatic Test Pressure Bar-Radiography100%-Dye Penutration TestYESYESYESUTShell to tubesheet weld jointMTNOStress RelieveNOJoint Efficiency10.7-InsulationNOCorrosion Allowance000Quantity1Total Weight(Empty)6500Total We

6、ight(Full of Water)7500 3.0 Shell &Jacket Input Echo, Component 1, Description: SHELL/JACKET Design Internal Pressure P 27.50 MPa Temperature for Internal Pressure 340.00 C Include Hydrostatic Head Components NO Material Specification (Not Normalized) SA-266 2 Material UNS Number K03506 Material For

7、m used Forgings Allowable Stress At Temperature S 123.23 MPa Allowable Stress At Ambient SA 137.90 MPa Yield Stress At Temperature Sy 184.85 MPa Curve Name for Chart UCS 66 B Joint efficiency for Shell Joint E 1.00 Design Length of Section L 2500.0000 mm Length of Cylinder for Volume Calcs. CYLLEN 2

8、500.0000 mm Inside Diameter of Cylindrical Shell D 525.0000 mm Minimum Thickness of Pipe or Plate T 70.0000 mm Jacket Material Specification SA-516 70 Jacket Material UNS Number K02700 Jacket Allowable Stress At Design Sjk 130.13 MPa Jacket Allowable Stress At Ambient SAjk 137.90 MPa Jacket Closure

9、Bar Material Specification SA-516 70 Jacket Closure Bar Material UNS Number K02700 Closure Bar Allowable Stress At Design Sc 130.13 MPa Closure Bar Allowable Stress At Ambient SAc 137.90 MPa Shell/Head Int. Corrosion Allowance CA 1.5000 mm Skip UG-16(b) Min. thickness calculation NO Type of Element:

10、 Cylindrical Shell Internal pressure results, Shell Number 1, Desc.: SHELL/JACKET ASME Code, Section VIII, Division 1, 2010 Thickness Due to Internal Pressure (Tr): = (P*(D/2+CA) / (S*E-0.6*P) per UG-27 (c)(1) = (27.50*(525.0000/2+1.5000)/(123.23*1.00-0.6*27.50) = 68.0256 + 1.5000 = 69.5256 mm Max.

11、All. Working Pressure at Given Thickness (MAWP): = (S*E*(T-CA-CAE) / (D/2+CA)+0.6*(T-CA-CAE) per UG-27 (c)(1) = (123.23*1.00*(68.5000)/(525.0000/2+1.5000)+0.6*68.5000) = 27.67 MPa Maximum Allowable Pressure, New and Cold (MAPNC): = (SA*E*T) / (D/2+0.6*T) per UG-27 (c)(1) = (137.90*1.00*70.0000)/(525

12、.0000/2+0.6*70.0000) = 31.70 MPa Actual stress at given pressure and thickness (Sact): = (P*(D/2+CA)+0.6*(T-CA-CAE) / (E*(T-CA-CAE) = (27.50*(525.0000/2+1.5000)+0.6*(68.5000)/(1.00*(68.5000) = 122.49 MPa SUMMARY OF INTERNAL PRESSURE RESULTS: Required Thickness plus Corrosion Allowance, Trca 69.5256

13、mm Actual Thickness as Given in Input 70.0000 mm Maximum Allowable Working Pressure MAWP 27.668 MPa Maximum Allowable Pressure, NC MAPNC 31.701 MPa Design Pressure as Given in Input P 27.502 MPa Hydrostatic Test Pressures ( Measured at High Point ): Hydrotest per UG-99(b); 1.3 * P * SA / S 40.01 MPa

14、 Hydrotest per UG-99(c); 1.3 * MAPNC 41.21 MPa Pneumatic per UG-100 ; 1.1 * MAWP * Sa/S 34.06 MPa Percent Elongation per UCS-79 ( 50 * tnom/Rf * (1-Rf/Ro) ) 11.765 % Minimum Design Metal Temperature per UCS-66 Curve: B Min. Metal Temp. w/o impact per Fig. UCS-66 24 C Min. Metal Temp. at Reqd thk. (U

15、CS 66.1)rat 0.873 17 C Pextj = Pext + Pj = 0.00 + 0.53 = 0.53 MPa Design Length of Jacket Shell = 3815.00 mm External Pressure Results, Shell Number 1, Desc.: SHELL/JACKET ASME Code, Section VIII, Division 1, 2010 External Pressure Chart CS-2 at 340.00 C Elastic Modulus for Material 173758.44 MPa Re

16、sults for Max. Allowable External Pressure (Emawp): Corroded Thickness of Shell TCA 68.5000 mm Outside Diameter of Shell ODCA 665.0000 mm Design Length of Cylinder or Cone SLEN 3815.0000 mm Diameter / Thickness Ratio (D/T) 9.7080 Length / Diameter Ratio LD 5.7368 Geometry Factor, A f(DT,LD) A 0.0116

17、716 Materials Factor, B, f(A, Chart) B 91.5072 MPa Maximum Allowable Working Pressure 12.80 MPa EMAWP = (2.167/(D/T)-0.0833)*B = 12.8034 Results for Reqd Thickness for Ext. Pressure (Tca): Corroded Thickness of Shell TCA 8.7765 mm Outside Diameter of Shell ODCA 665.0000 mm Design Length of Cylinder

18、or Cone SLEN 3815.0000 mm Diameter / Thickness Ratio (D/T) 75.7707 Length / Diameter Ratio LD 5.7368 Geometry Factor, A f(DT,LD) A 0.0003467 Materials Factor, B, f(A, Chart) B 30.1208 MPa Maximum Allowable Working Pressure 0.53 MPa EMAWP = (4*B)/(3*(D/T) = ( 4 *30.1208 )/( 3 *75.7707 ) = 0.5300 Resu

19、lts for Maximum Length Calculation: No Conversion Corroded Thickness of Shell TCA 68.5000 mm Outside Diameter of Shell ODCA 665.0000 mm Design Length of Cylinder or Cone SLEN 0.1608E+33 mm Diameter / Thickness Ratio (D/T) 9.7080 Length / Diameter Ratio LD 50.0000 Geometry Factor, A f(DT,LD) A 0.0116

20、716 Materials Factor, B, f(A, Chart) B 91.5072 MPa Maximum Allowable Working Pressure 12.80 MPa EMAWP = (2.167/(D/T)-0.0833)*B = 12.8034 Summary of External Pressure Results: Allowable Pressure at Corroded thickness 12.80 MPa Required Pressure as entered by User 0.53 MPa Required Thickness including

21、 Corrosion all. 10.2765 mm Actual Thickness as entered by User 70.0000 mm Maximum Length for Thickness and Pressure 0.1608E+33 mm Actual Length as entered by User 3815.00 mm Jacket Design per ASME VIII Division 1 Appendix 9 Design per : Figure 9-2 Type 1 Attachment per : Figure 9-5 (d-1) Input Value

22、s: Pressure in the Jacket Region Pj 0.5300 MPa Closure Bar Thickness New tc 15.0000 mm Closure Bar Corrosion Allowance cc 1.5000 mm Closure Bar Design Stress S 130.1267 MPa Inner Shell Outside Diameter Dso 665.0000 mm Inner Shell Thickness New ts 70.0000 mm Inner Shell Corrosion Allow. Inside csi 1.

23、5000 mm Inner Shell Corrosion Allow. Outside cso 0.0000 mm Jacket Inside Diameter New Dji 685.0000 mm Jacket Thickness New tj 10.0000 mm Jacket Corrosion Allowance Inside cji 1.5000 mm Jacket Design Stress Sj 130.1267 MPa Jacket Length L 3815.0000 mm Jacket Design Length for inner Shell SL 3815.0000

24、 mm Jacket Weld Joint Efficiency E 0.7000 Results: Jacket Inside Radius Rj: = (Jacket I/Dia + 2 * ci) / 2 = (685.000 + 2 * 1.500 ) / 2 = 344.000 mm Jacket Corroded Thickness tjc: = tj - cji = 10.0000 - 1.5000 = 8.5000 mm Shell Outside Radius Rs: = (Shell O/Dia - 2 * co ) / 2 = (665.000 - 2 * 0.0000

25、) / 2 = 332.5000 mm Shell Corroded Thickness tsc: = ts - csi - cso = 70.0000 - 1.5000 - 0.0000 = 68.5000 mm Jacket Space Width j: = ( Jacket I/Dia + 2 * cji - Shell O/Dia + 2 * cso ) / 2 = ( 685.000 + 2 * 1.5000 - 665.000 + 2 * 0.0000 ) / 2 = 11.5000 mm Req. Jacket Thickness Due to Internal Pressure

26、 trj: = (Pj*(D/2+CA) / (S*E-0.6*Pj) per UG-27 (c)(1) = (0.53*(685.0000/2+1.5000)/(130.13*0.70-0.6*0.53) = 2.0086 + 1.5000 = 3.5086 mm Compute Required Closure Thickness trc: = 0.707 * j * Sqrt ( Pj / S ) + c = 0.707 * 11.500 * Sqrt(0.530 / 130.127 ) + 1.500 = 0.519 + 1.500 = 2.019 mm but trc is Max

27、( trc, 2 * trj ) + c = Max (0.519 , 2 * 2.009 ) + 1.500 = 5.5172 mm Jacket Percent Elong. per UCS-79 (50 * tnom/Rf * (1-Rf/Ro) 1.439 % Jacket Hydrotest Pressure: = 1.3 * 0.530 * 137.90 / 130.13 = 0.73 MPa SUMMARY Required Actual Result mm mm - Jacket Thickness: 3.509 10.000 Passed Closure Bar Thickn

28、ess: 5.517 15.000 Passed Weight and Volume Results, Original Thickness: Volume of Shell Component VOLMET 0.3271E+09 mm 3 Weight of Shell Component WMET 24861.5 N Inside Volume of Component VOLID 0.5412E+09 mm 3 Weight of Water in Component WWAT 5304.6 N Weight and Volume Results, Corroded Thickness:

29、 Volume of Shell Component, Corroded VOLMETCA 0.3209E+09 mm 3 Weight of Shell Component, Corroded WMETCA 24390.0 N Inside Volume of Component, Corroded VOLIDCA 0.5474E+09 mm 3 Weight of Water in Component, Corroded WWATCA 5365.4 N4.0 TUBESHEET Input Echo, Component 3, Description: TUBESHEET Design I

30、nternal Pressure P 27.50 MPa Temperature for Internal Pressure 340.00 C Include Hydrostatic Head Components NO Material Specification (Not Normalized) SA-266 2 Material UNS Number K03506 Material Form used Forgings Allowable Stress At Temperature S 123.23 MPa Allowable Stress At Ambient SA 137.90 MPa Yield Stress At Temperature Sy 184.85 MPa Curve Name for Chart UCS 66 B Joint