ASME计算书例

CONTENTS Item Description Page No 1.0 Design Datat 1 2.0 Loading Consideration tabulation 2 3.0 Shell &Jacket 3 4.0 TUBESHEET 6 5.0 Nozzle,Jacket & Closure plate(Shell Side)-N1&N2 8 6.0 Nozzle & Nozzle Opening – N3,N4,N5,N6 11 7.0 Lifting Lug 14 8.0 Saddle Support 19 9.0 Test Pressure & Max Stress at Test Pressure 23 9.1 Shell Side Test Pressure 23 9.2 Max Stress of Shell at Hydrostatic Test Pressure 23 9.3 Shell Side Test Pressure 23 9.4 Max Stress of Shell at Hydrostatic Test Pressure 23 1.0 Design Data Internal Pressure Yes External Pressure Yes(shell side) Weight of the vessel and normal contents under operating or test conditions Yes Superimposed static reactions from weight of attached equipment No The attachment of internal & external Yes Cyclic and dynamic reactions due to pressure or thermal variations, or from equipment mounted on a vessel, and mechanical loading No Wind, snow ,and seismic reactions No Impact reactions No Temperature gradients and differential thermal expansion No Abnormal pressures No 2.0 Loading Consideration tabulation ASME SEC Ⅷ DIV 1 UG-22 Design Code:ASME Sec.Ⅷ Div.1 ED.2010 Vessel Type Horizontal 　 Shell Side Jacket Side Tube Side Medium PET Dowtherm A Dowtherm A Design Pressure Bar 275 5.3 15.15 Design Temperature ℃ 340 340 340 Working Pressure Bar - - - Hydro Test Pressure Bar 400.1 7.3 - Pnemuatic Test Pressure Bar - - - Radiography 100% - - Dye Penutration Test YES YES YES UT Shell to tubesheet weld joint MT NO Stress Relieve NO Joint Efficiency 1 0.7 - Insulation NO Corrosion Allowance 0 0 0 Quantity 1 Total Weight(Empty) 6500 Total Weight(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 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 efficiency for Shell Joint E 1.00 Design Length of Section L 2500.0000 mm Length of Cylinder for Volume Calcs. CYLLEN 2500.0000 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 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: 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. 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)/(525.0000/2+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 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 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 Req'd thk. (UCS 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 Results 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 0.0116716 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 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 Results 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 0.0116716 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 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 Values: 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 1.5000 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 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 ) / 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 [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 ( 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 Thickness: 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: 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 N 4.0 TUBESHEET Input Echo, Component 3, Description: TUBESHEET 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 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 efficiency for Head Joint E 1.00 Diameter of Flat Head D 686.0000 mm Minimum Thickness of Pipe or Plate T 189.0000 mm Shell/Head Int. Corrosion Allowance CA 1.5000 mm Attachment Factor CF 0.3300 Large Diameter of Flat Head DL 0.0000 mm Skip UG-16(b) Min. thickness calculation NO Type of Element: Flat Head Internal pressure results, Shell Number 3, Desc.: TUBESHEET ASME Code, Section VIII, Division 1, 2010 Thickness Due to Internal Pressure (Tr): = (D+2*CA) * SQRT(Z*CF*P/(S*E)) per UG-34 (c) (3) = (686.0000+2*1.5000)*SQRT(1.00*0.33*27.50/(123.23*1.00)) = 186.9795 + 1.5000 = 188.4795 mm Max. All. Working Pressure at Given Thickness (MAWP): = ((T-CA-CAE)/(D+2*CA))^2 * ((S*E)/(CF*Z)) per UG-34 (c) (3) = ((187.5000)/(686.0000+2*1.5000))**2*((123.23*1.00)/(0.33*1.00)) = 27.65 MPa Maximum Allowable Pressure, New and Cold (MAPNC): = (T/D)^2*((S*E) / (CF*Z)) per UG-34 (c) (3) = (189.0000/686.0000)**2*((137.90*1.00)/(0.33*1.00)) = 31.72 MPa Actual stress at given pressure and thickness (Sact): = (Z*CF*P) / ((((T-CA-CAE)/(D+2*CA))^2)*E) = (1.00*0.33*27.50)/((((187.5000)/(686.0000+2*1.5000))**2)*1.00) = 122.55 MPa SUMMARY OF INTERNAL PRESSURE RESULTS: Required Thickness plus Corrosion Allowance, Trca 188.4795 mm Actual Thickness as Given in Input 189.0000 mm Maximum Allowable Working Pressure MAWP 27.655 MPa Maximum Allowable Pressure, NC MAPNC 31.719 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 Hydrotest per UG-99(c); 1.3 * MAPNC 41.24 MPa Pneumatic per UG-100 ; 1.1 * MAWP * Sa/S 34.04 MPa Minimum Design Metal Temperature per UCS-66 Curve: B Min. Metal Temp. Cannot be Computed (T-CA) > 152.400 mm Weight and Volume Results, Original Thickness: Volume of Shell Component VOLMET 0.6986E+08 mm ^3 Weight of Shell Component WMET 5309.1 N Weight and Volume Results, Corroded Thickness: Volume of Shell Component, Corroded VOLMETCA 0.6930E+08 mm ^3 Weight of Shell Component, Corroded WMETCA 5267.0 N 5.0 Nozzle,Jacket & Closure plate(Shell Side)-N1&N2 Input Echo, Component 4, Description: N1 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 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 efficiency for Shell Joint E 1.00 Design Length of Section L 250.0000 mm Length of Cylinder for Volume Calcs. CYLLEN 250.0000 mm Inside Diameter of Cylindrical Shell D 171.0000 mm Minimum Thickness of Pipe or Plate T 25.5000 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 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: Cylindrical Shell Internal pressure results, Shell Number 4, Desc.: N1 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*(171.0000/2+1.5000))/(123.23*1.00-0.6*27.50) = 22.4175 + 3.0000 = 25.4175 mm Max. 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*(22.5000))/((171.0000/2+1.5000)+0.6*22.5000) = 27.59 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*25.5000)/(171.0000/2+0.6*25.5000) = 34.89 MPa Actual stress at given pressure and thickness (Sact): = (P*((D/2+CA)+0.6*(T-CA-CAE))) / (E*(T-CA-CAE)) = (27.50*((171.0000/2+1.5000)+0.6*(22.5000)))/(1.00*(22.5000)) = 122.84 MPa SUMMARY OF INTERNAL PRESSURE RESULTS: Required Thickness plus Corrosion Allowance, Trca 25.4175 mm Actual Thickness as Given in Input 25.5000 mm Maximum Allowable Working Pressure MAWP 27.589 MPa Maximum Allowable Pressure, NC MAPNC 34.885 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 Hydrotest per UG-99(c); 1.3 * MAPNC 45.35 MPa Pneumatic per UG-100 ; 1.1 * MAWP * Sa/S 33.96 MPa Percent Elongation per UCS-79 ( 50 * tnom/Rf * (1-Rf/Ro) ) 12.977 % Minimum Design Metal Temperature per UCS-66 Curve: B Min. Metal Temp. w/o impact per Fig. UCS-66 0 C Min. Metal Temp. at Req'd thk. (UCS 66.1)[rat 0.876] -7 C Pextj = Pext + Pj = 0.00 + 0.53 = 0.53 MPa Design Length of Jacket Shell = 120.00 mm External Pressure Results, Shell Number 4, Desc.: N1 ASME Code, Section VIII, Division 1, 2010 External Pressure Chart CS-2 at 340.00 C Elastic Modulus for Material 173758.44 MPa Results for Max. Allowable External Pressure (Emawp): Corroded Thickness of Shell TCA 22.5000 mm Outside Diameter of Shell ODCA 219.0000 mm Design Length of Cylinder or Cone SLEN 120.0000 mm Diameter / Thickness Ratio (D/T) 9.7333 Length / Diameter Ratio LD 0.5479 Geometry Factor, A f(DT,LD) A 0.1000000 Materials Factor, B, f(A, Chart) B 101.8309 MPa Maximum