Calculations per ABS Code along with ASME Sec. VIII Div.1 XXXX

Transcription

1 Calculations per ABS Code along with ASME Sec. VIII Div.1 XXXX

2 Grouping of Boilers and Pressure Vessels: PART 4 CHAPTER 4 SECTOIN 1 Table #2 and #3 >> Group II PART 4 CHAPTER 4 SECTOIN 1 Appendix 1 Rules for Design Cylindrical Shell Design Information Design Pressure: 10 [Bar] / 1 [Mpa] Design Temperature: 65 C Shell Outside Diameter (new): mm Shell Outside Diameter (corroded): mm Shell Length: 1200 mm. Shell actual THK = 10.0 [mm] Shell Material: SA-516 G70, All. stress for plate at 20⁰C mm =137.9 MPa All. stress for plate at 65⁰C mm =137.9 MPa = Inside Corrosion Allowance: 0.00 mm External Corrosion Allowance: 0.00 mm Long. Joint Efficiency: 85 % Circ. Joint Efficiency: 70 % Design Thickness Calculations Circumferential Stress Calculations per (ABS App1 Eq:1) or (ASME Paragraph UG-27(c)(1)) Longitudinal Stress Calculations per (ABS App1 Eq:3) or (ASME Paragraph UG-27(c)(2)) Nominal Shell thickness selected 10.0 mm

3 16 Nozzle Design Information Design Pressure: 10 [Bar] / 1 [Mpa] Design Temperature: 65 C Nozzle Outside Diameter (new): [mm] Nozzle Outside Diameter (corroded): [mm] Nozzle Pipe Schedule: 30 (9.53 mm) Nozzle External Projection: 150 [mm] Nozzle Internal Projection: 0.00 [mm] Shell Outside Diameter (new): mm Shell Outside Diameter (corroded): mm Shell actual THK = 10.0 [mm] Upper Weld Leg Size(Weld 41): 10.0 [mm] Nozzle Material: SA-106 B All. stress for pipe at 20⁰C mm =117.9 MPa All. stress for pipe at 65⁰C mm =117.9 MPa = Inside Corrosion Allowance: 0.00 mm External Corrosion Allowance: 0.00 mm Nozzle Efficiency: 85 % Eefficiency of shell at nozzle: 100 % UG-45 Thickness Calculations Nozzle Thickness for Pressure Loading (plus corrosion) per Paragraph UG-45(a) Directed to (ABS App1 Eq:1) or (ASME Paragraph UG-27(c)(1)) Nozzle Thickness for Internal Pressure (plus corrosion) per Paragraph UG-45(b)(1) Directed to (ABS App1 Eq:3) or (ASME Paragraph UG-27(c)(2)) Minimum Thickness of Standard Wall Pipe (plus corrosion) per Paragraph UG-45(b)(4) = 8.34 (Table UG-45)+0+0=8.34 Nozzle Minimum Thickness per Paragraph UG-45(b) Pipe Size: 10 Schedule: 30 Wall Thickness = 9.53 [mm] Nozzle is adequate for UG-45 requirements

4 16 Nozzle Design Information Nozzle Reinforcement Calculations (ABS App1 Section 7.1.1) or (ASME Paragraph UG-37(c)(2)) Area Required for Internal Pressure (ABS Figure 8) or (ASME Fig. UG-37.1) Area Available - Internal Pressure (ABS Figure 8) or (ASME Fig. UG-37.1) Appendix 1-7 Necessary Check: UG-36 (b)(1) says When Ds>1500, IF(2*Rn<=A92/3,IF(2*Rn<=1000,"App 1-7 Calculation not Required", "App 1-7 Calculation Required"),"App 1-7 Calculation Required") When Ds<=1500, IF(2*Rn<Ds/2,IF(2*Rn2<500,"App 1-7 Calculation not Required", "App 1-7 Calculation Required"),"App 1-7 Calculation Required") App 1-7 Calculation Required Opening is adequately reinforced for Internal Pressure Large opening meets Appendix 1-7 stress calculation requirements

5 16 Nozzle Design Information Nozzle Reinforcement Calculations Verification of strength per ASME Div1 Sec.VIII (App (b) Case B (Fig.1-7-1) <137.9 [Mpa] Large opening meets Appendix 1-7 stress calculation requirements

6 End plate (No holes) Design Pressure: 10 [Bar] / 1 [Mpa] Design Temperature: 65 C Shell Outside Diameter (new): mm Shell Outside Diameter (corroded): mm Shell actual THK = 10.0 [mm] Required shell wall thickness = [mm] Plate Outside Diameter (new): mm Plate Outside Diameter (corroded): mm Plate actual THK = 40.0 [mm] Shell Material: SA-516 G70, All. Stress for plate at 20⁰C mm =137.9 MPa All. stress for plate at 65⁰C mm =137.9 MPa = Inside Corrosion Allowance: 0.00 mm External Corrosion Allowance: 0.00 mm Plate Material: SA-516 G70, All. Stress for plate at 20⁰C =137.9 MPa All. Stress for plate at 65⁰C =137.9 MPa = Inside Corrosion Allowance: 0.00 mm External Corrosion Allowance: 0.00 mm Design Thickness Calculations Circular heads. The minimum required thickness of flat unstayed circular heads, covers and blind flanges is to be calculated by the following equation: (ABS App (b) Eq:4) or (ASME Paragraph UG-34(c)(2)) Factor depending upon the method of attachment Nominal End plate thickness selected 40.0 mm

7 Loose Costumed Housing Flange Design Pressure: 10 [Bar] / 1 [Mpa] Design Temperature: 65 C Shell Outside Diameter (new): mm Shell Outside Diameter (corroded): Shell Outside Diameter (corroded): Shell actual Required shell wall thickness Loose Flange Outside Diameter Loose Flange actual Shell Design Information Shell Material: SA-516 G70, All. Stress for plate at 20⁰C mm =137.9 MPa All. stress for plate at 65⁰C mm =137.9 MPa = Inside Corrosion Allowance: 0.00 mm External Corrosion Allowance: 0.00 mm Loose Flange Design Information Loose Flange Material: SA-516 G70, All. Stress for plate at 20⁰C All. Stress for plate at 65⁰C =137.9 MPa =137.9 MPa Gasket Outside Diameter : Gasket Inside Diameter : Nominal Wall Gasket THK: Mean Gasket Dia.: Gasket Width: Gasket & Facing Design Information Bolt Material: Self Energizing Configuration : Ring Bolt size : Nominal Bolt Dia. : Root Bolt Dia.: Number of Bolts: Bolt Circle Dia.: Bolting Information Bolt Material: SA193 BM8 All. Stress for Bolt at 20⁰C All. stress for Bolt at 65⁰C ABS Flange Calculations per App1. Section 5 or ASME Flange Calculations per. Appendix 2 Mean Gasket Dia.:

8 Loose Costumed Housing Flange Load and Bolting Calculations Internal Pressure Internal pressure Moments Calculations Operating Conditions Flange Moments Arms : ] Flange Moments :

9 Loose Costumed Housing Flange Shape Constants Calculated from ASME App.2 Figure Operating Conditions: Internal Pressure Stress Calculations Gasket Seating: Internal Pressure Rigidity Index per Appendix 2-14: No Internal Pressure Rigidity Index per Appendix Operating Conditions needed since vessel is not nonlethal and non flammable and Designed within the temperature design pressure of 1035 kpa without exceeding

10 Partition Plate Design Pressure: 10 [Bar] / 1 [Mpa] Design Temperature: 65 C Shell Outside Diameter (new): mm Shell Outside Diameter (corroded): Shell Outside Diameter (corroded): Shell actual Required shell wall thickness Partition Plate Outside Diameter Partition Plate actual thickness ] Partition Plate Wall THK tolerance Contact face dia. of partition Plate Evaluated patterned Holes in Blind Cover Hole Dia. Hole Dia. Pitch Distance: Shell Design Information Shell Material: SA-516 G70, All. Stress for plate at 20⁰C mm =137.9 MPa All. stress for plate at 65⁰C mm =137.9 MPa = Inside Corrosion Allowance: 0.00 mm External Corrosion Allowance: 0.00 mm Partition Plate Design Information Partition Plate Material: SA-516 G70, All. Stress for plate at 20⁰C All. Stress for plate at 65⁰C =137.9 MPa =137.9 MPa Gasket Outside Diameter : Gasket Inside Diameter : Nominal Wall Gasket THK: Mean Gasket Dia.: Gasket Width: Gasket & Facing Design Information Bolt Material: Self Energizing Configuration : Ring Bolt size : Nominal Bolt Dia. : Root Bolt Dia.: Number of Bolts: Bolt Circle Dia.: Bolting Information Bolt Material: SA193 BM8 All. Stress for Bolt at 20⁰C All. stress for Bolt at 65⁰C

11 ABS Flat Head Calculations per App1. Section 5 or ASME Flat Head per. App. 2 and App. 14 (UG-34; UG-39) PART 4 CHAPTER 4 SECTOIN 1 Appendix 1 Rules for Design Partition Plate Load and Bolting Calculations Internal Pressure Required Thickness (ABS Calculations per App1. Section 5) or (ASME Paragraph UG-34 & UG-39) Flange/Partition Plate Moments Arms : SEATING required minimum thickness of partition plate:

12 [ mm] Single opening on flat Head per UG39(d)(2) - use UG-34 (c )-Formula (2) and double the quantity under squared root sign: K= a factor depending upon the method of attachment ABS A1/5.7 (FIGURE 7 (j) ) = 0.3

13 Partition Plate Multiple openings on flat Head per ASME and ABS : UG-39 and A1/ eq5 respectively UG-39(e) Check pitch condition UG-39(e)(1): If then UG-39(d)(2) that direct you to use UG-34 (c )- Formula (2) h=1 UG-39(e)(2): If then compute h and multiple h UG-34 (c )- Formula (2) Then compute h: Flange stress Analysis per ASME and ABS : UG-39 and A1/ eq5 respectively : Max allowable stress Check condition : Nominal partition plate thickness selected 84.0 mm

14 LID Design Pressure: 10 [Bar] / 1 [Mpa] Design Temperature: 65 C Shell Outside Diameter (new): mm Shell Outside Diameter (corroded): Shell Outside Diameter (corroded): Shell actual Required shell wall thickness LID Outside Diameter LID actual thickness ] LID Wall THK tolerance Contact face dia. of the LID Evaluated patterned Holes in Blind Cover Hole Dia. Hole Dia. Pitch Distance: Shell Design Information Shell Material: SA-516 G70, All. Stress for plate at 20⁰C mm =137.9 MPa All. stress for plate at 65⁰C mm =137.9 MPa = Inside Corrosion Allowance: 0.00 mm External Corrosion Allowance: 0.00 mm Partition Plate Design Information LID Material: SA-516 G70, All. Stress for plate at 20⁰C All. Stress for plate at 65⁰C =137.9 MPa =137.9 MPa Gasket Outside Diameter : Gasket Inside Diameter : Nominal Wall Gasket THK: Mean Gasket Dia.: Gasket Width: Gasket & Facing Design Information Bolt Material: Self Energizing Configuration : Ring Bolt size : Nominal Bolt Dia. : Root Bolt Dia.: Number of Bolts: Bolt Circle Dia.: Bolting Information Bolt Material: SA193 BM8 All. Stress for Bolt at 20⁰C All. stress for Bolt at 65⁰C ABS Flat Head Calculations per App1. Section 5 or ASME Flat Head per. App. 2 and App. 14 (UG-34; UG-39)

15 LID Load and Bolting Calculations Internal Pressure Required Thickness (ABS Calculations per App1. Section 5) or (ASME Paragraph UG-34 & UG-39) Flange/Partition Plate Moments Arms : SEATING required minimum thickness of partition plate: [ mm] Single opening on flat Head per UG39(d)(2) - use UG-34 (c )-Formula (2) and double the quantity under squared root sign:

16 K= a factor depending upon the method of attachment ABS A1/5.7 (FIGURE 7 (j) ) = 0.3

17 LID Multiple openings on flat Head per ASME and ABS : UG-39 and A1/ eq5 respectively UG-39(e) Check pitch condition UG-39(e)(1): If then UG-39(d)(2) that direct you to use UG-34 (c )- Formula (2) h=1 UG-39(e)(2): If then compute h and multiple h UG-34 (c )- Formula (2) Then compute h=1: Flange stress Analysis per ASME and ABS : UG-39 and A1/ eq5 respectively : Max allowable stress Check condition : Nominal LID plate thickness selected 59 mm