Calculations per ABS Code along with ASME Sec ... - PEng-Consulting [PDF]

Configuration : Ring. Bolting Information. Bolt size : Nominal Bolt Dia. : Root Bolt Dia.: Number of Bolts: Bolt Circle

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

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): 762.00 mm Shell Outside Diameter (corroded): 762.00 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 4-4-1 App1 Eq:1) or (ASME Paragraph UG-27(c)(1))

Longitudinal Stress Calculations per (ABS 4-4-1 App1 Eq:3) or (ASME Paragraph UG-27(c)(2))

Nominal Shell thickness selected – 10.0 mm

PART 4 CHAPTER 4 SECTOIN 1 Appendix 1 – Rules for Design 16” Nozzle Design Information Design Pressure: 10 [Bar] / 1 [Mpa] Design Temperature: 65°C Nozzle Outside Diameter (new): 406.4 [mm] Nozzle Outside Diameter (corroded): 406.4 [mm] Nozzle Pipe Schedule: 30 (9.53 mm) Nozzle External Projection: 150 [mm] Nozzle Internal Projection: 0.00 [mm] Shell Outside Diameter (new): 762.00 mm Shell Outside Diameter (corroded): 762.00 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 4-4-1 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 4-4-1 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

PART 4 CHAPTER 4 SECTOIN 1 Appendix 1 – Rules for Design 16” Nozzle Design Information

Nozzle Reinforcement Calculations (ABS 4-4-1 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

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