Asme Design

Overview of Pressure Vessel Design

Participant’s Guide

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Overview of Pressure Vessel Design
By: Vincent A. Carucci Carmagen Engineering, Inc.

Copyright ©1999 by

All Rights Reserved

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TABLE OF CONTENTS
PART 1: PARTICIPANT NOTES .....................................................................................5

PART 2:

BACKGROUND MATERIAL ..............................................................................64

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Part 1: Workbook

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OVERVIEW OF PRESSURE VESSEL DESIGN
By: Vincent A. Carucci CarmagenEngineering, Inc .

1

Notes:

Course Overview
• General • Materials of Construction • Design • Other Design Considerations • Fabrication • Inspection and Testing
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Notes:

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Pressure Vessels
• Containers for fluids under pressure • Used in variety of industries – Petroleum refining – Chemical – Power – Pulp and paper – Food
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Notes:

Horizontal Drum on Saddle Supports
Nozzle AShell Head Head

Saddle Support (Sliding)

SaddleSupport (Fixed)

A

Section A-A

Figure 2.1
4

Notes:

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Vertical Drum on Leg Supports
Head Shell Nozzle

Head

Support Leg

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Figure 2.2

Notes:

Tall Vertical Tower
Nozzle Head Trays Shell Nozzle

Cone

Nozzle Shell

Nozzle

Head Skirt Support

6

Figure 2.3

Notes:

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Vertical Reactor
InletNozzle Head Upper Catalyst Bed

Shell

Catalyst Bed Support Grid

Lower Catalyst Bed Outlet Collector Head Outlet Nozzle Support Skirt

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Figure 2.4

Notes:

Spherical Pressurized Storage Vessel
Shell

Support Leg

Cross Bracing

Figure 2.5
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Notes:

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Vertical Vessel on Lug Supports

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Figure 2.6

Notes:

Scope of ASME Code Section VIII
• Section VIII usedworldwide • Objective: Minimum requirements for safe construction and operation • Division 1, 2, and 3

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Notes:

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Section VIII Division 1
• 15 psig < P ≤ 3000 psig • Applies through first connection to pipe • Other exclusions
– Internals (except for attachment weld to vessel) – Fired process heaters – Pressure containers integral with machinery – Piping systems

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Notes:Section VIII, Division 2, Alternative Rules
• Scope identical to Division 1 but requirements differ
– Allowable stress – Stress calculations – Design – Quality control – Fabrication and inspection

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• Choice between Divisions 1 and 2 based on economics

Notes:

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Division 3, Alternative Rules High Pressure Vessels
• Applications over 10,000 psi • Pressure from external source,process reaction, application of heat, combination of these • Does not establish maximum pressure limits of Division 1 or 2 or minimum limits for Division 3.
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Notes:

• Subsection A • Subsection B

Structure of Section VIII, Division 1

– Part UG applies to all vessels – Requirements based on fabrication method – Parts UW, UF, UB

• Subsection C
– Requirements based on material class...