Guidelines for pressure relief and effluent handling systems

Saved in:
Bibliographic Details
Corporate Author American Institute of Chemical Engineers. Center for Chemical Process Safety (Author)
Format Electronic eBook
LanguageEnglish
Published New York, NY : John Wiley & Sons, Inc., [2017]
EditionSecond edition.
Subjects
Online AccessFull text
ISBN9781119330264
1119330262
9781119330295
1119330297
9780470767733
0470767731
Physical Description1 online resource

Cover

Table of Contents:
  • Intro
  • GUIDELINES FOR PRESSURE RELIEF AND EFFLUENT HANDLING SYSTEMS
  • Dedications
  • Contents
  • List of Figures
  • List of Tables
  • Preface
  • Acknowledgements
  • In Memoriam
  • Files on the Web Accompanying This Book
  • 1 Introduction
  • 1.1 Objective
  • 1.2 Scope
  • 1.3 Design Codes and Regulations, and Sources of Information
  • 1.4 Organization of This Book
  • 1.5 General Pressure and Relief System Design Criteria
  • 1.5.1 Process Hazard Analysis
  • 1.5.2 Process Safety Information
  • 1.5.3 Problems Inherent in Pressure Relief and Effluent Handling Systems
  • 2 Relief Design Criteria and Strategy
  • 2.1 Limitations of the Technology
  • 2.2 General Pressure Relief Strategy
  • 2.2.1 Mechanism of Pressure Relief
  • 2.2.2 Approach to Design
  • 2.2.3 Limitations of Systems Actuated by Pressure
  • 2.3 Codes, Standards, and Guidelines
  • 2.3.1 Scope of Principal USA Documents
  • 2.3.2 General Provisions
  • 2.3.3 Protection by System Design
  • 2.4 Relief Device Types and Operation
  • 2.4.1 General Terminology
  • 2.4.2 Pressure Relief Valves
  • 2.4.3 Rupture Disk Devices
  • 2.4.4 Devices in Combination (Series)
  • 2.4.5 Low Pressure Relief Valves &amp
  • Vents
  • 2.4.6 Miscellaneous Relief System Components
  • 2.4.7 Selection of Pressure Relief Devices
  • 2.5 Relief System Layout
  • 2.5.1 General Code Requirements
  • 2.5.2 Pressure Relief Valves
  • 2.5.3 Rupture Disk Devices
  • 2.5.4 Low-Pressure Devices
  • 2.5.5 Devices in Series
  • 2.5.6 Devices in Parallel
  • 2.5.7 Header Systems
  • 2.5.8 Mechanical Integrity
  • 2.5.9 Material Selection
  • 2.5.10 Drainage and Freeze-up Provisions
  • 2.5.11 Noise
  • 2.6 Design Flows and Code Provisions
  • 2.6.1 Safety Valves
  • 2.6.2 Incompressible Liquid Flow
  • 2.6.3 Low Pressure Devices
  • 2.6.4 Rupture Disk Devices
  • 2.6.5 Devices in Combination
  • 2.6.6 Miscellaneous Nonreclosing Devices.
  • 2.7 Scenario Selection Considerations
  • 2.7.1 Events Requiring Relief Due to Overpressure
  • 2.7.2 Design Scenarios
  • 2.8 Fluid Properties and System Characterization
  • 2.8.1 Property Data Sources/Determination/Estimation
  • 2.8.2 Pure-Component Properties
  • 2.8.3 Mixture Properties
  • 2.8.4 Phase Behavior
  • 2.8.5 Chemical Reaction
  • 2.8.6 Miscellaneous Fluid Characteristics
  • 2.9 Fluid Behavior in Vessel
  • 2.9.1 Accounting for Chemical Reactions
  • 2.9.2 Two-Phase Venting Conditions and Effects
  • 2.10 Flow of Fluids Through Relief Systems
  • 2.10.1 Conditions for Two-Phase Flow
  • 2.10.2 Nature of Compressible Flow
  • 2.10.3 Stagnation Pressure and Non-recoverable Pressure Loss
  • 2.10.4 Flow Rate to Effluent Handling System
  • 2.11 Relief System Reliability
  • 2.11.1 Relief Device Reliability
  • 2.11.2 System Reliability
  • 3 Requirements for Relief System Design
  • 3.1 Introduction
  • 3.1.1 Required Background
  • 3.2 Vessel Venting Background
  • 3.2.1 General Considerations
  • 3.2.2 Schematics and Principle Variables, Properties and Parameters
  • 3.2.3 Basic Mass and Energy Balances
  • 3.2.4 Physical and Thermodynamic Properties
  • 3.2.5 Energy Input or Output
  • 3.2.6 Solution Methods Using Computer Tools
  • 3.2.7 Mass and Energy Balance Simplifications
  • 3.2.8 Limiting Cases
  • 3.2.9 Vapor/Liquid Disengagement
  • 3.3 Venting Requirements for Nonreacting Cases
  • 3.3.1 Heating or Cooling of a Constant Volume Vessel
  • 3.3.2 Excess Inflow/Outflow
  • 3.3.3 Additional Techniques and Considerations
  • 3.4 Calorimetry for Emergency Relief System Design
  • 3.4.1 Executive Summary
  • 3.4.2 Runaway Reaction Effects
  • 3.4.3 Reaction Basics
  • 3.4.4 Reaction Screening and Chemistry Identification
  • 3.4.5 Measuring Reaction Rates
  • 3.4.6 Experimental Test Design
  • 3.4.7 Calorimetry Data Interpretation and Analysis.
  • 3.5 Venting Requirements for Reactive Cases
  • 3.5.1 Executive Summary
  • 3.5.2 Overview of Reactive Relief Load
  • 3.5.3 Analytical Methods
  • 3.5.4 Dynamic Computer Modeling
  • 3.5.5 Closing Comment
  • 4 Methods for Relief System Design
  • 4.1 Introduction
  • 4.1.1 Relief System Sizing Computational Strategy and Tools for Relief Design
  • 4.2 Manual and Spreadsheet Methods for Relief Valve Sizing
  • 4.2.1 Relief Valve Sizing Fundamental Equations
  • 4.2.2 Two-Phase Flow Methods
  • 4.2.3 Relief Valve Sizing
  • Discharge Coefficient
  • 4.2.4 Relief Valve Sizing
  • Choking in Nozzle and Valve Exit
  • 4.3 Miscellaneous
  • 4.3.1 Low-Pressure Devices
  • Liquid Flow
  • 4.3.2 Low-Pressure Devices
  • Gas Flow
  • 4.3.3 Low-Pressure Devices
  • Two-Phase Flow
  • 4.3.4 Low-Pressure Devices
  • Associated Piping
  • 4.4 Piping
  • 4.4.1 Piping
  • Fundamental Equations
  • 4.4.2 Piping
  • Pipe Friction Factors
  • 4.4.3 Incompressible (Liquid) Flow
  • 4.4.4 Piping Adiabatic Compressible Flow
  • 4.4.5 Isothermal Compressible Flow
  • 4.4.6 Homogeneous Two-Phase Pipe Flow
  • 4.4.7 Piping
  • Separated Two-Phase Flows
  • 4.4.8 Slip/Holdup
  • 4.4.9 Piping
  • Temperature Effects
  • 4.5 Rupture Disk Device Systems
  • 4.5.1 Rupture Disks
  • Nozzle Model
  • 4.5.2 Rupture Disks
  • Pipe Model
  • 4.6 Multiple Devices
  • 4.6.1 Multiple Devices in Parallel
  • 4.6.2 Multiple Devices
  • Rupture Disk Device Upstream of a PRV
  • 4.6.3 Multiple Devices
  • Rupture Disk Device Downstream of a PRV
  • 4.7 Worked Example Index
  • 5 Additional Considerations for Relief System Design
  • 5.1 Introduction
  • 5.2 Reaction Forces
  • 5.3 Background
  • 5.4 Selection of Design Case
  • 5.5 Design Methods
  • 5.5.1 Steady State Exit Force from Flow Discharging to the Atmosphere
  • 5.5.2 Dynamic Load Factor
  • 5.6 Selection of Design Flow Rate and Dynamic Load Factor
  • 5.6.1 Rupture Disks
  • 5.6.2 Safety Relief Valves.
  • 5.7 Transient Forces on Relief Device Discharge Piping
  • 5.7.1 Liquid Relief
  • 5.7.2 Gas Relief
  • 5.7.3 Two-Phase Flow
  • 5.8 Pipe Tension
  • 5.8.1 Safety Relief Valves
  • 5.8.2 Rupture Disks
  • 5.9 Real Gases
  • 5.10 Changes in Pipe Size
  • 5.11 Location of Anchors
  • 5.12 Exit Geometry
  • 5.13 Worked Examples
  • 6 Handling Emergency Relief Effluents
  • 6.1 General Strategy
  • 6.2 Basis for Selection of Equipment
  • 6.3 Determining if Direct Discharge to Atmosphere is Acceptable
  • 6.4 Factors That Influence Selection of Effluent Treatment Systems
  • 6.4.1 Physical and Chemical Properties
  • 6.4.2 Two-Phase Flow and Foaming
  • 6.4.3 Passive or Active Systems
  • 6.4.4 Technology Status and Reliability
  • 6.4.5 Discharging to a Common Collection System
  • 6.4.6 Plant Geography
  • 6.4.7 Space Availability
  • 6.4.8 Turndown
  • 6.4.9 Vapor-Liquid Separation
  • 6.4.10 Possible Condensation and Vapor-Condensate Hammer
  • 6.4.11 Time Availability
  • 6.4.12 Capital and Continuing Costs
  • 6.5 Methods of Effluent Handling
  • 6.5.1 Containment
  • 6.5.2 Direct Discharge to Atmosphere
  • 6.5.3 Vapor-Liquid Separators
  • 6.5.4 Quench Tanks
  • 6.5.5 Scrubbers (Absorbers)
  • 6.5.6 Flares
  • 7 Design Methods for Handling Effluent from Emergency Relief Systems
  • 7.1 Design Basis Selection
  • 7.2 Total Containment Systems
  • 7.2.1 Containment in Original Vessel
  • 7.2.2 Containment in External Vessel (Dump Tank or Catch Tank)
  • 7.3 Relief Devices, Discharge Piping, and Collection Headers
  • 7.3.1 Corrosion
  • 7.3.2 Brittle Metal Fracture
  • 7.3.3 Deposition
  • 7.3.4 Vibration
  • 7.3.5 Cleaning
  • 7.4 Vapor-Liquid Gravity Separators
  • 7.4.1 Separator Inlet Velocity Considerations
  • 7.4.2 Horizontal Gravity Separators
  • 7.4.3 Vertical Gravity Separators
  • 7.4.4 Separator Safety Considerations and Features
  • 7.4.5 Separator Vessel Design and Instrumentation.
  • 7.5 Cyclone Separators
  • 7.5.1 Droplet Removal Efficiency
  • 7.5.2 Design Procedure
  • 7.5.3 Cyclone Separator Sizing Procedure
  • 7.5.4 Alternate Cyclone Separator Design Procedure
  • 7.5.5 Cyclone Reaction Force
  • 7.6 Quench Pools
  • 7.6.1 Design Procedure Overview
  • 7.6.2 Design Parameter Interrelations
  • 7.6.3 Quench Pool Liquid Selection
  • 7.6.4 Quench Tank Operating Pressure
  • 7.6.5 Quench Pool Heat Balance
  • 7.6.6 Quench Pool Dimensions
  • 7.6.7 Sparger Design
  • 7.6.8 Handling Effluent from Multiple Relief Devices
  • 7.6.9 Reverse Flow Problems
  • 7.6.10 Vapor-Condensate Hammer
  • 7.6.11 Mechanical Design Loads
  • 7.6.12 Worked Example Index for Discharge Handling System Design
  • Acronyms and Abbreviations
  • Glossary
  • Nomenclature
  • Appendix A: SuperChems™ for DIERS Lite
  • Description and Instructions
  • A.1 Scope
  • A.2 Software Functions
  • A.2.1 Source Term Flow Calculation
  • A.2.2 Emergency Relief Requirement Calculations
  • A.2.3 Physical Properties
  • A.2.4 Piping Isometrics
  • A.2.5 Specifying Vessel Designs
  • A.3 Installing and Running SuperChems™
  • Appendix B: CCFlow, TPHEM and COMFLOW Description and Instructions
  • B.1 Scope
  • B.1.1 Uncertainties
  • B.2 CCFlow Calculation Options
  • B.2.1 Opening and Running CCFlow
  • B.2.2 File Operations
  • B.2.3 Help Files
  • B.2.4 Other Operations
  • B.2.5 CCFlow Input Menu Errata
  • B.3 TPHEM Calculation Options
  • B.3.1 Running TPHEM with File Input
  • B.4 COMFLOW Calculation Options
  • B.4.1 Running COMFLOW
  • Appendix C: SuperChems™ for DIERS
  • Description and Instructions
  • C.1 Scope
  • C.2 Software Functions
  • C.2.1 Main Menu Tabs
  • C.2.2 Define Tab
  • C.2.3 Dynamic Flow Simulation
  • C.2.4 Steady-State Flow Calculations
  • C.2.5 Properties Tab
  • C.2.6 VLE Tab
  • C.3 Installing and Running SuperChems™
  • Appendix D: Venting Requirements.
  • D.1 Worked Examples
  • Emergency Venting.