Pneumatic Conveying Design Guide

Pneumatic Conveying Design Guide

2nd Edition - October 21, 2003

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  • Authors: David Mills, David Mills
  • eBook ISBN: 9780080473796

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Description

The Pneumatic Conveying Design Guide will be of use to both designers and users of pneumatic conveying systems. Each aspect of the subject is discussed from basic principles to support those new to, or learning about, this versatile technique. The Guide includes detailed data and information on the conveying characteristics of a number of materials embracing a wide range of properties. The data can be used to design pneumatic conveying systems for the particular materials, using logic diagrams for design procedures, and scaling parameters for the conveying line configuration. Where pneumatic conveyors already exist, the improvement of their performance is considered, based on strategies for optimizing and up-rating, and the extending of systems or adapting them for a change of material is also considered. All aspects of the pneumatic conveying system are considered, such as the type of material used, conveying distance, system constraints including feeding and discharging, health and safety requirements, and the need for continuous or batch conveying.

Key Features

  • Highly practical, enabling suppliers and users to choose, design, and build suitable systems with a high degree of confidence
  • Health and safety requirements taken into consideration in the safe conveying methods described in this book
  • Practical application combined with background theory makes this an excellent resource for those learning about the topic

Readership

Design, plant, maintenance and process engineers, industrial engineers and manufacturers in process industries. Library reference for universities teaching postgraduate courses on Bulk Solids Handling

Table of Contents

  • PART A: SYSTEMS AND COMPONENTS
    Introduction to pneumatic conveying and the guide:
    Introduction.
    Pneumatic conveying.
    Information provided.
    Review of chapters.
    Definitions.
    Nomenclature.
    References.
    Review of pneumatic conveying systems:
    Introduction.
    System types.
    System requirements.
    Material property influences.
    References.
    Pipeline feeding devices:
    PART I: LOW PRESSURE AND VACUUM
    Introduction.
    Rotary valves.
    Screw feeders.
    Venturi feeders.
    Gate lock valves.
    Suction nozzles.
    Trickle valves.
    Blow tanks.
    References.
    Pipeline feeding derives:
    PART II: HIGH PRESSURE
    Introduction.
    Screw feeders.
    Rotary valves.
    Blow tanks.
    Lock hoppers.
    References.
    Pipelines and valves:
    Introduction.
    Pipelines.
    Valves.
    Rubber hose.
    References.
    Air movers:
    Introduction.
    Types of air mover.
    Air compression effects.
    Pre-cooling systems.
    References.
    Gas-solid separation devices:
    Introduction.
    Dust control.
    Separation devices.
    System considerations.
    References.
    System selection considerations:
    Introduction.
    Variables involved.
    Variables investigated.
    Material compatibility.
    Design curves.
    Power requirements.
    System selection considerations.

    PART B: SYSTEM DESIGN
    Air flow rate evaluation:
    Introduction.
    Volumetric flow rate.
    The influence of pressure.
    Stepped pipeline systems.
    Pipeline purging.
    The influence of temperature.
    The influence of altitude.
    The use of air mass flow rate.
    Nomenclature.
    Air only relations:
    Introduction.
    Pipeline pressure drop.
    Ventura analysis.
    Air flow rate control.
    Stepped pipelines.
    Conveying characteristics:
    Introduction.
    Single phase flow.
    Gas-solid flows.
    The determination of conveying characteristics.
    Energy considerations.
    Component pressure drop relationships.
    Nomenclature.
    References.
    Conveying capability:
    Introduction.
    The influence of materials.
    System capability.
    References.
    Material property influences:
    Introduction.
    Conveying modes.
    Conveying capability correlations.
    Material grade influences.
    Material degradation effects.
    References.
    Pipeline scaling parameters:
    Introduction.
    Scaling requirements.
    Conveying distance.
    Pipeline bore.
    Pipeline bends.
    Vertical pipelines.
    Pipeline material.
    Stepped pipelines.
    References.
    Design procedures:
    Introduction.
    The use of equations in system design.
    The use of test data in system design.
    Typical pipeline and material influences.
    Case studies:
    PART I - FINE MATERIAL
    Introduction.
    Conveying data.
    Procedure.
    Case studies:
    PART II - COARSE MATERIAL
    Introduction.
    Conveying data.
    Procedure.
    First approximation design methods:
    Introduction.
    Air only pressure drop method.
    Universal conveying characteristics method.
    Multiple use systems:
    Introduction.
    Multiple material handling.
    Multiple delivery points.
    The use of stepped pipelines.
    References.

    PART C: SYSTEM OPERATION
    Troubleshooting and material flow problems:
    Introduction.
    Pipeline blockage.
    Optimizing and up-rating of existing systems:
    Introduction.
    System not capable of duty.
    Optimizing existing systems.
    Case study.
    Alternative methods of up-rating.
    Operating problems:
    Introduction.
    Types of system.
    System components.
    System related.
    Material related.
    References.
    Erosive wear:
    Introduction.
    Influence of variables.
    Industrial solutions and practical issues.
    References.
    Particle degradation:
    Introduction.
    Influence of variables.
    Recommendations and practical issues.
    Pneumatic conveying data.
    Particle melting.
    References.
    Moisture and condensation:
    Introduction.
    Humidity.
    Air processes.
    Energy considerations.
    Nomenclature.
    Health and safety:
    Introduction.
    Dust risks.
    Conveying systems.
    System components.
    Conveying operations.
    Explosion protection.
    References.

    Appendix 1: Determination of relevant material properties:
    Introduction.
    Particle size and shape.
    Particle and bulk density.
    Flow properties.
    Aeration properties.
    References.
    Appendix 2: Additional conveying data:
    Introduction.
    Materials and pipelines listings.
    Material properties listings.
    Additional conveying data.
    Index.

Product details

  • No. of pages: 650
  • Language: English
  • Copyright: © Butterworth-Heinemann 2003
  • Published: October 21, 2003
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9780080473796

About the Authors

David Mills

David Mills has worked in the field of pneumatic conveying for over forty years. From 1998 – 2006 he was Professor of Bulk Solids Handling at Glasgow Caledonian University. He has published over 170 papers in the field, and has been working as an independent consultant in pneumatic conveying since 1996.

Affiliations and Expertise

Independent Consultant on Pneumatic Conveying, UK

David Mills

David Mills has worked in the field of pneumatic conveying for over forty years. From 1998 – 2006 he was Professor of Bulk Solids Handling at Glasgow Caledonian University. He has published over 170 papers in the field, and has been working as an independent consultant in pneumatic conveying since 1996.

Affiliations and Expertise

Independent Consultant on Pneumatic Conveying, UK

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