Pneumatic Conveying Design Guide - 1st Edition - ISBN: 9780408047197, 9781483144597

Pneumatic Conveying Design Guide

1st Edition

Authors: David Mills
eBook ISBN: 9781483144597
Imprint: Butterworth-Heinemann
Published Date: 1st January 1990
Page Count: 536
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Description

Pneumatic Conveying Design Guide is a guide for the design of pneumatic conveying systems and includes detailed data and information on the conveying characteristics of a number of materials with a wide range of properties. This book includes logic diagrams for design procedures and scaling parameters for the conveying line configuration. It also explains how to improve the performance of pneumatic conveyors by optimizing, uprating, and extending the system or adapting it for a change of material. This book consists of 15 chapters divided into three sections and opens with an overview of the state of the art on pneumatic conveying, along with definitions of the terms used in pneumatic conveying. The next chapter describes the various types of pneumatic conveying systems and the parameters that influence their capabilities in terms of material flow rate and conveying distance. The discussion then turns to feeding and discharging of the conveying line; selection of a pneumatic conveying system for a particular application; and design procedures for pneumatic conveying system. The theory and use of compressed air in pneumatic conveying are also considered, along with the effect of material properties on conveying performance; troubleshooting; and operational problems and some solutions. The final chapter is devoted to the use of bench-scale test methods to determine the material properties relevant to pneumatic conveying. This monograph is intended for designers and users of pneumatic conveying systems.

Table of Contents


Part A Introduction

1 Introduction to the Guide

Summary

Contents

1.1. Introduction

1.2. Availability of Design Data

1.3. Scope of the Work

1.4. Review of Chapters

1.5. Use of the Guide

1.6. Definitions

1.7. Nomenclature

1.8. Conversion Factors

1.9. Formula

2 Types of Pneumatic Conveying System

Summary

Contents

2.1. Introduction

2.2. System Capabilities

2.3. Types of Conventional Pneumatic Conveying System

2.4. System Selection Considerations

2.5. Innovatory Systems

3 Feeding and Discharging the Conveying Line

Summary

Contents

3.1. Introduction

3.2. Feeding the Conveying Line

3.3. Discharging the Conveying Line

4 Selection of a Pneumatic Conveying System for a Particular Application

Summary

Contents

4.1. Introduction

4.2. Variables Involved

4.3. Variables Investigated

4.4. Material Compatibility

4.5. Design Curves

4.6. Power Requirements

4.7. System Selection Considerations

Part B System Design

5 Pneumatic Conveying System Design Procedures

Summary

Contents

5.1. Introduction

5.2. The Use of Equations in System Design

5.3. The Use of Test Data in System Design

5.4. Design Considerations for Multiple Use Systems

6 Theory and Use of Compressed Air in Pneumatic Conveying

Summary

Contents

6.1. Introduction

6.2. The Influence of Pressure

6.3. The Influence of Temperature

6.4. Air Humidity and Moisture

6.5. Air Requirements for Air-assisted Gravity Conveyors

6.6. Types of Air Mover

6.7. Power Requirements

6.8. Power Costs

7 Determination and Use of Conveying Characteristics in the Pipeline

Summary

Contents

7.1. Introduction

7.2. Single-phase Flow

7.3. Two-phase Flow (Material Conveying)

7.4. The Determination of Conveying Characteristics

7.5. The Use of Conveying Characteristics

8 Effect of Material Properties on Conveying Performance

Summary

Contents

8.1. Introduction

8.2. Material Categorization

8.3. Material Testing

8.4. Conveying Capability Correlations

8.5. Material Flow Rate Capability Correlations

9 Design of the Conveying Line Layout

Summary

Contents

9.1. Introduction

9.2. Empty Pipeline Relationships

9.3. Material Conveying - Pipeline Scaling Parameters

10 Design of the Total Conveying System

Summary

Contents

10.1. Introduction

10.2. Decision Stages

10.3. System Requirements

10.4. Material Properties

10.5. Analysis of Blow Tank Cycles

10.6. Capital Costs and Operating Costs

Part C Applications

11 Optimizing and Uprating Existing Systems

Summary

Contents

11.1. Introduction

11.2. Application of Conveying Line and Blower Characteristics - Case Study

11.3. Optimizing an Existing System

11.4. The Effect of Material Type - Case Study

11.5. Feeding the Pipeline - Case Study

12 Operational Problems and Some Solutions

Summary

Contents

12.1. Introduction

12.2. Particle Degradation

12.3. Bend Erosion

12.4. Particle Melting

12.5. Static Electricity

12.6. Explosion Risks

12.7. Material Deposition in Pipelines

13 Trouble Shooting

Summary

Contents

13.1. Introduction

13.2. System Throughput (Conveying Rate) Problems

13.3. Types of System

13.4. System Component Problems

13.5. System-Related Problems

13.6. Material-Related Problems

14 Case Study

Summary

Contents

Acknowledgments

14.1. Introduction

14.2. Material Test Data

14.3. Scaling the Test Data

14.4. Systems Considered

14.5. Specification of Plant Components

14.6. Comparison of Systems

14.7. Conclusions

15 Bench Scale Test Methods for the Determination of Material Properties Relevant to Pneumatic Conveying

Summary

Contents

15.1. Introduction

15.2. Particle Size and Shape

15.3. Particle and Bulk Density

15.4. Flow Properties

15.5. Aeration Properties

Appendix

Contents

A.l. References

A.2. Further Reading

A.3. Summary of Conveying Characteristics Presented

A.4. Illustrations

Index

Details

No. of pages:
536
Language:
English
Copyright:
© Butterworth-Heinemann 1990
Published:
Imprint:
Butterworth-Heinemann
eBook ISBN:
9781483144597

About the Author

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