Fabric Filter Baghouses I
Theory, Design and Selection (A Reference Text)

John D. McKenna
ETS Inc., Roanoke VA

James H. Turner
Research Triangle Institute, Research Triangle Park NC

Published by ETS Professional Training Institute
1993 ETS, Inc. 476 pages. ISBN 1-882767-01-2.


Table of Contents

Introduction
Purpose of this Text
History of Fabric Filtration
Operating Principles and other Considerations
References

Theory of Fabric Filtration
Introduction Gas-to-Cloth Ratio
Pressure Drop and Drag
Cleaning Methods
Filtering Modes
Particle Size Distribution
Particle Characteristics
Theory vs. the Real World
References

Filter Media
Introduction
Natural Fibers
Synthetic Fibers
Other Fibers
Fiber Influences on Filtration
Yarns
Wovens
Non-Wovens
Treatments and Finishes
Media Selection
References and Bibliography

Baghouse Types and Cleaning Methods
Bag Design
Cleaning Methods
Baghouse Gas-Entry Configuration
Electrically Enhanced Fabric Filtration (EEFF)
Other Filtration Techniques
Other Mechanical Design Considerations
References

System Considerations
Describing the Process and its Impact on the Baghouse
Inlet Definition
Emission Goals
Baghouse Impact on Production
Flow Modeling
References

Design and Selection
Factors Affecting Baghouse Selection
Gas-to-Cloth Ratio
Media Selection
Selection Methodology
Design and Selection Examples
References

Auxiliary Equipment
Fans and Motors
Dampers and Flow Valves
Duct Designs
Dust Handling Systems
Hoppers
Heat Exchangers and Coolers
Penthouses
Accessories (e.g., Diffusers)
Instrumentation and Controls
References and Bibliography

Applications
Key Considerations that Influence Successful Baghouse Application
Low Temperature vs. High Temperature
Some Applications are Actually More than One Application
Baghouse vs. other Particulate Control Devices
Testing to Reduce Application Design Risks
Application Data
References and Bibliography

Cost Considerations and Optimization
Basic Cost Models
Capital Costs
Operating Costs
Annualized Costs
Example Cost Calculation
High-Temperature vs. Low-Temperature Baghouse Annualized Costs
Optimization
References

Combined Gaseous and Particulate Collection
Combined Collection Techniques
Combustion Gas Characteristics and Control
Spray Dryers
Dry Injection
Performance and Cost Considerations
References

Current Research and Development
Fabrics
Cleaning Techniques
Advanced Concepts
Monitors and Controls
References

Fabric Testing
Laboratory Tests
Field Testing
Quality Assurance
Case Histories
Bibliography

Baghouse Performance Evaluation
Performance Goals and Yardsticks
Baghouse Guarantees
Emission Test Methods
Operating Parameters: Measurement and Record Keeping
Design vs. Actual Performance
Operating Experience
References and Bibliography

Glossary



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