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Boiler Systems Traning Manual

Compiled by

AFREPREN/FWD


TABLE OF CONTENTS

1.0. Boilers

2.0. Boiler Systems

3.0. Boiler Types and Classifications

3.1. Fire tube

3.2. Water tube

3.3. Packaged Boiler

4.0. Performance Evaluation of Boilers

4.1. Boiler Efficiency

5.0. Boiler Blow Down

5.1. Conductivity as Indicator of Boiler Water Quality

5.2. Intermittent Blow Down

5.3. Continuous Blow down

5.4. Benefits of Blow down

6.0. Boiler Water Treatment

6.1. Deposit Control

6.2. Impurities Causing Deposits

6.3. Silica

6.4. Internal Water Treatment

6.5. External Water Treatment

6.6. Ion-exchange Process(Softener Plant)

6.7. De-aeration

6.8. Mechanical De-aeration

6.9. Chemical De-aeration

7.0. Energy Conservation Opportunities

7.1. Stack Temperature

7.2. Feed Water Preheating using Economizer

7.3. Combustion Air Pre-heat

7.4. Incomplete Combustion

7.5. Excess Air Control

7.6. Radiation and Convection Heat Loss

7.7. Automatic Blow down Control

7.8. Reduction of Scaling and Soot Losses

7.9. Reduction of Boiler Steam Pressure

7.10. Variable Speed Control for Fans, Blowers and Pumps

7.11. Effect of Boiler Loading on Efficiency

7.12. Proper Boiler Scheduling

7.13. Boiler Replacement

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