- Introduction
- Role of Boilers in Plant Operation
- Figure: Boiler Plant Flow Diagram
- Types
- Utilization
- Steam
Utilization
- The Role of Water Treatment in Steam Generation
- External
Treatment
- Table: ASME Guidelines for Water Quality
- Internal
Treatment
- Steam
Plant Operation
- Feed
Water Preparation
- Deaeration (Mechanical and Chemical)
- Origin
of the Problem
- The
Corrosion Process
- Deaerators
- Tray-type Deaerating Heaters
- Figure: Tray-type Deaerating Heater (Cochrane)
- Figure: Tray-type Deaerating Heater (Graver)
- Spray-Type Deaerating Heaters
- Storage
Section
- Limitations
- Table: Deaerating Heater Troubleshooting Guide
- Rule of
Thumb
- Economizers
- Treatment
- Measurement of Dissolved Oxygen
- Feed
Water Quality
- Heat Exchange on Feed Water Train
- Conclusions
- Steam Generation Equipment, Potential Problems
and Solutions
- Waterside
Deposition
- Mechanism
of Deposition
- Precipitated Soluble Salts
- Particulant Migratory Contaminants
- Table :Partial List of Boiler Deposits
- Conclusions
- Boiler Waterside Corrosion
- Other Causes of Corrosion
- Dissolved
Oxygen
- pH
Variation
- Acidic
Attack
- Caustic
Attack
- Steamside
Tracking
- Conclusions
- Embrittlement
- Corrective
Approaches
- Embrittlement
Detector
- Figure:
Embrittlement Detector
- Summary
- Carryover
- Causes
of Carryover
- Causes
of Foaming
- Correction of Carryover Problems
- Mechanical
Correction
- Table: ABMA Standard Boiler Water Cncentrations
- Summary
- Heat
Transfer Losses
- Internal Boiler Water Treatment
- History
- General
Discussion
- Precipitating Programs (Phosphate-Polymer)
- Solibilizing Programs (Chelant-Polymer)
- Summary
- Blowdown
Control
- Bottom
Blowdown
- Continuous
Blowdown
- Summary
- Steam Condensing and Receiving Systems
- Potential Corrosion Problems
- Oxygen
Corrosion
- Carbon Dioxide Corrosion
- Copper Complexing Corrosion
- Corrosion Control Programs
- Neutralizing
Amines
- Table:Distribution Rations for Neutralized Amines
- Filming
Amines
- General
Commentary
- Failure
Analysis
- Metallurgical Failures and Analysis
- Elevated Temperature Failure
- Fatigue
Failures
- Caustic
Embrittlement
- Corrosion
Failure
- Optimum Approach to Boiler Treatment