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The Chemical Treatment of Boiler Water



 
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Product Code: 9780820603773

Description
 


ISBN-13/EAN: 9780820603773
ISBN: 0820603775
Author: James W. McCoy
Chemical Publishing
Book - Paperback
Pub Date: Aug 20, 1981
308 pages
Features


Those involved in the design, operation, or maintenance of industrial boilers will find this book an invaluable source of information. 

First the author discusses the relationship between boilers and the generated steam. The prevention of scaling, corrosion, stress corrosion cracking, and steam contamination are fully explored followed by an in-depth examination of the chemical treatments necessary to implement preventative measures. 

Specific types of boilers are discussed, water treatment programs and operating guidelines are outlined. Finally, step-by-step procedures are given for testing boiler water for the various contaminants. The clarity and accuracy of presentation allows this book to function as a manual as well as a text.

Contents:

Chapter 1 Principles of Steam Generation 1
I.1 Regulations Governing the Operation of Boilers 3
l.2 Properties of Steam 4
1.3 Water for Generating Steam 6
1.4 Relationships Among Operating Variables 7

Chapter 2 Objectives in Treating Water for Boilers 12
2.1 Prevention of Scaling in Boilers 12
2.2 Prevention of Corrosion in Boilers 18
2.3 Prevention of Stress Corrosion Cracking 22
2.4 Prevention of Steam Contamination 23

Chapter 3 Physical Methods for Improving Water Quality 27
3.1 Clarification 27
3.2 Deaeration 28
3.3 Oil Removal 30
3.4 Blowdown 34

Chapter 4 External Chemical Treatments 38
4.1 Coagulation by Chemicals 38
4.2 Softening 39
4.3 Silica Removal 51

Chapter 5 Internal Chemical Treatment 65
5.1 Precipitation of Calcium and Magnesium 65
5.2 Chelation of Calcium and Magnesium 69
5.3 Inhibition of Corrosion in Boilers 72
5.4 Prevention of Stress Corrosion Cracking 81
5.5 Prevention of Silica Carryover and Scaling 88
5.6 Clarification of Boiler Water 92
5.7 Prevention of Foaming in Boilers 95
5.8 Corrosion Inhibitors for Steam Condensate Systems 98

Chapter 6 Operating Procedures 120
6.1 Types of Boilers 120
6.2 Water Treatment Programs 123
6.3 Operating Guidelines 175

Chapter 7 Complications in the Operations of Boilers 195
7.1 Fireside Corrosion and Deposits 195
7.2 Water-Formed Deposits 201
7.3 Superheater and Turbine Deposits 208
7.4 Preboiler Corrosion 212
7.5 Internal Corrosion and Tube Failures 217
7.6 Contaminants in Boiler Feed Water 221
7.7 Chemical Cleaning Procedures 222

Chapter 8 Analytical Methods 243
8.1 Boiler Plant Control Methods 243
8.2 Analysis of Chemical Cleaning Solutions 265
8.3 Evaluation of Ion Exchange Resins 268

Appendix I 276
Appendix II 281
Index 284

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