Central Boiler Plants
Content
CHAPTER 1. GENERAL CONSIDERATIONS
I.Introduction
- Purpose
- Central Boiler Plants
- Equipment
II. Elementary Combustion Principles
- Fossil Fuels
- Combustion
- Combustion of Coal
- Combustion of Oil
- Combustion of Natural Gas
- Soot and Smoke
- Flue Gas Analysis and Temperature
- Combustion Efficiency
- Boiler Efficiency.
- Central Boiler Plant Efficiency
III. Principles of Steam and Hot Water Generation
- Basic Principles
- Heat Transfer
Boiler Classifications
Boiler Design Requirements
F a b r i c a t ion .
Fire Tube Boilers
Water Tube Boilers
Hot Water Generators
Economizers
Air Heaters
Boiler Accessories and Fittings
ASME Requirements
Gage Glass, Gage Cocks
Water Columns
Pressure Gage, Temperature Gage
Safety Valves
Boiler Outlet Valves
Blowoff Valves and Piping.
Fusible Plugs .
Sootblowers .
Fuel- Handling and Combustion Equipment
CHAPTER 3. OPERATION
I. Preliminary Operating Procedure
- Plant Operation Considerations
- Standing Operating Procedures
- Daily and Monthly Boiler Plant Operating Logs
- Inspection
- Applicable Codes
- Basis for Comments
- Preparation for Startup
- Starting Fire
- Warm-up Time .
- Placing a High Pressue Steam Boiler in Service
- Placing a Hot Water Boiler in Service
II. Operating Adjustments and Procedures
- Boiler Operation.
- Maintaining Pressure or Temperature
- Feedwater and Boiler Water Treatment
- Controlling Feedwater
- Boiler Accessories
- Coal Firing Procedures
- Combustion Controls
- Boiler Safety Controls
- Centrifugal Pumps
- Direct-acting Pumps
- Injectors
- Fans
- Feedwater Heating and Treatment
- Economizer, Air Heater and Pollution Control
III Optimizing Central Plant Efficiency
- Optimizing Combustion Efficiency
- Optimizing Boiler Plant Efficiency
- Optimizing Central Boiler Plant Efficiency
Chapter 4 Water Treatment for Boiler Plant
I Introduction
- Objectives of water treatment
- Impurities in water
- Results and Reactions of Boiler Water Impurities
- Controlling Impurities
- Treatment Requirements
II Equipment and Chemicals
- External Treatment Equipment
- Internal Treatment
- Blowdown
III Operation
- Boiler Water Treatment Operation Log
- Procurement of Standard and Special Treatment Chemicals
- Care and Mixing of Treatment Chemicals
- Initial Flushing and Cleaning
- Flushing and Cleaning of Scaled and Corroded Boilers
- Sampling
- Chemical Analysis
- General Operation of External Treatment Equipment
- Safety Precautions
- Care of Idle Steel Boilers
Chapter 5 Inspection and Preventive Maintenance
Introduction
Purpose and Scope
Types of Maintenance
Responsibility
Inspection
Housekeeping
Utilities Inspection and Service Records
Tools
Spare Parts
Special Supplies
Scheduling and Use of The Information
Boilers
Economizers
Air Heaters
Water Columns
Safety Valves
Fusible Plugs
Sootblowers
Stokers
Pulverized Coal Equipment
Coal Handling Equipment
Ash Handling Equipment
Oil Burners
Oil Handling Equipment
Gas Burners .
Feedwater Drum Level Controls
Combustion Controls
Boiler Safety Controls
Instrumentation
Mechanical Collectors
Stacks
Zeolite Water Softeners
Hot Lime-Soda Softeners
Deaerating Heaters and Dearators
Pumps
Centrifugal Pumps
Reciprocating Pumps
Steam Injectors
Steam Turbine (Non-Condensing)
Steam Traps
Forced-Draft and Induced-Draft Fans
Command Inspections
Technical Inspection
Major Army Command Inspections
REFERENCES
CHEMICAL ANALYSIS PROCEDURES
External Treatment Plants
Boiler Water
Miscellaneous Tests