Central boiler plants


Central boiler plants



 



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TOC



CHAPTER 1. GENERAL CONSIDERATIONS

Section I.

Introduction

Purpose

Central Boiler Plants

Equipment

Section 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

Section III.

Principles of Steam and Hot Water Generation

Basic Principles

Heat Transfer



CHAPTER 2. DESCRIPTION OF EQUIPMENT

Boilers and Heat Exchangers

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

Section I.

Preliminary Operating Procedures

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

Section 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

Secion III

Optimizing Central Plant Efficiency

Optimizing Combustion Efficiency

Optimizing Boiler Plant Efficiency

Optimizing Central Boiler Plant Efficiency



Chapter 4 Water Treatment for Boiler Plant

Section I Introduction

Objectives of water treatment

Impurities in water

Results and Reactions of Boiler Water Impurities

Controlling Impurities

Treatment Requirements

Section II Equipment and Chemicals

External Treatment Equipment

Internal Treatment

Blowdown

Section 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

Scheduled Preventive Maintenance

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)

Air Compressors

Steam Traps

Electric Motors

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

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