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TABLE OF CONTENTS



CENTRAL HEATING PLANTS


1 INTRODUCTION
1.1 Scope
1.2 Cancellation

2 POLICY
2.1 Economy
2.2 Plant Alternatives
2.3 Standby Facilities
2.4 Steam Versus High Temperature Water (HTW) Heating Plants
2.5 Fuel Selection
2.6 Codes and Regulations

3 PLANT DESIGN
3.1 Plant Study
3.2 Thermal Generating Equipment
3.3 Equipment Types and Classifications
3.4 Boiler Type Selection
3.5 Boiler Design
3.6 Plant Layout
3.7 Emergency Electrical Power
3.8 Feedwater Pumping System
3.9 Steam Usage Considerations

4 HTW HEATING PLANTS
4.1 General Requirements
4.2 Definitions
4.3 Types of Systems
4.4 System Water Velocities
4.5 Types of Distribution Circuits
4.6 Hot Water Generators
4.7 Efficiency
4.8 Pressurization
4.9 Expansion Vessels
4.10 Pumps
4.11 Controls
4.12 Piping
4.13 Valves
4.14 Space and Process Heating Equipment
4.15 Makeup Water and Water Treatment

5 FUELS AND COMBUSTION
5.1 Characteristics and Applications of Fuel Types
5.2 Fuel Applications and Equipment
5.3 Combustion Air
5.4 Fuel and Ash Handling

6 POLLUTION CONTROL EQUIPMENT AND SYSTEMS
6.1 Mechanical Cyclone Dust Collectors
6.2 Fabric Filter Dust Collectors
6.3 Electrostatic Precipitators
6.4 Scrubbers

7 WATER TREATMENT
7.1 Design Considerations
7.2 General Requirements
7.3 Blowdown
7.4 Internal Treatment
7.5 Ion Exchange Softening
7.6 Other External Treatment

8 AUXILIARY BOILER ROOM EQUIPMENT AND SYSTEMS
8.1 Scope
8.2 Pumps
8.3 Fans
8.4 Motors
8.5 Economizers
8.6 Air Heaters
8.7 Stacks
8.8 Compressed Air System
8.9 Steam Traps
8.10 Controls
8.11 Variable Speed Drives

9 PERFORMANCE
9.1 Boiler Inspection
9.2 Strength and Tightness Tests
9.3 Plant Operational Tests
9.4 Varying Load Combustion Tests
9.5 Steady State Combustion Tests
9.6 Emissions Tests

10 MISCELLANEOUS
10.1 Insulation
10.2 Piping
10.3 Boiler Air Infiltration
10.4 Soot Blowing
10.5 Fly Ash Reinjection on Coal-Fired Units (Cinder Return)
10.6 Corrosion Protection
10.7 Water Supply
10.8 Heating and Ventilating
10.9 Drainage
10.10 Architectural Criteria
10.11 Structural Criteria
10.12 Safety Protection
10.13 Fire Protection
10.14 Electrical Criteria
10.15 Improvement and Modernization
10.16 Seismic Design Criteria
10.17 Metering Locations


Central Heating Plants.pdf