Central Steam Boiler Plants
Central Steam Boiler Plants
Unified Facilities Criteria (UFC) - ufc_3_430_02fa0002
Foreword - ufc_3_430_02fa0003
Chapter 1. Introduction - ufc_3_430_02fa0004
Figure 1-2. Typical Weekly Steam Load Duration Curve
Construction cost estimate
Explanation of abbreviations and terms
Chapter 2. Steam Plant Location,Site Development and Plant Structures
Site development - ufc_3_430_02fa0009
Soil investigation requirements
Heating, ventilating and air conditioning systems (HVAC)
Plant design safety
Chapter 3. Steam Generators
Available fuels
Table 3-2. Range of Analyses of Fuel Oils
Alternate ACFB boiler fuels
Table 3-3. Analysis of Typical U.S. Coals. (As Mined)
Table 3-3. Analysis of Typical U.S. Coals. (As Mined) (Continued)
Coal ash characteristics
Figure 3-5. Influence of Iron on Coal Ash Fusion Temperatures
Combustion technology selection
Solid fuel considerations
Pulverizers (Mills)
Coal burner ignitors
Flame safety detectors
Figure 3-9. Relative Pulverizer Capacity as a Function of Hardgrove Grindability
Figure 3-10. Effect of Fineness on Capacity of Pulverizers
Primary air
Stoker feed
Fly ash reinjection for coal firing
Overfire air
Boiler components
Steam coil air preheaters
Figure 3-14. Air Heater Fuel Savings
Figure 3-15. Economizer Fuel Savings
Table 3-7. Fan Blades and Applications
Boiler water circulation and chemical treatment
Figure 3-16. Specific Weight Differential of Water to Steam
Boiler stacks
Stack design - ufc_3_430_02fa0040
Adjustable Speed Drives - ufc_3_430_02fa0041
Chapter 4. Air Quality Control and Monitoring Equipment
Differential pressure flow monitors
Regulatory requirements
Chapter 5. Fuel and Sorbent Handling and Storage
Coal conveying rate
Coal delivery - ufc_3_430_02fa0047
Belt conveyors
Figure 5-2. Open Truss Conveyor
Conveyor belt selection
Other conveying methods
Drive units and couplings
Sampling system
Vibrating feeders
Conveyor chutework
Wet and dry dust control
Table 5-1. Comparison of Dry Dust Collection Versus Wet Dust Suppression Systems
Spontaneous combustion of coal
Long term coal storage
Control system
En masse conveying system
Chapter 6. Ash Handling
Bottom ash hydraulic conveying systems
Bottom ash handling system alternatives
Fly ash pneumatic systems
Controls
Table 6-1. Comparison of Pneumatic Vacuum Versus Pressure Ash Conveying Systems
Table 6-2. Comparison of Pressure Dilute Phase and Dense Phase Pneumatic Ash Conveying Systems
Chapter 7.Mechanical Auxilary Equipment
Figure 7-2. Design Feedwater Velocity at 60. Degree F.
Boiler feed pumps - ufc_3_430_02fa0071
Condensate pumps - ufc_3_430_02fa0072
Boiler feedwater treatment
Table 7-6. General Raw Water Analysis
Figure 7-5. Sodium Zeolite Unit
Blowdown tank
Table 7-7. Blowdown Tank Size
Slowdown heat recovery
Steam coil drain tank
Induced draft fans - ufc_3_430_02fa0080
Hydraulic ash handling pumps
Bearing cooling water pumps
Ignitor fuel oil pumps
Laboratory - ufc_3_430_02fa0084
Chapter 8. Piping Systems
Table 8-1. Piping Design Notes
Table 8-1. Piping Design Notes. (Continued)
Safety valve vents
Valves - ufc_3_430_02fa0089
Figure 8-3. Feedwater Flow
Figure 8-4. Blowdown Heat Recovery
Figure 8-5. Instrument Air
Table 8-2. Valve Types
Pipe insulation - ufc_3_430_02fa0094
Pipe expansion compensation
Inverted bucket
Piping accessories
Chapter 9. Instrument and Controls
Combustion controls - ufc_3_430_02fa0099
System categories
Metering control
Combustion air flow measurement
Gas/oil system controls
Combustion air control
Primary and overfire air flow control
J-valve blower control
Sorbent (limestone) feeder control
Boiler controls
Burner controls
Table 9-2. Emergency Trip for Boilers
Feedwater flow and drum level control
Furnace pressure controls
Blowdown controls
Steam coil air heater
Control panels
Operator interface
Panel mounted control system
Field Instrumentation
Flow transmitters
Opacity monitors
Piping instrumentation
Table 9-4. Operator Interface Instrumentation Requirements
Table 9-4. Operator lnterface lnstrumentation Requirements. (Continued) - ufc_3_430_02fa0123
Table 9-4. Operator lnterface lnstrumentation Requirements. (Continued) - ufc_3_430_02fa0124
Table 9-4. Operator lnterface Instrumentation Requirement. (Continued)
Chapter 10. Electric Systems
Appendix A References - ufc_3_430_02fa0127
Appendix A References -Cont. - ufc_3_430_02fa0128
Appendix A References -Cont. - ufc_3_430_02fa0129
Glossary - ufc_3_430_02fa0130
Glossary -Cont. - ufc_3_430_02fa0131
Glossary -Cont. - ufc_3_430_02fa0132
Central Steam Boiler Plants
Unified Facilities Criteria (UFC) - ufc_3_430_02fa0002
Foreword - ufc_3_430_02fa0003
Chapter 1. Introduction - ufc_3_430_02fa0004
Figure 1-2. Typical Weekly Steam Load Duration Curve
Construction cost estimate
Explanation of abbreviations and terms
Chapter 2. Steam Plant Location,Site Development and Plant Structures
Site development - ufc_3_430_02fa0009
Soil investigation requirements
Heating, ventilating and air conditioning systems (HVAC)
Plant design safety
Chapter 3. Steam Generators
Available fuels
Table 3-2. Range of Analyses of Fuel Oils
Alternate ACFB boiler fuels
Table 3-3. Analysis of Typical U.S. Coals. (As Mined)
Table 3-3. Analysis of Typical U.S. Coals. (As Mined) (Continued)
Coal ash characteristics
Figure 3-5. Influence of Iron on Coal Ash Fusion Temperatures
Combustion technology selection
Solid fuel considerations
Pulverizers (Mills)
Coal burner ignitors
Flame safety detectors
Figure 3-9. Relative Pulverizer Capacity as a Function of Hardgrove Grindability
Figure 3-10. Effect of Fineness on Capacity of Pulverizers
Primary air
Stoker feed
Fly ash reinjection for coal firing
Overfire air
Boiler components
Steam coil air preheaters
Figure 3-14. Air Heater Fuel Savings
Figure 3-15. Economizer Fuel Savings
Table 3-7. Fan Blades and Applications
Boiler water circulation and chemical treatment
Figure 3-16. Specific Weight Differential of Water to Steam
Boiler stacks
Stack design - ufc_3_430_02fa0040
Adjustable Speed Drives - ufc_3_430_02fa0041
Chapter 4. Air Quality Control and Monitoring Equipment
Differential pressure flow monitors
Regulatory requirements
Chapter 5. Fuel and Sorbent Handling and Storage
Coal conveying rate
Coal delivery - ufc_3_430_02fa0047
Belt conveyors
Figure 5-2. Open Truss Conveyor
Conveyor belt selection
Other conveying methods
Drive units and couplings
Sampling system
Vibrating feeders
Conveyor chutework
Wet and dry dust control
Table 5-1. Comparison of Dry Dust Collection Versus Wet Dust Suppression Systems
Spontaneous combustion of coal
Long term coal storage
Control system
En masse conveying system
Chapter 6. Ash Handling
Bottom ash hydraulic conveying systems
Bottom ash handling system alternatives
Fly ash pneumatic systems
Controls
Table 6-1. Comparison of Pneumatic Vacuum Versus Pressure Ash Conveying Systems
Table 6-2. Comparison of Pressure Dilute Phase and Dense Phase Pneumatic Ash Conveying Systems
Chapter 7.Mechanical Auxilary Equipment
Figure 7-2. Design Feedwater Velocity at 60. Degree F.
Boiler feed pumps - ufc_3_430_02fa0071
Condensate pumps - ufc_3_430_02fa0072
Boiler feedwater treatment
Table 7-6. General Raw Water Analysis
Figure 7-5. Sodium Zeolite Unit
Blowdown tank
Table 7-7. Blowdown Tank Size
Slowdown heat recovery
Steam coil drain tank
Induced draft fans - ufc_3_430_02fa0080
Hydraulic ash handling pumps
Bearing cooling water pumps
Ignitor fuel oil pumps
Laboratory - ufc_3_430_02fa0084
Chapter 8. Piping Systems
Table 8-1. Piping Design Notes
Table 8-1. Piping Design Notes. (Continued)
Safety valve vents
Valves - ufc_3_430_02fa0089
Figure 8-3. Feedwater Flow
Figure 8-4. Blowdown Heat Recovery
Figure 8-5. Instrument Air
Table 8-2. Valve Types
Pipe insulation - ufc_3_430_02fa0094
Pipe expansion compensation
Inverted bucket
Piping accessories
Chapter 9. Instrument and Controls
Combustion controls - ufc_3_430_02fa0099
System categories
Metering control
Combustion air flow measurement
Gas/oil system controls
Combustion air control
Primary and overfire air flow control
J-valve blower control
Sorbent (limestone) feeder control
Boiler controls
Burner controls
Table 9-2. Emergency Trip for Boilers
Feedwater flow and drum level control
Furnace pressure controls
Blowdown controls
Steam coil air heater
Control panels
Operator interface
Panel mounted control system
Field Instrumentation
Flow transmitters
Opacity monitors
Piping instrumentation
Table 9-4. Operator Interface Instrumentation Requirements
Table 9-4. Operator lnterface lnstrumentation Requirements. (Continued) - ufc_3_430_02fa0123
Table 9-4. Operator lnterface lnstrumentation Requirements. (Continued) - ufc_3_430_02fa0124
Table 9-4. Operator lnterface Instrumentation Requirement. (Continued)
Chapter 10. Electric Systems
Appendix A References - ufc_3_430_02fa0127
Appendix A References -Cont. - ufc_3_430_02fa0128
Appendix A References -Cont. - ufc_3_430_02fa0129
Glossary - ufc_3_430_02fa0130
Glossary -Cont. - ufc_3_430_02fa0131
Glossary -Cont. - ufc_3_430_02fa0132
