MIL-HDBK-1003/7
11.2
Steam Power Plant Controls.........................134
11.2.1
Combustion Control.................................134
11.2.2
Steam Temperature Control..........................134
11.2.3
Feedwater Control..................................134
11.2.4
Steam Turbine Generator Control....................144
11.3
Safety Devices and Interlocks......................144
11.4
Control Loops......................................145
11.4.1
Pressure...........................................145
11.4.2
Temperature........................................145
11.4.3
Level..............................................145
11.5
Flow meters........................................145
11.6
Pressure Gauges....................................145
Page
11.7
Temperature Sensors................................147
11.7.1
Thermometers.......................................147
11.7.2
Thermocouples......................................147
11.7.3
Resistance Temperature Detector....................147
11.8
Transmitters.......................................147
11.9
Recorders..........................................149
11.10
Controllers........................................149
11.11
Operators..........................................150
11.11.1
Pneumatic Operators................................150
11.11.2
Electric Operators.................................150
11.11.3
Electro-Hydraulic Operators........................153
11.12
Positioners........................................153
11.13
Control Room.......................................153
12.1
Water Supply.......................................156
12.2
Water Makeup.......................................156
12.2.1
Cycle Makeup.......................................156
12.2.2
Cooling Tower Makeup...............................156
12.3
Water Treatment....................................157
12.4
Cooling Water Systems..............................157
12.4.1
Once-Through System................................157
12.4.2
Recirculating System...............................157
12.4.2.1
Evaporative Wet Cooling............................157
12.4.2.2
Non-evaporative Dry Cooling........................157
12.4.2.3
Combination Wet and Dry Cooling....................157
12.5
Intake Structures..................................158
12.5.1
Location...........................................158
12.5.2
Arrangement........................................158
12.5.3
Trash Racks........................................158
12.5.4
Traveling Water Screen.............................158
12.5.5
Pumps..............................................159
12.5.5.1
Vertical Pumps.....................................159
12.5.5.2
Horizontal Pumps...................................159
12.5.5.3
Backlash Pump......................................159
12.5.6
Water Treatment....................................160
12.5.6.1
Chlorination.......................................160
12.5.6.2
Cathodic Protection................................160
12.5.7
Housing............................................160
12.6
Outfall Structures.................................160
12.6.1
Location...........................................160
12.6.2
Seal Wells.........................................160
12.7
Cooling Towers.....................................165
12.7.1
Mechanical Draft Towers............................165
12.7.1.1
Induced Draft Wet Type.............................165
12.7.1.2
Induced Draft Wet/Dry Type.........................165
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