Page 500 - Boiler_Operators_Handbook,_Second_Edition
P. 500
Index 485
pH 243 pressuretrol 385 radiant superheater 293
phenopthalein 247 pretend I am coming to check out radiation loss 115
phosphate 261 your plant 43 rain load 108
PIDs 40 pretreatment 248 ramping controls 68, 408
pigtail 302 prevent failures due to wear 432 rates 10
pilot operated valve 383 preventing scale formation 260 reacting to changing loads 113
pilot trial for ignition (PTFI) 63 preventive maintenance 197 reactions 26
pilot turndown test 65 primary air adjustment 311 receiver 168
pinch points 143, 362 primary air fans 323 reciprocating compressors 353
piping flexibility 268 primary air shutter 315 reciprocating pumps 333
plan for the failure of every utility 218 priming 78 recirculate oil 81
plans for fire 44 priorities 1 recirculating control valves 234
plant efficiency 116 procedureless 377 recirculating line 338
plant master 388 process of combustion 25 recommended rules 6
plant rate 119 process variable 366 recorder charts 46
plastic 207, 278 production loads 108 recover condensate 240
plugged economizer 308 propeller fans 346 recycling the water 238
plugging tubes 219 proper grease 202 Redler conveyor 236
Plumbing Code 90 proper rotation 334 reformer 363
pneumatic testing 95 proportional control 372 refractory 206, 278
pneumatic timers 61 prove combustion air flow 60 anchor 208
pneumatic transmitters 369 provisions for thermal expansion 124 dry-out 64
poisonous carbon monoxide 315 psia 11 maintenance coating 207
polishing brass 212 psig 11 repair 208
pop testing 79 psychrometrics 181 throat 314
pop valves 295 puff 30 refrigerant compressor heater 153
positioner 405 pulse combustion or power burners refrigerant oils 147
post-mix 314 316 refrigerants 145
potato peels 260 pulverized coal burner 324 refrigeration compressors 354
pour point 231 pulverizers 323 refrigeration cycle 147
Powder River Basin 236 pump and heater set 233 regeneration cycle 249
Power Magazine 144 pump control 343 registers 191
power test code 70 pumps 325 regulations for lock-out, tag-out 200
power turbines 102 pump set 233 reheat coils 190
pph 10 purge the boiler 61 reheaters 23, 293
ppm 244 purge timing 61, 395 remote setpoint 366
predicted performance 114 purging 201 removing a tube 220
predictive maintenance 197 repeats per minute 374
premix 314 Q replacement of filters 184
preparing for operation 57 qualified, experienced boiler opera- replacements 217
preprinted log 47 tors 121 representative sample 244
preserving historical data 3 questions an operator should have requirements for combustion air 57
pressure 10 answers to 109 reset 373
pressure atomizing burners 317 quill 261 reset accessories 373
pressure balance principles 370 reset push-button 31
pressure differential atomizing 317 R reset windup 376
pressure drop and flow 16 R-22 146 residual 258
pressure gauges 302, 422 R-134a 146 resin bed 249
pressure swings 397 radial 9 resistance 34
pressure, temperature relief valves 295 bladed fans 348 restoring insulation 205
pressure testing 94 radiant heat transfer 273 retort 321
