Comprehesive Boiler Manual Jan 2019

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ii. – Flow Accelerated Corrosion FAC: Flow Accelerated Corrosion FAC is a concern in plants where low oxygen content (as in condensate), high velocity flow and high temperature water (around 300˚F) exist. Some power boilers reintroduce oxygen into condensate to help prevent FAC Stainless steel’s chromium oxide surface virtually stops any FAC, while Carbon steel’s oxide surface (Magnetite) is succeptable. P a g e 176
LDI – Liquid Droplet Impingement iii. LDI – Liquid Droplet Impingement LDI = FAC on a small scale As irregularities in the metal surface increase from prior impacts, corrosion accelerates. Flow Installation of periodic drip legs helps reduce LDI Power plants use superheated steam (zero chance of water droplets in steam) which helps avoid LDI damage on turbine blades P a g e 177
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www.b-ct.net BOILERS Comprehensive
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iii. Air Compressor ...............
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ii. Composition ...................
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. Fuel Line Limit Controllers .....
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2) Fire Tube i. Multi-Pass Multi-Pa
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ICB: InterCooled Back boiler P a g
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iv. Stays Stays are often installed
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Flex Tube Bryan ® Flex Tube Closed
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Circular Coil Circular Coil Boiler
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O, D, A Type “O” Type “A” T
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iii. Downcomer spelling! Mud drum D
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v. Steam Scrubber: Baffles/Dry Pipe
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4) Water Cum Smoke Tube (Water and
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6) Closed Loop Boilers (Hot Water C
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Water Expansion Control Water Expan
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PEX tubing Closed Loop Continued PE
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Measurement Refractometer: Chemical
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Condensing Boiler Condensing Boiler
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7) Co-Generation a. Electricity Tes
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c. Steam Turbine Rotors (rotating)
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e. Non-Condensing Turbines Non-Cond
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A) Boiler Start Up, Operation and S
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i. Heat Pump Around 37°F many heat
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iii. Air Compressor Atomizing and C
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Temperature @ 0 psig = 1 Atm = sea
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Saturation Curve Saturation Curve S
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Extreme Precipitation A combination
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Water to Ice Expansion to Ice Expan
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i. Sublimation/Deposition Home Unit
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iii. Boiling/Condensing Vapor Cone:
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5) Steam Table Gauge Pressure Inche
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˚F → Water Rankine Cycle: Steam
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Digital psi sensor Aux. operations
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Water level indicator using Differe
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(Hydraulic Fracturing) Downward tre
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iii. Solid Fuels / BioMass Wood Sol
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Solid Fuels: Garbage Municipal Wast
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iv. Electricity Very small wall mou
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i. Combustion Air Atmospheric Draft
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ii. Spark Ignition Transformer Spar
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Premix Flame Diffusion Flame: no Ox
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Swirler and Nozzle The diffuser, or
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Burners Premix Burner Premix Mesh B
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ii. Oil Oil Burners Light Oil Steam
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Dual iii. Duel Fuel: NG & and Oil L
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Grate Bed Bed Step Grate Chain Grat
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Circulating CFB = Circulating Fluid
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Sonic Blast Soot Blower Uses compre
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i. Thermodynamic Thermodisc When co
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Mechanical continued Inverted Bucke
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Mechanical continued Float & Thermo
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Thermostatic continued Spring Expan
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v. Automatic Pump Trap (APT) = Cond
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PRV Let Down Station P a g e 107
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Desuperheater 2) Keeping steam temp
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High Capacity Instantaneous Steam F
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Motorized solenoid incoming steam c
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ii. Plate and Frame Plate and Frame
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iv. Steam Radiators Adjustable Ther
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vi. Autoclaves High temperature and
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4) Pumps i. Reciprocating Reciproca
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iii. Centrifugal Series vs Parallel
Page 125 and 126: v. Motor Vibration Monitoring All r
Page 127 and 128: 5) Valves i. Types Ball Gate Butter
Page 129 and 130: iii. Actuators Actuators remotely o
Page 131 and 132: A Solenoid: Electricity creates a t
Page 133 and 134: Cavitation: Sudden implosion of low
Page 135 and 136: ii. Condensate Vacuum Pump During m
Page 137 and 138: Variable Frequency Drive ii. VFD: A
Page 139 and 140: D) Piping Systems 1) Pipes i. Manuf
Page 141 and 142: ii. Composition Carbon Steel Black
Page 143 and 144: iv. Poiseuille’s Law Poiseuille
Page 145 and 146: Inline Steam Separators iii. Inline
Page 147 and 148: E) Water Quality 1) Water Chemistry
Page 149 and 150: pH Probe Acids have more positive i
Page 151 and 152: Conductivity vs. TDS Total dissolve
Page 153 and 154: 2) Make Up Water Up Water The term
Page 155 and 156: Water Softener Sodium (Na+) changes
Page 157 and 158: KCl vs. NaCl The potassium (K) atom
Page 159 and 160: iii. Filtration Suspended Solids Fi
Page 161 and 162: Slime Buildup on RO Membrane Foulin
Page 163 and 164: 3) Feed Water: DA Tank DeAerator i.
Page 165 and 166: Page 3 Overflow Valve controller, H
Page 167 and 168: 4) Boiler Water i. Caustic Embrittl
Page 169 and 170: iii. Residual Oxygen Pitting Contro
Page 171 and 172: v. Sludge and Settlement Control: B
Page 173 and 174: vi. Water Column Blowdown Normal co
Page 175: Most common amines pH controlling a
Page 179 and 180: 7) Chemical Feed Pumps Peristaltic
Page 181 and 182: G) System Documentation / Plant Per
Page 183 and 184: 2) Flow Meters i. Differential Pres
Page 185 and 186: ii. Ultrasonic 2. Ultrasonic Dopple
Page 187 and 188: 3) Energy Measurement Energy: measu
Page 189 and 190: Acid Rain Acid Rain Nitric Acid Sul
Page 191 and 192: SO₂ Control Sulfur Dioxide Contro
Page 193 and 194: Stoichiometric flame → Flame exti
Page 195 and 196: Premix Low NO x Burners By mixing t
Page 197 and 198: Flue Gas Recirculation, recycles a
Page 199 and 200: SCR Ammonia Free 3 Way Catalytic Co
Page 201 and 202: SCR Ammonia Injection Grid = AIG Th
Page 203 and 204: 3 Way Dual Bed 3 Way Single Bed Pla
Page 205 and 206: (Particulate Matter) Control Electr
Page 207 and 208: , Bag House (Particulate Matter) Co
Page 209 and 210: New Technology New Technology Emiss
Page 211 and 212: CO₂ (Green House Gasses) Greenhou
Page 213 and 214: 2) Generator System Components Turb
Page 215 and 216: I) Routine Equipment Maintenance 1)
Page 217 and 218: 3) Small Boiler Layup/Seasonal Down
Page 219 and 220: 2) Refractory Fire box lining (bric
Page 221 and 222: K) Safety Systems 1) Emergency Stop
Page 223 and 224: 5) Hartford Loop The Hartford Loop
Page 225 and 226: . Fuel Line Limit Controllers Any o
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Using positive pressure air flow fr
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Boiler Gas Train PRVs Strainers Iso
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Pilot Line: NG pilot line extractio
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Atomizing Air/Steam for Fuel Oil At
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K = Potassium, Ag = Silver, Cs = Ce
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Flame Rod Flame Rod = Ionization Se
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Magnetic Float = gauge glass tubula
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L) Facilitating and monitoring rece
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M) Efficiency 1) LEED Program In th
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Hole Size 20 psi 25 psi 100 psi 200
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The difference in Oxygen concentrat
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Increase Effects (symptoms) 3) Effe
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Combustion Air Pre-Heaters 5) Combu
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6) Blowdown Heat Recovery i. Surfac
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Usable low psi steam 7) Flash Steam
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3) Periodic Table P a g e 257
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5) Boiler Device Nomenclature AFOSV
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Bypass Feeder .....................
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Hydrogen ..........................
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Reverse Osmosis ...................
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Comprehesive Boiler Manual Jan 2019

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