Comprehesive Boiler Manual Jan 2019

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f. Water Column Low Water Cutoff: Activated when feed water regulator fails, turns off boiler, preventing dry firing. Always has a manual reset switch. Feed Water Regulator signals for more water. Always has a sight glass Notice cutoff is lower than the feed water regulator Float replaced with electric water sensor Tricock valves: Top should be steam, bottom – water, middle indicates water level Water level controllers High water sensors are usually only alarms and do not shut off the boiler. Red manual reset button indicates this is the low water cutoff. P a g e 238
Magnetic Float = gauge glass tubular Thick wall vs. thin flat Small bi-colored metal plates flip up or down depending on location of built-in magnetic float in water column. electronic Electric probes sends a signal to the control room. P a g e 239
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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
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v. Motor Vibration Monitoring All r
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5) Valves i. Types Ball Gate Butter
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iii. Actuators Actuators remotely o
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A Solenoid: Electricity creates a t
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Cavitation: Sudden implosion of low
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ii. Condensate Vacuum Pump During m
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Variable Frequency Drive ii. VFD: A
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D) Piping Systems 1) Pipes i. Manuf
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ii. Composition Carbon Steel Black
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iv. Poiseuille’s Law Poiseuille
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Inline Steam Separators iii. Inline
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E) Water Quality 1) Water Chemistry
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pH Probe Acids have more positive i
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Conductivity vs. TDS Total dissolve
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2) Make Up Water Up Water The term
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Water Softener Sodium (Na+) changes
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KCl vs. NaCl The potassium (K) atom
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iii. Filtration Suspended Solids Fi
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Slime Buildup on RO Membrane Foulin
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3) Feed Water: DA Tank DeAerator i.
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Page 3 Overflow Valve controller, H
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4) Boiler Water i. Caustic Embrittl
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iii. Residual Oxygen Pitting Contro
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v. Sludge and Settlement Control: B
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vi. Water Column Blowdown Normal co
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Most common amines pH controlling a
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LDI - Liquid Droplet Impingement ii
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7) Chemical Feed Pumps Peristaltic
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G) System Documentation / Plant Per
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2) Flow Meters i. Differential Pres
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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
Page 227 and 228: Using positive pressure air flow fr
Page 229 and 230: Boiler Gas Train PRVs Strainers Iso
Page 231 and 232: Pilot Line: NG pilot line extractio
Page 233 and 234: Atomizing Air/Steam for Fuel Oil At
Page 235 and 236: K = Potassium, Ag = Silver, Cs = Ce
Page 237: Flame Rod Flame Rod = Ionization Se
Page 241 and 242: L) Facilitating and monitoring rece
Page 243 and 244: M) Efficiency 1) LEED Program In th
Page 245 and 246: Hole Size 20 psi 25 psi 100 psi 200
Page 247 and 248: The difference in Oxygen concentrat
Page 249 and 250: Increase Effects (symptoms) 3) Effe
Page 251 and 252: Combustion Air Pre-Heaters 5) Combu
Page 253 and 254: 6) Blowdown Heat Recovery i. Surfac
Page 255 and 256: Usable low psi steam 7) Flash Steam
Page 257 and 258: 3) Periodic Table P a g e 257
Page 259 and 260: 5) Boiler Device Nomenclature AFOSV
Page 261 and 262: Bypass Feeder .....................
Page 263 and 264: Hydrogen ..........................
Page 265 and 266: Reverse Osmosis ...................
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Comprehesive Boiler Manual Jan 2019

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