Hoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants CENTRIFUGAL PRINCIPLES & TERMSHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Agenda9TYPES OF BLOWERS 9BASIC ENGINEERING LAWSS &C S 9FAN LAWS & TEMPERATURE EFFECTS 9BLOWER CURVE CHARACTERISTICS 9BLOWER CONTROL 9BLOWER SURGE 9BLOWER SELECTIONHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants What is a Blower?A blower is a low pressure, high volume compressorHoffman®Lamson®TurboTron®TurboPak TM SmartMeter®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON®L b i tCentrifugal Products LubricantsPositive DisplacementRotary LobeHelical ScrewConstant Flow•Constant Flow -Variable PressureHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Dynamic•Variable Flow -Constant PressureHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Typical CurveRegenerative :•Properties of both Lobe and CF•Limited flow, varying pressure •HP increases as Flow decreasesRotary Lobe:•Constant Flow / Variable Pressure •HP increases as Flow decreasesP R E •Centrifugal:S S U Constant Pressure / Variable Flow •HP decreases as Flow decreasesR EVOLUMEHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants FlowSCFM = Standard cubic feet per minuteSCFM Standard cubic feet per minute “Standard” is a specific set of conditions. Our standard is 14.7 psia, 68 °F and36% RH (unless otherwise specified)Hoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants FlowNM3/HR = Normal Cubic Meters Per Hour“Normal” is a specific set of conditions. Our standard is 1.013 Bara, 0 °C and0% RH (unless otherwise specified)Hoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Thomas’s LawVn = Vs * (Tn / TS)The change in volume is directly related to the changein temperatureHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Boyle’s LawVn = Vs * (Ps / Pn)The change in volume is inversely related to thechange in pressureHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsBasic Engineering LawsLubricants CORRECTION NECESSARY FOR ACCURATEAMOUNT OF GAS TRANSFERACTUAL /h ACTUAL m 3/hr 30°C1.000 BAR (A)NORMAL m 3/hr 0°C1.013 BAR (A)EQUAL 60% RH(TYPICAL ONLY)()0% RH (FIXED)OXYGENSTANDARDSCFM =“Standard” is a specific set of conditions. Our standard is 14.7 psia, 68 °F and 36% RH (unless otherwise specified)NM3/HR = “NORMAL” is a specific set of conditions. Our standard is 1.013 Bara, 0Deg C and 0% RH (unless otherwise specified “MAXIMUM” CASEVOLUME = VOLUME T ACT P NORM p g (p)ACT NORMT NORM((P ACT((Hoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants The First Fan LawThe volume of air in cfm entering the blower inlet is directlyproportional to the speed in rpm’sQn = Qs * (RPMn)/(RPMs)()()Qn = new flow in cfmQs = original flow in cfm RPMn = new speed in RPM RPMs = original speed in RPMHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricantsHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants The Second Fan LawThe pressure making capability of a blower is approximatelyproportional to the square of the speedCR N = CR S (RPM N /RPM S)2Hoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricantsHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants The Third Fan LawThe input horsepower is directly proportional to the cube of thespeed in RPMHP N = HP S RPM N 3RPM SHP N = new input horsepower HP = original input horsepower S g p p RPM N = new speed in RPM RPM S = original speed in RPMHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricantsHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Turn Down & RisekWBLOWER CURVERISEPR E S S U DESIGN POINTSYSTEM RESISTANCER EVOLUMETURN DOWNHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricantsHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Blower PerformanceHPPR E S Cooler AirS U R Warmer AirEVOLUMEHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants TOInlet & Discharge ThrottlingTO SYSTEMINLET AIRTO BUTTERFLY VALVEP XBLOWERP JINLET SYSTEMAIRP Jis the reduced value of P caused by the BUTTERFLY VALVEP 1P 1ABLOWERP 1A is the reduced value of P 1 caused by the pressure drop across the butterfly valve.Hoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricantsHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Inlet Vs Discharge ThrottlingkW AkW J,DkW J,IkWP R J,DP J,D AP J,IE S S U J I Q SYSTEM RESISTANCEVOLUMER EJ,IJHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants kW J T kW AInlet Throttling Vs VFDJ,T kWkW J,VFDVFDTHROTTLEDP R AP JE S S U SYSTEM RESISTANCER EJQ JVOLUMEHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricantsHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants S i di i h h bl Surge is a condition where the blower builds up pressure in the discharge to the point where reverse (Surge) flow happensHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants What are the symptoms of Surge?1.Rapid Fluctuation Of Motor AmpsMotor amps change rapidly from no-loadt d i l d to design load2.VibrationDue to the rapidly alternating load / no load thrust loading created by the reversing flow,vibration levels become very high3.NoiseThis load / no load situation with the resultingvibration creates an audible change in the noise level vibration creates an audible change in the noise levelHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants What are the results of Surge?CATASTROPHIC FAILURE ! ! !This constantly alternating thrust loading creates impeller / shaft movement, over-stressing the bearings and providing the opportunity for impeller contactHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants SELECTINGTHEAPPROPRIATE MULTISTAGECENTRIFUGAL BLOWER FOR THE APPLICATIONHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Criteria / Requirements•Process Requirements–Volume Of Gas (Nm3/Hr, SCFM)–Absolute Discharge Pressure •Inlet Conditions–Ambient (Intake) Temperature –Barometric (Intake) Pressure –Relative Humidity•Application Requirements –50 or 60 HzHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Calculating Blower Pressure RequirementsPiping Losses •Piping Losses -IncludingFilter & Valves Diff LMaximum •Diffuser Losses •Head (Depth of Diffusers)Depth of DiffusersInlet Discharge Pressure Pressure LossesLossesDiffuser LossesHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Impeller SelectionPBACKWARD CURVERADIALR E S S IMPELLER CU R IMPELLER BEIMPELLER A VOLUMEHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Impeller CharacteristicsRADIAL IMPELLER kWBC IMPELLERRADIAL IMPELLERPR E BC IMPELLERS S DESIGN POINTU R EVOLUMEHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Advantages of Multistage Centrifugal BlowersFl ibilit MS Bl ll i bl fl bilit ith t•Flexibility -MS Blowers allow variable flow capability without a VFD, critical for maintaining sufficient amounts of dissolved oxygen at the minimum and maximum air requirement levels. •Efficiency -MS Blowers maintain efficiency throughout their useful life. Additional energy savings are gained by inlet throttling d i d i l hand using custom design control schemes. •Low Maintenance -With L-10 bearing life design and no wearing parts MS Blowers operate virtually maintenance free (Periodic parts, MS Blowers operate virtually maintenance free. (Periodic lubrication)•-Low Noise Most MS Blowers operate below 85 dba at 1 meter.Hoffman ®Lamson ®TurboTron ®TurboPakTMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Blower Model 1274Hoffman ®Lamson ®TurboTron ®TurboPakTMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Blower Model 1407Hoffman ®Lamson ®TurboTron ®TurboPakTMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Blower Model 2404Hoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants WE THANK YOU FOR YOUR TIME !!Hoffman ®Lamson ®TurboTron ®TurboPakTMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants CENTRIFUGAL APPLICATIONSHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants 1.Landfill Gas Extraction 2.Refinery -Sulfur Recovery 33.Process Gas Boosting 4.Carbon Black5.Fluidized Bed Incineration6.Power Plant Flue Gas Desulfurization (FGD)7.Ore Flotation8.General IndustrialHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Typical Gas: CH 4CO 2N yp 4,2, 2Why Recover the Gas?E i t l H d -Environmental Hazard -CH 4& C02‘Greenhouse’ Gases -CH 4= Natural GasApplications-Extraction to FLARES-GAS BOOSTING to a Source of Beneficial UseHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants FLARE STATIONTYPICAL FLARE SYSTEM SCHEMATICKNOCKOUT TANKLANDFILL SITESTORAGE TANKCOLLECTION SYSTEMHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants FLARE STATIONAFTERCOOLERINTERCOOLER TYPICAL GASMulti-Stage CentrifugalMulti-Stage CentrifugalRECOVERY SCHEMATICKNOCKOUT TANKDRYERLANDFILL SITEINDUSTRIAL USE OR COLLECTION SYSTEMELECTRIC GENERATIONINDUSTRIAL USE OR STEAM APPLICATIONSHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Why Use Multistage Centrifugal Blowers?Why Use Multistage Centrifugal Blowers?•Robust construction designed for long term service inRobust construction designed for long term service in a corrosive environment •MS Blowers offer variable volume capability to handle various gas rates over the life of landfill •MS Blowers offer tight bearing seal designs for g g g minimal gas leakageHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants BLOWER DESIGN CONSIDERATIONS•Saturated & Corrosive GasÎAdd Section Drains–CH 4& C02‘GREENHOUSE’ GASES(50% each usually)•Condensate Build-UpÎAdd Heresite Coated Heads & Sections ÎGas Tight Seals•Gas Leakage (Air into the system)•Variable Volume RequirementsÎGrease Units -Inlet Stuffing Box and Closed Bearing HousingsÎOil Units -4 -Carbon Rings Seals and optional purge tapsÎAluminum non-sparking drive guard for V-belt driveÎValve or VFD Drive Control for variable volumesHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricantsHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Landfill Gas Storage Tank for Low Flow Conditions gHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Brazilian LandfillHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants Brazilian LandfillHoffman ®Lamson ®TurboTron ®TurboPak TMSmartMeter ®MultiGard TM MultiFlow TM T-Vac TM Hoffco-Vac TM TurboClean TM Smooth Flow TM AEON ®L b i tCentrifugal ProductsLubricants 1.Landfill Gas Extraction 2.Refinery -Sulfur Recovery 33.Process Gas Boosting 4.Carbon Black5.Fluidized Bed Incineration6.Power Plant Flue Gas Desulfurization (FGD)7.Ore Flotation8.General Industrial。
