Your Partner for Hydraulic Power Recovery

The Sulzer Advantage

Sulzer has years of experience applying reverse running pumps as power recovery turbines. Hundreds of Sulzer Hydraulic Power Recovery Turbines (HPRTs) are installed in refining hydrotreaters, gas processing and nitrogenous fertilizer plants - around the world.

Expertise Applications

The Right Product

• Inseveralindustrialprocesses,afluidunderhighpressuremustbethrottledtosuitsubsequentprocesssteps.Typically,conventionalpressurereducingvalvesareusedtodissipate,andconsequentlywastethishydraulicenergy.

• HydraulicPowerRecoveryTurbines(HPRTs)canconverttheexcesspressureintomechanicalshaftenergyandincreasetheoverallprocessefficiency.However,savingenergyisnotonlyaneconomicaspect;acarefuluseofresourcesisalsoanimportantcontributiontoenvironmentalprotection.

HPRTscanbefoundinthefollowingapplications:• Capture800kWto1.6MWofenergyinfertilizerplants

• Capture800kWinpowerrecoveryinrefininghydrotreaters

• Capture600kWingasprocessingplants

• Hydraulicturbinescomeinvariousshapesandsizes.Forhigherflowscommoninprocessstreams,centrifu-galpumpsinreverserotationareef-ficientlyusedasHPRTs.Forhighflowsandlowerpressuredifferential,mixedflow,oraxialflow(propeller)typeverti-calpumpsmaybeusedasHPRTs

• Sulzerhastherightproductstosup-portyourpumpingandHPRTneeds

Taking on Your Challenges

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Whatever the Process, We Have the Pumping Solutions

You set out the challenge, we present the solutions.

A gas-scrubbing HPRT application can recover more than 2 MW

Startuppump

Startupmotor

Level controllerBypass

Sour gas

Lean amine stream

Sweet gas stream

Am

ine

cont

acto

r

Str

ippe

r

Pump Motor

Clu

tch

HPRT

TheHPRTmaybeusedtodriveapump,generator,compressororotherrotatingmachinery.Speedisgov-ernedbytheinletcontrolvalve, motororgeneratorandtheelectricalgridfrequency.Ifrequired,aone-wayclutchbetweenamotorandtheHPRTpreventstheHPRTfromrobbingpowerfromthetrainunderlowflowstartupconditions. Duetohighgasvolumefractioncarryover,experiencestronglyindicatesthatconservativespeedsareprudenton Pump-Motor-HPRTtrainsinfertilizerplants.

Typical Hydraulic Turbine Installations

Splitrangeliquidlevelcontrollersaretypicallyusedtoregulateturbines.Thecontrolleradjuststhe HPRTinletvalveor furtheropenthebypassvalvewhentheturbineisoverpowered.

Overspeedtripdevicesareoftenfurnishedwithhydraulicturbines.Thisdevice shutstheHPRTinletvalveandacti-vatesoverspeedalarmswhenrequired.

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Pump and HPRT Products

KEY CUSTOMER BENEFITS

BBSradiallysplit,1and2stagepumpsareprimarilyusedinprocessapplicationsinrefineriesandpetrochemicalplants.TheBBSdoublesuctionimpellerisparticularlysuitedtolowNetPositiveSuctionHeadAvailable(NPSHA)applications.LiketheHSBabove,theycanbeutilizedtocaptureenergyasanHPRT.

APPLICATIONS

• Boosteraswellashighspeedcrudeshippingservices

• Sulfateremoval• ProcessHPRT

KEY CHARACTERISTICS

Capacities Upto4,200m3/h/22,000USgpmHeads Upto350m/1,500ftPressures Upto51bar/740psiTemperatures Upto425°C/800°F

BBS, CD AND HZB RADIALLY SPLIT SINGLE STAGE PUMPS ISO 13709 / API 610 BB2

BB2

BB1

KEY CUSTOMER BENEFITS

WhenrunbackwardsandreconfiguredasanHPRT,theHT-HSBorHSTisaeconomicalsolutiontoapressurereducingapplication.Theyareoneoftheworld’smostpopularnitrogenousfertilizerplantHPRTs.

APPLICATIONS

• Crudeoilpipelines• Heavydutyauxiliaryapplications

• FertilizerHPRTs

HSB HORIZONTAL AXIALLY SPLIT SINGLE STAGE BETWEEN BEARING PUMP ISO 13709 / API 610 BB1

KEY CHARACTERISTICS

Capacities Upto10,00m3/h/45,000USgpmHeads Upto550m/1,800ftPressures Upto150bar/2,200psiTemperatures Upto205°C/400°F

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KEY CUSTOMER BENEFITS

BBT/BBT-D1and2stagepumpsareprimarilyusedinprocessapplicationsinrefineriesandpetrochemicalplants.TheBBT-DdoublesuctionimpellerisparticularlysuitedtolowNPSHAapplications.BoththeBBTandBBT-DmaybeutilizedasHPRTs.

BBT/BBT-D AND CD 2-STAGE RADIALLY SPLIT PUMPS ISO 13709 / API 610 BB2

KEY CHARACTERISTICS

Capacities Upto2,300m3/h/10,000USgpmHeads Upto760m/2,500ftPressures Upto100bar/1,440psiTemperatures Upto425°C/800°F

APPLICATIONS

• Seawaterandcrudeoilboostingapplications

• ProcessHPRT

KEY CUSTOMER BENEFITS

MSD/MSD2/MSD-ROaredoublevoluteopposedimpellerpumpsusedinrefinerycharge,highpressureReverseOsmosis(RO),LiquefiedPetroleumGas(LPG)andrefinedproductpipelines.Over10,000areinstalled.SomeareusedasHPRTsinamineunitsandhydrotreaters.

KEY CHARACTERISTICS

Capacities Upto3,200m3/h/14,000USgpmHeads Upto2,900m/9,500ftPressures Upto300bar/4,400psiTemperatures Upto200°C/400°F

MSD, MSD2 AND MSD-RO AXIALLY SPLIT MULTISTAGE PUMPS ISO 13709 / API 610 BB3

APPLICATIONS

• Pipelines• Waterinjection• CO2pipelineandinjection• HPRTs

BB3

6

KEY CUSTOMER BENEFITS

SJD(API)processpumpsarespecifiedwhereverlimitedNPSHisavailable,eitherduetosystemconstraintsorliquidsoperatingneartheirvaporpressure.Typicalapplicationsincludeliquefiedpetroleumgasboosterandcryogenics.TheycanbeusedasHPRTsaswell.

SJD VERTICALLY SUSPENDED PROCESS PUMP ISO 13709 / API 610 VS6

KEY CHARACTERISTICS

Capacities Upto3,800m3/h/20,000USgpmHeads Upto700m/3,000ftPressures Upto75bar/1,100psiTemperatures Upto205°C/400°F

APPLICATIONS

• Shippingofliquefiedpetroleumgas(LPG)

• Crudeoilpipelinebooster• Debutanizer/depropanizerservicesincryogenicgasplants

KEY CUSTOMER BENEFITS

CPvolutestylepumpsareusedinbothoilproductionandhightemperaturerefineryapplications.Theyareparticularlysuitedtolowspecificgravityapplicationswheretheback-to-backdesignandcenterbushprovidenaturalaxialbalanceandadditionalshaftsupport.TheyalsomakeexcellentHPRTsforhighpressureletdownservices.

CP HORIZONTAL RADIALLY SPLIT MULTISTAGE BARREL PUMP ISO 13709 / API 610 BB5

KEY CHARACTERISTICS

Capacities Upto1,000m3/h/4,400USgpmHeads Upto7,000m/23,000ftPressures Upto425bar/6,250psiTemperatures Upto425°C/800°F

APPLICATIONS

• Highpressureoiltransport• Onshorewaterinjection• Offshorecrudeoilshipping• ProcessHPRTs

KEY CUSTOMER BENEFITS

GSGradiallysplitpumpsareusedinoilproduction,refiningandboilerfeedapplications.Theyareavailableinbothinlineandback-to-backrotorconfigurations.TheGSGback-to-backpumpsmakeexcellentHPRTsforhighpressureletdownprocessapplications.

APPLICATIONS

• Onshoreoroffshorewaterinjection

• Offshorecrudeoilshipping• ProcessHPRTs

KEY CHARACTERISTICS

Capacities Upto900m3/h/4,600USgpmHeads Upto2,600m/10,000ftPressures Upto300bar/4,500psiTemperatures Upto425°C/800°F

GSG DIFFUSER STYLE BARREL PUMP ISO 13709 / API 610 BB5

BB5

VS

7

References

Hydrotreater Charge Pump with the HPRT (China)

MSD-D 3 Stage Double Suction Pump with a HT-HSB Single Stage HPRT (USA)

CHALLENGES

Aseparateboosterpumpisinstalledonthepumpskidtoincreasethepressureofthe

availablequenchoilforPlan32from12barto40bar.Duetosafetyconcerns,mechanical

sealsandsealsystemstaticpressuredesignedtopumpandHPRTMaximumAllowable

WorkingPressure(MAWP)andMaximumAllowableWorkingTemperature(MAWT).

SOLUTION

HPRTtrain:pumpwithAPI682plans23&52,doubleextendedshaftmotor,over-running

clutch,andHPRTwithplans32and53C.API614lubesystemsuppliesentiretrain.

CHALLENGES

CO2flashesoutofsolutionaspressureisreducedthroughHPRT,andwhenexcited

throughpump.Resultingshockloadscanincreasemaintenancecosts.

SOLUTION

SelectsealsystemtoisolatesealfacesfromCO2.Useheavydutyshaftforrotorrigidity.

SelectlargerpumpandHPRTatreducedspeed.

PRODUCTS

Pump GSG150-360/6+6,MAWP260bar

MAWT318°C

HPRT GSG100-300/6+6,MAWP176bar

MAWT400°C

Pump/motor/HPRTskidisnearly12mlongx3mwide

andweighsnearly40tonnes

PRODUCTS

Pump 16x18x26MSD-D3stage

HPRT 16x18x27HT-HSB

CUSTOMER BENEFITS

• HPRTconvertspressureinto631KWshaftpowerandincreasestheoverallprocessefficiency

CUSTOMER BENEFITS

• HPRTconvertspressuredropinto1,600KWofshaftpowerandincreasestheoverallprocessefficiency

E10141en6.2014,Copyright©SulzerThisbrochureisageneralproductpresentation.Itdoesnotprovideawarrantyorguaranteeofanykind.Please,contactusforadescriptionofthewarrantiesandguaranteesofferedwithourproducts.Directionsforuseandsafetywillbegivenseparately.Allinformationhereinissubjecttochangewithoutnotice.

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