Henri Paradowski Samuel A. Afolabi Chen-Hwa Chiu ... · PDF fileThe 3rd Annual World LNG...

The 3rd Annual World LNG SummitThe 3rd Annual World LNG Summit

99th th --1212thth December 2002, Rome, ItalyDecember 2002, Rome, Italy

Assessment of LNG Expander TechnologyAssessment of LNG Expander TechnologyHenri Henri ParadowskiParadowski

TechnipTechnip FranceFranceProcess DivisionProcess Division

Paris La Defense, FranceParis La Defense, Francehparadowskihparadowski@@techniptechnip.com.com

Samuel A. Samuel A. AfolabiAfolabiRotating Equipment EngineerRotating Equipment EngineerNigeria LNG, Bonny Island, Nigeria LNG, Bonny Island,

NigeriaNigeriaSamuel.Samuel.AfolabiAfolabi@@nlngnlng.com.com

ChenChen--HwaHwa ChiuChiuLNG Technology AdvisorLNG Technology Advisor

ChevronTexaco ChevronTexaco Bellaire, Texas , USABellaire, Texas , USA

chiuchchiuch@@chevrontexacochevrontexaco.com.com

YoshitsugiYoshitsugi KikkawaKikkawaEngineering Consultant Engineering Consultant Chiyoda CorporationChiyoda Corporation

Yokohama, Japan Yokohama, Japan ykikkawaykikkawa@ykh.chiyoda.co.@ykh.chiyoda.co.jpjp

Everett H. HyltonEverett H. HyltonPresidentPresident

Ebara International Corp.Ebara International Corp.Sparks, Nevada, USASparks, Nevada, USA

ehyltonehylton@ebaraintl.com@ebaraintl.com

Hans E. KimmelHans E. KimmelVice President R&DVice President R&D

Ebara International Corp.Ebara International Corp.Sparks, Nevada, USASparks, Nevada, USA

hkimmelhkimmel@ebaraintl.com@ebaraintl.com

CWC Associates Limited www.CWC Associates Limited www.thecwcgroupthecwcgroup.com.com

Origin of LNG Expander Origin of LNG Expander TechnologyTechnology

United States Patent 4,334,902United States Patent 4,334,902

Inventor: Henri Inventor: Henri ParadowskiParadowskiTechnipTechnip, Paris La Defense, France, Paris La Defense, France

Priority Date: Dec. 12, 1979Priority Date: Dec. 12, 1979France 79 30490France 79 30490

Method of and System for Method of and System for Refrigerating a Fluid to be Cooled Refrigerating a Fluid to be Cooled

Down to a Low TemperatureDown to a Low Temperature

United States Patent United States Patent 4,334,902 4,334,902 June 15, 1982June 15, 1982

Inventor: Henri Inventor: Henri ParadowskiParadowski

Method of and System for Refrigerating a Fluid to be Cooled Method of and System for Refrigerating a Fluid to be Cooled Down to a Low TemperatureDown to a Low Temperature

LNG Expander EconomicsLNG Expander Economics

LNG ExpanderPower Output

Increase inLNG Output

Increase in RevenueFor LNG Price

$266.67/tonkW Tons/year $/year1

10050010002000

606,00030,00060,000120,000

16,0001,600,0008,000,00016,000,00032,000,000

Overall Plant Process Scheme Overall Plant Process Scheme –– Typical 1995Typical 1995

MLNG Dua, Malaysia:MLNG Dua, Malaysia:

First generation LNG First generation LNG expander with airexpander with air--cooled cooled generator and rotating generator and rotating

shaft sealshaft seal19961996

(Flowserve Corp.)(Flowserve Corp.)

NLNG Nigeria:NLNG Nigeria:

First generation LNG and First generation LNG and HMR expanders with airHMR expanders with air--

cooled generator and rotating cooled generator and rotating shaft sealshaft seal

19991999

(Flowserve Corp.)(Flowserve Corp.)

NLNG Nigeria:NLNG Nigeria:

AirAir--Cooled and ExplosionCooled and Explosion--Proof Proof Induction GeneratorInduction Generator

Coupling and Coupling and

Rotating Shaft SealRotating Shaft Seal

19991999

(Flowserve Corp.)(Flowserve Corp.)

Comparison in Comparison in size and weight size and weight

between first and between first and secondsecond--

generation LNG generation LNG expandersexpanders

ThreeThree--Stage Stage Liquid Expander Liquid Expander for Oman LNGfor Oman LNG

19991999(Ebara Intl. Corp.)(Ebara Intl. Corp.)

Oman LNGOman LNGLiquefaction Process Trains 1 and 2Liquefaction Process Trains 1 and 2

Oman LNGOman LNG

MLNG Tiga, MalaysiaMLNG Tiga, Malaysia

SecondSecond--generation LNG generation LNG expander with submerged expander with submerged

generator and variable speedgenerator and variable speed20002000

(Ebara Intl. Corp.) (Ebara Intl. Corp.)

Generator RotorGenerator Rotor

Generator StatorGenerator Stator

Thrust Equalization Thrust Equalization

Mechanism (TEM)Mechanism (TEM)

Fixed Geometry Fixed Geometry

Inlet Guide VanesInlet Guide Vanes

RunnersRunners

Axial Turbine Nozzle RingAxial Turbine Nozzle Ring

Radial Turbine Nozzle RingRadial Turbine Nozzle Ring

Reaction Turbine RunnerReaction Turbine Runner

Typical Performance for Variable Speed Typical Performance for Variable Speed LNG ExpandersLNG Expanders

ThreeThree--Stage Stage Liquid Expander Liquid Expander

for Ras Laffan LNGfor Ras Laffan LNG20022002

(Ebara Intl. Corp.)(Ebara Intl. Corp.)

20022002 Third Generation: Exducer TurbineThird Generation: Exducer TurbineCross section with radial turbine and exducer stageCross section with radial turbine and exducer stage

Turbine ExducerTurbine Exducer

RunnersRunners

Fixed Geometry Fixed Geometry

Inlet Guide VanesInlet Guide Vanes

Thrust Equalizing Thrust Equalizing

Mechanism (TEM)Mechanism (TEM)

Generator StatorGenerator Stator

Generator RotorGenerator Rotor

Typical Performance for Exducer Turbine ExpandersTypical Performance for Exducer Turbine Expanders

TwoTwo--Phase Expansion at HomePhase Expansion at Home

TwoTwo--Phase Expansion in NaturePhase Expansion in Nature

Turbine ExducerTurbine Exducer

RunnerRunner

Fixed Geometry Fixed Geometry

Inlet Guide VanesInlet Guide Vanes

Thrust Equalizing Thrust Equalizing

Mechanism (TEM)Mechanism (TEM)

Generator StatorGenerator Stator

Generator RotorGenerator Rotor

20022002

TwoTwo--phase exducer with 45phase exducer with 45°° blade pitch blade pitch

TwoTwo--phase exducer with 5phase exducer with 5°° blade pitch blade pitch

Typical performance of twoTypical performance of two--phase exducer turbinephase exducer turbine

Performance field of twoPerformance field of two--phase exducer turbinephase exducer turbine

Ebara International Corporation Ebara International Corporation Headquarters and Factory Sparks, NevadaHeadquarters and Factory Sparks, Nevada

Company ProfileCompany Profile•• Established in 1973Established in 1973•• Manufacturer of liquefied gas pumps Manufacturer of liquefied gas pumps

and cryogenic liquid expandersand cryogenic liquid expanders•• Located in Sparks, Nevada, USALocated in Sparks, Nevada, USA•• Division of Ebara Corporation of JapanDivision of Ebara Corporation of Japan•• 5000 M5000 M22 factory with a liquefied gas test factory with a liquefied gas test

facilityfacility•• ISO 9001 CertifiedISO 9001 Certified

Liquefied Gas Test FacilityLiquefied Gas Test FacilityEbara Intl. Corp.Ebara Intl. Corp.

Liquefied Gas Test FacilityLiquefied Gas Test Facility

Thank YouThank You