Micro Gas Turbine Operation With Kerosene And Ammonia

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2014 NH3 Fuel ConferenceTHE 11TH ANNUAL NH3 FUEL CONFERENCENH3, THE RENEWABLE CARBON FREE FUELSEPTEMBER 21 – 24, 2014 DES MOINES, IAMicro Gas Turbine Operation with Kerosene andAmmoniaNorihiko Iki, Osamu Kurata, Takayuki Matsunuma, Takahiro Inoue,Masato Suzuki, Taku Tsujimura and Hirohide FurutaniFukushima Renewable Energy Institute (FREA),National Institute of Advanced Industrial Science and Technology (AIST)1

Contents1.2.3.4.5.2IntroductionPlanResultsFuture taskSummary

HydrogenproductionRenewable energyHydrogen stationAmmoniaCombustionNH3Hydrogen production Ammonia rTransportationGas turbineAmmoniaFuel CellNH33Fuel cell system

Contents1.2.3.4.5.4IntroductionPlanResultsFuture taskSummary

Fukushima Renewable Energy Institute (FREA), AISTThe turbine will be located5

50kW class micro gas turbine set in FREAThe gas turbine facility650kW class micro gas turbine firing kerosene wasremodeled for power generation firing ammonia.A standard combustor is replaced with a prototypecombustor which enables a bi-fuel supply ofkerosene and ammonia gas.Diffusion combustion is employed to the prototypecombustor due to its flame stability.

Plan of Ammonia Supply Small amount supply of ammonia gas(Kerosene ammonia combustion)gas(Temporay)Gas pressure 0.35MPareducing valveBypass50kg cylinder(liquefiedammonia)Heating by waterFuel gascompressorgas 0.2MPa50kW classgas turbineNOxremovalequipmentGas 0.5MPa Large amount supply of ammonia liquid and vaporizer(Ammonia combustion)(Under construction)Liquid Pressurereducing valve1 ton cylinder(liquefiedammonia)Fuel gascompressorVaporizer50kW classgas turbineElectric Heatingliquid 0.2MPa 216kg/day7gasGas 0.5MPaNOxremovalequipment

Contents1.2.3.4.5.8IntroductionPlanResultsFuture taskSummary

Test facilities for micro gas turbine power generationLoading equipmentMicro gasturbineNOx removal equipmentDiesel enginefor power supplyFuel gas compressorKerosene tank9

Performance test firing kerosene in the standard combustor10

Temporary facilities for ammonia gas fuel supplyFuel gas compressorNOx removal equipmentMicro Gas turbine11Gas bomb storage(Nitrogen, Ammonia)

Test facilities for micro gas turbine power generationwith temporary gas supply facilityMicro gasturbineNOx removal equipmentExhaust gasanalyzerLoading equipmentDiesel enginefor power supplyFuel gas compressorKerosene tank12Temporary gassupply facility

Exchange of CombustorMicro gas turbineInstallation of the prototypecombustor for ammoniaThe prototypecombustor for ammoniaRemoved standard combustorfor kerosene13

Co-firing Kerosene and Ammonia (1)25kW operationOver 25kW power generation was achieved.Start of nitrogen gas supplyEnd of nitogen gas supplyOver 10% reduction of kerosene supplyStart of ammonia gas supply14End of ammonia gas supply

Co-firing Kerosene and Ammonia (2)21kW operationStart of ammonia gas supply30% reduction of kerosene supplyStart of nitrogen gas supply15End of nitrogen gas supply

Co-firing Kerosene and Ammonia(3)Emission16

Co-firing Kerosene and Ammonia(4)NOx reduction17

Contents1.2.3.4.5.18IntroductionPlanResultsFuture taskSummary

Future taskNear future Increasing of supplying ratio of ammonia gas for power generationfiring kerosene-ammonia Increasing of power generation Trial of power generation firing ammonia gas onlyFuture task and under planning Methane-ammonia firing Development of low NOx combustor by cooperation with Tohokuuniversity19

Contents1.2.3.4.5.20IntroductionPlanResultsFuture taskSummary

Summary 2150kW class micro gas turbine firing kerosene was remodeled for powergeneration firing ammonia.A standard combustor is replaced with a prototype combustor which enablesa bi-fuel supply of kerosene and ammonia gas.Diffusion combustion is employed to the prototype combustor due to its flamestability.Demonstration test of co-firing of kerosene and ammonia gas was achieved tocheck the functionality of the each component of the micro gas turbine.The gas turbine started firing kerosene and increased its electric poweroutput.After achievement of stable power output, ammonia gas was started to besupplied and its flow rate increased gradually.Over 25kW power generation was achieved by supplying about 10% heatfrom ammonia gas in HHV.21kW power generation was achieved by supplying about 30% heat fromammonia gas in HHV.

Acknowledgement This work was supported by Council for Science,Technology and Innovation (CSTI), Crossministerial Strategic Innovation PromotionProgram (SIP), “energy carrier” (Funding agency: JST). The authors also thank to Professor Kobashashi,Tohoku University, and “Toyota Turbine andSystems Inc.” for the advice on the combustiontechnology and the operation of micro gasturbine.22

50kW class micro gas turbine set in FREA The gas turbine facility 50kW class micro gas turbine firing kerosene was remodeled for power generation firing ammonia. A standard combustor is replaced with a prototype combustor which enables a bi-fuel supply of kerosene and ammonia gas. Diffusion combustion is employed to the prototype

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