SYSTEM AND METHOD FOR BLENDING AND CONTROLLING FUEL FOR COMBUSTION GAS TURBINE

PROBLEM TO BE SOLVED: To provide a flexible automatic system and method for blending an inexpensive secondary gas with a primary gas fuel for operating a dry type low-NOx gas turbine. SOLUTION: The secondary gas 320 may be a gas fuel such as hydrogen, ethane, butane, propane and liquefied natural ga...

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Hauptverfasser:	GOLDMEER JEFFREY S, SATER JOSHUA S, ANNIGERI RAVINDRA, CAMPBELL ANTHONY B
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a flexible automatic system and method for blending an inexpensive secondary gas with a primary gas fuel for operating a dry type low-NOx gas turbine. SOLUTION: The secondary gas 320 may be a gas fuel such as hydrogen, ethane, butane, propane and liquefied natural gas, or an inert gas. Combustion dynamic is avoided by controlling a blended fuel 355 within an allowable range as to a modified Wobbe Index. The combustion dynamic 375 and an gas turbine exhaust emission 370 may also be monitored to maintain safe combustion by the blended fuel 355. A gas turbine control system 290 may regulate the blending 355 and a temperature 361 of the primary gas fuel 305 and the secondary gas 320, to promote desired combustion. COPYRIGHT: (C)2010,JPO&INPIT