APPARATUS AND METHOD FOR COMBUSTOR

PROBLEM TO BE SOLVED: To provide an apparatus and a method for a combustor.SOLUTION: A combustor 14 includes an end cover 22 and a combustion chamber disposed downstream of the end cover. The combustor further includes nozzles disposed radially in the end cover and a shroud 36 surrounding at least o...

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Hauptverfasser:	MESHKOV SERGEY ANATOLIEVICH, ZIMINSKY WILLY STEVE, CHRISTOPHER EDWARD WOLF, OSKIN SERGEY ADOLFOVICH
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an apparatus and a method for a combustor.SOLUTION: A combustor 14 includes an end cover 22 and a combustion chamber disposed downstream of the end cover. The combustor further includes nozzles disposed radially in the end cover and a shroud 36 surrounding at least one of the nozzles and extending downstream into the combustion chamber. The shroud includes an inner wall surface and an outer wall surface. A method for operating the combustor includes steps for making a compressed working fluid flow through nozzles 32, 34 into the combustion chamber, making fuel flow through each nozzle in a first subset of the nozzles into the combustion chamber, and igniting and burning the fuel from each nozzle in the first subset of nozzles in the combustion chamber. In addition, the method includes steps for extending into the combustion chamber a separate shroud around each nozzle in a second subset of the nozzles, and isolating fuel to each nozzle in the second subset of nozzles.