METHOD OF OPERATING A COMBUSTOR HEAD END ASSEMBLY

    公开(公告)号:US20210301736A1

    公开(公告)日:2021-09-30

    申请号:US16833938

    申请日:2020-03-30

    Abstract: A method for selectively operating a combustor head end assembly is provided. The combustor head end assembly includes a plurality of bundled tube fuel nozzles. The method includes opening a first fuel circuit of a plurality of fuel circuits. The first fuel circuit of the plurality of fuel circuits is fluidly coupled to a first nozzle group, and the first nozzle group includes one bundled tube fuel nozzle of the plurality of bundled tube fuel nozzles. The method further includes adjusting an airflow received by the plurality of bundled tube fuel nozzles in response to opening the first fuel circuit of the plurality of fuel circuits. The airflow is adjusted based on an emissions output requirement corresponding with the first nozzle group. The method also includes firing the first nozzle group.

    SYSTEM AND METHOD FOR IGNITING LIQUID FUEL IN A GAS TURBINE COMBUSTOR

    公开(公告)号:US20180363910A1

    公开(公告)日:2018-12-20

    申请号:US15625077

    申请日:2017-06-16

    Abstract: A system and method for igniting liquid fuel in a gas turbine combustor is provided. A liquid fuel cartridge, which is located within the head end, is in flow communication with a liquid fuel supply. A gaseous fuel nozzle is located proximate the liquid fuel cartridge and in flow communication with an auxiliary gaseous fuel supply. A controller is in communication with the liquid fuel supply, the auxiliary gaseous fuel supply, and an igniter located proximate or within the head end. The controller is configured to sequentially: initiate a gaseous fuel flow from the auxiliary gaseous fuel supply to the gaseous fuel nozzle; initiate the igniter to combust the gaseous fuel flow; initiate a liquid fuel flow from the liquid fuel supply to the liquid fuel cartridge; and terminate the gaseous fuel flow from the auxiliary gaseous fuel supply.

    GAS TURBINE AND METHOD OF CONTROLLING A GAS TURBINE AT PART-LOAD CONDITION
    7.
    发明申请
    GAS TURBINE AND METHOD OF CONTROLLING A GAS TURBINE AT PART-LOAD CONDITION 审中-公开
    气体涡轮机和控制部分负荷条件下的气体涡轮机的方法

    公开(公告)号:US20140182297A1

    公开(公告)日:2014-07-03

    申请号:US13733313

    申请日:2013-01-03

    CPC classification number: F02C9/00 F02C9/48

    Abstract: A gas turbine includes a compressor section, a combustion section downstream from the compressor section, a turbine section downstream from the combustion section, and a controller. The controller controls the operation of the gas turbine at a reduced load, and is capable of querying a database including multiple sets of operational parameters for the gas turbine correlated with at least one measured output response at each set of operational parameters. One of the sets of operational parameters provides a desired gas turbine load that meets a target level for the output response. Related methods are also disclosed.

    Abstract translation: 燃气轮机包括压缩机部分,压缩机部分下游的燃烧部分,燃烧部分下游的涡轮部分和控制器。 控制器以减小的负载控制燃气轮机的操作,并且能够查询数据库,其包括与在每组操作参数下的至少一个测量的输出响应相关的燃气轮机的多组操作参数。 一组操作参数提供满足输出响应的目标水平的期望的燃气轮机负载。 还公开了相关方法。

    COMPACT TURBOMACHINE COMBUSTOR
    9.
    发明申请

    公开(公告)号:US20210301722A1

    公开(公告)日:2021-09-30

    申请号:US16833954

    申请日:2020-03-30

    Abstract: Combustors, gas turbines, and associated methods of operation are provided. A method for operating a combustor includes firing a bundled tube fuel nozzle assembly within a combustion liner of the combustor to generate combustion gases at a first temperature within a first combustion zone length. The method further includes firing a fuel injector downstream from the bundled tube fuel nozzle assembly within the combustion liner of the combustor to generate combustion gases at a second temperature within a second combustion zone length. The first combustion zone length is less than the second combustion zone length. The combustion gases travel through the first combustion zone length in a first time period and through the second combustion zone length in a second time period. The second time period is less than the first time period.

    FUEL NOZZLE FOR A PRE-MIX COMBUSTOR OF A GAS TURBINE ENGINE
    10.
    发明申请
    FUEL NOZZLE FOR A PRE-MIX COMBUSTOR OF A GAS TURBINE ENGINE 有权
    燃气涡轮发动机燃油喷嘴

    公开(公告)号:US20140311150A1

    公开(公告)日:2014-10-23

    申请号:US13864708

    申请日:2013-04-17

    Abstract: A fuel nozzle for use in a gas turbine includes a pre-mix flow passage for directing a flow segment of a flow of a working fluid through the fuel nozzle. A first swirler vane and a second swirler vane extend within the pre-mix flow passage. The first swirler vane provides a first wake region within the flow segment. The second swirler vane provides a second wake region within the flow segment. A fuel injection peg is disposed downstream from the first swirler vane and the second swirler vane. The fuel injection peg is positioned within the flow segment between the first wake region and the second wake region.

    Abstract translation: 用于燃气轮机的燃料喷嘴包括用于引导工作流体流的流动段通过燃料喷嘴的预混流动通道。 第一旋流器叶片和第二旋流器叶片在预混合流动通道内延伸。 第一旋流器叶片在流动段内提供第一尾流区域。 第二旋流器叶片在流动段内提供第二尾流区域。 燃料喷射栓设置在第一旋流叶片和第二旋流叶片的下游。 燃料喷射栓定位在第一尾流区域和第二尾流区域之间的流动段内。

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