Nozzle for a turbomachine
    1.
    发明公开
    Nozzle for a turbomachine 审中-公开
    Düsefüreine Turbomaschine

    公开(公告)号:EP2211108A2

    公开(公告)日:2010-07-28

    申请号:EP09176062.9

    申请日:2009-11-16

    IPC分类号: F23R3/14 F23R3/28

    CPC分类号: F23R3/286 F23R3/14

    摘要: The injection nozzle (38, 39) of a turbomachine includes a main body (82) having a first end section (84) that extends to a second end section (85) to define an inner flow path (86). The injection nozzle further includes an outlet (90, 141) arranged at the second end section (85) of the main body (82), at least one passage (100, 101) that extends within the main body (82) and is fluidly connected to the outlet (90), and at least one conduit (114) extending between the inner flow path (86) and the at least one passage (100, 101).

    摘要翻译: 涡轮机的注射喷嘴(38,39)包括具有延伸到第二端部(85)以限定内部流路(86)的第一端部(84)的主体(82)。 喷嘴还包括布置在主体(82)的第二端部(85)处的出口(90,141),至少一个在主体(82)内延伸的流体(101,101) 连接到出口(90)和在内部流路(86)和至少一个通道(100,101)之间延伸的至少一个导管(114)。

    Method for detecting gas turbine engine flashback
    2.
    发明公开
    Method for detecting gas turbine engine flashback 审中-公开
    Verfahren zur Detektion vonFlammenrückschlageiner Gurburbine

    公开(公告)号:EP2249005A2

    公开(公告)日:2010-11-10

    申请号:EP10155290.9

    申请日:2010-03-03

    IPC分类号: F02C9/00

    摘要: A method for monitoring and controlling a gas turbine (10), comprises predicting (86) frequencies of combustion dynamics in a combustor (14) using operating conditions (40) of a gas turbine (10), receiving (88) a signal (38) from a sensor (36) that is indicative of combustion dynamics in the combustor (14), and detecting (94) a flashback if a frequency of the received signal does not correspond to the predicted frequencies.

    摘要翻译: 一种用于监测和控制燃气轮机(10)的方法,包括使用燃气轮机(10)的运行条件(40)来预测(86)燃烧器(14)中的燃烧动态的频率,接收(88)信号(38) )指示燃烧器(14)中的燃烧动力学的传感器(36),并且如果接收信号的频率不对应于预测频率,则检测(94)闪回。

    Methods and systems to facilitate reducing flashback/flame holding in combustion systems
    3.
    发明公开
    Methods and systems to facilitate reducing flashback/flame holding in combustion systems 审中-公开
    Verfahren und Systeme zur Minderung vonFlammenrückschlag/ Flammenhalterung in Verbrennungssystemen

    公开(公告)号:EP1985923A2

    公开(公告)日:2008-10-29

    申请号:EP08151877.1

    申请日:2008-02-25

    IPC分类号: F23R3/10 F23R3/14

    摘要: A gas turbine combustor system (10) includes a combustion liner (28) and a premixing injector (26) coupled to the combustion liner. The premixing injector includes a centerbody (38) including a center axis and a radially outer surface. An inlet flow conditioner (32) is coupled to the centerbody such that a inlet flow conditioner substantially circumscribes the centerbody. The inlet flow conditioner includes a radially outer wall (50) including a plurality of openings (52) defined therein, the outer wall is substantially parallel to the center axis. A radially inner wall (76) extends substantially parallel to the outer wall, and the inner wall is spaced from the outer wall such that a first passage (58) is defined therebetween. The inner wall is spaced from the centerbody outer surface such that a second passage (66) is defined therebetween, and an end wall (54) extends substantially perpendicularly between the outer and inner walls. The end wall includes a plurality of openings (56) defined therein.

    摘要翻译: 燃气轮机燃烧器系统(10)包括燃烧衬套(28)和联接到燃烧衬套的预混合喷射器(26)。 预混合喷射器包括包括中心轴线和径向外表面的中心体(38)。 入口流动调节器(32)联接到中心体,使得入口流动调节器基本上限制中心体。 入口流动调节器包括径向外壁(50),其包括限定在其中的多个开口(52),外壁基本上平行于中心轴线。 径向内壁(76)基本上平行于外壁延伸,并且内壁与外壁间隔开,使得在其间限定第一通道(58)。 内壁与中心体外表面间隔开,使得在其间限定第二通道(66),并且端壁(54)在外壁和内壁之间基本垂直地延伸。 端壁包括限定在其中的多个开口(56)。

    Methods and systems to facilitate reducing flashback/flame holding in combustion systems
    5.
    发明公开
    Methods and systems to facilitate reducing flashback/flame holding in combustion systems 审中-公开
    方法和系统用于减少燃烧系统倒叙/火焰稳定器

    公开(公告)号:EP1985923A3

    公开(公告)日:2014-03-19

    申请号:EP08151877.1

    申请日:2008-02-25

    IPC分类号: F23R3/10 F23R3/14

    摘要: A gas turbine combustor system (10) includes a combustion liner (28) and a premixing injector (26) coupled to the combustion liner. The premixing injector includes a centerbody (38) including a center axis and a radially outer surface. An inlet flow conditioner (32) is coupled to the centerbody such that a inlet flow conditioner substantially circumscribes the centerbody. The inlet flow conditioner includes a radially outer wall (50) including a plurality of openings (52) defined therein, the outer wall is substantially parallel to the center axis. A radially inner wall (76) extends substantially parallel to the outer wall, and the inner wall is spaced from the outer wall such that a first passage (58) is defined therebetween. The inner wall is spaced from the centerbody outer surface such that a second passage (66) is defined therebetween, and an end wall (54) extends substantially perpendicularly between the outer and inner walls. The end wall includes a plurality of openings (56) defined therein.

    Fuel blanketing by inert gas or less reactive fuel layer to prevent flame holding in premixers
    6.
    发明公开
    Fuel blanketing by inert gas or less reactive fuel layer to prevent flame holding in premixers 审中-公开
    惰性气体或反应性较低的燃料层的燃料保护装置,以避免火焰保持在预混合器

    公开(公告)号:EP2251604A1

    公开(公告)日:2010-11-17

    申请号:EP10155268.5

    申请日:2010-03-03

    IPC分类号: F23R3/28

    摘要: A premixer for a gas turbine combustor (14) includes a first passage (4) configured to inject a highly reactive fuel (10); and a second passage (6) configured to inject an inert gas or a less reactive fuel (8) or a mixture of both. The second passage (6) is configured to form a layer of the inert gas or less reactive fuel (8) or the mixture of both that blankets a layer of the highly reactive fuel (10). Another premixer includes a plurality of nozzles (16), each nozzle including a pair of concentric tubes (18, 20), / the pair of concentric tubes including a first tube (18) configured to inject a highly reactive fuel (22) and a second tube (20) surrounding the first tube (18) and configured to dispense an inert gas or a less reactive fuel (24) or a mixture of both that blankets the highly reactive fuel (22).

    摘要翻译: 一种用于燃气涡轮机燃烧器的预混合器(14)包括构造成喷射高反应性燃料(10)的第一通道(4); 和配置的第二通道(6)喷射惰性气体或反应性较低的燃料(8)或两者的混合物。 第二通道(6)被配置,以形成惰性气体的层或更小的反应性燃料(8)或两者的混合物做了毛毯的高度反应性的燃料(10)的层。 另一预混合器包括喷嘴的多个(16),每个喷嘴包括一对同心的管(18,20)/一对同心管包括被配置为喷射高反应性燃料(22)的第一管(18)和一 第二管(20)围绕所述第一管(18),并且被配置惰性气体或反应性较低的燃料(24)或两者的混合物做了毛毯的高度反应性的燃料(22)中进行分配。

    Nozzle for a turbomachine
    7.
    发明公开
    Nozzle for a turbomachine 审中-公开
    喷嘴涡轮机

    公开(公告)号:EP2211108A3

    公开(公告)日:2013-07-31

    申请号:EP09176062.9

    申请日:2009-11-16

    IPC分类号: F23R3/14 F23R3/28

    CPC分类号: F23R3/286 F23R3/14

    摘要: The injection nozzle (38, 39) of a turbomachine includes a main body (82) having a first end section (84) that extends to a second end section (85) to define an inner flow path (86). The injection nozzle further includes an outlet (90, 141) arranged at the second end section (85) of the main body (82), at least one passage (100, 101) that extends within the main body (82) and is fluidly connected to the outlet (90), and at least one conduit (114) extending between the inner flow path (86) and the at least one passage (100, 101).

    Methods and systems to facilitate reducing NOx emissions in combustion systems
    9.
    发明公开
    Methods and systems to facilitate reducing NOx emissions in combustion systems 有权
    燃气涡轮机与贫直接注射燃烧系统,以减少NOx排放

    公开(公告)号:EP1985927A2

    公开(公告)日:2008-10-29

    申请号:EP08151853.2

    申请日:2008-02-22

    IPC分类号: F23R3/28 F23R3/34

    摘要: A gas turbine combustor system is provided. The gas turbine combustor system includes a combustion liner (50) including a center axis, an outer wall, a first end (56,62,80), and a second end (60,82), the outer wall is orientated substantially parallel to the center axis, a transition piece (52) coupled to the liner second end, the transition piece including an outer wall, and a plurality of lean-direct injectors (64) spaced axially along at least one of the liner outer wall and the transition piece outer wall.

    摘要翻译: 本发明提供一种燃气轮机燃烧器系统。 平行的燃气轮机燃烧器系统包括一个燃烧衬套(50)包括中心轴线到外壁,第一端(56,62,80),和第二端(60,82),所述外壁基本上是定向 的中心轴,连接到所述衬套的第二端的过渡件(52),所述过渡件包括外壁,和稀直接喷射器(64)的多个沿衬套外壁中的至少一个和过渡轴向隔开 拼凑外壁。

    Methods and systems to facilitate operating within flame-holding margin
    10.
    发明公开
    Methods and systems to facilitate operating within flame-holding margin 审中-公开
    Verfahren und Systemefürden Betrieb innerhalb eines Flammenhaltebereichs

    公开(公告)号:EP1985925A2

    公开(公告)日:2008-10-29

    申请号:EP08151854.0

    申请日:2008-02-22

    IPC分类号: F23R3/14 F23R3/28

    CPC分类号: F23R3/14 F02C9/40 F23R3/286

    摘要: A system to facilitate operating within flame-holding margins in a turbine engine, is provided. The system includes at least one swirler segment coupled within the fuel nozzle of the turbine engine, the at least one swirler segment includes at least one vane extending between an inner band (50) and an outer band (40), a design fuel from a fuel source, at least one fuel injection orifice defined in a surface of the at least one vane, the at least one fuel injection orifice designed to optimize turbine performance using the design fuel, a non-design fuel channeled through the at least one fuel injection orifice into a compressed fluid flow to establish a jet penetration height, and an operating window (110) to facilitate reducing the jet penetration height and to facilitate increasing the flame-holding margins.

    摘要翻译: 提供一种便于在涡轮发动机的火焰保持余量内操作的系统。 该系统包括耦合在涡轮发动机的燃料喷嘴内的至少一个旋流器段,所述至少一个旋流器段包括在内带(50)和外带(40)之间延伸的至少一个叶片,来自 燃料源,限定在所述至少一个叶片的表面中的至少一个燃料喷射孔,所述至少一个燃料喷射孔设计成使用所述设计燃料来优化涡轮机性能,通过所述至少一个燃料喷射引导的非设计燃料 孔口进入压缩流体流以建立射流穿透高度,以及操作窗口(110),以有助于降低射流穿透高度并有利于增加火焰保持余量。