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    • 4. 发明授权
    • Turbine engine fuel nozzle
    • 涡轮发动机燃油喷嘴
    • US06832481B2
    • 2004-12-21
    • US10255892
    • 2002-09-26
    • Michael Herbert KoenigBernd Prade
    • Michael Herbert KoenigBernd Prade
    • F23R330
    • F23R3/286F23C2900/07001F23D2900/14004F23R3/14
    • A performance-enhancing fuel nozzle is disclosed. The nozzle suitable for use in combustors which combine high-swirl-number combustion in a pilot zone with low-swirl-number combustion in a main combustion zone. The nozzle includes a fuel delivery member adapted for fluid communication with a fuel source and a flow conditioning member having a fuel exit port. The fuel exit port is in fluid communication with the fuel supply and is adapted to ensure that the recirculation region adjacent the nozzle tip remains flame free. In one aspect of the invention, the fuel concentration profile of the nozzle is characterized by a radially-outward region that is flammable and a radially-inward region that is substantially non-flammable. In another aspect of the invention, the fuel exit port being is disposed a radially-outward portion of the flow conditioning member. In another aspect of the invention, the flow conditioning member is characterized by a swirl number lower than about 0.5. In another aspect of the invention, the exit are high-momentum jets, having a design ratio pressure of greater than about 1.1. In another aspect of the invention, the nozzle is part of a combustor which has a high-swirl-number combustion in a pilot zone and low-swirl-number combustion in a main combustion zone.
    • 公开了一种性能增强的燃料喷嘴。 该喷嘴适用于在主燃烧区内将先导区域的高涡数燃烧与低涡数燃烧相结合的燃烧器。 喷嘴包括适于与燃料源流体连通的燃料输送构件和具有燃料出口的流量调节构件。 燃料出口与燃料供应流体连通,并且适于确保与喷嘴尖端相邻的再循环区域保持无火焰状态。 在本发明的一个方面,喷嘴的燃料浓度分布特征在于可燃的径向向外区域和基本上不可燃的径向向内区域。 在本发明的另一方面,燃料出口端口设置在流量调节构件的径向向外的部分。 在本发明的另一方面,流量调节构件的特征在于低于约0.5的涡旋数。 在本发明的另一方面,出口是具有大于约1.1的设计比压力的高动量射流。 在本发明的另一方面,喷嘴是燃烧器的一部分,其在先导区域中具有高涡流数量的燃烧,并且在主燃烧区域中具有低漩涡数量的燃烧。
    • 7. 发明授权
    • Burner and method for operating a burner
    • 燃烧器和操作燃烧器的方法
    • US09217569B2
    • 2015-12-22
    • US13121955
    • 2009-09-14
    • Bernd Prade
    • Bernd Prade
    • F02C3/20F23R3/14F23R3/26F23R3/36
    • F23R3/14F23R3/26F23R3/36F23R2900/00002
    • A burner and a method for operating a burner are provided. The burner includes a channel having a mixing zone and having a feed for an oxidation means, particularly an air feed, and at least one fuel feed for injecting fuel, wherein a separating means which divides the channel over a wide range of the channel into at least two separated channels, namely a first channel and a second channel, is provided in the channel. The method for operating a burner having a channel includes a mixing zone into which an oxidation mass flow and fuel are injected, wherein two substantially separate flow paths are formed by means of a separating means in the channel and the at least two separated first and second channels, formed by the separating means.
    • 提供了一种用于操作燃烧器的燃烧器和方法。 燃烧器包括具有混合区并具有用于氧化装置的进料,特别是空气进料的通道和用于喷射燃料的至少一种燃料进料,其中分离装置将通道的宽范围分成通道 在通道中设置了至少两个分离的通道,即第一通道和第二通道。 用于操作具有通道的燃烧器的方法包括:混合区,其中注入有氧化质量流和燃料,其中通过通道中的分离装置形成两个基本上分离的流动路径,并且所述至少两个分离的第一和第二 通道由分离装置形成。
    • 8. 发明申请
    • GAS TURBINE COMBUSTION CHAMBER
    • 气体涡轮搅拌室
    • US20130125550A1
    • 2013-05-23
    • US13813494
    • 2011-06-15
    • Bernd Prade
    • Bernd Prade
    • F23R3/28
    • F23R3/28F23R3/343
    • A gas turbine combustion chamber is provided including a pilot fuel nozzle arranged in the central section of a cylinder that opens at one end towards a combustion chamber. The pilot fuel nozzle includes a fuel nozzle and a cylindrical outer casing around the outer circumference of the fuel nozzle. A pilot swirl element is arranged between fuel nozzle and outer casing, including a plurality of main burners which are arranged around the pilot fuel nozzle, and including a pilot cone having an inner side and an outer side. The pilot cone is arranged on the pilot fuel nozzle and an opening, such that a pilot flame is formed in the pilot cone by mixing air and pilot fuel in order to ignite a fuel injected by the main burners, wherein the pilot cone has turbulence generators on the inner side and/or outer side thereof.
    • 提供一种燃气轮机燃烧室,其包括引导燃料喷嘴,该引燃燃料喷嘴布置在气缸的中心部分中,该气缸的一端朝向燃烧室开口。 导向燃料喷嘴包括燃料喷嘴和围绕燃料喷嘴外圆周的圆柱形外壳。 在燃料喷嘴和外壳之间设置有一个先导涡流元件,包括设置在引燃燃料喷嘴周围的多个主燃烧器,并且包括具有内侧和外侧的先导锥体。 先导锥体布置在先导燃料喷嘴和开口上,使得先导火焰通过混合空气和引燃燃料而形成在先导锥体中,以点燃由主燃烧器喷射的燃料,其中先导锥具有湍流发生器 在其内侧和/或外侧。