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    • 31. 发明授权
    • Premix burner with high flame stability having a net-like structure within the mixing section
    • 在混合部分内具有网状结构的具有高火焰稳定性的预混合燃烧器
    • US06834504B2
    • 2004-12-28
    • US10199058
    • 2002-07-22
    • Timothy GriffinPeter JansohnThomas Ruck
    • Timothy GriffinPeter JansohnThomas Ruck
    • F02C100
    • F23D17/002F23C7/002F23C2900/07002F23D11/402F23D14/74F23M20/005F23R3/12F23R3/286F23R3/36F23R2900/00014
    • The invention relates to a premix burner with high flame stability for use in a heat generator, preferably in the combustion chamber of a gas turbine. Modern, lean-operated premix burners enable very low noxious emissions, but sometimes operate very close to the extinction limit. To increase the stability of the lean premix combustion by increasing the distance between flame temperature and extinction limit temperature the invention proposes to equip the burner in the mixing zone (200) with a net-like structure (201) for the premixing of combustion air and fuel. According to a preferred embodiment, the net-like structure (201) consists of a plurality of layers of individual wire mesh fabrics (202) arranged at a distance from each other. The wire mesh fabrics (202) are preferably equipped with an oxidation-promoting, catalytically active surface. It was found that the net structure (201) positively influences the thermoacoustic behavior of the burner and dampens and insulates pressure waves from the combustion chamber (300), and in this way reduces the excitation of pressure waves in the combustion chamber (300).
    • 本发明涉及一种具有高火焰稳定性的预混合燃烧器,用于发电机,优选在燃气轮机的燃烧室中。 现代的,精益操作的预混燃烧器可以实现非常低的有害排放,但有时运行非常接近消光极限。 为了通过增加火焰温度和消光极限温度之间的距离来增加贫预混合燃烧的稳定性,本发明提出将混合区(200)中的燃烧器装配成网状结构(201),用于预燃空气和 汽油。 根据优选实施例,网状结构(201)由彼此间隔一定距离布置的多层单独的丝网织物(202)组成。 丝网织物(202)优选配备有氧化促进的催化活性表面。 已经发现,净结构(201)对燃烧器的热声行为产生积极影响,并且抑制和隔离来自燃烧室(300)的压力波,并且以这种方式减少燃烧室(300)中的压力波的激发。
    • 33. 发明授权
    • Method of operating a gas turbine on reformed fuel
    • 在重整燃料上操作燃气轮机的方法
    • US5729967A
    • 1998-03-24
    • US698592
    • 1996-08-16
    • Franz JoosTimothy GriffinHans Koch
    • Franz JoosTimothy GriffinHans Koch
    • F01N3/08F01N3/24F02C3/20F02C3/28F02C7/26F02C9/34F23C6/04F23C13/00F23R3/40
    • F23C13/00F02C3/28F23C6/047F23R3/40
    • In a method for the operation of a power station installation which essentially comprises a compressor (4), a combustion unit and a turbine (12), the combustion unit comprising a conditioning stage for at least part of the combustion air and a combustion chamber, a portion (13a) of the compressed air (13) from the compressor (4) is passed through the conditioning stage and there first of all mixed with a quantity of fuel (14a). This mixture then passes into a generator (8), in which at least hydrogen is fractionated, this hydrogen then being used in the combustion chamber. The combustion chamber comprises a start-up burner (1), a catalytic stage (2) and a downstream second combustion stage (3). Both the air/fuel mixture (16a) fractionated in the generator (8) and the further compressor air (13) enter the combustion chamber, in which interdependent combustion occurs between the combustion units acting there, relative to the running up of the installation, for the purpose of minimizing pollutant emissions. (FIG. 1)
    • 在基本上包括压缩机(4),燃烧单元和涡轮机(12)的电站设备操作的方法中,所述燃烧单元包括用于至少部分燃烧空气和燃烧室的调节级, 来自压缩机(4)的压缩空气(13)的部分(13a)通过调节阶段,首先与一定量的燃料(14a)混合。 然后将该混合物送入发生器(8),其中至少将氢气分馏,然后将该氢气用于燃烧室。 燃烧室包括启动燃烧器(1),催化级(2)和下游第二燃烧级(3)。 在发电机(8)中分离出的空气/燃料混合物(16a)和另外的压缩机空气(13)进入燃烧室,在燃烧室中,相对于设备的运行在其间作用的燃烧单元之间发生相互依赖的燃烧, 以减少污染物排放。 (图。1)
    • 36. 发明授权
    • Catalyzer
    • 催化剂
    • US07934925B2
    • 2011-05-03
    • US11651535
    • 2007-01-10
    • Richard CarroniTimothy GriffinVerena Schmidt
    • Richard CarroniTimothy GriffinVerena Schmidt
    • F23D3/40F23M3/00F23Q11/00
    • F23C13/00F23R3/40
    • A catalyzer for burning part of a gaseous fuel/oxidant mixture, in particular for a burner of a power plant installation, has catalytically active channels and catalytically inactive channels and at least two sectors are arranged consecutively in the main flow direction. The sectors include a first sector defining an inlet sector and at least one following sector that includes one or more of a mixing sector arranged downstream from the inlet sector and an outlet sector. Further, the catalyzer has one or more of a smaller flow resistance in the inlet sector than any following sector, a higher catalytic activity in the inlet sector than any following sector, a plurality of holes in the mixing sector oriented transversely to the main flow direction and through which adjoining channels communicate, and a swirl generator in the outlet sector that provides a swirl to a gas mixture flowing through the outlet sector.
    • 用于燃烧气体燃料/氧化剂混合物的一部分的催化剂,特别是用于发电厂安装的燃烧器的催化剂具有催化活性通道和催化非活性通道,并且至少两个扇区在主流动方向上连续排列。 这些部门包括限定入口扇区的第一扇区和至少一个后续扇区,其包括布置在入口扇区下游的一个或多个混合扇区和出口扇区。 此外,催化剂在入口扇区中具有一个或多个在任何下一个扇区中的较小的流动阻力,在入口扇区中的催化活性高于任何后续扇区,混合扇区中的多个孔横向于主流动方向 并且通过其邻接的通道连通,以及在出口扇区中的涡流发生器,其向流过出口扇区的气体混合物提供涡流。
    • 39. 发明授权
    • Method for the combustion of a fuel-oxidizer mixture
    • 燃料 - 氧化剂混合物的燃烧方法
    • US07421844B2
    • 2008-09-09
    • US11066926
    • 2005-02-28
    • Timothy GriffinDieter Winkler
    • Timothy GriffinDieter Winkler
    • F23R3/40
    • F23C13/00F23C2900/13002F23C2900/9901F23R3/40
    • A method used for combustion of a fuel-oxidizer mixture in a combustion chamber of a turbogroup, in particular of a power plant wherein total oxidizer flow is divided into a main oxidizer flow and a secondary oxidizer flow. The main oxidizer flow is lean mixed with a main fuel flow in a premix burner, and the mixture is fully oxidized in the combustion chamber. The secondary oxidizer flow is divided into a pilot oxidizer flow and a heat-exchanging oxidizer flow. The pilot oxidizer flow is rich mixed with a pilot fuel flow, and the mixture is partially oxidized in a catalyst, with hydrogen being formed. Downstream of the catalyst, the partially oxidized pilot fuel-oxidizer mixture and the heat-exchanging oxidizer flow are together introduced into at least one zone which is suitable for stabilizing the combustion of the main fuel-oxidizer mixture.
    • 一种用于燃料 - 氧化剂混合物在涡轮组的燃烧室中的燃烧的方法,特别是在其中总氧化剂流分为主氧化剂流和次级氧化剂流的动力装置。 主要氧化剂流与预混燃烧器中的主要燃料流混合,并且混合物在燃烧室中被完全氧化。 次级氧化剂流分为先导氧化剂流和热交换氧化剂流。 先导氧化剂流与引燃燃料流充分混合,混合物在催化剂中部分氧化,形成氢气。 在催化剂的下游,部分氧化的先导燃料 - 氧化剂混合物和热交换氧化剂流一起引入适于稳定主燃料 - 氧化剂混合物的燃烧的至少一个区域。