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    • 2. 发明授权
    • Fuel injection method
    • 燃油喷射法
    • US08621870B2
    • 2014-01-07
    • US12816112
    • 2010-06-15
    • Richard CarroniAdnan Eroglu
    • Richard CarroniAdnan Eroglu
    • F02C7/22F02C7/26
    • F23R3/36F23C2900/07002F23C2900/07021F23C2900/07022F23C2900/9901F23L7/00F23R3/286F23R3/34F23R2900/00002F23R2900/03341
    • A method is provided for fuel injection in a sequential combustion system comprising a first combustion chamber and downstream thereof a second combustion chamber, in between which at least one vortex generator is located, as well as a premixing chamber having a longitudinal axis downstream of the vortex generator, and a fuel lance having a vertical portion and a horizontal portion, being located within said premixing chamber. The fuel injected is an MBtu-fuel. In said premixing chamber the fuel and a gas contained in an oxidizing stream coming from the first combustion chamber are premixed to a combustible mixture. The fuel is injected in such a way that the residence time of the fuel in the premixing chamber is reduced in comparison with a radial injection of the fuel from the horizontal portion of the fuel lance.
    • 提供了一种用于在顺序燃烧系统中进行燃料喷射的方法,所述顺序燃烧系统包括第一燃烧室,并且在其下游具有第二燃烧室,其中至少一个涡流发生器位于该第二燃烧室之间,以及具有在涡流下游的纵向轴线的预混合室 发电机和具有垂直部分和水平部分的燃料喷枪,位于所述预混合室内。 注入的燃料是一种MBtu燃料。 在所述预混合室中,燃料和包含在来自第一燃烧室的氧化物流中的气体被预混合到可燃混合物中。 与燃料喷枪的水平部分的燃料的径向喷射相比,燃料以这样的方式被喷射,使得燃料在预混合室中的停留时间减小。
    • 6. 发明授权
    • Coaxial fuel and air premixer for a gas turbine combustor
    • 用于燃气轮机燃烧器的同轴燃料和空气预混合器
    • US08443607B2
    • 2013-05-21
    • US12389994
    • 2009-02-20
    • William D. YorkWilly S. ZiminskyBenjamin P. Lacy
    • William D. YorkWilly S. ZiminskyBenjamin P. Lacy
    • F02C3/22F02C7/22
    • F23R3/286F23C2900/07022F23D14/64F23L2900/07002F23L2900/07009
    • An air/fuel premixer comprising a peripheral wall defining a mixing chamber, a nozzle disposed at least partially within the peripheral wall comprising an outer annular wall spaced from the peripheral wall so as to define an outer air passage between the peripheral wall and the outer annular wall, an inner annular wall disposed at least partially within and spaced from the outer annular wall, so as to define an inner air passage, and at least one fuel gas annulus between the outer annular wall and the inner annular wall, the at least one fuel gas annulus defining at least one fuel gas passage, at least one air inlet for introducing air through the inner air passage and the outer air passage to the mixing chamber, and at least one fuel inlet for injecting fuel through the fuel gas passage to the mixing chamber to form an air/fuel mixture.
    • 一种空气/燃料预混合器,其包括限定混合室的外围壁,至少部分地设置在所述周壁内的喷嘴,其包括与所述周壁隔开的外环形壁,以便在所述周壁和外环之间限定外部空气通道 壁,内环形壁,其至少部分地设置在外环形壁内并与外环壁相隔开,以便限定内空气通道,以及在外环形壁与内环形壁之间的至少一个燃料气体环,至少一个 限定至少一个燃料气体通道的燃料气体环,用于将空气通过内部空气通道引导空气的至少一个空气入口和到混合室的外部空气通道,以及至少一个燃料入口,用于通过燃料气体通道将燃料喷射到 混合室以形成空气/燃料混合物。
    • 10. 发明授权
    • Low NO.sub.x combustion system for fuel-fired heating appliances
    • 燃油加热设备的低NOx燃烧系统
    • US5370529A
    • 1994-12-06
    • US111297
    • 1993-08-24
    • Lin-Tao LuLarry R. MullensKeith M. Grahl
    • Lin-Tao LuLarry R. MullensKeith M. Grahl
    • F23D14/70F24H3/06F23D14/62F24H9/00
    • F24H3/065F23D14/70F23C2900/07022
    • A fuel-fired, forced air draft induced heating furnace is provided with NO.sub.x reduction apparatus associated with a plurality of combustor tubes forming a portion of its heat exchanger structure. In-shot type fuel burners are spaced apart from and face the open inlet ends of horizontal combustion sections of the combustor tubes. The NO.sub.x reduction apparatus includes a plurality of metal mesh tubes having diameters substantially less than the internal diameters of the combustion tubes. The mesh tubes are coaxially supported within the combustor tubes, adjacent their inlet ends, by elongated support members longitudinally passing through the mesh tubes and having first ends anchored to the combustor tube inlet ends, and second ends slidably resting on internal side surface portions of the combustor tubes. During burner operation the burner flames injected into the combustor tubes are forced through the mesh tubes which operate to laterally reduce the cross-sections of the flames, increase their axial velocity through the combustor tubes, and substantially diminish the intimate contact of secondary combustion with the maximum temperature zones of the flames within the combustor tubes.
    • 燃料燃烧的强制通风引风加热炉设置有与形成其热交换器结构的一部分的多个燃烧器管相关联的NOx还原装置。 喷射型燃料燃烧器与燃烧器管的水平燃烧部分的开放入口端相隔开并面对。 NOx还原装置包括多个金属网管,其直径基本上小于燃烧管的内径。 网管连接在燃烧器管内,靠近其入口端,细长的支撑件纵向通过网管并具有固定到燃烧器管入口端的第一端,第二端可滑动地搁置在燃烧器管的内侧表面部分上 燃烧器管。 在燃烧器操作期间,喷射到燃烧器管中的燃烧器火焰被迫通过网管,其操作以横向地减小火焰的横截面,增加其通过燃烧器管的轴向速度,并且基本上减少二次燃烧与 燃烧器管内火焰的最高温度区。