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    • 8. 发明授权
    • Burner assembly for reducing nitrogen oxides during combustion of
gaseous fuels
    • 用于在气态燃料燃烧期间还原氮氧化物的燃烧器组件
    • US5441404A
    • 1995-08-15
    • US11455
    • 1993-01-29
    • Dan L. Christenson
    • Dan L. Christenson
    • F23D14/22F23L7/00F23D14/20F23D14/26
    • F23L7/005F23D14/22F23L7/00F23C2203/30
    • A diluent injection burner apparatus capable of reducing the nitrogen oxide content in a combustion effluent, the diluent injection burner assembly provided with a burner head having an air flow passage extending therethrough and primary and secondary fuel dispensing nozzles supported within the airflow passageway and adapted to inject fuel into a downstream end portion of the burner head. A diluent manifold assembly is supported by the burner head such that upon combustion of the fuel diluent is tangentially injected into the downstream end portion of the burner head relative to a flame envelope produced by ignition of the primary and secondary fuel so that a diluent shroud is formed about a base portion of the flame envelope.
    • 一种能够减少燃烧流出物中的氮氧化物含量的稀释剂注入燃烧器装置,所述稀释剂注入燃烧器组件设置有具有延伸穿过其中的空气流动通道的燃烧器头部,以及支撑在气流通道内的主要和次要燃料分配喷嘴, 燃料进入燃烧头的下游端部分。 稀释剂歧管组件由燃烧器头部支撑,使得当燃料稀释剂燃烧时相对于通过点燃主燃料和次燃料产生的火焰包被相切地喷射到燃烧器头部的下游端部分中,使得稀释剂护罩是 围绕火焰包层的基部形成。
    • 9. 发明授权
    • Dual fuel injector nozzle for use with a gas turbine engine
    • 用于燃气涡轮发动机的双燃料喷射器喷嘴
    • US5404711A
    • 1995-04-11
    • US74639
    • 1993-06-10
    • Amjad P. Rajput
    • Amjad P. Rajput
    • F23R3/28F23C99/00F23D14/02F23D17/00F23L7/00F23R3/34F02C3/20F23R3/36
    • F23R3/343F23D14/02F23D17/002F23L7/002F23R3/286F23C2203/30
    • Fuel injection nozzles used for reducing NOx in gas turbine engines have incorporated a variety of expensive and complicated techniques. For example, systems use schemes for introducing more air into the primary combustion zone, recirculating cooled exhaust products into the combustion zone and injecting water spray into the combustion zone. The present dual fuel injector reduces the formation of carbon monoxide, unburned hydrocarbons and nitrogen oxides within the combustion zone by providing a series of premixing chambers being in serially aligned relationship one to another. During operation of the dual fuel injector the premixing chambers have a liquid fluid and air or water and air being further mixed with additional air or a gaseous fluid and air. The liquid fluid and the gaseous fluid can be use simultaneously or individually depending on the availability of fluids.
    • 用于减少燃气涡轮发动机中的NOx的燃料喷射喷嘴已经引入了各种昂贵和复杂的技术。 例如,系统使用用于将更多空气引入主燃烧区域的方案,将冷却的废气产物再循环到燃烧区域中并将喷水喷入燃烧区域。 当前的双燃料喷射器通过提供一系列串联对齐的关系来减少燃烧区内的一氧化碳,未燃烧的烃和氮氧化物的形成。 在双燃料喷射器的操作期间,预混合室具有液体流体,空气或水和空气进一步与附加空气或气态流体和空气混合。 液体流体和气体流体可以根据流体的可用性同时或单独使用。