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    • 1. 发明授权
    • Gas turbine combustor
    • 燃气轮机燃烧器
    • US4898001A
    • 1990-02-06
    • US144646
    • 1988-01-11
    • Michio KurodaIsao SatoYoji IshibashiYoshihiro UchiyamaTakashi OhmoriShigeyuki AkatsuFumio KatoYorihide SegawaNobuyuki Iizuka
    • Michio KurodaIsao SatoYoji IshibashiYoshihiro UchiyamaTakashi OhmoriShigeyuki AkatsuFumio KatoYorihide SegawaNobuyuki Iizuka
    • F23R3/04F23R3/28F23R3/34F23R3/44
    • F23R3/44F23R3/04F23R3/28F23R3/346
    • A gas turbine combustor for reducing a production of NOx. The combustor includes a head combustion chamber and a rear combustion chamber which is larger in diameter than the head combustion chamber. The head combustion chamber is provided with an axially extending hollow frustoconical tubular member to form an annular combustion space therein, air holes for axially jetting air into the annular combustion chamber, air holes formed on a peripheral wall for injecting air and a plurality of fuel nozzles projected into the annular combustion space for injecting fuel into vortex formed by the air jet and the injected air flow whereby the flame is stabilized and lean combustion can be effected. The rear combustion chamber has a fuel and air supply means on the upstream side which includes air inlets formed by whirling vanes and fuel nozzles disposed in the air inlets so that fuel and air are mixed well. The fuel and air mixture is jetted substantially axially while whirling it so that formation of hot spots is avoided and the NOx formation is extremely limited.
    • 一种用于减少NOx生产的燃气轮机燃烧器。 燃烧器包括头部燃烧室和直径大于头部燃烧室的后部燃烧室。 头部燃烧室设置有轴向延伸的中空截头圆锥​​形管状构件以在其中形成环形燃烧空间,用于将空气轴向地喷射到环形燃烧室中的气孔,形成在用于喷射空气的周壁上的气孔和多个燃料喷嘴 投射到环形燃烧空间中,用于将燃料喷射到由空气射流和喷射空气流形成的涡流中,从而使火焰稳定并且可以实现贫燃。 后燃烧室在上游侧具有燃料和空气供给装置,其包括由旋转叶片形成的空气入口和设置在空气入口中的燃料喷嘴,使得燃料和空气充分混合。 燃料和空气混合物在旋转时基本上轴向地喷射,从而避免形成热点并且非常限制NOx的形成。
    • 8. 发明授权
    • Premixing swirling burner
    • 预旋转燃烧器
    • US4587809A
    • 1986-05-13
    • US677244
    • 1984-12-03
    • Takashi OhmoriIsao SatoYoji IshibashiYoshimitsu MinakawaMichio KurodaZensuke Tamura
    • Takashi OhmoriIsao SatoYoji IshibashiYoshimitsu MinakawaMichio KurodaZensuke Tamura
    • F23D14/02B01F5/04F23C6/04F23C15/00F23C99/00F23D14/62F23D14/82F23R3/34F02C1/00F02G3/00
    • F23C15/00B01F5/0451F23C6/042F23D14/62F23D14/82F23R3/346
    • A premixing swirling burner including a burner body having a swirling member at one end for causing fuel introduced into the burner body to flow in vortical form through the swirling member, a burner outer frame mounting the burner body and communicated with an air line for introducing air into the burner body, and a cylindrical member located in the burner outer frame for enclosing the burner body, with an air passage being defined between the inner periphery of the cylindrical member and an outer periphery of a portion of the burner body. A premixing chamber is defined between an outer periphery of a central portion of the burner body and an inner periphery of the cylindrical member for providing a fuel-air premix flowing toward the swirling member. A fuel chamber introduces fuel into the interior of the burner body, and a fuel ejection nozzle is located along an outer surface of the central portion of the burner body. A channel defined between the inner periphery of an end portion of the cylindrical member and an outer peripheral portion of the burner body formed an inlet for the premixing chamber has a cross-sectional area smaller than a cross-sectional area of the air passage.
    • 一种预混合旋转燃烧器,包括一端具有旋转构件的燃烧器主体,用于使引入燃烧器本体的燃料通过旋转构件以涡卷形式流动;燃烧器外框架,其安装燃烧器主体并与用于引入空气的空气管路连通 和位于燃烧器外框架中的圆筒形构件,用于封闭燃烧器主体,空气通道限定在圆柱形构件的内周和燃烧器本体的一部分外周之间。 在燃烧器主体的中心部分的外周和圆柱形部件的内周之间限定预混合室,用于提供朝向旋转部件流动的燃料 - 空气预混物。 燃料室将燃料引入燃烧器本体的内部,并且燃料喷射嘴位于燃烧器本体的中心部分的外表面。 形成在圆筒形构件的端部的内周和形成为预混合室的入口的燃烧器主体的外周部之间的通道的横截面积小于空气通道的横截面面积。