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    • 1. 发明授权
    • Low NOx combustor for hydrogen-containing fuel and its operation
    • 用于含氢燃料的低NOx燃烧器及其操作
    • US08607572B2
    • 2013-12-17
    • US12857265
    • 2010-08-16
    • Hiromi KoizumiSatoshi DodoHirokazu TakahashiTomohiro AsaiTomomi KoganezawaShohei Yoshida
    • Hiromi KoizumiSatoshi DodoHirokazu TakahashiTomohiro AsaiTomomi KoganezawaShohei Yoshida
    • F02C1/00F02G3/00
    • F23R3/346F23C2900/9901Y02E20/18
    • An object of the present invention is to provide a gas turbine combustor that supports hydrogen-containing gas having a high burning velocity and is capable of performing low NOx combustion without reducing reliability of a burner. A first fuel nozzle is provided upstream of a combustion chamber and supplies fuel for activation and hydrogen-containing gas. The combustor has a primary combustion zone, a reduction zone and a secondary combustion zone. In the primary combustion zone, the fuel supplied from the first fuel nozzle is combusted under a fuel rich condition to form a burned gas containing a low concentration of oxygen. In the reduction zone, a hydrogen-containing gas is injected into the combustion chamber through a second fuel injection hole from a second fuel nozzle so that NOx generated in the primary combustion zone is reduced by an oxygen reaction of the hydrogen. In the secondary combustion zone, air for lean combustion is supplied into the combustion chamber so that unburned part of fuel is combusted under a fuel lean condition.
    • 本发明的目的是提供一种燃气轮机燃烧器,其支撑具有高燃烧速度的含氢气体并且能够进行低NOx燃烧而不降低燃烧器的可靠性。 第一燃料喷嘴设置在燃烧室的上游,并供应用于活化的燃料和含氢气体。 燃烧器具有主燃烧区,还原区和二次燃烧区。 在主燃烧区域中,从第一燃料喷嘴供给的燃料在富燃状态下燃烧,形成含有低浓度氧气的燃烧气体。 在还原区中,通过来自第二燃料喷嘴的第二燃料喷射孔将含氢气体注入燃烧室,使得在一次燃烧区中产生的NOx通过氢的氧反应而被还原。 在二次燃烧区域,用于稀薄燃烧的空气被供应到燃烧室中,使得燃料的未燃烧部分在燃料稀薄状态下燃烧。
    • 3. 发明申请
    • Low NOx Combustor for Hydrogen-Containing Fuel and its Operation
    • 含氢燃料的低NOx燃烧器及其操作
    • US20110094239A1
    • 2011-04-28
    • US12857265
    • 2010-08-16
    • Hiromi KOIZUMISatoshi DodoHirokazu TakahashiTomohiro AsaiTomomi KoganezawaShohei Yoshida
    • Hiromi KOIZUMISatoshi DodoHirokazu TakahashiTomohiro AsaiTomomi KoganezawaShohei Yoshida
    • F02C7/22
    • F23R3/346F23C2900/9901Y02E20/18
    • An object of the present invention is to provide a gas turbine combustor that supports hydrogen-containing gas having a high burning velocity and is capable of performing low NOx combustion without reducing reliability of a burner. A first fuel nozzle is provided upstream of a combustion chamber and supplies fuel for activation and hydrogen-containing gas. The combustor has a primary combustion zone, a reduction zone and a secondary combustion zone. In the primary combustion zone, the fuel supplied from the first fuel nozzle is combusted under a fuel rich condition to form a burned gas containing a low concentration of oxygen. In the reduction zone, a hydrogen-containing gas is injected into the combustion chamber through a second fuel injection hole from a second fuel nozzle so that NOx generated in the primary combustion zone is reduced by an oxygen reaction of the hydrogen. In the secondary combustion zone, air for lean combustion is supplied into the combustion chamber so that unburned part of fuel is combusted under a fuel lean condition.
    • 本发明的目的是提供一种燃气轮机燃烧器,其支撑具有高燃烧速度的含氢气体并且能够进行低NOx燃烧而不降低燃烧器的可靠性。 第一燃料喷嘴设置在燃烧室的上游,并供应用于活化的燃料和含氢气体。 燃烧器具有主燃烧区,还原区和二次燃烧区。 在主燃烧区域中,从第一燃料喷嘴供给的燃料在富燃状态下燃烧,形成含有低浓度氧气的燃烧气体。 在还原区中,通过来自第二燃料喷嘴的第二燃料喷射孔将含氢气体注入燃烧室,使得在一次燃烧区中产生的NOx通过氢的氧反应而被还原。 在二次燃烧区域,用于稀薄燃烧的空气被供应到燃烧室中,使得燃料的未燃烧部分在燃料稀薄状态下燃烧。
    • 5. 发明申请
    • Gas turbine combustor and fuel supply method for same
    • 燃气轮机燃烧器和燃油供应方法相同
    • US20080190113A1
    • 2008-08-14
    • US12078218
    • 2008-03-28
    • Shouhei YoshidaYoshitaka HirataKazuyuki ItouTomoya MurotaHiroshi InoueTomohiro Asai
    • Shouhei YoshidaYoshitaka HirataKazuyuki ItouTomoya MurotaHiroshi InoueTomohiro Asai
    • F02C1/00
    • F23R3/286F23R3/343
    • A gas turbine combustor includes a liquid fuel nozzle for jetting out liquid fuel; a pre-mixture chamber wall provided with the liquid fuel nozzle at a center thereof having a hollow conical shape gradually spreading in the direction in which the fuel is jetted out, and defining a pre-mixture chamber therein; a plurality of air inlet holes bored through the pre-mixture chamber wall and introducing the combustion air to the pre-mixture chamber such that angles at which the combustion air is introduced to the pre-mixture chamber through the air inlet holes are deflected at least toward the circumferential direction of the pre-mixture chamber wall; and a plurality of gaseous fuel nozzles disposed around the pre-mixture chamber wall in an opposing relation respectively to the plurality of air inlet holes and jetting out gaseous fuel substantially coaxially with axes of the air inlet holes.
    • 燃气轮机燃烧器包括用于喷出液体燃料的液体燃料喷嘴; 预混合室壁,在其中心处设置有液体燃料喷嘴,其具有在喷射燃料的方向上逐渐扩散的中空圆锥形状,并且在其中限定预混合室; 多个空气入口孔,穿过预混合室壁并将燃烧空气引入预混合室,使得燃烧空气通过进气孔引入预混合室的角度至少偏转 朝向预混合室壁的圆周方向; 以及多个气体燃料喷嘴,分别围绕所述预混合室壁以相对的关系设置在所述多个空气入口孔中,并且与所述空气入口孔的轴线大致同轴地喷出气态燃料。
    • 10. 发明授权
    • Gas turbine combustor and fuel supply method for same
    • 燃气轮机燃烧器和燃油供应方法相同
    • US07673455B2
    • 2010-03-09
    • US12078217
    • 2008-03-28
    • Shouhei YoshidaYoshitaka HirataKazuyuki ItouTomoya MurotaHiroshi InoueTomohiro Asai
    • Shouhei YoshidaYoshitaka HirataKazuyuki ItouTomoya MurotaHiroshi InoueTomohiro Asai
    • F23R3/14F02C7/22
    • F23R3/286F23R3/343
    • A gas turbine combustor includes a liquid fuel nozzle for jetting out liquid fuel; a pre-mixture chamber wall provided with the liquid fuel nozzle at a center thereof, having a hollow conical shape gradually spreading in the direction in which the fuel is jetted out, and defining a pre-mixture chamber therein; a plurality of air inlet holes bored through the pre-mixture chamber wall and introducing the combustion air to the pre-mixture chamber such that angles at which the combustion air is introduced to the pre-mixture chamber through the air inlet holes are deflected at least toward the circumferential direction of the pre-mixture chamber wall; and a plurality of gaseous fuel nozzles disposed around the pre-mixture chamber wall in an opposing relation respectively to the plurality of air inlet holes and jetting out gaseous fuel substantially coaxially with axes of the air inlet holes.
    • 燃气轮机燃烧器包括用于喷出液体燃料的液体燃料喷嘴; 在其中心设置有液体燃料喷嘴的预混合室壁,其具有沿着喷射燃料的方向逐渐扩展的中空圆锥形状,并且在其中限定预混合室; 多个空气入口孔,穿过预混合室壁并将燃烧空气引入预混合室,使得燃烧空气通过进气孔引入预混合室的角度至少偏转 朝向预混合室壁的圆周方向; 以及多个气体燃料喷嘴,分别围绕所述预混合室壁以相对的关系设置在所述多个空气入口孔中,并且与所述空气入口孔的轴线大致同轴地喷出气态燃料。