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    • 7. 发明授权
    • Gas turbine combustor and a gas turbine equipped therewith
    • 燃气轮机燃烧器和配备有燃气轮机的燃气轮机
    • US07832211B2
    • 2010-11-16
    • US10525004
    • 2003-11-28
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • F02C7/24F23M5/00
    • F23R3/04F05B2260/962F23M20/005F23R2900/00014Y02T50/675
    • In order to realize a stable decrease in NOx, a gas turbine combustor is supplied which can reduce combustion vibration. A combustor (3) is provided with a first box body (30), which is installed outside an object body (20) such as a combustor basket (6), a transition piece (7) or a bypass duct (11) so as to form a first internal space (31) having a predetermined capacity; and a first throat (32) having a predetermined length which has one end (32a) open to a side wall (20a) of the object body (20) and has the other end (32b) open to a first internal space (31); wherein, a first resistive element (33) having a multiple number of through-holes is inserted and engaged to one end (32a). Fluid particles serving as vibration elements of combustion vibration caused in a combustion region are effectively trapped by the first resistive element (33) and at the same time resonate with the air of the first internal space (31) being connected through the first throat (32) and vibrate in the neighborhood of the first resistive element (33), thereby damping vibration amplitude thereof.
    • 为了实现NOx的稳定降低,提供能够减少燃烧振动的燃气轮机燃烧器。 燃烧器(3)设置有第一箱体(30),其安装在诸如燃烧器筐(6),过渡件(7)或旁通管道(11)的物体(20)的外部,以便 以形成具有预定容量的第一内部空间(31); 以及具有一定长度的第一喉部(32),所述第一喉部(32)的一端(32a)朝向所述物体(20)的侧壁(20a)开口,并且另一端(32b)向第一内部空间(31)开放, ; 其中,具有多个通孔的第一电阻元件(33)被插入并接合到一端(32a)。 作为在燃烧区域中产生的燃烧振动的振动元件的流体颗粒被第一电阻元件(33)有效地捕获,同时与通过第一喉部(32)连接的第一内部空间(31)的空气共振 )并且在第一电阻元件(33)附近振动,从而阻尼振动振幅。
    • 8. 发明申请
    • Gas turbine combustor, and gas turbine with the combustor
    • 燃气轮机燃烧器和燃气轮机
    • US20050223707A1
    • 2005-10-13
    • US10525004
    • 2003-11-28
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • F23M99/00F23R3/04F02C7/24
    • F23R3/04F05B2260/962F23M20/005F23R2900/00014Y02T50/675
    • In order to realize a stable decrease in NOx, a gas turbine combustor is supplied which can reduce combustion vibration. A combustor (3) is provided with a first box body (30), which is installed outside an object body (20) such as a combustor basket (6), a transition piece (7) or a bypass duct (11) so as to form a first internal space (31) having a predetermined capacity; and a first throat (32) having a predetermined length which has one end (32a) open to a side wall (20a) of the object body (20) and has the other end (32b) open to a first internal space (31); wherein, a first resistive element (33) having a multiple number of through-holes is inserted and engaged to one end (32a). Fluid particles serving as vibration elements of combustion vibration caused in a combustion region are effectively trapped by the first resistive element (33) and at the same time resonate with the air of the first internal space (31) being connected through the first throat (32) and vibrate in the neighborhood of the first resistive element (33), thereby damping vibration amplitude thereof.
    • 为了实现NOx的稳定降低,提供能够减少燃烧振动的燃气轮机燃烧器。 燃烧器(3)设置有第一箱体(30),其安装在诸如燃烧器筐(6),过渡件(7)或旁通管道(11)的物体(20)的外部,以便 以形成具有预定容量的第一内部空间(31); 以及具有预定长度的第一喉部(32),所述第一喉部(32)具有与所述物体(20)的侧壁(20a)相通的一端(32a),并且另一端(32b)向第一内部空间 (31); 其中,具有多个通孔的第一电阻元件(33)插入并接合到一端(32a)。 作为在燃烧区域中产生的燃烧振动的振动元件的流体颗粒被第一电阻元件(33)有效地捕获,同时与通过第一喉部(32)连接的第一内部空间(31)的空气共振 )并且在第一电阻元件(33)附近振动,从而阻尼振动振幅。
    • 9. 发明授权
    • Gas turbine combustor having an acoustic energy absorbing wall
    • 具有声能吸收壁的燃气轮机燃烧器
    • US06907736B2
    • 2005-06-21
    • US10032035
    • 2001-12-31
    • Keizo OhnishiKazufumi IkedaMasaki OnoMasaharu NishimuraKatsunori Tanaka
    • Keizo OhnishiKazufumi IkedaMasaki OnoMasaharu NishimuraKatsunori Tanaka
    • F23M99/00F23R3/00F02C7/24F23R3/06
    • F23R3/002F23M20/005F23R2900/00014
    • A gas turbine combustor in which a part or all of the wall of the combustor disposed within an intake chamber is formed as an acoustic energy absorbing member that can absorb the acoustic energy of a combustion variation generated within the combustor. The acoustic energy absorbing member is constructed of a thin corrugated plate in a circumferential direction, a high-temperature-proof perforated material, or a back plate disposed at the outside of a perforated plate in a radial direction with a distance from the perforated plate. It is also possible to provide a covering member at the outside of the acoustic energy absorbing member in a radial direction, for covering the acoustic energy absorbing member with a distance from the acoustic energy absorbing member. It is preferable that the acoustic energy-absorbing member and/or the covering member are reinforced with a frame that extends in a circumferential direction and/or a longitudinal direction.
    • 一种燃气轮机燃烧器,其中设置在进气室内的燃烧器的壁的一部分或全部形成为能够吸收燃烧器内产生的燃烧变化的声能的声能吸收构件。 声能吸收构件由圆周方向的薄波纹板,耐高温多孔材料或设置在多孔板的外侧的径向方向上与多孔板的距离构成的背板构成。 还可以在声能吸收构件的外侧沿径向方向设置覆盖构件,以覆盖距离声能吸收构件一定距离的声能吸收构件。 优选的是,声能吸收构件和/或覆盖构件通过在圆周方向和/或纵向方向上延伸的框架来增强。