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    • 4. 发明授权
    • Tail pipe of gas turbine combustor and gas turbine combustor having the
same tail pipe
    • 具有相同尾管的燃气轮机燃烧器尾气管和燃气轮机燃烧器
    • US5983641A
    • 1999-11-16
    • US846579
    • 1997-04-30
    • Shigemi MandaiTetsuo GoraSatoshi TanimuraYoshichika Sato
    • Shigemi MandaiTetsuo GoraSatoshi TanimuraYoshichika Sato
    • F01D9/02F02C3/14F23R3/42
    • F01D9/023
    • In a tail pipe of gas turbine combustor, the portion just in front of the outlet 104 of tail pipe of gas turbine combustor has a shape such as to be inclined with respect to the axial direction so that the direction changes from the rearward direction to the direction toward the rear in the substantially axial direction, and at this portion, the position of center of curvature 103 in the axial direction on the rotor side lies on the upstream side from the position of center of curvature 102 on the casing side, a bent portion of tail pipe serves as a suction duct, and the occurrence of a negative pressure zone is prevented. Also, by using the tail pipe, a combustor inner tube or a burner provided on the upstream side of the tail pipe having a straight or substantially straight axis is disposed so that the axis of the combustion inner tube or the burner makes an angle with respect to the axis of the tail pipe in such a manner that combustion gas collides with the back side of the tail pipe.
    • 在燃气轮机燃烧器的尾管中,刚好在燃气轮机燃烧器尾管出口104前方的部分具有相对于轴向方向倾斜的形状,使得该方向从向后方向变为 在该部分上,转子侧轴向的曲率中心位置103位于壳体侧的曲率中心位置102的上游侧,弯曲的方向 尾管的一部分用作吸气管,并且防止了负压区的发生。 此外,通过使用尾管,设置在具有直的或基本上直的轴线的尾管的上游侧设置的燃烧器内管或燃烧器,使得燃烧内管或燃烧器的轴线相对于 以尾气管的轴线的方式使得燃烧气体与尾管的背面碰撞。
    • 5. 发明授权
    • Gas turbine combustor
    • 燃气轮机燃烧器
    • US06631614B2
    • 2003-10-14
    • US09756188
    • 2001-01-09
    • Shigemi MandaiTetsuo GoraKatsunori TanakaKouichi Nishida
    • Shigemi MandaiTetsuo GoraKatsunori TanakaKouichi Nishida
    • F23R330
    • F23D23/00F23D17/002F23D2900/00008F23R3/286F23R3/34
    • A gas turbine combustor, in which plural pre-mixers that inject fuel into swirling air passages are arranged to surround a pilot burner, and a pilot flame, guided by a pilot cone in the shape of a flaring pipe and provided at the rear end of the pilot burner, is mixed with a pre-mixture blown out from the pre-mixers to obtain a combustion gas, comprising flame-stabilizing means. The flame-stabilizing means lower the disturbance in a region where the pre-mixture and the pilot flame are mixed or stabilize the pilot flame, so that the flame generated by igniting the pre-mixture with the pilot flame is stabilized. By stabilizing the flame, combustion with a leaner air-fuel ratio is possible, and thereby the amount of NOx can be decreased.
    • 一种燃气轮机燃烧器,其中将燃料喷射到旋流空气通道中的多个预混合器被布置成围绕引燃燃烧器和引燃火焰,引导火焰由扩口管形式的先导锥体引导并且设置在 引燃燃烧器与从预混合器吹出的预混合物混合以获得包含火焰稳定装置的燃烧气体。 火焰稳定装置降低预混合物和引燃火焰混合或稳定引燃火焰的区域中的扰动,使得通过用引燃火焰点燃预混合物而产生的火焰是稳定的。 通过稳定火焰,可以用较稀的空燃比进行燃烧,从而可以减少NOx的量。