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    • 1. 发明申请
    • System for Damping Thermo-Acoustic Instability in a Combustor Device for a Gas Turbine
    • 用于燃气轮机燃烧器的阻尼热声不稳定系统
    • US20080216481A1
    • 2008-09-11
    • US10596497
    • 2004-12-15
    • Giacomo Pollarolo
    • Giacomo Pollarolo
    • F23M13/00F23R3/50
    • F23R3/50F23M20/005F23R2900/00014
    • A system for damping thermo-acoustic instability in a combustor device for a gas turbine, the combustor device including at least one combustion chamber, in particular of an annular type, and at least one burner associated to the combustion chamber and mounted in a position corresponding to a front portion set upstream of the combustion chamber; the damping system including at least one Helmholtz resonator including a casing defining inside it a pre-set volume and a neck for hydraulic connection between the pre-set volume and the combustion chamber, the neck being connected to one side of the combustion chamber at a distance from the front upstream portion thereof provided with the at least one burner. The casing of the resonator includes structure which varies the pre-set volume within a pre-set range and structure which delivers a cooling fluid.
    • 一种用于阻止燃气轮机燃烧器装置中的热声不稳定性的系统,所述燃烧器装置包括至少一个特别是环形燃烧室,以及至少一个与所述燃烧室相连的燃烧器,并且安装在相应的位置 到设置在燃烧室上游的前部; 所述阻尼系统包括至少一个亥姆霍兹共振器,所述亥姆霍兹共振器包括在其内部限定预定体积的壳体和用于预设体积和燃烧室之间的液压连接的颈部,所述颈部在燃烧室的一侧连接 距离设置有至少一个燃烧器的前部上游部分。 谐振器的壳体包括在预设范围内改变预设体积的结构和传递冷却流体的结构。
    • 2. 发明申请
    • Gas-fired heating apparatus
    • 燃气加热装置
    • US20060014114A1
    • 2006-01-19
    • US11179989
    • 2005-07-12
    • Alexander Groehl
    • Alexander Groehl
    • F23M13/00
    • F23M20/005
    • The gas-fired heating apparatus, especially a water heater, has a combustion chamber (2a); an atmospheric gas burner (5) within the combustion chamber (2a); a combustion gas/air supply system (18) having an intake device (16) for combustion gas and primary air to be mixed with the combustion gas, which is arranged outside of the combustion chamber, and an oscillation-damping air supply chamber (11) provided with at least one air inlet (12), which is connected upstream to the intake device (16) and is constructed as a Helmholtz resonator to reduce noise and stabilize combustion. To provide sufficient primary air under adverse spatial conditions the air supply chamber (11) has an exterior wall (11′) and a pattern (13, 14) of perforations in the exterior wall, which are formed as additional air inlets for additional supply of the primary air.
    • 燃气加热装置,特别是热水器,具有燃烧室(2a); 燃烧室(2a)内的气氛气体燃烧器(5); 燃烧气体/空气供给系统(18),其具有用于燃烧气体的进气装置(16)和与燃烧气体混合的一次空气,其布置在燃烧室的外部;以及振动阻尼空气供给室(11) )设置有至少一个空气入口(12),其连接到进气装置(16)的上游,并被构造为亥姆霍兹共振器,以减少噪声并稳定燃烧。 为了在不利的空间条件下提供足够的一次空气,空气供应室(11)具有外壁(11')和外壁上的穿孔图案(13,14),其形成为附加空气入口,用于额外供应 主要空气。
    • 8. 发明申请
    • Multi-response time burner system for controlling combustion driven pulsation
    • 多响应时间燃烧器系统,用于控制燃烧驱动脉动
    • US20090061369A1
    • 2009-03-05
    • US11895890
    • 2007-08-28
    • Dexin WangDavid F. CyganRichard A. Knight
    • Dexin WangDavid F. CyganRichard A. Knight
    • F23M13/00F02C7/24F23R3/28
    • F23M20/005F23R2900/00014
    • A combustion system having at least one wall enclosing a combustion chamber and forming a plurality of burner or burner nozzle openings. Disposed within each of the openings is a premix burner or burner nozzle, each of which has a premixed fuel/oxidant outlet proximate the combustion chamber and a fuel/oxidant inlet distal from the combustion chamber. At least a portion of the premix burners or burner nozzles are sized to produce different fuel/oxidant delivery disturbance response times in response to a pressure disturbance within the combustion system. Differences in fuel/oxidant delivery response times are achieved by using burners or burner nozzles having different internal dimensions, different volume flow rates, and, optionally, by varying the fuel/oxidant ratios of the mixtures flowing through the burners or burner nozzles.
    • 一种燃烧系统,其具有封闭燃烧室的至少一个壁并且形成多个燃烧器或燃烧器喷嘴开口。 在每个开口内设置有预混燃烧器或燃烧器喷嘴,每个燃烧器或燃烧器喷嘴具有靠近燃烧室的预混合燃料/氧化剂出口和远离燃烧室的燃料/氧化剂入口。 至少一部分预混燃烧器或燃烧器喷嘴的尺寸被设计成响应于燃烧系统内的压力扰动产生不同的燃料/氧化剂输送干扰响应时间。 通过使用具有不同内部尺寸,不同体积流量的燃烧器或燃烧器喷嘴以及可选地通过改变流过燃烧器或燃烧器喷嘴的混合物的燃料/氧化剂比来实现燃料/氧化剂递送响应时间的差异。