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    • 2. 发明公开
    • Method of exhaust gas treatment for a gas turbine system and exhaust gas treatment assembly
    • Verfahren zur Abgasbehandlungfürein Gasturbinensystem und Abgasbehandlungsanordnung
    • EP2853718A1
    • 2015-04-01
    • EP13186317.7
    • 2013-09-27
    • ALSTOM Technology Ltd
    • Wang, WuyinStefanis, VasileiosClavier, JulieColombo, MircoGuethe, Felix
    • F02C6/18F02C3/28
    • The invention relates to a method for operating a gas turbine system, wherein the gas turbine system comprises a compressor, a combustor, a heat recovery steam generator, a scrubber, a direct contact cooler, the method comprising: introducing the scrubbing fluid discharged from the scrubber into the direct contact cooler, contacting the scrubbing fluid in the direct contact cooler with the exhaust gas discharged from the heat recovery steam generator in order to remove a portion of nitrogen oxide therefrom; feeding the exhaust gas discharged from the direct contact cooler into the compressor. With the technical solution of the present invention, nitrogen oxide in the exhaust gas is reduced to a certain extent by means of used scrubbing fluid from the scrubber. This solution may improve the efficiency in reduction of nitrogen oxide with a simple and feasible manner.
    • 本发明涉及一种用于操作燃气轮机系统的方法,其中燃气轮机系统包括压缩机,燃烧器,热回收蒸汽发生器,洗涤器,直接接触式冷却器,该方法包括:将从 洗涤器进入直接接触式冷却器,使直接接触冷却器中的洗涤流体与从热回收蒸汽发生器排出的废气接触,以从其中除去一部分氮氧化物; 将从直接接触式冷却器排出的废气送入压缩机。 利用本发明的技术方案,废气中的氮氧化物通过来自洗涤器的洗涤流体被减少到一定程度。 该解决方案可以以简单和可行的方式提高氮氧化物还原效率。
    • 5. 发明公开
    • Method for operating a gas turbine with flue gas recirculation
    • Verfahren zum Betreiben einer Gurburbine mitAbgasrückführung
    • EP2955353A1
    • 2015-12-16
    • EP14172165.4
    • 2014-06-12
    • ALSTOM Technology Ltd
    • Guethe, FelixAlemela, Panduranga-Reddy
    • F02C3/34F02C1/08F02C9/26
    • F02C3/34F02C9/34F05D2270/082Y02E20/16
    • The invention relates to a method for operating a gas turbine (10) with flue gas recirculation (FGR), which gas turbine (10) comprises a combustor (12) with one or more burners, which are configured as premix burners to generate a premix flame and are equipped with an additional pilot fuel capability for starting and/or part load stabilizing purposes, whereby part of the flue gas leaving said gas turbine (10) is recirculated back to the entrance (16) of said gas turbine (10) to reduce NOx emission, and whereby pilot fuel is added with a pilot fuel ratio (PFR) to stabilize the premix flames of said one or more burners.
      To use FGR without the disadvantage of substantially reducing the stability of the premix flames, for a part load of the gas turbine (10) between 50% and 100% of full load pilot fuel is added with a pilot fuel ratio (PFR) greater than 0 and less than 0.4.
    • 本发明涉及一种用于操作具有烟道气再循环(FGR)的燃气轮机(10)的方法,该燃气轮机(10)包括具有一个或多个燃烧器的燃烧器(12),其被配置为预混燃烧器以产生预混合 并且配备有用于启动和/或部分负荷稳定目的的额外的先导燃料能力,由此离开所述燃气轮机(10)的烟道气的一部分再循环回所述燃气轮机(10)的入口(16)至 减少NOx排放,并且由此以引燃燃料比(PFR)添加引燃燃料以稳定所述一个或多个燃烧器的预混火焰。 为了使用FGR而不会显着降低预混火焰的稳定性的缺点,对于全负荷引燃燃料的50%至100%之间的燃气轮机(10)的部分负载,加入的导燃燃料比(PFR)大于 0且小于0.4。
    • 10. 发明公开
    • Method for controlling a gas turbine
    • Verfahren zur Steuerung einer Gasturbine
    • EP2993401A1
    • 2016-03-09
    • EP14183267.5
    • 2014-09-02
    • ALSTOM Technology Ltd
    • Guethe, FelixWind, TorstenZinn, HanspeterKleemann, Michael
    • F23N1/00F23N5/24F23R3/28F02C9/40
    • F02C9/40F23K2900/05004F23N1/002F23N5/242F23N2021/10F23N2041/20F23R3/28
    • The invention relates to a method for controlling a gas turbine, operating with an integral fuel reactivity measurement concept. In order to fast determine a safe operation range of the gas turbine with respect to flashback and blow-out, the method comprising deducing the fuel composition and therefore the fuel reactivity by combined measurements of (n-1) physico-chemical properties of a fuel mixture with n>1 fuel components, for deriving the concentration of one component for each physico-chemical property of the fuel gas mixture or for determining of a ratio of said fuels with known compositions and adjusting at least one operation parameter of the gas turbine at least partially based on the determined property of the fuel gas mixture entering the combustors. With the technical solution of the present invention, by way of detecting fast changes in fuel gas, it is assured that the gas turbine may operate with varieties of fuel gas under optimized performance and in safe operation ranges. In actual applications, the present invention may improve flexibility of gas turbines and cost effectiveness of operation of the gas turbines.
    • 本发明涉及一种控制燃气轮机的方法,该燃气轮机采用整体燃料反应性测量概念进行操作。 为了快速确定燃气轮机相对于回火和吹出的安全操作范围,该方法包括通过燃料的(n-1)物理化学性质的组合测量来推断燃料组成并因此推断燃料反应性 混合物,其具有n≥1个燃料组分,用于为燃料气体混合物的每个物理化学性质导出一种组分的浓度,或者用于确定所述燃料与已知组分的比例,并且调整燃气轮机的至少一个操作参数 至少部分地基于进入燃烧器的燃料气体混合物的确定的性质。 利用本发明的技术方案,通过检测燃料气体的快速变化,确保燃气轮机可以在优化的性能和安全的操作范围内以各种燃料气体操作。 在实际应用中,本发明可以提高燃气轮机的灵活性和燃气轮机运行的成本效益。