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    • 15. 发明专利
    • Steam injection system of gas turbine
    • 燃气轮机蒸汽喷射系统
    • JPS58214607A
    • 1983-12-13
    • JP9771482
    • 1982-06-09
    • Hitachi Ltd
    • IMAIZUMI TATSUO
    • F01K21/04F01K23/10F02C3/30
    • F01K23/101F01K21/042Y02E20/16
    • PURPOSE:To enhance the operating efficiency of a plant and prevent damage of a combustor by injecting the steam overheated by an overheater of an exhaust heat boiler into the steam extracted out of the boiler drum and decompressed and then supplying them to the combustor of gas turbine. CONSTITUTION:In this combined cycle plant, a generator 7 is driven by a gas turbine 4 and a steam turbine 8. The steam in a boiler drum 17 installed at an exhaust heat boiler 5 is extracted to be then led to an injection steam overheater 33' through a pressure reducing valve 32. The steam overheated by the overheater 21 of exhaust heat boiler 5 is injected into the injection steam overheater 33'. A less overheated steam of high quality can be obtained by thus combining the saturated steam with low humidity with the overheated steam, so that economical performance of the gap turbine is enhanced as well as damage of the combustor of gas turbine can be prevented.
    • 目的:为了提高工厂的运行效率,并通过将由排热锅炉的过热器过热的蒸汽喷射到从锅炉鼓中抽出的蒸汽中并将其减压,然后将其供给到燃气轮机的燃烧器 。 构成:在这种联合循环设备中,发电机7由燃气轮机4和汽轮机8驱动。安装在废热锅炉5的锅炉转鼓17中的蒸汽被抽出,然后被引导到注射蒸汽过热器33 通过减压阀32将排气热锅炉5的过热器21过热的蒸汽注入喷射蒸汽过热器33'。 通过将饱和蒸汽与低湿度的过热蒸汽结合,可以获得高质量的过热蒸汽,从而提高间隙式涡轮机的经济性能,并且可以防止燃气轮机的燃烧器的损坏。
    • 17. 发明授权
    • Dual cycle turbine engine having increased efficiency and heat recovery
system for use therein
    • 具有提高效率的双循环涡轮发动机和用于其中的热回收系统
    • US6065283A
    • 2000-05-23
    • US85329
    • 1998-05-26
    • Ahmad R. Shouman
    • Ahmad R. Shouman
    • F01K21/04F01K23/10F02C3/30F02C6/18
    • F02C3/30F01K21/042F01K23/10Y02E20/16
    • A dual cycle engine which includes both a steam turbine and a gas turbine. The engine includes an air compressor and a combustion chamber connected to the air compressor for burning fuel with air from the air compressor to generate a first gaseous output which drives a gas turbine. The engine also includes a heat recovery system for recovering heat from the gaseous output of the gas turbine after the gaseous output has passed through the gas turbine. The heat recovery system includes a heat exchanger for extracting heat from the gaseous output and for heating an input water stream to generate steam. The steam is heated further in a superheater that burns fuel and air at the same pressure as the combustion chamber to generate a second gaseous output that is combined with the output of the combustion chamber prior to the output from the combustion chamber being passed through the gas turbine. The steam from the superheater is expanded in a steam turbine to generate work therefrom. In the preferred embodiment of the present invention, the heat exchanger is a supercritical heat exchanger. The water input stream is preferably generated by condensing water from the gaseous output after the gaseous output has passed through the heat exchanger. The superheater may be constructed by utilizing a heat exchanger in the combustion chamber. In embodiments of the present invention that utilize a steam injected gas turbine, the steam injection is provided by the output of the steam turbine.
    • 一种双循环发动机,其包括蒸汽轮机和燃气轮机。 发动机包括空气压缩机和连接到空气压缩机的燃烧室,用于利用来自空气压缩机的空气燃烧燃料,以产生驱动燃气轮机的第一气体输出。 发动机还包括一个热回收系统,用于在气体输出通过燃气轮机之后从燃气轮机的气体输出回收热量。 热回收系统包括用于从气体输出提取热量并用于加热输入水流以产生蒸汽的热交换器。 在过热器中进一步加热蒸汽,该过热器在与燃烧室相同的压力下燃烧燃料和空气,以产生第二气体输出,其在从燃烧室输出通过气体之前与燃烧室的输出组合 涡轮。 来自过热器的蒸汽在蒸汽轮机中膨胀以从中产生作业。 在本发明的优选实施例中,热交换器是超临界热交换器。 水输入流优选通过在气体输出通过热交换器之后冷凝来自气体输出的水而产生。 过热器可以通过在燃烧室中利用热交换器来构造。 在利用蒸汽喷射燃气轮机的本发明的实施例中,蒸汽喷射由蒸汽轮机的输出提供。