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    • 91. 发明公开
    • Advanced humid air gas turbine system
    • Fortschrittliche Feuchtluftgasturbinenan
    • EP2878790A1
    • 2015-06-03
    • EP14192429.0
    • 2014-11-10
    • Mitsubishi Hitachi Power Systems, Ltd.
    • TAKAHASHI, YoshitakaSATO, KazuhikoTAKEDA, Yasushi
    • F02C3/30F01K11/02F02C6/18
    • F02C3/305F01K17/06F01K19/00F02C3/04F02C3/30F02C6/18F05D2210/12F05D2210/20F05D2220/32
    • One of the objects of the invention is to provide a water-saving type advanced humid air gas turbine system (AHAT) that can decrease the amount of makeup water to be supplied from the outside, by reducing the amount of water consumed when the gas turbine system is starting up, shut down, or subjected to load rejection.
      The AHAT includes a gas turbine system; a heat recovery steam generator 10 for generating steam by use of exhaust gas from a turbine 4; a water recovery system 6 for recovering moisture contained in the exhaust gas; a first steam system for supplying steam, coming from the heat recovery steam generator 10, to a compressed air header; and a second steam system for supplying steam, coming from the heat recovery steam generator 10, to the heat recovery steam generator 10 or the water recovery system 6. The gas turbine system includes a compressor 1, the compressed air header 2 for generating humidified combustion air, a combustor 3 for generating combustion gas, and the turbine 4. When the gas turbine system is starting up, shut down or subjected to load rejection, steam coming from the heat recovery steam generator 10 is recovered by blocking the first steam system and making the second steam system communicate with the heat recovery steam generator 10.
    • 本发明的目的之一是提供一种节水型先进的湿式空气燃气轮机系统(AHAT),其可以通过减少燃气轮机所消耗的水量而减少从外部供给的补充水量 系统正在启动,关闭或遭受负载抑制。 AHAT包括燃气轮机系统; 用于通过使用来自涡轮4的废气产生蒸汽的热回收蒸汽发生器10; 用于回收废气中含有的水分的水回收系统6; 用于将来自热回收蒸汽发生器10的蒸汽供应到压缩空气集管的第一蒸汽系统; 以及用于将来自热回收蒸汽发生器10的蒸汽供给到热回收蒸汽发生器10或水回收系统6的第二蒸汽系统。燃气轮机系统包括压缩机1,用于产生加湿燃烧的压缩空气集管2 空气,用于产生燃烧气体的燃烧器3和涡轮机4.当燃气轮机系统启动,关闭或承受排气时,来自热回收蒸汽发生器10的蒸汽通过阻塞第一蒸汽系统而被回收, 使第二蒸汽系统与热回收蒸汽发生器10连通。
    • 93. 发明公开
    • Thermal power generation system and method for generating thermal electric power
    • Thermisches Stromerzeugungssystem und Verfahren zur Erzeugung thermischer elektrischer Energie
    • EP2762706A2
    • 2014-08-06
    • EP13192801.2
    • 2013-11-14
    • Hitachi, Ltd.
    • Numata, ShoheiNakano, SusumuShibata, TakanoriAraki, Hidefumi
    • F02C3/28F02C3/34
    • F01K13/00F01K25/103F02C3/30F02C3/34F02C6/18F05D2210/12F05D2210/14Y02E20/16Y02E20/344Y02E50/11Y02E60/15
    • A thermal power generation system uses supercritical carbon dioxide 5 as a working fluid, the thermal power generation system. The thermal power generation system includes a combustor 101 burning oxygen 3 and fuel 4 with the supercritical carbon dioxide 5, a turbine 102 driven by the supercritical CO 2 5 and water vapor fed from the combustor 101, a low pressure supercritical CO 2 storage 106 storing low pressure supercritical CO 2 from the turbine 102, a compressor 104 which compresses the low pressure supercritical CO 2 5, a high pressure supercritical CO 2 storage 107 storing high pressure supercritical CO 2 obtained through compression by the compressor 104, and a high pressure supercritical CO 2 feeder supplying the high pressure supercritical CO 2 5 from the high pressure supercritical CO 2 storage 107 to the combustor 101 , in which the high pressure supercritical CO 2 feeder supplies the high pressure supercritical carbon dioxide 5 to the combustor 101 at a constant pressure. Thus, the thermal power generation system can perform adjustment of an electric power supply required to use unstable renewable energy sources such as solar and wind power, can achieve high efficiency power generation with high temperature working fluid, and can reduce emissions of environmental load substances such as NO x and CO 2 .
    • 火力发电系统采用超临界二氧化碳5作为工作流体,火力发电系统。 火力发电系统包括燃烧氧气3和燃料4的燃烧器101,超临界二氧化碳5,由超临界CO 2 5驱动的汽轮机102和从燃烧器101供给的水蒸汽,存储了低压超临界CO 2储存器106 来自涡轮机102的低压超临界CO 2,压缩低压超临界CO 2 5的压缩机104,存储通过压缩机104压缩获得的高压超临界CO 2的高压超临界CO 2储存器107和高压超临界CO 2 将来自高压超临界CO 2储存器107的高压超临界CO 2 5供给到燃烧器101的CO 2输送器,其中高压超临界CO 2进料器以恒定压力向燃烧器101供给高压超临界二氧化碳5 。 因此,火力发电系统可以对使用太阳能和风力发电等不稳定的可再生能源所需的电力供给进行调整,能够通过高温工作流体实现高效率的发电,并且可以减少环境负荷物质的排放,例如 作为NO x和CO 2。
    • 95. 发明公开
    • Turbine using CO2 as working fluid
    • 涡轮增压器CO2二氧化碳
    • EP2687703A2
    • 2014-01-22
    • EP13158939.2
    • 2013-03-13
    • Kabushiki Kaisha Toshiba
    • Okamura, NaoyukiOkizono, NobuhiroSato, IwataroTsuruta, KazutakaOnoda, Akihiro
    • F02C7/18F01D25/12F02C3/34F02C7/10
    • F02C3/00F01D25/12F02C3/34F02C7/10F02C7/18F05D2210/12
    • In one embodiment, a turbine using CO 2 includes moving blades, stator blades, a working fluid transport flow path (35), a coolant transport flow path (36), and a coolant recovery flow path (37). The stator blades (16) constitute turbine stages together with the moving blades (13). The working fluid transport flow path is configured to transport the working fluid sequentially to the turbine stages. The coolant transport flow path is configured to transport the coolant by allowing the coolant to sequentially pass through the inside of the stator blades from an upstream to a downstream of the working fluid. The coolant recovery flow path (37) is configured to recover the coolant passing through the inside of the stator blade (16) at a predetermined turbine stage and merge the recovered coolant with the working fluid transport flow path (35) at a turbine stage on an upstream side of the predetermined turbine stage.
    • 在一个实施例中,使用CO 2的涡轮机包括移动叶片,定子叶片,工作流体输送流路(35),冷却剂输送流路(36)和冷却剂回收流路(37)。 定子叶片(16)与动叶片(13)一起构成涡轮级。 工作流体输送流路构造成将工作流体顺序输送到涡轮级。 冷却剂输送流路被构造成通过允许冷却剂从工作流体的上游到下游依次通过定子叶片的内部来输送冷却剂。 冷却剂回收流动路径(37)构造成在预定的涡轮机台处回收通过定子叶片(16)内部的冷却剂,并将回收的冷却剂与工作流体输送流路(35)在涡轮级上合并 预定涡轮级的上游侧。