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1. 发明申请

US20150007575A1 POWER PLANT WITH INTEGRATED FUEL GAS PREHEATING 有权
标题翻译：具有集成燃料气体预热的动力装置
公开(公告)号：US20150007575A1
公开(公告)日：2015-01-08
申请号：US14317723
申请日：2014-06-27
申请人： ALSTOM Technology Ltd.
发明人： Paul Drouvot , François Droux , Klara Berg
IPC分类号： F01K17/02 , F02C7/224
CPC分类号： F01K17/025 , F01K23/10 , F02C6/18 , F02C7/224 , Y02E20/16
摘要： The invention refers to a CCPP comprising a gas turbine, a water steam cycle with a steam turbine and a HRSG with at least two pressure levels, and a fuel preheater for preheating the fuel of the gas turbine. The fuel preheater includes a first heat exchanger for preheating the fuel to a first elevated temperature, which is connected to a feed water line from a pressure level of the HRSG, which is below the highest HRSG pressure level, and a second heat exchanger for further preheating the fuel gas to a second elevated temperature, which is connected to the high pressure feed water with the highest pressure level of the HRSG. The disclosure further refers to a method for operating a CCPP with such a fuel preheater.
摘要翻译：本发明涉及一种CCPP，其包括燃气轮机，具有蒸汽轮机的水蒸汽循环和具有至少两个压力水平的HRSG，以及用于预热燃气轮机的燃料的燃料预热器。燃料预热器包括用于将燃料预热到第一高温的第一热交换器，该第一升高温度从低于最高HRSG压力水平的HRSG的压力水平连接到给水管线，以及用于进一步的第二热交换器将燃料气体预热到第二高温，其连接到具有最高压力水平的高压给水。本公开还涉及用这种燃料预热器操作CCPP的方法。

2. 发明授权

US10006313B2 Power plant with integrated fuel gas preheating 有权
公开(公告)号：US10006313B2
公开(公告)日：2018-06-26
申请号：US14317723
申请日：2014-06-27
申请人： ALSTOM Technology Ltd
发明人： Paul Drouvot , François Droux , Klara Berg
IPC分类号： F01K17/02 , F02C7/224 , F01K23/10 , F02C6/18
CPC分类号： F01K17/025 , F01K23/10 , F02C6/18 , F02C7/224 , Y02E20/16
摘要： The invention refers to a CCPP comprising a gas turbine, a water steam cycle with a steam turbine and a HRSG with at least two pressure levels, and a fuel preheater for preheating the fuel of the gas turbine. The fuel preheater includes a first heat exchanger for preheating the fuel to a first elevated temperature, which is connected to a feed water line from a pressure level of the HRSG, which is below the highest HRSG pressure level, and a second heat exchanger for further preheating the fuel gas to a second elevated temperature, which is connected to the high pressure feed water with the highest pressure level of the HRSG. The disclosure further refers to a method for operating a CCPP with such a fuel preheater.

3. 发明申请

US20150113939A1 COMBINED CYCLE POWER PLANT WITH IMPROVED EFFICIENCY 审中-公开
标题翻译：组合式循环电厂具有改进的效率
公开(公告)号：US20150113939A1
公开(公告)日：2015-04-30
申请号：US14523085
申请日：2014-10-24
申请人： ALSTOM Technology Ltd
发明人： Klara BERG , Mariah Couzzi-Carneiro , Paul Drouvot , Torbjörn Stenström
IPC分类号： F01K17/02
CPC分类号： F01K17/025 , F01K17/00 , F01K23/10 , Y02E20/14 , Y02E20/16
摘要： A CCPP includes a gas turbine, a HRSG, a steam turbine a flash tank and first and second supply lines. The gas turbine, the HRSG and the steam turbine are interconnected to generate power. The gas turbine may include an air preheating system to preheat the air supplied in the gas turbine to enable expedite combustion therein. The flash tank is fluidically connected at a cold end of the HRSG to extract waste hot water from the cold end. Further, the first supply line is configured to interconnect the flash tank and the steam turbine to supply of flash steam to the steam turbine. Furthermore, the second supply line is configured to interconnect the flash tank and the air preheating system to supply hot flash condensate thereto.
摘要翻译： CCPP包括燃气轮机，HRSG，蒸汽轮机，闪蒸罐以及第一和第二供应管线。燃气轮机，HRSG和蒸汽轮机相互连接以产生动力。燃气轮机可以包括空气预热系统，以预热在燃气轮机中供应的空气，以便在其中快速燃烧。闪蒸罐在HRSG的冷端流体连接，以从冷端抽取废热水。此外，第一供应管线被配置成互连闪蒸罐和蒸汽轮机以向蒸汽轮机供应闪蒸。此外，第二供应管线被配置成将闪蒸罐和空气预热系统相互连接，以向其提供热闪蒸冷凝物。

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