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公开(公告)号：US11965434B2
公开(公告)日：2024-04-23
申请号：US17578990
申请日：2022-01-19
发明人： Sung Gju Kang , Hyun Hu Kang , Gwang Soo Jang , Song Hun Cha
摘要： A combined power plant is provided. The combined power plant includes a gas turbine configured to combust fuel to generate a rotating force, a boiler configured to heat water to generate steam, an ammonia decomposition apparatus configured to receive a combustion gas generated in the gas turbine to thermally decompose ammonia to generate a decomposed gas containing hydrogen, nitrogen, and a residual ammonia, a steam turbine configured to generate a rotating force using the steam generated in the boiler, and a decomposed gas supply line configured to supply the decomposed gas generated in the ammonia decomposition apparatus to a combustor of the gas turbine.
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公开(公告)号：US11572831B2
公开(公告)日：2023-02-07
申请号：US17120193
申请日：2020-12-13
发明人： Song-Hun Cha , Sung Gju Kang , Hyo Jun Kim , Dong Hun Kim , Ki Hyun Lee , Sang Wook Kim
摘要： Disclosed are a hybrid power generation facility and a control method thereof. The hybrid power generation facility includes a gas turbine including a compressor configured to compress air introduced from an outside, a combustor configured to mix the compressed air with fuel and to combust the air and fuel mixture, and a turbine configured to produce power with first combustion gas discharged from the combustor, a GT (gas turbine) generator configured to generate electric power using a driving force generated by the gas turbine, a boiler including a combustion chamber and configured to mix the first combustion gas supplied from the turbine of the gas turbine with air and fuel supplied from the outside, a steam turbine through which steam generated in the combustion chamber passes, a ST (steam turbine) generator configured to generate electric power using a driving force generated by the steam turbine, and an energy storage system configured to be charged based on a decrease rate of power demand of a grid and a maximum decrease rate of power supply from the GT generator and the ST generator.
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公开(公告)号：US11719156B2
公开(公告)日：2023-08-08
申请号：US17677006
申请日：2022-02-22
发明人： Byoung Gu Bak , Song Hun Cha , Sung Gju Kang , Hong Geun Ha
摘要： A combined power generation system is provided. The combined power generation system includes a gas turbine configured to combust fuel to generate a rotational force, a heat recovery steam generator (HRSG) configured to heat feedwater using combustion gas discharged from the gas turbine and include a high-pressure section, a medium-pressure section, and a low-pressure section with different pressure levels, a fuel preheater configured to heat the fuel supplied to the gas turbine and include a primary heating part and a secondary heating part, and a high-pressure feedwater supply pipe connected to the high-pressure section to supply high-pressure feedwater to the secondary heating part.
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公开(公告)号：US11702964B2
公开(公告)日：2023-07-18
申请号：US17120190
申请日：2020-12-13
发明人： Song-Hun Cha , Hyun Soo An , Sung Gju Kang , Young Gun Go , Kyoung Taek Oh , SangPil Jo
CPC分类号： F01K21/047 , F01D15/10 , F01K23/10 , F02C6/18 , F02C7/224
摘要： Disclosed is a hybrid power generation facility. The hybrid power generation facility includes a gas turbine including a compressor configured to compress air introduced from an outside, a combustor configured to mix the compressed air with fuel and to combust the air and fuel mixture, and a turbine configured to produce power with first combustion gas discharged from the combustor, a boiler including a combustion chamber and a burner installed in the combustion chamber and into which the first combustion gas discharged from the turbine of the gas turbine is introduced, a steam turbine through which steam generated in the combustion chamber passes, a first GT (gas turbine) pipeline connected between the turbine of the gas turbine and the burner, a first air pipeline connected to the first GT pipeline to supply oxygen to the burner, a first oxygen sensor installed at an inlet of the burner to measure an oxygen concentration of a fluid flowing into the burner, and a first GT damper installed in the first GT pipeline to control a flow rate of the fluid flowing through the first GT pipeline according to the oxygen concentration measured by the first oxygen sensor.
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