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公开(公告)号：US20160348020A1
公开(公告)日：2016-12-01
申请号：US15163159
申请日：2016-05-24
Applicant: ALSTOM Technology Ltd
Inventor： Thomas Edel , Frederic Geiger , Theirry Pourchot , Didier Wantz
CPC classification number: C10L5/04 , C10L2290/06 , C10L2290/08 , F01K7/16 , F01K7/44 , F01K11/02 , F01K17/06 , F23K1/04 , F23K2201/20 , F26B3/08 , F26B23/005 , F26B23/008 , F26B2200/08 , Y02B30/52 , Y02P70/405
Abstract: The invention relates to a lignite fired steam power plant comprising a water/steam power cycle and a lignite dryer system having a heat pump circuit configured and arranged to provide heat energy to a lignite dryer of the dryer system. The heat pump includes a dryer heat exchanger, an expansion device and an evaporator heat exchanger connected to the first outlet line so as to enable heat energy transfer from the vapour of the first outlet line to the first working fluid. A compressor is also included in the heat pump circuit. In addition the heat pump circuit is connected to the water/steam power cycle by a steam makeup line from the pressure series of steam turbines and a condensate return line.
Abstract translation: 本发明涉及一种褐煤燃烧蒸汽发电厂，其包括水/蒸汽动力循环和褐煤干燥器系统，该系统具有热泵回路，所述热泵回路构造和布置成向干燥器系统的褐煤干燥器提供热能。 热泵包括连接到第一出口管线的干燥器热交换器，膨胀装置和蒸发器热交换器，以便能够从第一出口管线的蒸气到第一工作流体的热能传递。 热泵电路中还包括压缩机。 此外，热泵电路通过来自蒸汽轮机的压力系列和冷凝水回流管线的蒸汽补充管线连接到水/蒸汽动力循环。
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公开(公告)号：US10392575B2
公开(公告)日：2019-08-27
申请号：US15162904
申请日：2016-05-24
Applicant: ALSTOM Technology Ltd
Inventor： Thomas Edel , Frederic Geiger , Thierry Pourchot , Didier Wantz
IPC: C10F5/00 , C10L5/04 , C10L9/08 , F23K1/04 , F26B3/20 , F26B11/02 , F26B11/04 , F26B23/00 , F26B3/084
Abstract: The invention relates to a dryer system for drying lignite coal used in a power plant. The system comprises a dryer and a closed loop heat pump circuit that is configured and arranged to provide heat energy to the dryer. The closed loop heat pump circuit includes a working fluid, a dryer heat exchanger, an expansion device fluidly connected and downstream of the dryer heat exchanger, arranged to enable heat energy transfer from the vapor of the second outlet line to the first working fluid and a compressor for compressing the working fluid.
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Patent Agency Ranking
公开(公告)号：US20150330628A1
公开(公告)日：2015-11-19
申请号：US14682879
申请日：2015-04-09
Applicant: ALSTOM TECHNOLOGY LTD
Inventor： Thierry Pourchot , Francois Granier , Frederic Geiger
CPC classification number: F23L7/007 , F01K7/16 , F01K7/40 , F01K9/023 , F01K13/00 , F01K17/06 , Y02E20/344
Abstract: An Air Separation Unit is disclosed which is thermally integrated into a coal fired oxy boiler power plant. The Air Separation Unit has a Dryer with a dryer heater, wherein an extraction line connects the steam extraction port to the dryer heater. A drain line of the dryer heater then fluidly connects the regeneration heater to a point of a Rankine steam cycle fluidly within the condensate system.
Abstract translation: 公开了一种空气分离单元，其被热集成到燃煤氧化锅炉发电厂中。 空气分离装置具有带有干燥器加热器的干燥器，其中抽出管线将蒸汽抽出端口连接到干燥器加热器。 然后，干燥器加热器的排水管线将再生加热器流体地连接到冷凝系统内流体的兰金蒸汽循环点。
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公开(公告)号：US09944874B2
公开(公告)日：2018-04-17
申请号：US15162987
申请日：2016-05-24
Applicant: ALSTOM Technology Ltd
Inventor： Thomas Edel , Frederic Geiger , Thierry Pourchot , Didier Wantz
CPC classification number: C10L5/04 , C10L2270/04 , C10L2290/08 , F01K5/00 , F01K7/16 , F01K11/02 , F23K2201/20 , F26B23/001 , F26B23/002 , F26B23/10 , Y02P70/40 , Y02P70/405
Abstract: The invention relates to a lignite fired steam power plant comprising a water/steam power cycle, a dryer system for drying lignite coal and a heat recovery system for recovering thermal energy from the dryer system. The heat recovery system vaporises condensate against a vapour line of the dryer steam and then compresses the vaporised condensate for use to preheat either or both combustion air or condensate of the water/steam power cycle.
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公开(公告)号：US10288279B2
公开(公告)日：2019-05-14
申请号：US15070593
申请日：2016-03-15
Applicant: ALSTOM Technology Ltd
Inventor： Frederic Geiger , Haider Mirza , Damien Baumann
Abstract: A power plant with a fossil fuel fired boiler, an air feed system, flue gas system and condensate system. A unitary flue gas heat exchanger spans a bypass line in the flue gas system and the condensate system so as to improve the thermal efficiency of the power plant while minimising complexity.
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公开(公告)号：US09944875B2
公开(公告)日：2018-04-17
申请号：US15163159
申请日：2016-05-24
Applicant: ALSTOM Technology Ltd
Inventor： Thomas Edel , Frederic Geiger , Thierry Pourchot , Didier Wantz
CPC classification number: C10L5/04 , C10L2290/06 , C10L2290/08 , F01K7/16 , F01K7/44 , F01K11/02 , F01K17/06 , F23K1/04 , F23K2201/20 , F26B3/08 , F26B23/005 , F26B23/008 , F26B2200/08 , Y02B30/52 , Y02P70/405
Abstract: The invention relates to a lignite fired steam power plant comprising a water/steam power cycle and a lignite dryer system having a heat pump circuit configured and arranged to provide heat energy to a lignite dryer of the dryer system. The heat pump includes a dryer heat exchanger, an expansion device and an evaporator heat exchanger connected to the first outlet line so as to enable heat energy transfer from the vapour of the first outlet line to the first working fluid. A compressor is also included in the heat pump circuit. In addition the heat pump circuit is connected to the water/steam power cycle by a steam makeup line from the pressure series of steam turbines and a condensate return line.
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公开(公告)号：US09835056B2
公开(公告)日：2017-12-05
申请号：US15156632
申请日：2016-05-17
Applicant: ALSTOM Technology Ltd
Inventor： Thomas Edel , Frederic Geiger , Thierry Pourchot , Didier Wantz
Abstract: The invention relates to power plant with a steam water power cycle and a lignite dryer that uses steam from the steam water power cycle. The connection of the lignite dryer to the steam water power cycle includes a first extraction line and a second extraction line.
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