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公开(公告)号：US20140060064A1
公开(公告)日：2014-03-06
申请号：US14017911
申请日：2013-09-04
Applicant: ALSTOM Technology Ltd
Inventor： Gian Luigi Agostinelli , Andre Burdet , Michal Tadeusz Bialkowski
IPC: F02C6/04
Abstract: The present disclosure relates to a method of operating a combined cycle power generating system. The method includes combusting a fuel in a gas turbine, generating electricity and a steam of flue gas, producing a stream of steam in a heat recovery steam generator, producing a stream of concentrated carbon dioxide using an absorption unit and a solvent regeneration unit, forwarding the steam stream to a steam turbine and transferring the heat energy in the stream exiting the steam turbine to the solvent regeneration unit, and a thermal storage unit for storing heat energy. The method also includes operating a thermal storage unit, at least for a period of time, in a heat storing mode, in which a stream of steam from the stream exiting the steam turbine is condensed and transfers heat energy to heat storing means in the thermal storage unit, and operating the thermal storage unit, at least for a period of time, in a heat releasing mode, in which heat energy stored in the thermal storage unit is transferred to the solvent regeneration unit. The present disclosure further relates to a combined cycle power generating system as well as a combined cycle power plant including such a system.
Abstract translation: 本公开涉及一种操作组合循环发电系统的方法。 该方法包括在燃气轮机中燃烧燃料，发电和蒸汽蒸汽，在热回收蒸汽发生器中产生蒸汽流，使用吸收单元和溶剂再生单元产生浓缩二氧化碳流，转发 蒸汽流到蒸汽轮机并将离开蒸汽涡轮机的流中的热能转移到溶剂再生单元，以及用于存储热能的热存储单元。 该方法还包括在热存储模式中至少运行一段时间的热存储单元，其中来自蒸汽涡轮机的流的蒸汽流被冷凝，并将热能传递到热存储装置中 存储单元，并且至少在一段时间内，将热存储单元中存储的热能转移到溶剂再生单元的放热模式中操作该蓄热单元。 本公开还涉及组合循环发电系统以及包括这种系统的联合循环发电厂。
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公开(公告)号：US09617915B2
公开(公告)日：2017-04-11
申请号：US14017911
申请日：2013-09-04
Applicant: ALSTOM Technology Ltd
Inventor： Gian Luigi Agostinelli , Andre Burdet , Michal Tadeusz Bialkowski
Abstract: A method of operating a combined cycle power generating system to increase the operating flexibility of the plant. The method also includes operating a thermal storage unit in a heat storing mode and in a heat releasing mode.
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