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公开(公告)号：US20180298787A1
公开(公告)日：2018-10-18
申请号：US15766130
申请日：2016-09-26
Applicant: Siemens Aktiengesellschaft
Inventor： Stefan Becker , Vladimir Danov , Uwe Lenk , Florian Reißner , Erich Schmid , Jochen Schäfer
Abstract: The present disclosure relates to combined gas and steam power plants. Various embodiments may include methods for operating such plants, such as: generating hot steam with an exhaust gas of a gas turbine; driving a generator with the steam; diverting at least a part of the generated steam and storing the diverted steam in a steam accumulator; then, discharging at least a part of the steam stored in the steam accumulator from the steam accumulator; heating the steam discharged from the steam accumulator with heat released during an exothermic chemical reaction; and feeding the heated steam to drive the turbine device.
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公开(公告)号：US20190338703A1
公开(公告)日：2019-11-07
申请号：US16346328
申请日：2017-10-11
Applicant: Siemens Aktiengesellschaft
Inventor： Marc Borowski , Edwin Gobrecht , Matthias Heue , Matthias Migl , Erich Schmid
Abstract: A method for operating a combined cycle power plant, wherein the combined cycle power plant has a gas turbine and a steam turbine and also a shutting-down device, and wherein, for shutting down the gas turbine and the steam turbine, the gas turbine and the steam turbine are operated within a time window that extends from the beginning of the shutting-down procedure at a first time to the falling of the steam temperature to a lower limit value at a second time by the shutting device in such a way that the gas turbine and the steam turbine are relieved substantially at the same time and the block power falls to zero, thermal energy that is stored in the combined cycle power plant preventing immediate falling of a steam temperature to operation below a minimum power output of the gas turbine within the time window.
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公开(公告)号：US09719676B2
公开(公告)日：2017-08-01
申请号：US14652194
申请日：2013-12-03
Applicant: SIEMENS AKTIENGESELLSCHAFT
Inventor： Erich Schmid , Michael Schöttler , Anja Wallmann
CPC classification number: F22B37/486 , F01K23/10 , F22B37/50 , F28G9/00
Abstract: A power plant, particularly a coupled gas and steam power plant, including a plurality of first drainage lines that are fluidically connected on the upstream side to a water-steam circuit and are fluidically connected on the downstream side to an overpressure vessel, is provided. Additionally, at least one steam-conducting supply line, via which steam can be fed back to the water-steam circuit, is fluidically connected to the overpressure vessel. A method for operating such a power plant, wherein the at least one steam-conducting supply line can supply steam to the water-steam circuit in the region of a low-pressure stage, particularly in the region of the steam drum of the low-pressure stage is also provided.
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公开(公告)号：US10697369B2
公开(公告)日：2020-06-30
申请号：US16346328
申请日：2017-10-11
Applicant: Siemens Aktiengesellschaft
Inventor： Marc Borowski , Edwin Gobrecht , Matthias Heue , Matthias Migl , Erich Schmid
Abstract: A method for operating a combined cycle power plant, wherein the combined cycle power plant has a gas turbine and a steam turbine and also a shutting-down device, and wherein, for shutting down the gas turbine and the steam turbine, the gas turbine and the steam turbine are operated within a time window that extends from the beginning of the shutting-down procedure at a first time to the falling of the steam temperature to a lower limit value at a second time by the shutting device in such a way that the gas turbine and the steam turbine are relieved substantially at the same time and the block power falls to zero, thermal energy that is stored in the combined cycle power plant preventing immediate falling of a steam temperature to operation below a minimum power output of the gas turbine within the time window.
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公开(公告)号：US20140305132A1
公开(公告)日：2014-10-16
申请号：US14315786
申请日：2014-06-26
Applicant: SIEMENS AKTIENGESELLSCHAFT
Inventor： Edwin Gobrecht , Rainer Newald , Erich Schmid
IPC: F01K23/10
CPC classification number: F01K23/101 , F01K23/10 , F01K23/108
Abstract: A method for starting a gas and steam turbine system which includes a gas turbine system which includes at least one gas turbine, in addition to at least one steam turbine system which includes at least one steam turbine and at least one steam system is provided. Heat produced by the working fluid and which is released in the gas turbine is guided to the steam system in order to produce steam which drives the steam turbine. During starting, the gas turbine is started prior to the steam turbine and the steam turbine is started in the presence of the first steam in the system and is impinged upon by said steam.
Abstract translation: 提供一种用于启动气体和蒸汽涡轮机系统的方法，该系统包括除了包括至少一个蒸汽轮机和至少一个蒸汽系统的至少一个蒸汽涡轮机系统之外的至少一个燃气轮机的燃气涡轮机系统。 由工作流体产生并在燃气轮机中释放的热被引导到蒸汽系统，以产生驱动蒸汽轮机的蒸汽。 在启动期间，燃气轮机在蒸汽轮机之前启动，并且蒸汽轮机在系统中的第一蒸汽的存在下启动并被所述蒸汽冲击。
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Patent Agency Ranking
公开(公告)号：US11015490B2
公开(公告)日：2021-05-25
申请号：US15766130
申请日：2016-09-26
Applicant: Siemens Aktiengesellschaft
Inventor： Stefan Becker , Vladimir Danov , Uwe Lenk , Florian Reißner , Erich Schmid , Jochen Schäfer
Abstract: The present disclosure relates to combined gas and steam power plants. Various embodiments may include methods for operating such plants, such as: generating hot steam with an exhaust gas of a gas turbine; driving a generator with the steam; diverting at least a part of the generated steam and storing the diverted steam in a steam accumulator; then, discharging at least a part of the steam stored in the steam accumulator from the steam accumulator; heating the steam discharged from the steam accumulator with heat released during an exothermic chemical reaction; and feeding the heated steam to drive the turbine device.
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公开(公告)号：US10794226B2
公开(公告)日：2020-10-06
申请号：US16315736
申请日：2017-06-26
Applicant: Siemens Aktiengesellschaft
Inventor： Stefan Becker , Erich Schmid
Abstract: A power plant having a steam circuit which can be supplied, in the region of a heat recovery steam generator, with thermal energy for producing steam, the steam circuit has, in the region of the heat recovery steam generator, a high pressure part, a medium pressure part and a low pressure part. In addition, a heat reservoir which has a phase change material and which is not situated in the region of the heat recovery steam generator is included, wherein, in order to supply the heat reservoir with thermally processed water, a supply line which leads out from the high pressure part or the medium pressure part is included and a discharge line which leads into the medium pressure part, the low pressure part or a steam turbine is included for discharging thermally processed water from the heat reservoir.
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公开(公告)号：US20180340451A1
公开(公告)日：2018-11-29
申请号：US15761550
申请日：2016-09-26
Applicant: Siemens Aktiengesellschaft
Inventor： Stefan Becker , Vladimir Danov , Uwe Lenk , Erich Schmid , Jochen Schäfer , Alexander Tremel
Abstract: The present disclosure relates to power plants. Various embodiments thereof may include a method for operating a gas-and-steam combined-cycle power plant. For example, some embodiments may include a method for operating a gas-and-steam combined-cycle power plant including: providing exhaust gas from a gas turbine to a steam generator; generating steam by means of the exhaust gas; driving a generator with the steam via a turbine installation to provide an electric current; removing the exhaust gas from the steam generator; and using at least a portion of heat contained in the exhaust gas downstream from the steam generator to affect an endothermic chemical reaction.
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9.发明申请METHOD FOR OPERATING A GAS AND STEAM TURBINE INSTALLATION FOR FREQUENCY SUPPORT 审中-公开用于运行气体和蒸汽涡轮机安装频率支持的方法公开(公告)号：US20140345278A1
公开(公告)日：2014-11-27
申请号：US14356158
申请日：2012-10-30
Applicant: Siemens Aktiengesellschaft
Inventor： Andreas Pickard , Erich Schmid
IPC: F01K27/02
CPC classification number: F01K27/02 , F01K3/04 , F01K23/101
Abstract: A method for operating a gas and steam turbine system having a gas turbine, a steam turbine and a waste heat steam generator is provided herein, wherein steam for the steam turbine can be generated in the exchange of heat with exhaust gas from the gas turbine. Absorption capacity of the steam turbine can be increased and pressure in the waste heat steam generator can be lowered to utilize storage reserves in the waste heat steam generator for increased generation of steam to assist the frequency in the power system starting from a steady-state operating mode. Thermal energy is fed to the waste heat steam generator wherein a power profile of the gas and steam turbine system is greater than or equal to a preceding power level of the steady-state operating mode to increase the absorption capacity of the steam turbine and reduce pressure in the waste heat steam generator.
Abstract translation: 本文提供了一种用于操作具有燃气轮机，蒸汽轮机和废热蒸汽发生器的气体和蒸汽涡轮机系统的方法，其中用于蒸汽轮机的蒸汽可以与来自燃气涡轮机的排气的热量交换产生。 可以增加蒸汽轮机的吸收能力，并且可以降低废热蒸汽发生器中的压力，以利用废热蒸汽发生器中的储存储备用于增加蒸汽的产生，以帮助从稳态运行开始的电力系统中的频率 模式。 热能被馈送到废热蒸汽发生器，其中气体和蒸汽涡轮机系统的功率分布大于或等于稳态运行模式的先前功率水平，以增加蒸汽轮机的吸收能力并降低压力 在废热蒸汽发生器中。
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公开(公告)号：US20190301306A1
公开(公告)日：2019-10-03
申请号：US16315736
申请日：2017-06-26
Applicant: Siemens Aktiengesellschaft
Inventor： Stefan Becker , Erich Schmid
Abstract: A power plant having a steam circuit which can be supplied, in the region of a heat recovery steam generator, with thermal energy for producing steam, the steam circuit has, in the region of the heat recovery steam generator, a high pressure part, a medium pressure part and a low pressure part. In addition, a heat reservoir which has a phase change material and which is not situated in the region of the heat recovery steam generator is included, wherein, in order to supply the heat reservoir with thermally processed water, a supply line which leads out from the high pressure part or the medium pressure part is included and a discharge line which leads into the medium pressure part, the low pressure part or a steam turbine is included for discharging thermally processed water from the heat reservoir.
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