EP4069950A1 - Anlage mit thermischem energiespeicher, verfahren zum betreiben und verfahren zur modifikation - Google Patents
Anlage mit thermischem energiespeicher, verfahren zum betreiben und verfahren zur modifikationInfo
- Publication number
- EP4069950A1 EP4069950A1 EP20839105.2A EP20839105A EP4069950A1 EP 4069950 A1 EP4069950 A1 EP 4069950A1 EP 20839105 A EP20839105 A EP 20839105A EP 4069950 A1 EP4069950 A1 EP 4069950A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- turbine
- thermal energy
- gas turbine
- gas
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/18—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids characterised by adaptation for specific use
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Definitions
- the invention relates to a system in which the exhaust gas from a gas turbine is fed into a thermal energy store, the energy of the thermal energy store can be used for various purposes, a method for operating such a system and a method for modi fication of existing systems.
- EP 2574 755 A2 discloses a system and a method for generating electrical power in which the hot gas for the gas turbine is heated by means of solar energy. This has the disadvantage that the gas turbine cannot be controlled individually.
- the object of the invention is achieved by a system according to claim 1, a method for operating a system according to claim 19 and a method for modifying a system according to claim 31.
- FIG. 1 shows a gas and steam plant according to the prior art and the invention is shown schematically in FIGS. 2 to 10.
- Figure 1 shows an example of an energy conversion system 1 'from the prior art.
- a gas turbine 100 is connected to an electric generator 5 for generating electricity.
- the electric generator 5 is also connected to a steam turbine 6 (single-line system).
- a steam turbine is available if it is a combined gas and steam turbine system (CCGT).
- CCGT combined gas and steam turbine system
- An energy conversion system 1 ′ can also have only one gas turbine 100 without a steam turbine 6.
- AHDE waste heat steam generator
- An exhaust air chimney 10 is also preferably present.
- FIG. 1 An installation 1 according to the invention is shown schematically in FIG.
- the gas turbine 100 is preferably coupled via a transmission 4 or a clutch 4 to the electric generator 5 for generating electricity.
- a steam turbine 6 is available if it is a combined gas and steam turbine system (CCGT).
- CCGT combined gas and steam turbine system
- steam turbine is meant here and in the entire description of the invention a single steam turbine or a steam turbine set of at least two multiple steam turbines, selected from high pressure turbine (s), medium pressure turbine (s) and low pressure turbine).
- the generator 5 is also connected to the steam turbine 6 preferably via a steam turbine clutch 2, in particular by means of an SSS clutch.
- the system 1, 1 ′′ (Fig 6) is designed so that the steam turbine 6 can be operated alone.
- a condenser 7 is closed.
- the hot exhaust gas from the gas turbine 100 can be passed into a thermal energy store 103 via the diffuser 8.
- the energy content of the energy store 103 is sufficient to operate the steam turbine 6 alone and constantly for at least several minutes for longer.
- the energy content of the energy store 103 is preferably at least 1 GWh, in particular at least 2 GWh (gigawatt hours).
- the stored energy from the energy store 103 can be withdrawn if required, in particular to heat water for district heating 25, in order to then feed it into the district heating network and / or it is used to supply the CCGT system 1, 1 ′′ (FIG. 6 ) To generate steam. Furthermore, the stored energy from the energy store 103 can be used to preheat the fuel or the gas used for the combustion process in the gas turbine 100, which increases the efficiency of the gas turbine 100.
- process heat and process steam from the energy store 103 for example for drying sewage sludge, air preheaters, refrigerating machines or expansion machines, are further applications.
- electricity from renewable energy from wind power 106 or solar energy systems 109 can also be stored in the thermal energy store 103, in particular by means of an electrical heater 36.
- bypass chimney 112 which transfers the hot exhaust gas from the gas turbine 100 either directly into the thermal energy store 103 or into the heat recovery system (AHDE) 9 directs.
- the hot exhaust gas from the gas turbine 100 is passed directly, in whole or in part, into the thermal energy store 103.
- the gas turbine 100 with its hot exhaust gas can also be used in combined cycle operation in order to charge the thermal energy store 103.
- the hot exhaust gas from the gas turbine 100 can be directed into the AHDE 9 and / or introduced into the thermal energy store 103, depending on the network load. If less electricity is required in the network, the gas turbine 100 can be reduced to a certain load, preferably it is switched off completely.
- the thermal energy storage device 103 then does not have to be charged any further by the gas turbine 100.
- the energy store 103 can still be charged by wind energy 106 and solar energy 109 by means of an electrical heater 36.
- the thermal energy store 103 is discharged via the AHDE 9 in order to operate the steam turbine 6, which in turn drives the generator 5, 5 '(FIG. 6).
- Another exhaust chimney 10 ' is present behind the energy store 103 if, for. B. hot air is blown out of the energy store 103.
- a bypass line 114 with a re gel flap 111 is also present.
- a steam turbine 6 and upstream processes can, as shown in FIG. 3, be used in order to use the energy stored in the energy store 103 in order to generate electricity.
- the gas turbine 100 is shown, which is operated in the open cycle or simple cycle (solo operation) or combined cycle operation.
- the hot exhaust gas from the gas turbine 100 can be added to the thermal energy store 103 via a first supply line 13 ′.
- the energy can also be taken from the thermal energy store 103 in the form of hot air in order to feed it to the AHDE 9 or another consumer of thermal energy 30.
- the thermal energy 30 from the energy store 103 is used to use it to generate electricity.
- AHDE heat exchanger
- thermal energy 30 from the energy store 103 for heating water, in application of refrigeration machines, expansion machines, process heat for drying systems or for district heating 25.
- FIG. 4 shows a further variant of a combined cycle plant 1 according to the invention, in which, in addition to FIG to be heated, optionally to the hot exhaust gas of the gas turbine 100.
- FIG. 6 the part of the gas turbine 100 or combined cycle plant 1, 1 ′′ (FIG. 6) is only shown schematically and corresponds in particular to FIG. 2.
- the thermal energy store 103 can preferably be divided into modules 103a, 103b, ... 103n and can thus also be used in FIGS unload.
- the thermal energy store 103 is therefore preferably of modular design.
- Individual modules 103a, 103b, ..., 103n can be heated separately from one another and thus brought to different temperatures and heat contents. High temperatures in the energy store 103 or the modules 103a,..., 103n are thermodynamically best.
- the modular energy store 103 has at least partially, in particular for all modules 103a, 103b, .
- a fluid, from cooled steam, in particular from the high-pressure part of the steam turbine 6, is fed back into the AHDE 9 for reheating in order to reheat it there.
- Fluid, high-pressure steam from the high-pressure part of the AHDE 9 is conducted to the steam turbine 6 via a second line 42 according to FIG.
- a fluid, low-pressure steam from the low-pressure part of the AHDE 9 to the low-pressure part of the steam turbine 6 is conducted via a third line 45 according to FIG.
- a fluid, water (condensate) is fed back into the AHDE 9 via a fourth line 53 according to FIG. 5 in order to heat it there again.
- a fluid, medium-pressure steam from reheating of the AHDE 9 is fed to the steam turbine 6 via a fifth line 59 according to FIG.
- a recirculation fan 56 can preferably be used to assist.
- the representation according to FIG. 5 is a single-shaft system with a gas turbine 100, generator 5, steam turbine 6, coupled in one line.
- FIG. 6 in a modification of FIG. 5, a further exemplary embodiment is shown in which a further generator 5 'is present, that is to say a combined cycle plant 1 ′′ in a multi-shaft configuration.
- FIG. 6 the whole is shown in an arrangement for a combined cycle plant 1 ′′ in a multi-shaft configuration.
- the gas turbine 100 and the associated generator 5 are coupled to a string, while the steam turbine 6 and the further, associated generator 5 'are coupled to a separate string.
- thermal store 103 is possible in both scenarios (FIGS. 5, 6).
- a steam turbine clutch 2 (FIG. 2) between the generator 5 and the steam turbine 6, which allows the generator 5 to be operated separately, driven by the gas turbines 100.
- the combined cycle plant 1 '' in a multi-shaft arrangement allows a wide range of flexibility.
- the thermal energy store 103 is fed by the gas turbine 100 and the re-electrification takes place via the AHDE 9 by means of the steam turbine 6 and generator 5 ', the gas turbine 100 and the generator 5 being able to be operated independently of this.
- the run load profile of the gas turbine 100 can also vary from the load profile of the discharge process of the thermal energy store 103.
- FIG. 7 schematically shows the system according to the previous FIGS. 2 to 6.
- the thermal energy store 103 can also be heated by means of solar energy 109 and / or wind energy 106 by using the electricity generated from renewable energy for heating.
- This supply is controlled by power regulators 701 for electrical power from renewable energy sources.
- the flow of thermal energy is regulated by various sliders (in particular by means of guillotines) 703, 706, 727, 730, control flaps 709, 712 and shut-off flaps 715, 718.
- thermo energy store 103 is shown in detail according to the previous figures, in which the individual modules 103a, 103b to 103n are shown, each of which has a controller 800a, 800b, ..., 800n to control the enable individual modules 103a, b, ..., n, in particular their exhaust flaps 115a, ... n.
- the modules 103a, b, ..., n are therefore spatially separated from one another by walls.
- the bypass line 114 behind the thermal energy store 103 with an exhaust gas flap 114a is also shown.
- FIG. 9 shows a similar level of detail to FIG. 8, in which drives, in particular hydraulic drives 120a, 120b, ..., 120n; 112a are present in order to control the loading or unloading of the individual modules 103a to 103n of the thermal store 103 and the bypass line 114.
- pressure gauges 903, 903 ', 906, 915 and temperature gauges 909', 909 '', 909 ''', 909 IV , 909 v and 912 are used to control the load / unloading.
- the temperature can be measured at the inlet 122 by means of sensors 909 'in front of 909''and behind 909''' of a pressure measurement 906 as well as behind 909 IV of the exhaust system 115a and at the end 909V of the module 103a.
- a temperature measurement 912 and a pressure measurement 915 also make sense at the outlet 142.
- a single module 103a is shown as an example of the other modules of the thermal store 103 in a detail of FIG.
- Each module 103a is opened or closed by a hydraulically operated flap 120a.
- the pressure gradient as well as the temperature gradient within the thermal store can be determined with a differential pressure measuring device 903 and temperature sensors 909 ′′, 909 ′′ ′′, which are arranged in the inlet area and in the outlet area 909 v of the module 103a.
- An insulation 1001 between the individual modules 120a,... can preferably be present between the individual elements and / or the outer region of the modules.
- the heat is blown out via the outlet 142 in the direction of the waste heat boiler AHDE 9.
- sensors 903 that measure a differential pressure within a module 103a.
- the thermal energy store 103 or the entire combined cycle plant 1 and 1 ′′ can be used for:
- the last measures serve to ensure that the combined cycle plant 1, 1 ′′ and / or the gas turbine 100 can be started up more quickly. This is particularly useful and necessary in a flexible electricity market or power grid, in which a lot of renewable energy 33 is fed into the grid to a fluctuating extent.
- the thermal memory 103 is preferably used not only for frequency stabilization.
- thermal store 103 A major advantage of the thermal store 103 is that, according to FIGS. 2 to 10, it can also be subsequently integrated into an existing system.
- the main specialty of the thermal storage 103 is its controlled and selectable charging and discharging as well as the structural scalability according to the technical requirements of the energy generation system 1, 1 ′′.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020201068.4A DE102020201068A1 (de) | 2020-01-29 | 2020-01-29 | Anlage mit thermischem Energiespeicher, Verfahren zum Betreiben und Verfahren zur Modifikation |
| PCT/EP2020/087910 WO2021151604A1 (de) | 2020-01-29 | 2020-12-28 | Anlage mit thermischem energiespeicher, verfahren zum betreiben und verfahren zur modifikation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4069950A1 true EP4069950A1 (de) | 2022-10-12 |
Family
ID=74175857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20839105.2A Pending EP4069950A1 (de) | 2020-01-29 | 2020-12-28 | Anlage mit thermischem energiespeicher, verfahren zum betreiben und verfahren zur modifikation |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11852041B2 (de) |
| EP (1) | EP4069950A1 (de) |
| CN (1) | CN115023537A (de) |
| DE (1) | DE102020201068A1 (de) |
| WO (1) | WO2021151604A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12291982B2 (en) | 2020-11-30 | 2025-05-06 | Rondo Energy, Inc. | Thermal energy storage systems for use in material processing |
| US11913362B2 (en) | 2020-11-30 | 2024-02-27 | Rondo Energy, Inc. | Thermal energy storage system coupled with steam cracking system |
| US12018596B2 (en) | 2020-11-30 | 2024-06-25 | Rondo Energy, Inc. | Thermal energy storage system coupled with thermal power cycle systems |
| US11913361B2 (en) | 2020-11-30 | 2024-02-27 | Rondo Energy, Inc. | Energy storage system and alumina calcination applications |
| MA71196B1 (fr) | 2020-11-30 | 2025-04-30 | Rondo Energy, Inc. | Système et applications de stockage d'énergie |
| US11542863B1 (en) * | 2021-11-16 | 2023-01-03 | Siemens Energy, Inc. | Method and device to improve the performance of a power plant integrated with a thermal energy storage system |
| CN114837818A (zh) * | 2022-04-18 | 2022-08-02 | 中国联合重型燃气轮机技术有限公司 | 燃气轮机系统和发电系统 |
| EP4560116A1 (de) * | 2023-11-21 | 2025-05-28 | TotalEnergies OneTech | Anlage zur lieferung von stark entkohlter elektrizität und wärme |
| WO2025226989A2 (en) * | 2024-04-24 | 2025-10-30 | Rondo Energy, Inc. | Thermal energy storage system for simple and combined cycle power generation |
| WO2025245498A1 (en) | 2024-05-24 | 2025-11-27 | Rondo Energy, Inc. | Thermal energy storage system with high efficiency heater control |
| US12566034B1 (en) | 2024-07-02 | 2026-03-03 | Rondo Energy, Inc. | Thermal energy storage system coupled to a heat exchanger with thermal protection |
| US12607170B2 (en) | 2024-07-12 | 2026-04-21 | Rondo Energy, Inc. | Thermal energy storage system for use with a low temperature heat source and a thermal power cycle system |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9122965D0 (en) * | 1991-10-29 | 1991-12-18 | Rolls Royce Plc | Turbine engine control system |
| DE10260992A1 (de) | 2002-12-24 | 2004-07-08 | Riedel, Erik, Dr.-Ing. | GuD-Kraftwerk sowie Verfahren zum Betrieb von Kraftwerken dieser Art |
| DE10260993A1 (de) | 2002-12-24 | 2004-07-08 | Riedel, Erik, Dr.-Ing. | Verfahren zur Stromerzeugung sowie nach diesen Verfahren betriebene Kraftwerke |
| EP2101051A1 (de) | 2008-03-12 | 2009-09-16 | Siemens Aktiengesellschaft | Speicherung elektrischer Energie mit Wärmespeicher und Rückverstromung mittels eines thermodynamischen Kreisprozesses |
| US20100310356A1 (en) * | 2009-06-04 | 2010-12-09 | General Electric Company | Clutched steam turbine low pressure sections and methods therefore |
| CN103080503B (zh) | 2010-09-30 | 2016-06-08 | 三菱日立电力系统株式会社 | 太阳热利用联合循环发电站 |
| US8978386B2 (en) * | 2010-09-30 | 2015-03-17 | Mitsubishi Hitachi Power Systems, Ltd. | Gas turbine system, control device for gas turbine system, and control method for gas turbine system |
| CA2834938C (en) * | 2011-05-02 | 2019-06-25 | Hitesh BINDRA | Thermal energy storage for combined cycle power plants |
| US20130081395A1 (en) * | 2011-09-29 | 2013-04-04 | General Electric Company | System and method for generating electric power |
| US9677809B1 (en) * | 2011-10-10 | 2017-06-13 | Portland General Electric Company | Plural heat pump and thermal storage system for facilitating power shaping services on the electrical power grid at consumer premises |
| DE102012202575A1 (de) * | 2012-02-20 | 2013-08-22 | Siemens Aktiengesellschaft | Gaskraftwerk |
| US20150033760A1 (en) * | 2012-02-24 | 2015-02-05 | Mitsubishi Httachi Power Systems, Ltd. | Solar Assisted Gas Turbine System |
| US9803548B2 (en) | 2012-04-02 | 2017-10-31 | Powerphase Llc | Gas turbine efficiency and regulation speed improvements using supplementary air system continuous and storage systems and methods of using the same |
| US9890707B2 (en) * | 2012-04-02 | 2018-02-13 | Powerphase Llc | Gas turbine efficiency and regulation speed improvements using supplementary air system continuous and storage systems and methods of using the same |
| DE102013215083A1 (de) * | 2013-08-01 | 2015-02-05 | Siemens Aktiengesellschaft | Flexibilisiertes Gasturbinenkraftwerk |
| US9670843B2 (en) * | 2013-11-25 | 2017-06-06 | General Electric Company | System and method for heating a catalyst in an exhaust treatment system of a turbine engine |
| US10012113B2 (en) | 2014-03-18 | 2018-07-03 | Vassilios Vamvas | Combined cycle plant with thermal energy storage |
| ES2927226T3 (es) | 2014-06-04 | 2022-11-03 | Pintail Power Llc | Planta de energía híbrida solar gestionable |
| US20160047307A1 (en) * | 2014-08-15 | 2016-02-18 | General Electric Company | Power train architectures with low-loss lubricant bearings and low-density materials |
| PL3002423T3 (pl) | 2014-09-30 | 2022-09-26 | Siemens Gamesa Renewable Energy A/S | Elektrownia gazowo-parowa z jednostką do magazynowania ciepła i sposób wytwarzania energii elektrycznej z zastosowaniem elektrowni gazowo-parowej |
| DE102015219403A1 (de) * | 2015-10-07 | 2017-04-13 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines Gas-und-Dampf-Kombinationskraftwerks |
| US10233833B2 (en) | 2016-12-28 | 2019-03-19 | Malta Inc. | Pump control of closed cycle power generation system |
| CN110725725B (zh) * | 2019-10-29 | 2020-12-11 | 浙江大学 | 一种基于蓄热启动的燃气蒸汽联合循环系统及方法 |
-
2020
- 2020-01-29 DE DE102020201068.4A patent/DE102020201068A1/de not_active Withdrawn
- 2020-12-28 EP EP20839105.2A patent/EP4069950A1/de active Pending
- 2020-12-28 US US17/793,393 patent/US11852041B2/en active Active
- 2020-12-28 CN CN202080095242.7A patent/CN115023537A/zh active Pending
- 2020-12-28 WO PCT/EP2020/087910 patent/WO2021151604A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020201068A1 (de) | 2021-07-29 |
| US11852041B2 (en) | 2023-12-26 |
| WO2021151604A1 (de) | 2021-08-05 |
| CN115023537A (zh) | 2022-09-06 |
| US20230052951A1 (en) | 2023-02-16 |
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