EP2927436A1 - Procédé de fonctionnement d'une centrale avec assistance électrique et centrale correspondante - Google Patents

Procédé de fonctionnement d'une centrale avec assistance électrique et centrale correspondante Download PDF

Info

Publication number
EP2927436A1
EP2927436A1 EP15157768.1A EP15157768A EP2927436A1 EP 2927436 A1 EP2927436 A1 EP 2927436A1 EP 15157768 A EP15157768 A EP 15157768A EP 2927436 A1 EP2927436 A1 EP 2927436A1
Authority
EP
European Patent Office
Prior art keywords
steam
water
generator
supplied
reheater
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.)
Withdrawn
Application number
EP15157768.1A
Other languages
German (de)
English (en)
Inventor
Christian Bergins
Torsten Buddenberg
Jürgen KLEBES
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Europe GmbH
Original Assignee
Mitsubishi Hitachi Power Systems Europe GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Europe GmbH filed Critical Mitsubishi Hitachi Power Systems Europe GmbH
Publication of EP2927436A1 publication Critical patent/EP2927436A1/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants
    • F01K13/02Controlling, e.g. stopping or starting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/22Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/28Methods of steam generation characterised by form of heating method in boilers heated electrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22GSUPERHEATING OF STEAM
    • F22G1/00Steam superheating characterised by heating method
    • F22G1/16Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
    • F22G1/165Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil by electricity

Definitions

  • the invention is directed to a method for operating a power plant, in particular a large power plant, comprising a steam generator with a carbon-fired, in particular coal-fired, combustion chamber and a superheater and with an attached water / steam cycle with integrated turbo or turbine set, the at least one low-pressure turbine and a connected generator, wherein in the water / steam cycle in addition at least one electrically heated and in particular connected to the self-supply of the power plant steam generator is integrated, generated by means of the generator and / or derived from a connected public power grid electrical energy, in particular electric current, and to which water is supplied from the water side of the water / steam cycle feed water, and supplied from which the steam side of the water / steam cycle in the electric steam generator from the water supplied steam
  • the method is carried out in times of low load operation or minimum load operation of the power plant.
  • the invention is directed to a power plant, in particular large power plant, preferably for carrying out such a method, comprising a steam generator with a carbon-fired, in particular coal-fired, combustion chamber and a superheater and with an attached water / steam cycle with integrated turbo or turbine set, the at least one low-pressure turbine and a connected generator, wherein in the water / steam cycle additionally at least one electrically heated steam generator is integrated, which has an electrical line connection, by means of which he connected to the generator and / or a public power grid connected thereto and in particular the power supply of the power plant is connected and it electrical energy, in particular electric current, can be fed, and having a media-carrying line connection, by means of which he with the water side of the water / steam cycle is connected and it feed water of the water / steam cycle can be fed, and having a media-carrying steam line connection, by means of which it is connected to the steam side of the water / steam cycle and the water / steam cycle in the electric steam generator from the
  • Fossil-fired, especially coal-fired modern power plants usually have turbo or turbine sets whose steam turbines have a permanent minimum load capacity of about 25% +/- 5%. Should capacity increases of 20% be carried out by means of a roughing gas turbine as part of a retrofit, the average minimum load capacity would be reduced to approximately 21% +/- 4% of the extended power plant output.
  • the DE 10 2012 204 081 A1 discloses an energy storage power plant for providing electrical power to cover peak load power, wherein electrical energy is stored in two thermal reservoirs associated with the turbo-charged water / steam cycle, wherein at least one reservoir supplies water to the water / steam cycle and steam generated therein is supplied to the water / steam cycle.
  • the DE 10 2012 103 617 A1 discloses a fossil-fired power plant with a heat storage, which is exclusively thermally by means of a heat transfer medium with the water / steam cycle in combination.
  • the invention has for its object to provide a solution that makes it possible to generate a sufficient steam flow even under a minimum load operation or low load operation of a power plant, the continuous operation of the connected turbo or turbine set under the conditions of minimum load operation or low load operation of the power plant , in particular the low-pressure turbine, to carry out easily.
  • this object is achieved in that in the water / steam cycle of at least one additional steam generator is integrated and / or in the Steam side of the water / steam cycle in addition at least one electrically heated and in particular to the domestic power supply of the power plant connected steam superheater and / or additionally at least one electrically heated and in particular connected to the domestic power supply of the power plant steam reheater is / is integrated, the / generated by means of the generator and / or derived from the connected public power grid electrical energy, in particular electric power, and from the water / steam cycle steam is supplied and from which / which in the steam superheater and / or the steam reheater from the supplied steam generated superheated steam in the Steam side of the water / steam cycle is fed, wherein the at least one additional steam generator and / or the at least one additional steam superheater and / or the at least one additional steam reheater steam in a such quantity and with such a pressure and a temperature generated and the steam side of the water / steam cycle is fed, wherein the at least
  • the above object is achieved in a power plant of the type described in more detail by the fact that in the water / steam cycle of at least one additional steam generator is integrated and / or in the steam side of the water / steam cycle additionally at least one electrically heated steam superheater and / or in addition at least one electrically heated steam reheater line is / are integrated, each having an electrical line connection, by means of which he / she connected to the generator and / or the public power grid connected thereto and in particular connected to the domestic power supply of the power plant / are and he / she electrical energy, in particular electric power, can be supplied, and which / each of which via a media-carrying line connection from the water / steam cycle steam is supplied and from which / which in each case via a media-leading line connection in the steam Heater and / or the steam reheater from the supplied steam generated superheated Steam in the steam side of the water / steam cycle can be fed, wherein the at least one additional steam generator and / or the at least one additional steam generator
  • the invention is therefore based on the aspect in the water / steam cycle of the power plant additionally provide at least one electrically heated steam generator, which is operated with the power generated during the minimum load operation or low load operation of the power plant in the context of domestic power supply or operable and with the water supplied from the water / steam cycle of the power plant is evaporated or vaporizable, wherein the steam generated in the electrically heated steam generator is then fed to the steam side of the water / steam cycle of the power plant or can be fed.
  • the electrically heated steam generator is particularly designed or at least in cooperation with the still possible electrically heated superheaters and / or reheaters in the position of the steam side of the water / steam cycle of the power plant steam at such pressure, in such an amount and with To supply such a temperature that the turbo or turbine set, in particular its low-pressure turbine (s) and / or its medium-pressure turbine (s) can be operated permanently in a minimum load operation or low load operation of the power plant / can.
  • the invention is also characterized in that the method is carried out in times of low load operation or minimum load operation of the power plant.
  • the integration of an electrically heated additional steam superheater in the water / steam cycle of the power plant is further provided.
  • the steam superheater and / or the steam generator can also be provided also an electrically heated additional steam reheater.
  • the minimum required for trouble-free continuous operation of the turbo or turbine set steam mass flow in minimum load or low load operation of the power plant is provided according to the invention that with the at least one electrically heated additional steam generator and / or the at least one electrically heated additional steam superheater and / or the at least one electrically heated additional steam reheater steam is generated in such an amount and at such a pressure and temperature and the steam side of the water / steam cycle is supplied, so that Turbo or turbine set, in particular whose at least one low-pressure turbine, with his / her permissible for continuous operation minimum load and / or low load is operable.
  • the invention provides that the steam generated in the at least one additional steam generator and / or in the at least one additional steam superheater and / or in the at least one additional reheater steam in the flow direction of the steam in the water / steam cycle upstream of the turbo or turbine set is fed into the steam side of the water / steam cycle.
  • the power plant is characterized in a further development in that in the at least one additional steam generator and / or in the at least one additional steam superheater and / or in the at least one additional steam reheater generated steam in the flow direction of the steam in the water / steam cycle upstream of the turbo - Or turbine set in the steam side of the water / steam cycle can be fed.
  • the at least one low-pressure turbine of the turbo or turbine set can be operated with its permissible minimum load and / or low load for continuous operation with the steam generated, which the invention furthermore provides in a further development of the method and the power plant
  • the invention also provides.
  • the power plant is characterized analogously by the fact that in the steam superheater from the steam supplied superheated steam in the flow direction of the superheated steam upstream of a high-pressure turbine of the turbo or turbine set in the steam side of the water / steam cycle can be fed.
  • An expedient feed of steam produced is also achieved by generating medium-pressure steam in the at least one additional steam generator and / or the at least one additional intermediate steam superheater and a reheater steam line leading to a hot reheater steam Flow direction of the hot reheater steam is supplied downstream of a reheater of the steam generator and upstream of the junction of the hot superheater steam leading reheater line in at least one medium-pressure turbine of the turbo or turbine set.
  • the power plant is in accordance with further advantageously characterized in that in the at least one additional steam generator and / or the at least one additional steam reheater intermediate pressure steam generated and a hot reheater steam leading reheater line in the flow direction of the hot reheater steam downstream of a reheater of the steam generator and upstream of the junction of the hot Reheater steam leading reheater line in at least one medium-pressure turbine of the turbo or turbine set can be fed.
  • the inventive method is therefore further characterized in that in the water / steam cycle an electrically heated and in particular to the domestic power supply of the power plant connected steam storage is arranged, the generated by means of the generator and / or derived from a connected public power grid electrical energy , in particular electric current, and from the water side of the water / steam cycle feed water is supplied, which is evaporated in the steam accumulator and then the steam side of the water / steam cycle is supplied.
  • the power plant in an embodiment of the invention is characterized in that in the water / steam cycle an electrically heated and in particular to the domestic power supply of the power plant connected steam storage is arranged, which has an electrical line connection, by means of which he with the generator and / or connected to a public power grid connected to it and it electrical energy, in particular electric power, can be supplied, and the one having first media-carrying line connection to the steam side of the water / steam cycle and a second media-carrying line connection to the water side of the water / steam cycle.
  • the first line connection opens into a steam leading to the reheater of the steam generator reheater line and the second line connection leads to a feed water leading to the steam generator line, which also provides the invention in another embodiment of the power plant.
  • the invention further provides that in the water side of the water / steam cycle at least one electrically heated and in particular connected to the domestic power supply of the power plant water heater is involved, the means the generator generated and / or derived from a public power grid connected thereto electrical energy, in particular electric power, and is supplied from the water side of the water / steam cycle feed water heated in the water heater and then into the water side of the water / steam cycle is fed.
  • the power plant is characterized by the fact that in the water side of the water / steam cycle at least one electrically heated and in particular connected to the power supply of the power plant water heater is incorporated circuit-wise, having an electrical line connection, by which he with the generator and / or connected to a public power grid connected to it and it electrical energy, in particular electric power, can be fed, and which is fed via a media-leading line connection from the water side of the water / steam cycle feed water, and from which via a media-leading line connection in the water heater from the supplied heated water fed feed water can be fed into the water side of the water / steam cycle.
  • the air side of the burners of the combustion chamber of the steam generator of the power plant fed media can be supplied with additional heat energy to minimize fuel consumption.
  • the invention is therefore further distinguished by the fact that at least one electrically heated and in particular connected to the power supply of the power plant gas preheater is integrated into the burners of the combustion chamber combustion oxygen, in particular combustion air, and / or recirculated flue gas lines, by means of the generator and / or or a public power grid connected thereto electrical energy, in particular electric power, is supplied and by means of which the combustion oxygen and / or the recirculated flue gas is preheated before entering a burner of the combustion chamber.
  • the power plant is characterized in that the burners of the combustion chamber combustion oxygen, in particular combustion air, and / or recirculated flue gas supplying media-carrying lines with one or more electrically heated and in particular connected to the power supply of the power plant gas preheaters are in media-leading line connection, the combustion oxygen and / or preheat the recirculated flue gas before entering a burner of the combustion chamber, wherein the one or more gas preheater connected by means of an electrical line connection to the generator and / or a public power grid connected thereto and in particular connected to the power supply of the power plant is / are and him / they electrical energy, in particular electrical power, can be fed.
  • the invention is characterized in a further embodiment of the power plant characterized in that the burners of the combustion chamber plasma igniter or have a resistance to air heating or are designed as plasma torches, the burner by means of an electrical line connection to the generator (11) and / or an attached public Power supply (12) connected and in particular connected to the domestic power supply of the power plant and they electrical energy, in particular electrical power, can be supplied.
  • the plasma ignition burners support the operation and in particular the flame pattern of the burners of the combustion chamber of the steam generator in order to keep the flame (s) stable even with minimized or minimal fuel supply.
  • the fuel can also be completely replaced by heat energy provided by or obtained from electrical energy. This possibility is particularly interesting when electric power in the future, at least temporarily a price compared to gas or coal fuel can be very favorable. In total, more energy can also be absorbed via the domestic power transformer, which is usually provided as part of the self-supply, than is supplied to the power grid by the generator synchronized with the power grid.
  • the single figure shows a schematic representation of a total designated 1, inventive power plant, which is suitable for carrying out the method according to the invention.
  • Core of the power plant 1 is a steam generator 2, which has a combustion chamber 3 fired with coal or lignite.
  • a superheater 4 and a reheater 5 are arranged and formed in the steam generator 2.
  • the superheater 4 and the reheater 5 are part of the connected to the steam generator 2 water / steam cycle 6 of the power plant 1.
  • a turbo or turbine set 7 is integrated in a conventional manner, the high-pressure turbine 8, a medium-pressure turbine 9 and two low-pressure turbines 10 includes.
  • a generator 11 is connected in a conventional manner, with the power is generated or can be generated, which is fed into the connected public power grid 12, but can also be used for internal power supply kaftwerksintern.
  • the steam side of the water / steam circuit 6 has a superheater line 13 leading from the superheater 4 of the steam generator 2 to the high-pressure turbine 8 of the turbo or turbine set 7 as a media-carrying line connection.
  • the steam generator 2 in the usual way one of the high-pressure turbine 8 back to the reheater 5 of the steam generator 2 and from there to the intermediate pressure turbine 9 of the turbo or turbine set 7 leading reheater line 14, the leading to the reheater 5 part with 14a and its from the reheater 5 on to the middle-pressure turbine 9 leading part with 14b is designated.
  • 14a, 14b is a media-leading line connection.
  • Burner side are the burner 19 with a fuel supply 20 and a combustion air supply 21 in media-leading line connection.
  • the flue gas On the flue gas side, the flue gas is fed to a cooling tower 26 via a flue gas duct 22 in which a denitrification device 23, an electrostatic precipitator 24 and a desulfurization system 25 are arranged.
  • the cooling water circuit 27 of the cooling tower 26 is connected to the condenser 25 in circuit connection.
  • an additional electrically heated steam generator 28 is integrated, which is connected via an electrical line connection 29 to the generator 11 and / or the public power grid 12 connected thereto. Via the line connection 29 to the steam generator 28 electrical power can be supplied.
  • the steam generator 28 is connected to the water side of the water / steam circuit 6 and here the feedwater tank 17 via a media-carrying line connection 30 shown in dashed lines and can be supplied with water, here feed water.
  • the steam generator 28 On the steam side, the steam generator 28 has a media-carrying steam line connection 31, by means of which it is connected to the steam side of the water / steam circuit 6 and the water / steam circuit 6 in the electric steam generator 28 from the supplied via the media-carrying line connection 30 water produced Steam is supplied.
  • the media-carrying steam line connection 31 opens in the flow direction of the steam upstream of the medium-pressure turbine 9 in the part 14 b of the reheater line 14 a.
  • At least one additional electrically heated steam superheater 32 which is symbolized by an arrowhead, is integrated into the steam side of the water / steam circuit 6.
  • the electrically heated steam superheater 32 has an electrical line connection, by means of which it is connected to the generator 11 and / or the public power grid 12 connected thereto and it can be supplied with electric current.
  • the electrically heated steam superheater 32 is so integrated into the superheater line 13 that it can be fed via the media-leading line connection steam from the water / steam cycle 6 and superheated steam generated by the steam superheater 32 in the steam superheater 32 by means of a media-leading line connection in the steam superheater 32 from the steam superheater the steam side of the water / steam circuit can be fed.
  • the electrically heated steam superheater 32 in the flow direction of the superheated steam upstream of the turbo or turbine set 7 and here in particular the high-pressure turbine 8 is arranged.
  • This steam reheater 33 is in a manner not shown in electrical line connection with the generator 11 and / or the public power grid 12 so that it can be supplied with electrical power.
  • medium-pressure steam can be generated and fed to the intermediate-pressure turbine 9 of the turbo or turbine set 7 via the reheater line 14, in the part 14b of which the steam superheater 33 is connected in a steam-conducting manner.
  • the steam reheater 33 is here in the flow direction of the hot reheater steam downstream of the reheater or the reheater 5 of the steam generator 2 and upstream of the junction of the hot reheater steam leading reheater line 14 arranged in the turbo or turbine set 7.
  • At least one electrically heated steam generator 28 and / or the at least one electrically heated steam superheater 32 and / or the at least one electrically heated steam reheater 33 each alone, but preferably in their combination total, steam in such an amount and with such pressure and Such a temperature can be generated and supplied to the water / steam cycle, so that the turbo or turbine set 7, in particular its low-pressure turbine 10, with a minimum necessary steam mass flow in a permissible continuous operation with a minimum load and / or low load, especially in a Minimal load operation or low load operation of the power plant 1, is operable.
  • electrically heated water heater are incorporated line. These are also connected in a manner not shown via an electrical line connection to the generator 11 and / or the connected public power grid 12 so that they electrical power can be supplied.
  • the electrically heated water preheater 34 are so involved in the water supply side of the water / steam cycle 6 in the wiring that each of them via a media-leading line connection water, especially feed water, can be fed and from them or from them via a media-carrying line connection in the respective Water heater produced from the water supplied heated water, in particular heated feed water, in the water side of the water / steam cycle 6 can be fed.
  • an electrically heated steam accumulator 35 is integrated in the water / steam cycle 6. This is also connected via an unspecified electrical line connection to the generator 11 or the public power grid 12 in live wiring.
  • the steam accumulator 35 has a media-carrying line connection 36 Steam side of the water / steam circuit 6, which opens into the recirculating to the reheater 5 of the steam generator 2 line part 14 a of the reheater line 14. Via this line connection 36 steam stored in the steam accumulator 35 can be supplied to the water / steam circuit 6 (again). However, it may also be possible to derive steam for storage in the steam reservoir 35 via this line connection 36 from the water / steam circuit 6. In principle, however, the steam accumulator 35 is designed to feed steam into the water / steam circuit 6.
  • the electrically heated steam accumulator 35 for example, generate steam of 110 bar with a mass flow of 50 kg / s within 5 minutes with a mass of 20 m 3 / s, said steam generated then for filling the steam side of the water / steam Circuit 6 in low load operation or minimum load operation of the power plant 1 or for the withdrawal at a necessary rapid primary control of ⁇ 5% per minute use.
  • the steam accumulator 35 has a second media-carrying line connection 37 to a feed water to the steam generator 2 leading line 8 on the water side of the water / steam cycle 6.
  • electrically heated gas preheater arranged or stand with these in media-leading line connection.
EP15157768.1A 2014-04-04 2015-03-05 Procédé de fonctionnement d'une centrale avec assistance électrique et centrale correspondante Withdrawn EP2927436A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014104806.7A DE102014104806B4 (de) 2014-04-04 2014-04-04 Verfahren zum Betrieb eines Kraftwerks mit elektrischer Unterstützung sowie diesbezügliches Kraftwerk

Publications (1)

Publication Number Publication Date
EP2927436A1 true EP2927436A1 (fr) 2015-10-07

Family

ID=53008255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15157768.1A Withdrawn EP2927436A1 (fr) 2014-04-04 2015-03-05 Procédé de fonctionnement d'une centrale avec assistance électrique et centrale correspondante

Country Status (2)

Country Link
EP (1) EP2927436A1 (fr)
DE (1) DE102014104806B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3511534A1 (fr) * 2018-01-15 2019-07-17 Deutsches Zentrum für Luft- und Raumfahrt e.V. Centrale thermique et procédé de fonctionnement d'une centrale thermique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080134681A1 (en) 2005-01-10 2008-06-12 New World Generation Inc. Power Plant Having A Heat Storage Medium And A Method Of Operation Thereof
EP1992794A1 (fr) * 2007-03-06 2008-11-19 Siemens Aktiengesellschaft Installation de cycle combiné et procédé destiné au démarrage d'une installation de cycle combiné
US20090056341A1 (en) * 2007-08-29 2009-03-05 Nestor Hernandez Sanchez Method and apparatus for facilitating cooling of a steam turbine component
DE102012204081A1 (de) 2012-03-15 2013-09-19 Siemens Aktiengesellschaft Energiespeicherkraftwerk
DE102012103617A1 (de) 2012-04-25 2013-10-31 Hitachi Power Europe Gmbh Fossilbefeuertes Kraftwerk mit Wärmespeicher

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080134681A1 (en) 2005-01-10 2008-06-12 New World Generation Inc. Power Plant Having A Heat Storage Medium And A Method Of Operation Thereof
EP1992794A1 (fr) * 2007-03-06 2008-11-19 Siemens Aktiengesellschaft Installation de cycle combiné et procédé destiné au démarrage d'une installation de cycle combiné
US20090056341A1 (en) * 2007-08-29 2009-03-05 Nestor Hernandez Sanchez Method and apparatus for facilitating cooling of a steam turbine component
DE102012204081A1 (de) 2012-03-15 2013-09-19 Siemens Aktiengesellschaft Energiespeicherkraftwerk
DE102012103617A1 (de) 2012-04-25 2013-10-31 Hitachi Power Europe Gmbh Fossilbefeuertes Kraftwerk mit Wärmespeicher

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3511534A1 (fr) * 2018-01-15 2019-07-17 Deutsches Zentrum für Luft- und Raumfahrt e.V. Centrale thermique et procédé de fonctionnement d'une centrale thermique

Also Published As

Publication number Publication date
DE102014104806B4 (de) 2016-11-10
DE102014104806A1 (de) 2015-10-08

Similar Documents

Publication Publication Date Title
EP2812542B1 (fr) Centrale d'accumulation d'énergie et procédé de fonctionnement d'une telle centrale
DE69927925T2 (de) Abhitzewiedergewinnung in einem organischen Energiewandler mittels einem Zwischenflüssigkeitskreislauf
DE60033738T2 (de) Vorrichtung zur Befeuchtung und Heizung von Brenngas
WO2010106089A2 (fr) Dispositif et procédé de production de vapeur avec un rendement élevé
DE112016003348B4 (de) Wasserversorgungssystem, wasserversorgungsverfahren, und dampf erzeugende anlage, die mit wasserversorgungssystem bereitgestellt wird
WO2008067855A2 (fr) Procédé et dispositif d'augmentation de la puissance et du rendement d'un processus de centrale orc
DE2227435B2 (de) Verfahren zum kontinuierlichen Verdampfen eines flüssigen kyrogenen Mediums
DE102011000300B4 (de) System zum Anfahren eines Kombikraftwerks
DE102013210430B4 (de) Energiespeichervorrichtung zur Vorwärmung von Speisewasser
EP2657466B1 (fr) Centrale alimentée par une énergie fossile avec accumulateur de chaleur
DE102009044088A1 (de) Spitzenlastmanagement durch Kombinationszyklus-Energieaufstockung unter Nutzung von Spitzenzyklus-Abgaswärmerückgewinnung
DE102012102368A1 (de) Kombikraftwerk
DE102019216242A1 (de) Dampfturbinenanlage sowie Verfahren zum Betreiben einer solchen Dampfturbinenanlage
EP3469190B1 (fr) Centrale électrique à réservoir thermique
DE102014104806B4 (de) Verfahren zum Betrieb eines Kraftwerks mit elektrischer Unterstützung sowie diesbezügliches Kraftwerk
DE102012110579B4 (de) Anlage und Verfahren zur Erzeugung von Prozessdampf
EP2480763B1 (fr) Centrale à vapeur
DE102004048932A1 (de) Kraftwerk mit erhöhter Wirtschaftlichkeit und Verfahren zur Erhöhung der Wirtschaftlichkeit eines Kraftwerkes
DE2512774C2 (de) Kombinierte Gas-Dampfturbinenanlage
EP3533976B1 (fr) Installation à turbine à condensation à soutirage et processus orc
EP2738458B2 (fr) Centrale électrique et procédé de génération de courant électrique
EP2385223A1 (fr) Procédé d'augmentation du degré d'efficacité d'installations de turbines à gaz et à vapeur
EP3365534B1 (fr) Procédé de préchauffage d'eau d'alimentation d'une chaudière à vapeur d'une centrale électrique et centrale à vapeur pour la mise en oeuvre du procédé
EP2868873A1 (fr) Centrale thermique avec utilisation de la chaleur rejetée d'un générateur
DE2551430A1 (de) Verfahren und vorrichtung zum anheben der dampftemperatur im ueberhitzer eines kraftwerks

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20160406

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

17Q First examination report despatched

Effective date: 20170420

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20180412

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180823