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WO2016131920A1 - Centrale à vapeur et procédé pour son fonctionnement - Google Patents

Centrale à vapeur et procédé pour son fonctionnement Download PDF

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Publication number
WO2016131920A1
WO2016131920A1 PCT/EP2016/053457 EP2016053457W WO2016131920A1 WO 2016131920 A1 WO2016131920 A1 WO 2016131920A1 EP 2016053457 W EP2016053457 W EP 2016053457W WO 2016131920 A1 WO2016131920 A1 WO 2016131920A1
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WO
WIPO (PCT)
Prior art keywords
steam
air
power plant
water
storage
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.)
Ceased
Application number
PCT/EP2016/053457
Other languages
German (de)
English (en)
Inventor
Christian Bergins
Torsten Buddenberg
Brian Stöver
Sven HÄRTEL
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 WO2016131920A1 publication Critical patent/WO2016131920A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • 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
    • F01K13/00—General layout or general methods of operation of complete plants
    • 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
    • F01K23/08—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 working 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
    • F01K23/02—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

Definitions

  • the invention is directed to a steam power plant comprising a fired steam generator with connected water / steam circuit having a turbo set with at least one low-pressure steam turbine and at least one high-pressure steam turbine and a feedwater preheating comprising a feedwater tank with degasser, and comprising a thermally in the water / steam circuit integrated liquid air storage power plant apparatus, an air liquefaction device "has a liquid air storage device and an energy harvesting device, or compressed air energy storage device having an air compressing device, a compressed air storage device and an energy recovery apparatus, wherein the energy recovery device comprises at least one of from the liquid air storage power station apparatus or
  • Compressed air storage power plant device has air-fed expansion turbine with attached generator
  • LAES Liquid Air Energy Storage
  • the liquid air is pumped to a higher pressure level and then vaporized.
  • the pressurized gaseous air is heated up and drives highly efficient turbomachinery for power generation, and LAES can be up to
  • a particular advantage over other methods is that LAES has no special geological requirements for the site, which avoids complicated and lengthy approval procedures, and the possibility of relatively short construction and lead times a quick implementation opened.
  • the necessary components are well developed Unitary processes that have been used in the process and power industry for decades. To adapt them to a LAES system, only minor changes are necessary.
  • the plant When integrated into an existing power plant or industrial site, the required grid and gas infrastructure would already be available.
  • the plant can also be operated as a back-up gas power plant without energy storage and with an efficiency of more than 40%.
  • the calculated storage efficiency is, depending on some process parameters, at values of over 70% and thus in the vicinity of the efficiencies for pumped storage power plants.
  • the storage efficiency of the process can be further increased if industrial waste heat (from surrounding power plants) and / or industrial refrigeration (eg LNG terminal) is available.
  • a steam power plant of the type described in more detail is known from US 4,347,706.
  • This document discloses a steam power plant with a connected conventional water / steam cycle, in which a turbo set comprising several turbines is arranged, by means of which a generator is driven to generate electricity. It is also known from this document to compress air and store it in a suitable store.
  • CAES Compressed Air Energy Storage
  • the compressors required for air compression are driven by the turboset while the heat produced during the compression is transferred into the steam / steam cycle of the steam power plant.
  • energy generated in the compressed air is thus stored by the steam power plant having a coal-fired steam generator.
  • the compressed air present in the air reservoir is expanded by expansion turbines, namely a high pressure air turbine and a low pressure air turbine, the shaft of which also drives a generator to generate power.
  • expansion turbines namely a high pressure air turbine and a low pressure air turbine
  • this is supplied from the water / steam cycle of the steam power plant heat energy.
  • This CAES and LAES technique can be used to make steam power plants, in particular large power plants, more flexible by storing electrical or mechanical energy in compressed or liquid air generated by the water / steam cycle of the steam power plant during periods of low power take-off in the context of an air energy injection cycle becomes. In times of increased grid-side power demand, the energy stored in this way can then be made available to the network as part of an air energy storage cycle.
  • the invention is therefore based on the object to provide a solution that allows an improved integration of a pressure and / or liquid air energy storage in a steam power plant.
  • the steam power plant is operable at minimum load operation in a Lucaserergieein arrivedungszyklus or Heilerergieein appointedungsmodus in which the air compressor or the air liquefaction device in water / feedwater / condensate ' leading line connection with the water / steam
  • the steam power plant is operable at full load operation in an air energy recovery storage or air energy storage mode in which the energy recovery device converts into air heating energy from there injecting line communication with the feedwater preheat and / or turbo set and / or the hot and / or the cold reheat and / or live steam of the water / steam cycle of the Steam power plant as well as in water / feed water / condensate recirculating line connection with the water / steam cycle is.
  • this object is achieved in that it is operable at minimum load operation in a Lucaserergieein absolutelyungszyklus or Heilerergieein immediatelyungsmodus, during which the Heilkomprimiervorplatz or the air liquefaction device in water / feedwater / condensate leading line connection with the water / steam cycle and wherein the steam heat plant is operable at full load operation in an air energy recovery cycle or air energy storage mode, during which air heating energy required in the energy recovery device results from the feedwater preheat and / or the turbo set and / or from the hot and / or cold reheat and / or it is decoupled as live steam of the water / steam cycle of the steam power plant and coupled into the energy recovery device, the energy recovery device in water / feedwater / condensate is recirculating line connection with the water / steam cycle.
  • the invention provides a particularly advantageous and energy-efficient integration of compressed air and / or liquid-air energy storage into one
  • the load is lowered to, for example, 13% partial load.
  • the feedwater preheating comprises a low-pressure feed water preheating and the compression heat auskoppelnde line connection to the region of the low-pressure feedwater preheating exists. It is also advantageous if the compression heat decoupling line connection comprises at least one heat exchanger, which causes the compression heat extraction.
  • the feedwater preheating comprises a high-pressure feedwater preheating and the air-heating energy injecting line connection to the region of the high-pressure feedwater preheating and / or the low-pressure feedwater preheating exists.
  • the air heating energy coupling-in line connection comprises at least one heat exchanger, which causes the Beerer stiirmungsenergie- coupling.
  • the invention further provides that the energy recovery device in a fed in the Lucaser stiirmungsenergieeinkopplung from the water / steam cycle resulting condensate in the flow direction of the feedwater in the water / steam cycle before a high-pressure feedwater in the feedwater, in particular in the field of Nttigspeisewasservorierrmung, recirculating line connection with the water / steam cycle is.
  • Another advantage is a power plant with the liquid-air storage power plant, which includes the air liquefaction device, which is preferably activated in the minimum load operation of the steam power plant and the resulting in the air liquefaction heat in the preheating or the feedwater preheating the water / steam cycle of the steam power plant, preferably in the low-pressure preheating or a low-pressure feedwater preheating, wherein the injection of bleed steam from the turbo-set of the water / steam cycle into the feedwater pre-heating is correspondingly reduced, and the power consumption of the air liquefaction minimizes the load of the steam power plant below the design value lowers, wherein the liquid storage power plant device further comprises the liquid air storage device and the energy recovery device, by means of which at high load demand of the power plant in a storage tank of the liquid storage device stored liquid air evaporated and preheated or fully heated by steam or steam from the steam / live steam originating steam or fully heated and then in a Air expander or one or more expansion turbines with connected and additional power
  • the efficiency of power generation of this power plant can be increased.
  • the maximum power output of the power plant can be increased by relaxing the compressed air or liquid air stored in the compressed air storage power plant device, thereby driving a generator to generate energy while generating additional power.
  • the steam power plant has an additional heat source, preferably a ballast gas turbine, which heats the air supplied to the expansion turbine or fans or the air expander.
  • the invention provides in a further embodiment, that the compressed air storage device or liquid storage device comprises a liquid air or compressed air storage that stores required compressed or liquid air for a Aussticherzeit from 2h to 12h, preferably 3h to 6h.
  • the compressed air storage device and the air compression device and / or air liquefaction device are dimensioned with regard to their air storage capacity and air compression capacity or air liquefaction capacity such that air storage times of 4h to 48h, preferably 6h to 38h, are feasible.
  • the method according to the invention is characterized in that the resulting heat of compression is coupled into the region of the low-pressure feedwater preheating of the feedwater preheating of the water / steam cycle of the steam power plant. Furthermore, the invention provides that the required air heating energy, preferably in the form of steam, from the range of high-pressure feedwater pre-heating and / or the range of low-pressure feedwater preheating the feedwater preheating of the water / steam cycle and / or from live steam and / or steam of the hot and / or cold reheat is disconnected.
  • the energy from the stored compressed air or liquid air can be done in several steps, which is why the invention is characterized in a further characterized in that the supplied during an Heilenergieaus arrivedungszyklus or Heilenergieaus appointedungsmodus in the energy recovery device from a compressed air storage or liquid storage air to be heated in several steps by means of the water / Steam cycle of the steam power plant tapped low pressure steam and / or high pressure steam gradually, is heated.
  • the air can be heated to a temperature of up to 600 ° C, so that a further advantageous embodiment of the invention is that the during a Beererergieaussusstungszykius or Heilerergieaus Eat mode of a the compressed air or liquid air storage, heated air to be heated in the energy recovery device in particular by means of a plurality of heat exchangers to temperatures between 200 and 800 ° C, preferably between 250 and 550 ° C, heated.
  • the invention provides in an embodiment that during a Heilerergieaus arrivedungszyklus or Heileergieaus- storage mode of the energy recovery device of the at least one expansion turbine or the expander from / the compressed air or liquid air reservoir supplied air at a pressure between 10 and 100 bar, preferably between 30 and 70 bar, is supplied.
  • Liquid air storage power plant or the compressed air storage power plant and the water / steam cycle of the power plant according to another embodiment of the invention is that during a Heilerergieaus startedungszyklus or Heilerergieaus arrivedungsmodus in the energy recovery device in the Beerer stiirs, especially in heat exchangers, resulting from steam fed condensate in the feed water flow direction in front of a high-pressure feedwater pump is fed back into the feedwater pre-heating, in particular into the area of the low-pressure feedwater pre-heating, of the water / steam cycle.
  • Fig. 1 shows schematically an embodiment of an inventive
  • FIG. 2 is a schematic representation of an achievable with the power plant of FIG. 1
  • Lufterergieein arrivedungs Kunststoff
  • FIG. 3 is a schematic representation of a realizable with the power plant of Fig. 1 Heilenergyaus arrivedungsSullivan and in Fig. 4 shows a with a second embodiment of an inventive
  • Fig. 1 shows a total of 1 designated steam power plant, which is, for example, a coal-fired power plant comprising a coal fired 2 steam generator 3 with connected water / steam cycle.
  • a high-pressure turbine 4 a medium-pressure turbine 5 and a low-pressure turbine 6 are integrated, which are acted upon by the steam generated by the steam generator 3 and drive a generator 7 to generate electricity, in a conventional manner
  • Steam from the low-pressure turbine 8 a low-pressure feed water preheating 8 fed, which is part of the feedwater 10 of the water / steam cycle of the steam power plant 1 together with a feedwater tank with degasser 9.
  • Part of the feedwater preheating 10 is also a high-pressure feedwater heating 1 1, wherein between the feedwater tank with degasser 3 and the high-pressure feedwater preheating 11, a high-pressure pump 12 is arranged.
  • the steam power plant 1 comprises a total of 13 designated liquid air storage power plant device or compressed air storage power device 13 or compressed air and / or liquid air energy storage device, which is shown as a dashed rectangle.
  • this liquid-air or compressed-air storage power plant device 13 comprises an air-compression device or air-liquefying device 14, which comprises two air compressors 15a, 15b, each with a downstream heat exchanger 16a, 16b. Basically, it is a multi-stage intercooled air compression and air liquefaction, which may include more than the illustrated two stages (15a, 15b).
  • the liquid-air or compressed-air storage power device 13 comprises a liquid-air storage device 27, which comprises a liquid-air storage tank 17 and a cold storage 18.
  • the liquid air or compressed air storage power plant device 13 also has a Energy itungsvor- direction 13, the two in the air energy reuse storage cycle or
  • Each associated with an air compressor 15 heat exchangers 16a, 16b are each in a line connection 23a, 23c, 23d or 23b, 23c, 23d to the water / steam cycle of the steam power plant 1, so that they have these lines each water or feed water or condensate from the Water / steam cycle can be fed.
  • the heat of compression arising in the compression of the air in the air liquefaction device 14 is coupled in the heat exchangers 18a, 16b into the water supplied via the lines or the line connection 23a, 23c, 23d or 23b, 23c, 23d, which is then heated and via a line connection 24 is returned to the water / steam cycle.
  • the heat of compression is thus decoupled there.
  • the return of the heat exchangers 16a, 16b supplied water in the water / steam cycle takes place in the embodiment between the low-pressure feedwater pre-heating 8 and the feedwater tank with degasser 9. It is also the return in the flow direction of the water / steam cycle behind the feedwater tank with degasser 9, but before the high-pressure pump 12, possible, which is shown by the dashed line 24a.
  • the heat exchangers 22a, 22b of the energy harvesting device 13 are in line communication with the high-pressure feedwater preheating 11 of the feedwater preheating 10, from which the heat exchangers 22a, 22b can be fed by means of a line connection 25 (bleed) steam during the Beereergieaus- storage cycle or Heilsergieaus arrivedungsmodus the steam power plant 1.
  • a line connection 25 bleed
  • the heat exchangers 22a, 22b are supplied with air heating energy, which is decoupled from the water / steam circuit and coupled into the heat exchangers 22a, 22b in the cold air flow supplied to the expansion turbines 20a, 20b, which is supplied from the liquid air storage tank 17.
  • the in the heat exchangers 22a, 22b cooled or condensed vapor is then recycled as condensate into the water / steam cycle by means of a respective line connection 26a, 26c, 26d or 26b, 26c, 26d.
  • a respective line connection 26a, 26c, 26d or 26b, 26c, 26d is then recycled as condensate into the water / steam cycle by means of a respective line connection 26a, 26c, 26d or 26b, 26c, 26d.
  • the confluence takes place in the flow direction of the water / steam cycle before the low-pressure feedwater preheating 8.
  • Fig. 2 shows the interaction between the water / steam cycle of the steam power plant 1 1 and the liquid air or compressed air storage power device 13 when performing a Heilerergieein Grandekius or Heilerergieein Grandeungsmodus, in which power generated by the generator 7 in the power plant 1 is used » to compress air supplied by the air compressor 15a, 15b to liquefaction.
  • this air-energy storage cycle or air-energy storage mode the steam supply from the low-pressure turbine 6 to the low-pressure feedwater preheating 8 is suppressed and / or bypassed.
  • the cooler medium (water / feedwater / condensate) leaving the respective heat exchanger 22a, 22b is then moved into the water by means of the respective line connection 26a, 26c, 26d or 28b, 26c, 26d upstream of the low-pressure feedwater heating 8 in the direction of flow of the water / steam cycle. Steam cycle recycled.
  • the low pressure feed water heating 8 is supplied with bleed steam from the low pressure turbine 6 in a conventional manner.
  • the maximum load of the steam power plant can be increased by at least 10%.
  • a modified embodiment of the process control in an air energy storage cycle or air energy storage mode shown in FIG. 4. differs from that of FIG. 3 only in that only one expansion turbine 20 with upstream heat exchanger 22 is present.
  • the maximum power of the steam power plant 1 can also be increased by at least 10%.
  • the air supplied from the storage tank and liquid air or compressed air reservoir 17 is heated to temperatures between 200 and 600 ° C, preferably between 250 and 550 ° C.
  • the size of the Fiüssig Kunststoff- or compressed air storage 17 and the performance (ability) of the air compressor and / or air liquefaction device 14 are for a storage time of 4 hours to 48 hours, preferably from 6 hours to 36 hours, dimensioned / designed to the operation of the steam power plant. 1 both during the low load period, usually on a weekend, as well as in the daily storage mode to enable at night.
  • the liquid air or compressed air reservoir 1 is also dimensioned such that liquid air is to be stored in it in an amount which, for a Aus headingzeit, ie a Period of Guterergieaus arrivedungszyklus or Heilerergieaubeg- tioning mode of 2 to 12 hours, preferably 3 to 6 hours, is sufficient.
  • the cold storage 18 comprises a cold storage in the form of liquids or solids, by means of which in a cold storage device 18a from the air liquefaction device 14 supplied air can be additionally cooled. Furthermore, the cold storage device 18 comprises a cold storage unit 18b, by means of which during the evaporation / heating of the air supplied from the liquid air storage 17 accumulating cold is ein arrivedbar.
  • LAES Liquid Air Energy Storage
  • Steam power plant 1 offers the possibility to provide storage capacity and at the same time to achieve a more flexible operation of the steam power plant. By reducing the possible yinimallast and increasing the maximum load of the composite system of steam power plant and liquid air energy storage can be better respond to fluctuations in the power grid.
  • the steam power plant 1 is operated in yinimallast.
  • the power output of the compound system is now lowered by having the LAES system in injection mode (air energy injection cycle or air energy injection mode).
  • the concept for the integration of an LAES system in a steam power plant 1 and for the integration of the Ein Grandefracs in the water / steam cycle of the steam power plant 1 is shown in Figs. 1 and 2.
  • the air compression required for liquefying the air consumes electrical energy that can be subtracted from the power generation of the steam power plant 1 in an energy balance of the composite system.
  • the resulting in the intercooling of the air compression in the heat exchangers 16a, 16b of the air liquefaction device 14 heat, which is present at a temperature level of up to about 130 ° C by recycling the cooling medium by means of the line connection 24 completely in the water / steam cycle of the steam power plant 1 returned and integrated.
  • the steam power plant i is operated at 100% load (full load).
  • the LAES system is in the discharge mode (air energy storage cycle or air energy storage mode). Exemplary embodiments of the combination of the two processes are shown schematically in FIGS. 1 and 3 and 4. For heating the high-pressure air taken from the liquid air reservoir 17 and evaporated in the cold storage unit 18b prior to expansion in the expansion turbine 20b or the expansion turbines 20a, 20b (in a multi-stage expansion), heat is expelled Water / steam cycle of the steam power plant 1 taken.
  • the air is first preheated by means of steam from the taps of the low-pressure steam turbine 6 at a low temperature level and then with steam from taps of the medium and / or high-pressure steam turbine 5, 4, by live steam or steam of the hot or cold reheat up on high temperatures is heated.
  • the heat extracted from the water / steam cycle helps to convert the energy of the high pressure air taken from the liquid air reservoir 17 into mechanical or electrical power, so that the net power production can be increased disproportionately.
  • the steam output of the steam generator 3 can be increased without the maximum permissible upper operating limit of the steam turbine 4, 5, 6 and the generator. 7 is exceeded.
  • the conversion efficiency of additionally used fuel 2 (to increase steam power) to electrical energy generated by the LAES system is between 65 and 100%.
  • the maximum load of the composite system can be! be increased to about 1 17% of the rated power of the steam power process.
  • the net efficiency of the composite system can be increased to, for example, about 50%. This represents a considerable improvement in efficiency compared with a standard value of 46% for modern coal-fired power plants.
  • the thermal engineering Verschaitung can equally with a compressed air storage, ie a CAES (Compressed Air Energy Storage) system, realize with the same advantages.
  • a CAES Compressed Air Energy Storage
  • the liquid air reservoir is designed as a compressed air reservoir.

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  • 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

L'invention concerne une centrale à vapeur (1) comprenant un générateur de vapeur (3) alimenté auquel est raccordé un circuit d'eau/de vapeur et qui comprend un turbogénérateur pourvu d'au moins une turbine à vapeur à basse pression (6) et d'au moins une turbine à vapeur à haute pression (4) ainsi qu'un préchauffeur d'eau d'alimentation (10), qui comporte un contenant d'eau d'alimentation pourvu d'un dégazeur (3), et comprenant un dispositif à centrale d'accumulation d'air liquide ou un dispositif à centrale d'accumulation d'air comprimé (13) intégré du point de vue thermique dans le circuit d'eau/de vapeur, lequel dispositif comporte un dispositif de compression d'air et/ou un dispositif de liquéfaction d'air (14), un dispositif d'accumulation d'air comprimé et/ou un dispositif d'accumulation d'air liquide (27) et un dispositif de production d'énergie (19), qui présente au moins une turbine de détente (20a, 20b) alimentée en air à partir du dispositif à centrale d'accumulation d'air liquide ou du dispositif à centrale d'accumulation d'air comprimé (13) et à laquelle est raccordé un générateur (21). L'invention vise à apporter une solution permettant une meilleure intégration d'un dispositif d'accumulation énergétique à air liquide et/ou comprimé dans une centrale à vapeur. À cet effet, la centrale à vapeur (1), lors d'un fonctionnement en charge minimale, peut fonctionner dans un cycle d'accumulation d'entrée d'énergie aérienne ou dans un mode d'accumulation d'entrée d'énergie aérienne, dans lequel le dispositif de compression d'air ou le dispositif de liquéfaction d'air (14) est en liaison hydraulique (23a - 23d) guidant l'eau/l'eau d'alimentation/le condensat avec le circuit d'eau/de vapeur et en liaison hydraulique (24, 24a) faisant sortir la chaleur de compression à cet endroit avec le préchauffeur d'eau d'alimentation (10) du circuit d'eau/de vapeur, et en ce que la centrale vapeur (1), lors d'un fonctionnement en pleine charge, peut fonctionner dans un cycle d'accumulation de sortie d'énergie aérienne ou un mode d'accumulation de sortie d'énergie aérienne, dans lequel le dispositif de récupération d'énergie (19) est en liaison hydraulique (25) injectant depuis cet endroit l'énergie de chauffage d'air avec le préchauffeur d'eau d'alimentation (10) et/ou le turbogénérateur (4, 5, 6) et/ou la surchauffe intermédiaire chaude et/ou froide et/ou avec la vapeur fraîche du circuit d'eau/de vapeur de la centrale à vapeur (1) et en liaison hydraulique (26a - 26d) ramenant l'eau/l'eau d'alimentation/le condensat avec le circuit d'eau/de vapeur.
PCT/EP2016/053457 2015-02-20 2016-02-18 Centrale à vapeur et procédé pour son fonctionnement Ceased WO2016131920A1 (fr)

Applications Claiming Priority (4)

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DE102015102498 2015-02-20
DE102015102498.5 2015-02-20
DE102015109898.9 2015-06-19
DE102015109898.9A DE102015109898A1 (de) 2015-02-20 2015-06-19 Dampfkraftwerk und Verfahren zu dessen Betrieb

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CN112160805A (zh) * 2020-09-29 2021-01-01 西安热工研究院有限公司 与燃煤发电机组热源耦合的液态压缩空气储能系统及方法
CN112412561A (zh) * 2020-11-11 2021-02-26 贵州电网有限责任公司 压缩空气储能系统和火力发电厂控制系统耦合控制方法
CN113153462A (zh) * 2021-05-26 2021-07-23 西安热工研究院有限公司 超临界二氧化碳循环冷端余热辅助加热凝结水系统及方法
CN114542224A (zh) * 2022-01-30 2022-05-27 上海发电设备成套设计研究院有限责任公司 一种液态压缩空气与火电机组耦合的系统装置和方法
CN114876599A (zh) * 2022-05-09 2022-08-09 徐州工程学院 一种熔盐新能源动力系统和控制方法及移动式设备

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