WO2011104328A2 - Dispositif et procédé de production vapeur d'eau surchauffée par l'énergie solaire selon le concept de circulation naturelle et utilisation de cette vapeur d'eau surchauffée - Google Patents

Dispositif et procédé de production vapeur d'eau surchauffée par l'énergie solaire selon le concept de circulation naturelle et utilisation de cette vapeur d'eau surchauffée Download PDF

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Publication number
WO2011104328A2
WO2011104328A2 PCT/EP2011/052792 EP2011052792W WO2011104328A2 WO 2011104328 A2 WO2011104328 A2 WO 2011104328A2 EP 2011052792 W EP2011052792 W EP 2011052792W WO 2011104328 A2 WO2011104328 A2 WO 2011104328A2
Authority
WO
WIPO (PCT)
Prior art keywords
water
heat transfer
pressure vessel
steam
evaporator
Prior art date
Application number
PCT/EP2011/052792
Other languages
German (de)
English (en)
Other versions
WO2011104328A3 (fr
Inventor
Waldemar Hoffmann
Guenther Beckesch
Arno Czimczik
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2011104328A2 publication Critical patent/WO2011104328A2/fr
Publication of WO2011104328A3 publication Critical patent/WO2011104328A3/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
    • 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
    • F01K3/12—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having two or more accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • F03G6/067—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/22—Drums; Headers; Accessories therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/26—Steam-separating arrangements
    • F22B37/261—Steam-separating arrangements specially adapted for boiler drums
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Definitions

  • the invention relates to a device for generating superheated steam by means of solar energy and a procedural ren for generating superheated steam using the device.
  • a use of the superheated steam is indicated.
  • a solar thermal power plant with indirect evaporation has a steam generator.
  • the steam generator includes a heat transfer circuit (primary circuit) with a heat carrier medium and a water / steam circuit (secondary circuit) with water.
  • the heat transfer medium of the heat ⁇ carrier circuit such as a thermal oil or a salt melt, absorbs the solar energy in the form of heat (thermal energy).
  • the heat transfer medium is he ⁇ warms.
  • the heat absorbed by the heat transfer medium heat heat is transferred by means of feed water preheater, evaporator andmon heater to the water of the water / steam cycle.
  • superheated steam is generated.
  • the stored in superheated steam thermal energy is used to obtain the electrical energy. It comes to the conversion of thermal energy into electrical energy.
  • Object of the present invention is to show how efficiently superheated steam can be obtained with the help of solar energy, which can be used for the production of electrical energy.
  • a device for generating superheated steam by solar energy comprising at least one heat transfer circuit with a heat transfer medium for receiving the solar energy in the form of heat and at least one water / steam cycle with water Forming the superheated steam, wherein the heat transfer circuit and the water / steam circuit for generating the superheated steam via at least one steam generator are thermally coupled to each other and through the steam generator a natural circulation concept with feed ⁇ water preheater for preheating of liquid water Water / steam cycle, with evaporator for evaporating the heated by means of the feedwater preheater liquid water of the water / steam cycle and with superheater for overheating of the formed ⁇ using the evaporator Was ⁇ serdampfs the water / steam cycle is realized.
  • the evaporator at least one natural circulation steam drum for the separation of liquid water from the water vapor formed by the evaporator.
  • a method for generating superheated steam using the apparatus is also specified with the following method steps: a) Provide b) converting solar energy into heat of the heat transfer medium and c) transferring the heat of the heat transfer medium to the water of the water / steam cycle, wherein the superheated steam is generated.
  • a use of the superheated steam generated by the described method to obtain electrical energy is indicated, wherein with the aid of the superheated steam, a steam turbine is driven.
  • the idea underlying the invention consists in using solar energy for the formation of superheated steam (water vapor at a temperature above the boiling point of water), that is to say the electromagnetic radiation emitted by the sun and directed towards the earth's surface ⁇ che meets.
  • a suitable steam generator system be ⁇ reitrum.
  • the steam generator or the steam generator system are based on the concept of natural circulation.
  • evaporation and overheating can each be provided a separate heat transfer circuit.
  • a single, common heat transfer circuit is present for the feedwater preheating, evaporation and overheating. It is the
  • Heat transfer circuit advantageously designed such that the heat transfer medium is successively available in the region of the superheater, in the region of the evaporator and in the region of the feedwater preheater for the respective thermal coupling.
  • the evaporator has a natural circulation steam drum. With the help of the natural circulation steam drum, liquid water from the Water vapor are separated, which is formed by the steam generator. Due to the natural circulation steam drum, a phase separation takes place. First the product obtained after the phase separation "dry" steam is superheated and a nachge ⁇ off steam turbine supplied. The drying of the water vapor may at any time, for example during a startup of the steam generator system, are provided for optimum conditions for the formation of steam Thus. also it possible at any time of operation of the device effi ⁇ cient conversion of solar energy into water vapor made ⁇ union.
  • Feed water preheating, evaporation and overheating can take place in a single, common pressure vessel.
  • necessary for the feedwater preheating, evaporation and overheating necessary thermal coupling of each of the stages in a separate pressure vessel is a pre-heating water pipe for receiving of liquid water of the water / steam cycle is arranged in the at least ⁇ .
  • the preheating water pipe and the heat ⁇ carrier circuit in the preheating pressure vessel for heating befindlichem in the preheating water pipe, liquid water of the water / steam cycle by means of heat of the heat transfer medium are thermally coupled together.
  • the evaporator has at least one evaporator pressure vessel in which at least one evaporator heat transfer tube for receiving the heat transfer medium of the heat transfer circuit is arranged, and the evaporator heat transfer tube and the Water / steam cycle in Ver ⁇ steamer-pressure vessel for transferring located in the evaporator pressure vessel, heated by the feedwater preheater liquid water of the water / steam cycle in water vapor by means of heat of the heat transfer medium ther- Mixed with each other.
  • the formation of water vapor takes place.
  • the superheater has at least one superheater pressure vessel in which at least one superheater water pipe for receiving the water vapor generated by the evaporator of the water / steam cycle is arranged, and the superheater water pipe and the heat carrier -Circulation in the superheater pressure vessel for overheating of the located in the superheater water pipe, formed by the evaporator steam are thermally coupled to each other by means of heat of the heat transfer medium.
  • thermal coupling pipes are used through which either the heat transfer medium of the heat transfer circuit or the water of the water / steam cycle are performed.
  • evaporator pressure vessel of the evaporator can be arranged arbitrarily to each other.
  • the ⁇ their natural circulation drum and the superheater water pipe are connected together so that the steam can enter the superheater water tube of the superheater, after separation of liquid water.
  • the evaporator pressure vessel of the evaporator and the natural circulation steam drum of the evaporator are interconnected such that the water vapor formed in the evaporator pressure vessel can pass into the natural circulation drum and by the Ab ⁇ separation in nature drum formed liquid water can enter the evaporator pressure vessel.
  • the separated liquid water is returned to the evaporator pressure vessel.
  • special lines can be provided, through which the liquid water passes back into the evaporator pressure vessel.
  • the use of pumps is also conceivable in order to control the return flow of the liquid water into the evaporator pressure vessel.
  • the natural circulation drum is arranged above the evaporator pressure vessel.
  • at least one steam riser is arranged between the natural circulation drum and the evaporator pressure vessel through which the water vapor formed in the evaporator pressure vessel can enter the natural circulation drum.
  • This arrangement utilizes a natural movement of the water vapor formed in the evaporator pressure vessel from "bottom to top.”
  • the steam riser may in a particular embodiment, the steam riser therefore serves one wearing the natural circulation steam drum through the evaporator pressure vessel, the natural circulation steam drum tra ⁇ gen. This means that no additional carrying or holding device must be present.
  • the individual stages of the steam generator can be arranged separately from each other ⁇ .
  • the pressure tanks of feedwater preheaters, evaporators and / or superheaters are designed as units separated from each other (apparatuses). Via external lines is ensured that the water / steam cycle and / or the bathträ ⁇ ger cycle are closed. What waters of ⁇ ser / steam cycle and heat transfer medium of the heat carrier ⁇ -cycle move from one stage to the next.
  • the individual apparatuses can be arranged in any manner to each other, for example vertically or horizon tal ⁇ .
  • a flow of the heat transfer medium in the heat transfer circuit and / or a flow of water in the water / steam cycle from one stage to the next stage can al ⁇ lein by the on the heat transfer medium and / or on the water of the water / Steam cycle acting gravity can be caused.
  • the flow of the heat transfer medium and or the flow of water can also be supported or effected by means of ent ⁇ speaking pumps.
  • the flui ⁇ de be pumped from one stage to the next. It is because ⁇ provided for, that the heat carrier medium is first, then led past in the region of the superheater in the region of the evaporator and closing ⁇ Lich in the region of the feed water preheater for thermal coupling to the respective tubes. Hot heat transfer medium is thus used to overheat the water vapor, "slightly cooled” heat transfer medium for Ver ⁇ steaming and "cold" heat transfer medium for feedwater preheating.
  • the stages of the steam generator can also be constructed together as one unit (a single apparatus), ie not a separate units. It is ensured that the heat transfer medium of the heat transfer circuit and / or the water of the water / steam cycle passes directly from one stage to the next. It will be used (with the exception of any existing steam risers) no external lines.
  • the steam generator has, for example, a steam generator boiler. Preheating pressure vessels, evaporator pressure vessels and / or superheater pressure vessels are integrated as individual chambers in the steam generator boiler. In this case, all three units in the steam generator boiler side by side, ie horizontally to each other, are integrated. It is also possible that only two of the three units are contained in the steam generator boiler.
  • the pre-heating pressure vessel and the evaporator pressure vessel are arranged to each other such that the water of the water / steam cycle and / or the heat transfer medium of the heat carrier circuit directly from the preheating Pressure vessel can get into the evaporator pressure vessel.
  • the evaporator and superheater in view of the heat transfer medium (The water vapor takes going through the natural circulation steam drum):
  • evaporator pressure container and the superheater pressure vessel are arranged to each other such that the heat ⁇ carrier medium of the heat transfer Circuit can get directly from the réelle ⁇ heater pressure vessel in the evaporator pressure vessel.
  • tubes are preferably used for thermal coupling through which either the heat transfer medium of the heat transfer circuit or the water of Was ⁇ water / steam cycle are performed.
  • the preheating pressure vessel is designed such that the heat transfer medium of the heat transfer circuit can flow past the preheating water pipe for thermal Kopp ⁇ treatment of the preheating water pipe and the heat transfer circuit. It can be ensured that the heat transfer medium Moides, so several times flows past the preheating water pipe.
  • a corresponding structure is preferred for the superheater pressure vessel: The superheater pressure vessel is designed such that for thermal coupling of the superheater water pipe and the heat transfer circuit with each other, the heat transfer medium of the heat transfer circuit can flow past the superheater water pipe. By passing the heat transfer medium, the thermal coupling takes place. Again, a Heractedes Vorbeiströmen the heat transfer medium may be provided.
  • the preheating water pipe and the superheater water pipe can be arranged arbitrarily with respect to a flow direction of the heat transfer medium in the respective pressure vessels. It is particularly advantageous, however, when a L Lucassaudehnung of preheating the water pipe and / or a longitudinal ⁇ extension of the superheater water pipe transversely to a Strö ⁇ direction of flow of the heat carrier medium in the preheating pressure vessel and / or transverse to a flow direction of the heat carrier medium in the Superheater pressure vessel are arranged. In this form an efficient energy transfer takes place.
  • the "cross-countercurrent circuit" can be realized in the preheater of the preheater and / or in the superheater pressure vessel of the superheater.
  • the water pipe used for the heat coupling is meandering.
  • the preheat water pipe and / or the superheater water pipe have at least one meander (arc).
  • the corresponding water pipe is bent.
  • the water pipes are advantageously meandering. But other designs are also proving their worth in terms of efficient heat exchange. So it is also advantageous if the preheat water pipe and / or the superheater water pipe are spiral.
  • the preheating water pipe and / or the superheater water pipe have at least one coated meander.
  • Coated meander tubes are used. Coated meanders (U-bends) are bends with a bending angle greater than 180 °. so that a height of a Ge ⁇ total number of meanders (meander harp) against a structure with "real" U-tubes is smaller. plated meanders is also utilized optimally, a potential of a possible heat transfer.
  • the situation is different with respect to the evaporator heat transfer tube.
  • the use of a straight pipe proves its worth. This is especially true for a tube bundle of several evaporator heat transfer tubes.
  • the evaporator heat transfer tubes are welded, for example, on both sides in Rohrplat ⁇ th.
  • the welded-evaporator heat transfer tubes counteract a high pressure of a lateral surface of the evaporator pressure vessel. This makes it possible to use thin tube plates.
  • the water vapor starting from the natural circulation steam drum, is distributed via a distributor to a plurality of superheater water pipes of the superheater. In each of the superheater water pipes takes place separately, the overheating of the water vapor.
  • a collector collects the superheated steam recovered in the individual superheater water pipes.
  • the merged, Bulb temperature ⁇ te steam is then fed to a steam turbine further ⁇ .
  • Overheating is a variety of parallel, meandering or spiral water pipes available.
  • the flow direction (and the flow velocity) of the Heat transfer medium to influence. This concerns both the feedwater preheating and the steam overheating.
  • the heat transfer medium can be channeled on the respective water pipe or passed to the respective water pipes over.
  • deflecting plates for changing a flow direction of the preheating pressure vessel are flowing Heat transfer medium of the heat transfer circuit and / or for changing a flow direction of flowing in the superheater pressure fluid heat transfer medium of the heat carrier circuit available.
  • a plurality of steam generators are present.
  • the plurality of steam generators are connected in parallel to a larger steam generator unit.
  • the steam generator can also have an intermediate superheater (intermediate overheating stage).
  • intermediate superheater an efficiency is increased, with a down- stream steam turbine is operated.
  • additional thermal energy is introduced into the water vapor.
  • the introduction of the thermal energy can be done arbitrarily, for example by means of fossil fuels.
  • the intermediate overheating stage is operated solar-thermally:
  • Intermediate superheater has an intermediate superheater water pipe for receiving the water vapor.
  • heated by means of solar energy saucer ⁇ ger medium is passed by the intermediate superheater water pipe.
  • Intermediate superheater water pipe and heat transfer medium are thermally coupled together. By passing the heat transfer medium, the water vapor in the intermediate superheater water pipe is additionally overheated.
  • FIG. 3 shows a steam generator as a unit with horizontally arranged apparatuses.
  • FIG. 4 shows the operating principle of the steam generator as a unit according to FIG. 3 in a lateral cross section.
  • a device 1 for generating water vapor by means of solar energy has a dressing, a drying, and a heating, and a heating.
  • the circuits are thermally coupled to each other via at least one steam generator 4.
  • An exchange of heat can take place via the steam generator, so that the water is transferred from the liquid phase into the gaseous phase as water vapor (FIG. 1).
  • the feedwater preheater has a preheat pressure vessel 411, the evaporator an evaporator pressure vessel 421 and the superheater on a superheater pressure vessel 431.
  • a natural circulation steam drum 441 is disposed above the evaporator pressure vessel.
  • the evaporator pressure vessel and the natural circulation steam drum are connected.
  • the steam risers serve as a carrier of natural circulation steam drum.
  • the water of the What ⁇ ser / steam circuit and the heat carrier medium are the heat transfer -Kreislaufs in preheating-pressure vessel of the feed ⁇ water preheater for heating located in the preheating water pipe 412 liquid water by means of heat of the heat transfer medium thermally coupled together.
  • a bundle 413 is present at meandering preheat water pipes.
  • the preheating water pipes are in the form of coated meander ⁇ sets.
  • the preheating water pipes are combined to form a rectangular tube bundle.
  • the water is distributed to the preheating water pipes (see Figure 4).
  • the heated by the thermal ⁇ coupling of heat transfer medium and preheating water pipes water is recombined via a collector 36 at the end of the preheating water pipes and forwarded to the evaporator (see Figure 4).
  • the evaporator heat transfer tube 422 and the water of the water / steam cycle are thermally coupled together.
  • a bundle of evaporator heat transfer tubes is present, which are supplied via a manifold with heat transfer medium.
  • the used heat transfer medium is recombined via a collector and forwarded to the feedwater preheater.
  • the water of the water / steam cycle and the heat transfer medium of the heat carrier circuit in the superheater pressure vessel of the superheater for heating located in the superheater water pipe 432 liquid water by means of heat of the heat transfer medium are thermally coupled together.
  • superheater Used water pipes with coated meanders Like the preheating water pipes, the superheater water pipes are combined into a rectangular tube bundle.
  • the heat transfer medium is a thermal oil.
  • the heat transfer medium is a salt melt.
  • an intermediate overheating stage (intermediate superheater) 13 is provided to increase the efficiency of the downstream steam turbine.
  • the intermediate stage is also operated solar-thermally.
  • the intermediate superheater has an intermediate superheater water pipe for receiving the water vapor.
  • For intermediate superheating hot, heated by means of solar energy sauceträ ⁇ ger medium is passed past the intermediate superheater water pipe.
  • Intermediate superheater water pipe and heat transfer medium are thermally coupled together.
  • Preheating pressure vessel, evaporator pressure vessel and superheater pressure vessel are designed as separate and horizontally arranged to each other apparatuses and connected with ex ⁇ ternal pipes together ( Figure 2).
  • the preheat pressure vessel and the superheater pressure vessel are vertically positioned.
  • the evaporator pressure vessel is there ⁇ against horizontal.
  • the superheater pressure vessel has a heat transfer inlet 22, through which the heated via the solar panel 11 heat ⁇ medium carrier is fed from above into the superheater pressure vessel.
  • the heat transfer medium flows from the heat transfer medium inlet with a vertical flow direction from top to bottom.
  • the preheat pressure vessel has a water inlet 33 for liquid water of the water / steam cycle. Cooled heat transfer medium is removed again via the heat carrier outlet of the preheating pressure vessel and is available for the renewed absorption of heat by solar energy.
  • the individual heat exchangers are connected in countercurrent, so that the superheated steam escapes from the superheater pressure vessel on the side at which the hot heat medium ⁇ carrier medium occurs.
  • the cooled heat-carrier medium exits the preheat pressure vessel on the side where the feedwater enters.
  • the water pipes in the preheating pressure vessel and the superheater pressure vessel are arranged transversely to the flow direction of the heat transfer medium.
  • Umleitbleche for changing the flow direction of the heat transfer medium are also present. This ensures that an ef ⁇ efficient heat exchange between the heat transfer medium and in the
  • the apparatuses feedwater preheater, evaporator and superheater
  • the apparatuses are gekop ⁇ pelt to a steam generator unit and placed in a container ( Figures 3 and 4).
  • the coupling of this type can be dispensed with external lines between the apparatus, except drop and risers of the steam drum.
  • the risers are also used in this concept as a support structure for the steam drum.
  • the apparatuses inside the container are connected in counter ⁇ current.
  • the entire steam generator unit is arranged horizontally. To comply with the specified pipe pitch metallic bracket holder are used.
  • a distributor for distributing water of the water / steam circuit and a collector for collecting the water or the superheated steam of the water / steam circuit are present in each of these apparatuses.
  • An outer pressure shell of distributor and collector is cylindrical in each case.
  • the centrally located between feed water preheater and superheater evaporator is constructed as a simple tube bundle with straight evaporator heat transfer tubes. The welded on both sides in tube plates evaporator heat transfer tubes counteract a high pressure in the mantle space of the evaporator pressure vessel. This allows a use of thin tube plates. Hot heat transfer medium flows through the evaporator heat transfer tubes.
  • the heat transfer medium in the example shown is passed three times through the boiling point in the evaporator pressure vessel water.
  • This simple principle in addition to the efficient heat exchange, the production costs are kept low. Likewise, this and the cleaning of the evaporator is straightforward.
  • the required diameter of the tube bundle of the evaporator heat transfer tubes is decisive. This can be brought by varying pipe parameters to different dimensions.
  • the diameter of preheating pressure vessel and superheater pressure vessel can be adjusted by a corresponding Bundelgestal ⁇ tion without problems.
  • the device described is used to generate superheated steam by means of solar energy.
  • the following process steps are carried out: a) Provide b) converting solar energy into heat of the heat transfer medium; and c) transferring the heat of the heat transfer medium to the water, whereby the superheated water vapor is generated.
  • the generated, superheated steam is forwarded to a steam turbine for the production of electricity.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention concerne un dispositif et un procédé de production de vapeur d'eau surchauffée par l'énergie solaire à l'aide d'un générateur de vapeur selon le concept de circulation naturelle. La production de vapeur d'eau surchauffée qui permet, par exemple, d'entraîner une turbine à vapeur, s'effectue dans un conduit d'eau en plusieurs étapes, notamment préchauffage de l'eau d'alimentation, évaporation et surchauffe. L'énergie thermique nécessaire est fournie par un fluide caloporteur chauffé par l'énergie solaire. Pour améliorer l'efficacité de la production de la vapeur d'eau surchauffée, on utilise entre autre des faisceaux tubulaires. Pour ce qui est des grandes unités de générateurs de vapeur, une pluralité de générateurs de vapeur sont en outre interconnectés en parallèle.
PCT/EP2011/052792 2010-02-26 2011-02-25 Dispositif et procédé de production vapeur d'eau surchauffée par l'énergie solaire selon le concept de circulation naturelle et utilisation de cette vapeur d'eau surchauffée WO2011104328A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010009464 2010-02-26
DE102010009464.1 2010-02-26

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Publication Number Publication Date
WO2011104328A2 true WO2011104328A2 (fr) 2011-09-01
WO2011104328A3 WO2011104328A3 (fr) 2012-03-15

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WO2013083684A1 (fr) * 2011-12-07 2013-06-13 Alstom Technology Ltd Réservoir d'eau pour système de production de vapeur et son procédé d'utilisation
WO2013156375A1 (fr) * 2012-04-19 2013-10-24 Siemens Aktiengesellschaft Procédé et dispositif pour faire fonctionner une centrale héliothermique
EP2781832A1 (fr) * 2013-03-18 2014-09-24 Siemens Aktiengesellschaft Procédé de démarrage d'une centrale thermique solaire
WO2016001184A1 (fr) * 2014-07-01 2016-01-07 Basf Se Dispositif de transfert de chaleur
EP3267100A1 (fr) 2016-07-08 2018-01-10 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Installation de production de vapeur
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EP4071131A1 (fr) * 2016-04-13 2022-10-12 Lummus Technology LLC Appareil et procédé d'échange de chaleur

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Cited By (18)

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Publication number Priority date Publication date Assignee Title
CN104105923A (zh) * 2011-12-07 2014-10-15 阿尔斯通技术有限公司 用于蒸汽发生系统的储水器及其使用方法
CN104105923B (zh) * 2011-12-07 2016-07-06 阿尔斯通技术有限公司 用于蒸汽发生系统的储水器及其使用方法
WO2013083684A1 (fr) * 2011-12-07 2013-06-13 Alstom Technology Ltd Réservoir d'eau pour système de production de vapeur et son procédé d'utilisation
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