WO1997014284A2 - Verfahren und vorrichtung zum erzeugen von solarem dampf - Google Patents
Verfahren und vorrichtung zum erzeugen von solarem dampf Download PDFInfo
- Publication number
- WO1997014284A2 WO1997014284A2 PCT/DE1996/001886 DE9601886W WO9714284A2 WO 1997014284 A2 WO1997014284 A2 WO 1997014284A2 DE 9601886 W DE9601886 W DE 9601886W WO 9714284 A2 WO9714284 A2 WO 9714284A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorber
- water
- steam
- strand
- solar
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000006096 absorbing agent Substances 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000013021 overheating Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 description 7
- 238000000576 coating method Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Classifications
-
- 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
- F03G6/061—Parabolic linear or trough concentrators
-
- 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
-
- 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
- F03G6/02—Devices for producing mechanical power from solar energy using a single state working fluid
- F03G6/04—Devices for producing mechanical power from solar energy using a single state working fluid gaseous
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
-
- 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 method and a device for generating solar steam.
- the collector array comprises a larger number of collectors and absorber branches.
- the solar radiation concentrated by the collectors on the absorber strands is absorbed in the absorber strands.
- the medium to be evaporated is evaporated directly in the absorber strands.
- the invention is based on the object of specifying a method for generating solar steam in which the risk of overheating in the absorber strands is avoided and at the same time there is a significant cost reduction in the collector field.
- the invention is also based on the object of specifying a device for carrying out the method.
- the first-mentioned object is achieved according to the invention by a method for generating solar steam with at least at least one collector and at least one absorber line carrying water and / or steam, water being additionally supplied to the absorber line in such a way that wet steam is present at an outlet of the absorber line.
- the second-mentioned object is achieved according to the invention by a device for generating solar steam, which comprises at least one collector and at least one water and / or steam-carrying absorber strand, means for additional supply of water being provided such that at an outlet of the absorber strand Wet steam is present.
- the generation and use of wet steam as solar steam prevents the absorber strand from overheating.
- the wet steam is composed of the two components water and water vapor. This significantly reduces the temperature in the absorber line. As a result, the requirements regarding the temperature resistance of the components that make up the absorber strand decrease.
- the absorber coating consequently works in a temperature range which guarantees an optimal efficiency for the absorption of the solar radiation. Radiation losses due to temperature retroreflection are thus avoided.
- the lower operating temperature ensures a longer service life of the individual components. This leads to a considerable saving in costs for the entire collector array.
- At least the same amount of water is preferably fed in at an inlet of the absorber strand and / or at a feed point for feeding water as at a feed point arranged closer to an outlet of the absorber strand in the flow direction.
- the number of feed points is kept low.
- the supply of water does not have to be regulated separately.
- a rough adjustment of the dosage to the radiation of the sun is sufficient. The Costs for exact regulation can thus be saved.
- wet steam is present in the entire absorber line.
- wet steam instead of solar superheated steam enables a greater mass flow density with the same heat supply.
- the water for feeding into the absorber line is taken from the water-steam cycle of a fossil-fired power plant.
- the water for the absorber line does not have to be made available, which saves on operating resources.
- At least one water-carrying line opens into the absorber line in the flow direction in front of the collector.
- a device 2 for generating solar steam comprises a plurality of collectors 4.
- the individual collectors 4 have the shape of a parabolic.
- Several collectors 4 are arranged one behind the other in such a way that a parabolic trough arrangement 28 is formed.
- An absorber line 6 is assigned to the collectors 4 and is located in the focal line of the collectors 4.
- the incident solar radiation is bundled by the collectors 4 of the parabolic trough arrangement 28 and concentrated on the absorber strand 6 with an absorber coating 30.
- the energy of the solar radiation is absorbed in the absorber coating 30 and onto the water flowing in the absorber strand 6 transferred, which partially evaporates with the generation of wet steam.
- wet steam is present in the entire absorber line 6 at all times during operation.
- Wet steam contains water and steam at the same time, i.e. that the steam content x of the wet steam is less than 1.
- water is additionally supplied to the absorber line 6. The additional water is fed into the absorber line 6 via the lines 18, 20, 22 at the feed points 10, 12, 14.
- At least the same amount of water is fed in at the feed point 10, 12, 14 for feeding water as at a feed point 12, 14 which is arranged closer to the outlet 8 of the absorber strand 6 in the flow direction 16.
- Embodiment does not require any special control mechanisms, since a rough dosage of water at the respective injection points 10, 12, 14 is sufficient.
- the water for the device 2 which is fed into the absorber line 6 via the inlet 24 and via the lines 18, 20, 22, can, for example, the water-steam cycle taken from a fossil-fired power plant.
- the wet steam from the device 2 can, for example, be returned to the steam cycle of the fossil-fired power plant.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96945345A EP0856125A2 (de) | 1995-10-17 | 1996-10-01 | Verfahren und vorrichtung zum erzeugen von solarem dampf |
IL12371396A IL123713A0 (en) | 1995-10-17 | 1996-10-01 | Method and device for producing solar steam |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19538672.8 | 1995-10-17 | ||
DE19538672A DE19538672A1 (de) | 1995-10-17 | 1995-10-17 | Verfahren und Vorrichtung zum Betreiben eines Solarkraftwerkes zur Erzeugung von solarem Dampf |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1997014284A2 true WO1997014284A2 (de) | 1997-04-24 |
WO1997014284A3 WO1997014284A3 (de) | 1997-07-03 |
Family
ID=7775095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1996/001886 WO1997014284A2 (de) | 1995-10-17 | 1996-10-01 | Verfahren und vorrichtung zum erzeugen von solarem dampf |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0856125A2 (de) |
CN (1) | CN1198808A (de) |
DE (1) | DE19538672A1 (de) |
IL (1) | IL123713A0 (de) |
MA (1) | MA23988A1 (de) |
WO (1) | WO1997014284A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1013693A3 (nl) * | 2000-09-19 | 2002-06-04 | Suria Holdings Sarl | Werkwijze en inrichting voor het vervaardigen van stoom met zonne-energie. |
DE102011004265A1 (de) * | 2011-02-17 | 2012-08-23 | Siemens Aktiengesellschaft | Sonnenkollektorstrang für einen solarthermischen Durchlaufdampferzeuger |
CN103090346A (zh) * | 2011-11-02 | 2013-05-08 | 洛阳维琦太阳能技术有限公司 | 一种太阳光热转换蒸汽装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4126038A1 (de) * | 1991-08-06 | 1993-02-11 | Siemens Ag | Gas- und dampfturbinenkraftwerk mit einem solarbeheizten dampferzeuger |
WO1993010406A1 (en) * | 1991-11-14 | 1993-05-27 | Common Plum Company N.V. | Device for the utilization of solar energy |
DE4409197A1 (de) * | 1994-03-17 | 1995-09-21 | Siemens Ag | Verfahren und Einrichtung zur solaren Dampferzeugung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4331784C2 (de) * | 1993-09-18 | 1997-10-23 | Deutsche Forsch Luft Raumfahrt | Rinnenkollektor |
-
1995
- 1995-10-17 DE DE19538672A patent/DE19538672A1/de not_active Withdrawn
-
1996
- 1996-10-01 IL IL12371396A patent/IL123713A0/xx unknown
- 1996-10-01 WO PCT/DE1996/001886 patent/WO1997014284A2/de not_active Application Discontinuation
- 1996-10-01 EP EP96945345A patent/EP0856125A2/de not_active Ceased
- 1996-10-01 CN CN96197390A patent/CN1198808A/zh active Pending
- 1996-10-11 MA MA24368A patent/MA23988A1/fr unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4126038A1 (de) * | 1991-08-06 | 1993-02-11 | Siemens Ag | Gas- und dampfturbinenkraftwerk mit einem solarbeheizten dampferzeuger |
WO1993010406A1 (en) * | 1991-11-14 | 1993-05-27 | Common Plum Company N.V. | Device for the utilization of solar energy |
DE4409197A1 (de) * | 1994-03-17 | 1995-09-21 | Siemens Ag | Verfahren und Einrichtung zur solaren Dampferzeugung |
Non-Patent Citations (1)
Title |
---|
FORSCHUNGSVERBUND SONNENENERGIE: "THEMEN 93/94", DE, Seiten 57-64, XP000647082 M. M]LLER UND K. HENNECKE: "Solare Farmkraftwerk und direktverdampfung in Parabolrinnen-Kollektoren" in der Anmeldung erw{hnt * |
Also Published As
Publication number | Publication date |
---|---|
EP0856125A2 (de) | 1998-08-05 |
MA23988A1 (fr) | 1997-07-01 |
CN1198808A (zh) | 1998-11-11 |
IL123713A0 (en) | 1998-10-30 |
DE19538672A1 (de) | 1997-04-24 |
WO1997014284A3 (de) | 1997-07-03 |
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