DE2945969A1 - Solar power system mounted on tower - has cooling tower for exhaust steam suspended from main tower for simpler construction - Google Patents

Solar power system mounted on tower - has cooling tower for exhaust steam suspended from main tower for simpler construction

Info

Publication number
DE2945969A1
DE2945969A1 DE19792945969 DE2945969A DE2945969A1 DE 2945969 A1 DE2945969 A1 DE 2945969A1 DE 19792945969 DE19792945969 DE 19792945969 DE 2945969 A DE2945969 A DE 2945969A DE 2945969 A1 DE2945969 A1 DE 2945969A1
Authority
DE
Germany
Prior art keywords
tower
cooling
solar power
jacket
power plant
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Withdrawn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
DE19792945969
Other languages
German (de)
Inventor
Dieter Dipl.-Ing. 8520 Erlangen Blanck
Roland Dr.-Ing. 8501 Eckental Meyer-Pittroff
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.)
Kraftwerk Union AG
Original Assignee
Kraftwerk Union AG
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 Kraftwerk Union AG filed Critical Kraftwerk Union AG
Priority to DE19792945969 priority Critical patent/DE2945969A1/en
Publication of DE2945969A1 publication Critical patent/DE2945969A1/en
Withdrawn legal-status Critical Current

Links

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
    • F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • 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
    • F03G6/064—Devices for producing mechanical power from solar energy with solar energy concentrating means having a gas turbine cycle, i.e. compressor and gas turbine combination
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (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)

Abstract

The tower (1) carries a machine space at its top. This has openings (2) through which solar radiation reflected from mirrors (4) on the ground reaches air heaters (5). The heated air passes to a gas turbine (8) which drives a compressor (7) and a generator (6). The turbine works on an open cycle. The exhaust from the turbine is cooled in a heat exchanger (11) in which it superheats steam. The steam drives a turbine (13) which is coupled to a generator (14). The exhaust steam returns through cooling coils (16) at the base of a cooling tower (17). The cooling tower with the coils (16) surrounds the generating tower (1) and is suspended (18) from it.

Description

Sonnenkraftwerksanlage mit einem auf einem TurmSolar power plant with one on a tower

angeordneten Strahlungswärmetauscher und einem den Turm umgebenden Kühlturm Die Erfindung betrifft eine Sonnenkraftwerksanlage mit auf einen Turi angeordnetes, über ein den Turn umgebendes Spiegelfeld nit Sonnenenergie bestrahlten Strahlungswärmetauscher, dem eine Turbine zur Entspannung des ii Strahlungswärmetauscher erhitzten Mediums (Gas oder Dampf) und Kühlelemente eines den Turm ungebenden Kühlturmes zur Abgabe der Abwärme an Luft nachgeschaltet sind.arranged radiation heat exchanger and one surrounding the tower Cooling tower The invention relates to a solar power plant with arranged on a turi, A radiant heat exchanger irradiated with solar energy via a mirror field surrounding the turn, the one turbine for the expansion of the ii radiant heat exchanger heated medium (Gas or steam) and cooling elements of a cooling tower not present in the tower for delivery downstream of the waste heat in air.

In der Patentanneldung P 29 37 529.9 ist bereits eine Sonnenkraftwerksanlage mit einem Kühlturm vorgeschlagen worden, bei den ein den Turm der Sonnenkraftwerksanlage umgebender Kühlturm zur Abiuhr der Abwärne an die Luit vorgesehen ist.In the patent application P 29 37 529.9 there is already a solar power plant with a cooling tower has been proposed, with one the tower of the solar power plant surrounding cooling tower is provided for the dissipation of waste heat to the Luit.

Aufgabe der vorliegenden Erfindung ist es, diese An- ordnung so zu verbessern, daß der Kühlturm bei optinaleu Zug als Naturzugkühlturm arbeiten kann und rrn su seiner Herstellung nur einen relativ geringen Materialaufwand benötigt.The object of the present invention is to order to be improved so that the cooling tower at optinaleu Zug works as a natural draft cooling tower can and rrn su its production only requires a relatively low cost of materials.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Mantel des Kühlturmes und an unteren Ende des Mantels vorgesehene Ktihleleiente an den Turn aufgehängt sind.This object is achieved according to the invention in that the jacket of the cooling tower and at the lower end of the jacket provided Ktihleleiente to the Turn are hung.

Ein Ausführungsbeispiel ist in Figur 1 dargestellt.An exemplary embodiment is shown in FIG.

Weitere Ausführungsbeispiele für die Befestigungsmöglichkeiten des Kühlturmes as Turm der Sonnenkraftwerksanlage zeigen die Figuren 2 und 3.Further embodiments for the mounting options of the The cooling tower as the tower of the solar power plant is shown in Figures 2 and 3.

Auf einen Turn 1, der sich in der Spitze erweitert, befinden sich Einstrahlungsöffnungen 2 iUr Sonnenstrahlern 3, die über am Boden befindliche Spiegel 4 ungelenkt werden. Hinter den Einstrahlungsöffnungen 2 sind Strahlungswärmetauscher 5 vorgesehen, in denen Gas bnr. Wasser erhitzt und gegebenenfalls verdampft wird.On a turn 1 that widens towards the top, there are Irradiation openings 2 iUr sunbeamers 3, the mirrors located on the floor 4 are unguided. Radiant heat exchangers are located behind the irradiation openings 2 5 provided in which gas bnr. Water is heated and optionally evaporated.

Im Ausführungsbeispiel nach Figur 1 sind die Strahlungswärmetauscher 5 als Erhitzer für eine Gasturbinenanlage nit offenen Luftkreislauf vorgesehen. Hier wird ein Generator 6 und ein Verdichter 7 von einer Gasturbine 8 angetrieben, die erhitzte Luit über Rohrleitungen 9 und 10 aus den Strahlungswärmetauschern erhält. Die die Gasturbine 8 verlassende Luft gelangt in einen Abhitzewärmetauscher 11 und von da aus über den Strahlungswärmetauscher 5 zur Vorwärmung ins Freie. Zur Kühlung des Abhitzewärmetauschers 11 dienen dampfführende Rohre 12, die im Abhitzewärmetauscher 11 überhitzten Dampf einer nit einen Generator 14 gekuppelten Daspiturbine 13 zuführen.In the exemplary embodiment according to FIG. 1, the radiant heat exchangers are 5 intended as a heater for a gas turbine system with an open air circuit. Here a generator 6 and a compressor 7 are driven by a gas turbine 8, the heated Luit receives via pipes 9 and 10 from the radiant heat exchangers. The air leaving the gas turbine 8 passes into a waste heat exchanger 11 and from there via the radiant heat exchanger 5 for preheating to the outside. For cooling of the waste heat exchanger 11 are used by steam-carrying pipes 12, which are in the waste heat exchanger 11 overheated Steam from a daspiturbine coupled with a generator 14 13 feed.

Der die Danpfturbine 13 verlassende, entspannte Dampf gelangt über Rohre 15 in Kühlelemente 16, die an unteren Ende eines den Turm 1 der Sonnenkraitwerkeanlage konzentrisch umgebenden Kühlelemente angeordnet sind Von Auegang der Kühlelenente wird das in diesen anfallende Kondensat über eine Rohrleitung 21 und eine Pumpe 22 in den Abhitzewärmetauscher 11 zurückgeführt.The expanded steam leaving the Danpfturbine 13 passes over Pipes 15 in cooling elements 16, which are at the lower end of the tower 1 of the solar power plant concentrically surrounding cooling elements are arranged from the outside of the cooling elements the condensate accumulating in these is via a pipe 21 and a pump 22 returned to the waste heat exchanger 11.

Die Kühlelemente 16 werden zusammen mit dem Mantel 17 des Kühlturmes von einen Seilnetz gehalten, dessen Tragseile 18 am Anschlußpunkt 19 des Turmes 1 für die Sonnenkraftwerksanlage befestigt sind. Hierdurch läßt sich der Mantel 17 des Kühlturmes relativ dünnwandig ausführen, da er keine tragende Punktion mehr hat.The cooling elements 16 are together with the jacket 17 of the cooling tower held by a cable network, the suspension cables 18 at the connection point 19 of the tower 1 are attached for the solar power plant. This allows the coat 17 of the cooling tower run relatively thin-walled, since it no longer has a load-bearing puncture Has.

Figur 2 zeigt den Turm 1 mit den Mantel 17 und den Kühlelementen 16 des Kühlturmes. Hier eind in der Turm 1 aui verschiedenen Höhen horisontale Stahltriger 20 verankert, an denen der Mantel 17 und die Kühlemente 16 befestigt sind. Bei diesem Ausführungsbeispiel wird nicht der gesamte Turmquerschnitt für Einbauten genutzt. Es sind deshalb Öffnungen 31, 32 vorgesehen, so daß ein Teil der Kühlluft in Innern des Turmes nach oben strömen kann.FIG. 2 shows the tower 1 with the jacket 17 and the cooling elements 16 of the cooling tower. Here and in the tower 1, horizontal steel turrets at different heights 20 anchored to which the jacket 17 and the cooling elements 16 are attached. With this one Embodiment, not the entire tower cross-section is used for fixtures. There are therefore openings 31, 32 provided so that part of the cooling air inside of the tower can flow upwards.

Figur 3 zeigt ein Ausführungsbeispiel, bei den eine Gas- oder Danpfturbine nur in der Spitze des Turmes 1 für die Sonnenkraftwerksanlage vorgesehen ist. Hier kann man den obersten Anschlußpunkt 19 für den Mantel 17 tragende Stahiträger 20 im oberen Drittel des Turmes 1 anordnen. Der Anschlußpunkt 19 läßt sich au Turm 1 so weit nach oben verschieben, daß nischen den oberen Teil des Turmes und der Turmspitze gerade genügend Raum iiir den Austritt der erwärmten Luft vorbleibt und daß die Einstrahlung der Sonnenstrahlen in die Einstrahlungsöffnungen damit nicht behindert wird.Figure 3 shows an embodiment in which a gas or Danpfturbine is only provided in the top of the tower 1 for the solar power plant. here the uppermost connection point 19 for the steel girder 20 carrying the jacket 17 can be seen in the upper third of the Arrange tower 1. The connection point 19 can move up so far au tower 1 that niches the upper part of the tower and there is just enough space left at the top of the tower for the heated air to exit and that the irradiation of the sun's rays into the irradiation openings with it is not hindered.

Man erhält bei dieser Anordnung keine langen Rohrleitungen zwischen den Abhitzewärmetauscher bzw. einen Kondensator und den Kühlelementen 16.With this arrangement, no long pipelines are obtained between the waste heat exchanger or a condenser and the cooling elements 16.

5 Patentansprüche 3 Figuren5 claims 3 figures

Claims (5)

Patentansprüche 1.) Sonnenkraftwerksanlage ait aui einem Turm angerdneten, über ein den Turm umgebendes Spiegelfeld it Sonnenenergie bestrahlten Strahlungswärmetauscher, dem eine Turbine zur Entspannung des im Strahlungswärmetauscher erhitzten Mediums (Gas oder Dampf) und Kühlelemente eines den Turm umgebenden Kühlturmes zur Abgabe der Abwärme an Luft nachgeschaltet sind, d a d u r c h g e k e n n z e i c h n e t , daß der Mantel (17) des Kühlturmes (16,17,18) und as unteren Ende des Mantels (17) vorgesehene Kühlelemente (16) an des Turm (1) aufgehängt sind.Claims 1.) Solar power plant ait aui a tower arranged, A radiant heat exchanger irradiated with solar energy via a mirror field surrounding the tower, a turbine to relax the medium heated in the radiant heat exchanger (Gas or steam) and cooling elements of a cooling tower surrounding the tower for delivery downstream of the waste heat in the air, t that the jacket (17) of the cooling tower (16,17,18) and the lower end of the jacket (17) provided cooling elements (16) are suspended from the tower (1). 2. Sonnenkraftwerksanlage nach Anspruch 1, d a -d u r c h g e k e n n z e i c h n e t , daß der Mantel (17) an einem ar Turm (1) der Sonnenkraftwerksanlage befestigten Seilnetz (18) aufgehängt ist.2. Solar power plant according to claim 1, d a -d u r c h g e k e n n z e i c h n e t that the jacket (17) on an ar tower (1) of the solar power plant attached cable net (18) is suspended. 3. Sonnenkraftwerksanlage nach Anspruch 1, d a -d u r c h g e k e n n z e i c h n e t , daß der Mantel (17) an Stahlträgern (20) befestigt ist, die sternförmig in die Wand des Turmes (1) eingelassen sind.3. Solar power plant according to claim 1, d a -d u r c h g e k e It is noted that the jacket (17) is attached to steel girders (20) which are embedded in a star shape in the wall of the tower (1). 4. Sonnenkraftwerksanlage nach Anspruch 1 bis 3, bei der sich die Turbine in der Nähe des Strahlungswärmetauschers auf dem Turm befindet, d a d u r c h g e k e n n s e i c h n e t , daß der Anechlußpunkt (19) für den Mantel (17) des Kühlturmes sich dicht unterhalb der ii Turm (1) angeordneten Turbine (8) beiindet.4. Solar power plant according to claim 1 to 3, in which the Turbine located near the radiant heat exchanger on the tower, d a d u r c h g e k e n n n s e i c h n e t that the connection point (19) for the jacket (17) of the cooling tower is located just below the II tower (1) arranged turbine (8). 5. Sonnenkraftwerksanlage nach Anspruch 1, d a -d u r c h g e k e n n s e i c h n e t , daß in Bereich des Mantels (17) für den Kühlturm Öffnungen (31,32) im Turm (1) vorgesehen sind, so daß freie Querschnitte des Turmes (1), die nicht iUr Hilieeinrichtungen genutzt werden, sit zur Führung der Kühlluft herangezogen sind.5. Solar power plant according to claim 1, d a -d u r c h g e k e n n s e i c h n e t that openings in the area of the jacket (17) for the cooling tower (31,32) are provided in the tower (1) so that free cross-sections of the tower (1), the are not used for auxiliary equipment, are used to guide the cooling air are.
DE19792945969 1979-11-14 1979-11-14 Solar power system mounted on tower - has cooling tower for exhaust steam suspended from main tower for simpler construction Withdrawn DE2945969A1 (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417656A1 (en) * 1994-05-20 1995-11-23 Steinmueller Gmbh L & C Method for generation of steam from solar radiation
ES2345379A1 (en) * 2009-03-20 2010-09-21 Abengoa Solar New Technologies S.A. Air- and steam-technology combined solar plant
WO2010139821A1 (en) * 2009-06-03 2010-12-09 Abengoa Solar New Technologies, S.A. Solar concentrator plant using natural-draught tower technology and operating method
EP2444664A1 (en) * 2009-06-19 2012-04-25 Abengoa Solar New Technologies, S.A. Tower for solar concentration plant with natural draught cooling
WO2012017078A3 (en) * 2010-08-06 2012-08-02 Alstom Technology Ltd Solar tower with integrated gas turbine
WO2012173560A1 (en) * 2011-06-13 2012-12-20 Euroturbine Ab Power generation plant and method of operating a power generation plant
EP2711650A1 (en) * 2012-09-25 2014-03-26 Siemens Aktiengesellschaft Arrangement for concentrated solar power energy conversion
WO2013056987A3 (en) * 2011-10-18 2014-04-03 Ricken Frank Method and device for providing power
US9086058B2 (en) 2009-06-19 2015-07-21 Abengoa Solar New Technologies, S.A. Method for the natural-draught cooling of a solar concentration plant
US9726155B2 (en) 2010-09-16 2017-08-08 Wilson Solarpower Corporation Concentrated solar power generation using solar receivers
US10876521B2 (en) 2012-03-21 2020-12-29 247Solar Inc. Multi-thermal storage unit systems, fluid flow control devices, and low pressure solar receivers for solar power systems, and related components and uses thereof

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GB1313512A (en) * 1969-06-05 1973-04-11 Schoon J G Building structure
US4117682A (en) * 1976-11-01 1978-10-03 Smith Otto J M Solar collector system

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GB1313512A (en) * 1969-06-05 1973-04-11 Schoon J G Building structure
US4117682A (en) * 1976-11-01 1978-10-03 Smith Otto J M Solar collector system

Non-Patent Citations (3)

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DE-Z: Brennstoff-Wärme-Kraft, Nr. 12, Dez. 1976, Bd. 9, S. 473 *
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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417656A1 (en) * 1994-05-20 1995-11-23 Steinmueller Gmbh L & C Method for generation of steam from solar radiation
US5904138A (en) * 1994-05-20 1999-05-18 L. & C. Steinmuller Gmbh Method for generating steam with concentrated solar radiation and solar apparatus therefor
ES2345379A1 (en) * 2009-03-20 2010-09-21 Abengoa Solar New Technologies S.A. Air- and steam-technology combined solar plant
WO2010106205A1 (en) * 2009-03-20 2010-09-23 Abengoa Solar New Technologies, S.A. Air- and steam-technology combined solar plant
EP2439409A1 (en) * 2009-06-03 2012-04-11 Abengoa Solar New Technologies, S.A. Solar concentrator plant using natural-draught tower technology and operating method
ES2350991A1 (en) * 2009-06-03 2011-01-28 Abengoa Solar New Technologies S.A. Solar concentrator plant using natural-draught tower technology and operating method
WO2010139821A1 (en) * 2009-06-03 2010-12-09 Abengoa Solar New Technologies, S.A. Solar concentrator plant using natural-draught tower technology and operating method
US9151518B2 (en) 2009-06-03 2015-10-06 Abengoa Solar New Technologies, S.A. Solar concentrator plant using natural-draught tower technology and operating method
EP2439409A4 (en) * 2009-06-03 2014-09-17 Abengoa Solar New Tech Sa Solar concentrator plant using natural-draught tower technology and operating method
EP2444664A1 (en) * 2009-06-19 2012-04-25 Abengoa Solar New Technologies, S.A. Tower for solar concentration plant with natural draught cooling
US9086058B2 (en) 2009-06-19 2015-07-21 Abengoa Solar New Technologies, S.A. Method for the natural-draught cooling of a solar concentration plant
EP2444664A4 (en) * 2009-06-19 2014-12-17 Abengoa Solar New Tech Sa Tower for solar concentration plant with natural draught cooling
EP2444665A4 (en) * 2009-06-19 2017-09-06 Abengoa Solar New Technologies, S.A. Method for the natural draught cooling of a solar concentration plant
WO2012017078A3 (en) * 2010-08-06 2012-08-02 Alstom Technology Ltd Solar tower with integrated gas turbine
US9726155B2 (en) 2010-09-16 2017-08-08 Wilson Solarpower Corporation Concentrated solar power generation using solar receivers
US10280903B2 (en) 2010-09-16 2019-05-07 Wilson 247Solar, Inc. Concentrated solar power generation using solar receivers
US11242843B2 (en) 2010-09-16 2022-02-08 247Solar Inc. Concentrated solar power generation using solar receivers
US9581051B2 (en) 2011-06-13 2017-02-28 Euroturbine Ab Power generation plant and method of operating a power generation plant
JP2014517207A (en) * 2011-06-13 2014-07-17 ユーロタービン アクティエボラーグ Power plant and power plant operating method
WO2012173560A1 (en) * 2011-06-13 2012-12-20 Euroturbine Ab Power generation plant and method of operating a power generation plant
WO2013056987A3 (en) * 2011-10-18 2014-04-03 Ricken Frank Method and device for providing power
US10876521B2 (en) 2012-03-21 2020-12-29 247Solar Inc. Multi-thermal storage unit systems, fluid flow control devices, and low pressure solar receivers for solar power systems, and related components and uses thereof
WO2014048893A1 (en) 2012-09-25 2014-04-03 Siemens Aktiengesellschaft Arrangement for concentrated solar power energy conversion
EP2711650A1 (en) * 2012-09-25 2014-03-26 Siemens Aktiengesellschaft Arrangement for concentrated solar power energy conversion

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