JPS60122865A - Solar heat electric power generation apparatus - Google Patents
Solar heat electric power generation apparatusInfo
- Publication number
- JPS60122865A JPS60122865A JP58229791A JP22979183A JPS60122865A JP S60122865 A JPS60122865 A JP S60122865A JP 58229791 A JP58229791 A JP 58229791A JP 22979183 A JP22979183 A JP 22979183A JP S60122865 A JPS60122865 A JP S60122865A
- Authority
- JP
- Japan
- Prior art keywords
- heat storage
- storage tank
- heat
- power generation
- steam
- 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.)
- Granted
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
- F03G6/003—Devices for producing mechanical power from solar energy 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
- F03G6/071—Devices for producing mechanical power from solar energy with energy storage devices
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は太陽熱発電装置にかかシ、特に日射変動を吸収
するための蒸気蓄熱槽と蒸気過熱用蓄熱器を備えた過熱
蒸気利用の太陽熱発電装置に関する。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a solar thermal power generation device, and particularly to a solar thermal power generation device using superheated steam, which is equipped with a steam heat storage tank for absorbing solar radiation fluctuations and a heat storage device for steam superheating. Regarding equipment.
従来の蒸気蓄熱槽（以下、蓄熱槽）と蒸気過熱用蓄熱器
（以下、蓄熱器）を備えた太陽熱発電装置鉱、第１図に
示すように蓄熱槽ｌと蓄熱器２はそれぞれ独立に設けら
れ、蒸発用集熱器３で発生した飽和蒸気は直接、又は蓄
熱槽ｌを経由して蓄熱器２に導かれる。飽和蒸気はこの
蓄熱器２で過熱蒸気となってタービン５に送られる。な
お、４は蓄熱器２に太陽熱を供給するだめの過熱用集熱
器である。蓄熱槽１及び蓄熱器２は日射量に一時的な変
動がある場合にも、安定して過熱蒸気をタービン５に送
るために設けられているが、日射変動が大きく、蓄熱槽
１又は蓄熱器２のどちらか一方の温度が規定温度以下に
なった場合には蒸気をタービン５に送ることができなく
なる。タービンの起動、停止をくシ返すことは望ましく
ないため、従来の太陽熱発電装置では、蓄熱槽１又は蓄
熱器２のどちらか一方の温度が規定温度以下に下がった
場合には発電を停止していた。そのため、日本のように
日射変動の大きい地域では安定した運転は困難であシ、
発電量を大きくできなかった。また、日射変動を吸収す
るためには、蓄熱槽１と蓄熱器２を大型にせざるを得な
かった。In a conventional solar thermal power generation device equipped with a steam heat storage tank (hereinafter referred to as a heat storage tank) and a heat storage unit for steam superheating (hereinafter referred to as a heat storage unit), as shown in Fig. 1, the heat storage tank 1 and the heat storage unit 2 are each installed independently. The saturated steam generated in the evaporation heat collector 3 is guided to the heat storage device 2 directly or via the heat storage tank 1. The saturated steam becomes superheated steam in the heat storage device 2 and is sent to the turbine 5. In addition, 4 is a heat collector for superheating that supplies solar heat to the heat storage device 2. The heat storage tank 1 and the heat storage device 2 are provided to stably send superheated steam to the turbine 5 even when there is a temporary fluctuation in the amount of solar radiation. If the temperature of either one of the two falls below the specified temperature, steam cannot be sent to the turbine 5. Since it is undesirable to repeatedly start and stop the turbine, conventional solar thermal power generation equipment stops power generation when the temperature of either the heat storage tank 1 or the heat storage tank 2 falls below a specified temperature. Ta. Therefore, stable operation is difficult in areas like Japan where solar radiation fluctuates greatly.
It was not possible to increase the amount of power generated. Furthermore, in order to absorb solar radiation fluctuations, the heat storage tank 1 and the heat storage device 2 had to be made large.
本発明の目的は、蓄熱槽及び蓄熱器を大型にすることな
く、日射変動時にも安定して発電可能な太陽熱発電装置
を提供することにある。An object of the present invention is to provide a solar thermal power generation device that can generate power stably even during solar radiation fluctuations without increasing the size of the heat storage tank and heat storage device.
上記の目的を達成するため本発明では、蓄熱器の熱を蓄
熱槽へ移すための熱交換用配管を設け、蓄熱器の温度が
運転可能な規定温度以上であるにもかかわらず蓄熱槽の
温度が規定温度以下に低下する恐れがある場合に、前記
熱交換用配管にょ９蓄熱器の熱を蓄熱槽に移すことにょ
シ蓄熱槽、蓄熱器とともに規定温度以上に保ち、大きな
日射変動時にも発電を安定して継続できる太陽熱発電装
置とした。In order to achieve the above object, the present invention provides heat exchange piping for transferring the heat of the heat storage device to the heat storage tank, so that even if the temperature of the heat storage device is above the specified temperature for operation, the temperature of the heat storage tank is When there is a risk that the temperature may drop below the specified temperature, the heat exchange pipe 9 transfers the heat from the heat storage device to the heat storage tank.The heat storage tank and heat storage device together maintain the temperature above the specified temperature and generate electricity even during large solar radiation fluctuations. This is a solar thermal power generation device that can continue to operate stably.
以下、本発明の一実施例を第２図にょシ説明する。第２
図において、タービン５を出て凝縮した水はポンプ８に
よシ蒸発用集熱器３に送られ、太陽熱によシ蒸発し飽和
蒸気となる。この飽和蒸気は蓄熱槽１を経由して、又は
直接蓄熱器２へ導かれ、この蓄熱器２よフ熱を受けて過
熱蒸気となジタービン５に送られる。蓄熱器２には蓄熱
材が充填されておシ、この蓄熱材はポンプｌｏにょシ循
項され、過熱用集熱器４にょシ加熱されて蓄熱器２に戻
る。An embodiment of the present invention will be described below with reference to FIG. Second
In the figure, water that exits the turbine 5 and condenses is sent to the evaporation collector 3 by a pump 8, where it is evaporated by solar heat and becomes saturated steam. This saturated steam is led via the heat storage tank 1 or directly to the heat storage 2, receives heat from the heat storage 2, becomes superheated steam, and is sent to the turbine 5. The heat storage device 2 is filled with a heat storage material, and this heat storage material is circulated by the pump, heated by the superheating heat collector 4, and returned to the heat storage device 2.
蓄熱器２と蓄熱槽１の間には熱交換用配管６が設けられ
ておシ、ポンプ９によシ熱交換用配管６に送られた水は
蓄熱器２で加熱された後、蓄熱槽１に入シ、蓄熱器の熱
が蓄熱槽１に移される。７は、蓄熱［１及び蓄熱器２の
温度を検出して上記熱交換量を制御するための制御装置
である。A heat exchange pipe 6 is provided between the heat storage device 2 and the heat storage tank 1, and the water sent to the heat exchange pipe 6 by the pump 9 is heated in the heat storage device 2 and then transferred to the heat storage tank. 1, the heat in the heat storage device is transferred to the heat storage tank 1. 7 is a control device for detecting the temperatures of the heat storage [1 and the heat storage device 2] and controlling the amount of heat exchange.
以下、本実施例の動作を説明する。日射変動が少なく、
蓄熱槽１１蓄熱器２とも運転可能な温度範囲にある場合
には、蓄熱器２から蓄熱槽１へ熱交換されないが、過熱
用集熱器４による集熱量が蒸気を過熱するに要する熱量
より多く、蓄熱器２が最高温度限界を超える恐れがある
ときには、蒸気流量を増加させるとともに、蓄熱器２か
ら蓄熱槽１へ熱交換され、過熱用集熱器４で集熱された
熱が有効に利用される。一方、日射量が低下した時には
、蒸発用集熱器３で発生する蒸気量が低下するため、発
電に必要な蒸気量の不足分を蓄熱槽１からの蒸気で補う
必要がある。そのため、蓄熱槽１の温度が急激に低下し
、運転可能な温度範囲よシ低下する恐れがある場合には
、蓄熱器２から蓄熱槽１へ熱交換することによって、運
転継続可能な時間を長くシ、太陽熱発電装置の発電量を
高めることができる。The operation of this embodiment will be explained below. Less fluctuation in solar radiation,
When both the heat storage tank 11 and the heat storage tank 2 are within the operable temperature range, heat is not exchanged from the heat storage tank 2 to the heat storage tank 1, but the amount of heat collected by the superheating heat collector 4 is greater than the amount of heat required to superheat the steam. When there is a possibility that the heat storage device 2 exceeds the maximum temperature limit, the steam flow rate is increased and heat is exchanged from the heat storage device 2 to the heat storage tank 1, and the heat collected in the superheating heat collector 4 is effectively used. be done. On the other hand, when the amount of solar radiation decreases, the amount of steam generated in the evaporation heat collector 3 decreases, so it is necessary to compensate for the shortage of the amount of steam necessary for power generation with the steam from the heat storage tank 1. Therefore, if the temperature of the heat storage tank 1 suddenly decreases and there is a risk that it will drop below the operating temperature range, heat is exchanged from the heat storage tank 2 to the heat storage tank 1 to extend the period of time during which operation can be continued. The amount of power generated by the solar thermal power generation device can be increased.
以上説明した本実施例の効果の一例を第３図に示した日
射パターンについて、第４図に示す。第３図において、
１１は晴天時、１２は日射変動時の日射パターンの一例
である。Ｔ１は日射量低下継続時間を示す。第４図は、
第１図の従来の太陽熱発電装置の発ｉＥ量を１とした時
の本実施例の発を量を縦軸に出力比として示す。同図横
軸は第３図に示した日射量低下継続時間Ｔ１である。第
４図の点１３は第３図の日射パターン１１に、点１４は
日射パターン１２に対応した本実施例の従来例に対する
出力比である。図４よシ、本発明による発電量の増加効
果は、日射変動時の日射量低下継続時間Ｔ１が長いはど
大きくなる。なお、第４図に示した本実施例の蓄熱槽と
蓄熱器の大きさは、従来の太陽熱発電装置と同じとした
。An example of the effects of the present embodiment described above is shown in FIG. 4 for the solar radiation pattern shown in FIG. 3. In Figure 3,
11 is an example of a solar radiation pattern during clear weather, and 12 is an example of a solar radiation pattern when solar radiation fluctuates. T1 indicates the duration of the decrease in solar radiation. Figure 4 shows
When the amount of iE emitted by the conventional solar power generation device in FIG. 1 is set to 1, the amount of emitted energy of this embodiment is shown as an output ratio on the vertical axis. The horizontal axis in the figure is the duration time T1 of the decrease in solar radiation shown in FIG. Point 13 in FIG. 4 corresponds to the solar radiation pattern 11 in FIG. 3, and point 14 corresponds to the solar radiation pattern 12, and is the output ratio of this embodiment to the conventional example. As shown in FIG. 4, the effect of increasing the amount of power generation according to the present invention becomes greater as the duration T1 of the decrease in solar radiation during solar radiation fluctuation is longer. Note that the sizes of the heat storage tank and the heat storage device of this example shown in FIG. 4 were the same as those of the conventional solar power generation device.
以上説明したごとく、本発明によれば、蓄熱槽及び蓄熱
器を大型にすることなく日射変動時にも安定して発電を
継続することが可能とな）、従来に比較して発電量を１
０〜３０％増加させることが可能となる。As explained above, according to the present invention, it is possible to stably continue power generation even during solar radiation fluctuations without increasing the size of the heat storage tank and heat storage device), and the amount of power generation can be reduced by 1% compared to the conventional method.
It becomes possible to increase it by 0 to 30%.
第１図は従来の太陽熱発電装置の概略系統図、第２図は
本発明の一実施例を示す概略系統図、第３図は日射パタ
ーンを示す説明図、第４図は本発明の効果の一例を示す
説明図である。
１・・・蒸気蓄熱槽、２・・・蒸気過熱用蓄熱器、３，
４・・・集熱器、５・・・タービン、６・・・熱交換用
配管、７１１図
４
７２ 図Fig. 1 is a schematic system diagram of a conventional solar thermal power generation device, Fig. 2 is a schematic system diagram showing an embodiment of the present invention, Fig. 3 is an explanatory diagram showing the solar radiation pattern, and Fig. 4 is an illustration of the effects of the present invention. It is an explanatory diagram showing an example. 1... Steam heat storage tank, 2... Steam superheating heat storage device, 3,
4... Heat collector, 5... Turbine, 6... Heat exchange piping, 711Figure 4 72 Figure
Claims (1)
装置において、蒸気過熱用蓄熱器の熱を蒸気蓄熱槽へ移
すだめの熱交換装置を設けたことを特徴とする太陽熱発
電装置。1. A solar thermal power generation device equipped with a steam heat storage tank and a steam superheating heat storage tank, characterized in that a heat exchange device for transferring heat from the steam superheating heat storage tank to the steam heat storage tank is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58229791A JPS60122865A (en) | 1983-12-07 | 1983-12-07 | Solar heat electric power generation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58229791A JPS60122865A (en) | 1983-12-07 | 1983-12-07 | Solar heat electric power generation apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60122865A true JPS60122865A (en) | 1985-07-01 |
| JPH0222860B2 JPH0222860B2 (en) | 1990-05-22 |
Family
ID=16897725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58229791A Granted JPS60122865A (en) | 1983-12-07 | 1983-12-07 | Solar heat electric power generation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60122865A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63183346A (en) * | 1987-01-27 | 1988-07-28 | Agency Of Ind Science & Technol | Solar system for generating steam |
| JP4712033B2 (en) * | 2005-04-01 | 2011-06-29 | 三菱化学メディエンス株式会社 | Biological sample complex automatic analyzer, automatic analysis method, and reaction cuvette |
| CN101413719B (en) | 2007-10-17 | 2011-10-12 | 中国科学院工程热物理研究所 | Tower type solar heat power generation system with double-stage thermal storage |
| CN102242699A (en) * | 2010-05-12 | 2011-11-16 | 中国科学院工程热物理研究所 | Double-stage heat storage trough type solar thermal power generation system |
| WO2011053863A3 (en) * | 2009-10-30 | 2012-05-31 | Areva Solar, Inc. | Dual fluid circuit system for generating a vaporous working fluid using solar energy |
| EP2487338A1 (en) * | 2011-02-11 | 2012-08-15 | Alstom Technology Ltd | Solar thermal power plant |
| CN102678489A (en) * | 2011-03-14 | 2012-09-19 | 中国科学院工程热物理研究所 | Parabolic trough type solar thermal power generation system |
| EP2525051A1 (en) * | 2011-05-20 | 2012-11-21 | Alstom Technology Ltd | Solar thermal power plant |
| JP2013242070A (en) * | 2012-05-18 | 2013-12-05 | Toshiba Corp | Steam generation system |
| CN103511207A (en) * | 2013-09-16 | 2014-01-15 | 青海中控太阳能发电有限公司 | Heat accumulation and exchange integrated tower-type solar power generation system |
| WO2014014027A1 (en) | 2012-07-17 | 2014-01-23 | バブコック日立株式会社 | Solar power system |
| EP2410177A4 (en) * | 2009-03-20 | 2014-05-28 | Abengoa Solar New Tech Sa | COMBINED SOLAR INSTALLATION WITH AIR-VAPOR TECHNOLOGY |
| US9297822B2 (en) | 2008-07-25 | 2016-03-29 | Roche Diagnostics Operations, Inc. | Laboratory system for handling sample tube racks, an alignment element for sample tube racks and a rack tray receiver assembly |
| WO2019188517A1 (en) * | 2018-03-29 | 2019-10-03 | 愛知製鋼株式会社 | Solar thermal power generation system |
-
1983
- 1983-12-07 JP JP58229791A patent/JPS60122865A/en active Granted
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63183346A (en) * | 1987-01-27 | 1988-07-28 | Agency Of Ind Science & Technol | Solar system for generating steam |
| JP4712033B2 (en) * | 2005-04-01 | 2011-06-29 | 三菱化学メディエンス株式会社 | Biological sample complex automatic analyzer, automatic analysis method, and reaction cuvette |
| CN101413719B (en) | 2007-10-17 | 2011-10-12 | 中国科学院工程热物理研究所 | Tower type solar heat power generation system with double-stage thermal storage |
| US9297822B2 (en) | 2008-07-25 | 2016-03-29 | Roche Diagnostics Operations, Inc. | Laboratory system for handling sample tube racks, an alignment element for sample tube racks and a rack tray receiver assembly |
| EP2410177A4 (en) * | 2009-03-20 | 2014-05-28 | Abengoa Solar New Tech Sa | COMBINED SOLAR INSTALLATION WITH AIR-VAPOR TECHNOLOGY |
| CN102753823A (en) * | 2009-10-30 | 2012-10-24 | 阿海珐太阳能公司 | Dual fluid circuit system for generating a vaporous working fluid using solar energy |
| WO2011053863A3 (en) * | 2009-10-30 | 2012-05-31 | Areva Solar, Inc. | Dual fluid circuit system for generating a vaporous working fluid using solar energy |
| CN102242699A (en) * | 2010-05-12 | 2011-11-16 | 中国科学院工程热物理研究所 | Double-stage heat storage trough type solar thermal power generation system |
| EP2487338A1 (en) * | 2011-02-11 | 2012-08-15 | Alstom Technology Ltd | Solar thermal power plant |
| WO2012107478A1 (en) * | 2011-02-11 | 2012-08-16 | Alstom Technology Ltd | Solar thermal power plant |
| CN102678489A (en) * | 2011-03-14 | 2012-09-19 | 中国科学院工程热物理研究所 | Parabolic trough type solar thermal power generation system |
| EP2525051A1 (en) * | 2011-05-20 | 2012-11-21 | Alstom Technology Ltd | Solar thermal power plant |
| WO2012159924A1 (en) * | 2011-05-20 | 2012-11-29 | Alstom Technology Ltd | Solar thermal power plant |
| CN103562503A (en) * | 2011-05-20 | 2014-02-05 | 阿尔斯通技术有限公司 | Solar thermal power station |
| US9605661B2 (en) | 2011-05-20 | 2017-03-28 | Alstom Technology Ltd. | Solar thermal power plant with independently controllable subsets of heliostats |
| JP2013242070A (en) * | 2012-05-18 | 2013-12-05 | Toshiba Corp | Steam generation system |
| WO2014014027A1 (en) | 2012-07-17 | 2014-01-23 | バブコック日立株式会社 | Solar power system |
| US9702541B2 (en) | 2012-07-17 | 2017-07-11 | Mitsubishi Hitachi Power Systems, Ltd. | Solar power system |
| CN103511207A (en) * | 2013-09-16 | 2014-01-15 | 青海中控太阳能发电有限公司 | Heat accumulation and exchange integrated tower-type solar power generation system |
| WO2019188517A1 (en) * | 2018-03-29 | 2019-10-03 | 愛知製鋼株式会社 | Solar thermal power generation system |
| JP2019173699A (en) * | 2018-03-29 | 2019-10-10 | 愛知製鋼株式会社 | Solar heat power generation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0222860B2 (en) | 1990-05-22 |
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