WO2014017539A1 - 太陽光熱変換装置およびこれを用いる太陽熱発電システム - Google Patents
太陽光熱変換装置およびこれを用いる太陽熱発電システム Download PDFInfo
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- WO2014017539A1 WO2014017539A1 PCT/JP2013/070045 JP2013070045W WO2014017539A1 WO 2014017539 A1 WO2014017539 A1 WO 2014017539A1 JP 2013070045 W JP2013070045 W JP 2013070045W WO 2014017539 A1 WO2014017539 A1 WO 2014017539A1
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- solar
- conversion device
- heat conversion
- lens
- hot water
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/72—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits being integrated in a block; the tubular conduits touching each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
- F24S23/31—Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
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- 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
- F24S2020/10—Solar modules layout; Modular arrangements
- F24S2020/18—Solar modules layout; Modular arrangements having a particular shape, e.g. prismatic, pyramidal
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- 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
- Y02E10/44—Heat exchange systems
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- 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 present invention relates to a solar thermal conversion device and a solar thermal power generation system using the solar thermal conversion device, and more particularly to a solar thermal conversion device that collects sunlight and converts it into thermal energy, and a solar thermal power generation system using the solar thermal conversion device.
- a hemispherical light-receiving member having a diameter larger than the diagonal of the quadrangular column is integrally formed with acrylic resin on the rectangular light-guiding member, and the solar cell is formed on the bottom surface of the light-guiding member.
- a solar light collecting device in which elements are arranged and a refractive surface is arranged on the entire surface of a light receiving member (see, for example, Patent Document 1).
- a transparent annular lens having the same cross-sectional shape as the W-shaped sun lens in which the conical auxiliary lens is coaxially embedded in the bottom surface of the inverted frustoconical main lens is arranged coaxially in the radial direction or the axial direction.
- the laminated solar lens configured to collect the light collected by the respective annular lenses with a light guide tube so as to narrow the distance between them, and connect to the solar lens to re-collect the light. It has been proposed (see, for example, Patent Document 2). With this laminated solar lens, it is possible to reduce the thickness and weight of the solar lens, and the cylindrical laminated solar lens laminated in the axial direction condenses sunlight incident from the side surface of the cylinder. It can handle low sunlight.
- the weight increases when the light receiving area is increased.
- the incident angle of sunlight is small, such as in the morning sun or sunset, it falls outside the range of the allowable incident angle and cannot be condensed.
- the above-described laminated solar lens also increases in weight when the light receiving area is increased.
- the solar heat conversion device of the present invention is mainly intended to efficiently collect sunlight and convert it into heat energy with a small, light and simple configuration.
- the main purpose of the solar thermal power generation system of the present invention is to efficiently generate power using thermal energy obtained by concentrating sunlight efficiently with a small, lightweight and simple configuration.
- the solar thermal conversion apparatus of the present invention and the solar thermal power generation system using the same have adopted the following means in order to achieve the above-mentioned main object.
- the solar heat conversion device of the present invention is A solar heat conversion device that condenses sunlight and converts it into heat energy,
- a polyhedron lens part constituted by a lens whose focal direction is the inner side of the polyhedron, at least a part of a surface forming a side part of a hollow polyhedron and a surface forming a top part;
- a light receiving heat generating part disposed inside the polyhedral lens part and receiving light from the lens to generate heat; It is a summary to provide.
- At least a part of the surface forming the top part and the side part forming the side part of the polyhedral lens part is constituted by a lens.
- Sunlight and reflected light of sunlight can be collected not only from the surface forming the top but also from the surface forming the side.
- all of the surfaces forming the side portions of the polyhedral lens portion are configured by lenses, light (sunlight, reflected light of sunlight, etc.) from all directions except the bottom surface can be collected. For this reason, even if the position of the sun changes with the passage of time, it can efficiently collect light and generate heat. As a result, sunlight can be efficiently condensed and converted into thermal energy with a small, light and simple configuration.
- the polyhedral lens portion is a regular hexahedron and all surfaces except the bottom surface are constituted by lenses, the polyhedral lens portion can be easily assembled. If the lens is configured as a Fresnel lens, the polyhedral lens portion can be reduced in weight.
- the light receiving and heating portion may be disposed so as to be located at the center of the bottom surface of the polyhedral lens portion.
- the light receiving and heating portion may include a plate-like bottom member and a pedestal portion that stands from the center of the bottom member so as to include the center of the polyhedral lens portion.
- the light receiving and heating unit may be formed to have a reverse T-shaped cross section.
- the shape of the light receiving and heating unit may be, for example, a cylindrical shape, a prismatic shape, or a conical shape.
- the light receiving and heating unit may have a flow path of a fluid to be heated inside or outside. If it carries out like this, a to-be-heated fluid can be heated and taken out with the heat
- the solar thermal power generation system of the present invention is The solar heat conversion device of the present invention in which the flow path of the fluid to be heated is formed inside the light receiving heat generating part, that is, the solar heat conversion device that basically collects sunlight and converts it into heat energy. And a polyhedral lens portion in which at least a part of a surface forming a side portion of a hollow polyhedron and a surface forming a top portion are configured by a lens whose focal direction is the inside of the polyhedron, and the inside of the polyhedral lens portion
- a solar heat conversion device in which a flow path of a fluid to be heated is formed inside or outside the light receiving heat generating portion, and a light receiving heat generating portion that receives light from the lens and generates heat. Using the heat of the heated fluid as a heat source in a power generation system using a Rankine cycle, This is the gist.
- the solar thermal power generation system of the present invention includes the solar heat conversion device of the present invention
- the effects of the solar heat conversion device of the present invention for example, the sun not only from the surface forming the top but also from the surface forming the side portion.
- the effect of being able to collect light and reflected light of sunlight, and the effect of being able to efficiently collect and generate heat even if the position of the sun changes over time caused by this effect Can play.
- the power generation system using the Rankine cycle is such that the working fluid having a lower boiling point than the fluid to be heated is a rotary heat engine, a condenser, and a pressure pump, an evaporator, and a generator. It is also possible to supply the heat of the heated fluid to the evaporator.
- water is used as a fluid to be heated, a hot water storage device, a heating flow path for supplying hot water heated by supplying cold water of the hot water storage device to the light receiving heat generating unit, and heat of the hot water storage device
- a cooling flow path for supplying water to the evaporator and returning water cooled by heat exchange with the working fluid to the hot water storage device.
- heat can be stored using common water. It is also possible to supply hot water stored in hot water, and energy efficiency can be further improved. Furthermore, energy efficiency can be further improved if the condenser is equipped with a supply channel that cools the working fluid with water to make the working fluid liquid and supplies water from the condenser to the hot water storage device. Can be made.
- FIG. 3 is a cross-sectional view showing an AA cross section of a bottom member 32 in FIG. 2.
- FIG. 3 is a cross-sectional view showing a BB cross section of the bottom member 32 and the standing member 42 in FIG. 2.
- It is a graph which shows the relationship between sunlight, reflected light, and direction by experimental data.
- It is a block diagram which shows the outline of a structure of the solar thermal power generation system 100 of an Example as a block.
- FIG. 1 is a configuration diagram showing an outline of the configuration of a solar heat conversion apparatus 20 as an embodiment of the present invention
- FIG. 2 is an exploded perspective view of the solar heat conversion apparatus 20 of the embodiment.
- the solar heat conversion apparatus 20 of an Example is provided with the polyhedral lens part 21 formed as a regular hexahedron, and the light-receiving / heating part 30 arrange
- the polyhedral lens portion 21 is composed of a top lens 22 that forms a top surface, side lenses 23 to 26 that form side surfaces, and a bottom surface member 27 that forms a bottom surface.
- the top lens 22 and the side lenses 23 to 26 are formed as Fresnel lenses using, for example, acrylic resin so that the focal point of parallel light is near or far from the center of the polyhedral lens unit 21, and the focal point is the polyhedral lens 21. It is attached to be inside.
- the light receiving and heating unit 30 is configured to have an inverted T-shaped cross section by standing a plate-like standing member 42 at the center of a bottom member 32 disposed at the center of the bottom member 27 of the polyhedral lens unit 21. ing.
- the bottom member 32 and the stance member 42 are made of metal such as stainless steel or aluminum, and a flow path for fluid such as water is formed therein.
- 3 shows an AA cross section of the bottom member 32 in FIG. 2
- FIG. 4 shows a BB cross section of the bottom member 32 and the standing leg member 42 in FIG.
- a fluid inlet hole 33 from the bottom direction and a fluid outlet hole 34 from the bottom direction are formed in the vicinity of both ends of the bottom member 32 where the standing member 42 is erected.
- two vertically symmetrical flow paths 35 and 36 are formed from the inlet hole 33 toward the outlet hole 34 in the AA cross section.
- a passage 45 is formed in the BB cross section of the standing member 42 so that the inlet 43 and the outlet 44 are aligned with the inlet hole 33 and the outlet hole 34 of the bottom member 32. Therefore, a fluid such as water flowing in from the inlet hole 33 flows in a divided manner into the three flow paths 35, 36, and 45, and merges and flows out in the outlet hole 34.
- the solar heat conversion apparatus 20 of the embodiment configured in this way will be described.
- the solar heat conversion apparatus 20 of the embodiment is installed on an outdoor horizontal plane such that the side lens 23 is east and the side lens 25 is west (the side lens 24 is north and the side lens 26 is south).
- the sunlight has a side lens 23 and a top lens 22 arranged in the east facing the sun, and a side lens 26 arranged in the south (the side arranged in the north in the early hours of summer morning).
- the light is directly incident from the lens 24), collected by the lenses 22, 23, 26 (, 24), and applied to the light receiving / heating unit 30.
- the side lens 23 arranged in the east facing no sunlight and the side lens 24 arranged in the north direction directly receive sunlight. Is not incident, but reflected light reflected by a surrounding building or the like is incident, collected by the lenses 23, 24 (, 26), and applied to the light receiving and heating unit 30.
- the light receiving and heating unit 30 generates heat, and enters the three flow paths 35, 36, and 45 formed inside the light receiving and heating unit 30.
- the fluid is flowing, the fluid is heated.
- FIG. 5 is a graph showing experimental data on the relationship between the sunlight and the electromotive force due to the direction of reflected light.
- the experiment was conducted using an experimental polyhedron with a solar panel with an electromotive force of 500 mV at maximum illuminance in each orientation of a regular hexahedron acrylic case, around 13:30 pm on a sunny day of spring (temperature is 21.6 ° C). ) was installed outdoors with the side facing east, west, south, and north.
- “above”, “east”, “west”, “south”, “north” are the top, east-facing side, west-facing side, south-facing side, north-facing side of the experimental polyhedron. Is shown.
- the hatched bar graph (the left bar graph) is a graph obtained by covering the ground within the range of 30 cm around the experimental polyhedron with black rubber in order to remove the reflected light from the ground. Shows the electromotive force of the solar panel in the azimuth, the unhatched bar graph (right bar graph) removes the black rubber from the ground within 30 cm around the experimental polyhedron to allow reflection from the ground It shows the electromotive force of the solar panel in each direction when As shown in the figure, since it is around 13:30 pm, a solar panel with a “right above” sunlight incident angle relatively close to 90 degrees has a high electromotive voltage (approximately 450 mV), but the incident angle of sunlight is small, but the direct incident “west” and “south” solar panels are about 60 to 70% of the electromotive voltage of the “directly above” solar panel.
- An electromotive voltage (about 250 mV to 300 mV) is generated.
- an electromotive voltage of about 30% to 40% (about 150 mV to 200 mV) is generated relative to the electromotive voltage of the “directly above” solar panel. Has occurred. Further, in any orientation, the electromotive voltage is higher when the ground within the range of 30 cm around the experimental polyhedron is not covered with black rubber.
- the top lens 22 and the side lenses 23 to 26, which are formed as a square Fresnel lens with an acrylic resin, and the bottom member 27 are formed into a regular hexahedron shape. Since the cross-section composed of the bottom member 32 and the pedestal member 42 is formed in the center of the polyhedral lens portion 21 and the bottom surface member 27 on the inner side of the polyhedral lens portion 21, the light receiving and heating portion 30 has an inverted T-shape. It is possible to generate heat by efficiently collecting sunlight and its reflected light from sunrise to sunset with a simple configuration. Further, since each of the lenses 22 to 26 is configured as a Fresnel lens, it can be made lightweight.
- the polyhedral lens part 21 is configured as a regular hexahedron with all the surfaces except the bottom surface formed by lenses, but the shape of the polyhedral lens part is not limited to a regular hexahedron, and is triangular or pentagonal.
- the polygonal prism shape described above may be used, and a pyramid shape such as a regular tetrahedron, a triangular pyramid, or a quadrangular pyramid may be used. Further, it is not necessary to configure all surfaces except the bottom surface as lenses, and some surfaces that do not receive sunlight may not be configured as lenses.
- each of the lenses 22 to 26 is configured as a Fresnel lens using acrylic resin, but may be configured as a Fresnel lens using glass or the like. Further, each of the lenses 22 to 26 may be configured as a convex lens.
- the light receiving and heating unit 30 is configured to be an inverted T shape by the bottom member 32 and the standing member 42, but it is sufficient that the condensed light is irradiated.
- a shape other than the inverted T-shape for example, a shape in which a column member such as a cylinder or a prism is formed in the center of the bottom member, or a pyramid shape such as a cone shape, a triangular pyramid, or a quadrangular pyramid may be used.
- the three flow paths 35, 36, and 45 are formed as the flow paths of the fluid inside the light receiving and heating unit 30, but a single flow path is formed. Two channels or four or more channels may be formed.
- the fluid flow path may be formed so as to be in contact with the outer wall of the light receiving and heating unit so that heat can be exchanged.
- FIG. 6 is a block diagram illustrating a schematic configuration of the solar thermal power generation system 100 of the embodiment as a block.
- the solar thermal power generation system 100 includes a solar heat conversion device 20, a hot water storage device 110 that stores hot water heated by the solar heat conversion device 20, and Rankine cycle power generation that uses the hot water from the hot water storage device 110 to generate electric power.
- System 120 includes a solar heat conversion device 20, a hot water storage device 110 that stores hot water heated by the solar heat conversion device 20, and Rankine cycle power generation that uses the hot water from the hot water storage device 110 to generate electric power.
- the hot water is stored in the uppermost part and the coldest water (cold water) is stored in the lowermost part of the water stored in the hot water storage 110 due to the specific gravity depending on the temperature.
- the upper part including the uppermost part is referred to as a hot water part
- the lower part including the lowermost part is referred to as a cold water part
- the middle is referred to as a hot water part.
- the cold water part of the hot water storage device 110 and the inlet hole 33 of the light receiving heat generating part 30 of the solar heat conversion device 20 are connected by a cold water supply pipe 131, and the outlet hole 33 of the light receiving heat generating part 30 of the solar heat conversion device 20 and the water heater.
- the hot water section 110 is connected by a hot water return pipe 132. Accordingly, water (cold water) is supplied from the hot water storage device 110 to the light receiving heat generating unit 30 of the solar heat conversion device 20, and the cold water is heated by the light receiving heat generating unit 30 of the solar heat conversion device 20 to be hot water in the hot water storage device 110. Returned to the department.
- the Rankine cycle power generation system 120 is a cycle in which a working fluid having a boiling point lower than that of water (for example, alternative chlorofluorocarbon) is circulated through the circulation passage 121.
- the circulation passage 121 includes a pressurizing pump 122 that pressurizes the working fluid.
- the drive shaft connected to the generator 129 is rotationally driven by the pressure difference between the evaporator 124 that evaporates and vaporizes the pressurized working fluid and the gas working fluid that is supplied and the gas working fluid that is discharged.
- a rotary heat engine 126 and a condenser 128 for liquefying the working fluid discharged from the rotary heat engine 126 are provided.
- the evaporator 124 is provided with a heat exchange channel 124a for exchanging heat to vaporize the working fluid.
- the inlet 124b of the heat exchange channel 124a is connected to the hot water portion of the hot water storage device 110 by a hot water supply pipe 133, and the outlet 124c of the evaporator 124 is connected to the hot water portion of the hot water storage device 110 by a hot water return pipe 134. ing. Therefore, hot water is supplied from the hot water storage device 110 to the evaporator 124, and the hot water cooled by heat exchange with the working fluid is returned to the hot water portion of the hot water storage device 110.
- the condenser 128 is provided with a heat exchange channel 128a for exchanging heat to liquefy the working fluid.
- a cold water supply pipe 135 for supplying cold water (for example, tap water) from the outside of the system is connected to the inlet 128b of the heat exchange flow path 128a, and an outlet 128c of the heat exchange flow path 128a is a hot water section of the hot water storage device 110.
- the cold / hot water supply pipe 136 is connected to the lower part (or the upper part of the cold water part). Therefore, cold water from the outside of the system is supplied to the condenser 128, and cold / warm water heated by heat exchange with the working fluid is supplied to the lower part of the hot water part of the hot water storage device 110 (or the upper part of the cold water part).
- the rotary heat engine 126 is configured as a heat engine capable of rotating the generator 129 even with a slight pressure difference, and operates at a temperature difference of about 50 ° C.
- a hot water supply pipe 137 for hot water supply is attached to the hot water section and the hot water section of the hot water storage device 110, and the hot water and hot water in the hot water storage device 110 are mixed with tap water to adjust to a desired temperature to supply hot water. It can be done.
- cold water is heated by the solar heat conversion device 20 from sunrise to sunset and stored in the hot water storage 110 as hot water, and the hot water stored in the hot water storage 110 is evaporated when electric power is required.
- the Rankine cycle power generation system 120 is operated to generate power.
- the solar heat conversion device 20 efficiently collects sunlight and stores the heat converted into thermal energy in the hot water storage 110, and if necessary, the Rankine cycle power generation system. Since power is generated by operating 120, electric power can be obtained at a desired time regardless of the presence or absence of sunlight. Moreover, the hot water cooled by the evaporator 124 is returned to the hot water storage device 110, the hot and cold water heated by the condenser 128 is supplied to the hot water storage device 110, and hot water and hot water stored in the hot water storage device 110 are supplied. By supplying hot water, the energy efficiency of the entire system can be improved.
- the hot water cooled by the evaporator 124 is returned to the hot water storage device 110 and the hot and cold water heated by the condenser 128 is supplied to the hot water storage device 110.
- the hot water cooled by 124 or the hot / cold water heated by the condenser 128 may be supplied to others, for example, hot water may be supplied.
- hot water or hot water stored in the hot water storage 110 is supplied, but the hot water may not be supplied from the hot water storage 110.
- a pressurizing pump 122 an evaporator 124, a rotary heat engine 126, and a condenser 128 are provided in a circulation passage 121 through which a working fluid circulates.
- a steam turbine and a condenser in which a pressure pump, a heater, and a generator are attached to the circulation flow path may be provided.
- water is used as a fluid heated by the solar thermal conversion device 20, and a fluid having a lower boiling point than water (for example, alternative CFC) is used as a working fluid of the Rankine cycle power generation system 120.
- a fluid to be heated other than water may be used as the fluid heated by the converter 20, and a fluid having a boiling point lower than that of the fluid to be heated may be used as the working fluid of the Rankine cycle power generation system 120.
- a heat storage device that stores the fluid to be heated may be used, and hot water supply may not be performed.
- the present invention can be used in the manufacturing industry of solar thermal conversion devices and solar power generation systems.
Abstract
Description
太陽光を集光して熱エネルギーに変換する太陽光熱変換装置であって、
中空の多面体の側部を形成する面の少なくとも一部と頂部を形成する面を、焦点方向が前記多面体の内側となるレンズにより構成した多面体レンズ部と、
前記多面体レンズ部の内部に配置され、前記レンズからの光を受光して発熱する受光発熱部と、
を備えることを要旨とする。
受光発熱部の内部に被加熱流体の流路が形成されている態様の本発明の太陽光熱変換装置、即ち、基本的には、太陽光を集光して熱エネルギーに変換する太陽光熱変換装置であって、中空の多面体の側部を形成する面の少なくとも一部と頂部を形成する面を、焦点方向が前記多面体の内側となるレンズにより構成した多面体レンズ部と、前記多面体レンズ部の内部に配置され、前記レンズからの光を受光して発熱する受光発熱部と、を備え、前記受光発熱部の内部または外部に被加熱流体の流路が形成されている太陽光熱変換装置を備え、
前記被加熱流体の熱をランキンサイクルを利用した発電システムにおける熱源として用いて発電する、
ことを要旨とする。
Claims (11)
- 太陽光を集光して熱エネルギーに変換する太陽光熱変換装置であって、
中空の多面体の側部を形成する面の少なくとも一部と頂部を形成する面を、焦点方向が前記多面体の内側となるレンズにより構成した多面体レンズ部と、
前記多面体レンズ部の内部に配置され、前記レンズからの光を受光して発熱する受光発熱部と、
を備える太陽光熱変換装置。 - 請求項1記載の太陽光熱変換装置であって、
前記多面体レンズ部は、正六面体であり、底面を除く全ての面がレンズにより構成されている、
太陽光熱変換装置。 - 請求項1または2記載の太陽光熱変換装置であって、
前記レンズは、フレネルレンズとして構成されている、
太陽光熱変換装置。 - 請求項1ないし3のうちのいずれか1つの請求項に記載の太陽光熱変換装置であって、
前記受光発熱部は、前記多面体レンズ部の底面の中央に位置するように配置されている、
太陽光熱変換装置。 - 請求項4記載の太陽光熱変換装置であって、
前記受光発熱部は、板状の底部材と、前記底部材の中央から前記多面体レンズ部の中心を含むように立脚する立脚部材と、を有する、
太陽光熱変換装置。 - 請求項5記載の太陽光熱変換装置であって、
前記受光発熱部は、断面が逆T字型となるよう形成されている、
太陽光熱変換装置。 - 請求項1ないし6のうちいずれか1つの請求項に記載の太陽光熱変換装置であって、
前記受光発熱部は、内部または外部に被加熱流体の流路が形成されている、
太陽光熱変換装置。 - 請求項7記載の太陽光熱変換装置を備え、前記被加熱流体の熱をランキンサイクルを利用した発電システムにおける熱源として用いて発電する太陽熱発電システム。
- 請求項8記載の太陽熱発電システムであって、
前記ランキンサイクルを利用した発電システムは、前記被加熱流体より沸点が低い作動流体が加圧ポンプ、蒸発器、発電機が取り付けられたロータリー熱エンジン、復水器の順に循環するシステムであり、
前記被加熱流体の熱を前記蒸発器に供給する、
太陽熱発電システム。 - 請求項9記載の太陽熱発電システムであって、
前記被加熱流体は水であり、
更に、
貯湯器と、
前記貯湯器の冷水を前記受光発熱部に供給して加熱された熱水を前記貯湯器に戻す加熱流路と、
前記貯湯器の熱水を前記蒸発器に供給して前記作動流体との熱交換により冷却した水を前記貯湯器に戻す冷却流路と、
を備える太陽熱発電システム。 - 請求項10記載の太陽熱発電システムであって、
前記復水器は、水により前記作動流体を冷却して該作動流体を液体とするものであり、
前記復水器からの水を前記貯湯器に供給する供給流路を備える、
太陽熱発電システム。
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EP13823845.6A EP2878898A4 (en) | 2012-07-25 | 2013-07-24 | DEVICE FOR CONVERTING SUNROOM HEAT AND SOLAR POWER GENERATION SYSTEM THEREWITH |
JP2014526974A JPWO2014017539A1 (ja) | 2012-07-25 | 2013-07-24 | 太陽光熱変換装置およびこれを用いる太陽熱発電システム |
IN1433DEN2015 IN2015DN01433A (ja) | 2012-07-25 | 2013-07-24 |
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Cited By (2)
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JP6059398B1 (ja) * | 2016-09-28 | 2017-01-11 | 株式会社Ihi | バイナリ発電システム |
JP6097897B1 (ja) * | 2017-01-10 | 2017-03-15 | 株式会社Ihi | バイナリ発電システム |
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AU2016434337B9 (en) * | 2016-12-30 | 2020-10-08 | Bolymedia Holdings Co. Ltd. | Concentrating solar apparatus |
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JPWO2014017539A1 (ja) | 2016-07-11 |
EP2878898A4 (en) | 2016-08-17 |
EP2878898A1 (en) | 2015-06-03 |
IN2015DN01433A (ja) | 2015-07-03 |
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