CN107061203A - A kind of solar energy Stirling electricity generation system - Google Patents
A kind of solar energy Stirling electricity generation system Download PDFInfo
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- CN107061203A CN107061203A CN201710326087.5A CN201710326087A CN107061203A CN 107061203 A CN107061203 A CN 107061203A CN 201710326087 A CN201710326087 A CN 201710326087A CN 107061203 A CN107061203 A CN 107061203A
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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
- F03G6/068—Devices for producing mechanical power from solar energy with solar energy concentrating means having other power cycles, e.g. Stirling or transcritical, supercritical cycles; combined with other power sources, e.g. wind, gas or nuclear
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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
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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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
Abstract
The present invention relates to a kind of solar energy Stirling electricity generation system, including dish-style concentrator, solar heat collector, energy storage device and stirling generator；The dish-style concentrator is used for reflecting focal sunshine；The solar heat collector is used to absorb solar radiation and solar energy is changed into heat energy；The solar heat collector is connected with the energy storage device using flexible high temperature heat pipe；The energy storage device uses with stirling generator and contacts connection.The solar energy Stirling electricity generation system that the present invention is provided passes through in overall structure that solar heat collector and heat-storing device, stirling generator is arranged apart, solar heat collector is connected by heat with energy storage device using flexible heat pipe, realize solar heat collector and energy storage device, the separation of stirling generator, so that the quality and size of energy storage device are unrestricted, the storage of Large Copacity heat can be achieved, it is preferably to be used for the high-power Stirling electricity generation system of energy storage type.
Description
Technical field
The present invention relates to solar energy generation technology field, particularly a kind of solar energy Stirling electricity generation system.
Background technology
With the increasingly reduction of the non-renewable energy resources such as being continuously increased of consuming of global energy and oil, energy shortage is
Through the significant problem as influence people life and restriction social development, increase is all being tried to regenerative resource in countries in the world
Development and utilization.In the regenerative resource of huge number, solar energy resources enriches very much, and the development and utilization to solar energy is non-
Normal important, the development and utilization especially to solar energy generation technology.
In solar energy generation technology, concentrating solar Stirling generates electricity to be obtained because it has higher generating efficiency
Substantial amounts of research, application prospect is preferable.Different with conventional power plants to be, it is to pass through that concentrating solar Stirling, which generates electricity,
Assemble solar radiation and obtain heat energy, directly generated electricity using heat-driven Stirling-electric hybrid.Currently, concentration type solar generates electricity
It can be divided into according to solar energy acquisition mode：Tower type solar Stirling generates electricity, groove type solar Stirling generates electricity, the dish-style sun
Can Stirling generating.Dish-style energy storage type solar Stirling electricity generation system be currently with rate highest helioplant,
The characteristics of with environmental protection, cleanliness without any pollution, low operating cost；Compared with solar energy power generating, its solar energy high conversion efficiency,
Without inverter, lifetime of system is long the characteristics of, and achieve that twenty four hours not by heat-storing device reasonable in design
Interval generation, can be used in the area extensive use of water shortage, sunshine-duration length.Compared to trough system and tower system, band storage
The disk system of energy can improve the comprehensive utilization ratio of land resource, such as hillside fields, median, building top, island.With
The progress of stirling generator technology, high-power stirling generator is used widely in solar power system.
However, integral solar heat storage type Stirling electricity generation system widely used at present is by thermal-arrest, heat accumulation, generating electricity is
System, which is integrated, to be distributed at the focal point of dish-style solar panel, and such electricity generation system has been difficult to meet following Large Copacity storage
Heat and the demand for continuing tidal time difference.Although can be realized by the size and quality that increase integral type heat accumulation TRT
High-power prolonged energy storage, but many adverse effects can be produced to whole system：Heat accumulation TRT size increase can subtract
The light-receiving area of few dish-style concentrator, reduces systems, spot efficiency, and the quality increase of heat accumulation TRT improves solar irradiation
The load of tracing system, and cause the lifting of whole system center of gravity, installation, maintenance and the mechanics for being unfavorable for whole device are stable
Property.
The content of the invention
To solve problems of the prior art, the present invention provides a kind of solar energy Stirling electricity generation system.
A kind of solar energy Stirling electricity generation system provided in an embodiment of the present invention, including dish-style concentrator, solar heat collector,
Energy storage device and stirling generator；The dish-style concentrator is used for reflecting focal sunshine；The solar heat collector is used for
Absorb solar radiation and solar energy is changed into heat energy；The solar heat collector uses flexible high temperature heat pipe with the energy storage device
Connection；The energy storage device uses with Stirling motor and contacts connection.
Further, the energy storage device includes casing, phase-changing energy storage material, thermal insulation layer and thick heat pipe；The casing
Two end faces be respectively heat entrance face and heat outlet end face, the heat entrance face is provided with heat entrance, described
Heat outlet end face is made of the good sheet metal of heat conductivility；The phase-changing energy storage material is interior located at the casing
Portion；The thick heat pipe is located at the casing axis line position and through the casing；Liquid working substance is provided with the thick heat pipe；Institute
State thermal insulation layer located at the casing heat entrance face and the phase-changing energy storage material between, and the thick heat pipe with it is described
Between phase-changing energy storage material.
Further, thin heat pipe, the first end of the thin heat pipe and the heat of the casing are provided with the energy storage device
Exit end face is connected, and the second end of the thin heat pipe is provided with liquid work in the phase-changing energy storage material in the thin heat pipe
Matter.
Further, the energy storage device and the stirling generator are located at the back side of the dish-style concentrator.
Further, the phase-changing energy storage material includes molten salts.
Further, the evaporating temperature of the liquid working substance in the thick heat pipe is higher than the fusing point of the phase-changing energy storage material.
Further, the evaporating temperature of the liquid working substance in the thin heat pipe is less than the fusing point of phase-changing energy storage material.
The solar energy Stirling electricity generation system that the present invention is provided is by filling solar heat collector and heat accumulation in overall structure
Put, stirling generator it is arranged apart, solar heat collector is connected by heat with energy storage device using flexible heat pipe, the sun is realized
Heat collector and energy storage device, the separation of stirling generator so that the quality and size of energy storage device are unrestricted, can be achieved big
The storage of capacity heat, is suitable for the high-power Stirling electricity generation system of energy storage type.Separation in this structure so that influence dish
Formula concentrator light-receiving area is significantly reduced, and improves the light-receiving area and concentration ratio of dish-style concentrator, and is easy to whole system
Extension and maintenance.The mechanical stability of system is good, and center of gravity is low, reduces the load of illumination tracing system；It will not produce because poly-
The motion of photosystem and influence is produced on energy storage device and stirling generator, core component is protected to greatest extent.In addition,
By rationally designing energy storage device, by thin heat pipe intensified phase-change material heat accumulation heat release rate, thick Heat Pipes thermal switch effect,
Improve the thermal efficiency of whole system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of solar energy Stirling power generation system structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 be a kind of solar energy Stirling electricity generation system provided in an embodiment of the present invention in energy storage device structural representation
Figure；
Fig. 3 shows for the structure of the energy storage device in another solar energy Stirling electricity generation system provided in an embodiment of the present invention
It is intended to；
Fig. 4 is the energy storage device in a kind of solar energy Stirling electricity generation system provided in an embodiment of the present invention in phase-change accumulation energy
During heat transfer schematic diagram；
Fig. 5 is that the energy storage device in a kind of solar energy Stirling electricity generation system provided in an embodiment of the present invention discharges in phase transformation
Heat transfer schematic diagram in energy process；
Fig. 6 is a kind of heat transfer schematic diagram of solar energy Stirling electricity generation system provided in an embodiment of the present invention；
Description of reference numerals:
100-dish-style concentrator；200-solar heat collector；300-energy storage device；
301-casing；302-heat entrance face；303-heat outlet end face；
304-phase-changing energy storage material；305-thick heat pipe；306-thermal insulation layer；
307-thin heat pipe；400-stirling generator；500-flexible high temperature heat pipe.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is a kind of solar energy Stirling power generation system structure schematic diagram provided in an embodiment of the present invention, as shown in figure 1,
Including dish-style concentrator 100, solar heat collector 200, energy storage device 300, stirling generator 400；
The dish-style concentrator 100 is used for reflecting focal sunshine；
The solar heat collector 200 is used to absorb solar radiation and solar energy is changed into heat energy；
The solar heat collector 200 is connected with the energy storage device 300 using flexible high temperature heat pipe 500；
The energy storage device 300 uses with stirling generator 400 and contacts connection.
In order to clearly explain the embodiment of the present invention, a specific example is set forth below.
Dish-style concentrator 100 is made up of many parabola eyeglasses, when solar irradiation is mapped on dish-style concentrator 100, the sun
Light gathers focal point through the reflection of dish-style concentrator 100, and the solar heat collector 200 installed in focal point absorbs the solar energy of aggregation
And it is converted into heat energy.Because solar heat collector 200 is connected with energy storage device 300 by flexible high temperature heat pipe 500, sun set
Heat in hot device 200 can heat the liquid working substance in the evaporator section of high temperature flexible heat pipe 500, the tube core of flexible high temperature heat pipe 500
Heated evaporation flows to the condensation segment connected with phase-change energy storage device 200 with heat along central passage, and in condensation segment, steam coagulates
Form liquid, while discharging latent heat and delivering heat to phase-change energy storage device 200, in the presence of capillary force, flexible high temperature
Liquid working substance in the condensation segment of heat pipe 500 is back to evaporator section, forms a loop, realizes amount of heat from solar heat-collection
Device 200 quickly passes to phase-change energy storage device 300.Because energy storage device 300 and stirling generator 400 directly contact connection, heat
Amount is transferred directly to stirling generator 400 by energy storage device 300, is used for the direct generation of electricity of Stirling motor 400, unnecessary
Heat be then stored in energy storage device 300, in the case of no solar radiation for Stirling motor 300 provide heat energy so as to
Generate electricity.By taking high-power 25KW stirling generator as an example, if energy storage six hours is, it is necessary to which 3t NaCl fuse salts are used as energy storage material
Material, if thermal-arrest, heat accumulation, electricity generation system to be integrated to the focal point for being distributed in dish-style solar panel into existing integral structure
Place, the energy storage device of such quality and size has inevitably blocked the light-receiving area of solar panel, and reduce solar energy has
Light gathering efficiency is imitated, also make it that whole electricity generation system center of gravity height, stability are poor, illumination tracing system will drive solar panel and whole storage
Heat generating system is run, and load is high, or even integration difficult to realize.So, using flexible high temperature heat pipe by energy storage device 300 with
Solar heat collector 200 is attached, i.e., solar heat collector 200 is realized with energy storage device 300 and be spatially separating, can be as needed
Energy storage device 300 and stirling generator 400 are placed on diverse location, the quality and size of energy storage device 200 are unrestricted
System, can be achieved the storage of Large Copacity heat.
A kind of solar energy Stirling electricity generation system that the present embodiment is provided, by solar heat collector and heat accumulation in overall structure
Device, stirling generator are arranged apart, and heat is imported into energy storage device from solar heat collector using flexible heat pipe, realized too
Positive heat collector and the separation of energy storage device, stirling generator spatially so that the quality and size of energy storage device are unrestricted
System, it is preferably to be used for the high-power Stirling electricity generation system of energy storage type；In addition, influence dish-style concentrator light-receiving area is significantly reduced,
The light-receiving area and concentration ratio of dish-style concentrator are improved, and is easy to the extension and maintenance of whole system.
Further, on the basis of above-described embodiment, as shown in Fig. 2 the energy storage device includes casing 301, phase transformation
Energy storage material 304, thick heat pipe 305 and thermal insulation layer 306；
Two end faces of the casing 301 are respectively heat entrance face 302 and heat outlet end face 303；
The heat entrance face 303 is provided with heat entrance；
The heat outlet end face 303 is made of the good sheet metal of heat conductivility；
The phase-changing energy storage material 304 is located at the inside of the casing 301；
The thick heat pipe 305 is located at the casing axis line position and through the casing 301；
Liquid working substance is provided with the thick heat pipe；
The thermal insulation layer 306 is located between the heat entrance face 302 of the casing and the phase-changing energy storage material 304,
And between the thick heat pipe 305 and the phase-changing energy storage material 304.
Specifically, in the case where daylight is sufficient, sunshine focuses on sun set by the reflection of dish-style concentrator 100
On hot device 200, solar heat collector 200 absorbs the solar energy of aggregation and is converted into heat energy, is connected with solar heat collector 200
It is transferred to after liquid working substance absorption heat in flexible high temperature heat pipe 500 along flexible high temperature heat pipe 500 thick in energy storage device 300
Heat pipe 305.Because thick heat pipe 305 runs through the casing of energy storage device, one end of thick heat pipe 305 is connected with flexible high temperature heat pipe 500,
The other end is connected with heat outlet end face 303, and the heat being transferred in thick heat pipe 305 can be transmitted directly to heat along thick heat pipe and go out
Mouth end face 303.It is hot because the heat outlet end face 303 of stirling generator 400 and energy storage device 300 using face contact connection
Amount directly can pass to stirling generator 400 by heat outlet end face 303, generate electricity and use for stirling generator.Due to
Phase-changing energy storage material 304 is directly contacted with heat outlet end face 303, and unnecessary heat can be transferred to by heat outlet end face 303
In phase-changing energy storage material 304, phase-change heat-storage material 304 is undergone phase transition after absorbing heat, stores energy in phase-change heat-storage material
It is internal.In the case of night or illumination are insufficient, reverse phase transformation occurs for phase-change heat-storage material 304 to discharge heat, heat
Amount is transferred in stirling generator 400 along heat outlet end face 303 to be used for generating.Due to thick heat pipe 305 and the phase
Thermal insulation layer 306 is provided between change energy-storage material 304, thermal insulation layer ensure that heat first along thick heat pipe 305 via heat outlet
End face 303 is transferred to stirling generator, it is ensured that stirling generator generates electricity first when daylight is sufficient, then again will be unnecessary
Energy stores are in phase-changing energy storage material；Simultaneously as the heat entrance face 302 of casing and the phase-changing energy storage material 304
Between also be provided with thermal insulation layer 306, in the case of night or illumination are insufficient, reduce the mistake that phase-changing energy storage material releases energy
Heat is lost in along reverse in journey.
Further, the evaporating temperature of the liquid working substance in the thick heat pipe is higher than the fusing point of the phase-changing energy storage material.
Specifically, because the evaporating temperature of liquid working substance in thick heat pipe is greater than the phase transition temperature of phase-changing energy storage material, so at night
Or will not just be undergone phase transition in the case of illumination is insufficient, in energy storage device will thick heat during energy storage material solidification release heat
Liquid working substance heating evaporation in pipe, and then heat entrance face release of the heat from heat-storing device is produced, to realize the list of heat
To transmission, the effect of thermal switch is reached.One kind that the present embodiment is provided is used for solar energy Stirling electricity generation system, by energy storage
Thick adopting heat pipes for heat transfer is used in device and realizes that thermal switch effect, thermal insulation layer are heat-insulated, phase-changing energy storage material heat accumulation realizes heat
Efficiently utilize, reduce the dissipation of heat.
Further, on the basis of above-described embodiment, as shown in figure 3, being additionally provided with thin heat pipe in the energy storage device 300
307, the first end of the thin heat pipe 307 is connected with the heat outlet end face 303 of the casing, and the second of the thin heat pipe 307
End is provided with liquid working substance in the phase-changing energy storage material 304 in the thin heat pipe.
Further, the evaporating temperature of liquid working substance is less than the phase transition temperature of phase-changing energy storage material in thin heat pipe.
Specifically, the energy storage device 300 includes casing 301, phase-changing energy storage material 304, thick heat pipe 305, thermal insulation layer 306
And thin heat pipe 307.Fig. 4 and Fig. 5 are respectively heat transfer schematic diagram and phase transformation of this energy storage device during phase-change accumulation energy
Heat transfer schematic diagram during releasing energy, as shown in Figure 4 and Figure 5, when solar thermal collector 200 absorbs the solar energy of aggregation
And convert it into after heat energy, the heat transfer of whole system is as shown in fig. 6, heat is via flexible high temperature heat pipe 500, thick heat pipe
305 are delivered to the heat outlet end face 303 of casing 301, and a part of heat is used to generate electricity for stirling generator, another part heat
Amount is then stored in phase-changing energy storage material, and released energy when illumination is not enough by solidification uses so that stirling generator generates electricity
Because the thermal conductivity factor of conventional phase-changing energy storage material is less than 0.5W/mk, no matter the solidification in phase-changing energy storage material is still melted
During, if relying only on the transmission that phase-changing energy storage material realizes heat, 0.5W/mk can not meet the quick conduction of heat.By
There is high thermal conductivity in thin heat pipe 307, unnecessary heat can be taken away by thin heat pipe 307 in time and enter phase-changing energy storage material
304.In addition, in thermal energy storage process, because heat reaches heat outlet end face 303 along thick heat pipe 305 at first, compared to heat
Exit end face 303, phase-changing energy storage material 304 is equivalent to low-temperature end, so that in heat outlet end face 303 and phase-changing energy storage material
Thermograde is established between 304, heat flows constantly into phase-changing energy storage material, it is ensured that the perseverance of stirling generator temperature
It is fixed, it is to avoid hot spot phenomenon occur and temperature is too high.In the case of night no light, solidification release heat occurs for phase-changing energy storage material
Amount, and deliver heat to the thin heat pipe 307 being arranged on inside phase-changing energy storage material and be directly passed to heat outlet end face
303, heat enters stirling generator along thin heat pipe via heat outlet end face, and then realizes that stirling generator generates electricity.
Because thin heat pipe 307 is only installed at the heat outlet end face of casing, without the whole energy storage device of insertion, while in heat arrival end
Thermal insulation layer is set between face 302 and phase-changing energy storage material 304, the maximum limit so during phase-changing energy storage material release heat
That spends reduces heat from the dissipation of the heat entrance face of energy storage device, improves the heating efficiency of thermal energy storage process.This
Outside, because the evaporating temperature of liquid working substance in thin heat pipe is less than the phase transition temperature of phase-changing energy storage material, so no matter in energy storage
In journey or exoergic process, thin heat pipe can be run, it is possible to achieve the effect of phase-change material heat conduction reinforcing.
One kind that the present embodiment is provided is used for solar energy Stirling electricity generation system, by using thick heat pipe in energy storage device
Conduct heat and realize that thermal switch effect, thin heat pipe intensified heat conduction, thermal insulation layer are heat-insulated, the efficient profit of heat is realized to greatest extent
With reducing the dissipation of heat.
Further, on the basis of above-described embodiment, the energy storage device 300 and the stirling generator 400
It is located at the back side of the dish-style concentrator 100.
Specifically, as shown in figure 1, energy storage device 300 and stirling generator 400 are both placed on ground and in dish-style
The back side of concentrator 100, its energy transfer process is as described in above-mentioned embodiment.In the present embodiment, by energy storage device 300 and this
Special woods generator 400 is both placed on ground and at the back side of dish-style concentrator so that in the favorable expandability of whole system, system
Without considering the influence of energy storage device and stirling generator to dish-style concentrator, the light-receiving area of dish-style concentrator increases,
And the mechanical stability of system is good, center of gravity is low, and energy storing and electricity generating equipment several tons heavy can be directly placed in into ground, reduces simultaneously
The load of illumination tracing system；It will not produce and shadow is produced to energy storage device and stirling generator because of the motion of condenser system
Ring, core component is protected to greatest extent.
Further, on the basis of above-described embodiment, the phase-changing energy storage material 304 includes molten salts.
Specifically, it is different according to the power of stirling generator and system stored energy demand, the energy storage device being designed correctly
300, select suitable phase-changing energy storage material 304.Wherein, phase-changing energy storage material can be molten salts, molten salts phase transformation storage
The transition temperature range of energy material is wide (250 DEG C -850 DEG C), according to electricity generation system demand, the suitable fuse salt of selection phase transition temperature
Heat storage is realized, is used so that stirling generator generates electricity in the case of night and daylight are insufficient.
One kind that the present embodiment is provided is used for solar energy Stirling electricity generation system, by using flexible high temperature heat pipe by the sun
Heat collector is attached with energy storage device so that solar heat collector and energy storage device, stirling generator are spatially separated from, and are made
The quality and size for obtaining energy storage device are unrestricted, by selecting suitable phase-change heat-storage material, energy storage device can be stored up
Deposit enough heats and generated electricity for high-power Stirling electricity generation system under the conditions of night or daylight are insufficient and used, storage can be achieved
Can the high-power Stirling-electric hybrid generating of formula.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (7)
1. a kind of solar energy Stirling electricity generation system, it is characterised in that including dish-style concentrator, solar heat collector, energy storage device
And stirling generator；
The dish-style concentrator is used for reflecting focal sunshine；
The solar heat collector is used to absorb solar radiation and solar energy is changed into heat energy；
The solar heat collector is connected with the energy storage device using flexible high temperature heat pipe；
The energy storage device uses with stirling generator and contacts connection.
2. solar energy Stirling electricity generation system according to claim 1, it is characterised in that the energy storage device includes case
Body, phase-changing energy storage material, thermal insulation layer and thick heat pipe；
Two end faces of the casing are respectively heat entrance face and heat outlet end face, and the heat entrance face is provided with warm
Entrance is measured, the heat outlet end face is made of the good sheet metal of heat conductivility；
The phase-changing energy storage material is located at the inside of the casing；
The thick heat pipe is located at the casing axis line position and through the casing；
Liquid working substance is provided with the thick heat pipe；
The thermal insulation layer is between the heat entrance face and the phase-changing energy storage material of the casing, and the thick heat pipe
Between the phase-changing energy storage material.
3. solar energy Stirling electricity generation system according to claim 2, it is characterised in that provided with thin in the energy storage device
Heat pipe, the first end of the thin heat pipe is connected with the heat outlet end face of the casing, and the second end of the thin heat pipe is located at institute
State in phase-changing energy storage material, liquid working substance is provided with the thin heat pipe.
4. solar energy Stirling electricity generation system according to claim 1, it is characterised in that the energy storage device and described
Stirling generator is located at the back side of the dish-style concentrator.
5. solar energy Stirling electricity generation system according to claim 2, it is characterised in that the phase-changing energy storage material includes
Molten salts.
6. solar energy Stirling electricity generation system according to claim 2, it is characterised in that the fluid work in the thick heat pipe
The evaporating temperature of matter is higher than the fusing point of the phase-changing energy storage material.
7. solar energy Stirling electricity generation system according to claim 3, it is characterised in that the fluid work in the thin heat pipe
The evaporating temperature of matter is less than the fusing point of phase-changing energy storage material.
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| CN112576468A (en) * | 2020-12-09 | 2021-03-30 | 中国空间技术研究院 | Solar high-concentration in-situ energy storage power generation system and method |
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| CN109962644A (en) * | 2017-12-22 | 2019-07-02 | 浙江大学 | Solar energy phase-change heat storage hot electron power generation device |
| CN109962644B (en) * | 2017-12-22 | 2023-12-22 | 浙江大学 | Solar phase-change heat-storage hot electron power generation device |
| CN108412634A (en) * | 2018-03-29 | 2018-08-17 | 南昌大学 | A kind of heat accumulating type Stirling engine using heat pipe |
| CN112576468A (en) * | 2020-12-09 | 2021-03-30 | 中国空间技术研究院 | Solar high-concentration in-situ energy storage power generation system and method |
| CN112576468B (en) * | 2020-12-09 | 2023-03-07 | 中国空间技术研究院 | Solar high-concentration in-situ energy storage power generation system and method |
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