CN101737957B - Heat-absorbing body rotary air heat absorber for solar thermal power station - Google Patents
Heat-absorbing body rotary air heat absorber for solar thermal power station Download PDFInfo
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- CN101737957B CN101737957B CN2009102435558A CN200910243555A CN101737957B CN 101737957 B CN101737957 B CN 101737957B CN 2009102435558 A CN2009102435558 A CN 2009102435558A CN 200910243555 A CN200910243555 A CN 200910243555A CN 101737957 B CN101737957 B CN 101737957B
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- heat
- air
- silicon carbide
- absorber
- carbide ceramics
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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
- 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
Abstract
The invention relates to a heat-absorbing body rotary air heat absorber for a solar thermal power station. A silicon carbide foamed ceramic heat-absorbing body (1) is integrated from three or more of silicon carbide foamed ceramic plates, a rotation shaft (3) is a compact silicon carbide ceramic bar which is sintered with the silicon carbide foamed ceramic heat-absorbing body for forming, the rotation shaft (3) penetrates through the silicon carbide foamed ceramic heat-absorbing body or partially embedded in the silicon carbide foamed ceramic heat-absorbing body (1), the axis of the rotation shaft (3) is overlapped with the centre line of the silicon carbide foamed ceramic heat-absorbing body; the silicon carbide foamed ceramic heat-absorbing body can perform circular rotation around the rotation shaft (3), an air cavity (4) contains a radiation incoming window (2) on the sunlight incoming side and is provided with an air inlet and an air outlet which are separately used for the air to flow in or out; and the outer surface of the air cavity (4) is covered with an insulating layer. The invention can be used to obtain high temperature air in a temperature range of 700-1300 DEG C and with a pressure of normal pressure or over 1MPa, and the self-sensible heat of the air heat absorber is used for heat storage.
Description
Technical field
The present invention relates to a kind of solar energy thermal-power-generating station air heat-absorbing device, particularly absorber rotary air heat dump.
Background technology
Solar energy is inexhaustible regenerative resource, and the today of reduce year by year at fossil fuel, the international energy situation is severe day by day, development and use solar energy is one of important channel of realizing energy supply diversification, assurance energy security.Tower type thermal generation device basic principle is to utilize numerous heliostats, solar radiation is reflexed on the solar receiver that places on the tower, produces superheated steam or high temperature air by heating working medium, drives generating set, produces electric energy.The high temperature solar heat dump is the core component of tower type thermal generation system.External this technology that centers on has been carried out many research, mainly concentrates on the U.S., Spain, Germany, Israel, Australia, Korea S etc.Wherein using more is the positive displacement heat dump, and a kind of exactly by the absorber of accepting solar radiation that three dimensional matrix constituted, the working fluid that flows through carries out direct heat exchange with it and is heated.The positive displacement solar heat dump has a hollow shell usually, be used to hold the positive displacement solar absorption plant, housing is covered by the glass light inlet window, form the heat sink cavity of sealing, cavity can hold the working fluid that directly contacts with absorption plant, working fluid flows through the heat sink cavity, absorbs heat from absorption plant.It is the cylindrical metal tubular type heat dump of heat-transfer fluid with the air that United States Patent (USP) 4394859 discloses a kind of, and this heat dump is had relatively high expectations to metal, system complex, and the cost height, and also energy-flux density allowable is lower, is difficult to obtain the air of high-temperature.United States Patent (USP) 4777934 has announced that adopting the compressed air that has particle is the solar heat absorber of heat transfer medium, and its temperature can be heated to 700 ℃, and this heat dump can't be applied to higher temperature.U.S. Pat 6668555B1 has announced the solar power system based on heat dump, adopt the heat pipe type solar heat dump, its heat-transfer working medium is an air, though heat transfer efficiency is higher, but being applied to high temperature need adopt materials such as sodium metal as the phase-change material in the heat pipe, to the security requirement harshness.Chinese patent CN2758657 has proposed the cavity-type solar absorber, be divided into inside and outside two chambeies, inner chamber body is closed on quartz window surface-coated solar selectively absorbing coating, and adopts different materials to be used for conducting heat and accumulation of heat, be used for the high temperature occasion, but its structure is comparatively complicated.Chinese patent CN2872208 has proposed a kind of hollow chamber type solar energy absorber, adopted needle tubing cooled glass window, tubulose absorber, the heat transfer sheet area of tubulose absorber is little, and heat transfer efficiency is not high, and adopt different materials as absorber and heat storage, complex structure.
In sum, in order to obtain high temperature air, for the positive displacement air heat-absorbing device, its absorber all is maintained fixed motionless, needs heat-absorbing material self to have high thermal shock resistance, needs the extremely strong non-homogeneous solar radiation of tolerance can flow heating.
Summary of the invention
The objective of the invention is to overcome the shortcoming that the absorber material is easy to destroy in the existing air heat-absorbing device under high temperature, high heat flux, a kind of air heat-absorbing device that the absorber course of work is rotated heat absorption is provided.The present invention adopts silicon carbide foam ceramic material as absorber, utilize foam silicon carbide ceramics self three-dimensional porous structure, absorptivity height, characteristics high temperature resistant, high heat conduction efficiently to absorb heat and heat exchange, absorber is rotated with certain speed simultaneously, the absorber part that receives solar radiation is changed constantly, thereby avoid higher thermal current density district in a certain position of absorber long-time heating, expansion can receive the absorber zone of high heat flux, helps realizing the even of absorber surface energy-flux density.Absorber has certain stirring action around the rotation of rotating shaft to the air in the air chamber, is beneficial to the even of air themperature field.The air themperature field is even, absorber is surperficial is heated evenly, and has avoided the appearance of local " hot spot ", the security that has improved heat dump greatly.The foam silicon carbide ceramics absorber that is rotating has the heat accumulation function, can avoid within a certain period of time air themperature than great fluctuation process.The present invention can build the air heat-absorbing device of larger capacity according to instructions for use, can be used for normal pressure and high-pressure system.
The foam silicon carbide ceramics heatproof surpasses 1600 ℃, has guaranteed that air heat-absorbing device of the present invention can be used for higher temperature.The thermal conductivity factor of foam silicon carbide ceramics skeleton is greater than 30W/ (m K), three-dimensional pore space structure by design pore size 1-6mm, can absorb the solar radiant energy of input to greatest extent, simultaneously can realize that air circulates along three-dimensional in the absorber rotary course, can not bring the remarkable increase of system air flow resistance owing to rotation.The three-dimensional pore space structure of foam silicon carbide ceramics absorber has bigger specific area, has guaranteed in the heat transfer process higher heat transfer efficiency between air and foam silicon carbide ceramics absorber.
Absorber rotary air heat dump of the present invention is a heat transfer medium with the air.Described heat dump drops into window and heat-insulation layer etc. by foam silicon carbide ceramics absorber, rotating shaft, air chamber, radiation and forms.The foam silicon carbide ceramics absorber is made up of three or three above foam silicon carbide ceramics, rotating shaft is the compact silicon carbide ceramic barred body, with foam silicon carbide ceramics absorber one sinter molding, the visual instructions for use of the length of rotating shaft runs through the foam silicon carbide ceramics absorber or is partially submerged into the foam silicon carbide ceramics absorber.Air chamber is the cavity of carrying absorber and rotating shaft, be reserved with radiation and drop into the input of window for solar energy, air chamber is positioned at the outside of foam silicon carbide ceramics absorber and rotating shaft, and the outside of the air chamber of absorber is coated with resistant to elevated temperatures heat-insulation layer, with scattering and disappearing of control heat.
Absorber rotary air heat dump of the present invention is a cavity heat absorption mode, can reduce the radiation heat loss to external environment.
The course of work of the present invention is as follows:
Dropping into window through optically focused radiant flux that concentrating device is collected through radiation is projected on the foam silicon carbide ceramics absorber in the rotation, because the three-dimensional porous feature of foam silicon carbide ceramics, the optically focused radiant flux partly is carbonized the silicon foam ceramic surface and absorbs, conversion of solar energy is the heat energy of foam silicon carbide ceramics, makes the foam silicon carbide ceramics portion temperature that has absorbed solar energy raise.Foam silicon carbide ceramics has very high thermal conductivity factor, heat conducts between ceramic skeleton rapidly, cold air that temperature is lower and temperature are carried out convection heat transfer' heat-transfer by convection between higher foam silicon carbide ceramics surface, because the three-dimensional pore space architectural feature of foam silicon carbide ceramics, make that the heat transfer area of air and absorber is bigger, heat transfer efficiency is higher.Select its foam silicon carbide ceramics aperture between 1-6mm.Improving porosity can increase the heat exchange area of air and skeleton, improve the heat transfer efficiency of air, but the raising of porosity can reduce quantity of heat storage.Choose reasonable silicon carbide foam ceramic material and design pore structure are the key factors of design.In addition, foam silicon carbide ceramics absorber in the rotation, receive the part performance heat absorption function of optically focused radiant flux, and receiving unit is not brought into play the heat accumulation function, carrying out along with rotary course, for the absorber of determining the position, its optically focused radiant emittance that drops into the surface constantly changes, and heat absorption hockets with the heat accumulation function.Under the situation that does not have air to flow into, the solar energy that the foam silicon carbide ceramics absorber absorbs all is converted into foam silicon carbide ceramics self thermal capacity, improves self temperature and carries out the sensible heat heat accumulation, be applicable to air heat-absorbing device the startup stage.
The present invention is simple in structure, can design the pore structure of foam silicon carbide ceramics absorber by demand, adjusts the rotary speed of absorber in addition, can realize the purpose of efficient absorption radiant energy, efficient heat transfer.It is 700 ℃-1300 ℃, normal pressure or the above high temperature air of 1MPa pressure that the present invention can obtain temperature range.The foam silicon carbide ceramics absorber has the heat accumulation function concurrently, the fluctuation of inner control air themperature output parameter at certain time intervals simultaneously.
Description of drawings
Fig. 1 heat-absorbing body rotary air heat absorber for solar thermal power station schematic diagram of the present invention;
Fig. 2 solar energy thermal-power-generating of the present invention station rotary non-pressure-bearing air heat-absorbing device system schematic of absorber;
Fig. 3 solar energy thermal-power-generating of the present invention station rotary pressure-bearing air heat-absorbing device of absorber system schematic;
Among the figure: 1 foam silicon carbide ceramics absorber, 2 radiation drop into window, 3 rotating shafts, 4 air chambers, 5 heat-insulation layers, 6 optically focused radiant fluxes, 7 motors, 8 cold airs, 9 hot-airs, 10 air-introduced machines, 11 seal glass, 12 air compressors, 13 cold high pressure air, 14 high-pressure hot air.
The specific embodiment
Figure 1 shows that heat-absorbing body rotary air heat absorber for solar thermal power station of the present invention.This heat dump drops into window 2, rotating shaft 3, air chamber 4 and heat-insulation layer 5 by foam silicon carbide ceramics absorber 1, radiation and forms, foam silicon carbide ceramics absorber 1 can be made of one piece by the foam silicon carbide ceramics plate more than three or three, have higher absorptive rate of radiation, the selection of foamed ceramics pore size and pore structure is by the distribution situation decision of air flow field parameter and optically focused radiant flux.It is rectangle or other geometries that radiation drops into window 2, and it act as and sees through optically focused radiant flux 6 to greatest extent.Rotating shaft 3 is the compact silicon carbide ceramic barred body, with foam silicon carbide ceramics absorber 1 one sinter molding, the visual instructions for use of the length of rotating shaft 3 runs through foam silicon carbide ceramics absorber 1 or is partially submerged into foam silicon carbide ceramics absorber 1 inside, the central lines of the axis of rotating shaft 3 and foam silicon carbide ceramics absorber 1, foam silicon carbide ceramics absorber 1 can rotate in a circumferential direction around rotating shaft 3.4 of foam silicon carbide ceramics absorber 1 and air chambers leave less gap, can satisfy foam silicon carbide ceramics absorber 1 and rotate freely and can make the least possible flowing through of air around rotating shaft 3 from the slit, the power of rotating shaft 3 is provided by direct connected motor 7.Air chamber 4 is a high temperature resistant pressure-bearing or non-pressure-bearing cavity, drop into side towards sunshine and be reserved with radiation input window 2, leave air intake and air outlet slit, inflow and outflow for air, air chamber 4 outer surfaces are coated with heat-insulation layer 5, and heat-insulation layer 5 is positioned at the outermost of absorber rotary air heat dump.
During work, motor 7 provides electric energy to do in air chamber 4 by rotating shaft 3 drive foam silicon carbide ceramics absorbers 1 and rotates in a circumferential direction, optically focused radiant flux 6 drops into window 2 through radiation and is incident on foam silicon carbide ceramics absorber 1 surface of rotation in the air chamber 4, temperature raises behind the foam silicon carbide ceramics absorber 1 part surface absorbed radiation energy of rotation, heat is in foam silicon carbide ceramics absorber 1 internal delivery, flow air is passed through heat convection in the air chamber 4, with 1 cooling of foam silicon carbide ceramics absorber, self temperature raises, and by this process solar energy is converted into air heat energy efficiently.The heat-insulation layer 5 that coats can effectively prevent scattering and disappearing to external environment of heat, is beneficial to the thermal efficiency that improves heat dump.
Figure 2 shows that solar energy thermal-power-generating of the present invention station is with the rotary non-pressure-bearing air heat-absorbing device of absorber system.The rotary non-pressure-bearing air heat-absorbing device of this absorber system drops into window 2, rotating shaft 3, air chamber 4, heat-insulation layer 5, motor 7 and air-introduced machine 10 by foam silicon carbide ceramics absorber 1, radiation and forms, foam silicon carbide ceramics absorber 1 can be made of one piece by three or three above foam silicon carbide ceramics plates, have higher absorptive rate of radiation, the selection of foamed ceramics pore size and pore structure is by the distribution situation decision of air flow field parameter and optically focused radiant flux 6.It is rectangle or other geometry openings that radiation drops into window 2.Rotating shaft 3 is the compact silicon carbide ceramic barred body, with foam silicon carbide ceramics absorber 1 one sinter molding, the visual instructions for use of the length of rotating shaft 3 runs through foam silicon carbide ceramics absorber 1 or is partially submerged into foam silicon carbide ceramics absorber 1 inside, the central lines of the axis of rotating shaft 3 and foam silicon carbide ceramics absorber 1, foam silicon carbide ceramics absorber 1 can rotate in a circumferential direction around rotating shaft 3.4 of foam silicon carbide ceramics absorber 1 and air chambers leave less gap, can satisfy foam silicon carbide ceramics absorber 1 and rotate freely and can make the least possible flowing through of air around rotating shaft 3 from the slit, the power of rotating shaft 3 is provided by direct connected motor 7.Air chamber 4 is a high temperature resistant non-pressure-bearing cavity, and dropping into side towards sunshine is that radiation drops into window 2, and air chamber 4 outer surfaces are coated with heat-insulation layer 5, and heat-insulation layer 5 is positioned at the outermost of absorber rotary air heat dump.Air-introduced machine 10 is tightly connected with air chamber 4, provides power for air flows.
During work, cold air 8 in the environment drops into window 2 from radiation and is sucked in the air chamber 4 under the effect of air-introduced machine 10, optically focused radiant flux 6 drops into window 2 through radiation and is incident on foam silicon carbide ceramics absorber 1 surface of rotation in the air chamber 4, motor 7 provides electric energy to do in air chamber 4 by rotating shaft 3 drive foam silicon carbide ceramics absorbers 1 and rotates in a circumferential direction, temperature raises behind the foam silicon carbide ceramics absorber 1 part surface absorbed radiation energy of rotation, heat is in foam silicon carbide ceramics absorber 1 internal delivery, cold air 8 is in foam silicon carbide ceramics absorber 1 internal flow of rotation, carry out heat convection with foam silicon carbide ceramics absorber 1, foam silicon carbide ceramics absorber 1 is cooled, cold air 8 is heated to be hot-air 9, by this process solar energy is converted into air heat energy efficiently.The heat-insulation layer 5 that coats can prevent effectively that heat scatters and disappears to external environment, is beneficial to the thermal efficiency that improves heat dump.
Figure 3 shows that the solar energy thermal-power-generating of the present invention station rotary pressure-bearing air heat-absorbing device of absorber system.The rotary pressure-bearing air heat-absorbing device of this absorber system is made up of foam silicon carbide ceramics absorber 1, seal glass 11, rotating shaft 3, air chamber 4, heat-insulation layer 5, motor 7 and air compressor 12, foam silicon carbide ceramics absorber 1 can be made of one piece by three or three above foam silicon carbide ceramics plates, have higher absorptive rate of radiation, the selection of foamed ceramics pore size and pore structure is by the distribution situation decision of air flow field parameter and optically focused radiant flux 6.Seal glass 11 is the quartz glass of rectangle or other geometries, has the function of sealing and printing opacity.Rotating shaft 3 is the compact silicon carbide ceramic barred body, with foam silicon carbide ceramics absorber 1 one sinter molding, the visual instructions for use of the length of rotating shaft 3 runs through foam silicon carbide ceramics absorber 1 or is partially submerged into foam silicon carbide ceramics absorber 1 inside, the central lines of the axis of rotating shaft 3 and foam silicon carbide ceramics absorber 1, foam silicon carbide ceramics absorber 1 can rotate in a circumferential direction around rotating shaft 3.4 of foam silicon carbide ceramics absorber 1 and air chambers leave less gap, can satisfy foam silicon carbide ceramics absorber 1 and rotate freely and can make the least possible flowing through of air around rotating shaft 3 from the slit, the power of rotating shaft 3 is provided by direct connected motor 7.Air chamber 4 is high temperature resistant, a high pressure resistant cavity, links to each other with air compressor 12 by the air intake pipeline, and air chamber 4 outer surfaces are coated with heat-insulation layer 5, and heat-insulation layer 5 is positioned at the outermost of absorber rotary air heat dump.Air compressor 12 is tightly connected with air chamber 4, and air compressor 12 act as and be pressed into pressure-air in air chamber.
During work, air compressor 12 is pressed into cold high pressure air 13 in the air chamber 4, on foam silicon carbide ceramics absorber 1 surface that optically focused radiant flux 6 rotates in seal glass 11 is incident to air chamber 4, motor 7 provides electric energy to do in air chamber 4 by rotating shaft 3 drive foam silicon carbide ceramics absorbers 1 and rotates in a circumferential direction, temperature raises behind the foam silicon carbide ceramics absorber 1 part surface absorbed radiation energy of rotation, heat is in foam silicon carbide ceramics absorber 1 internal delivery, cold high pressure air 13 is in foam silicon carbide ceramics absorber 1 internal flow of rotation, carry out heat convection with foam silicon carbide ceramics absorber 1, foam silicon carbide ceramics absorber 1 is cooled, cold high pressure air 13 is heated to be high-pressure hot air 14, by this process solar energy is converted into pressure-air heat energy efficiently.The heat-insulation layer 5 that coats can prevent effectively that heat scatters and disappears to external environment, is beneficial to the thermal efficiency that improves heat dump.
Claims (4)
1. heat-absorbing body rotary air heat absorber for solar thermal power station, comprise that foam silicon carbide ceramics absorber (1), radiation drop into window (2), air chamber (4) and heat-insulation layer (5), it is characterized in that described absorber rotary air heat dump also comprises rotating shaft (3), described foam silicon carbide ceramics absorber (1) is one-body molded by three above foam silicon carbide ceramics plates; Described rotating shaft (3) is the compact silicon carbide ceramic barred body, rotating shaft (3) and foam silicon carbide ceramics absorber (1) one sinter molding; Rotating shaft (3) runs through foam silicon carbide ceramics absorber (1) or is partially submerged into foam silicon carbide ceramics absorber (1) inside, the central lines of the axis of rotating shaft (3) and foam silicon carbide ceramics absorber (1); Air chamber (4) is a high temperature resistant pressure-bearing or non-pressure-bearing cavity, dropping into side towards sunshine is that radiation drops into window (2), air chamber (4) leaves air intake and air outlet slit, inflow and outflow for air, air chamber (4) outer surface is coated with heat-insulation layer (5), and heat-insulation layer (5) is positioned at the outermost of described absorber rotary air heat dump.
2. according to the said heat-absorbing body rotary air heat absorber for solar thermal power station of claim 1, it is characterized in that foam silicon carbide ceramics absorber (1) rotates in a circumferential direction in air chamber (4) around rotating shaft (3) at work.
3. according to the said heat-absorbing body rotary air heat absorber for solar thermal power station of claim 1, it is characterized in that air-introduced machine (10) and air chamber (4) are tightly connected, air-introduced machine (10) provides system's negative suction head in service that cold air (8) in the environment is sucked in the air chamber (4).
4. according to the said heat-absorbing body rotary air heat absorber for solar thermal power station of claim 1, it is characterized in that air chamber (4) and air compressor (12) are tightly connected, described absorber rotary air heat dump is worked under the pressure-bearing environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102435558A CN101737957B (en) | 2009-12-25 | 2009-12-25 | Heat-absorbing body rotary air heat absorber for solar thermal power station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102435558A CN101737957B (en) | 2009-12-25 | 2009-12-25 | Heat-absorbing body rotary air heat absorber for solar thermal power station |
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| CN101737957A CN101737957A (en) | 2010-06-16 |
| CN101737957B true CN101737957B (en) | 2011-04-13 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101886846B (en) * | 2010-06-25 | 2012-09-26 | 河海大学 | Solar air heat absorber measurement and control system and performance and temperature prediction and protection method |
| CN101922796B (en) * | 2010-07-14 | 2012-06-20 | 中国科学院电工研究所 | High-temperature air resistance furnace using silicon carbide foamed ceramic to enhance radiation absorption |
| EP2639527B1 (en) * | 2010-11-08 | 2017-06-21 | Tokyo Institute of Technology | Method and system for storing solar heat |
| CN102650469A (en) * | 2012-04-26 | 2012-08-29 | 宜兴市华瑞铸造材料有限公司 | Novel silicon carbide foam ceramic solar energy air heat absorber |
| CN102679578B (en) * | 2012-05-28 | 2014-07-02 | 中国科学院电工研究所 | Solar particle heat absorber with cyclone separators |
| CN102818379B (en) * | 2012-07-23 | 2014-04-09 | 中国科学院电工研究所 | Solid-particle air heat absorber used for solar thermal power plant |
| CN103542552B (en) * | 2013-09-29 | 2016-01-20 | 刘鸿章 | Heat accumulation agent heater and solar cloth Leiden stored-energy thermal power generation device |
| CN104197537B (en) * | 2014-09-24 | 2016-07-06 | 中国科学院电工研究所 | The displacement air heat extractor that a kind of absorber rotates |
| ES2595080B1 (en) * | 2015-06-23 | 2017-09-05 | Fundación Cener-Ciemat | Heat absorber module for a thermal solar receiver |
| CN107514823B (en) * | 2017-08-10 | 2019-12-31 | 中广核工程有限公司 | Rotary photo-thermal power station heat absorber and uniform heat absorption control method |
| CN114074373B (en) * | 2020-08-11 | 2023-12-01 | 香港科技大学 | Porous ceramic article, method of making the same, and solid state refrigeration system |
| CN113074462B (en) * | 2021-04-07 | 2024-04-02 | 湖南科技大学 | Solar receiver with adjustable radiation absorption surface geometry |
| CN113370446B (en) * | 2021-06-24 | 2022-05-03 | 合肥海景新材料科技有限公司 | EPS foam material forming device and forming process thereof |
| CN114543058B (en) * | 2022-02-25 | 2023-07-21 | 中国科学院电工研究所 | High-temperature steam generator based on solar energy |
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