CN201575611U - External quartz solar energy photo-thermal converter - Google Patents
External quartz solar energy photo-thermal converter Download PDFInfo
- Publication number
- CN201575611U CN201575611U CN2009203027439U CN200920302743U CN201575611U CN 201575611 U CN201575611 U CN 201575611U CN 2009203027439 U CN2009203027439 U CN 2009203027439U CN 200920302743 U CN200920302743 U CN 200920302743U CN 201575611 U CN201575611 U CN 201575611U
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- heat
- solar energy
- quartz
- exchanger rig
- thermal
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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
Abstract
The utility model discloses a solar energy photo-thermal converter suitable for different temperatures and a method adopting a quartz device to conduct solar energy photo-thermal conversion. The converter adopts the quartz device to collect solar energy at different temperatures, and comprises at least one quartz device, wherein a heat exchanger is arranged in the quartz device; and a solar energy coating is arranged on the surface of the heat exchanger or on the inner wall of the quartz device. When the solar energy is converted into thermal energy, the heat exchanger transmits and/or exchanges the thermal energy to the exterior of the quartz device to achieve photo-thermal conversion of the solar energy and the ultimate utilization of the thermal energy; and the heat pipe technology is particularly adopted on a thermal absorber to conduct heat exchange to achieve the absorption and utilization of the thermal energy, particularly the usage of solar energy under medium and high temperatures. By adopting the technical method, large-scale comprehensive utilization of the solar energy is achieved, various heat pipe technologies and fluid heat exchange technologies are adopted to utilize the absorbed thermal energy, and particularly, heat with high heat flux is converted and utilized by adopting the heat pipe technologies, thereby achieving the utilization of solar energy under medium and high temperatures.
Description
Technical field
The utility model relates to the heat utilization of solar energy, is the device of heat energy with conversion of solar energy, relate to utilize that solar energy heats, the utilization of the middle high-temperature of hot water, culinary art, generating, refrigeration, drying, particularly solar energy.
Background technology
The application technology of solar energy maturation is the low-temperature water heating utilization of solar energy, main employing vacuum glass Manifold technology is a heat energy with conversion of solar energy, technical at this kind, there is employing that heat pipe is inserted into glass tube with vacuum inside heat is delivered to the outside technology that obtains solar energy, and on the vacuum glass basis, further improve and the various devices of exploitation, wherein being provided with vacuum layer in the glass tube with vacuum is incubated, in the inside of vacuum layer selective coating is set solar energy is absorbed conversion, though the vacuum glass layer has well been realized insulation, selective coating has well been realized sun transformation of energy, but, heat energy utilization after it transforms gets up very uneconomical, as adopt existing method that water is fed directly to glass tube with vacuum inside and directly carry out heat exchange, but to winter just can't use, realized heat transfer in the winter time though adopt hot pipe technique, but increased cost, reduced the utilization rate of heat energy, present this technology is applied to the hot water of low temperature and uses, and can't realize the application of the middle high temperature of solar energy, as the application of solar generator;
The existing solar cooker that the middle high-temperature of solar energy is utilized, the main reflecting plate that adopts reflects sunshine, solar energy is directly focused on the kitchen range, realization is to the utilization of solar energy, this kind technology has well reached the middle high temperature of solar energy and has collected, but its heat energy accepting method is single, only is to adopt directly to place simple kitchen range in the above, and can't gathers on a large scale and utilize; Simultaneously also can't realize solar energy is collected so that night and overcast and rainy application;
The generation technology of high temperature in the existing technology solar energy mainly is to adopt tower, slot type, and butterfly, and groove type solar is business-like solar energy photothermal converter spare, main employing outside is a glass tube, inside is the stainless steel metal pipe, and inside vacuumizes, and realizes the collection of solar energy; But this kind absorber price height has only the enterprise of minority can grasp its production technology; The main difficult technical of butterfly solar energy and tower type solar application simultaneously also is photo-thermal conversion solar energy switching device, tower type solar particularly, need carry out work in the interval of 600-1500 degree mainly due to photothermal converter, because stable work when metal device that high temperature adopted can't be grown, thereby tower solar power station just can't be long-term carry out work, thereby need the solar energy photothermal converter spare of high temperature be improved.
The optical property of quartz glass has its distinctive feature, and it both can see through ultraviolet spectra, is that all see through the superior of UV materials, can see through visible light and near infrared spectrum again.The user can select required kind arbitrarily as required in the 185-3500mu wavelength band.Because quartz glass is high temperature resistant, thermal coefficient of expansion is minimum, chemical heat good stability, bubble, striped, uniformity, birefringence can match in excellence or beauty with general optical glass again, so it is to work to have the requisite optical material of high stability optical system under the bad occasion in various Asias.The thermal coefficient of expansion of quartz glass is little, is 5.5 * 10
-7/ ℃, have only the 1/12-1/20 of simple glass.The ministerial standard regulation is thrown in the cold water with after the calcination to 1200 of sample ℃ rapidly, do not allow more than three times repeatedly to burst, quartz glass adds the material that also can make the zero thermal expansion coefficient behind an amount of titanium elements, because numerous advantage of quartz member, quartz member is applied to the solar energy utilization, the particularly solar energy thermal transition of middle high temperature will be the feasible technical method that high temperature solar is gathered in solving.
Development along with the solar energy mirror technology, can adopt common optical frames or Fresnel optical frames that solar energy is collected, but, after having the solar energy mirror technology that solar energy is collected, very high heat flow density will be produced, adopt common heat-transfer matcrial conversion can't realize the transmission of the heat energy of high heat flux, therefore, need a kind of novel technology that solar energy is carried out the heat energy conversion utilization, the particularly photo-thermal of the middle high-temperature of solar energy conversion realizes the application to the middle high temperature of solar energy.
Summary of the invention
The purpose of this utility model provides a kind of solar-thermal converter, quartz member is applied in the converter, make converter of the present utility model be suitable for the solar energy heat utilization of different temperature, particularly realize the photothermal converter spare of the middle high temperature of solar energy, and being applied to solar-thermal converter spare tower and butterfly, poor stability, cost height, complex structure, the scope of application that has solved existing converter is little particularly to be difficult to the problem of carrying out the photo-thermal conversion for a long time stable in middle high temperature.
The utility model utilizes the physical and chemical performance of quartz member to realize the collection of solar energy fully, for the utilization of solar energy provides a kind of new technological means and method.Adopt this kind technical method can realize large-scale comprehensive utilization to solar energy, utilize the heat energy after various hot pipe techniques and fluid heat transfer technology will absorb to utilize, particularly adopt hot pipe technique that the heat of high heat flux is carried out conversion using, thereby realized utilization the middle high-temperature of solar energy.
Concrete summary of the invention is as follows:
A kind of external quartz solar photo-thermal converter comprises a quartz member at least, is provided with a heat-exchanger rig in quartz member inside, is provided with the solar energy coating at the outer surface of heat-exchanger rig or the inwall of quartz member.
As long as the heat energy of conversion of solar energy can be utilized, can become utilizable heat exchanger of the present utility model, heat-exchanger rig can be the evaporation ends (4) of heat pipe usually.The evaporation ends of heat pipe is arranged on the inside of quartz member, condensation end is arranged on the outside of quartz member, this kind heat exchange mainly adopts various hot pipe techniques to carry out heat exchange, comprises the heat transfer technology that any enclosed cavity body heat drives, and has realized the heat exchange of efficient, big heat flow density.
The structure of any kind of as long as meet the requirement of heat exchange, may be used to carry out heat exchange, and described heat pipe can adopt following a kind of at least: general heat pipe, integral heat pipe, separate type circulating heat pipe, can connect heat pipe, pulse heat pipe.
Heat-exchanger rig in of the present utility model can also adopt and contain an import (5) at least or/and the parts of an outlet (6), a kind of fluid (14) enters by import, reaching the outlet back flows out, the heat energy of conversion of solar energy carries out heat exchange in fluid and the parts, and fluid is a kind of in liquid, gas, solidliquid mixture, gas-liquid mixture, the gas-liquid-solid mixture.The heat exchanger that comprises a blind pipe device, this moment, heat-exchanger rig only had a mouth, promptly was that import also is outlet, and hot fluid is heated the back and is carrying out heat exchange; Also can be the device that an import and an outlet are arranged simultaneously, fluid enters from outlet from import and flows out.For 400 temperature of spending, adopting conduction oil usually is fluid, for the application that are higher than 400 degree, can adopt the heat exchange of conducting heat of various metals, nonmetal, chemical salt working media; For the generating equipment of low temperature, adopting the organic working media of low temperature is fluid, adopts water to be the generating working media for middle high temperature.
The material of heat-exchanger rig can be selected following a kind of:
A, metal, stainless steel, iron pipe;
B, non-metallic pipe comprise quartz ampoule, glass tube, plastic tube;
C, multiple tube comprise metal and nonmetallic multiple tube and metal and metal, nonmetal and nonmetallic multiple tube.
Because the thermal coefficient of expansion of quartz ampoule is littler than glass, thereby can adopt various connected modes cheaply, at different temperature ranges, can adopt different connected modes, the connected mode of heat-exchanger rig and quartz member adopts following a kind of:
A, excess material connect, and comprise the excess material of kovar alloy connection, metal or pottery;
B, interior or outward corrugated tube connection;
C, nonmetally be flexible coupling, comprise and adopt rubber cushion rubber, sealing gasket, silica gel circle, cork.
Solar energy coating for low temperature can adopt vacuum tightness, for the solar energy coating of high temperature, can adopt the airtight of antivacuum or partial vacuum, thereby, can adopt suitable sealing mode at different application of temperature, quartz member and heat-exchanger rig constitute one of following device usually:
A, vacuum device: by vacuumizing or thermal exhaust makes quartz member and heat-exchanger rig constitute an airtight cavity, inside can keep vacuum.
B, antivacuum during: quartz member and heat-exchanger rig are antivacuum airtight, and gas can enter or discharge;
During C, the partial vacuum: quartz member and heat-exchanger rig constitute an airtight cavity, but whether adopt vacuum tightness, along with using inner vacuum to reduce gradually.
Between quartz member outside, quartz member and heat-exchanger rig or/and solar energy mirror is arranged in the outer setting of quartz member; In the outside various solar energy mirror that adopt projection of quartz member sunshine is injected into the inside of cavity, preferably adopts Fresnel Lenses; Device between quartz member and the heat-exchanger rig, the preferred sunglasses that adopts reflection or refraction will enter into the solar light focusing of cavity to heat-exchanger rig; For outside reflection or diaphotoscope can be set, realize focusing on or secondary focusing, promptly at first adopt a kind of solar energy mirror to focus on, carry out secondary focusing or repeatedly focusing if desired again, up to the composite design requirement in quartz member; For the solar energy utilization of high temperature, radiation heat transfer will become crucial heat exchange, thereby need to increase the solar energy mirror of antiradiation, realize the antiradiation heat exchange as adopting tinfoil paper at a low price; No matter adopting which kind of mode, as long as sunshine can be carried out focus on the heat exchanger after transmission, reflection, the refraction, all is the method that can adopt, and solar energy mirror is selected from following a kind of usually:
A, composite parabolic speculum;
B, Fei Nier mirror (10) comprise or speculum;
C, concave, convex (11) lens;
D, disc type parabolic mirror (12);
E, post, groove (13) shape parabolic mirror;
F, plane mirror;
G, to the material that heat radiation is reflected, comprise tinfoil paper.
On the position that the sunshine of quartz member or heat-exchanger rig can not shine, still be provided with insulation material, so that minimizing heat waste, according to different application of temperature, can adopt different heat preserving modes, use for high temperature, at first need asbestos, fiber, cement etc. to realize the insulation of high temperature, also need the insulation materials such as polyurethane, polyphenyl material of low temperature then, can adopt usually and select following one or more combined material at least:
A, contain the metal or the nonmetallic materials of vacuum layer (1);
B, asbestos, fiber heat preservation material;
C, insulating cement;
D, polyurethane, polyphenyl material, plastics, nylon insulation material;
E, thermal insulation coatings.
In order to increase the efficient of heat-exchanger rig to solar absorption, the position of the solar light irradiation of heat-exchanger rig is provided with the device that increases exchange capability of heat, is preferably fin, on fin, also is provided with the solar energy coating.
Can adopt Any shape to realize the purpose of this utility model, but the shape of quartz member and heat exchanger components usually can for cylinder, sphere, ellipse, polyhedron, fan-shaped, have recessed or protruding hole polyhedral one or more, the device of cylinder is suitable for the solar energy acquisition of line focus, as quartz ampoule or inside and outside all is the device of quartz ampoule, sphere, ellipse, polyhedron, fan-shaped; And the cylinder, sphere, ellipse, polyhedron, fan-shaped collection and the utilization that is suitable for butterfly and tower type solar that have recessed or protruding hole, can take different shapes according to different sun collections; The cylinder that has recessed or protruding hole is used to increase the utilization ratio of solar energy.
Description of drawings
Figure one: biquartz tube solar photothermal converter;
Figure two: hot pipe solar photothermal converter in the outer quartz blind pipe;
Figure three: the hexagon photothermal converter;
Figure four: semicircle photothermal converter.
The theing contents are as follows of mark in the accompanying drawing:
1: heat-exchanger rig, 2: quartz member, 3: solar energy coating, 4: connected mode, 5: fluid inlet, 6: fluid issuing, 7: cavity, 8: solar energy lens, 9: solar energy reflection mirror, 10: insulation material.
The specific embodiment
Embodiment one: biquartz tube solar photothermal converter
According to shown in Figure 1, the outside is quartz ampoule (2), the solar-thermal converter that inner heat exchanger (1) is made up of metal tube, interior quartz ampoule is provided with solar energy coating (3), interior metal tube is connected by syndeton (4) with outer quartz ampoule, an end is import (5) in the interior metal tube, and the other end is outlet (6); To using with the following hot water of low temperature 100 degree, can adopt the low-temperature solar energy coating, can adopt vacuum to connect; Fluid is a water; Middle temperature for the 100-400 degree is used, the solar energy coating of temperature in the employing, its inner and outer pipes and connected mode adopts the connection of partial vacuum, fluid is a conduction oil; Use for the high temperature that 400 degree are above, adopt the solar energy coating of high temperature, adopt antivacuum airtightly, fluid is an air; For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; For the operating temperature of any needs, can adopt the biquartz pipe to realize the collection and the utilization of solar energy like this.
Embodiment two: hot pipe solar photothermal converter in the outer quartz blind pipe
According to shown in Figure 2, the outside is the blind pipe (2) of an end closure for quartz ampoule, inner heat exchanger (1) is the solar-thermal converter that the metal heat pipe is formed, (1) is provided with solar energy coating (3) on the heat pipe of inside, interior heat pipe is connected by syndeton (4) with outer quartz ampoule, the evaporation of interior heat pipe is arranged on the inside of quartz ampoule, and condensation end is arranged on the outside of quartz ampoule; To using with the following hot water of low temperature 100 degree, can adopt the low-temperature solar energy coating, can adopt vacuum to connect; Fluid is a water; Middle temperature for the 100-400 degree is used, the solar energy coating of temperature in the employing, its inner and outer pipes and connected mode adopts the connection of partial vacuum, fluid is a conduction oil; Use for the high temperature that 400 degree are above, adopt the solar energy coating of high temperature, adopt antivacuum airtightly, fluid is a water, can realize the steam supply of high pressure-temperature like this, realizes solar electrical energy generation and utilization efficiently; For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; Like this for the operating temperature of any needs, can outer quartz blind pipe in the hot pipe solar photothermal converter realize the collection and the utilization of solar energy.
Embodiment three: the hexagon photothermal converter
According to shown in Figure 3, the outside is a hexagon quartz ampoule device (2), sunshine incident position in quartz member is provided with solar energy lens (8), inner heat exchanger (1) is stainless cylinder device, (1) is provided with solar energy coating (3) on the heat-exchanger rig of inside, interior heat-exchanger rig is connected by syndeton (4) with outer quartz ampoule, interior heat-exchanger rig is arranged on the inside of quartz member, heat-exchanger rig is provided with import (5) and outlet (6) simultaneously, fluid enters from import, flows out from outlet; Use for the following hot water of low temperature 100 degree, can adopt the low-temperature solar energy coating, connected mode can adopt antivacuum connection, and fluid is a water; Middle temperature for the 100-400 degree is used, the solar energy coating of temperature in the employing, its inner and outer pipes and connected mode adopts the connection of partial vacuum, fluid is chemical salts substances; Use for the high temperature that 400 degree are above, adopt the solar energy coating of high temperature, adopt antivacuum airtightly, fluid is a high temeperature chemistry salt, can realize the steam supply of high pressure-temperature like this, realizes solar electrical energy generation and utilization efficiently; For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; For the operating temperature of any needs, can adopt the hexagon photothermal converter to realize the collection and the utilization of solar energy like this.
Embodiment four: semicircle photothermal converter
According to Figure 4 shows that side cross-sectional view, the outer quartz tube device is a semicircular cylinder (2), quartz member is arranged on the inside of a semicircle device of bigger metal, metal semicircle device is provided with solar energy lens (8), solar energy is incided in the cavity (7), in inside cavity and quartz member outer setting solar energy reflection mirror (9) is arranged, adopt the reflection of tinfoil paper realization to radiation, particularly be when realizing the solar energy acquisition of high temperature, need reflect processing especially at radiation heat transfer; The position that can not shine at the sunshine of quartz member is provided with insulation material (10), inner heat exchanger (1) is a heat pipe assembly, heat pipe in both sides is the import (5) and the outlet (6) of fluid, (1) is provided with solar energy coating (3) on heat pipe, interior hot pipe device is connected by syndeton (4) with outer quartz ampoule, interior heat pipe is arranged on the inside of quartz member, and fluid enters from import, flows out from outlet; Use for the following hot water of low temperature 100 degree, can adopt the low-temperature solar energy coating, connected mode can adopt antivacuum connection, and fluid is a water; Middle temperature for the 100-400 degree is used, the solar energy coating of temperature in the employing, its inner and outer pipes and connected mode adopts the connection of partial vacuum, fluid is chemical salts substances; Use for the high temperature that 400 degree are above, adopt the solar energy coating of high temperature, adopt antivacuum airtightly, fluid is a water, can realize the steam supply of high pressure-temperature like this, realizes solar electrical energy generation and utilization efficiently; For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; This structure is particularly suitable for the solar energy acquisition of tower and butterfly, more possesses high efficiency and low cost for the solar energy utilization of high temperature; For the operating temperature of any needs, can adopt the hexagon photothermal converter to realize the collection and the utilization of solar energy like this.
Claims (10)
1. an external quartz solar photo-thermal converter is characterized in that: comprise a quartz member at least, be provided with a heat-exchanger rig in quartz member inside, be provided with the solar energy coating at the outer surface of heat-exchanger rig or the inwall of quartz member.
2. external quartz solar photo-thermal converter according to claim 1, it is characterized in that: described heat-exchanger rig is the evaporation ends of heat pipe, the condensation end of described heat pipe is arranged on the outside of quartz member, and described heat pipe is at least following a kind of: general heat pipe, integral heat pipe, separate type circulating heat pipe, can connect heat pipe, pulse heat pipe.
3. external quartz solar photo-thermal converter according to claim 1, it is characterized in that: described heat-exchanger rig is for to contain an import (5) or/and the parts of an outlet (6) at least, a kind of fluid (14) enters by import, reaching the outlet back flows out, the heat energy of conversion of solar energy carries out heat exchange in fluid and the parts, and fluid is a kind of in liquid, gas, solidliquid mixture, gas-liquid mixture, the gas-liquid-solid mixture.
4. according to the described arbitrary external quartz solar photo-thermal converter of claim 1-3, it is characterized in that: the heat-exchanger rig material is following a kind of:
A, metal tube;
B, non-metallic pipe;
C, multiple tube.
5. according to the described arbitrary external quartz solar photo-thermal converter of claim 1-3, it is characterized in that: the connected mode of heat-exchanger rig and quartz member adopts following a kind of:
A, excess material connect, and comprise the excess material of kovar alloy, metal or pottery;
B, interior or outward corrugated tube connection;
C, nonmetally be flexible coupling, comprise and adopt rubber cushion rubber, sealing gasket, silica gel circle, cork.
6. according to the described arbitrary external quartz solar photo-thermal converter of claim 1-3, it is characterized in that: quartz member and heat-exchanger rig constitute one of following device:
A, vacuum device; By vacuumizing or thermal exhaust makes quartz member and heat-exchanger rig constitute an airtight cavity, inside can keep vacuum.
B, antivacuum device; Quartz member and heat-exchanger rig are antivacuum airtight, and gas can enter or discharge;
C, partial vacuum device; Quartz member and heat-exchanger rig constitute an airtight cavity, but whether adopt vacuum tightness, along with using inner vacuum to reduce gradually.
7. according to the described arbitrary external quartz solar photo-thermal converter of claim 1-3, it is characterized in that: between quartz member outside, quartz member and heat exchange device or/and solar energy mirror is arranged in the outer setting of quartz member, sunshine is reflected, focuses on the heat-exchanger rig after the transmission, refraction, and solar energy mirror is selected from following a kind of:
A, composite parabolic speculum;
B, Fei Nier mirror (10);
C, concave, convex (11) lens;
D, disc type parabolic mirror (12);
E, post, groove (13) shape parabolic mirror;
F, plane mirror;
G, to the material that heat radiation is reflected, comprise tinfoil paper.
8. according to the described arbitrary external quartz solar photo-thermal converter of claim 1-3, it is characterized in that: also be provided with insulation material on the position that the sunshine on quartz member or the heat-exchanger rig can not shine, described insulation material is for selecting following one or more combined material at least:
A, contain the metal or the nonmetallic materials of vacuum layer (1);
B, asbestos, fiber heat preservation material;
C, insulating cement;
D, polyurethane, polyphenyl material, plastics, nylon insulation material;
E, thermal insulation coatings.
9. according to the described arbitrary external quartz solar photo-thermal converter of claim 1-3, it is characterized in that: described heat-exchanger rig is provided with fin.
10. according to the described arbitrary external quartz solar photo-thermal converter of claim 1-3, it is characterized in that: quartz member and heat-exchanger rig are cylindrical, spherical, oval, polyhedron shape, fan-shaped and have the cylinder, sphere, ellipse, polyhedron in recessed or protruding hole, fan-shaped one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203027439U CN201575611U (en) | 2009-04-30 | 2009-04-30 | External quartz solar energy photo-thermal converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203027439U CN201575611U (en) | 2009-04-30 | 2009-04-30 | External quartz solar energy photo-thermal converter |
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| Publication Number | Publication Date |
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| CN201575611U true CN201575611U (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009203027439U Expired - Fee Related CN201575611U (en) | 2009-04-30 | 2009-04-30 | External quartz solar energy photo-thermal converter |
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| CN (1) | CN201575611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526716A (en) * | 2016-01-04 | 2016-04-27 | 中国华能集团清洁能源技术研究院有限公司 | Solar heat absorber capable of carrying out photo-thermal conversion in closed chamber |
-
2009
- 2009-04-30 CN CN2009203027439U patent/CN201575611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526716A (en) * | 2016-01-04 | 2016-04-27 | 中国华能集团清洁能源技术研究院有限公司 | Solar heat absorber capable of carrying out photo-thermal conversion in closed chamber |
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Granted publication date: 20100908 Termination date: 20110430 |