CN102519155B - Fresnel thermal power generation overlapped heat collector - Google Patents
Fresnel thermal power generation overlapped heat collector Download PDFInfo
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- CN102519155B CN102519155B CN2011104520035A CN201110452003A CN102519155B CN 102519155 B CN102519155 B CN 102519155B CN 2011104520035 A CN2011104520035 A CN 2011104520035A CN 201110452003 A CN201110452003 A CN 201110452003A CN 102519155 B CN102519155 B CN 102519155B
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- thermal
- heat collecting
- collecting pipe
- collecting tube
- pipe
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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 invention relates to a Fresnel thermal power generation overlapped heat collector, which comprises a heat collecting pipe, wherein the heat collecting pipe consists of a heat collecting pipe inner pipe and a heat collecting pipe outer pipe, the heat collecting pipe is in horizontal arrangement, the heat collecting pipe inner pipe is fixedly arranged on a heat collecting pipe support ring, the heat collecting pipe support ring and a top device support are in crossed connection, the top end of the top device support is connected with a small pipe support frame, the small pipe support frame is placed onto the heat collecting pipe, a light ray recovering small pipe parallel to the heat collecting pipe is arranged on the small pipe support frame, and the bottom end of the top device support is connected with a mirror frame framework. The Fresnel thermal power generation overlapped heat collector has the advantages that the light ray focusing difficulty is reduced, the performance of high absorption rate and low emission rate of the vacuum heat collecting pipe is sufficiently utilized, the light ray loss between the vacuum heat collecting pipe outer glass covers is also avoided, simultaneously, the solar light ray and heat utilization and conversion rate is improved, and the integral energy utilization efficiency of the solar energy is greatly improved.
Description
Technical field
The invention belongs to the solar light-heat power-generation technical field, be specifically related to the eclipsed form heat collector of a kind of Fresnel heat generating.
Background technology
The energy resources reserves of China allow of no optimist, and per capita resources is not abundant.A large amount of developments and utilizations of fossil energy make China discharging CO
2Total amount is maximum.Many places lack the conventional energy resource resource, but solar energy resources is abundant.That solar energy thermal-power-generating possesses skills is relatively ripe, electrical network is impacted the advantages such as little, is one of the most promising generation mode in renewable energy power generation.Its hot merit conversion portion is identical with conventional thermal power generation unit, has ripe technology can provide utilization, therefore is particularly suitable for large-scale and uses.
In the hot generation technology of solar energy Fresnel, reflect focalization and zoom focusing are one of its key technologies, how to collect to greatest extent solar radiation, improve the photo-thermal transformation efficiency, are the difficult problems that the professional and technical personnel need to solve.
Simultaneously, Fresnel solar energy transmitting focusing technology, no matter plane reflection or cambered surface reflection, its focusings is the important embodiment of its technical development and performance all the time, not in the same time, not same date, diverse geographic location, its focal length and spot size are not stopping variation all the time.General being difficult to focuses on it in very narrow hot spot all the time, so causes the loss of most of reflection ray, and parabolic composite surface CPC faces that machining accuracy is high, the moulding difficulty is large, the problem of the more difficult selection of material.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide the eclipsed form heat collector of a kind of Fresnel heat generating, take full advantage of solar radiation, spread reflection light absorption area, namely utilized the vacuum heat collection pipe high-absorbable can reduce again the focal beam spot difficulty to reach, simultaneously can fully absorb to greatest extent solar radiation again, reduce the reflection line loss.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
The eclipsed form heat collector of a kind of Fresnel heat generating, comprise the thermal-collecting tube 3 that is formed by thermal-collecting tube inner tube 3-1 and thermal-collecting tube outer tube 3-2, thermal-collecting tube 3 is horizontally disposed with, thermal-collecting tube inner tube 3-1 is fixed on thermal-collecting tube filler ring 4, thermal-collecting tube filler ring 4 is cross with top arrangement support 5 and is connected, top arrangement supports 5 top connection tubule support 2, tubule support 2 is placed on thermal-collecting tube 3, be provided with the light parallel with described thermal-collecting tube 3 on tubule support 2 and reclaim tubule 1, top arrangement supports 5 bottom connection picture frame framework 6.
Described thermal-collecting tube 3 has more than two, the setting that is arranged in parallel, and corresponding top arrangement support 5 passes from the gap of Neighbor Set heat pipe 3 and is connected to tubule support 2.
Described thermal-collecting tube 3 is the one or any several combination in double-glass vacuum thermal-collecting tube, glass-metal vacuum heat collection pipe, different tube diameters plated film metal tube and the double glazing-metal tube that is sealed with gas.
Described light reclaims tubule 1 and is a plurality of naked pipes that are arranged in parallel, and bore is less than thermal-collecting tube inner tube 3-1.
Described light reclaims tubule 1 and is a plurality of plated film metal tubes that are arranged in parallel, and bore is positioned at light leakage place of thermal-collecting tube 3 less than thermal-collecting tube inner tube 3-1.
The invention has the beneficial effects as follows: reduced the light focusing difficulty, taken full advantage of the high-absorbility of vacuum heat collection pipe, the performance of low-launch-rate, overcome again the light losing between the outer cloche of vacuum heat collection pipe.Utilization and the conversion efficiency of light and the heat of solar energy have been improved simultaneously.Greatly improved the integral energy utilization ratio of solar energy.
Description of drawings
Fig. 1 is rack assumption diagram of the present invention.
Fig. 2 is the A frame enlarged drawing of Fig. 1.
The specific embodiment
Describe embodiments of the present invention in detail below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, the present invention is the eclipsed form heat collector of a kind of Fresnel heat generating, comprises the thermal-collecting tube 3 that is comprised of thermal-collecting tube inner tube 3-1 and thermal-collecting tube outer tube 3-2, and thermal-collecting tube 3 is horizontally disposed with, and quantity has a plurality of, and setting separately is arranged in parallel.Thermal-collecting tube inner tube 3-1 is fixed on thermal-collecting tube filler ring 4, and thermal-collecting tube filler ring 4 is cross with top arrangement support 5 and is connected, and top arrangement support 5 passes from the gap of Neighbor Set heat pipe 3 and is connected to tubule support 2.Tubule support 2 is placed on thermal-collecting tube 3, is provided with the light parallel with described thermal-collecting tube 3 on tubule support 2 and reclaims tubule 1, and top arrangement supports 5 bottom connection picture frame framework 6.Light reclaims tubule 1 and is a plurality of small-bore naked pipes that are arranged in parallel or plated film metal tube, and bore is positioned at light leakage place of thermal-collecting tube 3 less than thermal-collecting tube inner tube 3-1.
Wherein, described thermal-collecting tube 3 is the one or any several combination in double-glass vacuum thermal-collecting tube, glass-metal vacuum heat collection pipe, different tube diameters plated film metal tube and the double glazing-metal tube that is sealed with gas, form difform eclipsed form heat collector, need to select according to different light conditions.
According to above-mentioned mechanism, the sunshine of reflector apparatus 7 reflect focalizations from the picture frame framework 6 will reflex on two or more thermal-collecting tube inner tube 3-1, utilize the high-absorbable energy of vacuum tube, enlarge simultaneously the receptor area of reflection ray.And reclaim tubule 1 from the light that the light that the gap location of a plurality of thermal-collecting tube inner tube 3-1 leaks out through thermal-collecting tube outer tube 3-2 shines top, and fully reclaimed light, reduced light losing.
Claims (2)
1. the eclipsed form heat collector of Fresnel heat generating, comprise the thermal-collecting tube (3) that is formed by thermal-collecting tube inner tube (3-2) and thermal-collecting tube outer tube (3-1), thermal-collecting tube (3) is horizontally disposed with, it is characterized in that, thermal-collecting tube inner tube (3-2) is fixed on thermal-collecting tube filler ring (4), thermal-collecting tube filler ring (4) is cross with top arrangement support (5) and is connected, the top that top arrangement supports (5) connects little pipe holder (2), little pipe holder (2) is placed on thermal-collecting tube (3), be provided with the light parallel with described thermal-collecting tube (3) on little pipe holder (2) and reclaim tubule (1), the bottom that top arrangement supports (5) connects picture frame framework (6), described thermal-collecting tube (3) has more than two, setting is arranged in parallel, corresponding top arrangement support (5) passes from the gap of Neighbor Set heat pipe (3) and is connected to little pipe holder (2), it is a plurality of naked pipes that are arranged in parallel that described light reclaims tubule (1), bore is less than thermal-collecting tube inner tube (3-2).
2. the eclipsed form heat collector of Fresnel heat according to claim 1 generating, is characterized in that, described light reclaims light leakage place that tubule (1) is positioned at thermal-collecting tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104520035A CN102519155B (en) | 2011-12-29 | 2011-12-29 | Fresnel thermal power generation overlapped heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104520035A CN102519155B (en) | 2011-12-29 | 2011-12-29 | Fresnel thermal power generation overlapped heat collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102519155A CN102519155A (en) | 2012-06-27 |
| CN102519155B true CN102519155B (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104520035A Active CN102519155B (en) | 2011-12-29 | 2011-12-29 | Fresnel thermal power generation overlapped heat collector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808879A (en) * | 2006-01-26 | 2006-07-26 | 张耀明 | Reflective concentration photo-electric power generation system |
| CN1874004A (en) * | 2006-06-22 | 2006-12-06 | 集美大学 | 3D condenser of multilayer light-volt electric power generation |
| CN101344020A (en) * | 2007-07-11 | 2009-01-14 | 卢剑超 | Solar tower type focusing high temperature heat collection steam boiler-turbine electric generating apparatus |
| CN202393038U (en) * | 2011-12-29 | 2012-08-22 | 中国华能集团清洁能源技术研究院有限公司 | Overlapped comprehensive heat collection device for Fresnel thermal power generation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090084374A1 (en) * | 2007-06-13 | 2009-04-02 | Mills David R | Solar energy receiver having optically inclined aperture |
| US20090056703A1 (en) * | 2007-08-27 | 2009-03-05 | Ausra, Inc. | Linear fresnel solar arrays and components therefor |
| EP2401771A4 (en) * | 2009-02-27 | 2017-02-22 | Cogenra Solar, Inc. | 1-dimensional concentrated photovoltaic systems |
| FR2956476B1 (en) * | 2010-02-12 | 2012-03-16 | Pk Enr | SOLAR SENSOR WITH MIRRORS OF FRESNEL |
-
2011
- 2011-12-29 CN CN2011104520035A patent/CN102519155B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808879A (en) * | 2006-01-26 | 2006-07-26 | 张耀明 | Reflective concentration photo-electric power generation system |
| CN1874004A (en) * | 2006-06-22 | 2006-12-06 | 集美大学 | 3D condenser of multilayer light-volt electric power generation |
| CN101344020A (en) * | 2007-07-11 | 2009-01-14 | 卢剑超 | Solar tower type focusing high temperature heat collection steam boiler-turbine electric generating apparatus |
| CN202393038U (en) * | 2011-12-29 | 2012-08-22 | 中国华能集团清洁能源技术研究院有限公司 | Overlapped comprehensive heat collection device for Fresnel thermal power generation |
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| CN102519155A (en) | 2012-06-27 |
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