CN215176076U - High-efficiency solar heat collecting device - Google Patents
High-efficiency solar heat collecting device Download PDFInfo
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- CN215176076U CN215176076U CN202121069911.1U CN202121069911U CN215176076U CN 215176076 U CN215176076 U CN 215176076U CN 202121069911 U CN202121069911 U CN 202121069911U CN 215176076 U CN215176076 U CN 215176076U
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- annular
- tube
- annular tube
- heat
- tracking mechanism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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Abstract
The utility model discloses a high-efficiency solar heat collecting device, which consists of an annular tube, a light absorbing material, a light transmitting glass tube, a supporting piece, a tracking mechanism and a reflector; the annular pipe inwards concave semi-closed structure of the device can effectively reduce sunlight secondary reflection loss and heat loss, can improve the cleaning coefficient of a heat absorbing surface, can further improve the heat exchange coefficient through the axial annular channel, and has higher heat collection efficiency compared with the conventional groove type heat collection technology.
Description
Technical Field
The utility model belongs to the technical field of solar energy utilizes, concretely relates to high-efficient solar heat collection device is applicable to scenes such as solar thermal power plant and solar heating.
Background
Solar energy is a clean energy, the existing solar power generation can be divided into two technical routes of photovoltaic power generation and photo-thermal power generation, the former has few system components, short construction period and low requirement on installation position, but has relatively short service life and fast component aging speed, the latter has complex system, long construction period and large floor area, but has long service life and the capability of flexibly adjusting power generation load, and the two technical routes have respective advantages. In order to reduce the coal consumption of the whole society, the construction of wind, light and storage coupled energy systems is a necessary trend in the future.
The main technical link of the photo-thermal power generation is a heat collection process, the heat collection efficiency is a key influencing the system efficiency of the photo-thermal power station, at present, heat collectors can be divided into a groove type, a tower type, a Fresnel type and a disc type according to different heat collection modes, the technical maturity is reduced in sequence, the annual average heat collection efficiency of the photo-thermal power station constructed in northwest China is generally not more than 50%, and the heat collection efficiency is still low. In general, various devices and parts related to the solar heat collection ring section are developed relatively mature, the type of the heat collector is relatively fixed, and a novel heat collector must be developed for further improving the heat collection efficiency.
Disclosure of Invention
For overcoming the problem that current solar collector collecting efficiency is low on the side, the utility model provides a high-efficient solar heat collection device uses the toroidal tube as fluid passage, and the inside extinction material that has adhered to of toroidal tube, sunlight take place the multiple reflection in the toroidal tube inside finally by absorbing the heat of turning into, can improve the clean coefficient of operation in-process hot side simultaneously to effectively improve collecting efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A high-efficiency solar heat collection device comprises an annular tube 1, a light absorption material 3, a light transmission glass tube 4, a vacuum chamber 5, a support piece 6, a tracking mechanism 7 and a reflector 8;
the heat transfer fluid 2 is arranged in an axial channel of the annular tube 1, the annular tube 1 radially forms an inwards concave semi-closed structure, the light absorption material 3 is attached to the inner side surface of the annular tube 1, the light-transmitting glass tube 4 is arranged outside the annular tube 1, a vacuum chamber 5 for reducing heat loss is formed between the annular tube 1 and the light-transmitting glass tube 4, one end of a support piece 6 is connected with the annular tube 1, the other end of the support piece is connected with a tracking mechanism 7, the annular tube 1 and the tracking mechanism 7 synchronously rotate through the support piece 6, and an inwards concave cavity of the annular tube 1 faces the tracking mechanism 7; the reflector 8 is fixed on the tracking mechanism 7; the device utilizes the annular tube to construct the heat transfer fluid channel, the turbulence degree is high, the heat exchange effect is good, the annular tube forms a semi-closed structure, the light loss and the heat loss are reduced, meanwhile, the adhesion of dust in the air to the heat absorption surface is reduced, and the heat collection efficiency is improved.
Preferably, the annular pipe 1 is a semi-elliptical annular pipe.
Preferably, the light absorption material 3 is a carbon nano light absorption material.
Preferably, the annular tubes 1 are a plurality of annular tubes which are axially connected in series in the front-back direction, and the specific number is selected according to the heat collection amount, the irradiation condition and the like.
The efficient solar heat collection device operates according to the following method:
Compared with the prior art, the utility model discloses possess following advantage:
the utility model discloses high-efficient solar heat collection device, the semi-enclosed construction of the annular tube indent of device can effectively reduce sunlight secondary reflection loss and heat loss, can improve the clean coefficient of heat-absorbing surface simultaneously, and axial annular channel can further improve heat transfer coefficient, compares the collecting efficiency with present slot type thermal-arrest technique and is higher.
Drawings
Fig. 1 is a schematic view of the apparatus of the present invention.
In the figure:
1-annular tube 2-heat transfer fluid 3-light absorbing material 4-light transmitting glass tube 5-vacuum chamber
6-support 7-tracking mechanism 8-reflector 9-sunlight.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, wherein the detailed description is provided for the purpose of illustration only and is not intended to be limiting.
As shown in fig. 1, the high-efficiency solar heat collecting device of the present invention comprises a ring tube 1, a light absorbing material 3, a transparent glass tube 4, a vacuum chamber 5, a support member 6, a tracking mechanism 7 and a reflector 8.
The heat transfer fluid 2 is arranged in an axial channel of the annular tube 1, the annular tube 1 radially forms an inwards concave semi-closed structure, the light absorption material 3 is attached to the inner side surface of the annular tube 1, the light-transmitting glass tube 4 is arranged outside the annular tube 1, a vacuum chamber 5 is formed between the annular tube 1 and the light-transmitting glass tube 4, one end of the supporting piece 6 is connected with the annular tube 1, the other end of the supporting piece is connected with the tracking mechanism 7, the annular tube 1 and the tracking mechanism 7 synchronously rotate through the supporting piece 6, and an inwards concave cavity of the annular tube 1 faces the tracking mechanism 7; the reflector 8 is fixed on the tracking mechanism 7; the annular pipe 1 is a semi-elliptical annular pipe; the device utilizes the oval annular pipe to construct the heat transfer fluid channel, and turbulence degree is high, heat transfer effect is good, and the oval annular pipe forms semi-enclosed construction, has reduced light loss and heat loss, has reduced the adhesion of dust in the air to the heat absorption surface simultaneously, has improved the collection efficiency.
The utility model relates to a high-efficient solar heat collection device moves according to following method:
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit of the present invention. The insubstantial changes of the utility model when the design is used are all the acts of infringing the protection scope of the utility model.
Claims (4)
1. An efficient solar heat collection device, characterized in that: the device is composed of an annular tube (1), a light absorption material (3), a light transmission glass tube (4), a vacuum chamber (5), a support piece (6), a tracking mechanism (7) and a reflector (8);
the heat transfer fluid (2) is arranged in an axial channel of the annular tube (1), the annular tube (1) radially forms an inwards concave semi-closed structure, the light absorption material (3) is attached to the inner side surface of the annular tube (1), the light-transmitting glass tube (4) is arranged outside the annular tube (1), a vacuum chamber (5) for reducing heat loss is formed between the annular tube (1) and the light-transmitting glass tube (4), one end of a supporting piece (6) is connected with the annular tube (1), the other end of the supporting piece is connected with a tracking mechanism (7), the annular tube (1) synchronously rotates with the tracking mechanism (7) through the supporting piece (6), and an inwards concave cavity of the annular tube (1) faces the tracking mechanism (7); the reflector (8) is fixed on the tracking mechanism (7).
2. A high efficiency solar thermal collector according to claim 1, wherein: the annular pipe (1) is a semi-elliptical annular pipe.
3. A high efficiency solar thermal collector according to claim 1, wherein: the light absorption material (3) is a carbon nano light absorption material.
4. A high efficiency solar thermal collector according to claim 1, wherein: the annular tubes (1) are a plurality of annular tubes which are axially connected in series front and back, and the specific number is selected according to the heat collection and irradiation conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121069911.1U CN215176076U (en) | 2021-05-19 | 2021-05-19 | High-efficiency solar heat collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121069911.1U CN215176076U (en) | 2021-05-19 | 2021-05-19 | High-efficiency solar heat collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215176076U true CN215176076U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121069911.1U Active CN215176076U (en) | 2021-05-19 | 2021-05-19 | High-efficiency solar heat collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215176076U (en) |
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2021
- 2021-05-19 CN CN202121069911.1U patent/CN215176076U/en active Active
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