CN217357595U - Internal-condensation all-glass medium-high temperature vacuum heat collecting tube - Google Patents
Internal-condensation all-glass medium-high temperature vacuum heat collecting tube Download PDFInfo
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- CN217357595U CN217357595U CN202121575067.XU CN202121575067U CN217357595U CN 217357595 U CN217357595 U CN 217357595U CN 202121575067 U CN202121575067 U CN 202121575067U CN 217357595 U CN217357595 U CN 217357595U
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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 provides a high temperature evacuated collector tube in full glass of internal condensation relates to solar energy collection pipe technical field. One end of the outer glass tube is closed, and the other end is open; one end of the inner glass tube is closed, and the other end of the inner glass tube is opened; the inner glass tube is positioned inside the outer glass tube, an elastic supporting clamp is arranged between the inner glass tube and the outer glass tube, and the other end of the inner glass tube is connected with the other end of the outer glass tube in a sealing manner; a vacuum interlayer is arranged between the inner glass tube and the outer glass tube, the vacuum interlayer is vacuumized, and a getter is arranged in the vacuum interlayer; the inner wall of the outer glass tube is uniformly provided with lenses; the outer walls of the inner glass tubes are provided with selective absorption coatings; the focus of the light after passing through the lens is located on the selective absorption coating. The utility model discloses a high temperature evacuated collector tube in full glass of internal condensation can make full use of daylighting area, assembles the sunlight and produces more heat energy, is showing the heat utilization efficiency that promotes solar energy, reduces the thermal-arrest cost.
Description
Technical Field
The utility model belongs to the technical field of solar energy collection pipe technique and specifically relates to a high temperature evacuated collector tube in full glass of internal condensation.
Background
At present, solar heat collecting pipes have been developed for more than thirty years and are widely applied to solar heat utilization. With the promotion of the carbon emission policy, the existing solar heat collection technology cannot meet the temperature requirements of photo-thermal heating and industrial heat utilization, and the heat collection efficiency is remarkably reduced in winter, so that the heat collection efficiency of the whole heat collection system is influenced. The reason is that the limited daylighting area of the existing solar heat collecting pipe cannot be fully utilized, so that the heat utilization rate of solar energy is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature evacuated collector tube in full glass of internal condensation to make full use of daylighting area improves the heat utilization efficiency of solar energy.
In order to achieve the above object, the present invention adopts the following technical solutions:
an inner light-gathering all-glass medium-high temperature vacuum heat collecting tube comprises an outer glass tube, an inner glass tube, an elastic supporting clamp, a getter, a lens and a selective absorption coating;
one end of the outer glass tube is closed, and the other end of the outer glass tube is opened;
one end of the inner glass tube is closed, and the other end of the inner glass tube is opened;
the inner glass tube is positioned inside the outer glass tube, an elastic supporting clamp is arranged between the inner glass tube and the outer glass tube, and the other end of the inner glass tube is connected with the other end of the outer glass tube in a sealing manner;
a vacuum interlayer is arranged between the inner glass tube and the outer glass tube, the vacuum interlayer is vacuumized, and a getter is arranged in the vacuum interlayer;
lenses are uniformly arranged on the inner wall of the outer glass tube;
the outer walls of the inner glass tubes are provided with selective absorption coatings;
the focus of the light after passing through the lens is located on the selective absorption coating.
Preferably, the lens is provided as a fresnel lens.
Preferably, the outer wall of one end of the inner glass tube is lapped on the inner wall of one end of the outer glass tube through an elastic supporting clamp.
Preferably, the getter is arranged on the elastic support card.
Preferably, the fusion sealing connection position of the other end of the inner glass tube and the other end of the outer glass tube is a round angle structure.
Preferably, the inner diameter I of the outer glass tube is kept uniform at a position other than one end thereof.
Preferably, the inner diameter I ranges from 30 to 200 mm.
Preferably, the inner diameter II of the inner glass tube is kept uniform except for one end thereof.
Preferably, the inner diameter II is in the range of 22 to 180 mm.
Preferably, the length of the outer glass tube and the length of the inner glass tube range from 500 mm to 4000 mm.
The utility model has the beneficial technical effects that:
the utility model discloses a high temperature evacuated collector tube in full glass of internal condensation can make full use of daylighting area, assembles the sunlight and produces more heat energy, is showing the heat utilization efficiency who promotes solar energy, reduces the thermal-arrest cost, is applied to it in order to further promote the collecting efficiency of collecting system in effective operating temperature.
Drawings
FIG. 1 is a front view of a high temperature evacuated collector tube in all-glass with internal condensation according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a high-temperature evacuated collector tube in the all-glass inner condenser of the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Certain embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, an internal-condensation all-glass medium-high temperature evacuated collector tube is provided, please refer to fig. 1 and 2.
An internal-condensation all-glass medium-high temperature vacuum heat collecting tube comprises an outer glass tube 1, an inner glass tube 2, an elastic supporting card 3, a getter 4, a lens 5, a selective absorbing coating 6 and the like.
One end of the outer glass tube 1 is closed, and the other end of the outer glass tube 1 is opened. One end of the inner glass tube 2 is closed, and the other end of the inner glass tube 2 is opened. The inner glass tube 2 is located inside the outer glass tube 1. An elastic supporting clamp 3 is arranged between the inner glass tube 2 and the outer glass tube 1, and the outer wall of one end of the inner glass tube 2 is in lap joint with the inner wall of one end of the outer glass tube 1 through the elastic supporting clamp 3 so as to support the inner glass tube 2 through the elastic supporting clamp 3. The other end of the inner glass tube 2 is connected with the other end of the outer glass tube 1 in a sealing mode, and the sealing connection position is of a round angle structure. Specifically, the inner diameter i of the outer glass tube 1 is kept consistent except for one end thereof, and the value range of the inner diameter i is 30 to 200 mm. The inner diameter II of the inner glass tube 2 is kept consistent except for one end of the inner glass tube, and the value range of the inner diameter II is 22-180 mm. The length of the outer glass tube 1 and the inner glass tube 2 ranges from 500 mm to 4000 mm.
A vacuum interlayer 7 is arranged between the inner glass tube 2 and the outer glass tube 1, and the vacuum interlayer 7 is vacuumized. After the heated medium in the inner glass tube 2 is heated, the vacuum interlayer 7 can realize vacuum heat preservation and reduce heat loss. The getter 4 is arranged in the vacuum interlayer 7, and particularly, the getter 4 is arranged on the elastic supporting card 3 to fix the getter 4. The getter 4 is used to maintain the degree of vacuum of the vacuum interlayer 7.
The inner walls of the outer glass tubes 1 are each provided with a lens 5, preferably the lenses 5 are provided as fresnel lenses. The outer wall of the inner glass tube 2 is provided with a selective absorption coating 6. The focus of lens 5 is f, and the focus behind light process lens 5 is located selective absorption coating 6, makes the sunlight concentrate the heat on selective absorption coating 6 and with heat transfer to interior glass pipe 2 and the inside heated medium of interior glass pipe 2, promotes the heat utilization efficiency of solar energy.
In the internal-condensation all-glass medium-high temperature vacuum heat collecting tube of the embodiment, the inner wall of the outer glass tube 1 is provided with the lens 5, and the outer wall of the inner glass tube 2 is provided with the selective absorption coating 6. Light can shine the entering through the top of outer glass pipe 1 except, also can shine the entering through the below of outer glass pipe 1, and is more excellent, can place the reflector in the below of the full high temperature evacuated collector tube of the full glass of cohesion of this embodiment, makes light all shine the entering from the top of outer glass pipe 1, below. Therefore, the limited daylighting area is fully utilized, sunlight is gathered to generate more heat energy, and the heat utilization rate of solar energy is obviously improved.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. Based on the above description, those skilled in the art should clearly understand the inner light-gathering all-glass middle-high temperature evacuated solar collector tube of the present invention. The utility model discloses a high temperature evacuated collector tube in full glass of internal condensation can make full use of daylighting area, assembles the sunlight and produces more heat energy, is showing the heat utilization efficiency who promotes solar energy, reduces the thermal-arrest cost, is applied to it in order to further promote the collecting efficiency of collecting system in effective operating temperature.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An inner light-gathering all-glass medium-high temperature vacuum heat collecting tube comprises an outer glass tube, an inner glass tube, an elastic supporting clamp, a getter, a lens and a selective absorption coating;
one end of the outer glass tube is closed, and the other end of the outer glass tube is opened;
one end of the inner glass tube is closed, and the other end of the inner glass tube is opened;
the inner glass tube is positioned inside the outer glass tube, an elastic supporting clamp is arranged between the inner glass tube and the outer glass tube, and the other end of the inner glass tube is connected with the other end of the outer glass tube in a sealing manner;
a vacuum interlayer is arranged between the inner glass tube and the outer glass tube, the vacuum interlayer is vacuumized, and a getter is arranged in the vacuum interlayer;
lenses are uniformly arranged on the inner wall of the outer glass tube;
the outer walls of the inner glass tubes are provided with selective absorption coatings;
the focus of the light after passing through the lens is located on the selective absorption coating.
2. The all-glass medium-high temperature evacuated collector tube with internal light condensation according to claim 1, characterized in that: the lens is configured as a fresnel lens.
3. The all-glass medium-high temperature evacuated collector tube with internal condensation according to claim 1, characterized in that: the outer wall of one end of the inner glass tube is lapped and connected with the inner wall of one end of the outer glass tube through an elastic supporting clamp.
4. The all-glass medium-high temperature evacuated collector tube with internal light condensation according to claim 1, characterized in that: the getter is arranged on the elastic supporting card.
5. The all-glass medium-high temperature evacuated collector tube with internal condensation according to claim 1, characterized in that: the fusion sealing connection position of the other end of the inner glass tube and the other end of the outer glass tube is a fillet structure.
6. The all-glass medium-high temperature evacuated collector tube with internal light condensation according to claim 1, characterized in that: the inner diameter I of the outer glass tube is kept consistent except for one end.
7. The all-glass medium-high temperature evacuated collector tube with internal condensation according to claim 6, characterized in that: the inner diameter I ranges from 30 mm to 200 mm.
8. The all-glass medium-high temperature evacuated collector tube with internal light condensation according to claim 1, characterized in that: the inner diameter II of the inner glass tube is kept consistent except for one end of the inner glass tube.
9. The all-glass medium-high temperature evacuated collector tube with internal light condensation according to claim 8, wherein: the inner diameter II ranges from 22 mm to 180 mm.
10. The all-glass medium-high temperature evacuated collector tube with internal condensation according to claim 1, characterized in that: the length value range of the outer glass tube and the inner glass tube is 500-4000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575067.XU CN217357595U (en) | 2021-07-12 | 2021-07-12 | Internal-condensation all-glass medium-high temperature vacuum heat collecting tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575067.XU CN217357595U (en) | 2021-07-12 | 2021-07-12 | Internal-condensation all-glass medium-high temperature vacuum heat collecting tube |
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| CN217357595U true CN217357595U (en) | 2022-09-02 |
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| CN202121575067.XU Active CN217357595U (en) | 2021-07-12 | 2021-07-12 | Internal-condensation all-glass medium-high temperature vacuum heat collecting tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493131A (en) * | 2022-09-22 | 2022-12-20 | 西藏尚阳能源股份有限公司 | Flat-plate type medium-high temperature solar steam device |
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2021
- 2021-07-12 CN CN202121575067.XU patent/CN217357595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493131A (en) * | 2022-09-22 | 2022-12-20 | 西藏尚阳能源股份有限公司 | Flat-plate type medium-high temperature solar steam device |
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