CN202119146U - Oval solar heat collecting pipe - Google Patents
Oval solar heat collecting pipe Download PDFInfo
- Publication number
- CN202119146U CN202119146U CN 201120220793 CN201120220793U CN202119146U CN 202119146 U CN202119146 U CN 202119146U CN 201120220793 CN201120220793 CN 201120220793 CN 201120220793 U CN201120220793 U CN 201120220793U CN 202119146 U CN202119146 U CN 202119146U
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- China
- Prior art keywords
- glass
- ellipse
- oval
- glass outer
- outer tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an oval solar heat collecting pipe, which comprises an oval glass outer pipe, a transition end head arranged at one end of the oval glass outer pipe, an end cover connected with the transition end head and a heat absorbing and exchanging piece comprising a front portion and a back portion connected with the front portion. The front portion of the heat absorbing and exchanging piece is arranged in the oval glass outer pipe, and the back portion of the heat absorbing and exchanging piece protrudes out of one end of the oval glass outer pipe. The oval solar heat collecting pipe saves a complex process that a glass flange is manufactured through glass and metal sealing connection type vacuum solar heat collecting pipes and solves the problem that the all glass vacuum solar heat collecting pipe cannot bear pressure in use.
Description
Technical field
The utility model relates to the solar thermal utilization field, relates in particular to a kind of ellipse solar energy heat collection pipe.
Background technology
The core parts of solar vacuum tube collector are glass vacuum solar collector tubes, and it has adopted vacuum interlayer, have eliminated the convection current and conduction heat waste of gas.Existing glass vacuum solar collector tubes is divided into " full glass " and " glass and metal sealing structure " two big types, and its glass outer tube is circle, not only takies very large space, increases area of dissipation, and reduces utilization efficiency of material.
Complete glass vacuum sun thermal-collecting tube adopts inside and outside glass bushing structure, interior pipe wholecircle plated film, and area of dissipation is big, and can not pressure-bearing use, and range of application is very narrow.Glass and metal sealing type vacuum solar collector tubes are the metal heat absorbing end in the circular glass outer tube, and release end of heat is outside glass tube, and the circular glass pipe takes up room greatly, and under the condition of identical endotherm area, elliptical tube is than the material of circular glass Guan Shaoyong 50%.Oval glass tube can only process oval-shaped Flange Plane on existing main axis rotation ground glass work lathe; Require metal end also will be processed into ellipse; The sealing-in mouth is shaped as oval seal, sealing materials also will be made into ellipse, closes with the sealing-in tone, so just can reach the sealing-in requirement.The sealing-in part processing moulding difficulty of this manufacturing process is big, and the operation easier of the accurate coordination of three sealing-in parts of realization is big in the sealing-in process, and the sealing-in mode that this elliptical tube is processed into oval sealing surface structure is difficult to realize.
The utility model content
The technical problem that (one) will solve
The technical problem that the utility model will solve is to use when realizing the ellipse glass tube as solar energy heat collection pipe.
(2) technical scheme
For achieving the above object; The present invention proposes a kind of ellipse solar energy heat collection pipe; Comprise: ellipse glass outer tube, the transition termination that is arranged at said ellipse glass outer tube one end, the circular end cap that is connected with said transition termination and comprise forward part and the heat absorption of connected rear section and heat exchanging piece; The forward part of said heat absorption and heat exchanging piece is arranged in the said ellipse glass outer tube, and stretch out from an end of said ellipse glass outer tube the rear section of said heat absorption and heat exchanging piece.
Wherein, said circular end cap is processed by iron-nickel alloy.
Wherein, the other end of said ellipse glass outer tube is provided with valve.
Wherein, said transition termination is provided with the hole, and said hole is passed in the rear section of said heat absorption and heat exchanging piece.
Wherein, the forward part of said heat absorption and heat exchanging piece is provided with coating for selective absorption.
(3) beneficial effect
The technique scheme of the utility model has following advantage: the solar energy heat collection pipe of the utility model has not only saved the loaded down with trivial details technology of glass and metal sealing type vacuum solar collector tubes making glass flange; Also solved the problem that complete glass vacuum sun thermal-collecting tube can not pressure-bearing uses; And the shape to glass tube has also had multiple choices, simplifies the structural requirement of metal end.Its whole efficiency improves 5～10% on the basis of existing like product.
Description of drawings
Fig. 1 is the sketch map of the utility model ellipse solar energy heat collection pipe embodiment;
Fig. 2 is the sketch map of an embodiment of the transition termination of the utility model ellipse solar energy heat collection pipe;
Fig. 3 is the sketch map of another embodiment of the transition termination of the utility model ellipse solar energy heat collection pipe.
Wherein, 1: heat absorption and heat exchanging piece; 2: end cap; 3: the transition termination; 4: ellipse glass outer tube.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Be illustrated in figure 1 as the sketch map of ellipse solar energy heat collection pipe embodiment of the present invention, comprise: heat absorption and heat exchanging piece 1, circular end cap 2, transition termination 3 and ellipse glass outer tube 4.Transition termination 3 is arranged at ellipse glass outer tube 4 one ends, and the other end of ellipse glass outer tube 4 is provided with valve.Transition termination 3 can be a different shape according to the cross section of ellipse glass outer tube 4, and as shown in Figures 2 and 3, and transition termination 3 is provided with the hole.Guarantee the air-tightness of sealing-in mouth, select for use the coefficient of expansion and Pyrex 3.3 close iron-nickel alloys to process end cap 2 and transition termination 3 hot-press sealings.Heat absorption and heat exchanging piece 1 comprise forward part and connected rear section; Forward part is arranged in the ellipse glass outer tube 4; Stretch out from the hole of end of ellipse glass outer tube (4) and transition termination 3 heat absorption and the rear section of heat exchanging piece 1, and the heat absorbing part on the forward part also plates and selective absorber coatings.
The method of making above-mentioned ellipse solar energy heat collection pipe comprises step:
S1, protruding, the recessed graphite jig that utilizes vertical glass-dead seal machine and make according to the section configuration of said ellipse glass outer tube 4; Adopt the processing method of die casting; Be processed into oval glass tube transition termination 3 flat; The flatness of bottom surface reaches the planar horizontal of glass plate, uses rig processing the bottom surface punching of flat oval glass tube transition termination 3, with oval glass tube transition termination 3 integrally annealeds after the punching;
S2, use glass cleaner clean oval glass tube transition termination 3 and oval glass outer tube 4 inner surfaces, clean up with deionized water, then oven dry again;
S3, the metal surface of using metal cleaner cleaning iron-nickel alloy end cap 2 and heat absorption and heat exchanging piece 1 clean up with deionized water, then oven dry again;
S4, transition termination 3 and heat absorption and heat exchanging piece 1 are heated to 500 ℃, are incubated 40 minutes, the back cooling at vacuum condition;
S5, with iron-nickel alloy end cap 2 and oval glass tube transition termination 3 hot-press sealings;
S6, on glass work lathe with oval glass tube transition termination 3 an end hot melt sealing-in with ellipse glass outer tube 4;
S7, at heat absorption and the endotherm section of heat exchanging piece 1 plating coating for selective absorption;
S8, will absorb heat and heat exchanging piece 1 is packed into from the other end of ellipse glass outer tube 4, and make its forward part be arranged in the ellipse glass outer tube 4, its rear section from the hole of termination 3, stretch out and with 2 welding of iron-nickel alloy end cap;
S9, the openend of the other end of ellipse glass outer tube 4 is received the bowl valve that runs in;
S10, with exhausts in the ellipse glass outer tube 4, delivery temperature guarantees between 400 ℃, be incubated 70～80 minutes, sealed-off is lowered the temperature when pressure reaches 10-3Pa.
During to transition termination 3 and heat absorption and heat exchanging piece 1 heating, can select heating-up temperature and temperature retention time according to actual conditions among the foregoing description step S4, heating-up temperature is between 400 ℃～500 ℃, and temperature retention time is between 30～40 minutes.
At high temperature carrying out the exhaust of glass outer tube among the step S10, is in order to make the glass outer tube have good vacuum, and the temperature during exhaust can be between 350 ℃～400 ℃.
In the prior art; Glass outer tube one end inwardly processes the glass sealing end on glass work lathe; Processing method is only limited to the glass material of continuous surface of revolution on glass work lathe; The machining center of material overlaps and could process with the alignment of shafts of glass work lathe, can realize so the port of circular glass tubing is processed, and can't realize overlapping with the alignment of shafts of glass work lathe for the machining center of oval glass tube; Being processed on the glass work lathe and can't realizing of oval glass tube port; The present invention utilizes duration and degree of heating to make frit fusing, back cover on vertical glass work lathe through oval glass tube transition termination, goes up the closed pressurization of punch lower cavity die simultaneously, makes oval glass tube transition termination flat through the fixing formation of graphite jig under molten condition; Utilize the bottom centre position machining hole of plate glass rig, realized that the port of oval glass tube is made sealing surface in glass tube transition termination.Thereby realize that oval glass tube and other various section configuration glass tubes use on solar energy heat collection pipe.
It below only is embodiment of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (5)
1. ellipse solar energy heat collection pipe; It is characterized in that; Comprise: ellipse glass outer tube (4), the transition termination (3) that is arranged at said ellipse glass outer tube (4) one ends, the end cap (2) that is connected with said transition termination (3) and comprise forward part and the heat absorption of connected rear section and heat exchanging piece (1); The forward part of said heat absorption and heat exchanging piece (1) is arranged in the said ellipse glass outer tube (4), and stretch out from an end of said ellipse glass outer tube (4) rear section of said heat absorption and heat exchanging piece (1).
2. ellipse solar energy heat collection pipe as claimed in claim 1 is characterized in that, said end cap (2) is processed by iron-nickel alloy.
3. ellipse solar energy heat collection pipe as claimed in claim 2 is characterized in that, the other end of said ellipse glass outer tube (4) is provided with valve.
4. ellipse solar energy heat collection pipe as claimed in claim 3 is characterized in that, said transition termination (3) is provided with the hole, and said hole is passed in the rear section of said heat absorption and heat exchanging piece (1).
5. ellipse solar energy heat collection pipe as claimed in claim 4 is characterized in that, the forward part of said heat absorption and heat exchanging piece (1) is provided with coating for selective absorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120220793 CN202119146U (en) | 2011-06-27 | 2011-06-27 | Oval solar heat collecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120220793 CN202119146U (en) | 2011-06-27 | 2011-06-27 | Oval solar heat collecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119146U true CN202119146U (en) | 2012-01-18 |
Family
ID=45460207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120220793 Expired - Fee Related CN202119146U (en) | 2011-06-27 | 2011-06-27 | Oval solar heat collecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119146U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853569A (en) * | 2011-06-27 | 2013-01-02 | 北京市太阳能研究所有限公司 | Elliptic solar thermal collector and manufacturing method thereof |
| CN113429121A (en) * | 2021-07-26 | 2021-09-24 | 江伦 | Glass tube necking inward-turning flange and manufacturing method and equipment thereof |
-
2011
- 2011-06-27 CN CN 201120220793 patent/CN202119146U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853569A (en) * | 2011-06-27 | 2013-01-02 | 北京市太阳能研究所有限公司 | Elliptic solar thermal collector and manufacturing method thereof |
| CN102853569B (en) * | 2011-06-27 | 2015-08-05 | 北京市太阳能研究所有限公司 | Ellipse solar energy heat collection pipe and manufacture method thereof |
| CN113429121A (en) * | 2021-07-26 | 2021-09-24 | 江伦 | Glass tube necking inward-turning flange and manufacturing method and equipment thereof |
| CN113429121B (en) * | 2021-07-26 | 2022-08-05 | 江伦 | Glass tube necking inward-turning flange and manufacturing method and equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20180627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |