CN202598896U - Pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector - Google Patents
Pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector Download PDFInfo
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- CN202598896U CN202598896U CN2012201776798U CN201220177679U CN202598896U CN 202598896 U CN202598896 U CN 202598896U CN 2012201776798 U CN2012201776798 U CN 2012201776798U CN 201220177679 U CN201220177679 U CN 201220177679U CN 202598896 U CN202598896 U CN 202598896U
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- tube
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- exchanger tube
- leaking
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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 pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector, and overcomes the defects that a structure adopted in the prior art for solving the problems of pipe explosion and freeze at the same time is high in cost and low in rate of finished products, and a greater hidden danger is that leaking points can exist to affect the utilization effect of a solar thermal collector. The pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector comprises a thermal collector shell, a thermal insulating layer and an all-glass evacuated collector tube. A heat pipe inserted in the middle of the all-glass evacuated collector tube is formed by bending processing of one metal bellow. An elastic plug is arranged at a combining portion of openings of a first heat exchange tube and the all-glass evacuated collector tube. The pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector has the advantages that structure is simple, cost is low, pipe explosion cannot occur, water leaking points no longer exist, and the problems of water leakage and freeze are solved fundamentally. Besides, due to the fact that the heat exchange tube forms two tubes in the all-glass evacuated collector tube, heat exchange capacity is large, thermal efficiency is high, and requirements of different heat exchange media can be satisfied; and a plurality of heat exchange tubes can be assembled in juxtaposition mode according to needs of projects so that construction speed is fast and efficiency is high.
Description
Technical field
The utility model belongs to the solar thermal collector technical field, the anti-fried antifreeze leakproof solar thermal collector of particularly a kind of pressure-bearing type.
Background technology
At present, known closing-sunning type solar energy heat collector generally is made up of all glass vacuum heat collection tube of solar energy and heat collection water tank, during use; With all glass vacuum heat collection tube of solar energy and heat collection water tank is direct insertion fits together, the silica gel sealing ring sealing-in is adopted in the position that is connected between all glass vacuum heat collection tube of solar energy and the heat collection water tank, during work; Water in the heat collection water tank directly gets in all glass vacuum heat collection tube of solar energy, through the photo-thermal conversion, shines heat to the water in all glass vacuum heat collection tube of solar energy; Again with heat collection water tank in water carry out exchange heat, under passive state, fall into water to use, promptly the water in the heat collection water tank relies on drop to flow out to supply the user to use; For some reason, such as operate a switch have a power failure or cut off the water after, only exist the water in heat collection water tank and all glass vacuum heat collection tube of solar energy to evaporate rapidly; Make in heat collection water tank and all glass vacuum heat collection tube of solar energy to be in anhydrous state, because all glass vacuum heat collection tube of solar energy, is managed interior temperature and can be reached about 260 ℃ after 30 minutes in solar radiation; Suddenly go up water this moment, and running water gets in all glass vacuum heat collection tube of solar energy, can cause thermal shock; Cause the glass tube bombing of all glass vacuum heat collection tube of solar energy; Because all glass vacuum heat collection tube of solar energy directly is communicated with heat collection water tank, even if there is an all glass vacuum heat collection tube of solar energy to damage, then the water in the heat collection water tank just can all flow out; Cause system to metal run out, cause making systemic breakdown.In order to prevent the glass tube bombing of all glass vacuum heat collection tube of solar energy, system must move by full water, so; Antifreeze in the winter time, need do electric subsidiary conduit heater by service, in case power failure or electric switch are malfunctioning; Will cause system pipeline to be damaged by frost, cause making systemic breakdown.
In order to address this problem, the full pressure-bearing solar water heater of heat of transformation conduction has appearred in the prior art, there is not liquid in this solar water heater vacuum-tube, so can bear pressure, the anti-fried and antifreeze problem of the system that solved.But because the full pressure-bearing solar water heater heat collection pipe of heat of transformation conduction is by vacuum tube, heat of transformation conduit and is installed in the heat of transformation supravasal heat transfer aluminium wing and the heat transfer blind pipe that is arranged in the water tank constitutes, thereby complex structure, production cost are high; Since the full pressure-bearing solar water heater of heat of transformation conduction is a heat of transformation conduit (or claim super heat-conductive pipe) receive solar thermal energy through vacuum heat collection pipe after, make the evaporation rapidly of being heated of special working medium in the super heat-conductive pipe, be flushed to the condensation end at heat pipe top with heat energy; Heat is passed to the heat transfer blind pipe that is arranged in the water tank; Again through the heat transfer blind pipe to the water heat release, carry out exchange heat with water in the water tank, the working medium cooling becomes liquid and gets back to the heat pipe bottom again; Heated by vacuum heat collection pipe again; Repeat said process, the water in the water tank is heated gradually, thereby heat transfer efficiency is low.
In order to make anti-bombing simple in structure; And production cost is low; The application number that the applicant proposes is 201120373741.6 " a kind of pressure-bearing type is prevented the bombing solar energy heat collection pipe ", and characteristic is in the middle of all-glass vacuum thermal-collecting tube, to insert the metal heat exchanger tube, and fixes with jump ring; The place is welded to connect nut at metal heat exchanger tube top end opening, the heat collection water tank tube connector that in the attaching nut, is threaded and is connected usefulness with heat collection water tank.This utility model is simple in structure, and production cost is low, during use; The metal heat exchanger tube adopts through heat collection water tank tube connector and heat collection water tank and is threaded, and system can stablize bearing operation between 0.6～1.6MPa, has solved to occur the unbalanced and silica gel circle that cause of the pressure difficult problem of leaking between the solar water heating system thermal-collecting tube;,, can not produce bombing so be not afraid of empty the solarization owing to do not have water in the all-glass vacuum thermal-collecting tube yet; Can give the Jia Shui of system at any time, bring convenience to the user.In order to metal run out and to solve the antifreeze problem of metal heat exchanger tube in the problem solving the all-glass vacuum thermal-collecting tube bombing, the application number that Tsing-Hua University proposes is that 02240331.0 patent application discloses the bilateral glass-metal vacuum solar thermal-collecting tube with pipe in the direct compensation formula, and this utility model is mainly by the glass outer tube; The surface is coated with the metal inner pipe of coating for selective absorption; Blast pipe, the outer siphunculus that links to each other with interior pipe two ends and form with the metal cap of inner and outer pipe two ends sealing-in is a vacuum interlayer between outer tube and the interior pipe; It is undulatory metal tube that said metal inner pipe adopts all or part of; But owing to be vacuum interlayer between its metal inner pipe and the glass outer tube, said employing is all or part of for being in the vacuum interlayer in the undulatory metal tube; The structure of sealing-in and the technology of sealing-in are very complicated, and manufacturing cost is increased.The applicant is in order to solve same problem, and the application number of proposition is a kind of pressure-bearing type anti-freeze solar thermal-collecting tube of 201120370667.2, and the technical scheme of employing comprises all-glass vacuum thermal-collecting tube; In the middle of all-glass vacuum thermal-collecting tube, insert the metal heat exchanger tube; Welding antifreeze conical pipe in said metal heat exchanger tube bottom in order to seal, welding heat exchange bellows in said metal heat exchanger tube upper end has realized that all-glass vacuum thermal-collecting tube prevents bombing and antifreeze; But because there is pad in welding heat exchange bellows in metal heat exchanger tube upper end; Not only cost is high, and yield rate is low, and bigger hidden danger is possibly have leak source.
In addition; The common defective that prior art exists is; The heat exchanger tube that in the middle of all-glass vacuum thermal-collecting tube, inserts all is single assembling, and heat exchanger tube also is that single tube is connected with heat collection water tank, then has 30 connectors like 30 heat exchanger tubes; Also possibly there is leak source in said structure at heat exchanger tube and heat collection water tank junction, influences the result of use of solar thermal collector.
Summary of the invention
The utility model technical problem to be solved is, overcomes the weak point that prior art exists, and provides to solve the anti-fried antifreeze leakproof solar thermal collector of anti-fried antifreeze a kind of pressure-bearing type with leakproof simultaneously.
The technical scheme that the utility model adopts comprises heat collector shell, heat-insulation layer and all-glass vacuum thermal-collecting tube; First heat exchanger tube that in the middle of all-glass vacuum thermal-collecting tube, inserts is formed by 1 metal bellows bending machining, at first heat exchanger tube and all-glass vacuum thermal-collecting tube opening part binding site the elasticity shutoff is installed.
Be processed with 2 in the said elasticity shutoff and go out pore, at least one venthole and 1 open seam.
When needs strengthen collector area, said first heat exchanger tube installation arranged side by side simultaneously second heat exchanger tube identical with first heat exchange tube structure is being installed.
The beneficial effect of the utility model is:
(1) simple in structure, cost is low, owing to do not have liquid in the all-glass vacuum thermal-collecting tube, so be not afraid of empty the solarization, can not produce bombing;
(2) form by 1 metal bellows bending machining owing to heat exchanger tube; There is not welding node; Also cancel being threaded or welding between a plurality of single metal heat exchanger tubes and the heat collection water tank, thereby no longer included leakage point, do not needed to adopt again the silica gel sealing ring sealing; Fundamentally solved the difficult problem of leaking, made system can between 0.6～1.6MPa, stablize bearing operation;
(3) because heat exchanger tube forms two-tubely in all-glass vacuum thermal-collecting tube, and endotherm area is big, the heat exchange volume increases 1 times, so thermal efficiency height;
(4) because heat exchanger tube all adopts metal bellows, have load performance preferably, can not produce distortion and spalling, the heat transferring medium that adds in the heat exchanger tube can be water or anti-icing fluid, has satisfied the needs of various heat exchange medium;
(5) owing to the pipe explosion characteristic of thermal-collecting tube, as required, the working method of emptying at any time can be made by system, after the system pipeline emptying, can take any antifreezing measures;
(6) the utility model can be assembled a plurality of heat exchanger tubes side by side according to the needs of engineering, and speed of application is fast, and efficient is high.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment 1;
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1;
Fig. 3 is the B-B cutaway view Amplified image of Fig. 1;
Fig. 4 is the main cutaway view of looking of the utility model elasticity shutoff;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the structural representation of the utility model specific embodiment 2;
Fig. 7 is the C-C cutaway view Amplified image of Fig. 6.
Among the figure:
1. heat collector shell, 2. heat-insulation layer,
3. first heat exchanger tube, 4. first heat exchanger tube goes out outspoken connected nut,
5. elasticity shutoff,
5-1. go out pore, the 5-2. venthole, the 5-3. open seam,
6. dustproof wind loop, 7. fixing jump ring,
8. all-glass vacuum thermal-collecting tube
8-1. the thermal-collecting tube outer tube,
8-2. heat-collecting pipe vacuum interlayer
8-3. pipe in the thermal-collecting tube,
9. the fast connected nut of the first heat exchanger tube import,
10. second heat exchanger tube,
11. the fast connected nut of the second heat exchanger tube import
12. second heat exchanger tube goes out outspoken connected nut.
The specific embodiment
The specific embodiment 1
Like Fig. 1, Fig. 2 and shown in Figure 3; The utility model comprises the all-glass vacuum thermal-collecting tube of being processed by pipe 8-3 in thermal-collecting tube outer tube 8-1, heat-collecting pipe vacuum interlayer 8-2 and the thermal-collecting tube 8; This all-glass vacuum thermal-collecting tube 8 is less than or equals 18; In the thermal-collecting tube of all-glass vacuum thermal-collecting tube 8, insert first heat exchanger tube 3 in the middle of the pipe 8-3, said first heat exchanger tube 3 is formed by 1 metal bellows bending machining, and its crooked number is suitable with the all-glass vacuum thermal-collecting tube number; After said first heat exchanger tube 3 inserts and manages the 8-3 centre in the all-glass vacuum thermal-collecting tube; Fixedly jump ring 7 is installed outside first heat exchanger tube 3,, the elasticity shutoff 5 by silicon rubber processing is installed at first heat exchanger tube 3 and all-glass vacuum thermal-collecting tube 8 opening part binding sites so that first heat exchanger tube 3 is stably fixed in the thermal-collecting tube among the pipe 8-3; Like Fig. 4 and shown in Figure 5; Be processed with 2 in the said elasticity shutoff 5 and go out pore 5-1, at least 1 venthole 5-2 and at 2 open seam 5-3 that go out on the pore 5-1 concentric line, said 2 go out pore 5-1 and in 1 thermal-collecting tube, form two-tube situation in the middle of the pipe 8-3 in order to tackle first heat exchanger tube, 3 crooked backs, and said open seam 5-3 cuts out one slits in the middle of elasticity shutoff 5; Can elasticity shutoff 5 outwards be opened through this slit; What first heat exchanger tube, 3 crooked backs formed so that pack into is two-tube, and after the two-tube elasticity shutoff 5 of packing into that first heat exchanger tube, 3 crooked backs are formed, this open seam 5-3 returns to ortho states; Can play sealing function to all-glass vacuum thermal-collecting tube 8 openend positions; Said venthole 5-2 is in order to make in the thermal-collecting tube pipe 8-3 decompression, prevents in the thermal-collecting tube hot-air excessive expansion in the pipe 8-3 and blasted pipe phenomenon takes place, and in 3 imports of first heat exchanger tube fast connected nut 9 of the first heat exchanger tube import is installed; In 3 outlets of first heat exchanger tube first heat exchanger tube is installed and outspoken connected nut 4; The openend position of said all-glass vacuum thermal-collecting tube 8 and be installed in the heat collector shell 1 with first heat exchanger tube 3 on top, and in heat collector shell 1 filling heat insulating wall 2, in all-glass vacuum thermal-collecting tube 8 and heat collector shell 1 contact site dustproof wind loop 6 is installed; During use; When needs heated, heat transferring medium (water or anti-icing fluid) directly got in first heat exchanger tube 3 through the feed tube that is connected with the fast connected nut 9 of the first heat exchanger tube import, first heat exchanger tube 3 in all-glass vacuum thermal-collecting tube 8 through vexed solarization thermal-arrest; Water or the anti-icing fluid heating in first heat exchanger tube, 3 pipes, again through going out the external collecting system of drain pipe entering that outspoken connected nut 4 is connected with first heat exchanger tube.
The specific embodiment 2
Like Fig. 6 and shown in Figure 7; When needs strengthen collector area, as at all-glass vacuum thermal-collecting tube 8 during more than 18, at the curtailment of existing metal bellows under situation about forming by 1 metal bellows bending machining; In order to make heat exchanger tube not have welding junction; First heat exchanger tube 3 being installed simultaneously, second heat exchanger tube 10 and the all-glass vacuum thermal-collecting tube 8 identical with first heat exchanger tube, 3 structures are installed side by side, and the fast connected nut 11 of the second heat exchanger tube import are installed in 10 imports of second heat exchanger tube; In 11 outlets of second heat exchanger tube second heat exchanger tube is installed and outspoken connected nut 12; During use, the heat transferring medium in first heat exchanger tube 3 and second heat exchanger tube 10 respectively all-glass vacuum thermal-collecting tube 8 in through vexed solarization thermal-arrest, again through in the external collecting system of the drain pipe entering that is connected respectively with first heat exchanger tube 3 and second heat exchanger tube 10.
Claims (3)
1. a pressure-bearing type is prevented fried antifreeze leakproof solar thermal collector; Comprise thermal-arrest box shell (1), heat-insulation layer (2) and all-glass vacuum thermal-collecting tube (8); It is characterized in that; First heat exchanger tube (3) that in said all-glass vacuum thermal-collecting tube, inserts in the middle of the pipe (8) is formed by 1 metal bellows bending machining, at first heat exchanger tube (3) and all-glass vacuum thermal-collecting tube (8) opening part binding site elasticity shutoff (5) is installed.
2. according to the anti-fried antifreeze leakproof solar thermal collector of the said a kind of pressure-bearing type of claim 1, it is characterized in that, be processed with 2 in the said elasticity shutoff (5) and go out pore (5-1), at least one venthole (5-2) and 1 open seam (5-3).
3. according to the anti-fried antifreeze leakproof solar thermal collector of the said a kind of pressure-bearing type of claim 1, it is characterized in that, second heat exchanger tube (10) identical with first heat exchanger tube (3) structure is installed simultaneously side by side at said first heat exchanger tube of installation (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201776798U CN202598896U (en) | 2012-04-25 | 2012-04-25 | Pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201776798U CN202598896U (en) | 2012-04-25 | 2012-04-25 | Pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202598896U true CN202598896U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201776798U Expired - Fee Related CN202598896U (en) | 2012-04-25 | 2012-04-25 | Pressure-bearing type anti-exploding, anti-freezing and anti-leaking solar thermal collector |
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| Country | Link |
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| CN (1) | CN202598896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062929A (en) * | 2013-01-22 | 2013-04-24 | 无锡环特太阳能科技有限公司 | Pressure-bearing volumetric solar collector with heat pipe |
-
2012
- 2012-04-25 CN CN2012201776798U patent/CN202598896U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062929A (en) * | 2013-01-22 | 2013-04-24 | 无锡环特太阳能科技有限公司 | Pressure-bearing volumetric solar collector with heat pipe |
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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: 20121212 Termination date: 20190425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |