CN220287790U - Pressure-bearing solar water heater - Google Patents
Pressure-bearing solar water heater Download PDFInfo
- Publication number
- CN220287790U CN220287790U CN202321723381.7U CN202321723381U CN220287790U CN 220287790 U CN220287790 U CN 220287790U CN 202321723381 U CN202321723381 U CN 202321723381U CN 220287790 U CN220287790 U CN 220287790U
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- China
- Prior art keywords
- water heater
- heat
- pressure
- heat exchange
- exchange tube
- Prior art date
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000005520 cutting process Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a pressure-bearing solar water heater, which comprises a water heater main body, a vacuum tube and a heat collection assembly, wherein the vacuum tube is arranged on the water heater main body; the water heater main body is fixedly connected with a plurality of connecting pipes; the connecting pipe is in threaded connection with the heat collection assembly; the heat collection assembly is concentrically arranged in the vacuum tube; and the outer wall of the heat collection assembly is attached to the inner wall of the vacuum tube. The utility model has the advantages that: through setting up the heat conduction spare at heat exchange tube week side, heat conduction spare week side laminating aluminum hull, aluminum hull outer wall and vacuum tube inner wall laminating mode have improved heat conduction efficiency. The mode of combination of the inner tooth cutting sleeve nut and the polytetrafluoroethylene gasket is in threaded connection with the connecting pipe, so that the sealing performance is guaranteed, and the inner tooth cutting sleeve nut is convenient to install and detach. The flanging section of the heat exchange tube is matched with the inner tooth clamping sleeve nut through rolling flanging, so that the stability of connection is ensured. The tail end of the heat exchange tube is flattened in an extrusion mode and subjected to resistance welding sealing, so that the compressive strength of the heat exchange tube is ensured, and the heat exchange tube is convenient to machine and form.
Description
Technical Field
The utility model relates to the technical field of solar water heaters, in particular to a pressure-bearing solar water heater.
Background
Under the background of increasingly tense energy sources, solar water heaters are widely used due to the characteristics of energy conservation, comfort and environmental protection, and the solar water heaters used in the current market are divided into two types according to whether the water storage tank liner of the solar water heaters is in pressure-bearing operation or not: pressure-bearing solar water heater and non-pressure-bearing solar water heater. The pressure-bearing solar water heater is divided into a heat pipe pressure-bearing water heater and a U-shaped pipe pressure-bearing water heater, wherein the heat pipe pressure-bearing water heater is generally in natural circulation, and the system operates in a pressure-bearing way, so that the bathing effect is good; the single tube damages the whole machine to operate as it is; the system is started quickly.
In the prior art, the heat pipe technology of the pressure-bearing solar water heater is mature, but the heat pipe processing technology is complex, the structural accessories are more, the manufacturing cost is higher, and the cost performance is low, so that the development of the heat pipe is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a pressure-bearing solar water heater with a simple structure.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the pressure-bearing solar water heater comprises a water heater main body, a vacuum tube and a heat collection assembly; the water heater main body is fixedly connected with a plurality of connecting pipes; the connecting pipe is in threaded connection with the heat collection assembly; the heat collection assembly is concentrically arranged in the vacuum tube; and the outer wall of the heat collection assembly is attached to the inner wall of the vacuum tube.
Further, the heat collection assembly comprises a heat exchange tube, a heat conduction piece, an aluminum shell, an inner tooth clamping sleeve nut and a polytetrafluoroethylene gasket; the heat conducting piece is positioned on the periphery side of the heat exchange tube; the aluminum shell is attached to the periphery of the heat conducting piece; the upper end of the heat exchange tube is movably connected with the inner tooth clamping sleeve nut; and the polytetrafluoroethylene gasket is arranged in the inner tooth clamping sleeve nut.
Further, the heat exchange tube is an integrally formed piece; the heat exchange tube comprises a straight tube section, a flanging section positioned at the upper end of the straight tube section and a flattening section positioned at the lower end of the straight tube section.
Further, the heat conductive member is selected from stainless steel wound heat conductive sheets; and two ends of the stainless steel winding heat conducting fin are fixedly connected with two ends of the heat exchange tube respectively.
Further, the heat conducting member is selected from aluminum skiving.
Further, the water heater main body further comprises a shell, an inner container and a heat preservation layer; the inner container is arranged in the shell; the heat preservation layer is filled between the shell and the liner; the heat preservation layer is made of polyurethane.
Further, the left end of the inner container is communicated with a cold water inlet connecting pipe, and the upper end of the inner container is communicated with a hot water outlet connecting pipe.
Further, the upper end of the inner container is detachably connected with a magnesium rod, and the right end of the inner container is provided with an auxiliary heating joint.
Further, a silica gel plug is arranged between the connecting pipe and the vacuum pipe.
Furthermore, the water heater main body and the vacuum tube are detachably connected with a dust ring at the joint gap.
The utility model has the beneficial effects that:
through setting up the heat conduction spare at heat exchange tube week side, heat conduction spare week side laminating aluminum hull, aluminum hull outer wall and vacuum tube inner wall laminating mode have improved heat conduction efficiency. The mode of combination of the inner tooth cutting sleeve nut and the polytetrafluoroethylene gasket is in threaded connection with the connecting pipe, so that the sealing performance is guaranteed, and the inner tooth cutting sleeve nut is convenient to install and detach. The flanging section of the heat exchange tube is matched with the inner tooth clamping sleeve nut through rolling flanging, so that the stability of connection is ensured. The tail end of the heat exchange tube is flattened in an extrusion mode and subjected to resistance welding sealing, so that the compressive strength of the heat exchange tube is ensured, and the heat exchange tube is convenient to machine and form.
Drawings
FIG. 1 is a schematic diagram of a pressure-bearing solar water heater;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a schematic view of a heat collection assembly;
FIG. 5 is a schematic view of a heat exchange tube;
FIG. 6 is an enlarged view at C in FIG. 5;
fig. 7 is a side sectional view of a pressure-bearing solar water heater.
In the figure, a 1-water heater main body, a 2-vacuum tube, a 3-heat collecting component, a 4-cold water inlet connecting tube, a 5-hot water outlet connecting tube, a 6-magnesium rod, a 7-auxiliary heating joint, an 8-silica gel plug, a 9-dust ring, an 11-connecting tube, a 12-shell, a 13-inner container, a 14-heat preservation layer, a 31-heat exchange tube, a 32-stainless steel winding heat conducting sheet, a 33-aluminum shell, a 34-inner tooth clamping sleeve nut, a 35-polytetrafluoroethylene gasket, a 311-flanging section, a 312-straight cylinder section and a 313-flattening section.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1-7, a pressure-bearing solar water heater comprises a water heater main body 1, a vacuum tube 2 and a heat collection assembly 3; a plurality of connecting pipes 11 are fixedly connected to the water heater main body 1; the connecting pipe 11 is in threaded connection with the heat collection assembly 3; the heat collection assembly 3 is concentrically arranged in the vacuum tube 2; the outer wall of the heat collection assembly 3 is attached to the inner wall of the vacuum tube 2. The water heater main body 1 is a main container for storing water. The vacuum tube 2 is capable of absorbing solar energy. The heat collecting assembly 3 can conduct heat from the energy absorbed by the vacuum tube 2. In actual use, the connecting pipe 11 is welded with the water heater main body 1, so that the sealing performance is effectively ensured. The heat-conducting property can be effectively ensured by the joint of the outer wall of the heat-collecting component 3 and the inner wall of the vacuum tube 2.
Specifically, the heat collection assembly 3 comprises a heat exchange tube 31, a heat conduction member 32, an aluminum shell 33, an inner tooth clamping sleeve nut 34 and a polytetrafluoroethylene gasket 35; the heat conductive member 32 is located on the peripheral side of the heat exchange tube 31; an aluminum case 33 is attached to the peripheral side of the heat conductive member 32; the upper end of the heat exchange tube 31 is movably connected with an inner tooth clamping sleeve nut 34; a polytetrafluoroethylene gasket 35 is arranged inside the inner tooth clamping sleeve nut 34. In actual production, the heat exchange tube 31 of the utility model adopts a stainless steel round tube with phi 22 for cutting and blanking. The sleeve inner tooth clamping sleeve nut 9 can fix the heat exchange tube 31 and the connecting tube 11. The heat conducting piece 32 is tightly attached to the outer side of the heat exchange tube 31, so that the heat exchange area of the heat exchange tube 31 is increased, and the effective heat transfer is ensured. Because the aluminum shell 33 is soft and attached to the outer side of the heat conducting piece 32, the contact area is effectively increased, and the outer wall is attached to the inner wall of the vacuum tube 2, so that the heat of the vacuum tube 2 can be effectively conducted through the aluminum shell 33. The inner tooth cutting sleeve nut 34 is matched with the polytetrafluoroethylene gasket 35 to carry out end face sealing connection on the heat exchange tube 31 and the connecting tube 11.
Specifically, the heat exchange tube 31 is an integrally formed piece; the heat exchange tube 31 includes a straight tube section 312, a burring section 311 located at the upper end of the straight tube section 312, and a flattening section 313 located at the lower end of the straight tube section 312. The flanging section 311 is formed by rolling and flanging, and the flattening section 313 is formed by flattening the round tube by extrusion and performing resistance welding sealing. The flange section 311 makes the connection mode of the heat exchange tube 31 more convenient, and is beneficial to installation and disassembly.
Specifically, the heat conductive member 32 is selected from stainless steel wound heat conductive sheets; in order to improve the stability of the stainless steel winding heat conducting strip, one end of the stainless steel winding heat conducting strip is fixed at the flanging section 311 close to the heat exchange tube 31 by adopting spot welding, soldering or throat hoops, the stainless steel winding heat conducting strip is twisted to be tightly attached to the outer diameter of the heat exchange tube 31, and after the stainless steel winding heat conducting strip is stretched to a preset length, the stainless steel winding heat conducting strip is also fixed by adopting a spot welding, soldering or throat hoops mode.
Alternatively, the heat conductive member 32 is selected from aluminum skiving. The aluminum chips are filled between the heat exchange tube 31 and the aluminum shell 33 for heat conduction, and the aluminum chips are convenient to obtain, can save resources and have good heat conduction performance.
Specifically, the water heater main body 1 further comprises a shell 12, an inner container 13 and a heat preservation layer 14; the inner container 13 is arranged in the outer shell 12; an insulating layer 14 is filled between the outer shell 12 and the inner container 13; the heat insulating layer 14 is made of polyurethane. The housing 12 provides stability to the solar water heater as a whole. The inner container 13 is used for a space for storing water and heating. The insulating layer 14 can prevent the water heat after heating from being dissipated.
Specifically, the left end of the liner 13 is communicated with a cold water inlet connecting pipe 4, and the upper end is communicated with a hot water outlet connecting pipe 5. The cold water inlet connecting pipe 4 facilitates cold water inlet. The hot water outlet connection pipe 5 facilitates the supply of hot water.
Specifically, the upper end of the liner 13 is detachably connected with a magnesium rod 6, and the right end is provided with an auxiliary heating joint 7. The auxiliary heating joint 7 can perform auxiliary heating when no heat is provided by the sun, so that continuous supply of hot water is ensured.
Specifically, a silica gel plug 8 is arranged between the connecting pipe 11 and the vacuum pipe 2. The silica gel plug 8 can fix the vacuum tube 2, so that the stability of the vacuum tube is enhanced.
Specifically, the joint of the water heater main body 1 and the vacuum tube 2 is detachably connected with a dust ring 9. The dust ring 9 prevents dust from entering the gap between the vacuum tube 2 and the heat collecting assembly 3, affecting the heat transfer efficiency.
The working principle of the utility model is as follows:
the heat collection assembly 3 is assembled firstly, the heat exchange tube 31 is cut and blanked by using a stainless steel circular tube, one end face is rolled and turned, the inner tooth clamping sleeve nut 34 is sleeved at the lower end of the turned-over section 311, and then the heat conduction piece 32 is sleeved on the heat exchange tube 31. Then, the flattening section 313 of the heat exchange tube 31 is flattened by extrusion, and subjected to resistance welding sealing, and air pressure leak test of 0.7 MPa. After the heat conduction plate is qualified, the aluminum shell 33 is attached to the periphery of the stainless steel winding heat conduction plate 32, the outer diameter of the aluminum shell 33 is overlapped with the inner diameter of the vacuum tube 2, and heat conduction can be guaranteed.
After the heat collection assembly 3 is assembled, the heat collection assembly 3 is concentrically inserted into the vacuum tube 2, the silica gel plug 8 is sleeved on the connecting tube 11, the polytetrafluoroethylene pad 35 is placed in the inner tooth clamping sleeve nut 34, and the inner tooth clamping sleeve nut 34 is in threaded connection with the connecting tube 11, so that the inner tooth clamping sleeve nut is sealed. The silica gel plug 8 is plugged into the gap between the connecting pipe 11 and the vacuum pipe 2, so that the stability of the silica gel plug is maintained. Finally, a dust ring 9 is installed at the gap between the opening of the water heater body 1 and the vacuum tube 2 to prevent dust from entering.
According to the utility model, the heat collecting components and the vacuum pipes with different specifications can be matched according to the specifications of the solar water heater main body, so that the contact area of the heat collecting components and the vacuum pipes is ensured, and the heat conduction efficiency of the solar water heater is effectively ensured. The experiment shows that the energy efficiency coefficient measured value of the utility model is 0.46, and the daily useful heat is 8.3MJ/m 2 The average heat loss factor was 11W/(m) 3 ·K)。
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (10)
1. The utility model provides a pressure-bearing solar water heater, includes water heater main part (1), vacuum tube (2), its characterized in that: also comprises a heat collection assembly (3); a plurality of connecting pipes (11) are fixedly connected to the water heater main body (1); the connecting pipe (11) is in threaded connection with the heat collection assembly (3); the heat collection assembly (3) is concentrically arranged in the vacuum tube (2); the outer wall of the heat collection assembly (3) is attached to the inner wall of the vacuum tube (2).
2. The pressure-bearing solar water heater as claimed in claim 1, wherein: the heat collection assembly (3) comprises a heat exchange tube (31), a heat conduction piece (32), an aluminum shell (33), an inner tooth clamping sleeve nut (34) and a polytetrafluoroethylene gasket (35); the heat conducting piece (32) is positioned on the periphery side of the heat exchange tube (31); the aluminum shell (33) is attached to the periphery of the heat conducting member (32); the upper end of the heat exchange tube (31) is movably connected with the inner tooth clamping sleeve nut (34); the polytetrafluoroethylene gasket (35) is arranged inside the inner tooth clamping sleeve nut (34).
3. A pressure-bearing solar water heater as defined in claim 2, wherein: the heat exchange tube (31) is an integral molding; the heat exchange tube (31) comprises a straight tube section (312), a flanging section (311) positioned at the upper end of the straight tube section (312) and a flattening section (313) positioned at the lower end of the straight tube section (312).
4. A pressure-bearing solar water heater as defined in claim 2, wherein: the heat conducting member (32) is selected from stainless steel wound heat conducting sheets; the two ends of the stainless steel winding heat conducting fin are fixedly connected with the two ends of the heat exchange tube (31) respectively.
5. A pressure-bearing solar water heater as defined in claim 2, wherein: the heat conducting member (32) is selected from aluminum skiving.
6. A pressure-bearing solar water heater as defined in claim 2, wherein: the water heater main body (1) further comprises a shell (12), an inner container (13) and an insulating layer (14); the inner container (13) is arranged in the shell (12); the heat preservation layer (14) is filled between the shell (12) and the liner (13); the heat preservation layer (14) is made of polyurethane.
7. The pressure-bearing solar water heater as claimed in claim 6, wherein: the left end of the inner container (13) is communicated with a cold water inlet connecting pipe (4), and the upper end is communicated with a hot water outlet connecting pipe (5).
8. The pressure-bearing solar water heater as defined in claim 7, wherein: the upper end of the inner container (13) is detachably connected with a magnesium rod (6), and the right end of the inner container is provided with an auxiliary heating joint (7).
9. The pressure-bearing solar water heater as claimed in claim 1, wherein: a silica gel plug (8) is arranged between the connecting pipe (11) and the vacuum pipe (2).
10. The pressure-bearing solar water heater as claimed in claim 1, wherein: a dust ring (9) is detachably connected at the joint of the water heater main body (1) and the vacuum tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321723381.7U CN220287790U (en) | 2023-07-04 | 2023-07-04 | Pressure-bearing solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321723381.7U CN220287790U (en) | 2023-07-04 | 2023-07-04 | Pressure-bearing solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220287790U true CN220287790U (en) | 2024-01-02 |
Family
ID=89326630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321723381.7U Active CN220287790U (en) | 2023-07-04 | 2023-07-04 | Pressure-bearing solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220287790U (en) |
-
2023
- 2023-07-04 CN CN202321723381.7U patent/CN220287790U/en active Active
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