CN204285850U - A kind of vacuum tube solar heating element - Google Patents
A kind of vacuum tube solar heating element Download PDFInfo
- Publication number
- CN204285850U CN204285850U CN201420720345.XU CN201420720345U CN204285850U CN 204285850 U CN204285850 U CN 204285850U CN 201420720345 U CN201420720345 U CN 201420720345U CN 204285850 U CN204285850 U CN 204285850U
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- China
- Prior art keywords
- copper pipe
- tube
- outer copper
- vacuum tube
- heat exchanger
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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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- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
A kind of vacuum tube solar heating element, there is vacuum tube and heat exchanger tube, the pipeline of heat exchanger tube is equipped with water circulating pump, inside vacuum tube, thermal-collecting tube is housed, thermal-collecting tube has outer copper pipe and interior copper pipe, the lower end of outer copper pipe is cecum, the upper end of outer copper pipe is communicated with one end of heat exchanger tube, rubber sleeve for sealing is housed between outer copper pipe and vacuum tube, described interior copper pipe is placed in outer copper pipe, the lower end of interior copper pipe and the cecum of outer copper pipe are provided with gap, the upper end of interior copper pipe is communicated with the other end of heat exchanger tube through the tube wall of outer copper pipe, described interior copper pipe, in outer copper pipe and heat exchanger tube, superconducting fluid is housed.The utility model has the advantages that heat exchange efficiency is high, volume is little, saves erection space, reduces weight and the manufacturing cost of heat collector.
Description
Technical field
The utility model relates to solar thermal collector, refers in particular to a kind of vacuum tube solar heating element.
Background technology
Existing solar thermal collector has resistance to freezing, start fast, non-scaling, good heat insulation, pressure-bearing is high, resistance to sudden heating is good, simple installation, reliable feature is subject to the consistent favorable comment of user, through all previous update, its technology is comparatively ripe, pursuing of people is subject to as a kind of clean cheap heat energy providing source, but in large-and-medium size cities, the popularization of solar thermal collector but encounters bottleneck, trace it to its cause, because when using in city, the array of solar thermal collector takes up room larger, and in order to obtain enough solar irradiations, need the roof place being placed in building, so under the restriction of roof limited areal, only some resident family can enjoy the thermal source provided by solar thermal collector, in the vacuum tube of solar thermal collector, thermal-arrest belongs to environment thermal-arrest, temperature in vacuum tube can reach more than 200 degree, and the temperature of normal water is no more than 100 degree, remaining temperature can not exchange in time to export and utilize, just cause waste, so, improve the heat exchange efficiency of solar thermal collector, thus the volume of reduction solar thermal collector has become solar thermal collector in the key of city popularization and application, most effective method is the surface area increasing thermal-collecting tube in solar thermal collector, in improvement opportunity in the past, heat exchanger tube is made into helical form, although increase the heated surface area of thermal-collecting tube in vacuum tube, but the resistance of heating agent in thermal-collecting tube is increased, poor effect, so existing commercially available solar thermal collector also adopts U-shaped pipe as thermal-collecting tube mostly, but U-shaped pipe is by vacuum pipe inner cavity diameter and the shaping restriction of U-bend thereof, solar thermal collector heat exchange efficiency cannot be improved further, the volume of solar thermal collector cannot be reduced further.
Summary of the invention
The purpose of this utility model is to provide a kind of vacuum tube solar heating element, and the heat exchange efficiency of this technology heat collector is high, and volume is little.
The technical solution of the utility model is: a kind of vacuum tube solar heating element, there is vacuum tube and heat exchanger tube, the pipeline of heat exchanger tube is equipped with water circulating pump, inside vacuum tube, thermal-collecting tube is housed, it is characterized in that: thermal-collecting tube has outer copper pipe and interior copper pipe, the lower end of outer copper pipe is cecum, the upper end of outer copper pipe is communicated with one end of heat exchanger tube, rubber sleeve for sealing is housed between outer copper pipe and vacuum tube, described interior copper pipe is placed in outer copper pipe, the lower end of interior copper pipe and the cecum of outer copper pipe are provided with gap, the upper end of interior copper pipe is communicated with the other end of heat exchanger tube through the tube wall of outer copper pipe, described interior copper pipe, in outer copper pipe and heat exchanger tube, superconducting fluid is housed.
The outer wall of interior copper pipe is provided with insulating layer, and described insulating layer is rubber heat-insulation layer or plastic, thermal-insulation layer;
On interior copper pipe, cover has spiral helicine first fin, is provided with gap between the inwall of the first fin and outer copper pipe;
The inwall of outer copper pipe is connected with some for the second fin dispelled the heat, between the second fin and interior copper pipe, is provided with gap;
The outer wall of outer copper pipe is connected with some the 3rd fins for absorbing heat;
The tube wall of outer copper pipe is provided with several pits;
One end mouth of pipe place of interior copper pipe outside in copper pipe is provided with several equally distributed gap;
The utility model has the advantages that heat exchange efficiency is high, volume is little.Interior copper pipe is placed in outer copper pipe, make outer copper pipe outer wall can in vacuum tube in glass blind pipe sectional dimension in, increase the outer copper pipe surface of carrying out heat trnasfer to greatest extent to amass, superconducting fluid in the tubular cavity that interior copper pipe outer wall and outer copper pipe inwall are formed and outer copper pipe inwall are formed has certain thickness " liquid film ", the heat of outer copper pipe tube wall can be absorbed completely effectively, improve heat exchange efficiency, solar thermal collector of the present invention is because improve heat exchange efficiency, so comparatively conventional art is compared, under equal heat demand, it is less that the volume of heat collector of the present invention can do, save erection space, also reduce weight and the manufacturing cost of heat collector.
High and low temperature superconducting fluid in interior copper pipe and outer copper pipe can be carried out temperature isolation by insulating layer, avoids the low-temperature superconductive liquid of import department to absorb the temperature of exit high-temperature superconductor liquid, prevents the superconducting fluid entered in heat exchanger tube from losing temperature; Superconducting fluid in interior copper pipe, outer copper pipe and heat exchanger tube is by water circulating pump pumping circulation, spiral first fin, superconducting fluid in guiding between copper pipe outer wall and outer copper pipe inwall carries out rotational agitation along the hand of spiral of the first fin, superconducting fluid is mixed, keep temperature consistent, avoid the temperature difference phenomenon occurring " cool in outer heat ", improve the heat exchange efficiency of superconducting fluid; Second fin can increase the contact area of outer copper pipe and superconducting fluid, improves heat exchange efficiency; 3rd fin can increase the surface area of outer copper pipe, improves the collecting efficiency of outer copper pipe; Pit on outer copper pipe tube wall, can increase the surface area of outer copper pipe, increases the contact area with superconducting fluid simultaneously, improves heat exchange efficiency; Several gap of the interior copper pipe mouth of pipe can reduce the resistance of superconducting fluid flowing, the flow resistance of superconducting fluid is reduced, flows smooth and easy.More than other several the advantages of a kind of vacuum tube solar heating element of the present invention.
Accompanying drawing explanation
Fig. 1, be the structural representation of a kind of vacuum tube solar heating element of the utility model;
Fig. 2, be in Fig. 1 A-A to profile.
Glass blind pipe, 14 vacuum chambers, 15 gap, 16 superconducting fluid in copper pipe, 4 rubber sleeves, 5 insulating layers, 6 outer copper pipes, 7 the 3rd fins, 8 second fins, 9 pits, 10 first fins, 11 outer glass blind pipes, 12 solar selectively absorbing coatings, 13 in 1 water circulating pump, 2 heat exchanger tubes, 3 in figure.
Detailed description of the invention
A kind of vacuum tube solar heating element, there is vacuum tube and heat exchanger tube 2, water circulating pump 1 pipeline of heat exchanger tube is equipped with, inside vacuum tube, thermal-collecting tube is housed, thermal-collecting tube has outer copper pipe 6 and interior copper pipe 3, the lower end of outer copper pipe is cecum, the upper end of outer copper pipe is communicated with one end of heat exchanger tube, rubber sleeve 4 for sealing is housed between outer copper pipe and vacuum tube, described interior copper pipe is placed in outer copper pipe, the lower end of interior copper pipe and the cecum of outer copper pipe are provided with gap, the upper end of interior copper pipe is communicated with the other end of heat exchanger tube through the tube wall of outer copper pipe, described interior copper pipe, in outer copper pipe and heat exchanger tube, superconducting fluid 16 is housed.
Described vacuum tube is made up of the inside and outside glass blind pipe 11 be mutually socketed, the mutual welding in openend of two glass blind pipes, is provided with vacuum chamber 14 between two glass blind pipes, and the tube wall of interior glass blind pipe 13 scribbles solar selectively absorbing coating 12, thermal-collecting tube is contained in the tube chamber of interior glass blind pipe
Superconducting fluid to be pressurizeed pumping by water circulating pump, flow in inside and outside copper pipe and heat exchanger tube, in this technology, the superconducting fluid of normal temperature can flow in outer copper pipe by interior copper pipe, and after the interlayer of inside and outside copper pipe absorbs the heat energy on outer copper pipe tube wall, the superconducting fluid of high temperature enters heat exchanger tube by the openend of outer copper pipe; The superconducting fluid of normal temperature also can be entered by the openend of outer copper pipe, and after the interlayer of inside and outside copper pipe absorbs the heat energy on outer copper pipe tube wall, the superconducting fluid of high temperature enters heat exchanger tube by interior copper pipe; User can arbitrarily take over, and convenient construction is installed.Same as the prior art, the pipe shaft dish of heat exchanger tube is in heat exchange box, by the thermal energy exchange in heat exchanger tube to the water for user in heat exchange box, heat exchanger tube is also equipped with expansion drum, expansion drum is for regulating the pressure of superconducting fluid in inside and outside copper pipe and heat exchanger tube, and arranging expansion drum is the conventional means regulating manifold pressure.
The outer wall of interior copper pipe is provided with insulating layer 5, and described insulating layer is rubber heat-insulation layer or plastic, thermal-insulation layer.Insulating layer high insulating effect, ageing resistance that above-mentioned material is made are strong, the heat exchange of normal temperature superconducting fluid and high-temperature superconductor liquid in section is imported and exported for isolated inside and outside copper pipe, ensure that the superconducting fluid entered in heat exchanger tube is in high temperature section, while ensureing heat transfer effect, also can accelerate the start-up time of heat collector.
Interior copper pipe is provided with spiral helicine one end of first fin 10, first fin and the outer wall of interior copper pipe is connected, and is provided with gap between the other end of the first fin and the inwall of outer copper pipe.In the present embodiment, the first fin is thin copper belt, by be welded and fixed be coiled in interior copper pipe outer wall on, spiral first fin can play the effect of a guiding to the superconducting fluid in inside and outside copper pipe interlayer, superconducting fluid is rotated around interior copper pipe rise or decline, superconducting fluid temperature after stirring is consistent, whole superconducting fluid can be made fully to contact with outer copper pipe, absorb the heat energy on outer copper pipe tube wall, improve heat exchange efficiency; The cross section of the first fin also can be the cross section of triangle, other shape such as trapezoidal, and triangle or trapezoidal bottom surface are welded with the outer wall of interior copper pipe and be connected.
The inwall of outer copper pipe is connected with some the second fins 8 for dispelling the heat, each second fin is connected with outer copper pipe respectively, is provided with gap between the second fin and interior copper pipe.In this enforcement, the second fin is also scale copper, sent in outer copper pipe by welding clamp clamping and carry out welding being connected with outer copper pipe inwall, the effect of the second fin is that the temperature of outer copper pipe is passed to superconducting fluid, so the quantity of the second fin can be multiple, one group is encompassed in increased radioactivity, the diverse location of copper pipe tube wall can arrange interlaced multiple second fins set outside, improves heat exchange efficiency.
The outer wall of outer copper pipe is connected with some the 3rd fins 7 for absorbing heat, each 3rd fin is connected with outer copper pipe respectively.Arranging the 3rd fin is that heat absorbent surface in order to increase outer copper pipe further amasss, 3rd fin is copper sheet, outside copper pipe is increased radioactivity along tube wall, each 3rd fin to be welded with outer copper pipe by welding and is connected, the collecting efficiency of outer copper pipe can be improved, and then improve the heat exchange efficiency of superconducting fluid in outer copper pipe.
The tube wall of outer copper pipe is provided with several pits 9.Pit obtains by embossing machine rolling, the present embodiment pits is rectangular circle, also can the rolling shape of threads pit relative with the first fin, the mixed effect of superconducting fluid in flowing can be made better, advantage is the increase in the endotherm area of outer copper pipe, too increases the contact area of superconducting fluid and outer copper pipe simultaneously.
One end mouth of pipe place of interior copper pipe outside in copper pipe is provided with several equally distributed gap 15.This gap increases the nozzle sizes of interior copper pipe, can alleviate the turnover resistance of superconducting fluid in this place's mouth of pipe of interior copper pipe, alleviate the live load of water circulating pump.
A kind of vacuum tube solar heating element of the present utility model, improved by the innovation of above-mentioned structure, the creationary heat exchange efficiency enhancing solar thermal collector, solar thermal collector of the present invention is because improve heat exchange efficiency, so comparatively conventional art is compared, under equal heat demand, it is less that the volume of heat collector of the present invention can do, save erection space, also reduce weight and the manufacturing cost of heat collector.The structure of a kind of vacuum tube solar heating element of the present invention also can be applicable in heat exchanger, as the technical pattern of heat-exchanging part in heat exchanger, can improve the heat exchange efficiency of heat exchanger equally.
Claims (7)
1. a vacuum tube solar heating element, there is vacuum tube and heat exchanger tube, the pipeline of heat exchanger tube is equipped with water circulating pump, inside vacuum tube, thermal-collecting tube is housed, it is characterized in that: thermal-collecting tube has outer copper pipe and interior copper pipe, the lower end of outer copper pipe is cecum, the upper end of outer copper pipe is communicated with one end of heat exchanger tube, rubber sleeve for sealing is housed between outer copper pipe and vacuum tube, described interior copper pipe is placed in outer copper pipe, the lower end of interior copper pipe and the cecum of outer copper pipe are provided with gap, the upper end of interior copper pipe is communicated with the other end of heat exchanger tube through the tube wall of outer copper pipe, described interior copper pipe, in outer copper pipe and heat exchanger tube, superconducting fluid is housed.
2. a kind of vacuum tube solar heating element according to claim 1, is characterized in that: the outer wall of interior copper pipe is provided with insulating layer, and described insulating layer is rubber heat-insulation layer or plastic, thermal-insulation layer.
3. a kind of vacuum tube solar heating element according to claim 1, is characterized in that: on interior copper pipe, cover has spiral helicine first fin, is provided with gap between the inwall of the first fin and outer copper pipe.
4. a kind of vacuum tube solar heating element according to claim 1, is characterized in that: the inwall of outer copper pipe is connected with some for the second fin dispelled the heat, is provided with gap between the second fin and interior copper pipe.
5. a kind of vacuum tube solar heating element according to claim 1, is characterized in that: the outer wall of outer copper pipe is connected with some the 3rd fins for absorbing heat.
6. a kind of vacuum tube solar heating element according to claim 1, is characterized in that: the tube wall of outer copper pipe is provided with several pits.
7. a kind of vacuum tube solar heating element according to claim 1, is characterized in that: one end mouth of pipe place of interior copper pipe outside in copper pipe is provided with several equally distributed gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720345.XU CN204285850U (en) | 2014-11-25 | 2014-11-25 | A kind of vacuum tube solar heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420720345.XU CN204285850U (en) | 2014-11-25 | 2014-11-25 | A kind of vacuum tube solar heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204285850U true CN204285850U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420720345.XU Expired - Fee Related CN204285850U (en) | 2014-11-25 | 2014-11-25 | A kind of vacuum tube solar heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204285850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374098A (en) * | 2014-11-25 | 2015-02-25 | 白峻光 | Vacuum tube solar heat collector |
-
2014
- 2014-11-25 CN CN201420720345.XU patent/CN204285850U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374098A (en) * | 2014-11-25 | 2015-02-25 | 白峻光 | Vacuum tube solar heat collector |
| WO2016082398A1 (en) * | 2014-11-25 | 2016-06-02 | 白峻光 | Vacuum tube solar energy collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20181125 |