CN203036734U - Natural circulation device for heating through utilization of solar optothermal energy - Google Patents
Natural circulation device for heating through utilization of solar optothermal energy Download PDFInfo
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- CN203036734U CN203036734U CN 201320051189 CN201320051189U CN203036734U CN 203036734 U CN203036734 U CN 203036734U CN 201320051189 CN201320051189 CN 201320051189 CN 201320051189 U CN201320051189 U CN 201320051189U CN 203036734 U CN203036734 U CN 203036734U
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Abstract
A natural circulation device for heating through utilization of solar optothermal energy comprises a plurality of solar vacuum glass heat collecting tubes (1), a plurality of metal branch tubes (2), an outdoor pipeline (3), an indoor heat dissipation pipeline (5) and a connecting pipeline (4) for connecting the outdoor pipeline (3) and the indoor heat dissipation pipeline (5). The solar vacuum glass heat collecting tubes (1) are parallel to each other and located outdoors. The meal branch tubes (2) are respectively inserted into tube cavities of the solar vacuum glass heat collecting tubes (1). The metal branch tubes (2) are respectively communicated with the outdoor pipeline (3). A tube orifice of each solar vacuum glass heat collecting tube (1) is closed with the outer wall of one corresponding metal branch tube (2). The height difference is formed between the indoor heat dissipation pipeline (5) and the outdoor pipeline (3). The right amount of circulation medium R134a or water is filled in a communicating airtight pipeline formed by the metal branch tubes (2), the outdoor pipeline (3), the connecting pipeline (4) and the indoor heat dissipation pipeline (5). The natural circulation device is suitable for supplying heat for indoor spaces of buildings in cold regions and areas without electricity, and is capable of carrying out natural circulating, free from external power, simple in structure, and high in thermal efficiency.
Description
Technical field
The utility model relates to a kind of at the natural-circulation heating device extremely cold, that areas without electricity need not extrinsic motive, be specifically related to a kind of Natural Circulation device that utilizes solar energy optical-thermal heating, go in the interior space heating to building of cold district and areas without electricity.
Background technology
The basic mode of solar energy utilization can be divided into light-heat utilization, light-electricity utilization, light-chemistry utilization, light-biological utilisation four classes.Utilize in the mode at four class solar energy, the technology of light-Re conversion is the most ripe, and product is also maximum, and cost is relatively low.As: solar water heater, boiler, drier, solar cooker, solar energy greenhouse, solar energy housing, solar energy sea water desalination apparatus and solar heating and refrigerator etc.Wherein, light-heat utilization is that solar radiant energy is collected, and converts heat energy to by the interaction with material and is used.At present, use maximum solar collecting devices to mainly contain three kinds of flat plate collector, vacuum tube collector and concentrating collectors etc.
Existing solar heating technology mainly makes water do circulatory mediator, easily endures cold at cold district, and needs to use the circulating pump of power consumption, causes solar heating to be restricted in the application of cold district and areas without electricity.
Summary of the invention
In order to overcome the problem that above-mentioned prior art exists, the utility model provides a kind of Natural Circulation device that utilizes the solar energy optical-thermal heating, the interior space of solar energy optical-thermal being assembled and effectively transferred to building, be the indoor environment heating, its structural design is simple, thermal efficiency height can use at cold district and areas without electricity.
The Natural Circulation device that utilizes the solar energy optical-thermal heating of the present utility model comprises: the connecting pipe that is positioned at the many outdoor glass heat collection tubes that are parallel to each other, yard piping, indoor hot channel and connection and communication chamber Outer Tube and indoor hot channel.Wherein, also comprise many metal arms, these metal arms insert respectively in the tube chamber of described glass heat collection tube, and each metal arm is all vertical with yard piping and be communicated with, and the outer wall of the mouth of pipe of every glass heat collection tube and respective metal arm forms sealing; The position of indoor hot channel is than yard piping height; Be filled with an amount of circulatory mediator by metal arm, yard piping, connecting pipe and indoor hot channel in the formed closed conduit space that communicates.
Described glass heat collection tube is the solar energy vacuum glass thermal-collecting tube, and they are the uncovered U-shaped pipes in upper end.
Described closed conduit space is evacuated the back and injects described circulatory mediator R134a or water.
Put into filler aluminium foil or quartz sand in the space between paired glass heat collection tube inwall and metal arm outer wall.
Outer end at yard piping also is connected with the adjusting pipeline, is provided with stop valve between yard piping and the adjusting pipeline, is provided with filled valve at the adjusting pipeline.And, be enclosed with insulation material at yard piping and adjusting pipeline.
Described yard piping, connecting pipe, indoor hot channel and adjusting pipeline adopt metallic conduit, specifically are seamless steel pipe, aluminum pipe or copper pipe.
Described metal arm is steel pipe, aluminum pipe or copper pipe.
The mouth of pipe of described glass heat collection tube arranges seal cover.
The requirement of withstand voltage of described yard piping, connecting pipe, indoor hot channel and adjusting pipeline, stop valve, filled valve surpasses 4MPa.
Like this, behind the solar energy vacuum glass thermal-collecting tube thermal-arrest, part R134a in the metal arm that is heated or water heat absorption carburation by evaporation, R134a after the vaporization or water are along yard piping and connecting pipe, hot channel in the inlet chamber, condensation after part R134a in the indoor hot channel or water and indoor hot channel and the indoor Medium Exchange heat, condensed liquid R134a or water are at the indoor hot channel in gravity effect lower edge, connecting pipe and yard piping are back to the metal arm, the solar energy that thermal-collecting tube is gathered that so moves in circles is transferred to indoor, with interior space heating, realize the function of heating.
As seen, compared with prior art, the utlity model has beneficial technical effects, imbody in the following areas:
1. the metallic conduit interconnection forms the closed conduit space, and behind injection circulatory mediator R134a or the water, the circulatory mediator heat transfer rate is exceedingly fast after vacuumizing.This interconnection structure has overcome the defective that present solar energy heat collection pipe and circulatory mediator heat exchange form heat loss, has greatly improved the thermal efficiency;
2. the latent heat of circulatory mediator R134a or water is big, transfer of heat many and fast;
3. the adjusting pipeline of stop valve and adjusting charging amount is set, can regulate the charging amount of liquid R134a or water at any time, thereby the temperature of hot channel in the conditioning chamber is in order to reach comfortable indoor environment temperature according to the layout of indoor hot channel and the situation of outdoor environment temperature;
4. structural design is simple, no operating cost.
Description of drawings
Fig. 1 is the structural representation that the utility model utilizes the Natural Circulation device of solar energy optical-thermal heating.
Among the figure: the 1-glass heat collection tube, 2-metal arm, the 3-yard piping, the 4-connecting pipe, the indoor hot channel of 5-, the 6-stop valve, 7-fills valve, and 8-regulates pipeline, 9-seal cover, 10-filler, 11-insulation material.
The specific embodiment
Hereinafter will be by reference to the accompanying drawings, the specific embodiment of the present utility model is described in further detail.
As shown in Figure 1, the Natural Circulation device of solar energy optical-thermal heating that utilizes of the present utility model comprises: be positioned at outdoor many glass heat collection tubes 1, many metal arms 2, the yard piping 3 that is communicated with each metal arm 2, indoor hot channels 5 and connect and the connecting pipe 4 of communication chamber Outer Tube 3 and indoor hot channel 5.Wherein, glass heat collection tube 1 specifically is the solar energy vacuum glass thermal-collecting tube, and they are the uncovered U-shaped pipes in upper end, are parallel to each other; Many metal arms 2 insert respectively in the tube chamber of these glass heat collection tubes 1, and each metal arm 2 is all vertical with yard piping 3 and be communicated with, and the outer wall of the mouth of pipe of every glass heat collection tube 1 and respective metal arm 2 forms sealing; Have difference in height between indoor hot channel 5 and the yard piping 3, namely the position of indoor hot channel 5 is than the position height of yard piping 3; In by metal arm 2, yard piping 3, connecting pipe 4 and the indoor hot channel 5 formed closed conduit spaces that communicate, be filled with an amount of circulatory mediator.
Described circulatory mediator can be R134a or water.Wherein, R134a is a kind of middle nuisanceless cold-producing medium of low-temperature environment-friendly---HFC-134a (C
2H
2F
4), its fundamental property is: normal boiling point-26.1 ℃, 101 ℃ of critical-temperatures, critical pressure 4.059MPa, boiling point latent heat of vaporization 219.8kJ/kg.The R134a security is good, colourless, tasteless, do not burn, do not explode, basic avirulence, chemical property are stable, belongs to HFC class cold-producing medium, ozone layer do not had destruction, but certain greenhouse effects are arranged.
Be lower than at the lowest temperature and equal 0 ℃ cold district, circulatory mediator adopts R134a, to be suitable for cold even extremely cold area is used.When the lowest temperature during greater than 0 ℃, circulatory mediator adopts water, to reduce the operating cost of system.
Could inject R134a or water after described closed conduit space must vacuumize, with improve the solar vacuum glass tube thermal-arrest, with transfer of heat to indoor speed.
As above, have difference in height between indoor hot channel 5 and the yard piping 3, can accelerate condensed liquid R134a or water like this and be back in the metal arm 2.And the structure of indoor hot channel is determined according to interior space layout.
Putting into filler in the space between paired glass heat collection tube 1 inwall and metal arm 2 outer walls, can be aluminium foil or quartz sand, as heat transfer medium, with the transmission speed of accelerating heat or the fluctuation that reduces heat transfer rate.Certainly, also can not put into filler in this space.
As shown in Figure 1, also be connected with adjusting pipeline 8 in the outer end of yard piping 3, between yard piping 3 and adjusting pipeline 8, be provided with stop valve 6, be used for regulating the charging amount of the liquid R134a of circulatory mediator or water, thus the temperature of the interior hot channel 5 of conditioning chamber.During work, stop valve 6 is in normally off.
As shown in Figure 1, on adjusting pipeline 8, also be provided with and fill valve 7, be used for filling circulatory mediator.And, be enclosed with insulation material 11 at yard piping 3 and adjusting pipeline 8, to reduce heat loss.
As shown in Figure 1, forming sealing between the outer wall of the mouth of pipe of glass heat collection tube 1 and metal arm 2, is that the mouth of pipe at glass heat collection tube arranges seal cover 9, to stop the intraluminal air of thermal-collecting tube and outside air formation convection current.
The requirement of withstand voltage of described yard piping 3, connecting pipe 4, indoor hot channel 5 and adjusting pipeline 8 these metallic conduits, stop valve 6, filled valve 7 surpasses 4MPa.
Injection R134a, outdoor metallic conduit are example with conditions such as insulation material parcels after vacuumizing with one group 5 1.8 meters long solar energy vacuum glass thermal-collecting tube, long 3.2 meters of indoor hot channel, closed conduit space below, and operation principle of the present utility model is carried out exemplary illustration.
Behind 5 solar energy vacuum glass thermal-collecting tube 1 thermal-arrests, the inner layer glass tube tube wall temperature raises, the heat of inner layer glass tube wall is delivered to 5 by radiation and the convection current by air in the tube chamber with heat and inserts the intraluminal metal arms 2 of glass heat collection tube, metal arm 2 is with conduction, the mode of radiation passes to R134a in the metal arm 2 with heat, R134a also receives the radiant heat of inner layer glass tube simultaneously, the part R134a carburation by evaporation that absorbs heat, R134a after the vaporization is along yard piping 3 and connecting pipe 4, hot channel 5 in the inlet chamber, condensation after part R134a in the indoor hot channel 5 and indoor hot channel 5 and the indoor environment exchanged heat, condensed liquid R134a is back to metal arm 2 along indoor hot channel 5 → connecting pipe 4 → yard piping 3 under the gravity effect.So move in circles, the solar energy that glass heat collection tube 1 is gathered is transferred to indoor, with interior space heating, realizes the function of heating.
When indoor hot channel adopted the heating of floor heating form, pipe temperature was regulated the charging amount of R134a by stop valve 6 and filled valve 7, can satisfy the temperature requirement of flooring radiation with the adjustment of indoor hot channel between 30-40 ℃.And when adopting indoor hot channel direct heating, temperature can reach 60-70 ℃.
Below only be to illustrate the course of work of the present utility model.The concrete geometry of the concrete geometry of indoor metallic conduit, the concrete quantity of outdoor solar energy glass thermal-collecting tube, yard piping and concrete installation form all can be decided according to the situation of fabric structure, geographical position, meteorological condition and surrounding environment thereof.
Though preferred embodiment of the present utility model is described in detail and illustrates that the utility model is not limited thereto.Should be known in that those skilled in the art can carry out numerous modifications and variations under the condition that does not deviate from spirit of the present utility model and principle, and do not break away from the protection domain of the present utility model that it is limited by claims.
Claims (9)
1. Natural Circulation device that utilizes solar energy optical-thermal heating, comprise: be positioned at the outdoor many glass heat collection tubes that are parallel to each other (1), yard piping (3), indoor hot channel (5), and the connecting pipe (4) that connects and be communicated with described yard piping (3) and described indoor hot channel (5), it is characterized in that: also comprise many metal arms (2), these metal arms (2) insert respectively in the tube chamber of described glass heat collection tube (1), and each metal arm (2) is all vertical with described yard piping (3) and be communicated with, and the outer wall of the mouth of pipe of every glass heat collection tube (1) and respective metal arm (2) forms sealing; The position of described indoor hot channel (5) is than described yard piping (3) height; In by the formed closed conduit space that communicates of described metal arm (2), described yard piping (3), described connecting pipe (4) and described indoor hot channel (5), be filled with an amount of circulatory mediator.
2. the Natural Circulation device that utilizes solar energy optical-thermal heating according to claim 1, it is characterized in that: described glass heat collection tube (1) is the solar energy vacuum glass thermal-collecting tube.
3. the Natural Circulation device that utilizes solar energy optical-thermal heating according to claim 2, it is characterized in that: described closed conduit space is evacuated the back and injects described circulatory mediator, and described circulatory mediator is R134a or water.
4. the Natural Circulation device that utilizes solar energy optical-thermal heating according to claim 3, it is characterized in that: put into filler in the space between paired described glass heat collection tube (1) inwall and described metal arm (2) outer wall, described filler is aluminium foil or quartz sand.
5. according to each described Natural Circulation device that utilizes the solar energy optical-thermal heating of claim 1-4, it is characterized in that: the outer end of described yard piping (3) also is connected with regulates pipeline (8), be provided with stop valve (6) between described yard piping (3) and the described adjusting pipeline (8), be provided with filled valve (7) at described adjusting pipeline (8), be enclosed with insulation material (11) at described yard piping (3) and adjusting pipeline (8).
6. the Natural Circulation device that utilizes the solar energy optical-thermal heating according to claim 5 is characterized in that: described yard piping (3), connecting pipe (4), indoor hot channel (5) and described adjusting pipeline (8) employing seamless steel pipe, aluminum pipe or copper pipe.
7. according to claim 1-4 or 6 each described Natural Circulation devices that utilize the solar energy optical-thermal heating, it is characterized in that: described metal arm (2) is steel pipe, aluminum pipe or copper pipe.
8. the Natural Circulation device that utilizes solar energy optical-thermal heating according to claim 7, it is characterized in that: the mouth of pipe of described glass heat collection tube (1) arranges seal cover (9).
9. according to claim 6 or the 8 described Natural Circulation devices that utilize the solar energy optical-thermal heating, it is characterized in that: the requirement of withstand voltage of described yard piping (3), described connecting pipe (4), described indoor hot channel (5) and described adjusting pipeline (8), described stop valve (6), described filled valve (7) surpasses 4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051189 CN203036734U (en) | 2013-01-30 | 2013-01-30 | Natural circulation device for heating through utilization of solar optothermal energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051189 CN203036734U (en) | 2013-01-30 | 2013-01-30 | Natural circulation device for heating through utilization of solar optothermal energy |
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| Publication Number | Publication Date |
|---|---|
| CN203036734U true CN203036734U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051189 Expired - Fee Related CN203036734U (en) | 2013-01-30 | 2013-01-30 | Natural circulation device for heating through utilization of solar optothermal energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075756A (en) * | 2013-01-30 | 2013-05-01 | 吴志勇 | Natural circulation device for heating by using solar thermal |
-
2013
- 2013-01-30 CN CN 201320051189 patent/CN203036734U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075756A (en) * | 2013-01-30 | 2013-05-01 | 吴志勇 | Natural circulation device for heating by using solar thermal |
| CN103075756B (en) * | 2013-01-30 | 2016-01-20 | 吴志勇 | Utilize the natural circulating device that solar energy optical-thermal heats |
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| 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: 20130703 Termination date: 20150130 |
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| EXPY | Termination of patent right or utility model |