CN103075756A - Natural circulation device for heating by using solar thermal - Google Patents
Natural circulation device for heating by using solar thermal Download PDFInfo
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- CN103075756A CN103075756A CN2013100352025A CN201310035202A CN103075756A CN 103075756 A CN103075756 A CN 103075756A CN 2013100352025 A CN2013100352025 A CN 2013100352025A CN 201310035202 A CN201310035202 A CN 201310035202A CN 103075756 A CN103075756 A CN 103075756A
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- yard piping
- thermal heating
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Abstract
The invention discloses a natural circulation device for heating by using solar thermal. The natural circulation device comprises a plurality of outdoor mutually-parallel solar vacuum glass heat collecting pipes (1), a plurality of metal branch pipes (2), an outdoor pipeline (3), an indoor heat radiating pipeline (5) and a connecting pipeline (4) for connecting the outdoor pipeline (3) with the indoor heat radiating pipeline (5), wherein the metal branch pipes (2) are respectively inserted into pipe cavities of the glass heat collecting pipes (1), and are communicated with the outdoor pipeline (3), a closed space is formed between the pipe opening of each glass heat collecting pipe (1) and the outer wall of the corresponding metal branch pipe (2), a height difference exists between the indoor heat radiating pipeline (5) and the outdoor pipeline (3), and a proper quantity of circulating medium R144a or water is filled in communicated closed pipeline spaces formed by the metal branch pipes (2), the outdoor pipeline (3), the connecting pipeline (4) and the indoor heat radiating pipeline (5). The natural circulation device is suitable for heating an indoor space of a building in a cold region and a non-electricity region, adopts natural circulation without an external power, and is simple in structure and high in heat efficiency.
Description
Technical field
The present invention relates to a kind of at the natural circulation heating installation extremely cold, that areas without electricity need not extrinsic motive, be specifically related to a kind of natural circulating 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 is used by the interaction energy transform into heat energy with material.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
The problem that exists in order to overcome above-mentioned prior art, the invention provides a kind of natural circulating 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, the thermal efficiency is high, can use at cold district and areas without electricity.
The natural circulating device that utilizes the solar energy optical-thermal heating of the present invention comprises: the connecting pipe that is positioned at the many outdoor glass heat collection tubes that are parallel to each other, yard piping, indoor radiating pipeline and connection and communication chamber Outer Tube and indoor radiating pipeline.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 radiating pipeline is higher than yard piping; Be filled with an amount of circulatory mediator by metal arm, yard piping, connecting pipe and indoor radiating pipeline 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 described circulatory mediator R134a of rear injection or water.
Put into filler aluminium foil or quartz sand in the space between paired glass heat collecting inside pipe wall 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 charging valve at the adjusting pipeline.And, be enclosed with insulation material at yard piping and adjusting pipeline.
Described yard piping, connecting pipe, indoor radiating pipeline and adjusting pipeline adopt metallic conduit, specifically 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 radiating pipeline and adjusting pipeline, stop valve, charging 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, enter the indoor radiating pipeline, condensation after part R134a in the indoor radiating pipeline or water and indoor radiating pipeline and the indoor Medium Exchange heat, condensed liquid R134a or water under Action of Gravity Field along the indoor radiating pipeline, 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 present invention has useful technique effect, imbody in the following areas:
1. metallic conduit interconnection forms the closed conduit space, vacuumize rear injection circulatory mediator R134a or water after, the circulatory mediator heat transfer rate is exceedingly fast.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 large, transfer of heat many and fast;
3. the adjusting pipeline of stop valve and adjusting charging amount is set, can regulate at any time the charging amount of liquid R134a or water, 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 radiating pipeline and the situation of outdoor environment temperature;
4. structural design is simple, without operating cost.
Description of drawings
Fig. 1 is the structural representation that the present invention utilizes the natural circulating 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, 5-indoor radiating pipeline, the 6-stop valve, the 7-charging valve, 8-regulates pipeline, 9-seal cover, 10-filler, 11-insulation material.
The specific embodiment
Hereinafter in connection with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the natural circulating device of solar energy optical-thermal heating that utilizes of the present invention 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 radiating pipelines 5 and connect and the connecting pipe 4 of communication chamber Outer Tube 3 and indoor radiating pipeline 5.Wherein, glass heat collection tube 1 is the solar energy vacuum glass thermal-collecting tube specifically, 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 radiating pipeline 5 and the yard piping 3, namely the position of indoor radiating pipeline 5 is higher than the position of yard piping 3; In by metal arm 2, yard piping 3, connecting pipe 4 and the indoor radiating pipeline 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 the nuisanceless cold-producing medium of a kind of middle 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, stable chemical nature, 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 radiating pipeline 5 and the yard piping 3, can accelerate so condensed liquid R134a or water and be back in the metal arm 2.And the structure of indoor radiating pipeline 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 charging 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 radiating pipeline 5 and adjusting pipeline 8 these metallic conduits, stop valve 6, charging valve 7 surpasses 4MPa.
The below vacuumizes rear injection R134a take one group 5 1.8 meters long long 3.2 meters of solar energy vacuum glass thermal-collecting tube, indoor radiating pipeline, closed conduit space, the outdoor metal pipeline as example, carries out exemplary illustration to operation principle of the present invention with conditions such as insulation material parcels.
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, enter indoor radiating pipeline 5, condensation after part R134a in the indoor radiating pipeline 5 and indoor radiating pipeline 5 and the indoor environment exchanged heat, condensed liquid R134a is back to metal arm 2 along indoor radiating pipeline 5 → connecting pipe 4 → yard piping 3 under Action of Gravity Field.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 the indoor radiating pipeline adopted the heating of floor heating form, pipe temperature was regulated the charging amount of R134a by stop valve 6 and charging valve 7, can with the adjustment of indoor radiating pipeline between 30-40 ℃, satisfy the temperature requirement of flooring radiation.And when adopting the direct heating of indoor radiating pipeline, temperature can reach 60-70 ℃.
Below only be to illustrate the course of work of the present invention.The concrete geometry of the concrete geometry of indoor metal pipeline, 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.
Although the preferred embodiments of the present invention are described in detail and illustrate, the present invention 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 invention and principle, and do not break away from protection scope of the present invention that it is limited by claims.
Claims (9)
1. natural circulating 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 radiating pipeline (5), and the connecting pipe (4) that connects and be communicated with described yard piping (3) and described indoor radiating pipeline (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 radiating pipeline (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 radiating pipeline (5), be filled with an amount of circulatory mediator.
2. the natural circulating 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 circulating device that utilizes solar energy optical-thermal heating according to claim 2, it is characterized in that: described closed conduit space is evacuated the described circulatory mediator of rear injection, and described circulatory mediator is R134a or water.
4. the natural circulating 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. each described natural circulating device that utilizes solar energy optical-thermal heating according to 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 charging 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 circulating 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 radiating pipeline (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 circulating devices that utilize 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 circulating 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 circulating devices that utilize 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 radiating pipeline (5) and described adjusting pipeline (8), described stop valve (6), described charging valve (7) surpasses 4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310035202.5A CN103075756B (en) | 2013-01-30 | 2013-01-30 | Utilize the natural circulating device that solar energy optical-thermal heats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310035202.5A CN103075756B (en) | 2013-01-30 | 2013-01-30 | Utilize the natural circulating device that solar energy optical-thermal heats |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103075756A true CN103075756A (en) | 2013-05-01 |
| CN103075756B CN103075756B (en) | 2016-01-20 |
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| CN201310035202.5A Expired - Fee Related CN103075756B (en) | 2013-01-30 | 2013-01-30 | Utilize the natural circulating device that solar energy optical-thermal heats |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366807A (en) * | 1979-02-07 | 1983-01-04 | Sunworks, Inc. | Natural circulation solar heat collection and storage system |
| CN1315641A (en) * | 2000-03-27 | 2001-10-03 | 陈烈涛 | Multifunctional heating system with solar vacuum tube collector |
| CN201314623Y (en) * | 2008-12-15 | 2009-09-23 | 江苏佳好太阳能科技有限公司 | Heat supply system of solar water heater and heat collection device thereof |
| CN201885304U (en) * | 2010-10-21 | 2011-06-29 | 莱芜市凤凰太阳能有限公司 | U-shaped full-glass vacuum collector tube solar heating device |
| CN201954783U (en) * | 2010-12-01 | 2011-08-31 | 四川天乙太阳能科技有限公司 | Vacuum phase transition heat transmission type solar flat heat-collecting system |
| CN202382434U (en) * | 2011-11-29 | 2012-08-15 | 苏州苏宝新能源科技有限公司 | Split pressure-bearing type solar water heater |
| CN203036734U (en) * | 2013-01-30 | 2013-07-03 | 吴志勇 | Natural circulation device for heating through utilization of solar optothermal energy |
-
2013
- 2013-01-30 CN CN201310035202.5A patent/CN103075756B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366807A (en) * | 1979-02-07 | 1983-01-04 | Sunworks, Inc. | Natural circulation solar heat collection and storage system |
| CN1315641A (en) * | 2000-03-27 | 2001-10-03 | 陈烈涛 | Multifunctional heating system with solar vacuum tube collector |
| CN201314623Y (en) * | 2008-12-15 | 2009-09-23 | 江苏佳好太阳能科技有限公司 | Heat supply system of solar water heater and heat collection device thereof |
| CN201885304U (en) * | 2010-10-21 | 2011-06-29 | 莱芜市凤凰太阳能有限公司 | U-shaped full-glass vacuum collector tube solar heating device |
| CN201954783U (en) * | 2010-12-01 | 2011-08-31 | 四川天乙太阳能科技有限公司 | Vacuum phase transition heat transmission type solar flat heat-collecting system |
| CN202382434U (en) * | 2011-11-29 | 2012-08-15 | 苏州苏宝新能源科技有限公司 | Split pressure-bearing type solar water heater |
| CN203036734U (en) * | 2013-01-30 | 2013-07-03 | 吴志勇 | Natural circulation device for heating through utilization of solar optothermal energy |
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| CN103075756B (en) | 2016-01-20 |
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