CN201166472Y - Reflecting plate focusing energy storage tube type solar heat collector - Google Patents
Reflecting plate focusing energy storage tube type solar heat collector Download PDFInfo
- Publication number
- CN201166472Y CN201166472Y CNU2008200310703U CN200820031070U CN201166472Y CN 201166472 Y CN201166472 Y CN 201166472Y CN U2008200310703 U CNU2008200310703 U CN U2008200310703U CN 200820031070 U CN200820031070 U CN 200820031070U CN 201166472 Y CN201166472 Y CN 201166472Y
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- Prior art keywords
- heat
- reflecting plate
- pipe
- water
- carbon steel
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a reflecting plate focusing energy storage tube type solar heat collector, which can improve the heating efficiency of a solar energy thermal driving refrigerating air-conditioning system, wherein sunlight is focused on a vacuum heat collecting tube through a reflecting plate, the outer surface of an inner tube of the vacuum heat collecting tube absorbs solar radiation to carry out photothermal transformation, heat is absorbed by red sugar alcohol phase-change materials in a heat storage container, liquid water in a carbon steel-water heating tube evaporating section absorbs latent heat which is released through coagulating the phase-change materials and then evaporates, water vapor is coagulated in a hot tube condensing section and releases heat to heat water in a heat collecting water tank, a hot tube is adopted as heat transfer medium and can realize none temperature difference heat transfer to improve the heat collecting efficiency, a paraboloid reflecting plate can be rotated and can track the sunlight incident direction to realize the sunlight focusing role to increase the heat collecting temperature to the maximum, and the use of the phase-change heat storage materials overcomes the period changes of the solar radiation strength and realizes stable thermal flow output.
Description
Technical field
The utility model relates to a kind of novel middle high temperature solar heat collecting device of solar energy heating technology, phase-changing energy-storing technology, augmentation of heat transfer and hot pipe technique, belongs to the technical field of solar energy, energy storage equipment manufacturing.
Background technology
The energy and environmental problem are two big hot issues of the world today.The exploitation of regenerative resource and cleaning new energy, utilization have become the focus that countries in the world are paid close attention to and studied.Solar energy is the abundantest renewable and clean energy resource of resource, and national governments, research institution are all at its technology and equipment that effectively utilizes of research and development.The Chinese government pays special attention to the new and renewable sources of energy development problem always, " the 1996-2010 new and renewable sources of energy development outline " that nineteen ninety-five formulates, " Tenth Five-year plan of new and renewable sources of energy industrial development planning " of calendar year 2001 formulation and promulgation and " People's Republic of China's regenerative resource method " formulated in 2005 all encourage entity and individual to install and use solar water heating system, solar-heating heating and solar energy utilization system such as refrigeration system, solar photovoltaic generation system.
The energy of building consumption at present accounts for 21～24% of the Chinese commodity energy, and the building energy consumption of developed country generally accounts for about 1/3 of total energy consumption.In building energy consumption, general non-dwelling house civil buildings (office, middle-size and small-size shop, the school etc.) energy consumption except that heating mainly is illumination, air-conditioning and office's electrical equipment etc., accounts for 14～16% of civil buildings total energy consumption; In addition, some large public buildings (high-grade office building, star hotel, shopping mall etc.), though 5% of the not enough civil buildings gross area of this part gross floors area, 12～14% of this part building energy consumption account civil buildings total energy consumption, wherein air conditioning electricity accounts for 50～60%.
The tradition refrigerated air-conditioning system is the new outlet of essential searching under energy pressure, and studying new air-conditioning system, utilize regenerative resource will be the basic outlet that thoroughly solves air-conditioning, the energy, environment three contradiction as the power of new air-conditioning system.The research novel solar drives refrigerated air-conditioning system will reduce the consumption of traditional fossil energy to improving the human life quality, realize that the coordinated development of Man ﹠ Nature plays a positive role.Really enter application, just must at first solve high-temperature heat-gathering problem in the solar energy and will make solar heat drive refrigerated air-conditioning system, conventional solar boilers far can not satisfy the demand of these new type solar energy air-conditioning systems to hot quality,
Summary of the invention
Technical problem: the purpose of this utility model is to propose a kind of reflecting plate focusing energy storage cast solar thermal collector, solving solar heat driving refrigerated air-conditioning system needs higher solar energy heating temperature problem, reaches and improves the thermal efficiency purpose that solar heat drives refrigerated air-conditioning system.
Technical scheme: reflecting plate focusing energy storage cast solar thermal collector of the present utility model comprises heat collection water tank, parabolic reflecting plate, vacuum heat collection pipe, carbon steel-water heat pipe, fin, heat storage container, turning cylinder, joint; Wherein, in vacuum heat collection pipe, be provided with carbon steel-water heat pipe, on the outer wall of carbon steel-water heat pipe, be provided with fin, the condensation segment of carbon steel-water heat pipe is positioned at heat collection water tank, vacuum heat collection pipe is connected with the evaporator section of carbon steel-water heat pipe by the phase-change material in the heat storage container, be connected with heat collection water tank by joint, the parabolic reflecting plate is fixed on the turning cylinder and is positioned at the backlight side of vacuum heat collection pipe.The backlight side of vacuum heat collection pipe is equipped with rotatable parabolic reflecting plate.Between vacuum heat collection pipe and carbon steel-water heat pipe, be provided with middle high temperature phase change material (pcm).
Sunshine focuses on the vacuum heat collection pipe by reflecting plate, the inner tube outer surface of vacuum heat collection pipe absorbs solar radiation and carries out the photo-thermal conversion, its heat is absorbed by red sugar alcohol phase-change material in the thermal regenerator container, aqueous water in the carbon steel-water heat pipe evaporator section evaporates the water of steam in heat pipe condenser section condensation heat heating heat collection water tank after absorbing the latent heat that phase-change material solidifies release; Adopt heat pipe to transmit media and can realize not having different transfer of heat raising collecting efficiency as heat; Rotatable parabolic reflecting plate can be followed the tracks of the sunshine incident direction and be realized that at utmost the solar light focusing effect improves heat-collecting temperature; The cycle variation that the use of phase-transition heat-storage medium has overcome intensity of solar radiation has realized steady flow of heat output.
Adopt rotatable parabolic reflecting plate to carry out the variation that one dimension rotates the incident angle of following the tracks of sunshine, make the reflecting plate of solar thermal collector from morning to night can both reach the effect that at utmost captures sunshine, improved heat-collecting temperature over against the incident direction of the sun.Utilize vacuum heat collection pipe to absorb heat, help from the sunshine of all directions absorption, and reduce convection of heat and conductive heat loss from reflecting plate.Utilize the phase-change material in the heat storage container to carry out accumulation of heat, the cycle that has overcome intensity of solar radiation changes, and has realized steady flow of heat output.Utilize finned carbon steel-water heat pipe to strengthen heat exchange between heat storage container and the heat pipe, between heat storage container and heat collection water tank, do not have different transfer of heat simultaneously, improve collecting efficiency.
Beneficial effect: the beneficial effects of the utility model are:
1, rotatable parabolic reflecting plate has been realized the in good time tracking focusing function of sunshine;
2, the use of phase-transition heat-storage container has overcome the influence of intensity of solar radiation cycle variation to hot-fluid output, realizes steady flow of heat output;
3, adopt heat pipe to transmit media and can realize that no different transfer of heat improves collecting efficiency between heat storage container and heat collection water tank as heat.
Description of drawings
Fig. 1 is the structural representation of high-temp solar heat collector in the hot pipe type focusing energy storage type of the present utility model.
Fig. 2 is the local enlarged diagram of Fig. 1.
Fig. 3 is the parabolic reflecting plate rotation schematic diagram of high-temp solar heat collector in the hot pipe type focusing energy storage type of the present utility model.
Fig. 4 is the local enlarged diagram of Fig. 3.
Wherein have: heat collection water tank 1; Parabolic reflecting plate 2; Vacuum heat collection pipe 3, interior pipe 31, outer tube 32; Carbon steel-water heat pipe 4, coagulate section 41, evaporator section 42; Fin 5; Heat storage container 6; Turning cylinder 7; Joint 8; Guide rail 9; Cold phase-change material X.
The specific embodiment
In conjunction with the accompanying drawings 1 and Fig. 2 technical scheme of the present invention is further described, high-temp solar heat collector is by heat collection water tank 1 in the hot pipe type focusing energy storage type of the present invention; Parabolic reflecting plate 2; Vacuum heat collection pipe 3; Carbon steel-water heat pipe 4; Fin 5; Heat storage container 6; Turning cylinder 7; Joint 8 is formed.Wherein, in vacuum heat collection pipe 3, be provided with carbon steel-water heat pipe 4, on the outer wall of carbon steel-water heat pipe 4, be provided with fin 5, one end of carbon steel-water heat pipe 4 is positioned at heat collection water tank 1, vacuum heat collection pipe 3 is connected with heat collection water tank 1 by joint 8, and parabolic reflecting plate 2 is fixed on the turning cylinder 7 and is positioned at the backlight side of vacuum heat collection pipe 3.Vacuum heat collection pipe 3 is made up of interior pipe 31 and outer tube 32.High temperature phase change material (pcm) X between vacuum heat collection pipe 3 and carbon steel-water heat pipe 4, being provided with.
Sunshine focuses on the interior pipe 31 of vacuum heat collection pipe 3 by rotatable parabolic reflecting plate 2, interior pipe 31 outer surfaces of vacuum heat collection pipe 3 scribble coating for selective absorption and can absorb solar energy to greatest extent and reduce the radiation heat loss, carry out the one dimension rotation because reflecting plate 2 can be followed the tracks of the variation of angle of incidence of sunlight degree, make vacuum heat collection pipe 3 Zi early at utmost absorbing solar radiation to evening.Simultaneously because the relative reflecting surface area of heat collector surface area is very little, and it is minimum to adopt the vacuum heat-insulation technology to make that this novel solar collector radiation loss drops to, in high heat-collecting temperature the condition that provides is provided.
The heat storage container 6 of high temperature phase change material (pcm) X (red sugar alcohol) in vacuum heat collection pipe 3 and carbon steel-4 existence of water heat conduction heat pipe are filled with, because this phase-transition heat-storage container 6 is to absorb heat by the solid-liquid dissolving from thermal-collecting tube, solidify heat release to heat pipe 4 evaporator sections 42 by liquid-solid, thereby realized no different transfer of heat at thermal- collecting tube 3 and 42 of heat pipe 4 evaporator sections, reduced heat loss.The use of phase-transition heat-storage medium X can accumulation of heat when intensity of solar radiation is high in addition, and the cycle that heat release has overcome intensity of solar radiation in the time of a little less than intensity of solar radiation changes the influence to hot-fluid output, realizes steady flow of heat output.
Carbon steel-water heat pipe 4 will be discharged into heating aqueous water wherein the heat collection water tank 1 from heat storage container 6 systemic latent heats of phase change.Its principle is, the aqueous waters in the evaporator section 42 of carbon steel-water heat pipe 4 absorb the latent heat that phase-change material X in the heat storage container 6 solidify release and carry out liquid-steam raising, and steam is up to condensation segment 41 and carries out water in the vapour-liquid condensation heat heating heat collection water tank 1 afterwards.In order to strengthen the heat transfer effect between the phase-change material X in heat pipe 4 and the heat storage container 6, circular fin 5 is installed at heat pipe outer surface.Adopt heat pipe 4 to transmit media and can realize that heat storage container 6 and 1 no different transfer of heat of heat collection water tank improve collecting efficiency as heat.
Reflecting plate focusing energy storage cast solar thermal collector of the present utility model adopts the reflecting plate that can follow the tracks of solar incident angle to realize that at utmost solar energy focuses on; On vacuum heat collection pipe, scribble coating for selective absorption and can significantly improve the photo-thermal transformation efficiency, reduce the heat loss through radiation loss; Solid-liquid in heat storage container and heat pipe and liquid-vapour second-order phase transistion conducts heat, and can efficiently heat aqueous water in the heat collection water tank.
Claims (3)
1, a kind of reflecting plate focusing energy storage cast solar thermal collector, it is characterized in that this device comprises heat collection water tank (1), parabolic reflecting plate (2), vacuum heat collection pipe (3), carbon steel-water heat pipe (4), fin (5), heat storage container (6), turning cylinder (7), joint (8); Wherein, in vacuum heat collection pipe (3), be provided with carbon steel-water heat pipe (4), on the outer wall of carbon steel-water heat pipe (4), be provided with fin (5), the condensation segment (41) of carbon steel-water heat pipe (4) is positioned at heat collection water tank (1), vacuum heat collection pipe (3) is connected with the evaporator section (42) of carbon steel-water heat pipe (4) by the phase-change material (X) in the heat storage container (6), be connected with heat collection water tank (1) by joint (8), parabolic reflecting plate (2) is fixed on the backlight side that vacuum heat collection pipe (3) were gone up and be positioned to turning cylinder (7).
2. reflecting plate focusing energy storage cast solar thermal collector according to claim 1 is characterized in that the backlight side of vacuum heat collection pipe (3) is equipped with rotatable parabolic reflecting plate (2).
3. reflecting plate focusing energy storage cast solar thermal collector according to claim 1 is characterized in that being provided with middle high temperature phase change material (pcm) (X) between vacuum heat collection pipe (3) and carbon steel-water heat pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200310703U CN201166472Y (en) | 2008-01-25 | 2008-01-25 | Reflecting plate focusing energy storage tube type solar heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200310703U CN201166472Y (en) | 2008-01-25 | 2008-01-25 | Reflecting plate focusing energy storage tube type solar heat collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166472Y true CN201166472Y (en) | 2008-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200310703U Expired - Fee Related CN201166472Y (en) | 2008-01-25 | 2008-01-25 | Reflecting plate focusing energy storage tube type solar heat collector |
Country Status (1)
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| CN (1) | CN201166472Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387637A (en) * | 2015-12-23 | 2016-03-09 | 闵邦政 | Solar water heater with heat collecting pipe including internal fins |
| CN105485942A (en) * | 2015-12-23 | 2016-04-13 | 任佳启 | Solar water heater |
| WO2018054327A1 (en) * | 2016-09-26 | 2018-03-29 | 北京兆阳光热技术有限公司 | Evacuated heat collecting tube, manufacturing method therefor, and solar thermal power station |
| CN111426071A (en) * | 2020-04-14 | 2020-07-17 | 浙江宝威电气有限公司 | Reflecting tracking solar heat pipe heating device |
| EP3832225A1 (en) * | 2019-12-04 | 2021-06-09 | Emv2 | Solar thermal collector, solar thermal panel and method for heating a building with integrated heat storage |
-
2008
- 2008-01-25 CN CNU2008200310703U patent/CN201166472Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387637A (en) * | 2015-12-23 | 2016-03-09 | 闵邦政 | Solar water heater with heat collecting pipe including internal fins |
| CN105485942A (en) * | 2015-12-23 | 2016-04-13 | 任佳启 | Solar water heater |
| CN105387637B (en) * | 2015-12-23 | 2016-09-07 | 闵邦政 | A kind of inner fin heat-collecting tube solar water heater |
| CN105485942B (en) * | 2015-12-23 | 2016-09-07 | 任佳启 | A kind of solar water heater |
| WO2018054327A1 (en) * | 2016-09-26 | 2018-03-29 | 北京兆阳光热技术有限公司 | Evacuated heat collecting tube, manufacturing method therefor, and solar thermal power station |
| EP3832225A1 (en) * | 2019-12-04 | 2021-06-09 | Emv2 | Solar thermal collector, solar thermal panel and method for heating a building with integrated heat storage |
| FR3104242A1 (en) * | 2019-12-04 | 2021-06-11 | Emv2 | Solar thermal collector, solar thermal panel and method of heating a building with integrated heat storage. |
| CN111426071A (en) * | 2020-04-14 | 2020-07-17 | 浙江宝威电气有限公司 | Reflecting tracking solar heat pipe heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20120125 |