CN101105342A - Convergence type condensation high temperature energy-concentrated heat-stored double loop driven solar energy heat power device - Google Patents
Convergence type condensation high temperature energy-concentrated heat-stored double loop driven solar energy heat power device Download PDFInfo
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- CN101105342A CN101105342A CNA200710119939XA CN200710119939A CN101105342A CN 101105342 A CN101105342 A CN 101105342A CN A200710119939X A CNA200710119939X A CN A200710119939XA CN 200710119939 A CN200710119939 A CN 200710119939A CN 101105342 A CN101105342 A CN 101105342A
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- heat
- high temperature
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- accumulator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
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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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- 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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
Abstract
The invention relates to a converging type solar thermal power device capable of condensing sunlight, storing heat using high temperature phase change energy storage material and driving double loops, belonging to the technical field of solar energy collection and solar energy heat utilization. The device comprises a funnel-shaped converging type solar energy condenser, a transparent light transmitting window, an energy accumulator, a high temperature heat-conducting oil heat supply circulating system, a superheated steam generator, and a Rankine cycle-based heat-power converting system. The sunlight is condensed by the funnel-shaped converging type solar energy condenser, and entered into the energy accumulator through the transparent light transmitting window to realize high temperature storage therein, the high temperature heat-conducting oil heat supply circulating system transmits the high temperature in the energy accumulator to the superheated steam generator to heat working fluid to generate high pressure high temperature superheated steam therein, and converts heat energy to power through thermodynamic cycle. The invention is a device for supplying power or electric energy for user by condensing sunlight, storing heat using high temperature phase change energy storage material, and driving heat-power converting system using high temperature heat energy.
Description
Affiliated technical field
The invention belongs to Salar light-gathering and solar energy utilization technique field.Specifically a kind of photoconductive tube or optical fiber of can utilizing imports the sunshine of assembling, and utilizes high-temperature phase-change energy-accumulation material heat accumulation, thereby is embodied as the device that the user provides high temperature heat.
Background technology
In ripe at present solar thermal power system, based on groove type solar light and heat collection and tower light and heat collection dual mode.But this two classes solar thermal power system generally all can only build into big system, generally all more than 1MW, because the construction cost of mini system is very high, does not have promotional value.Yet the small user also has very vigorous demand to the solar thermal power system under a lot of situations, so two kinds of solar thermal power systems of slot light collection thermal-arrest and tower light and heat collection all are unfavorable in power-shortage area popularization widely.Therefore, managing to improve the heat-collecting temperature of solar thermal collector, reduce the operating cost of solar thermal power device, improve the controllability of device, is the important means of further promoting the solar thermal power device.One of ideal device that the present invention addresses this problem just.
Summary of the invention
For overcoming the shortcoming that existing solar thermal power system is unfavorable for miniaturization, the invention provides a kind of new device of solar thermal power cheaply.This device can assemble form solar energy the luminous energy stream of certain flux, goes into to inject in the accumulator, produces the heat energy of high temperature through accumulation, and this heat energy is stored use when needing for the user.And because this device has adopted the phase-change material accumulation of heat, vacuum interlayer is heat insulation and measure such as other heat-insulating material insulation, thereby have thermal-arrest, distinguishing feature that heat accumulation efficient is high.Augmentation of heat transfer measures such as heat collector cavity and heat conduction bar have also been adopted in device inside, heat are imported into and to derive thermal store more all even rapider.When the user needs power, start the conduction oil circulatory system, heat enters heat power with high-temperature hot oil and generates the loop, thereby provides power for the user.
The technical solution adopted for the present invention to solve the technical problems is: one or more infundibulate collective-type solar concentrators are arranged, infundibulate collective-type solar concentrator is the sunshine high-density aggregation, and carries out high temperature heat store in transparent light inlet window imports sunshine the energy storage body of accumulator inside.Infundibulate collective-type solar concentrator is connected with the heat collector cavity of accumulator through transparent light inlet window.The shell body of accumulator by inside and outside wall and between vacuum layer constitute, insulation material is equipped with in shell body outside.The shell body of accumulator has a heat collector cavity that luminous energy can be converted into heat energy more than 1 by interior, can filling liquid in the heat collector cavity, part solid and gas.Comprised in the shell body of generator by phase change heat storage material or 1 heat storage that above phase change heat storage material assembly constitutes, heat storage can absorb the heat energy from heat collector cavity, one or more passages of heat are arranged in the heat storage, passage of heat can be heat conductive rod or heat pipe, also can be the conduit of hollow.Outside the shell body of accumulator, a collection chamber is arranged, in the energy storage body in shell body, one or more coil exchangers are arranged, collection chamber and coil exchanger are crossed heat exchanger and the heat exchanger formation closed circuit of connect in conduction oil circulating pump and circulation line and superheated steam generator.Superheated steam generator is connected with valve, turbine, condenser, reservoir, check valve, circulating pump and is formed heat power output closed circuit.
The invention has the beneficial effects as follows, solar energy can be formed high temperature heat through accumulation, and this thermal energy storage is got up, start use at any time for the user.Solved the low-cost demand of using solar thermal power of small user.Realize that simultaneously sunshine is assembled the place and the user is separated with the energy place, for the user provides good usefulness energy environment.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is connecting line of the present invention and operation logic figure.
Fig. 2 is the embodiment service chart with the heat supply of two independent solar light focusing heat storage devices.
Fig. 3 is the embodiment service chart by the heat supply in parallel of two Salar light-gathering thermal storage devices.
Fig. 4 is the embodiment service chart by two Salar light-gathering thermal storage device series connection heat supplies.
Fig. 5 is by connect with other form solar thermal collector embodiment service chart of heat supply of a Salar light-gathering thermal storage device.
Fig. 6 is the embodiment service chart with two solar concentrators, two transparent light inlet windows, two heat collector cavities and three passages of heat.
Among Fig. 1,1. infundibulate collective-type solar concentrator; 2. transparent light inlet window; 3. accumulator; 4. shell body; 5. insulation material; 6. energy storage body; 7. coil exchanger; 8. passage of heat; 9. collection chamber; 10. conduction oil circulating pump; 11. heat collector cavity; 12. circulation line; 13. superheated steam generator; 14. cross heat exchanger; 15. heat exchanger; 16. valve; 17. turbine; 18. condenser; 19. reservoir; 20. check valve; 21. circulating pump.
Among Fig. 2, Fig. 3, Fig. 4,22. Salar light-gathering thermal storage devices.
Among Fig. 5,23. other form solar thermal collectors.
Among Fig. 6,24. second infundibulate collective-type solar concentrators; 25. second transparent light inlet window; 26. second heat collector cavity; 27. following passage of heat; 28. last passage of heat.
The specific embodiment
Fig. 1 is a schematic diagram of the present invention.In Fig. 1, the operation logic of device can be explained as follows step by step:
The present invention is that a kind of infundibulate collective-type solar concentrator that can utilize is assembled sunshine, forms high density luminous energy stream, utilizes to have logical light but heat insulation transparent light inlet window, luminous energy is imported accumulator store.Pass through conduction oil heat supply circulation and heat power conversion cycle again, thereby realize the device of solar thermal power conversion.One or more infundibulate collective-type solar concentrators (1) are arranged in the device, infundibulate collective-type solar concentrator (1) is with the sunshine high-density aggregation, and through transparent light inlet window (2) sunshine is imported and to carry out high temperature heat in the inner energy storage body (6) of accumulator (3) and store, infundibulate collective-type solar concentrator (1) is connected with the heat collector cavity (11) of accumulator (3) through transparent light inlet window (2).The shell body (4) of accumulator (3) by inside and outside wall and between vacuum layer constitute, insulation material (5) is equipped with in shell body (4) outside.The shell body (4) of accumulator (3) has a heat collector cavity (11) that luminous energy can be converted into heat energy more than 1 by interior, can filling liquid in the heat collector cavity (11), part solid and gas.Comprised in the shell body of generator (4) by phase change heat storage material or 1 heat storage (6) that above phase change heat storage material assembly constitutes, heat storage (6) can absorb the heat energy from heat collector cavity, one or more passages of heat (8) are arranged in the heat storage (6), passage of heat (8) can be heat conductive rod or heat pipe, also can be the conduit of hollow.Outside the shell body (4) of accumulator (3), a collection chamber (9) is arranged, in the energy storage body (6) in shell body (4), one or more coil exchangers (7) are arranged, and collection chamber (9) and coil exchanger (7) are crossed heat exchanger (14) the formation closed circuit of connecting with heat exchanger (15) in conduction oil circulating pump (10) and circulation line (12) and superheated steam generator (13).Superheated steam generator (13) is connected with valve (16), turbine (17), condenser (18), reservoir (19), check valve (20), circulating pump (21) and is formed heat power output closed circuit.
Device is in running, and sunshine is after infundibulate collective-type solar concentrator (1) is assembled, and luminous energy density gets a promotion, and is admitted in the transparent light inlet window (2), and transparent light inlet window can be the photoconductive tube or the optical fiber family of particular design.Transmission through transparent light inlet window (2), sunshine enter in the interior heat collector cavity (11) of shell body (4) accumulator (3), the band vacuum interlayer, realize that in heat collector cavity (11) photo-thermal transforms, and produce heat energy; Heat energy in the heat collector cavity (11) is passed to heat storage (6) by passage of heat (8), and heat storage (6) temperature is risen.Realize the sensible heat energy storage of heat storage in heat storage (6) the temperature uphill process, when the temperature of heat storage rose to its phase transition temperature, heat storage underwent phase transition, and realized the high-temperature phase-change energy storage.Because the shell body (4) of accumulator (3) has vacuum layer, use again outside its outer wall simultaneously and can be incubated by resistant to elevated temperatures heat-insulating material (5), so high temperature heat can not shed from shell body.Transparent light inlet window (2) is transparent heat-insulated through particular design, has stoped infrared light and heat loss through convection, so high temperature heat can not shed from transparent light inlet window (2).So in the heat accumulation process, have only luminous energy constantly to enter from transparent light inlet window (2), make heat storage (6) heat accumulation that constantly heats up, when having only the luminous energy that equals to infeed when the heat that sheds by insulation material, heating up just stops.Therefore, the heat-proof quality of device is good more, and the luminous energy intensity that infeeds is high more, and the storable energy of heat storage (6) is big more, and regenerator temperature is high more.When the user need be power with thermal power transfer, start conduction oil circulating pump (10), the conduction oil in collection chamber this moment (9) enters in the coil heat exchanger (7) in the thermal store (6) through pipeline, forms high-temperature hot oil with heat storage (6) heat exchange there; This high-temperature hot oil is delivered in the superheated steam generator (13) through utilidor (12), heat energy passed through heat exchanger (14) and heat exchanger (15) and flowed to working medium in the heat power output closed circuit there, produce high-temperature high-pressure overheat steam, connect with valve (16), turbine (17), condenser (18), reservoir (19), check valve (20), circulating pump (21) by superheated steam generator (13) at last and form heat power output closed circuit generation power, thereby realize that converting solar energy to power offers the user.
Fig. 2 is the embodiment service chart with the heat supply of two independent solar light focusing heat storage devices, jointly provide heat energy by Salar light-gathering thermal storage device (22) and original Salar light-gathering thermal storage device heating system this moment, passed through heat exchanger (14) and heat exchanger (15) respectively independently and flow to heat power and export working medium in the closed circuit.
Fig. 3 is the embodiment service chart by the heat supply in parallel of two Salar light-gathering thermal storage devices.This moment is by providing heat energy jointly by Salar light-gathering thermal storage device (22) and original Salar light-gathering thermal storage device heating system, and Bing Lian form was passed through heat exchanger (14) and heat exchanger (15) and flowed to heat power and export working medium in the closed circuit by the road.
Fig. 4 is the embodiment service chart by two Salar light-gathering thermal storage device series connection heat supplies.This moment is by providing heat energy jointly by Salar light-gathering thermal storage device (22) and original Salar light-gathering thermal storage device heating system, and Chuan Lian form flows to heat power by heat exchanger (14) and heat exchanger (15) and exports working medium in the closed circuit by the road.
Fig. 5 is by connect with other form solar thermal collector embodiment service chart of heat supply of a Salar light-gathering thermal storage device.Jointly provide heat energy by original Salar light-gathering thermal storage device heating system and other form solar thermal collector (23) this moment, and Chuan Lian form was passed through heat exchanger (14) and heat exchanger (15) and flowed to heat power and export working medium in the closed circuit by the road.
Fig. 6 is the embodiment service chart with two solar concentrators, two transparent light inlet windows, two heat collector cavities and three passages of heat.At this moment, sunshine is respectively after infundibulate collective-type solar concentrator (1) and (24) gathering, luminous energy density gets a promotion, and be admitted in heat collector cavity (11) and (26) through transparent light inlet window (2) and (25) respectively, be converted into heat energy there, this heat energy reaches in the heat accumulating with last passage of heat (28) and stores through passage of heat (8), following passage of heat (27) respectively.
Claims (6)
1. collective-type condensation high temperature cumulative heat accumulation type double loop driven solar power set, it is characterized in that: one or more infundibulate collective-type solar concentrators (1) are arranged, infundibulate collective-type solar concentrator (1) is with the sunshine high-density aggregation, and through transparent light inlet window (2) sunshine is imported and to carry out high temperature heat in the inner energy storage body (6) of accumulator (3) and store, infundibulate collective-type solar concentrator (1) is connected with the heat collector cavity (11) of accumulator (3) through transparent light inlet window (2).
2. collective-type condensation high temperature cumulative heat accumulation type double loop driven solar power set according to claim 1, it is characterized in that: the shell body (4) of accumulator (3) by inside and outside wall and between vacuum layer constitute, insulation material (5) is equipped with in shell body (4) outside.
3. collective-type condensation high temperature cumulative heat accumulation type double loop driven solar power set according to claim 1, it is characterized in that: the shell body (4) of accumulator (3) has a heat collector cavity (11) that luminous energy can be converted into heat energy more than 1 by interior, can filling liquid in the heat collector cavity (11), part solid and gas.
4. collective-type condensation high temperature cumulative heat accumulation type double loop driven solar power set according to claim 1, it is characterized in that: comprised in the shell body of generator (4) by phase change heat storage material or 1 heat storage (6) that above phase change heat storage material assembly constitutes, heat storage (6) can absorb the heat energy from heat collector cavity, one or more passages of heat (8) are arranged in the heat storage (6), passage of heat (8) can be heat conductive rod or heat pipe, also can be the conduit of hollow.
5. collective-type condensation high temperature cumulative heat accumulation type double loop driven solar power set according to claim 1, it is characterized in that: outside the shell body (4) of accumulator (3), a collection chamber (9) is arranged, in the energy storage body (6) in shell body (4), one or more coil exchangers (7) are arranged, and collection chamber (9) and coil exchanger (7) are crossed heat exchanger (14) the formation closed circuit of connecting with heat exchanger (15) in conduction oil circulating pump (10) and circulation line (12) and superheated steam generator (13).
6. collective-type condensation high temperature cumulative heat accumulation type double loop driven solar power set according to claim 1 is characterized in that: superheated steam generator (13) is connected with valve (16), turbine (17), condenser (18), reservoir (19), check valve (20), circulating pump (21) and is formed heat power output closed circuit.
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| CNA200710119939XA CN101105342A (en) | 2007-08-03 | 2007-08-03 | Convergence type condensation high temperature energy-concentrated heat-stored double loop driven solar energy heat power device |
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| CNA200710119939XA CN101105342A (en) | 2007-08-03 | 2007-08-03 | Convergence type condensation high temperature energy-concentrated heat-stored double loop driven solar energy heat power device |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900094A (en) * | 2009-05-31 | 2010-12-01 | 北京智慧剑科技发展有限责任公司 | Solar vacuum tube type separated liquid circulation generator |
| ITRM20090561A1 (en) * | 2009-11-03 | 2011-05-04 | Magaldi Ind Srl | HIGH-LEVEL STORAGE AND TRANSPORT SYSTEM OF ENERGY EFFICIENCY. |
| CN102200102A (en) * | 2010-03-23 | 2011-09-28 | 励行根 | All-weather solar heat power generation system with peak regulation function |
| CN102278829A (en) * | 2011-09-06 | 2011-12-14 | 樊丹 | Technology for storing, supplying and utilizing solar heat energy |
| CN102465817A (en) * | 2010-11-09 | 2012-05-23 | 彭顗榕 | Water, thermal and wind motive power generation system |
| CN102483263A (en) * | 2009-06-30 | 2012-05-30 | 威萨尔德动力股份有限公司 | Vapour only cycling of heat transfer fluid for the thermal storage of solar energy |
| CN102635462A (en) * | 2012-04-28 | 2012-08-15 | 翎零碳建筑科技（上海）有限公司 | Heat storage temperature control device of solar disc-type Sterling engine |
| CN102734950A (en) * | 2011-03-30 | 2012-10-17 | 洪增铜 | Heat storage device |
| CN102792022A (en) * | 2009-09-18 | 2012-11-21 | 麻省理工学院 | Concentrated solar power system |
| CN102817657A (en) * | 2012-09-12 | 2012-12-12 | 重庆大学 | Heat pipe technology based organic Rankine cycle low-temperature exhaust heat power generating system |
| CN103291566A (en) * | 2012-02-29 | 2013-09-11 | 深圳市阳能科技有限公司 | Solar thermal power generation system and high-temperature energy storing device thereof |
| CN103307783A (en) * | 2013-06-21 | 2013-09-18 | 高志男 | Solar energy utilization device |
| CN103672831A (en) * | 2013-12-29 | 2014-03-26 | 滨州市甲力太阳能科技有限公司 | Solar steam boiler system |
| CN104467043A (en) * | 2013-09-22 | 2015-03-25 | 蓝鹏 | Solar power supply and energy storage system and method |
| EP2865965A4 (en) * | 2013-02-18 | 2016-07-13 | Byunggyun Kim | Metal heat storage apparatus |
| CN106225264A (en) * | 2016-08-30 | 2016-12-14 | 高振刚 | A kind of photothermal conversion device and method |
| CN106855322A (en) * | 2017-01-13 | 2017-06-16 | 常州大学 | A kind of high power concentrator type solar heat-preservation device |
| CN107588551A (en) * | 2016-07-08 | 2018-01-16 | 张其明 | Seat wall type solar water heater |
| CN107588568A (en) * | 2016-07-08 | 2018-01-16 | 张其明 | Solar energy moves thermal storage device window heat accumulation method |
| CN108362151A (en) * | 2018-01-30 | 2018-08-03 | 中国科学院上海应用物理研究所 | Thermal storage and energy accumulation electricity generation system |
| US10488079B2 (en) | 2014-05-13 | 2019-11-26 | Massachusetts Institute Of Technology | Low cost parabolic cylindrical trough for concentrated solar power |
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| CN101900094A (en) * | 2009-05-31 | 2010-12-01 | 北京智慧剑科技发展有限责任公司 | Solar vacuum tube type separated liquid circulation generator |
| CN102483263A (en) * | 2009-06-30 | 2012-05-30 | 威萨尔德动力股份有限公司 | Vapour only cycling of heat transfer fluid for the thermal storage of solar energy |
| CN102483263B (en) * | 2009-06-30 | 2014-05-07 | 威萨尔德动力股份有限公司 | Vapour only cycling of heat transfer fluid for the thermal storage of solar energy |
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| US10488079B2 (en) | 2014-05-13 | 2019-11-26 | Massachusetts Institute Of Technology | Low cost parabolic cylindrical trough for concentrated solar power |
| CN107588551A (en) * | 2016-07-08 | 2018-01-16 | 张其明 | Seat wall type solar water heater |
| CN107588568A (en) * | 2016-07-08 | 2018-01-16 | 张其明 | Solar energy moves thermal storage device window heat accumulation method |
| CN106225264A (en) * | 2016-08-30 | 2016-12-14 | 高振刚 | A kind of photothermal conversion device and method |
| CN106855322A (en) * | 2017-01-13 | 2017-06-16 | 常州大学 | A kind of high power concentrator type solar heat-preservation device |
| CN108362151A (en) * | 2018-01-30 | 2018-08-03 | 中国科学院上海应用物理研究所 | Thermal storage and energy accumulation electricity generation system |
| CN108362151B (en) * | 2018-01-30 | 2020-03-27 | 中国科学院上海应用物理研究所 | Heat storage and energy storage power generation system |
| CN112279248A (en) * | 2020-10-21 | 2021-01-29 | 中国科学院广州能源研究所 | Utilize activated carbon preparation system of solar energy heat supply |
| CN113404473A (en) * | 2021-06-01 | 2021-09-17 | 常州大学 | Solar-based double-focusing light steam oil production system |
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