CN101943143B - Disk solar thermoelectric generator - Google Patents
Disk solar thermoelectric generator Download PDFInfo
- Publication number
- CN101943143B CN101943143B CN2010102818577A CN201010281857A CN101943143B CN 101943143 B CN101943143 B CN 101943143B CN 2010102818577 A CN2010102818577 A CN 2010102818577A CN 201010281857 A CN201010281857 A CN 201010281857A CN 101943143 B CN101943143 B CN 101943143B
- Authority
- CN
- China
- Prior art keywords
- heat
- control valve
- reversing control
- cylinder
- receiver
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a disk solar thermoelectric generator which comprises a heliostat system, a condenser, a receiver, a high temperature heat storage tank and a working medium phase change engine, wherein sun is tracked by the heliostat system in real time; sunlight is reflected on the receiver by the condenser; high heat flux radiant energy reflected from the condenser is absorbed by the receiver positioned on a support, is transformed into high temperature heat of working fluid, and is stored in a heat transfer fused-salt medium in the high temperature heat storage tank; the working medium in the working medium phase change engine is heated by the high temperature fused-salt medium to drive the working medium phase change engine to rotate and make the generator generate electricity, and the heat energy is transformed into mechanical energy. The invention has the advantages of low cost, reasonable design, simple structure and high work efficiency, and has the characteristics of no exhaust emission, oil and coal replacement, no environmental pollution and low carbon.
Description
Technical field
The present invention relates to a kind of disc type solar energy thermoelectric generator, be used in the occasion of small-sized solar generating.
Background technique
At present, oil, coal reserves are limited, and rise in price is the CO that fuel combustion produces with oil coal
2, SO
2Environment is produced very big harm, danger utmost point human existence.Utilizing solar electrical energy generation, do not have toxic emission, is 21 century energy development direction.The tower type solar cost of electricity-generating is high, and investment is many, takes up an area of greatly, can not widespread usage.The disc type solar energy thermal power generation, volume is little, and cost is few, good reliability, generating efficiency is high, can be widely used in the rural area, small business, individual family has development potentiality and application prospect.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of disc type solar energy thermoelectric generator, have that cost is low, reasonable in design, an advantage of simple structure, high working efficiency.And do not have toxic emission, can substitute oil, coal, have free from environmental pollution, the characteristics of low-carbon (LC).
For reaching above-mentioned purpose, the present invention adopts following technological scheme,
A kind of disc type solar energy thermoelectric generator comprises the heliostat system, condenser, receiver, high-temperature heat accumulation jar and Working fluid phase changing motor; Heliostat system wherein, condenser and receiver are rack-mount respectively, and receiver links to each other with high-temperature heat accumulation jar, Working fluid phase changing motor respectively through pipeline; The heliostat system realizes the real-time tracking to the sun; Condenser reflexes to sunlight on the receiver, and the receiver that is positioned on the support absorbs the high heat flux radiation energy that is reflected by condenser, and is translated into the high temperature heat of working fluid and is stored in the heat transfer fused-salt medium in the high-temperature heat accumulation jar; Utilize the working medium in the high-temperature molten salt medium heating working medium phase transformation motor again; Drive the Working fluid phase changing engine rotation, drive generator for electricity generation, change heat energy into mechanical energy.
Described condenser is made up of the circular parabolic mirror of multiaspect, becomes circle-shaped distribution.
Described condenser is made up of the circular parabolic mirror of 9-12 face, and mirror diameter is 3-5m.
Described Working fluid phase changing motor comprises the cooling tower as low-temperature heat source, the cylinder of the first band piston, the cylinder of the second band piston, first heat exchanger, second heat exchanger, first reversing control valve, second reversing control valve, crank-connecting rod system; Timing gear, cooling waterpump; Wherein the receiver as high temperature heat source is connected with first reversing control valve through pipeline; Cooling tower is connected with second reversing control valve through pipeline; First reversing control valve links to each other with second heat exchanger with first heat exchanger respectively through pipeline, and second reversing control valve also links to each other with second heat exchanger with first heat exchanger respectively through pipeline; First heat exchanger is installed in the cylinder of the first band piston; Second heat exchanger is installed in the cylinder of the second band piston; Transmit through signal between first reversing control valve and second reversing control valve and the crank-connecting rod system; The crank-connecting rod system respectively with first piston, second piston is hinged mutually.
Described first reversing control valve, second reversing control valve are 24 logical reversing control valves, and its signal adopts mechanical cam mechanism or solenoid valve switching-over.
The cylinder of the described first band piston; Be full of refrigeration agent working medium in the cylinder of the second band piston, with 22 the 4 first logical reversing control valves, the heat-transfer path of second reversing control valve control receiver, cooling tower; Make first heat exchanger; The second heat exchanger one after the other is to the cylinder of the first band piston, and the cylinder of the second band piston carries out heat supply and heat release, accomplishes a work cycle automatically.
Described working medium adopts liquid ammonia.
Be full of refrigeration agent working medium in a kind of a pair of cylinder that utilizes Working fluid phase changing circuit heat engine of the present invention; Alternately cylinder is carried out heat supply and heat release with the selector valve of 224 logical mechanical cam controls or the heat exchanger in 2 cylinders of electromagnetic switch control valve control; The machinery of reversing control valve or electromagnetic signal are from the timing gear of connecting rod; Last heat supply advance angle of piston arrives top dead center in the cylinder of the first band piston; When the cylinder of the second band piston arrives last heat release advance angle of lower dead center; 2 selector valve actions, receiver are to the cylinder heat supply of the first band piston, and the cylinder of the second band piston is to the cooling tower heat release.When piston moves to lower dead center from top dead center, bent axle rotates 180 degree, 2 selector valves switching-overs, and receiver is to the cylinder heat supply of the second band piston, and the cylinder of the first band piston is accomplished a work cycle automatically to the cooling tower heat release.
It is working fluid that fused-salt medium of the present invention adopts carbonite, chloride, fluoride and nitrate; Utilize solar heat collector solar thermal energy is changed high temperature heat and to be stored in the heat transfer fused salt high-temperature heat accumulation jar medium; Be stored in unnecessary heat in the high-temperature heat accumulation jar daytime, evening or the solar time of not having generating.
The invention has the beneficial effects as follows: the present invention is with the cold & heat source heating arrangement switching of completion two cylinder heat supply heat releases automatically of Working fluid phase changing cycle heat engine, and two-way effect has improved efficiency of heat engine, helps improving efficiency of energy utilization; It is low to have cost, the advantage of simple structure, high working efficiency.And do not have toxic emission, can substitute oil, coal, have free from environmental pollution, the characteristics of low-carbon (LC).
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a Working fluid phase changing engine structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further specified, following examples are to explanation of the present invention but the present invention is not limited to following examples.
As shown in Figure 1, a kind of disc type solar energy thermoelectric generator of present embodiment indication, disc type solar energy thermal power generation acc power is 5-30KW.Comprise heliostat system 1, condenser 2, receiver 3, high-temperature heat accumulation jar 4 and Working fluid phase changing motor 5; Heliostat system 1 wherein, condenser 2 is installed in respectively on the support 6 with receiver 3, and receiver 3 links to each other with high-temperature heat accumulation jar 4, Working fluid phase changing motor 5 respectively through pipeline; The real-time tracking that heliostat system 1 realizes sun A, condenser 2 reflexes to sunlight on the receiver 3, and described condenser 2 is made up of the circular parabolic mirror of 9-12 face, becomes circle-shaped distribution, and mirror diameter is 3-5m.The receiver 3 that is positioned on the support 6 absorbs the high heat flux radiation energy that is reflected by condenser 2; And be translated into the high temperature heat of working fluid and be stored in the heat transfer fused-salt medium in the high-temperature heat accumulation jar 4; Utilize the working medium in the high-temperature molten salt medium heating working medium phase transformation motor 5 again; Drive Working fluid phase changing motor 5 and rotate, drive generator for electricity generation, change heat energy into mechanical energy.Described Working fluid phase changing motor 5 comprises the cylinder 10 as cylinder 9, the second band pistons of cooling tower 8, the first band pistons of low-temperature heat source; First heat exchanger, 11, the second heat exchangers, 16, the first reversing control valves 12; Second reversing control valve 13, crank-connecting rod system 14; Timing gear 16, cooling waterpump 7; Wherein the receiver 3 as high temperature heat source is connected with first reversing control valve 12 through pipeline; Cooling tower 8 is connected with second reversing control valve 13 through pipeline; First reversing control valve 12 links to each other with second heat exchanger 16 with first heat exchanger 11 respectively through pipeline, and second reversing control valve 13 also links to each other with second heat exchanger 16 with first heat exchanger 11 respectively through pipeline; First heat exchanger 11 is installed in the cylinder 9 of the first band piston; Second heat exchanger 16 is installed in the cylinder 10 of the second band piston; Transmit through signal between first reversing control valve 12 and second reversing control valve 13 and the crank-connecting rod system 14; Crank-connecting rod system 14 is hinged with first piston 17, the second pistons 18 respectively mutually.The cylinder 9 of the described first band piston; Be full of refrigeration agent working medium in the cylinder 10 of the second band piston; With 22 the 4 first logical reversing control valves 12; The heat-transfer path of second reversing control valve, 13 control receivers 3, cooling tower 8, its signal adopts mechanical cam mechanism or solenoid valve switching-over.Make 16 one after the others of first heat exchanger, 11, the second heat exchangers be with the cylinder 10 of pistons to carry out heat supply and heat release, accomplish a work cycle automatically the cylinder 9, the second of the first band piston.
As shown in Figure 2; Fig. 2 is a Working fluid phase changing cycle engine schematic diagram; Be full of refrigeration agent working medium in the cylinder 4 of cylinder 3, the second band pistons of the first band piston, the working medium that present embodiment adopts is liquid ammonia or other refrigeration agent working medium; Just be full of liquid ammonia or the liquid working medium of other refrigeration agent in the cylinder 9 of the first band piston, be full of gaseous ammonia or other refrigeration agent gaseous working medium in the cylinder 10 of the second band piston.With 224 logical first reversing control valves 12,13 controls of second reversing control valve as the receiver 1 of high temperature heat source, as the heat-transfer path of the cooling tower 8 of low-temperature heat source; Make first heat exchanger 11; 16 one after the others of second heat exchanger are to the cylinder 9 of the first band piston; The cylinder 10 of the second band piston carries out heat supply and heat release, accomplishes a work cycle automatically.
The motor of present embodiment is accomplished heat supply stroke and these two processes of heat release stroke; In described heat supply and heat release stroke stroke; First piston 17 in the cylinder 9 of the first band piston arrives last heat supply advance angle of top dead center; When second piston 18 in the cylinder 10 of the second band piston arrives last heat release advance angle of lower dead center; (highs and lows of the piston arrives when top dead center and lower dead center are 14 motions of crank-connecting rod system is confirmed through timing gear 15 positions); Timing gear 15 obtain the signal on the piston automatically; And be transferred to first reversing control valve 12 and second reversing control valve 13; This moment, the receiver 3 as high temperature heat source passed through the cylinder 9 inner refrigerant heat supplies of first heat exchanger 11 to the first band piston; Working medium becomes gaseous state by liquid state after the receiver 3 as high temperature heat source absorbs heat, first piston 17 works done in the cylinder 9 of the volumetric expansion promotion first band piston; To cooling tower 8 heat releases as low-temperature heat source, the working medium volume shrinkage becomes liquid state again by gaseous state to working medium in the cylinder 10 of the second band piston through second heat exchanger 13, second piston, 18 actings in the cylinder 10 of the promotion second band piston.First piston 17 in the cylinder 9 of the first band piston moves to lower dead center from top dead center; Second piston 18 in the cylinder 10 of the second band piston is when lower dead center moves to top dead center; Bent axle in the crank-connecting rod system 14 rotates 180 degree, and timing gear 15 obtain this signal automatically and are transferred to first reversing control valve, 12, the second reversing control valves 13; Cause first reversing control valve 12; Second reversing control valve 13 commutates, and this moment, the receiver 3 as high temperature heat source passed through cylinder 10 heat supplies of second heat exchanger 16 to the second band piston, and the cylinder 9 of the first band piston passes through first heat exchanger 11 to cooling tower 8 heat releases as low-temperature heat source.Make 16 one after the others of first heat exchanger, 11, the second heat exchangers be with the cylinder 10 of pistons to carry out heat supply and heat release to the cylinder 9, the second of the first band piston; Automatically accomplish a work cycle.
The cold & heat source heating arrangement switching of completion two cylinder heat supply heat releases automatically with the Working fluid phase changing cycle heat engine of present embodiment, two-way effect has improved efficiency of heat engine, helps improving efficiency of energy utilization; It is low to have cost, the advantage of simple structure, high working efficiency.
Claims (6)
1. a disc type solar energy thermoelectric generator is characterized in that: comprise heliostat system (1), condenser (2), receiver (3), high-temperature heat accumulation jar (4) and Working fluid phase changing motor (5); Heliostat system (1) wherein, condenser (2) and receiver (3) are installed in respectively on the support (6), and receiver (3) links to each other with high-temperature heat accumulation jar (4), Working fluid phase changing motor (5) respectively through pipeline; Heliostat system (1) realizes the real-time tracking to the sun; Condenser (2) reflexes to sunlight on the receiver (3); The receiver (3) that is positioned on the support (6) absorbs the high heat flux radiation energy that is reflected by condenser (2); And be translated into the high temperature heat of working fluid and be stored in the heat transfer fused-salt medium in the high-temperature heat accumulation jar (4), utilize the working medium in the high-temperature molten salt medium heating working medium phase transformation motor (5) again, drive Working fluid phase changing motor (5) and rotate; Drive generator for electricity generation, change heat energy into mechanical energy; Described Working fluid phase changing motor (5) comprises the cooling tower (8) as low-temperature heat source, the cylinder (9) of the first band piston, the cylinder (10) of the second band piston; First heat exchanger (11), second heat exchanger (16), first reversing control valve (12); Second reversing control valve (13); Crank-connecting rod system (14), timing gear (16), cooling waterpump (7); Wherein the receiver (3) as high temperature heat source is connected with first reversing control valve (12) through pipeline; Cooling tower (8) is connected with second reversing control valve (13) through pipeline; First reversing control valve (12) links to each other with second heat exchanger (16) with first heat exchanger (11) respectively through pipeline, and second reversing control valve (13) also links to each other with second heat exchanger (16) with first heat exchanger (11) respectively through pipeline; First heat exchanger (11) is installed in the cylinder (9) of the first band piston; Second heat exchanger (16) is installed in the cylinder (10) of the second band piston; Transmit through signal between first reversing control valve (12) and second reversing control valve (13) and the crank-connecting rod system (14); Crank-connecting rod system (14) respectively with first piston (17), second piston (18) is hinged mutually.
2. a kind of disc type solar energy thermoelectric generator as claimed in claim 1 is characterized in that: described condenser (2) is made up of the circular parabolic mirror of multiaspect, becomes circle-shaped distribution.
3. a kind of disc type solar energy thermoelectric generator as claimed in claim 2 is characterized in that: described condenser (2) is made up of the circular parabolic mirror of 9-12 face, and mirror diameter is 3-5m.
4. a kind of disc type solar energy thermoelectric generator as claimed in claim 1 is characterized in that: described first reversing control valve (12), second reversing control valve (13) are 24 logical reversing control valves, and its signal adopts mechanical cam mechanism or solenoid valve switching-over.
5. a kind of disc type solar energy thermoelectric generator as claimed in claim 1; It is characterized in that: the cylinder (9) of the described first band piston; Be full of refrigeration agent working medium in the cylinder (10) of the second band piston, with 224 logical first reversing control valves (12), the heat-transfer path of second reversing control valve (13) control receiver (3), cooling tower (8); Make first heat exchanger (11); Second heat exchanger (16) one after the other is to the cylinder (9) of the first band piston, and the cylinder (10) of the second band piston carries out heat supply and heat release, accomplishes a work cycle automatically.
6. a kind of disc type solar energy thermoelectric generator as claimed in claim 5 is characterized in that: described working medium adopts liquid ammonia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102818577A CN101943143B (en) | 2010-09-11 | 2010-09-11 | Disk solar thermoelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102818577A CN101943143B (en) | 2010-09-11 | 2010-09-11 | Disk solar thermoelectric generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943143A CN101943143A (en) | 2011-01-12 |
| CN101943143B true CN101943143B (en) | 2012-01-11 |
Family
ID=43435303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102818577A Expired - Fee Related CN101943143B (en) | 2010-09-11 | 2010-09-11 | Disk solar thermoelectric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101943143B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128149A (en) * | 2011-02-25 | 2011-07-20 | 上海齐耀动力技术有限公司 | Phosgene-complementary disc-type sterling solar power generation device |
| CN103256191B (en) * | 2013-05-27 | 2015-11-25 | 国电龙源电力技术工程有限责任公司 | Disc type solar energy assistant coal power generation system |
| CN105626405B (en) * | 2016-01-05 | 2018-10-30 | 王旭 | A kind of preparation method of the solar energy disk system with heat-storing device |
| CN106595077A (en) * | 2016-10-31 | 2017-04-26 | 中航动力股份有限公司 | Combined heat collection and power generation separated type solar-thermal power generation device |
| CN107061202B (en) * | 2017-03-20 | 2019-02-12 | 吴联凯 | A kind of power generator using solar energy |
| CN107631279B (en) * | 2017-09-13 | 2024-04-12 | 浙江明烁节能科技股份有限公司 | Concave direct-irradiation type clean boiler with multiple energy sources for recycling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539123A (en) * | 2008-03-19 | 2009-09-23 | 中国科学院工程热物理研究所 | Groove-tower combined two-stage heat-storage solar-heat power generation system |
| CN101354021B (en) * | 2007-07-27 | 2010-06-02 | 张文广 | Solar heat compound electricity generation system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6080927A (en) * | 1994-09-15 | 2000-06-27 | Johnson; Colin Francis | Solar concentrator for heat and electricity |
| US20050150225A1 (en) * | 2004-01-08 | 2005-07-14 | Gwiazda Jonathan J. | Power generation by solar/pneumatic cogeneration in a large, natural or man-made, open pit |
| US8003379B2 (en) * | 2006-08-01 | 2011-08-23 | Brightsource Energy, Inc. | High density bioreactor system, devices, and methods |
-
2010
- 2010-09-11 CN CN2010102818577A patent/CN101943143B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354021B (en) * | 2007-07-27 | 2010-06-02 | 张文广 | Solar heat compound electricity generation system |
| CN101539123A (en) * | 2008-03-19 | 2009-09-23 | 中国科学院工程热物理研究所 | Groove-tower combined two-stage heat-storage solar-heat power generation system |
Non-Patent Citations (3)
| Title |
|---|
| 李安定等.碟式聚光太阳热发电技术.《太阳能》.2003,(第3期),第25-27页. * |
| 杨征等.碟式太阳能热发电系统吸热器传热方式的分析与比较.《太阳能》.2007,(第12期),第16-19页. * |
| 许辉等.碟式太阳能热发电技术综述(一).《热力发电》.2009,(第5期),5-9. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101943143A (en) | 2011-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201908795U (en) | Disc type solar thermal power generator | |
| CN101915224B (en) | Tower type solar energy circulating heat power generating system | |
| CN101943143B (en) | Disk solar thermoelectric generator | |
| CN208380764U (en) | A kind of Bretton solar-thermal generating system of the improvement based on slot type heliostat | |
| CN101705924B (en) | Solar energy heat radiation direct drive heat engine | |
| CN105201579A (en) | Supercritical carbon dioxide power generation system based on secondary reflection condensation heat-absorption technique | |
| CN205047262U (en) | Super supercritical carbon dioxide power generation system based on secondary reflection spotlight heat absorption technique | |
| Wang et al. | Introduction to solar heating and cooling systems | |
| CN102242698A (en) | Distributed-type heat and power cogeneration set capable of accumulating energy and heat | |
| CN106481522B (en) | Closed helium turbine tower type solar thermal power generation system with heat accumulation function | |
| CN105464914A (en) | Direct-expansion solar thermal power generation system based on cascade Rankine cycle | |
| CN103017397B (en) | Medium-high temperature solar steam-absorption refrigeration-seawater desalination-energy storage coupling system | |
| CN201891443U (en) | Work medium phase change circulation thermal engine | |
| CN105065217A (en) | Solar thermal power generation system and method applicable to hot and dry regions | |
| CN201916139U (en) | Tower type solar circulation thermal generating system | |
| Jamshidian et al. | An overview of solar thermal power generation systems | |
| CN106499601B (en) | Closed helium turbine tower type solar thermal power generation system with heat storage function | |
| CN102242697A (en) | Distributed-type non-tracking solar power generation and poly-generation system | |
| CN203214254U (en) | Fused salt and heat conducting oil heat exchanging device for solar photo-thermal power generating | |
| CN201916009U (en) | Vapor compression type heat engine adopting working media in phase-change circulation | |
| CN101934856B (en) | Solar power and conventional power dual-power ship system | |
| CN201627689U (en) | Heat pipe solar organic Rankine cycle low temperature thermal power generation system | |
| CN204961183U (en) | Solar thermal power generation system suitable for hot arid area | |
| CN205370873U (en) | Formula of directly expanding solar thermal power generation system based on overlapping rankine cycle | |
| CN104296397A (en) | Device capable of utilizing heat of disk-type solar thermal collector in offline and concentrated mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120111 Termination date: 20140911 |
|
| EXPY | Termination of patent right or utility model |