CN209431693U - A kind of Dish solar thermal power system - Google Patents
A kind of Dish solar thermal power system Download PDFInfo
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- CN209431693U CN209431693U CN201821288336.2U CN201821288336U CN209431693U CN 209431693 U CN209431693 U CN 209431693U CN 201821288336 U CN201821288336 U CN 201821288336U CN 209431693 U CN209431693 U CN 209431693U
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- heat
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- solar thermal
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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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- 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 utility model relates to a kind of Dish solar thermal power systems, including disc type solar energy collecting system and electricity generation system, the disc type solar energy collecting system connects the electricity generation system by pipeline, circulation has the first heat transfer medium in the pipeline, the electricity generation system includes the steam generator being sequentially communicated, feed pump, steam turbine and condenser, the steam turbine is connected with generator, first heat transfer medium flows into the steam generator by the pipeline, the feed pump is pumped into fluid water into the steam generator, the heat that water absorbs first heat transfer medium is converted into steam in the steam generator, the steam flows into acting in the steam turbine and drives the electrical power generators, water, which is condensed into, in the steam inflow condenser after acting is back to the feed pump.The utility model uses steam-electric power, and recirculated water recycling greatly reduces production cost.
Description
Technical field
The present invention relates to a kind of electricity generation system more particularly to a kind of Dish solar thermal power systems.
Background technique
Light-focusing type solar is one of the effective means of Solar use using technology.Generally, Salar light-gathering skill
Art has slot type, tower, dish-style, four kinds of Fresnel.Wherein disc type solar energy technology has higher light concentrating times, can reach more
High temperature levels can correspondingly improve system effectiveness.Also, disc type solar energy technology has the advantage of flexible arrangement, can fit
Various Complex orographic condition is answered, not only can be using independent operating as the Miniature Power Unit of remote districts, it can be by greater number of dish
Formula equipment combines to form large-scale solar energy power station.
Traditional disc type solar energy system is using Stirling-electric hybrid as generating equipment, and cost can occupy any more long, and due to not having
There is storage/heat-exchange system, output is influenced by solar energy fluctuation.Existing solar heat power generation system generally use fuse salt,
Conduction oil etc. is used as the first heat transfer medium, and operating temperature is limited by medium physical property, and (600 DEG C of fuse salt maximum operating temperature, lead
400 DEG C of hot oil maximum operating temperature), powergenerationcycleefficiency is limited, and the working medium such as fuse salt, conduction oil there are it is inflammable and explosive,
The strong problem of corrosivity brings investment is increased to ask furthermore to prevent the first heat transfer medium freezing problem from need to increase relevant device
Topic.
Summary of the invention
The present invention is low etc. in order to solve the limitation of at high cost, traditional photo-thermal power generation the first heat transfer medium operating temperature, safety
Problem provides a kind of Dish solar thermal power system, which uses steam-electric power, and circulating water reclamation utilizes reduction
Cost of electricity-generating.
The technical solution used in the present invention are as follows: a kind of Dish solar thermal power system, including disc type solar energy thermal-arrest
System and electricity generation system, the disc type solar energy collecting system connect the electricity generation system, circulation in the pipeline by pipeline
There is the first heat transfer medium, it is characterised in that: the electricity generation system includes the steam generator, feed pump, steam turbine being sequentially communicated
And condenser, the steam turbine are connected with generator, first heat transfer medium flows into the steam generation by the pipeline
Device, the feed pump are pumped into fluid water into the steam generator, and water absorbs the heat of first heat transfer medium described
Steam is converted into steam generator, the steam flows into acting in the steam turbine and drives the electrical power generators, after acting
Steam flow into the condenser and be condensed into water and be back to the feed pump, first heat transfer medium is gas working medium.
Further, storage/heat-exchange system is equipped between the disc type solar energy collecting system and the electricity generation system, it is described
Heat-storage medium is stored in storage/heat-exchange system, the disc type solar energy collecting system connects the storage/heat exchange by first pipe
The first entrance of system connects the first outlet of the storage/heat-exchange system, first heat transfer medium by the second pipe
Storage/the heat-exchange system and the heat accumulation are flowed by the first pipe after heating in the disc type solar energy collecting system
Medium carries out heat exchange, is then back to the disc type solar energy collecting system by the second pipe；
The electricity generation system connects the second outlet of the storage/heat-exchange system by third pipeline, is connected by the 4th pipeline
Connect the second entrance of the storage/heat-exchange system, the second heat transfer medium is absorbed after heat in the heat-storage medium by described the
Three pipelines, which flow into, heats water in the steam generator, be then back to the storage/heat-exchange system by the 4th pipeline.
Further, the heat-storage medium is liquid, and second heat transfer medium is the heat-storage medium.
Further, the heat-storage medium is solid, and second heat transfer medium is gas medium.
Further, first heat transfer medium is gas working medium, and the operating pressure of the gas working medium is 0 ~ 5MPa, temperature
300 ~ 1000 DEG C of degree.
Further, the gas working medium is one of air, nitrogen, helium, carbon dioxide.
Further, the heat-storage medium be fuse salt, magnesia brick, composite phase-change material, ceramics, stone, metal and alloy,
One or more combinations of concrete.
Further, the heat-storage medium is fuse salt.
Further, the storage/heat-exchange system is gas-salt heat exchanger, is set respectively on the third pipeline and the 4th pipeline
There are hot salt cellar and cold salt cellar.
Further, salt pump is equipped between the cold salt cellar and storage/heat-exchange system.
Further, the circulation power for providing circulation power for fluids within pipes is provided on the pipeline to set
It is standby.
Further, it is provided with thermal-arrest circulation power equipment on the second pipe, is arranged on the 4th pipeline
There is heat accumulation circulation power equipment.
Beneficial effect caused by the present invention includes: the present invention using steam-electric power, and recirculated water recycling substantially reduces
Production cost；The present invention is using gas working medium as the first heat transfer medium, and solving traditional first heat transfer medium, there are inflammable
Problem explosive, corrosivity is strong；Storage/heat-exchange system is set in the present invention, and effective solution conventional power generation systems output is by too
Positive energy fluctuation influences big problem；The collocation of dish-style heat collector and gas working medium that system of the invention uses, has higher
Optical efficiency and running temperature, avoid solidification, the security problems of conventional the first heat transfer medium of solar energy thermal-power-generating, simultaneously
Integrated storage/heat-exchange system, overcomes the limitation of solar energy intermittence and low stability.
Detailed description of the invention
Fig. 1 is the basic principle structural schematic diagram of present system.
Fig. 2 is the structural schematic diagram of present system one embodiment.
In figure:
1, disc type solar energy collecting system, 2, storage/heat-exchange system, 3, electricity generation system, 4, thermal-arrest circulation power equipment, 5, storage
Thermal cycle power-equipment, 6, steam generator, 7, feed pump, 8, steam turbine, 9, generator, 10, condenser, 11, dish-style thermal-arrest
Device, 12, first pipe, 13, second pipe, 14, third pipeline, the 15, the 4th pipeline, the 16, the 5th pipeline, the 17, the 6th pipeline,
24, the 7th pipeline, the 25, the 8th pipeline, 18, gas-salt heat exchanger, 19, hot salt cellar, 20, cold salt cellar, 21, hot salt valve, 22, cold salt
Valve, 23, salt pump.
Specific embodiment
Further details of explanation is done to the present invention with reference to the accompanying drawings and detailed description, it should be appreciated that
The protection scope of the present invention is not limited by the specific implementation manner.
Refering to fig. 1, a kind of Dish solar thermal power system, including disc type solar energy collecting system 1, storage/heat exchange
System 2, electricity generation system 3, thermal-arrest circulation power equipment 4, heat accumulation circulation power equipment 5 and the pipeline for being connected to each device.The dish
Formula solar thermal collection system 1 is connect by first pipe 12 and second pipe with storage/heat-exchange system 2, and gas working medium passes through dish-style
Solar thermal collection system 1 rises to high temperature, flow to storage/heat-exchange system 2 by first pipe and discharges heat completion heat storage, release
Gas working medium after complete heat is back to disc type solar energy collecting system 1 finally by second pipe and completes a collection thermal cycle,
Thermal-arrest circulation power equipment 4 is set on second pipe, provides power for circulating for gas working medium.
Electricity generation system 3 is connect by third pipeline and the 4th pipeline with storage/heat-exchange system 2, and storage/heat-exchange system is built-in with storage
Thermal medium.
Electricity generation system includes steam generator, feed pump, steam turbine, generator and condenser, and feed pump 7 conveys water and steaming
The heat that storage/heat-exchange system 2 discharges is absorbed in vapour generator 6 and generates steam, and steam is done by the 5th pipeline 16 into steam turbine 8
Function drives generator 9 to generate electricity, and the steam for finishing function condenses into liquid water by condenser 10 and returns to water supply by the 6th pipeline 17
Pump 7 completes power generation cycle.
Disc type solar energy condenser system 1 by a dish-style condenser 11, or by several dish-style condensers 11 connect institute
The circuit of composition composes in parallel again, and the collection area of single dish-style condenser 11 is 10m2~500m2.Gas working medium in the present invention
For one of air, nitrogen, helium, carbon dioxide, operating pressure is 0 ~ 5MPa, 300 ~ 1000 DEG C of temperature.
Storage/heat-exchange system 2 in the present invention, heat-storage medium be high-temperature fusion salt, magnesia brick, composite phase-change material, ceramics,
One or more combinations of stone, metal and alloy, concrete.
As shown in Fig. 2, being one embodiment of present system, in conjunction with Fig. 1, the specific implementation of 2 detailed description embodiments
Mode.Gas working medium selects air, and heat-storage medium selects fuse salt, and storage/heat-exchange system 2 includes gas-salt heat exchanger 18, hot salt
Tank 19 and cold salt cellar 20 are connected between hot salt cellar 19 and gas-salt heat exchanger 18 by the 7th pipeline, and cold salt cellar 20 is changed with gas-salt
It is connected between hot device 18 by the 8th pipeline.When solar energy abundance, air rises to high temperature in disc type solar energy condenser system 1,
By gas-heat exchange release heat of salt heat exchanger 18, cold salt valve 22 controls the opening and closing of the 7th pipeline and the 8th pipeline with hot salt valve 21,
Fuse salt flows out under the drive of salt pump 23 from cold salt cellar 20, and the heat for absorbing air release through gas-salt heat exchanger 18 heats up,
Hot salt cellar 19 is flowed into, completes heat accumulation process, while the driving fuse salt of heat accumulation circulation power equipment 5 is flowed out from hot salt cellar 19 and steamed
Heat is discharged in vapour generator 6, is flowed into cold salt cellar 20, the feed pump 7 in electricity generation system 3 conveys water and enters steam generator 6
The heat for absorbing fuse salt release generates steam, and steam enters the acting of steam turbine 8 by the 5th pipeline 16 and generator 9 is driven to send out
Electricity, the steam for finishing function condense into liquid water by condenser 10 and return to the completion power generation cycle of feed pump 7.At cloudy, overcast and rainy, night
Under evening or the insufficient situation of solar energy, heat accumulation process stops working, and utilizes the heat stored in hot salt cellar 19, cold salt cellar 20
It generates electricity.
The above is only a preferred embodiment of the present invention, and the present invention is not limited in the content of embodiment.For in this field
Technical staff for, can have various change and change within the scope of technical solution of the present invention, made any variation and
Change, within that scope of the present invention.
Claims (9)
1. a kind of Dish solar thermal power system, including disc type solar energy collecting system and electricity generation system, the dish-style sun
Energy collecting system connects the electricity generation system by pipeline, and circulation has the first heat transfer medium in the pipeline, it is characterised in that: institute
Stating electricity generation system includes the steam generator being sequentially communicated, feed pump, steam turbine and condenser, and the steam turbine is connected with power generation
Machine, first heat transfer medium flow into the steam generator by the pipeline, and the feed pump is to the steam generator
It is inside pumped into fluid water, the heat that water absorbs first heat transfer medium is converted into steam, the steaming in the steam generator
Steam flow enters acting in the steam turbine and drives the electrical power generators, and the steam after acting flows into the condenser and is condensed into water
It is back to the feed pump；First heat transfer medium is gas working medium；
Storage/heat-exchange system is equipped between the disc type solar energy collecting system and the electricity generation system, in the storage/heat-exchange system
It is stored with heat-storage medium, the disc type solar energy collecting system is entered by first that first pipe connects the storage/heat-exchange system
Mouthful, the first outlet of the storage/heat-exchange system is connected by second pipe, first heat transfer medium is in the disc type solar energy
Storage/the heat-exchange system is flowed by the first pipe after heating in collecting system and the heat-storage medium carries out heat exchange,
Then the disc type solar energy collecting system is back to by the second pipe；
The electricity generation system connects the second outlet of the storage/heat-exchange system by third pipeline, connects institute by the 4th pipeline
Storage/heat-exchange system second entrance is stated, the heat-storage medium flows into heating in the steam generator by the third pipeline
Then water is back to the storage/heat-exchange system by the 4th pipeline.
2. Dish solar thermal power system according to claim 1, it is characterised in that: the operation pressure of the gas working medium
Power be 0 ~ 5MPa, 300 ~ 1000 DEG C of temperature.
3. Dish solar thermal power system according to claim 2, it is characterised in that: the gas working medium be air,
One of nitrogen, helium, carbon dioxide.
4. Dish solar thermal power system according to claim 1, it is characterised in that: the heat-storage medium is melting
One or more combinations of salt, magnesia brick, composite phase-change material, ceramics, stone, metal and alloy, concrete.
5. Dish solar thermal power system according to claim 4, it is characterised in that: the heat-storage medium is melting
Salt.
6. Dish solar thermal power system according to claim 5, it is characterised in that: the storage/heat-exchange system is gas-
Salt heat exchanger is respectively equipped with hot salt cellar and cold salt cellar on the third pipeline and the 4th pipeline.
7. Dish solar thermal power system according to claim 6, it is characterised in that: the cold salt cellar with store up/change
Salt pump is equipped between hot systems.
8. Dish solar thermal power system according to claim 1, it is characterised in that: be arranged on the pipeline useful
In providing the circulation power equipment of circulation power for fluids within pipes.
9. Dish solar thermal power system according to claim 1, it is characterised in that: be arranged on the second pipe
There is thermal-arrest circulation power equipment, is provided with heat accumulation circulation power equipment on the 4th pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288336.2U CN209431693U (en) | 2018-08-10 | 2018-08-10 | A kind of Dish solar thermal power system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288336.2U CN209431693U (en) | 2018-08-10 | 2018-08-10 | A kind of Dish solar thermal power system |
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| CN209431693U true CN209431693U (en) | 2019-09-24 |
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| CN201821288336.2U Active CN209431693U (en) | 2018-08-10 | 2018-08-10 | A kind of Dish solar thermal power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059315A (en) * | 2018-08-10 | 2018-12-21 | 昆山清芸新能源科技有限公司 | A kind of Dish solar thermal power system |
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2018
- 2018-08-10 CN CN201821288336.2U patent/CN209431693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059315A (en) * | 2018-08-10 | 2018-12-21 | 昆山清芸新能源科技有限公司 | A kind of Dish solar thermal power system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200317 Address after: 300467 area b2-6f-90, animation building, No.126, animation Middle Road, eco city, Binhai New Area, Tianjin Patentee after: TIANJIN TSINGYUN ZHULI ENERGY TECHNOLOGY Co.,Ltd. Address before: Suzhou City, Jiangsu Province, Yushan Town, Kunshan City, 215316 Zuchongzhi Road No. 1666 Tsinghua Science Park Building No. 1 Patentee before: KUNSHAN QINGYUN NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200407 Address after: 271199 NO.67 Huiyuan street, Laiwu high tech Zone, Jinan City, Shandong Province Patentee after: Main Energy Co.,Ltd. Address before: 300467 area b2-6f-90, animation building, No.126, animation Middle Road, eco city, Binhai New Area, Tianjin Patentee before: TIANJIN TSINGYUN ZHULI ENERGY TECHNOLOGY Co.,Ltd. |