CN106014892A - Sustainable solar power generation process - Google Patents
Sustainable solar power generation process Download PDFInfo
- Publication number
- CN106014892A CN106014892A CN201610547096.2A CN201610547096A CN106014892A CN 106014892 A CN106014892 A CN 106014892A CN 201610547096 A CN201610547096 A CN 201610547096A CN 106014892 A CN106014892 A CN 106014892A
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- Prior art keywords
- heat
- energy storage
- energy
- collector
- night
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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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a novel solar power generation process. In the daytime, solar energy is used for collecting heat to generate electricity, and redundant heat energy is stored to supply sustainable power generation energy at night or in rainy days. The process belongs to utilization of clean energy, and is free of pollution. The process uses heat storage for replacing electricity storage, and solves the power generation sustainability problem at night or in rainy days through energy storage.
Description
Technical field
The present invention relates to a kind of solar electrical energy generation technique, it is provided that a kind of continuable solar energy generation technology.
Background technology
Solar energy is a kind of inexhaustible clean energy resource.Day by day reduce in fossil energy, environmental pollution
Under severe situation, development and utilization solar energy has great importance.The highest for Solar use efficiency, photoelectricity turns
Rate of changing is the highest by 26%, and there is the problem that night, equipment can not continue generating dutation.Wind-power electricity generation also belongs to utilize cleaning energy
Source generates electricity, but owing to wind speed has stochastic volatility, the most wind power-generating grid-connected power swing is very big, and this is to operation of power networks
Stability and economical have a great impact.So seeking a kind of Novel clean sustainable development galvanic process is current urgent need.
Summary of the invention
The present invention provides a kind of solar electrical energy generation technique, and to solve the pollution to environment of the existing generation technology, wind-force is sent out
Electricity is unstable and the problem that utilizes solar energy persistently to generate electricity night.The present invention is made up of two cover systems, a set of thermal-arrest generating on daytime,
Another set of daytime thermal-arrest, heat accumulation, generate electricity night.Sustainable solar electrical energy generation technique, it includes at least one solar energy system, is somebody's turn to do
Solar energy system includes the heat-conducting fluid flowing through solar energy system, and solar receiver, and it passes through solar energy to flowing through the sun
The heat-conducting fluid of energy receptor heats, and the most unnecessary heat energy enters energy storage device storage, heat-conducting fluid and low boiling
Point working fluid is exchanged by heat exchanger, makes low boiling point working medium boiling produce the generating of pressure pushing turbine.Solar energy system
With between heat reservoir, between heat reservoir and electricity generation system, the transmission of heat is realized by heat-exchanger rig.Solar energy heat conducting fluid
It can be the mixture of one or several materials in the Organic substances such as water, silicone oil, methanol, propylene glycol, ethylene glycol.Energy storage fluid
It it is the mixture of one or more materials in the materials such as water, inorganic salt, Organic substance.Electrification technique as well as low boiling working fluid is
The mixture of one or more materials in the materials such as ammonia, fluorochloride, low boiling alkane.
In solar energy system, the flow of heat-conducting fluid can be regulated by the storage tank of heat-conducting fluid.Lower boiling working fluid
Flow can be adjusted by the storage tank of lower boiling working fluid.
The present invention has environmental protection, a free of contamination characteristic, and solves the discontinuity of solar electrical energy generation, maintains electrical network
The stability run.
Accompanying drawing illustrates:
Accompanying drawing is the schematic flow sheet of the present invention, and in accompanying drawing, each chemical unit is labeled as 1,2,3,4,5,6,7,8.
Solar receiver 1, heat exchanger 2, vaporizer 5, steam-turbine unit 6, condenser 7 constitute the system that works by day.Too
Sun can heat heat-conducting fluid by receptor 1, and heat-conducting fluid is recycled to vaporizer 5 at heat exchanger 1 and energy storage fluid heat transfer, energy storage fluid
With lower boiling working fluid heat exchange, working fluid heat absorption becomes saturated vapor, and saturated vapor pushing turbine drives electromotor 6
Generating, the waste heat of the gas after acting is only absorbed by the water at condenser 7, is recycled to vaporizer and again absorbs heat acting.
Solar receiver 3, heat exchanger 4, vaporizer 5, steam-turbine unit 6, condenser 7, energy storage canister 8 are constituted works at night
Technique.Daytime, solar receiver 3 heated heat-conducting fluid, and heat-conducting fluid is at heat exchanger 3 and energy storage fluid heat transfer, energy storage fluid reservoir
There is energy storage canister 8.Energy storage at night fluid and low boiling working fluid drive generating vaporizer 5 heat exchange, Steam Actuation steam turbine
Machine 6 generates electricity, and the waste heat of the gas after acting is absorbed by the water of condenser 7, is recycled to vaporizer 5 and again absorbs heat acting.Night pair
Energy storage canister 8 auxiliary heating is to ensure that electromotor persistently generates electricity.
Specific embodiment:
Cold-producing medium used by assuming is fluorochloroparaffins CF3CHCl2(R123).Its thermodynamic parameter is as shown in the table:
| Working medium | Normal boiling point/DEG C | Critical temperature/DEG C | Critical pressure/MPa | Evaporation latent heat/(J g-1) | Specific heat capacity/(J g-1·K-1) | Relative molecular mass | ODP | GWP |
| R123 | 27.7 | 183.8 | 3.67 | 170.19 | 1.022 | 152.9 | 0.02 | 93 |
In one example, solar radiation intensity is 5040MJ/m2, solar collector 1 is vacuum heat pipe type heat collector,
Collector area is 74m2, heat collector heating conduction oil, conduction oil and water heat exchange in heat exchanger 2, heat exchanger area 135m2, hot water
Transport in vaporizer 5 by the road, evaporator heat exchange area 78m2, heat low boiling working fluid R123, the R123 heat absorption vapour of 25 DEG C
Changing, become the saturated vapor of 65 DEG C, steam turbine is done work by steam, and the internal efficiency of steam turbine is 70%.The electric energy power of output is
1KW, one hour generating a kilowatt.Heat collector 3 area that generate electricity night needs for 18 hours is 22m2, the heat exchange area of heat exchanger 4
For 55m2 ,The area of vaporizer 5 is constant, and the volume of energy storage canister is 4.8m3。
In another example, solar radiation intensity is 5040MJ/m2, solar collector 1 is vacuum heat pipe type
Heat collector, collector area is 8696142.86m2, heat collector heating conduction oil, conduction oil and water heat exchange in heat exchanger 2, heat exchange
Device area 1428407.17m2, hot water transports in vaporizer 5 by the road, evaporator heat exchange area 407695.399m2, heat low
Boiling point working medium R123, the R123 heat absorption vaporization of 25 DEG C, become the saturated vapor of 65 DEG C, steam turbine is done work by steam, steam turbine
Internal efficiency is 70%.The electric energy power of output is 1,000,000 KW.Heat collector 3 area that generate electricity night needs for 18 hours is
26088428.6m2, the heat exchange area of heat exchanger 4 is 4285221.51m2 ,The area of vaporizer 5 is constant, and the volume of energy storage canister is
4.8×106m3。。
Claims (9)
1. the principle utilizing solar electrical energy generation technique, it is characterised in that be that one continuous print round the clock continues electrification technique as well as.
2. the heat-retaining mass employed in the present invention can be water or the aqueous solution containing inorganic salts.
3. in the present invention to steam turbine acting working medium be middle high temperature refrigerant, its can be R11, R21, R114, R717, R12,
The mixture of one or more cold-producing mediums in the cold-producing mediums such as R22.
4. in the present invention, in heat collector, direct-fired heat-conducting fluid can be in the Organic substances such as water, silicone oil, propylene glycol, ethylene glycol
The mixture of one or more materials.
5. the present invention have employed and overlap blood circulation with night two in the daytime.
In the daytime blood circulation the most according to claim 5 it is characterized in that by heat conduction oil type heat pipe collector 1, heat exchanger
2, vaporizer 5, steam turbine and electromotor unit 6, condenser 7 forms.
Nighttime cycle system the most according to claim 5 it is characterized in that by heat conduction oil type heat pipe collector 3, heat exchanger
4, vaporizer 5, steam turbine and electromotor unit 6, condenser composition 7, energy storage canister 8 form.
8. according to its mode of nighttime cycle system described in right 5 it is: the heat-retaining mass in daytime energy storage canister enters heat collector 3
In heat, heat-retaining mass after heating enters energy storage canister 8 and stores；Opening energy storage canister 8 night, heat-retaining mass is to thermal-arrest
Carrying out heat exchange in device 3, the working medium pushing turbine of heating drives electromotor 6 to do work.
9. auxiliary electrical heater can be used to heat up according to the heat-retaining mass in the nighttime cycle system mode described in right 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547096.2A CN106014892A (en) | 2016-07-13 | 2016-07-13 | Sustainable solar power generation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547096.2A CN106014892A (en) | 2016-07-13 | 2016-07-13 | Sustainable solar power generation process |
Publications (1)
| Publication Number | Publication Date |
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| CN106014892A true CN106014892A (en) | 2016-10-12 |
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ID=57109444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610547096.2A Pending CN106014892A (en) | 2016-07-13 | 2016-07-13 | Sustainable solar power generation process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869429A (en) * | 2017-10-30 | 2018-04-03 | 北京兆阳光热技术有限公司 | A kind of separated moveable heat exchange heat taking method and solar-thermal generating system |
| CN108204258A (en) * | 2016-12-16 | 2018-06-26 | 海口未来技术研究院 | Power generator and near space vehicle |
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| CN201255085Y (en) * | 2008-09-03 | 2009-06-10 | 赵卫杰 | Solar double-cycle generating set |
| CN201318255Y (en) * | 2008-10-30 | 2009-09-30 | 常州宣纳尔新能源科技有限公司 | Solar comprehensive utilizing system |
| CN101968043A (en) * | 2010-10-25 | 2011-02-09 | 北京世纪源博科技有限责任公司 | Solar thermal power generation system |
| CN102305199A (en) * | 2011-07-20 | 2012-01-04 | 徐添贵 | Solar power generator and continuous solar power generation method |
| CN103134213A (en) * | 2013-03-12 | 2013-06-05 | 北京化工大学 | Method for converting and storing solar energy with low-hydration magnesium chloride as energy storage working medium |
| CN105004073A (en) * | 2015-08-03 | 2015-10-28 | 中国华能集团清洁能源技术研究院有限公司 | Solar heat collection and storage system for power generation |
-
2016
- 2016-07-13 CN CN201610547096.2A patent/CN106014892A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201255085Y (en) * | 2008-09-03 | 2009-06-10 | 赵卫杰 | Solar double-cycle generating set |
| CN201318255Y (en) * | 2008-10-30 | 2009-09-30 | 常州宣纳尔新能源科技有限公司 | Solar comprehensive utilizing system |
| CN101968043A (en) * | 2010-10-25 | 2011-02-09 | 北京世纪源博科技有限责任公司 | Solar thermal power generation system |
| CN102305199A (en) * | 2011-07-20 | 2012-01-04 | 徐添贵 | Solar power generator and continuous solar power generation method |
| CN103134213A (en) * | 2013-03-12 | 2013-06-05 | 北京化工大学 | Method for converting and storing solar energy with low-hydration magnesium chloride as energy storage working medium |
| CN105004073A (en) * | 2015-08-03 | 2015-10-28 | 中国华能集团清洁能源技术研究院有限公司 | Solar heat collection and storage system for power generation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204258A (en) * | 2016-12-16 | 2018-06-26 | 海口未来技术研究院 | Power generator and near space vehicle |
| CN108204258B (en) * | 2016-12-16 | 2024-03-22 | 佛山顺德光启尖端装备有限公司 | Power generation device and near space vehicle |
| CN107869429A (en) * | 2017-10-30 | 2018-04-03 | 北京兆阳光热技术有限公司 | A kind of separated moveable heat exchange heat taking method and solar-thermal generating system |
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