CN103485989A - Comprehensive design method of solar thermal circulation power generation system - Google Patents
Comprehensive design method of solar thermal circulation power generation system Download PDFInfo
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- CN103485989A CN103485989A CN201310421605.3A CN201310421605A CN103485989A CN 103485989 A CN103485989 A CN 103485989A CN 201310421605 A CN201310421605 A CN 201310421605A CN 103485989 A CN103485989 A CN 103485989A
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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
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Abstract
The invention discloses a comprehensive design method of a solar thermal circulation power generation system. The comprehensive design method includes the following steps: I, determining capacities of a molten salt thermal storage chamber and a steam generation chamber according to power of a generator; II, connecting the steam generation chamber, a condensation chamber and a water tank into an airtight whole through a water pipe and a steam guide pipe; III, connecting the upper portion of the steam generation chamber and the upper portion of the water tank with an equalizing pipe; IV, mounting a check valve on the water pipe, mounting a normally-off electromagnetic valve on the equalizing pipe, and mounting a normally-on electromagnetic valve between the condensation chamber and the water tank; V, on the basis of finishing the step I, II, III and IV, forming the thermal circulation power generation system. The molten salt thermal storage chamber and the steam generation chamber are directly connected together through a thermal transmission component, so that thermal loss of thermal transmission equipment and a long thermal transfer path is reduced, cost of the power generation system is reduced, and thermal utilization rate is increased.
Description
Technical field
The invention belongs to the solar light-heat power-generation field, be specifically related to a kind of comprehensive designing method of solar energy optical-thermal cycle generating system.
Background technique
Solar energy attracts tremendous attention as a kind of never exhausted clean environment firendly energy; its Application and Development has become the world exploration and has utilized new energy; realize one of important subject of energy-saving and emission-reduction, environmental protection, increasing country has included it in the development plan of following green energy resource.China recent years, progressively pay attention to and emphasize the Application and Development of solar energy especially.
At present, the Application and Development of solar energy it would be desirable and utilizes solar electrical energy generation.Solar electrical energy generation mainly contains two kinds of forms, and a kind of is photovoltaic generation, and another kind is photothermal power generation.
Photovoltaic generation is to rely on silicon solar cell solar radiant energy to be converted into to a kind of generation technology of electric energy.This generation mode cost of electricity-generating is higher, and conversion efficiency is lower, generally is no more than 20%.And be subject to the variable effect of illumination very large, the quality of power supply is not high, can produce certain fluctuation with illumination variation, when entering night and there is no illumination, just can not generate electricity fully.Commercialization and grid-connected operation are undesirable.Simultaneously, the production of its upstream silicon materials also can cause severe contamination to environment.
Photothermal power generation is to install the solar radiant energy energy transform into heat energy by certain, then this part heat energy is converted into to mechanical energy, then is converted into the generation mode of electric energy by mechanical energy.This generation mode is compared with photovoltaic generation, and conversion efficiency is greatly improved, and is subject to the variable effect of illumination less, and the quality of power supply is better, and, with the storage of heat energy, generating dutation can be extended.Generating is not produced can, to environment, be applicable to commercialization and grid-connected operation.But making a general survey of current various forms of solar light-heat power-generation should be used for seeing, still exist the power generating equipment complexity, conversion efficiency is on the low side, cost of electricity-generating is too high with the ratio ratio of income, the quality of power supply is subject to the various problems such as the intermittence of solar energy and instability affect, and these problems have restricted the large-scale development of solar light-heat power-generation and application largely.
In sum, reduce the cost of solar power system, the conversion efficiency that improves solar energy is to realize the important means of the grid-connected operation application of the large-scale commercialization of solar light-heat power-generation.
Summary of the invention
The present invention is directed to the problems referred to above and proposed the new comprehensive designing method of a kind of solar energy optical-thermal cycle generating system, this comprehensive designing method comprises following step:
Step I: according to the generator power size, determine the amount of capacity of melting salt heat accumulation chamber and steam generating chamber.To melt salt heat accumulation chamber and steam generating chamber directly links together by heat transfer member, reduce the long heat energy loss of heat transfer equipment and thermal energy transfer route, reach the cost that reduces power generation system, improve the purpose of heat utilization rate.
Step II: steam generating chamber, condensation chamber, water tank are linked to be to an airtight integral body by conduit pipe and steam lead.
Step II I: on steam generating chamber top, be connected a balance pipe with water tank upper.
Step IV a: check valve is installed on conduit pipe, a normal off solenoid valve is installed on balance pipe, a normally open solenoid valve is installed between condensation chamber and water tank.
Step V: formed the solar thermochemical cycle power generation system on the basis of completing steps I, II, III, IV.Utilize heat transfer operation material " water ", at first absorb in steam generating chamber the heat energy converted from the solar radiant energy that melts salt heat accumulation chamber and become high temperature and high pressure steam, high temperature and high pressure steam discharges internal energy of molecular at condensation chamber and drives the generator shaft rotary electrification, then high temperature and high pressure steam is condensed into water and flows into water tank by normally open solenoid valve 1, due to water tank location higher than steam generating chamber position, Water in Water Tanks and steam generating chamber form depth displacement, at elevation pressure under poor effect, water by water tank through the automatic steam injection of conduit pipe generating chamber.When steam generating chamber pressure is higher, check valve stops the water of steam generating chamber and steam to flow into water tank, when in the normal power generation process, the constantly quick injected water of the higher need of steam generating chamber pressure is to steam generating chamber, open normal off solenoid valve 2 by control, close normally open solenoid valve 1 simultaneously, by balance pipe, water tank upper pressure is equated with steam generating chamber pressure, water in water tank is greater than steam generating chamber pressure under the effect of water tank upper pressure and depth displacement pressure again can be fast by the automatic steam injection of the water in water tank generating chamber, then, control and open normally open solenoid valve 1 simultaneously, close normal off solenoid valve 2, complete the condensation of water and automatically steam injection generating chamber do not need extra pumping system to realize circulation.
Compared with prior art, main beneficial effect is: designed solar-thermal generating system has significantly reduced system equipment to solar-thermal generating system comprehensive designing method of the present invention, improves the utilization ratio of institute's heat accumulation energy.Guarantee the harmony of heating and the prolongation of endurance and generating dutation, eliminated intermittence and the instability impact of solar energy.
The accompanying drawing explanation
The formation schematic diagram that Fig. 1 is the designed solar energy optical-thermal cycle generating system of this comprehensive designing method.
1 generator, 2 jet runners, 3 second motive sealings, 4 steam guide shafts, 5 first motive sealings, 6 condensation chambers, 7 normal off solenoid valves, 8 normally open solenoid valves, 9 balance pipes, 10 steam leads, 11 heating panels, 12 panels that are heated, 13 optically focused heating equipments, 14 heat transfer gussets, 15 check valves.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1: as shown in Figure 1, this Salar light-gathering solar thermochemical cycle power generation system first is stored in and melts salt heat accumulation chamber by melting be heated heat absorption that panel focuses on solar radiant energy conversion gained by optical block of salt heat accumulation chamber.Stretch into the bottom of melting the indoor heat transfer gusset of salt heat accumulation and heating panel by heat transfer member the heat energy of storage constantly is delivered to the heating panel, directly the heat transfer operation material (water) in heating steam generating chamber is the High Temperature High Pressure saturated vapour, the High Temperature High Pressure saturated vapour that steam generating chamber produces imports the steam guide shaft by steam lead, one to the ejection of several spray vapour runners, produce torques through what connect as one with the steam guide shaft, drive the steam guide shaft to rotarily drive the generator shaft rotary electrification.The steam of spray vapour runner ejection converges the inflow water tank after condensation chamber is condensed into water, under the effect of water tank and steam generating chamber pressure difference, the water of water tank steam injection generating chamber is again drawn heat energy generation High Temperature High Pressure saturated vapour, produce torque actuated steam guide shaft by the ejection of spray vapour runner again and rotarily drive the generator shaft rotation, realize circulating generation.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (1)
1. the comprehensive designing method of a solar energy optical-thermal cycle generating system, is characterized in that,
Step I: according to the generator power size, determine the amount of capacity of melting salt heat accumulation chamber and steam generating chamber; To melt salt heat accumulation chamber and steam generating chamber directly links together by heat transfer member, reduce the long heat energy loss of heat transfer equipment and thermal energy transfer route, reach the cost that reduces power generation system, improve the purpose of heat utilization rate;
Step II: steam generating chamber, condensation chamber, water tank are linked to be to an airtight integral body by conduit pipe and steam lead;
Step II I: on steam generating chamber top, be connected a balance pipe with water tank upper;
Step IV a: check valve is installed on conduit pipe, a normal off solenoid valve is installed on balance pipe, a normally open solenoid valve is installed between condensation chamber and water tank;
Step V: formed the solar thermochemical cycle power generation system on the basis of completing steps I, II, III, IV.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310421605.3A CN103485989A (en) | 2013-09-17 | 2013-09-17 | Comprehensive design method of solar thermal circulation power generation system |
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| CN201310421605.3A CN103485989A (en) | 2013-09-17 | 2013-09-17 | Comprehensive design method of solar thermal circulation power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10256636B2 (en) | 2015-04-16 | 2019-04-09 | Big Sun Energy Technology Inc. | Spraying heat preservation vapor supplying device and generator apparatus using such device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493930A (en) * | 2011-12-12 | 2012-06-13 | 赵学成 | Method and system which achieve solar energy condensation photo-thermal cycle power generation |
| CN102852742A (en) * | 2012-08-30 | 2013-01-02 | 中国科学院电工研究所 | Tower type solar thermal power generation system for heat absorber of vacuum heat absorption pipes |
| WO2013034587A1 (en) * | 2011-09-06 | 2013-03-14 | Basf Se | Pipeline system and method for emptying a pipeline system |
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2013
- 2013-09-17 CN CN201310421605.3A patent/CN103485989A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013034587A1 (en) * | 2011-09-06 | 2013-03-14 | Basf Se | Pipeline system and method for emptying a pipeline system |
| CN102493930A (en) * | 2011-12-12 | 2012-06-13 | 赵学成 | Method and system which achieve solar energy condensation photo-thermal cycle power generation |
| CN102852742A (en) * | 2012-08-30 | 2013-01-02 | 中国科学院电工研究所 | Tower type solar thermal power generation system for heat absorber of vacuum heat absorption pipes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10256636B2 (en) | 2015-04-16 | 2019-04-09 | Big Sun Energy Technology Inc. | Spraying heat preservation vapor supplying device and generator apparatus using such device |
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Application publication date: 20140101 |