CN104196688A - Molten salt electricity generation system with energy storage function - Google Patents
Molten salt electricity generation system with energy storage function Download PDFInfo
- Publication number
- CN104196688A CN104196688A CN201410419188.3A CN201410419188A CN104196688A CN 104196688 A CN104196688 A CN 104196688A CN 201410419188 A CN201410419188 A CN 201410419188A CN 104196688 A CN104196688 A CN 104196688A
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- China
- Prior art keywords
- salt
- generation system
- fused salt
- water container
- energy storage
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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.)
- Pending
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- 150000003839 salts Chemical class 0.000 title claims abstract description 152
- 230000005611 electricity Effects 0.000 title claims abstract description 60
- 238000004146 energy storage Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 18
- 238000010248 power generation Methods 0.000 claims description 23
- 230000008016 vaporization Effects 0.000 claims description 10
- 238000009834 vaporization Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 4
- 238000010257 thawing Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 abstract description 6
- 238000002844 melting Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention relates to the field of solar electricity generation, in particular to a molten salt electricity generation system with an energy storage function. The molten salt electricity generation system with the energy storage function comprises a salt melting device for melting solid salt into liquid salt through solar energy, the salt melting device is communicated with a water container through a conveying pipe, and the water container is connected with an electricity generation device through a conveying pipe; the salt melting device can convey molten liquid salt into the water container through the conveying pipe to evaporate water in the water container, and the water steam obtained through evaporation can flow to the electricity generation device through the conveying pipe and then drive the electricity generation device to generate electricity. The salt melting device is connected with a salt storage device through the conveying pipe, and the salt storage device is communicated with the water container through a conveying pipeline. When electricity is sufficient, the molten salt electricity generation system can charge molten salt into the salt storage device and generate electricity when no sunlight illumination exists, so that the solar energy utilization rate is improved. The molten salt electricity generation system can generate electricity continuously all day long, thereby improving the electricity generation amount.
Description
Technical field
The present invention relates to field of solar thermal power generation, relate in particular to a kind of fused salt power generation system with energy storage function.
Background technique
The Reserve Problems of the energy is storage and the utilization of a significant problem, particularly new energy of current energy development.But at solar molten salt power field, the fused salt power generating equipment having in prior art does not also possess the function that the energy is temporarily stored.
The solar molten salt applied principle of this technology of generating electricity is: in the time that salt becomes liquid from solid, can absorb a part of heat, in the time again liquid salt being put into water container, liquid crystalization can release energy, thereby water in water container is heated and becomes water vapour, water vapour can be gone out and be driven the steamer running in generator from water container, generates electricity.
But, fused salt power generating equipment of the prior art is that solid salt is melted as after liquid salt mostly, liquid salt is directly passed in pond, a large amount of heat energy that liquid salt discharges when crystallization is solid shape in pond make the steam in pond turn to water vapour, and water vapour can pass in power generating equipment and drive steam turbine to generate electricity.Fused salt power generating equipment in the prior art does not all arrange and stores the device of liquid salt, if by day in the situation of solar energy abundance, excessive heat energy can not be stored by liquid salt, waits until and when do not have solar energy evening, takes out utilization again.So fused salt power generating equipment of the prior art is merely able to generate electricity by day, and evening or while thering is no the rainy weather of the sun, just can not generate electricity, fused salt power generating equipment of the prior art can not solve the problem of the storage of idle energy and the release of busy energy, can not whole day uninterruptedly generate electricity for 24 hours, generated energy is limited, can not reasonably utilize solar energy.
For above problem, need badly and want a kind of new fused salt power generation system with energy storage function, do not there is fused salt function to solve the power generation system existing in prior art, cause energy dissipation, and can not whole day within 24 hours, carry out uninterrupted problem of generating electricity.
Summary of the invention
The object of the present invention is to provide a kind of fused salt power generation system with energy storage function, this system has improved solar energy utilization ratio, and uses this system whole day uninterruptedly to generate electricity for 24 hours, has improved generated energy.
For reaching this object, the present invention by the following technical solutions:
Have a fused salt power generation system for energy storage function, comprise and can utilize solar energy that solid salt is melted to the fused salt device for liquid salt, described fused salt device is communicated with water container by conveyance conduit, and described water container is connected with electricity generating device by conveyance conduit;
Described fused salt device can be transported to the liquid salt of thawing in described water container by conveyance conduit, makes the water vapor in water container, and the water vapour of vaporization can be flowed to described electricity generating device and then be driven described electricity generating device generating by conveyance conduit;
Described fused salt device is also connected with storage salt device by conveyance conduit, and described storage salt device is communicated with described water container by conveyance conduit.
As preferably, the fused salt power generation system with energy storage function also comprises control gear, and described control gear is connected with described fused salt device, water container, electricity generating device and storage salt device respectively.
As preferably, described storage salt device is sealing thermal insulation bottle.
As preferably, described fused salt device comprises for the solar cooker of focusing sunlight and for holding the salt container of salt, and described solar cooker can focusing sunlight, and by the heat energy in sunlight, the solid salt in salt container is melted as liquid salt.
As preferably, described salt container is cylindrical-shaped structure, its one end sealing, one end be communicated with the connection of water container (2) conveyance conduit.
As preferably, described electricity generating device is steam turbine generator, and the water vapour of vaporization can drive the steam turbine of described steam turbine generator to rotate and generate electricity.
As preferably, described control gear is connected with the power output end of described electricity generating device, and described electricity generating device can be described control gear power supply is provided.
As preferably, the salt container diameter of described cylindrical-shaped structure equals the diameter of the conveyance conduit being communicated with it.
Beneficial effect of the present invention is:
(1) because solid salt in the situation of sunshine condition abundance by day can constantly melt, so in the time that electric weight is abundant, this system can be filled with the salt of fusing in storage salt device, when solar light irradiation not had, pass in water container, make the water vapor in water container, the water vapour of vaporization can be flowed to described electricity generating device and then be driven described electricity generating device generating by conveyance conduit, improve solar energy utilization ratio, and use this system whole day uninterruptedly to generate electricity for 24 hours, improved generated energy.
(2) because salt container is cylindrical-shaped structure, the salt container diameter of cylindrical-shaped structure is less, approximate the diameter of the conveyance conduit being communicated with it, so can reduce the thickness of salt container inner salt, the hot area that increases solid salt, can fully and fast melt the solid salt in salt container.
Brief description of the drawings
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing of required use during the embodiment of the present invention is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to the content of the embodiment of the present invention and these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the fused salt power generation system that provides of apparatus of the present invention embodiment;
Fig. 2 is the structural representation of a kind of optimal way of the fused salt power generation system that provides of apparatus of the present invention embodiment.
Wherein:
1, fused salt device; 2, water container; 3, electricity generating device; 4, storage salt device; 5, control gear.
Embodiment
For the technological scheme of technical problem that the present invention is solved, employing and the technique effect that reaches clearer, below in conjunction with accompanying drawing, the technological scheme of the embodiment of the present invention is described in further detail, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the structural representation of the fused salt power generation system that provides of apparatus of the present invention embodiment.As shown in Figure 1, the fused salt power generation system with energy storage function provided by the invention, comprise fused salt device 1, it is liquid salt that described fused salt device 1 can utilize solar energy that solid salt is melted, described fused salt device 1 is communicated with water container 2 by conveyance conduit, and described water container 2 is connected with electricity generating device 3 by conveyance conduit.
Described fused salt device 1 can melt the salt of solid shape for liquid salt, when salt becomes when liquid and can absorb a part of heat and store from solid shape, the liquid salt melting is transported in described water container 2 by conveyance conduit, in the time more liquid salt being put into water container 2, liquid salt crystallization can discharge a large amount of energy, the heat energy discharging can make the hot water vaporization that is subject in water container 2 become water vapour, the water vapour of vaporization can flow to described electricity generating device 3 by conveyance conduit from water container 2, drives electricity generating device 3 to generate electricity.In the present embodiment, described electricity generating device 3 is steam turbine generator, and the water vapour of vaporization, by driving the steamer running in electricity generating device 3, generates electricity.
Described fused salt device 1 is also connected with storage salt device 4 by conveyance conduit, and described storage salt device 4 is communicated with described water container 2 by conveyance conduit.
If by day in the situation of solar energy abundance, sufficient solar energy can make more solid salt melt as liquid salt, excessive heat energy can be stored by liquid salt, liquid salt is inputted in storage salt device 4 and is stored by conveyance conduit, wait until evening or overcast and rainyly do not shine upon, when fused salt device 1 can not focusing sunlight, take out utilization, the liquid salt that is about to store in storage salt device 4 is sent in described water container 2 by conveyance conduit, a large amount of heat energy that liquid salt crystallization discharges make the hot water vaporization that is subject in water container 2 become water vapour, the water vapour of vaporization can flow to described electricity generating device 3 by conveyance conduit from water container 2, drive electricity generating device 3 to generate electricity.
So having solved fused salt power generating equipment of the prior art, the fused salt power generation system that the application provides is merely able to generate electricity by day, and evening or the problem that just can not generate electricity while thering is no the rainy weather of the sun, the storage of idle energy and the release of busy energy are realized, improve solar energy utilization ratio, and use this system whole day uninterruptedly to generate electricity for 24 hours, can reasonably utilize solar energy, in the situation that equipment scale size is identical, improve generated energy.
In the present embodiment, as preferred version, described fused salt device 1 comprises solar cooker and salt container, described solar cooker is for focusing sunlight, described salt container is used for holding salt, described solar cooker can focusing sunlight, and by the heat energy in sunlight, the solid salt in salt container is melted as liquid salt.Certainly, the structure of described fused salt device 1 is not limited to this, can also be other composition structure.
Fig. 2 is the structural representation of a kind of optimal way of the fused salt power generation system that provides of apparatus of the present invention embodiment.As shown in Figure 2, the described fused salt power generation system with energy storage function also comprises control gear 5, described control gear 5 is connected with described fused salt device 1, water container 2, electricity generating device 3 and storage salt device 4 respectively, for controlling described fused salt device 1, water container 2, electricity generating device 3 and storage salt device 4.
In the present embodiment, the power interface of described control gear 5 is connected with the power output end of described electricity generating device 3, and described electricity generating device 3 can be described control gear 5 working power is provided.Certainly, also can power supply be provided to control gear 5 by electricity generating device 3, and provide power supply by extraneous power supply unit to control gear 5.
In the present embodiment, as preferred version, described storage salt device 4 is sealing thermal insulation bottle.Sealing thermal insulation bottle can reduce the temperature diffusion of the liquid salt in it, makes the temperature of the liquid salt in it keep little variation.
In the present embodiment, as preferred version, described salt container is cylindrical-shaped structure, the sealing of its one end, one end be communicated with water container 2 conveyance conduits connections.The salt container diameter of cylindrical-shaped structure is less, approximates the diameter of the conveyance conduit being communicated with it, so can reduce the thickness of salt container inner salt, increases the hot area of solid salt, and the solid salt in salt container can fully and fast be melted.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjust and substitute and can not depart from protection scope of the present invention.Therefore, although the present invention is described in further detail by above embodiment, the present invention is not limited only to above embodiment, in the situation that not departing from the present invention's design, can also comprise more other equivalent embodiments, and scope of the present invention is determined by appended claim scope.
Claims (8)
1. one kind has the fused salt power generation system of energy storage function, it is characterized in that, comprise and can utilize solar energy that solid salt is melted to the fused salt device (1) for liquid salt, described fused salt device (1) is communicated with water container (2) by conveyance conduit, and described water container (2) is connected with electricity generating device (3) by conveyance conduit;
Described fused salt device (1) can be transported to the liquid salt of thawing in described water container (2) by conveyance conduit, make the water vapor in water container (2), the water vapour of vaporization can be flowed to described electricity generating device (3) and then be driven described electricity generating device (3) generating by conveyance conduit;
Described fused salt device (1) is also connected with storage salt device (4) by conveyance conduit, and described storage salt device (4) is communicated with described water container (2) by conveyance conduit.
2. the fused salt power generation system with energy storage function according to claim 1, it is characterized in that, also comprise control gear (5), described control gear (5) is connected with described fused salt device (1), water container (2), electricity generating device (3) and storage salt device (4) respectively.
3. the fused salt power generation system with energy storage function according to claim 1, is characterized in that, described storage salt device (4) is sealing thermal insulation bottle.
4. the fused salt power generation system with energy storage function according to claim 1, it is characterized in that, described fused salt device (1) comprises for the solar cooker of focusing sunlight and for holding the salt container of salt, described solar cooker can focusing sunlight, and by the heat energy in sunlight, the solid salt in salt container is melted as liquid salt.
5. the fused salt power generation system with energy storage function according to claim 4, is characterized in that, described salt container is cylindrical-shaped structure, its one end sealing, and one end is communicated with the conveyance conduit that is communicated with water container (2).
6. the fused salt power generation system with energy storage function according to claim 1, is characterized in that, described electricity generating device (3) is steam turbine generator, and the water vapour of vaporization can drive the steam turbine of described steam turbine generator to rotate and generate electricity.
7. the fused salt power generation system with energy storage function according to claim 2, it is characterized in that, described control gear (5) is connected with the power output end of described electricity generating device (3), and described electricity generating device (3) can be described control gear (5) power supply is provided.
8. the fused salt power generation system with energy storage function according to claim 5, is characterized in that, the salt container diameter of described cylindrical-shaped structure equals the diameter of the conveyance conduit being communicated with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419188.3A CN104196688A (en) | 2014-08-22 | 2014-08-22 | Molten salt electricity generation system with energy storage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419188.3A CN104196688A (en) | 2014-08-22 | 2014-08-22 | Molten salt electricity generation system with energy storage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104196688A true CN104196688A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410419188.3A Pending CN104196688A (en) | 2014-08-22 | 2014-08-22 | Molten salt electricity generation system with energy storage function |
Country Status (1)
| Country | Link |
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| CN (1) | CN104196688A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242523A (en) * | 2019-06-17 | 2019-09-17 | 宋凤玲 | A kind of fused salt electricity generation system with energy storage function |
| WO2025161335A1 (en) * | 2024-02-01 | 2025-08-07 | 西安西热节能技术有限公司 | Fluidized bed direct salt dissolution system utilizing solar energy, and working method thereof |
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|---|---|---|---|---|
| CN102200102A (en) * | 2010-03-23 | 2011-09-28 | 励行根 | All-weather solar heat power generation system with peak regulation function |
| WO2013018014A2 (en) * | 2011-08-02 | 2013-02-07 | Brightsource Industries (Israel) Ltd. | Solar energy thermal storage systems, devices, and methods |
| CN203035471U (en) * | 2012-11-29 | 2013-07-03 | 徐光荣 | Solar steam power generation system |
| CN103321861A (en) * | 2013-07-04 | 2013-09-25 | 北京工业大学 | Dish solar power-heat cogeneration system based on singe-screw expander and molten salt |
| CN204003296U (en) * | 2014-08-22 | 2014-12-10 | 张从尧 | A kind of fused salt power generation system with energy storage function |
-
2014
- 2014-08-22 CN CN201410419188.3A patent/CN104196688A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200102A (en) * | 2010-03-23 | 2011-09-28 | 励行根 | All-weather solar heat power generation system with peak regulation function |
| WO2013018014A2 (en) * | 2011-08-02 | 2013-02-07 | Brightsource Industries (Israel) Ltd. | Solar energy thermal storage systems, devices, and methods |
| CN203035471U (en) * | 2012-11-29 | 2013-07-03 | 徐光荣 | Solar steam power generation system |
| CN103321861A (en) * | 2013-07-04 | 2013-09-25 | 北京工业大学 | Dish solar power-heat cogeneration system based on singe-screw expander and molten salt |
| CN204003296U (en) * | 2014-08-22 | 2014-12-10 | 张从尧 | A kind of fused salt power generation system with energy storage function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242523A (en) * | 2019-06-17 | 2019-09-17 | 宋凤玲 | A kind of fused salt electricity generation system with energy storage function |
| WO2025161335A1 (en) * | 2024-02-01 | 2025-08-07 | 西安西热节能技术有限公司 | Fluidized bed direct salt dissolution system utilizing solar energy, and working method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |