CN210267767U - Tower light and heat energy storage equipment of fused salt - Google Patents
Tower light and heat energy storage equipment of fused salt Download PDFInfo
- Publication number
- CN210267767U CN210267767U CN201921236175.7U CN201921236175U CN210267767U CN 210267767 U CN210267767 U CN 210267767U CN 201921236175 U CN201921236175 U CN 201921236175U CN 210267767 U CN210267767 U CN 210267767U
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- fused salt
- cavity
- molten salt
- wall
- side cavity
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- 150000003839 salts Chemical class 0.000 title claims abstract description 158
- 238000004146 energy storage Methods 0.000 title claims abstract description 16
- 238000007667 floating Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 21
- 230000008859 change Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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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
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model discloses a fused salt tower type photo-thermal energy storage device, wherein a middle position of an inner cavity of a fused salt tank body is provided with a middle cylinder body, a first side cavity and a second side cavity are sequentially arranged on the periphery of the middle cylinder body from inside to outside, and the inner walls of the first side cavity and the second side cavity are respectively connected with a floating plate in a sliding and clamping manner along the vertical direction; during the use, the fused salt after the heating flows into in the middle barrel earlier, if the volume of fused salt is greater than the volume of middle barrel, then upwards jacking floating plate from the bottom opening part of first side cavity, the storage is in first side cavity, after filling with the fused salt in the first side cavity, the corresponding floating plate of fused salt from the bottom opening part of second side cavity upwards jacking, and progressively store in second side cavity, the volume that this internal fused salt cavity that holds of fused salt jar changes along with the volume change of fused salt, guarantee that the fused salt is in airtight cavity all the time, the exposed surface has been reduced, the heat dissipation has been reduced, thereby reach the effect of avoiding heat to run off.
Description
Technical Field
The utility model relates to an energy storage equipment technical field specifically is a tower light and heat energy storage equipment of fused salt.
Background
The fused salt tower type photo-thermal power generation is characterized in that a heliostat is used for keeping tracking the sun at all times to obtain maximum solar radiation, the heliostat reflects solar energy to a heat collection tower absorber, the heat collection tower fused salt heat absorber absorbs heat and then rises to 1000 degrees Fahrenheit, and heated fused salt flows into a hot-melt salt tank to be stored; during power generation, the molten salt in the molten salt tank exchanges heat with water to generate superheated steam to drive a steam turbine to generate power, and the steam with waste heat after power generation is cooled and then enters a water storage tank for next cycle use. The whole process of the fused salt tower type photo-thermal power generation achieves zero emission, meets the requirement of current clean energy, and has better development prospect. In a molten salt tower type photo-thermal power generation system, a molten salt tank is an energy storage device for storing heat, and the storage of the heat is realized by storing high-temperature liquid molten salt.
However, the molten salt energy storage device in the prior art has certain disadvantages in the actual use process, such as:
at present, the molten salt jar that tower light and heat power plant of fused salt generally adopted is a jar body mechanism of building by laying bricks or stones, and its top is provided with fused salt input channel, and its bottom is provided with fused salt output channel, and during the use, the fused salt that is heated passes through fused salt input channel and gets into a jar body inner chamber to arrange to heat transfer device department through fused salt output channel. But because the internal integral cavity structure that is of jar, full load operation can not be guaranteed in daily light thermal power plant for the internal chamber of jar can not be full of to the molten salt of circulation flow, and the exposed heat radiating area on molten salt surface is great, easily causes the heat to run off.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tower light and heat energy storage equipment of fused salt can hold the volume of fused salt according to the volume adjustment fused salt jar body inner chamber of fused salt for in the fused salt is in airtight cavity all the time, solved the fused salt surface because naked heat radiating area is big, and the heat that arouses runs off the problem.
In order to achieve the above object, the utility model provides a following technical scheme: a fused salt tower type photo-thermal energy storage device comprises a fused salt tank body, wherein a fused salt input channel is arranged at the top of the fused salt tank body, and the bottom of the molten salt tank body is provided with a molten salt output channel, the central position of the inner cavity of the molten salt tank body is provided with a middle cylinder body, the bottom end of the molten salt input channel is connected with the upper surface of the middle cylinder body, the inner cavity of the molten salt input channel is communicated with the inner cavity of the middle cylinder, the periphery of the middle cylinder is sequentially provided with a first side cavity and a second side cavity from inside to outside, the cross sections of the first side chamber and the second side chamber are concentric rings, the first side chamber and the second side chamber are respectively of a cavity structure with an opening at the bottom end, and the bottom openings of the first side chamber, the second side chamber and the middle cylinder are communicated with a bottom groove of a molten salt output channel connected with the molten salt tank body, the inner walls of the first side cavity and the second side cavity are respectively connected with a floating plate in a sliding and clamping mode along the vertical direction.
Preferably, the first baffle of fixedly connected with between the lateral wall of first side cavity, the quantity of first baffle is six, and first baffle is perpendicular respectively with the lateral wall and the roof of first side cavity, first baffle will first side cavity divides into six equal chambers of volume, and the lateral wall of first side cavity with it has first fan-shaped kickboard to slide the joint along vertical direction between the lateral wall of first baffle, fixedly connected with second baffle between the lateral wall of second side cavity, the quantity of second baffle is six, and the lateral wall and the roof of second side cavity are perpendicular respectively, the second baffle will second side cavity divides into six equal chambers of volume, and the lateral wall of second side cavity with it has the fan-shaped kickboard of second to slide the joint along vertical direction between the lateral wall of second baffle.
Preferably, an outer wall cavity with a circular ring-shaped cross section is arranged between the second side cavity and the side wall of the molten salt tank body, a through hole communicated with the top end of the outer wall cavity is radially formed in the top end of the second partition plate, and orifices are formed in the two side faces of the second partition plate corresponding to the through hole.
Preferably, the vertical distance between the through hole in the top end of the second partition plate and the top of the second side chamber is greater than the thickness of the second fan-shaped floating plate.
Preferably, the inner wall that the outer wall cavity is close to the bottom has the annular cock body along vertical direction slip joint, the cross-section of annular cock body is the frustum shape, and is the water-stop seal structure between the lateral wall of the top of annular cock body and outer wall cavity, be connected with the elastic component between the both sides wall body of annular cock body upper surface both ends edge and outer wall cavity, the ring shape recess has been seted up to the lower surface of annular cock body, and the through-hole that communicates with the ring shape recess has evenly been seted up to the both sides face of annular cock body.
Preferably, the bottom groove of the inner cavity of the molten salt tank body is in a spherical groove shape, the center of the bottom groove is communicated with the molten salt output channel, the bottom groove of the molten salt tank body is located on the peripheral surface of the top end of the molten salt output channel and is connected with a fan body in a rotating mode, and the fan body is located right above the input end of the molten salt output channel.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a molten salt jar body, the fused salt after the heating flows into middle barrel through fused salt input channel earlier, if the volume of fused salt is greater than the volume of middle barrel, then the fused salt upwards jacking floating plate from the bottom opening part of first side cavity, progressively store in first side cavity, after first side cavity is full of the fused salt, the floating plate that the bottom opening part of second side cavity upwards jacking corresponds will be followed to the fused salt, and progressively store in second side cavity, make the volume that holds the fused salt cavity in the molten salt jar body change along with the volume change of fused salt, guarantee that the fused salt is in airtight cavity all the time, the exposed surface has been reduced, the heat dissipation has been reduced, thereby reach the effect of avoiding heat loss.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the entire top end of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present invention;
fig. 5 is a schematic top view of the annular plug of the present invention.
In the figure: 1-molten salt tank body; 11-a molten salt input channel; 12-a molten salt output channel; 2-intermediate cylinder; 3-a first side chamber; 31-a first sector float plate; 32-a first separator; 4-a second side chamber; 41-a second sector floating plate; 42-a second separator; 5-an outer wall chamber; 51-an annular plug body; 6-sector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a technical scheme, a fused salt tower type photo-thermal energy storage device, comprising a fused salt tank body 1, a fused salt input channel 11 is arranged at the top of the fused salt tank body 1, a fused salt output channel 12 is arranged at the bottom of the fused salt tank body 1, a middle cylinder 2 is arranged at the middle position of the inner cavity of the fused salt tank body 1, the bottom end of the fused salt input channel 11 is connected with the upper surface of the middle cylinder 2, the inner cavity of the fused salt input channel 11 is communicated with the inner cavity of the middle cylinder 2, a first side cavity 3 and a second side cavity 4 are sequentially arranged at the periphery of the middle cylinder 2 from inside to outside, the cross sections of the first side cavity 3 and the second side cavity 4 are concentric rings, the first side cavity 3 and the second side cavity 4 are respectively of a cavity structure with an open bottom, and the bottom openings of the first side cavity 3, the second side cavity 4 and the middle cylinder 2 are communicated with the bottom groove of the fused salt tank body, the inner walls of the first side chamber 3 and the second side chamber 4 are respectively connected with a floating plate in a sliding and clamping manner along the vertical direction; during the use, the fused salt after the heating flows into in the middle barrel 2 through fused salt input channel 11 earlier, if the volume of fused salt is greater than the volume of middle barrel 2, then the fused salt upwards jacks up the floating plate from the bottom opening part of first side cavity 3, progressively store in first side cavity 3, after being full of the fused salt in first side cavity 3, the corresponding floating plate of the bottom opening part of second side cavity 4 of upwards jacking is again followed to the fused salt, and progressively store in second side cavity 4, make the volume that holds the fused salt cavity in the fused salt jar body 1 change along with the volume change of fused salt, guarantee that the fused salt is in airtight cavity all the time, the exposed surface has been reduced, the heat dissipation has been reduced, thereby reach the effect of avoiding heat loss.
The first partition plates 32 are fixedly connected between the side walls of the first side chamber 3, the number of the first partition plates 32 is six, the first partition plates 32 are perpendicular to the side walls and the top plate of the first side chamber 3 respectively, the first side chamber 3 is divided into six chambers with the same volume by the first partition plates 32, the first fan-shaped floating plates 31 are slidably clamped between the side walls of the first side chamber 3 and the side walls of the first partition plates 32 along the vertical direction, the second partition plates 42 are fixedly connected between the side walls of the second side chamber 4, the number of the second partition plates 42 is six, the second partition plates 42 are perpendicular to the side walls and the top plate of the second side chamber 4 respectively, the second side chamber 4 is divided into six chambers with the same volume by the second partition plates 42, the second fan-shaped floating plates 41 are slidably clamped between the side walls of the second side chamber 4 and the side walls of the second partition plates 42 along the vertical direction, and the first fan-shaped floating plates 31 and the second fan-shaped floating plates 41, and the dead weight of the fan-shaped kickboard 41 of second is greater than first fan-shaped kickboard 31, when the heavy fused salt of middle barrel 2 is not full, the pressure that the fused salt produced is not enough to jacking first fan-shaped kickboard 31 and the fan-shaped kickboard 41 of second, when full fused salt is filled in the middle barrel 2, the pressure that the fused salt produced can jacking first fan-shaped kickboard 31, but be not enough to jacking second fan-shaped kickboard 41, when full fused salt is filled in first side cavity 3, the pressure that the fused salt produced can jacking second fan-shaped kickboard 41.
An outer wall cavity 5 with a circular cross section is arranged between the second side cavity 4 and the side wall of the molten salt tank body 1, a through hole communicated with the top end of the outer wall cavity 5 is radially arranged inside the top end of the second partition plate 42, and two side faces of the second partition plate 42 are provided with orifices corresponding to the through hole; when being full of the fused salt in the second side cavity 4, the fused salt just can be followed the through-hole overflow to in the outer wall cavity 5, and the fused salt in the outer wall cavity 5 has strengthened the thermal insulation performance of 1 lateral wall of fused salt jar body, further prevents that inside fused salt heat from scattering and disappearing.
The vertical distance between the through hole in the top end of the second partition plate 42 and the top of the second side chamber 4 is greater than the thickness of the second floating sector plate 41.
An annular plug body 51 is slidably clamped on the inner wall of the outer wall cavity 5 close to the bottom end along the vertical direction, the section of the annular plug body 51 is in a frustum shape, a water sealing structure is arranged between the top end of the annular plug body 51 and the side wall of the outer wall cavity 5, elastic pieces 52 are connected between the edges of the two ends of the upper surface of the annular plug body 51 and the wall bodies on the two sides of the outer wall cavity 5, a circular groove is formed in the lower surface of the annular plug body 51, and through holes communicated with the circular groove are uniformly formed in the two side surfaces of the annular plug body 51; when the fused salt is discharged from the fused salt output channel 12, the fused salt in the outer wall chamber 5 presses the annular plug body 51 downwards, and the annular plug body 51 stretches the elastic piece 52 downwards, so that the outer wall chamber 5 is communicated with the bottom groove through the through hole in the annular plug body 51 to meet the condition that the fused salt flows out.
The bottom groove of the inner cavity of the molten salt tank body 1 is in a spherical groove shape, the center of the bottom groove is communicated with the molten salt output channel 12, the bottom groove of the molten salt tank body 1 is positioned on the surface of the periphery of the top end of the molten salt output channel 12 and is rotatably connected with a fan body 6, and the fan body 6 is positioned right above the input end of the molten salt output channel 12; when the fused salt is discharged from the fused salt output channel 12 for heat exchange and power generation, the fused salt can drive the fan body 6 to rotate, the fan body 6 plays roles of stirring and auxiliary output on the fused salt, and the fused salt is prevented from being precipitated and crystallized to a certain extent.
The working principle is as follows: when the molten salt generator is used, heated molten salt firstly flows into the middle cylinder body 2 through the molten salt input channel 11, if the volume of the molten salt is larger than the volume of the middle cylinder body 2, the molten salt upwards pushes the first fan-shaped floating plate 31 from the bottom opening of the first side chamber 3 to ascend, so that the molten salt is gradually stored in the first side chamber 3, after the first side chamber 3 is filled with the molten salt, the molten salt upwards pushes the second fan-shaped floating plate 41 from the bottom opening of the second side chamber 4 and is gradually stored in the second side chamber 4, when the second side chamber 4 is filled with the molten salt, the molten salt overflows into the outer wall chamber 5 from the through hole in the top end of the second partition plate 42, when the molten salt is discharged from the molten salt output channel 12 for heat exchange and power generation, the molten salt drives the fan body 6 to rotate, the fan body 6 plays a role in stirring and auxiliary output for the molten salt, and when the molten salt is continuously discharged from the output channel, molten salt in the outer wall chamber 5 is pressed downwards by the annular plug body 51, and the annular plug body 51 stretches the elastic piece 52 downwards, so that the outer wall chamber 5 is communicated with the bottom groove through a through hole in the annular plug body 51, and the molten salt in the outer wall chamber flows out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a tower light and heat energy storage equipment of fused salt, includes fused salt jar body (1), the top of fused salt jar body (1) is provided with fused salt input channel (11), and the bottom of fused salt jar body (1) is provided with fused salt output channel (12), its characterized in that: a middle cylinder body (2) is arranged in the middle of the inner cavity of the molten salt tank body (1), the bottom end of the molten salt input channel (11) is connected with the upper surface of the middle cylinder body (2), and the inner cavity of the fused salt input channel (11) is communicated with the inner cavity of the middle cylinder body (2), a first side chamber (3) and a second side chamber (4) are sequentially arranged on the periphery of the middle cylinder body (2) from inside to outside, the cross sections of the first side chamber (3) and the second side chamber (4) are concentric circular rings, the first side chamber (3) and the second side chamber (4) are respectively of a cavity structure with an opening at the bottom end, and the bottom openings of the first side chamber (3), the second side chamber (4) and the middle cylinder (2) are communicated with a bottom groove of the molten salt output channel (12) connected with the molten salt tank body (1), the inner walls of the first side chamber (3) and the second side chamber (4) are respectively connected with a floating plate in a sliding and clamping mode along the vertical direction.
2. The molten salt tower type photo-thermal energy storage device according to claim 1, characterized in that: fixedly connected with first baffle (32) between the lateral wall of first side cavity room (3), the quantity of first baffle (32) is six, and first baffle (32) is perpendicular respectively with the lateral wall and the roof of first side cavity room (3), first baffle (32) will first side cavity room (3) divide into six cavities that the volume is the same, and the lateral wall of first side cavity room (3) with along vertical direction slip joint have first fan-shaped kickboard (31) between the lateral wall of first baffle (32), fixedly connected with second baffle (42) between the lateral wall of second side cavity room (4), the quantity of second baffle (42) is six, and second baffle (42) is perpendicular respectively with lateral wall and the roof of second side cavity room (4), second baffle (42) will second side cavity room (4) divide into six cavities that the volume is the same, and a second fan-shaped floating plate (41) is clamped between the side wall of the second side chamber (4) and the side wall of the second partition plate (42) in a sliding mode along the vertical direction.
3. The molten salt tower type photo-thermal energy storage device according to claim 2, characterized in that: the molten salt tank is characterized in that an outer wall cavity (5) with a circular ring-shaped cross section is arranged between the second side cavity (4) and the side wall of the molten salt tank body (1), a through hole communicated with the top end of the outer wall cavity (5) is radially formed in the top end of the second partition plate (42), and orifices are formed in the two side faces of the second partition plate (42) corresponding to the through hole.
4. The molten salt tower type photo-thermal energy storage device according to claim 3, characterized in that: the vertical distance between the through hole in the top end of the second partition plate (42) and the top of the second side chamber (4) is larger than the thickness of the second sector floating plate 41.
5. The molten salt tower type photo-thermal energy storage device according to claim 4, characterized in that: the inner wall that outer wall cavity (5) are close to the bottom has annular cock body (51) along vertical direction slip joint, the cross-section of annular cock body (51) is the frustum shape, and is the water-stop seal structure between the top of annular cock body (51) and the lateral wall of outer wall cavity (5), be connected with elastic component (52) between annular cock body (51) upper surface both ends edge and the both sides wall body of outer wall cavity (5), annular groove has been seted up to the lower surface of annular cock body (51), and the through-hole that communicates with annular groove has evenly been seted up to the both sides face of annular cock body (51).
6. The molten salt tower type photo-thermal energy storage device according to claim 1, characterized in that: the molten salt tank comprises a molten salt tank body (1), wherein a bottom groove of an inner cavity of the molten salt tank body (1) is in a spherical groove shape, the center of the bottom groove is communicated with a molten salt output channel (12), the bottom groove of the molten salt tank body (1) is located on the surface of the periphery of the top end of the molten salt output channel (12) and is connected with a fan body (6) in a rotating mode, and the fan body (6) is located right above the input end of the molten salt output channel (12).
Priority Applications (1)
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CN201921236175.7U CN210267767U (en) | 2019-08-01 | 2019-08-01 | Tower light and heat energy storage equipment of fused salt |
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CN201921236175.7U CN210267767U (en) | 2019-08-01 | 2019-08-01 | Tower light and heat energy storage equipment of fused salt |
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CN201921236175.7U Expired - Fee Related CN210267767U (en) | 2019-08-01 | 2019-08-01 | Tower light and heat energy storage equipment of fused salt |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114000665A (en) * | 2021-11-12 | 2022-02-01 | 王兰芳 | Building roof energy storage structure system |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114000665A (en) * | 2021-11-12 | 2022-02-01 | 王兰芳 | Building roof energy storage structure system |
CN114000665B (en) * | 2021-11-12 | 2023-01-31 | 王兰芳 | Building roof energy storage structure system |
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