CN110513893A - Tower type photo-thermal power station solid heat absorber - Google Patents
Tower type photo-thermal power station solid heat absorber Download PDFInfo
- Publication number
- CN110513893A CN110513893A CN201910810324.4A CN201910810324A CN110513893A CN 110513893 A CN110513893 A CN 110513893A CN 201910810324 A CN201910810324 A CN 201910810324A CN 110513893 A CN110513893 A CN 110513893A
- Authority
- CN
- China
- Prior art keywords
- heat
- area
- solid
- heat absorption
- load receiving
- Prior art date
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/50—Rollable or foldable solar heat collector modules
- F24S20/55—Rollable or foldable solar heat collector modules made of flexible materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
-
- 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
Abstract
The invention provides a solid heat absorber of a tower type photo-thermal power station, which consists of a heat absorbing screen and a driving device. The heat absorption screen moves from top to bottom to absorb solar energy to heat under the action of the driving device, moves to the bottom heat exchange area to exchange heat with the heat storage medium, and continues to be transmitted to the heat absorption area through the low-temperature transmission area after heat exchange is finished, and the circulation is repeated to realize the heat absorption and heat storage processes. The solid heat absorber has the advantages of uniform surface temperature distribution, small stress, low power consumption, realization of higher outlet temperature of the heat absorber and good economic benefit.
Description
Technical field
The invention belongs to solar energy generation technology fields, and in particular to a kind of tower photo-thermal power station solid heat sinks.
Background technique
Heat dump is one of the important equipment of tower photo-thermal power station, and in tower-type solar thermal power generating system, solar energy is connect
Receiving device is the core technology for realizing tower type solar energy thermal power generation, and the solar energy that heliostat is captured, reflected, focused by it directly turns
The high temperature heat that can efficiently utilize is turned to, required heat source or power source are provided for generating set, to realize solar heat
The process of power generation.Currently used heat dump has fused salt heat dump, water/steam heat dump etc., is by fluid to spreading
The process of heat absorption heat and heat accumulation, for the flowing for maintaining fluid, fluid needs internal pressure, it is therefore desirable to which heat sink material exists
Under conditions of having internal pressure and high temperature while acting on, intensity still with higher is high to heat sink material requirement, and cost is opposite
It is higher.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of tower photo-thermal power station solid heat sinks, the solid heat sinks
Including heat absorption screen and driving device, the heat absorption screen includes that heat absorption area, high temperature transmission area, heat transfer zone and low temperature transmit area, described
Heat absorption area, high temperature transmission area, heat transfer zone and low temperature transmission area are sequentially connected, and low temperature transmission area is also connect with heat absorption area, institute
It states heat absorption area, high temperature transmission area, heat transfer zone and low temperature transmission area and iterative motion is formed by driving device；
Further, the heat absorption area for absorbing solar radiation during the motion；
The high temperature transmission area carries out movement transmission for the heat that area absorbs that will absorb heat, and stops absorbing heat；
The heat transfer zone with heat-storage medium for exchanging heat；
After the completion of the low temperature transmission area is for exchanging heat, heat absorption area is pushed to by driving device, moves in circles, completes heat absorption
And heat accumulation；
Further, the driving device includes driving pulley group and follow-up pulley group, and the driving pulley group is located at solid
Area part is transmitted close to low temperature in body heat dump top, and the follow-up pulley group is located at solid heat sinks lower part, transmits close to high temperature
Area part, the heat absorption screen is under the promotion of driving device, in vertical direction iterative motion；
Further, the heat absorption area and heat transfer zone are separately positioned on driving pulley group and follow-up pulley group institute Formation cross-section
Two sides；
Further, the heat absorption screen is closely arranged by more kernmantles forms；
Further, the kernmantle is formed or the compound twisting of multi-layer by single material twisting；
Further, the kernmantle of the compound twisting includes endothermic section and load receiving part, the endothermic section and load receiving part
Relationship is cladding relationship or coordination, and the endothermic section is for the heat accumulation that absorbs heat, the load receiving part Inhaul operation process kernmantle
Suffered external force and self gravity, the load receiving part be high-strength material；
Further, the cladding relationship is specially that endothermic section is coated on outside load receiving part；
The coordination is specially endothermic section and load receiving part arranged in parallel, and the endothermic section is described close to heat source side
Load receiving part is close to driving device side；
Further, the kernmantle material is metal or nonmetallic, and metal includes nickel-base alloy and high-temperature alloy, non-
Metal includes ceramic fibre, and heat-storage medium is fused salt or water；
Beneficial effects of the present invention are as follows:
1, the present invention uses solid material directly to replace reducing the fused salt corrosion shape under high temperature as heat-absorbing medium by fused salt
Condition, while also saving and heat-absorbing medium is maintained to flow required power source in absorbing pipe, driving device only needs to overcome volume
The frictional force of rope is knitted, power consumption is reduced.
2, it is moved from top to bottom when Solid endothermic screen of the invention operation, it is not in office that heat absorption screen surfaces, which are heated evenly,
The higher region of portion's temperature.
3, Solid endothermic screen of the invention is no longer directly pressure part by the solid material of solar radiation, improves material
High temperature stress situation, therefore, the temperature of heat-absorbing medium can be higher, up to 600~800 DEG C or higher.
Detailed description of the invention
Fig. 1 is tower photo-thermal power station solid heat sinks schematic diagram of the invention；
Fig. 2 is tower 1 schematic diagram of photo-thermal power station solid heat sinks embodiment of the invention；
Fig. 3 is tower 3 schematic diagram of photo-thermal power station solid heat sinks embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.On the contrary, the present invention cover it is any be defined by the claims do on the essence and scope of the present invention
Substitution, modification, equivalent method and scheme.Further, in order to make the public have a better understanding the present invention, below to this
It is detailed to describe some specific detail sections in the datail description of invention.It is thin without these for a person skilled in the art
The present invention can also be understood completely in the description of section part.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as a limitation of the invention.
Most preferred embodiment is enumerated below for of the invention:
As shown in Figure 1-Figure 3, high the present invention is based on existing heat dump surface pressure part heat absorption tube outer surface part is improved
Temperature and the operating condition for managing interior dielectric corrosion, provide a kind of tower photo-thermal power station solid heat sinks, and the solid heat sinks will be inhaled
Thermal medium is changed to solid by fused salt and directly absorbs heat, and then the solid of heat absorption exchanges heat with heat-storage medium, finally will be hot
Amount is stored in heat-storage medium.
Embodiment one
As shown in Figure 1, solid heat sinks of the invention are made of heat absorption screen 1 and driving device 2, heat absorption screen is woven by more
Closely arrangement forms rope 11, and driving device mainly includes driving pulley group 21 and follow-up pulley group 22, and driving pulley group 21 is located at
Above heat dump, follow-up pulley group 22 is located at below heat dump.Heat absorption screen is divided into 4 regions, and 12 pass for heat absorption area, 13 for high temperature
Area is sent, 14 be heat transfer zone, and 15 transmit area for low temperature.When operation, heat absorption screen 1 is from top to bottom transported under the promotion of driving device 2
Dynamic, in motion process, heat absorption area 12 absorbs solar radiation, and temperature increases after heat absorption screen kernmantle 11 absorbs heat, and moving to 13 is
It after high temperature transmits area, no longer absorbs heat, continues to be transported to heat transfer zone 14, exchange heat in this region with heat-storage medium, heat exchange is completed
Afterwards, continue to be pushed to heat absorption area 12 by driving device 2 through low temperature transmission area 15, so recycle, realize heat absorption and heat accumulation process.
Kernmantle 11 can be formed by single material twisting, can also be by the compound twisting of multi-layer.The volume of the compound twisting
Knitting rope includes endothermic section and load receiving part, and the relationship of the endothermic section and load receiving part is cladding relationship or coordination, the load-bearing
Portion is high-strength material.The cladding relationship is specially that endothermic section is coated on outside load receiving part.The coordination is endothermic section
With load receiving part arranged in parallel, the endothermic section is close to heat source side, and the load receiving part is close to driving device side.Kernmantle material
It can be metal or nonmetallic, such as nickel-base alloy, high-temperature alloy, ceramic fibre, heat-storage medium is fused salt, water etc..
Embodiment 2
As shown in Fig. 2, the present embodiment and above-described embodiment 1 are essentially identical, only difference is that, heat transferring medium is
Water.
Embodiment 3
As shown in figure 3, the present embodiment and above-described embodiment 1 are essentially identical, only difference is that, heat exchange area is placed in
On ground, high temperature transmits area 13 and extends to ground from heat absorption tower, and transmitting range is farther out.
Embodiment described above, only one kind of the present invention more preferably specific embodiment, those skilled in the art
The usual variations and alternatives that member carries out within the scope of technical solution of the present invention should be all included within the scope of the present invention.
Claims (9)
1. a kind of tower photo-thermal power station solid heat sinks, which is characterized in that the solid heat sinks include heat absorption screen and driving dress
It sets, the heat absorption screen is endless track, is fixed position with driving device, heat absorption area, height are successively arranged on the endless track
Temperature transmission area, heat transfer zone and low temperature transmit area, and the heat absorption area, high temperature transmission area, heat transfer zone and low temperature transmission area are sequentially connected,
Low temperature transmission area is also connect with heat absorption area, and the heat absorption area, high temperature transmission area, heat transfer zone and low temperature transmission area pass through driving
Device forms iterative motion.
2. solid heat sinks according to claim 1, which is characterized in that the heat absorption area for absorbing during the motion
Solar radiation；
The high temperature transmission area carries out movement transmission for the heat that area absorbs that will absorb heat, and stops absorbing heat；
The heat transfer zone with heat-storage medium for exchanging heat；
After the completion of the low temperature transmission area is for exchanging heat, heat absorption area is pushed to by driving device, moves in circles, completes heat absorption and storage
Heat.
3. solid heat sinks according to claim 2, which is characterized in that the driving device include driving pulley group and from
Running block, the driving pulley group are located at solid heat sinks top, transmit area part, follow-up pulley group position close to low temperature
In solid heat sinks lower part, area part is transmitted close to high temperature, the heat absorption screen follows under the promotion of driving device in vertical direction
Ring moves back and forth.
4. solid heat sinks according to claim 2, which is characterized in that the heat absorption area and heat transfer zone are separately positioned on master
The two sides of running block and follow-up pulley group institute Formation cross-section.
5. solid heat sinks according to claim 2, which is characterized in that the heat absorption screen is closely arranged by more kernmantles
Composition.
6. solid heat sinks according to claim 5, which is characterized in that the kernmantle formed by single material twisting or
The compound twisting of multi-layer.
7. solid heat sinks according to claim 6, which is characterized in that the kernmantle of the compound twisting includes endothermic section
And load receiving part, the relationship of the endothermic section and load receiving part are cladding relationship or coordination, the endothermic section for the heat accumulation that absorbs heat,
The suffered external force and self gravity of the load receiving part Inhaul operation process kernmantle, the load receiving part are high-strength material.
8. solid heat sinks according to claim 7, which is characterized in that the cladding relationship specifically: endothermic section cladding
Outside load receiving part；
The coordination specifically: endothermic section and load receiving part arranged in parallel, endothermic section is close to heat source side, and load receiving part is close to drive
Dynamic device side.
9. solid heat sinks according to claim 5, which is characterized in that the kernmantle material is metal or nonmetallic,
Metal includes nickel-base alloy and high-temperature alloy, and nonmetallic includes ceramic fibre, and heat-storage medium is fused salt or water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810324.4A CN110513893B (en) | 2019-08-29 | 2019-08-29 | Tower type photo-thermal power station solid heat absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810324.4A CN110513893B (en) | 2019-08-29 | 2019-08-29 | Tower type photo-thermal power station solid heat absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110513893A true CN110513893A (en) | 2019-11-29 |
| CN110513893B CN110513893B (en) | 2021-04-09 |
Family
ID=68629165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910810324.4A Active CN110513893B (en) | 2019-08-29 | 2019-08-29 | Tower type photo-thermal power station solid heat absorber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010957A (en) * | 2021-11-30 | 2022-02-08 | 固安翌光科技有限公司 | Heat recovery system for phototherapy equipment and control method |
Citations (5)
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| WO1993016264A1 (en) * | 1990-10-02 | 1993-08-19 | Daniel Seyve | Mobile screen device for insulation, lighting, decoration, solar energy collection purposes |
| CN201525876U (en) * | 2009-05-26 | 2010-07-14 | 吴江市宇欣电器有限公司 | Tower type solar energy titanium sponge smelting system |
| CN201527118U (en) * | 2009-05-26 | 2010-07-14 | 吴江市宇欣电器有限公司 | Hot smelting system |
| CN104654609A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Solid particle block tower type solar heating heat transfer system |
| CN105318577A (en) * | 2015-02-07 | 2016-02-10 | 成都奥能普科技有限公司 | Solid particle block tower-type solar fluidization driven heat-exchange and heat-transmission system |
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2019
- 2019-08-29 CN CN201910810324.4A patent/CN110513893B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| WO1993016264A1 (en) * | 1990-10-02 | 1993-08-19 | Daniel Seyve | Mobile screen device for insulation, lighting, decoration, solar energy collection purposes |
| CN201525876U (en) * | 2009-05-26 | 2010-07-14 | 吴江市宇欣电器有限公司 | Tower type solar energy titanium sponge smelting system |
| CN201527118U (en) * | 2009-05-26 | 2010-07-14 | 吴江市宇欣电器有限公司 | Hot smelting system |
| CN104654609A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Solid particle block tower type solar heating heat transfer system |
| CN105318577A (en) * | 2015-02-07 | 2016-02-10 | 成都奥能普科技有限公司 | Solid particle block tower-type solar fluidization driven heat-exchange and heat-transmission system |
Non-Patent Citations (2)
| Title |
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| 吴建锋等: "塔式太阳能热发电吸热体材料研究进展", 《材料导报》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010957A (en) * | 2021-11-30 | 2022-02-08 | 固安翌光科技有限公司 | Heat recovery system for phototherapy equipment and control method |
| CN114010957B (en) * | 2021-11-30 | 2023-11-03 | 固安翌光科技有限公司 | Heat recovery system for phototherapy apparatus and control method |
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| Publication number | Publication date |
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| CN110513893B (en) | 2021-04-09 |
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Address after: Room 208, building 3, No.2 Yushun Road, Daxing District, Beijing 102602 Applicant after: Shouhang high tech energy technology Co., Ltd Address before: 100070, Beijing Fengtai District headquarters base three District 20 Applicant before: SHOUHANG RESOURCES SAVING |
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Address after: 730311 no.2888, North Qilianshan Avenue, Lanzhou New District, Lanzhou City, Gansu Province (room 317, zone B, comprehensive service building, comprehensive free trade zone) Applicant after: Shouhang high tech energy technology Co.,Ltd. Address before: Room 208, building 3, No.2 Yushun Road, Daxing District, Beijing Applicant before: Shouhang high tech energy technology Co.,Ltd. |
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Address after: 735000 room 307, No. 23, West Street, northwest street, Suzhou District, Jiuquan City, Gansu Province Patentee after: Shouhang high tech energy technology Co.,Ltd. Address before: 730311 no.2888, North Qilianshan Avenue, Lanzhou New District, Lanzhou City, Gansu Province (room 317, zone B, comprehensive service building, comprehensive free trade zone) Patentee before: Shouhang high tech energy technology Co.,Ltd. |
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