CN106225261B - A kind of solar power tower receiver architecture and method of reseptance - Google Patents
A kind of solar power tower receiver architecture and method of reseptance Download PDFInfo
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- CN106225261B CN106225261B CN201610673060.9A CN201610673060A CN106225261B CN 106225261 B CN106225261 B CN 106225261B CN 201610673060 A CN201610673060 A CN 201610673060A CN 106225261 B CN106225261 B CN 106225261B
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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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Abstract
The present invention relates to a kind of solar power tower receiver architecture and method of reseptances.The mirror scene product of solar power tower is huge, and heliostat is numerous, and the energy density on receiver is very high, and the situation that overheat is burnt and stress is excessive is susceptible to when heat cannot be taken away in time than maximum region focusing on.The present invention includes confluence tank and several thermal-collecting tubes, and the both ends of thermal-collecting tube are both connected on confluence tank, and thermal-collecting tube surrounds cylinder-like structure, are focused on the thermal-collecting tube of cylinder-like structure there are one high than region, feature is：It is focused on positioned at high than the thermal-collecting tube in region as in the indent thermal-collecting tube of concave shaped structure.The present invention makes larger structural adjustment to the highest region of focusing ratio, expands the endotherm area in this region, has disperseed radiation energy, reduces the focusing ratio on pipeline；The radiation energy for leaking into receiver opposite side simultaneously so that the Temperature Distribution of entire receiver is more reasonable, reduces due to the damage that temperature is excessively high or Stress non-homogeneity is brought.
Description
Technical field
The present invention relates to a kind of solar power tower receiver architecture and method of reseptances, and belonging to solar light-heat power-generation should
With technical field, specifically for solar power tower heat collection function.
Background technology
Solar light-heat power-generation refers to, using large-scale heliostat array reflected sunlight, converge at connecing on high tower top
It receives on device, is taken away by heat-conducting medium cycle, and steam is generated by heat-exchanger rig, with reference to the technique of traditional steam turbine generator, from
And achieve the purpose that power generation.
Current large-scale commercialization tower type solar power stations many in the world use the receiver of omni-directional, typical case
Such as projects such as Solar Two, Gemasolar, barchan dunes.The advantages of this receiver, can be received from all directions
Energy, and simple for structure, processing is relatively easy.But due to the difference in heliostat field efficiency distribution region so that receiver
The heliostat arrangement difference in north and south is huge, and for the Northern Hemisphere, the mirror on the receiver north is more more than south, this allows for receiving
The radiation energy focusing ratio that the thermal-collecting tube of device north side is subject to is also big more than southern side, and it is excessively high to cause north side thermal-collecting tube temperature, and
Southern side thermal-collecting tube temperature is relatively low, and radiation is uneven with Temperature Distribution, there is larger safety in solar power station operational process
Hidden danger.
The mirror scene product of solar power tower is huge, and heliostat is numerous, and the energy density on receiver is very high, focusing ratio
Generally more than 1000 times, focusing on than maximum region, may more than 1500 times, once occur what heat cannot be taken away in time
Situation, gently then so that heat transfer medium（Refer mainly to fused salt）Decompose or deteriorate, it is heavy then so that receiver burn or burst so that
Whole system is paralysed.This problem restricts the development of solar power tower always, seriously hinders tower type solar electricity
The commercialization progress stood, it is open in the Chinese patent of Publication No. CN203550249U if publication date is on 04 16th, 2014
Tower type solar thermo-power station receiver light-blocking structure and publication date be on 09 05th, 2012, Publication No.
In the Chinese patent of CN202419967U, disclosed tower type solar energy thermal power generation station receiver etc. cannot solve the above problems,
Therefore it is badly in need of finding out a kind of technology for overcome thing problems, such as this.
The content of the invention
For tower type solar power generation station receiver radiation and non-uniform temperature, it is susceptible to that overheat is burnt and stress is excessive
Situation, and provide a kind of solar power tower receiver architecture and method of reseptance.The highest region of focusing ratio is made compared with
Big structural adjustment expands the endotherm area in this region, has disperseed radiation energy, reduces the focusing ratio on pipeline；It leaks into simultaneously
Receiver opposite side（Focusing ratio lower region）Radiation energy so that the Temperature Distribution of entire receiver is more reasonable, reduce by
In the damage that temperature is excessively high or Stress non-homogeneity is brought.
Technical solution is used by the present invention solves the above problems：The solar power tower receiver architecture includes converging
Tank and several thermal-collecting tubes are flowed, the both ends of thermal-collecting tube are both connected on confluence tank, and the thermal-collecting tube surrounds cylinder-like structure, in cylinder
It is focused on the thermal-collecting tube of shape structure there are one high than region, design feature is：It is focused on positioned at height than the thermal-arrest in region
The indent thermal-collecting tube of Guan Weicheng concave shaped structures.
Preferably, the spacing between the adjacent two indent thermal-collecting tubes of the present invention is more than adjacent two collection in cylinder-like structure
Spacing between heat pipe.
Preferably, indent thermal-collecting tube of the present invention is several font structures or 7 font structures, not only diverging irradiation, but also have
The ability of certain extraction duct thermal expansion.
It is opened preferably, indent thermal-collecting tube of the present invention is equidistantly homodisperse.
Preferably, the present invention on the Northern Hemisphere in, height, which is focused on, is located at the receiver medium position of direct north than region.
A kind of method of reseptance using the solar power tower receiver architecture, feature are：The reception
The step of method, is as follows：In tower type solar electricity generation system, receiver is placed on high tower top, receives anti-from heliostat field
The light penetrated, medium is transported to confluence tank by pumping from ground, then flows through receiver appearance by thermal-collecting tube, receives reflected light, real
Existing photothermal conversion；It is that height is focused on than region in the stage casing region of receiver towards north side, height is focused on than the thermal-collecting tube in region inward
It is recessed, it is referred to as indent thermal-collecting tube, it is equidistantly homodisperse to open, after reflected light is in high focus on than zone focusing, into receiver
Inside cavity progressively dissipates, and is radiated at indent thermal-collecting tube first, and reflected light passes through indent thermal-collecting tube, is radiated at receiver cavity
Internal opposite side（It is southern side if the Northern Hemisphere）Thermal-collecting tube on, be also subject to from southern side heliostat on the outside of thermal-collecting tube herein
Illumination, thus it is heated more uniform.
Preferably, the component that radiation cannot be born in receiver cavity of the present invention is put toward lower part as far as possible, strong light is avoided
Directly radiate or do protection processing.
Preferably, the temperature measuring equipments such as thermocouple of receiver inside cavities pipeline of the present invention preferably avoid radiation area, reduce
The measured deviation that direct illumination is brought.
Preferably, the thermal-collecting tube of different materials can be used in the still bigger region of part optically focused of the present invention.
Compared with prior art, the present invention haing the following advantages and effect：It is complete in the solar power tower of current mainstream
Optimization change is made on the basis of type receiver, by changing the maximum layout of beam line focused on than region, has disperseed radiation energy
Amount reduces the temperature of radiation energy concentration zones pipeline, suffered stress is alleviated, so as to improve tower type solar thermo-power station
Stability and reliability may advantageously facilitate commercialized development.
Description of the drawings
Fig. 1 is the main structure diagram of solar power tower receiver architecture in the embodiment of the present invention.
Fig. 2 is the structure diagram that heat collecting pipeline is arranged in the embodiment of the present invention.
In figure：1- thermal-collecting tubes；Region is compared in 2- high focusing；3- confluence tanks；4- indent thermal-collecting tubes.
Specific embodiment
Below in conjunction with the accompanying drawings and pass through embodiment the present invention is described in further detail, following embodiment is to this hair
Bright explanation and the invention is not limited in following embodiments.
Embodiment.
Referring to Fig. 1 to Fig. 2, the solar power tower receiver architecture in the present embodiment includes confluence tank 3 and several collection
Heat pipe 1, the both ends of thermal-collecting tube 1 are both connected on confluence tank 3, and thermal-collecting tube 1 surrounds cylinder-like structure, in the thermal-arrest of cylinder-like structure
It focuses on than region 2 there are one high on pipe 1, is focused on positioned at high than the thermal-collecting tube 1 in region 2 as in the indent collection of concave shaped structure
Heat pipe 4.
The spacing between adjacent two indent thermal-collecting tubes 4 in the present embodiment is more than adjacent two thermal-arrests in cylinder-like structure
Spacing between pipe 1.Indent thermal-collecting tube 4 is several font structures or 7 font structures.Indent thermal-collecting tube 4 is equidistantly homodisperse to be opened.
In on the Northern Hemisphere, height focuses on the receiver medium position for being located at direct north than region 2.
The step of method of reseptance of solar power tower receiver architecture is used in the present embodiment is as follows：Tower type solar
In electricity generation system, receiver is placed on high tower top, receives the light from heliostat field reflection, and medium is defeated from ground by pumping
Confluence tank 3 is sent to, then receiver appearance is flowed through by thermal-collecting tube 1, receives reflected light, realizes photothermal conversion；It is exposed to the north in receiver
The stage casing region of side is that height is focused on than region 2, and height focusing is more recessed inward than the thermal-collecting tube 1 in region 2, is referred to as indent thermal-collecting tube 4,
It is equidistantly homodisperse to open, when reflected light is after height focusing is focused on than region 2, into receiver inside cavity, progressively dissipate, head
Indent thermal-collecting tube 4 is first radiated at, reflected light passes through indent thermal-collecting tube 4, is radiated at receiver inside cavity opposite side（The Northern Hemisphere
It talks about as southern side）Thermal-collecting tube 1 on, 1 outside of thermal-collecting tube herein is also subject to the illumination from southern side heliostat, thus it is heated more
Uniformly.
The component that radiation cannot be born in receiver cavity in the present embodiment is put as far as possible toward lower part, avoids strong light direct
Protection processing is done in radiation.The temperature measuring equipments such as the thermocouple of receiver inside cavities pipeline preferably avoid radiation area, reduce direct
The measured deviation that illumination is brought.The thermal-collecting tube 1 of different materials can be used in optically focused still bigger region in part.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Title etc. can be different, and the above content described in this specification is only to structure example explanation of the present invention.It is all according to
According to equivalence changes or simple change that construction, feature and the principle described in inventional idea of the present invention are done, it is included in this hair
In the protection domain of bright patent.Those skilled in the art can do described specific embodiment various
The modification of various kinds or supplement substitute in a similar way, without departing from structure of the invention or surmount present claims
Scope defined in book, is within the scope of protection of the invention.
Claims (9)
1. a kind of solar power tower receiver architecture is all connected with including confluence tank and several thermal-collecting tubes, the both ends of thermal-collecting tube
On confluence tank, the thermal-collecting tube surrounds cylinder-like structure, and there are one high focus on the thermal-collecting tube of cylinder-like structure to compare area
Domain, it is characterised in that：It is focused on positioned at high than the thermal-collecting tube in region as in the indent thermal-collecting tube of concave shaped structure.
2. solar power tower receiver architecture according to claim 1, it is characterised in that：Adjacent two indent thermal-arrests
Spacing between pipe is more than the spacing in cylinder-like structure between adjacent two thermal-collecting tubes.
3. solar power tower receiver architecture according to claim 1, it is characterised in that：The indent thermal-collecting tube is
Several font structures or 7 font structures.
4. solar power tower receiver architecture according to claim 1, it is characterised in that：Described indent thermal-collecting tube etc.
Spacing uniformly disperses out.
5. solar power tower receiver architecture according to claim 1, it is characterised in that：In on the Northern Hemisphere, Gao Ju
Coke ratio region is located at the receiver medium position of direct north.
6. a kind of reception of solar power tower receiver architecture using as described in Claims 1 to 5 any claim
Method, it is characterised in that：The step of method of reseptance, is as follows：In tower type solar electricity generation system, receiver is placed on high tower
Top receives the light from heliostat field reflection, and medium is transported to confluence tank by pumping from ground, then is flowed through by thermal-collecting tube
Receiver appearance receives reflected light, realizes photothermal conversion；It is high focus on than region, height in the stage casing region of receiver towards north side
Focusing is more recessed inward than the thermal-collecting tube in region, is referred to as indent thermal-collecting tube, equidistantly homodisperse to open, when reflected light is in height focusing
It after zone focusing, into receiver inside cavity, progressively dissipates, is radiated at indent thermal-collecting tube first, reflected light passes through indent
Thermal-collecting tube is radiated on the thermal-collecting tube of receiver inside cavity opposite side, is also subject to determine from southern side on the outside of thermal-collecting tube herein
The illumination of solar eyepiece, thus it is heated more uniform.
7. the method for reseptance of solar power tower receiver architecture according to claim 6, it is characterised in that：Receiver
The component that radiation cannot be born in cavity is put as far as possible toward lower part, and strong light is avoided directly to radiate or do protection processing.
8. the method for reseptance of solar power tower receiver architecture according to claim 6, it is characterised in that：Receiver
The temperature measuring equipment of inside cavities pipeline preferably avoids radiation area, reduces the measured deviation that direct illumination is brought.
9. the method for reseptance of solar power tower receiver architecture according to claim 6, it is characterised in that：Part is poly-
The thermal-collecting tube of different materials can be used in the still bigger region of light.
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| CN201610673060.9A CN106225261B (en) | 2016-08-16 | 2016-08-16 | A kind of solar power tower receiver architecture and method of reseptance |
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| CN201610673060.9A CN106225261B (en) | 2016-08-16 | 2016-08-16 | A kind of solar power tower receiver architecture and method of reseptance |
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| CN106225261B true CN106225261B (en) | 2018-06-05 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918155A (en) * | 2017-03-09 | 2017-07-04 | 上海锅炉厂有限公司 | A kind of tower type solar heat dump protective cover |
| CN108917205B (en) * | 2017-03-29 | 2020-09-11 | 考克利尔维修工程有限责任公司 | System and method for thermal-mechanical monitoring of solar receivers |
| CN110044080B (en) * | 2019-03-28 | 2020-07-14 | 中国联合工程有限公司 | Tower type solar thermal power generation system based on cavity column type heat collector |
| CN110414059B (en) * | 2019-06-28 | 2020-12-01 | 浙江大学 | Radiation energy density simulation method of planar heliostat in tower type solar thermal power station |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4236383A (en) * | 1979-04-06 | 1980-12-02 | Nasa | Solar energy receiver for a Stirling engine |
| CN1582378A (en) * | 2001-08-24 | 2005-02-16 | 国际太阳能顶板公司 | Multiple reflector solar concentrators and systems |
| CN101216220A (en) * | 2008-01-14 | 2008-07-09 | 东南大学 | Special-shaped modular type hollow space solar energy high-temperature receiver |
| CN102322694A (en) * | 2011-08-31 | 2012-01-18 | 华南理工大学 | Spherical cavity type solar heat absorber with inwardly concave glass cover |
| CN202204186U (en) * | 2011-06-15 | 2012-04-25 | 云南师范大学 | Trench type line focus medium-and-low-temperature integrated solar thermal collector |
| KR20120050649A (en) * | 2010-11-11 | 2012-05-21 | 김동원 | High effiency sun light boiler |
| CN202747646U (en) * | 2012-09-19 | 2013-02-20 | 上海新产业光电技术有限公司 | Solar photothermal receiver |
| CN104596125A (en) * | 2014-11-03 | 2015-05-06 | 国家电网公司 | Cavity solar receiver with lighting cover |
| CN105283716A (en) * | 2013-04-29 | 2016-01-27 | 特莫液体公司 | Thermally-insulated tubular-tower solar receiver comprising a system for harnessing energy losses |
| CN206055983U (en) * | 2016-08-16 | 2017-03-29 | 华电电力科学研究院 | A kind of solar power tower receiver architecture |
-
2016
- 2016-08-16 CN CN201610673060.9A patent/CN106225261B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4236383A (en) * | 1979-04-06 | 1980-12-02 | Nasa | Solar energy receiver for a Stirling engine |
| CN1582378A (en) * | 2001-08-24 | 2005-02-16 | 国际太阳能顶板公司 | Multiple reflector solar concentrators and systems |
| CN101216220A (en) * | 2008-01-14 | 2008-07-09 | 东南大学 | Special-shaped modular type hollow space solar energy high-temperature receiver |
| KR20120050649A (en) * | 2010-11-11 | 2012-05-21 | 김동원 | High effiency sun light boiler |
| CN202204186U (en) * | 2011-06-15 | 2012-04-25 | 云南师范大学 | Trench type line focus medium-and-low-temperature integrated solar thermal collector |
| CN102322694A (en) * | 2011-08-31 | 2012-01-18 | 华南理工大学 | Spherical cavity type solar heat absorber with inwardly concave glass cover |
| CN202747646U (en) * | 2012-09-19 | 2013-02-20 | 上海新产业光电技术有限公司 | Solar photothermal receiver |
| CN105283716A (en) * | 2013-04-29 | 2016-01-27 | 特莫液体公司 | Thermally-insulated tubular-tower solar receiver comprising a system for harnessing energy losses |
| CN104596125A (en) * | 2014-11-03 | 2015-05-06 | 国家电网公司 | Cavity solar receiver with lighting cover |
| CN206055983U (en) * | 2016-08-16 | 2017-03-29 | 华电电力科学研究院 | A kind of solar power tower receiver architecture |
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