CN107388600A - White method is gone in a kind of acceleration of focus solar collector speculum - Google Patents
White method is gone in a kind of acceleration of focus solar collector speculum Download PDFInfo
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- CN107388600A CN107388600A CN201610324888.3A CN201610324888A CN107388600A CN 107388600 A CN107388600 A CN 107388600A CN 201610324888 A CN201610324888 A CN 201610324888A CN 107388600 A CN107388600 A CN 107388600A
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- frost
- collective optics
- gone
- acceleration
- speculum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/82—Arrangements for concentrating solar-rays for solar heat collectors with reflectors characterised by the material or the construction of the reflector
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of acceleration of focus solar collector speculum to go white method, and this method is included in the backside coating dark color coating of the collective optics of the focus solar collector speculum；When the minute surface of collective optics has frost, by the back side of collective optics towards the sun, the back side of collective optics is set to receive solar radiation；The above-mentioned solar radiation heat of absorption is conducted to the frost of collective optics minute surface, accelerates the frost on collective optics surface to melt speed.The present invention irradiates frost to melt frost faster than directly using sunshine, the white time is gone so as to greatly reduce mirror mirror, so as to improve the generated energy at solar energy thermal-power-generating station and economy.
Description
Technical field
The invention belongs to solar energy thermal-power-generating field, is related to focus solar collector speculum, and white method is gone in especially a kind of acceleration of focus solar collector speculum.
Background technology
Solar energy thermal-power-generating and concentrating solar high temperature heat utilization field.For solar energy thermal-power-generating, the technology generates electricity suitable for all light-focusing type solars, such as a variety of solar energy thermal-power-generating fields such as slot type, tower, linear Fresnel formula and Stirling dish-style.Principle and application of the present invention in concentrating solar high temperature heat utilization are identical with content described herein.
Focus solar collector speculum is the collective optics at solar energy thermal-power-generating station（Hereinafter referred to as：Speculum）, be solar energy thermal-power-generating station important component.In the period of no sunlight and mirror mirror temperature less than 0 DEG C, minute surface often frosting.After solar irradiation is out mapped on mirror mirror by the sun, frost can also retain a very long time.During this period of time speculum can not effectively assemble sunshine, and heat collector also cannot normal operation.This case seriously reduces the generated energy at solar energy thermal-power-generating station, reduces the economic benefit in power station.
The area that temperature is higher in the winter time is mostly built at the solar energy thermal-power-generating station built up in the world, and its frosting problem is not serious.But solar irradiation preferably, winter temperature lower ground area, such as northwest China, build solar energy thermal-power-generating station and serious frosting problem just occur.Existing to go white method be facing to the sun with mirror, using direct irradiation of sunlight minute surface defrost, absorbs solar radiation heat energy heating frost by frost, melts frost with this.
It is existing go white method be with mirror facing to the sun, remove frost using direct irradiation of sunlight minute surface.The method shortcoming is white time length, so as to cause power station generated energy to reduce, less economical, traces it to its cause and is：Absorptivity of the frost to solar radiation itself is very low；The light overwhelming majority that sunshine passes through frost layer arrival minute surface is reflected back again, it is impossible to is absorbed by minute surface, speculum temperature rise is very slow, and the heat that frost is passed to from speculum is no or seldom.
The content of the invention
Frost itself is very low to the absorptivity of solar radiation and speculum temperature rise is very slow in order to solve, from speculum pass to the heat of frost without or seldom technical problem, it is of the invention to propose a kind of acceleration of focus solar collector speculum and go white method.
This method has been invented to the generated energy at solar energy thermal-power-generating station and the influence of economic benefit, spy in order to reduce frost.
White method is gone in a kind of acceleration of focus solar collector speculum, and this method comprises the following steps：First, there is dark coating in the backside coating of the collective optics of the focus solar collector speculum；Secondly, when the minute surface of collective optics has frost, by the back side of collective optics towards the sun, the back side of collective optics is made to receive solar radiation；Finally, the above-mentioned solar radiation heat of absorption is conducted to the frost of collective optics minute surface, accelerates the frost on collective optics surface to melt speed.
White method is gone in above-mentioned acceleration, and the collective optics is speculum.
White method is gone in above-mentioned acceleration, and the speculum is followed successively by glass-base, argentum reflecting layer, copper anticorrosive coat, primer coating, middle lacquer coat, white topcoat, dark top coat layer from top to bottom.
White method is gone in above-mentioned acceleration, and the speculum is on to being above followed successively by glass-base, argentum reflecting layer, copper anticorrosive coat, primer coating, middle lacquer coat, dark top coat layer.
White method is gone in above-mentioned acceleration, and the dark coating is dark finish paint.
White method is gone in above-mentioned acceleration, and the dark finish paint is black finish paint.
Using as mirror back surface protective paint, one layer high to solar radiative absorption rate of dark color or black coating can also be covered again on outermost layer protective paint to the higher dark color of solar radiative absorption rate or black finish paint；And mirror back surface finish paint is often used in the prior art as white, it is relatively low to solar radiative absorption rate.
The present invention is mapped to mirror back surface using solar irradiation, and a part is absorbed by the frost at the back side, and a part is by white reflected off reflective mirror, and some is through frost layer or by being refracted to the protective paint surface up to mirror back surface；Mirror back surface frost layer defrost is directly heated by the sunshine that the frost of mirror back surface is absorbed, reach the sunshine heating mirror back surface protective paint on mirror back surface protective paint surface, and the glassy layer of speculum is transferred heat to by heat transfer, the frost being conducted to again outside glassy layer, when the temperature of mirror glass layer reaches 0 DEG C or more than 0 DEG C, the frost layer of minute surface will gradually melt.This absorbs sunshine by frost than prior art and removes frost much faster.
The present invention uses the protective paint of the dark color or black finish paint high to solar radiative absorption rate as mirror back surface, or covers one layer high to solar radiative absorption rate of dark color or black finish paint or coating again on outermost layer protective paint；Go during frost, mirror back surface absorbs solar radiation heat against the sun, using to the high dark color of solar radiative absorption rate or black finish paint, then heat is conducted to the frost of mirror mirror by heat transfer, so as to the thawing speed of acceleratory reflex mirror minute surface frost.With it is existing go white method compared with, method proposed by the present invention employs higher to solar radiation absorptivity dark color or black finish paint first, then the temperature of acceleratory reflex mirror in itself melts frost by way of heat transfer, than directly using sunshine irradiation white（Frost is high to solar radiation reflectivity, absorptivity is low）To melt frost faster, the white time is gone so as to greatly reduce mirror mirror, so as to improve the generated energy at solar energy thermal-power-generating station and economy.
Brief description of the drawings
Fig. 1 is the collective optics structure of prior art；
Fig. 2 is the improved collective optics structure 1 of the present invention；
Fig. 3 is the improved collective optics structure 2 of the present invention.
Reference：Glass-base 1, argentum reflecting layer 2, copper anticorrosive coat 3, primer coating 4, middle lacquer coat 5, white topcoat 6, dark finish paint 7.
Embodiment
Below, refer to the attached drawing, further details of narration is done to the present invention, shown in the drawings of the exemplary embodiment of the present invention.However, the present invention can be presented as a variety of multi-forms, it is not construed as being confined to the exemplary embodiment described here.And these embodiments are to provide, so that the present invention is fully and completely, and it will fully convey the scope of the invention to one of ordinary skill in the art.
White method is gone in a kind of acceleration of focus solar collector speculum, the dark either black finish paint 7 higher to solar radiative absorption rate is coated on the surface of the middle lacquer coat 5 of collective optics or in outermost layer protective paint（Such as the surface of the white topcoat 6 of collective optics）Re-coating dark color or black finish paint 7；When mirror mirror has frost, by mirror back surface towards the sun, mirror back surface is set to receive solar radiation.
Using dark color or black finish paint 7 protective paint as mirror back surface high to solar radiative absorption rate, or one layer high to solar radiative absorption rate of dark or black finish paint 7 is covered on outermost layer protective paint 6 again；Mirror back surface absorbs solar radiation heat against the sun using to the high dark color of solar radiative absorption rate or black finish paint 7；The above-mentioned solar radiation heat of absorption is conducted to the frost of mirror mirror, the thawing speed of acceleratory reflex mirror minute surface frost.
The collective optics of the present invention is focus solar collector speculum, it includes the argentum reflecting layer 2 positioned at the top of glass-base 1, argentum reflecting layer 2 is provided with copper anticorrosive coat 3, the top of copper anticorrosive coat 3 is provided with primer coating 4, the top of primer coating 4 is provided with middle lacquer coat 5, the middle top of lacquer coat 5 is provided with dark finish paint 7 or is provided with white topcoat 6, and the white top of topcoat 6 is coated with dark finish paint 7.
Go during frost, mirror back surface absorbs solar radiation heat against the sun, using to the high dark color of solar radiative absorption rate or black finish paint 7, then heat is conducted to the frost of mirror mirror by heat transfer, so as to the thawing speed of acceleratory reflex mirror minute surface frost.
The present invention uses the protective paint of the dark color or black finish paint high to solar radiative absorption rate as mirror back surface, or covers one layer high to solar radiative absorption rate of dark color or black finish paint or coating again on outermost layer protective paint；Go during frost, mirror back surface absorbs solar radiation heat against the sun, using to the high dark color of solar radiative absorption rate or black finish paint, then heat is conducted to the frost of mirror mirror by heat transfer, so as to the thawing speed of acceleratory reflex mirror minute surface frost.With it is existing go white method compared with, method proposed by the present invention employs higher to solar radiation absorptivity dark color or black finish paint first, then the temperature of acceleratory reflex mirror in itself melts frost by way of heat transfer, than directly using sunshine irradiation white（Frost is high to solar radiation reflectivity, absorptivity is low）To melt frost faster, the white time is gone so as to greatly reduce mirror mirror, so as to improve the generated energy at solar energy thermal-power-generating station and economy.
Disclosed above is only the specific embodiment of the application, but the application is not limited to this, the changes that any person skilled in the art can think of, should all fall in the protection domain of the application.
Claims (6)
1. white method is gone in a kind of acceleration of focus solar collector speculum, it is characterised in that：This method comprises the following steps：
First, there is dark coating in the backside coating of the collective optics of the focus solar collector speculum；
Secondly, when the minute surface of collective optics has frost, by the back side of collective optics towards the sun, the back side of collective optics is made to receive solar radiation；
Finally, the above-mentioned solar radiation heat of absorption is conducted to the frost of collective optics minute surface, accelerates the frost on collective optics surface to melt speed.
2. white method is gone in a kind of acceleration as claimed in claim 1, it is characterised in that：The collective optics is speculum.
3. white method is gone in a kind of acceleration as claimed in claim 1 or 2, it is characterised in that：The speculum is followed successively by glass-base, argentum reflecting layer, copper anticorrosive coat, primer coating, middle lacquer coat, white topcoat, dark top coat layer from top to bottom.
4. white method is gone in a kind of acceleration as claimed in claim 1 or 2, it is characterised in that：The speculum is followed successively by glass-base, argentum reflecting layer, copper anticorrosive coat, primer coating, middle lacquer coat, dark top coat layer from top to bottom.
5. white method is gone in a kind of acceleration as claimed in claim 1 or 2, it is characterised in that：The dark coating is dark finish paint.
6. white method is gone in a kind of acceleration as claimed in claim 5, it is characterised in that：The dark finish paint is black finish paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324888.3A CN107388600A (en) | 2016-05-17 | 2016-05-17 | White method is gone in a kind of acceleration of focus solar collector speculum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324888.3A CN107388600A (en) | 2016-05-17 | 2016-05-17 | White method is gone in a kind of acceleration of focus solar collector speculum |
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| Publication Number | Publication Date |
|---|---|
| CN107388600A true CN107388600A (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610324888.3A Pending CN107388600A (en) | 2016-05-17 | 2016-05-17 | White method is gone in a kind of acceleration of focus solar collector speculum |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4782216A (en) * | 1987-08-11 | 1988-11-01 | Monsanto Company | Electrically heatable laminated window |
| CN1099782A (en) * | 1993-09-04 | 1995-03-08 | 青岛建筑工程学院 | Solar energy absorbing paint |
| CN101284958A (en) * | 2008-06-05 | 2008-10-15 | 上海交通大学 | Preparation method of solar energy heat absorbing coating using nickel or nickel alloy hollow ball as absorbent |
| CN204176936U (en) * | 2014-10-09 | 2015-02-25 | 艾绍奎 | A kind of mirror pressure-bearing photo-thermal solar-heating heating collector |
| CN105189207A (en) * | 2013-03-01 | 2015-12-23 | 麦格纳视镜控股有限责任公司 | Rear-view mirror assembly for motor vehicles |
| CN205227848U (en) * | 2015-12-02 | 2016-05-11 | 天津滨海光热反射技术有限公司 | A speculum for solar thermal energy electricity generation |
-
2016
- 2016-05-17 CN CN201610324888.3A patent/CN107388600A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4782216A (en) * | 1987-08-11 | 1988-11-01 | Monsanto Company | Electrically heatable laminated window |
| CN1099782A (en) * | 1993-09-04 | 1995-03-08 | 青岛建筑工程学院 | Solar energy absorbing paint |
| CN101284958A (en) * | 2008-06-05 | 2008-10-15 | 上海交通大学 | Preparation method of solar energy heat absorbing coating using nickel or nickel alloy hollow ball as absorbent |
| CN105189207A (en) * | 2013-03-01 | 2015-12-23 | 麦格纳视镜控股有限责任公司 | Rear-view mirror assembly for motor vehicles |
| CN204176936U (en) * | 2014-10-09 | 2015-02-25 | 艾绍奎 | A kind of mirror pressure-bearing photo-thermal solar-heating heating collector |
| CN205227848U (en) * | 2015-12-02 | 2016-05-11 | 天津滨海光热反射技术有限公司 | A speculum for solar thermal energy electricity generation |
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Application publication date: 20171124 |