CN104935240B - Continuously casting process thermal photovoltaic TRT and its method - Google Patents
Continuously casting process thermal photovoltaic TRT and its method Download PDFInfo
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- CN104935240B CN104935240B CN201510336077.0A CN201510336077A CN104935240B CN 104935240 B CN104935240 B CN 104935240B CN 201510336077 A CN201510336077 A CN 201510336077A CN 104935240 B CN104935240 B CN 104935240B
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- thermophotovoltaic
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- reflecting wall
- fresnel lens
- wind passage
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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Abstract
The invention discloses a kind of continuously casting process thermal photovoltaic TRT and its method, it includes high temperature casting, reflecting wall, optically filtering device assembly, linear Fresnel lens component, cooling wind passage, immersion thermophotovoltaic board component, support, cooling blower.High temperature casting is to the light around launched by reaching optically filtering device assembly after reflecting wall multiple reflections, the light that can be absorbed by thermophotovoltaic reaches linear Fresnel lens component through optical filter, and focused on through linear Fresnel lens on the battery surface of immersion thermophotovoltaic board component, it is achieved in thermal photovoltaic generating output electric energy.Cooling blower provides the heat dissipation capacity that cooling air takes away immersion thermophotovoltaic in time for cooling wind passage makes its maintenance low temperature level.The present invention has that capacity usage ratio is high, generating efficiency is high, cost of electricity-generating is low, radiation loss is small, battery life length, it is reliable and convenient to install and maintain the features such as, the continuously casting process in metallurgy industry can be widely used in.
Description
Technical field
The invention belongs to thermal photovoltaic technical field of power generation, more particularly to a kind of continuously casting process thermal photovoltaic TRT
And its method.
Background technology
Thermal photovoltaic generation technology is by high temperature（Temperature is 1000 ~ 2000k）The infrared band radiation energy of heat radiator（Wavelength
For 800 ~ 2000nm）Project the technology that electric energy is converted on thermophotovoltaic.Thermal photovoltaic generation technology is sent out with photovoltaic
Power technology is compared, the characteristics of with independent of sunshine, can not by round the clock, season or weather influenceed and provides stable electricity
Can, while there is higher energy output density and theoretical conversion efficiencies, therefore thermal photovoltaic generation technology is increasingly by people
Attention.At present, thermal photovoltaic electricity generation system in part has put goods on the market application, but it is most all concentrate on military field, and
Application in civil equipment is still seldom.Continuous casting process is quite varied in the application of metallurgy industry, the technical process be by
High temperature metal liquid is continuously injected into water mold, pulls straight, passes through from crystallizer outlet after metal liquid is condensed into duricrust
Cross direct water injection system and carry out secondary cooling, all align and cut again by the air cooling zone that total length is about 20 ~ 30m after solidification
It is cut into the process that rolling process was sent out or be fed directly to ingot casting.By taking continuous casting steel machine as an example, drawn during continuous casting steel machine from crystallizer
The surface of steel ingot temperature gone out is general in 1300 ~ 1500k or so, and surface temperature drops to 950 ~ 1100k after secondary cooling zone
Behind left and right, air inlet cooling zone, because steel ingot center is toward the heat transfer on surface, surface of steel ingot temperature rises to 1100 ~ 1200k
Left and right, as the above analysis continuously casting process medium casting be regarded as constantly outwardly launching ultrared high temperature heat radiation
Body, and very big in the heat transfer temperature difference of secondary cooling zone casting and cooling water, the link heat seriously devalues utilization, causes pole
Big heat loss.The arrangement thermal photovoltaic TRT during continuously casting is can contemplate based on above-mentioned situation to be generated electricity simultaneously
Cooled down, be achieved in the optimum use of high temperature casting emittance.In order to reasonably arrange thermal photovoltaic TRT and
Influence is not produced on whole technical process, the general arrangement for considering to carry out thermal photovoltaic TRT in air cooling zone now should
Continuously casting process can suitably reduce the length and water-cooled heat exchange amount of secondary cooling zone or directly cancel secondary cooling zone, simultaneously
According to the length of specific increase in demand air cooling zone.
The content of the invention
It is an object of the present invention to provide the company that a kind of capacity usage ratio is high, cost of electricity-generating is low, convenient to install and maintain
Continuous casting process thermal photovoltaic TRT.
It is another object of the present invention to provide a kind of continuously casting process thermal photovoltaic electricity-generating method, it, which has to generate electricity, imitates
Rate height, battery life length, it is reliable the characteristics of, can be widely used in metallurgy industry.
For achieving the above object, technical solution of the invention is：
The present invention is a kind of continuously casting process thermal photovoltaic TRT, and it includes high temperature casting, reflecting wall, optically filtering
Device assembly, linear Fresnel lens component, cooling wind passage, immersion thermophotovoltaic board component, support, cooling blower；It is described
High temperature casting be continuously casting during from crystallizer pull out until cut before continuous motion casting；Described reflecting wall is
High temperature casting is enclosed in its inner chamber, and the central axis and high temperature of reflecting wall by flexible tubular type cavity structure, reflecting wall
The central axis of casting is consistent, and reflecting wall is provided with three-decker, and innermost layer is the transmission material being made up of pure quartz glass, in
Interbed is the reflecting material that is made of rhodium coating, the base material that outermost layer is made for flame-proof thermal insulation material, and the top of reflecting wall is along axis
Direction opens up an opening；Described optically filtering device assembly is arranged in the opening at the top of reflecting wall, optically filtering device assembly
Ora terminalis be tightly connected with the open-topped ora terminalis of reflecting wall；Described linear Fresnel lens component is arranged at the top of reflecting wall
Opening on and the top in optically filtering device assembly, the ora terminalis and reflecting wall of linear Fresnel lens component be open-topped
Ora terminalis is tightly connected；The air duct of axis and the centerline axis parallel of high temperature casting, cold centered on described cooling wind passage
But the bottom of wind passage opens up an opening in the axial direction, and ora terminalis and the reflecting wall open-topped ora terminalis sealing of the opening connect
Connect；Described immersion thermophotovoltaic board component is arranged in the inside of cooling wind passage and positioned at linear Fresnel lens component
Top, the axis of immersion thermophotovoltaic board component and the diameter parallel of linear Fresnel lens component, to ensure to pass through line style
All light of Fresnel Lenses are projected on the battery surface of immersion thermophotovoltaic board component completely；Described support 7 will
Immersion thermophotovoltaic board component is fixedly supported on the inwall of cooling wind passage；Described cooling blower is arranged on cooling wind and led to
The outside in road and by pipeline with cool down wind passage one end connect.
Using the thermal photovoltaic electricity-generating method of above-mentioned continuously casting process thermal photovoltaic TRT, it comprises the following steps：
1）The high temperature casting continuously moved occurs to reach optics filter after multiple reflections to the reflected wall of the light around launched
Ripple device assembly, the light that can be absorbed by thermophotovoltaic reaches linear Fresnel lens component through optical filter, it is impossible to
It is reflected back by the light that thermophotovoltaic absorbs；
2）The light for reaching linear Fresnel lens component focuses on immersion thermophotovoltaic through linear Fresnel lens
On the battery surface of board component, the thermophotovoltaic on immersion thermophotovoltaic board component exports electricity using photovoltaic effect
Energy；
3）Cooling blower provides cooling air for cooling wind passage, and cooling air is by being arranged in the liquid cooled down in wind passage
The heat dissipation capacity of thermophotovoltaic is taken away during leaching thermophotovoltaic board component surface, battery panel components is maintained low temperature level.
After such scheme, the present invention has advantages below：
1st, capacity usage ratio is high.The present invention carries out thermal photovoltaic generating output electric energy using the heat radiation energy of high temperature casting,
Energy does not devalue utilization, is that heat radiation energy is reclaimed and utilized most while having very high energy conversion efficiency
Rational method.
2nd, generating efficiency is high.The continuous motion casting of the present invention is basically unchanged in the temperature curve of different sections so that no
Emission spectrum with section is basically unchanged, it is possible thereby to determine the optically filtering device assembly and thermophotovoltaic plate group of each section
Part, so as to obtain invariable maximum generation efficiency.
3rd, cost of electricity-generating is low.The present invention uses secondary condensation mode, launches high temperature casting to surrounding first with reflecting wall
Light reflected and be pooled on linear Fresnel lens, recycle the light focusing that will transmit through of linear Fresnel lens to arrive
On the surface of thermophotovoltaic, therefore the area very little of thermophotovoltaic plate, cost of electricity-generating is low.
4th, radiation loss is small.The reflecting wall of the present invention reduces the heat dissipation capacity of wall outwardly, and optical filter can not
Heat radiator is reflexed to by the emission spectrum that thermophotovoltaic absorbs to be re-used, therefore the present invention is delivered to dissipating for the external world
Heat loss very little.
5th, battery life is long.The present invention is carried out by the way of cooling wind forced convertion radiating to thermophotovoltaic board component
Cooling protection, battery radiating effect is fine, long service life, while smelting furnace can be used as by reclaiming the preheated air of heat dissipation capacity formation
Combustion air.
6th, it is reliable, convenient to install and maintain.Apparatus of the present invention are simple in construction, are not related to other rotations in addition to cooling blower
Mechanism, transmission mechanism, linkwork and pipeline connected mode are not related to yet, therefore operation is very reliable, and nobody can be achieved substantially
It is on duty；The easy mass production of apparatus of the present invention is with installing, and the discrete component in associated component, which to be damaged, easily changed,
Therefore it is convenient to install and maintain, maintenance cost can be reduced.
In summary, thermal photovoltaic TRT of the invention has high capacity usage ratio, generating efficiency height, cost of electricity-generating
Low, radiation loss is small, battery life length, it is reliable and convenient to install and maintain the features such as, metallurgy industry can be widely used in
In continuously casting process.
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the axonometric schematic diagram of the present invention.
Embodiment
First, device
As shown in Figure 1 and Figure 2, the present invention is a kind of continuously casting process thermal photovoltaic TRT, it include high temperature casting 1,
Reflecting wall 2, optically filtering device assembly 3, linear Fresnel lens component 4, cooling wind passage 5, immersion thermophotovoltaic board component
6th, support 7, cooling blower 8.
Described high temperature casting 1 is the continuous motion casting during continuously casting from crystallizer pull-out before cutting；
Described reflecting wall 2 is flexible tubular type cavity structure, and high temperature casting 1 is enclosed in its inner chamber, and reflecting wall by reflecting wall 2
2 central axis is consistent with the central axis of high temperature casting 1, and reflecting wall 2 is provided with three-decker, and innermost layer is by high purity quartz
The transmission material 21 that glass is made, intermediate layer is the reflecting material 22 that rhodium coating is made, and outermost layer is made up of flame-proof thermal insulation material
Base material 23, the top of reflecting wall 2 opens up an opening 24 in the axial direction；Described optically filtering device assembly 3 is arranged in instead
In the opening 24 for penetrating the top of wall 2, the ora terminalis and the ora terminalis of the open top 24 of reflecting wall 2 of optically filtering device assembly 3 are tightly connected；Institute
The linear Fresnel lens component 4 stated is arranged in upper in the opening 24 at the top of reflecting wall 2 and in optically filtering device assembly 3
Side, the ora terminalis and the ora terminalis of the open top 24 of reflecting wall 2 of linear Fresnel lens component 4 are tightly connected；Described cooling wind leads to
The air duct of axis and the centerline axis parallel of high temperature casting 1 centered on road 5, the bottom of cooling wind passage 5 is in the axial direction
An opening 51 is opened up, the ora terminalis and the ora terminalis of the open top 24 of reflecting wall 2 of the opening 51 are tightly connected；The hot light of described immersion
Volt battery panel components 6 are arranged in the inside of cooling wind passage 5 and positioned at the top of linear Fresnel lens component 4, the hot light of immersion
The axis of battery panel components 6 and the diameter parallel of linear Fresnel lens component 4 are lied prostrate, to ensure to pass through linear Fresnel lens 4
All light project completely on the battery surface of immersion thermophotovoltaic board component 6；Described support 7 is by immersion thermal photovoltaic
Battery panel components 6 are fixedly supported on the inwall of cooling wind passage 5；Described cooling blower 8 is arranged on the outer of cooling wind passage 5
Side and by pipeline with cool down wind passage 5 one end connect.
2nd, method
As shown in Figure 1 and Figure 2, the present invention is a kind of continuously casting process thermal photovoltaic electricity-generating method, and it comprises the following steps：
1）The high temperature casting 1 continuously moved reaches optics after occurring multiple reflections to the reflected wall 2 of the light around launched
Filter assembly 3, the light that can be absorbed by thermophotovoltaic reaches linear Fresnel lens component 4 through optical filter 3,
The light that can not be absorbed by thermophotovoltaic is reflected back；
2）The light for reaching linear Fresnel lens component 4 focuses on immersion thermal photovoltaic electricity through linear Fresnel lens 4
On the battery surface of pond board component 6, the thermophotovoltaic on immersion thermophotovoltaic board component 6 is exported using photovoltaic effect
Electric energy；
3）Cooling blower 8 provides cooling air for cooling wind passage 5, and cooling air is by being arranged in cooling wind passage 5
Immersion thermophotovoltaic 6 surface of board component when take away the heat dissipation capacity of thermophotovoltaic, battery panel components is maintained low temperature level.
The above is only the better embodiment to the present invention, not makees any formal limit to the present invention
System, any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (3)
1. a kind of continuously casting process thermal photovoltaic TRT, it is characterised in that：It includes high temperature casting, reflecting wall, optics filter
Ripple device assembly, linear Fresnel lens component, cooling wind passage, immersion thermophotovoltaic board component, support, cooling blower；Institute
The high temperature casting stated is the continuous motion casting during continuously casting from crystallizer pull-out before cutting；Described reflecting wall
For flexible tubular type cavity structure, high temperature casting is enclosed in its inner chamber, and the central axis and height of reflecting wall by reflecting wall
The central axis of warm casting is consistent, and the top of reflecting wall opens up an opening in the axial direction；Described optically filtering device assembly
It is arranged in the opening at the top of reflecting wall, ora terminalis and the open-topped ora terminalis of reflecting wall of optically filtering device assembly are tightly connected；
Described linear Fresnel lens component is arranged in the opening at the top of reflecting wall and the top in optically filtering device assembly, line
The ora terminalis of type Fresnel Lenses component is tightly connected with the open-topped ora terminalis of reflecting wall；Axle centered on described cooling wind passage
The air duct of line and the centerline axis parallel of high temperature casting, the bottom of cooling wind passage opens up an opening in the axial direction,
The ora terminalis of the opening is tightly connected with the open-topped ora terminalis of reflecting wall；Described immersion thermophotovoltaic board component is arranged in cold
But the inside of wind passage and positioned at linear Fresnel lens component top, the axis and line style of immersion thermophotovoltaic board component
The diameter parallel of Fresnel Lenses component, to ensure that all light through linear Fresnel lens project the hot light of immersion completely
On the battery surface for lying prostrate battery panel components；Immersion thermophotovoltaic board component is fixedly supported on cooling wind passage by described support
Inwall on；Described cooling blower is arranged on the outside of cooling wind passage and connected by one end of pipeline and cooling wind passage
It is logical.
2. continuously casting process thermal photovoltaic TRT according to claim 1, it is characterised in that：Described
Reflecting wall is provided with three-decker, and innermost layer is the transmission material being made up of pure quartz glass, and intermediate layer is rhodium coating
The reflecting material being made, the base material that outermost layer is made for flame-proof thermal insulation material.
3. a kind of electricity-generating method of continuously casting process thermal photovoltaic TRT according to claim 1, it is characterised in that：
It comprises the following steps：
1）The high temperature casting continuously moved reaches optical filter after occurring multiple reflections to the reflected wall of the light around launched
Component, the light that can be absorbed by thermophotovoltaic reaches linear Fresnel lens component through optical filter, it is impossible to hot
The light that photovoltaic cell absorbs is reflected back；
2）The light for reaching linear Fresnel lens component focuses on immersion thermophotovoltaic plate group through linear Fresnel lens
On the battery surface of part, the thermophotovoltaic on immersion thermophotovoltaic board component exports electric energy using photovoltaic effect；
3）Cooling blower provides cooling air for cooling wind passage, and cooling air is warm by the immersion being arranged in cooling wind passage
The heat dissipation capacity of thermophotovoltaic is taken away during photovoltaic battery panel assembly surface, battery panel components is maintained low temperature level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510336077.0A CN104935240B (en) | 2015-06-17 | 2015-06-17 | Continuously casting process thermal photovoltaic TRT and its method |
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|---|---|---|---|
| CN201510336077.0A CN104935240B (en) | 2015-06-17 | 2015-06-17 | Continuously casting process thermal photovoltaic TRT and its method |
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| Publication Number | Publication Date |
|---|---|
| CN104935240A CN104935240A (en) | 2015-09-23 |
| CN104935240B true CN104935240B (en) | 2017-07-14 |
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| CN105450172B (en) * | 2015-12-08 | 2017-11-28 | 苏州华安普电力科技股份有限公司 | A kind of photovoltaic curtain plate of the double cooling devices of band |
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| CN102214707A (en) * | 2011-05-20 | 2011-10-12 | 南京航空航天大学 | Burnt luminous energy unitization device and method |
| WO2014026945A1 (en) * | 2012-08-13 | 2014-02-20 | Triangle Resource Holding (Switzerland) Ag | Energy conversion and transfer arrangement for thermophotovoltaic devices and thermophotovoltaic devices comprising such |
| CN103062883A (en) * | 2012-12-14 | 2013-04-24 | 江苏大学 | Small thermal-photovoltaic cogeneration system with waste heat recovery |
| CN103151963B (en) * | 2013-03-27 | 2015-08-12 | 上海空间电源研究所 | A kind of electric heating interchangeable heat photovoltaic system |
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Granted publication date: 20170714 Termination date: 20200617 |