CN113364394A - Thermal photovoltaic device for thermal radiation energy conversion and production line protection section applying same - Google Patents
Thermal photovoltaic device for thermal radiation energy conversion and production line protection section applying same Download PDFInfo
- Publication number
- CN113364394A CN113364394A CN202110615408.XA CN202110615408A CN113364394A CN 113364394 A CN113364394 A CN 113364394A CN 202110615408 A CN202110615408 A CN 202110615408A CN 113364394 A CN113364394 A CN 113364394A
- Authority
- CN
- China
- Prior art keywords
- thermal
- thermal radiation
- photovoltaic cell
- radiation absorber
- energy conversion
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 50
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000006100 radiation absorber Substances 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002086 nanomaterial Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 239000010937 tungsten Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910005542 GaSb Inorganic materials 0.000 claims description 3
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 description 21
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000005457 Black-body radiation Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- -1 biological energy Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/30—Thermophotovoltaic systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/008—Surface plasmon devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a thermal photovoltaic device for thermal radiation energy conversion, which comprises a thermal radiation absorber and a photovoltaic cell, wherein the thermal radiation absorber and the photovoltaic cell are assembled together; the heat radiation absorber is made of a high-temperature-resistant surface plasma material, and the surface of the heat radiation absorber is made into a micro-nano structure. The thermal radiation absorber is a high-temperature-resistant surface plasma material, and the surface of the high-temperature-resistant surface plasma material is provided with a micro-nano structure to generate a surface plasma effect, so that the photo-thermal coupling efficiency is improved by utilizing the surface plasma optical effect and the heat transfer enhancement effect. The invention also discloses a production line protection section applied to the thermal photovoltaic device for thermal radiation energy conversion, which comprises a conveying device, wherein the thermal photovoltaic device is arranged on the conveying device, and a channel for conveying thermal radiation products is reserved between the thermal photovoltaic devices.
Description
Technical Field
The invention belongs to the technical field of converting thermal radiation into electric energy, in particular to the application fields of thermophotovoltaic technology and the like for recycling waste heat of production lines of steel making, steel rolling and the like, and can efficiently absorb radiation spectral energy of different heat sources, such as industrial waste heat and the like.
Background
In nature, objects above absolute zero can radiate infrared energy, and the utilization of the radiation energy of the objects with certain temperature, particularly high-temperature objects, can greatly improve the utilization of energy.
According to the blackbody radiation law, the higher the temperature of an object is, the radiation spectrum range moves to a short wave band, for example, the surface temperature of the sun is close to 6000 ℃, and the radiation spectrum is in the visible light and near infrared range.
The thermophotovoltaic technology is a technology capable of directly converting heat energy into electric energy, can convert the spectrum of any heat source radiation, such as waste heat, biological energy, chemical energy and the like in the fields of solar energy, industrial heat sources, metallurgy, aerospace and the like, and provides a good way for effectively utilizing and recycling energy. For example, in the process of smelting steel in a steel plant, the high temperature environment of 1400 ℃ lasts 24 hours, and if the high temperature infrared radiation energy is recycled, great economic benefits are generated, which depends on the thermophotovoltaic technology.
Thermophotovoltaic (TPV) is a technology in which infrared radiation energy of a high-temperature object is directly converted into electric energy through a semiconductor photovoltaic material. With the development of semiconductor photoelectric materials, low-forbidden-band III-V semiconductor materials appear, the high-efficiency conversion of infrared radiation is realized, and the thermophotovoltaic technology further draws wide attention.
As shown in fig. 1, a typical thermophotovoltaic device includes a high temperature resistant metal 11, an optical filter 12, and a thermophotovoltaic cell 13 (converter), and heat radiation of a heat source 10 is transmitted to the optical filter 12 through the high temperature resistant metal 11, and is converted into electric energy through the thermophotovoltaic cell 13 after passing through the optical filter 12. Other sub-units are added as appropriate to improve the conversion efficiency of the unit or for recycling of energy, such as the recuperator 14, auxiliary components (not shown), etc. The heat recovery unit 14 performs the reuse of thermal energy in an installation, and auxiliary components are used for heat dissipation of the converter, exhaust of waste gas and waste heat, and integration of the whole installation. Due to the limitation of the actual device by the PN junction theory of the thermal photovoltaic cell, the calculated expected efficiency can only reach 20% -30%, and how to efficiently recover the radiant energy and select the radiant spectrum is a key problem of TPV.
Disclosure of Invention
The invention provides a thermal photovoltaic device for thermal radiation energy conversion, wherein a radiation absorber of the device has a selective absorption effect and can be designed according to a spectrum of heat source radiation; meanwhile, the radiation absorber has radiation spectrum selectivity in a middle infrared band and is matched with the spectrum of the photovoltaic cell, so that higher conversion efficiency is obtained.
The invention also provides a production line protection section applied to the thermophotovoltaic device for converting thermal radiation energy, and waste heat of the production line protection section can be efficiently absorbed and converted into electric energy.
The technical scheme adopted by the invention is as follows:
a thermal photovoltaic device for thermal radiation energy conversion comprises a thermal radiation absorber and a photovoltaic cell, wherein the thermal radiation absorber and the photovoltaic cell are assembled together; the heat radiation absorber is made of a high-temperature-resistant surface plasma material, and the surface of the heat radiation absorber is made into a micro-nano structure.
The surface of the radiation absorber is manufactured into a specific micro-nano structure by using a high-energy laser or sand blasting process, and the micro-nano structure is a random micro-nano structure or a complex periodic micro-nano structure.
The root mean square value of the random structure depth H is 0.5-1.2 mu m, and the correlation length L is larger than 0.5.
The heat radiation absorber is made of high-temperature resistant metal tungsten, tantalum or semiconductor materials such as silicon carbide and sapphire, and the surface of the heat radiation absorber is plated with an aluminum oxide, hafnium oxide or silicon carbide film layer to prevent high-temperature oxidation of metal.
The photovoltaic cell adopts monocrystalline silicon or InGaAs/InP, InGaAsSb and GaSb photovoltaic cells.
The light-transmitting surface of the photovoltaic cell is packaged by high-temperature-resistant glass, and the high-temperature-resistant glass is arranged between the photovoltaic cell and the heat radiation absorber.
The thermal photovoltaic device further comprises a heat dissipation device, the heat dissipation device is arranged on the back face of the photovoltaic cell, and the heat dissipation device is separated from a back plate through which the photovoltaic cell passes.
The utility model provides a production line protection section that thermal radiation energy conversion's thermophotovoltaic device used, includes conveyer, the thermophotovoltaic device that is provided with on conveyer leaves the passageway of conveying thermal radiation product between the thermophotovoltaic device.
The thermal radiation absorber of the thermal photovoltaic device is made into a U shape, a thermal radiation product is covered in the U-shaped cavity, and the photovoltaic cell of the thermal photovoltaic device is designed into a photovoltaic cell conversion module and is respectively arranged above and on two sides of the U-shaped thermal radiation absorber.
The production line protection section still includes the protection steel sheet, and is trilateral in the inboard of protection steel sheet, be front and two sides respectively, sets up the heat radiation absorber, covers in heat radiation product heat source side, and the heat radiation absorber outside is close to protection steel sheet one side installation photovoltaic cell conversion module promptly.
The invention discloses a thermal radiation absorber and a photovoltaic cell, wherein the thermal radiation absorber and the photovoltaic cell have the following technical effects:
1. because the heat radiation absorber is a high-temperature-resistant surface plasma material, the surface of the high-temperature-resistant surface plasma material is provided with a micro-nano structure to generate a surface plasma effect, and the unique optical characteristic can limit the incident light energy in a sub-wavelength range and has an optical field enhancement effect; due to the influence of the near field effect, the heat transfer effect in the micro-nano scale is much higher than the heat flux measured by blackbody radiation, and the micro-scale heat management is facilitated, so that the energy utilization rate is improved. Therefore, the invention utilizes the surface plasma optical effect and the heat transfer enhancement effect to improve the photo-thermal coupling efficiency.
2. The absorption spectrum can be modulated by controlling the size parameter of the micro-nano structure generating the surface plasma effect, so that the high-efficiency absorption of the heat source radiation spectrum is met; the mid-infrared spectrum in the case of re-radiation can be selected to match the band of the selected photoelectric conversion device, such as a monocrystalline silicon photovoltaic cell, and the radiation of the photovoltaic cell is suppressed in the band outside the spectral range of the photovoltaic cell, thereby avoiding energy waste.
3. The reradiated mid-infrared spectrum can be well matched with the photoelectric converter by selecting the surface plasma structure parameters and the radiation temperature, so that an optical filter is not required to be added in front of the photoelectric converter, the structural complexity is reduced, and the further loss of optical energy is reduced.
4. The heat radiation absorber provided by the invention adopts a high-temperature-resistant surface plasma material, and can work in different high-temperature environments when being operated, so that the radiation spectrum of the heat radiation absorber is matched with the effective spectrum of the photoelectric conversion device, the whole device can achieve high-efficiency conversion and utilization from absorption of radiation to photoelectric conversion, and the photoelectric conversion efficiency is high.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is an exploded view of a prior art thermal photovoltaic device;
FIG. 2 is a diagram of a thermophotovoltaic device according to the present invention;
FIG. 3 is a first illustration of a production line protection section for a thermophotovoltaic device application of the present invention;
FIG. 4 is a second illustration of a production line protection section for a thermophotovoltaic device application of the present invention;
FIG. 5 is a one-dimensional schematic diagram of a random micro-nano structure according to the invention.
Detailed description of the preferred embodiments
As shown in fig. 2, a thermal photovoltaic device 2 for thermal radiation energy conversion includes a thermal radiation absorber 21 and a photovoltaic cell 22, the thermal radiation absorber 21 being assembled with the photovoltaic cell 22; the thermal radiation absorber 21 is made of a high-temperature-resistant surface plasma material, the surface of the thermal radiation absorber 21 is made into a micro-nano structure 211, and thermal radiation of the high-temperature heat source 20 is transmitted to the photovoltaic cell 22 through the thermal radiation absorber 21 and then converted into electric energy.
The surface of the radiation absorber 21 is manufactured into a specific micro-nano structure by using a high-energy laser or sand blasting process, so that a surface plasma effect is generated when the thermal radiation and the surface of the radiation absorber act, the absorption spectrum range is modulated, the absorption efficiency is enhanced, and the spectrum matching and high-efficiency photoelectric conversion of a photocell are selectively controlled by the radiation absorber. The micro-nano structure is a random micro-nano structure or a complex periodic micro-nano structure. As shown in FIG. 5, the RMS value of the depth H of the random structure is between 0.5 μm and 1.2 μm, and the correlation length L is greater than 0.5. The micro-nano structure can generate a surface plasma effect in a wide spectrum range, can realize the enhanced absorption of a heat source spectrum, and has the absorption efficiency of more than 90 percent; meanwhile, the radiation spectrum selection of the mid-infrared spectrum can be realized, and the spectrum requirement of the photovoltaic cell is met; the high efficiency energy absorber is integrated with the spectrally selective emitter such that the thermophotovoltaic device no longer requires an optical filter.
The operating environment of the thermophotovoltaic device 2 is a high temperature environment greater than 800 ℃, and therefore the thermal radiation absorber 21 is made of surface plasma materials such as high temperature resistant metal tungsten, tantalum, or semiconductor materials such as silicon carbide and sapphire.
Further, a magnetron sputtering preparation technique or a chemical vapor deposition method may be used to plate an aluminum oxide, hafnium oxide or silicon carbide film layer on the surface of the thermal radiation absorber 21 to prevent high temperature oxidation of the metal.
The photovoltaic cell 22 is monocrystalline silicon, which saves cost, and also can be InGaAs/InP, InGaAsSb, GaSb and other photovoltaic cells.
The light-transmitting surface of the photovoltaic cell 22 is encapsulated by high-temperature-resistant glass 221, and the high-temperature-resistant glass 221 is arranged between the photovoltaic cell 22 and the thermal radiation absorber 21.
A back plate (not shown) is further disposed on the back surface of the photovoltaic cell 22, and the back plate 222 is made of a high temperature resistant material, such as a material resistant to a high temperature of more than 1000 ℃.
The thermophotovoltaic device 2 further comprises a heat dissipation device 23, the heat dissipation device 23 is arranged on the back of the photovoltaic cell 22, the heat dissipation device 23 is separated from a back plate through which the photovoltaic cell 22 passes, the heat dissipation device 23 can be an air cooling device or a water cooling device, and an air cooling plate (not shown) or a water cooling plate (not shown) of the heat dissipation device 23 is in good contact with the back plate, so that redundant heat is effectively taken away. Certainly, the heat dissipation device 23 preferably adopts a water cooling device with a circulating water cooling heat dissipation mode, and can store energy for secondary utilization.
The connecting pieces used by the thermophotovoltaic device 2 are all threaded connecting pieces made of high-temperature-resistant materials, such as tungsten threaded connecting pieces.
The invention has the advantages that:
1. according to the invention, the high-temperature-resistant surface plasma material is used as the heat radiation absorber, the random micro-nano structure is manufactured on the surface of the high-temperature-resistant absorber, the manufacturing method is simple and easy to operate, the requirement on precision is not high during preparation, high-efficiency absorption in a heat radiation full spectrum range can be realized, and experiments and simulation analysis can reach more than 90%.
2. The high-temperature-resistant surface plasma material adopted by the invention can control the reradiation spectrum, the reradiation spectrum can be regulated and controlled in the spectral range of the photovoltaic cell by controlling the temperature to be 1000-1500 ℃, the cut-off wavelength is steep, and the energy loss is inhibited.
3. The high-temperature resistant surface plasma structure can effectively improve the surface emissivity, so that the surface emissivity is close to the emissivity of a black body at the same temperature, and the radiation intensity is improved.
4. The invention adopts the high-temperature resistant metal material as the substrate of the heat radiation absorber, has the operable temperature of more than 2000 ℃, and can keep the physical and chemical performance stability in the high-temperature environment.
5. The invention integrates thermal radiation energy absorption and thermal reradiation, and simplifies the structure.
6. The invention omits an optical filter, further simplifies the structure and simultaneously reduces the optical energy loss.
The invention can efficiently absorb the radiation spectrum energy of different heat sources, and is widely applied to industrial waste heat recycling, such as the waste heat recycling of production lines of steel making, steel rolling and the like.
For example, the present invention uses the first scheme in a steel rolling production line. The steel rolling production line consists of a heating furnace, a rolling mill and a transportation line, after the rolling mill rolls steel into required size, the temperature of a steel plate is still above 1000 ℃, and the thermal radiation absorber can effectively absorb the spectrum radiated by a high-temperature steel heat source and carry out the thermoelectric conversion of the reradiation spectrum. As shown in FIG. 3, in the protection section 3 of the steel rolling production line, the U-shaped steel plate is manufactured by using the high temperature resistant surface plasma material as the thermal radiation absorber 24 of the invention to replace the original protection steel plate, and the high temperature rolled steel 9 (thermal radiation product) is covered in the U-shaped cavity and is fixedly connected with the substrate 34 of the original conveying device (not shown). The solution also plays a role of steel plate protection, and is connected and fixed with the base 34 by using high temperature resistant tungsten screw nails. The top photovoltaic cell conversion module 224, the left photovoltaic cell conversion module 222, and the right photovoltaic cell conversion module 223 are respectively placed above and on both sides of the U-shaped thermal radiation absorber 24, and the U-shaped thermal radiation absorber 31 is connected and positioned with the top photovoltaic cell conversion module 224, the left photovoltaic cell conversion module 222, and the right photovoltaic cell conversion module 223 by means of tungsten screws. The dimensions of the invention are determined according to the dimensions of the steel sheet blank, typical dimensions being 125mm wide by 125mm high by 10m long. The electric energy converted by the photovoltaic cell is stored by a storage battery or is connected into a power grid for use.
The second scheme of the invention is that the steel plate of the steel rolling production line is not changed, and the device of the invention is arranged in the steel plate. As shown in fig. 4, three inner sides of the U-shaped protective steel plate 35 are a top side and two side sides, respectively, the thermal radiation absorber 214 of the top side, the thermal radiation absorber 212 of the left side, and the thermal radiation absorber 213 of the right side are installed on the heat source side of the high-temperature rolled steel 9 (thermal radiation product), and the photovoltaic cell conversion module 224 of the top side, the photovoltaic cell conversion module 222 of the left side, and the photovoltaic cell conversion module 223 of the right side are correspondingly installed on the outer sides of the thermal radiation absorber 214 of the top side, the thermal radiation absorber 212 of the left side, and the thermal radiation absorber 213 of the right side, that is, on the side close to the protective steel plate 35. The top thermal radiation absorber 214, the left thermal radiation absorber 212, the right thermal radiation absorber 213, the top photovoltaic cell conversion module 224, the left photovoltaic cell conversion module 222, the right photovoltaic cell conversion module 223, and the protective steel plate 35 were connected and positioned in this order by tungsten screws. The dimensions of the invention are determined according to the dimensions of the steel sheet blank, typical dimensions being 125mm wide by 125mm high by 10m long. The electric energy converted by the photovoltaic cell is stored by a storage battery or is connected into a power grid for use. Those skilled in the art will appreciate that the details of the present invention not described in detail herein are well within the skill of those in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. A thermophotovoltaic device for thermal radiation energy conversion, characterized in that: the solar cell comprises a thermal radiation absorber and a photovoltaic cell, wherein the thermal radiation absorber and the photovoltaic cell are assembled together; the heat radiation absorber is made of a high-temperature-resistant surface plasma material, and the surface of the heat radiation absorber is made into a micro-nano structure.
2. A thermophotovoltaic device for thermal radiation energy conversion according to claim 1, wherein: the surface of the radiation absorber is manufactured into a specific micro-nano structure by using a high-energy laser or sand blasting process, and the micro-nano structure is a random micro-nano structure or a complex periodic micro-nano structure.
3. A thermophotovoltaic device for thermal radiation energy conversion according to claim 1, wherein: the root mean square value of the random structure depth H is 0.5-1.2 mu m, and the correlation length L is larger than 0.5.
4. A thermophotovoltaic device for thermal radiation energy conversion according to claim 1, wherein: the heat radiation absorber is made of high-temperature resistant metal tungsten, tantalum or semiconductor materials such as silicon carbide and sapphire, and the surface of the heat radiation absorber is plated with an aluminum oxide, hafnium oxide or silicon carbide film layer to prevent high-temperature oxidation of metal.
5. A thermophotovoltaic device for thermal radiation energy conversion according to claim 1, wherein: the photovoltaic cell adopts monocrystalline silicon or InGaAs/InP, InGaAsSb and GaSb photovoltaic cells.
6. A thermophotovoltaic device for thermal radiation energy conversion according to claim 1, wherein: the light-transmitting surface of the photovoltaic cell is packaged by high-temperature-resistant glass, and the high-temperature-resistant glass is arranged between the photovoltaic cell and the heat radiation absorber.
7. A thermophotovoltaic device for thermal radiation energy conversion according to claim 1, wherein: the thermal photovoltaic device further comprises a heat dissipation device, the heat dissipation device is arranged on the back face of the photovoltaic cell, and the heat dissipation device is separated from a back plate through which the photovoltaic cell passes.
8. A protection section of a production line for thermo-photovoltaic devices for thermal radiant energy conversion applications, characterized in that it comprises a conveyor on which are arranged thermo-photovoltaic devices according to claim 1, between which there is left a passage for the thermal radiant products.
9. A production line protection section for a thermophotovoltaic device for thermal radiation energy conversion according to claim 8, wherein: the thermal radiation absorber of the thermal photovoltaic device is made into a U shape, a thermal radiation product is covered in the U-shaped cavity, and the photovoltaic cell of the thermal photovoltaic device is designed into a photovoltaic cell conversion module and is respectively arranged above and on two sides of the U-shaped thermal radiation absorber.
10. A production line protection section for a thermophotovoltaic device for thermal radiation energy conversion according to claim 8, wherein: the solar cell module is characterized by further comprising a protective steel plate, wherein the front side and the two side faces are arranged on three sides of the inner side of the protective steel plate respectively, a heat radiation absorber is arranged and covers the heat source side of a heat radiation product, and the outer side of the heat radiation absorber is close to one side of the protective steel plate to install a photovoltaic cell conversion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110615408.XA CN113364394B (en) | 2021-06-02 | 2021-06-02 | Production line protection section applied to thermophotovoltaic device for thermal radiation energy conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110615408.XA CN113364394B (en) | 2021-06-02 | 2021-06-02 | Production line protection section applied to thermophotovoltaic device for thermal radiation energy conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113364394A true CN113364394A (en) | 2021-09-07 |
| CN113364394B CN113364394B (en) | 2023-01-03 |
Family
ID=77531430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110615408.XA Active CN113364394B (en) | 2021-06-02 | 2021-06-02 | Production line protection section applied to thermophotovoltaic device for thermal radiation energy conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113364394B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380693A (en) * | 2008-10-14 | 2009-03-11 | 南开大学 | Micro-nano structure preparation method on metallic material surface using femtosecond laser |
| CN101399292A (en) * | 2008-11-12 | 2009-04-01 | 清华大学 | High temperature heat radiation integrated device used for photovoltaic electricity generation |
| CN103551400A (en) * | 2013-11-06 | 2014-02-05 | 北京科技大学 | Method for reducing temperature drop in copper alloy plate strip hot rolling process |
| CN203791359U (en) * | 2014-04-09 | 2014-08-27 | 莱芜钢铁集团有限公司 | Cooling bed waste heat recycling device |
| CN105514197A (en) * | 2016-02-18 | 2016-04-20 | 陆玉正 | Heat pipe type solar energy thermophotovoltaic and optothermal integrated device |
| CN105790680A (en) * | 2016-03-10 | 2016-07-20 | 苏州大学 | Thermal photovoltaic power generation device |
| CN106653899A (en) * | 2016-08-31 | 2017-05-10 | 王艳红 | Packaging structure for photovoltaic battery for high temperature environment |
| CN106899257A (en) * | 2017-04-12 | 2017-06-27 | 南通华謇能源科技有限公司 | The co-generation unit that a kind of tandem type thermal photovoltaic and temperature-difference thermoelectric combination generate electricity |
| CN107482994A (en) * | 2017-08-22 | 2017-12-15 | 郑义 | A kind of selective thermal transmitter for thermal photovoltaic system |
| CN108365795A (en) * | 2018-04-10 | 2018-08-03 | 浙江大学 | A kind of cascade thermal photovoltaic system of difference forbidden band photovoltaic cell and its heat energy recovering method |
| CN108732663A (en) * | 2018-08-16 | 2018-11-02 | 苏州大学 | Wide-band bidirectional wide-angle absorbent structure and preparation method thereof |
| CN112708399A (en) * | 2020-11-27 | 2021-04-27 | 南京航空航天大学 | Three-dimensional photonic crystal selective heat radiator for thermophotovoltaic |
-
2021
- 2021-06-02 CN CN202110615408.XA patent/CN113364394B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380693A (en) * | 2008-10-14 | 2009-03-11 | 南开大学 | Micro-nano structure preparation method on metallic material surface using femtosecond laser |
| CN101399292A (en) * | 2008-11-12 | 2009-04-01 | 清华大学 | High temperature heat radiation integrated device used for photovoltaic electricity generation |
| CN103551400A (en) * | 2013-11-06 | 2014-02-05 | 北京科技大学 | Method for reducing temperature drop in copper alloy plate strip hot rolling process |
| CN203791359U (en) * | 2014-04-09 | 2014-08-27 | 莱芜钢铁集团有限公司 | Cooling bed waste heat recycling device |
| CN105514197A (en) * | 2016-02-18 | 2016-04-20 | 陆玉正 | Heat pipe type solar energy thermophotovoltaic and optothermal integrated device |
| CN105790680A (en) * | 2016-03-10 | 2016-07-20 | 苏州大学 | Thermal photovoltaic power generation device |
| CN106653899A (en) * | 2016-08-31 | 2017-05-10 | 王艳红 | Packaging structure for photovoltaic battery for high temperature environment |
| CN106899257A (en) * | 2017-04-12 | 2017-06-27 | 南通华謇能源科技有限公司 | The co-generation unit that a kind of tandem type thermal photovoltaic and temperature-difference thermoelectric combination generate electricity |
| CN107482994A (en) * | 2017-08-22 | 2017-12-15 | 郑义 | A kind of selective thermal transmitter for thermal photovoltaic system |
| CN108365795A (en) * | 2018-04-10 | 2018-08-03 | 浙江大学 | A kind of cascade thermal photovoltaic system of difference forbidden band photovoltaic cell and its heat energy recovering method |
| CN108732663A (en) * | 2018-08-16 | 2018-11-02 | 苏州大学 | Wide-band bidirectional wide-angle absorbent structure and preparation method thereof |
| CN112708399A (en) * | 2020-11-27 | 2021-04-27 | 南京航空航天大学 | Three-dimensional photonic crystal selective heat radiator for thermophotovoltaic |
Non-Patent Citations (2)
| Title |
|---|
| YANHONG WANG等: ""Broadband Absorption Enhancement of Refractory Plasmonic Material with Random Structure"", 《PLASMONICS》 * |
| 刘嵩: ""飞秒激光制备微纳米周期结构的热辐射特性研究"", 《中国优秀博硕士学位论文全文数据库(博士)信息科技辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113364394B (en) | 2023-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Thermodynamic and optical analysis for a CPV/T hybrid system with beam splitter and fully tracked linear Fresnel reflector concentrator utilizing sloped panels | |
| Tang et al. | A cascading solar hybrid system for co-producing electricity and solar syngas with nanofluid spectrum selector | |
| Rawat et al. | Thermodynamic study of solar photovoltaic energy conversion: An overview | |
| Hu et al. | Optical analysis of a hybrid solar concentrating photovoltaic/thermal (CPV/T) system with beam splitting technique | |
| Shan et al. | Comparison between spectrum-split conversion and thermophotovoltaic for solar energy utilization: thermodynamic limitation and parametric analysis | |
| Andreev et al. | Solar thermophotovoltaic converters based on tungsten emitters | |
| Cao et al. | Toward a high-efficient utilization of solar radiation by quad-band solar spectral splitting | |
| Wang et al. | Thermodynamic analysis for a concentrating photovoltaic-photothermochemical hybrid system | |
| Liang et al. | Optimum matching of photovoltaic–thermophotovoltaic cells efficiently utilizing full-spectrum solar energy | |
| Fraas | Economic potential for thermophotovoltaic electric power generation in the steel industry | |
| SA523442135B1 (en) | Hybrid Renewable System for Heat and Power Production | |
| Li et al. | Design and evaluation of a hybrid solar thermphotovoltaic-thermoelectric system | |
| US11125469B2 (en) | Apparatus and method for the co-production of high temperature thermal energy and electrical energy from solar irradiance | |
| Kohiyama et al. | Spectrally controlled thermal radiation based on surface microstructures for high-efficiency solar thermophotovoltaic system | |
| CN101399292B (en) | High temperature heat radiation integrated device used for photovoltaic electricity generation | |
| Rabady | Optimized spectral splitting in thermo-photovoltaic system for maximum conversion efficiency | |
| CN113364394B (en) | Production line protection section applied to thermophotovoltaic device for thermal radiation energy conversion | |
| Mellor et al. | Specially designed solar cells for hybrid photovoltaic-thermal generators | |
| Hu et al. | Thermodynamic analysis on medium-high temperature solar thermal systems with selective coatings | |
| Alnahhal et al. | Thermal-Electrical Model of Concentrated Photovoltaic-Thermoelectric Generator Combined System for Energy Generation | |
| Masood et al. | Design and parametric analysis of compound parabolic concentrator for photovoltaic applications | |
| CN114322585A (en) | High-efficiency recovery conversion system for infrared radiation waste heat of high-temperature steel billet | |
| EP2827383B1 (en) | A hybrid solar energy converter | |
| Wu et al. | Performance analysis of a novel solar radiation cascade conversion system for combined heat and power generation based on spectrum splitting and reshaping | |
| Hamdy et al. | Effect of spectrally selective liquid absorption-filters on silicon solar-cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |