CN204216824U - A kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient - Google Patents
A kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient Download PDFInfo
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- CN204216824U CN204216824U CN201420701839.3U CN201420701839U CN204216824U CN 204216824 U CN204216824 U CN 204216824U CN 201420701839 U CN201420701839 U CN 201420701839U CN 204216824 U CN204216824 U CN 204216824U
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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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- 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
Abstract
The utility model discloses a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient, comprise support, described support is provided with just secondary mirror, circular arc spectrum frequency divider, photovoltaic module, again secondary mirror and heat collector, wherein just secondary mirror is used for reflected sunlight; The sunlight that circular arc spectrum frequency divider secondary mirror at the beginning of receiving reflects also carries out transmittance and reflectance; Photovoltaic module carries out photovoltaic generation for the sunlight receiving the transmission of circular arc spectrum frequency divider; The sunlight that secondary mirror is used for circular arc spectrum frequency divider reflects again carries out secondary reflection again; Heat collector for receive circular arc spectrum frequency divider reflection sunlight and receive again speculum reflection sunlight carry out photo-thermal power generation.The utility model can by utilizable for photovoltaic module wavelength region to it carries out photovoltaic generation, and carry out photo-thermal power generation by being unfavorable for that wave band that photovoltaic module carries out photovoltaic generation reflexes on heat collector, energy-flux density on photovoltaic module is large, and photovoltaic module energy output is high.
Description
Technical field
The utility model belongs to device of solar generating field, more specifically, relates to a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient.
Background technology
An important form during solar energy utilizes as new energy development, has broad application prospects.Traditional Solar use is solar thermal utilization and photovoltaic generation mainly, but causes the utilization ratio of these two kinds of modes not high because solar energy energy-flux density is low.Therefore, how Solar use is carried out on high efficiency, low cost ground becomes problem demanding prompt solution in Application of Solar Energy.At present, solar energy thermal-power-generating is all adopt spot mode to heat the working medium in heat collector, again the working medium of the higher temperature obtained is sent into steam turbine subsequently and generates electricity; For photovoltaic generation, adopt Salar light-gathering technology can save solar panel usage quantity, reduce cost of electricity-generating, but photovoltaic panel working temperature can be made further too high and cause efficiency sharply to decline.
The wavelength band of the solar radiation observed on the ground is approximately 0.295 ~ 2.5 μm, is shorter than 0.295 μm and be greater than the solar radiation of 2.5 mum wavelengths, because of the strong absorption of ozone, aqueous vapor and other atmospheric molecules in earth atmosphere, can not arrives ground.Light wherein within the scope of 0.38 ~ 1.1 mu m waveband is relatively applicable to photovoltaic generation, the spectrum that wavelength is greater than 1.1 μm is then inner in photovoltaic panel as thermal dissipation, therefore cause photovoltaic panel overheated, once heat dispersion does not reach requirement, the generating efficiency of photovoltaic cell can sharply reduce.In addition, Fresnel and tower condenser system is only had to be only the energy-flux density that photovoltaic cell can be shown by accommodation reflex mirror inclination angle in condenser system even, and butterfly and trench light condensing system all can cause battery surface to produce " hot spot ", reduce photovoltaic panel efficiency.A kind of GaInP/GaAs/Ge tri-junction photovoltaic battery (Luque A, Hegedus S.Handbook of photovoltaic science andengineering [M] .Jorn Wiley & Sons, 2011.) spectral response curve demonstrates, and this photovoltaic cell extends to 300 ~ 1800nm by between photovoltaic transition zone.Multijunction cell has the conversion efficiency of superelevation, but involves great expense, and general and condenser system forms HCPV electricity generation system, has economical and practical value when focusing ratio is greater than 400.Therefore, carry out concentrating photovoltaic power generation and there is economic worth.
In photo voltaic hot water system, as patent CN201758374U (Yu Deyong. a kind of all-in-one photovoltaic and photothermal solar panel), plan while carrying out photovoltaic generation, use fluid flow through Solar panel backside, take away the heat in battery, thus reduce battery operating temperature; Then collect the hot water heating and obtain, be used.This system reaches the comprehensive utilization of sunlight theoretically, but it is the highest less than 80 DEG C to heat the fluid temperature (F.T.) obtained, and belong to low-grade temperature hot water, actual Quality degree of effective utilization is low.Have article to point out, two-stage trans-reflective optically focused frequency division electric heating co-generation system has higher Solar use efficiency (two-stage trans-reflective optically focused frequency division electric heating co-generation system design and analysis, Wang Gang etc., China Science & Technology University, 2012).Therefore, carry out Salar light-gathering frequency division photovoltaic photo-thermal work in coordination with efficiency power generation be worth research.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient, solve photovoltaic module surface overheated uneven with hot spot, save the material of photovoltaic module, improve photovoltaic module conversion efficiency and efficiency of utilization.
For achieving the above object, according to an aspect of the present utility model, provide a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient, comprise support and cooling device, described support is provided with just secondary mirror, circular arc spectrum frequency divider, photovoltaic module, again secondary mirror and heat collector, wherein
First secondary mirror, is inclined relative to horizontal layout, for reflected sunlight;
Circular arc spectrum frequency divider, it is opening up, and the sunlight that secondary mirror at the beginning of receiving reflects also carries out transmittance and reflectance;
Photovoltaic module, is positioned at the top of circular arc spectrum frequency divider, carries out photovoltaic generation for the sunlight receiving the transmission of circular arc spectrum frequency divider, and it covers and all contacts with the two edges of circular arc spectrum frequency divider upper end on circular arc spectrum frequency divider;
Cooling device, cools for ventilating to photovoltaic module;
Secondary mirror again, carries out secondary reflection again for the sunlight reflected by circular arc spectrum frequency divider;
Heat collector, is positioned at directly over secondary mirror again, for receive circular arc spectrum frequency divider reflection sunlight and receive again speculum reflection sunlight carry out photo-thermal power generation.
Preferably, photovoltaic module comprises photovoltaic panel and lower photovoltaic panel, lower photovoltaic panel covers and all contacts with the two edges of circular arc spectrum frequency divider upper end on circular arc spectrum frequency divider, upper photovoltaic panel can directly utilize the sunlight of irradiation to carry out photovoltaic generation, and the sunlight that lower photovoltaic panel can accept the transmission of circular arc spectrum frequency divider carries out photovoltaic generation.
Preferably, also comprise for the cooling device carrying out cooling that ventilates to photovoltaic module.
Preferably, also comprise PID temperature control device, it is connected on photovoltaic module, for detecting the temperature of photovoltaic module and sending air-supply regulation and control instruction to cooling device.
Preferably, described PID temperature control device comprises multiple temperature sensor, and the plurality of temperature sensor is arranged along the longitudinal direction of photovoltaic module.
Preferably, described photovoltaic module comprises photovoltaic panel and lower photovoltaic panel, lower photovoltaic panel covers and all contacts with the two edges of circular arc spectrum frequency divider upper end on circular arc spectrum frequency divider, multiple perpendicular baffle plate is provided with between upper photovoltaic panel and lower photovoltaic panel, upper photovoltaic panel, perpendicular baffle plate and lower photovoltaic panel form a cooling air passage jointly, and described cooling device ventilates thus cools photovoltaic module in cooling air passage.
Preferably, described heat collector is electron tubes type solar collector.
Preferably, heat collector is positioned at immediately below circular arc spectrum frequency divider, to receive the sunlight of circular arc spectrum frequency divider reflection.
Preferably, described just secondary mirror comprises left just secondary mirror and the right side just secondary mirror, left just secondary mirror and the right side just secondary mirror lay respectively at lower left and the lower right of circular arc spectrum frequency divider, and circular arc spectrum frequency divider receives the sunlight of left just secondary mirror and the right side just secondary mirror reflection.
Preferably, described just secondary mirror comprises mirror main body and the one-body molded globoidal mirror at mirror main body two ends respectively, and mirror main body is level crossing, and mirror main body angle is with respect to the horizontal plane 1 ~ 40 °.
In general, the above technical scheme conceived by the utility model compared with prior art, can obtain following beneficial effect:
1) spectrum segment in the corresponding wave band of the spectrum of circular arc spectrum frequency divider to photovoltaic module designed in the utility model has high-transmission rate, to other wave band, there is high reflectance, therefore it carries out photovoltaic generation by utilizable for photovoltaic module wavelength region to photovoltaic module, and carry out photo-thermal power generation by being unfavorable for that wave band that photovoltaic module carries out photovoltaic generation reflexes on heat collector, while avoiding photovoltaic module and be overheated, also heated the fluid in heat collector;
2) the utility model is owing to adopting the first secondary mirror be in tilted layout, by reasonable Arrangement just secondary mirror and regulate the angle of inclination of just secondary mirror to make transmitted ray be evenly superposition on the surface of photovoltaic module, ensure that the uniformity that photovoltaic module surface energy flux density distributes.Considering the optical parallax such as evenness, concentrator tracking error of angle of incident light, the first mirror tilt error of glass, minute surface, obtaining photovoltaic module surface energy flux density up to 0.96, can be applicable to the work of photovoltaic module;
3) photovoltaic module of the present utility model covers on circular arc spectrum frequency divider, it all contacts with the two edges of circular arc spectrum frequency divider upper end, the two makes the inner chamber of circular arc spectrum frequency divider form half enclosed cavity, the sunlight that transmission can be made to enter in semiclosed chamber is fully absorbed by photovoltaic module after multiple reflections, improves photoelectric conversion efficiency; In addition, heat collector is placed on immediately below circular arc spectrum frequency divider and receives reverberation, and the position of heat collector can be overhead closer, reduces construction cost, is conducive to maintenance;
4) the utility model is also connected with PID temperature control device on photovoltaic module, for regulating cooling system operating state, the part heat energy that can not be converted to electric energy in photovoltaic module is taken away, photovoltaic module is made to be in optimum working temperature, avoid photovoltaic module surface abnormalities problems of excessive heat, ensure the operation normally and efficiently of photovoltaic module.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the front view after the utility model removes cooling device;
Fig. 3 is that in the utility model, two ends are the schematic diagram of the first secondary mirror of globoidal mirror.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each execution mode of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1 and Figure 2, a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient, comprise support 1 and cooling device 8, described support 1 is provided with just secondary mirror 2, circular arc spectrum frequency divider 3, photovoltaic module 4, again speculum 6 and heat collector 7, wherein
First secondary mirror 2, is inclined relative to horizontal setting, for reflected sunlight; First secondary mirror 2 can select level crossing, and other also can be selected with the speculum of arc, is beneficial to sunray and reflexes to better on circular arc spectrum frequency divider 3.Preferably, the first secondary mirror 2 that the utility model is selected comprises mirror main body 21 and the one-body molded globoidal mirror 22 at mirror main body 21 two ends respectively, and mirror main body 21 is level crossing, and mirror main body 21 angle is with respect to the horizontal plane 1 ~ 40 °.
Circular arc spectrum frequency divider 3, it is opening up, for receiving the sunlight of reflection in first secondary mirror 2 and carrying out transmittance and reflectance;
Photovoltaic module 4, is positioned at the top of circular arc spectrum frequency divider 3, carries out photovoltaic generation for the sunlight receiving the transmission of circular arc spectrum frequency divider 3, and it covers and all contacts with the two edges of circular arc spectrum frequency divider 3 upper end on circular arc spectrum frequency divider 3; Photovoltaic module 4 comprises photovoltaic panel 41 and lower photovoltaic panel 42, lower photovoltaic panel 42 covers and all contacts with the two edges of circular arc spectrum frequency divider 3 upper end on circular arc spectrum frequency divider 3, upper photovoltaic panel 41 can directly utilize the sunlight of irradiation to carry out photovoltaic generation, and the sunlight that lower photovoltaic panel 42 can accept the transmission of circular arc spectrum frequency divider 3 carries out photovoltaic generation.
Cooling device 8, cools for ventilating to photovoltaic module 4;
Speculum 6 again, carries out secondary reflection again for the sunlight reflected by circular arc spectrum frequency divider 3;
Heat collector 7, is positioned at again directly over speculum 6, for receive circular arc spectrum frequency divider 3 reflection sunlight and receive again speculum 6 reflect sunlight carry out photo-thermal power generation.Heat collector 7 is positioned at immediately below circular arc spectrum frequency divider 3, to receive the sunlight of circular arc spectrum frequency divider 3 reflection.Because sunlight can reflect by circular arc spectrum frequency divider 3 down, sunlight and the angle of vertical curve of reflection are smaller, namely the sunlight reflected is relatively vertical, therefore heat collector 7 can be arranged by closer position, ground, so that the installation and maintenance of heat collector 7.
This Blast Furnace Top Gas Recovery Turbine Unit (TRT) also comprises PID temperature control device.PID temperature control device is connected on photovoltaic module 4, for detecting the temperature of photovoltaic module 4 and sending air-supply regulation and control instruction to cooling device 8.Described PID temperature control device comprises multiple temperature sensor 5, and the plurality of temperature sensor 5 is arranged along the longitudinal direction of photovoltaic module 4, to detect the temperature of photovoltaic module 4 in multiple position, understands the temperature on photovoltaic module 4 better.
Further, multiple perpendicular baffle plate 43 is provided with between upper photovoltaic panel 41 and lower photovoltaic panel 42, upper photovoltaic panel 41, perpendicular baffle plate 43 and lower photovoltaic panel 42 form a cooling air passage 40 jointly, the temperature conditions that described cooling device 8 detects according to PID temperature control device, can ventilate thus cool photovoltaic module 4 in cooling air passage 40.
Further, described just secondary mirror 2 comprises left just secondary mirror 2 and the right side just secondary mirror 2, left just secondary mirror 2 and the right side just secondary mirror 2 lay respectively at lower left and the lower right of circular arc spectrum frequency divider 3, circular arc spectrum frequency divider 3 receives the sunlight of left just secondary mirror and the right side just secondary mirror reflection, can improve circular arc spectrum frequency divider 3 like this and be transmitted to energy-flux density in lower photovoltaic panel 42.
Described just secondary mirror 2 has certain altitude apart from ground, and this height is 1.2 ~ 1.5m, can herding grass first secondary mirror 2 below, to save floor space and raising land utilization ratio.Minute surface width range 12 ~ 24cm that first secondary mirror 2 adopts, the mirror main body 21 of first secondary mirror 2 is 1 ~ 40 ° with the angle of horizontal plane, make the optically focused focus of just secondary mirror 2 on the surface of circular arc spectrum frequency divider 3, thus make photovoltaic module 4 obtain uniform energy-flux density.The two ends of mirror main body 21 arrange globoidal mirror 22, and the light that the globoidal mirror 22 at just secondary mirror 2 two ends reflects can be made can to focus on circular arc spectrum frequency divider 3 better.In order to ensure hot spot on photovoltaic module 4 and energy-flux density even, can realize with the angle of horizontal plane by controlling mirror main body 21.
The shape of circular arc spectrum frequency divider 3 is one section of minor arc.This shape is arranged to by circular arc spectrum frequency divider 3, one is to make circular arc spectrum frequency divider 3 and lower photovoltaic panel 42 form a semiclosed chamber 9, so that the light of circular arc spectrum frequency divider 3 transmission can multiple reflections in semiclosed chamber 9, the transmitted ray be conducive to through circular arc spectrum frequency divider 3 is absorbed by lower photovoltaic panel 42 better, improves sunlight utilance.Two is heat collector 7 can be made to be placed on immediately below it receive reverberation, and the position of heat collector 7 can be overhead closer, is easy to install and maintain.
Described PID temperature control device detects the temperature of photovoltaic module 4 by temperature sensor 5, start cooling device 8 in good time, maintains the state of temperature of the peak efficiency of photovoltaic module 4, reduces operating efficiency to prevent photovoltaic module 4 overheated.Described PID temperature control device measures photovoltaic panel temperature and forced draft fan 80 to cooling device sends air-supply regulation and control instruction, ensures that photovoltaic module 4 works in certain temperature range.Cooling device 8 accepts the Boiler pressure control instruction that PID temperature control device produces, and regulates air output, and delivers to cooling air passage 40 by air supply duct 81 and cool upper photovoltaic panel 41 and lower photovoltaic panel 42.
Heat collector 7 adopts electron tubes type solar collector, the sunlight that its absorption circular arc spectrum frequency divider 3 and again speculum 6 reflect back, and conducts to intraductal working medium, the working medium of heating tube internal circulation flow, and then pass through heat energy power-generating after being converted to heat energy.Speculum 6 arrives heat collector 7 after carrying out secondary reflection to the sunlight do not projected on heat collector 7 again again, improves the photo-thermal conversion efficiency of heat collector 7.
The utility model is applicable to Gobi desert and the Desert Area of illumination abundance; adopt and there is higher support 1; just secondary mirror 2 is made to be protected away from ground on the one hand; on the other hand because the ground below the minute surface of first secondary mirror 2 can't accept sunlight direct projection; decrease the loss of soil water steam; soil environment can be improved and carry out pasture growing, for animal husbandry.
Photovoltaic module 4 is positioned at directly over circular arc spectrum frequency divider 3, film on circular arc spectrum frequency divider 3 can make long wave reflection, shortwave transmission, its reverberation light i.e., transmission Cold light source, with 1.1 μm for boundary, the long wave band being greater than 1.1 μm is reflected on heat collector 7, is less than 1.1 μm of short-wave bands and is transmitted in lower photovoltaic panel 42, effectively avoids long wave be transmitted in lower photovoltaic panel 42 and make lower photovoltaic panel 42 overheated.Because heating effect is inevitable, have some to become heat in shortwave, then high power is gathered, cause photovoltaic module 4 inevitably to generate heat, and heating can cause photoelectric conversion efficiency low.Therefore, need to use cooling device 8 pairs of photovoltaic modulies 4 to cool.
The top layer of circular arc spectrum frequency divider 3 adopts vacuum coating technology, make between the spectral transmission of 0.38 ~ 1.1 μm to the lower surface of lower photovoltaic panel 42, the wave band photon being greater than 1.1 μm reflexes on heat collector 7, realize making the short-wave band of applicable photovoltaic generation be transmitted to photovoltaic module 4 surface, the long wave band being applicable to carrying out photo-thermal power generation reflexes on heat collector 7.
Circular arc spectrum frequency divider 3 designs should have high-transmission rate to shortwave, its transmissivity > 0.9, and should have high reflectance for all the other wave bands, its reflectivity > 0.9.Solar spectrum intermediate waves is transmitted to photovoltaic module 4 and carries out photovoltaic conversion power generation by circular arc spectrum frequency divider 3, and lower photovoltaic panel 42 accepts the sunlight shortwave after optically focused frequency division and produces electric energy.
In photovoltaic generation, different types of photovoltaic cell opto-electronic conversion response is interval different, response interval as silion cell is 400 ~ 1200nm, theoretical light thermal transition can reach 70%, gallium arsenide cells response interval is 400 ~ 900nm, theoretical light hot-cast socket can reach 50%, and GaInP/GaAs/Ge tri-junction photovoltaic battery response interval is 300 ~ 100nm, and the membrane coat of the circular arc spectrum frequency divider 3 therefore adopted also should have more the situation change of practical application.
Compared with prior art, its advantage is the utility model:
1) (response wave band as silion cell is 0.4 ~ 1.2 μm to the corresponding wave band of spectrum of the circular arc spectrum frequency divider 3 pairs of solar cells designed in the utility model, the response wave band of gallium arsenide cells is 0.4 ~ 0.9 μm) between the spectrum segment of 0.38 ~ 1.1 μm, there is high-transmission rate, to other wave band, there is high reflectance, therefore photovoltaic generation is carried out by utilizable for photovoltaic module 4 wavelength region to photovoltaic module 4, and carry out photothermal deformation by being unfavorable for that the wave band of photovoltaic generation reflexes on heat collector 7, avoid photovoltaic module 4 overheated while also heated tube fluid.
2) the utility model is owing to adopting the speculum with slight radian be in tilted layout, the width of the reverberation of each first secondary mirror 2 should be less than or equal to frequency divider width, by reasonable Arrangement just secondary mirror 2 and regulate the angle of inclination of just secondary mirror 2 to make refracted ray be evenly superposition on photovoltaic module 4 surface, ensure that the uniformity that photovoltaic module 4 surface energy flux density distributes.Considering the optical parallax such as evenness, concentrator tracking error of angle of incident light, first secondary mirror 2 heeling error, minute surface, estimating that roughly photovoltaic module 4 surface energy flux density obtained is still up to 0.96, being applicable to the work of photovoltaic module 4.Compared to the technology of existing employing tabular spectrum frequency divider, the sunlight of circular arc spectrum frequency divider 3 transmission that the utility model adopts is more, energy-flux density on photovoltaic module 4 is higher, therefore, under photovoltaic module 4 adopts situation of the same area, circular arc spectrum frequency divider 3 of the present utility model is transmitted to the higher of energy-flux density more flat spectrum frequency divider on photovoltaic module 4, can produce higher energy output.Otherwise if will make electricity photovoltaic module 4 producing identical capacity, then the area of the utility model photovoltaic module 4 of adopting circular arc spectrum frequency divider 3 to adopt tabular spectrum frequency divider to adopt than prior art is smaller, contributes to saving material.
3) the utility model utilizes photovoltaic module 4 and arc-shaped frequency divider to form a semiclosed chamber 9, is fully absorbed after the Taiyang channel entered in semiclosed chamber 9 can be made to cross multiple reflections by photovoltaic module 4, improves photoelectric conversion efficiency.
4) selection in the utility model is connected with PID temperature control device on photovoltaic module 4, regulate photovoltaic module 4 working temperature, make photovoltaic module 4 be in optimum working temperature, avoid the surperficial problems of excessive heat of photovoltaic module 4, the operation normally and efficiently of photovoltaic panel 41 and lower photovoltaic panel 42 in guarantee.
5) in the utility model, photovoltaic module 4 have employed photovoltaic panel 41 and lower photovoltaic panel 42 and two side shields 43 and forms cooling air passage 40, and cooling device 8 ventilates and carries out air cooling to photovoltaic module 4 in cooling air passage 40; Upper photovoltaic panel 41 directly can utilize the solar energy irradiated on it, and the utilance of sunlight is improved.
6) adopt secondary reflection mode in the utility model, the first secondary mirror 2 of employing and again speculum 6 pairs of sunlights reflect; First secondary mirror 2, again speculum 6 and heat collector 7 are all that near-earth is installed, and are convenient to the installation and maintenance of heat collector 7, provide cost savings; And have certain altitude apart from ground due to first secondary mirror 2 and heat collector 7, sun direct projection can be blocked, reduce ground moisture evaporation, be conducive to ground vegetation growth, particularly desert or Gobi Region had to the effect realizing local greening.
To sum up, optically focused frequency splitting technology is adopted to carry out different application practice to different-waveband in solar energy in the utility model, while maintenance photovoltaic module 4 high efficiency photoelectric conversion, the temperature of the working medium of heating in heat collector 7 also can be utilized to carry out photo-thermal power generation, improve Solar use efficiency; Adopt circular arc spectrum frequency divider 3 and lower photovoltaic panel 42 to form semiclosed chamber 9, improve the absorptivity of transmitted ray; Adopt cooling air passage 40, temperature to control and cooling device 8, in guarantee, photovoltaic panel 41 and the efficient normal of lower photovoltaic panel 42 run; Speculum 6 and heat collector 7 are arranged on the position apart from ground certain altitude again, are convenient to install and safeguard, reduce costs, promote vegetation growth.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. the high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient, comprise support (1) and cooling device (8), described support (1) is provided with just secondary mirror (2), circular arc spectrum frequency divider (3), photovoltaic module (4), again secondary mirror (6) and heat collector (7), it is characterized in that: wherein
First secondary mirror (2), is inclined relative to horizontal layout, for reflected sunlight;
Circular arc spectrum frequency divider (3), it is opening up, for receiving the sunlight of the upper reflection of just secondary mirror (2) and carrying out transmittance and reflectance;
Photovoltaic module (4), be positioned at the top of circular arc spectrum frequency divider (3), sunlight for receiving circular arc spectrum frequency divider (3) transmission carries out photovoltaic generation, it covers and above all contacts cooling device (8) with the two edges of circular arc spectrum frequency divider (3) upper end at circular arc spectrum frequency divider (3), cools for ventilating to photovoltaic module (4);
Secondary mirror (6) again, carries out secondary reflection again for the sunlight reflected by circular arc spectrum frequency divider (3);
Heat collector (7), is positioned at directly over secondary mirror (6) again, carries out photo-thermal power generation for receiving sunlight that circular arc spectrum frequency divider (3) reflects and receiving the sunlight that secondary mirror (6) reflects again.
2. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 1, it is characterized in that: photovoltaic module (4) comprises photovoltaic panel (41) and lower photovoltaic panel (42), lower photovoltaic panel (42) covers and above all contacts with the two edges of circular arc spectrum frequency divider (3) upper end at circular arc spectrum frequency divider (3), upper photovoltaic panel (41) can directly utilize the sunlight of irradiation to carry out photovoltaic generation, and the sunlight that lower photovoltaic panel (42) can accept circular arc spectrum frequency divider (3) transmission carries out photovoltaic generation.
3. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 1, it is characterized in that: also comprise PID temperature control device, it is connected on photovoltaic module (4), for detecting the temperature of photovoltaic module (4) and sending air-supply regulation and control instruction to cooling device (8).
4. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 3, it is characterized in that: described PID temperature control device comprises multiple temperature sensor (5), the plurality of temperature sensor (5) is arranged along the longitudinal direction of photovoltaic module (4).
5. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 1, it is characterized in that: described photovoltaic module (4) comprises photovoltaic panel (41) and lower photovoltaic panel (42), lower photovoltaic panel (42) covers and above all contacts with the two edges of circular arc spectrum frequency divider (3) upper end at circular arc spectrum frequency divider (3), multiple perpendicular baffle plate (43) is provided with between upper photovoltaic panel (41) and lower photovoltaic panel (42), upper photovoltaic panel (41), perpendicular baffle plate (43) and lower photovoltaic panel (42) form a cooling air passage (40) jointly, described cooling device (8) ventilates thus cools photovoltaic module (4) in cooling air passage (40).
6. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 1, is characterized in that: described heat collector (7) is electron tubes type solar collector.
7. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 1, it is characterized in that: heat collector (7) is positioned at immediately below circular arc spectrum frequency divider (3), to receive the sunlight that circular arc spectrum frequency divider (3) reflects.
8. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 1, it is characterized in that: described just secondary mirror (2) comprises left just secondary mirror (2) and the right side just secondary mirror (2), left first secondary mirror (2) and the right side just secondary mirror (2) lay respectively at lower left and the lower right of circular arc spectrum frequency divider (3), and circular arc spectrum frequency divider (3) receives the sunlight that the first secondary mirror (2) of left just secondary mirror (2) and the right side reflects.
9. a kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient according to claim 1, it is characterized in that: described just secondary mirror (2) comprises mirror main body (21) and the one-body molded globoidal mirror (22) at mirror main body (21) two ends respectively, mirror main body (21) is level crossing, and mirror main body (21) angle is with respect to the horizontal plane 1 ~ 40 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420701839.3U CN204216824U (en) | 2014-11-20 | 2014-11-20 | A kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420701839.3U CN204216824U (en) | 2014-11-20 | 2014-11-20 | A kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient |
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| CN204216824U true CN204216824U (en) | 2015-03-18 |
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| CN201420701839.3U Expired - Fee Related CN204216824U (en) | 2014-11-20 | 2014-11-20 | A kind of high-effective concentration Blast Furnace Top Gas Recovery Turbine Unit (TRT) utilized based on solar energy gradient |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467630A (en) * | 2014-11-20 | 2015-03-25 | 华中科技大学 | Efficient light condensation power generating device based on solar gradient utilization |
| CN109687823A (en) * | 2019-01-24 | 2019-04-26 | 上海电力学院 | The solar cogeneration condenser utilized based on spectral |
| CN110572124A (en) * | 2019-09-16 | 2019-12-13 | 北京大学深圳研究生院 | Concentrating solar power generation device based on double-loop cooling |
-
2014
- 2014-11-20 CN CN201420701839.3U patent/CN204216824U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467630A (en) * | 2014-11-20 | 2015-03-25 | 华中科技大学 | Efficient light condensation power generating device based on solar gradient utilization |
| CN109687823A (en) * | 2019-01-24 | 2019-04-26 | 上海电力学院 | The solar cogeneration condenser utilized based on spectral |
| CN110572124A (en) * | 2019-09-16 | 2019-12-13 | 北京大学深圳研究生院 | Concentrating solar power generation device based on double-loop cooling |
| CN110572124B (en) * | 2019-09-16 | 2021-07-27 | 北京大学深圳研究生院 | Concentrating solar power generation device based on double-loop cooling |
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