CN204963241U - Slope axle linear tracking solar energy spotlight heating device - Google Patents
Slope axle linear tracking solar energy spotlight heating device Download PDFInfo
- Publication number
- CN204963241U CN204963241U CN201520602842.4U CN201520602842U CN204963241U CN 204963241 U CN204963241 U CN 204963241U CN 201520602842 U CN201520602842 U CN 201520602842U CN 204963241 U CN204963241 U CN 204963241U
- Authority
- CN
- China
- Prior art keywords
- solar energy
- tracking solar
- heat
- linearity
- light gathering
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a slope axle linear tracking solar energy spotlight heating device, the device include the height -adjustable base and are fixed in the linear tracking solar energy spotlight thermal -arrest cellular array on the height -adjustable base, linear tracking solar energy spotlight thermal -arrest cellular array includes multiunit linear tracking solar energy spotlight thermal -arrest unit, and every group linear tracking solar energy spotlight thermal -arrest unit includes the linear tracking solar energy spotlight thermal -arrest unit of a plurality of series connections, linear tracking solar energy spotlight thermal -arrest cellular array can change the height of arbitrary one end under the drive of height -adjustable base, the utility model discloses can realize that linear tracking solar energy spotlight thermal -arrest field becomes the high -efficient spotlight thermal -arrest of irradiation.
Description
Technical field
The utility model belongs to solar energy light gathering and heat collecting technical field, is specifically related to the linear tracking solar light-condensing and heat-collecting device of a kind of sloping shaft.
Background technology
Due to the discontinuous instability of solar irradiation, solar heat power generation system is run through off-design operating mode of being everlasting, causes the clean generating efficiency of solar energy offset peak efficiency far away when becoming irradiation, thus cause the annual efficiency of solar energy thermal-power-generating low.Therefore, the light and heat collection efficiency how improved when becoming irradiation is the core of solar energy thermal-power-generating technical research.
Traditional linearity tracking solar energy light gathering and heat collecting system adopts uniaxial horizontal to follow the tracks of, as groove type solar concentrating collector and linear Fresnel formula solar concentrating collector, its tracking axis is horizontally disposed, change illuminated optical can be caused to lose large problem for middle high latitude area, therefore annual light and heat collection efficiency is low.
For realizing groove type solar collecting system double-axis tracking, one piece of groove type solar condenser is fixed on a moveable stand by Sandia National Laboratory of the U.S., and stand is by tracking means real-time tracking sunshine.Experimental result shows, tracking accuracy exists comparatively big error, and bench scale is little, cannot realize scale.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the purpose of this utility model is to provide a kind of sloping shaft linear tracking solar light-condensing and heat-collecting device, becomes irradiation high-effective concentration thermal-arrest to realize linearity tracking solar energy light gathering and heat collecting field.
For reaching above object, the utility model adopts following technical scheme:
The linear tracking solar light-condensing and heat-collecting device of a kind of sloping shaft, comprises height adjustable base 2 and is fixed on the linearity tracking solar energy light gathering and heat collecting cell array 1 on height adjustable base 2; Described linearity tracking solar energy light gathering and heat collecting cell array 1 comprises many group linearity tracking solar energy light gathering and heat collecting unit, often organizes linearity tracking solar energy light gathering and heat collecting unit and comprises multiple linearity tracking solar energy light gathering and heat collecting unit be connected in series; Described linearity tracking solar energy light gathering and heat collecting cell array 1 can change the height of any one end under the drive of height adjustable base 2.
Described height adjustable base 2 comprises fuel tank 2-1, the large piston 2-2 be connected with fuel tank 2-1 by fuel sucking pipe 2-7 and valve piston 2-3, the fuel sucking pipe 2-7 that valve piston 2-3 is connected with fuel tank 2-1 is provided with the first check valve 2-4, the fuel sucking pipe 2-7 that large piston 2-2 is connected with fuel tank 2-1 is provided with stop valve 2-5, large piston 2-2 with and the pipeline that is connected of valve piston 2-3 on be provided with the second check valve 2-6; Described linearity tracking solar energy light gathering and heat collecting unit is fixed on above large piston 2-2.
Described linearity tracking solar energy light gathering and heat collecting unit comprises linearity tracking condenser 1-1, thermal-collecting tube 1-2 and support 1-3, described linearity tracking condenser 1-1 is fixed on height adjustable base 2 by support 1-3, and described thermal-collecting tube 1-2 is fixed on the optically focused axis of parabolic trough type linearity tracking condenser 1-1; The thermal-collecting tube 1-2 of each linearity tracking solar energy light gathering and heat collecting unit is formed thermal-collecting tube loop by seamless being connected in series.
Described linearity tracking condenser 1-1 is parabolic trough type linearity tracking condenser or linear Fresnel formula linearity tracking condenser.
Compared to the prior art, tool has the following advantages the utility model:
1, the linear tracking solar light-condensing and heat-collecting device of sloping shaft that provides of the utility model and method, north-south height adjustable function can be realized at Different periods every day, change condenser aperture normal plane direction, thus reduce sunshine incident direction and the not parallel cosine losses caused of condenser aperture normal direction, make average annual light and heat collection efficiency improve about 7 percentage points.
2, the linear tracking solar light-condensing and heat-collecting device of sloping shaft that provides of the utility model and method, be applicable to global different latitude area and DIFFERENT METEOROLOGICAL CONDITIONS, according to different latitude, change the height of height adjustable base, thus change concentrating collector inclination angle, there is universality.
3, the linear tracking solar light-condensing and heat-collecting device of sloping shaft that provides of the utility model and method, can change the length of linearity tracking solar energy light gathering and heat collecting cell array, avoid its long one end excessive height caused.
4, the linear tracking solar light-condensing and heat-collecting device of sloping shaft that provides of the utility model and method, be applicable to dissimilar linearity tracking solar energy condenser lens, such as groove type solar condenser and linear Fresnel formula solar energy condenser lens.
Accompanying drawing explanation
Fig. 1 is the structural representation of the linear tracking solar light-condensing and heat-collecting device of the utility model sloping shaft.
Fig. 2 is the structural representation of height adjustable base.
Fig. 3 is the structural representation of linearity tracking solar energy light gathering and heat collecting unit.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the linear tracking solar light-condensing and heat-collecting device of a kind of sloping shaft of the utility model, comprises height adjustable base 2 and is fixed on the linearity tracking solar energy light gathering and heat collecting cell array 1 on height adjustable base 2; Described linearity tracking solar energy light gathering and heat collecting cell array 1 comprises many group linearity tracking solar energy light gathering and heat collecting unit, often organizes linearity tracking solar energy light gathering and heat collecting unit and comprises multiple linearity tracking solar energy light gathering and heat collecting unit be connected in series; Described linearity tracking solar energy light gathering and heat collecting cell array 1 can change the height of any one end under the drive of height adjustable base 2.
As shown in Figure 2, height adjustable base 2 comprises fuel tank 2-1, the large piston 2-2 be connected with fuel tank 2-1 by fuel sucking pipe 2-7 and valve piston 2-3, the fuel sucking pipe 2-7 that valve piston 2-3 is connected with fuel tank 2-1 is provided with the first check valve 2-4, the fuel sucking pipe 2-7 that large piston 2-2 is connected with fuel tank 2-1 is provided with stop valve 2-5, large piston 2-2 with and the pipeline that is connected of valve piston 2-3 on be provided with the second check valve 2-6; Described linearity tracking solar energy light gathering and heat collecting unit is fixed on above large piston 2-2.
As shown in Figure 3, linearity tracking solar energy light gathering and heat collecting unit comprises linearity tracking condenser 1-1, thermal-collecting tube 1-2 and support 1-3, described linearity tracking condenser 1-1 is fixed on height adjustable base 2 by support 1-3, and described thermal-collecting tube 1-2 is fixed on the optically focused axis of parabolic trough type linearity tracking condenser 1-1; The thermal-collecting tube 1-2 of each linearity tracking solar energy light gathering and heat collecting unit is formed thermal-collecting tube loop by seamless being connected in series.
As preferred embodiment of the present utility model, described linearity tracking condenser 1-1 is parabolic trough type linearity tracking condenser or linear Fresnel formula linearity tracking condenser.
As shown in Figure 1, the light gathering and heat collecting method of the linear tracking solar light-condensing and heat-collecting device of sloping shaft described above, Lift adjustable base 2, according to the change linear adjustment tracking solar light and heat collection cell array 1 two ends height of geographic location and sun altitude, linearity tracking solar energy light gathering and heat collecting cell array 1 to rotate around sloping shaft according to the change of solar incident angle follows the tracks of; Parabolic trough type linearity tracking condenser 1-1 reflecting focal sunshine, sunshine is reflexed to be positioned at parabolic trough type linearity tracking condenser 1-1 focal line place thermal-collecting tube 1-2 on, the heat-transfer fluid in heating thermal-collecting tube 1-2, thus the heat energy of heat-transfer fluid is utilized;
As shown in Figure 2, the method of described height adjustable base 2 linear adjustment tracking solar light and heat collection cell array 1 two ends height is: adopt electric drive or manually mention valve piston 2-3, valve piston 2-3 lower end oil pocket volume increases, form parital vacuum, at this moment the first check valve 2-4 opens, by fuel sucking pipe 2-7 oil suction from fuel tank 2-1; Firmly pressure valve piston 2-3, under valve piston 2-3, cavity pressure raises, first check valve 2-4 closes, second check valve 2-6 opens, fluid inputs the cavity of resorption of large piston 2-2 through pipeline, force large piston 2-2 to move up, large piston 2-2 and linearity tracking solar energy light gathering and heat collecting unit are connected, thus the support 1-3 of jack-up linearity tracking solar energy light gathering and heat collecting unit; When again mentioning valve piston 2-3 oil suction, the second check valve 2-6 closes automatically, and fluid can not be flow backwards, thus ensure that the support 1-3 of linearity tracking solar energy light gathering and heat collecting unit can not fall voluntarily; Constantly back and forth mention pressure valve piston 2-3, just constantly fluid can be pressed into the cavity of resorption of large piston 2-2, linearity tracking solar energy light gathering and heat collecting unit is little by little risen; If open stop valve 2-5, the fluid of large piston 2-2 cavity of resorption flows back to fuel tank 2-1 by pipeline, stop valve 2-5, and the support 1-3 of linearity tracking solar energy light gathering and heat collecting unit just moves down; Thus the height at linearity tracking solar energy light gathering and heat collecting cell array 1 two ends can be changed.
Embodiment
Here be described for groove type solar concentrating collector.Fig. 2 is sloping shaft linear tracking solar light-condensing and heat-collecting device schematic diagram.Solar energy heat-collection field selects LS-3 type trough type solar heat-collector, comprises parabolic trough type solar energy condenser lens and thermal-collecting tube, and cycle fluid is THERMINOLVP-1 model conduction oil.Conduction oil out temperature is respectively 276 ° and 292 DEG C.Heat collecting field carries out exchange heat by an oil water heat exchange device and Power island.Under the effect of circulating pump, conduction oil is transported to the slot light collection heat collector in each loop, and the radiant heat absorbed from the sun makes temperature raise gradually, after female manifold collection, enter expansion drum.If expansion drum outlet oil temperature, lower than the design heat-exchange temperature of heat exchanger, does not now carry out heat exchange, conduction oil is again pumped to concentrating collector and continues heating, until reach design heat-exchange temperature value; Under design conditions, expansion drum outlet oil temperature reaches design heat-exchange temperature, and start solar energy feed-water heater and Power island side of feed water and carry out heat exchange, heat exchanger exit oil temperature is down to circulation initial temperature, and continuation participation circulates next time.
Meteorological condition selects the data of Xinjiang of China area (latitude 44.1 ° of N), and annual sunshine time is 2719 ~ 3115 hours, and percentage of sunshine is 60% ~ 80%, and annual radiant all quality reaches 5430 ~ 6670MJm-2.Xinjiang region obtains from the SAM software that National Renewable Energy laboratory (NREL) develops in the annual meteorological data in typical meteorological year (TMY).
Table 1 is the average annual performance of sloping shaft linear tracking solar light-condensing and heat-collecting device.Through calculating, when tracking axis inclination angle is 15 degree, average annual cosine losses will drop to 10% from 17%, thus make average annual collecting efficiency rise to 59% from 52%.
Table 1 tilts the average annual performance of tracking axis groove type solar light-condensing and heat-collecting device
| Tracking axis inclination angle | Average annual cosine losses | Average annual collecting efficiency |
| 0° | 17.0％ | 52.3％ |
| 2° | 16.0％ | 53.3％ |
| 5° | 14.4％ | 54.8％ |
| 10° | 12.0％ | 57.2％ |
| 15° | 9.8％ | 59.5％ |
Claims (4)
1. the linear tracking solar light-condensing and heat-collecting device of sloping shaft, is characterized in that: comprise height adjustable base (2) and be fixed on the linearity tracking solar energy light gathering and heat collecting cell array (1) on height adjustable base (2); Described linearity tracking solar energy light gathering and heat collecting cell array (1) comprises many group linearity tracking solar energy light gathering and heat collecting unit, often organizes linearity tracking solar energy light gathering and heat collecting unit and comprises multiple linearity tracking solar energy light gathering and heat collecting unit be connected in series; Described linearity tracking solar energy light gathering and heat collecting cell array (1) can change the height of any one end under the drive of height adjustable base (2).
2. the linear tracking solar light-condensing and heat-collecting device of a kind of sloping shaft according to claim 1, it is characterized in that: described height adjustable base (2) comprises fuel tank (2-1), the large piston (2-2) be connected with fuel tank (2-1) by fuel sucking pipe (2-7) and valve piston (2-3), the fuel sucking pipe (2-7) that valve piston (2-3) is connected with fuel tank (2-1) is provided with the first check valve (2-4), the fuel sucking pipe (2-7) that large piston (2-2) is connected with fuel tank (2-1) is provided with stop valve (2-5), large piston (2-2) with and the pipeline that is connected of valve piston (2-3) on be provided with the second check valve (2-6), described linearity tracking solar energy light gathering and heat collecting unit is fixed on large piston (2-2) top.
3. the linear tracking solar light-condensing and heat-collecting device of a kind of sloping shaft according to claim 1, it is characterized in that: described linearity tracking solar energy light gathering and heat collecting unit comprises linearity tracking condenser (1-1), thermal-collecting tube (1-2) and support (1-3), described linearity tracking condenser (1-1) is fixed on height adjustable base (2) by support (1-3), and described thermal-collecting tube (1-2) is fixed on the optically focused axis of parabolic trough type linearity tracking condenser (1-1); The thermal-collecting tube (1-2) of each linearity tracking solar energy light gathering and heat collecting unit is formed thermal-collecting tube loop by seamless being connected in series.
4. the linear tracking solar light-condensing and heat-collecting device of a kind of sloping shaft according to claim 3, is characterized in that: described linearity tracking condenser (1-1) is parabolic trough type linearity tracking condenser or linear Fresnel formula linearity tracking condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520602842.4U CN204963241U (en) | 2015-08-11 | 2015-08-11 | Slope axle linear tracking solar energy spotlight heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520602842.4U CN204963241U (en) | 2015-08-11 | 2015-08-11 | Slope axle linear tracking solar energy spotlight heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204963241U true CN204963241U (en) | 2016-01-13 |
Family
ID=55058303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520602842.4U Active CN204963241U (en) | 2015-08-11 | 2015-08-11 | Slope axle linear tracking solar energy spotlight heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204963241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042893A (en) * | 2015-08-11 | 2015-11-11 | 中国华能集团清洁能源技术研究院有限公司 | Inclined-axis linear tracking solar concentrating and heat collection device and method |
-
2015
- 2015-08-11 CN CN201520602842.4U patent/CN204963241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042893A (en) * | 2015-08-11 | 2015-11-11 | 中国华能集团清洁能源技术研究院有限公司 | Inclined-axis linear tracking solar concentrating and heat collection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ju et al. | A review of concentrated photovoltaic-thermal (CPVT) hybrid solar systems with waste heat recovery (WHR) | |
| JP2008523593A5 (en) | ||
| EP2857775A1 (en) | Solar photo-thermal receiving device | |
| KR101997761B1 (en) | Combined solar thermal and photovoltaics system using hybird solar cell based on concentrated type and planar type | |
| KR101518243B1 (en) | Hybrid Type Collecting Solar Energy for Hot Water | |
| CN102867878A (en) | Combined heat and power generation photovoltaic photo-thermal component, combined heat and power generation system and photovoltaic power station | |
| CN202928124U (en) | Absorber fixed type fresnel lens solar linear condensing device | |
| CN205005013U (en) | Heat pipe formula spotlight photovoltaic light and heat integration cogeneration of heat and power device | |
| CN204963241U (en) | Slope axle linear tracking solar energy spotlight heating device | |
| Al-Chaaban et al. | Comparative study on photovoltaic and thermal solar energy concentrators | |
| CN202303978U (en) | Enhanced solar heat collecting device | |
| CN105042893A (en) | Inclined-axis linear tracking solar concentrating and heat collection device and method | |
| CN204166393U (en) | A kind of twin shaft parabolic type groove type solar thermal-arrest compare device | |
| Sharma et al. | Evacuated tube solar collector’s importance and innovations in wide range applications | |
| CN111464131B (en) | Wind-resistant anti-freezing high-concentration photovoltaic-photo-thermal solar comprehensive utilization system | |
| CN105577032A (en) | Unit type photoelectric-thermoelectric-hot water composite system by use of solar energy full spectrum | |
| CN208253984U (en) | Butterfly solar energy system | |
| CN105571156A (en) | Heat pipe type linear Fresnel concentrating photovoltaic photothermal integrated device | |
| CN206540327U (en) | A kind of high power concentrator type solar heat-preservation device | |
| KR20210066461A (en) | Parabolic trough concentrator type solar thermal energy system capable of tracking solar using temperature sensor | |
| CN2926929Y (en) | Solar focusing heat collector | |
| CN102759200A (en) | Solar power generating and water heating integrative machine | |
| CN211953294U (en) | System for tower light and heat spotlight solar collecting system provides heat transfer medium for SGS system | |
| CN212535954U (en) | Trough type solar ammonia heat collection power generation system | |
| CN220892592U (en) | Energy-saving solar vacuum tube heat collection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |