CN204923497U - Dish formula solar energy collection utilizes system - Google Patents
Dish formula solar energy collection utilizes system Download PDFInfo
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- CN204923497U CN204923497U CN201520603393.5U CN201520603393U CN204923497U CN 204923497 U CN204923497 U CN 204923497U CN 201520603393 U CN201520603393 U CN 201520603393U CN 204923497 U CN204923497 U CN 204923497U
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- concentrator
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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
- Y02E10/47—Mountings or tracking
Abstract
The utility model discloses a dish formula solar energy collection utilizes system. Utilize the device including dish formula solar concentrator, solar collector, sun tracking control device, stand and thermal energy conversion, dish formula solar concentrator is partly supported by the first and second spotlight ware supports, and solar collector fixes the focus department at dish formula solar concentrator through the first and second heat collector supports, first spotlight ware support communicates with the both ends of first heat collector support, and second spotlight ware support communicates with the both ends of second heat collector support, the stand is fixed subaerial, is equipped with first and second transmission path in the stand, first heat collector support, first spotlight ware support and a transmission path constitute cold working medium's transmission path, and second heat collector support, second spotlight ware support and the 2nd transmission path constitute hot working medium's transmission path. The simple structure of this system, with low costs, the reliability is high, and the scale application that utilizes for dish formula solar thermal energy provides probably.
Description
Technical field
The utility model belongs to solar energy utilization technique field, more specifically, relates to a kind of disc type solar energy collection heat utilization system.
Background technology
The energy is the important foundation of socio-economic development, traditional fossil energy is non-renewable because of it, its extensive consumption can cause the available fossil energy of the mankind day by day exhausted, and fossil energy utilizes environmental problem serious threat caused in process the survival and development of the mankind.Develop reproducible clean energy resource and become the only way solving energy crisis.Solar energy because it is widely distributed, the amount of accumulateing is huge, free use and the advantage such as free from environmental pollution, having huge development prospect compared with other regenerative resources, is the important development direction that future source of energy utilizes.
The Main way that solar energy heating utilizes is solar energy thermal-power-generating.Compared with photovoltaic generation, solar energy thermal-power-generating has that efficiency is high, cost is low, production process is to advantages such as ambient influnence are little.According to different heat engine operation principles, the thermodynamic cycle that electricity generation system can adopt has: Rankine cycle (steam turbine), Brayton cycle (gas turbine) and Stirling cycle (Stirling engine).According to different spot mode, current solar heat power generation system mainly can be divided into slot type, tower and dish-style.In Dish solar thermal power system, main employing is Stirling cycle.Need water hardly in the dish-style Stirling electricity generation system course of work, generating efficiency can reach more than 30%.Compared to the solar heat power generation system of other types, the generating of disc type solar energy heat have applying flexible, focusing ratio that floor space is little, higher, efficiency high, be convenient to the advantage such as modularization assembling and composition hybrid power system.
The chief component of Dish solar thermal power system is: dish-style concentrator, solar thermal collector, thermal power transfer utilize device and solar tracking control system.Its operation principle is: low-density sunshine is gathered in its focus place by the concentrator of dish-style, and the solar thermal collector being arranged at focus place absorbs the solar energy of high-energy-density and transfers heat to Stirling engine, and then drives electrical power generators.
In traditional Dish solar thermal power system, the process that thermal power transfer utilizes device (Stirling engine) and solar thermal collector to be combined as a whole to be installed on dish-style concentrator focus place to complete solar energy heating and power conversion to utilize.Although this design thermal loss is little, structure is more compact, bring following problem: thermal power transfer utilizes the decentralized layout of device to limit its single-machine capacity simultaneously; This kind of modular arrangement is only applicable to the small-scale application of solar energy, should not extend to the scale application of solar energy; Solar thermal collector, concentrator and column support load are large, and supporting construction is complicated, cost increases; Thermal power transfer utilizes device strong to incident sunlight interference; Electrical wiring and complicated layout etc.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of disc type solar energy collection heat utilization system, and its structure is simple, and cost is low, and reliability is high, for the scale application of disc type solar energy heat utilization provides possibility.
For achieving the above object, the utility model provides a kind of disc type solar energy collection heat utilization system, it is characterized in that, comprises disc type solar energy concentrator, solar thermal collector, solar tracking control device, column and thermal power transfer and utilizes device; Described disc type solar energy concentrator is provided with the first concentrator support and the second concentrator support, for supporting described disc type solar energy concentrator, described solar thermal collector is fixed on the focus place of described disc type solar energy concentrator by the first collector bracket and the second collector bracket; Described first concentrator support, described second concentrator support, described first collector bracket and described second collector bracket are the pipeline configuration of hollow, the two ends of described first concentrator support are communicated with the two ends of described first collector bracket respectively, and the two ends of described second concentrator support are communicated with the two ends of described second collector bracket respectively; Described column vertically fixes on the ground, and described solar tracking control device is arranged on the back side of described disc type solar energy concentrator, is arranged on described column; Described thermal power transfer utilizes device to be installed on ground, is separated with described solar thermal collector; The first transmission channel and the second transmission channel is provided with in described column, the upper end of described first transmission channel is communicated with the middle part of described first concentrator support, lower end connects described thermal power transfer by circulating pump and utilizes device, the upper end of described second transmission channel is communicated with the middle part of described second concentrator support, and lower end connects described thermal power transfer and utilizes device; Described first collector bracket, described first concentrator support and described first transmission channel form the transmission channel of cold working media, and described second collector bracket, described second concentrator support and described second transmission channel form the transmission channel of thermodynamic medium; Described system utilizes the transmission channel of described cold working media and the transmission channel of described thermodynamic medium to complete transmission and the conversion of solar energy.
Preferably, the middle part of described first concentrator support is connected by flexible pipe with described first transmission channel, and the middle part of described second concentrator support is connected by flexible pipe with described second transmission channel; Wherein, the described middle part of the second concentrator support and the interface of flexible pipe are provided with header, the thermodynamic medium flowed out by described second concentrator support enters described second transmission channel after described header mixes, described header, for reducing the thermal deviation of working media, makes the heat absorption of working media and mobile performance be optimized and raising.
Preferably, described first concentrator support, described second concentrator support, described first collector bracket are identical with described second heat collector bracket structure, include stainless steel tube and cover the polyurethane thermal insulation layer of described stainless steel pipe surface, to guarantee good sealing property and heat-insulating property.
Preferably, described first concentrator support is connected respectively by heat insulation elbow with the two ends of described first collector bracket, described second concentrator support is connected respectively by heat insulation elbow with the two ends of described second collector bracket, described heat insulation elbow comprises stainless steel tube and covers the polyurethane thermal insulation layer of described stainless steel pipe surface, to ensure that the transmission channel of working media has good sealing property and heat-insulating property.
Preferably, described first transmission channel and described second transmission channel are fixed in described column, are provided with heat insulation layer therebetween.
In general, the above technical scheme conceived by the utility model compared with prior art, has following beneficial effect:
1, thermal power transfer utilized device to be arranged at ground to be separated with solar thermal collector, the load on the one hand collector bracket, concentrator support and column being born reduces, and support and pillar construction become simple, and material usage reduces, and cost reduces; On the other hand the driving force required for solar tracking control device is reduced, and then the investment of solar tracking controlling organization is reduced.
2, thermal power transfer utilizes device to be no longer arranged on solar thermal collector, the wind loading rating of disc type solar energy collection heat utilization system is strengthened, improve its survival ability under harsh weather, simultaneously, thermal power transfer utilizes the interference of device to incident sunlight to weaken, and the light gathering of disc type solar energy concentrator is strengthened, improves the utilization rate to solar energy, in addition, also simplify electrical wiring and layout that thermal power transfer utilizes device.
3, collector bracket and concentrator support are redesigned, make it simultaneously as the transmission channel of hot and cold working medium, reach the object of one-object-many-purposes, can material usage be reduced, reduce and produce installation cost.
4, first and second transmission channel is arranged in column the effect can not only played part and support, and can also reduce convection heat losses and the corrosion failure of pipeline, makes compact conformation facilitate modularization to install.
5, the working media through multiple dish-style light-focusing heat-collecting device heats is easier to pool together, be conducive to the solar energy of acquisition to pass to heat-storage medium on the one hand, overcoming general disc type solar energy collection heat utilization system can not the shortcoming of energy storage, also be easier to same auxiliary fuel system combine, improve the reliability of disc type solar energy collection heat utilization system; Be conducive to driving powerful thermal power transfer to utilize device on the other hand, improve the utilization rate to solar energy, for the scale application of disc type solar energy heat utilization provides possibility.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dish-style light-focusing heat-collecting assembly of the utility model embodiment;
Fig. 2 is the structural representation of the disc type solar energy collection heat utilization system of the utility model embodiment;
Fig. 3 is column internal pipe arrangements figure.
In all of the figs, identical Reference numeral is used for representing identical element or structure, wherein: 1-solar thermal collector, 2-disc type solar energy concentrator, 3-first collector bracket, 4-second collector bracket, 5-first concentrator support, 6-second concentrator support, 7-column, 8-solar tracking control device, 9-header, 10-first transmission channel, 11-second transmission channel, 12-heat insulation layer, 13-flexible pipe, 14-circulating pump, 15-thermal power transfer utilizes device.
Detailed description of the invention
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 embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
The utility model breaches thermal power transfer in traditional disc type solar energy collection heat utilization system and utilizes the layout of device and working medium transmission channel; creatively give solar thermal collector support, dish-style concentrator support and column new function; disclose a kind of novel solar energy heating and utilize system, reach cost-saving, that disc type solar energy thermal-arrest utilizes system modular assembling and scale application object.
The disc type solar energy collection heat utilization system of the utility model embodiment comprises disc type solar energy concentrator 2, solar thermal collector 1, solar tracking control device 8, column 7 and thermal power transfer and utilizes device 15.Disc type solar energy concentrator 2 is designed to paraboloid of revolution shape, and mirror ultrafinish bright and clean employing silvered glass back side mirror, is assembled by tens arc mirrors.Disc type solar energy concentrator 2 adopts machanical fastener that eyeglass and whole card are formed continuous and complete shell minute surface disk body.
As shown in Figure 1, disc type solar energy concentrator 2 is provided with the first concentrator support 5 and the second concentrator support 6, for supporting described disc type solar energy concentrator, the first concentrator support 5 and the arrangement in right-angled intersection of the second concentrator support 6.Solar thermal collector 1 is fixed on the focus place of disc type solar energy concentrator 2 by the first collector bracket 3 and the second collector bracket 4, the first collector bracket 3 and the arrangement in right-angled intersection of the second collector bracket 4.First concentrator support 5, second concentrator support 6, first collector bracket 3 and the second collector bracket 4 are the pipeline configuration of hollow, first concentrator support 5 and the first collector bracket 3 just right, the two ends of the first concentrator support 5 are communicated with the two ends of the first collector bracket 3 respectively, second concentrator support 6 and the second collector bracket 4 just right, the two ends of the second concentrator support 6 are communicated with the two ends of the second collector bracket 4 respectively.It should be noted that the size of concentrator support in Fig. 1 is less than collector bracket, only in order to clearly indicate each supporting structure, should not form the restriction to stent size.
As shown in Figure 2, column 7 vertically fixes on the ground, and solar tracking control device 8 is arranged on the back side of disc type solar energy concentrator 2, is arranged on column 7, assembles solar energy for the position adjusting disc type solar energy concentrator 2 in real time more expeditiously to make it.Thermal power transfer utilizes device 15 to be installed on ground, is separated with solar thermal collector.The first transmission channel 10 and the second transmission channel 11 is provided with in column 7, the upper end of the first transmission channel 10 is communicated with the middle part of the first concentrator support 5, lower end connects thermal power transfer by circulating pump 14 and utilizes device 15, the upper end of the second transmission channel 11 is communicated with the middle part of the second concentrator support 6, and lower end connects thermal power transfer and utilizes device 15.First collector bracket 3, first concentrator support 5 and the first transmission channel 10 form the transmission channel of cold working media, and the second collector bracket 4, second concentrator support 6 and the second transmission channel 11 form the transmission channel of thermodynamic medium.
As shown in Figure 3, the first transmission channel 10 and the second transmission channel 11 are fixed by welding in column 7, are provided with heat insulation layer 12 therebetween.Apparently, the first transmission channel 10 and the second transmission channel 11 are arranged in column 7 and the layout of whole system can be made more compact, are convenient to the modularization assembling collecting heat utilization system, and can reduce the thermal loss in working media flow process.First transmission channel 10 and the second transmission channel 11 can also play part supporting role.
During work, disc type solar energy concentrator 2 by solar light focusing on solar thermal collector 1.After cold working media enters the first concentrator support 5 by the first transmission channel 10 points of two-way under the effect of circulating pump 14, the first collector bracket 3 is entered respectively by the two ends of the first concentrator support 5, entered the low-temperature end of solar thermal collector 1 again by the first collector bracket 3, after collecting the solar energy of the high-energy-density that solar thermal collector 1 absorbs with solar thermal collector 1 heat exchange, become thermodynamic medium; Thermodynamic medium is divided into after two-way enters the second collector bracket 4, the second concentrator support 6 is entered respectively by the two ends of the second collector bracket 4, enter the second transmission channel 11 by the second concentrator support 6 again, finally heat is passed to and becomes cold working media after thermal power transfer utilizes device 15 and enter the first transmission channel 10.So move in circles, the solar energy of the high-energy-density of absorption is passed to thermal power transfer by working media and utilizes device 15 by solar thermal collector 1, utilizes device 15 to fully utilize by thermal power transfer.Ensure that the flowing velocity of working media meets the requirement that thermal power transfer utilizes device 15 pairs of working medias by circulating pump 14.
First collector bracket 3, second collector bracket 4, first concentrator support 5 and the second concentrator support 6 are passive while, also double as the transmission channel of cold and hot working media, reach the object of one-object-many-purposes, can material usage be reduced, reduce and produce installation cost.First concentrator support 5 and the second concentrator support 6 are parabola shaped along the parabola design of disc type solar energy concentrator 2, form entirety by welding and other support section of disc type solar energy concentrator 2.
First collector bracket 3, second collector bracket 4, first concentrator support 5 is identical with the second concentrator support 6 structure, include SS-316L type stainless steel tube and cover the polyurethane thermal insulation layer of SS-316L type stainless steel pipe surface, to guarantee good sealing property and heat-insulating property.The two ends of the first collector bracket 3 and the first concentrator support 5 are connected respectively by the heat insulation elbow of proper angle, the two ends of the second collector bracket 4 and the second concentrator support 6 are connected respectively by the heat insulation elbow of proper angle, heat insulation elbow comprises SS-316L type stainless steel tube and covers the polyurethane thermal insulation layer of SS-316L type stainless steel pipe surface, to ensure that the transmission channel of working media has good sealing property and heat-insulating property.
The middle part of the first concentrator support 5 is all connected by flexible pipe 13 with the second transmission channel 11 with the middle part of the first transmission channel 10 and the second concentrator support 6, wherein, the middle part of the second concentrator support 6 and the interface of flexible pipe are provided with header 9, and the thermodynamic medium flowed out by the second concentrator support 6 enters the second transmission channel 11 after header 9 mixes.The acting as of header 9 herein: the thermal deviation reducing working media, makes the performances such as the heat absorption of working media and flowing be optimized and raising.
Obvious, the reflectorized material of disc type solar energy concentrator also can select reflective better through anodised rafifinal.Preferably, solar thermal collector 1 selects common cavity heat collector, and internal layer increases heat-insulating material to improve its heat-insulating property, and outer material is stainless steel.For forming the circulation canal of working media, solar thermal collector 1 should be reserved the interface of working media transmission channel and ensure that interface has good sealing property.The heat-absorbent surface of solar thermal collector 1 should scribble selective coating to increase absorptance, raises the efficiency.
In actual application, can the dish-style light-focusing heat-collecting assembly of or connect multiple described in the utility model disc type solar energy heat utilization device in parallel according to energy requirement to reach the object of disc type solar energy system scaleization application.A large amount of heat energy that working media obtains not only can directly store but also may be used for heat supply or other heat energy utilizations, stirling generator group can be driven to generate electricity, also can form hybrid power system etc. with other conventional power generating systems.
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 domain of the present utility model.
Claims (5)
1. a disc type solar energy collection heat utilization system, is characterized in that, comprises disc type solar energy concentrator, solar thermal collector, solar tracking control device, column and thermal power transfer and utilizes device;
Described disc type solar energy concentrator is provided with the first concentrator support and the second concentrator support, for supporting described disc type solar energy concentrator, described solar thermal collector is fixed on the focus place of described disc type solar energy concentrator by the first collector bracket and the second collector bracket; Described first concentrator support, described second concentrator support, described first collector bracket and described second collector bracket are the pipeline configuration of hollow, the two ends of described first concentrator support are communicated with the two ends of described first collector bracket respectively, and the two ends of described second concentrator support are communicated with the two ends of described second collector bracket respectively;
Described column vertically fixes on the ground, and described solar tracking control device is arranged on the back side of described disc type solar energy concentrator, is arranged on described column; Described thermal power transfer utilizes device to be installed on ground, is separated with described solar thermal collector; The first transmission channel and the second transmission channel is provided with in described column, the upper end of described first transmission channel is communicated with the middle part of described first concentrator support, lower end connects described thermal power transfer by circulating pump and utilizes device, the upper end of described second transmission channel is communicated with the middle part of described second concentrator support, and lower end connects described thermal power transfer and utilizes device; Described first collector bracket, described first concentrator support and described first transmission channel form the transmission channel of cold working media, and described second collector bracket, described second concentrator support and described second transmission channel form the transmission channel of thermodynamic medium; Described system utilizes the transmission channel of described cold working media and the transmission channel of described thermodynamic medium to complete transmission and the conversion of solar energy.
2. disc type solar energy collection heat utilization system as claimed in claim 1, it is characterized in that, the middle part of described first concentrator support is connected by flexible pipe with described first transmission channel, and the middle part of described second concentrator support is connected by flexible pipe with described second transmission channel; Wherein, the described middle part of the second concentrator support and the interface of flexible pipe are provided with header, and the thermodynamic medium flowed out by described second concentrator support enters described second transmission channel after described header mixes.
3. disc type solar energy collection heat utilization system as claimed in claim 1 or 2, it is characterized in that, described first concentrator support, described second concentrator support, described first collector bracket are identical with described second heat collector bracket structure, include stainless steel tube and cover the polyurethane thermal insulation layer of described stainless steel pipe surface.
4. disc type solar energy collection heat utilization system as claimed in claim 3, it is characterized in that, described first concentrator support is connected respectively by heat insulation elbow with the two ends of described first collector bracket, described second concentrator support is connected respectively by heat insulation elbow with the two ends of described second collector bracket, and described heat insulation elbow comprises stainless steel tube and covers the polyurethane thermal insulation layer of described stainless steel pipe surface.
5. disc type solar energy collection heat utilization system as claimed in claim 1 or 2, it is characterized in that, described first transmission channel and described second transmission channel are fixed in described column, are provided with heat insulation layer therebetween.
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| CN201520603393.5U CN204923497U (en) | 2015-08-12 | 2015-08-12 | Dish formula solar energy collection utilizes system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042891A (en) * | 2015-08-12 | 2015-11-11 | 华中科技大学 | Disk type solar heat collection utilization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042891A (en) * | 2015-08-12 | 2015-11-11 | 华中科技大学 | Disk type solar heat collection utilization system |
| CN105042891B (en) * | 2015-08-12 | 2016-11-30 | 华中科技大学 | A kind of disc type solar energy collection heat utilization system |
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