CN106839458A - A kind of solar thermal collector of high efficient antifreeze insulation - Google Patents
A kind of solar thermal collector of high efficient antifreeze insulation Download PDFInfo
- Publication number
- CN106839458A CN106839458A CN201710071867.XA CN201710071867A CN106839458A CN 106839458 A CN106839458 A CN 106839458A CN 201710071867 A CN201710071867 A CN 201710071867A CN 106839458 A CN106839458 A CN 106839458A
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- CN
- China
- Prior art keywords
- solar thermal
- thermal collector
- solution
- heat
- collector body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/70—Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S2080/01—Selection of particular materials
-
- 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
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The application is related to a kind of solar thermal collector of high efficient antifreeze insulation, including solar thermal collector body, the solar thermal collector body is that cavity is cylindric, characterized in that, the upper surface and both sides of the solar thermal collector body are sequentially provided with waterproof glass layer, insulator, solar panel and heat-collecting plate core.
Description
Technical field
The application is related to field of solar collectors, more particularly to the solar thermal collector that a kind of high efficient antifreeze is incubated.
Background technology
Solar thermal collector is to be converted into heat energy to heat supply for the sunshine for receiving sunlight and will be received
Equipment, existing heat collector is poor for the heat insulation effect of heat energy, easily causes thermal waste, inefficiency.
The content of the invention
The present invention is intended to provide a kind of solar thermal collector of high efficient antifreeze insulation, to solve problem set forth above.
A kind of solar thermal collector of high efficient antifreeze insulation, including solar thermal collector are provided in embodiments of the invention
Body, the solar thermal collector body is that cavity is cylindric, and the upper surface and both sides of the solar thermal collector body are sequentially provided with
Waterproof glass layer, insulator, solar panel and heat-collecting plate core；The solar thermal collector body lower end be provided with water inlet and
Delivery port, the solar thermal collector body exterior is additionally provided with solar panel.
Preferably, the insulator is interlayer structure, and centre is heat-insulating core, and insulating surface is provided with heat-insulating core upper and lower surface,
Heat-insulating core is the alumina aerogels containing porous particle, and the porous particle is made up of diatomite, vermiculite power mixing, insulating surface
It is the alumina aerogels containing fiber reinforcement phase, the fiber reinforcement is mutually alumina silicate fibre.
The technical scheme that embodiments of the invention are provided can include the following benefits：
In solar thermal collector of the invention, including waterproof glass layer, insulator, solar panel and heat-collecting plate core,
Insulator is set by surface and side wall, good heat insulation effect is served for the heat energy of heat collector, while the insulator
In alumina aerogels use oil shale waste slag be raw material prepare, the effect of twice laid can be played.
The aspect and advantage that the application is added will be set forth in part in the description, and will partly become from the following description
Substantially, or recognized by the practice of the application.It should be appreciated that the general description of the above and detailed description hereinafter are only
It is exemplary and explanatory, the application can not be limited.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but embodiment in accompanying drawing is not constituted to any limit of the invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to the following drawings
Other accompanying drawings.
Fig. 1 is the structural representation of solar thermal collector of the present invention.
Fig. 2 is the structural representation of insulator of the present invention 3.
Specific embodiment
Embodiments herein is related to a kind of solar thermal collector of high efficient antifreeze insulation, and the solar thermal collector is including too
Positive energy heat collector body 1, as shown in figure 1, the solar thermal collector body 1 is that cavity is cylindric, its upper surface and both sides are successively
Waterproof glass layer 2, insulator 3, solar panel 4 and heat-collecting plate core 5 are provided with, the lower end of solar thermal collector body 1 sets
There are water inlet 6 and delivery port 7, solar panel is additionally provided with outside the solar thermal collector body 1.
In the embodiment of the present application, the solar thermal collector body 1 improves thermal-arrest by setting insulator 3 and solar panel
The optical energy utilization efficiency of device, it is ensured that the Heat-collecting effect of heat collector.
Preferably, the insulator 3 is interlayer structure, as shown in Fig. 2 be heat-insulating core 31 in the middle of the insulator 3, in heat-insulating core
31 upper and lower surfaces are provided with insulating surface 32.
Preferably, it is the alumina aerogels containing fiber reinforcement phase in insulating surface 32, the fiber reinforcement is mutually silicon
Sour aluminum fiber, the alumina silicate fibre disperses in alumina aerogels substrate, due to the pliability of fiber, can produce certain increasing
Tough mechanism, increases the destroyed preceding energy for being absorbed of the alumina aerogels, and can play support and bridging effect, strengthens oxygen
Change the mechanical property of aluminium aeroge.
Preferably, be the alumina aerogels containing porous particle in heat-insulating core 31, the porous particle by diatomite,
Vermiculite power mixing is constituted, and the porous particle can be dispersed in the hole of alumina aerogels, strengthen its anti-pressure ability.
In the present embodiment, the insulator 3 mainly includes alumina aerogels, and alumina aerogels are a kind of nanometer scale
A kind of porous network configuration that colloidal particle aggregation is constituted, the network structure shows as unordered, dendritic, and its density is low, specific surface
Product is big, and thermal conductivity is smaller so that the alumina aerogels show good effect of heat insulation；On the other hand, alumina aerogels
Loose structure simultaneously the physical property of the aeroge can be caused poor, physical strength is relatively low, fragility is big, when it is applied to
When in the heat collector of application, because vibrations, collision etc. can cause insulator 3 to crush, effect of heat insulation reduction, this is all unfavorable in fact
Apply on border；And in the application, aluminium silicate fiber peacekeeping porous particle is with the addition of on the basis of alumina aerogels substrate, the fiber and
Particle is dispersed in the alumina aerogels as requested, and phase lap knot can simultaneously be bonded with the aeroge of surrounding, enhance the system
The mechanical property of product.
Preferably, in insulating surface 32, the alumina silicate fibre length is 2~4cm；In heat-insulating core 31, the porous particle
It is made up of diatomite, vermiculite power mixing, diatomite, the mass percent content of vermiculite power meet：
X=1.3y
Wherein, x is diatomite content, and y is vermiculite powder content, and 0.16≤x≤0.19.
Preferably, the alumina aerogels in herein described heat-insulating core 31 and insulating surface 32, the alumina aerogels
Raw material is oil shale waste slag, and oil shale is rich in kerogenic sedimentary rock for a kind of, and main component includes kaolinite in oil shale waste slag
Soil.
Preferably, the preparation process of the alumina aerogels of the application is：
Step 1, takes a certain amount of oil shale waste slag, is crushed, screened, and is then placed in 750 DEG C of Muffle kiln roasting
5h。
Step 2, waits the oil shale waste slag being calcined in top to be down to room temperature naturally, then by oil shale waste slag and sulfuric acid
(30wt.%) solution mixes by a certain percentage, and 5h, cooled and filtered are heated to reflux at being 95 DEG C in temperature after mixing.
Step 3, adds 20wt.%NaOH solution to reach 13 or so to adjust the pH value of solution in filter residue, enters again afterwards
Row is filtrated to get sodium aluminate solution.
Step 4, the sodium aluminate solution that will be obtained is adjusted using the hydrochloric acid solution of 1mol/L, regulation pH value 2~
3.5 or so, obtain AlCl3Solution.
Step 5, by AlCl3Solution is concentrated to 1mol/L, takes the AlCl of the 10ml 1mol/L3It is put into beaker, then adds again
Enter 10ml absolute ethyl alcohols, then magnetic agitation 25min adds 10ml expoxy propane, then magnetic force to stir under strong stirring
20min is mixed, is stood form it into gel for a period of time at room temperature.
Step 6, to the n-hexane that 50ml is added in gel obtained above, the beaker is placed in 65 DEG C of water-bath and is placed
, then be placed in gel in the hexane solution dissolved with silane coupler by 24h, and 30h is reacted at 50 DEG C, placed into after terminating just oneself
Soaked in alkane solution, then put it into and dry in baking oven 12h, then be warming up to 90 DEG C, dry 5h, obtain alumina aerogels.
In terms of the test effect of the application, following check experiment is done, wherein,
Experiment 1 is the solar thermal collector without insulator 3,
Experiment 2 is the solar thermal collector with insulator 3；Result such as following table；
| Experiment 1 | 54% |
| Experiment 2 | 100% |
In the application, under the conditions of identical external testing, solar thermal collector in experiment 2 of the definition with insulator 3
Effect of heat insulation be 100%, experiment 1 effect of heat insulation for relative test 1 ratio, therefrom it can be seen that, when without heat-insulated
During body 3, the effect of heat insulation of the solar thermal collector declines larger, effect of heat insulation decline.
Preferred mode of the invention is the foregoing is only, is not intended to limit the invention, it is all in spirit of the invention and former
Within then, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. a kind of solar thermal collector of high efficient antifreeze insulation, including solar thermal collector body, the solar thermal collector body
For cavity is cylindric, it is characterised in that the upper surface and both sides of the solar thermal collector body be sequentially provided with waterproof glass layer, every
Hot body, solar panel and heat-collecting plate core.
2. solar thermal collector according to claim 1, it is characterised in that the solar thermal collector body lower end is provided with
Water inlet and delivery port, the solar thermal collector body exterior are additionally provided with solar panel.
3. solar thermal collector according to claim 2, it is characterised in that the insulator is interlayer structure, centre be every
Hot core, insulating surface is provided with heat-insulating core upper and lower surface.
4. solar thermal collector according to claim 3, it is characterised in that heat-insulating core is the aluminum oxide containing porous particle
Aeroge, the porous particle is made up of diatomite, vermiculite power mixing, and insulating surface is the aluminum oxide airsetting containing fiber reinforcement phase
Glue, the fiber reinforcement is mutually alumina silicate fibre.
5. solar thermal collector according to claim 4, it is characterised in that the diatomaceous mass fraction is vermiculite power
1.3 times.
6. solar thermal collector according to claim 4, it is characterised in that the preparation process of the aluminum oxide is：
Step 1, takes a certain amount of oil shale waste slag, is crushed, screened, and is then placed in 750 DEG C of Muffle kiln roasting 5h.
Step 2, waits the oil shale waste slag being calcined in top to be down to room temperature naturally, then by oil shale waste slag and sulfuric acid
(30wt.%) solution mixes by a certain percentage, and 5h, cooled and filtered are heated to reflux at being 95 DEG C in temperature after mixing.
Step 3, adds 20wt.%NaOH solution to reach 13 or so to adjust the pH value of solution in filter residue, carries out again afterwards
Filter obtains sodium aluminate solution.
Step 4, the sodium aluminate solution that will be obtained is adjusted using the hydrochloric acid solution of 1mol/L, and regulation pH value is left 2~3.5
The right side, obtains AlCl3Solution.
Step 5, by AlCl3Solution is concentrated to 1mol/L, takes the AlCl of the 10ml 1mol/L3It is put into beaker, then adds
Then 10ml absolute ethyl alcohols, magnetic agitation 25min adds 10ml expoxy propane, then magnetic agitation under strong stirring
20min, stands form it into gel for a period of time at room temperature.
Step 6, to the n-hexane that 50ml is added in gel obtained above, the beaker is placed in 65 DEG C of water-bath and places 24h,
Then gel is placed in the hexane solution dissolved with silane coupler, 30h is reacted at 50 DEG C, it is molten to place into n-hexane after terminating
Soaked in liquid, then put it into and dry in baking oven 12h, then be warming up to 90 DEG C, dry 5h, obtain alumina aerogels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071867.XA CN106839458A (en) | 2017-02-09 | 2017-02-09 | A kind of solar thermal collector of high efficient antifreeze insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071867.XA CN106839458A (en) | 2017-02-09 | 2017-02-09 | A kind of solar thermal collector of high efficient antifreeze insulation |
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| Publication Number | Publication Date |
|---|---|
| CN106839458A true CN106839458A (en) | 2017-06-13 |
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| CN201710071867.XA Pending CN106839458A (en) | 2017-02-09 | 2017-02-09 | A kind of solar thermal collector of high efficient antifreeze insulation |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214983A (en) * | 2008-01-02 | 2008-07-09 | 吉林大学 | Method for preparing aluminum oxide from oil shale clinker |
| CN101249965A (en) * | 2008-04-02 | 2008-08-27 | 中国高岭土公司 | Method for preparing ultra-fine white carbon black and nano alumina by using kaolinite as raw material |
| JP2011126775A (en) * | 2009-12-15 | 2011-06-30 | Samsung Electronics Co Ltd | Hybrid porous material and method for producing the same |
| CN203432101U (en) * | 2013-08-29 | 2014-02-12 | 宁夏银晨太阳能科技有限公司 | Improved high-thermal-conductivity solar thermal collector |
| CN104528788A (en) * | 2014-12-22 | 2015-04-22 | 中国神华能源股份有限公司 | Method for preparing porous aluminum oxide aerogel |
-
2017
- 2017-02-09 CN CN201710071867.XA patent/CN106839458A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214983A (en) * | 2008-01-02 | 2008-07-09 | 吉林大学 | Method for preparing aluminum oxide from oil shale clinker |
| CN101249965A (en) * | 2008-04-02 | 2008-08-27 | 中国高岭土公司 | Method for preparing ultra-fine white carbon black and nano alumina by using kaolinite as raw material |
| JP2011126775A (en) * | 2009-12-15 | 2011-06-30 | Samsung Electronics Co Ltd | Hybrid porous material and method for producing the same |
| CN203432101U (en) * | 2013-08-29 | 2014-02-12 | 宁夏银晨太阳能科技有限公司 | Improved high-thermal-conductivity solar thermal collector |
| CN104528788A (en) * | 2014-12-22 | 2015-04-22 | 中国神华能源股份有限公司 | Method for preparing porous aluminum oxide aerogel |
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Application publication date: 20170613 |