CN107178772A - A kind of solar steam generation device of tri compound and its application - Google Patents
A kind of solar steam generation device of tri compound and its application Download PDFInfo
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- CN107178772A CN107178772A CN201710493523.8A CN201710493523A CN107178772A CN 107178772 A CN107178772 A CN 107178772A CN 201710493523 A CN201710493523 A CN 201710493523A CN 107178772 A CN107178772 A CN 107178772A
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- photothermal conversion
- thermal insulation
- insulation board
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Abstract
The present invention relates to a kind of solar steam generation device of tri compound and its application, the device includes water container, photothermal conversion film, thermal insulation board and aqueduct, water is housed in water container, thermal insulation board is integrally located above the water surface or only bottom is immersed in the water, photothermal conversion film is located at the top of thermal insulation board or is covered in the outer surface on thermal insulation board top, aqueduct is some capillaries for inserting thermal insulation board, and its lower ending opening is immersed in the water, and upper end open comes close to or in contact with photothermal conversion film.Advantage is, introduce thermal insulation board and capillary, water is sent to photothermal conversion film by capillary automatically, thermal insulation board isolates high temperature photothermal conversion film with low temperature water body, its heat transfer is blocked to reduce heat waste, the heat of photothermal conversion generation has obtained effective utilization, is equal to and improves photothermal conversion efficiency；Its unique structure and simple, photothermal conversion efficiency high, have larger commercial value and application prospect in fields such as solar power generation, desalinization and sewage disposals.
Description
Technical field
The present invention relates to nanometer technology and photothermal conversion materiat field, and in particular to a kind of solar steam of tri compound
Generation device and its application.
Background technology
In recent years, regenerative resource caused the extensive concern of various circles of society, and solar energy is sufficient because of it, is easy to get, pollution-free
Etc. one of emphasis that advantage turns into field of renewable energy research.By the way that with graphene oxide, gold nano grain etc. is representative
Photothermal conversion materiat can effectively capture solar energy and be allowed to be converted to using heat energy and heat nano-fluid, generation high temperature
Steam, this is the extensive utilization of solar energy, such as is produced from large-scale solar light-heat power-generation, desalinization and sewage disposal
Industry, being provided to applications such as the pure and mild disinfection systems of small-scale water extraction may.Excellent photothermal conversion materiat can improve the sun
Energy transformation efficiency, therefore fundamentally promote the improvement and upgrading of energy resource system and industry.
C-based nanomaterial has very big specific surface area (2600m2g-1) and big conjugated system, surface can be passed through
π-π interactions and intermolecular Van der Waals force, synergistic sorption various functions nano material forms compound/hybrid material.
On the one hand, carbon-based optical-thermal conversion material to whole UV, visible light (UV-vis) until near infrared light region have obvious absorption
(high absorptivity α), the electronics of carbon material has obvious plasma resonance effect.Simultaneously carbon material have it is very high chemically and thermally
Performance degradation will not occur for stability, long-time laser irradiation.Therefore, it can be produced significantly by the light activated carbon material of near-infrared
Fuel factor, makes the medium temperature of surrounding raise rapidly.On the other hand, carbon nanomaterial is substantially infrared inert (IR
Inactive), infrared emanation loss (low emissivity ε) can be substantially reduced, is a class excellent performance, has a extensive future
Optical-thermal conversion material.
At present, domestic and foreign scholars the basic and applied research of photothermal deformation nano material is concentrated mainly on photo-thermal therapy and
The biomedicine fields such as thermal imaging.Photothermal deformation nano material produces heat by absorbing wavelength for 700-1400nm near infrared light
Effect, and near-infrared laser is very strong to the penetration capacity of biological tissue, and optical attenuation is especially small during penetrating, in biology
It is medically a kind of important " biological window ", therefore the photo-thermal therapy technical research of near-infrared laser driving is quite extensively and deep
Enter, and photothermal deformation nanomaterials and nanotechnology is just at the early-stage in the development and application research of field of solar energy utilization.
Common photothermal conversion materiat is broadly divided into two kinds, and one kind is to contain metal nanoparticle, carbon material and macromolecule
The nano-fluid of material etc., another photothermal conversion film for local heating.Compared with nano-fluid, photothermal conversion film can
So that illumination is limited in into film layer without irradiating lower floor's water body, so as to reduce dissipation of the heat from water body into environment, improve
Photothermal conversion efficiency.However, current photothermal conversion film majority is directly placed on the water surface, because thin-film material is led in itself
Heating rate is higher, however it remains the heat waste situation that film conducts heat to lower floor's water body occurs, and photothermal conversion efficiency can not be broken through this
Bottleneck.
The content of the invention
The present invention provides solar steam generation device and its application of a kind of tri compound, it is intended to solve to a certain extent
The deficiencies in the prior art.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of solar steam of tri compound produces dress
Put, it includes water is housed in water container, photothermal conversion film, thermal insulation board and aqueduct, the water container, described heat-insulated
Plate is integrally located above the water surface or only bottom is immersed in the water, and the photothermal conversion film is located at top or the covering of the thermal insulation board
Outer surface on the thermal insulation board top, the aqueduct includes some capillaries for inserting the thermal insulation board, the capillary
The lower ending opening of pipe is immersed in the water, and the upper end open of the capillary comes close to or in contact with the photothermal conversion film.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Specifically, the water container is the glass container or transparent plastic container of open topped.
Specifically, the photothermal conversion film is carbon-based photothermal conversion film.
Specifically, the carbon-based photothermal conversion film is redox graphene base photothermal conversion film.
Described redox graphene base photothermal conversion film can be prepared via a method which：Redox graphene base
Photothermal conversion film is prepared via a method which to obtain：(1) synthesis of redox graphene：By 200mg graphene oxides and
50mg ascorbic acid is added in 200ml deionized waters, magnetic agitation 10 minutes.Above-mentioned dispersion liquid is placed in microwave reactor
In, 200W, 95 DEG C are reacted 10 minutes.Generation liquid filtration drying is obtained into redox graphene；(2) redox graphene base
The preparation of photothermal conversion film：100mg sizing filter paper is added in 100mL solvents, magnetic agitation 2 is small at a temperature of 100 DEG C
When, obtain cellulose dispersion liquid.60mg redox graphenes are added in cellulose dispersion liquid, continue to stir 0.5 hour,
Vacuum filtration is obtained remolding tunica fibrosa, and redox graphene base photothermal conversion film is obtained within 30 minutes through 35 DEG C of vacuum drying.
It is understood that can also be the photothermal conversion obtained by other methods in addition to above-mentioned photothermal conversion film
Film, the device provided suitable for the present invention.
Specifically, the thermal insulation board is made up of foamed heat-insulating material.
It is preferred that, the foamed heat-insulating material is polyethylene foamed, foamed polyvinyl chloride, expanded polypropylene and foaming polyphenyl
One or more mixing in ethene, the thermal insulation board float on above the water surface and its peripheral sidewalls and the water container it is interior
Side wall is abutted.Except floating is outer, thermal insulation board can be by appearance wall inwall clamping or being shelved on ring-type shelf (ring-type shelf with being filled with water
Be fixedly connected with container inner wall) mode be integrally located above the water surface.
Specifically, the capillary is nature of glass capillary or plastics matter capillary.
Specifically, the thickness of the thermal insulation board is 1.5-20cm.Thermal insulation board is discoid, and thickness refers to vertical when it keeps flat
The size in direction.
Specifically, the internal diameter of the capillary is 0.1-2mm, homogeneous vertical is intensive inserted with the hair on the thermal insulation board
Tubule.
Present invention also offers the application of above-mentioned tri compound solar steam generation device, it sends out applied to solar energy
Electricity, desalinization or sewage disposal.
Compared with prior art, the beneficial effects of the invention are as follows：
There is provided a kind of new type solar energy photothermal conversion steam generation device, it is by introducing thermal insulation board and aqueduct
(capillary), high temperature photothermal conversion film (about 50 DEG C) is isolated with low temperature water body (about 20 DEG C), blocks its heat transfer to subtract
Few heat waste, while water delivery device persistently can supply water to vaporize for photothermal conversion film automatically；Photothermal conversion film, thermal insulation board and
Under water delivery device three synergy, sunshine, which is limited in film surface, to be used for photothermal conversion and produces steam, while by light
The heat of thermal transition film water body transmission downwards is effectively suppressed, and the heat of photothermal conversion generation has obtained effective utilization, real
It is equal to photothermal conversion efficiency in matter to be greatly improved；The apparatus structure is unique and simple, photothermal conversion efficiency high, in the sun
The fields such as energy generating, desalinization and sewage disposal have larger commercial value and application prospect.
Brief description of the drawings
The structural representation of the solar steam generation device for the tri compound that Fig. 1 provides for the present invention；
When reducing agent consumption is different when Fig. 2 is prepares redox graphene base photo-thermal thin film in embodiment 3 to 14
The situation of change of carbon/oxygen element atomic ratio in obtained redox graphene；
Fig. 3 is the scanning electron microscope diagram and original of redox graphene base photo-thermal thin film prepared by embodiment 3
Sub- force microscope figure；
Fig. 4 is that embodiment 3,6,10 corresponding solar steam generation devices are 1kw/m in irradiation light light intensity2Under quality
Lose curve；
Fig. 5 is that embodiment 3,6,10 corresponding solar steam generation devices are 1kw/m in irradiation light light intensity2Under photo-thermal
Transformation efficiency；
Fig. 6 is that the corresponding solar steam generation device of embodiment 3 is 1kw/m in irradiation light light intensity2Under infrared image.
In accompanying drawing, the list of parts representated by each label is as follows：
1. water container；2. photothermal conversion film；3. thermal insulation board；4. capillary.
Embodiment
The principle and feature of the present invention are described below in conjunction with drawings and the specific embodiments, example is served only for solution
The present invention is released, the scope of the present invention is not intended to limit.
Embodiment 1
As shown in figure 1, the present invention provides a kind of solar steam generation device of tri compound, it include water container 1,
Water, the thermal insulation board 3 only bottom immersion water are housed in photothermal conversion film 2, thermal insulation board 3 and aqueduct, the water container 1
In, top is located above the water surface, and the photothermal conversion film 2 is covered in the upper surface on the top of thermal insulation board 3, the water-supply-pipe
Road includes the uniform intensive capillary 4 for inserting the thermal insulation board 3, and the lower ending opening of the capillary 4 is immersed in the water, the hair
Thin upper end open comes close to or in contact with the photothermal conversion film 2.
Specifically, the water container 1 is the glass container of open topped, the photothermal conversion film 2 is reduction-oxidation
Graphene-based photothermal conversion film, the thermal insulation board 3 is poly- by polyethylene foamed, foamed polyvinyl chloride, expanded polypropylene or foaming
Styrene is made, and the thermal insulation board 3 is floated on above the water surface and its peripheral sidewalls abuts ratio with the madial wall of the water container 1
Thermal insulation board is in cylindrical shape as described, and the height of cylindrical shape thermal insulation board is 3-20cm, and the water container is beaker, the hair
Tubule 4 is nature of glass capillary and its internal diameter is 0.1-2mm.
Embodiment 2
As shown in figure 1, the present invention provides a kind of solar steam generation device of tri compound, it include water container 1,
Water is housed, the thermal insulation board 3 is integrally located at the water surface in photothermal conversion film 2, thermal insulation board 3 and aqueduct, the water container 1
Top lower surface is separated with the water surface, and the photothermal conversion film 2 does not connect positioned at the top thermal insulation board of thermal insulation board 3 with photothermal conversion film
Touch, the aqueduct includes the uniform intensive capillary 4 for inserting the thermal insulation board 3, the lower ending opening leaching of the capillary 4
Enter in water, the upper end open of the capillary comes close to or in contact with the photothermal conversion film 2.In said structure, thermal insulation board 3 and photo-thermal
Conversion film 2 by it may occur to persons skilled in the art that any method be fixed, such as by with water container inwall
Bonding or the mode of clamping, or it is provided on water container inwall the ring-type of placing the thermal insulation board or photothermal conversion film
Shelf etc..
Specifically, the water container 1 is the transparent plastic container of open topped, the photothermal conversion film 2 is reduction
Graphite oxide alkenyl photothermal conversion film, the thermal insulation board 3 is by polyethylene foamed, foamed polyvinyl chloride, expanded polypropylene or hair
Foamed polystyrene is made.
Embodiment 3
It is substantially the same manner as Example 1, more specifically：Glass container is beaker, and thermal insulation board is cylinder and its diameter and burning
The internal diameter of cup is identical, a diameter of 40mm of thermal insulation board, is highly 15mm, and capillary pipe length is that 30mm, internal diameter are 0.5mm, wherein
Redox graphene base photothermal conversion film is prepared via a method which to obtain：
(1) synthesis of redox graphene：200mg graphene oxides and 50mg ascorbic acid are added to 200ml
In ionized water, magnetic agitation 10 minutes.Above-mentioned dispersion liquid is placed in microwave reactor, 200W, 95 DEG C are reacted 10 minutes.Will be raw
Redox graphene is obtained into liquid filtration drying.
(2) preparation of redox graphene base photothermal conversion film：100mg sizing filter paper is added to 100mL solvents
In, magnetic agitation 2 hours at a temperature of 100 DEG C obtain cellulose dispersion liquid.60mg redox graphenes are added to fiber
In plain dispersion liquid, continue to stir 0.5 hour, vacuum filtration obtains remolding tunica fibrosa, is gone back within 30 minutes through 35 DEG C of vacuum drying
Former graphite oxide alkenyl photothermal conversion film.
Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 4：When 1, carbon/oxygen atom number ratio about 3.93.
Fig. 3 be the obtained redox graphene base photothermal conversion film of embodiment 3 in SEM (SEM) and
Shape characteristic under AFM (AFM) observation, the side of film is stacked into redox graphene, forms dense layer
(a and b in Fig. 3), the opposite side of film is loose structure (d and e in Fig. 3).Under atomic force microscope observation, reduction-oxidation graphite
The relative roughness of alkene accumulation horizon side is 0.413 micron (c in Fig. 3), and the relative roughness of the side with loose structure
For 2.248 microns (f in Fig. 3).Causing the main cause of cellulose base photothermal conversion film two sides different structure is, graphite oxide
Combined, during suction filtration, influenceed by suction, part oxygen by Van der Waals force (weak electrical attraction power) between alkene and cellulose
Graphite alkene comes off from fiber and deposits to the side formation " dense layer " of film, and the fiber of opposite side is due to by less oxidation
Graphene wraps up and forms " porous layer ", so as to form the dual character of photothermal conversion film.Meanwhile, " porous layer " is contained due to it
There are countless microcosmic perforates and with preferable water imbibition, the normal-temperature water of water delivery device offer can be absorbed, and be delivered to " intensive
Layer ", the latter has outstanding photothermal conversion efficiency under illumination condition because of the heat conversion layer that it contains densification, so that real
Normal-temperature water vaporescence under existing Driven by Solar Energy.
Embodiment 4
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 100mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 2：When 1, carbon/oxygen atom number ratio about 5.16.
Embodiment 5
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 150mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 4：When 3, carbon/oxygen atom number ratio about 5.70.
Embodiment 6
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 200mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 1：When 1, carbon/oxygen atom number ratio about 6.84.
Embodiment 7
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 250mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 4：When 5, carbon/oxygen atom number ratio about 7.54.
Embodiment 8
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 300mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 2：When 3, carbon/oxygen atom number ratio about 8.66.
Embodiment 9
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 350mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 4：When 7, carbon/oxygen atom number ratio about 9.80.
Embodiment 10
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 400mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 1：When 2, carbon/oxygen atom number ratio about 10.14.
Embodiment 11
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 450mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 4：When 9, carbon/oxygen atom number ratio about 10.17.
Embodiment 12
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 500mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 2：When 5, carbon/oxygen atom number ratio about 10.26.
Embodiment 13
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 550mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 4：When 11, carbon/oxygen atom number ratio about 10.51.
Embodiment 14
By the preparation process and course of reaction of embodiment 1, ascorbic acid consumption is simply changed to 600mg, oxygen reduction is made
Graphite alkene.Obtained redox graphene powder is tested into its carbon/oxygen element content ratio by EDS energy disperse spectroscopies, such as Fig. 2 institutes
With from the results, it was seen that graphene oxide and ascorbic acid ratio are 1：When 3, carbon/oxygen atom number ratio about 11.08.
As seen from Figure 2, in the case that control graphene oxide consumption is certain, the reducing degree of redox graphene
(carbon element content proportion) is improved as ascorbic acid consumption increases.But when ascorbic acid consumption is graphene oxide consumption
Twice when, reach the reduction limit, now carbon/oxygen element atom number ratio maintains 10.2 or so.
The solar steam generation device of the tri compound obtained using embodiment 3,6,10 is test object, with 1kW/m2Xenon
Solar steam generation device described in light irradiation will be gone with its vaporization efficency under simulated solar light irradiation during test containing 200mL
The beaker of ionized water, which is placed in, to be recorded in real time on the electronic balance of qualitative data, be 1kW/m in light intensity2Xenon lamp irradiation under, survey
The mass change in 3000 seconds is tried, rendering quality change curve, test result are as shown in figure 4, it can be seen that the 3000s times
Irradiation under embodiment 3, the evaporating capacity of 6,10 corresponding solar steam generation devices be followed successively by 0.765kg/m2、0.836kg/
m2、0.931kg/m2, more than 25 times of vaporization rate when being direct irradiation pure water under square one；If in addition, embodiment 3 is made
Redox graphene photothermal conversion film be placed directly within the water surface, under square one the 3000s times irradiate after its evaporating capacity
About 0.481kg/m2, only the 62.88% of the corresponding evaporating capacity of embodiment 3, the i.e. present invention are because there is the presence photo-thermal turn of thermal insulation board
Change film to separate substantially with water in the cup, heat production is not spread to water in the cup substantially, therefore its vaporization efficency is higher；Further, pass through
The evaporating capacity change of embodiment 3,6,10 is understood, with the increase of corresponding redox graphene reduction degree, the corresponding sun
(photothermal conversion efficiency is changed into the energy of vaporization absorption from the water of evaporation loss and disappeared the photothermal conversion efficiency of energy steam generation device
The electric energy of consumption is calculated) also it is obviously improved, as shown in figure 5, being promoted to 90.2% by 74.1%.
In addition, the service behaviour in order to reflect the tri compound solar steam generation device that the present invention is provided, using red
Outer thermal imaging system have taken infrared image of the device under different irradiation times, as a result as shown in Figure 6.Xenon lamp (1kW/m2) shine
Before penetrating, the temperature of photothermal conversion film is about 20.3 DEG C, and the temperature of thermal insulation board is about 18.1 DEG C.After irradiation 1 minute, photo-thermal
The temperature for converting film is about 33.5 DEG C, and the temperature of thermal insulation board is about 22.5 DEG C.After irradiation 40 minutes, photothermal conversion film
Temperature is about 38.0 DEG C, and the temperature of thermal insulation board is about 22.7 DEG C.After irradiation 90 minutes, the temperature of photothermal conversion film is about
39.5 DEG C, the temperature of plate is about 24.9 DEG C.As can be seen here, within irradiation 1 minute, photothermal conversion film is brought rapidly up entering work
Make state, and thermal insulation board stills remain in 25 DEG C or so in 90 minutes afterwards in irradiation, has effectively completely cut off high temperature film to low temperature
The radiating of water body, improves the efficiency of light energy utilization.As can be seen here, the device has remarkable photothermal conversion performance.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. the solar steam generation device of a kind of tri compound, it is characterised in that thin including water container (1), photothermal conversion
Water is housed, the thermal insulation board (3) is integrally located on the water surface in film (2), thermal insulation board (3) and aqueduct, the water container (1)
Side or only bottom is immersed in the water, the photothermal conversion film (2) be located at the thermal insulation board (3) top or be covered in described heat-insulated
The outer surface on plate (3) top, the aqueduct includes some capillaries (4) for inserting the thermal insulation board (3), the capillary
(4) lower ending opening is immersed in the water, and the upper end open of the capillary (4) comes close to or in contact with the photothermal conversion film (2).
2. the solar steam generation device of a kind of tri compound according to claim 1, it is characterised in that described to be filled with water
Container (1) is the glass container or transparent plastic container of open topped.
3. a kind of solar steam generation device of tri compound according to claim 1, it is characterised in that the photo-thermal
It is carbon-based photothermal conversion film to convert film (2).
4. the solar steam generation device of a kind of tri compound according to claim 3, it is characterised in that described carbon-based
Photothermal conversion film is redox graphene base photothermal conversion film.
5. the solar steam generation device of a kind of tri compound according to claim 1, it is characterised in that described heat-insulated
Plate (3) is made up of foamed heat-insulating material.
6. a kind of solar steam generation device of tri compound according to claim 5, it is characterised in that the foaming
Heat-barrier material is one or more mixing in polyethylene foamed, foamed polyvinyl chloride, expanded polypropylene and expanded polystyrene (EPS),
The thermal insulation board (3) floats on above the water surface and its peripheral sidewalls is abutted with the madial wall of the water container (1).
7. a kind of solar steam generation device of tri compound according to claim 1, it is characterised in that the capillary
It is nature of glass capillary or plastics matter capillary to manage (4).
8. a kind of solar steam generation device of tri compound according to any one of claim 1 to 7, its feature exists
In the thickness of the thermal insulation board (3) is 1.5-20cm.
9. a kind of solar steam generation device of tri compound according to claim 8, it is characterised in that the capillary
The internal diameter for managing (4) is that homogeneous vertical is intensive inserted with the capillary (4) on 0.1-2mm, the thermal insulation board (3).
10. a kind of application of tri compound solar steam generation device as described in any one of claim 1 to 9, its feature
It is, for solar power generation, desalinization or sewage disposal.
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| CN109368725A (en) * | 2018-11-05 | 2019-02-22 | 常熟理工学院 | Absorption by Sea Water evaporative component and sea water by distillation desalting plant |
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| CN112303933A (en) * | 2020-03-12 | 2021-02-02 | 山东百帝气动科技股份有限公司 | Pneumatic drive solar tracking heat collection device and air cylinder structure thereof |
| CN112303933B (en) * | 2020-03-12 | 2021-08-06 | 山东百帝气动科技股份有限公司 | Pneumatic drive solar tracking heat collection device and air cylinder structure thereof |
| CN111439802A (en) * | 2020-04-30 | 2020-07-24 | 浙江浙能技术研究院有限公司 | Capillary array water supply photo-thermal interface evaporation structure and method |
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