CN109911965A - A kind of disc type solar energy distillation pond that low cost is expansible and application method - Google Patents
A kind of disc type solar energy distillation pond that low cost is expansible and application method Download PDFInfo
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- CN109911965A CN109911965A CN201910384044.1A CN201910384044A CN109911965A CN 109911965 A CN109911965 A CN 109911965A CN 201910384044 A CN201910384044 A CN 201910384044A CN 109911965 A CN109911965 A CN 109911965A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
The invention discloses a kind of disc type solar energy distillation ponds that low cost is expansible; it is designed by the selection of reasonable material and structure; significantly reduce the ton water cost of solar distilling pond scale application used time; and unit area water yield with higher can be used for solar seawater desalination, brackish water desalination, sewage purification and to distillation of multiple groups part mixed solution etc..During actual engineering-built, raw water pond and transparent condensing cover are available locally, and reduce transportation cost；Raw material cost is low, and solid durable；Organization plan is simplified；The water yield of unit area is improved by the hydrophilic treated of efficient light absorbent and transparent surface, factors above makes the water producing cost of the invention that solar distilling pond can be greatly reduced during practice, can Rapid Popularization use.In addition, apparatus of the present invention do not depend on the devices such as large-scale heat collector, multi-effect distilling, run under normal pressure and temperature, structure is simple, securely and reliably.
Description
Technical field
The present invention relates to solar distilling and water-treatment technology field, specially a kind of disc type sun that low cost is expansible
Pond and application method can be distilled.
Background technique
Climate factor, geographic factor and population development factor etc. influence, and China is faced with the water resource being on the rise
Shortage problem.In northwest China area, annual precipitation is few and surface storage ability is poor, and causing local resident always is that drinking water is short
The problem of lacking is perplexed；North China is then faced with serious Seasonal Water-Deficit problem；East, southern areas precipitation relative abundance,
And surface drainage is flourishing, however the sharply expansion of development disorder and population due to industry, a large amount of industrial wastewaters, agricultural breeding industry
Waste water and sanitary sewage just corrode river and underground water, and water pollution problems is got worse.Solar distilling technology is as a kind of
The water disposal plan of zero-power is the desirable technique to solve the above problems.It, can be by the Northwest using solar distilling technology
Underground bitter be converted to fresh water, can from the coastline extracting seawater of North China carry out desalt processing, can also be to work
Industry waste water, agricultural breeding industry waste water and sanitary sewage carry out distillation processing, reduce energy consumption and cost.Solar distilling is China's water
The ideal solution of shortage of resources problem.
However, traditional solar distilling its that there are photothermal conversion efficiencies is lower, water yield is low and device can not scale
The disadvantages of sprawling, promoting, at present still in the lab scale stage in laboratory.In order to improve its performance, various countries researchers in recent years
It is proposed compared with effective measures.It such as introduces solar thermal collector and promotes photothermal conversion efficiency, introduce condenser and improve evaporation water
The temperature of body improves yield, introduces multiple-effect cryosurface and condensation latent heat is made to be able to reuse.These methods certain journey really
The unit area water yield of device is improved on degree, but it is not easy to operate to produce the equipment investment raising of specific yield, device
And the problem of large-scale application.
Summary of the invention
A kind of disc type solar energy distillation pond that low cost is expansible of the present invention, it passes through reasonable material selection and expansible
Scheme design, can solve the problems, such as that traditional solar still water yield is low and at high cost.
To achieve the above object, the invention provides the following technical scheme: a kind of disc type solar energy that low cost is expansible steams
Evaporate pond, including transparent condensing cover, raw water pond, it is characterised in that: the solar distilling pond is by the device by transparent cold
Solidifying cover and raw water pond composition, the transparent condensing cover by stainless pipe or plastic pipe welding at skeleton, and outer patch glass or thoroughly
Bright plastic plate, the transparent condensing cover bottom inner ring is fresh water sink, and the fresh water sink is by U-shaped stainless steel channel steel or plastics
Sink is welded, and bottom is provided with fresh water outlet mouth, and the fresh water sink is described transparent to inclination at fresh water outlet mouth
Condensing cover is placed on raw water pond, and with sealant fixing seal, and raw water pond another side is equipped with raw water inlet, with
External pipe connection can inject raw water, and the light absorbent is placed on raw water basin bottom.
Preferably, the light absorbent has high extinction efficiency, is that a kind of porosity is high, good hydrophilic property can quickly inhale
The two-dimensional material of water, and thermal conductivity is low.Preferably, raw water surface, absorption solar energy turn the light absorbent in use
Thermal energy is turned to, heating evaporation only is carried out to surface seawater, traditional solar still is avoided and entire raw water water body is added
The form of heat, energy is directly used in the evaporation of raw water, to improve the utilization efficiency to solar energy.
Preferably, the transparent condensing cover for distilling pond has various shapes, is by stainless pipe or plastic pipe welding into skeleton,
And outer patch glass or transparent plastic plate are made.
Preferably, the light transmission condensing cover can be glass material, be also possible to polycarbonate, poly-methyl methacrylate
The clear sheets such as ester, polyvinyl chloride, polyester plastics.
Preferably,
The light transmission condensation cover inner surface carries out surface using the method for chemical modification and is modified, and makes the surface nature of transparent surface by dredging
Water be changed into it is hydrophilic, after Water vapor condensation formed moisture film rather than dispersion droplet, so as to avoid the scattering to incident light.
The concrete mode of chemical modification is: uniformly smearing the active material with hydrophilic radical on surface, drying can be completed.When water steams
Gas contact film surface will complete wetting sprawl, form thin transparent water film, achieve the purpose that anti-fog.
Preferably, the transparent condensing cover in the distillation pond has various shapes, be by stainless pipe or plastic pipe welding at
Skeleton, and outer patch glass or transparent plastic plate are made.
Preferably, vapor is condensed in transparent surface condensing cover inner wall, flows into fresh water sink then along transparent condenser wall, and
It is flowed out from fresh water outlet mouth.
Preferably, the glass or plastic plate of the transparent condensing cover top surface are openable.
Preferably, the raw water pond can be manufactured by brick, cement or mixed mud.
Preferably, each distillation pond can be used as a water unit processed, and length and width can be designed according to actual production water demand,
Each purification project is by multiple water unit parallel runnings processed.
Preferably, a kind of application method in the disc type solar energy distillation pond that low cost is expansible, comprising the following steps:
S1: solar distilling pond is built in the plane, and the shape of the building of the unobstructed sunlight of surrounding, transparent condensing cover regards latitude
Depending on, if device is built in the north of the tropic of cancer or on the south the tropic of Capricorn, the shape of asymmetric inclination angle Fig. 2, Fig. 3 should be built into
Shape, and long side is towards south or north；
S2: if device is built in equator, the shape of the symmetrical inclination angle figure of Fig. 1 should be built into, above method can guarantee daylighting
Area is maximum.Raw water seawater and brackish water, sewage etc. are transported in raw water pond, light absorbent swims in raw water surface；
S3: sunlight is incident on 4 surface of light absorbent by transparent condensing cover upper surface, is absorbed and is converted into energy heats extinction material
Raw water on material, vapor are condensed in the inner surface of transparent condensing cover respectively；
S4: the droplet that since inner surface did hydrophilic treated, moisture film will be formed after Water vapor condensation, rather than dispersed, thus
Scattering of the condensed water to sunlight is reduced, light transmittance is improved.Condensed water flows into fresh water sink along transparent condenser wall, and from light
The outflow of water water outlet.And the concentrated water that do not desalinate then stays in raw water pond, is periodically flowed out by concentrated water water outlet.
Compared with prior art, the beneficial effects of the present invention are:
One: extinction efficiency of the present invention and the relatively current common disc type passive type of photothermal conversion efficiency height, unit area water yield are too
Positive energy distiller obtains larger promotion；
Two: apparatus of the present invention do not depend on the devices such as large-scale heat collector, multi-effect distilling, run under normal pressure and temperature, and structure is simplified, peace
It is complete reliable；
Three: low energy consumption of the present invention is pollution-free, can be carried out distillation merely with the sun；
Four: operation of the present invention is easy, fills raw water, transhipment pure water in due course；
Five: device structure is simple, and manufacturing cost is low, and maintenance cost is few, long service life；
Six: the present invention can also be engineered volume production with small size personal use with scale.
Detailed description of the invention
Fig. 1 is schematic cross-section of the invention；
Fig. 2 is schematic cross-section of the invention；
Fig. 3 is schematic cross-section of the invention.
Figure label: 1, transparent condensing cover；2, fresh water sink；3, concentrated water water outlet；4, light absorbent, 5, raw water pond；
6, pure water outlet；7, raw water inlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, the present invention provides a kind of technical solution: the device is by 5 groups of transparent condensing cover 1 and raw water pond
At, transparent condensing cover 1 by stainless pipe or plastic pipe welding at skeleton, and outer patch glass or transparent plastic plate, distill pond
Transparent condensing cover 1 has various shapes, specifically depending on latitude.If device be built in the north of the tropic of cancer or the tropic of Capricorn with
South, the then shape that should be built into asymmetric inclination angle figure (2), scheme (3), and long side are towards south or north；If device is built attached under the line
Closely, then the shape of symmetrical inclination angle figure (1) should be built into, above method can guarantee that daylighting area is maximum, in transparent 1 bottom of condensing cover
Circle is fresh water sink 2, and fresh water sink 2 is welded by U-shaped stainless steel channel steel or plastic trough, and bottom is provided with fresh water and goes out
The mouth of a river 6.Fresh water sink 2 is tilted at fresh water outlet mouth 6, allows fresh water in sink to collecting at one, convenient from fresh water
Water outlet 6 flows out, and vapor is condensed in 1 inner wall of transparent surface condensing cover, flows into fresh water sink 2 then along transparent condenser wall 1, and
It is flowed out from fresh water outlet mouth 6.And the concentrated water that do not desalinate then stays in raw water pond, is periodically flowed out by concentrated water water outlet 3, it is transparent
The glass or plastic plate of 1 top surface of condensing cover are openable, be easy to open take out internal light absorbent and to inside carry out maintenance with
Cleaning etc., transparent condensing cover 1 is placed on raw water pond 5, and with sealant fixing seal.It raw water pond 5 can be by brick, cement
Or mixed mud manufacture, bottom do it is sloping, convenient for concentrated water to concentrated water water outlet 3 be discharged.5 inner surface of raw water pond need to do waterproof
Processing.5 another side of raw water pond is equipped with raw water inlet 7, and raw water can be injected by connecting with external pipe, and light absorbent 4 is placed
In 5 bottom of raw water pond, raw water surface can be swum in after water filling, use the two-dimensional nano absorber with micro-nano structure as
Light absorbent 4.There is the material extremely wide solar spectrum to absorb, the average absorbance within the scope of 400~2500 nano spectrals
Can reach 97% or more, photothermal conversion efficiency is up to 90% or more, much higher than common at present light absorbent and solar thermal collector,
Used light absorbent 4 swims in raw water surface, absorbs solar energy and is converted into thermal energy, only carries out heating steaming to surface seawater
Hair, avoids the form that traditional solar still heats entire raw water water body, and energy is directly used in the evaporation of raw water,
To improve the utilization efficiency to solar energy, the shape of transparent condensing cover 1 can be Fig. 1, Fig. 2, a variety of shapes shown in Fig. 3
Shape, specifically depending on latitude.
A kind of application method in the disc type solar energy distillation pond that low cost is expansible, comprising the following steps:
S1: solar distilling pond is built in the plane, and the shape of the building of the unobstructed sunlight of surrounding, transparent condensing cover 1 regards latitude
Depending on degree, if device is built in the north of the tropic of cancer or on the south the tropic of Capricorn, the shape of asymmetric inclination angle Fig. 2, Fig. 3 should be built into
Shape, and long side is towards south or north；
S2: if device is built in equator, the shape of symmetrical inclination angle Fig. 1 should be built into, above method can guarantee lighting surface
Product is maximum.Raw water seawater and brackish water, sewage etc. are transported in raw water pond 5, light absorbent 4 swims in raw water surface；
S3: sunlight is incident on 4 surface of light absorbent by transparent 1 upper surface of condensing cover, is absorbed and is converted into energy heats extinction
Raw water on material, vapor are condensed in the inner surface of transparent condensing cover 1 respectively；
S4: the droplet that since inner surface did hydrophilic treated, moisture film will be formed after Water vapor condensation, rather than dispersed, thus
Scattering of the condensed water to sunlight is reduced, light transmittance is improved.Condensed water along transparent condenser wall 1 flow into fresh water sink 2, and from
Fresh water outlet mouth 6 flows out.And the concentrated water that do not desalinate then stays in raw water pond, is periodically flowed out by concentrated water water outlet 3.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of disc type solar energy distillation pond that low cost is expansible, including transparent condensing cover (1), raw water pond (5), feature
Be: the solar distilling pond is made of the device transparent condensing cover (1) and raw water pond (5), described transparent cold
Solidifying cover (1) by stainless pipe or plastic pipe welding at skeleton, and outer patch glass or transparent plastic plate, the transparent condensing cover
(1) bottom inner ring is fresh water sink (2), and the fresh water sink (2) is welded by U-shaped stainless steel channel steel or plastic trough, and
It is provided with fresh water outlet mouth (6) in bottom, the fresh water sink (2) tilts at fresh water outlet mouth (6), the transparent condensing cover
(1) it is placed on raw water pond (5), and with sealant fixing seal, raw water pond (5) another side is equipped with raw water inlet
(7), raw water can be injected by connecting with external pipe, and the light absorbent (4) is placed on raw water pond (5) bottom.
2. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1, it is characterised in that: the suction
Luminescent material (4) has high extinction efficiency, is the two-dimensional material that a kind of porosity is high, good hydrophilic property can quickly absorb water, and heat
Conductance is low；Preferably, light absorbent raw water surface in use absorbs solar energy and is converted into thermal energy, only to surface layer
Seawater carries out heating evaporation, avoids the form that traditional solar still heats entire raw water water body, energy is direct
For the evaporation of raw water, to improve the utilization efficiency to solar energy.
3. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1, it is characterised in that: described
Light condensing cover (1) can be glass material, be also possible to polycarbonate, polymethyl methacrylate, polyvinyl chloride, polyester plastics
Equal clear sheets.
4. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1, it is characterised in that: described
Light condensing cover (1) inner surface carries out surface using the method for chemical modification and is modified, and makes the surface nature of transparent surface by hydrophobic transformation
The droplet of moisture film rather than dispersion is formed, to be hydrophilic, after Water vapor condensation so as to avoid the scattering to incident light；Chemistry is repaired
The concrete mode of decorations is: uniformly smearing the active material with hydrophilic radical on surface, drying can be completed；When vapor contacts
Film surface will complete wetting sprawl, form thin transparent water film, achieve the purpose that anti-fog.
5. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1, it is characterised in that: the steaming
The transparent condensing cover (1) for evaporating pond has various shapes, is by stainless pipe or plastic pipe welding into skeleton, and outer patch glass or thoroughly
Bright plastic plate is made.
6. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1, it is characterised in that: vapor
It is condensed in transparent surface condensing cover (1) inner wall, flows into fresh water sink (2) then along transparent condenser wall (1), and from fresh water outlet mouth
(6) it flows out.
7. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1, it is characterised in that: described
The glass or plastic plate of bright condensing cover (1) top surface are openable.
8. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1: the raw water pond (5) can
It is manufactured by brick, cement or mixed mud.
9. a kind of expansible disc type solar energy distillation pond of low cost according to claim 1: each distillation pond can be used as
One water unit processed, length and width can be designed according to actual production water demand, and each purification project is in parallel by multiple water units processed
Operation.
10. -9 described in any item a kind of users in the disc type solar energy distillation pond that low cost is expansible according to claim 1
Method, which comprises the following steps:
S1: solar distilling pond is built in the plane, the building of the unobstructed sunlight of surrounding, the shape view of transparent condensing cover (1)
Depending on latitude, if device is built in the north of the tropic of cancer or on the south the tropic of Capricorn, asymmetric inclination angle Fig. 2, Fig. 3 should be built into
Shape, and long side is towards south or north；
S2: if device is built in equator, the shape of symmetrical inclination angle Fig. 1 should be built into, above method can guarantee lighting surface
Product is maximum；Raw water seawater and brackish water, sewage etc. are transported in raw water pond (5), light absorbent (4) swims in raw water surface；
S3: sunlight is incident on light absorbent (4) surface by transparent 1 upper surface of condensing cover, is absorbed and is converted into energy heats suction
Raw water in luminescent material, vapor are condensed in the inner surface of transparent condensing cover (1) respectively；
S4: the droplet that since inner surface did hydrophilic treated, moisture film will be formed after Water vapor condensation, rather than dispersed, thus
Scattering of the condensed water to sunlight is reduced, light transmittance is improved；Condensed water flows into fresh water sink (2) along transparent condenser wall (1),
And it is flowed out from fresh water outlet mouth (6)；And the concentrated water that do not desalinate then stays in raw water pond, is periodically flowed by concentrated water water outlet (3)
Out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910384044.1A CN109911965A (en) | 2019-05-09 | 2019-05-09 | A kind of disc type solar energy distillation pond that low cost is expansible and application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910384044.1A CN109911965A (en) | 2019-05-09 | 2019-05-09 | A kind of disc type solar energy distillation pond that low cost is expansible and application method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655135A (en) * | 2019-10-15 | 2020-01-07 | 中国科学院广州能源研究所 | Water collecting device integrating sea water desalination and atmospheric water collection and using method thereof |
| CN111908539A (en) * | 2020-07-17 | 2020-11-10 | 东南大学 | Water purification device, manufacturing method thereof and seawater desalination method |
| CN111994984A (en) * | 2020-08-28 | 2020-11-27 | 嵊州市慧洁日用品有限公司 | Self-adaptive solar water purifier |
| CN114014393A (en) * | 2021-10-15 | 2022-02-08 | 宁波大学科学技术学院 | High-efficient light and heat distiller |
| CN114087596A (en) * | 2021-11-19 | 2022-02-25 | 南京大学 | Efficient solar steam generation system capable of effectively preventing salt deposition |
| CN114089667A (en) * | 2021-11-19 | 2022-02-25 | 南京大学 | Water vapor generation system with sun tracking effect and effective salt deposition prevention |
| WO2022178926A1 (en) * | 2021-02-24 | 2022-09-01 | 浙江大学 | Passive all-weather integrated solar water desalination and condensate collection equipment |
-
2019
- 2019-05-09 CN CN201910384044.1A patent/CN109911965A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655135A (en) * | 2019-10-15 | 2020-01-07 | 中国科学院广州能源研究所 | Water collecting device integrating sea water desalination and atmospheric water collection and using method thereof |
| CN111908539A (en) * | 2020-07-17 | 2020-11-10 | 东南大学 | Water purification device, manufacturing method thereof and seawater desalination method |
| CN111994984A (en) * | 2020-08-28 | 2020-11-27 | 嵊州市慧洁日用品有限公司 | Self-adaptive solar water purifier |
| WO2022178926A1 (en) * | 2021-02-24 | 2022-09-01 | 浙江大学 | Passive all-weather integrated solar water desalination and condensate collection equipment |
| CN114014393A (en) * | 2021-10-15 | 2022-02-08 | 宁波大学科学技术学院 | High-efficient light and heat distiller |
| CN114087596A (en) * | 2021-11-19 | 2022-02-25 | 南京大学 | Efficient solar steam generation system capable of effectively preventing salt deposition |
| CN114089667A (en) * | 2021-11-19 | 2022-02-25 | 南京大学 | Water vapor generation system with sun tracking effect and effective salt deposition prevention |
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