CN109626470A - Solar battery Sweat coolling and multistage seawater desalting coupled system - Google Patents
Solar battery Sweat coolling and multistage seawater desalting coupled system Download PDFInfo
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- CN109626470A CN109626470A CN201811613428.8A CN201811613428A CN109626470A CN 109626470 A CN109626470 A CN 109626470A CN 201811613428 A CN201811613428 A CN 201811613428A CN 109626470 A CN109626470 A CN 109626470A
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- Prior art keywords
- layer
- sweat coolling
- seawater
- sweat
- coolling
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
-
- 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
-
- 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
-
- 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 present invention provides a kind of solar battery Sweat coolling and multistage seawater desalting coupled systems, comprising: solar panel, Solar panel backside bottom are equipped with multistage Sweat coolling desalination system；The Sweat coolling desalination system includes the sweating evaporation layer being sequentially overlapped from top to bottom, hydrophobic membrane, condensation collecting layer, sheet metal；Seawater storage pool is connect by seawater transfer passage with the sweating evaporation layer in every grade of Sweat coolling desalination system；Fresh water collecting pond is connect by fresh water recovery approach with the condensation collecting layer in every grade of Sweat coolling desalination system；Sweat coolling layer is mounted on the condensation collecting layer bottom of afterbody Sweat coolling desalination system and one end is protruded into seawater storage pool.Present invention optimizes solar panels since constantly temperature rises and reduces incident photon-to-electron conversion efficiency under sunlight irradiation, on the other hand it makes full use of the waste heat of solar panel to carry out multistage seawater desalting and generates a large amount of fresh water, so that the efficiency of energy utilization of whole system greatly promotes.
Description
Technical field
The present invention relates to field of sea water desalting technology, and in particular to a kind of solar battery Sweat coolling and multistage seawater are light
Change coupled system.
Background technique
China is a seashore wire length, the numerous countries in island.And the basic situation of China Island is fresh water, electric power
Resource is generally insufficient.Water, electric resources critical shortage constrain Island Economy, society development, and to people production, life
Cause difficulty.It is previous to have sea water desalination to solve the common method that Island freshwater resources lack, develop local fresh water, big
Land transportation water；And the problem of being lacked for electric power resource, often using the method for diesel-driven generator power supply.On the one hand, these islands
Far from continent, communications and transportation is difficult, and fuel oil and fresh water transportation cost are too high；On the other hand, these Islands often possess pole
Its solar energy resources abundant, has the advantage of solar seawater desalination and solar energy power generating, but fails to obtain
It is effective to utilize.Island realizes the utilization of solar energy often by the form of solar energy power generating at present,
But traditional solar energy power generating does not have reasonable thermal management technology, causes efficiency relatively low, is only capable of certain
Alleviate the situation of power tense in degree.To solve the problems, such as that Island water, electricity are deficient, different devices can only be used at present
It solves respectively, this has also resulted in the problem that final water, electric system are numerous and jumbled, expensive.Therefore, find it is a kind of it is novel,
Efficiently, reliably, simple integrated water cogeneration system, fundamentally improve the status of the shortage of Island fresh water, electric power,
Reinforcing China has earthshaking meaning for the maintenance of maritime rights and interests.
Based on this, we devise a set of solar battery Sweat coolling and multistage seawater desalting coupled system, it is intended to logical
While crossing Sweat coolling mode reduces battery plate temperature and then improve its incident photon-to-electron conversion efficiency, local thermal method and multistage knot are utilized
Structure reuses latent heat of phase change technology and carries out sea water desalination, generates fresh water.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of solar battery Sweat coollings and multistage seawater desalting to couple
System is dexterously coupled by solar monocrystalline silicon slice photoelectric conversion system with seawater desalination system, and solar energy is on the one hand improved
On the other hand incident photon-to-electron conversion efficiency utilizes the heat of vaporization seawater of panel backside, and repeatedly latent using the steam condensation generated
Heat carries out sea water desalination and greatly improves the utilization rate of solar energy so that the waste heat of solar panel is fully used.
In order to achieve the above object, the technical solution adopted by the present invention is that: a kind of solar battery Sweat coolling and multistage
The water-electricity cogeneration system that seawater desalination system intercouples characterized by comprising
Solar panel, the Solar panel backside bottom are equipped with multistage Sweat coolling desalination system,
Sweat coolling desalination system, including be sequentially overlapped from top to bottom sweating evaporation layer, hydrophobic membrane, condensation collecting layer,
Sheet metal, the Sweat coolling desalination system are directly contacted with the back bottom of solar panel；
Seawater storage pool, the seawater storage pool pass through seawater transfer passage and the hair in every grade of Sweat coolling desalination system
The connection of sweat evaporation layer；
Fresh water collecting pond, the fresh water collecting pond by fresh water recovery approach with it is cold in every grade of Sweat coolling desalination system
Solidifying collecting layer connection；
Sweat coolling layer, the Sweat coolling layer be mounted on the sheet metal bottom of afterbody Sweat coolling desalination system and
One end is protruded into the seawater storage pool.
Further, the present invention also further includes shell, and the shell is fixed on sweating evaporation layer and condensation collecting layer surrounding, is adopted
It is lower than the silica gel pad of 0.3W/ (m ﹒ K) with thermal coefficient.
Further, it is polytetrafluoroethylene (PTFE) permselective membrane that the present invention, which can also have the following features: the hydrophobic membrane,.
Further, the thermal coefficient that the present invention can also have the following features: the sheet metal is higher than 100W/ (m ﹒ K),
Thickness is less than 1mm.
Further, the present invention can also have the following features: the sweating evaporation layer, condensation collecting layer, Sweat coolling
Layer, seawater transfer passage and fresh water recovery approach are all made of the Fiber Materials that thermal coefficient is lower than 0.3W/ (m ﹒ K).
Further, the present invention can also have the following features: the sweating evaporation layer and the thickness of condensation collecting layer exists
Between 0.8mm-2mm.
Compared with prior art, the beneficial effects of the present invention are:
1. product is fresh water and electricity, more polynary, and whole extraneous additional input energy is not necessarily in addition to solar energy.It improves too
It can produce fresh water while the output power of positive energy battery, the sun can be effectively improved by the Coupling Design of both systems
The capacity usage ratio of energy.
2. the present invention plans as a whole light to conversion electrically and thermally, wherein photovoltaic power generation utilizes about 200W m-2, solar energy heat utilization
About 650Wm-2, realize that the full spectrum of sunlight makes full use of.
3. system is able to achieve system automatic water supplement using microchannel capillary force and conveying fresh water does not need additional pump work outward,
Heat waste is effectively reduced.
4. multilevel structure realizes that fresh water yield is greatly improved in latent heat recycling.
5. system overall cost is cheap, all material processing synthesis is simple, and system altitude is integrated.
6. energy grad is high, source is universal, cost free using reproducible solar energy is cleaned.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Wherein, 1- solar panel, 2- Transpiration Cooling System, 21- sweating evaporation layer, 22- hydrophobic membrane, 23- condensation are received
Collect layer, 24- sheet metal, 3- seawater storage pool, 4- fresh water collecting pond, 5- seawater transfer passage, 6- fresh water recovery approach, 7- sweating
Cooling layer, 8- shell.
Specific embodiment
Referring to the drawings to solar battery Sweat coolling according to the present invention and multistage seawater desalting coupled system.
As shown in Figure 1, solar battery Sweat coolling and multistage seawater desalting coupled system include:
Solar panel 1,1 back bottom of solar panel are equipped with multistage Sweat coolling desalination system 2；
Sweat coolling desalination system 2, including be sequentially overlapped from top to bottom sweating evaporation layer 21, hydrophobic membrane 22, condensation receive
Collect layer 23, sheet metal 24, the Sweat coolling desalination system 2 is directly directly contacted with the back bottom of solar panel 1；
Seawater storage pool 3, the seawater storage pool 3 pass through in seawater transfer passage 5 and every grade of Sweat coolling desalination system
Sweating evaporation layer 21 connect；
Fresh water collecting pond 4, the fresh water collecting pond 4 pass through in fresh water recovery approach 6 and every grade of Sweat coolling desalination system
Condensation collecting layer 23 connect；
Sweat coolling layer 7, the Sweat coolling layer 7 are mounted on 24 bottom of sheet metal of afterbody Sweat coolling desalination system
Portion and one end are protruded into the seawater storage pool 3.
In the above-described embodiments, the sweating evaporation layer 21 and condensation 23 ambient external of collecting layer are additionally provided with shell 8, to whole
A system, which serves, to be supported and fixed, and shell 8 uses low thermal conductivity heat-insulating material, and thermal coefficient is lower than 0.3W/ (m ﹒ K), can
Using low thermally conductive seawater corrosion resistance silica gel pad, but it is not limited to silica gel pad；
Above-mentioned hydrophobic membrane 22 is polytetrafluoroethylene (PTFE) permselective membrane, keeps off steam outside through while by water resistance
Portion.
The single-crystalline-silicon solar-cell panel of solar panel 1, incident photon-to-electron conversion efficiency are that 15-20% realizes photoelectric conversion,
Bottom is directly contacted with sweating evaporation layer 21, conducts heat to sweating evaporation layer 21, realizes waste heat to seawater latent heat of phase change
Conversion；Wherein sweating evaporation layer 21, condensation collecting layer 23, Sweat coolling layer 7, seawater transfer passage 5 and fresh water recovery approach 6 are equal
Using Fiber Materials, one of cotton, sponge, cellulose mixture or non-woven fabrics of hydrophilic low thermal conductivity may be selected, but not
It is limited to cotton, sponge, cellulose mixture or non-woven fabrics, wherein sweating evaporation layer 21 and condensation 23 thermal coefficient of collecting layer are lower than
0.3W/ (m ﹒ K) can effectively inhibit heat to conduct to seawater, it is possible to provide capillary force is continuously replenished seawater and is delivered to fresh water
In fresh water storeroom, thickness is selected at 0.8 millimeter or so.
Wherein, sheet metal 24 is higher than the metal material of 100W/ (m ﹒ K) using thermal coefficient, and sheet metal is adopted in the present embodiment
With aluminium flake, but it is not limited to aluminium flake, thickness is less than 1mm.
When bringing into operation, solar energy is absorbed and utilized system by solar panel 1, and a part is converted into another portion of electric energy
Divide the heat for being converted into solar panel itself, so that solar panel, which constantly heats up, reduces photothermal conversion efficiency, in order to stablize electricity production
And improve, we pass through the seawater desalination system for devising and recycling steam latent heat, while improving generated energy
Obtain fresh water.The seawater in seawater storage pool 3 is drained to by seawater transfer passage 5 back of solar panel 1, due to
Seawater transfer passage 5 uses the cotton of clear water low thermal conductivity, so seawater can be drained to respectively by seawater transfer passage 5 automatically
In the sweating evaporation layer 21 of grade, the sweating evaporation layer 21 of most upper level is directly directly contacted with the back side of solar panel 1, too
The back temperature of positive energy solar panel 1 is higher, produces the evaporation of seawater in sweating evaporation layer 21 using the waste heat of solar panel
Raw steam, through condensing after hydrophobic membrane 22, the fresh water condensation collecting layer 23 that similar sweating generates absorbs and is recycled by fresh water logical
Road 6 is delivered to fresh water collecting pond 4, and steam is absorbed through the discharged latent heat of condensation after hydrophobic membrane 22 by sheet metal 24, sheet metal
24 waste heat makes the evaporation of seawater in the sweating evaporation layer 21 in next stage Sweat coolling desalination system 2 generate steam, successively follows
Ring.The principle that single-stage vapor recovery of latent heat utilizes is that the heat that sheet metal 24 absorbs is conducted to the sweating evaporation come into full contact with it
Layer 21, the steam of generation generate fresh water through the condensation of hydrophobic membrane 22 and are condensed the absorption of collecting layer 23, condenses light in collecting layer 23
Water is recycled in fresh water collecting pond 4 under gravity by fresh water recovery approach 4.Its latent heat is further by next stage benefit
With such to recycle, the incident photon-to-electron conversion efficiency and light steam transformation efficiency for greatly improving solar hydroelectric coproduction are with evaporation
Continuous progress, due in seawater storage pool 3 salt concentration lower than condensation collecting layer 23 in concentration, so condensation collecting layer 23
In high concentration salt water can be moved into seawater storage pool 3, seawater compensation storeroom 3 in have salt crystallization, by open will storage
It hides indoor strong brine to emit, crystallizes obstruction pipeline to avoid salt.Seawater is continuously replenished by capillary force and conveys fresh water
Into fresh water collecting pond 4, it is equipped with Sweat coolling layer 7 in 24 bottom of sheet metal of system afterbody Sweat coolling desalination system,
By Sweat coolling layer Sweat coolling, the bulk temperature of device is effectively reduced, accelerates steam condensation rate, to improve entire dress
The efficiency set.
It is 30 DEG C in environment temperature, solar battery output is 4.63V under a sun light intensity by experiment.And
After coupling 4 grades of seawater desalination systems of Sweat coolling, solar panel output is 4.93V, and every square meter fresh water yield reaches 1.73kg/h.
Specific embodiments of the present invention are described in detail above, but it is intended only as one such embodiment,
The present invention is not restricted to particular embodiments described above.To those skilled in the art, any couple of present invention carries out
Equivalent modifications and substitution also all among scope of the invention.Therefore, made without departing from the spirit and scope of the invention
Equal transformation and modification, all should be contained within the scope of the invention.
Claims (6)
1. solar battery Sweat coolling and multistage seawater desalting coupled system characterized by comprising
Solar panel, the Solar panel backside bottom are equipped with multistage Sweat coolling desalination system；
Sweat coolling desalination system, including sweating evaporation layer, hydrophobic membrane, the sheet metal, condensation collection being sequentially overlapped from top to bottom
Layer, the Sweat coolling desalination system are directly contacted with the back bottom of solar panel；
Seawater storage pool, the seawater storage pool are steamed by seawater transfer passage and the sweating in every grade of Sweat coolling desalination system
Send out layer connection；
Fresh water collecting pond, the fresh water collecting pond are received by fresh water recovery approach and the condensation in every grade of Sweat coolling desalination system
Collect layer connection；
Sweat coolling layer, the Sweat coolling layer are mounted on the metal layer bottom of afterbody Sweat coolling desalination system and one end
It protrudes into the seawater storage pool.
2. solar battery Sweat coolling according to claim 1 and multistage seawater desalting coupled system, it is characterised in that:
It further include shell, the shell is fixed on sweating evaporation layer and condensation collecting layer surrounding, is lower than 0.3W/ (m ﹒ using thermal coefficient
K silica gel pad).
3. solar battery Sweat coolling according to claim 1 or 2 and multistage seawater desalting coupled system, feature exist
In: the hydrophobic membrane is polytetrafluoroethylene (PTFE) permselective membrane.
4. solar battery Sweat coolling according to claim 1 or 2 and multistage seawater desalting coupled system, feature exist
In: the thermal coefficient of the sheet metal is higher than 100W/ (m ﹒ K), and thickness is less than 1mm.
5. solar battery Sweat coolling according to claim 1 or 2 and multistage seawater desalting coupled system, feature exist
In: the sweating evaporation layer, condensation collecting layer, Sweat coolling layer, seawater transfer passage and fresh water recovery approach are all made of thermally conductive
Coefficient is lower than the Fiber Materials of 0.3W/ (m ﹒ K).
6. solar battery Sweat coolling according to claim 1 and multistage seawater desalting coupled system, it is characterised in that:
The sweating evaporation layer and the thickness of condensation collecting layer are between 0.8mm-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613428.8A CN109626470A (en) | 2018-12-27 | 2018-12-27 | Solar battery Sweat coolling and multistage seawater desalting coupled system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613428.8A CN109626470A (en) | 2018-12-27 | 2018-12-27 | Solar battery Sweat coolling and multistage seawater desalting coupled system |
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| CN109626470A true CN109626470A (en) | 2019-04-16 |
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| CN201811613428.8A Pending CN109626470A (en) | 2018-12-27 | 2018-12-27 | Solar battery Sweat coolling and multistage seawater desalting coupled system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110577251A (en) * | 2019-10-24 | 2019-12-17 | 东华理工大学 | Convection type-I type evaporation and condensation unit and seawater desalination device |
| CN111003742A (en) * | 2019-12-06 | 2020-04-14 | 华北电力大学 | Seawater desalination system for solar photovoltaic waste heat-joule heat gradient utilization |
| CN112340799A (en) * | 2020-10-19 | 2021-02-09 | 北京理工大学 | Double-sided heating type solar photovoltaic/thermal seawater desalination device |
| CN112591853A (en) * | 2020-12-08 | 2021-04-02 | 华中科技大学 | Seawater desalination and battery cooling integrated device |
| CN112803674A (en) * | 2021-01-13 | 2021-05-14 | 中国人民解放军92578部队 | Marine generator cooling system |
| CN113387405A (en) * | 2021-06-23 | 2021-09-14 | 广东工业大学 | Seawater desalination device and seawater desalination system |
| CN114314722A (en) * | 2022-01-15 | 2022-04-12 | 西安交通大学 | Concentrating photovoltaic-steam-thermoelectric solar full spectrum utilization device |
| CN114524479A (en) * | 2022-01-26 | 2022-05-24 | 中南大学 | Solar drive interface evaporator based on heat transfer strengthening |
| CN114644377A (en) * | 2022-02-24 | 2022-06-21 | 上海交大平湖智能光电研究院 | Photovoltaic power generation sea water desalination combined system |
| CN114804487A (en) * | 2022-04-30 | 2022-07-29 | 哈尔滨工业大学 | Solar seawater desalination device for water, electricity and salt co-production |
| CN113387405B (en) * | 2021-06-23 | 2024-05-07 | 广东工业大学 | Seawater desalination device and seawater desalination system |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110577251A (en) * | 2019-10-24 | 2019-12-17 | 东华理工大学 | Convection type-I type evaporation and condensation unit and seawater desalination device |
| CN110577251B (en) * | 2019-10-24 | 2024-03-29 | 东华理工大学 | Convection type I type evaporation condensing unit and sea water desalination device |
| CN111003742A (en) * | 2019-12-06 | 2020-04-14 | 华北电力大学 | Seawater desalination system for solar photovoltaic waste heat-joule heat gradient utilization |
| CN112340799B (en) * | 2020-10-19 | 2022-03-25 | 北京理工大学 | Double-sided heating type solar photovoltaic/thermal seawater desalination device |
| CN112340799A (en) * | 2020-10-19 | 2021-02-09 | 北京理工大学 | Double-sided heating type solar photovoltaic/thermal seawater desalination device |
| CN112591853A (en) * | 2020-12-08 | 2021-04-02 | 华中科技大学 | Seawater desalination and battery cooling integrated device |
| CN112803674A (en) * | 2021-01-13 | 2021-05-14 | 中国人民解放军92578部队 | Marine generator cooling system |
| CN113387405A (en) * | 2021-06-23 | 2021-09-14 | 广东工业大学 | Seawater desalination device and seawater desalination system |
| CN113387405B (en) * | 2021-06-23 | 2024-05-07 | 广东工业大学 | Seawater desalination device and seawater desalination system |
| CN114314722A (en) * | 2022-01-15 | 2022-04-12 | 西安交通大学 | Concentrating photovoltaic-steam-thermoelectric solar full spectrum utilization device |
| CN114524479A (en) * | 2022-01-26 | 2022-05-24 | 中南大学 | Solar drive interface evaporator based on heat transfer strengthening |
| CN114524479B (en) * | 2022-01-26 | 2023-04-07 | 中南大学 | Solar drive interface evaporator based on heat transfer strengthening |
| CN114644377A (en) * | 2022-02-24 | 2022-06-21 | 上海交大平湖智能光电研究院 | Photovoltaic power generation sea water desalination combined system |
| CN114804487A (en) * | 2022-04-30 | 2022-07-29 | 哈尔滨工业大学 | Solar seawater desalination device for water, electricity and salt co-production |
| CN114804487B (en) * | 2022-04-30 | 2023-09-15 | 哈尔滨工业大学 | Solar sea water desalination device for co-production of water and electricity and salt |
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Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |