CN209383435U - A kind of seawater desalination system - Google Patents
A kind of seawater desalination system Download PDFInfo
- Publication number
- CN209383435U CN209383435U CN201821810437.1U CN201821810437U CN209383435U CN 209383435 U CN209383435 U CN 209383435U CN 201821810437 U CN201821810437 U CN 201821810437U CN 209383435 U CN209383435 U CN 209383435U
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- CN
- China
- Prior art keywords
- water
- photovoltaic
- seawater
- photothermal
- condenser
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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 utility model belongs to field of sea water desalting technology, and in particular to a kind of seawater desalination system, cardinal principle are to use expander to carry out the system to sea water desalination using photovoltaic, photo-thermal simultaneously solar radiation optically focused；It include: pretreatment pond, for holding seawater to be processed；Photovoltaic and photothermal unit is converted into electric energy and thermal energy using solar radiation and heats to seawater；Expander upgrading unit, for the seawater after photovoltaic and photothermal unit heating to be separated into salt water and steam；Vacuum condensing unit stores after the water vapour that the expander upgrading unit generates is condensed into fresh water；It is described pretreatment pond and the photovoltaic and photothermal unit between or it is described pretreatment pond upstream, water pump is provided with, for providing water pressure.Fresh water needed for the system solves the problems, such as isolated island and plateau band daily life, avoids water transfer from expending vast resources, reduces economic cost, avoid because bad weather can not transport the defect of water.
Description
Technical field
The utility model belongs to field of sea water desalting technology, is related in more detail a kind of that solar radiation optically focused is sharp simultaneously
The system to sea water desalination is carried out using expander with photovoltaic, photo-thermal.
Background technique
Sea water desalination utilizes seawater desalination to produce fresh water.It is the open source increment technique realizing water resource and utilizing, Ke Yizeng
Add fresh water total amount, and not by space-time and climatic effect, can ensure that coastal Drinking Water for Residents and Industrial Boiler moisturizing etc. are stablized and supply
Water.The process that fresh water is obtained from seawater calls sea water desalination.Method for desalting seawater used has sea water freeze method, electrodialysis now
Method, the way of distillation, hyperfiltration and the ammonium carbonate ion-exchange that can realize profit.
More commonly used sea water desalination method has multistage flash vaporization and hyperfiltration (RO) in the prior art.Multistage flash vaporization is light
Water separation equipment and fuel oil are expensive, and fossil energy will cause environmental pollution.And hyperfiltration (RO) plant energy consumption
It is higher, it need to work under high pressure, membrane module rapid wear, and it is general to be discharged quality.
Utility model content
In order to overcome the technical issues of mentioning in background technique, fresh water needed for solving isolated island and plateau band daily life
Problem avoids water transfer from expending vast resources, reduces economic cost, avoids because bad weather can not transport the defect of water, this is practical
It is novel to provide a kind of seawater desalination system.
The technical scheme adopted by the utility model is
A kind of seawater desalination system, comprising:
Pond is pre-processed, for holding seawater to be processed；
Photovoltaic and photothermal unit is converted into electric energy and thermal energy using solar radiation and heats to seawater；
Expander upgrading unit, for the seawater after photovoltaic and photothermal unit heating to be separated into salt water and water
Steam；
Vacuum condensing unit stores after the water vapour that the expander upgrading unit generates is condensed into fresh water；
It is described pretreatment pond and the photovoltaic and photothermal unit between or it is described pretreatment pond upstream, setting
There is water pump, for providing water pressure.
In above-mentioned seawater desalination system, the photovoltaic and photothermal unit includes glass channel photovoltaic and photothermal component and sun set
Hot device, the pretreatment pond are connect by the glass channel photovoltaic and photothermal component with the solar heat collector.
In above-mentioned seawater desalination system, between the glass channel photovoltaic and photothermal component and the solar heat collector also
It is connected with boiler.
In above-mentioned seawater desalination system, the expander upgrading unit includes flash-boiling evaporators and concentrated seawater tank, institute
The bottom for stating flash-boiling evaporators is connected to by pipeline with the concentrated seawater tank, and the flash-boiling evaporators also pass through pipeline connection respectively
Solar heat collector and vacuum condensing unit.
In above-mentioned seawater desalination system, the vacuum condensing unit includes condenser, vacuum pump and fresh water tank；It is described solidifying
Vapour device is connected to the flash-boiling evaporators, and the bottom of the condenser is respectively communicated with the fresh water tank and the vacuum by pipeline
Pump.
In above-mentioned seawater desalination system, the line segments between the vacuum pump and the condenser are also connected with drying
Device.
In above-mentioned seawater desalination system, between the pretreatment pond and the glass channel photovoltaic and photothermal component also
It is communicated with circulation loop, a part of the circulation loop is as in the condenser, for absorbing heat.
In above-mentioned seawater desalination system, the glass channel photovoltaic and photothermal component includes CPC condenser, PV solar panel
And glass channel；The CPC condenser is arranged in the upper surface of described PV solar panel, and the glass is arranged below the PV solar panel
Runner；One end of the glass channel is connected to the pretreatment pond, and the other end is connected to the boiler.
In above-mentioned seawater desalination system, between the CPC condenser and the PV solar panel and the PV battery
EVA layer is provided between plate and the glass channel.
It further include fresh water holding tank in above-mentioned seawater desalination system, the bottom of the condenser is existed by piping connection
The top of the fresh water holding tank, the vacuum pump and the drier are also by pipeline connection on the top of the fresh water holding tank
Portion.
The technical effect of the utility model:
The utility model improves the comprehensive utilization ratio of solar energy, and gained fresh water is in 20ppm hereinafter, can reach Drinking Water
National standard greatly reduces isolated island and outlying district urbanite water consumption cost；Meanwhile glass channel photovoltaic and photothermal component improves
Photo-thermal absorbs total amount, and thermal resistance is lower, and the heat for taking away solar panel immediately cools down, this can be such that the thermal efficiency and electrical efficiency reaches
To 67.8% and 14.8%, heat production electricity production cost is substantially reduced.
The glass channel photovoltaic and photothermal components absorption solar energy of the utility model produces electricl energy and thermal energy, wherein the sun
The electric energy that can be generated replaces conventional electric energy (alternating current) to drive each power consuming load of operational process and generate thermal energy, is expander
Hot sea water is provided and carries out level-one desalination, low-grade heat is utilized, and operate under the smallest outside energy (worst cold case), device
Required place and fund are minimum, and obtain high-quality fresh water, and the remaining electric energy resident in photovoltaic part can also use by oneself, and really realize energy
The cascade utilization and Multi-class propagation of amount.The small integrated device distributed can be run, and be suitble to the area of water consumption dispersion, effectively
It uses manpower and material resources sparingly, while having achieved the effect that energy-saving and emission-reduction.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the connection schematic diagram of an embodiment of the utility model seawater desalination system；
Fig. 2 is the schematic diagram of internal structure of an embodiment of the utility model photovoltaic and photothermal unit；
Fig. 3 is the structural schematic diagram of an embodiment of the utility model flash-boiling evaporators；
Fig. 4 is the structural schematic diagram of an embodiment of the utility model condenser.
The reference numerals are as follows:
1, pond is pre-processed；2, water pump；3, glass channel photovoltaic and photothermal component；4, solar heat collector；5, boiler；6,
Flash-boiling evaporators；7, concentrated seawater tank；8, condenser；9, vacuum pump；10, fresh water tank；11, drier；12, circulation loop；13, compacted
Dynamic pump；14, electric control valve；301, CPC condenser；302, PV solar panel；303, glass channel；304, EVA layer；801, baffling
Plate.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Fresh water needed for the band daily life of the plateaus such as the certain isolated islands in China and Qinghai, Tibet is mostly from continent or neighbouring island
Water transfer solves problem of water consumption, and resource consumption is big, and economic cost is high, and can not be sent in bad weather, therefore in many littorals
Area and outlying hinterland use seawater or brackish water desalination preparing fresh at the breach solved the problems, such as nearby.
In order to solve the above problems simultaneously, the utility model provides a kind of seawater desalination system, which includes for containing
Put the pretreatment pond 1 of seawater to be processed；The pretreatment pond 1 enters photovoltaic and photothermal unit by 2 pumping seawater of water pump,
Electric control valve 14 is also communicated between photovoltaic and photothermal unit and water pump 2, which is converted using solar radiation
For electric energy and thermal energy, thermal energy directly heats seawater, and electric energy can carry out storage and be also used for carrying out each electrical appliance
Power supply, the seawater after heating enter expander upgrading unit, the photovoltaic light will be passed through in expander upgrading unit
Seawater after hot cell heating is separated into salt water and steam, and water vapour water vapour in vacuum condensing unit is condensed into fresh water
After store.
As an embodiment of the utility model, referring to Figure 1, seawater to be diluted is taken out using water pump 2 and is entered
It pre-processes in pond 1, pretreatment pond 1 is communicated with circulation loop 12, is also connected with glass channel photovoltaic and photothermal component 3.It refers to
Fig. 2, wherein glass channel photovoltaic and photothermal component 3 includes CPC condenser 301, PV solar panel 302 and glass channel 303；It is described
The CPC condenser 301 is arranged in the upper surface of PV solar panel 302, and the glass channel is arranged below the PV solar panel 302
303；One end of the glass channel 303 is connected to the pretreatment pond 1, and the other end is connected to the boiler 5；Institute
It states between CPC condenser 301 and the PV solar panel 302 and between the PV solar panel 302 and the glass channel 303
It is provided with EVA layer 304.
With continued reference to Fig. 1, electric energy a part that wherein PV solar panel 302 converts directly is made by grid-connected inverters to user
With in China customer power supply net can be incorporated to using 220V voltage；In 3 operational process of glass channel photovoltaic and photothermal component,
Referring to Figure 1, Fig. 2, can be using glass channel photovoltaic and photothermal component 3 to be installed on testing stand, and use is existing
Technology twin shaft tracks solar irradiation, and sunlight is irradiated to 302 surface of PV solar panel, PV solar panel after CPC condenser 301 collects
A portion energy is converted electric energy by 302 reception sunlights, in glass channel 303, PV solar panel 302 and cooling sea
Thermal resistance between water is lower, and cooling seawater can take away more heats from PV solar panel 302, seawater temperature liter therefrom
It is high.
Referring to Fig. 1 and Fig. 3, it should be noted that the raw water in Fig. 3 is exactly the seawater after heating, and saturated water is
Strong brine, saturated vapor are water vapours.Seawater after tentatively heating can enter directly into boiler 5, boiler 5 with
Connection relationship between solar heat collector 4 can also be that the top of solar heat collector 4 is arranged in boiler 5, while be connected to process
Seawater after the heating of glass channel photovoltaic and photothermal component 3, double endotherm, the seawater after heat absorption can be using in solar heat-collection
Brine pump 2 is added between device 4 and flash-boiling evaporators 6, the sea water pump 2 for being up to temperature enters into flash-boiling evaporators 6, expander
Device 6 and condenser 8 maintain vacuum degree in flash-boiling evaporators 6 due to being connected with vacuum pump 9, high in flash-boiling evaporators 6
Warm seawater part due to the suddenly reduction of pressure vaporizes, and the steam for vaporizing generation is passing through demister (in figure through the pipeline of top
It is not shown) enter the condensation of condenser 8 afterwards, remaining strong brine is then taken away by peristaltic pump 13 to dense sea in 6 lower part of flash-boiling evaporators
Water pot 7.
Referring to Fig. 1 and Fig. 4, when operation, vacuum pump 9 maintains the vacuum degree of flash-boiling evaporators 6 and condenser 8, guarantees
Steam in flash-boiling evaporators 6 can smoothly reach condenser 8, and one end of circulation loop 12 connects the top nozzle 121 of condenser,
The other end connects the nozzle 122 on condenser top, and the refrigerated sea water in circulation loop 12 is constantly in the condenser pipe of condenser 8
In flow through to the intracorporal steam of shell is cooling condense its condensation, steam sufficiently after can output fresh water enter in fresh water tank 10 and store up
It deposits.Referring to fig. 4, baffle plate 801 is additionally provided in condenser 8, so that heat exchange is more abundant, condensation effect is more preferable.Described true
Line segments between sky pump 9 and the condenser 8 are also connected with drier 11.It should be noted that in condenser 8 and fresh water
A fresh water holding tank 15 is also communicated between tank 10；Wherein the bottom of condenser 8 is by piping connection in fresh water holding tank 15
Top, vacuum pump 9 and drier 11 are also by pipeline connection at the top of fresh water holding tank 15.
The utility model improves the comprehensive utilization ratio of solar energy, and gained fresh water is in 20ppm hereinafter, can reach Drinking Water
National standard greatly reduces isolated island and outlying district urbanite water consumption cost；Meanwhile glass channel photovoltaic and photothermal component improves
Photo-thermal absorbs total amount, and thermal resistance is lower, and the heat for taking away solar panel immediately cools down, this can be such that the thermal efficiency and electrical efficiency reaches
To 67.8% and 14.8%, heat production electricity production cost is substantially reduced.
The glass channel photovoltaic and photothermal components absorption solar energy of the utility model produces electricl energy and thermal energy, wherein the sun
The electric energy that can be generated replaces conventional electric energy (alternating current) to drive each power consuming load of operational process and generate thermal energy, is expander
Hot sea water is provided and carries out level-one desalination, low-grade heat is utilized, and operate under the smallest outside energy (worst cold case), device
Required place and fund are minimum, and obtain high-quality fresh water, and the remaining electric energy resident in photovoltaic part can also use by oneself, and really realize energy
The cascade utilization and Multi-class propagation of amount.The small integrated device distributed can be run, and be suitble to the area of water consumption dispersion, effectively
It uses manpower and material resources sparingly, while having achieved the effect that energy-saving and emission-reduction.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of seawater desalination system characterized by comprising
Pond is pre-processed, for holding seawater to be processed；
Photovoltaic and photothermal unit is converted into electric energy and thermal energy using solar radiation and heats to seawater；
Expander upgrading unit, for the seawater after photovoltaic and photothermal unit heating to be separated into salt water and water steaming
Vapour；
Vacuum condensing unit stores after the water vapour that the expander upgrading unit generates is condensed into fresh water；
It is described pretreatment pond and the photovoltaic and photothermal unit between or it is described pretreatment pond upstream, be provided with water
Pump, for providing water pressure.
2. seawater desalination system according to claim 1, which is characterized in that the photovoltaic and photothermal unit includes glass channel
Photovoltaic and photothermal component and solar heat collector, the pretreatment pond pass through the glass channel photovoltaic and photothermal component and the sun
Heat collector connection.
3. seawater desalination system according to claim 2, which is characterized in that the glass channel photovoltaic and photothermal component with
Boiler is also connected between the solar heat collector.
4. seawater desalination system according to claim 3, which is characterized in that the expander upgrading unit includes dilatation
The bottom of evaporator and concentrated seawater tank, the flash-boiling evaporators is connected to by pipeline with the concentrated seawater tank, the expander
Device also passes through pipeline connection solar heat collector and vacuum condensing unit respectively.
5. seawater desalination system according to claim 4, which is characterized in that the vacuum condensing unit include condenser,
Vacuum pump and fresh water tank；The condenser is connected to the flash-boiling evaporators, and the bottom of the condenser is connected respectively by pipeline
Lead to the fresh water tank and the vacuum pump.
6. seawater desalination system according to claim 5, which is characterized in that between the vacuum pump and the condenser
Line segments be also connected with drier.
7. seawater desalination system according to claim 6, which is characterized in that in the pretreatment pond and the glass stream
Circulation loop is also communicated between road photovoltaic and photothermal component, a part of the circulation loop is used for as in the condenser
Absorb heat.
8. seawater desalination system according to claim 7, which is characterized in that the glass channel photovoltaic and photothermal component includes
CPC condenser, PV solar panel and glass channel；The CPC condenser, the PV solar panel is arranged in the upper surface of described PV solar panel
Below the glass channel is set；One end of the glass channel is connected to the pretreatment pond, the other end and the heat
Water tank connection.
9. seawater desalination system according to claim 8, which is characterized in that in the CPC condenser and the PV battery
EVA layer is provided between plate and between the PV solar panel and the glass channel.
10. seawater desalination system according to claim 9, which is characterized in that further include fresh water holding tank, the condenser
Bottom by piping connection at the top of the fresh water holding tank, the vacuum pump and the drier are also by pipeline connection
At the top of the fresh water holding tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810437.1U CN209383435U (en) | 2018-11-05 | 2018-11-05 | A kind of seawater desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810437.1U CN209383435U (en) | 2018-11-05 | 2018-11-05 | A kind of seawater desalination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209383435U true CN209383435U (en) | 2019-09-13 |
Family
ID=67867858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821810437.1U Expired - Fee Related CN209383435U (en) | 2018-11-05 | 2018-11-05 | A kind of seawater desalination system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209383435U (en) |
-
2018
- 2018-11-05 CN CN201821810437.1U patent/CN209383435U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20201105 |