CN104528853B - A kind of embedded pair of chimney type solar seawater desalination system and desalination method thereof - Google Patents
A kind of embedded pair of chimney type solar seawater desalination system and desalination method thereof Download PDFInfo
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- CN104528853B CN104528853B CN201410737281.9A CN201410737281A CN104528853B CN 104528853 B CN104528853 B CN 104528853B CN 201410737281 A CN201410737281 A CN 201410737281A CN 104528853 B CN104528853 B CN 104528853B
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- Y02A20/141—Wind power
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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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of embedded pair of chimney type solar seawater desalination system and desalination method thereof, horizontally disposed thermal-arrest canopy is connected with inner chimney；The linear Fresnel formula concentrating collector being in tilted layout is connected with trunk of funnel；Trunk of funnel height is higher than inner chimney height；Wind turbine is had bottom inner chimney；Liquor separator is had in interior trunk of funnel partition；Condenser is had in trunk of funnel.Solar energy heating horizontal thermal-arrest canopy produces air stream；Air stream promotes the wind turbine part electric energy needed for offer system bottom inner chimney；Linear Fresnel formula concentrating collector heating seawater produces water vapour；Empty airflow injection steam in inner chimney is condensed into fresh water after flowing to condenser；Fresh water flows into fresh water tank along trunk of funnel wall；The strong brine of higher temperature flows into recuperation layer bottom horizontal thermal-arrest canopy and stores energy.Present configuration is compact, power source and energy source is reasonably apart from out, and can better profit from and manage solar energy, improves fresh water productivity.
Description
Technical field
The invention belongs to field of sea water desalting technology, relate to a kind of solar energy full-boiled process method for desalting seawater, particularly to
The solar seawater desalination system of a kind of embedded pair of chimney type and desalination method.
Background technology
China freshwater resources occupancy volume per person about 2200m3, for 1/4th of world average level, arranged by the United Nations
It it is one of the country of 13 hydropenias.China is ocean big country, and coastline is very long, and available solar energy carries out sea
Water is desalinated.Existing desalination with Solar Energy has reached more than 20 kinds, and it mainly has two ways: one is to utilize too
Sun can generate electricity to drive reverse osmosis process；Two is to utilize solar energy to produce heat energy to make its phase transformation evaporate to distill sea water.
Solar energy reverse osmosis method needs the parts such as high-pressure pump, reverse osmosis membrane, heat exchanger, condenser, thus system complex,
Initial cost is relatively costly.And solar distilling method is simple, be widely used, technology maturation, and without additional electrical energy
Input.
Nineteen eighty-two, doctor Schlaich of Stuttgart University, Germany designs and establishes First solar chimney
Demonstration Station, this power station is by horizontally disposed circular thermal-arrest canopy, the chimney being positioned at thermal-arrest canopy center and layout
Three critical pieces of turbine power generation unit at thermal-arrest canopy with the connecting portion of chimney are constituted, and wherein chimney height is
194.6m, chimney radius are 5.08m, thermal-arrest canopy area 46000m2, theoretical generated output is 50kW.Its work
Process is sunlight thermal-arrest canopy, and the air in heating canopy and the soil under canopy, heated air temperature raises, close
Degree declines, and forms one powerful ascending air under the swabbing action of solar chimney, drives wind turbine to send out
Electricity, the cold air around thermal-arrest canopy supplements and enters in canopy simultaneously, forms continual air circulation flow.Existing
Research shows that solar energy hot gas flow generating system electrical efficiency is extremely low, and MW level power station electrical efficiency is only 1% rank.But,
This system thermal efficiency is higher, typically can reach more than 50%.
Solar chimney system is combined with solar distilling method desalinization, the heat energy obtained at the sun is used for
Evaporation sea water will can give full play to both advantages, has the advantage of simple in construction, greater efficiency.In existing patent
By solar chimney system and the case that solar distilling method desalinization is combined, it is respectively as follows: notification number
CN1331764C, the day for announcing is on August 15th, 2007 and publication number is CN101358578A, and the day for announcing is 2009
The Chinese invention patent on February 4, in.But these patents all directly arrange brine pit, solar energy under thermal-arrest canopy
A large amount of energy expenditure will be had when heating thermal-arrest canopy on saline evaporates, thus have lost substantial amounts of energy, simultaneously
Also make the variable density of steam in thermal-arrest canopy reduce, and then have impact on and enter the air velocity of chimney thus reduce
Fresh water productivity.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the technical problem to be solved there is provided a kind of novel
Seawater desalination system based on solar chimney, what this system used that solar energy provides energy source and power source respectively is
System scheme.Specifically: energy source is mainly used in optically focused heating seawater and it is evaporated, and power source mainly heats sky
Gas thus in chimney, produce flow at high speed air-flow, evaporation gained steam and ascending air enter embedded solar energy
It is cooled to fresh water through condenser after chimney.The present invention also introduces preheating, energy regenerating and hold over system simultaneously.
The present invention for achieving the above object, adopts the following technical scheme that
A kind of embedded pair of chimney type solar seawater desalination system, including inner chimney (1), trunk of funnel (2), linear
Fresnel concentrating collector (3), transparent thermal-arrest canopy (5), seawater preheating device (6), condenser (7), sea water
Input pipe (8), water receiving tank (10), fresh water tank (11), thermal-arrest canopy bottom surface absorber plate (12), concentrated seawater heat accumulation
Tank, support group (17), fresh water connecting tube (18)；Described inner chimney (1) is embedded in trunk of funnel (2), interior
Below chimney (1) outlet, seawater preheating device (6), trunk of funnel (2) built-in condenser (7) are set；Described interior cigarette
The bottom of chimney (1) connects transparent thermal-arrest canopy (5), and described junction arranges water receiving tank (10), described water receiving tank (10)
Connecting fresh water tank (11) by fresh water connecting tube (18), described transparent thermal-arrest canopy (5) bottom by organizing support more
Group (17) supports, and described support group (17) is positioned at the top of thermal-arrest canopy bottom surface absorber plate (12) of annular setting,
Described support group (17) upper end the most angularly disposed linear Fresnel formula concentrating collector (3), described thermal-arrest canopy bottom surface
Absorber plate (12) lower section arranges concentrated seawater heat storage can, arranges horizontal sea water input pipe below described concentrated seawater heat storage can
(8)。
Above-mentioned inner chimney (1) bottom arranges wind turbine (4).
Above-mentioned linear Fresnel formula concentrating collector (3) is by Fresnel Lenses (19) and blacking heat-absorbent surface (20)
Composition, described Fresnel Lenses (19) is wider than blacking heat-absorbent surface (20).
Above-mentioned blacking heat-absorbent surface (20) uses pitch-dark, and is stairstepping.
Sea water circumference liquor separator (9), described sea water circumference liquor separator (9) and painting are set in above-mentioned trunk of funnel (2)
Black heat-absorbent surface (20) is connected.
Above-mentioned fresh water tank (11) is horizontally disposed with fresh water outlet tube (15), and described concentrated seawater heat storage can is horizontally disposed with dense
Sea water outlet tube (16).
Above-mentioned condenser (7) exports higher than inner chimney (1), and is arranged symmetrically with for inclination.
Above-mentioned transparent thermal-arrest canopy (5) arranges vent (14).
A kind of embedded pair of chimney type solar desalination process, utilizes above-mentioned system, comprises the steps:
(1), sea water after primary filter by transport pump to seawater preheating device (6), in this place with extraneous wet steaming
Vapour heat exchange and improve temperature, then slowly flowed on blacking heat-absorbent surface (20) by sea water circumference liquor separator (9),
Heat-absorbent surface is formed sea water liquid film, thus by Fresnel Lenses (19) optically focused heating blacking heat-absorbent surface (20),
And then make the sea water thin film evaporation above heat-absorbent surface, and producing steam, concentrated seawater then flows in concentrated seawater heat storage can,
Accumulation heat energy gives over to without using when the sun in this place, by concentrated seawater outlet tube (16) after the storage of concentrated seawater heat storage can water is full
Flow out；
(2), air divide two-way, a road flows in linear Fresnel concentrating collector, and another road is from transparent thermal-arrest
Inner chimney (1) is entered, at linear Fresnel light and heat collection between canopy (5) and thermal-arrest canopy bottom surface absorber plate (12)
In device, air is purged above sea water thin film, and when sea water thin film rapid evaporation, air humidity substantial increase, wet
Air enter under buoyancy lift effect and inner chimney (1) jet ejector action between trunk of funnel wall, then flow to sea
Water preheater (6), the humid air flowing space increases suddenly seawater preheating device (6) effect in addition thus solidifying in this place
Become the water receiving tank (10) below fresh water drippage entrance and be then stored in fresh water tank (11)；Transparent thermal-arrest canopy (5)
And between thermal-arrest canopy bottom surface absorber plate (12), air flows through during transparent thermal-arrest canopy (5) heated, thus temperature
High-density reduces, and enters inner chimney (1), then flow to trunk of funnel (2) under chimney buoyancy lift effect.
(3), be mixed in trunk of funnel (2) entrance condenser with the humid air through seawater preheating device (6)
(7), continue in this place to condense some vapor, then enter air；
(4), wind turbine (4) gives over to peak regulation use；Wind-power electricity generation obtain electric energy after inverter frequency modulation together
It is stored in accumulator, and rear drive pump makes sea water flow into sea water input pipe (8), can directly use if any electric energy is more than needed
Make electrical heating sea water thin film or concentrated seawater fluid reservoir 13.
The present invention is operationally:
Linear Fresnel formula condenser is centered by solar energy trunk of funnel, and peripheral, oblique is distributed, and sea water is through primary mistake
By transport pump to seawater preheating device after filter, carry with the moist steam of trunk of funnel and the hot-air heat exchange of inner chimney in this place
High-temperature, then by slowly entering on blacking heat-absorbent surface after circumference separating tube shunting, forms sea water liquid film.Solar energy
Assembled by linear Fresnel formula thus heat blacking heat-absorbent surface, then by heat-absorbent surface heat the sea water thin film of its lower surface from
And produce steam.Blacking heat-absorbent surface is notch cuttype, can be effectively increased evaporation of seawater amount.Sea water produces after pervaporation
Raw concentrated seawater then flows in the concentrated seawater heat storage can below the absorber plate of thermal-arrest canopy bottom surface, and accumulation heat energy stays in this place
Make without using when the sun.Then flowed out by concentrated seawater outlet tube after the storage of concentrated seawater heat storage can water is full.Air divides two-way to enter
Entering this system, portion of air produces buoyancy lift via the heating of linear Fresnel concentrating collector, quickly thin from sea water
Above film purged so that sea water thin film rapid evaporation, and air humidity substantial increase.Humid air is in buoyancy lift
In the lower interlayer entering interior trunk of funnel of effect, then flowing to seawater preheating device, the humid air flowing space is unexpected in this place
Increase seawater preheating device effect in addition thus be condensed into the water receiving tank below fresh water drippage entrance and be then stored in fresh water tank.
Another part air via between thermal-arrest canopy bottom surface absorber plate and thermal-arrest canopy bottom surface absorber plate formed air blanketing,
In this interlayer, air is heated by the absorber plate bottom thermal-arrest canopy, thus temperature high-density reduces, with external environment condition
Form density contrast, thus form pressure differential, produce powerful ascending air and drive the wind being placed in inner chimney bottom center
Power turbine, thus drive electrical power generators, then flow to trunk of funnel.And air at this moment remains the hot blast of rising,
This hot blast finally can be mixed entrance trunk of funnel with injection through the humid air of seawater preheating device in the chimney dual pathways
Rear continuation rises, and through condenser, in this place by moist steam time condensation, forms fresh water and drips along trunk of funnel wall.
This condenser is that inclination is arranged symmetrically with, it is simple to fresh water can be collected to trunk of funnel wall, and condenser portion is stretched out
Outside chimney, being internally formed Natural Circulation at condenser, it is outside at chimney that the water that temperature is high can be recycled to condenser
Part is carried out air-cooled by external environment condition, and the water that temperature is low is recycled to bottom condenser, carries out cold to the moist steam risen
But, this condenser is higher due to position simultaneously, can cool down in the ambient temperature utilizing night relatively low.
Technical scheme compared with prior art, has the advantages that the inclination having circumferentially
Thermal-arrest canopy, can strengthen the safety of chimney while increasing the solar radiation quantity absorbed；There are inside and outside two chimneys,
Air divides two-way to enter system, through air distribution optimization so that desalinization efficiency improves；Area under the line,
Linear Fresnel formula condenser is centered by solar energy trunk of funnel, and circumference uniform pitch is distributed, and can increase heat collector
Collector area, and improve its collecting efficiency；Use condenser can be effectively improved water vapor condensation efficiency；Cold
Condenser is that inclination is arranged symmetrically with, it is simple to fresh water can be collected to trunk of funnel wall, and part stretch out can outside chimney
So that its condenser is internally formed Natural Circulation, from the input without additional energy source.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made into one
The detailed description of step, wherein:
Fig. 1 is embedded pair of chimney type solar seawater desalination system schematic diagram of the present invention.
Fig. 2 is linear Fresnel formula concentrating collector structure chart of the present invention.
Fig. 3 is the sectional view of trunk of funnel inner condenser.
In figure:
1, inner chimney, 2, trunk of funnel, 3, linear Fresnel formula concentrating collector, 4, wind turbine, 5,
Transparent thermal-arrest canopy, 6, seawater preheating device, 7, condenser, 8, sea water input pipe, 9, sea water circumference liquor separator,
10, water receiving tank, 11, fresh water tank, 12, thermal-arrest canopy bottom surface absorber plate, 13, concentrated seawater heat storage can, 14, ventilate
Mouthful, 15, fresh water outlet tube, 16, concentrated seawater outlet tube, 17, support group, 18, fresh water connecting tube, 19, luxuriant and rich with fragrance
Nie Er lens, 20, blacking heat-absorbent surface.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.As it is shown in figure 1, a kind of embedded pair of chimney type solar energy sea
Water desalination system, including inner chimney 1, trunk of funnel 2, linear Fresnel formula concentrating collector 3, transparent thermal-arrest canopy 5,
Seawater preheating device 6, condenser 7, sea water input pipe 8, water receiving tank 10, fresh water tank 11, thermal-arrest canopy bottom surface absorber plate
12, concentrated seawater heat storage can 13, support group 17, fresh water connecting tube 18；Inner chimney 1 is embedded in trunk of funnel 2, interior cigarette
Below chimney 1 outlet, seawater preheating device 6, the built-in condenser of trunk of funnel 27 are set；The bottom of inner chimney 1 connects transparent collection
Hot canopy 5, junction arranges water receiving tank 10, and water receiving tank 10 connects fresh water tank 11, transparent collection by fresh water connecting tube 18
Being supported by many group support groups 17 bottom hot canopy 5, support group 17 is positioned at the thermal-arrest canopy bottom surface absorber plate 12 of annular setting
Top, support group 17 upper end the most angularly disposed linear Fresnel formula concentrating collector 3, thermal-arrest canopy bottom surface absorber plate
Concentrated seawater heat storage can 13 is set below 12, horizontal sea water input pipe 8 is set below concentrated seawater heat storage can 13.
Bottom above-mentioned inner chimney 1, wind turbine 4 is set.
Above-mentioned linear Fresnel formula concentrating collector 3 is made up of Fresnel Lenses 19 and blacking heat-absorbent surface 20, described phenanthrene
Nie Er lens 19 are wider than blacking heat-absorbent surface 20.
Above-mentioned blacking heat-absorbent surface 20 uses pitch-dark, and is stairstepping.
Arranging sea water circumference liquor separator 9 in above-mentioned trunk of funnel 2, sea water circumference liquor separator 9 is connected with blacking heat-absorbent surface 20.
Above-mentioned fresh water tank 11 is horizontally disposed with fresh water outlet tube 15, and concentrated seawater heat storage can 13 is horizontally disposed with concentrated seawater outlet tube
16。
Above-mentioned condenser 7 exports higher than inner chimney 1, and is arranged symmetrically with for inclination.
Above-mentioned transparent thermal-arrest canopy 5 arranges vent 14.
A kind of embedded pair of chimney type solar desalination process, sea water after primary filter by transport pump to sea water
Preheater 6, in this place with extraneous moist steam heat exchange and improve temperature, then by sea water circumference liquor separator 9 slowly
Flow on blacking heat-absorbent surface 20, heat-absorbent surface is formed sea water liquid film, thus is heated by Fresnel Lenses 19 optically focused
Blacking heat-absorbent surface 20, and then make the sea water thin film evaporation above heat-absorbent surface, producing steam, concentrated seawater then flows into
In concentrated seawater heat storage can 13, accumulation heat energy gives over to without using when the sun in this place.Concentrated seawater heat storage can 13 water stores up
Then flowed out by concentrated seawater outlet tube 16 after Man.Linear Fresnel formula condenser 3 centered by chimney circumferentially,
For making condenser efficiency higher, position and the position of sun that can place according to it are adjusted.Air divides two-way,
One tunnel flows in linear Fresnel concentrating collector 3, absorbs heat from transparent thermal-arrest canopy 5 and thermal-arrest canopy bottom surface in another road
Inner chimney 1 is entered between plate 12.In linear Fresnel concentrating collector 3, air purges above sea water thin film
Cross, the air humidity substantial increase when sea water thin film rapid evaporation.Humid air is penetrated in buoyancy lift effect and inner chimney 1
In entering under stream ejector action between trunk of funnel wall, then flow to seawater preheating device 6, in this place the humid air flowing space
Suddenly increase seawater preheating device 6 in addition act on thus be condensed into fresh water drippage enter below water receiving tank 10 then deposit
Enter fresh water tank 11.Between transparent thermal-arrest canopy 5 and thermal-arrest canopy bottom surface absorber plate 12, quilt when air flows through thermal-arrest canopy
Heating, thus temperature high-density reduces, and enters inner chimney 1, then flow to foreign cigarette under chimney buoyancy lift effect
Chimney 2.Be mixed in trunk of funnel entrance condenser 7 with the humid air through seawater preheating device 6, continues in this place
Continuous by some vapor condensation, then enter air.Wind turbine 4 gives over to peak regulation and uses.The electricity that wind-power electricity generation obtains
Can be stored in accumulator together after inverter frequency modulation, and rear drive pump makes sea water flow into sea water input pipe 8.As
There is electric energy to have more than needed and can be directly used as electrical heating sea water thin film or concentrated seawater heat storage can 13.
Claims (9)
1. embedded pair of chimney type solar seawater desalination system, it is characterised in that: include inner chimney (1), trunk of funnel (2), linear Fresnel formula concentrating collector (3), transparent thermal-arrest canopy (5), seawater preheating device (6), condenser (7), sea water input pipe (8), water receiving tank (10), fresh water tank (11), thermal-arrest canopy bottom surface absorber plate (12), concentrated seawater heat storage can (13), support group (17), fresh water connecting tube (18)；Described inner chimney (1) is embedded in trunk of funnel (2), arranges seawater preheating device (6), trunk of funnel (2) built-in condenser (7) below inner chimney (1) outlet；The bottom of described inner chimney (1) connects transparent thermal-arrest canopy (5), described junction arranges water receiving tank (10), described water receiving tank (10) connects fresh water tank (11) by fresh water connecting tube (18), described transparent thermal-arrest canopy (5) bottom is supported by many groups support group (17), described support group (17) is positioned at the top of thermal-arrest canopy bottom surface absorber plate (12) of annular setting, described support group (17) upper end the most angularly disposed linear Fresnel formula concentrating collector (3), described thermal-arrest canopy bottom surface absorber plate (12) lower section arranges concentrated seawater heat storage can (13), described concentrated seawater heat storage can (13) lower section arranges horizontal sea water input pipe (8).
Embedded pair of chimney type solar seawater desalination system of one the most according to claim 1, it is characterised in that: described inner chimney (1) bottom arranges wind turbine (4).
Embedded pair of chimney type solar seawater desalination system of one the most according to claim 2, it is characterized in that: described linear Fresnel formula concentrating collector (3) is made up of Fresnel Lenses (19) and blacking heat-absorbent surface (20), described Fresnel Lenses (19) is wider than blacking heat-absorbent surface (20).
Embedded pair of chimney type solar seawater desalination system of one the most according to claim 3, it is characterised in that: described blacking heat-absorbent surface (20) uses pitch-dark, and is stairstepping.
Embedded pair of chimney type solar seawater desalination system of one the most according to claim 4, it is characterised in that: arranging sea water circumference liquor separator (9) in described trunk of funnel (2), described sea water circumference liquor separator (9) is connected with blacking heat-absorbent surface (20).
Embedded pair of chimney type solar seawater desalination system of one the most according to claim 5, it is characterised in that: described fresh water tank (11) is horizontally disposed with fresh water outlet tube (15), and described concentrated seawater heat storage can (13) is horizontally disposed with concentrated seawater outlet tube (16).
Embedded pair of chimney type solar seawater desalination system of one the most according to claim 1, it is characterised in that: described condenser (7) exports higher than inner chimney (1), and is arranged symmetrically with for inclination.
Embedded pair of chimney type solar seawater desalination system of one the most according to claim 1, it is characterised in that: described transparent thermal-arrest canopy (5) arranges vent (14).
9. embedded pair of chimney type solar desalination process, it is characterised in that utilize the system described in claim 6, comprise the steps:
(1), sea water after primary filter by transport pump to seawater preheating device (6), in this place with extraneous moist steam heat exchange and improve temperature, then slowly flowed on blacking heat-absorbent surface (20) by sea water circumference liquor separator (9), heat-absorbent surface is formed sea water liquid film, thus by Fresnel Lenses (19) optically focused heating blacking heat-absorbent surface (20), and then make the sea water thin film evaporation above heat-absorbent surface, produce steam, concentrated seawater then flows in concentrated seawater heat storage can (13), accumulation heat energy gives over to without using when the sun in this place, flowed out by concentrated seawater outlet tube (16) after the storage of concentrated seawater heat storage can (13) water is full；
(2), air divides two-way, one tunnel flows in linear Fresnel concentrating collector (3), another road is from entering inner chimney (1) between transparent thermal-arrest canopy (5) and thermal-arrest canopy bottom surface absorber plate (12), in linear Fresnel concentrating collector (3), air is purged above sea water thin film, the air humidity substantial increase when sea water thin film rapid evaporation, humid air enter under buoyancy lift effect and inner chimney (1) jet ejector action between trunk of funnel wall, then seawater preheating device (6) is flowed to, the humid air flowing space increases suddenly seawater preheating device (6) effect in addition thus is condensed into the water receiving tank (10) below fresh water drippage entrance and is then stored in fresh water tank (11) in this place；Between transparent thermal-arrest canopy (5) and thermal-arrest canopy bottom surface absorber plate (12), air flows through during transparent thermal-arrest canopy (5) heated, thus temperature high-density reduces, and enters inner chimney (1), then flow to trunk of funnel (2) under chimney buoyancy lift effect；
(3), be mixed in trunk of funnel (2) with the humid air through seawater preheating device (6) entrance condenser (7), continues in this place to condense some vapor, then enters air；
(4), wind turbine (4) gives over to peak regulation use；The electric energy that wind-power electricity generation obtains is stored in accumulator after inverter frequency modulation together, and rear drive pump makes sea water flow into sea water input pipe (8), can be directly used as electrical heating sea water thin film or concentrated seawater heat storage can (13) if any electric energy is more than needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737281.9A CN104528853B (en) | 2014-12-05 | 2014-12-05 | A kind of embedded pair of chimney type solar seawater desalination system and desalination method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737281.9A CN104528853B (en) | 2014-12-05 | 2014-12-05 | A kind of embedded pair of chimney type solar seawater desalination system and desalination method thereof |
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| Publication Number | Publication Date |
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| CN104528853A CN104528853A (en) | 2015-04-22 |
| CN104528853B true CN104528853B (en) | 2016-08-31 |
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| US10337504B1 (en) | 2017-12-15 | 2019-07-02 | King Fahd University Of Petroleum And Minerals | Solar chimney for power production using fresnel lens |
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| CN105056441B (en) * | 2015-08-17 | 2018-02-27 | 泉港区奇妙工业设计服务中心 | One kind motion fire-fighting condenser |
| CN106698567B (en) * | 2017-01-18 | 2019-12-13 | 河海大学 | Solar power generation and seawater desalination device combining condenser and wind machine |
| CN106856699A (en) * | 2017-03-09 | 2017-06-20 | 天津商业大学 | A kind of active desalting salinized soil device of utilization solar energy effect |
| CN108870798B (en) * | 2017-05-12 | 2020-07-14 | 浙江大学 | Radiation refrigeration particle and steam condensation recovery device |
| CN108911339A (en) * | 2018-08-21 | 2018-11-30 | 吴爱兵 | A method of utilizing seawater preparing fresh |
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| CN1331764C (en) * | 2004-12-14 | 2007-08-15 | 天津大学 | Comprehensive system for preparing fresh water and wind powder generation by solar energy chimney indirect condensing heat-exchange |
| CN101358578B (en) * | 2008-08-05 | 2012-05-09 | 河海大学 | Chimney generation and desalination device by solar |
| JP5801663B2 (en) * | 2011-09-15 | 2015-10-28 | 一般財団法人航空宇宙技術振興財団 | Seawater desalination equipment |
| CN202849107U (en) * | 2012-10-20 | 2013-04-03 | 刘方旭 | Water ring vacuum negative-pressure evaporation solar-powered seawater desalination device |
| CN203200053U (en) * | 2013-03-28 | 2013-09-18 | 深圳市和平卧龙科技有限公司 | Solar-powered seawater desalination device |
| CN203229394U (en) * | 2013-05-09 | 2013-10-09 | 王博涛 | Seawater desalination system utilizing water circulation characteristics |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10337504B1 (en) | 2017-12-15 | 2019-07-02 | King Fahd University Of Petroleum And Minerals | Solar chimney for power production using fresnel lens |
| US10378519B1 (en) | 2017-12-15 | 2019-08-13 | King Fahd University Of Petroleum And Minerals | Method for generating electrical power using a solar chimney having an inflatable fresnel lens |
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