CN106966462A - A kind of multistage seawater desalting coupled system - Google Patents
A kind of multistage seawater desalting coupled system Download PDFInfo
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- CN106966462A CN106966462A CN201710273787.2A CN201710273787A CN106966462A CN 106966462 A CN106966462 A CN 106966462A CN 201710273787 A CN201710273787 A CN 201710273787A CN 106966462 A CN106966462 A CN 106966462A
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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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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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
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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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- 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
- Y02A20/131—Reverse-osmosis
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Health & Medical Sciences (AREA)
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of multistage seawater desalting coupled system, it includes air humidifying device, air heating apparatus and air dehumidification device；The device is a multistage humidification dehumidification and reverse osmosis seawater desalting coupling device by Driven by Solar Energy, takes full advantage of bittern out in humidifier, realizes the deep exploitation of seawater, economize on resources.Because the present apparatus is driven using solar energy, air heating uses solar thermal collector, and the electric energy that is produced in counter-infiltration to the pressurized operation of bittern using photovoltaic array drives booster pump so that the more efficient environment protecting and power-saving of the present apparatus.
Description
Technical field
The invention belongs to field of seawater desalination, and in particular to a kind of multistage seawater desalting coupled system.
Background technology
Freshwater resources have extremely important influence to the production and living of people, are the most important things of human survival and development
One of basis is provided, but can reach that the freshwater resources of production and living conditions are very limited at present, freshwater resources both domestic and external are in short supply
Situation it is increasingly serious.Contain substantial amounts of water resource in ocean, but it contains the materials such as substantial amounts of halogens, therefore can not be by people
Directly utilize.Current development and utilization desalination technology, which has been increasingly becomed, solves the important of freshwater resources problem in short supply
Means.
Conventional method for desalting seawater have seawater freezing process, electroosmose process, the way of distillation, hyperfiltration and ammonium carbonate from
Sub- exchange process etc., by cost, limitation the problems such as technique and efficiency, current most widely used method is reverse osmosis membrane and steaming
Evaporate method.Hyperfiltration make use of the pellicle with selective penetrated property to separate seawater and freshwater, apply greatly when to seawater side
When the external pressure of penetration of sea water pressure, fresh water in seawater will counter-infiltration into fresh water.Compared with other technologies, counter-infiltration seawater
Desalination technology has significant power saving advantages, therefore develops at present very fast, is widely used.
But the subject matter that existing Reverse-osmosis Seawater Desalination Technology faces is that equipment requirement is high, it is necessary to consume substantial amounts of
High-grade energy, and the yield of fresh water is relatively low.Such as notification number is that CN106045114A Chinese invention patent applications disclose explanation
Book discloses a kind of fresh water deposit station based on Reverse-osmosis Seawater Desalination Technology, there is higher fresh water yield, and a variety of fields can be achieved
The application of conjunction, but there is the problem of consuming energy larger, higher to equipment requirement etc., it is necessary to progress, which is improved, could reduce energy consumption.
If notification number is that CN105923708A Chinese invention patent application prospectus discloses a kind of self-supporting power supply formula counter-infiltration sea
Water desalination apparatus, can utilize wind energy, solar energy and waterpower equal energy source, but fresh water yield is relatively low.
The content of the invention
For deficiencies of the prior art, the present invention provides a kind of deep exploitation and green energy conservation ring to seawater
The multistage seawater desalting coupled system of guarantor.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of multistage seawater desalting coupled system, including air humidifying device, air heating apparatus and air dehumidification device：
Described air heating apparatus includes being used for the air-introduced machine of the outer air of intake system and the sun for heating air
Energy heat collector, the air outlet of described air-introduced machine passes through the air inlet of the heating breather pipe inside air inlet pipe and solar thermal collector
Connection, is heated for air outside the system to suction, to form hot-air；The gas outlet of the heating breather pipe and described sky
Gas humidification device is connected.
Described air humidifying device includes spray column, and the gas outlet of the heating breather pipe passes through pipeline and the spray column
Bottom connection, to introduce hot-air；Top in spray column is provided with some spray heads, for sprayed sea water so that sea
Water and the air of heated breather pipe input carry out mass-and heat-transfer, and form the residual seawater and aqueous sky for completing mass-and heat-transfer
Gas；Residual seawater discharge pipe is communicated with the bottom of spray column, for residual seawater to be discharged；On the side wall of the spray column
Spray column exhaust outlet is provided with, for discharging air contained water.
Described air dehumidification device is dividing wall type heat exchanger, and the import of the tube side of the dividing wall type heat exchanger enters for seawater
Mouthful, the air contained water in shell side is condensed for being introduced into seawater, and form condensation fresh water and condensation air；The dividing wall type heat exchanger
The outlet of tube side connected by pipeline with described spray head, to provide seawater to spray head；The dividing wall type heat exchanger
The import of shell side connected by pipeline with described spray column exhaust outlet, for introducing air contained water；The dividing wall type heat exchanger
The water out of shell side be opened in the bottom of dividing wall type heat exchanger and connected with fresh-water pool, for discharging condensation fresh water；The partition
The condensation air outlet slit of the shell side of formula heat exchanger is opened in the bottom of dividing wall type heat exchanger, for discharging condensation air.
Further, described condensation air outlet slit is connected by air circulating umbilical with the air outlet of the air-introduced machine, is used to
Amount of the air circulation using air outside the system to reduce air-introduced machine introducing will be condensed, to save the energy.
Further, in addition to reverse osmosis seawater desalination system, the reverse osmosis seawater desalination system includes reverse osmosis unit, should
Reverse osmosis unit includes a booster pump and a reverse osmosis membrane assembly；The water inlet of booster pump is discharged with described residual seawater
Pipe is connected, for introducing residual seawater；The water inlet end of reverse osmosis membrane assembly is connected with the delivery port of booster pump；Reverse osmosis membrane group
The fresh water outlet end of part is connected with described with fresh-water pool, to reclaim fresh water；The bittern water side of reverse osmosis membrane assembly and bittern
Delivery pipe is connected.
Further, described reverse osmosis seawater desalination system includes N grades of reverse osmosis units, wherein, N is >=2 natural number；
Every grade of reverse osmosis unit includes a booster pump and a reverse osmosis membrane assembly；The water inlet of first order booster pump is remained with described
Remaining seawater discharge pipe connection, for introducing residual seawater；The water inlet end of reverse osmosis membrane assemblies at different levels with booster pump at the same level
Delivery port is connected；The fresh water outlet end of reverse osmosis membrane assemblies at different levels is connected with described with fresh-water pool, to reclaim fresh water；It is at different levels anti-
The bittern water side of permeable membrane element is connected with the water inlet of the booster pump of next stage reverse osmosis unit；By that analogy；N grades anti-
The bittern water side of permeable membrane element is connected with bittern delivery pipe.
Further, described fresh-water pool is connected with the water inlet end of reverse osmosis membrane assemblies at different levels by regulation pipe, for adjusting
Water inlet end salinity simultaneously improves water quality；Regulation pump and regulating valve are provided with described regulation pipe.
Further, the water side of bittern delivery pipe is also communicated with solar evaporation pond, to reclaim bittern and improve its salinity；
Also include the crystallizing pond connected with solar evaporation pond, to reclaim salt；The crystallizing pond set discharge gate, to discharge finished product salt and
Mother liquor.
Further, screen pack is provided with described spray column exhaust outlet, for intercepting drop discharge.
Further, described N=3.
Further, described solar thermal collector is solar thermal collector generating set, and its generating set draws with described
Blower fan and booster pump at different levels connection, to realize the confession of electric energy.
Further, the tube side of described dividing wall type heat exchanger is coiled pipe.
Air is heated present invention uses solar thermal collector, the booster pump in counter-infiltration is by photovoltaic array
The electricity of generation is driven, and seawater desalination system is made up of multi-stage reverse osmosis membrane module, realize the deep exploitation of seawater, fresh water is simultaneously
Produced by air setting and reverse osmosis seawater desalting, so as to substantially increase fresh water yield, bittern is formed through pervaporation and crystallization
Salt and mother liquor, realize the deep exploitation to seawater, meet the demand of fresh water and salt, and more energy-saving and environment friendly.
Compared with prior art, the present invention has the advantages that：
1st, desalination rate is high.It is of the invention compared with existing sea water desalinating unit, the heating of seawater by being tapped into solar energy
OK, and using solar energy as drive energy, coupled, taken full advantage of in humidifier with reverse osmosis seawater desalting by humidification, dehumidification
Fresh water out, to seawater with having carried out depth, multipath desalination, desalination rate is high.
2nd, solar energy utilization ratio is high.Because the present invention is driven using solar energy, air heating uses solar energy heating
Device, is also the waste heat that make use of the sun indirectly to the heating of seawater, the pressurized operation of bittern has then been used too in counter-infiltration
It is positive can the photovoltaic array electric energy that produces drive booster pump.
3rd, environmental protection.Because the present invention can realize power self-support, high-quality electric energy, efficient green ring are supplied without using outer
Protect energy-conservation.
4th, resource recovery is high.The present invention can simultaneously output electric energy, fresh water and salt, fully using beach seawater and
Solar energy resources, meets the direction of development of modern industry, beneficial to being widely applied and use.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In accompanying drawing：1 --- seawater inlet；3 --- air dehumidification device；4 --- air circulating umbilical；5 --- air-introduced machine；
6 --- solar thermal collector；8 --- spray column；9 --- screen pack；10 --- booster pump；11 --- pressure-regulating valve；
12 --- reverse osmosis membrane assembly；13 --- regulation pump；15 --- solar evaporation pond；16 --- crystallizing pond；17 --- discharge gate；
18 --- fresh-water pool.
Embodiment
The present invention is described in further detail with reference to specific embodiment.
A kind of multistage seawater desalting coupled system, including air humidifying device, air heating apparatus and air dehumidification device
3：
Described air heating apparatus includes being used for the air-introduced machine 5 of the outer air of intake system and the sun for heating air
Can heat collector 6, the air outlet of described air-introduced machine 5 entered by air inlet pipe and the heating breather pipe inside solar thermal collector 6
Gas port is connected, and is heated for air outside the system to suction, to form hot-air；It is described heating breather pipe gas outlet with it is described
Air humidifying device connection.Heated using solar energy, the substantial amounts of energy can be saved, be conducive to the protection of environment, also
Be conducive to walking in the mass-and heat-transfer effect with seawater and extract more moisture.
Described air humidifying device includes spray column 8, and the gas outlet of the heating breather pipe passes through pipeline and the spray
The bottom connection of tower 8, to introduce hot-air；Top in spray column 8 is provided with some spray heads, for sprayed sea water with
The air for inputting seawater and heated breather pipe carries out mass-and heat-transfer, and forms the residual seawater for completing mass-and heat-transfer and aqueous
Air；Residual seawater discharge pipe is communicated with the bottom of spray column 8, for residual seawater to be discharged；In the side of the spray column 8
Spray column exhaust outlet is provided with wall, for discharging air contained water.
Described air dehumidification device 3 is dividing wall type heat exchanger, and the import of the tube side of the dividing wall type heat exchanger is seawater
Entrance 1, the air contained water in shell side is condensed for being introduced into seawater, and form condensation fresh water and condensation air；The dividing wall type is changed
The outlet of the tube side of hot device is connected by pipeline with described spray head, to provide seawater to spray head；The dividing wall type is changed
The import of the shell side of hot device is connected by pipeline with the described exhaust outlet of spray column 8, for introducing air contained water；The dividing wall type is changed
The water out of the shell side of hot device is opened in the bottom of dividing wall type heat exchanger and connected with fresh-water pool 18, for discharging condensation fresh water；
The condensation air outlet slit of the shell side of the dividing wall type heat exchanger is opened in the bottom of dividing wall type heat exchanger, for discharging condensation air.Institute
It is a kind of non-direct contact type heat exchanger to state dividing wall type condenser, there is two runners of air and seawater, described air flow channel (shell
Journey) in flowing be hot and humid air, and then flowed in seawater runner (tube side) is seawater, the flowing side of two kinds of fluids
To on the contrary, and the completion heat transfer during flowing --- seawater is given air contained water to cool and condensed, and air contained water gives seawater to carry out
Preheating, the utilization rate of the energy can be so improved to greatest extent.
Heated by solar thermal collector 6 to air outside the system introduced, it is empty with the heat for being allowed to be converted into dry, high temperature
Gas, when hot-air enters spray column 8, heat sky water bottom-up motion, and the seawater generation mass-and heat-transfer gone out from top spray,
Formed outside air contained water and residual seawater containing a large amount of vapor, residual seawater and arranged.Air contained water then enters wall-type heat exchange
Device is condensed, and condensed water is fresh water, can be recycled.This uses seawater, that is, reached cold during one in tube side
Solidifying effect, can utilize the heat in air contained water to be heated for seawater again, then the seawater heated importing spray column 8 is carried out
Spray, this not only contributes to improve the mass-and heat-transfer efficiency in spray column 8, also drastically increases the utilization rate of the energy.
In addition, the effect in order to further improve the heat transfer of the inner transmission matter of spray column 8, structured packing, tower can be set wherein
Plate or film contact filler.
As optimization, described condensation air outlet slit is connected by air circulating umbilical 4 with the air outlet of the air-introduced machine 5,
Air circulation will be condensed using the amount of air outside the system that air-introduced machine 5 is introduced is reduced, to save the energy.Condense in air
Also contain higher moisture content, and after condensation, temperature is relatively low, pressure is higher, by it be recycled to the air outlet of air-introduced machine 5 with it is new
The extraneous air of introducing is mixed with two big advantages：One is available with the higher advantage of its pressure, promotes mixing air to spray
Tower 8 flows, and reduces the amount of the extraneous air of introducing, reduces the load of air-introduced machine 5, reduces power consumption；Two be can make it is cold
The moisture of solidifying air is again introduced into spray column 8 and recycled, and can improve fresh water yield.
A part of fresh water of extraction process is only capable of by spray column 8, remaining fresh water is still present in surplus in the form of solvent
In remaining seawater, it is therefore necessary to carry out further desalt processing to it, to obtain more fresh water.Therefore, the present invention is also wrapped
Reverse osmosis seawater desalination system is included, the reverse osmosis seawater desalination system includes reverse osmosis unit, the reverse osmosis unit includes one
Booster pump 10 and a reverse osmosis membrane assembly 12；The water inlet of booster pump 10 is connected with described residual seawater discharge pipe, is used for
Introduce residual seawater；Delivery port of the water inlet end of reverse osmosis membrane assembly 12 with booster pump 10 is connected；Reverse osmosis membrane assembly 12
Fresh water outlet end is connected with described with fresh-water pool 18, to reclaim fresh water；The bittern water side of reverse osmosis membrane assembly 12 and bittern
Delivery pipe is connected.Seawater pressurizes through booster pump 10, passes through reverse osmosis membrane assembly 12, is arrived the hydraulic pressure in seawater using osmotic pressure
Among fresh water stream, so as to realize the desalination of seawater.On pipeline between booster pump 10 and reverse osmosis membrane assembly 12, it can also set
Pressure-regulating valve 11 is equipped with, more accurately to adjust pressure.
As optimization, in order to improve the effect of desalinization, described reverse osmosis seawater desalination system can include N grades instead
Permeability apparatus (N is >=2 natural number)：Every grade of reverse osmosis unit includes a booster pump 10 and a reverse osmosis membrane assembly 12；
The water inlet of first order booster pump 10 is connected with described residual seawater discharge pipe, for introducing residual seawater；Counter-infiltrations at different levels
Delivery port of the water inlet end of membrane module 12 with booster pump 10 at the same level is connected；The fresh water outlet end of reverse osmosis membrane assemblies 12 at different levels
Connected with described with fresh-water pool 18, to reclaim fresh water；The bittern water side of reverse osmosis membrane assemblies 12 at different levels and next stage reverse osmosis
The water inlet connection of the booster pump 10 of saturating device；By that analogy；Arranged with bittern the bittern water side of N grades of reverse osmosis membrane assemblies 12
Put pipe connection.Seawater pressurizes through booster pump 10, passes through reverse osmosis membrane assembly 12, using osmotic pressure by the hydraulic pressure in seawater to light
Among current, so as to realize the one-level desalination of seawater, seawater passes through second level reverse osmosis unit afterwards, carries out identical behaviour
Make, by that analogy, so as to realize that multi-stage reverse osmosis is operated, reach the purpose of desalinization.In booster pumps 10 at different levels and counter-infiltration
On pipeline between membrane module 12, pressure-regulating valve 11 is also provided with, more accurately to adjust pressure.
As further optimization, the water inlet end of described fresh-water pool 18 and reverse osmosis membrane assemblies 12 at different levels is connected by regulation pipe
It is logical, for adjusting water inlet end salinity and improving water quality；Regulation pump 13 and regulating valve are provided with described regulation pipe.Pass through
Regulation regulation pump 13 and regulating valve, can control the fresh water amount into reverse osmosis seawater desalination system.Why this design is had,
There are two reasons：One is also to remain certain salt solution in the fresh water reclaimed by condensation, is carried out at least one times
Counter-infiltration can improve the purity of fresh water；Two be that can adjust the salinity of the reduction water inlet degree of reverse osmosis membrane assembly 12, anti-to extend
The service life of permeable membrane element 12.
As further optimization, the water side of bittern delivery pipe is also communicated with solar evaporation pond 15, to reclaim bittern simultaneously
Improve its salinity；Also include the crystallizing pond 16 connected with solar evaporation pond 15, to reclaim salt；The crystallizing pond 16 sets discharge gate
17, to discharge finished product salt and mother liquor.The waste liquid after desalination --- contain substantial amounts of salt in bittern, can recycle,
Bittern is through pervaporation and crystallization, and forming salt and mother liquor realize the deep exploitation to seawater, meet the demand of salt, more green energy conservation
Environmental protection.
As optimization, screen pack 9 is provided with described spray column exhaust outlet, for intercepting drop discharge.
It is used as further optimization, described N=3.Air humidifying device, air heating apparatus and the air dehumidification of the present invention
The desalinization rate of device 3 is 30% or so, but can reduce the use of high-grade electric energy, and seawater is desalinated in advance, adopted
It is 40% left per the desalinization efficiency of one-level reverse osmosis membrane assembly 12 with the further deep exploitation of three-level reverse osmosis membrane assembly 12
The right side, if using three-level counter-infiltration, can by seawater, always desalination rate brings up to 95% or so, realize the deep exploitation to seawater.
As further optimization, solar thermal collector 6 is in addition to heating air, and also substantial amounts of waste heat is therefore, described
Solar thermal collector 6 can contemplate using more ripe solar thermal collector generating set (such as photovoltaic array),
Its generating set is connected with described air-introduced machine 5 and booster pump at different levels 10, to realize the confession of electric energy, and high-grade is not used directly
Electric energy so as to farthest utilize the energy, when electricity is had a surplus, outer can also supply.
As further optimization, the tube side of described dividing wall type heat exchanger is coiled pipe.The seawater runner can be so set to be
Spirally coiled structure, it is surrounded by the air flow channel of shell side, is conducive to improving the efficiency of heat exchange.
Compared with existing sea water desalinating unit, the heating to seawater is carried out by solar thermal collector 6, using solar energy as drive
Energy source, is pressurizeed using booster pump 10 to seawater, is run through multi-stage reverse osmosis membrane module 12, real using reverse osmosis
Existing desalinization.The device is a multistage humidification dehumidification and reverse osmosis seawater desalting coupling device by Driven by Solar Energy, is filled
Divide the bittern that make use of and come out in humidifier, realize the deep exploitation of bittern.Because the present apparatus is driven using solar energy,
Air heating uses solar thermal collector 6, and the electricity that photovoltaic array is produced is used to the pressurized operation of bittern in counter-infiltration
Booster pump 10 can be driven so that the present apparatus more efficient environment protecting and power-saving.
The above embodiment of the present invention is only example to illustrate the invention, and is not the implementation to the present invention
The restriction of mode.For those of ordinary skill in the field, other can also be made not on the basis of the above description
With the change and variation of form.Here all embodiments can not be exhaustive.It is every to belong to technical scheme
Row of the obvious changes or variations amplified out still in protection scope of the present invention.
Claims (10)
1. a kind of multistage seawater desalting coupled system, it is characterised in that including air humidifying device, air heating apparatus and air
Dehumidifying device；
Described air heating apparatus includes being used for the air-introduced machine of the outer air of intake system and the solar energy collection for heating air
Hot device, the air outlet of described air-introduced machine is connected by the air inlet of the heating breather pipe inside air inlet pipe and solar thermal collector
It is logical, heated for air outside the system to suction, to form hot-air；The gas outlet of the heating breather pipe and described air
Humidification device is connected；
Described air humidifying device includes spray column, and the gas outlet of the heating breather pipe passes through under pipeline and the spray column
Portion is connected, to introduce hot-air；Top in spray column is provided with some spray heads, for sprayed sea water so that seawater and
The air of heated breather pipe input carries out mass-and heat-transfer, and forms the residual seawater and air contained water for completing mass-and heat-transfer；
The bottom of spray column is communicated with residual seawater discharge pipe, for residual seawater to be discharged；It is provided with the side wall of the spray column
Spray column exhaust outlet, for discharging air contained water；
Described air dehumidification device is dividing wall type heat exchanger, and the import of the tube side of the dividing wall type heat exchanger is seawater inlet,
The air contained water in shell side is condensed for being introduced into seawater, and forms condensation fresh water and condensation air；The dividing wall type heat exchanger
The outlet of tube side is connected by pipeline with described spray head, to provide seawater to spray head；The dividing wall type heat exchanger
The import of shell side is connected by pipeline with described spray column exhaust outlet, for introducing air contained water；The dividing wall type heat exchanger
The water out of shell side is opened in the bottom of dividing wall type heat exchanger and connected with fresh-water pool, for discharging condensation fresh water；The dividing wall type
The condensation air outlet slit of the shell side of heat exchanger is opened in the bottom of dividing wall type heat exchanger, for discharging condensation air.
2. multistage seawater desalting coupled system according to claim 1, it is characterised in that described condensation air outlet slit leads to
The air outlet that air circulating umbilical is crossed with the air-introduced machine is connected, to will condense air circulation utilize reduce air-introduced machine introduce
The amount of the outer air of system, to save the energy.
3. multistage seawater desalting coupled system according to claim 1, it is characterised in that also including reverse osmosis seawater desalting
System, the reverse osmosis seawater desalination system includes reverse osmosis unit, and the reverse osmosis unit includes a booster pump and a reverse osmosis
Permeable membrane component；The water inlet of booster pump is connected with described residual seawater discharge pipe, for introducing residual seawater；Reverse osmosis membrane group
The water inlet end of part is connected with the delivery port of booster pump；The fresh water outlet end of reverse osmosis membrane assembly connects with described with fresh-water pool
It is logical, to reclaim fresh water；The bittern water side of reverse osmosis membrane assembly is connected with bittern delivery pipe.
4. multistage seawater desalting coupled system according to claim 1, it is characterised in that described reverse osmosis seawater desalting
System includes N grades of reverse osmosis units, wherein, N is >=2 natural number；
Every grade of reverse osmosis unit includes a booster pump and a reverse osmosis membrane assembly；The water inlet of first order booster pump with it is described
Residual seawater discharge pipe connection, for introducing residual seawater；Supercharging of the water inlet end of reverse osmosis membrane assemblies at different levels with peer
The delivery port connection of pump；The fresh water outlet end of reverse osmosis membrane assemblies at different levels is connected with described with fresh-water pool, to reclaim fresh water；Respectively
The bittern water side of level reverse osmosis membrane assembly is connected with the water inlet of the booster pump of next stage reverse osmosis unit；By that analogy；
The bittern water side of N grades of reverse osmosis membrane assemblies is connected with bittern delivery pipe.
5. multistage seawater desalting coupled system according to claim 4, it is characterised in that described fresh-water pool with it is at different levels anti-
The water inlet end of permeable membrane element is connected by regulation pipe, for adjusting water inlet end salinity and improving water quality；Described regulation
Regulation pump and regulating valve are provided with pipe.
6. multistage seawater desalting coupled system according to claim 4, it is characterised in that the water side of bittern delivery pipe is also
Solar evaporation pond is communicated with, to reclaim bittern and improve its salinity；Also include the crystallizing pond connected with solar evaporation pond, with
Reclaim salt；The crystallizing pond sets discharge gate, to discharge finished product salt and mother liquor.
7. multistage seawater desalting coupled system according to claim 1, it is characterised in that on described spray column exhaust outlet
Screen pack is provided with, for intercepting drop discharge.
8. according to the multistage seawater desalting coupled system described in claim 4, it is characterised in that described N=3.
9. according to the multistage seawater desalting coupled system described in claim 4, it is characterised in that described solar thermal collector is too
Positive energy heat collector generating set, its generating set is connected with described air-introduced machine and booster pump at different levels, to realize the confession of electric energy.
10. multistage seawater desalting coupled system according to claim 1, it is characterised in that described dividing wall type heat exchanger
Tube side be coiled pipe.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203198A (en) * | 2018-01-17 | 2018-06-26 | 上海交通大学 | A kind of PV/T drives hotting mask combination seawater desalination system |
| CN108439512A (en) * | 2018-05-17 | 2018-08-24 | 北京今大禹环境技术股份有限公司 | A kind of thermal drivers high organic wastewater Zero-discharge treating process with high salt |
| CN112484174A (en) * | 2020-11-23 | 2021-03-12 | 自然资源部天津海水淡化与综合利用研究所 | Humidification and dehumidification seawater desalination and air conditioning all-in-one machine based on vapor compression heat pump technology |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634462U (en) * | 2009-09-15 | 2010-11-17 | 江苏大学 | Seawater desalting device |
-
2017
- 2017-04-25 CN CN201710273787.2A patent/CN106966462A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634462U (en) * | 2009-09-15 | 2010-11-17 | 江苏大学 | Seawater desalting device |
Non-Patent Citations (1)
| Title |
|---|
| 冯旭东: "《给水排水设计手册 第4册——工业给水处理 第二版》", 30 April 2002, 中国建筑工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203198A (en) * | 2018-01-17 | 2018-06-26 | 上海交通大学 | A kind of PV/T drives hotting mask combination seawater desalination system |
| CN108203198B (en) * | 2018-01-17 | 2021-03-09 | 上海交通大学 | PV/T driving hot film combined seawater desalination system |
| CN108439512A (en) * | 2018-05-17 | 2018-08-24 | 北京今大禹环境技术股份有限公司 | A kind of thermal drivers high organic wastewater Zero-discharge treating process with high salt |
| CN108439512B (en) * | 2018-05-17 | 2020-07-03 | 北京今大禹环境技术股份有限公司 | Thermal-drive high-salinity high-organic-matter wastewater zero-discharge treatment process |
| CN112484174A (en) * | 2020-11-23 | 2021-03-12 | 自然资源部天津海水淡化与综合利用研究所 | Humidification and dehumidification seawater desalination and air conditioning all-in-one machine based on vapor compression heat pump technology |
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Application publication date: 20170721 |