CN103073083B - Air-moistening and solution-moisture-absorption solar fresh water production device and use method thereof - Google Patents

Air-moistening and solution-moisture-absorption solar fresh water production device and use method thereof Download PDF

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CN103073083B
CN103073083B CN201310037889.6A CN201310037889A CN103073083B CN 103073083 B CN103073083 B CN 103073083B CN 201310037889 A CN201310037889 A CN 201310037889A CN 103073083 B CN103073083 B CN 103073083B
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solution
air
water
condenser
seawater
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CN103073083A (en
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陈瑶
张小松
殷勇高
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CHANGZHOU RESEARCH INSTITUTE SOUTHEAST UNIVERSITY
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/138Water desalination using renewable energy
    • Y02A20/142Solar thermal; Photovoltaics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/208Off-grid powered water treatment
    • Y02A20/212Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The invention discloses an air-moistening and solution-moisture-absorption solar fresh water production device and a use method thereof. The device comprises a sea water circulation system, an air circulation system, a solution circulation system and a vapor circulation condensation system, and mainly comprises an evaporation moistener, a solution moisture absorber, an evaporator and a condenser, so that a process that moisture is transferred to air from sea water, the moisture in the air is retransferred to a moisture absorption solution, and then fresh water extraction is conducted from the moisture absorption solution is achieved. The whole device effectively utilizes low-level heat sources such as solar energy, industrial exhaust heat or living waste heat, has a small dependence degree on electric energy, has the characteristics of high sea water production speed, larger production quantity, compact equipment, low cost, high energy utilization efficiency and the like, and is suitable for areas and occasions short of large sea water desalting equipment establishment conditions, such as unwatered islands, power-insufficient coastal non-urban areas, inland remote brackish water areas, and marine ocean transport.

Description

Air humidification solution moisture absorption sun power fresh water device for making and using method thereof
Technical field
The fresh water extractive technique that the present invention relates to a kind of air moistening, solution moisture absorption and sun power, used heat comprehensive utilization, belongs to sea water desaltination and renewable energy utilization technical field.
Background technology
The shortage of Freshwater resources has become problem demanding prompt solution in worldwide, and some coastland water resources ownership per capitas are extremely low, in extreme exsiccosis.Development desalination technology can be alleviated the crisis of shortage of fresh water to a great extent, and some have brought huge interests to social development compared with proven technique.
Existing desalination technology mainly contains distillation method, embrane method, crystallization process, solvent extration and ion exchange method etc.Wherein distillation method and embrane method two class methods are most widely used, and are to desalinate so far two class methods that cumulative withdrawal is maximum.Distillation method is divided into multistage flash evaporation method, multiple-effect evaporation method and presses steam distillation method, and these class methods need to consume a large amount of energy, therefore conventionally need to combine with heat power station and build and operation, is suitable for large-scale and ultra-large type sea water desalting equipment; Embrane method desalination technology is mainly divided into reverse osmosis method and electroosmose process, these class methods are high to the manufacture process requirement of film, water technology is more complicated, also higher to the degree of dependence of electric energy, for cost consideration, this class desalination techniques is also only applicable to large-scale application.
The ubiquitous problem of conventional sea water desaltination mode is to have exchanged less water source for the larger energy, by Application of Solar Energy in sea water desaltination field, can solve the contradiction between the energy and water resources to a certain extent, be one of important research trend of desalination technology in recent years.Heliotechnics is applied to sea water desaltination field and mainly contains two kinds of modes: a kind of is that sun power combines with other method for desalting seawater as supplementary energy, to weaken the restriction of the suffered heat energy of these methods and electric energy by sun power indirect utilization technology; Another kind is that sun power directly utilizes technology, and solar radiant energy direct heating evaporation seawater, obtains fresh water after water vapor condensation.In two kinds of modes, sun power directly utilizes that technology required equipment is less, operation is simple, less to the degree of dependence of other heat energy and electric energy, and therefore in the desalting process of middle-size and small-size scale, application is more extensive.But it is basis mainly with solar still that sun power directly utilizes desalination technology, its fresh water acquisition process exists the problems such as evaporation time is long, rate of set is slow, backheat weak effect.
For the remote brackish water area in island, the coastal non-Urban Areas of power shortage, the inland of lack of water, fresh water demand is not to disperse especially greatly and.These regional general energies and electric power lack, and Infrastructure is poor, are unsuitable for setting up the large-scale sea water desalting equipment of application distillation method and embrane method, and the simple sun power of application apparatus exists the problems such as the fresh water amount of producing is too little, speed is too slow while directly utilizing technology.Similarly situation also appears in the desalting process carrying out in the seagoing transport way of boats and ships.Therefore, develop the middle-size and small-size sea water desalting equipment that sun power directly utilizes, improve the efficiency of its preparing fresh, there is certain economy and practical value.
Summary of the invention
Technical problem: the object of this invention is to provide a kind of low level heat energy in sun power, industrial exhaust heat or life used heat etc. of utilizing, the middle-size and small-size fresh water that air and hygroscopic solution be carrier of take is produced and sea water desalinating plant, to solve fresh water in brackish water area that island, the coastal non-Urban Areas of power shortage, the inland of lack of water is remote and boats and ships, produces problem.
Technical scheme: air humidification solution moisture absorption sun power fresh water device for making of the present invention, mainly by evaporating humidifier, solution moisture absorber, vaporizer and condenser, formed, comprise seawater circulation system, air circulation system, solution recycle system and steam cycle condenser system.In seawater circulation system, spray pipeline import in evaporating humidifier is connected with supercharging recirculated water pump outlet by flow control valve, the seawer outlet of evaporating humidifier is connected with the spiral coil cooling tube import of condenser, the cooling water coil outlet of condenser is connected to the import of seawater holder, and the outlet of seawater holder is connected with the import of supercharging water circulating pump; In air circulation system, air channel connects the first blower fan, evaporating humidifier, air inlet air-valve and solution moisture absorber successively; Solution circulation pump drives solution circulated, the taphole of solution moisture absorber communicates with the solution inlet port of base of evaporator after solution preheater, the taphole of vaporizer is connected with the import of solution circulation pump, solution circulated pump outlet connects the import of solution cooler, and the outlet of solution cooler is connected with the import of solution moisture absorber; The second blower fan connects vaporizer, condenser drive steam cycle by air channel, and solar heat-collection plate is equipped with at the top of vaporizer, and steam enters fresh water holder be condensed into condensed water in condenser after.Realize the efficient utilization of low level heat energy in sea water desalting equipment in sun power, industrial exhaust heat or life used heat etc., the while to reduce the energy consumption of device, is improved the efficiency of producing of fresh water in conjunction with transpiration cooling, solution moisture absorption regeneration techniques.
The refrigerated sea water that the water coolant that in condenser described in technique scheme, spiral coil cooling tube is used is produced for evaporating humidifier, seawater after condenser heating is stored in seawater holder, and hot sea water continues on in evaporating humidifier dry air is carried out to humidification subsequently.
The vapour outlet of the condenser described in technique scheme arranges water-recovering device, and the form of water-recovering device can be for papery, organic or metal corrugated plate, also can be electrostatic equipment or the recovery being comprised of polypropylene net condensate water device.
In air humidification solution moisture absorption sun power fresh water device for making of the present invention, seawater is admitted in evaporating humidifier and sprays, in filler, seawater and air carry out heat and mass, moisture in seawater enters in air, air by humidification to state of saturation, the air of state of saturation enters in solution moisture absorber subsequently, and airborne most moisture is taken away by hygroscopic solution.What touch all the time due to seawater in evaporating humidifier is the dry air that water capacity is very low, therefore the transmission capacity of moisture from seawater to air is very large, and the circulating seawer using heats through condenser, according to caloic exchange principle, a large amount of latent heat transmission from seawater to air causes the enthalpy of air to increase and the temperature of seawater obviously declines.Evaporating humidifier and solution moisture absorber cooperation, air circulates under the driving at blower fan in the air channel connecting between the two, realized moisture from seawater to air again to the handling process of solution, the refrigerated sea water of simultaneously producing is as the water coolant of condenser.
Seawater in evaporating humidifier described in technique scheme sprays falling liquid film on filler, and filler used is aluminum oxide (Al 2o 3) ceramic foam packing; The recirculated air that evaporating humidifier is used is the dry air after the moisture absorption of solution moisture absorber.Because the flow of seawater is large, it is many to contain impurity, higher to the plasticity-of filler and very moist requirement.Aluminum oxide (Al 2o 3) ceramic foam packing is with respect to the plasticity-of general papery, organic filler and very moist stronger, can stand the spray of a large amount of seawater and the impurity in effective filtering sea, its erosion resistance is higher than metallic stuffing simultaneously, cost is lower than metallic stuffing again, is applied to sea water desalinating plant with the obvious advantage.The solution using in solution moisture absorber of the present invention is lithiumbromide, lithium chloride, calcium chloride or several mixing solutions wherein, these solution are free from foreign meter and usage quantity is much smaller compared with seawater, consider cost factor, the filler using in solution moisture absorber can be selected general papery or organic filler.
In air humidification solution moisture absorption sun power fresh water device for making of the present invention, vaporizer and condenser are the key positions of energy utilization.Solar heat-collection plate is equipped with for absorbing solar radiation heat in the top of vaporizer, and solution preheater is equipped with for absorbing industrial exhaust heat and life used heat in front portion; Big area spiral coil cooling tube is housed in condenser, and steam outlet is provided with water-recovering device, and bottom water outlet is connected to fresh water holder; The steam of vaporizer and condenser is imported and exported and is connected by steam-pipe, and the second blower fan is used for driving steam cycle.First the dilute solution that has absorbed large quantity of moisture passes through the preheating of solution preheater after out from solution moisture absorber, solution after intensification is transported in vaporizer, after industrial exhaust heat or the preheating of life used heat, sun power direct heating, evaporate water vapor, water vapor enters condenser subsequently through spiral coil cooling tube condensation, the fresh water condensing is sent in fresh water holder and is stored, and the moisture of solution is evaporated rear concentration and is restored, after solution cooler is cooling, send back to and in solution moisture absorber, continue to absorb the moisture in saturated air.
The solar heat-collection plate at vaporizer of the present invention top can be also common glass cover-plate, utilizes the direct irradiation of sun power to make solution evaporation; Thermal source in the anterior solution preheater of vaporizer can be industrial exhaust heat and life used heat, this application of installation during to the seagoing transport of boats and ships auxiliary thermal source can also be boiler afterheat or other mechanical life used heat of machine room; Water vapor in vaporizer is directly condensation on solar heat-collection plate bottom or glass cover-plate not, but enters condenser under the pressure differential of blower fan and vaporizer and condenser, and steam is finally converted into fresh water in condenser.The water coolant using in spiral coil cooling tube in condenser is the refrigerated sea water of being produced by evaporating humidifier, the effect of the lower spiral coil cooling tube condensed steam of temperature of refrigerated sea water is just better, water coolant temperature after spiral coil cooling tube obviously raise be conducive to so again seawater in evaporating humidifier to air is carried out to humidification.The steam cycle exit of condenser is provided with water-recovering device, further promote vapor condensation to prevent that it from taking away water droplet, the form of water-recovering device can be for papery, organic or metal corrugated plate, also can be electrostatic equipment or the recovery being comprised of polypropylene net condensate water device.
Air humidification solution moisture absorption sun power fresh water device for making of the present invention, continuous operation along with device, after fresh water in seawater is suggested, the seawater amount in evaporating humidifier of being transported to reduces gradually, concentration thickens, this will be unfavorable in air, continuing to carry moisture, need to realize the adjusting to seawater amount and concentration by supplement seawater in seawater holder.By air inlet air-valve, constantly supplement the air of physical environment simultaneously, in the hygroscopic solution that the moisture in ambient air is extracted, make full use of the fresh water yield that moisture in ambient air increases whole device.
Adopted after technique scheme, beneficial effect of the present invention is:
1, be a kind of middle-size and small-size fresh water device for making that utilizes technology to combine evaporation cooling technique, solution moisture absorption regeneration techniques, renewable energy comprehensive, new sea water desaltination pattern is provided, the acquisition speed of fresh water is fast, and fresh water yield is more compared with the sea water desalinating plant of same size.
2, sea water desalinating plant of the present invention extracts the moisture in physical environment air and seawater simultaneously, and with respect to existing empty air condensate and the direct desalting equipment of conventional middle-size and small-size seawater, fresh water yield is improved.
3, in evaporating humidifier contact with sea water to be the very low dry air of water capacity after solution moisture absorber is processed all the time, moisture is many to airborne migration amount from seawater, latent heat transmission capacity greatly, the refrigerated sea water temperature produced is low; The temperature of cooling water that the temperature of the refrigerated sea water of producing in evaporating humidifier is used than conventional steam condensation sea water desalinating plant is lower, causes the speed of vapor condensation in condenser faster; Whole device does not need extra water coolant supply arrangement, and the utilization ratio of equipment is improved.
4, the forced-flow of the interior air of vaporizer can promote the evaporation of moisture in solution, pressure reduction in condenser in fast, the vaporizer of the inflow temperature of spiral coil cooling tube refrigerated sea water rate of set low, water vapor and condenser is large, and these factors are all conducive to improve fresh water and produce speed; The strengthening of evaporative process makes low-grade sun power and the industrial exhaust heat that in vaporizer, solution evaporation utilizes or lives waste heat still less, and vaporization temperature requires lower.The present invention is faster with respect to the speed of conventional sun power straight run distillation device fresh water, and under identical heat initial conditions, fresh water yield is larger.
Accompanying drawing explanation
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is structural representation of the present invention;
In Fig. 1, have: evaporating humidifier 1, solution moisture absorber 2, air inlet air-valve 3, the first blower fan 4, flow control valve 5, supercharging water circulating pump 6, seawater holder 7, vaporizer 8, solar heat-collection plate 9, solution preheater 10, solution circulation pump 11, solution cooler 12, condenser 13, water-recovering device 14, the second blower fans 15, fresh water holder 16.
Embodiment
1 further illustrate the specific embodiment of the present invention by reference to the accompanying drawings.
Air humidification solution moisture absorption sun power fresh water device for making of the present invention is mainly by seawater circulation system, air circulation system, solution recycle system and steam cycle condenser system form, comprise evaporating humidifier 1, solution moisture absorber 2, air inlet air-valve 3, the first blower fan 4, flow control valve 5, supercharging water circulating pump 6, seawater holder 7, vaporizer 8, solar heat-collection plate 9, solution preheater 10, solution circulation pump 11, solution cooler 12, condenser 13, water-recovering device 14, the second blower fan 15, fresh water holder 16, and the air channel between each device of connection, water lines, solution pipeline and vapour line.In seawater circulation system, spray pipeline import in evaporating humidifier 1 is connected with the outlet of supercharging water circulating pump 6 by flow control valve 5, the seawer outlet of evaporating humidifier 1 is connected with the spiral coil cooling tube import of condenser 13, the cooling water coil outlet of condenser 13 is connected to the import of seawater holder 7, and the outlet of seawater holder 7 is connected with the import of supercharging water circulating pump 6; In air circulation system, air channel connects the first blower fan 4, evaporating humidifier 1, air inlet air-valve 3 and solution moisture absorber 2 successively; Solution circulation pump 11 drives solution circulated, the taphole of solution moisture absorber 2 communicates with the solution inlet port of vaporizer 8 bottoms after solution preheater 10, the taphole of vaporizer 8 is connected with the import of solution circulation pump 11, the outlet of solution circulation pump 11 connects the import of solution cooler 12, and the outlet of solution cooler 12 is connected with the import of solution moisture absorber 2; The second blower fan 15 connects vaporizer 8, condenser 13 drive steam cycle by air channel, solar heat-collection plate 9 is equipped with at the top of vaporizer 8, steam enters fresh water holder 16 be condensed into condensed water in condenser 13 after, the refrigerated sea water that the water coolant that in condenser 13, spiral coil cooling tube is used is produced for evaporating humidifier 1, seawater after condenser 13 heating is stored in seawater holder 7, and hot sea water continues on in evaporating humidifier 1 dry air is carried out to humidification subsequently.The vapour outlet of condenser 13 arranges water-recovering device 14, and the form of water-recovering device 14 can be for papery, organic or metal corrugated plate, also can be electrostatic equipment or the recovery being comprised of polypropylene net condensate water device.Seawater in evaporating humidifier 1 sprays falling liquid film on filler, and filler used is aluminum oxide (Al 2o 3) ceramic foam packing; The recirculated air that evaporating humidifier 1 is used is the dry air after 2 moisture absorptions of solution moisture absorber.
Principle of work of the present invention is: the air in seawater and physical environment is transported in system by seawater holder 7 and air inlet air-valve 3 first respectively, open the first blower fan 4, supercharging water circulating pump 6 and solution circulation pump 11, operation evaporating humidifier 1 and solution moisture absorber 3.When the air in physical environment enters after system through solution moisture removing device 2, airborne moisture is absorbed by hygroscopic solution, and dry air enters evaporating humidifier 1 under the driving of the first blower fan 4.Meanwhile, the seawater in seawater holder 7 is delivered into evaporating humidifier 1 through supercharging water circulating pump 6.After dry air contacts in filler with seawater, moisture imports air into from seawater, and wet air enters again in solution moisture absorber 2 moisture transmission to hygroscopic solution; Seawater temperature is sent in the spiral coil cooling tube of condenser 13 as water coolant after reducing, and seawater is transmitted back to again seawater holder after being heated in spiral coil cooling tube.
In seawater circulation and air cycle operation, the moisture in air and seawater is constantly transferred in the hygroscopic solution in solution moisture absorber 2.First the dilution hygroscopic solution that has absorbed large quantity of moisture carries out preheating through solution preheater 10 from solution moisture absorber 2 flows out.Low level heat energy in solution preheater can be industrial exhaust heat and life used heat, this application of installation during to the seagoing transport of boats and ships auxiliary thermal source can also be the various mechanical used heat on ship.After solution preheating, enter the bottom of vaporizer 8, under the effect of solar radiation heat energy, evaporation discharges water vapor, now solution thickens again, and the strong solution of having recovered wettability power is cooling through solution cooler 12, again enters subsequently and in solution moisture absorber, absorbs airborne moisture.Heat-eliminating medium in solution cooler 12 can be that natural air can be also the seawater under natural condition.
After producing water vapor in vaporizer, open the second blower fan 15, water vapor enters condenser 13 under the driving of the pressure difference of fluidizing air and vaporizer 8 and condenser 13, after the spiral coil cooling tube that is condensed in device 13 of water vapor of heat is cooling, condense, condensed water enters in fresh water holder 16 and stores.Water vapor residual in air is further collected by water-recovering device 14, improves the efficiency of producing of fresh water.The forced-flow of air can promote the evaporation of moisture in solution, pressure reduction in spiral coil cooling tube in faster, the vaporizer 8 of the rate of set of the lower water vapor of temperature of refrigerated sea water and condenser 13 is larger, and these factors are all conducive to improve the fresh water of this device and produce speed.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (4)

1. an air humidification solution moisture absorption sun power fresh water device for making, is characterized in that: this device comprises seawater circulation system, air circulation system, solution recycle system and steam cycle condenser system; In seawater circulation system, spray pipeline import in evaporating humidifier (1) is connected with the outlet of supercharging water circulating pump (6) by flow control valve (5), the seawer outlet of evaporating humidifier (1) is connected with the spiral coil cooling tube import of condenser (13), the cooling water coil outlet of condenser (13) is connected to the import of seawater holder (7), and the outlet of seawater holder (7) is connected with the import of supercharging water circulating pump (6); In air circulation system, air channel connects the first blower fan (4), evaporating humidifier (1), air inlet air-valve (3) and solution moisture absorber (2) successively; Solution circulation pump (11) drives solution circulated, the taphole of solution moisture absorber (2) communicates with the solution inlet port of vaporizer (8) bottom after solution preheater (10), the taphole of vaporizer (8) is connected with the import of solution circulation pump (11), the outlet of solution circulation pump (11) connects the import of solution cooler (12), and the outlet of solution cooler (12) is connected with the import of solution moisture absorber (2); The second blower fan (15) connects vaporizer (8), condenser (13) drive steam cycle by air channel, and solar heat-collection plate (9) is equipped with at the top of vaporizer (8), and steam enters fresh water holder (16) be condensed into condensed water in condenser (13) after.
2. air humidification solution moisture absorption sun power fresh water device for making according to claim 1, is characterized in that: the vapour outlet of condenser (13) arranges water-recovering device (14), and the form of water-recovering device (14) is papery, organic or metal corrugated plate; Or be electrostatic equipment or the recovery condensate water device that formed by polypropylene net.
3. the using method of air humidification solution moisture absorption sun power fresh water device for making according to claim 2, is characterized in that: the seawater in evaporating humidifier (1) sprays falling liquid film on filler, and filler used is Alumina Foam Ceramics filler; The recirculated air that evaporating humidifier (1) is used is the dry air after solution moisture absorber (2) moisture absorption.
4. the using method of air humidification solution moisture absorption sun power fresh water device for making according to claim 3, it is characterized in that: the refrigerated sea water that the water coolant that in condenser (13), spiral coil cooling tube is used is produced for evaporating humidifier (1), seawater after condenser (13) heating is stored in seawater holder (7), and hot sea water continues on in evaporating humidifier (1) dry air is carried out to humidification subsequently.
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CN106765704B (en) * 2016-12-26 2019-07-09 南京航空航天大学 Double caloic coupled solar hot-air type vapo(u)rization systems and its method
CN106906874B (en) * 2017-03-03 2019-04-05 东莞理工学院 Island air water fetching device and its method for fetching water
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