CN101851946B - Water generating method by utilizing separating membrane to enrich air water vapor and device thereof - Google Patents

Water generating method by utilizing separating membrane to enrich air water vapor and device thereof Download PDF

Info

Publication number
CN101851946B
CN101851946B CN2010101757538A CN201010175753A CN101851946B CN 101851946 B CN101851946 B CN 101851946B CN 2010101757538 A CN2010101757538 A CN 2010101757538A CN 201010175753 A CN201010175753 A CN 201010175753A CN 101851946 B CN101851946 B CN 101851946B
Authority
CN
China
Prior art keywords
water
air
main
producing
auxilliary
Prior art date
Application number
CN2010101757538A
Other languages
Chinese (zh)
Other versions
CN101851946A (en
Inventor
冯诗愚
高秀峰
李云
王赞社
侯雄坡
顾兆林
Original Assignee
南京航空航天大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京航空航天大学 filed Critical 南京航空航天大学
Priority to CN2010101757538A priority Critical patent/CN101851946B/en
Publication of CN101851946A publication Critical patent/CN101851946A/en
Application granted granted Critical
Publication of CN101851946B publication Critical patent/CN101851946B/en

Links

Abstract

The invention discloses a water generating method by utilizing separating membrane to enrich air water vapor and device thereof. The water generating method includes that membrane dehumidification assembly and compression method are adopted to carry out air dehumidification treatment, then sweep gas is input into the water vapor side of the membrane dehumidification assembly by virtue of pipeline to realize enrichment of water vapor, and finally condensing is carried out on the high humidity sweep gas for enriching water vapor, thus obtaining water in liquid state or solid state. Compared with absorption method, the invention has the advantages of continuous operation process, no corrosion problem, easy maintenance and low energy consumption; the adopted refrigeration working medium is air, no pollution problem is produced, and compressor and expansion machine are all centrifugal machineries, rotating speed is high, thus equipment volume is small and weight is light under unit water production rate; and meanwhile the low temperature water vapor cooling medium at the outlet of the cold side passage of the main water generating device is led into the cold side passage of the secondary water generating device, so as to cool the air from atmosphere environment and obtain extra water yield.

Description

Utilize the process for preparing water and the device of diffusion barrier enriched air By steam
Technical field
The invention belongs to the dehumidification technical field, relate to a kind of process for preparing water and device thereof, particularly a kind of method and apparatus that utilizes diffusion barrier from air, to produce aqueous water.
Background technology
People are the arid area in the open air; Especially when being the desert area long-term work; Water supply is in these type of regional all movable prerequisites, and generally the acquisition mode of water mainly is that a spot of rainfall of dependence is accumulated or by base supply, the water yield instability of therefore being obtained is the expense height perhaps.In fact; Contain a certain amount of steam in the air, for example the average of the whole year relative humidity in Sahara Desert is about 20~30%, and the humidity in the night air is bigger; If can adopt certain method and device; With airborne steam transforming is aqueous water, then can supply to be for a long time the people working use of nonirrigated farmland district, is particularly suitable for open-air scientific investigation station, border military depot etc.
With steam transforming is that the unique method of aqueous water is exactly condensation, but two big types of ways below adopting usually, and the first kind is directly with air cooling-down; Reach below the dew-point temperature, airborne steam will be converted into aqueous water or solid ice (frost), though this class methods principle is simple; But because need be to the whole cooling of dry air and steam, and the dry air after lowering the temperature actual be useless, and the water in air vapor content is low more; Then dew-point temperature is also low more, so energy consumption is very huge; Other one type is at first with airborne steam enrichment, and then condensation, for example adopts adsorption method; Make air pass through sorbing material, airborne steam attached on the adsorbent until reaching certain concentration, and then adsorbent is heated; Steam just is diffused in the air; At this moment airborne water vapour content is very high, and dew-point temperature is also higher, therefore the water in air steam is converted into the required cold of aqueous water and also can reduces; Therefore earlier airborne steam is separated the purpose that reaches enrichment, adopting condensation method to be converted into aqueous water again is a kind of process preferably.
But the adsorbent reactivation process is cumbersome, and regenerative process need consume a large amount of heat energy; Particularly when the water in air vapor content is low, obtain a certain amount of water, need a large amount of air and pass through adsorbent; Therefore the volume of adsorption plant is also very huge, and makes the continuous of water process in order to guarantee, adsorption process and regenerative process all respectively need a set of equipment; Both alternate runs, this has further increased the volume weight of equipment undoubtedly.
Summary of the invention
The objective of the invention is to overcome the technical disadvantages of absorption method water-enriched steam system water, a kind of steam that utilizes in the diffusion barrier enriched air By is provided, thereby again through the method to enriched gas cooling manufacturing liquid water.
The objective of the invention is to solve through following technical scheme:
A kind of process for preparing water that utilizes diffusion barrier enriched air By steam may further comprise the steps: (1) air preliminary treatment adopts air filter, compressor that air is carried out removal of impurities, compression; (2) separating treatment of air vapor adopts film dehumidifying assembly that the compressed air of handling through step (1) is carried out dehumidification treatments to obtain to be in respectively the dehumidified air and the steam of film both sides; (3) the sweep gas method is adopted in condensed water cohesion, and sweep gas is introduced the vapor permeation side of film dehumidifying assembly in the step (2), carries out the lip-deep steam cleaning of membranous wall, to obtain the high humility sweep gas, realizes the enrichment of air vapor; The dehumidified air that simultaneously step (2) is obtained successively through supercooling, the back of expanding as the steam cooling medium, the high humility sweep gas that is obtained is carried out condensation, the acquisition condensed water; (4) condensed water is collected the condensed water after step (3) is handled, if aqueous water directly pumps into water tank through water pump; If solid water adopts the medium that thaws that condensed water is melted to behind the aqueous water earlier, pump into water tank through water pump again.
Further, used sweep gas derives from dehumidified air in the step (3), and the mass fraction that its use amount accounts for dehumidified air is 10~30%.
Further, the medium that thaws in the step (4) is the pretreated compressed air of process step (1).
Further, in step (3), the steam cooling medium as the secondary cooling medium, cools off the auxilliary system water removal of impurities air of handling through the air filter removal of impurities after the high humility sweep gas is cooled off once more, to obtain liquid or solid water; Simultaneously, auxilliary system water removal of impurities air is carried out cooled secondary cooling medium,, carry out compressed-air actuated cooling in the step (3) once more as the compressed air cooling medium.
Another goal of the invention of the present invention provides a kind of above-mentioned water generator that utilizes the process for preparing water of diffusion barrier enriched air By steam of realizing; It adopts film dehumidifying assembly, utilization compression method to carry out the dehumidification treatments of air; Realize the enrichment of steam again to the vapor permeation side input sweep gas of film dehumidifying assembly through pipeline; At last the high humility sweep gas of aforementioned water-enriched steam is carried out condensation, can obtain liquid or solid water.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of water generator that utilizes diffusion barrier enriched air By steam; Comprise air master water generator; This air master water generator comprises main system water air pretreatment unit, film dehumidifying assembly, sweep gas pressure-reducing valve, dehumidified air forecooler, dehumidified air decompressor, sweep gas forecooler, main water-producing apparatus and water tank; Said main system water air pretreatment unit comprises the main system water air filter and main system water air compressor that is linked in sequence; The air inlet and the outside air of said main system water air filter are connected; The high pressure admission mouth of said film dehumidifying assembly is connected with the gas outlet of main system water air compressor, and the cold side channel entrance of the high pressure gas outlet of film dehumidifying assembly, hot-side channel, dehumidified air decompressor and the main water-making machine of dehumidified air forecooler then is linked in sequence successively, simultaneously; The hot-side channel and the water tank of the low-pressure admission side of the gas outlet of sweep gas pressure-reducing valve, film dehumidifying assembly, the hot-side channel of sweep gas forecooler, main water-making machine are linked in sequence successively; And the air inlet of sweep gas pressure-reducing valve is communicated with the sweep gas carrier pipe, and in addition, the cold side passage of dehumidified air forecooler and sweep gas forecooler all has the cooling medium circulation.
Further; Said main system water air compressor is communicated with main water-producing apparatus hot-side channel; And being connected between main system water air compressor and the main water-producing apparatus hot-side channel is equipped with main water-producing apparatus defrost valve on the pipeline, and main simultaneously system water air compressor and film dehumidify and being connected between the high pressure admission mouth of assembly be connected with stop valve on the pipeline.
Further; Comprise that also air assists water generator; The auxilliary water generator of this air comprises auxilliary system water air air-introduced machine, auxilliary system water air filter and auxilliary water-producing apparatus, and said auxilliary system water air air-introduced machine and outside air are connected, and auxilliary system water air air-introduced machine, auxilliary system water air filter, auxilliary water-producing apparatus hot-side channel and water tank are linked in sequence successively; Simultaneously, the cold side channel outlet of main water-producing apparatus is connected with the cold side feeder connection of auxilliary water-producing apparatus.
Further, said main system water air compressor is communicated with auxilliary water-producing apparatus hot-side channel, and main the system being connected to be equipped with on the pipeline and assisting the water-producing apparatus defrost valve between water air compressor and the auxilliary water-producing apparatus hot-side channel.
Also be connected with the dehumidified air cooler between said dehumidified air forecooler and the dehumidified air decompressor; The hot-side channel of said dehumidified air cooler is connected with the hot-side channel outlet and the air expander air inlet of dehumidified air forecooler respectively, and the cold side channel entrance of dehumidified air cooler then is connected with the cold side channel outlet of auxilliary water-producing apparatus.
Further, said sweep gas carrier pipe is connected with the high pressure gas outlet of film dehumidifying assembly.
According to above technical scheme, can realize following beneficial effect:
1, adopt to remove wet film airborne steam is separated, reach the purpose of water in air steam enrichment, compare with adsorption method, the course of work continuously, no etching problem, easy care, energy consumption be low;
2, adopt the air cooling-down of open type air refrigeration cycle to the steam enrichment; Working medium does not exist pollution problem and continuous operation for a long time, and compressor and decompressor are centrifugal mechanical in addition, and rotating speed is high; So the device of unit volume and weight, its aquifer yield is high;
3, the air that is used for lowering the temperature at main water-producing apparatus still has lower temperature, therefore is provided with auxilliary water-producing apparatus again, further reclaims cold, improves the economy of device operation.
Description of drawings
Fig. 1 is the structural representation of water generator according to the invention;
Wherein, 1 is motor; 2 is main system water air filter; 3 is main system water air compressor; 4 is stop valve; 5 are film dehumidifying assembly; 6 is the sweep gas pressure-reducing valve; 7 is dehumidified air cooling medium air-introduced machine; 8 is the dehumidified air forecooler; 9 is the dehumidified air cooler; 10 is the dehumidified air decompressor; 11 is the sweep gas forecooler; 12 is sweep gas cooling medium air-introduced machine; 13 is main water-producing apparatus; 14 is main water-producing apparatus defrost valve; 15 is auxilliary water-producing apparatus defrost valve; 16 is auxilliary water-producing apparatus; 17 is auxilliary system water air filter; 18 is auxilliary system water air air-introduced machine; 19 is water pump; 20 is water tank.
The specific embodiment
Accompanying drawing discloses a preferred embodiment of the present invention without limitation, below will combine accompanying drawing that technical scheme of the present invention at length is described.
The process for preparing water that utilizes diffusion barrier enriched air By steam of the present invention may further comprise the steps: (1) air preliminary treatment adopts air filter, compressor that air is carried out removal of impurities, compression; (2) separating treatment of air vapor adopts 5 pairs of compressed air of handling through step (1) of film dehumidifying assembly to carry out dehumidification treatments to obtain to be in respectively the dehumidified air and the steam of film both sides; (3) the sweep gas method is adopted in the condensed water cohesion; Sweep gas is introduced the vapor permeation side of film dehumidifying assembly 5 in the step (2); Carry out the lip-deep steam cleaning of membranous wall,, realize the enrichment of air vapor to obtain the high humility sweep gas; The sweep gas that is adopted derives from the dehumidified air that step (2) obtains, and the mass fraction that its use amount accounts for dehumidified air is 10~30%; After the dehumidified air that simultaneously step (2) is obtained is removed the sweep gas share, remaining part successively through supercooling, expand after as the steam cooling medium, the high humility sweep gas that is obtained is carried out condensation; Obtain condensed water; In addition, after the steam cooling medium cools off the high humility sweep gas, as the secondary cooling medium; Once more the auxilliary system water removal of impurities air of handling through the air filter removal of impurities is cooled off, to obtain liquid or solid water; Simultaneously, auxilliary system water removal of impurities air is carried out cooled secondary cooling medium,, carry out compressed-air actuated cooling in the step (3) once more as the compressed air cooling medium; (4) condensed water is collected the condensed water after step (3) is handled, if aqueous water directly pumps into water tank 20 through water pump 19; If solid water adopts the medium that thaws that condensed water is melted to behind the aqueous water earlier, pump into water tank 20 through water pump 19 again, the described medium that thaws is through the pretreated compressed air of step (1).
As shown in Figure 1; The water generator that utilizes diffusion barrier enriched air By steam according to the invention; Comprise air master water generator; This air master water generator comprises main system water air pretreatment unit, film dehumidifying assembly 5, sweep gas pressure-reducing valve 6, dehumidified air forecooler 8, dehumidified air decompressor 10, sweep gas forecooler 11, main water-producing apparatus 13 and water tank 20; Said main system water air pretreatment unit comprises the main system water air filter 2 and main system water air compressor 3 that is linked in sequence; The air inlet and the outside air of said main system water air filter 2 are connected; The high pressure admission mouth of said film dehumidifying assembly 5 is connected with the gas outlet of main system water air compressor 3; The cold side channel entrance of the high pressure gas outlet of film dehumidifying assembly 5, hot-side channel, dehumidified air decompressor 10 and the main water-making machine of dehumidified air forecooler 8 then is linked in sequence successively; Simultaneously, the hot-side channel and the water tank 20 of the gas outlet of sweep gas pressure-reducing valve 6, the low-pressure admission side of film dehumidifying assembly 5, the hot-side channel of sweep gas forecooler 11, main water-making machine are linked in sequence successively, and the air inlet of sweep gas pressure-reducing valve 6 is communicated with the sweep gas carrier pipe; In addition; The cold side passage of dehumidified air forecooler 8 and sweep gas forecooler 11 all has the cooling medium circulation, and the cold side channel entrance of said dehumidified air forecooler 8 and sweep gas forecooler 11 is connected through the air-vent of pipeline with dehumidified air cooling medium air-introduced machine 7 and sweep gas cooling medium air-introduced machine 12 respectively, and the equal and external environment connect of the outlet of the cold side passage of dehumidified air forecooler 8 and sweep gas forecooler 11.
Because the condensed water that adopts main water-producing apparatus 13 to obtain possibly be solid water; Therefore; Also need these solid waters are melted, just can drain into water tank 20, be communicated with main water-producing apparatus 13 hot-side channels so the present invention will lead system water air compressor 3; And being connected between main system water air compressor 3 and main water-producing apparatus 13 hot-side channels is equipped with main water-producing apparatus defrost valve 14 on the pipeline, and main simultaneously system water air compressor 3 and film dehumidify and being connected between the high pressure admission mouth of assembly 5 be connected with stop valve 4 on the pipeline.
For further utilizing the low-temperature receiver of the steam cooling medium of high humility sweep gas in conduct master water-producing apparatus 13 hot-side channels that the compressed air decompressor draws; The present invention comprises that also air assists water generator; The auxilliary water generator of this air comprises auxilliary water air air-introduced machine 18, auxilliary system water air filter 17 and the auxilliary water-producing apparatus 16 made; Said auxilliary system water air air-introduced machine 18 is connected with outside air; And auxilliary water air air-introduced machine 18, auxilliary system water air filter 17, auxilliary water-producing apparatus 16 hot-side channels and the water tank 20 made is linked in sequence successively, and simultaneously, the cold side channel outlet of main water-producing apparatus 13 is connected with the cold side feeder connection of auxilliary water-producing apparatus 16.Equally; The condensation that auxilliary water-producing apparatus 16 is made also possibly be solid water; Therefore, the present invention is communicated with said main system water air compressor 3 with auxilliary water-producing apparatus 16 hot-side channels, and main the system being connected to be equipped with on the pipeline and assisting water-producing apparatus defrost valve 16 between water air compressor 3 and auxilliary water-producing apparatus 16 hot-side channels.
Therefore; Main water-producing apparatus 13 hot-side channels have two imports and outlet; Two imports of said main water-producing apparatus 13 hot-side channels are connected with outlet of sweep gas forecooler 11 hot-side channels and 14 outlets of main water-producing apparatus defrost valve through pipeline respectively; And two outlets of these main water-producing apparatus 13 hot-side channels all are communicated with atmospheric environment, and same, said auxilliary water-producing apparatus 16 hot-side channels also have two imports and outlet; Two imports should assisting water-producing apparatus 16 hot-side channels are connected with air filter outlet and auxilliary water-producing apparatus defrost valve 16 respectively, and its two outlets then directly are communicated with atmospheric environment.
In addition; Also be connected with dehumidified air cooler 9 between said dehumidified air forecooler 8 and the dehumidified air decompressor 10; The hot-side channel of said dehumidified air cooler 9 is connected with the hot-side channel gas outlet and the air expander air inlet of dehumidified air forecooler 8 respectively; The cold side channel entrance of dehumidified air cooler 9 then is connected with the cold side passage gas outlet of auxilliary water-producing apparatus 16, and the cold side passage gas outlet of dehumidified air cooler 9 then is communicated with atmospheric environment, and hence one can see that; The steam cooling medium of compressed air decompressor output has obtained utilizing more completely, has greatly practiced thrift the energy and water producing cost.
Sweep gas of the present invention is directed to the dehumidified air of film dehumidifying assembly 5 high pressure gas outlets output, and therefore, the present invention is connected the high pressure gas outlet of said sweep gas carrier pipe with film dehumidifying assembly 5.
Say that at length the annexation described in the accompanying drawing 1 between each parts is following:
Main system water air filter 2 air inlets directly are communicated with atmospheric environment; And main system water air filter 2 gas outlets are connected with said main system water air compressor 3 air inlets through pipeline; The gas outlet of this main system water air compressor 3 is connected with the inlet of stop valve 4, main water-producing apparatus defrost valve 14 and auxilliary water-producing apparatus defrost valve 16 respectively through pipeline; Stop valve 4 outlets are connected through the high pressure admission mouth of pipeline with film dehumidifying assembly 5; The high pressure gas outlet of film dehumidifying assembly 5 is connected with pressure-reducing valve air inlet and dehumidified air forecooler 8 hot-side channel air inlets respectively through pipeline; The low-pressure admission mouth of film dehumidifying assembly 5 is connected with the gas outlet and the sweep gas forecooler 11 hot-side channel air inlets of pressure-reducing valve through pipeline respectively with the low pressure gas outlet; Sweep gas forecooler 11 cold side passage air inlets are connected through the air-vent and the atmospheric environment of pipeline with sweep gas cooling medium air-introduced machine 12 respectively with the gas outlet; And the air inlet of sweep gas cooling medium air-introduced machine 12 directly is communicated with atmospheric environment; Dehumidified air forecooler 8 hot-side channel gas outlets are connected with dehumidified air cooler 9 hot-side channel air inlets through pipeline; Dehumidified air forecooler 8 cold side passage air inlets are connected with dehumidified air cooling medium air-introduced machine 7 air-vents and atmospheric environment respectively with the gas outlet; The air inlet of this dehumidified air cooling medium air-introduced machine 7 directly is connected with atmospheric environment; Dehumidified air cooler 9 cold side passage air inlets are connected with auxilliary water-producing apparatus 16 cold side channel outlet through pipeline, and dehumidified air cooler 9 cold side passage gas outlets directly are communicated with atmospheric environment, and dehumidified air cooler 9 hot-side channel gas outlets are connected with dehumidified air decompressor 10 air inlets through pipeline; Dehumidified air decompressor 10 gas outlets are connected with main water-producing apparatus 13 cold side passage air inlets through pipeline; Main water-producing apparatus 13 cold side passage gas outlets are connected with auxilliary water-producing apparatus 16 cold side passage air inlets through pipeline, and auxilliary water-producing apparatus 16 cold side passage gas outlets are connected with dehumidified air cooler 9 cold side passage air inlets through pipeline, and decompressor cooler cold side passage gas outlet directly is communicated with atmospheric environment; Main water-producing apparatus 13 hot-side channels have two air inlets and gas outlet; Two air inlets of these main water-producing apparatus 13 hot-side channels are connected with sweep gas forecooler 11 hot-side channel gas outlets and main water-producing apparatus defrost valve 14 gas outlets through pipeline respectively, and its two gas outlets all are communicated with atmospheric environment, and auxilliary water-producing apparatus 16 hot-side channels also have two air inlets and gas outlet; The air inlet that should assist water-producing apparatus 16 hot-side channels is connected with auxilliary system water air filter 17 gas outlets and auxilliary water-producing apparatus defrost valve 16 respectively; And its two outlets also directly are communicated with atmospheric environment, and the air inlet of auxilliary system water air filter 17 is connected through the air-vent of pipeline with auxilliary system water air air-introduced machine 18, and the inlet of auxilliary system water air air-introduced machine 18 is communicated with atmospheric environment; Sweep gas forecooler 11, main water-producing apparatus 13 and auxilliary water-producing apparatus 16 hot sides are provided with delivery port, and these delivery ports are connected with water pump 19 inlets through water pipe, and water pump 19 outlets are connected with water tank 20 inlets through water pipe.
Above-mentioned main system water air compressor 3 is a centrifugal mechanical with dehumidified air decompressor 10; Above-mentioned main system water air compressor 3, dehumidified air decompressor 10 are connected or are connected through devices such as belt and gears each other with motor 1 is coaxial respectively;
Above-mentioned motor 1 power source is grid alternating current, vehicle-mounted direct current, battery, wind power generation plant, device of solar generating;
Above-mentioned film dehumidifying assembly 5 is doughnut formula, flat or rolled structure;
Above-mentioned sweep gas forecooler 11, dehumidified air forecooler 8, dehumidified air cooler 9, main water-producing apparatus 13 and auxilliary water-producing apparatus 16 are plate-fin heat exchanger; Above-mentioned sweep gas forecooler 11, dehumidified air forecooler 8, dehumidified air cooler 9, main water-producing apparatus 13 and auxilliary water-producing apparatus 16 also can be all threaded tubular heat exchanger inside and outside the heat exchanger tube
The course of work of present embodiment is following:
When water generator according to the invention need be made water from air when; After main master's system water air of making certain humidity in the water air compressor 3 suction atmospheric environments also passes through its pressure of compression raising; High pressure admission mouth by film dehumidifying assembly 5 gets into the high-pressure side; Under the effect that film separates, the airborne part vapor permeation of main system water is to film dehumidifying assembly 5 low-pressure sides, and the dehumidified air after the main system of the reduction water air humidity is through the high pressure gas outlet discharge of film dehumidifying assembly 5; Most of dehumidified air is lowered the temperature through the hot-side channel of dehumidified air forecooler 8 and dehumidified air cooler 9 successively; Get into dehumidified air decompressor 10 air entries afterwards, after few part dehumidified air is reduced pressure by the pressure-reducing valve constant enthalpy, as the low-pressure admission mouth entering low-pressure side of sweep gas through film dehumidifying assembly 5; Will be surperficial from membranous wall through the steam purging that the film infiltration comes; The humidity of sweep gas increases in this process, to obtain the high humility sweep gas, after this high humility sweep gas is then discharged through film dehumidifying assembly 5 low pressure gas outlets; Successively through sweep gas forecooler 11 and main water-producing apparatus 13 hot-side channels; Under the effect of main water-producing apparatus 13 cold side passage cooling mediums, the steam in the sweep gas separate out with liquid water or with the form of frost or ice attached on the hot-side channel wall, the cooling medium of circulation is by 10 outputs of dehumidified air decompressor in these main water-producing apparatus 13 cold side passages.
In addition, after 10 processing of dehumidified air decompressor, dehumidified air expands and the temperature reduction; Flow out through dehumidified air decompressor 10 exhaust outlets afterwards, at first pass through main water-producing apparatus 13 cold side passages as the steam cooling medium, temperature has certain rising then; Then flow into auxilliary water-producing apparatus 16 cold side passages as the secondary cooling medium; To assist in water-producing apparatus 16 hot-side channels from auxilliary system water air themperature in the atmospheric environment and reduce, thus make contained steam in the auxilliary system water air separate out with liquid water or with the form of frost or ice attached on the hot-side channel wall, last once more as the cold side passage of compressed air cooling medium input dehumidified air cooler 9; So that the dehumidified air in dehumidified air cooler 9 hot-side channels is cooled off; Hence one can see that, and the recycle of low-temperature receiver of the present invention has reduced water producing cost effectively;
After frost layer or ice sheet reach certain thickness on main water-producing apparatus 13 or the auxilliary water-producing apparatus 16 hot-side channel walls; At this moment get into the defrosting flow process; Close stop valve 4 and corresponding main water-producing apparatus defrost valve 14 or the auxilliary water-producing apparatus defrost valve 16 opened; The high-temperature exhaust air that main system water air compressor 3 is produced directly gets into main water-producing apparatus 13 or auxilliary water-producing apparatus 16 hot-side channels with frost or ice-out liquefy water; After frost layer or ice sheet are melted fully, open stop valve 4 and corresponding main water-producing apparatus defrost valve 14 or the auxilliary water-producing apparatus defrost valve 16 of closing, get into system current journey once more;
In system current journey or the defrosting flow process, the aqueous water that produces at sweep gas forecooler 11, main water-producing apparatus 13 and auxilliary water-producing apparatus 16 pumps into water tank 20 by water pump 19; Water in the water tank 20 through purifying step such as suitable filtration, sterilizations after, just can offer people and use.

Claims (10)

1. a process for preparing water that utilizes diffusion barrier enriched air By steam is characterized in that, may further comprise the steps:
(1) air preliminary treatment---adopt air filter, compressor that air is carried out removal of impurities, compression;
(2) separating treatment of air vapor---adopt film dehumidifying assembly that the compressed air of handling through step (1) is carried out dehumidification treatments to obtain to be in respectively the dehumidified air and the steam of film both sides;
(3) condensed water cohesion---a, adopt the sweep gas method that sweep gas is introduced the vapor permeation side of film dehumidifying assembly in the step (2), carry out the lip-deep steam cleaning of membranous wall,, realize the enrichment of air vapor to obtain the high humility sweep gas; B, dehumidified air that step (2) is obtained successively through supercooling, expand after as the steam cooling medium; C, the steam cooling medium among the step b is carried out condensation to the high humility sweep gas that is obtained among the step a, obtain condensed water;
(4) condensed water is collected---the condensed water after step (3) is handled, if aqueous water directly pumps into water tank through water pump; If solid water adopts the medium that thaws that condensed water is melted to behind the aqueous water earlier, pump into water tank through water pump again.
2. according to the said process for preparing water that utilizes diffusion barrier enriched air By steam of claim 1, it is characterized in that used sweep gas derives from dehumidified air in the step (3), the mass fraction that its use amount accounts for dehumidified air is 10~30%.
3. according to the said process for preparing water that utilizes diffusion barrier enriched air By steam of claim 1, it is characterized in that the medium that thaws in the step (4) is the pretreated compressed air of process step (1).
4. according to the said process for preparing water that utilizes diffusion barrier enriched air By steam of claim 3; It is characterized in that; In step (3), after the steam cooling medium cools off the high humility sweep gas, as the secondary cooling medium; Once more the auxilliary system water removal of impurities air of handling through the air filter removal of impurities is cooled off, to obtain liquid or solid water; Simultaneously, auxilliary system water removal of impurities air is carried out cooled secondary cooling medium,, carry out the cooling of dehumidified air in the step (3) once more as the compressed air cooling medium.
5. water generator that utilizes diffusion barrier enriched air By steam; It is characterized in that; Comprise air master water generator; This air master water generator comprises main system water air pretreatment unit, film dehumidifying assembly, sweep gas pressure-reducing valve, dehumidified air forecooler, dehumidified air decompressor, sweep gas forecooler, main water-producing apparatus and water tank; Said main system water air pretreatment unit comprises the main system water air filter and main system water air compressor that is linked in sequence, and the air inlet and the outside air of said main system water air filter are connected, and the high pressure admission mouth of said film dehumidifying assembly is connected with the gas outlet of main system water air compressor; The cold side channel entrance of the high pressure gas outlet of film dehumidifying assembly, hot-side channel, dehumidified air decompressor and the main water-producing apparatus of dehumidified air forecooler then is linked in sequence successively; Simultaneously, the hot-side channel and the water tank of the gas outlet of sweep gas pressure-reducing valve, the low-pressure admission side of film dehumidifying assembly, the hot-side channel of sweep gas forecooler, main water-producing apparatus are linked in sequence successively, and the air inlet of sweep gas pressure-reducing valve is communicated with the sweep gas carrier pipe; In addition, the cold side passage of dehumidified air forecooler and sweep gas forecooler all has the cooling medium circulation.
6. according to the said water generator that utilizes diffusion barrier enriched air By steam of claim 5; It is characterized in that; Said main system water air compressor is communicated with main water-producing apparatus hot-side channel; And being connected between main system water air compressor and the main water-producing apparatus hot-side channel is equipped with main water-producing apparatus defrost valve on the pipeline, and main simultaneously system water air compressor and film dehumidify and being connected between the high pressure admission mouth of assembly be connected with stop valve on the pipeline.
7. according to claim 5 or the 6 said water generators that utilize diffusion barrier enriched air By steam; It is characterized in that; Comprise that also air assists water generator; The auxilliary water generator of this air comprises auxilliary system water air air-introduced machine, auxilliary system water air filter and auxilliary water-producing apparatus, and said auxilliary system water air air-introduced machine and outside air are connected, and auxilliary system water air air-introduced machine, auxilliary system water air filter, auxilliary water-producing apparatus hot-side channel and water tank are linked in sequence successively; Simultaneously, the cold side channel outlet of main water-producing apparatus is connected with the cold side feeder connection of auxilliary water-producing apparatus.
8. according to the said water generator that utilizes diffusion barrier enriched air By steam of claim 7; It is characterized in that; Said auxilliary water-producing apparatus hot-side channel is communicated with main system water air compressor, and auxilliary water-producing apparatus hot-side channel is equipped with auxilliary water-producing apparatus defrost valve being connected between the water air compressor with main the system on the pipeline.
9. according to the said water generator that utilizes diffusion barrier enriched air By steam of claim 7; It is characterized in that; Also be connected with the dehumidified air cooler between said dehumidified air forecooler and the dehumidified air decompressor; The hot-side channel of said dehumidified air cooler is connected with the hot-side channel outlet and the air expander air inlet of dehumidified air forecooler respectively, and the cold side channel entrance of dehumidified air cooler then is connected with the cold side channel outlet of auxilliary water-producing apparatus.
10. according to the said water generator that utilizes diffusion barrier enriched air By steam of claim 5, it is characterized in that said sweep gas carrier pipe is connected with the high pressure gas outlet of film dehumidifying assembly.
CN2010101757538A 2010-05-18 2010-05-18 Water generating method by utilizing separating membrane to enrich air water vapor and device thereof CN101851946B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101757538A CN101851946B (en) 2010-05-18 2010-05-18 Water generating method by utilizing separating membrane to enrich air water vapor and device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101757538A CN101851946B (en) 2010-05-18 2010-05-18 Water generating method by utilizing separating membrane to enrich air water vapor and device thereof

Publications (2)

Publication Number Publication Date
CN101851946A CN101851946A (en) 2010-10-06
CN101851946B true CN101851946B (en) 2012-06-06

Family

ID=42803615

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101757538A CN101851946B (en) 2010-05-18 2010-05-18 Water generating method by utilizing separating membrane to enrich air water vapor and device thereof

Country Status (1)

Country Link
CN (1) CN101851946B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012125909A2 (en) * 2011-03-16 2012-09-20 Carrier Corporation Air conditioning system with distilled water production from air
CN102505732B (en) * 2011-10-28 2014-02-26 中国人民解放军第四军医大学 Membrane process water extraction device from air
CN103134121B (en) * 2013-02-19 2015-06-17 东南大学 Membrane method dehumidification device and method based on vapor compression and solution absorption
CN103499144B (en) * 2013-10-16 2016-03-30 无锡艾科瑞思产品设计与研究有限公司 A kind of water heater
CN103574790B (en) * 2013-10-17 2016-01-20 陕西科技大学 A kind of dehumidified air cooling device and cooling means
CN105042917B (en) * 2015-09-09 2017-07-07 夏文庆 Pressurized air water-making machine system
CN107816434A (en) * 2017-11-23 2018-03-20 河南中烟工业有限责任公司 A kind of preposition air pretreatment device of air compressor machine
CN108360606A (en) * 2017-12-29 2018-08-03 海天水务集团股份公司 A kind of process for preparing water from air based on enrichment film

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6481232B2 (en) * 2000-07-26 2002-11-19 Fakieh Research & Development Center Apparatus and method for cooling of closed spaces and production of freshwater from hot humid air
US20040173098A1 (en) * 2003-03-05 2004-09-09 Callihan Clayton D. Passive source of fresh water
CN2729559Y (en) * 2004-08-24 2005-09-28 徐伯柳 Air separating oxygen enriching apparatus
CN200974986Y (en) * 2006-03-25 2007-11-14 黄实雄 Multifunctional air water making machine
EP2181743A1 (en) * 2008-10-29 2010-05-05 Dutch Rainmaker B.V. Device for producing water from ambient air
CN201459806U (en) * 2009-03-09 2010-05-12 黄忠平 Air created water purifying device

Also Published As

Publication number Publication date
CN101851946A (en) 2010-10-06

Similar Documents

Publication Publication Date Title
CN103742999B (en) A kind of can optimizing regulation air quality there is the equipment of direct drinking function
Hwang et al. Review of solar cooling technologies
US7942387B2 (en) System and method for managing water content in a fluid
CN101055121B (en) Minisize distributed type solar energy driven combining system for supplying cool, hot energy and electricity
CN102677739B (en) Device capable of obtaining water from air
CN100552323C (en) The solar energy-air source energy-saving type solution heat pump device
AU2006253864B2 (en) System and method for managing water content in a fluid
CN101153757B (en) Novel solar gas-injection refrigerating system
CN101939075A (en) Carbon dioxide capture from flue gas
CN104061757A (en) Liquid oxygen and liquid nitrogen preparation device and method
Askalany et al. Hybrid adsorption cooling systems–An overview
US20080148744A1 (en) Water generation from air utilizing solar energy and adsorption refrigeration unit
CN102963893B (en) CO2Collection method and system
CN204212217U (en) Air water machine
CN101672552A (en) Tower heating pump complete device with solar energy secondary heat source
US7601208B2 (en) Water-from-air using liquid desiccant and vehicle exhaust
WO2009048421A8 (en) Energy saving and environmentally friendly mobile atmospheric dehumidifier for water generator and drinking purposes
CN101975421A (en) Heat pump-driven membrane-type liquid dehumidification and energy storage device
US20100170499A1 (en) Method and apparatus for extracting water from atmospheric air and utilizing the same
CN201006394Y (en) Energy-saving combined type dehydrator
CN102135008A (en) High-pressure refrigerant-driven refrigeration and purification integrated machine and method
CN201892437U (en) Closed integrated anti-frost heat source tower
CN203274344U (en) Energy-saving cascade refrigerating system
CN104061643B (en) Closed type heat source tower heat pump cools down united air conditioning system with evaporation
CN1473766A (en) Double stage absorptive compressing type high temperature heat pump sea water desalination device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120606

Termination date: 20150518