CN101851946A - 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 PDFInfo
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- CN101851946A CN101851946A CN 201010175753 CN201010175753A CN101851946A CN 101851946 A CN101851946 A CN 101851946A CN 201010175753 CN201010175753 CN 201010175753 CN 201010175753 A CN201010175753 A CN 201010175753A CN 101851946 A CN101851946 A CN 101851946A
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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
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 all movable prerequisites of area, and the acquisition mode of general water mainly is to rely on a spot of rainfall to accumulate or by base supply, therefore water yield instability or the expense height that is obtained.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%, humidity in the night air is bigger, if can adopt certain method and device, with airborne steam transforming is aqueous water, then can be particularly suitable for open-air scientific investigation station, border military depot etc. for for a long time in people's use of arid area work.
With steam transforming is that the unique method of aqueous water is exactly condensation, but adopt following two big class ways usually, the first kind is directly with air cooling-down, reaches below the dewpoint temperature, and 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 the cooling actual be useless, and the water in air vapor content is low more, then dewpoint temperature is also low more, so energy consumption is very huge; An other class is at first with airborne steam enrichment, and then condensation, for example adopt adsorption method, make air pass through sorbing material, airborne steam attached on the adsorbent until reaching certain concentration, and then adsorbent heated, steam just is diffused in the air, at this moment airborne water vapour content is very high, dewpoint 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, regenerative process need consume a large amount of heat energy, particularly when the water in air vapor content is low, obtains 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 enrichment steam system water, a kind of steam that utilizes in the diffusion barrier enriched air By is provided, thereby again by the method to enriched gas cooling manufacturing liquid water.
The objective of the invention is to solve by the following technical programs:
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; Simultaneously the dehumidified air that 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 by 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 by 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, to obtain liquid state or solid water after the high humility sweep gas is cooled off once more; 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 by pipeline, at last the high humility sweep gas of aforementioned enrichment steam is carried out condensation, can obtain liquid state 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, the sweep gas reducing valve, the dehumidified air forecooler, the dehumidified air decompressor, the sweep gas forecooler, main water-producing apparatus and water tank, described main system water air pretreatment unit comprises main system water air filter and the main system water air compressor that is linked in sequence, the air inlet port and the outside air of described main system water air filter are connected, the high pressure admission mouth of described film dehumidifying assembly is connected with the gas outlet of main system water air compressor, and the high pressure gas outlet of film dehumidifying assembly, the hot-side channel of dehumidified air forecooler, the cold side channel entrance of dehumidified air decompressor and main water-making machine then is linked in sequence successively, simultaneously, the gas outlet of sweep gas reducing valve, the low-pressure admission side of film dehumidifying assembly, the hot-side channel of sweep gas forecooler, the hot-side channel and the water tank of main water-making machine are linked in sequence successively, and the air inlet port of sweep gas 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.
Further, described main system water air compressor is communicated with main water-producing apparatus hot-side channel, and on the connecting pipe between main system water air compressor and the main water-producing apparatus hot-side channel main water-producing apparatus defrost valve is installed, is connected with stop valve on the connecting pipe between the high pressure admission mouth of main simultaneously system water air compressor and film dehumidifying assembly.
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, described 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, described main system water air compressor is communicated with auxilliary water-producing apparatus hot-side channel, and auxilliary water-producing apparatus defrost valve is installed on the connecting pipe between main system water air compressor and the auxilliary water-producing apparatus hot-side channel.
Also be connected with the dehumidified air cooler between described dehumidified air forecooler and the dehumidified air decompressor, the hot-side channel of described dehumidified air cooler is connected with the hot-side channel outlet and the air expander air inlet port 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, described 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, the rotating speed height, so the device of unit volume and weight, its aquifer yield height;
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 of the present 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 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, explains technical scheme of the present invention below with reference to accompanying drawing.
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, to obtain the high humility sweep gas, realize the enrichment of air vapor, 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 step (2) is obtained is removed the sweep gas share simultaneously, 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 state 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 by 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 by 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 of the present invention, comprise air master water generator, this air master water generator comprises main system water air pretreatment unit, film dehumidifying assembly 5, sweep gas reducing valve 6, dehumidified air forecooler 8, dehumidified air decompressor 10, sweep gas forecooler 11, main water-producing apparatus 13 and water tank 20, described main system water air pretreatment unit comprises main system water air filter 2 and the main system water air compressor 3 that is linked in sequence, the air inlet port and the outside air of described main system water air filter 2 are connected, the high pressure admission mouth of described film dehumidifying assembly 5 is connected with the gas outlet of main system water air compressor 3, and the high pressure gas outlet of film dehumidifying assembly 5, the hot-side channel of dehumidified air forecooler 8, the cold side channel entrance of dehumidified air decompressor 10 and main water-making machine then is linked in sequence successively, simultaneously, the gas outlet of sweep gas reducing valve 6, the low-pressure admission side of film dehumidifying assembly 5, the hot-side channel of sweep gas forecooler 11, the hot-side channel of main water-making machine and water tank 20 are linked in sequence successively, and the air inlet port of sweep gas 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, the cold side channel entrance of described dehumidified air forecooler 8 and sweep gas forecooler 11 is connected by 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 outlet of the cold side passage of dehumidified air forecooler 8 and sweep gas forecooler 11 is equal and external environment connect.
Because the condensed water that adopts main water-producing apparatus 13 to obtain may be solid water, therefore, also need these solid waters are melted, just can drain into water tank 20, so will leading system water air compressor 3, the present invention is communicated with main water-producing apparatus 13 hot-side channels, and on the connecting pipe between main system water air compressor 3 and main water-producing apparatus 13 hot-side channels main water-producing apparatus defrost valve 14 is installed, is connected with stop valve 4 on the connecting pipe between the high pressure admission mouth of main simultaneously system water air compressor 3 and film dehumidifying assembly 5.
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 system water air air-introduced machine 18, auxilliary system water air filter 17 and auxilliary water-producing apparatus 16, described auxilliary system water air air-introduced machine 18 is connected with outside air, and auxilliary system water air air-introduced machine 18, auxilliary system water air filter 17, auxilliary water-producing apparatus 16 hot-side channels and water tank 20 are linked in sequence successively, 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 may be solid water, therefore, the present invention is communicated with described main system water air compressor 3 with auxilliary water-producing apparatus 16 hot-side channels, and on the connecting pipe between main system water air compressor 3 and auxilliary water-producing apparatus 16 hot-side channels auxilliary water-producing apparatus defrost valve 16 is installed.
Therefore, main water-producing apparatus 13 hot-side channels have two imports and outlet, two imports of described 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 by pipeline respectively, and two outlets of these main water-producing apparatus 13 hot-side channels all are communicated with atmospheric environment, equally, described 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 two outlet then directly is communicated with atmospheric environment.
In addition, also be connected with dehumidified air cooler 9 between described dehumidified air forecooler 8 and the dehumidified air decompressor 10, the hot-side channel of described dehumidified air cooler 9 is connected with the hot-side channel gas outlet and the air expander air inlet port 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, hence one can see that, the steam cooling medium of compressed air decompressor output has obtained utilizing more completely, has greatly saved 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 described sweep gas carrier pipe with film dehumidifying assembly 5.
In detail, the annexation between each parts is as follows described in the accompanying drawing 1:
Main system water air filter 2 air inlet ports directly are communicated with atmospheric environment, and main system water air filter 2 gas outlets are connected with described main system water air compressor 3 air inlet ports through pipeline, the gas outlet of this main system water air compressor 3 by pipeline respectively with stop valve 4, the inlet of main water-producing apparatus defrost valve 14 and auxilliary water-producing apparatus defrost valve 16 connects, stop valve 4 outlets are connected by 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 reducing valve air inlet port and dehumidified air forecooler 8 hot-side channel air inlet ports respectively by 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 inlet ports of reducing valve by pipeline respectively with the low pressure gas outlet, sweep gas forecooler 11 cold side passage air inlet ports are connected by 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 intake 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 inlet ports by pipeline, dehumidified air forecooler 8 cold side passage air inlet ports are connected with dehumidified air cooling medium air-introduced machine 7 air-vents and atmospheric environment respectively with the gas outlet, the air inlet port of this dehumidified air cooling medium air-introduced machine 7 directly is connected with atmospheric environment, dehumidified air cooler 9 cold side passage air inlet ports are connected with auxilliary water-producing apparatus 16 cold side channel outlet by pipeline, dehumidified air cooler 9 cold side passage gas outlets directly are communicated with atmospheric environment, dehumidified air cooler 9 hot-side channel gas outlets are connected with dehumidified air decompressor 10 air inlet ports by pipeline, dehumidified air decompressor 10 gas outlets are connected with main water-producing apparatus 13 cold side passage air inlet ports by pipeline, main water-producing apparatus 13 cold side passage gas outlets are connected with auxilliary water-producing apparatus 16 cold side passage air inlet ports by pipeline, auxilliary water-producing apparatus 16 cold side passage gas outlets are connected with dehumidified air cooler 9 cold side passage air inlet ports by pipeline, decompressor cooler cold side passage gas outlet directly is communicated with atmospheric environment, main water-producing apparatus 13 hot-side channels have two air inlet ports and gas outlet, two air inlet ports 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 by pipeline respectively, and two gas outlet all is communicated with atmospheric environment, auxilliary water-producing apparatus 16 hot-side channels also have two air inlet ports and gas outlet, the air inlet port 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 two outlet also directly is communicated with atmospheric environment, the air inlet port of auxilliary system water air filter 17 is connected by 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 by water pipe, and water pump 19 outlets are connected with water tank 20 inlets by water pipe.
Above-mentioned main system water air compressor 3 and dehumidified air decompressor 10 are centrifugal mechanical; Above-mentioned main system water air compressor 3, dehumidified air decompressor 10 are connected or are connected by 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 as follows:
When water generator of the present invention need be made water from air when, the main water air compressor 3 of making sucks master's system water air of certain humidity in the atmospheric environments also by behind its pressure of compression raising, high pressure admission mouth by film dehumidifying assembly 5 enters 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, dehumidified air after the main system of the reduction water air humidity is discharged by the high pressure gas outlet of film dehumidifying assembly 5, most of dehumidified air is lowered the temperature by the hot-side channel of dehumidified air forecooler 8 and dehumidified air cooler 9 successively, enter dehumidified air decompressor 10 air entries afterwards, after the small part dehumidified air is reduced pressure by the reducing valve constant enthalpy, enter low-pressure side as the low-pressure admission mouth of sweep gas by film dehumidifying assembly 5, to permeate next steam purging from the membranous wall surface by film, 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 by film dehumidifying assembly 5 low pressure gas outlets, successively by 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, 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 by dehumidified air decompressor 10 exhaust openings 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 and reduce from auxilliary system water air themperature in the atmospheric environment, thereby 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, the last cold side passage of importing dehumidified air cooler 9 once more as the compressed air cooling medium, so that the dehumidified air in dehumidified air cooler 9 hot-side channels is cooled off, hence one can see that, and low-temperature receiver of the present invention recycling 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 enter 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 enters 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, enter 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 by 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) the 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; Simultaneously the dehumidified air that 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 by 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 by water pump again.
2. according to the described 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 described 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 described process for preparing water that utilizes diffusion barrier enriched air By steam of claim 1, 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 state 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.
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, the sweep gas reducing valve, the dehumidified air forecooler, the dehumidified air decompressor, the sweep gas forecooler, main water-producing apparatus and water tank, described main system water air pretreatment unit comprises main system water air filter and the main system water air compressor that is linked in sequence, the air inlet port and the outside air of described main system water air filter are connected, the high pressure admission mouth of described film dehumidifying assembly is connected with the gas outlet of main system water air compressor, and the high pressure gas outlet of film dehumidifying assembly, the hot-side channel of dehumidified air forecooler, the cold side channel entrance of dehumidified air decompressor and main water-making machine then is linked in sequence successively, simultaneously, the gas outlet of sweep gas reducing valve, the low-pressure admission side of film dehumidifying assembly, the hot-side channel of sweep gas forecooler, the hot-side channel and the water tank of main water-making machine are linked in sequence successively, and the air inlet port of sweep gas 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 described water generator that utilizes diffusion barrier enriched air By steam of claim 5, it is characterized in that, described main system water air compressor is communicated with main water-producing apparatus hot-side channel, and on the connecting pipe between main system water air compressor and the main water-producing apparatus hot-side channel main water-producing apparatus defrost valve is installed, is connected with stop valve on the connecting pipe between the high pressure admission mouth of main simultaneously system water air compressor and film dehumidifying assembly.
7. according to claim 5 or the 6 described 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, described 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 described water generator that utilizes diffusion barrier enriched air By steam of claim 7, it is characterized in that, described auxilliary water-producing apparatus hot-side channel is communicated with main system water air compressor, and on the connecting pipe between auxilliary water-producing apparatus hot-side channel and the main system water air compressor auxilliary water-producing apparatus defrost valve is installed.
9. according to the described 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 described dehumidified air forecooler and the dehumidified air decompressor, the hot-side channel of described dehumidified air cooler is connected with the hot-side channel outlet and the air expander air inlet port 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 described water generator that utilizes diffusion barrier enriched air By steam of claim 5, it is characterized in that described sweep gas carrier pipe is connected with the high pressure gas outlet of film dehumidifying assembly.
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| CN2010101757538A CN101851946B (en) | 2010-05-18 | 2010-05-18 | Water generating method by utilizing separating membrane to enrich air water vapor and device thereof |
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| CN2010101757538A CN101851946B (en) | 2010-05-18 | 2010-05-18 | Water generating method by utilizing separating membrane to enrich air water vapor and device thereof |
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| CN101851946B CN101851946B (en) | 2012-06-06 |
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| CN2010101757538A Expired - Fee Related CN101851946B (en) | 2010-05-18 | 2010-05-18 | Water generating method by utilizing separating membrane to enrich air water vapor and device thereof |
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| CN102505732A (en) * | 2011-10-28 | 2012-06-20 | 中国人民解放军第四军医大学 | Membrane process water extraction device from air |
| CN103134121A (en) * | 2013-02-19 | 2013-06-05 | 东南大学 | Membrane method dehumidification device and method based on vapor compression and solution absorption |
| CN103443552A (en) * | 2011-03-16 | 2013-12-11 | 开利公司 | Air conditioning system with distilled water production from air |
| CN103499144A (en) * | 2013-10-16 | 2014-01-08 | 无锡艾科瑞思产品设计与研究有限公司 | Water heater |
| CN103574790A (en) * | 2013-10-17 | 2014-02-12 | 陕西科技大学 | Dehumidification air cooling apparatus and cooling method |
| CN105042917A (en) * | 2015-09-09 | 2015-11-11 | 夏文庆 | Pressurized air water generator 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 |
| CN109855196A (en) * | 2019-03-26 | 2019-06-07 | 湖南大学 | A kind of dry air cooling and dehumidifying film and the dehumidification device being made from it |
| CN112627287A (en) * | 2020-12-15 | 2021-04-09 | 中国人民解放军空军军医大学 | Device and method for directly preparing liquid water from air |
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| 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 |
| CN109855196A (en) * | 2019-03-26 | 2019-06-07 | 湖南大学 | A kind of dry air cooling and dehumidifying film and the dehumidification device being made from it |
| CN112627287A (en) * | 2020-12-15 | 2021-04-09 | 中国人民解放军空军军医大学 | Device and method for directly preparing liquid water from air |
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