CN102677739A - Device capable of obtaining water from air - Google Patents
Device capable of obtaining water from air Download PDFInfo
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- CN102677739A CN102677739A CN2012101490742A CN201210149074A CN102677739A CN 102677739 A CN102677739 A CN 102677739A CN 2012101490742 A CN2012101490742 A CN 2012101490742A CN 201210149074 A CN201210149074 A CN 201210149074A CN 102677739 A CN102677739 A CN 102677739A
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Abstract
The invention discloses a device capable of obtaining water from the air. The device comprises a solar air heat collector, a solar photovoltaic power generation unit, a compression refrigeration unit and a reel dehumidification unit, wherein the solar air heat collector is used as a heat resource for the reel dehumidification unit; the solar photovoltaic power generation unit provides a required power supply to the reel dehumidification unit and the compression refrigeration unit; the compression refrigeration unit is used for compressing and refrigerating; and the reel dehumidification unit is used for eliminating moisture. The device capable of obtaining water from the air utilizes the solar energy as the energy for obtaining water from the air, so that fossil fuel does not need to be carried in the process of obtaining the water from the air, and the energy consumption for obtaining the water from the air is reduced. Meanwhile, compared with a refrigeration and moisture condensation method, the device can normally obtain water when the air humidity is relatively low, water can be continuously fetched, and the water fetching efficiency is improved.
Description
Technical field
The present invention relates to the air water-intaking field, relate in particular to the device of from air, fetching water that a kind of solar energy optical-thermal photovoltaic drives the desiccant wheel continous way.
Background technology
Because climate warming, a lot of rivers, lake are exhausted, and groundwater table decreasing is added environment pollution and people's irrational utilization, and the land freshwater resources have faced serious crisis.In some arids area such as desert, Gobi desert etc. short of rain, the shortage of fresh water is especially true, lives at this and perhaps carries out the supply that movable people need fresh water to this.And except aqueous water, water also is present in the air with gaseous state, and therefore, air water-intaking becomes a hot issue of current research.
Solar energy more and more receives people's attention as a kind of reproducible clean energy resource.Short of rain and the mountain area of arid lacks the water source, open-air insert electrical network or carry fuel have difficulties, and these local solar energy are generally relatively more sufficient, utilize solar energy can reduce cost undoubtedly as one of energy of air water-intaking.
Retrieval through to prior art finds that present air water-intaking equipment mostly adopts refrigeration dewfall principle and adsorbent moisture absorption principle.One Chinese patent application ZL200420005198.4, one Chinese patent application ZL200420003025.9, one Chinese patent application numbers 200710047159.9 and the one Chinese patent application above-mentioned refrigeration dewfall principle that number has been 02137108.3 patent utilization discloses the application of solar photovoltaic technology.But the efficiency of producing drinking water that utilizes refrigeration dewfall principle to fetch water is low, and in air water capacity small region such as deserts, this type of intake equipment is with regard to cisco unity malfunction.
Further retrieval is found; One Chinese patent application number number is to have write down in the patent application document of ZL200620025211.1 to utilize solar energy to carry out the device of air water-intaking for ZL200620040713.1 and one Chinese patent application; But its cycle period is long; Generally be diel, can not fetch water continuously that efficiency of producing drinking water is low.
With the approaching one Chinese patent application of the present invention number be that 200820025835.2 patent has adopted runner air moisture absorption technology and condensation technology to carry out air water-intaking, under the less weather conditions of air water capacity, can normally from natural air, fetch water.But the circulation loop in this system is not accomplished optimization, and utilizes electric heater for rotary wheel regeneration heat to be provided, and needs to consume more energy, and electric power also needs the outside to provide.One Chinese patent application number is 200820025836.7 patent in one Chinese patent application number is on the basis of 200820025835.2 patents air water fetching device and diesel-driven generator etc. to be combined to become a shelter; Realized the self-sufficiency of electric power; But still need carry fuel; And energy efficiency is not high, is unfavorable for producing in a large number fresh water.
Can know that through above retrieval prior art exists and can not fetch water continuously, efficient is low or need carry a large amount of fuel, and the heat energy utilization rate is low, and is economical inadequately and need problems such as generator, system complex, poor reliability.
Summary of the invention
Because the above-mentioned defective of prior art; Technical problem to be solved by this invention provides a kind of energy consumption that can improve efficiency of producing drinking water, reduce water intaking; When air humidity is low, also can normally fetch water and can continuity fetch water, the solar energy optical-thermal photovoltaic that need not carry fossil fuel drives the device of from air, fetching water of desiccant wheel continous way.
For realizing above-mentioned purpose; The invention provides a kind of device of from air, fetching water; Comprise solar energy air heat collector, solar energy power generating unit, compression refrigeration unit and rotary wheel dehumidifying unit, wherein, said solar energy air heat collector is connected in said rotary wheel dehumidifying unit; Said rotary wheel dehumidifying unit is connected in said compression refrigeration unit; Said compression refrigeration unit also is connected in said solar energy power generating unit, and said solar energy air heat collector is as the thermal source of rotary wheel dehumidifying unit, and said solar energy power generating unit provides said rotary wheel dehumidifying unit and said compression refrigeration unit required power supply; Said compression refrigeration unit is used for compression refrigeration, and said rotary wheel dehumidifying unit is used for dehumidifying.
Further, said solar energy air heat collector is plate type solar air collector or electron tubes type solar energy air heat collector.
Further; Said solar energy power generating unit comprises solar panel, solar-electricity source controller and battery and inverter; So that the output of direct current or alternating current to be provided; Solar panel is connected with solar-electricity source controller input terminal, and two lead-out terminals of solar-electricity source controller are connected with inverter with battery respectively again.
Further; Said compression refrigeration unit comprises: compressor, evaporimeter, condensing apparatus, choke valve and water collector; The refrigerant inlet of said condensing apparatus and refrigerant outlet are connected to the outlet of said compressor and the import of said choke valve; The import of said evaporimeter is connected to the outlet of choke valve and the import of compressor with outlet, said water collector place said evaporimeter under, said power of compressor end links to each other with said solar energy power generating unit.
Further, said compressor can be direct current compressor or AC compressor.
Further; Wherein said rotary wheel dehumidifying unit comprises: desiccant wheel, the first airflow filtering device, the second airflow filtering device, first heat exchanger, second heat exchanger, runner drive motors, bindiny mechanism, the first air-flow air-introduced machine and the second air-flow air-introduced machine; Wherein: first air intake of the outlet of the said first airflow filtering device and said first heat exchanger is connected to the air intlet and the air outlet slit of the said condensing apparatus of said compression refrigeration unit; First air outlet of said first heat exchanger is connected with the import of said solar energy air heat collector; The two ends of said desiccant wheel renewing zone are connected to the outlet of said solar energy air heat collector and second air intake of said first heat exchanger; Second air outlet of said first heat exchanger is connected with second air intake of said second heat exchanger; Second air outlet of said second heat exchanger is connected with the air intlet of the said evaporimeter of said compression refrigeration unit; Said second heat exchanger, first air intake is connected with the air outlet slit of evaporimeter; The two ends in said desiccant wheel moisture absorption district are connected with the said second airflow filtering device with the said second air-flow air-introduced machine respectively; Said desiccant wheel is connected with said runner drive motors through said bindiny mechanism, and the power end of said second air-flow air-introduced machine and said runner drive motors is connected with said solar energy power generating unit respectively.
Further, described first heat exchanger and second heat exchanger are the cross-flow heat exchanger of air and air heat exchange.
Further, described desiccant wheel is the porous runner that paper or pottery are processed, and the direction in hole is axial.
Further, be provided with the solid dehumidifying agent in the described desiccant wheel, the component of said solid dehumidifying agent is silica gel, lithium chloride, molecular sieve and compound dehumidizer.
Further, the material of said solar panel is monocrystalline silicon or polysilicon or amorphous silicon membrane.
Further, said battery is a lead-acid accumulator.
Beneficial effect of the present invention is: this air water fetching device is through utilizing the energy of solar energy as air water-intaking; Make the air water-intaking process need not carry fossil fuel; Reduced the energy consumption of air water-intaking, be compared to refrigeration dewfall method simultaneously, when air humidity is low relatively, also can normally fetch water; And can continuity fetch water, improved the efficient of water intaking.
Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is the structural representation of air water fetching device of the present invention.
The specific embodiment
Specify embodiments of the invention below in conjunction with accompanying drawing.
As shown in Figure 1; A kind of device of from air, fetching water comprises solar energy air heat collector 1, solar energy power generating unit 2, compression refrigeration unit 3 and rotary wheel dehumidifying unit 4, wherein; Said solar energy air heat collector 1 is connected in said rotary wheel dehumidifying unit 4; Said rotary wheel dehumidifying unit 4 is connected in said compression refrigeration unit 3, and said compression refrigeration unit 3 also is connected in said solar energy power generating unit 2, and said solar energy air heat collector 1 is as the thermal source of rotary wheel dehumidifying unit 4; Said solar energy power generating unit 2 provides said rotary wheel dehumidifying unit 4 and said compression refrigeration unit 3 required power supply through electrical connection; Said compression refrigeration unit 3 is used for compression refrigeration, and said rotary wheel dehumidifying unit 4 is used for dehumidifying, and said compression refrigeration unit 3 and rotary wheel dehumidifying unit 4 are connected through airduct.In the present embodiment, solar energy air heat collector 1 is plate type solar air collector or electron tubes type solar energy air heat collector.Solar energy power generating unit 2 comprises solar panel 5, solar-electricity source controller 6 and battery 7 and inverter 8; So that the output of direct current or alternating current to be provided; Solar panel is connected with solar-electricity source controller input terminal, and two lead-out terminals of solar-electricity source controller are connected with inverter with battery respectively again.Compression refrigeration unit 3 comprises: compressor 9, evaporimeter 10, condensing apparatus 11, choke valve 12 and water collector 13, said compressor 9, evaporimeter 10, condensing apparatus 11 and choke valve 12 are in turn connected to form refrigerating circuit 101.Wherein, The refrigerant inlet of said condensing apparatus 11 and refrigerant outlet are connected to the outlet of said compressor 9 and the import of said choke valve 12; The refrigerant inlet of said evaporimeter 10 and refrigerant outlet are connected to the outlet of choke valve 12 and the import of compressor 9; Said water collector 13 place said evaporimeter 10 under, the power end of said compressor 9 links to each other with said solar energy power generating unit 2 through circuit 104.Compressor 9 can be direct current compressor or AC compressor.Rotary wheel dehumidifying unit 4 comprises: desiccant wheel 14, the first airflow filtering device 151, the second airflow filtering device 152, first heat exchanger 16, second heat exchanger 17, runner drive motors 18, bindiny mechanism 19, the first air-flow air-introduced machine 201 and the second air-flow air-introduced machine 202; Wherein: first air intake of said first airflow filtering device 151 and said first heat exchanger 16 is connected to the air intlet and the air outlet slit of the said condensing apparatus 11 of said compression refrigeration unit 3; First air outlet of said first heat exchanger 16 is connected with the import of said solar energy air heat collector 1; The two ends of said desiccant wheel 14 renewing zones are connected to the outlet of said solar energy air heat collector 1 and second air intake of said first heat exchanger 16; Second air outlet of said first heat exchanger 16 is connected with second air intake of said second heat exchanger 17; Second air outlet of said second heat exchanger 17 is connected with the air intlet of the said evaporimeter 10 of said compression refrigeration unit 3; First air intake of said second heat exchanger 17 is connected with the air outlet slit of evaporimeter 10; The two ends in said desiccant wheel 14 moisture absorption districts are connected with the said second airflow filtering device 152 with the said second air-flow air-introduced machine 202 respectively; Said desiccant wheel 14 is connected with said runner drive motors 18 through said bindiny mechanism 19, and the power end of the said first air-flow air-introduced machine 201, the second air-flow air-introduced machine 202 and said runner drive motors 18 is connected with said solar energy power generating unit 2 through circuit 104 respectively.Described first heat exchanger 16 and second heat exchanger 17 are the cross-flow heat exchanger of air and air heat exchange.Described desiccant wheel 14 is paper or the ceramic porous runner of processing, and the direction in hole is axial.Be provided with the solid dehumidifying agent in the described desiccant wheel 14, the component of said solid dehumidifying agent is silica gel, lithium chloride, molecular sieve and compound dehumidizer.The material of said solar panel 5 is monocrystalline silicon or polysilicon or amorphous silicon membrane.Said battery 7 is a lead-acid accumulator.
The operating principle of water fetching device from air of present embodiment is following: the moisture absorption flow of process air gets into the moisture absorption treatment region of desiccant wheel 14 through after the second airflow filtering device 152, and the water vapour in the moisture absorption flow of process air is adsorbed in the hygroscopic agent.Regeneration water intaking air-flow gets into condensing apparatus 11 after then filtering through the first airflow filtering device 151, utilizes condensation heat to carry out preheating; Get into first air intake of first heat exchanger 16 afterwards, carry out preheating, again through solar energy air heat collector 1; It is higher 40 ° more than the C than environment temperature that the temperature of regeneration water intaking air is elevated to; Pass through desiccant wheel 14 then, contact, increase the moisture in the regeneration water intaking air-flow with moisture hygroscopic agent in the desiccant wheel 14; Make regeneration water intaking air water capacity increase, form hot and humid air stream.After this hot and humid air is wandered about as a refugee and is discharged wet runner 14 from; Regeneration water intaking air-flow through first heat exchanger 16 and after utilizing the condensation heat preheating carries out interchange of heat earlier; Cool off; Get into second heat exchanger 17 afterwards and cool off with the air heat exchange of coming out from evaporimeter 10, make the temperature of regeneration water intaking air drop near dewpoint temperature, the water intaking air of regenerating then is admitted to evaporimeter 10 and is cooled to below the dewpoint temperature; Separate out the airborne moisture of regeneration water intaking, water collector 13 is used to collect the water of separating out.The very low air of temperature after the water intaking is sent to second heat exchanger 17 again, carries out precooling in order to the air to not water intaking, to recycle this part cold.Wherein, moisture absorption flow of process air and regeneration water intaking air-flow connect through airduct between each parts of process.Solar energy power generating unit 2 utilizes solar panel 5 to convert solar energy into electric energy; Battery 7 can store electrical energy; Solar-electricity source controller 6 can be controlled the charging of battery 7 and discharge with protection battery 7, and inverter 8 can convert the direct current that solar panel 5 produces into alternating current.Inverter 8 whether place in circuit 104 is looked the form of power of compression refrigerating apparatus, blower fan and desiccant wheel motor and is decided, if dc source does not then insert, if AC power then inserts.
In the present embodiment; After regeneration air exchanges water capacity through desiccant wheel 14 and surrounding air; The water capacity that its water capacity is higher than surrounding air is a lot of doubly, and making in air water capacities such as desert very circlet border also can operate as normal, and efficiency of producing drinking water is greatly improved.Simultaneously, utilize the thermal source of solar energy air heat collector, reduced system consumption as rotary wheel regeneration.And, do not need other TRT and access electrical network owing to adopt the power supply of solar-energy photo-voltaic cell as compression refrigerating apparatus, blower fan and desiccant wheel motor, make the whole system energy consumption reduce.Do not need to carry again fuel yet, be fit to field work.Simultaneously, owing to adopted first heat exchanger and second heat exchanger to reclaim part heat and cold effectively, make system more efficient.Runner rotates the system of having guaranteed is always having the solar time to fetch water continuously.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can design according to the present invention make many modifications and variation.Therefore, the technician in all present technique field all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (11)
1. device of from air, fetching water; Comprise solar energy air heat collector, solar energy power generating unit, compression refrigeration unit and rotary wheel dehumidifying unit, wherein, said solar energy air heat collector is connected in said rotary wheel dehumidifying unit; Said rotary wheel dehumidifying unit is connected in said compression refrigeration unit; Said compression refrigeration unit also is connected in said solar energy power generating unit, and said solar energy air heat collector is as the thermal source of rotary wheel dehumidifying unit, and said solar energy power generating unit provides said rotary wheel dehumidifying unit and said compression refrigeration unit required power supply; Said compression refrigeration unit is used for compression refrigeration, and said rotary wheel dehumidifying unit is used for dehumidifying.
2. device of from air, fetching water as claimed in claim 1, wherein said solar energy air heat collector are plate type solar air collector or electron tubes type solar energy air heat collector.
3. device of from air, fetching water as claimed in claim 2; Wherein said solar energy power generating unit comprises solar panel, solar-electricity source controller, battery and inverter; So that the output of direct current or alternating current to be provided; Solar panel is connected with solar-electricity source controller input terminal, and two lead-out terminals of solar-electricity source controller are connected with inverter with battery respectively again.
4. device of from air, fetching water as claimed in claim 3; Wherein said compression refrigeration unit comprises: compressor, evaporimeter, condensing apparatus, choke valve and water collector; The refrigerant inlet of said condensing apparatus and refrigerant outlet are connected to the outlet of said compressor and the import of said choke valve; The refrigerant inlet of said evaporimeter and refrigerant outlet are connected to the outlet of choke valve and the import of compressor; Said water collector place said evaporimeter under, said power of compressor end links to each other with said solar energy power generating unit.
5. device of from air, fetching water as claimed in claim 4, said compressor can be direct current compressor or AC compressor.
6. device of from air, fetching water as claimed in claim 5; Wherein said rotary wheel dehumidifying unit comprises: desiccant wheel, the first airflow filtering device, the second airflow filtering device, first heat exchanger, second heat exchanger, runner drive motors, bindiny mechanism, the first air-flow air-introduced machine and the second air-flow air-introduced machine; Wherein: first air intake of the outlet of the said first airflow filtering device and said first heat exchanger is connected to the air intlet and the air outlet slit of the said condensing apparatus of said compression refrigeration unit; First air outlet of said first heat exchanger is connected with the import of said solar energy air heat collector; The two ends of said desiccant wheel renewing zone are connected to the outlet of said solar energy air heat collector and second air intake of said first heat exchanger; Second air outlet of said first heat exchanger is connected with second air intake of said second heat exchanger; Second air outlet of said second heat exchanger is connected with the air intlet of the said evaporimeter of said compression refrigeration unit; Said second heat exchanger, first air intake is connected with the air outlet slit of evaporimeter; The two ends in said desiccant wheel moisture absorption district are connected with the said second airflow filtering device with the said second air-flow air-introduced machine respectively; Said desiccant wheel is connected with said runner drive motors through said bindiny mechanism, and the power end of said second air-flow air-introduced machine and said runner drive motors is connected with said solar energy power generating unit respectively.
7. device of from air, fetching water as claimed in claim 6, wherein said first heat exchanger and second heat exchanger are the cross-flow heat exchanger of air and air heat exchange.
8. device of from air, fetching water as claimed in claim 7, wherein said desiccant wheel are the porous runner that paper or pottery are processed, and the direction in hole is axial.
9. device of from air, fetching water as claimed in claim 8 wherein, is provided with the solid dehumidifying agent in the described desiccant wheel, the component of said solid dehumidifying agent is silica gel, lithium chloride, molecular sieve and compound dehumidizer.
10. device of from air, fetching water as claimed in claim 9, wherein, the material of said solar panel is monocrystalline silicon or polysilicon or amorphous silicon membrane.
11. device of from air, fetching water as claimed in claim 10, wherein, said battery is a lead-acid accumulator.
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| CN104563209A (en) * | 2014-12-24 | 2015-04-29 | 中国人民解放军理工大学 | Air-to-water machine |
| CN104563210A (en) * | 2014-12-24 | 2015-04-29 | 中国人民解放军理工大学 | Energy-saving device for extracting water from air |
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