CN102677739B - Device capable of obtaining water from air - Google Patents
Device capable of obtaining water from air Download PDFInfo
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- CN102677739B CN102677739B CN201210149074.2A CN201210149074A CN102677739B CN 102677739 B CN102677739 B CN 102677739B CN 201210149074 A CN201210149074 A CN 201210149074A CN 102677739 B CN102677739 B CN 102677739B
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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 air water-intaking field, relate in particular to a kind of device of fetching water of solar energy optical-thermal photovoltaic driving desiccant wheel continous way from air.
Background technology
Due to climate warming, a lot of rivers, lake exhaustion, groundwater table declines, and adds environment pollution and people's irrational utilization, and land freshwater resources have faced serious crisis.In the area of some droughts, as desert, Gobi desert etc., the shortage of fresh water is especially true, carries out the supply that movable people need fresh water in this inhabitation or to this.And except aqueous water, water is also present in air with gaseous state, therefore, air water-intaking becomes a hot issue of current research.
Solar energy, as the reproducible clean energy resource of one, is more and more subject to people's attention.Drought and shortage water source, mountain area, field access electrical network or carry fuel and have difficulties, and these local solar energy are generally more sufficient, utilizes solar energy can reduce costs undoubtedly as one of energy of air water-intaking.
Through the retrieval of prior art is found, current air water-intaking equipment mostly adopts refrigeration dewfall principle and adsorbent moisture absorption principle.The patent utilization that Chinese Patent Application No. ZL200420005198.4, Chinese Patent Application No. ZL200420003025.9, Chinese Patent Application No. 200710047159.9 and Chinese Patent Application No. are 02137108.3 above-mentioned refrigeration dewfall principle, the application of solar photovoltaic technology is disclosed.But the efficiency of producing drinking water that utilizes refrigeration dewfall principle to fetch water is low, and in the less region of the air humidity contents such as desert, this type of intake equipment is with regard to cisco unity malfunction.
Further retrieval is found, Chinese Patent Application No. is to have recorded and utilized solar energy to carry out the device of air water-intaking in ZL200620040713.1 and the Chinese Patent Application No. patent application document that is ZL200620025211.1, but its cycle period is long, it is generally diel, can not fetch water continuously, efficiency of producing drinking water is low.
The patent that is 200820025835.2 with the approaching Chinese Patent Application No. of the present invention has adopted runner air moisture absorption technology and condensation technology to carry out air water-intaking, under the less weather conditions of air humidity content, can normally from natural air, fetch water.But the circulation loop in this system is not accomplished optimization, and utilize electric heater for rotary wheel regeneration provides heat, need to consume more energy, electric power also needs outside to provide.Chinese Patent Application No. is that 200820025836.7 patent is on the basis of 200820025835.2 patents, air water fetching device and diesel-driven generator etc. to be combined and become a shelter in Chinese Patent Application No., realize the self-sufficiency of electric power, but still need carry fuel, and energy efficiency is not high, be unfavorable for a large amount of preparing freshs.
Known by above retrieval, prior art exists and can not fetch water continuously, and efficiency is lower or need to carry a large amount of fuel, and heat utilization rate is low, economical not and need the problems such as generator, system complex, poor reliability.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of energy consumption that can improve efficiency of producing drinking water, reduce water intaking, in the time that air humidity is low, also can normally fetch water and can continuity fetch water, do not need the device of fetching water of the solar energy optical-thermal photovoltaic driving desiccant wheel continous way of carrying fossil fuel from air.
For achieving the above object, the invention provides a kind of device of fetching water from air, comprise solar energy air heat collector, solar energy power generating unit, compression refrigeration unit and rotary wheel dehumidifying unit, wherein, described solar energy air heat collector is connected in described rotary wheel dehumidifying unit, described rotary wheel dehumidifying unit is connected in described compression refrigeration unit, described compression refrigeration unit is also connected in described solar energy power generating unit, described solar energy air heat collector is as the thermal source of rotary wheel dehumidifying unit, described solar energy power generating unit provides described rotary wheel dehumidifying unit and described compression refrigeration unit required power supply, described compression refrigeration unit is for compression refrigeration, described rotary wheel dehumidifying unit is for dehumidifying.
Further, described solar energy air heat collector is plate type solar air collector or electron tubes type solar energy air heat collector.
Further, described solar energy power generating unit comprises solar panel, solar-electricity source controller and battery and inverter, so that direct current or alternating current output 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, described compression refrigeration unit comprises: compressor, evaporimeter, condenser, choke valve and water collector, the refrigerant inlet of described condenser and refrigerant outlet are connected to the outlet of described compressor and the import of described choke valve, the import of described evaporimeter and outlet are connected to the outlet of choke valve and the import of compressor, described water collector be placed in described evaporimeter under, the power end of described compressor is connected with described solar energy power generating unit.
Further, described 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, the second heat exchanger, runner drive motors, bindiny mechanism, the first air-flow air-introduced machine and the second air-flow air-introduced machine, wherein: the first air intake of the outlet of described the first airflow filtering device and described First Heat Exchanger is connected to air intlet and the air outlet slit of the described condenser of described compression refrigeration unit, the first air outlet of described First Heat Exchanger is connected with the import of described solar energy air heat collector, the two ends of described desiccant wheel renewing zone are connected to the outlet of described solar energy air heat collector and the second air intake of described First Heat Exchanger, the second air outlet of described First Heat Exchanger is connected with the second air intake of described the second heat exchanger, the second air outlet of described the second heat exchanger is connected with the air intlet of the described evaporimeter of described compression refrigeration unit, described second heat exchanger the first air intake is connected with the air outlet slit of evaporimeter, the two ends in described desiccant wheel moisture absorption district are connected with described the second airflow filtering device with described the second air-flow air-introduced machine respectively, described desiccant wheel is connected with described runner drive motors by described bindiny mechanism, the power end of described the second air-flow air-introduced machine and described runner drive motors is connected with described solar energy power generating unit respectively.
Further, described First Heat Exchanger and the 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 made, and the direction in hole is axial.
Further, be provided with solid dehumidifying agent in described desiccant wheel, the component of described solid dehumidifying agent is silica gel, lithium chloride, molecular sieve and compound-dehumidifying agent.
Further, the material of described solar panel is monocrystalline silicon or polysilicon or amorphous silicon membrane.
Further, described battery is lead-acid accumulator.
Beneficial effect of the present invention is: this air water fetching device is by utilizing the energy of solar energy as air water-intaking, make air water-intaking process not need to carry fossil fuel, reduce the energy consumption of air water-intaking, be compared to refrigeration dewfall method simultaneously, in the time that air humidity is relatively low, also can normally fetch water, and can continuity fetch water, improved the efficiency of water intaking.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the structural representation of air water fetching device of the present invention.
Detailed description of the invention
Illustrate embodiments of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of device of fetching water from air, comprise solar energy air heat collector 1, solar energy power generating unit 2, compression refrigeration unit 3 and rotary wheel dehumidifying unit 4, wherein, described solar energy air heat collector 1 is connected in described rotary wheel dehumidifying unit 4, described rotary wheel dehumidifying unit 4 is connected in described compression refrigeration unit 3, described compression refrigeration unit 3 is also connected in described solar energy power generating unit 2, described solar energy air heat collector 1 is as the thermal source of rotary wheel dehumidifying unit 4, described solar energy power generating unit 2 provides described rotary wheel dehumidifying unit 4 and described compression refrigeration unit 3 required power supply by electrical connection, described compression refrigeration unit 3 is for compression refrigeration, described rotary wheel dehumidifying unit 4 is for dehumidifying, described compression refrigeration unit 3 is connected by airduct with rotary wheel dehumidifying unit 4.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 direct current or alternating current output 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, condenser 11, choke valve 12 and water collector 13, described compressor 9, evaporimeter 10, condenser 11 and choke valve 12 are in turn connected to form refrigerating circuit 101.Wherein, the refrigerant inlet of described condenser 11 and refrigerant outlet are connected to the outlet of described compressor 9 and the import of described choke valve 12, the refrigerant inlet of described evaporimeter 10 and refrigerant outlet are connected to the outlet of choke valve 12 and the import of compressor 9, described water collector 13 be placed in described evaporimeter 10 under, the power end of described compressor 9 is connected with described solar energy power generating unit 2 by 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, the 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: the first air intake of described the first airflow filtering device 151 and described First Heat Exchanger 16 is connected to air intlet and the air outlet slit of the described condenser 11 of described compression refrigeration unit 3, the first air outlet of described First Heat Exchanger 16 is connected with the import of described solar energy air heat collector 1, the two ends of described desiccant wheel 14 renewing zones are connected to the outlet of described solar energy air heat collector 1 and the second air intake of described First Heat Exchanger 16, the second air outlet of described First Heat Exchanger 16 is connected with the second air intake of described the second heat exchanger 17, the second air outlet of described the second heat exchanger 17 is connected with the air intlet of the described evaporimeter 10 of described compression refrigeration unit 3, the first air intake of described the second heat exchanger 17 is connected with the air outlet slit of evaporimeter 10, the two ends in described desiccant wheel 14 moisture absorption districts are connected with described the second airflow filtering device 152 with described the second air-flow air-introduced machine 202 respectively, described desiccant wheel 14 is connected with described runner drive motors 18 by described bindiny mechanism 19, described the first air-flow air-introduced machine 201, the power end of the second air-flow air-introduced machine 202 and described runner drive motors 18 is connected with described solar energy power generating unit 2 by circuit 104 respectively.Described First Heat Exchanger 16 and the 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 making, and the direction in hole is axial.In described desiccant wheel 14, be provided with solid dehumidifying agent, the component of described solid dehumidifying agent is silica gel, lithium chloride, molecular sieve and compound-dehumidifying agent.The material of described solar panel 5 is monocrystalline silicon or polysilicon or amorphous silicon membrane.Described battery 7 is lead-acid accumulator.
The operating principle of water fetching device from air of the present embodiment is as follows: moisture absorption flow of process air, by after the second airflow filtering device 152, enters the moisture absorption treatment region of desiccant wheel 14, and the water vapour in moisture absorption flow of process air is adsorbed in hygroscopic agent.After regeneration water intaking air-flow filters by the first airflow filtering device 151, enter condenser 11, utilize condensation heat to carry out preheating, enter afterwards the first air intake of First Heat Exchanger 16, carry out preheating, again by solar energy air heat collector 1, the temperature of regeneration water intaking air is elevated to higher 40 ° more than C than environment temperature, then pass through desiccant wheel 14, contact with the moisture hygroscopic agent in desiccant wheel 14, increase the moisture in regeneration water intaking air-flow, regeneration water intaking air humidity content is increased, form hot and humid air stream.This hot and humid air stream leaves after desiccant wheel 14, first carry out interchange of heat through First Heat Exchanger 16 with utilizing the regeneration water intaking air-flow after condensation heat preheating, carry out cooling, enter afterwards the second heat exchanger 17 and carry out cooling from evaporimeter 10 air heat exchange out, the temperature of regeneration water intaking air is dropped to and approach dewpoint temperature, then the water intaking air of regenerating is admitted to evaporimeter 10 and is cooled to below dewpoint temperature, separate out the airborne moisture of regeneration water intaking, water collector 13 is for collecting the water of separating out.The very low air of temperature after water intaking is sent to the second heat exchanger 17 again, in order to the air of not water intaking is carried out to precooling, to recycle this part cold.Wherein, moisture absorption flow of process air and regeneration water intaking air-flow connect by airduct between all parts of process.Solar energy power generating unit 2 utilizes solar panel 5 that solar energy is converted to electric energy; battery 7 can store electrical energy; solar-electricity source controller 6 can be controlled the charging and discharging of battery 7 with protection battery 7, and the direct current that inverter 8 can produce solar panel 5 is converted to alternating current.Inverter 8 whether place in circuit 104 depending on the form of power of compression refrigerating apparatus, blower fan and desiccant wheel motor, if dc source does not access, if AC power accesses.
In the present embodiment, regeneration air exchanges after water capacity by desiccant wheel 14 and surrounding air, its water capacity is doubly a lot of higher than the water capacity of surrounding air, makes also can normally to work in the air humidity contents such as desert very circlet border, and efficiency of producing drinking water is greatly improved.Meanwhile, utilize the thermal source of solar energy air heat collector as rotary wheel regeneration, reduced system consumption.And due to the power supply that adopts solar-energy photo-voltaic cell as compression refrigerating apparatus, blower fan and desiccant wheel motor, do not need other TRT and access electrical network, make whole system Energy Intensity Reduction.Do not need to carry again fuel, be applicable to field work yet.Meanwhile, owing to having adopted First Heat Exchanger and the second heat exchanger effectively to reclaim part heat and cold, make system more efficient.Runner rotates the system of having ensured 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 just can design according to the present invention make many modifications and variations without creative work.Therefore, all those skilled in the art, all should be in by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (8)
1. a device of fetching water from air, comprise solar energy air heat collector, solar energy power generating unit, compression refrigeration unit and rotary wheel dehumidifying unit, wherein, described solar energy air heat collector is connected in described rotary wheel dehumidifying unit, described rotary wheel dehumidifying unit is connected in described compression refrigeration unit, described compression refrigeration unit is also connected in described solar energy power generating unit, described solar energy air heat collector is as the thermal source of rotary wheel dehumidifying unit, described solar energy power generating unit provides described rotary wheel dehumidifying unit and described compression refrigeration unit required power supply, described compression refrigeration unit is for compression refrigeration, described rotary wheel dehumidifying unit is for dehumidifying, described compression refrigeration unit comprises: compressor, evaporimeter, condenser, choke valve and water collector, the refrigerant inlet of described condenser and refrigerant outlet are connected to the outlet of described compressor and the import of described choke valve, the refrigerant inlet of described evaporimeter and refrigerant outlet are connected to the outlet of choke valve and the import of compressor, described water collector be placed in described evaporimeter under, the power end of described compressor is connected with described solar energy power generating unit, described rotary wheel dehumidifying unit comprises: desiccant wheel, the first airflow filtering device, the second airflow filtering device, First Heat Exchanger, the second heat exchanger, runner drive motors, bindiny mechanism, the first air-flow air-introduced machine and the second air-flow air-introduced machine, wherein: the first air intake of the outlet of described the first airflow filtering device and described First Heat Exchanger is connected to air intlet and the air outlet slit of the described condenser of described compression refrigeration unit, the first air outlet of described First Heat Exchanger is connected with the import of described solar energy air heat collector, the two ends of described desiccant wheel renewing zone are connected to the outlet of described solar energy air heat collector and the second air intake of described First Heat Exchanger, the second air outlet of described First Heat Exchanger is connected with the second air intake of described the second heat exchanger, the second air outlet of described the second heat exchanger is connected with the air intlet of the described evaporimeter of described compression refrigeration unit, described second heat exchanger the first air intake is connected with the air outlet slit of evaporimeter, the two ends in described desiccant wheel moisture absorption district are connected with described the second airflow filtering device with described the second air-flow air-introduced machine respectively, the two ends of described the first air-flow air-introduced machine are connected with the first air intake of described First Heat Exchanger and the air outlet slit of described condenser respectively, described desiccant wheel is connected with described runner drive motors by described bindiny mechanism, described the first air-flow air-introduced machine, the power end of the second air-flow air-introduced machine and described runner drive motors is connected with described solar energy power generating unit respectively.
2. device of fetching water from air as claimed in claim 1, wherein said solar energy air heat collector is plate type solar air collector or electron tubes type solar energy air heat collector.
3. device of fetching water from air as claimed in claim 2, wherein said solar energy power generating unit comprises solar panel, solar-electricity source controller, battery and inverter, so that direct current or alternating current output 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 fetching water from air as claimed in claim 3, described compressor is direct current compressor or AC compressor.
5. device of fetching water from air as claimed in claim 4, wherein said First Heat Exchanger and the second heat exchanger are the cross-flow heat exchanger of air and air heat-exchange.
6. device of fetching water from air as claimed in claim 5, wherein said desiccant wheel is the porous runner that paper or pottery are made, the direction in hole is axial.
7. device of fetching water from air as claimed in claim 6, wherein, the material of described solar panel is monocrystalline silicon or polysilicon or amorphous silicon membrane.
8. device of fetching water from air as claimed in claim 7, wherein, described battery is lead-acid accumulator.
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| CN201210149074.2A CN102677739B (en) | 2012-05-14 | 2012-05-14 | Device capable of obtaining water from air |
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| CN201210149074.2A CN102677739B (en) | 2012-05-14 | 2012-05-14 | Device capable of obtaining water from air |
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| CN102677739B true CN102677739B (en) | 2014-07-09 |
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| CN103790209B (en) * | 2014-01-27 | 2015-04-15 | 王卫平 | Device for preparing drinking water from air |
| CN104481001A (en) * | 2014-12-19 | 2015-04-01 | 中国人民解放军理工大学 | Method and device for obtaining water from dry air, |
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