CN105180466A - Fresh water generation device suitable for high and cold area - Google Patents
Fresh water generation device suitable for high and cold area Download PDFInfo
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- CN105180466A CN105180466A CN201510627393.3A CN201510627393A CN105180466A CN 105180466 A CN105180466 A CN 105180466A CN 201510627393 A CN201510627393 A CN 201510627393A CN 105180466 A CN105180466 A CN 105180466A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides a fresh water generation device suitable for a high and cold area. The fresh water generation device suitable for the high and cold area is composed of a solar heat collection system, a fresh water generation system, an auxiliary power system and a controller. The solar heat collection system converts solar energy into heat energy and transmits the heat energy to working media. The fresh water generation system heats ice through the heat energy in the working media and generates low-temperature fresh water, and a shunt heat exchange space is established through a channel heat exchanger of a special shunt structure. The auxiliary power system collects wind energy and converts the wind energy into electric energy, the electric energy is stored in a storage battery, and heating and conveying of the low-temperature fresh water are achieved by reasonably distributing the electric energy under the action of the controller. Compared with an existing fresh water generation technology, the fresh water generation device suitable for the high and cold area does not need external energy input, fully utilizes solar energy, wind energy and other renewable energy and establishes a stable cycle workflow; meanwhile, limitation of the use environment is considered to all components, and fresh water can be generated in an energy-saving and efficient mode.
Description
Technical field
The present invention relates to a kind of device for generating fresh water, what be specifically related to is a kind of for extremely frigid zones poor working conditions, the fresh water production generating apparatus utilizing regenerative resource to drive.
Background technology
The severe weather conditions such as extremely frigid zones generally has hypobaric hypoxia, cold drying, sunshine is long, radiation is strong, seriously limit mankind's activity.But extremely frigid zones has abundant ecological environment, mineral resources, all there is high Development volue.The natural conditions of above-mentioned sternness cause the mankind to be difficult to live at extremely frigid zones, especially for extremely frigid zones scientific investigation work, scientific investigation team member not only needs to carry daily necessities, also will carry various scientific research apparatus, how obtaining fresh water at extremely frigid zones becomes the difficulty that extremely frigid zones scientific investigation must capture.In order to avoid rugged environment, many scientific investigation stations be based upon away from ice sheet without ice formation, so how to obtain fresh water and just become a great problem.Even if at the extremely frigid zones that ice and snow is abundant, it is also extremely inconvenient that people obtain fresh water.According to current fresh water generating mode, the investigation station be generally based upon on ice sheet all has one changes pond, and put into pond after ice is fetched, then in pond, electrified regulation abilityization water is ice, is used.At extremely frigid zones, electrical heating water intaking is adopted to cause the wasting of resources.
For this reason, the present invention proposes a kind of device for generating fresh water making full use of solar energy and wind energy.Solar energy is the main source of heat energy; Wind energy produces a small amount of electric energy, auxiliary whole system sound operation.Device for generating fresh water of the present invention only needs artificial interpolation to gather the ice of coming, and without the need to additionally consuming electric energy, greatly reduce water intaking cost, this device adopts clean energy resource simultaneously, can not produce pollution, protection local environment.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, provide a kind of renewable resource such as solar energy, wind energy utilizing extremely frigid zones abundant, and adopt the device for generating fresh water of the flow dividing structure channel heat exchanger strengthening heat convection, this device does not need outside energy to input, make full use of the regenerative resource such as solar energy, wind energy, build stable periodic duty flow process, simultaneously in the present invention, all parts all considers the restriction of environment for use, can energy-conservation, generate fresh water efficiently.
technical scheme
For solving the above-mentioned technical problem that extremely frigid zones fresh water generates, the technical solution used in the present invention is:
A kind of device for generating fresh water being applicable to extremely frigid zones, it is characterized in that: this device is by solar thermal collection system, fresh water generation system, auxiliary power system and controller composition, described solar thermal collection system comprises plane mirror, solar thermal collector, flow dividing structure channel heat exchanger Working fluid flow region and auxiliary pump, described flow dividing structure channel heat exchanger Working fluid flow region is by hollow impeller, main penetrating via and heat-conducting fins composition, described main penetrating via is communicated with described solar thermal collector by described auxiliary pump, described plane mirror sunlight reflection heats described solar thermal collector, described solar thermal collector heats the working medium in described flow dividing structure channel heat exchanger Working fluid flow region by the mode absorbing solar energy, the ice that the heating of described flow dividing structure channel heat exchanger Working fluid flow region gathers makes it to melt, described fresh water generation system comprises flow dividing structure channel heat exchanger fresh water formation zone, suction pump and electric heater, described flow dividing structure channel heat exchanger fresh water formation zone is made up of heat-insulating cover, the cavity and the substrate that is filled with water storing ice cube, the low temperature fresh water of the described substrate collection that is filled with water is extracted out by described suction pump, and delivers to described electric heater, formed described for holding the cavity of ice cube between described heat-conducting fins, described auxiliary power system is made up of wind-driven generator, battery, voltage-stablizer and inverter, and described wind-driven generator gathers the wind energy near described device, by described voltage-stablizer stable output voltage, to described charge in batteries, described battery stores wind-powered electricity generation energy, and direct current energy is inputted described inverter, and direct current energy is transformed into alternating current by described inverter, for described suction pump, electric heater, auxiliary pump provide electric energy, described controller, changes described auxiliary power system according to described device for generating fresh water duty and powers to described suction pump, electric heater and auxiliary pump, described controller, according to described device for generating fresh water workflow, is divided into three working stages, be followed successively by the shutdown stage, startup stage, working stage, described device for generating fresh water shuts down the stage, and described controller cuts off main circuit, stops power supply, the startup stage of described device for generating fresh water, main circuit connected by described controller, powers to described auxiliary pump, the Natural Circulation in solar thermal collection system described in assistant starting, to described hollow impeller energising, hollow impeller rotated simultaneously, described device for generating fresh water working stage, described controller stops powering to described auxiliary pump, powers simultaneously, complete heating and the conveying of low temperature fresh water to described suction pump, electric heater.
Described wind-driven generator adopts vanelets, multi-wind wheel combination drive electrical generators.
The space flowed into for working medium be communicated with described main penetrating via is provided with in described heat-conducting fins.
The described substrate center that is filled with water is provided with circular groove, and at described circular groove center of circle radial displacement two/Radius, place has osculum; Described circular groove is set up the rotating shaft of hollow impeller; Be full of working medium in described hollow impeller inside, cavity area that is outside at described hollow impeller and lagging casing formation deposits the ice of collection; Heat-insulating cover is provided with in the over top of described hollow impeller; Described heat-insulating cover is made up of two pieces of semi-circular heat-insulating covers; Described semi-circular heat-insulating cover outer radius R1, inside radius R2, lagging casing radius r 1, hollow impeller shaft radius r2, wherein R1-r1 >=2mm, R2-r2 >=2mm; Described hollow impeller rotating shaft top connects solar thermal collector hot water outlet, connects solar thermal collector cooling water outlet bottom rotating shaft.
A kind of device for generating fresh water being applicable to extremely frigid zones of the present invention, this device is made up of solar thermal collection system, fresh water generation system, auxiliary power system and controller.Solar energy is changed into heat energy and passes to working medium by solar thermal collection system; Fresh water generation system utilizes the energy heats ice of working medium, generates low temperature fresh water, builds shunting heat transfer space; Auxiliary power system acquisition wind energy is also converted into electric energy, and by electrical power storage in battery, under the effect of controller, reasonable distribution electric energy realizes heating and the conveying of low temperature fresh water.
Solar thermal collection system is made up of parts such as plane mirror, solar thermal collector, flow dividing structure channel heat exchanger Working fluid flow region, auxiliary pumps.Flow dividing structure channel heat exchanger Working fluid flow region is made up of hollow impeller, main penetrating via and heat-conducting fins.Institute's plane mirror sunlight reflection heats described solar thermal collector; Solar thermal collector heats the working medium in flow dividing structure channel heat exchanger Working fluid flow region by the mode absorbing solar energy; The ice that the heating of flow dividing structure channel heat exchanger Working fluid flow region gathers makes it to melt.The solar energy that device is collected by solar thermal collection system is converted into heat energy, realizes the heating to working medium in flow dividing structure channel heat exchanger simultaneously.
Solar thermal collection system adopts assisting natural circulation anti-freezing method, prevent this system expose working medium in pipeline due to temperature too low and freeze.Assisting natural circulation anti-freezing method is done work by auxiliary pump, increases working medium kinetic energy, is transported in the solar thermal collector being in a system high position by the working medium being in system low level in flow dividing structure channel heat exchanger Working fluid flow region; Then utilize nature drip, make the working medium be in the solar thermal collector of a system high position be back to the flow dividing structure channel heat exchanger Working fluid flow region being in system low level through system pipeline; Above-mentioned liquid transport and natural drip move in circles, and the working medium in the pipeline in the solar thermal collection system making needs antifreeze is in flow regime all the time, and the working medium in guarantee pipeline can not be condensed and be caused frozen block.
Fresh water generation system is made up of flow dividing structure channel heat exchanger fresh water formation zone, suction pump, electric heater etc.Flow dividing structure channel heat exchanger fresh water formation zone by storing heat-insulating cover, the cavity of ice cube, the substrate that is filled with water forms, in order to store gather ice cube, carry out heat exchange with the working medium in Working fluid flow region; The low temperature fresh water of the substrate collection that is filled with water is extracted out by suction pump, and delivers to electric heater; Electric heater heating low temperature fresh water, is sent to living area.Fresh water generation system adopts dividing technology, uses rib structure to build flow dividing structure heat transfer space, increases heat exchange area, very big augmentation of heat transfer.
Auxiliary power system is made up of wind-driven generator, battery, voltage-stablizer, inverter etc.Wind energy near wind-driven generator harvester, by voltage-stablizer stable output voltage, charges a battery; Described battery stores wind-powered electricity generation energy, and direct current energy is inputted described inverter, and direct current energy is transformed into alternating current by described inverter, for described suction pump, electric heater, auxiliary pump etc. provide electric energy.Because extremely frigid zones generally has cold, weather characteristics that wind is large, wind power generation blade design will reduce power transmission shaft weight and meet basic generated energy demand, and described wind-driven generator adopts vanelets, multi-wind wheel combination drive electrical generators; Described battery needs the protection of antifreeze cotton, antifreeze casing.Wind energy transformation near device is electric energy by this system, sets up accessory power supply to protect simultaneously, ensures the normal operation of auxiliary power system, makes whole device, produce fresh water quick, renewablely.
Controller changes auxiliary power system to the power supply of the equipment such as suction pump, electric heater, auxiliary pump according to described device for generating fresh water duty.Controller, according to described device for generating fresh water workflow, is divided into three working stages, be followed successively by the shutdown stage, startup stage, working stage.Device for generating fresh water shuts down the stage, and controller cuts off main circuit, stops power supply; The startup stage of device for generating fresh water, main circuit connected by controller, powers to auxiliary pump, Natural Circulation in assistant starting solar thermal collection system, prevents pipeline frozen block, powers to the rotating shaft of flow dividing structure channel heat exchanger simultaneously, drive hollow impeller rotates, clean fresh water formation zone; Device for generating fresh water working stage, controller stops powering to described auxiliary pump, powers simultaneously, complete heating and the conveying of low temperature fresh water to institute's suction pump, electric heater.
Flow dividing structure channel heat exchanger is made up of Working fluid flow region and two, fresh water formation zone part.Wherein, Working fluid flow region hollow impeller comprises the area of space such as main penetrating via, heat-conducting fins inside, is communicated with, belongs to solar thermal collection system with solar thermal collector; Fresh water formation zone comprises cavity outside heat-insulating cover, heat-conducting fins, be filled with water the area of space such as substrate, is communicated with suction pump, belongs to fresh water generation system.
Flow dividing structure channel heat exchanger is made up of lagging casing, hollow impeller, insulating lid, the substrate etc. that is filled with water.Bottom lagging casing, the substrate that is filled with water is installed; Being filled with water, substrate center is provided with circular groove, and at circular groove center of circle radial displacement two/Radius, place has osculum; Circular groove is set up the rotating shaft of hollow impeller; Be full of working medium in hollow impeller inside, cavity area that is outside at hollow impeller and lagging casing formation deposits the ice of collection; Heat-insulating cover is provided with in the over top of hollow impeller; Heat-insulating cover is made up of two pieces of semi-circular heat-insulating covers; Semi-circular heat-insulating cover outer radius R1, inside radius R2, lagging casing radius r 1, hollow impeller shaft radius r2, wherein R1-r1 >=2mm, R2-r2 >=2mm; Hollow impeller rotating shaft top connects solar thermal collector hot water outlet, connects solar thermal collector cooling water outlet bottom rotating shaft.
A kind of technical scheme being applicable to the device for generating fresh water of extremely frigid zones that the present invention relates to is combining closely of clean energy technologies and dividing technology.On the one hand, solar energy and wind energy are extremely frigid zones than the clean energy resource being easier to obtain, and solar thermal collector absorbs solar energy heating working medium, and wind energy transformation is become electric energy by wind-driven generator, whole system does not need other energy to input, and completes the work originally needing a large amount of power consumption; On the other hand, flow dividing structure channel heat exchanger hollow core impeller have employed dividing technology, working medium is diverted to conduction vanes inside, and heat convection area is significantly increased.In addition, the rotation of hollow impeller utilizes centrifugal force working medium to be shunted, and stirs the ice in cavity simultaneously, makes the contact of working medium and ice more even, very big enhanced heat exchange.
The present invention adopts assisting natural circulation anti-freezing method to prevent solar thermal collection system pipe freezeup, and this requires in heat transfer process, and working medium can not mix with ice.Heating working medium and ice are separated by above-mentioned flow dividing structure channel heat exchanger, and the water density simultaneously utilizing ice-out to generate is larger than ice, and the characteristic that after melting, water can move downward collects low temperature fresh water.The Working fluid flow region be made up of the main penetrating via in hollow impeller and heat-conducting fins inside is not admixed mutually with by the outer cavity area formed with lagging casing of heat-conducting fins, and flow dividing structure considerably increases the heat transfer area of working medium simultaneously, improves heat exchange efficiency.In addition, consider that cavity inside ice is difficult to contact the factor of fin, flow dividing structure channel heat exchanger Working fluid flow region of the present invention has spinfunction, namely the Working fluid flow region hollow impeller be made up of main penetrating via and heat-conducting fins inside for axle rotates, ensures that cavity inside ice can contact fin and absorb heat with main penetrating via.Electric energy needed for described rotation is provided by auxiliary power system.
beneficial effect:
A kind of device for generating fresh water for extremely frigid zones that the present invention relates to, this device makes full use of solar energy and the wind energy of extremely frigid zones, build stable periodic duty flow process, adopt the flow dividing structure channel heat exchanger being conducive to heat exchange simultaneously, both increase the heat exchange area between working medium and ice, facilitate again supplementing of ice.Described device for generating fresh water can not only save huge manpower and materials, also improves the energy utilization rate of solar energy and wind energy.
Accompanying drawing explanation
Fig. 1 operation principle schematic diagram of the present invention;
Fig. 2 flow dividing structure channel heat exchanger of the present invention schematic internal view; Wherein 2a is stereogram, and 2b is top view, and 2c is front view;
Fig. 3 flow dividing structure channel heat exchanger of the present invention structural representation;
Fig. 4 flow dividing structure channel heat exchanger of the present invention heat-insulating cover schematic diagram;
Fig. 5 is that flow dividing structure channel heat exchanger of the present invention is filled with water substrate schematic diagram;
Fig. 6 flow dividing structure channel heat exchanger of the present invention is along in the sectional view figure of heat-conducting fins direction:
I. solar thermal collection system;
II. fresh water generation system;
III. auxiliary power system;
1. flow dividing structure channel heat exchanger; 2. heat-insulating cover; 3. plane mirror; 4. solar thermal collector; 5. accessory power supply, comprises battery, voltage-stablizer, inverter; 6. wind-driven generator; 7. electric heater; 8. suction pump; 9. auxiliary pump; 10. controller; 11. main penetrating vias; 12. heat-conducting fins; 13. cavitys; 14. are filled with water substrate; 15. hollow impellers; 16. lagging casings; 17, circular groove; 18, osculum.
Detailed description of the invention
Further describe in detail below in conjunction with accompanying drawing:
Fig. 1 gives principle schematic of the present invention, and a kind of device for generating fresh water for extremely frigid zones is made up of solar thermal collection system, fresh water generation system, auxiliary power system and controller.Concrete structure comprises: flow dividing structure channel heat exchanger 1, heat-insulating cover 2, plane mirror 3, solar thermal collector 4, accessory power supply 5, wind-driven generator 6, electrical heaters 7, suction pump 8, auxiliary pump 9 and controller 10.
When device for generating fresh water starts, controller 10 starts auxiliary pump 9, and the working medium in auxiliary separating flow structure channel heat exchanger 1 and solar thermal collector 4 carries out Natural Circulation.Open heat-insulating cover 2, can add in the cavity 13 of flow dividing structure channel heat exchanger 1 and gather the ice of returning.Plane mirror 3 sunlight reflection, by solar energy converging to solar thermal collector 4 heating working medium.Working medium obtains heat energy at solar thermal collector 4, flows through the hollow impeller 15 in flow dividing structure channel heat exchanger 1, and in the space between main penetrating via 11, heat-conducting fins 12 and cavity 13, ice carries out heat exchange.Ice in cavity 13 is fresh water through heating and melting, flows under the influence of gravity into the substrate 14 that is filled with water.The low temperature fresh water be filled with water in substrate 14 is extracted out by the suction pump 8 that controller 10 drives, and electrical heaters 6 heats low temperature fresh water and sends into domestic water district.
Solar thermal collection system is made up of parts such as plane mirror 3, solar thermal collector 4, flow dividing structure channel heat exchanger 1 Working fluid flow region and auxiliary pumps 9.Flow dividing structure channel heat exchanger 1 Working fluid flow region is made up of hollow impeller 15, main penetrating via 11 and heat-conducting fins 12.Plane mirror 3 sunlight reflection heating solar heat-collector 4; Solar thermal collector 4 heats the working medium in flow dividing structure channel heat exchanger 1 Working fluid flow region by the mode absorbing solar energy; Flow dividing structure channel heat exchanger 1 Working fluid flow region hollow impeller 15 heats the ice gathered to be made it to melt.
Fresh water generation system is made up of flow dividing structure channel heat exchanger 1 fresh water formation zone, electric heater 7, suction pump 8 etc.Flow dividing structure channel heat exchanger 1 fresh water formation zone is made up of heat-insulating cover 2, the cavity 13 and the substrate 14 that is filled with water storing ice cube, in order to store gather ice cube, carry out heat exchange with the working medium in Working fluid flow region; The low temperature fresh water that the substrate 14 that is filled with water is collected by suction pump 8 is extracted out, and delivers to electric heater 7; Electric heater 7 heats low temperature fresh water, is sent to living area.
Auxiliary power system is made up of wind-driven generator 6, accessory power supply 5 etc.Wind energy near wind-driven generator 6 harvester, by voltage-stablizer stable output voltage, charges a battery; Battery stores wind-powered electricity generation energy, and direct current energy is inputted inverter, and direct current energy is transformed into alternating current by inverter, for suction pump, electric heater, auxiliary pump etc. provide electric energy.In FIG, accessory power supply 5 comprises battery, voltage-stablizer and inverter.
Fig. 2 gives flow dividing structure channel heat exchanger schematic internal view of the present invention, designating the position of main penetrating via 11, heat-conducting fins 12, cavity 13 and the substrate 14 that is filled with water, wherein heat-conducting fins 12 inside in figure has between interstice coverage, for the inflow of working medium, and together form the Working fluid flow region of flow dividing structure heat exchanger with main penetrating via.The working medium heated through solar thermal collector 4 flows into from main penetrating via 11, then enters in the space of heat-conducting fins 12, conducts heat with the ice in cavity 13 through fin surface.The hollow impeller 15 of flow dividing structure channel heat exchanger 1 that main penetrating via 11 and heat-conducting fins 12 are formed simultaneously can rotate for axle with main penetrating via 11, plays the effect of trash ice, allows the ice of cavity 13 inside fully can contact with the working medium in heat-conducting fins 12.
Fig. 3 gives flow dividing structure channel heat exchanger structural representation of the present invention, designates the locations of structures signal of heat-insulating cover 2, hollow impeller 15, be filled with water substrate 14 and lagging casing 16 in figure.Flow dividing structure channel heat exchanger is made up of lagging casing 16, hollow impeller 15, insulating lid 2, the substrate 14 etc. that is filled with water.Bottom lagging casing 16, the substrate 14 that is filled with water is installed; Being filled with water, substrate 14 center is provided with circular groove 17, radially has osculum 18 in displacement two/Radius place in circular groove 17; Circular groove 17 is set up the rotating shaft of hollow impeller 15; Be full of working media in hollow impeller 15 inside, cavity area that is outside at hollow impeller 15 and lagging casing 16 formation deposits the ice of collection; Heat-insulating cover 2 is provided with in the over top of hollow impeller 15; Heat-insulating cover 2 is made up of two pieces of semi-circular heat-insulating covers; Semi-circular heat-insulating cover outer radius R1, inside radius R2, lagging casing radius r 1, hollow impeller shaft radius r2, wherein R1-r1 >=2mm, R2-r2 >=2mm; Hollow impeller rotating shaft top connects solar thermal collector hot water outlet, connects solar thermal collector cooling water outlet bottom rotating shaft.
Fig. 4, Fig. 5 give flow dividing structure channel heat exchanger heat-insulating cover of the present invention, be filled with water substrate schematic diagram.Wherein, Fig. 4 (a) has indicated the position of the substrate 14 that is filled with water, circular groove 17 and osculum 18, and substrate 14 center that is filled with water is provided with circular groove 17, radially has osculum 18 in displacement two/Radius place in circular groove 17; Fig. 4 (b) shows the schematic diagram of heat-insulating cover 2, and heat-insulating cover 2 is made up of two pieces of semi-circular heat-insulating covers, outer radius R1, inside radius R2, lagging casing radius r 1, hollow impeller shaft radius r2, wherein R1-r1 >=2mm, R2-r2 >=2mm.
Fig. 6 indicates flow dividing structure channel heat exchanger of the present invention along heat-conducting fins direction sectional view.Working fluid flow region and fresh water formation zone separate by flow dividing structure channel heat exchanger.Designating main penetrating via 11, heat-conducting fins 12, cavity 13, the substrate 14 that is filled with water, circular groove 17 and the position of osculum 18, wherein heat-conducting fins 12 inside in figure has between interstice coverage, for the inflow of working medium, and together form the Working fluid flow region of described flow dividing structure heat exchanger with main penetrating via 11.The ice that the fresh water that cavity 12 is formed generates in district carries out heat exchange by heat-conducting fins 12 and working medium, and the water of generation is drawn out of from osculum 18.
Claims (4)
1. one kind is applicable to the device for generating fresh water of extremely frigid zones, it is characterized in that: this device is by solar thermal collection system, fresh water generation system, auxiliary power system and controller composition, described solar thermal collection system comprises plane mirror, solar thermal collector, flow dividing structure channel heat exchanger Working fluid flow region and auxiliary pump, described flow dividing structure channel heat exchanger Working fluid flow region is by hollow impeller, main penetrating via and heat-conducting fins composition, described main penetrating via is communicated with described solar thermal collector by described auxiliary pump, described plane mirror sunlight reflection heats described solar thermal collector, described solar thermal collector heats the working medium in described flow dividing structure channel heat exchanger Working fluid flow region by the mode absorbing solar energy, the ice that the heating of described flow dividing structure channel heat exchanger Working fluid flow region gathers makes it to melt, described fresh water generation system comprises flow dividing structure channel heat exchanger fresh water formation zone, suction pump and electric heater, described flow dividing structure channel heat exchanger fresh water formation zone is made up of heat-insulating cover, the cavity and the substrate that is filled with water storing ice cube, the low temperature fresh water of the described substrate collection that is filled with water is extracted out by described suction pump, and delivers to described electric heater, formed described for holding the cavity of ice cube between described heat-conducting fins, described auxiliary power system is made up of wind-driven generator, battery, voltage-stablizer and inverter, and described wind-driven generator gathers the wind energy near described device, by described voltage-stablizer stable output voltage, to described charge in batteries, described battery stores wind-powered electricity generation energy, and direct current energy is inputted described inverter, and direct current energy is transformed into alternating current by described inverter, for described suction pump, electric heater, auxiliary pump provide electric energy, described controller, changes described auxiliary power system according to described device for generating fresh water duty and powers to described suction pump, electric heater and auxiliary pump, described controller, according to described device for generating fresh water workflow, is divided into three working stages, be followed successively by the shutdown stage, startup stage, working stage, described device for generating fresh water shuts down the stage, and described controller cuts off main circuit, stops power supply, the startup stage of described device for generating fresh water, main circuit connected by described controller, powers to described auxiliary pump, the Natural Circulation in solar thermal collection system described in assistant starting, to described hollow impeller energising, hollow impeller rotated simultaneously, described device for generating fresh water working stage, described controller stops powering to described auxiliary pump, powers simultaneously, complete heating and the conveying of low temperature fresh water to described suction pump, electric heater.
2. device for generating fresh water according to claim 1, is characterized in that: described wind-driven generator adopts vanelets, multi-wind wheel combination drive electrical generators.
3. device for generating fresh water according to claim 1, is characterized in that: in described heat-conducting fins, be provided with the space flowed into for working medium be communicated with described main penetrating via.
4. device for generating fresh water according to claim 1, is characterized in that: the described substrate center that is filled with water is provided with circular groove, and at described circular groove center of circle radial displacement two/Radius, place has osculum; Described circular groove is set up the rotating shaft of hollow impeller; Be full of working medium in described hollow impeller inside, cavity area that is outside at described hollow impeller and lagging casing formation deposits the ice of collection; Heat-insulating cover is provided with in the over top of described hollow impeller; Described heat-insulating cover is made up of two pieces of semi-circular heat-insulating covers; Described semi-circular heat-insulating cover outer radius R1, inside radius R2, lagging casing radius r 1, hollow impeller shaft radius r2, wherein R1-r1 >=2mm, R2-r2 >=2mm; Described hollow impeller rotating shaft top connects solar thermal collector hot water outlet, connects solar thermal collector cooling water outlet bottom rotating shaft.
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