CN203683161U - Solar seawater evaporator - Google Patents
Solar seawater evaporator Download PDFInfo
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- CN203683161U CN203683161U CN201320711397.6U CN201320711397U CN203683161U CN 203683161 U CN203683161 U CN 203683161U CN 201320711397 U CN201320711397 U CN 201320711397U CN 203683161 U CN203683161 U CN 203683161U
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- solar
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- seawater
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
The utility model relates to a solar seawater evaporator. The solar seawater evaporator comprises a seawater pretreatment unit (1), a seawater tank (3), a lifting pump (5) and a heat-exchange water tank (8) which are sequentially connected, wherein a spiral heat exchange pipe (9) is arranged in the heat-exchange water tank (8); a plain water collecting outlet is formed in the lower end of the spiral heat exchange pipe (9); an outlet in the lower side of the heat-exchange water tank (8) is connected to a water inlet in one end of a solar heat-pipe-type heat collector (14); a water outlet in the other end of the solar heat-pipe-type heat collector (14) is connected to a solar distiller (21); condensation pipelines at two sides of the solar distiller (21) are connected to a connector at the upper part of the spiral heat exchange pipe (9) through an air pump (20); the plain water collecting outlet and a strong brine collecting outlet are formed in the tail part of the solar distiller (21). According to the solar seawater evaporator, the water production rate of solar seawater desalination is increased exponentially by adopting a solar seawater desalination core technology.
Description
Technical field
The utility model relates to energy-efficient sea water desalinating plant, particularly relates to a kind of solar energy sea water vaporizer.
Background technology
At present world's sea water desalinating plant capacity increase is rapid, and just with 10%～30% speed increment, and increasing degree is still increasing gradually.The whole world has more than 130 country carrying out sea water desaltination, and the dilution capacity Middle East Gulf states that concentrate on over half, account for Middle East fresh water sources 70%.The desalination process route of domestic and international project is mainly two kinds of Re Fa and embrane methods.But all there is pre-treatment complexity in these two kinds of methods, home-made equipment is low, energy consumption is large, the higher problem of processing costs.Sea water desaltination water comprehensive cost per ton is 8 yuans of left and right.Use on a large scale more difficult to life, production user.In view of environmental stress is large and face the exhausted problem of fossil energy, utilize new forms of energy to carry out sea water desaltination very urgent, wherein nuclear desalination and solar seawater desalination most study.In addition, different sea water desaltination common process being carried out to combination, the strong brine after desalination is used, is also an important trend of following sea water desaltination development.The mode of utilizing sun power to carry out sea water desaltination has two kinds: the one, and utilize sun power to produce heat-driven seawater and undergo phase transition process; The 2nd, utilize sun power to obtain electric energy and drive dialysis process.The research of solar seawater desalination at present and application are taking distillation method as main, and traditional solar still yield per unit is too low, and (under fine weather, the product fresh water amount of every square metre of daylighting area is in 3.5-4.0kg left and right.) be its major cause that is difficult to obtain large-scale promotion.There are three major defects in existing solar still, the latent heat of condensation of first steam is not re-used, but is lost in atmosphere and has been gone by cover plate; It two is heat exchange patterns of natural convection in traditional solar still, has greatly limited the raising of distiller thermal characteristics; It three is that seawater thermal capacity to be evaporated in traditional solar still is too large, has limited the raising of operating temperature, thereby has weakened the motivating force of evaporation.
In order to improve the producing water ratio of solar seawater desalination distiller, scholar both domestic and external has designed very eurypalynous solar still.Modern solar seawater desalination adopts active mostly, and as multiple-effect back-heating type solar energy sea water desalination apparatus, producing water ratio is high, but also consumes many electric energy; Some foreign scholars propose to utilize the humidification of air to dehumidify to realize solar seawater desalination, and this method does not need high temperature and low pressure, and device is simple; In addition, the scholar's that the recovery of steam heat also causes concern, as circulating cooling water pipe strengthening condensation is installed in solar still surrounding, condensation latent heat is utilized, and carry out respectively performance test taking fresh water, seawater and trade effluent as sample, find the maximum about 1.4Lm-2d-1 of water yield per day, water quality and rainwater and mineral water are suitable, have greatly improved the efficiency of solar still; Use in addition the low temperature multiple-effect distillation device of compound parabolic solar energy collector, research internal dynamic process solar energy field hold over system model and the distiller water production rate model of having set up low complex degree, emulated data is consistent with experimental result etc.Domestic existing scholar develops a kind of novel enclosed solar energy sea water desalination apparatus, this device adopts double-tower type structure, owing to having reclaimed high temperature concentrated seawater and refrigerated sea water, and can move incessantly round the clock, carry out performance simulation experiment monthly average water production rate in area, Xi'an and can reach 4.6kg/ ㎡ d; Also have in conjunction with solar energy air heat collector and solar heat pipe, utilize air humidification to dehumidify to realize the method for sea water desaltination, with the vaporizer experiment of hair dryer analog solar air collector, the producing water ratio that calculates system is 12.4%; Adopt DRY SCROLL VACUUM PUMP to realize seawater negative pressure evaporation, the circulate latent heat of condensation of abundant recycle-water steam of heat pump heat supply, combined evaporative condenser is used for reducing seawater thermal capacitance, novel solar collector with hot and cold water tank is to improve the heat-collecting temperature of seawater, and the vaporization temperature that has obtained optimizing is Te=57 DEG C.As can be seen here, energy-efficient solar seawater desalination system occurs at environmental protection industry (epi).
Meanwhile, solar energy power generating, as the important component part of renewable energy utilization, has obtained the support energetically of numerous national government.Since 20 century 70s, the U.S., Germany, Japanese Deng Guo government put into effect relevant policies successively, strengthen the development dynamics of solar energy power generating industry, make world's photovoltaic generation industry high speed development.2007, China's Mainland solar cell yield reached 1088MW, accounted for 27.2% of whole world solar cell yield, and from output, China has become the first producing country of solar cell.
Summary of the invention
Problem and limitation that the utility model exists in order to overcome prior art, provide a kind of solar energy sea water vaporizer.This equipment gathers calorific value efficiency, recovered steam heat, the reduction seawater thermal capacity of sun power from improving, integrate active, multistage core pattern, light-focusing type distiller advantage, when reducing power loss, improve producing water ratio, set up energy-efficient solar energy sea water vaporizer.
The technical solution of the utility model is: a kind of solar energy sea water vaporizer, comprise successively connected sea water preprocessing unit, sea water tank, lift pump and heat-exchanging water tank, and in heat-exchanging water tank, be provided with spiral heat exchange tube, the lower end of spiral heat exchange tube is provided with fresh water collecting outlet; The lower side outlet of heat-exchanging water tank is connected to one end water inlet of solar heat tubular type heat collector, the other end water outlet of solar heat tubular type heat collector is connected to solar still, and the condenser pipe of solar still both sides is connected to the upper end interface of spiral heat exchange tube by air pump; Solar still afterbody is provided with fresh water collecting outlet, strong brine is collected outlet.
Described equipment, solar still comprises the casing with seawater groove, this casing downside is provided with successively bottom surface double glazing, the blue film heat absorption of magnetic control splash aluminium sheet, black wool felt and unidirectional polytetrafluoroethylene film from skin to internal layer.
Described equipment, the casing upside of solar still is provided with cover plate double glazing.
Described equipment, the casing afterbody inner side of solar still is connected to fresh water collecting outlet by hot well respectively, is connected to strong brine collects outlet by strong brine receiving tank.
Described equipment, the outside of described solar still is also furnished with reflective mirror.
Described equipment, the power input of lift pump and air pump is connected with solar panel independently by switch box.
Described equipment, between sea water tank and lift pump, be connected to the first thermometer, between lift pump and heat-exchanging water tank, be connected to first flow meter, the side of heat-exchanging water tank is with tank gage, the lower side outlet of heat-exchanging water tank is connected to solar heat tubular type heat collector by the second thermometer, the second valve, the second under meter successively, solar heat tubular type heat collector is connected to solar still by the 4th thermometer, the 3rd valve, the fresh water collecting outlet of spiral heat exchange tube is connected to the 3rd thermometer, is also connected to steam-flow meter and the 5th thermometer between air pump and spiral heat exchange tube.
The utility model has the advantages that: the utility model adopts solar seawater desalination core technology, significantly improve the producing water ratio of solar seawater desalination; Because the water sucting mode of fabric has reduced the thermal capacity of seawater in evaporative process, cover plate printing opacity and base plate optically focused increase and have improved extinction efficiency, extract on one's own initiative steam out and further improved sea water desaltination efficiency, make full use of the pre-hot sea water of vapor condensation latent heat, the secondary preheating of steam and hot pipe type solar heat collector is further protected and has been guaranteed the temperature that evaporation of seawater is required, improves exponentially the producing water ratio of sea water desaltination when reducing power loss.The utility model utilizes independently solar energy power generating unit for lift pump and air pump provide power resources, makes efficient solar energy sea water vaporizer become clean environment firendly, has also reduced running cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the vertical view of solar still in Fig. 1 (21).
Fig. 3 is the front view of solar still in Fig. 1 (21).
In figure: 1. sea water preprocessing unit; 2. the first valve; 3. sea water tank; 4. the first thermometer; 5. lift pump; 6. first flow meter; 7. tank gage; 8. heat-exchanging water tank; 9. spiral heat exchange tube; 10. the 3rd thermometer; 11. second thermometers; 12. second valves; 13. second under meters; 14. solar heat tubular type heat collectors; 15. the 4th thermometers; 16. the 3rd valves; 17. reflective mirrors; 18. the 5th thermometers; 19. steam-flow meters; 20. air pumps; 21. solar stills; 22. the 4th valves; 23. the 5th valves; 24. solar panels; 25. switch boxs; 26. distiller seawater grooves; 27. distiller bottom surface double glazings; The blue film heat absorption of 28. magnetic control splashes aluminium sheet; 29. black wool felts; 30. unidirectional polytetrafluoroethylene films; 31. strong brine grooves; 32. cover plate condensate drainings; 33. cover plate double glazings.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but do not limit the utility model.
A kind of solar energy sea water vaporizer that the utility model provides, comprises sea water preprocessing unit, sea water tank, lift pump, heat-exchanging water tank, spiral heat exchange tube, condensation water collection place, solar heat tubular type heat collector, solar still, air pump, fresh water collecting place, strong brine collection place, reflective mirror, solar panel, switch box, tank gage, thermometer, under meter, steam-flow meter.Seawater pipeline connects upper and lower ends, thermometer, valve, under meter, solar heat tubular type heat collector, thermometer, the valve of sea water preprocessing unit, valve, sea water tank, thermometer, lift pump, under meter, heat-exchanging water tank, the seawater groove of solar still successively.Steam-pipe is connected to the both sides of solar still in turn and presses close to cover plate place, air pump, steam-flow meter, thermometer, spiral heat exchange tube upper end.Vapor condensation pipeline exit jointing temp meter, exit is used for collecting steam condensate.Solar still afterbody is respectively equipped with the pipeline with valve, for collecting strong brine and cover plate place water of condensation.Solar still bottom is provided with reflective mirror, and reflective mirror is the square planar mirror of 2m × 1m size, and the putting position of reflective mirror and angle of inclination thereof can regulate according to angle at sunshine.The power supply input aperture of lift pump, air pump is connected with solar panel by switch box, forms thus solar powered part.
Described solar energy sea water vaporizer, adopts taking micro-filtration unit as main body, in conjunction with coagulation, precipitation, sand filtration process, raw material seawater is carried out to pre-treatment.
Described solar energy sea water vaporizer, comprises bottom surface double glazing, the blue film heat absorption of magnetic control splash aluminium sheet, black wool felt, unidirectional polytetrafluoroethylene film and cover plate double glazing.Solar still is the square box with square seawater groove of 1m × 1.5m × 0.15m, be up and down 3mm+4mm+3mm hollow double-layer transparent glass plate, 30 DEG C of angles of vaporizer south dip, the seawater groove of 1m × 0.1m × 0.1m is located at top, the black wool felt of 1m × 1.2m, thick 5mm is as porous heat absorption evaporation fabric, one end is immersed in seawater groove, and the other end extends to bottom always.Fabric bottom is followed successively by length and width and is respectively the blue film heat absorption aluminium sheet that 1m × 1.2m, 0.4mm are thick, 3mm+4mm+3mm hollow pair glass base plate, the top of fabric is unidirectional polytetrafluoroethylene film, under the wicking action of fabric, seawater is drawn to inclined-plane, heat up by glass cover-plate printing opacity and glass film plates optically focused, because the unidirectional perviousness of unidirectional polytetrafluoroethylene film further promotes the intensification of moisture in fabric.The side of vaporizer is provided with the steam exhausting hole of φ 40mm near glass cover-plate place, steam-pipe is by being connected with end entrance on air pump, steam-flow meter, thermometer, spiral heat exchange tube successively.
Described solar energy sea water vaporizer, the bleeding point of air pump is connected with solar still both sides, extracts in time seawater out and is subject to thermogenetic steam.The steam of extracting out is transported to spiral heat exchange tube, the seawater being used for outside preheating screw heat transfer tube, and the heat of steam is thus by air pump recovery initiatively.
Described solar energy sea water vaporizer, bottom surface double glazing is provided with reflective mirror outward, sunlight is reflexed to the blue face of the heat absorption aluminium sheet of bottom, thereby aluminium sheet is heated up, thus by the heating of seawater in distiller.Double-layer cover plate is by printing opacity, makes the seawater intensification of being heated from cover plate face.
Described solar energy sea water vaporizer, seawater is through pre-treatment, be stored in sea water tank, be evacuated to heat-exchanging water tank through lift pump, in heat-exchanging water tank, through a preheating, in solar heat tubular type heat collector, through secondary preheating, in solar still, heat through three times, evaporation of seawater, fresh water vapor condensation becomes fresh water product.
Described solar energy sea water vaporizer, solar panel, by being connected with the power supply input aperture of air pump, lift pump respectively with the switch box of controller and isolating switch, provides power with this.
Below in conjunction with accompanying drawing, the utility model will be further described.
The solar energy sea water resource utilization that the utility model provides and symbiosis industrial equipment thereof, its structure as depicted in figs. 1 and 2: comprise sea water preprocessing unit 1; The first valve 2; Sea water tank 3; The first thermometer 4; Lift pump 5; First flow meter 6; Tank gage 7; Heat-exchanging water tank 8; Spiral heat exchange tube 9; The 3rd thermometer 10; The second thermometer 11; The second valve 12; The second under meter 13; Solar heat tubular type heat collector 14; The 4th thermometer 15; The 3rd valve 16; Reflective mirror 17; The 5th thermometer 18; Steam-flow meter 19; Air pump 20; Solar still 21; The 4th valve 22; The 5th valve 23; Solar panel 24; Switch box 25; Distiller seawater groove 26; Distiller bottom surface double glazing 27; The blue film heat absorption of magnetic control splash aluminium sheet 28; Black wool felt 29; Unidirectional polytetrafluoroethylene film 30; Strong brine groove 31; Cover plate condensate draining 32; Cover plate double glazing 33.Seawater pipeline connects upper and lower ends, the second thermometer 11, the second valve 12, the second under meter 13, solar heat tubular type heat collector 14, the 4th thermometer 15, the 3rd valve 16, the solar still seawater groove 26 of sea water preprocessing unit 1, the first valve 2, sea water tank 3, the first thermometer 4, lift pump 5, first flow meter 6, heat-exchanging water tank 8 successively.Steam-pipe is connected to the both sides of solar still 21 in turn and presses close to cover plate place, air pump 20, steam-flow meter 19, the 5th thermometer 18 and spiral heat exchange tube 9 upper ends.Vapor condensation pipeline connects the 3rd thermometer 10, and opening part is used for collecting steam condensate.Solar still 21 afterbodys are respectively equipped with the pipeline with valve, for collecting strong brine and cover plate place water of condensation.The power supply input aperture of lift pump 5, air pump 20 is connected with solar panel 24 by switch box 25.
The solar energy sea water vaporizer that the utility model provides, its working process is: taking micro-filtration unit as main body, in conjunction with coagulation, precipitation, sand filtration, raw material seawater is carried out to pre-treatment.Being raised pump 5 through pretreated raw material seawater is evacuated in heat-exchanging water tank 8, after the steam preheating initiatively reclaiming through air pump 20, be transported to again solar heat tubular type heat collector 14 interior by secondary preheating, be transported to subsequently in the seawater groove 26 of solar still 21, black wool felt 29 one end are immersed in tank, one end is laid on heat absorption aluminium sheet 28, extends to distiller 21 bottoms.Seawater in tank is because wetting ability and the wicking action of felt are drawn to inclined-plane, sun power transfers its energy to very thin sea water layer in water suction felt by double glazing cover plate 33, sunlight is reflexed to distiller bottom surface collecting plate 28 by reflective mirror 17 simultaneously, the tissue layer heating up backboard face carrying seawater of being heated collecting plate heats, distiller cover plate and base plate heat sea water layer simultaneously, the sea water layer absorbing in black wool felt extremely evaporation of heating direct gradually.Due to the dual function of black wool felt and its unidirectional polytetrafluoroethylene film in upper strata, add that the air-extraction function of air pump 20 makes to form faint negative pressure in distiller, make the temperature required reduction of evaporation of seawater, vaporator rate is improved to some extent.The residual strong brine of evaporation of seawater is in distiller afterbody water pipe collecting.Steam in spiral heat exchange tube 9 transfers heat to seawater, and cooling is condensed into freshwater product, and in distiller, double glazing cover plate place water of condensation is also collected as freshwater product through afterbody pipeline.So not only take full advantage of the waste heat of steam, greatly strengthened the calorific value acquisition capacity of vaporizer for sun power, and obviously reduced the thermal capacity of seawater, so strengthened the desalination speed of seawater, improved a day fresh water yield.In whole pipeline, be provided with respectively thermometer, seawater flow meter, steam-flow meter and be used for recording correlation parameter, tank gage is used for observing the seawater volume in heat-exchanging water tank.
In the utility model solar energy sea water vaporizer operational process, solar panel 24 provides the direct power source of air pump 20, lift pump 5 by the switch box 25 with controller and isolating switch, effectively save equipment investment cost, when improving solar energy sea water vaporizer water production rate, played the effect of clean environment firendly.
Claims (7)
1. a solar energy sea water vaporizer, it is characterized in that: comprise successively connected sea water preprocessing unit (1), sea water tank (3), lift pump (5) and heat-exchanging water tank (8), in heat-exchanging water tank (8), be provided with spiral heat exchange tube (9), the lower end of spiral heat exchange tube (9) is provided with fresh water collecting outlet; The lower side outlet of heat-exchanging water tank (8) is connected to one end water inlet of solar heat tubular type heat collector (14), the other end water outlet of solar heat tubular type heat collector (14) is connected to solar still (21), and the condenser pipe of solar still (21) both sides is connected to the upper end interface of spiral heat exchange tube (9) by air pump (20); Solar still (21) afterbody is provided with fresh water collecting outlet, strong brine is collected outlet.
2. vaporizer according to claim 1, it is characterized in that: solar still (21) comprises the casing of band seawater groove (26), this casing downside is provided with successively bottom surface double glazing (27), the blue film heat absorption aluminium sheet of magnetic control splash (28), black wool felt (29) and unidirectional polytetrafluoroethylene film (30) from skin to internal layer.
3. vaporizer according to claim 2, is characterized in that: the casing upside of solar still (21) is provided with cover plate double glazing (33).
4. vaporizer according to claim 2, is characterized in that: the casing afterbody inner side of solar still (21) is connected to fresh water collecting outlet by hot well (32) respectively, is connected to strong brine collects outlet by strong brine receiving tank (31).
5. vaporizer according to claim 2, is characterized in that: the outside of described solar still (21) is also furnished with reflective mirror (17).
6. vaporizer according to claim 1, is characterized in that: the power input of lift pump (5) and air pump (20) is connected with solar panel (24) independently by switch box (25).
7. according to the vaporizer described in any one in claim 1～6, it is characterized in that: between sea water tank (3) and lift pump (5), be connected to the first thermometer (4), between lift pump (5) and heat-exchanging water tank (8), be connected to first flow meter (6), the side of heat-exchanging water tank (8) is with tank gage (7), the lower side outlet of heat-exchanging water tank (8) is successively by the second thermometer (11), the second valve (12), the second under meter (13) is connected to solar heat tubular type heat collector (14), solar heat tubular type heat collector (14) is by the 4th thermometer (15), the 3rd valve (16) is connected to solar still (21), the fresh water collecting outlet of spiral heat exchange tube (9) is connected to the 3rd thermometer (10), between air pump (20) and spiral heat exchange tube (9), be also connected to steam-flow meter (19) and the 5th thermometer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711397.6U CN203683161U (en) | 2013-11-11 | 2013-11-11 | Solar seawater evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711397.6U CN203683161U (en) | 2013-11-11 | 2013-11-11 | Solar seawater evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203683161U true CN203683161U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320711397.6U Withdrawn - After Issue CN203683161U (en) | 2013-11-11 | 2013-11-11 | Solar seawater evaporator |
Country Status (1)
| Country | Link |
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| CN (1) | CN203683161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626247A (en) * | 2013-11-11 | 2014-03-12 | 武汉纺织大学 | Solar sea water evaporator |
| CN105174340A (en) * | 2015-09-29 | 2015-12-23 | 北京无极合一新能源科技有限公司 | Solar kettle steaming type sea water desalting device |
-
2013
- 2013-11-11 CN CN201320711397.6U patent/CN203683161U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626247A (en) * | 2013-11-11 | 2014-03-12 | 武汉纺织大学 | Solar sea water evaporator |
| CN105174340A (en) * | 2015-09-29 | 2015-12-23 | 北京无极合一新能源科技有限公司 | Solar kettle steaming type sea water desalting device |
| CN105174340B (en) * | 2015-09-29 | 2017-11-03 | 广东合一新材料研究院有限公司 | A kind of solar energy kettle steams formula sea water desalinating unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20151216 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |