CN103693700B - A kind of sea water desalinating plant - Google Patents
A kind of sea water desalinating plant Download PDFInfo
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- CN103693700B CN103693700B CN201310723554.XA CN201310723554A CN103693700B CN 103693700 B CN103693700 B CN 103693700B CN 201310723554 A CN201310723554 A CN 201310723554A CN 103693700 B CN103693700 B CN 103693700B
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- flow deflector
- condensation flow
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- evaporation cavity
- storage box
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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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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention provides a kind of sea water desalinating plant, at least comprise water storage box, ultrasonic atomizer, gas-liquid mixed unit, evaporative condenser unit, and the pipeline will interconnected between above-mentioned parts, wherein store seawater in water storage box, ultrasonic atomizer connects water storage box by pipeline; Gas-liquid mixed unit is made up of air compressor, intake ducting and nozzle; Described evaporative condenser unit at least comprises vaporizer, microwave heating installation, grid filtration device, condensation flow deflector and rising pipe, the inside of described vaporizer is the evaporation cavity of hollow, microwave heating installation is arranged on the inwall of evaporation cavity, grid filtration device covers the top of evaporation cavity, condensation flow deflector is arranged on the top of grid filtration device, and condensation flow deflector is provided with diversion trench.This device ejection drop is little, atomizing droplet good uniformity, velocity of evaporation fast, and the capacity usage ratio of microwave heating method vaporize water is high, can regulate atomizing particle size, and capacity usage ratio improves.
Description
Technical field
The invention provides a kind of sea water desalinating plant, particularly relate to a kind of efficient sea water desalinating plant of less energy-consumption of gas-liquid mixed, belong to sea water desalinating plant technical field.
Background technology
Along with the high speed development of economic society and the destruction day by day of environmental resources, water resources crisis has become the second-biggest-in-the-world environmental problem being only second to global warming.The earth has the area of about 70% to be ocean, and therefore sea water desaltination is the inevitable choice solving water resources crisis, open up new stand-by water source.Desalination technology is of a great variety both at home and abroad at present, though the power consumption of multi-stage flash evaporation technology technology maturation is large; Low temperature multiple-effect distillation technical pattern is comparatively complicated, and cost is higher; Reverse-osmosis Seawater Desalination Technology development is very fast, and construction costs and running cost also in lasting reduction, but still have the space of improving further to the subject range of seawater quality, system stability.
The multi-effect distilling technology used in traditional sea water desaltination and pressure distillation technique can consume a large amount of energy, and required instrument is larger; Reverse osmosis method requires strict to sea water preprocessing, film needs periodic replacement; Pressure water pump jet atomization nozzle atomized particle size is comparatively thick, and evaporative condenser capacity usage ratio is not high.
Chinese patent CN201882940U discloses a kind of sea water desalinating plant comprising containing portion, conductive cover, auto-switch and conduit, and this device guide wire imports seawater, utilizes the method for physical evaporation by sea water desaltination to obtain seawater.But this device heat conduction cover is arranged on the energy that containing portion can not effectively provide needed for whole device.Chinese patent CN201195697Y discloses a kind of new micro sea water desalinating plant, comprises hand increasing pressure pump, organic filter pump, hyperbaric chamber and shell, and this device volume is little easy to carry but need to adopt the mode of manual pressure; Chinese patent CN2685321Y discloses a kind of manual seawater desalting device, comprise strainer, in-line coagulation assembly, hand driven high pressure pump, pressure maintaining valve and reverse osmosis membrane assembly, this device is made up of independent two portions, sea water preprocessing part and reverse-osmosis treated part respectively, therefore the volume of this sea water desalinating plant large, carry inconvenience.
Contrast Chinese patent CN2687107Y discloses a kind of gas-liquid mixed high-speed evaporating sea water desalting device, be made up of transparent vaporization booth, hurricane cover, gas blower, pressure injection device and scatterer etc., this installation cost is lower, stable performance, but can not ensure in mixing section can by abundant carburation by evaporation after high-voltage high-speed makes seawater droplet and air mixed; This device capacity usage ratio reduces on the other hand.
Therefore at present still in the urgent need to exploitation less energy-consumption, sea water desalinating plant easy to use.
Summary of the invention
The invention provides a kind of sea water desalinating plant, solve the deficiency in background technology, this device ejection drop is little, atomizing droplet good uniformity, velocity of evaporation fast, and the capacity usage ratio of microwave heating method vaporize water is high, can regulate atomizing particle size, capacity usage ratio improves.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is:
A kind of sea water desalinating plant, at least comprise water storage box, ultrasonic atomizer, gas-liquid mixed unit, evaporative condenser unit, and the pipeline will interconnected between above-mentioned parts, wherein store seawater in water storage box, ultrasonic atomizer connects water storage box by pipeline, and is small droplets by the seawater atomization in water storage box, gas-liquid mixed unit is made up of air compressor, intake ducting and nozzle, described intake ducting is connected with nozzle, air compressor is installed on intake ducting, ultrasonic atomizer is connected with nozzle, sprays after the small droplets that the air that air compressor compresses and ultrasonic atomizer are atomized mixes in nozzle by nozzle, described evaporative condenser unit at least comprises vaporizer, microwave heating installation, grid filtration device, condensation flow deflector and rising pipe, the inside of described vaporizer is the evaporation cavity of hollow, nozzle is positioned at evaporation cavity, microwave heating installation is arranged on the inwall of evaporation cavity, the filter screen for filtering droplet is provided with in grid filtration device, grid filtration device covers the top of evaporation cavity, condensation flow deflector is arranged on the top of grid filtration device, condensation flow deflector is provided with diversion trench, diversion trench is communicated with rising pipe, in evaporation cavity by the water vapour that evaporates through being condensed into drop after filter screen on condensation flow deflector and being flowed out by rising pipe along diversion trench and collect.
The top of described condensation flow deflector is provided with one deck dividing plate, the side seals between dividing plate and condensation flow deflector, and jointly form about one penetrating ventilation duct between the two, outside air is led in one end of ventilation duct, and the other end of ventilation duct is communicated with intake ducting.
The cross section of described condensation flow deflector is curved, and vertical section is corrugated, and the diversion trench that condensation flow deflector is provided with is positioned at the bottom of ripple, and along cross-sectional direction distribution, the bottom of diversion trench is all communicated with rising pipe.The material of described condensation flow deflector is aluminium alloy.
The bottom of described vaporizer is provided with concentrated brine tank and concentrated salt solution fluid valve.
The sidewall of described vaporizer is provided with pressure release exhausting window.
The sea water desalinating plant provided in the present invention compared with prior art has following advantage: in the present invention owing to have employed ultrasonic atomizer, at the exit ultrasonic spraying device through pretreated Mare Frigoris water, atomize water into ultramicron, mix rear formation liquid-vapor mixture with the air draught that intake ducting ejects, the size of atomizing particle can be regulated thus change evaporite ratio surface-area and vaporator rate; Adopt microwave heating technique to be separated gas and concentrated salt solution small droplets, improve the efficiency of utilization in evaporative process; The condensation flow deflector installed at vaporizer top, top due to condensation flow deflector is the ventilation duct be connected with intake ducting, therefore in use, heat during water vapor condensation both can be transferred to air by condensation flow deflector, thus raise compressed-air actuated temperature, reduce heat required when evaporating; On the other hand, due to the freezing air constantly entered in ventilation duct, freezing air can reduce the temperature of condensation flow deflector, thus makes water vapour obtain better condensation.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of sea water desalinating plant provided by the present invention;
Fig. 2 is the workflow diagram of sea water desalinating plant provided by the present invention;
Fig. 3 is the structural representation of condensation flow deflector.
In figure: 1-water storage box, 2-ultrasonic atomizer, 3-air compressor, 4-intake ducting, 5-nozzle, 6-evaporation cavity, 7-microwave heating installation, 8-grid filtration device, 9-condensation flow deflector, 10-rising pipe, 11-diversion trench, 12-dividing plate, 13-ventilation duct, 14-concentrates brine tank, 15-pressure release exhausting window.
Embodiment
Below in conjunction with accompanying drawing, detailed specific description is done to the present invention.
The one-piece construction of sea water desalinating plant provided by the present invention as shown in Figure 1, comprise water storage box 1, ultrasonic atomizer 2, gas-liquid mixed unit, evaporative condenser unit, and the pipeline will interconnected between above-mentioned parts, wherein store seawater in water storage box 1, ultrasonic atomizer 2 connects water storage box 1 by pipeline, and be small droplets by the seawater atomization in water storage box, liquid level inertia and surface tension is destroyed and the cause that produces cavatition because ultrasonic wave has, when surface tension of liquid ripple is enough, will to fly out aerosol at crest; The difference of atomizing particle diameter causes the difference of velocity of evaporation, and hyperacoustic frequency of high strength is generally 10-40KHz, and the frequency therefore controlling ultrasonic spraying device makes the atomizing particle sprayed can by separation of fully vaporizing.
Gas-liquid mixed unit is made up of air compressor 3, intake ducting 4 and nozzle 5, described intake ducting 4 is connected with nozzle 5, air compressor 3 is installed on intake ducting 4, ultrasonic atomizer 2 is connected with nozzle 5, the air that air compressor 3 compresses and the small droplets that ultrasonic atomizer 2 is atomized move in a circle, from exit end to spouting in the air after fully mixing in nozzle 5.
Described evaporative condenser unit at least comprises vaporizer, microwave heating installation 7, grid filtration device 8, condensation flow deflector 9 and rising pipe 10, the inside of described vaporizer is the evaporation cavity 6 of hollow, nozzle 5 is positioned at evaporation cavity 6, microwave heating installation 7 is arranged on the inwall of evaporation cavity 6, heat---the vaporization heat absorbed when the liquid-vapor mixture entered in evaporation cavity 6 can be provided continuously to be atomized vaporization, by setting the power of microwave heating installation and size, can make a certain amount of liquid-vapor mixture can by separation of fully vaporizing.The volume of evaporation cavity, should according to entering the drop amount of evaporation cavity and droplet size and setting in the unit time, can by separation of fully vaporizing to meet a certain amount of liquid-vapor mixture.Can control to enter in the unit time by adjustment small droplets and the compressed-air actuated ratio that sprays into and the flow velocity entering evaporation cavity the drop amount of evaporation cavity.
The filter screen for filtering droplet is provided with in grid filtration device 8, grid filtration device 8 covers the top of evaporation cavity 6, to avoid the seawater water smoke corrosion aluminum condensation flow deflector risen, set filter screen can make the minute gas particle be atomized in the vapour-liquid of rising by filter screen, and aqueous phase is then blocked and continues to be vaporized.
Condensation flow deflector 9 is arranged on the top of grid filtration device, its structure as shown in Figure 3, condensation flow deflector 9 is provided with diversion trench 11, diversion trench 11 is communicated with rising pipe 10, in evaporation cavity by the water vapour that evaporates through being condensed into drop after filter screen on condensation flow deflector 9 and being flowed out by rising pipe along diversion trench and collect.
The top of described condensation flow deflector 9 is provided with one deck dividing plate 12, and dividing plate 12 is tetrafluoroethylene material sheet.Side seals between dividing plate 12 and condensation flow deflector 9, jointly form about one penetrating ventilation duct 13 between the two, outside air is led in one end of ventilation duct 13, and the other end of ventilation duct 13 is communicated with intake ducting 4.
The cross section of described condensation flow deflector 9 is curved, and vertical section is corrugated, and the diversion trench 11 that condensation flow deflector 9 is provided with is positioned at the bottom of ripple, and along cross-sectional direction distribution, the bottom of diversion trench 11 is all communicated with rising pipe 10.The material of described condensation flow deflector 9 is aluminium alloy, and the thermal conductivity of aluminium is fine, can not cause container deformation when heating or cooling due to the internal stress of temperature difference generation.
In the present embodiment, the bottom of described vaporizer is provided with concentrated brine tank 14 and concentrated salt solution fluid valve, for collecting salt solution.The sidewall of vaporizer is provided with pressure release exhausting window 15, can automatically open pressure release exhaust according to the differential pressure of atmospheric pressure change in evaporation cavity and automatically close to stop pressure release exhaust.
The workflow of sea water desalinating plant provided by the present invention is as follows: the flowing water Valve first opening water storage box flows out through pretreated Mare Frigoris water, produced by ultrasonic atomizer and be atomized small droplets in a large number, the exit normal of ultrasonic atomizer is in intake ducting and be tightly connected, and produces negative pressure be convenient to atomization small droplets and mix with the pressurized air that intake ducting ejects in junction.The pipeline inner nozzle ejection entering nozzle after mixing is sent in vaporizer.Spray the fine suspension liquid-vapor mixture diffused in vaporizer, absorb a large amount of microwave radiation heats around, form mist cloud after expanding and vaporized by rapid evaporation.Now, after a large amount of unnecessary gas accumulation in vaporiser body, due to the continuous change of air pressure, unnecessary gas is constantly delivered as quickly away from pressure release exhausting window.The steam stream of quick flowing carries the little droplet of a large amount of suspensions and runs rising simultaneously, and set filter screen can ensure that the minute gas particle be atomized in the vapour-liquid risen can by filter screen, and aqueous phase is then blocked and continues to be vaporized.After wherein part subparticle is risen by carburation by evaporation, part upward current touches top condensation flow deflector, meets condensation and is polymerized to drop, because the radian of condensation flow deflector designs, under drop pools plume, constantly discharge from drainage pipeline.The condensation flow deflector installed at vaporizer top, top due to condensation flow deflector is the ventilation duct be connected with intake ducting, therefore in use, heat during water vapor condensation both can be transferred to air by condensation flow deflector, thus raise compressed-air actuated temperature, reduce heat required when evaporating; On the other hand, due to the freezing air constantly entered in ventilation duct, freezing air can reduce the temperature of condensation flow deflector, thus makes water vapour obtain better condensation.Whole device reaches the object of less energy-consumption vapour-liquid mixing high-speed evaporating sea water desalting.
Claims (5)
1. a sea water desalinating plant, it is characterized in that: at least comprise water storage box, ultrasonic atomizer, gas-liquid mixed unit, evaporative condenser unit, and the pipeline will interconnected between above-mentioned parts, wherein store seawater in water storage box, ultrasonic atomizer connects water storage box by pipeline, and is small droplets by the seawater atomization in water storage box, gas-liquid mixed unit is made up of air compressor, intake ducting and nozzle, described intake ducting is connected with nozzle, air compressor is installed on intake ducting, ultrasonic atomizer is connected with nozzle, sprays after the small droplets that the air that air compressor compresses and ultrasonic atomizer are atomized mixes in nozzle by nozzle, described evaporative condenser unit at least comprises vaporizer, microwave heating installation, grid filtration device, condensation flow deflector and rising pipe, the inside of described vaporizer is the evaporation cavity of hollow, nozzle is positioned at evaporation cavity, microwave heating installation is arranged on the inwall of evaporation cavity, the filter screen for filtering droplet is provided with in grid filtration device, grid filtration device covers the top of evaporation cavity, condensation flow deflector is arranged on the top of grid filtration device, condensation flow deflector is provided with diversion trench, diversion trench is communicated with rising pipe, in evaporation cavity by the water vapour that evaporates through being condensed into drop after filter screen on condensation flow deflector and being flowed out by rising pipe along diversion trench and collect, the cross section of described condensation flow deflector is curved, vertical section is corrugated, the diversion trench that condensation flow deflector is provided with is positioned at the bottom of ripple, and distribute along cross-sectional direction, the bottom of diversion trench is all communicated with rising pipe.
2. sea water desalinating plant according to claim 1, it is characterized in that: the top of described condensation flow deflector is provided with one deck dividing plate, side seals between dividing plate and condensation flow deflector, jointly form about one penetrating ventilation duct between the two, outside air is led in one end of ventilation duct, and the other end of ventilation duct is communicated with intake ducting.
3. sea water desalinating plant according to claim 1, is characterized in that: the material of described condensation flow deflector is aluminium alloy.
4. sea water desalinating plant according to claim 1, is characterized in that: the bottom of described vaporizer is provided with concentrated brine tank and concentrated salt solution fluid valve.
5. sea water desalinating plant according to claim 1, is characterized in that: the sidewall of described vaporizer is provided with pressure release exhausting window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310723554.XA CN103693700B (en) | 2013-12-25 | 2013-12-25 | A kind of sea water desalinating plant |
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| CN201310723554.XA CN103693700B (en) | 2013-12-25 | 2013-12-25 | A kind of sea water desalinating plant |
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| CN103693700A CN103693700A (en) | 2014-04-02 |
| CN103693700B true CN103693700B (en) | 2015-09-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860462B (en) * | 2015-04-29 | 2017-07-07 | 昆明理工大学 | The equipment and application process of a kind of microwave purifying treatment heavy metal ion-containing waste water |
| US10632396B2 (en) | 2015-04-29 | 2020-04-28 | Kunming University Of Science And Technology | Microwave flash evaporation process and apparatus and use thereof |
| CN105836948B (en) * | 2016-03-31 | 2019-04-09 | 红门智能科技股份有限公司 | The method and system of fresh water are prepared using the seawater and freshwater moisture condensation temperature difference |
| CN106519504A (en) * | 2016-11-08 | 2017-03-22 | 江苏润海能源科技有限公司 | Nozzle of seawater desalting device |
| CN107098418A (en) * | 2017-05-31 | 2017-08-29 | 华南理工大学 | Cloud and mist desalinator for seawater |
| CN107381687A (en) * | 2017-08-18 | 2017-11-24 | 王贵作 | The desalination method and equipment of a kind of strong brine |
| CN110467234B (en) * | 2019-09-18 | 2024-01-26 | 内蒙古尖锋科技有限公司 | Portable photovoltaic direct distillation method water desalination device |
| CN111620409A (en) * | 2020-06-11 | 2020-09-04 | 黑龙江省科学院高技术研究院 | Ultrasonic sewage atomization concentration treatment device |
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| JP2005342619A (en) * | 2004-06-03 | 2005-12-15 | Narusa Tokyo:Kk | Atomizing method by atomizer with lighting means |
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| CN101607237A (en) * | 2009-07-14 | 2009-12-23 | 武汉科技大学 | A kind of gas liquid two-phase whirl heavy calibre mist nozzle |
| CN101792191A (en) * | 2010-03-11 | 2010-08-04 | 何宗彦 | Internal-combustion engine assisted sea water desalinization/poor-quality water purification method and device thereof |
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2013
- 2013-12-25 CN CN201310723554.XA patent/CN103693700B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697073Y (en) * | 2003-09-12 | 2005-05-04 | 陈明 | Sea water desalination device |
| JP2005342619A (en) * | 2004-06-03 | 2005-12-15 | Narusa Tokyo:Kk | Atomizing method by atomizer with lighting means |
| CN101113030A (en) * | 2007-07-05 | 2008-01-30 | 中国海洋大学 | Low-position heat energy spray evaporation-multiple-effect distillation seawater desalination method and device |
| CN101607237A (en) * | 2009-07-14 | 2009-12-23 | 武汉科技大学 | A kind of gas liquid two-phase whirl heavy calibre mist nozzle |
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