CN102241420B - Solar seawater desalination device and seawater desalination method thereof - Google Patents
Solar seawater desalination device and seawater desalination method thereof Download PDFInfo
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- CN102241420B CN102241420B CN2011101410264A CN201110141026A CN102241420B CN 102241420 B CN102241420 B CN 102241420B CN 2011101410264 A CN2011101410264 A CN 2011101410264A CN 201110141026 A CN201110141026 A CN 201110141026A CN 102241420 B CN102241420 B CN 102241420B
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- 239000013535 sea water Substances 0.000 title claims abstract description 77
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000002347 injection Methods 0.000 claims abstract description 65
- 239000007924 injection Substances 0.000 claims abstract description 65
- 239000013505 freshwater Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 35
- 239000006200 vaporizer Substances 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 12
- 230000000740 bleeding effect Effects 0.000 claims description 10
- 241001131796 Botaurus stellaris Species 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000011033 desalting Methods 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 abstract 2
- 238000004821 distillation Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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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
-
- 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
-
- 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
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention provides a solar seawater desalination device. The device comprises a seawater inlet, a solar heating system, a condenser, a vacuum injection system and a fresh water tank, wherein the vacuum injection system comprises a solar cell, an injection pump, a vacuum injection tube and an injection circulating water tank. The seawater desalination process is as follows: seawater enters a solar water heater from the seawater inlet, is heated and then enters an evaporator, the generated steam comes out from a steam outlet A and then enters the condenser, the condensed fresh water flows into the fresh water tank, and the steam which is not condensed flows into the pumping hole of the vacuum injection tube; and after the injection pump is started, the vacuum injection tube is driven towork, steam is pumped from the pumping hole to ensure that seawater is evaporated from the evaporator faster, and more water-steam mixture is sprayed out from an injection outlet, enters the injection circulating water tank and flows out of the fresh water tank. The device fully uses solar energy as energy to desalinate the seawater and is environmentally-friendly; and because of the action of the vacuum injection system, the seawater desalination efficiency is high and the investment cost is controllable.
Description
Technical field
The present invention relates to sea water distiling plant, refer in particular to the device and the desalination method thereof that utilize sun power and vacuum jet pump to carry out sea water desaltination.
Background technology
We know that the mankind attempted the several different methods of sea water desaltination, and how sea water desaltination is realized on high efficiency, low cost ground, is perplexing the mankind always.In recent years, along with the application of heliotechnics, Cost of seawater desalination has decline significantly, solves fully as yet but desalinate problems such as efficient is low.
Number of patent application is that the file of CN201010549238.1 discloses " a kind of solar energy evacuated fresh-water generator "; It mainly is to utilize extracting vacuum to import seawater; The temperature that relends solar water is distilled seawater, and water, salt in its seawater are separated, and reaches the effect of sea water desaltination.The main inventive features of this device imports seawater for utilizing vacuum, and sea water desaltination does not have better technical characterictic, and desalination efficient does not improve, and novelty of patent lacks with creative.
Number of patent application is that the file of CN200910198703.9 discloses " a kind of self acting sea-water desalination device by solar membrane distillation "; It utilizes evacuated solar collector to add thermal distillation and utilizes the method for micro-pore-film filtration seawater to prepare fresh water; Inefficiency; Cost is higher, and unsuitable mass-producing is used.
Summary of the invention
Goal of the invention: overcome the defective of existing solar seawater desalination inefficiency, provide a kind of sea water desaltination efficient high, install changeable solar energy sea water desalination apparatus.
Technical scheme: for realizing the object of the invention, solar energy sea water desalination apparatus provided by the invention contains sea intake, solar heating system, fresh-water tank.Wherein, solar heating system contains solar water heater, vaporizer, vapour outlet A, bittern outlet.In addition, also contain condensing surface, airless injection system.Condensing surface contains water outlet A and vapour outlet B; The airless injection system contains solar cell, squirt pump, airless injection pipe, spray cycle water tank; The airless injection pipe contains bleeding point, sprays import, jet exit.Solar cell can change sun power electrical power storage into and squirt pump power is provided, and an end of squirt pump connects the spray cycle water tank, and the other end of squirt pump connects the injection import of airless injection pipe, and the jet exit of airless injection pipe connects back the spray cycle water tank.The spray cycle water tank has contained the water outlet B of overflow effect in addition, and water outlet A, water outlet B connect fresh-water tank respectively.
The seawater of described entering solar water heater and the seawater in the vaporizer can be regulated the inlet of seawater through siphon principle, after promptly evaporation of seawater reduces, and corresponding supply seawater inlet.
Described seawater is more than 80 ℃ by the solar water heater heated temperatures, and is preferred more than 95 ℃.
Described airless injection pipe is preferably flow type airless injection pipe, in the airless injection pipe or insulation water coil or insulation steam coils are arranged, plays heating or insulation effect.
Between the jet exit of described airless injection pipe and the spray cycle water tank or also be connected with additional condenser, so that the gas-vapor mix that rapid condensation ejects flows into the spray cycle water tank.
In the described condensing surface or in the additional condenser cooling water coil can be arranged, rise and quicken condensation.
In the device of the present invention, also can not connect by described condensing surface.
Among the present invention, described solar water heater can be made up of separate unit or many, and described vaporizer can be made up of separate unit or many, forms the unit cluster, is connected with a cover airless injection system.Production capacity is as required confirmed the quantum of output of sea water desaltination.Ratio for input and output is higher.
Another object of the present invention: the method for desalting seawater that above-mentioned solar energy sea water desalination apparatus is provided.
Realize the technical scheme of the object of the invention: comprise following process:
Seawater gets into solar water heater from sea intake, after heating, gets into vaporizer, and the water vapor of generation comes out from vapour outlet A, and remaining concentrated seawater gets into the bittern outlet and flows out; The water vapor that vapour outlet A comes out gets into condensing surface, and the fresh water that is condensed flows to fresh-water tank from water outlet A, and the water vapor that is not condensed flows into the bleeding point of airless injection pipe from vapour outlet B; Behind the ejector priming, drive the airless injection plumber and do, spray the less water that import flows to the jeting circulating water case; Bleeding point pump up water steam; Through jetting action, be than lower negative pressure in the airless injection pipe, quicken the suction of water vapour; And then quickening the evaporation of seawater from vaporizer, jet exit sprays more gas-vapor mix to the spray cycle water tank; After the water yield excess of spray cycle water tank (water level surpasses water outlet B), B flows out to fresh-water tank from water outlet, realizes sea water desaltination.
The negative pressure that forms in the described airless injection pipe can be 0.2atm-0.8atm, and the power of squirt pump is lower, can be 25W-1KW.
Beneficial effect: the present invention utilizes sun power seawater to be desalinated environmental protection as the energy fully.Because the effect of airless injection system, evaporation of seawater speed is fast, and desalination efficient is high; And each assembly of elements quantity in the device is the amount doesn't matter, and the output of preparing fresh water can be regulated as required, and cost of investment is controlled; Affiliated facility is required to lack, and use on the seashore that is fit under the various complex environments.
Description of drawings
Accompanying drawing is a structure of the present invention and schematic flow sheet.
Among the figure, 1, sea intake; 2, solar water heater; 3, vaporizer; 4, vapour outlet A; 5, bittern outlet; 6, condensing surface; 7, water outlet A; 8, fresh-water tank; 9, vapour outlet B; 10, bleeding point; 11, airless injection pipe; 12, spray import; 13, jet exit; 14, valve; 15, spray cycle water tank; 16, water outlet B; 17, squirt pump; 18, solar cell.
Embodiment
Below, in conjunction with accompanying drawing and embodiment the present invention is done explanation more specifically.
Choose or make corresponding component: sea intake 1; The solar heating system that contains solar water heater 2, vaporizer 3, vapour outlet A4, bittern outlet 5; Fresh-water tank, contain water outlet A7 and vapour outlet B9 condensing surface 6, contain the airless injection system of solar cell 18, squirt pump 17, airless injection pipe 11, spray cycle water tank 15; Wherein, airless injection pipe 11 contain bleeding point 10, spray import 12,14 several of jet exits 13, valve.
Each component are coupled together by shown in the accompanying drawing.Solar cell 18 can change sun power electrical power storage into and provide squirt pump 17 power; One end of squirt pump 17 connects spray cycle water tank 15; Spray cycle water tank 15 has contained the water outlet B16 of overflow effect in addition; The other end of squirt pump 17 connects the injection import 12 of airless injection pipe 11, and the jet exit 13 of airless injection pipe 11 connects back spray cycle water tank 15; Water outlet A7, water outlet B16 connect fresh-water tank 8 respectively, and a linking number valve 14 is with the break-make of pilot piping in the pipeline.
Embodiment 1: the seawater in the seawater of described entering solar water heater 2 and the vaporizer 3 is regulated the inlet of seawater through siphon principle.Described seawater is more than 90 ℃ by solar water heater 2 heated temperatures.Described airless injection pipe 11 is a flow type airless injection pipe, in the airless injection pipe 11 or the insulation water coil arranged.Described solar water heater 2 is formed by 1, and described vaporizer 3 is formed by 1.The negative pressure that forms in the airless injection pipe 11 is 0.8atm, the power 25W of squirt pump.
Embodiment 2: the seawater in the seawater of described entering solar water heater 2 and the vaporizer 3 is regulated the inlet of seawater through siphon principle.Described seawater is more than 95 ℃ by solar water heater 2 heated temperatures.Described airless injection pipe 11 is a flow type airless injection pipe, is incubated steam coils in the airless injection pipe 11.Can be connected with additional condenser between the jet exit 13 of described airless injection pipe 11 and the spray cycle water tank 15, so that the gas-vapor mix that rapid condensation ejects.The water of condensation coil pipe is arranged in the condensing surface 6.The negative pressure that forms in the airless injection pipe 11 is 0.5atm, the power 100W of squirt pump 17.
Embodiment 3: the seawater in the seawater of described entering solar water heater 2 and the vaporizer 3 is regulated the inlet of seawater through siphon principle.Described seawater is more than 95 ℃ by solar water heater 2 heated temperatures.Described airless injection pipe 11 is the steam and vacuum spray tube.Do not connect described condensing surface 6 in the described device.Between the jet exit 13 of airless injection pipe 11 and the spray cycle water tank 15 or be connected with additional condenser, so that the gas-vapor mix that rapid condensation ejects.Described solar water heater 2 is formed by many, and described vaporizer 3 is made up of separate unit.The negative pressure that forms in the airless injection pipe 11 is 0.2atm, the power 1KW of squirt pump 17.
Shown in accompanying drawing, among the foregoing description 1-3, seawater gets into solar water heater 2 from sea intake 1, after heating, gets into vaporizer 3, and the water vapor of generation comes out from vapour outlet A4, and remaining concentrated seawater gets into bittern outlet 5 and flows out; The water vapor that vapour outlet A4 comes out gets into condensing surface 6, and the fresh water that is condensed flows to fresh-water tank 8 from water outlet A7, and the water vapor that is not condensed flows into the bleeding point 10 of airless injection pipe 11 from vapour outlet B9; After squirt pump 17 starts, drive 11 work of airless injection pipe, spray the less water that import 12 flows to spray cycle water tank 15; Bleeding point 10 pump up water steam; Through jetting action, be than lower negative pressure in the airless injection pipe 11, quicken the suction of water vapour; And then quicken the evaporation of seawater from vaporizer 3, the more gas-vapor mix of jet exit 13 ejections is to spray cycle water tank 15; After the water yield excess of spray cycle water tank 15, flow out to fresh-water tank 8, realize desalting process from water outlet B16.
Claims (9)
1. solar energy sea water desalination apparatus; Contain sea intake (1), solar heating system, fresh-water tank (8); Solar heating system contains solar water heater (2), vaporizer (3), vapour outlet A (4), bittern outlet (5), it is characterized in that: also contain condensing surface (6), airless injection system; Condensing surface (6) contains water outlet A (7) and vapour outlet B (9); The airless injection system contains solar cell (18), squirt pump (17), airless injection pipe (11), spray cycle water tank (15); Airless injection pipe (11) contains bleeding point (10), sprays import (12), jet exit (13); Solar cell (18) can change sun power electrical power storage into and squirt pump (17) power is provided; One end of squirt pump (17) connects spray cycle water tank (15); The other end of squirt pump (17) connects the injection import (12) of airless injection pipe (11), and the jet exit (13) of airless injection pipe (11) connects back spray cycle water tank (15); Spray cycle water tank (15) has contained the water outlet B (16) of overflow effect in addition, and water outlet A (7), water outlet B (16) connect fresh-water tank (8) respectively.
2. solar energy sea water desalination apparatus according to claim 1 is characterized in that: get into the seawater of described solar water heater (2) and the seawater in the vaporizer (3) is regulated seawater through siphon principle inlet.
3. solar energy sea water desalination apparatus according to claim 1 and 2 is characterized in that: described seawater is more than 95 ℃ by solar water heater (2) heated temperatures.
4. solar energy sea water desalination apparatus according to claim 1 is characterized in that: described airless injection pipe (11) is a flow type airless injection pipe, in the airless injection pipe (11) or have the insulation water coil or the insulation steam coils.
5. according to the described solar energy sea water desalination apparatus of claim 1 or 4; It is characterized in that: be connected with additional condenser between the jet exit (13) of described airless injection pipe (11) and the spray cycle water tank (15), so that the gas-vapor mix that rapid condensation ejects.
6. solar energy sea water desalination apparatus according to claim 5 is characterized in that: in the condensing surface (6) or in the additional condenser cooling water coil is arranged.
7. solar energy sea water desalination apparatus according to claim 1 is characterized in that: described solar water heater (2) is made up of separate unit or many, and described vaporizer (3) is made up of separate unit or many.
8. adopt the method for desalting seawater of the described solar energy sea water desalination apparatus of claim 1, it is characterized in that: comprise following process:
Seawater gets into solar water heater (2) from sea intake (1), after heating, gets into vaporizer (3), and the water vapor of generation comes out from vapour outlet A (4), and remaining concentrated seawater gets into bittern outlet (5) and flows out; The water vapor that vapour outlet A (4) comes out gets into condensing surface (6), and the fresh water that is condensed flows to fresh-water tank (8) from water outlet A (7), and the water vapor that is not condensed flows into the bleeding point (10) of airless injection pipe (11) from vapour outlet B (9); After squirt pump (17) starts, drive airless injection pipe (11) work, spray the water that import (12) flows to spray cycle water tank (15); Bleeding point (10) pump up water steam; Through jetting action, the airless injection pipe is than lower negative pressure in (11), quickens the suction of water vapour; And then quicken the evaporation of seawater from vaporizer (3), jet exit (13) ejection gas-vapor mix is to spray cycle water tank (15); After the water yield excess of spray cycle water tank (15), flow out to fresh-water tank (8), realize sea water desaltination from water outlet B (16).
9. method for desalting seawater according to claim 8 is characterized in that: the negative pressure that forms in the airless injection pipe (11) is 0.2atm-0.8atm, the power 25W-1KW of squirt pump (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101410264A CN102241420B (en) | 2011-05-30 | 2011-05-30 | Solar seawater desalination device and seawater desalination method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101410264A CN102241420B (en) | 2011-05-30 | 2011-05-30 | Solar seawater desalination device and seawater desalination method thereof |
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| CN102241420A CN102241420A (en) | 2011-11-16 |
| CN102241420B true CN102241420B (en) | 2012-11-21 |
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| CN103130291A (en) * | 2013-01-31 | 2013-06-05 | 武汉理工大学 | Solar sea water desalination device applied to lifeboats |
| US9783431B2 (en) | 2014-05-28 | 2017-10-10 | Katz Water Tech, Llc | Apparatus and method to remove contaminates from a fluid |
| CN104628067A (en) * | 2014-12-26 | 2015-05-20 | 皇明太阳能股份有限公司 | Solar-powered seawater desalination device, stove combined device and using method thereof |
| CN106986404B (en) * | 2017-04-28 | 2020-08-11 | 江苏工程职业技术学院 | Solar seawater desalination device and control method |
| US11713258B2 (en) | 2017-08-24 | 2023-08-01 | Katz Water Tech, Llc | Apparatus system and method to extract minerals and metals from water |
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| US11034605B2 (en) | 2018-03-29 | 2021-06-15 | Katz Water Tech, Llc | Apparatus system and method to extract minerals and metals from water |
| CN109553148A (en) * | 2019-01-05 | 2019-04-02 | 洁源环境(深圳)有限公司 | A kind of waste water is vacuum-treated structure and its processing method |
| CN109867317A (en) * | 2019-04-18 | 2019-06-11 | 安徽理工大学 | A kind of efficient cryogenic atomization injection desalination plant and its method |
| CN113044900A (en) * | 2019-12-29 | 2021-06-29 | 广州易能克科技有限公司 | Solar vacuum-pumping seawater desalination device |
| CN111649601B (en) * | 2020-06-29 | 2022-04-19 | 东和恩泰热能技术(江苏)有限公司 | Large-scale marine vacuum condenser |
| CN111675276A (en) * | 2020-07-28 | 2020-09-18 | 成都华能低温设备制造有限公司 | Solar energy water injection seawater desalination system |
| CN114873673A (en) * | 2022-05-11 | 2022-08-09 | 首钢京唐钢铁联合有限责任公司 | Liquid drainage device and hot method seawater desalination system |
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| CN1729037A (en) * | 2002-12-21 | 2006-02-01 | Kbh工程股份有限公司 | Method and device for producing a pure liquid from a crude liquid |
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