CN106045137A - Seawater desalination method and seawater desalination system - Google Patents
Seawater desalination method and seawater desalination system Download PDFInfo
- Publication number
- CN106045137A CN106045137A CN201610066885.4A CN201610066885A CN106045137A CN 106045137 A CN106045137 A CN 106045137A CN 201610066885 A CN201610066885 A CN 201610066885A CN 106045137 A CN106045137 A CN 106045137A
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- removal
- water
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- 239000013535 sea water Substances 0.000 title claims abstract description 131
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 46
- 238000000909 electrodialysis Methods 0.000 claims abstract description 34
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 239000012535 impurity Substances 0.000 claims abstract description 26
- 239000000356 contaminant Substances 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000010521 absorption reaction Methods 0.000 claims description 28
- 239000013505 freshwater Substances 0.000 claims description 21
- 238000005341 cation exchange Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 15
- 239000003011 anion exchange membrane Substances 0.000 claims description 14
- 238000011033 desalting Methods 0.000 claims description 13
- 239000002086 nanomaterial Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 101100420946 Caenorhabditis elegans sea-2 gene Proteins 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 102
- 150000001450 anions Chemical class 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003014 ion exchange membrane Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for 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
Abstract
The invention provides a seawater desalination method and seawater desalination system to overcome the problems of low seawater desalination efficiency, high energy consumption and huge equipment. The seawater desalination method comprises the following steps: filtering for impurity removal; filtering for oil removal; pressurization for adsorption and oil removal; and electrodialysis desalination. The seawater desalination system is composed of a pressure pump, an impurity-removing filter, an oil-removing filter, an adsorption and oil-removing filter, an eddy current generator and an electrodialysis seawater desalination apparatus. The invention has the beneficial effects that equipment size is small; energy consumption is low and is reduced by 60 to 70% compared with the prior art; seawater desalination efficiency is high; the concentration of oil in treated seawater is no more than 2 ppm; and the seawater desalination method and seawater desalination system are especially applicable to an island in the sea and a ship.
Description
Technical field
The present invention relates to a kind of method for desalting seawater and seawater desalination system, particularly a kind of based on electrodialysis desalinization
Method for desalting seawater and seawater desalination system.
Background technology
Along with the increase of earth population, the scarcity of the drinking water depended on for existence, especially for island, ocean ship to life
Deposit the dependence using drinking water, use the completeest sea water inexhaustible, use to carry out desalinating the needs for people's domestic water
It it is the direction of industry effort.In existing technology, desalinization typically uses hyperfiltration, the way of distillation and electrodialysis method, by
Big in hyperfiltration and way of distillation equipment volume, power consumption is high, desalination efficiency is low and restricted application, it is impossible to meet and use need
Want.
Electrodialysis method is the method for desalting seawater that prior art application in recent years is the most universal, the electrodialysis sea of prior art
Water desalination method and equipment equally exist that equipment volume is big, efficiency is low and the height that consumes energy.
Due to the leakage of recovery process oil of offshore oil and ship pollution discharge and leakage, sea water generally also have greasy dirt deposit
, in desalting process, sea water oil removing is also the technical problem that desalting process must be accounted for, in prior art
The shortcoming containing greasy dirt desalinization and oil removal treatment cannot be applicable to.Containing smeary sea water, more reduction desalination effect is processed for desalination
Rate.
Summary of the invention
For overcoming in prior art, electrodialysis method for desalting seawater and equipment exist that equipment volume is big, efficiency is low, power consumption is high
With cannot be applicable to containing greasy dirt desalinization and oil removal treatment and containing smeary sea water desalination processed and more reduces desalination effect
Rate shortcoming.The open a kind of method for desalting seawater of the present invention and seawater desalination system.
It is that the method is real based on electrodialysis method for desalting seawater that the present invention realizes the method for desalinization goal of the invention employing
It is existing, it is characterised in that: the method is realized by following steps:
Step is (1). carry out removal of impurity filtration treatment after being pressurizeed by the sea water desalinated；
Step is (2). the sea water of removal of impurity filtration treatment is carried out oil removing filtration treatment；
Step is (3). and the sea water of oil removing filtration treatment is forced into not less than 50PSI, is adsorbed by the filter course of nano material
Oil removal treatment, sea water oil concentration≤2ppm after process；
Step is (4). nano material is adsorbed the sea water after oil removal treatment under keeping step pressure state (3) so that it is produce rotation
Stream, enters electrodialysis fresh-water generator, obtains drinkable desalination water and high salt concentration water after carrying out electrodialysis desalination.
Seawater desalination system of the present invention the technical scheme is that seawater desalination system, including: seawater filter and electricity are saturating
Analysis fresh-water generator.
Described seawater filter includes: the absorption oil removing of sea water removal of impurity filter, sea water oil removal filter, sea water is filtered
Device, vortex generator, electrodialysis fresh-water generator and force (forcing) pump, force (forcing) pump, sea water removal of impurity filter, sea water oil removing are filtered
Device, sea water absorption oil removal filter, vortex generator and electrodialysis fresh-water generator constitute pipeline connection successively.
Described sea water removal of impurity filter includes: contaminant filter housing and hollow contaminant filter core, hollow impurity mistake
Filter element is arranged in contaminant filter housing, and contaminant filter water inlet pipe connects with contaminant filter housing cavity, contaminant filter
Device outlet pipe and hollow contaminant filter core inner space, constitute and entered contaminant filter by filtering sea by contaminant filter water inlet pipe
The sea water removal of impurity filtration device structure flowed out by contaminant filter outlet pipe after hollow contaminant filter core filters in device housing.
Described sea water oil removal filter includes: oil filter housing and hollow oil filtration core, and hollow oil filtration core is arranged
In oil filter housing, oil strainer water inlet pipe and oil filter housing inner space, hollow oil filtration core inner chamber and oil mistake
Filter outlet pipe connects, and constitutes and is entered oil filter housing through hollow oil filtration core mistake by filtering sea by oil strainer water inlet pipe
The oil removal filter structure flowed out by oil strainer outlet pipe after filter.
Described sea water absorption oil removal filter includes: oil adsorption filter housing and hollow Nano adsorption filter element, empty
Heart nano adsorption filtration core is arranged in oil adsorption filter housing, and sea water absorption oil removal filter water inlet is inhaled with hollow Nano
Attached filtration core inner space, sea water absorption oil removal filter outlet connects with oil adsorption filter housing cavity, constitutes by mistake
Filter sea water is adsorbed oil removal filter by entrance oil adsorption filter housing after the absorption oil removing of hollow Nano adsorption filter element through sea water
The sea water absorption oil removal filter structure that water inlet flows out；
Described electrodialysis fresh-water generator includes: minus plate, positive plate and spaced one group of anion exchange membrane and sun
Ion exchange membrane, constitutes desalinization and processes cavity, described the moon between described anion exchange membrane and cation exchange membrane
Ion exchange membrane and cation exchange membrane are circular, at the desalinization constituted between anion exchange membrane and cation exchange membrane
Reason cavity is circular cavity.
The invention has the beneficial effects as follows: equipment volume is little, energy consumption is low, lighter than prior art reduces energy consumption 60-70%, sea water
Change sea water oil concentration≤2ppm after efficiency height, process, be particularly well-suited on island, naval vessel use.
The present invention is described in detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Accompanying drawing 1 is seawater desalination system schematic diagram of the present invention.
Accompanying drawing 2 is electrodialysis fresh-water generator generalized section in seawater desalination system of the present invention.
Accompanying drawing 3 is accompanying drawing 2 A-A generalized section.
Accompanying drawing 4 is accompanying drawing 2 B-B generalized section.
Accompanying drawing 5 is vortex generator generalized section in seawater desalination system of the present invention.
In accompanying drawing: 1 sea water removal of impurity filter, 1-1 contaminant filter housing, 1-2 hollow contaminant filter core, 1-3 impurity
Filter inleting pipe, 1-4 contaminant filter outlet pipe, 2 sea water oil removal filters, 2-1 oil filter housing, 2-2 hollow oil mistake
Filter element, 2-3 oil strainer water inlet pipe, 2-4 oil strainer outlet pipe, 3 sea water absorption oil removal filter, 3-1 oil adsorption filters
Housing, 3-2 hollow Nano adsorption filter element, 3-3 sea water absorption oil removal filter water inlet, 3-4 sea water absorption oil removal filter
Outlet, 3-5 oil extraction sewage mouth, 4 vortex generators, 4-1 eddy current generation impeller, 4-2 vortex generator housing, 4-3 eddy current are sent out
Raw device water inlet, 4-4 vortex generator outlet, 5 electrodialysis fresh-water generators, 5-1 minus plate, 5-2 positive plate, 5-3 cloudy from
Proton exchange, 5-4 cation exchange membrane, 6 force (forcing) pumps.
Detailed description of the invention
A kind of method for desalting seawater, the method realizes based on electrodialysis method for desalting seawater, and the method is real by following steps
Existing:
Step is (1). carry out removal of impurity filtration treatment after being pressurizeed by the sea water desalinated；
Step is (2). the sea water of removal of impurity filtration treatment is carried out oil removing filtration treatment；
Step is (3). and the sea water of oil removing filtration treatment is forced into not less than 50PSI, is adsorbed by the filter course of nano material
Oil removal treatment, sea water oil concentration≤2ppm after process；
Step is (4). nano material is adsorbed the sea water after oil removal treatment under keeping step pressure state (3) so that it is produce rotation
Stream, enters electrodialysis fresh-water generator, obtains drinkable desalination water and high salt concentration water after carrying out electrodialysis desalination.
In the embodiment of the present invention, step (1) with step (2) in, use and there is certain thickness filtering material carry out the removal of impurity
With oil removing filtration treatment.
(3) step carries out adsorbing oil removal treatment, sea water oil concentration≤2ppm after process by the filter course of nano material.
The purpose using this step solves the quality of water after desalination, simultaneously for improving the desalination efficiency of electrodialysis fresh-water generator, due to
Oil is insulator, and in sea water, the existence of oil is substantially reduced desalination efficiency.
Step (4) sea water is under keeping step pressure state (3) so that it is produce eddy flow, enters electrodialysis fresh-water generator
Purpose be that producing eddy flow is to improve anion and cation impact anion exchange membrane and the kinetic energy of cation exchange membrane, adds
Speed, by anion and the separating rate of cation, improves desalination efficiency.Embodiment and it is demonstrated experimentally that employing step technology spy (4)
Levy and can improve desalinization efficiency 3-5 times.
A kind of seawater desalination system, including: seawater filter and electrodialysis fresh-water generator.
Described seawater filter includes: the absorption oil removing of sea water removal of impurity filter 1, sea water oil removal filter 2, sea water
Filter 3, vortex generator 4, electrodialysis fresh-water generator 5 and force (forcing) pump 6, force (forcing) pump 6, sea water removal of impurity filter 1, sea water
Oil removal filter 2, sea water absorption oil removal filter 3, vortex generator 4 and electrodialysis fresh-water generator 5 constitute pipeline even successively
Logical.
Described sea water removal of impurity filter 1 includes: contaminant filter housing 1-1 and hollow contaminant filter core 1-2, empty
Heart contaminant filter core 1-2 is arranged in contaminant filter housing 1-1, contaminant filter water inlet pipe 1-3 and contaminant filter housing
1-1 inner space, contaminant filter outlet pipe 1-4 and hollow contaminant filter core 1-2 inner space, constituted by filtering sea by miscellaneous
By contaminant filter after hollow contaminant filter core 1-2 filters in mass filter water inlet pipe 1-3 entrance contaminant filter housing 1-1
The sea water removal of impurity filtration device structure that outlet pipe 1-4 flows out.
In embodiment, sea water removal of impurity filter 1 arranges purpose and is: remove the removal of impurity of sea water, it is ensured that subsequent technique sets
Standby unobstructed and normal work, reduces equipment and cleans and part replacement.
Described sea water oil removal filter 2 includes: oil filter housing 2-1 and hollow oil filtration core 2-2, hollow oil mistake
Filter element 2-2 is arranged in oil filter housing 2-1, oil strainer water inlet pipe 2-3 and oil filter housing 2-1 inner space, empty
Heart oil filtration core 2-2 inner chamber connects with oil strainer outlet pipe 2-4, constitutes to be entered by oil strainer water inlet pipe 2-3 by filtering sea
Enter the sea water oil removing filtration that oil filter housing 2-1 is flowed out after hollow oil filtration core 2-2 filters by oil strainer outlet pipe 2-4
Device structure.
In embodiment, sea water oil removal filter 2 arranges purpose and is: removes relatively larger oil droplet and alleviates sea water absorption oil removal filter
The operating pressure of 3, increases hollow Nano adsorption filter element 3-2 simultaneously and uses and replacing construction.Hollow oil filtration core 2-2 uses tool
Have and oil is had certain adsorbing filtering material.
Described sea water absorption oil removal filter 3 includes: oil adsorption filter housing 3-1 and hollow Nano adsorption filter element
3-2, hollow Nano adsorption filter element 3-2 are arranged in oil adsorption filter housing 3-1, sea water absorption oil removal filter water inlet
3-3 and hollow Nano adsorption filter element 3-2 inner space, sea water absorption oil removal filter outlet 3-4 and oil adsorption filter
Housing 3-1 inner space, constitutes and is entered oil adsorption filtration by filtering sea by after hollow Nano adsorption filter element 3-2 absorption oil removing
The sea water absorption oil removal filter structure that device housing 3-1 flows out through sea water absorption oil removal filter water inlet 3-3.
In embodiment, sea water absorption oil removal filter 3 arranges purpose and is: formed surely with less oil droplet or oil molecule for water
In fixed emulsion, less oil droplet or oil molecule being adsorbed by hollow Nano adsorption filter element 3-2, embodiment proves this knot
Structure can make sea water oil concentration≤2ppm after process, is greatly improved the water quality after desalination.Sea water after oil removal treatment simultaneously, reduces
The existence of insulation body oils, improves the desalination efficiency of electrodialysis fresh-water generator.
Described electrodialysis fresh-water generator 5 includes: minus plate 5-1, positive plate 5-2 and spaced one group of anion
Exchange membrane 5-3 and cation exchange membrane 5-4, constitutes sea water between described anion exchange membrane 5-3 and cation exchange membrane 5-4
Desalination processes cavity, and described anion exchange membrane 5-3 and cation exchange membrane 5-4 is circular, anion exchange membrane 5-3 and sun
It is circular cavity that the desalinization constituted between ion exchange membrane 5-4 processes cavity.
In embodiment, anion exchange membrane 5-3 and cation exchange membrane 5-4 is circular, anion exchange membrane 5-3 and sun from
It is circular cavity that the desalinization constituted between proton exchange 5-4 processes cavity, is greatly improved electrodialysis fresh-water generator 5 pressure-bearing
Ability, under conditions of same system pressure, reduces equipment volume, and circular cavity structure simultaneously facilitates sea water in circular cavity
The kinetic energy loss of flowing, creates conditions for improving anion and cation impact anion exchange membrane and cation exchange membrane.
In embodiment, described vortex generator 4 includes: eddy current generation impeller 4-1 and vortex generator housing 4-2, whirlpool
Stream occurs impeller 4-1 rotational support to be arranged on vortex generator housing 4-2, vortex generator water inlet 4-3 and eddy current generation leaf
Wheel 4-1 axis is vertically arranged, and vortex generator outlet 4-4 is coaxially set with eddy current generation impeller 4-1.Vortex generator 4
The kinetic energy improving sea water further impacts anion exchange membrane and cation exchange membrane with improving anion and cation in sea water
Direction, be greatly improved electrodialysis fresh-water generator 5 and desalinate efficiency.
In embodiment, for getting rid of high concentration oil-containing sea water in time or improving the hollow Nano adsorption filter element 3-2 use time,
In described sea water absorption oil removal filter 3, it is provided with and the oil extraction sewage mouth of hollow Nano adsorption filter element 3-2 inner space
3-4。
Claims (4)
1. a method for desalting seawater, the method based on electrodialysis method for desalting seawater realize, it is characterised in that: the method by with
Lower step realizes:
Step is (1). carry out removal of impurity filtration treatment after being pressurizeed by the sea water desalinated；
Step is (2). the sea water of removal of impurity filtration treatment is carried out oil removing filtration treatment；
Step is (3). and the sea water of oil removing filtration treatment is forced into not less than 50PSI, is adsorbed by the filter course of nano material
Oil removal treatment, sea water oil concentration≤2ppm after process；
Step is (4). nano material is adsorbed the sea water after oil removal treatment under keeping step pressure state (3) so that it is produce rotation
Stream, enters electrodialysis fresh-water generator, obtains drinkable desalination water and high salt concentration water after carrying out electrodialysis desalination.
2. a seawater desalination system, including: seawater filter and electrodialysis fresh-water generator, it is characterised in that
Described seawater filter includes: the absorption oil removing of sea water removal of impurity filter (1), sea water oil removal filter (2), sea water
Filter (3), vortex generator (4), electrodialysis fresh-water generator (5) and force (forcing) pump (6), force (forcing) pump (6), the sea water removal of impurity
Filter (1), sea water oil removal filter (2), sea water absorption oil removal filter (3), vortex generator (4) and electrodialysis desalinization
Device (5) constitutes pipeline connection successively;
Described sea water removal of impurity filter (1) including: contaminant filter housing (1-1) and hollow contaminant filter core (1-2),
Hollow contaminant filter core (1-2) is arranged in contaminant filter housing (1-1), contaminant filter water inlet pipe (1-3) and impurity mistake
Filter shell (1-1) inner space, contaminant filter outlet pipe (1-4) and hollow contaminant filter core (1-2) inner space, constituted
Contaminant filter housing (1-1) is entered by contaminant filter water inlet pipe (1-3) interior through hollow contaminant filter core (1-by filtering sea
2) the sea water removal of impurity filtration device structure flowed out by contaminant filter outlet pipe (1-4) after filtering;
Described sea water oil removal filter (2) including: oil filter housing (2-1) and hollow oil filtration core (2-2), hollow oil
Filtration core (2-2) is arranged in oil filter housing (2-1), and oil strainer water inlet pipe (2-3) is interior with oil filter housing (2-1)
Chamber connects, and hollow oil filtration core (2-2) inner chamber connects with oil strainer outlet pipe (2-4), constitutes and is filtered by oil by filtering sea
Device water inlet pipe (2-3) enters oil filter housing (2-1) after hollow oil filtration core (2-2) is filtered by oil strainer outlet pipe
(2-4) the sea water oil removal filter structure flowed out;
Described sea water absorption oil removal filter (3) including: oil adsorption filter housing (3-1) and hollow Nano adsorption filter element
(3-2), hollow Nano adsorption filter element (3-2) is arranged in oil adsorption filter housing (3-1), sea water absorption oil removal filter
Water inlet (3-3) and hollow Nano adsorption filter element (3-2) inner space, sea water absorption oil removal filter outlet (3-4) with
Oil adsorption filter housing (3-1) inner space, constitutes and is adsorbed oil removing by filtering sea by hollow Nano adsorption filter element (3-2)
Rear oil adsorption filter housing (3-1) that enters adsorbs, through sea water, the sea water absorption oil removing that oil removal filter water inlet (3-3) flows out
Filtration device structure；
Described electrodialysis fresh-water generator (5) including: minus plate (5-1), positive plate (5-2) and spaced one group cloudy from
Proton exchange (5-3) and cation exchange membrane (5-4), described anion exchange membrane (5-3) and cation exchange membrane (5-4) it
Between constitute desalinization process cavity, described anion exchange membrane (5-3) and cation exchange membrane (5-4) be circle, the moon from
It is circular cavity that the desalinization constituted between proton exchange (5-3) and cation exchange membrane (5-4) processes cavity.
A kind of seawater desalination system the most according to claim 2, it is characterised in that: described vortex generator (4) including:
Eddy current generation impeller (4-1) and vortex generator housing (4-2), eddy current generation impeller (4-1) rotational support is arranged on eddy current and sends out
Raw device housing (4-2), vortex generator water inlet (4-3) is vertically arranged with eddy current generation impeller (4-1) axis, vortex generator
Outlet (4-4) is coaxially set with eddy current generation impeller (4-1).
4. according to a kind of seawater desalination system described in Claims 2 or 3, it is characterised in that: described sea water absorption oil removing
In filter (3), it is provided with the oil extraction sewage mouth (3-4) with hollow Nano adsorption filter element (3-2) inner space.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066885.4A CN106045137A (en) | 2016-01-29 | 2016-01-29 | Seawater desalination method and seawater desalination system |
| PCT/CN2016/085659 WO2017128598A1 (en) | 2016-01-29 | 2016-06-14 | Seawater desalination method and seawater desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066885.4A CN106045137A (en) | 2016-01-29 | 2016-01-29 | Seawater desalination method and seawater desalination system |
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|---|---|
| CN106045137A true CN106045137A (en) | 2016-10-26 |
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|---|---|---|---|
| CN201610066885.4A Pending CN106045137A (en) | 2016-01-29 | 2016-01-29 | Seawater desalination method and seawater desalination system |
Country Status (2)
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| CN (1) | CN106045137A (en) |
| WO (1) | WO2017128598A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996792A (en) * | 2018-08-14 | 2018-12-14 | 吴爱兵 | A kind of method for desalting seawater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212907B (en) * | 2022-02-21 | 2022-04-26 | 深圳市九力信水处理科技有限公司 | Wastewater concentration device for concentrating new energy aluminum battery production and concentration method thereof |
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