CN202576057U - Seawater electro-filtration desalting device - Google Patents
Seawater electro-filtration desalting device Download PDFInfo
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- CN202576057U CN202576057U CN 201220210902 CN201220210902U CN202576057U CN 202576057 U CN202576057 U CN 202576057U CN 201220210902 CN201220210902 CN 201220210902 CN 201220210902 U CN201220210902 U CN 201220210902U CN 202576057 U CN202576057 U CN 202576057U
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Abstract
The utility model relates to the technical field of sea water desalination, in particular to a seawater electro-filtration desalting device. The desalting device is characterized in that electro-filtration anode plates and electro-filtration cathode plates which are connected with a positive electrode and a negative electrode of a power supply respectively are arranged in pipelines, the water guide pipelines are spiral, and the electro-filtration anode plates and the electro-filtration cathode plates are at equal intervals in the pipelines. After the electro-filtration anode plates and the electro-filtration cathode plates are connected with the positive and negative electrodes of the power supply respectively, cations in sea water are gathered towards the electro-filtration cathode plates, and anions are gathered towards the electro-filtration anode plates under the action of the electric field when the sea water flows into the pipelines at a certain velocity, and the sea water flows out through water outlets of the pipelines after the seawater desalting is completed. After the electro-filtration anode plates and the electro-filtration cathode plates are disconnected with the power supply, saline ions on the electro-filtration electrode plates are released and washed to complete the collection of strong brine. The seawater electro-filtration desalting device is low in energy consumption, high in work efficiency and adaptability to seawater quality and temperature, good in desalting effect, convenient to operate, long in service life and the like.
Description
Technical field
The utility model relates to a kind of field of sea water desalting technology, the seawater electrofiltration desalting device that specifically a kind of desalinating cost is low.
Background technology
As everyone knows, the desalination techniques to the former water of difference has obtained fast development in decades in the past.At present, existing tens of kinds of method for desalting seawater mainly is distillation method, embrane method, cold method etc., and that advantages such as wherein, embrane method is energy-conservation with it, scale, flexibility is strong and the construction period is short become is with fastest developing speed, use maximum desalination technologies.For liquid separation membrane process such as the r-o-that has embrane method now, nanofiltration, ultrafiltration, micro-filtration, electrodialysis; Film pollution and film properties unavoidably can take place degenerates; Aging etc. such as film surface scale, microbial contamination and film; Cause the performance change such as aperture of the rejection, molecular weight cut-off and the film that see through flow velocity, salt of film, thereby increase the replacing and the maintenance cost of film.At present, film is as the sea water desaltination preconditioning technique, and microfiltration membrane can be removed suspended particle, and ultra-filtration membrane can be removed soluble large molecule, and the output quality is better.But all there are a lot of defectives in these technology, and for example ultrafiltration membrane elements is not suitable for handling with serious pollution water, and the nf membrane element can not be worked under high water flux condition.Though high water intake velocity can reduce concentration polarization, cause power loss to increase, film needs often to clean, and process is loaded down with trivial details, and film properties reduces.Generally speaking, the working temperature of film about 15～28 ℃, the north of china in winter seawater temperature generally about 3 ℃, film cisco unity malfunction, and seawater temperature is improved about 15 ℃, required energy consumption is huge.
Summary of the invention
The purpose of the utility model is the deficiency that overcomes above-mentioned prior art, provides that a kind of energy consumption is low, adaptive faculty is high, the seawater electrofiltration desalting device of easy to operate, long service life.
The utility model can reach through following measure:
A kind of seawater electrofiltration desalting device is characterized in that being provided with volution water guide pipeline, is provided with electrofiltration positive plate and electrofiltration negative plate in the pipeline; The electrofiltration positive plate is connected with the positive and negative electrode of power supply respectively with the electrofiltration negative plate, volution electrofiltration plate designs, and the spacing of electrofiltration positive plate and electrofiltration negative plate same axial section in pipeline equates; Electrofiltration positive plate and electrofiltration negative plate be respectively with after the positive and negative electrode of power supply is connected, when seawater gets into volution water guide pipeline with certain flow rate, on the one hand; Under electric field action, the positively charged ion in the seawater with spiral trajectory to the enrichment of electrofiltration negative plate, negatively charged ion with spiral trajectory to the enrichment of electrofiltration positive plate; Helping ion fast, fully is enriched on the electrofiltration pole plate; On the other hand, volution electrofiltration plate designs has effectively been utilized the working area of electrofiltration pole plate, and can guarantee that seawater flows in volution water guide pipeline fully; Water outlet by pipeline after the completion sea water desalinization flows out; Electrofiltration positive plate and electrofiltration negative plate respectively with power cut-off after, salt ion discharges on the electrofiltration pole plate, flushing is accomplished strong brine and is collected.
The fit of volution electrofiltration positive plate and electrofiltration negative plate can adopt symmetric double spiral in the utility model, also can adopt parallel double-screw type,
The utility model is according to the requirement of ion decreasing ratio, and the seawater electrofiltration desalting device can adopt multistage symmetry spiral axially, also can adopt the spiral axial series of multistage parallel.
The spiral axial series of multistage symmetry, when adopting the even level design, water-in is arranged on a top side, and water outlet is arranged on the final stage homonymy, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization; When adopting the odd level design, water-in is arranged on a top side, and water outlet is arranged on the final stage offside, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization.
The spiral axial series of multistage parallel, when adopting the even level design, water-in is arranged on the top outside, and water outlet is arranged on the final stage outside, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization; When adopting the odd level design, water-in is arranged on top inboard, and water outlet is arranged on the final stage outside, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization.
The utility model is when seawater during with certain water inlet flow velocity; The electrofiltration polar plate spacing is less than 9mm; The ingress pressure distribution does not change with the electrofiltration polar plate spacing is different basically; The velocity flow profile of seawater in pipeline is steady basically, and volution electrofiltration pole plate has certain curvature, and the seawater in the pipeline receives outside pole plate tangential force effect and quickens.
When necessarily intaking flow velocity, the electrofiltration pole plate number of turns is influential to inlet pressure, can set according to flow channel length and seawater viscosity, and the electrofiltration pole plate number of turns is very little to the influence of outlet seawater speed.
The utlity model has that energy consumption is low, the ability of high efficiency, adaptation seawater quality and temperature is strong, desalting effect good, easy to operate, long service life etc. advantage.
Description of drawings:
Fig. 1 is a kind of structural representation of the utility model.
Fig. 2 is the another kind of structural representation of the utility model.
Fig. 3 is another structural representation of the utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
As shown in the figure, a kind of seawater electrofiltration desalting device is provided with the water guide pipeline; It is characterized in that being provided with in the pipeline electrofiltration positive plate and electrofiltration negative plate; The electrofiltration positive plate is connected with the positive and negative electrode of power supply respectively with the electrofiltration negative plate, can think that also pipeline is electrofiltration pole plate and one group of pipeline that housing constitutes of one group of energising, and the electrofiltration pole plate comprises electrofiltration positive plate and electrofiltration negative plate; The electrofiltration pole plate is processed by electro-conductive materials such as gac, graphite, thomel, carbon nanotube, wire nettings; Housing is used for sealing the both ends of the surface of electrofiltration pole plate, is shaped by metal sheet, plastic or other material, is state of insulation between electrofiltration pole plate and housing; When housing adopts the electro-conductive material material to process, be added with insulation spacer between housing and electrofiltration pole plate.
Water guide pipeline in the utility model is shape in the shape of a spiral, and the spacing of electrofiltration positive plate and the same axial section of electrofiltration negative plate in pipeline equates, electrofiltration positive plate and electrofiltration negative plate are respectively with after the positive and negative electrode of power supply is connected; When seawater gets into pipeline with certain flow rate; Under electric field action, the positively charged ion in the seawater is to the enrichment of electrofiltration negative plate, and negatively charged ion is to the enrichment of electrofiltration positive plate; Water outlet by pipeline after the completion sea water desalinization flows out; Electrofiltration positive plate and electrofiltration negative plate respectively with power cut-off after, salt ion discharges on the electrofiltration pole plate, flushing is accomplished strong brine and is collected.
The fit of volution electrofiltration positive plate and electrofiltration negative plate can adopt the symmetric double spiral in the utility model, also can adopt parallel double-screw type.
The utility model is according to the requirement of ion decreasing ratio, and the seawater electrofiltration desalting device can adopt multistage symmetry spiral axially, also can adopt the spiral axial series of multistage parallel.
The spiral axial series of multistage symmetry, when adopting the even level design, water-in is arranged on a top side, and water outlet is arranged on the final stage homonymy, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization; When adopting the odd level design, water-in is arranged on a top side, and water outlet is arranged on the final stage offside, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization.
The spiral axial series of multistage parallel, when adopting the even level design, water-in is arranged on the top outside, and water outlet is arranged on the final stage outside, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization; When adopting the odd level design, water-in is arranged on top inboard, and water outlet is arranged on the final stage outside, and seawater cycles through pipelines at different levels from top to bottom, accomplishes sea water desalinization.
The utility model is when seawater during with certain water inlet flow velocity; The electrofiltration polar plate spacing is less than 9mm; The ingress pressure distribution does not change with the electrofiltration polar plate spacing is different basically; The velocity flow profile of seawater in pipeline is steady basically, and volution electrofiltration pole plate has certain curvature, and the seawater in the pipeline receives outside pole plate tangential force effect and quickens.
When necessarily intaking flow velocity, the electrofiltration pole plate number of turns is influential to inlet pressure, can set according to flow channel length and seawater viscosity, and the electrofiltration pole plate number of turns is very little to the influence of outlet seawater speed.
The utility model energy consumption is low, the ability of high efficiency, adaptation seawater quality and temperature is strong, desalting effect good, easy to operate, long service life etc. advantage.
Claims (6)
1. seawater electrofiltration desalting device; It is characterized in that being provided with volution water guide pipeline; Be provided with electrofiltration positive plate and electrofiltration negative plate in the pipeline; The electrofiltration positive plate is connected with the positive and negative electrode of power supply respectively with the electrofiltration negative plate, and the spacing of electrofiltration positive plate and electrofiltration negative plate same axial section in pipeline equates.
2. a kind of seawater electrofiltration desalting device according to claim 1 is characterized in that the fit of electrofiltration positive plate and electrofiltration negative plate adopts symmetric double spiral.
3. a kind of seawater electrofiltration desalting device according to claim 1 is characterized in that the fit of electrofiltration positive plate and electrofiltration negative plate adopts parallel double-screw type.
4. a kind of seawater electrofiltration desalting device according to claim 1 is characterized in that the axial series mode of electrofiltration positive plate and electrofiltration negative plate adopts two-stage symmetric double spiral at least.
5. a kind of seawater electrofiltration desalting device according to claim 1 is characterized in that the axial series mode of electrofiltration positive plate and electrofiltration negative plate adopts the parallel duplex of two-stage at least.
6. a kind of seawater electrofiltration desalting device according to claim 1 is characterized in that the spiral coil of electrofiltration positive plate and electrofiltration negative plate is several to set according to the device size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210902 CN202576057U (en) | 2012-05-11 | 2012-05-11 | Seawater electro-filtration desalting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210902 CN202576057U (en) | 2012-05-11 | 2012-05-11 | Seawater electro-filtration desalting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202576057U true CN202576057U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220210902 Expired - Fee Related CN202576057U (en) | 2012-05-11 | 2012-05-11 | Seawater electro-filtration desalting device |
Country Status (1)
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| CN (1) | CN202576057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393966A (en) * | 2021-01-18 | 2021-02-23 | 湖南久钰电子有限公司 | Ion enrichment device in water and ion concentration monitoring system in water |
-
2012
- 2012-05-11 CN CN 201220210902 patent/CN202576057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393966A (en) * | 2021-01-18 | 2021-02-23 | 湖南久钰电子有限公司 | Ion enrichment device in water and ion concentration monitoring system in water |
| CN112393966B (en) * | 2021-01-18 | 2021-04-06 | 湖南久钰电子有限公司 | Ion enrichment device in water and ion concentration monitoring system in water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130511 |