CN2611355Y - Two-chamber continuous electrical deionizator - Google Patents
Two-chamber continuous electrical deionizator Download PDFInfo
- Publication number
- CN2611355Y CN2611355Y CN 02284477 CN02284477U CN2611355Y CN 2611355 Y CN2611355 Y CN 2611355Y CN 02284477 CN02284477 CN 02284477 CN 02284477 U CN02284477 U CN 02284477U CN 2611355 Y CN2611355 Y CN 2611355Y
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- CN
- China
- Prior art keywords
- transcribed spacer
- desalination
- distributor
- room
- desalinization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
A double room continual electricity deionizater which mainly resolves the problem of unreversed desalinization ratio falling, small deionization ratio to the neutral ions, material leakage or the like, a seam distributor (water distributor) is arranged on the material inlet position in the middle desalinization interval area, an ion polishing room is additionally arranged with the inner portion filled with the mixed ion exchanging resin, the seam distributor is disposed between the polishing room and the layered room, the middle desalinization interval area and the condensed interval area adopt the double sealing ring for sealing. The utility model achieves simple structure, great property, wide applicable for the condensation of the industrial purified water, high purified water and chemical raw material, drugs or the like of petrifaction, thermoelectricity, pharmacy, electron, galvanization or the like.
Description
Technical field
The utility model relates to a kind of desalting treatment device of industrial pure water preparation, specifically is applied in pre-desalination (as reverse osmosis membrane equipment) afterwards, utilizes a kind of advanced desalination device of separatory membrane and electric field regenerating resin.
Background technology
At present, the continuous electrodeionization device mainly contains EDI and two kinds of devices of CDI, and its principle of work roughly is summarized as follows:
Be divided into two parts during material (feedwater) access to plant: desalination transcribed spacer in the middle of a part enters, in flow process, the ion in the material is pounced on by the stratified positive negative resin in centre and is caught, thereby produces the ion-exchange phenomenon; Owing to carry out under electric field action, intermediate section is every being separated by ionic membrane, and positive cavity block itself has: anode membrane only allows positively charged ion to pass through, and cavity block only allows negatively charged ion to pass through; Ion in the material produces the ion migration phenomenon simultaneously when exchange takes place like this, and the ion in the material is trapped and is purified like this; Another part material enters the enriching transcribed spacer simultaneously, and the effect of producing electrolysis under effect of electric field utilizes the unidirectional transport property of film, and the resin in the middle of making in the single chamber desalination transcribed spacer obtains displacement and regeneration.EDI and CDI the most basic difference in structure is: added resin in the enriching transcribed spacer among the CDI, accelerated the speed of ion migration.But there are following shortcoming jointly in EDI, CDI device at present:
1, because middle desalination transcribed spacer is a single chamber, do not establish sparger (water distributor), material (water) produces small viscous flow, short flow phenomenon in flow process; Irreversible ratio of desalinization decline phenomenon appears in equipment increase along with working time in operational process.
2, since in the middle desalination transcribed spacer resin of filling fill by the yin, yang layering, for the clearance of neutral ion (as dissolves silicon) in the material (water) usually less than 85%.
3, because single sealing-ring is only adopted in the sealing of middle desalination transcribed spacer and enriching transcribed spacer, and equipment is in operation because of material (feedwater) hydraulic action, material (water) phenomenon often appears leaking in passing in time, needs holding bolt aperiodically.
For these reasons, up to the present the continuous electrodeionization device only uses in minisystem, even have large-scale equipment operation is arranged in the discrete system, and the problem of appearance is more, can't extensively promote.
Summary of the invention
The purpose of this utility model is to provide a kind of two chambers continuous electrodeionization device of dependable performance, thus solve that irreversible ratio of desalinization descends among present continuous electrodeionization device EDI, the CDI, to the clearance of neutral ion (as dissolves silicon) usually less than 85%, problem such as material (water) seepage.
In order to realize the purpose of this utility model, intend taking following technical scheme:
It includes enriching transcribed spacer and desalination transcribed spacer, and unique distinction is:
Be provided with slot distributor 3 in charging place of middle desalination transcribed spacer; Set up an ion polishing chamber 7 in the middle desalination transcribed spacer, be filled with mixture iron exchange resin 21 in it, be provided with slot distributor 3 between this polishing room 7 and the layering chamber 8.
Above-mentioned middle desalination transcribed spacer and enriching transcribed spacer adopt double density seal 13 sealings.
Advantage of the present utility model is reasonable in design, and is simple in structure, easily realizes, can solve the problem that prior art exists.Slit cloth (water) device is set considers to increase flow velocity, be evenly distributed, avoid viscous flow, short stream from the waterpower angle; Adding hybrid ionic polishing room 7 is to consider from the ion-exchange theory, increases ion exchange paths, the neutral ion of further degrading, and the ratio of desalinization that improves neutral ion can reach more than 99%; It is to consider from mechanical sealing principle that middle desalination transcribed spacer and enriching transcribed spacer adopt double density seal 13, and inner seal ring is pre-sealed release, and outer gland sealing is a tight seal.
Description of drawings
Fig. 1 is a principle schematic of the present utility model.
Fig. 2 is a middle desalination of the present utility model two dimensional structure synoptic diagram at interval.
Fig. 3 is an enriching separation seal two dimensional structure synoptic diagram of the present utility model.
Fig. 4 is an overall appearance structural representation of the present utility model.
Fig. 5 is the left view of Fig. 4.
Embodiment
The disclosed structure of above-mentioned accompanying drawing is an embodiment of the present utility model.Among the figure, 1 is desalination end import in the middle of the material (water); 2 is the import of enriching end; 3 is cloth (water) device; 4 bring out mouth for product; 5 bring out mouth for enriching; 6 are the outlet of utmost point water end (W.E.); 7 is polishing room; 8 are the layering chamber; 9 is separatory membrane; 10 is middle desalination end septal branch support body; 11 is fixing threaded hole; 12 is enriching end septal branch support body; 13 is interior exterior seal ring; 14 is positive negative resin between enriching; 15 is stationary bearing; 16 is the pole plate bearing; 17 is decorative shell; 18 is power socket; 19 is standing bolt; 20 is the shell standing bolt; 21 is hybrid resin in the polishing room; 22 are layering chamber sun negative resin.
The utility model is when normal operation work, saliferous material (former water) is divided into two parts when entering, in middle desalination septal branch support body 10, another part is also entered in the enriching end septal branch support body 12 by enriching end import 2 simultaneously a part by middle desalination end import 1.Saliferous material (former water) in the middle of entering in the desalination septal branch support body 10 enters in the layering chamber 8 behind cloth (water) device 3 uniform distribution, saliferous material (former water) fully contacts with layering chamber sun negative resin 22, under the effect of electric field and separatory membrane 9, ion produces directional migration and displacement phenomenon, so material (former water) has obtained preliminary purification, layering chamber sun negative resin 22 has also obtained regeneration simultaneously; The material (former water) that has obtained preliminary purification enters in the polishing room 7 behind the uniform distribution once more through middle cloth (water) device 3 again, same under the effect of electric field and separatory membrane 9, ion produces directional migration and displacement phenomenon, so material (former water) has obtained being further purified, polishing room's hybrid resin 21 is with advancing also to have obtained regeneration; Behind cloth (water) device 3 uniform distribution, bring out mouthful 4 discharges again by product.Like this, saliferous material (former water) is through 3 even three distributions of cloth (water) device, and the different resin layer in two Room has carried out the secondary desalting treatment makes it reach desalination and aim of stable operation.
Enter in the enriching end septal branch support body 12 material (former water) also cloth (water) device 3 in enriching end septal branch support body 12 enter into positive negative resin 14 between enriching, under the effect of electric field and separatory membrane 9, the ion that directional migration gets has guaranteed the steady running of equipment under resin substitution and hydraulic action and discharge like this.
The utility model is when normal operation work, and interior exterior seal ring 13 plays sealing effectiveness under the fastening effect of stationary bearing 15, standing bolt 19, fixing threaded hole 11.Power socket 18 provides stable current field condition with pole plate bearing 16 for equipment.12 of pole plate bearing 16 and enriching end septal branch support bodies produce small utmost point water and are discharged by utmost point water end (W.E.) outlet 6.
Claims (2)
1, a kind of pair of chamber continuous electrodeionization device includes enriching transcribed spacer and desalination transcribed spacer, it is characterized in that: be provided with slot distributor (3) in charging place of middle desalination transcribed spacer; Set up an ion polishing chamber (7) in the middle desalination transcribed spacer, be filled with mixture iron exchange resin (21) in it, be provided with slot distributor (3) between this polishing room (7) and layering chamber (8).
2, by described pair of chamber of claim 1 continuous electrodeionization device, it is characterized in that: above-mentioned middle desalination transcribed spacer and enriching transcribed spacer adopt double density seal (13) sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02284477 CN2611355Y (en) | 2002-12-05 | 2002-12-05 | Two-chamber continuous electrical deionizator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02284477 CN2611355Y (en) | 2002-12-05 | 2002-12-05 | Two-chamber continuous electrical deionizator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2611355Y true CN2611355Y (en) | 2004-04-14 |
Family
ID=34150869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02284477 Expired - Lifetime CN2611355Y (en) | 2002-12-05 | 2002-12-05 | Two-chamber continuous electrical deionizator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2611355Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335419C (en) * | 2005-09-12 | 2007-09-05 | 张贵清 | Electric deionisation method and apparatus for producing superpure water using separation bed |
| CN102079559A (en) * | 2010-11-26 | 2011-06-01 | 浙江大学 | Electrical deionization method and system without enriched chamber |
-
2002
- 2002-12-05 CN CN 02284477 patent/CN2611355Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335419C (en) * | 2005-09-12 | 2007-09-05 | 张贵清 | Electric deionisation method and apparatus for producing superpure water using separation bed |
| CN102079559A (en) * | 2010-11-26 | 2011-06-01 | 浙江大学 | Electrical deionization method and system without enriched chamber |
| CN102079559B (en) * | 2010-11-26 | 2013-06-05 | 浙江大学 | Electrical deionization method and system without enriched chamber |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121205 Granted publication date: 20040414 |