CN2764765Y - Spiral wound type capacitive ion remover - Google Patents
Spiral wound type capacitive ion remover Download PDFInfo
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- CN2764765Y CN2764765Y CN 200520100487 CN200520100487U CN2764765Y CN 2764765 Y CN2764765 Y CN 2764765Y CN 200520100487 CN200520100487 CN 200520100487 CN 200520100487 U CN200520100487 U CN 200520100487U CN 2764765 Y CN2764765 Y CN 2764765Y
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Abstract
The utility model relates to a liquid treating device, particularly a spiral wound type capacitive ion remover. The utility model comprises a casing which is provided with a water inlet and a water outlet, the inner part of the casing is provided with negative plates and positive plates in a staggering way, and the negative plates and the positive plates are connected with a positive and a negative wiring terminals of the electrode; a plurality of pairs of the negative and the positive plates forms electrode layers, a plurality of pairs of the positive and the negative plates are connected to a dc power supply, grid layers are arranged among the positive and the negative plates, and the electrode layers and the grid layers are in staggered arrangement and are rolled into a whole by using the central tube as the center. The utility model mainly provides an electric desalinization device which has the advantages of simple structure, low operating pressure, low energy consumption, little pollution and ideal desalting effect; the utility model solves the technical problems existing in the prior art of long recovery time, low water utilization rate, non-ideal desalting effect and complicated device.
Description
Technical field
The utility model relates to a kind of fluid treatment appts, relates in particular to a kind of spiral wound capacitive character ion and removes device.
Background technology
The liquid treatment technology is meant foreign ion contained in the liquid is removed to obtain the technology of purified liquid.The known ionic technology that removes from liquid has reverse osmosis, ion-exchange, electric desalination (electrodialysis) etc. at present.
Reverse osmosis is a kind of membrane separation technique, applies external pressure greater than osmotic pressure in brackish water one side, and water molecules constantly infiltrates into dilute side, reaches the purpose that ion removes, and the ratio of desalinization of reverse osmosis is generally more than 98%, shortcoming operating pressure height.
Ion-exchange is the method that spent ion exchange resin is removed the liquid intermediate ion, and the shortcoming of ion-exchange is to need to adopt the acid base pair resin to regenerate, and produces a large amount of secondary pollutions.
Electricity desalination (electrodialysis) is to be impellent with the direct current, under the effect of electroactive media such as ion-exchange material, utilize negative resin exchange membrane and positive resins exchange film, zwitterion in the liquid is carried out selective permeation, make ion realize separating process by film, the shortcoming of electricity desalination is the ion-exchange material that needs consume expensive, and energy consumption is higher.
Utilize charged ion that the physical property of directional migration very easily takes place in DC electric field, occurred a kind of new liquid desalination technology in recent years, claim capacitive character desalting technology (CDI).Its principle of work is exactly to utilize above-mentioned charged ion that the physical property of directional migration very easily takes place in DC electric field, pending liquid is in the DC electric field, directional migration takes place rapidly in charged ion in the liquid or particle under effect of electric field, electronegative ion or particle move rapidly to the anode of electric field, and positively charged ion or particle move rapidly to the negative electrode of electric field, and be adsorbed on the cathode-anode plate respectively, thereby ion or granule content in the pending liquid are reduced, rapidly to reach the purpose that desalination purifies.For example Chinese patent CN2498142Y provides a kind of electric adsorption liquid treatment device, utilizes charged ion or particle directional migration in electric field to hand over the characteristic of absorption exactly, removes ion, organism, suspended substance and the colloidal particle etc. removed in the liquid.And for example U.S. Pat 6462935 also discloses a kind of device that utilizes the electro-adsorption principle to remove charged particle in the liquid.
CN2498142Y compares with Chinese patent, is the parallel wiring of electrode because we adopt, so regenerative power is stronger, the recovery time is shorter, thereby can improve the utilization ratio of water.
Compare with U.S. Pat 6462935, be rolled structure equally, because this patent only adopts pair of electrodes, and we adopt is many counter electrode, the electric field distribution of many counter electrode is more even, the spiral stream guidance grid structure that we adopt can prolong the residence time of liquid in device, thereby strengthens desalting effect.
Summary of the invention
The utility model has mainly provided a kind of simple in structure, and operating pressure is low, and energy consumption is little, pollutes little, desalting effect ideal electric salt remover; It is long to solve in the prior art the existing recovery time, and the utilization ratio of water is not high, and desalting effect is undesirable, installs complicated technical problem.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of spiral wound capacitive character ion removes device, comprise shell, shell is provided with intake-outlet, the cathode-anode plate of the staggered arrangement in the shell, cathode-anode plate links to each other with the positive negative terminal of electrode, described cathode-anode plate is many to constituting electrode layer, many to cathode-anode plate and be connected on the direct supply, between cathode-anode plate, be provided with clathrum, electrode layer and clathrum staggered arrangement, and be that the center rolls into one with the pipe core.Owing to adopt many counter electrode, make electric field more even respectively, polarity is opposite between the adjacent electrode, and forms the electrostatic double layer adsorption effect; Adopt rolled structure, add clathrum in it, make one-piece construction more compact, and can prolong the residence time of liquid in device, the ion that improves device removes ability; This device can module be talked about, and can be combined into one with regard to this structure is a plurality of, and polyphone or in parallel the use are improved the desalination ability.
As preferably, described cathode-anode plate is a combined electrode, and combined electrode is to be made of electrode materials parcel collector material.Electrode materials is a porous carbon materials, and very large surface-area and suitable and uniform pore size distribution are arranged, and collector material is a soft graphite, and good electrical conductivity and erosion resistance are arranged, and is pollution-free.
As preferably, described cathode-anode plate and grid all are connected on the pipe core.
As preferably, described intake-outlet is provided with filter screen, and intake-outlet and clathrum constitute fluid passage.Filter screen be arranged so that water quality is better.
Therefore, the utility model is simple in structure, is easy to assembling and integrated, owing to adopt the physical property of electric capacity, makes that the self-regeneration ability of electric salt remover is strong, and removing ion does not need chemical substance, so non-secondary pollution.
Simultaneously, power supply only is provided for the ionic migration, so energy consumption is low, and structural drag of the present utility model is little, and required system pressure is also little.
Description of drawings:
Accompanying drawing 1 is that spiral wound capacitive character ion of the present utility model removes the device overall schematic.
Accompanying drawing 2 is that spiral wound capacitive character ion of the present utility model removes device A-A sectional view.
The concrete example of implementing:
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: shown in accompanying drawing 1 or 2, spiral wound capacitive character ion removes device and is made of shell 1, pipe core 2, negative plate 3, positive plate 4, waffle slab 5 and water-in 6, water outlet 7.The cathode-anode plate staggered arrangement constitutes electrode layer, and waffle slab 5 is filled in and constitutes clathrum between the cathode-anode plate, and battery lead plate and grid all are connected on the pipe core 2, are that the center rolls into one with pipe core 2.Electrode layer is a combined electrode, combined electrode is made of collector layer parcel electrode layer, collector layer is made of soft graphite, electrode layer is to be made of porous carbon materials, is connected to after the combined electrode parallel connection on the terminal stud 8, connects the positive and negative electrode of direct supply then, opposite owing to polarity between adjacent combined electrode, and go into the electrostatic double layer adsorption effect, thereby make from the ion content of the effusive liquid of water outlet and reduce greatly, reach the purpose that ion removes.When the adsorptive power of electrode layer reached capacity, with the positive and negative electrode short circuit, the ion that is adsorbed discharged from electrode surface, and electrode has obtained regeneration.This part liquid is fallen to get final product as discharging of waste liquid, can select during regeneration than flow velocity faster, so that finish the regeneration link quickly.After regeneration finished, system can carry out ion again again and remove, and so moves in circles.Intermediary water conservancy diversion grid plays insulation and supports, and for liquid-flow provides passage, prolongs the residence time of liquid in device, thereby strengthens desalting effect.
When four pairs of combined electrodes are rolled into spiral wound configuration, the sodium chloride solution of water-in input 200ppm, at direct supply voltage is under the situation of 1.5v, the concentration of water outlet sodium chloride solution is 48ppm, along with the prolongation of adsorption time, go out water concentration and constantly raise, the adsorptive power of electrode is tending towards saturated, deenergization also makes the positive and negative electrode short circuit, and assembly enters the regeneration stage.The peak concentration that go out the aqueous solution this moment can reach 5～10 times of water strength of solution into, reach peak value after, concentration begins to descend, up to the influent concentration basically identical after, can think to disconnect regeneration ending the two poles of the earth and connect power supply that assembly enters the desalination state once more.Through evidence, the desalination rate that spiral wound capacitive character ion removes device can reach more than 75%, and the rate of recovery of water can reach more than 80%, because power supply only provides energy for ion moves in electric field, so energy consumption is extremely low.
Claims (5)
1. a spiral wound capacitive character ion removes device, comprise shell (1), shell (1) is provided with water-in (6) and water outlet (7), the negative plate (3) and the positive plate (4) of the staggered arrangement in the shell (1), cathode-anode plate links to each other with the positive negative terminal of electrode, it is characterized in that: described cathode-anode plate is many to constituting electrode layer, many to cathode-anode plate and be connected on the terminal stud (8), be connected on the direct supply then, between cathode-anode plate, be provided with grid (5) layer, electrode layer and grid (5) layer staggered arrangement, and be that the center rolls into one with pipe core (2).
2. spiral wound capacitive character ion according to claim 1 removes device, it is characterized in that: described cathode-anode plate is a combined electrode, and combined electrode is to be made of electrode materials parcel collector material.
3. spiral wound capacitive character ion according to claim 1 and 2 removes device, it is characterized in that: described cathode-anode plate and grid (5) all are connected on the pipe core (2).
4. spiral wound capacitive character ion according to claim 1 and 2 removes device, and it is characterized in that: described intake-outlet is provided with filter screen, and intake-outlet and clathrum constitute fluid passage.
5. spiral wound capacitive character ion according to claim 3 removes device, and it is characterized in that: described intake-outlet is provided with filter screen, and intake-outlet and clathrum constitute fluid passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520100487 CN2764765Y (en) | 2005-02-05 | 2005-02-05 | Spiral wound type capacitive ion remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520100487 CN2764765Y (en) | 2005-02-05 | 2005-02-05 | Spiral wound type capacitive ion remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2764765Y true CN2764765Y (en) | 2006-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520100487 Expired - Fee Related CN2764765Y (en) | 2005-02-05 | 2005-02-05 | Spiral wound type capacitive ion remover |
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| CN (1) | CN2764765Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360748A (en) * | 2011-06-14 | 2012-02-22 | 齐齐哈尔电业局 | Electric oil purification method and device |
| CN102583841A (en) * | 2012-01-18 | 2012-07-18 | 中国科学技术大学 | Diffusion and electrodialysis integrated treatment method and device for acid waste liquid containing metallic ion |
| CN103359809A (en) * | 2013-07-11 | 2013-10-23 | 陈艺文 | Ion removing device |
| CN105217744A (en) * | 2015-09-17 | 2016-01-06 | 大连理工大学 | A kind of cylindrical electro-adsorption filtration unit using activated carbon fiber as electro-adsorption material |
| CN109052587A (en) * | 2017-06-13 | 2018-12-21 | 郭洪飞 | A kind of open capacitive deionization desalter |
-
2005
- 2005-02-05 CN CN 200520100487 patent/CN2764765Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360748A (en) * | 2011-06-14 | 2012-02-22 | 齐齐哈尔电业局 | Electric oil purification method and device |
| CN102360748B (en) * | 2011-06-14 | 2013-12-18 | 齐齐哈尔电业局 | Electric oil purification method and device |
| CN102583841A (en) * | 2012-01-18 | 2012-07-18 | 中国科学技术大学 | Diffusion and electrodialysis integrated treatment method and device for acid waste liquid containing metallic ion |
| CN102583841B (en) * | 2012-01-18 | 2013-09-11 | 中国科学技术大学 | Diffusion and electrodialysis integrated treatment method and device for acid waste liquid containing metallic ion |
| CN103359809A (en) * | 2013-07-11 | 2013-10-23 | 陈艺文 | Ion removing device |
| CN103359809B (en) * | 2013-07-11 | 2015-06-10 | 赵然 | Ion removing device |
| CN105217744A (en) * | 2015-09-17 | 2016-01-06 | 大连理工大学 | A kind of cylindrical electro-adsorption filtration unit using activated carbon fiber as electro-adsorption material |
| CN109052587A (en) * | 2017-06-13 | 2018-12-21 | 郭洪飞 | A kind of open capacitive deionization desalter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |