CN201553635U - Electro deionization device for filling ion exchange fibers in electrolyte water compartment and concentrated water compartment - Google Patents
Electro deionization device for filling ion exchange fibers in electrolyte water compartment and concentrated water compartment Download PDFInfo
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- CN201553635U CN201553635U CN2009203137373U CN200920313737U CN201553635U CN 201553635 U CN201553635 U CN 201553635U CN 2009203137373 U CN2009203137373 U CN 2009203137373U CN 200920313737 U CN200920313737 U CN 200920313737U CN 201553635 U CN201553635 U CN 201553635U
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- ion
- exchange
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- exchange fiber
- hydroecium
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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
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Abstract
An electro deionization device for filling ion exchange fibers in an electrolyte water compartment and a concentrate water compartment comprises an anode compartment, a cathode compartment, and a fresh water compartment and the concentrated water compartment which are alternately arranged between the anode compartment and the cathode compartment, wherein, the fresh water compartment is separated from an adjacent concentrated water compartment through a positive ion exchange membrane and a negative ion exchange membrane; mixed-bed ion exchange resin is filled in the fresh water compartment; the ion exchange fibers are filled in the concentrated water compartment, the anode compartment and the cathode compartment; and a polypropylene plastic grid is laid between each two ion exchange fibers or between the ion exchange fiber and the ion exchange membrane. The utility model solves the problems of complex processes brought by the concentrated water circulation and salt addition in the concentrate water compartment and high requirement for operation control, simplifies the filling difficulty, improves the uniformity of conducting layers in the concentrate water compartment, and can be widely used for seawater desalination, industrial soft water preparation, pure deionized water production and salt making industries.
Description
Technical field
The utility model relates to a kind of electric deionizer for preparing industrial pure water.
Background technology
Electrodeionization (EDI), be electrodeionization (packed-bed electrodialysis), be the zwitterion that utilizes in the mixture iron exchange resin absorption feedwater, the process that these ions that are adsorbed of while are removed by anion and cation exchange membrane respectively under galvanic effect.Electric deionizer is used widely in the industrial pure water preparation field at present, and its primary structure comprises that fastening board, anolyte compartment's (containing anode), cathode compartment (containing negative electrode) and the one or more dense hydroeciums that repeat to be provided with between anolyte compartment and cathode compartment and freshwater room constitute.These dense hydroeciums and freshwater room form by anion-exchange membrane and the cationic exchange membrane of alternately arranging.Be filled in freshwater room for anion-cation exchange resin, these resins can the layering filling also can mixed packing.Mainly acting as of ion exchange resin: 1, increase ionic lateral transfer speed; 2, the vertical migration speed of retaining ion; 3, increase the electroconductibility of freshwater room; 4, quicken the local disruption rate of water; 5, zwitterion is put forward high yield water purity in the exchanged water.Simultaneously in order to improve the electroconductibility of dense hydroecium, part producer adopts dense water cycle and dense water to improve the conductance of dense hydroecium with the mode of salt, reduces the resistance of dense hydroecium, reduces the energy consumption of module when operation.Also have part producer to adopt the mode at dense hydroecium loaded resin to increase the electroconductibility that ionic lateral transfer speed improves dense hydroecium, the resistance that reduces dense hydroecium reduces the energy consumption of module when operation.All there is certain problem in this dual mode, dense water cycle and with salt in the conductance that improves dense water and utmost point water, also cause chlorion to separate out the performance that the oxidation that causes ion-exchange membrane and resin reduces equipment at anode, and the complex process that dense water cycle and dense hydroecium bring with salt, operation control requires problems such as height.Though and the complex process that can avoid dense water cycle and dense hydroecium to bring at the accurate loaded resin of dense hydroecium with salt, operation control requires problems such as height, but also there is the uneven problem of resin filling in dense hydroecium filling, the resin that is scattered on the dividing plate forms arch formation easily, causes module to leak and scurries problems such as water.Therefore, production is had higher requirement to module.
The utility model content
The utility model provides the electric deionizer of a kind of utmost point hydroecium, dense hydroecium filling ion-exchange fiber, solve dense hydroecium electroconductibility problem on the low side, and module production, operation process complicated problems.
For achieving the above object, the utility model adopts following technical scheme:
The electric deionizer of this utmost point hydroecium, dense hydroecium filling ion-exchange fiber, comprise anolyte compartment, cathode compartment, be arranged alternately in freshwater room and dense hydroecium between anolyte compartment and the cathode compartment, freshwater room separates by cationic exchange membrane and anion-exchange membrane and adjacent dense hydroecium respectively, be filled with the mixed bed ion exchange resin in the freshwater room, be filled with ion-exchange fiber in dense hydroecium, anolyte compartment and the cathode compartment.
Be filled with two-layer at least ion-exchange fiber in described dense hydroecium, anolyte compartment and the cathode compartment, be laid with the acrylic plastering graticule mesh between the above-mentioned ion-exchange fiber or between ion-exchange fiber and the ion-exchange membrane.
Described ion-exchange fiber can be ion-exchange fiber felt or ion-exchange fiber net.
The thickness in monolayer of described ion-exchange fiber can be 1～3mm.
Described ion-exchange fiber can be polyacrylonitrile-radical ion-exchange fiber, polytetrafluoroethylene (PTFE) base ion-exchange fiber, radiation grafting polytetrafluoroethylene (PTFE) base acid ion exchange fiber, high strength heavy body polyvinyl alcohol ion-exchange fiber or gac/Vinyon N ion-exchange fiber.
The ion-exchange fiber of filling is strong-acid cation exchange fibre and strongly basic anion ion exchange fibre in described dense hydroecium, anolyte compartment and the cathode compartment.
Ion-exchange fiber in described dense hydroecium, anolyte compartment and the cathode compartment can be the cation exchange fibre or the anion-exchange fibre of filling separately, or the cation exchange fibre of mixed packing and anion-exchange fibre.
The cation exchange fibre of described mixed packing and anion-exchange fibre, the filling ratio of the two is 1: 3～3: 1.
Compared with prior art the utlity model has following characteristics and beneficial effect:
The utility model loads one or more layers ion-exchange fiber at utmost point hydroecium, dense hydroecium, can improve the electroconductibility of dense hydroecium effectively, is convenient to the control of the module quality of production.In one or more layers ion-exchange fiber process of filling, can be in the plastics graticule mesh of laying one deck polypropylene material between the ion-exchange fiber or between ion-exchange fiber and the ion-exchange membrane, to improve the current distribution situation of dense hydroecium.
The utility model compared with prior art has following advantage:
At first, avoided because the complex process that dense water cycle and dense hydroecium bring with salt is moved control and required problems such as height.
Secondly, ion-exchange fiber replaces ion exchange resin to be used for dense hydroecium filling, has simplified the difficulty of filling, has improved the homogeneity of dense hydroecium conductive layer.
The 3rd, simplified the operation process of module, the module operation can be adopted two water inlet two water outlets or two water inlets, three water-out manners.
When ion-exchange fiber contacted with electrolyte solution, the ion on the fiber can be done exchange selectively with the ion in the solution, be divided into cation exchange fibre, anion-exchange fibre and amphoteric ion exchange fibre.In addition, ion-exchange fiber also has performances such as certain intensity, resistance to chemical attack, can be used in iron and steel, chemical industry, the production in light industry process recovery, purifying treatment to spent acid, salkali waste, waste liquid and waste gas.The utility model can be widely used in the production and the salt industry of sea water desaltination, the preparation of industrial soft, no ion pure water.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the cross-sectional view of dense hydroecium.
Module diagram when Fig. 3 is module operation employing two water inlets two water outlets.
Module diagram when Fig. 4 is module operation employing two water inlets three water outlets.
Reference numeral: 1-anolyte compartment, 2-cathode compartment, 3-freshwater room, the dense hydroecium of 4-, 5-cationic exchange membrane, 6-anion-exchange membrane, 7-mixed bed ion exchange resin, 8-ion-exchange fiber, 9-acrylic plastering graticule mesh.
Embodiment
Embodiment is referring to shown in Figure 1, the electric deionizer of this utmost point hydroecium, dense hydroecium filling ion-exchange fiber, comprise anolyte compartment, cathode compartment, be arranged alternately in freshwater room 3 and dense hydroecium 4 between anolyte compartment 1 and the cathode compartment 2, freshwater room separates by cationic exchange membrane 5 and anion-exchange membrane 6 and adjacent dense hydroecium respectively, be filled with mixed bed ion exchange resin 7 in the freshwater room, be filled with ion-exchange fiber 8 in dense hydroecium 4, anolyte compartment 1 and the cathode compartment 2, ion-exchange fiber can be ion-exchange fiber felt or ion-exchange fiber net.Utmost point hydroecium comprises anolyte compartment 1 and cathode compartment 2.
Referring to shown in Figure 2, be filled with the sub-exchange fiber felt of three leafing in the dense hydroecium 4, the thickness in monolayer of ion-exchange fiber felt is 1～3mm.Be laid with acrylic plastering graticule mesh 9 between the ion-exchange fiber felt.Should guarantee the thickness homogeneous of ion-exchange fiber felt in the filling process, its moistening expanded thickness is at 1mm.The acrylic plastering graticule mesh is knitted for strand, and the silk footpath of silk screen is 0.5mm, its size and ion-exchange fiber felt measure-alike.For guaranteeing the consistent size of ion-exchange fiber felt, graticule mesh and dense chamber cavity, its processing all adopts punch press to cut.Ion-exchange fiber can be selected polyacrylonitrile-radical ion-exchange fiber, polytetrafluoroethylene (PTFE) base ion-exchange fiber, radiation grafting polytetrafluoroethylene (PTFE) base acid ion exchange fiber, high strength heavy body polyvinyl alcohol ion-exchange fiber or gac/Vinyon N ion-exchange fiber.
Referring to shown in Figure 3, the utility model can adopt the operation scheme of two water inlets, three water outlets, and water inlet enters freshwater room and dense hydroecium respectively, and after carrying out deionization under the extra electric field effect, product water is discharged from freshwater room, and dense water and utmost point water discharge respectively.
Referring to shown in Figure 4, the utility model can adopt the operation scheme of two water inlets, two water outlets, and water inlet enters freshwater room and dense hydroecium respectively, and after carrying out deionization under the extra electric field effect, product water is discharged from freshwater room, and dense water and utmost point water discharge together or reclaims.
Claims (8)
1. the electric deionizer of a utmost point hydroecium, dense hydroecium filling ion-exchange fiber, the freshwater room (3) and the dense hydroecium (4) that comprise anolyte compartment, cathode compartment, are arranged alternately in the anolyte compartment between (1) and the cathode compartment (2), freshwater room separates by cationic exchange membrane (5) and anion-exchange membrane (6) and adjacent dense hydroecium respectively, be filled with mixed bed ion exchange resin (7) in the freshwater room, it is characterized in that: be filled with ion-exchange fiber (8) in dense hydroecium (4), anolyte compartment (1) and the cathode compartment (2).
2. the electric deionizer of utmost point hydroecium according to claim 1, dense hydroecium filling ion-exchange fiber, it is characterized in that: be filled with two-layer at least ion-exchange fiber (8) in described dense hydroecium (4), anolyte compartment (1) and the cathode compartment (2), between the above-mentioned ion-exchange fiber (8) or ion-exchange fiber and the intermembranous acrylic plastering graticule mesh (9) that is laid with of ion-exchange.
3. the electric deionizer of utmost point hydroecium according to claim 1 and 2, dense hydroecium filling ion-exchange fiber, it is characterized in that: described ion-exchange fiber (8) is ion-exchange fiber felt or ion-exchange fiber net.
4. the electric deionizer of utmost point hydroecium according to claim 3, dense hydroecium filling ion-exchange fiber, it is characterized in that: the thickness in monolayer of described ion-exchange fiber (8) is 1～3mm.
5. the electric deionizer of utmost point hydroecium according to claim 3, dense hydroecium filling ion-exchange fiber, it is characterized in that: described ion-exchange fiber (8) is polyacrylonitrile-radical ion-exchange fiber, polytetrafluoroethylene (PTFE) base ion-exchange fiber, radiation grafting polytetrafluoroethylene (PTFE) base acid ion exchange fiber, high strength heavy body polyvinyl alcohol ion-exchange fiber or gac/Vinyon N ion-exchange fiber.
6. the electric deionizer of utmost point hydroecium according to claim 3, dense hydroecium filling ion-exchange fiber, it is characterized in that: the ion-exchange fiber (8) of filling is strong-acid cation exchange fibre and strongly basic anion ion exchange fibre in described dense hydroecium, anolyte compartment and the cathode compartment.
7. the electric deionizer of utmost point hydroecium according to claim 3, dense hydroecium filling ion-exchange fiber, it is characterized in that: the ion-exchange fiber in described dense hydroecium, anolyte compartment and the cathode compartment is the cation exchange fibre or the anion-exchange fibre of filling separately, or the cation exchange fibre of mixed packing and anion-exchange fibre.
8. the electric deionizer of utmost point hydroecium according to claim 7, dense hydroecium filling ion-exchange fiber, it is characterized in that: the cation exchange fibre of described mixed packing and anion-exchange fibre, the filling ratio of the two is 1: 3～3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203137373U CN201553635U (en) | 2009-10-30 | 2009-10-30 | Electro deionization device for filling ion exchange fibers in electrolyte water compartment and concentrated water compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203137373U CN201553635U (en) | 2009-10-30 | 2009-10-30 | Electro deionization device for filling ion exchange fibers in electrolyte water compartment and concentrated water compartment |
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| CN201553635U true CN201553635U (en) | 2010-08-18 |
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| CN2009203137373U Expired - Fee Related CN201553635U (en) | 2009-10-30 | 2009-10-30 | Electro deionization device for filling ion exchange fibers in electrolyte water compartment and concentrated water compartment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926197A (en) * | 2012-11-15 | 2013-02-13 | 杭州水处理技术研究开发中心有限公司 | Manufacturing method of support cloth for preparation of ion exchange membrane |
| CN104084046A (en) * | 2014-06-03 | 2014-10-08 | 浙江工商大学 | Electrodialysis separation plate and bipolar-membrane electrodialysis apparatus for producing organic acids |
| CN104628066A (en) * | 2014-12-26 | 2015-05-20 | 巴布科克环境工程江苏有限公司 | Preparation device of ultrapure water and preparation method of ultrapure water |
| CN105016504A (en) * | 2015-07-14 | 2015-11-04 | 无锡市绿之星环保有限公司 | Multi-layer oil-water separator and working method therefor |
| CN106630353A (en) * | 2016-12-28 | 2017-05-10 | 中海油能源发展股份有限公司珠海冷能利用分公司 | Method and device for preparing supplied water of ship boiler by seawater |
| CN107162127A (en) * | 2017-07-24 | 2017-09-15 | 赵寰宇 | A kind of electric deionizer |
| CN115448429A (en) * | 2022-09-22 | 2022-12-09 | 河北工程大学 | A monovalent selective bipolar membrane electrodialysis device and method for treating high-salt wastewater |
-
2009
- 2009-10-30 CN CN2009203137373U patent/CN201553635U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926197A (en) * | 2012-11-15 | 2013-02-13 | 杭州水处理技术研究开发中心有限公司 | Manufacturing method of support cloth for preparation of ion exchange membrane |
| CN102926197B (en) * | 2012-11-15 | 2014-05-07 | 杭州水处理技术研究开发中心有限公司 | Manufacturing method of support cloth for preparation of ion exchange membrane |
| CN104084046A (en) * | 2014-06-03 | 2014-10-08 | 浙江工商大学 | Electrodialysis separation plate and bipolar-membrane electrodialysis apparatus for producing organic acids |
| CN104084046B (en) * | 2014-06-03 | 2016-04-20 | 浙江工商大学 | Electrodialysis spacer and for the production of organic acid bipolar membrane electrodialysis device |
| CN104628066A (en) * | 2014-12-26 | 2015-05-20 | 巴布科克环境工程江苏有限公司 | Preparation device of ultrapure water and preparation method of ultrapure water |
| CN104628066B (en) * | 2014-12-26 | 2018-01-02 | 巴布科克环境工程江苏有限公司 | A kind of ultrapure water preparation device and its ultra-pure water preparation method |
| CN105016504A (en) * | 2015-07-14 | 2015-11-04 | 无锡市绿之星环保有限公司 | Multi-layer oil-water separator and working method therefor |
| CN106630353A (en) * | 2016-12-28 | 2017-05-10 | 中海油能源发展股份有限公司珠海冷能利用分公司 | Method and device for preparing supplied water of ship boiler by seawater |
| CN107162127A (en) * | 2017-07-24 | 2017-09-15 | 赵寰宇 | A kind of electric deionizer |
| CN115448429A (en) * | 2022-09-22 | 2022-12-09 | 河北工程大学 | A monovalent selective bipolar membrane electrodialysis device and method for treating high-salt wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGXIN GUONENG ENVIRONMENTAL PROTECTION Free format text: FORMER OWNER: BEIJING GUODIAN SHENGYUAN ELECTRIC POWER TECHNOLOGY AND ENGINEERING CO., LTD. Effective date: 20130308 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100070 FENGTAI, BEIJING TO: 100081 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130308 Address after: 100081 room 7, building 13, Huayuan Road 807, Haidian District, Beijing, China Patentee after: Beijing Zhongxin Guoneng Environmental Protection Technology Co., Ltd. Address before: 100070, Beijing, Fengtai District, No. 188 South Fourth Ring Road headquarters base, No. 12, zone 5, building 3 Patentee before: Beijing Guodian Shengyuan Electric Power Technology and Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |