CN1704344A - Electric deionizer of condensed water chamber without inert filter - Google Patents
Electric deionizer of condensed water chamber without inert filter Download PDFInfo
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- CN1704344A CN1704344A CN 200410024718 CN200410024718A CN1704344A CN 1704344 A CN1704344 A CN 1704344A CN 200410024718 CN200410024718 CN 200410024718 CN 200410024718 A CN200410024718 A CN 200410024718A CN 1704344 A CN1704344 A CN 1704344A
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- exchange membrane
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Abstract
The invention provides the improvement of thick water chamber structure for electric deionizers, which includes a positive and a negative exchange membrane arranged between the two electrode, the ion exchange membrane is provided with a plurality of projected ribs on one side, while the other side being a plane surface, a dense water chamber is formed between the convex surfaces of the ion exchange membranes, and a fresh water chamber is formed between the adjacent outer surface.
Description
Technical field
The present invention relates to a kind of electric deionizing device, especially relate to a kind of improvement of the dense hydroecium structure to electric deionizing device in the membrane separation technique field.
Background technology
The electrodeionization process is under the DC electric field effect, utilizes the selection perviousness of yin, yang ion-exchange membrane to zwitterion in the solution, makes ion transfer to the membrane sepn process of another kind of solution from a kind of solution.And placement anion-cation exchange resin has wherein quickened the ion directional migration speed in the solution, has strengthened the purification effect of low concentration solution.Because the structure of anion-cation exchange resin film has important effect for the performance of electric deionizing device, the applicant also once did some researchs to this, " concave-convex type equal thickness ion-exchange membrane " patent for example by name has proposed a kind of two-sided concave-convex type ion-exchange membrane structure.But, in existing electric deionizer, between a pair of anion and cation exchange membrane, sandwich an inertia filter and form dense hydroecium, normally rely on contained ionic conduction in the dense water, form electric field.When the water inlet ions content was not enough, relatively more conventional way was additionally with salt, to improve the specific conductivity of dense hydroecium in dense hydroecium, reduce membrane stack resistance, still, even like this, dense hydroecium internal resistance is still higher relatively, and the work power consumption is higher, and technology is comparatively complicated.And U.S. Pat 6284124 discloses a kind of electric deionizer, in dense hydroecium, be filled with ion exchange resin, to improve the specific conductivity of dense hydroecium, thereby improve the deionization performance of whole device, but so structure configuration, make that dense hydroecium take up space and freshwater room are suitable substantially, the space of freshwater room in the unit volume of device is dwindled relatively, thereby cause water production rate to reduce.The present invention aims to provide a kind of working resistance that reduces, and cuts down the consumption of energy, and can increase the useful space of freshwater room in the unit volume, thereby reach the electric deionizing device of a kind of dense hydroecium inertialess filter that improves water-yielding capacity.
Summary of the invention
The present invention mainly is that working resistance is higher relatively in the dense hydroecium of solution existing in prior technology, and the work energy consumption is higher; And, the space of freshwater room in the unit volume of device is dwindled relatively, thereby the technical problem that causes water-yielding capacity to reduce because the institute of dense hydroecium takes up space.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of electric deionizing device of dense hydroecium inertialess filter, comprise positive and negative electrode and be located at the two interelectrode anion and cation exchange membranes of alternately arranging, constitute dense hydroecium and freshwater room therebetween respectively, it is characterized in that described ion-exchange membrane is provided with the some convex tendons that are arranged in whole for one side, be recessed groove therebetween, another side then is a planar single face concave-convex type ion-exchange membrane; And two single face concave-convex type anion and cation exchange membranes inwardly partner convex surface respectively and directly contact mutually, constitute dense hydroecium therebetween; And constitute freshwater room between the outerplanar of two pairs of adjacent single face concave-convex type ion-exchange membranees, fill therebetween and be equipped with ion exchange resin.Described direct contact also comprises phase neighbour between the two except two concave-convex type anion and cation exchange membranes closely directly contact, need not to sandwich the various occasions of inertia filter therebetween.
As preferably, the convex tendon width of described single face concave-convex type ion-exchange membrane is 1-3mm; The recessed groove width is 2-5mm.Simultaneously, the cross section of the convex tendon of described single face concave-convex type ion-exchange membrane and groove is rectangular substantially; The thickness of described single face concave-convex type ion-exchange membrane is 0.3-1.0mm, and it is 0.2-0.8mm that convex tendon exceeds the face height.Above-mentioned two groups of technology essential factors can be used separately, also can adopt individually, in the hope of when having bigger surface-area, also have cost performance preferably.
As preferably, be 30 °-60 ° angle between the convex tendon axis of described single face concave-convex type ion-exchange membrane and the sideline of ion-exchange membrane.
Under common occasion, the film bag outer rim spacing of described every group of single face concave-convex type ion-exchange membrane is 1.0-3.6, and the convex tendon or the plane of its inner rim setting interlaced with each other get together tightly mutually.Soon the volume-diminished of dense hydroecium is to as far as possible little value therebetween, and dense hydroecium therebetween can be as small as the network-like groove equal-volume that only stays.A kind of preferred construction scheme is: the ratio of the volume of the freshwater room between the volume of the dense hydroecium in every group of single face concave-convex type ion-exchange membrane and described each group only is 1: 2-1: 8.Owing to significantly reduced the volume of dense hydroecium, and increased the volume of freshwater room, helped improving the product water-based energy and the usefulness of complete machine.
As preferably, described single face concave-convex type ion-exchange membrane is divided into anion-exchange membrane and cationic exchange membrane, both convex tendons linearly or corrugated, convex surface inwardly is superimposed together, and last film is staggered layout with the described convex tendon straight line or the ripple of following film, and the ion-exchange membrane surrounding is is then filled and led up by coating and linked into an integrated entity.
Described single face concave-convex type ion-exchange membrane is divided into anion-exchange membrane and cationic exchange membrane, both convex tendons inwardly partner, and the linearity convex tendon of linearly convex tendon and another film is and intersects layout, the ion-exchange membrane surrounding is is then filled and led up by coating, is arranged in pairs in the framework of electric deionizing device.Perhaps, the side of described single face concave-convex type ion-exchange membrane can there be the limit involution each other that is no less than two, be bag (tube) shape, be arranged in pairs in the framework of electric deionizing device.
Wherein, described both convex tendon also can be corrugated, and convex surface inwardly is superimposed together, and the described convex tendon ripple of going up film and following film is staggered layout, and the ion-exchange membrane surrounding is is then filled and led up by coating, is arranged in pairs in the framework of membrane separation apparatus.
Described single face concave-convex type ion-exchange membrane is divided into anion-exchange membrane and cationic exchange membrane, and both convex surfaces inwardly partner, and the described convex tendon of a film and the described convex tendon of another film be and intersect layout, constitutes dense hydroecium; Plane that it is outside and the outside plane of adjacent a pair of ion-exchange membrane constitute freshwater room.
Described inside by convex surface, and the described convex tendon of a film and the described convex tendon of another film be and intersect the dense hydroecium that a pair of ion-exchange membrane arranged constitutes, its face is in contact with one another, and the centre does not sandwich the inertia filter, so dense water need not with salt when work in the back of growing up to be a useful person.
Certainly, structure that described electric deionizing device can be made stacked (being plate and frame) also can be made spiral wound configuration.
Therefore, the present invention has following characteristics: the dense hydroecium film surface-area that is constituted increases, and penetration fact also increases, and has improved transfer efficiency; And two films directly contact, and the runner internal resistance is low, and the work energy consumption is low; Two faces are the plane in the freshwater room that is constituted, and flow resistance is little, produce water water outlet smoothness; Two faces are in contact with one another in the dense hydroecium, greatly reduce the space that dense hydroecium accounts for whole electric deionizer, thereby can improve the useful space of freshwater room in the unit volume, put forward the high yield water water yield.The present invention can be used for the plate and frame water treating device, also can be used for the rolling water treating device, is applicable to desalination in the industries such as electronics, electric power, chemical industry, medicine, food, light industry, heavy industry and environmental protection, pure water preparation, separate to purify and water such as utilizes again at the aspect.
Description of drawings
Accompanying drawing 1 is the synoptic diagram of a kind of spiral wound configuration of the present invention;
Accompanying drawing 2 is another kind of structural representations of the present invention;
Accompanying drawing 3 is a kind of single face concave-convex type ion-exchange membrane synoptic diagram of the present invention;
Accompanying drawing 4 is A-A sectional views of accompanying drawing 3;
Accompanying drawing 6 is B-B sectional views of accompanying drawing 5.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: a kind of electric deionizing device (referring to Fig. 1) of dense hydroecium inertialess filter belongs to the membrane sepn field.With the dense water pipe 5 in center is the center, and single face concave-convex type ion-exchange membrane is rolled into cylindrical shape, alternately is arranged among the cylindrical metal housing 1, and whole device is rolled structure in the shape of a spiral.The one side of single face concave-convex type ion-exchange membrane 8 is provided with the some bar shaped convex tendons 81 that are arranged in whole, is recessed groove 82 therebetween; And be plane (referring to accompanying drawing 4) at another side.Described ion-exchange membrane is divided into anion-exchange membrane and cationic exchange membrane, and both convex tendons inwardly partner, and constitutes the dense hydroecium 2 of electric deionizing device, and the described convex tendon of a film and the described convex tendon of another film be and intersect layout, and two faces are in contact with one another; And the plane of two pairs of single face concave-convex type ion-exchange membranees then constitutes freshwater room 3, filling ion-exchange resin 4 (referring to accompanying drawing 2) in it.The ion-exchange membrane surrounding is is then filled and led up by coating, and conjugate spirals is arranged in the cylindrical electric deionizing device.One electrode of the dense water pipe 5 double as electric deionizing devices in center, and place metal shell 1 outside it as another electrode.The honeycomb duct honeycomb duct on the ion-exchange membrane two sides of present embodiment is staggered along its length, uniform distribution, does not sandwich the inertia filter in the runner, need not with salt or filling ion-exchange resin, and the honeycomb duct cross section is rectangular.
Embodiment 2: a kind of electric deionizing device of dense hydroecium inertialess filter belongs to the membrane sepn field.Some groups of single face concave-convex type ion-exchange membrane groups are between the positive pole 11 and negative pole 15 that the lamination shape alternately is arranged in DC electrode, and whole device is plate and frame structure (referring to accompanying drawing 2).The one side of single face concave-convex type ion-exchange membrane is provided with and is covered with some waveform convex tendons 81 of whole, is recessed groove 82 therebetween; And be plane 80 (referring to accompanying drawing 5 or accompanying drawing 6) at another side.Described ion-exchange membrane is divided into anion-exchange membrane and cationic exchange membrane, and both convex tendons inwardly partner, and constitutes the dense hydroecium 2 of electric deionizing device, and the described convex tendon of a film and the described convex tendon of another film be and intersect layout, and two faces are in contact with one another; And the plane of two pairs of single face concave-convex type ion-exchange membranees then constitutes freshwater room 3, filling ion-exchange resin 4 (referring to accompanying drawing 2) in it.The ion-exchange membrane surrounding is is then filled and led up by coating, is arranged in pairs on the framework of membrane separation apparatus.The honeycomb duct on the ion-exchange membrane two sides of present embodiment is staggered to diagonally distribute, and does not sandwich the inertia filter in the runner, need not with salt or filling ion-exchange resin, and the honeycomb duct cross section is rectangular.
The present invention is applicable to aspects such as desalination in the industries such as electronics, electric power, chemical industry, medicine, food, light industry, heavy industry and environmental protection, pure water preparation, separation purification and water utilize again.
Claims (11)
1. the electric deionizing device of a dense hydroecium inertialess filter, comprise positive and negative electrode and be located at the two interelectrode anion and cation exchange membranes of alternately arranging, constitute dense hydroecium and freshwater room therebetween respectively, it is characterized in that described ion-exchange membrane is provided with the some convex tendons (81) that are arranged in whole for one side, be recessed groove (82) therebetween, another side then is a planar single face concave-convex type ion-exchange membrane (8); And two single face concave-convex type anion and cation exchange membranes inwardly partner convex surface respectively and directly contact mutually, constitute dense hydroecium (2) therebetween; And constitute freshwater room (3) between the outerplanar of two pairs of adjacent single face concave-convex type ion-exchange membranees, fill therebetween and be equipped with ion exchange resin.
2. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 1 is characterized in that the convex tendon width at described single face concave-convex type ion-exchange membrane is 1-3mm; The recessed groove width is 2-5mm.
3. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 1 and 2 is characterized in that in the cross section of the convex tendon of described single face concave-convex type ion-exchange membrane and groove rectangular substantially; The thickness of described single face concave-convex type ion-exchange membrane is 0.3-1.0mm, and it is 0.2-0.8mm that convex tendon exceeds the face height.
4. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 1 and 2 is characterized in that being 30 °-60 ° angle between the sideline of the convex tendon axis of described single face concave-convex type ion-exchange membrane and ion-exchange membrane.
5. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 1 and 2, the film bag outer rim spacing that it is characterized in that every group of single face concave-convex type ion-exchange membrane is 1.0-3.6, and the convex tendon or the plane of its inner rim setting interlaced with each other get together tightly mutually.
6. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 3 is characterized in that the film bag outer rim spacing of every group of single face concave-convex type ion-exchange membrane is 1.0-3.6, and the convex tendon or the plane of its inner rim setting interlaced with each other get together tightly mutually.
7. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 4 is characterized in that the film bag outer rim spacing of every group of single face concave-convex type ion-exchange membrane is 1.0-3.6, and the convex tendon or the plane of its inner rim setting interlaced with each other get together tightly mutually.
8. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 1 and 2 is characterized in that the volume of the dense hydroecium in every group of single face concave-convex type ion-exchange membrane and the described respectively ratio of the volume of the freshwater room between group are 1: 2-1: 8.
9. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 3 is characterized in that the volume of the dense hydroecium in every group of single face concave-convex type ion-exchange membrane and the described respectively ratio of the volume of the freshwater room between group are 1: 2-1: 8.
10. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 4 is characterized in that the volume of the dense hydroecium in every group of single face concave-convex type ion-exchange membrane and the described respectively ratio of the volume of the freshwater room between group are 1: 2-1: 8.
11. the electric deionizing device of a kind of dense hydroecium inertialess filter according to claim 1 and 2, it is characterized in that described single face concave-convex type ion-exchange membrane is divided into anion-exchange membrane and cationic exchange membrane, both convex tendons linearly or corrugated, convex surface inwardly is superimposed together, and last film is staggered layout with the described convex tendon straight line or the ripple of following film, and the ion-exchange membrane surrounding is is then filled and led up by coating and linked into an integrated entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100247180A CN100488888C (en) | 2004-05-25 | 2004-05-25 | Electric deionizer of condensed water chamber without inert filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100247180A CN100488888C (en) | 2004-05-25 | 2004-05-25 | Electric deionizer of condensed water chamber without inert filter |
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| Publication Number | Publication Date |
|---|---|
| CN1704344A true CN1704344A (en) | 2005-12-07 |
| CN100488888C CN100488888C (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100247180A Expired - Fee Related CN100488888C (en) | 2004-05-25 | 2004-05-25 | Electric deionizer of condensed water chamber without inert filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106999925A (en) * | 2014-11-19 | 2017-08-01 | 豪威株式会社 | The two poles of the earth ion exchange plate and its manufacture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1592010A1 (en) * | 1987-07-23 | 1990-09-15 | Proizv Ob Energoavtomatika N | Multichamber electrodialiser |
| US6241866B1 (en) | 1999-09-13 | 2001-06-05 | Leon Mir | Electrodeionization apparatus with fixed ion exchange materials |
| CN2561500Y (en) * | 2002-08-07 | 2003-07-23 | 浙江欧美环境工程有限公司 | Concavo-convex plate-frame ion exchnage film bags |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106999925A (en) * | 2014-11-19 | 2017-08-01 | 豪威株式会社 | The two poles of the earth ion exchange plate and its manufacture method |
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| CN100488888C (en) | 2009-05-20 |
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