CN215924484U - Electrodialysis device for treating high-concentration brine - Google Patents
Electrodialysis device for treating high-concentration brine Download PDFInfo
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- CN215924484U CN215924484U CN202121794073.4U CN202121794073U CN215924484U CN 215924484 U CN215924484 U CN 215924484U CN 202121794073 U CN202121794073 U CN 202121794073U CN 215924484 U CN215924484 U CN 215924484U
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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
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- Y02A20/124—Water desalination
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Abstract
The utility model discloses an electrodialysis device for treating high-concentration brine, which comprises an electrodialysis box body; the outer wall of one side of the electrodialysis box body is connected with a water inlet through a bolt; the outer wall of the other side of the electrodialysis box body is connected with a desalted water outlet through a bolt; the outer wall of the other side of the electrodialysis box body is connected with concentrated water outlets which are uniformly distributed through bolts; the inner wall of one side of the water inlet is fixedly connected with a filtering and screening net; the material of the filtering and screening net is active carbon; the inner wall of the bottom end of the electrodialysis box body is fixedly connected with uniformly distributed stirring mechanisms; the inner wall of the top end of the electrodialysis box body is fixedly connected with limit connecting columns which are uniformly distributed. According to the utility model, high-concentration brine enters the electrodialysis box body from the water inlet, and when passing through the filtering and screening net in the water inlet, the filtering and screening net made of activated carbon blocks large-sized particle impurities on one hand, and adsorbs organic matters in the high-concentration brine on the other hand, so that the ion exchange membranes are prevented from being blocked.
Description
Technical Field
The utility model belongs to the technical field of electrodialysis, and particularly relates to an electrodialysis device for treating high-concentration brine.
Background
A method of separating different solute particles by using selective permeability of a semi-permeable membrane is called dialysis, and when dialysis is performed under an electric field, a phenomenon that charged solute particles in a solution migrate through a membrane is called electrodialysis.
Through retrieval, chinese patent application No. CN201410855405.3 discloses an electrodialysis electrode plate for treating high-concentration brine, wherein one side of the electrodialysis electrode plate is a baffling curved surface.
An electrodialysis electrode plate for treating highly concentrated brine in the above patent has the following disadvantages: the electrodialysis device for treating high-concentration brine has the advantages that a large amount of organic matters are adhered to the ion exchange membrane when the electrodialysis device is used for treating high-concentration brine, ions can easily penetrate through the ion exchange membrane when the electrodialysis device is operated for a long time, and the electrodialysis effect of the high-concentration brine is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that when an electrodialysis device for treating high-concentration brine in the prior art is used for treating the high-concentration brine, a large amount of organic matters are adhered to an ion exchange membrane, and the electrodialysis effect of the high-concentration brine is influenced because ions penetrate through the ion exchange membrane easily when the electrodialysis device is operated for a long time.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an electrodialysis unit for treating highly concentrated brine, comprising an electrodialysis box; the outer wall of one side of the electrodialysis box body is connected with a water inlet through a bolt; the outer wall of the other side of the electrodialysis box body is connected with a desalted water outlet through a bolt; the outer wall of the other side of the electrodialysis box body is connected with concentrated water outlets which are uniformly distributed through bolts.
As a still further scheme of the utility model: the inner wall of one side of the water inlet is fixedly connected with a filtering and screening net; the material of the filtering and screening net is active carbon.
As a still further scheme of the utility model: and the inner wall of the bottom end of the electrodialysis box body is fixedly connected with uniformly distributed stirring mechanisms.
As a still further scheme of the utility model: the inner wall of the top end of the electrodialysis box body is fixedly connected with limit connecting columns which are uniformly distributed.
As a still further scheme of the utility model: the inner wall of one side of the electrodialysis box body is fixedly connected with an anode plate assembly; the inner wall of the other side of the electrodialysis box body is fixedly connected with a cathode plate component.
As a still further scheme of the utility model: the inner walls of two adjacent sides of the electrodialysis box body are fixedly connected with anion exchange membranes; the inner walls of two adjacent sides of the electrodialysis box body are fixedly connected with cation exchange membranes; the lengths of the anion exchange membrane and the cation exchange membrane are greater than that of the electrodialysis box body.
As a still further scheme of the utility model: the stirring mechanism comprises a supporting connecting column, a rotary connecting ring, a convex block, a telescopic connecting plate, an arc-shaped block and a telescopic spring; the outer wall of the bottom end of the supporting connecting column is fixedly connected to the inner wall of the bottom end of the electrodialysis box body.
As a still further scheme of the utility model: the inner wall of one side of the rotary connecting ring is rotatably connected with the peripheral outer wall of the support connecting column; the outer wall of one side of the convex block is fixedly connected with the inner wall of one side of the rotary connecting ring; the inner wall of one side of the convex block is provided with an internal groove; the outer wall of one side of the extension spring is fixedly connected with the inner wall of one side of the built-in groove; the outer wall of the other side of the extension spring is fixedly connected with the outer wall of one side of the extension connecting plate; the peripheral outer walls of the telescopic connecting plates are slidably connected with the inner wall of one side of the convex block; the outer wall of one side of the arc-shaped block is fixedly connected with the outer wall of the other side of the telescopic connecting plate.
Compared with the prior art, the utility model provides an electrodialysis device for treating high-concentration brine, which has the following beneficial effects:
1. according to the utility model, high-concentration brine enters the electrodialysis box body from the water inlet, and when passing through the filtering and screening net in the water inlet, the filtering and screening net made of activated carbon blocks large-sized particle impurities on one hand, and adsorbs organic matters in the high-concentration brine on the other hand, so that the ion exchange membranes are prevented from being blocked.
2. In the design of the utility model, the lengths of the anion exchange membrane and the cation exchange membrane are larger than the length of the electrodialysis box body, so that the anion exchange membrane and the cation exchange membrane have elasticity in the solution, when organic matters are adhered to the anion exchange membrane and the cation exchange membrane, the anion exchange membrane and the cation exchange membrane enable the organic matters to be separated through swinging, the anion exchange membrane and the cation exchange membrane are further prevented from being blocked, and the limiting connecting column supports the electrodialysis box body on the one hand.
3. The design of the utility model is that under the action of water flow, the convex block and the rotary connecting ring are pushed to rotate, so that the telescopic connecting plate and the arc block swing the anion exchange membrane and the cation exchange membrane, the separation of organic matters on the anion exchange membrane and the cation exchange membrane is accelerated, the arc block can reduce the abrasion of the arc block on the anion exchange membrane and the cation exchange membrane, the service life of the device is prolonged, when the rotary connecting ring and the convex block rotate, the telescopic spring extends outwards under the action of centrifugal force, the extending distance of the telescopic connecting plate is prolonged, and the swing effect is improved.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic view showing the overall structure of an electrodialysis apparatus for treating highly concentrated brine according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a water inlet of an electrodialysis device for treating high-concentration brine;
fig. 3 is a schematic view of the internal form of an electrodialysis box of an electrodialysis device for treating high-concentration brine according to the utility model;
fig. 4 is a schematic cross-sectional view of an agitation mechanism of an electrodialysis apparatus for treating high concentration brine according to the present invention.
In the figure: 1-an electrodialysis box body; 2-a water inlet; 3-a concentrated water outlet; 4-a desalted water outlet; 5-filtering and screening the net; 6-positive plate assembly; 7-a stirring mechanism; 701-supporting connecting columns; 702-rotating a link; 703-raised blocks; 704-expansion connecting plate; 705-arc block; 706-a telescoping spring; 707-built-in slot; 8-anion exchange membranes; 9-cation exchange membranes; 10-limiting connecting columns; 11 cathode plate assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
an electrodialysis unit for treating highly concentrated brine, as shown in fig. 1, comprises an electrodialysis compartment 1; the outer wall of one side of the electrodialysis box body 1 is connected with a water inlet 2 through a bolt; the outer wall of the other side of the electrodialysis box body 1 is connected with a desalted water outlet 4 through a bolt; the outer wall of the other side of the electrodialysis box body 1 is connected with concentrated water outlets 3 which are uniformly distributed through bolts.
In order to prevent organic matters in high concentration from blocking the ion exchange membrane, as shown in fig. 2, a filtering and screening net 5 is fixedly connected to the inner wall of one side of the water inlet 2; the material of the filtering and screening net 5 is active carbon; high concentration salt solution gets into electrodialysis box 1 inside from water inlet 2 to when the inside filtration screening net 5 of water inlet 2, the material is that the filtration screening net 5 of active carbon blocks large-scale particle impurity outside on the one hand, and on the other hand adsorbs the organic matter in the high concentration salt solution, prevents that it from blockking up ion exchange membrane.
In order to ensure the normal operation of the device, as shown in fig. 3, the inner wall of the bottom end of the electrodialysis box body 1 is fixedly connected with uniformly distributed stirring mechanisms 7; the inner wall of the top end of the electrodialysis box body 1 is fixedly connected with evenly distributed limiting connecting columns 10; the inner wall of one side of the electrodialysis box body 1 is fixedly connected with an anode plate component 6; the inner wall of the other side of the electrodialysis box body 1 is fixedly connected with a cathode plate assembly 11; the inner walls of two adjacent sides of the electrodialysis box body 1 are fixedly connected with anion exchange membranes 8; the inner walls of two adjacent sides of the electrodialysis box body 1 are fixedly connected with cation exchange membranes 9; the lengths of the anion exchange membrane 8 and the cation exchange membrane 9 are greater than the length of the electrodialysis box body 1; the lengths of the anion exchange membrane 8 and the cation exchange membrane 9 are greater than the length of the electrodialysis box body 1, so that the anion exchange membrane 8 and the cation exchange membrane 9 have elasticity in solution, when organic matters are adhered to the anion exchange membrane 8 and the cation exchange membrane 9, the anion exchange membrane 8 and the cation exchange membrane 9 enable the organic matters to be separated through swinging, the anion exchange membrane 8 and the cation exchange membrane 9 are further prevented from being blocked, on one hand, the electrodialysis box body 1 is supported by the limiting connecting columns 10, on the other hand, the anion exchange membrane 8 and the cation exchange membrane 9 are prevented from being damaged due to the fact that the swinging amplitude of the anion exchange membrane 8 and the cation exchange membrane 9 is too large, the safety of the device is improved, the agitating mechanism 7 can assist the anion exchange membrane 8 and the cation exchange membrane 9 to swing, and the speed of separating the organic matters from the anion exchange membrane 8 and the cation exchange membrane 9 is accelerated, the practicability of the device is improved.
When the device is used, high-concentration brine enters the electrodialysis box body 1 from the water inlet 2, and when the high-concentration brine passes through the filtering and screening net 5 in the water inlet 2, the filtering and screening net 5 made of activated carbon blocks large-scale particle impurities outside on the one hand, and adsorbs organic matters in the high-concentration brine on the other hand to prevent the organic matters from blocking an ion exchange membrane, when the high-concentration brine enters the electrodialysis box body 1, sodium ions reach one side close to the anode plate assembly 6 through the anion exchange membrane 8 under the action of the anode plate assembly 6, chloride ions reach one side close to the cathode plate assembly 11 through the cation exchange membrane 9 under the action of the cathode plate assembly 11, and when the organic matters are adhered to the anion exchange membrane 8 and the cation exchange membrane 9, the anion exchange membrane 8 and the cation exchange membrane 9 separate the organic matters through swinging, so as to further prevent the anion exchange membrane 8 and the cation exchange membrane 9, The cation exchange membrane 9 is blocked, the limiting connecting column 10 supports the electrodialysis box body 1 on the one hand, on the other hand, the anion exchange membrane 8 and the cation exchange membrane 9 are prevented from being damaged due to the fact that the swing amplitude of the anion exchange membrane 8 and the cation exchange membrane 9 is too large, the safety of the device is improved, the mechanism 7 for stirring can assist the anion exchange membrane 8 and the cation exchange membrane 9 to swing, the speed of separating organic matters from the anion exchange membrane 8 and the cation exchange membrane 9 is accelerated, the practicability of the device is improved, finally, desalted water is discharged from the desalted water outlet 4, and concentrated water is discharged from the concentrated water outlet 3.
Example two:
in order to ensure the swinging effect of the agitating mechanism 7 on the anion exchange membrane 8 and the cation exchange membrane 9, the electrodialysis device for treating high-concentration brine as shown in fig. 4 makes the following additions on the basis of the first embodiment: the stirring mechanism 7 comprises a supporting connecting column 701, a rotating connecting ring 702, a convex block 703, a telescopic connecting plate 704, an arc-shaped block 705 and a telescopic spring 706; the outer wall of the bottom end of the supporting connecting column 701 is fixedly connected to the inner wall of the bottom end of the electrodialysis box body 1.
In order to ensure that the agitating mechanism 7 oscillates the anion exchange membrane 8 and the cation exchange membrane 9 and prevent the anion exchange membrane 8 and the cation exchange membrane 9 from being damaged, as shown in fig. 4, the inner wall of one side of the rotating link 702 is rotatably connected to the peripheral outer wall of the support link column 701; the outer wall of one side of the convex block 703 is fixedly connected with the inner wall of one side of the rotary connecting ring 702; the inner wall of one side of the convex block 703 is provided with an internal groove 707; the outer wall of one side of the extension spring 706 is fixedly connected with the inner wall of one side of the built-in groove 707; the outer wall of the other side of the extension spring 706 is fixedly connected with the outer wall of one side of the extension connecting plate 704; the peripheral outer wall of the telescopic connecting plate 704 is connected with the inner wall of one side of the convex block 703 in a sliding way; the outer wall of one side of the arc block 705 is fixedly connected with the outer wall of the other side of the telescopic connecting plate 704; under the effect of rivers, promote protruding piece 703, rotatory interlinkage 702 rotates, thereby make flexible link 704, arc 705 is to anion exchange membrane 8, cation exchange membrane 9 swings, accelerate anion exchange membrane 8, the last organic matter of cation exchange membrane 9 breaks away from, arc 705 can reduce its wearing and tearing to anion exchange membrane 8, cation exchange membrane 9, the life-span of extension fixture, at rotatory interlinkage 702, protruding piece 703 is rotatory, expanding spring 706 stretches out under the effect of centrifugal force, make the distance that flexible link 704 stretches out lengthen, improve the swing effect.
This embodiment is when using, under the effect of rivers, promote protruding piece 703, rotatory interlink 702 rotates, thereby make flexible interlink 704, arc 705 is to anion exchange membrane 8, cation exchange membrane 9 swings, accelerate anion exchange membrane 8, organic matter breaks away from on the cation exchange membrane 9, arc 705 can reduce its wearing and tearing to anion exchange membrane 8, cation exchange membrane 9, the life-span of extension fixture, at rotatory interlink 702, protruding piece 703 is rotatory, expanding spring 706 outwards stretches out under the effect of centrifugal force, make the distance that flexible interlink 704 stretches out lengthen, improve the swing effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. An electrodialysis device for treating high-concentration brine comprises an electrodialysis box body (1), and is characterized in that the outer wall of one side of the electrodialysis box body (1) is connected with a water inlet (2) through a bolt; the outer wall of the other side of the electrodialysis box body (1) is connected with a desalted water outlet (4) through a bolt; the outer wall of the other side of the electrodialysis box body (1) is connected with concentrated water outlets (3) which are uniformly distributed through bolts.
2. Electrodialysis unit for treating highly concentrated brine according to claim 1, wherein a filtering and screening net (5) is fixedly connected to the inner wall of the water inlet (2); the material of the filtering and screening net (5) is active carbon.
3. Electrodialysis unit for treating highly concentrated brine according to claim 2, wherein the bottom inner wall of the electrodialysis compartment (1) is fixedly connected with uniformly distributed agitating mechanisms (7).
4. Electrodialysis unit for treating highly concentrated brine according to claim 3, wherein the top inner wall of the electrodialysis box (1) is fixedly connected with evenly distributed limiting connecting columns (10).
5. Electrodialysis unit for treating highly concentrated brine according to claim 4, wherein a positive plate assembly (6) is fixedly connected to the inner wall of one side of the electrodialysis box body (1); the inner wall of the other side of the electrodialysis box body (1) is fixedly connected with a cathode plate component (11).
6. Electrodialysis unit for treating highly concentrated brine according to claim 5, wherein the adjacent two inner walls of the electrodialysis box (1) are fixedly connected with anion exchange membranes (8); the inner walls of two adjacent sides of the electrodialysis box body (1) are fixedly connected with cation exchange membranes (9); the lengths of the anion exchange membrane (8) and the cation exchange membrane (9) are greater than that of the electrodialysis box body (1).
7. Electrodialysis unit for treating highly concentrated brine according to claim 6, wherein the agitation mechanism (7) comprises support pillars (701), rotary links (702), raised blocks (703), telescopic links (704), arc blocks (705), telescopic springs (706); the outer wall of the bottom end of the supporting connecting column (701) is fixedly connected with the inner wall of the bottom end of the electrodialysis box body (1).
8. Electrodialysis unit for treating highly concentrated brine according to claim 7, wherein the inner wall of one side of the rotary link (702) is rotatably connected to the outer wall of the periphery of the support link (701); the outer wall of one side of the convex block (703) is fixedly connected with the inner wall of one side of the rotary connecting ring (702); an inner wall of one side of the convex block (703) is provided with a built-in groove (707); the outer wall of one side of the extension spring (706) is fixedly connected with the inner wall of one side of the built-in groove (707); the outer wall of the other side of the extension spring (706) is fixedly connected with the outer wall of one side of the extension connecting plate (704); the peripheral outer wall of the telescopic connecting plate (704) is connected with the inner wall of one side of the convex block (703) in a sliding way; the outer wall of one side of the arc-shaped block (705) is fixedly connected with the outer wall of the other side of the telescopic connecting plate (704).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021209417913 | 2021-05-06 | ||
| CN202120941791 | 2021-05-06 |
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| CN215924484U true CN215924484U (en) | 2022-03-01 |
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| CN202121794073.4U Active CN215924484U (en) | 2021-05-06 | 2021-08-03 | Electrodialysis device for treating high-concentration brine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066236A1 (en) * | 2022-09-28 | 2024-04-04 | 广东邦普循环科技有限公司 | Four-channel electrodialysis apparatus for lithium extraction from salt lake |
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2021
- 2021-08-03 CN CN202121794073.4U patent/CN215924484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066236A1 (en) * | 2022-09-28 | 2024-04-04 | 广东邦普循环科技有限公司 | Four-channel electrodialysis apparatus for lithium extraction from salt lake |
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