Water distribution channel for electrodialysis

Abstract

The utility model discloses a water distribution flow channel for electrodialysis, including flow channel main part, the inside fixed mounting of flow channel main part has a plurality of baffle, all install on the inner wall between adjacent baffle coarse filter screen, all install on the inner wall of baffle of coarse filter screen side activated carbon filter screen, all install on the inner wall of baffle of activated carbon filter screen far away from coarse filter screen side perchloroethylene superfine fiber filter screen, the outer wall of flow channel main part one side is fixed with first panel, the lower end inner wall of first panel far away from flow channel main part one side is fixed mounting with rectangular flow limiting frame, the outer wall of rectangular flow limiting frame far away from first panel one side is equipped with second panel, all are equipped with support frame on the outer wall of second panel and first panel upper end, and the top of two support frames is installed with the top seat. The utility model not only has improved the purity of water source, also has reached the purpose of adjusting water source flow rate, and has improved the convenience when maintaining water distribution flow channel.

Description

Technical Field

[0001] This utility model relates to the field of electrodialysis technology, specifically to a water distribution channel for electrodialysis. Background Technology

[0002] Electrodialysis is a membrane separation technology that utilizes the selective permeability of ion exchange membranes to achieve ion separation and concentration in a solution under the action of a DC electric field. It is widely used in seawater desalination, brackish water desalination, industrial wastewater treatment, and food and pharmaceutical fields. Its core components include ion exchange membranes, electrode plates, and water distribution channels. Traditional water distribution channel designs often suffer from problems such as uneven fluid distribution, local dead zones, and excessive pressure drop, which lead to uneven flow velocity on the membrane surface and intensified concentration polarization, thereby reducing electrodialysis efficiency, increasing energy consumption, and shortening membrane life. Therefore, optimizing the water distribution channel structure is of great significance for improving electrodialysis performance.

[0003] Referring to the CN222550606U specification, a water distribution channel for electrodialysis includes a channel body. One side of the channel body has multiple first fluid channels spaced apart, with a channel support layer between adjacent first fluid channels. The other side of the channel body has multiple second fluid channels spaced apart, with another channel support layer between adjacent second fluid channels. In this water distribution channel, the ion exchange membrane and the first or second fluid channels form a cavity for fluid flow, preventing local collapse or rupture of the ion exchange membrane. This ensures uniform distribution of the feed solution within the channel body, eliminating dead zones and preventing localized heating of the membrane stack, which could damage the ion exchange membrane and separators. The first and second fluid channels are fully sealed to the ion exchange membrane, preventing cross-seepage of the feed solution within the dialysis device. While this water distribution channel can be well applied, it is generally not suitable for multi-stage filtration of flowing water, making it difficult to ensure water purity, and further improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide a water distribution channel for electrodialysis, in order to solve the problem that although the water distribution channel mentioned in the background art can be well applied, it is usually not convenient to perform multi-stage filtration of flowing water, thus making it difficult to ensure the purity of the water source.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a water distribution channel for electrodialysis, comprising a channel body, wherein a plurality of partitions are fixedly installed inside the channel body, and coarse filter screens are installed on the inner walls between adjacent partitions, activated carbon filter screens are installed on the inner walls of the partitions on the side of the coarse filter screens, and perchlorinated ultrafine fiber filter screens are installed on the inner walls of the partitions on the side of the activated carbon filter screens away from the coarse filter screens, a first panel is fixedly installed on the outer wall of one side of the channel body, a rectangular flow-limiting frame is fixedly installed on the lower inner wall of the first panel on the side away from the channel body, a second panel is provided on the outer wall of the rectangular flow-limiting frame on the side away from the first panel, and support frames are provided on the upper outer walls of both the second panel and the first panel, with top seats installed at the top of the two support frames.

[0006] Preferably, a nut seat is provided at the center of the top of the top seat, and rectangular through grooves are provided at the lower ends of the first panel and the second panel. The nut seat is provided to accommodate the screw.

[0007] Preferably, the inner walls on both sides of the rectangular flow limiting frame are provided with limiting grooves, and the rectangular flow limiting frame at the position of the rectangular through groove is provided with a flow limiting cavity. The limiting grooves are provided to limit the movement range of the flow limiting plate.

[0008] Preferably, a flow limiting plate is movably installed inside the flow limiting cavity, the top of the flow limiting plate extends to the outside of the rectangular flow limiting frame, and the outer walls on both sides of the flow limiting plate are slidably connected to the limiting groove. The flow limiting plate is provided to adjust the opening and closing size of the flow limiting cavity.

[0009] Preferably, a connecting frame is fixedly installed at the center of the top of the flow restrictor plate, a screw is installed on the internal thread of the nut seat, the bottom end of the screw extends to the outside of the nut seat and is rotatably connected to the top of the connecting frame, and the top end of the screw extends to the outside of the nut seat and is equipped with a rotating handle, so as to drive the screw to rotate by rotating the rotating handle.

[0010] Preferably, side connecting plates are fixed to the surface of the first panel on both sides of the flow channel body. The inner wall of the side connecting plate contacts the outer wall of the flow channel body. Two locking bolts are installed on the outer wall of the side connecting plate. One end of the locking bolt passes through the side connecting plate and is threaded to the outer wall of the flow channel body. By passing through the side connecting plate and screwing into the outer wall of the flow channel body, the flow channel body can be installed on the surface of the first panel.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the water distribution channel for electrodialysis not only improves the purity of the water source, but also achieves the purpose of regulating the water flow rate, and improves the convenience of water distribution channel maintenance.

[0012] (1) A coarse filter screen, an activated carbon filter screen, and a perchlorated ultrafine fiber filter screen are installed sequentially on the inner wall between adjacent partitions. The inner side of the main flow channel between adjacent partitions is the flow channel. When water flows into the flow channel, the coarse filter screen, the activated carbon filter screen, and the perchlorated ultrafine fiber filter screen filter the water in sequence, thereby improving the purity of the water.

[0013] (2) By rotating the handle, the driving screw is rotated and slid inside the nut seat, so that the screw drives the flow limiting plate to rise and fall through the connecting frame, and the outer walls on both sides of the flow limiting plate slide up and down inside the limiting groove to adjust the opening and closing size of the flow limiting cavity, thereby achieving the purpose of regulating the water flow rate.

[0014] (3) By using a tool to tighten the locking bolt, one end of the locking bolt can be inserted through the side connecting plate and screwed into the outer wall of the main body of the flow channel, so that the main body of the flow channel can be installed on the lower end of the surface of the first panel. If one end of the locking bolt is screwed out to the outside of the main body of the flow channel, the main body of the flow channel can be removed from the surface of the first panel. Because it is easy to disassemble and assemble the main body of the flow channel and the first panel, the convenience of water distribution flow channel maintenance is improved. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a front view structural diagram of the present invention;

[0017] Figure 3 This is a side view of the first panel structure of this utility model;

[0018] Figure 4 This is a side view of the rectangular current-limiting frame structure of this utility model.

[0019] In the diagram: 1. Main body of the flow channel; 2. Baffle plate; 3. Coarse filter screen; 4. Activated carbon filter screen; 5. Perchlorinated polyvinyl chloride microfiber filter screen; 6. First panel; 7. Rectangular flow limiting frame; 701. Limiting groove; 702. Flow limiting cavity; 8. Second panel; 9. Side connecting plate; 10. Locking bolt; 11. Support frame; 12. Top seat; 13. Nut seat; 14. Screw; 15. Rotary handle; 16. Connecting frame; 17. Flow limiting plate; 18. Rectangular through groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Please see Figure 1-4 An embodiment of this utility model is provided: a water distribution channel for electrodialysis, including a channel body 1, with side connecting plates 9 fixed on the surfaces of the first panel 6 on both sides of the channel body 1. The inner wall of the side connecting plate 9 contacts the outer wall of the channel body 1, and two locking bolts 10 are installed on the outer wall of the side connecting plate 9. One end of the locking bolt 10 passes through the side connecting plate 9 and is threadedly connected to the outer wall of the channel body 1.

[0022] In use, one end of the locking bolt 10 passes through the side connecting plate 9 and is screwed into the outer wall of the flow channel body 1 so that the flow channel body 1 can be installed on the surface of the first panel 6.

[0023] Several partitions 2 are fixedly installed inside the main body of the flow channel 1. Coarse filter screens 3 are installed on the inner walls between adjacent partitions 2. Activated carbon filter screens 4 are installed on the inner walls of the partitions 2 on one side of the coarse filter screen 3. Perchlorinated ultrafine fiber filter screens 5 are installed on the inner walls of the partitions 2 on the side away from the coarse filter screen 3 of the activated carbon filter screen 4. A first panel 6 is fixed on the outer wall of one side of the main body of the flow channel 1. A rectangular flow-limiting frame 7 is fixedly installed on the lower inner wall of the first panel 6 on the side away from the main body of the flow channel 1. A second panel 8 is provided on the outer wall of the rectangular flow-limiting frame 7 on the side away from the first panel 6. Support frames 11 are provided on the upper outer walls of both the second panel 8 and the first panel 6. A top seat 12 is installed at the top of the two support frames 11. A nut seat 13 is provided at the center of the top of the top of the top seat 12. A rectangular through groove 18 is provided at the lower end inside both the first panel 6 and the second panel 8.

[0024] In use, the nut seat 13 is provided to accommodate the screw 14.

[0025] Limiting grooves 701 are provided on the inner walls of both sides of the rectangular flow limiting frame 7, and a flow limiting cavity 702 is provided inside the rectangular flow limiting frame 7 at the position of the rectangular through groove 18.

[0026] In use, the movement range of the flow limiting plate 17 is limited by the setting of the limiting groove 701;

[0027] A flow limiting plate 17 is movably installed inside the flow limiting cavity 702. The top of the flow limiting plate 17 extends to the outside of the rectangular flow limiting frame 7. The outer walls on both sides of the flow limiting plate 17 are slidably connected to the limiting groove 701.

[0028] In use, the opening and closing size of the flow-limiting cavity 702 can be adjusted by setting the flow-limiting plate 17;

[0029] A connecting bracket 16 is fixedly installed at the center of the top of the flow restrictor 17. A screw 14 is installed on the internal thread of the nut seat 13. The bottom end of the screw 14 extends to the outside of the nut seat 13 and is rotatably connected to the top of the connecting bracket 16. The top end of the screw 14 extends to the outside of the nut seat 13 and is equipped with a handle 15.

[0030] In use, the screw 14 is driven to rotate by rotating the handle 15.

[0031] In this embodiment, the first step is to rotate the handle 15 to drive the screw 14 to rotate and slide inside the nut seat 13. This causes the screw 14 to drive the flow limiting plate 17 to rise and fall via the connecting frame 16. The outer walls on both sides of the flow limiting plate 17 slide up and down inside the limiting groove 701 to adjust the opening and closing size of the flow limiting cavity 702, thereby controlling the flow rate of the water source as needed. Then, a coarse filter 3, an activated carbon filter 4, and a perchlorate ultrafine fiber filter 5 are sequentially installed on the inner walls between adjacent partitions 2. The inner side of the flow channel body 1 between adjacent partitions 2 forms the flow channel. When water flows into the flow channel, the coarse filter 3 performs coarse filtration on the water in each flow channel, and the activated carbon filter 4 performs convection filtration. The water source in the channel undergoes adsorption filtration, and then the water source after secondary filtration is filtered with high precision by a perchloroethylene ultrafine fiber filter 5 to efficiently remove suspended solids and organic matter from the water source, thereby effectively improving the purity of the water source. Finally, by using a tool to tighten the locking bolt 10, one end of the locking bolt 10 passes through the side connecting plate 9 and is screwed into the outer wall of the channel body 1, the channel body 1 can be installed on the lower end of the surface of the first panel 6. If one end of the locking bolt 10 is screwed out to the outside of the channel body 1, the channel body 1 can be removed from the surface of the first panel 6. Because it is easy to disassemble and assemble the channel body 1 and the first panel 6, it is easy and convenient to disassemble and maintain the water distribution channel, thereby completing the use of the water distribution channel.

Claims

1. A water distribution channel for electrodialysis, characterized in that: The system includes a flow channel body (1), which has several partitions (2) fixedly installed inside. A coarse filter screen (3) is installed on the inner wall between adjacent partitions (2). An activated carbon filter screen (4) is installed on the inner wall of the partition (2) on one side of the coarse filter screen (3). A chlorinated polyurethane microfiber filter screen (5) is installed on the inner wall of the partition (2) on the side away from the coarse filter screen (3) of the activated carbon filter screen (4). A first panel (6) is fixed on the outer wall on one side of the flow channel body (1). A rectangular flow-limiting frame (7) is fixedly installed on the lower inner wall of the first panel (6) on the side away from the flow channel body (1). A second panel (8) is provided on the outer wall of the rectangular flow-limiting frame (7) on the side away from the first panel (6). A support frame (11) is provided on the upper outer wall of both the second panel (8) and the first panel (6). A top seat (12) is installed on the top of the two support frames (11).

2. The water distribution channel for electrodialysis according to claim 1, characterized in that: The top seat (12) is provided with a nut seat (13) at the center of its top end, and the lower ends of the first panel (6) and the second panel (8) are provided with rectangular through grooves (18).

3. A water distribution channel for electrodialysis according to claim 2, characterized in that: The inner walls on both sides of the rectangular flow limiting frame (7) are provided with limiting grooves (701), and the rectangular flow limiting frame (7) at the position of the rectangular through groove (18) is provided with a flow limiting cavity (702).

4. A water distribution channel for electrodialysis according to claim 3, characterized in that: A flow limiting plate (17) is movably installed on the inner side of the flow limiting cavity (702). The top of the flow limiting plate (17) extends to the outside of the rectangular flow limiting frame (7). The outer walls on both sides of the flow limiting plate (17) are slidably connected to the limiting groove (701).

5. A water distribution channel for electrodialysis according to claim 4, characterized in that: A connecting frame (16) is fixedly installed at the center of the top of the flow limiting plate (17). A screw (14) is installed on the internal thread of the nut seat (13). The bottom end of the screw (14) extends to the outside of the nut seat (13) and is rotatably connected to the top of the connecting frame (16). The top end of the screw (14) extends to the outside of the nut seat (13) and is equipped with a handle (15).

6. A water distribution channel for electrodialysis according to claim 1, characterized in that: Side connecting plates (9) are fixed on the surfaces of the first panel (6) on both sides of the flow channel body (1). The inner wall of the side connecting plate (9) is in contact with the outer wall of the flow channel body (1). Two locking bolts (10) are installed on the outer wall of the side connecting plate (9). One end of the locking bolt (10) passes through the side connecting plate (9) and is threadedly connected to the outer wall of the flow channel body (1).

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