Integrated electrodialysis water purification treatment equipment

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Through the integrated electrodialysis water purification treatment equipment with integrated electrodialysis devices and intelligent control systems, traditional electrodialysis equipment has solved the problems of large area, low efficiency and high energy consumption, and achieved efficient and convenient water purification treatment and equipment management.

CN223254991UActive Publication Date: 2025-08-22YANTAI JIETONG WATER TREATMENT TECH

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Patent Information

Application Number: CN202422398251.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-09-30
Publication Date: 2025-08-22
Estimated Expiration: 2034-09-30

AI Technical Summary

Technical Problem

Traditional electrodialysis equipment covers a large area, is inconvenient to install and maintain, slow ion migration speed, low membrane selectivity, and uneven water flow distribution, resulting in low water purification efficiency and high energy consumption, complex operation, easy to damage and frequent failures.

Method used

Design an integrated electrodialysis water purification treatment equipment to highly integrate electrodes, ion exchange membranes, flow channels and control systems, adopt advanced ion exchange membranes and electrode materials, and combine intelligent control systems to realize automatic adjustment and fault diagnosis of equipment, and the modular structure is easy to upgrade and maintain.

Benefits of technology

It greatly reduces the equipment footprint and installation difficulty, improves water purification performance, reduces energy consumption, simplifies operation, enhances equipment adaptability and reliability, and has fault diagnosis and remote monitoring functions.

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Abstract

The utility model discloses integrated electrodialysis water purification treatment equipment, which relates to the technical field of water treatment and comprises a fresh water tank, one side of the fresh water tank is provided with the fresh water tank, one side of the fresh water tank is provided with a concentrated water tank, and one side of the concentrated water tank is provided with an electrode water tank; one ends of the fresh water tank, the concentrated water tank and the polar water tank are jointly connected with an electrodialysis device, a plurality of groups of anion exchange membranes and cation exchange membranes are arranged in the electrodialysis device, and partition plates are arranged between the anion exchange membranes and the cation exchange membranes; a support frame is arranged at the bottom of the electrodialysis device. According to the integrated electrodialysis water purification treatment equipment provided by the utility model, key components such as the electrodes, the ion exchange membrane, the flow channel and the control system are highly integrated in compact equipment by arranging the integrated electrodialysis device treatment equipment, so that the occupied area and the installation difficulty of the equipment are greatly reduced.

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Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, in particular to an integrated electrodialysis water purification device. Background Art

[0002] Traditional electrodialysis equipment is usually complex, consisting of multiple discrete components, occupying a large area and making installation and maintenance inconvenient. During the water treatment process, there may be problems such as slow ion migration, low membrane selectivity, and uneven water flow distribution, resulting in low water purification efficiency. Due to unreasonable equipment design and non-optimized operating parameters, energy consumption is often high. The equipment is complex to operate and requires professional personnel to operate and maintain, which increases the cost and difficulty of use. Electrodialysis equipment may be easily damaged and malfunction frequently, affecting the continuity and effectiveness of water purification.

[0003] Therefore, an integrated electrodialysis water purification device is provided, which has higher integration, more efficient water purification performance, lower energy consumption, more convenient operation and maintenance, and stronger adaptability and scalability. Utility Model Content

[0004] Therefore, the purpose of the present invention is to provide an integrated electrodialysis water purification device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: an integrated electrodialysis water purification device, which includes a fresh water tank, a concentrated water tank is provided on one side of the fresh water tank, and an electrode water tank is provided on one side of the concentrated water tank; one end of the fresh water tank, the concentrated water tank and the electrode water tank are commonly connected to an electrodialysis device, and multiple groups of anion exchange membranes and cation exchange membranes are provided inside the electrodialysis device, and a partition is provided between the anion exchange membrane and the cation exchange membrane; a support frame is provided at the bottom of the electrodialysis device.

[0006] As a preferred solution of the integrated electrodialysis water purification equipment described in the utility model, wherein: an extreme water filter is arranged on one side of the electrodialysis device above the support frame, the extreme water filter is located on the side of the support frame away from the concentrated water tank, a concentrated water filter is arranged in a direction perpendicular to the extreme water filter and the concentrated water tank, and a fresh water filter is arranged on the other side of the concentrated water filter; the extreme water filter, the fresh water filter and the concentrated water filter are installed side by side.

[0007] As a preferred solution of the integrated electrodialysis water purification equipment described in the utility model, an adapter power supply is arranged above the support frame on the other side of the polar water filter, and an electric control system is arranged at the other end of the adapter power supply. The adapter power supply is electrically connected to the electric control system, and the adapter power supply is electrically connected to the electrodialysis device.

[0008] As a preferred solution of the integrated electrodialysis water purification equipment described in the utility model, one end of the polar water filter is connected to the electrodialysis device, the other end of the polar water filter is connected to the polar water tank, and a polar water pump is provided between the polar water filter and the polar water tank.

[0009] As a preferred solution of the integrated electrodialysis water purification equipment described in the utility model, one end of the fresh water filter is connected to the electrodialysis device, the other end of the fresh water filter is connected to the fresh water tank, and a fresh water pump is provided at the connection between the fresh water tank and the fresh water filter.

[0010] As a preferred solution of the integrated electrodialysis water purification equipment described in the utility model, one end of the concentrate filter is connected to the electrodialysis device, the other end of the concentrate filter is connected to the concentrate tank, and a concentrate pump is provided at the connection between the concentrate tank and the concentrate filter.

[0011] As a preferred solution of the integrated electrodialysis water purification equipment described in the utility model, the bottoms of the fresh water tank, the concentrated water tank and the extreme water tank are connected to each other, and the tops of the fresh water tank and the concentrated water tank are connected to each other.

[0012] As a preferred solution of the integrated electrodialysis water purification equipment described in the utility model, a plurality of pipelines are arranged above the support frame.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an integrated electrodialysis water purification treatment equipment, which integrates key components such as electrodes, ion exchange membranes, flow channels and control systems into a compact device by setting up an integrated electrodialysis device treatment equipment, greatly reducing the equipment's footprint and installation difficulty.

[0015] 2. The utility model provides an integrated electrodialysis water purification equipment, which uses advanced ion exchange membranes and electrode materials to improve the selectivity and permeability of ions, thereby being able to more effectively remove impurities and pollutants in water.

[0016] 3. The utility model provides an integrated electrodialysis water purification device. The integrated design and optimized control system enable the device to operate more intelligently, automatically adjust operating parameters according to actual processing needs, and avoid unnecessary energy waste.

[0017] 4. This utility model provides an integrated electrodialysis water purification device that can be flexibly configured and adjusted to suit different water qualities and treatment requirements. By replacing different types of ion exchange membranes and electrodes, it can adapt to different water sources and pollutant types, improving the device's adaptability.

[0018] 5. The utility model provides an integrated electrodialysis water purification device. The intelligent control system makes the operation of the device simpler and more convenient. The device can be started, stopped, and parameter adjusted through an intuitive interface. At the same time, the system also has fault diagnosis and alarm functions, which facilitate users to discover and solve problems in a timely manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0020] Figure 1 This is a schematic diagram of the overall structure of an integrated electrodialysis water purification device of the present utility model;

[0021] Figure 2 This is a right side view of an integrated electrodialysis water purification device of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of an electrodialysis device of an integrated electrodialysis water purification equipment of the utility model;

[0023] Figure 4 This is a flow chart of an integrated electrodialysis water purification device of the utility model.

[0024] Description of reference numerals:

[0025] 1. Fresh water tank; 2. Concentrated water tank; 3. Support frame; 4. Electrodialysis device; 41. Anion exchange membrane; 42. Partition; 43. Cation exchange membrane; 5. Electrode water filter; 6. Electrode water tank; 7. Fresh water filter; 8. Concentrated water filter; 9. Adapter power supply; 10. Electronic control system; 11. Fresh water pump; 12. Concentrated water pump; 13. Electrode water pump. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0027] Reference Figure 1-4, an integrated electrodialysis water purification equipment provided by the utility model, this integrated electrodialysis water purification equipment includes a fresh water tank 1, a concentrated water tank 2 is provided on one side of the fresh water tank 1, and an electrode water tank 6 is provided on one side of the concentrated water tank 2; one end of the fresh water tank 1, the concentrated water tank 2 and the electrode water tank 6 are commonly connected to an electrodialysis device 4, and multiple groups of anion exchange membranes 41 and cation exchange membranes 43 are provided inside the electrodialysis device 4, and a partition 42 is provided between the anion exchange membrane 41 and the cation exchange membrane 43; a support frame 3 is provided at the bottom of the electrodialysis device 4.

[0028] Specifically, a fresh water tank 1 is provided with a concentrated water tank 2 on one side of the fresh water tank 1, and an electrode water tank 6 is provided on one side of the concentrated water tank 2. By arranging the fresh water tank 1, the concentrated water tank 2 and the electrode water tank 6 in parallel, the overall floor space is reduced; one end of the fresh water tank 1, the concentrated water tank 2 and the electrode water tank 6 are connected to an electrodialysis device 4, and the water in the fresh water tank 1, the concentrated water tank 2 and the electrode water tank 6 is reacted by the electrodialysis device 4; a plurality of groups of anion exchange membranes 41 and cation exchange membranes 43 are provided inside the electrodialysis device 4, and the anion exchange membranes 4 A separator 42 is placed between the electrolyte 1 and the cation exchange membrane 43. A cation exchange membrane 43, a separator 42, and an anion exchange membrane 41 are alternately stacked to form a membrane pair. Several membrane pairs are stacked together, with the addition of polar membranes and polar chamber separators on both sides, to form a membrane stack. Electrodes, a water distribution plate, and clamping plates are placed on both sides of the membrane stack to form the electrodialysis unit 4. The water distribution plate is generally made of engineering plastic and is used to direct the desalinated solution, concentrate, cathode liquid, and anode liquid into the corresponding compartments within the electrodialyzer and to secure the electrodes. The clamping plate is generally made of metal, with bolts fastening the components together. The electrodes are generally made of titanium with a catalytic coating on the surface. When current is applied, an oxidation reaction occurs on the surface of the positive electrode plate, and a reduction reaction occurs on the surface of the negative electrode plate. The specific electrode reaction varies depending on the electrode liquid; commonly used electrode liquids are sodium chloride solution and sodium sulfate solution. The choice of electrode liquid varies depending on the feed liquid system, and the basis for selection is to minimize the impact of the electrode liquid on the feed liquid system. Because the pH value of the solution may increase during the electrolysis process of the electrode liquid, which may cause the formation of precipitates and block the equipment, acid is generally added to adjust the pH value of the electrode liquid to 2~3. Commonly used electrode liquids are sodium chloride solution and sodium sulfate solution; a support frame 3 is provided at the bottom of the electrodialysis device 4, and the support frame 3 provides support for the electrodialysis device 4.

[0029] An extreme water filter 5 is provided above the support frame 3 on one side of the electrodialysis device 4. The extreme water filter 5 is located on the side of the support frame 3 away from the concentrated water tank 2. A concentrated water filter 8 is provided in a direction perpendicular to the extreme water filter 5 and the concentrated water tank 2. A fresh water filter 7 is provided on the other side of the concentrated water filter 8. The extreme water filter 5, the fresh water filter 7 and the concentrated water filter 8 are installed side by side.

[0030] Specifically, the extreme water filter 5, the fresh water filter 7 and the concentrated water filter 8 are arranged side by side on one side of the electrodialysis device 4, which is convenient for connection with the electrodialysis device 4. The fresh water inside the fresh water tank 1 and the concentrated water inside the concentrated water tank 2 enter the fresh water filter 7 and the concentrated water filter 8 pretreatment system respectively through the fresh water tank 1 and the concentrated water tank 2, and pass through the melt-blown filter element configured inside the fresh water filter 7 and the concentrated water filter 8. The melt-blown filter element is a PP filter element formed by a melt-blowing process using polypropylene as raw material and with a filtration accuracy of 5μm1μm or above. It has an excellent filtering effect on sewage and pure water treatment, impurities, glass, sand and other particulate matter; under the action of pressure, the original liquid passes through the filter material, the filter residue remains on the tube wall, and the filtrate flows out through the filter material, thereby achieving the purpose of filtration.

[0031] An adapter power supply 9 is provided above the support frame 3 on the other side of the polar water filter 5, and an electric control system 10 is provided at the other end of the adapter power supply 9. The adapter power supply 9 is electrically connected to the electric control system 10, and the adapter power supply 9 is electrically connected to the electrodialysis device 4.

[0032] Specifically, the adaptive power supply 9 provides power to the electrodialysis device 4 and the electronic control system 10 , and the electronic control system 10 controls the electrodialysis device 4 .

[0033] One end of the polar water filter 5 is connected to the electrodialysis device 4 , and the other end of the polar water filter 5 is connected to the polar water tank 6 . A polar water pump 13 is provided between the polar water filter 5 and the polar water tank 6 .

[0034] Specifically, the opening and closing between the polar water filter 5 and the polar water tank 6 is controlled by the polar water pump 13 .

[0035] One end of the fresh water filter 7 is connected to the electrodialysis device 4 , and the other end of the fresh water filter 7 is connected to the fresh water tank 1 . A fresh water pump 11 is provided at the connection between the fresh water tank 1 and the fresh water filter 7 .

[0036] Specifically, the opening and closing between the fresh water tank 1 and the fresh water filter 7 is controlled by the fresh water pump 11 .

[0037] One end of the concentrated water filter 8 is connected to the electrodialysis device 4 , and the other end of the concentrated water filter 8 is connected to the concentrated water tank 2 . A concentrated water pump 12 is provided at the connection between the concentrated water tank 2 and the concentrated water filter 8 .

[0038] Specifically, the opening and closing between the concentrate tank 2 and the concentrate filter 8 is controlled by the concentrate pump 12 .

[0039] The bottoms of the fresh water tank 1 , the concentrated water tank 2 and the polar water tank 6 are connected to each other, and the tops of the fresh water tank 1 and the concentrated water tank 2 are connected to each other.

[0040] Specifically, the water from the precision filter is respectively sent to the fresh water inlet and the concentrated water inlet, and is finely treated by the electrodialysis device 4 to finally form desalinated liquid and concentrated liquid, which then enter the polar water tank 6 through the polar liquid pipeline.

[0041] A plurality of pipelines are arranged above the support frame 3 .

[0042] Specifically, the pipelines below are arranged through the support frame 3.

[0043] During use, the fresh water in the fresh water tank 1 and the concentrated water in the concentrated water tank 2 enter the pretreatment system of the precision filter through the fresh water tank 1 and the concentrated water tank 2 respectively. The melt-blown filter element configured inside the filter is a PP filter element formed by a melt-blown process using polypropylene as raw material. The filtration accuracy is 5μm1μm or more. It is an excellent filtration effect for sewage and pure water treatment, impurities, glass, sand and other particulates; under the action of pressure, the raw liquid passes through the filter material, the filter residue remains on the tube wall, and the filtrate flows out through the filter material, thereby achieving the purpose of filtration; the water outlet from the precision filter goes to the fresh water inlet and the concentrated water inlet of the electrodialysis device 4 respectively, and the electrodialysis device 4 performs fine treatment to form The desalinated concentrate and cathode liquid are piped into the cathode water tank 6. Key components, including electrodes, ion exchange membranes, flow channels, and control systems, are cleverly integrated into a compact device, achieving efficient space utilization and convenient installation. The ion exchange membrane is a core component of the electrodialysis process, and its performance directly determines the water purification effect. The device's operating parameters are precisely controlled and monitored in real time. Sensors collect real-time water quality data and device operating status information, and intelligent algorithms automatically adjust parameters such as voltage, current, and flow rate to adapt to varying water quality and treatment requirements. Fault diagnosis and alarm functions are also included, improving device reliability and safety. The device is designed with a modular structure for easy upgrades and maintenance. Different modules can be combined and replaced as needed, increasing the device's flexibility and adaptability. Impurities and contaminants in water can easily contaminate the ion exchange membranes and electrodes, reducing device performance and lifespan. Anti-pollution technologies can effectively reduce this contamination and improve device stability and reliability. For example, anti-pollution coatings can be applied to the ion exchange membrane surface, or regular cleaning and disinfection can be used to keep the membranes and electrodes clean. The Internet of Things (IoT) enables remote monitoring and management of the device. Users can check the operating status and water quality data of the equipment anytime and anywhere through mobile phones or computers, and perform remote control and fault diagnosis.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. An integrated electrodialysis water purification device, characterized by: The invention comprises a fresh water tank (1), a concentrated water tank (2) is provided on one side of the fresh water tank (1), and an extreme water tank (6) is provided on one side of the concentrated water tank (2); one end of the fresh water tank (1), the concentrated water tank (2) and the extreme water tank (6) are connected to an electrodialysis device (4); a plurality of groups of anion exchange membranes (41) and cation exchange membranes (43) are provided inside the electrodialysis device (4), and a partition (42) is provided between the anion exchange membranes (41) and the cation exchange membranes (43); and a support frame (3) is provided at the bottom of the electrodialysis device (4).

2. The integrated electrodialysis water purification equipment according to claim 1, characterized in that: An extreme water filter (5) is provided above the support frame (3) on one side of the electrodialysis device (4). The extreme water filter (5) is located on the side of the support frame (3) away from the concentrated water tank (2). A concentrated water filter (8) is provided in a direction perpendicular to the extreme water filter (5) and the concentrated water tank (2). A fresh water filter (7) is provided on the other side of the concentrated water filter (8); the extreme water filter (5), the fresh water filter (7) and the concentrated water filter (8) are installed side by side.

3. The integrated electrodialysis water purification equipment according to claim 2, characterized in that: An adaptor power supply (9) is provided above the support frame (3) on the other side of the polar water filter (5), and an electric control system (10) is provided at the other end of the adaptor power supply (9). The adaptor power supply (9) is electrically connected to the electric control system (10), and the adaptor power supply (9) is electrically connected to the electrodialysis device (4).

4. The integrated electrodialysis water purification equipment according to claim 3, characterized in that: One end of the polar water filter (5) is connected to the electrodialysis device (4), and the other end of the polar water filter (5) is connected to the polar water tank (6). A polar water pump (13) is provided between the polar water filter (5) and the polar water tank (6).

5. The integrated electrodialysis water purification equipment according to claim 4, characterized in that: One end of the fresh water filter (7) is connected to the electrodialysis device (4), and the other end of the fresh water filter (7) is connected to the fresh water tank (1). A fresh water pump (11) is provided at the connection between the fresh water tank (1) and the fresh water filter (7).

6. The integrated electrodialysis water purification equipment according to claim 5, characterized in that: One end of the concentrated water filter (8) is connected to the electrodialysis device (4), and the other end of the concentrated water filter (8) is connected to the concentrated water tank (2). A concentrated water pump (12) is provided at the connection between the concentrated water tank (2) and the concentrated water filter (8).

7. The integrated electrodialysis water purification equipment according to claim 6, characterized in that: The bottoms of the fresh water tank (1), the concentrated water tank (2) and the polar water tank (6) are connected to each other, and the tops of the fresh water tank (1) and the concentrated water tank (2) are connected to each other.

8. The integrated electrodialysis water purification equipment according to claim 7, characterized in that: A plurality of pipelines are arranged above the support frame (3).