Rotary electrochemical water treatment device

Through the rotary electrochemical water treatment device, the multi-layer wound rotatable electrode is used for electrochemical water treatment, which solves the problems of uneven current distribution and limited effective reaction area, improves treatment efficiency and simplifies maintenance, and is suitable for different sewage treatment needs.

CN223292342UActive Publication Date: 2025-09-02TONGJI UNIV
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Patent Information

Application Number
CN202422542919.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-09-02
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The existing electrochemical water treatment reactors have problems such as uneven current distribution, high energy consumption, short contact time between water and electrodes, and limited effective reaction area, resulting in insufficient treatment efficiency.

Method used

Using a rotary electrochemical water treatment device, by changing the cathode and anode plate into a multi-layer wound rotatable electrode, the centrifugal force generated by the rotation of the electrode is used to improve the mass transfer efficiency, and adapt to different processing needs through a detachable design.

Benefits of technology

It improves the ability and efficiency of electrochemical water treatment, realizes the full reaction between wastewater and electrodes, and simplifies the maintenance and replacement process of the device.

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Abstract

The utility model belongs to the technical field of electrochemical new pollutant sewage treatment, and particularly relates to a rotary electrochemical water treatment device which comprises a shell, a connecting motor is fixedly mounted in the shell, and the output end of the connecting motor is fixedly connected with a rotating shaft. A cathode intercalation layer and an anode intercalation layer are arranged on the outer surface of the rotating shaft through an insulating water-permeable supporting layer, electrodes are jointly arranged in the cathode intercalation layer and the anode intercalation layer, the insulating water-permeable supporting layer and the shell are installed through a disassembling assembly, a water outlet layer is arranged on the upper portion in the shell, and a water outlet layer is arranged on the lower portion in the shell. A water inlet layer is arranged on the lower portion in the shell, and a water bin is arranged on the left side of the shell. The electrodes can rotate by being connected with the motor, the mass transfer effect is enhanced, meanwhile, the water treatment capacity can be improved by combining the centrifugal force of water with the surface confinement effect of a catalyst, and meanwhile, the detachable design of the electrodes facilitates maintenance and replacement of the electrodes according to different requirements.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrochemical new pollutant sewage treatment, in particular to a rotary electrochemical water treatment device. Background Art

[0002] Electrochemical methods use electrochemical reactions to continuously generate reactive oxygen species in situ, achieving efficient removal of emerging pollutants in water. Currently, there are two main types of electrochemical reactors used for treating emerging pollutants in wastewater: one is a batch reactor, which connects multiple electrode plates in parallel in a water tank, allowing the water to rest in the tank; the other is a continuous flow reactor, which typically uses an external pump to pump water into the reactor and treat the water while it flows.

[0003] However, both existing types of reactors face some problems in practical applications, such as long treatment time, large footprint, uneven current distribution, easy electrode clogging and corrosion, and complex operation and maintenance. Therefore, the practical application of electrochemical water treatment reactors still needs further optimization and improvement. Therefore, a rotary electrochemical water treatment device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology and solve the problems of uneven current distribution, high energy consumption, short contact time between water and electrodes, limited effective reaction area and other problems existing in traditional batch reactors and continuous flow reactors in the electrochemical water treatment process, which lead to insufficient treatment efficiency, the utility model proposes a rotary electrochemical water treatment device.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: the rotary electrochemical water treatment device described in the utility model includes a shell;

[0006] A connecting motor is fixedly installed inside the shell, and a rotating shaft is fixedly connected to the output end of the connecting motor. A cathode intercalation layer and an anode intercalation layer are provided on the outer surface of the rotating shaft through an insulating and permeable support layer, and electrodes are provided inside the cathode intercalation layer and the anode intercalation layer.

[0007] The insulating and water-permeable support layer is installed with the shell by disassembling the components;

[0008] A water outlet layer is provided above the interior of the shell, a water inlet layer is provided below the interior of the shell, and a water tank is provided on the left side of the shell.

[0009] Preferably, the electrode comprises a cathode and an anode, and the cathode and the anode are fixed inside the cathode intercalation layer and the anode intercalation layer respectively with flexible materials.

[0010] Preferably, the water inlet layer includes a support base fixedly connected to the bottom of the shell, the water tank is fixedly connected to the support base, a water inlet plate is fixedly installed at the lower part of the shell, a water inlet interface is installed at the bottom of the water inlet plate, and the water inlet interface is communicated with the water inlet plate and the internal cavity of the shell.

[0011] Preferably, the water tank includes a water storage cavity fixedly connected to the support base, the water storage cavity is communicated with the interior of the shell, and a filter plate is fixedly installed inside the water storage cavity.

[0012] Preferably, the water outlet layer includes a water outlet plate fixedly mounted above the interior of the shell, and a water outlet guide port is provided on the top of the shell, and the water outlet guide port is communicated with the water outlet plate.

[0013] Preferably, the disassembly assembly includes a fixed bayonet and a clamping block, the clamping block is clamped inside the fixed bayonet, and the electrode is installed in the housing through the clamping of the clamping block and the fixed bayonet.

[0014] Preferably, a water distribution plate is fixedly installed between the water inlet layer and the insulating and permeable support layer at the lower part of the shell.

[0015] The utility model is beneficial in that:

[0016] The utility model replaces the fixed anode and cathode plates in the traditional electrochemical water treatment device with multi-layer wound rotatable electrodes, and utilizes the centrifugal force generated by the rotation of the electrodes to enable pollutants in the water to react with active species generated in situ by electrochemistry in the confined space on the electrode surface, avoiding the inactivation of active species caused by the long mass transfer distance and resulting in poor water treatment effect. This can effectively improve the capacity and efficiency of electrochemical water treatment. At the same time, the detachable anode and cathode design allows the device to be used in electrochemical water treatment systems for different purposes, which contributes to the wide application of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a partial bottom view of the structure in Example 1;

[0019] Figure 2 This is a front view structural diagram of the first embodiment;

[0020] Figure 3 It is a schematic diagram of the partial rear cross-section structure in Example 1.

[0021] In the figure: 1. Cathode intercalation layer; 2. Anode intercalation layer; 3. Insulating and permeable support layer; 4. Water distribution plate; 5. Rotating shaft; 6. Filter plate; 7. Fixing bracket; 8. Support base; 9. Water inlet interface; 10. Water inlet plate; 11. Water outlet plate; 12. Connection motor; 13. Water outlet diversion port; 14. Water storage cavity; 15. Water tank; 16. Water inlet layer; 17. Electrode. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] See also Figure 1-3 As shown, a rotary electrochemical water treatment device includes a shell;

[0025] A connecting motor 12 is fixedly installed inside the housing, and the output end of the connecting motor 12 is fixedly connected to a rotating shaft 5. A cathode intercalation layer 1 and an anode intercalation layer 2 are provided on the outer surface of the rotating shaft 5 through an insulating and permeable support layer 3. Electrodes 17 are provided inside the cathode intercalation layer 1 and the anode intercalation layer 2.

[0026] The insulating and water-permeable support layer 3 is installed with the shell by disassembling the components;

[0027] A water outlet layer is provided above the interior of the shell, a water inlet layer 16 is provided below the interior of the shell, and a water tank 15 is provided on the left side of the shell; when working, the connecting motor 12 is first connected to the power supply, and the connecting motor 12 can drive the rotating shaft 5 to rotate, and the treated sewage is passed from the water tank 15 through the water inlet layer 16 into the cavity inside the shell, and then during the water treatment process, the electrode 17 and the insulating and permeable support layer 3 are driven by the rotating shaft 5 to rotate, and after the water fills the cavity, it flows out of the shell from the water outlet layer for recovery, and the mechanism of water flowing in and out is conducive to the full reaction of sewage and electrode 17. The rotatable electrode 17 helps to improve the mass transfer efficiency and utilize the centrifugal force of water and the surface confinement effect of the electrode 17 material to complete the electrochemical deep treatment of sewage. At the same time, the detachable design of the electrode 17 facilitates maintenance and replacement of the electrode 17 according to different needs.

[0028] The electrode 17 includes a cathode and an anode, which are respectively fixed to the cathode intercalation layer 1 and the anode intercalation layer 2 with flexible materials. During operation, the cathode and the anode are respectively fixed to the cathode intercalation layer 1 and the anode intercalation layer 2 with flexible materials, and are supported and fixed in the cavity of the shell by the insulating and permeable support layer 3. Therefore, the present invention replaces the fixed anode and cathode plates in the traditional electrochemical water treatment device with a multi-layer wound electrode 17, thereby improving the use effect of the electrode 17.

[0029] The water inlet layer 16 includes a support base 8 fixedly connected to the bottom of the shell, the water tank 15 is fixedly connected to the support base 8, and a water inlet plate 10 is fixedly installed at the lower part of the interior of the shell. A water inlet interface 9 is installed at the bottom of the water inlet plate 10, and the water inlet interface 9 is communicated with the water inlet plate 10 and the internal cavity of the shell; when working, the water in the water tank 15 is injected into the cavity inside the shell through the water inlet interface 9 and the water inlet plate 10, so as to facilitate the sewage to be treated to enter the interior of the shell from the water tank 15 for treatment.

[0030] The water tank 15 includes a water storage cavity 14 fixedly connected to the support base 8. The water storage cavity 14 communicates with the interior of the housing. A filter plate 6 is fixedly installed within the water storage cavity 14. During operation, wastewater to be treated flows from the water storage cavity 14 of the water tank 15 through the filter plate 6 and is then injected into the cavity within the housing through the water inlet port 9. Solid impurities are filtered out by the filter plate 6.

[0031] The water outlet layer includes a water outlet plate 11 fixedly installed above the interior of the shell, and a water outlet guide port 13 is opened on the top of the shell, and the water outlet guide port 13 is communicated with the water outlet plate 11; when working, water fills the cavity inside the shell and flows out from the water outlet plate 11 to the water outlet guide port 13 and then is recovered.

[0032] The disassembly assembly includes a fixed bayonet 7 and a clamping block, the clamping block is clamped inside the fixed bayonet 7, and the electrode 17 is installed on the shell through the clamping connection between the clamping block and the fixed bayonet 7; during operation, the clamping block is clamped inside the fixed bayonet 7, making it easy to disassemble the insulating and permeable support layer 3 from the shell, and making it easy to disassemble the electrode 17 inside the insulating and permeable support layer 3.

[0033] Example 2

[0034] See also Figure 1 As shown, in contrast to Example 1, as another embodiment of the present invention, a water distribution plate 4 is fixedly installed between the water inlet layer 16 and the insulating and permeable support layer 3 at the lower part of the shell; when working, the water distribution plate 4 facilitates the diversion of water entering the shell.

[0035] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A rotary electrochemical water treatment device comprising a housing; Its characteristics are: A connecting motor (12) is fixedly installed inside the housing, and a rotating shaft (5) is fixedly connected to the output end of the connecting motor (12). A cathode intercalation layer (1) and an anode intercalation layer (2) are provided on the outer surface of the rotating shaft (5) via an insulating and water-permeable support layer (3). Electrodes (17) are provided inside the cathode intercalation layer (1) and the anode intercalation layer (2). The insulating and water-permeable supporting layer (3) is installed with the shell by disassembling the components; A water outlet layer is provided above the interior of the shell, a water inlet layer (16) is provided below the interior of the shell, and a water tank (15) is provided on the left side of the shell.

2. A rotary electrochemical water treatment device according to claim 1, characterized in that: The electrode (17) comprises a cathode and an anode, and the cathode and the anode are respectively fixed inside the cathode intercalation layer (1) and the anode intercalation layer (2) with flexible materials.

3. The rotary electrochemical water treatment device according to claim 2, characterized in that: The water inlet layer (16) comprises a support base (8) fixedly connected to the bottom of the shell, the water tank (15) is fixedly connected to the support base (8), a water inlet plate (10) is fixedly installed at the lower part of the interior of the shell, a water inlet interface (9) is installed at the bottom of the water inlet plate (10), and the water inlet interface (9) is in communication with the water inlet plate (10) and the internal cavity of the shell.

4. The rotary electrochemical water treatment device according to claim 3, characterized in that: The water tank (15) comprises a water storage cavity (14) fixedly connected to the support base (8), the water storage cavity (14) is communicated with the interior of the shell, and a filter plate (6) is fixedly installed inside the water storage cavity (14).

5. The rotary electrochemical water treatment device according to claim 4, characterized in that: The water outlet layer comprises a water outlet plate (11) fixedly mounted above the interior of the shell, and a water outlet guide port (13) is provided on the top of the shell, and the water outlet guide port (13) is communicated with the water outlet plate (11).

6. The rotary electrochemical water treatment device according to claim 5, characterized in that: The disassembly assembly comprises a fixed bayonet (7) and a clamping block, the clamping block is clamped inside the fixed bayonet (7), and the electrode (17) is mounted on the housing through the clamping connection between the clamping block and the fixed bayonet (7).

7. The rotary electrochemical water treatment device according to claim 6, characterized in that: A water distribution plate (4) is fixedly installed between the water inlet layer (16) and the insulating water-permeable support layer (3) at the lower portion of the shell.