Three-dimensional electrode COD (Chemical Oxygen Demand) degradation device

Abstract

The utility model discloses a three-dimensional electrode COD (Chemical Oxygen Demand) degradation device which comprises an electro-catalysis tank body, a first bin body is arranged on the front side of an inner cavity of the electro-catalysis tank body, a second bin body is arranged on the rear side of the inner cavity of the electro-catalysis tank body, and three-dimensional electrode integrated modules are arranged in the first bin body and the second bin body. The front surface of the electro-catalysis tank body is electrically connected with an anode power supply, the back surface of the electro-catalysis tank body is electrically connected with a cathode power supply, the three-dimensional electrode integration module is divided into numbers 1-6, the numbers 1, 3 and 5 are electrically connected with the anode power supply, and the numbers 2, 4 and 6 are electrically connected with the cathode power supply. According to the degradation device disclosed by the utility model, the phenomena of low COD treatment effect and non-uniform mixing of wastewater in the prior art are changed, the three-dimensional electrode integration module is aerated and scoured by adopting the aeration pipe, and the wastewater is uniformly mixed in cooperation with the internal circulating pump, so that the use effect of the degradation device is not influenced to a great extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to three -dimensional electrode degradation technical field, concretely is a three -dimensional electrode degradation COD device. BACKGROUND

[0002] Three -dimensional electrode degradation technology is an advanced electrochemical water treatment technology, introduces particle electrode (third electrode) on the basis of traditional two -dimensional electrode system, forms three -dimensional electrode structure, thereby significantly improves the degradation efficiency of organic pollutants, three -dimensional electrode degradation COD device is a kind of efficient water treatment equipment, realizes the rapid degradation of organic matter (such as COD) by three -dimensional electrode system;

[0003] According to the patent disclosed by Chinese patent network, the patent name is: a three-dimensional electrode reaction device for continuous treatment of high-salinity and high-COD wastewater, the patent application number is: 202020715412.4, including electrolytic cell, peristaltic pump, pH automatic regulating device, temperature control device and three-dimensional electrode system;The electrolytic cell is provided with wastewater inlet and treated liquid outlet;The peristaltic pump is connected with the wastewater inlet, and is used to continuously provide new wastewater for the electrolytic cell at a preset flow rate;The three-dimensional electrode system is used for electrolysis of wastewater in the electrolytic cell;The pH automatic regulating device is used for detecting and feedback control the pH value of wastewater in the electrolytic cell to keep in the preset pH range;The temperature control device is used for detecting and feedback control the temperature of wastewater in the electrolytic cell to keep in the preset temperature range;The utility model can realize three-dimensional electrode continuous treatment of high-salinity and high-COD wastewater, and can automatically adjust pH, temperature control and free adjustment of electrode plate spacing, the whole device structure is simple, and the degree of automation is high, without environmental pollution;The degradation device in the above-mentioned has low efficiency in COD treatment, and the wastewater mixing is not uniform enough, which greatly affects the use effect of the degradation device.

[0004] Therefore, the degradation device needs to be designed and reformed to effectively prevent the phenomenon of low efficiency in COD treatment and uneven wastewater mixing. UTILITY MODEL CONTENT

[0005] To solve the problems in the above background art, the purpose of the utility model is to provide a three-dimensional electrode degradation COD device, which has the advantages of efficient COD removal and uniform wastewater mixing, and solves the problems of low efficiency in COD treatment and uneven wastewater mixing.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a three -dimensional electrode degradation COD device, including electrocatalysis groove body, the front side of the electrocatalysis groove body inner chamber is provided with warehouse body one, the rear side of the electrocatalysis groove body inner chamber is provided with warehouse body two, the inside of warehouse body one and the inside of warehouse body two all are provided with three -dimensional electrode integrated module, the front surface of electrocatalysis groove body is connected with anode power supply, the back of electrocatalysis groove body is connected with cathode power supply, three -dimensional electrode integrated module is divided into 1-6 numbering, wherein numbering 1, 3, 5 are connected with anode power supply, numbering 2, 4, 6 are connected with cathode power supply, the left side of electrocatalysis groove body is fixedly connected with aerator, the output of aerator is connected with aeration pipe, aeration pipe extends to the inside of warehouse body one and warehouse body two respectively, the inner side of aeration pipe is connected with aeration nozzle, the right side of electrocatalysis groove body is fixedly connected with internal circulating pump, the output of internal circulating pump is connected with circulating pipe no.

[0007] As the utility model is preferred, the front surface and the back of the electrocatalysis groove body are both communicated with the emptying pipe, and the emptying pipe is used in cooperation with the electrocatalysis groove body.

[0008] As the utility model is preferred, the right side of the aerator is fixedly connected with the machine base, and the right side of the machine base is fixedly connected with the electrocatalysis groove body.

[0009] As the utility model is preferred, the height of the warehouse body one is greater than the height of the warehouse body two, and the height difference is 30 cm.

[0010] As the utility model is preferred, the three-dimensional electrode in the three-dimensional electrode integrated module is a two-dimensional electrode plate made of ruthenium iridium titanium and a plurality of activated carbon particles with a particle size of 1-2 cm.

[0011] As the utility model is preferred, the flow rate of the internal circulating pump is 100%-150% of the water inflow rate.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. This utility model of degradation device changes the traditional phenomenon of low COD treatment effect and uneven wastewater mixing. It adopts aeration pipe to aerate and flush the three-dimensional electrode integrated module to prevent the activated carbon inside the three-dimensional electrode from caking. In addition, the internal circulation pump is used to evenly mix the wastewater, which will not greatly affect the use effect of the degradation device.

[0014] 2. This utility model, through the setting of the drain pipe, can discharge wastewater inside the first and second silos, avoiding the inconvenience of wastewater discharge.

[0015] 3. The design of the base in this invention enables the aerator to be more securely connected to the electrocatalytic tank, preventing it from falling.

[0016] 4. By setting the height of the first chamber to be greater than that of the second chamber, the water inside the first chamber can flow naturally into the second chamber, thus avoiding blockage.

[0017] 5. The present invention uses a three-dimensional electrode integrated module, which consists of a ruthenium-iridium-titanium two-dimensional electrode plate and several activated carbon particles with a particle size of 1-2 cm. This design allows for a larger usable specific surface area and improves COD degradation efficiency.

[0018] 6. By setting the flow rate of the internal circulation pump to 100%-150% of the inlet water flow rate, this utility model enables the circulating water to more fully flush the interior of chamber one and chamber two, thereby increasing the catalytic effect. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a rear view of the structure of this utility model;

[0021] Figure 3 This is a structural diagram of the aeration pipe and aeration nozzle of this utility model;

[0022] Figure 4 This is a side view of the structure of this utility model.

[0023] In the diagram: 1. Electrocatalytic tank; 2. Chamber 1; 3. Chamber 2; 4. Three-dimensional electrode integrated module; 5. Anode power supply; 6. Cathode power supply; 7. Aerator; 8. Aeration pipe; 9. Aeration nozzle; 10. Internal circulation pump; 11. Circulation pipe 1; 12. Circulation pipe 2; 13. Fiber disc filter; 14. Fiber disc assembly; 15. Fiber chamber; 16. Valve switch; 17. Drain pipe; 18. Base. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figures 1 to 4 As shown, this utility model provides a three-dimensional electrode COD degradation device, including an electrocatalytic tank 1. A chamber 2 is formed on the front side of the inner cavity of the electrocatalytic tank 1, and a chamber 3 is formed on the rear side of the inner cavity of the electrocatalytic tank 1. Three-dimensional electrode integrated modules 4 are installed inside both chamber 2 and chamber 3. An anode power supply 5 is electrically connected to the front of the electrocatalytic tank 1, and a cathode power supply 6 is electrically connected to the back of the electrocatalytic tank 1. The three-dimensional electrode integrated modules 4 are numbered 1-6, where numbers 1, 3, and 5 are electrically connected to the anode power supply 5, and numbers 2, 4, and 6 are electrically connected to the cathode power supply 6. An aerator 7 is fixedly connected to the left side of the electrocatalytic tank 1. The output end of the aerator 7 is connected to an aeration pipe 8, which extends into the interiors of chamber 2 and chamber 3 respectively. An aeration nozzle 9 is connected to the inside of the electrocatalytic tank 1. An internal circulation pump 10 is fixedly connected to the right side of the electrocatalytic tank 1. The output end of the internal circulation pump 10 is connected to a circulation pipe 11. The side of the circulation pipe 11 away from the internal circulation pump 10 is connected to the inlet of the tank 2. The input end of the internal circulation pump 10 is connected to a circulation pipe 12. The side of the circulation pipe 12 away from the internal circulation pump 10 is connected to the outlet of the tank 3. A fiber disc filter 13 is installed on the right side of the electrocatalytic tank 1. A fiber disc assembly 14 is installed on the rear side of the inner cavity of the fiber disc filter 13. A filtrate chamber 15 is opened on the front side of the inner cavity of the fiber disc filter 13. The wastewater inside the fiber disc filter 13 first flows into the fiber disc assembly 14 for filtration, and then flows into the filtrate chamber 15. A valve switch 16 is installed at the top of the aeration pipe 8.

[0026] refer to Figure 1 Both the front and back sides of the electrocatalytic tank 1 are connected to an exhaust pipe 17, which is used in conjunction with the electrocatalytic tank 1.

[0027] As a technical optimization of this utility model, the wastewater inside the first compartment 2 and the second compartment 3 can be discharged through the drain pipe 17, thus avoiding the inconvenience of wastewater discharge.

[0028] refer to Figure 4 The aerator 7 is fixedly connected to the base 18 on the right side, and the base 18 is fixedly connected to the electrocatalytic tank 1 on the right side.

[0029] As a technical optimization of this utility model, the aerator 7 can be more securely connected to the electrocatalytic tank 1 by setting the base 18, preventing it from falling.

[0030] refer to Figure 1 The height of compartment 1, 2 is greater than the height of compartment 2, 3, and the height difference is 30cm.

[0031] As a technical optimization of this utility model, by setting the height of the first chamber 2 to be greater than the height of the second chamber 3, the water inside the first chamber 2 can flow naturally into the second chamber 3, thus avoiding blockage.

[0032] refer to Figure 1 The three-dimensional electrode inside the three-dimensional electrode integrated module 4 is composed of a ruthenium-iridium-titanium two-dimensional electrode plate and several activated carbon particles with a particle size of 1-2 cm.

[0033] As a technical optimization of this utility model, the three-dimensional electrode inside the three-dimensional electrode integration module 4 is composed of a ruthenium-iridium-titanium two-dimensional electrode plate and several activated carbon particles with a particle size of 1-2 cm, which enables it to have a larger specific surface area and improves the COD degradation efficiency.

[0034] refer to Figure 2 The flow rate of the internal circulation pump 10 is 100%-150% of the inlet water flow rate.

[0035] As a technical optimization of this utility model, by setting the flow rate of the internal circulation pump 10 to 100%-150% of the inlet water flow rate, the circulating water can be more fully flushed inside the first chamber 2 and the second chamber 3, thereby increasing the catalytic effect.

[0036] The working principle and usage process of this utility model are as follows: First, the user uses an electric hoist to place the three-dimensional electrode integrated module 4 inside the first chamber 2 and the second chamber 3 respectively. Then, wastewater containing COD to be degraded is pumped in to fill the electrocatalytic tank 1. Then, the aerator 7 is started. The aerator 7 aerates the wastewater through the aeration pipe 8 and the aeration nozzle 9, so that the wastewater is in full contact with the three-dimensional electrode integrated module 4. Since the first chamber 2 is higher than the second chamber 3, the water inside it will naturally flow into the second chamber 3. Then, the wastewater is fully mixed by the internal circulation pump 10 and the circulation pipe 11 and the circulation pipe 2 12. Then, the suspended solids are filtered through the fiber disc assembly 14 and the filtrate chamber 15 inside the fiber disc filter 13, so as to achieve the effect of efficient removal of COD and uniform mixing of wastewater.

[0037] In summary, this three-dimensional electrode COD degradation device overcomes the traditional problems of low COD treatment efficiency and uneven wastewater mixing. By using aeration pipe 8 to aerate and flush the three-dimensional electrode integrated module 4, and cooperating with the internal circulation pump 10 to uniformly mix the wastewater, the device's performance is not significantly affected.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A three-dimensional electrode COD degradation device, comprising an electro-catalytic tank body (1), characterized in that: The front side of the inner cavity of the electro-catalytic tank body (1) is provided with a bin body one (2), the rear side of the inner cavity of the electro-catalytic tank body (1) is provided with a bin body two (3), the inside of the bin body one (2) and the inside of the bin body two (3) are both provided with a three-dimensional electrode integrated module (4), the front of the electro-catalytic tank body (1) is electrically connected with an anode power supply (5), the back of the electro-catalytic tank body (1) is electrically connected with a cathode power supply (6), the three-dimensional electrode integrated module (4) is divided into 1-6 numbers, wherein the numbers 1, 3 and 5 are electrically connected with the anode power supply (5), the numbers 2, 4 and 6 are electrically connected with the cathode power supply (6), the left side of the electro-catalytic tank body (1) is fixedly connected with an aerator (7), the output end of the aerator (7) is communicated with an aeration pipe (8), the aeration pipe (8) extends to the inside of the bin body one (2) and the bin body two (3) respectively, the inside of the aeration pipe (8) is communicated with an aeration nozzle (9), the right side of the electro-catalytic tank body (1) is fixedly connected with an internal circulating pump (10), the output end of the internal circulating pump (10) is communicated with a circulating pipe one (11), the side, away from the internal circulating pump (10), of the circulating pipe one (11) is communicated with the water inlet of the bin body one (2), the input end of the internal circulating pump (10) is communicated with a circulating pipe two (12), the side, away from the internal circulating pump (10), of the circulating pipe two (12) is communicated with the water outlet of the bin body two (3), the right side of the electro-catalytic tank body (1) is provided with a fiber disc filter (13), the rear side of the inner cavity of the fiber disc filter (13) is provided with a fiber disc assembly (14), the front side of the inner cavity of the fiber disc filter (13) is provided with a filtrate chamber (15), the wastewater in the inside of the fiber disc filter (13) first flows into the fiber disc assembly (14) for filtration, and then flows into the inside of the filtrate chamber (15), the top of the aeration pipe (8) is provided with a valve switch (16).

2. The three-dimensional electrode COD degradation device according to claim 1, characterized in that: The front and back of the electro-catalytic tank body (1) are both communicated with a vent pipe (17), and the vent pipe (17) is used in cooperation with the electro-catalytic tank body (1).

3. The three-dimensional electrode COD degradation device according to claim 1, characterized in that: The right side of the aerator (7) is fixedly connected with a machine base (18), and the right side of the machine base (18) is fixedly connected with the electro-catalytic tank body (1).

4. The three-dimensional electrode COD degradation device according to claim 1, characterized in that: The height of the bin body one (2) is greater than the height of the bin body two (3), and the height difference is 30 cm.

5. The three-dimensional electrode COD degradation device according to claim 1, characterized in that: The three-dimensional electrode in the inside of the three-dimensional electrode integrated module (4) is a two-dimensional electrode plate of ruthenium iridium titanium plus a plurality of activated carbon particles with a particle size of 1-2 cm.

6. The three-dimensional electrode COD degradation device according to claim 1, characterized in that: The flow of the internal circulating pump (10) is 100%-150% of the water inlet flow.

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