Electrocatalytic oxidation and biological treatment combined device

Abstract

The utility model relates to the related technical field of electrocatalytic oxidation, in particular to an electrocatalytic oxidation and biological treatment combined device which comprises an electrocatalytic oxidation pond, partition plates are welded to the two sides of the inner wall of the electrocatalytic oxidation pond, a first water inlet is formed in the surface of one side of the electrocatalytic oxidation pond, and a second water inlet is formed in the surface of the other side of the electrocatalytic oxidation pond. A second water inlet is formed in the surface of one side of the partition plate, a filter screen is fixedly mounted at one end of the electrocatalytic oxidation pond, and an aeration mechanism is arranged below the electrocatalytic oxidation pond. According to the electrocatalytic oxidation and biological treatment combined device, the heat conduction pipe is heated through the electric heating pipe, so that the heat conduction pipe transmits heat into gas to heat the gas, then aeration is performed through the aeration disc, and in the aeration process, the activity of reactants can be increased, gas inlet of electrochemical reaction is promoted, so that the wastewater treatment efficiency is improved; and heating can promote the oxidation of macromolecular organic matters which are difficult to degrade in the wastewater into micromolecular substances, so that the purification effect of the wastewater is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to electrocatalytic oxidation, in particular to an electrocatalytic oxidation and biological treatment combined device. Background Art

[0002] Electrocatalytic oxidation is a technology that uses electrochemical reactions to convert organic compounds into harmless substances. It has the advantages of high efficiency, environmental protection, and simple operation. It is one of the technologies that has attracted much attention in the current field of environmental protection. Electrocatalytic oxidation equipment can effectively remove organic pollutants in wastewater, such as benzene, phenol, ketones, etc., and oxidize them into harmless substances such as carbon dioxide and water. The water quality of wastewater treated by electrocatalytic oxidation equipment is improved, meeting relevant national standards, and can meet the requirements of direct discharge or reuse, thereby reducing environmental pollution and resource waste. To this end, we propose a combined electrocatalytic oxidation and biological treatment device.

[0003] Existing combined electrocatalytic oxidation and biological treatment devices generally add an aeration device to the electrocatalytic oxidation tank to increase the reaction rate in order to improve the efficiency of electrocatalytic oxidation. However, some reactants with lower activity will not increase in activity due to aeration, resulting in insufficient treatment efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide an electrocatalytic oxidation and biological treatment combination device to solve the problem that the existing electrocatalytic oxidation and biological treatment combination device proposed in the above background technology generally adds an aeration device to the electrocatalytic oxidation tank to increase the reaction speed in order to improve the efficiency of electrocatalytic oxidation. However, some reactants with lower activity will not increase their activity due to aeration, resulting in insufficient treatment efficiency.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a combined electrocatalytic oxidation and biological treatment device, comprising an electrocatalytic oxidation tank, partitions welded on both sides of the inner wall of the electrocatalytic oxidation tank, a first water inlet provided on one side surface of the electrocatalytic oxidation tank, a second water inlet provided on one side surface of the partition, a filter fixedly installed at one end of the electrocatalytic oxidation tank, an aeration mechanism provided below the electrocatalytic oxidation tank, a first fixed plate fixedly installed on one side of the upper surface of the electrocatalytic oxidation tank, a first connecting rod fixedly installed below the first fixed plate, an anode plate sleeved and fixed on one end of the first connecting rod, a second fixed plate fixedly installed on the other side of the upper surface of the electrocatalytic oxidation tank, a second connecting rod fixedly connected to the lower surface of the second fixed plate, and a cathode plate sleeved and fixed on one end of the second connecting rod.

[0006] Preferably, the first water inlet and the second water inlet are diagonally distributed, and the filter is arranged between the first water inlet and the second water inlet and is inclined.

[0007] Preferably, a door is provided on one side of the electrocatalytic oxidation tank, and the positions of the door and the filter screen correspond to each other.

[0008] Preferably, the aeration mechanism includes a fan, a heat-conducting pipe, an electric heating pipe, an insulating shell, a connecting pipe, a delivery pipe and an aeration plate. A fan is provided on one side of the electrocatalytic oxidation tank. The air outlet flange of the fan is connected to the heat-conducting pipe. The outer ring of the heat-conducting pipe is provided with an electric heating pipe. The heat-conducting pipe is fixedly installed inside the insulating shell. One end flange of the heat-conducting pipe is connected to the connecting pipe. One side of the connecting pipe is connected to the delivery pipe. The aeration plate is fixedly installed on one side of the delivery pipe.

[0009] Preferably, the electric heating tube has a spiral structure, and the heat conducting tube is made of copper tube.

[0010] Preferably, the aeration plates are arranged on the lower surface of the electrocatalytic oxidation tank and are distributed at equal intervals.

[0011] Preferably, the anode plates are distributed at equal intervals on one end of the first connecting rod, and the anode plates and cathode plates are distributed alternately.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the electrocatalytic oxidation and biological treatment combined device, through the setting of the aeration mechanism, heats the heat-conducting tube through the electric heating tube, so that the heat-conducting tube transfers heat to the gas, heats the gas, and then aerates the gas through the aeration disk. During the aeration process, the activity of the reactants can be increased, and the air intake of the electrochemical reaction can be promoted, thereby improving the efficiency of wastewater treatment. Heating can also promote the oxidation of difficult-to-degrade large-molecule organic matter in the wastewater into small-molecule substances, further improving the purification effect of the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the electrocatalytic oxidation cell of the present utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the anode and cathode sheets that cooperate with each other in the present utility model;

[0016] Figure 4 This is a schematic diagram of the aeration mechanism structure of the utility model.

[0017] In the figure: 1. electrocatalytic oxidation tank; 2. partition; 3. first water inlet; 4. second water inlet; 5. filter; 6. compartment door; 7. aeration mechanism; 701. fan; 702. heat pipe; 703. electric heating pipe; 704. thermal insulation shell; 705. connecting pipe; 706. conveying pipe; 707. aeration plate; 8. first fixed plate; 9. first connecting rod; 10. anode plate; 11. second fixed plate; 12. second connecting rod; 13. cathode plate. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 The utility model provides a technical solution: an electrocatalytic oxidation and biological treatment combined device, comprising an electrocatalytic oxidation tank 1, partitions 2 are welded on both sides of the inner wall of the electrocatalytic oxidation tank 1, a first water inlet 3 is provided on the surface of one side of the electrocatalytic oxidation tank 1, a second water inlet 4 is provided on the surface of one side of the partition 2, a filter screen 5 is fixedly installed at one end of the electrocatalytic oxidation tank 1, an aeration mechanism 7 is provided below the electrocatalytic oxidation tank 1, a first fixing plate 8 is fixedly installed on one side of the upper surface of the electrocatalytic oxidation tank 1, a first connecting rod 9 is fixedly installed below the first fixing plate 8, an anode plate 10 is fixedly mounted on one end of the first connecting rod 9, a second fixing plate 11 is fixedly mounted on the other side of the upper surface of the electrocatalytic oxidation tank 1, a second connecting rod 12 is fixedly connected to the lower surface of the second fixing plate 11, and a cathode plate 13 is fixedly mounted on one end of the second connecting rod 12.

[0020] Furthermore, the first water inlet 3 and the second water inlet 4 are diagonally distributed, and the filter screen 5 is arranged in the middle position of the first water inlet 3 and the second water inlet 4, and is arranged at an angle. Through the arrangement of the filter screen 5, the wastewater to be treated is sent into the first water inlet 3, passes through the filter screen 5 and then enters the electrocatalytic oxidation tank 1 through the second water inlet 4 below. The filter screen 5 can filter out some solid impurities and reduce the accumulation of sediment. At the same time, the inclined filter screen 5 can gather all impurities on the downward side for easy cleaning.

[0021] Furthermore, a door 6 is provided on one side of the electrocatalytic oxidation tank 1 , and the positions of the door 6 and the filter 5 correspond to each other. By setting the door 6 , solid impurities accumulated on the surface of the filter 5 can be disposed of by opening the door 6 .

[0022] Furthermore, the aeration mechanism 7 includes a fan 701, a heat pipe 702, an electric heating pipe 703, an insulating shell 704, a connecting pipe 705, a delivery pipe 706 and an aeration plate 707. A fan 701 is provided on one side of the electrocatalytic oxidation tank 1. The air outlet flange of the fan 701 is connected to the heat pipe 702. The outer ring of the heat pipe 702 is provided with an electric heating pipe 703. The heat pipe 702 is fixedly installed inside the insulating shell 704. One end of the heat pipe 702 is flange-connected to the connecting pipe 703. 5. One side of the connecting pipe 705 is connected to the delivery pipe 706, and an aeration plate 707 is fixedly installed on one side of the delivery pipe 706. Through the arrangement of the fan 701, the heat pipe 702, the electric heating pipe 703, the heat insulating shell 704, the connecting pipe 705, the delivery pipe 706 and the aeration plate 707, the gas transported in the heat pipe 702 is heated by the electric heating pipe 703, so that the aeration plate 707 heats the wastewater while working, increases the activity of the reactants, and promotes the electrochemical reaction.

[0023] Furthermore, the electric heating tube 703 has a spiral structure, and the heat conducting tube 702 is made of a copper tube. Through the arrangement of the heat conducting tube 702 , the heat conducting tube 702 can transfer heat well and heat the gas introduced by the fan 701 .

[0024] Furthermore, the aeration plates 707 are arranged on the lower surface of the electrocatalytic oxidation tank 1 and are distributed at equal intervals. Through the arrangement of the aeration plates 707, the aeration plates 707 transfer oxygen from the air to the water body, thereby increasing the dissolved oxygen content in the water, thereby supporting the growth and activity of aerobic microorganisms and accelerating the decomposition of organic matter and nutrient circulation.

[0025] Furthermore, the anode plates 10 are distributed at equal intervals at one end of the first connecting rod 9, and the anode plates 10 and the cathode plates 13 are staggered. Through the arrangement of the anode plates 10 and the cathode plates 13, the degradation of pollutants can be well achieved, and the staggered distribution structure can have more contact surfaces and better treatment effects.

[0026] Working principle: First, the wastewater to be treated is injected into one end of the first water inlet 3, and then the wastewater is filtered out of fixed impurities through the filter 5, and then enters the middle of the electrocatalytic oxidation tank 1 through the first water inlet 3 below. At the same time, the fan 701 is started to transport the gas. When passing through the heat pipe 702, the gas is heated by the electric heating pipe 703, and then the heated gas passes through the connecting pipe 705 and the conveying pipe 706, and then through the aeration plate 707, so that the heated gas heats the wastewater and provides oxygen to promote the activity of the reactants in the water. Secondly, the anode plate 10 and the cathode plate 13 are used to degrade the pollutants. The treated wastewater will be discharged through the opening on the surface of the partition 2 on the other side, and the impurities accumulated in the filter 5 can be cleaned by opening the warehouse door 6.

[0027] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined electrocatalytic oxidation and biological treatment device, comprising an electrocatalytic oxidation tank (1), characterized in that: Partitions (2) are welded on both sides of the inner wall of the electrocatalytic oxidation tank (1), a first water inlet (3) is provided on one side surface of the electrocatalytic oxidation tank (1), a second water inlet (4) is provided on one side surface of the partition (2), a filter screen (5) is fixedly installed at one end of the electrocatalytic oxidation tank (1), an aeration mechanism (7) is provided below the electrocatalytic oxidation tank (1), a first fixing plate (8) is fixedly installed on one side of the upper surface of the electrocatalytic oxidation tank (1), a first connecting rod (9) is fixedly installed below the first fixing plate (8), an anode plate (10) is sleeved and fixed on one end of the first connecting rod (9), a second fixing plate (11) is fixedly installed on the other side of the upper surface of the electrocatalytic oxidation tank (1), a second connecting rod (12) is fixedly connected to the lower surface of the second fixing plate (11), and a cathode plate (13) is sleeved and fixed on one end of the second connecting rod (12).

2. The electrocatalytic oxidation and biological treatment combined device according to claim 1, characterized in that: The first water inlet (3) and the second water inlet (4) are diagonally distributed, and the filter screen (5) is arranged in the middle of the first water inlet (3) and the second water inlet (4) and is arranged in an inclined manner.

3. The electrocatalytic oxidation and biological treatment combined device according to claim 1, characterized in that: A door (6) is provided on one side of the electrocatalytic oxidation tank (1), and the positions of the door (6) and the filter (5) correspond to each other.

4. The electrocatalytic oxidation and biological treatment combined device according to claim 1, characterized in that: The aeration mechanism (7) comprises a fan (701), a heat conducting pipe (702), an electric heating pipe (703), a heat insulating shell (704), a connecting pipe (705), a delivery pipe (706) and an aeration plate (707). A fan (701) is provided on one side of the electrocatalytic oxidation tank (1). The air outlet flange of the fan (701) is connected to the heat conducting pipe (702). The outer ring of the heat conducting pipe (702) is provided with the electric heating pipe (703). The heat conducting pipe (702) is fixedly installed inside the heat insulating shell (704). One end of the heat conducting pipe (702) is flange-connected to the connecting pipe (705). One side of the connecting pipe (705) is connected to the delivery pipe (706). The aeration plate (707) is fixedly installed on one side of the delivery pipe (706).

5. The electrocatalytic oxidation and biological treatment combined device according to claim 4, characterized in that: The electric heating tube (703) has a spiral structure, and the heat conducting tube (702) is made of copper tube.

6. The electrocatalytic oxidation and biological treatment combined device according to claim 4, characterized in that: The aeration plates (707) are arranged on the lower surface of the electrocatalytic oxidation tank (1) and are distributed at equal intervals.

7. The electrocatalytic oxidation and biological treatment combined device according to claim 1, characterized in that: The anode plates (10) are distributed at equal intervals on one end of the first connecting rod (9), and the anode plates (10) and cathode plates (13) are distributed in an alternating manner.

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