Advanced treatment reactor for high-concentration sewage

Abstract

The utility model discloses a high-concentration sewage advanced treatment reactor, and relates to the technical field of sewage advanced treatment. An integrally-formed adsorption treatment box is arranged below the gas-liquid synergistic oxidation box, a water storage cavity is formed in the upper portion of the gas-liquid synergistic oxidation box, and electro-catalysis assemblies are arranged on the two sides of the interior of the water storage cavity and at least used for treating organic pollutants in sewage through electrochemical reaction and removing heavy metal ions; an aeration assembly located below the electro-catalysis assembly is installed below the water storage cavity and at least used for filling ozone into the water storage cavity. The electro-catalysis assembly and the aeration assembly are adopted to form a gas-liquid synergistic oxidation system, the aeration assembly is utilized to fill sufficient ozone into the water storage cavity, a turbulent flow area is formed in the water storage cavity, and the deep treatment effect on sewage is improved.

Description

Technical Field

[0001] This utility model relates to the field of advanced wastewater treatment technology, specifically a high-concentration wastewater advanced treatment reactor. Background Technology

[0002] The scarcity of water resources, continuous economic growth, and population increase will inevitably lead to a continuous rise in water prices. Therefore, vigorously developing the greywater reuse industry can not only save limited water resources and alleviate the increasingly prominent water shortage, but also reduce sewage discharge, reduce pollution to surrounding water bodies, improve the human living environment, and save a lot of water resource fees. Greywater reuse is an important measure to promote the coordinated development of economy, environment, and society.

[0003] Current advanced wastewater treatment methods typically involve adding chemical agents to disinfect the wastewater, which can result in unpleasant odors. Therefore, we propose a high-concentration wastewater advanced treatment reactor. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a high-concentration wastewater deep treatment reactor, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a high-concentration wastewater deep treatment reactor, comprising: a gas-liquid synergistic oxidation tank; an integrally formed adsorption treatment tank is arranged below the gas-liquid synergistic oxidation tank; a water storage chamber is arranged inside the upper part of the gas-liquid synergistic oxidation tank; electrocatalytic components are arranged on both sides inside the water storage chamber; the electrocatalytic components are used at least to treat organic pollutants in wastewater and remove heavy metal ions through electrochemical reactions; an aeration component is installed below the water storage chamber and located below the electrocatalytic components; the aeration component is used at least to fill the inside of the water storage chamber with ozone.

[0006] The adsorption treatment box has symmetrically distributed filter tubes on both sides at the top and a filter at the bottom. The filter tubes and filter are used for the graded adsorption of solid pollutants in wastewater.

[0007] Preferably, both sides of the gas-liquid co-oxidation chamber are fixed with sealing plates by bolts, and the electrocatalytic components are respectively fixed on the inner sidewalls of the sealing plates.

[0008] Preferably, maintenance ports are provided on both sides of the adsorption treatment box, and sealing plates are provided on the maintenance ports. A guide plate is fixedly provided on the bottom inner wall of the adsorption treatment box, and a drain pipe is provided on one side of the lower part of the adsorption treatment box. The upper surface of the guide plate is a sloping structure.

[0009] Preferably, the electrocatalytic assembly includes an anode plate and a cathode plate, and a plurality of anode extensions and cathode extensions are fixedly installed on one outer wall of the anode plate and the cathode plate, respectively, and the anode extensions and cathode extensions are staggered inside the water storage chamber.

[0010] Both the anode extension and the cathode extension are equipped with crossbeams at their top, and the crossbeams are fixed to the top outer wall of the gas-liquid co-oxidation tank by bolts.

[0011] Preferably, the anode plate is a titanium-based coated electrode plate IrO2-Ta2O5; the cathode plate is graphene or stainless steel mesh.

[0012] Preferably, the aeration assembly includes a main air pipe located on one side of the gas-liquid synergistic oxidation tank, and an air distribution plate is provided on one side of the main air pipe. Several branch air pipes are provided on the outer wall of one side of the air distribution plate, extending into the lower part of the water storage chamber. The branch air pipes are located below the electrocatalytic assembly.

[0013] Preferably, the pore size on the outer surface of the bronchus is less than fifty micrometers.

[0014] Preferably, the top of the filter tube is provided with a connector, and the top of the filter tube is connected to the water storage chamber through the connector. The filter tube is filled with packing material and is inclined.

[0015] Preferably, the filter includes an external separation frame, an adsorption layer is provided inside the separation frame, and a ramp is provided on the upper surface of the adsorption layer.

[0016] This invention provides a high-concentration wastewater deep treatment reactor, which has the following beneficial effects:

[0017] 1. The electrocatalytic and aeration components employed form a gas-liquid synergistic oxidation system. Sufficient ozone is introduced into the water storage chamber via the aeration components, creating a turbulent flow zone within the chamber and enhancing the deep treatment effect on wastewater. Through anodic oxidation and cathodic reduction, organic substances such as COD and BOD in recalcitrant organic wastewater are decomposed into carbon dioxide, water, and small-molecule organic matter, thus achieving highly efficient purification. Electrodeposition or electrocoagulation forms precipitates on the cathode or anode surface, effectively removing heavy metal ions from the wastewater and reducing the risk of water pollution.

[0018] 2. By using the packing material inside the filter tube and the adsorption layer in the filter, the water after electrochemical treatment can be re-adsorbed, which greatly improves the effect of solid-liquid separation and deep adsorption, and improves the purification quality of wastewater. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a high-concentration wastewater deep treatment reactor according to the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of the adsorption treatment tank of a high-concentration wastewater deep treatment reactor according to this utility model.

[0021] Figure 3 This is a schematic diagram of the electrocatalytic component and aeration component of a high-concentration wastewater deep treatment reactor according to this utility model. Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the electrocatalytic component and aeration component of a high-concentration wastewater deep treatment reactor according to this utility model. Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the filter tube structure of a high-concentration wastewater deep treatment reactor according to the present invention.

[0024] Figure 6 This is a schematic diagram of the filter structure of a high-concentration wastewater deep treatment reactor according to the present invention.

[0025] 1. Gas-liquid co-oxidation chamber; 11. Sealing plate; 12. Water storage chamber; 2. Adsorption treatment chamber; 21. Maintenance port; 22. Guide plate; 23. Drain pipe; 3. Electrocatalytic component; 31. Anode plate; 32. Crossbeam; 33. Anode extension; 34. Cathode plate; 35. Cathode extension; 4. Aeration component; 41. Main air pipe; 42. Air distribution plate; 43. Branch air pipe; 5. Filter pipe; 51. Connector; 52. Packing material; 6. Filter; 61. Separation rack; 62. Inclined plate; 63. Adsorption layer. Detailed Implementation

[0026] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0027] like Figures 1-6 As shown, this utility model provides a technical solution: a high-concentration wastewater deep treatment reactor, comprising: a gas-liquid synergistic oxidation tank 1; an integrally formed adsorption treatment tank 2 is arranged below the gas-liquid synergistic oxidation tank 1; a water storage chamber 12 is arranged inside the upper part of the gas-liquid synergistic oxidation tank 1; electrocatalytic components 3 are arranged on both sides inside the water storage chamber 12; the electrocatalytic components 3 are used at least for treating organic pollutants in wastewater and removing heavy metal ions through electrochemical reactions; an aeration component 4 is installed below the electrocatalytic components 3; the aeration component 4 is used at least for filling the water storage chamber 12 with ozone; filter pipes 5 are arranged symmetrically on both sides inside the upper part of the adsorption treatment tank 2; and a filter 6 is arranged inside the lower part of the adsorption treatment tank 2; the filter pipes 5 and the filter 6 are used at least for the graded adsorption of solid pollutants in wastewater.

[0028] In this embodiment, it includes: a gas-liquid co-oxidation chamber 1; both sides of the gas-liquid co-oxidation chamber 1 are fixed with sealing plates 11 by bolts. The sealing plates 11 facilitate the fixed installation and disassembly of the electrocatalytic components 3 on both sides of the gas-liquid co-oxidation chamber 1. The electrocatalytic components 3 are respectively fixed on the inner sidewall of the sealing plates 11. A water storage chamber 12 is provided inside the upper part of the gas-liquid co-oxidation tank 1. Electrocatalytic components 3 are provided on both sides of the interior of the water storage chamber 12. The electrocatalytic components 3 are used to treat organic pollutants in wastewater and remove heavy metal ions through electrochemical reactions. The electrocatalytic components 3 include an anode plate 31 and a cathode plate 34. The anode plate 31 is made of titanium-based coated plate IrO2-Ta2O5. The cathode plate 34 is made of graphene or stainless steel mesh. Several anode extensions 33 and cathode extensions 35 are fixedly installed on one outer wall of the anode plate 31 and the cathode plate 34, respectively. The anode extensions 33 and the cathode extensions 35 are connected to the anode plate 31 and the cathode plate 34 by circuits, thereby realizing better electrolytic treatment of wastewater inside the water storage chamber 12. The anode extensions 33 and the cathode extensions 35 are staggered inside the water storage chamber 12. A crossbeam 32 is provided on the top of the anode extensions 33 and the cathode extensions 35, and the crossbeam 32 is fixed to the top outer wall of the gas-liquid co-oxidation tank 1 by bolts. This reactor uses a combination of electrolysis and adsorption to treat wastewater, avoiding the need for chemical additives and effectively solving the problems caused by using chemical additives.

[0029] In this embodiment, an aeration assembly 4 is installed below the water storage chamber 12 and located below the electrocatalytic assembly 3. The aeration assembly 4 is used to fill the interior of the water storage chamber 12 with ozone. The aeration assembly 4 includes a main air pipe 41 located on one side of the gas-liquid co-oxidation tank 1, and an air distribution plate 42 is provided on one side of the main air pipe 41. Several branch air pipes 43 are provided on the outer wall of one side of the air distribution plate 42, which penetrate into the interior of the water storage chamber 12. The branch air pipes 43 are located below the electrocatalytic assembly 3. The pore size on the outer surface of the branch air pipes 43 is less than fifty micrometers, which improves the uniformity of ozone distribution inside the water storage chamber 12. The main air pipe 41 is connected to an ozone oxygen source to deliver ozone into the interior of the water storage chamber 12. The main air pipe 41 delivers ozone into the air distribution plate 42, and the air distribution plate 42 delivers it to each branch air pipe 43. The air is evenly distributed into the interior of the water storage chamber 12 through the air holes on the branch air pipes 43.

[0030] In this embodiment, an integrally formed adsorption treatment box 2 is provided below the gas-liquid synergistic oxidation box 1. Both sides of the adsorption treatment box 2 are provided with maintenance ports 21. The maintenance ports 21 facilitate the disassembly and replacement of the filter tube 5. A sealing plate is provided on the maintenance port 21. A guide plate 22 is fixedly provided on the bottom inner wall of the adsorption treatment box 2. The water after adsorption treatment by the filter 6 flows better into the drain pipe 23. A drain pipe 23 is provided on the lower side of the adsorption treatment box 2. The treated water is discharged through the drain pipe 23. The upper surface of the guide plate 22 is a sloping structure. Inside the adsorption treatment tank 2, symmetrically distributed filter tubes 5 are arranged on both sides at the top. A connector 51 is located at the top of each filter tube 5, connecting it to the water storage chamber 12. The filter tubes 5 contain packing material 52, which is activated carbon, ceramsite, or expanded perlite. Activated carbon is a porous ceramic material with strong corrosion resistance and high mechanical strength, suitable for high-temperature and strong acid / alkali environments, and applicable to wastewater treatment requiring deep decolorization, deodorization, or removal of specific pollutants. Ceramsite and expanded perlite are also porous ceramic materials with strong corrosion resistance and high mechanical strength, suitable for high-temperature and strong acid / alkali environments, and used to treat wastewater containing heavy metals or high concentrations of pollutants, such as chemical wastewater and electroplating wastewater. The filter tubes 5 are inclined. Furthermore, a filter 6 is located at the bottom of the adsorption treatment tank 2. The filter tubes 5 and the filter 6 are used for at least the graded adsorption of solid pollutants in the wastewater. The filter 6 includes an external separation frame 61, and an adsorption layer 63 is provided inside the separation frame 61. The adsorption layer 63 is a calcium alginate adsorption layer or slag zeolite. The calcium alginate adsorption layer realizes solid-liquid separation and deep adsorption of micro-pollutants. The slag zeolite is a natural mineral material with a large pore structure, which can adsorb suspended solids and nutrients (such as ammonia nitrogen and phosphorus). The upper surface of the adsorption layer 63 is provided with a slope plate 62. The slope plate 62 has a mesh structure, which can evenly distribute the water quality after being treated by the filter pipe 5 onto the slope plate 62, so as to achieve better entry into the adsorption layer 63 and improve the adsorption effect of pollutants in the water quality.

Claims

1. A high-concentration wastewater deep treatment reactor, comprising: A gas-liquid synergistic oxidation box (1); characterized in that: an integrally formed adsorption treatment box (2) is provided below the gas-liquid synergistic oxidation box (1), a water storage chamber (12) is provided inside the upper part of the gas-liquid synergistic oxidation box (1), an electrocatalytic component (3) is provided on both sides inside the water storage chamber (12), the electrocatalytic component (3) is used at least to treat organic pollutants in wastewater and remove heavy metal ions through electrochemical reaction, and an aeration component (4) is installed below the water storage chamber (12) located below the electrocatalytic component (3), the aeration component (4) is used at least to fill the inside of the water storage chamber (12) with ozone; The adsorption treatment box (2) is provided with filter tubes (5) symmetrically distributed on both sides at the upper part of the interior, and a filter (6) is provided at the lower part of the interior. The filter tubes (5) and the filter (6) are used for the graded adsorption of solid pollutants in wastewater.

2. The high-concentration wastewater deep treatment reactor according to claim 1, characterized in that: Both sides of the gas-liquid synergistic oxidation chamber (1) are fixed with sealing plates (11) by bolts, and the electrocatalytic components (3) are fixed on the inner sidewalls of the sealing plates (11).

3. The high-concentration wastewater deep treatment reactor according to claim 1, characterized in that: The adsorption treatment box (2) is provided with maintenance ports (21) on both sides, and a sealing plate is provided on the maintenance ports (21). A guide plate (22) is fixedly provided on the bottom inner wall of the adsorption treatment box (2), and a drain pipe (23) is provided on one side of the adsorption treatment box (2). The upper surface of the guide plate (22) is a sloping structure.

4. The high-concentration wastewater deep treatment reactor according to claim 1, characterized in that: The electrocatalytic component (3) includes an anode plate (31) and a cathode plate (34). Several anode extensions (33) and cathode extensions (35) are fixedly installed on one side of the outer wall of the anode plate (31) and the cathode plate (34), respectively. The anode extensions (33) and cathode extensions (35) are staggered inside the water storage cavity (12). Both the anode extension (33) and the cathode extension (35) are provided with a crossbeam (32) at their top, and the crossbeam (32) is fixed to the top outer wall of the gas-liquid co-oxidation tank (1) by bolts.

5. The high-concentration wastewater deep treatment reactor according to claim 4, characterized in that: The anode plate (31) is made of titanium-based coated plate IrO2-Ta2O5; the cathode plate (34) is made of graphene or stainless steel mesh.

6. The high-concentration wastewater deep treatment reactor according to claim 1, characterized in that: The aeration component (4) includes a main air pipe (41) located on one side of the gas-liquid synergistic oxidation tank (1), and an air distribution plate (42) is provided on one side of the main air pipe (41). Several branch air pipes (43) are provided on the outer wall of one side of the air distribution plate (42) and extend to the lower part of the water storage chamber (12). The branch air pipes (43) are located below the electrocatalytic component (3).

7. A high-concentration wastewater deep treatment reactor according to claim 6, characterized in that: The pore size on the outer surface of the bronchus (43) is less than fifty micrometers.

8. The high-concentration wastewater deep treatment reactor according to claim 1, characterized in that: The filter tube (5) is provided with a connector (51) at the top, and the top of the filter tube (5) is connected to the water storage chamber (12) through the connector (51). The filter tube (5) is provided with a packing material (52) inside, and the filter tube (5) is inclined.

9. A high-concentration wastewater deep treatment reactor according to claim 1, characterized in that: The filter (6) includes an external separation frame (61), the interior of which is provided with an adsorption layer (63), and the upper surface of the adsorption layer (63) is provided with a ramp plate (62).

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