A high-speed dissolved gas device based on ozone advanced oxidation

Abstract

This utility model discloses a high-speed dissolved air device based on advanced ozone oxidation, belonging to the field of wastewater treatment technology. It includes a cylindrical shell with a built-in mixing chamber. One end of the shell is sealed with a plug, and the plug and / or the shell has several inlets communicating with the mixing chamber. The other end of the shell is sealed to the inlet of a pressure relief valve, and the outlet of the pressure relief valve is sealed to the inlet of a Venturi jet assembly. The mixing chamber contains a high-speed rotating stirring shaft, with several leaf-shaped aeration discs arranged around its outer periphery. The interior of the stirring shaft has an air guiding passage for introducing ozone to the leaf-shaped aeration discs. This high-speed dissolved air device based on advanced ozone oxidation can improve ozone dissolution efficiency and ozone utilization rate.

Description

Technical Field

[0001] This utility model belongs to the field of wastewater treatment technology, specifically relating to a high-speed dissolved air device based on ozone advanced oxidation. Background Technology

[0002] Ozone advanced oxidation technology is widely used in wastewater treatment due to its powerful oxidizing ability. Its core principle is to achieve efficient degradation of pollutants through the self-oxidation of ozone and its conversion into more potent oxidizing substances. However, this process requires the efficient dissolution of ozone in wastewater to form a highly oxidizing ozone solution. Traditional ozone dissolution devices often employ structures such as aeration discs and bubble towers, which suffer from low ozone dissolution efficiency and insufficient internal pressure, resulting in low ozone utilization and fluctuating treatment effects. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a high-speed dissolved gas device based on advanced ozone oxidation, which can improve ozone dissolution efficiency and ozone utilization rate.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a high-speed dissolved air device based on ozone advanced oxidation, comprising a cylindrical shell with a built-in mixing chamber, one end of the cylindrical shell being sealed and connected to a plug, the plug and / or the cylindrical shell being provided with a plurality of water inlets communicating with the mixing chamber, the other end of the cylindrical shell being sealed and connected to the water inlet of a pressure relief valve, and the water outlet of the pressure relief valve being sealed and connected to the water inlet of a Venturi jet tube assembly; The mixing chamber is equipped with a high-speed rotating stirring shaft, and a number of leaf-shaped aeration discs are arranged on the outer periphery of the stirring shaft. The stirring shaft also has an air guiding passage that can introduce ozone into the leaf-shaped aeration discs.

[0005] Optionally, the stirring shaft is rotatably connected to the plug, and one end of the stirring shaft extends to the outside of the mixing chamber. The end of the stirring shaft extending to the outside of the mixing chamber is provided with a rotary air connector that communicates with the air guide passage.

[0006] Optionally, a synchronous pulley is provided on the outer periphery of one end of the stirring shaft extending outside the mixing chamber, and the synchronous pulley can be driven to the output end of the servo motor via a synchronous belt.

[0007] Optionally, the two ends of the cylindrical shell are connected to the plug and the pressure relief valve via flanges, and sealing gaskets are provided between the cylindrical shell and the plug, and between the cylindrical shell and the pressure relief valve.

[0008] Optionally, several of the water inlets can be connected to wastewater and hydrogen peroxide into the mixing chamber through water inlet pipes, and the water inlet pipes are equipped with one-way valves.

[0009] Optionally, a filter valve may also be installed on the water inlet pipe.

[0010] Optionally, a pressure boosting pipe is provided between the pressure relief valve and the Venturi jet assembly.

[0011] Optionally, the Venturi jet assembly includes a first Venturi jet, a second Venturi jet, and a third Venturi jet connected in series, and the air intakes on the first Venturi jet, the second Venturi jet, and the third Venturi jet are capable of connecting to ozone.

[0012] Compared with existing technologies, the beneficial effects achieved by this invention are as follows: By continuously introducing wastewater and hydrogen peroxide through several inlets, the pressure within the mixing chamber increases continuously before reaching the threshold of the pressure relief valve, thereby improving the solubility and efficiency of ozone in the wastewater and hydrogen peroxide. Simultaneously, ozone bubbles introduced into the mixing chamber through the air guide passage on the stirring shaft and the leaf-shaped aeration disc continuously dissolve into the wastewater and hydrogen peroxide under the stirring action of the leaf-shaped aeration disc, increasing the efficiency of ozone dissolution in the wastewater and hydrogen peroxide, and also ensuring uniform mixing of the wastewater and hydrogen peroxide. When the pressure within the mixing chamber reaches the threshold of the pressure relief valve, the valve opens, allowing the initially mixed and ozone-dissolved wastewater and hydrogen peroxide to enter the Venturi jet assembly. During the flow through the Venturi jet assembly, the wastewater and hydrogen peroxide not only mix further but also further dissolve ozone, increasing the ozone concentration in the wastewater-hydrogen peroxide mixed solution. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 This is a schematic diagram of the structure of the high-speed dissolved gas device based on ozone advanced oxidation in a preferred embodiment of this utility model; The components include: 1. Shell; 101. Mixing chamber; 102. Inlet; 2. Plug; 3. Pressure relief valve; 4. Stirring shaft; 5. Leaf-shaped aeration disc; 6. Rotary air connector; 7. Synchronous pulley; 8. Synchronous belt; 9. Servo motor; 10. Inlet pipe; 11. Check valve; 12. Filter valve; 13. Booster pipe; 14. First Venturi jet pipe; 15. Second Venturi jet pipe; 16. Third Venturi jet pipe. Detailed Implementation

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. These drawings are simplified schematic diagrams, which are only used to illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0016] It should be noted that if directional indicators (such as up, down, bottom, top, etc.) are involved in this embodiment, these directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" and "second" may explicitly or implicitly include one or more of that feature. Unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. Example 1

[0017] like Figure 1 As shown, a high-speed dissolved air device based on ozone advanced oxidation includes a cylindrical shell 1 with a built-in mixing chamber 101. One end of the cylindrical shell 1 is sealed and connected to a plug 2. The plug 2 and / or the cylindrical shell 1 are provided with a plurality of water inlets 102 communicating with the mixing chamber 101. The other end of the cylindrical shell 1 is sealed and connected to the water inlet of a pressure relief valve 3, and the water outlet of the pressure relief valve 3 is sealed and connected to the water inlet of a Venturi jet tube assembly. The mixing chamber 101 is equipped with a stirring shaft 4 that can rotate at high speed. Several leaf-shaped aeration discs 5 are arranged around the outer periphery of the stirring shaft 4. When the leaf-shaped aeration discs 5 rotate with the stirring shaft 4, they can stir and mix the wastewater and hydrogen peroxide placed in the mixing chamber 101. The stirring shaft 4 is equipped with an air guiding passage that can introduce ozone to the leaf-shaped aeration discs 5.

[0018] Specifically, in actual use, the mixing chamber 101 can continuously supply wastewater, hydrogen peroxide, etc. through several inlets 102, causing the pressure inside the mixing chamber 101 to continuously increase before reaching the threshold of the pressure relief valve 3. This significantly increases the contact time between ozone, wastewater, and hydrogen peroxide, as well as the solubility and dissolution efficiency of ozone in wastewater and hydrogen peroxide. During this process, ozone bubbles introduced into the mixing chamber 101 from the air guide passage on the stirring shaft 4 and the leaf-shaped aeration disc 5 can continuously dissolve in wastewater and hydrogen peroxide under the stirring action of the leaf-shaped aeration disc 5. This increases the efficiency of ozone dissolution in wastewater and hydrogen peroxide, and also uniformly mixes wastewater and hydrogen peroxide to obtain a wastewater-hydrogen peroxide mixed solution.

[0019] When the pressure in the mixing chamber 101 reaches the threshold of the pressure relief valve 3, the pressure relief valve 3 opens, allowing the pre-mixed and ozone-dissolved wastewater and hydrogen peroxide to enter the Venturi jet assembly. The Venturi jet assembly includes a first Venturi jet 14, a second Venturi jet 15, and a third Venturi jet 16 connected in series. The air intakes on the first Venturi jet 14, the second Venturi jet 15, and the third Venturi jet 16 are connected to ozone. Therefore, as the wastewater and hydrogen peroxide flow through the Venturi jet assembly, they not only mix further but also dissolve more ozone, increasing the ozone concentration in the wastewater-hydrogen peroxide mixture.

[0020] It is important to note that during the above process, the flow rate of wastewater and hydrogen peroxide entering the mixing chamber 101 from the inlet 102 increases accordingly after the pressure in the mixing chamber 101 reaches the threshold of the pressure relief valve 3. This ensures that the initially mixed wastewater and hydrogen peroxide in the mixing chamber 101 can continuously enter the Venturi jet assembly after dissolving ozone. Furthermore, in this technical solution, the opening of the pressure relief valve 3 can be remotely monitored, and its opening is correlated with the operation of introducing ozone into the first Venturi jet 14, the second Venturi jet 15, and the third Venturi jet 16. That is, when the pressure relief valve 3 is open, ozone can be introduced into the air intakes of the first Venturi jet 14, the second Venturi jet 15, and the third Venturi jet 16; and when the pressure relief valve 3 is closed, the ozone introduced into the first Venturi jet 14, the second Venturi jet 15, and the third Venturi jet 16 can be cut off.

[0021] The above, such as Figure 1 As shown, the stirring shaft 4 is rotatably connected to the plug 2, and one end of it extends to the outside of the mixing chamber 101. The end of the stirring shaft 4 extending to the outside of the mixing chamber 101 is provided with a rotary gas connector 6 that communicates with the gas guide passage, so as to continuously supply ozone to the mixing chamber 101 through the gas guide passage on the stirring shaft 4.

[0022] It should be noted that in this technical solution, the outer periphery of the stirring shaft 4 and the plug 2 can be connected by existing mechanical seals, packing seals, labyrinth seals, etc., to avoid gas and / or liquid leakage.

[0023] Furthermore, such as Figure 1 As shown, a synchronous wheel 7 is provided on the outer periphery of one end of the stirring shaft 4 that extends to the outside of the mixing chamber 101. The synchronous wheel 7 can be driven to the output end of the servo motor 9 through the synchronous belt 8, so that the servo motor 9 can drive the stirring shaft 4 to rotate at high speed.

[0024] In this embodiment, the two ends of the shell 1 are connected to the plug 2 and the pressure relief valve 3 by flanges, and sealing gaskets are provided between the shell 1 and the plug 2 and between the shell 1 and the pressure relief valve 3. Example 2

[0025] like Figure 1 As shown, based on Embodiment 1, several inlets 102 can respectively connect wastewater and hydrogen peroxide to the mixing chamber 101 through inlet pipes 10, and a one-way valve 11 is provided on the inlet pipes 10 to prevent liquid backflow in the mixing chamber 101.

[0026] Furthermore, such as Figure 1 As shown, a filter valve 12 is also installed on the water inlet pipe 10 to filter impurities in wastewater and hydrogen peroxide. Example 3

[0027] like Figure 1 As shown, based on Embodiment 1, a booster pipe 13 is provided between the pressure relief valve 3 and the Venturi jet assembly. The inner diameter of the booster pipe 13 gradually decreases from the end connected to the pressure relief valve 3 to the end connected to the Venturi jet assembly, so that the flow rate of the wastewater-hydrogen peroxide mixed solution in the booster pipe 13 can be continuously increased, thereby improving the efficiency of ozone dissolving into the wastewater-hydrogen peroxide mixed solution in the Venturi jet assembly.

[0028] Working principle: Wastewater and hydrogen peroxide are continuously introduced into the mixing chamber 101 through several inlets 102, causing the pressure inside the mixing chamber 101 to continuously increase before reaching the threshold of the pressure relief valve 3. This significantly increases the contact time between ozone, wastewater, and hydrogen peroxide, as well as the solubility and efficiency of ozone in the wastewater and hydrogen peroxide. During this process, ozone bubbles introduced into the mixing chamber 101 through the air guide passage on the stirring shaft 4 and the leaf-shaped aeration disc 5 can continuously dissolve in the wastewater and hydrogen peroxide under the stirring action of the leaf-shaped aeration disc 5. This increases the efficiency of ozone dissolution in wastewater and hydrogen peroxide, and also uniformly mixes the wastewater and hydrogen peroxide to obtain a wastewater-hydrogen peroxide mixed solution.

[0029] When the pressure in the mixing chamber 101 reaches the threshold of the pressure relief valve 3, the pressure relief valve 3 opens, allowing the pre-mixed and ozone-dissolved wastewater and hydrogen peroxide to enter the Venturi jet assembly. The Venturi jet assembly includes a first Venturi jet 14, a second Venturi jet 15, and a third Venturi jet 16 connected in series. The air intakes on the first Venturi jet 14, the second Venturi jet 15, and the third Venturi jet 16 are connected to ozone. Therefore, as the wastewater and hydrogen peroxide flow through the Venturi jet assembly, they not only mix further but also dissolve more ozone, increasing the ozone concentration in the wastewater-hydrogen peroxide mixture.

[0030] Based on the preferred embodiments of this utility model described above, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A high-speed ozone-based advanced oxidation dissolved gas device, characterized by: The utility model provides a kind of ozone-based wastewater treatment device, including the cylinder shell (1) with built-in mixing cavity (101), one end of the cylinder shell (1) is sealedly connected with the plug cover (2), the plug cover (2) and / or the cylinder shell (1) is provided with several water inlets (102) communicated with the mixing cavity (101), the other end of the cylinder shell (1) is sealedly connected to the water inlet end of pressure relief valve (3), and the water outlet end of the pressure relief valve (3) is sealedly connected to the water inlet end of Venturi jet pipe assembly. Wherein, the mixing cavity (101) is provided with a stirring shaft (4) capable of high-speed rotation, the stirring shaft (4) is provided with a plurality of leaf-shaped aeration discs (5) on the outer periphery, and the inside of the stirring shaft (4) is provided with a gas guide passage capable of guiding ozone to the leaf-shaped aeration disc (5).

2. The high-speed ozone-based advanced oxidation device of claim 1, wherein: The stirring shaft (4) is rotatably connected to the plug cover (2), and one end thereof extends to the outside of the mixing cavity (101), and the end of the stirring shaft (4) extending to the outside of the mixing cavity (101) is provided with a rotating gas connector (6) communicated with the gas guide passage.

3. The high speed ozone-based advanced oxidation device of claim 2, wherein: The end of the stirring shaft (4) extending to the outside of the mixing cavity (101) is provided with a synchronous wheel (7) on the outer periphery, and the synchronous wheel (7) is drivingly connected to the output end of a servo motor (9) through a synchronous belt (8).

4. The high speed ozone-based advanced oxidation device of claim 1, wherein: The two ends of the cylinder shell (1) are connected to the plug cover (2) and the pressure relief valve (3) through flanges, and sealing gaskets are arranged between the cylinder shell (1) and the plug cover (2) and between the cylinder shell (1) and the pressure relief valve (3).

5. The high speed ozone-based advanced oxidation device of claim 1, wherein: The several water inlets (102) can respectively connect wastewater and hydrogen peroxide to the mixing cavity (101) through water inlet pipes (10), and the water inlet pipes (10) are provided with one-way valves (11).

6. The high speed ozone-based advanced oxidation device of claim 5, wherein: The water inlet pipes (10) are also provided with filter valves (12).

7. The high speed ozone-based advanced oxidation device of claim 1, wherein: The pressure relief valve (3) and the Venturi jet pipe assembly are provided with a booster pipe (13) therebetween.

8. The high speed ozone-based advanced oxidation device of claim 1, wherein: The Venturi jet pipe assembly comprises a first Venturi jet pipe (14), a second Venturi jet pipe (15) and a third Venturi jet pipe (16) connected in series, and the suction ports of the first Venturi jet pipe (14), the second Venturi jet pipe (15) and the third Venturi jet pipe (16) can be connected to ozone.

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