Multi-stage series ozone oxidation wastewater treatment device

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a multi-stage series-connection ozone oxidation wastewater treatment device, which is provided with a plurality of groups of ozone which can be combined in series to perform combined action for aeration, uses sewage with different concentrations to treat the efficiency and improve the practicability. Comprising a sewage treatment tank, a water outlet, a first opening and closing valve, an ozone generator, a gas conveying pipe, a fixing piece, a fixing bolt, a connecting frame, a stirring driving motor, a speed reducer, a rotating rod and stirring blades, the lower middle side of the front end of the sewage treatment tank communicates with the inner side of the water outlet, and the water outlet is provided with the first opening and closing valve; the upper sides of the two sets of fixing bolts are connected with the inner sides of a set of connecting frames respectively, the outer sides of the two sets of connecting frames are connected to the front end and the rear end of the upper side in the sewage treatment pond respectively, and the middle of the left end of the sewage treatment pond is connected with the inner side of a speed reducer. Multiple groups of stirring blades are connected to the outer side of the rotating rod.

Description

Technical Field

[0001] This utility model relates to the technical field of wastewater treatment, specifically to a multi-stage series ozone oxidation wastewater treatment device. Background Technology

[0002] Ozone has a strong oxidizing ability and is therefore widely used in environmental protection and chemical industries. Ozone oxidation for wastewater treatment uses air or oxygen containing a low concentration of ozone. The main process equipment consists of an ozone generator and air-water contact equipment. Ozone oxidation is mainly used for water disinfection, removal of pollutants such as phenols and cyanides, decolorization, removal of metal ions such as iron and manganese, and deodorization.

[0003] An existing ozone oxidation wastewater treatment device, such as the one with patent publication number CN215855313U, can effectively improve ozone utilization. Compared with existing ozone oxidation devices, it can increase ozone oxidation efficiency by more than 50%, thereby improving wastewater treatment efficiency. Under the same water quality conditions, it can save and reduce unit energy consumption by more than 50%, thus effectively reducing the cost of wastewater treatment.

[0004] However, due to the limited power supply of the ozone generator in this device, the processing efficiency is insufficient and its practicality is poor. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a multi-stage series ozone oxidation wastewater treatment device that improves practicality by setting up multiple sets of ozone that can be combined in series to work together for aeration, using different concentrations of ozone for wastewater treatment efficiency.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage series ozone oxidation wastewater treatment device, comprising a wastewater treatment tank, a drain outlet, an on / off valve, an ozone generator, a gas supply pipe, a fixing plate, fixing bolts, a connecting frame, a stirring drive motor, a reducer, a rotating rod, and stirring blades. The lower front end of the wastewater treatment tank is connected to the inner side of the drain outlet, and an on / off valve is installed on the drain outlet. The front and rear ends of the left and right sides of the wastewater treatment tank are respectively connected to the inner side of a group of ozone generators. The output end of each group of ozone generators is respectively connected to a gas supply pipe. A set of gas supply pipes, with the output ends of two sets of horizontal gas supply pipes connected to both sides of the fixed plate, and the other side of the fixed plate connected to the input end of the fixing bolts. The upper sides of the two sets of fixing bolts are connected to the inner side of a set of connecting frames. The outer sides of the two sets of connecting frames are connected to the front and rear ends of the upper side inside the sewage treatment tank. The middle of the left end of the sewage treatment tank is connected to the inner side of the reducer. The input end of the reducer is connected to the output end of the stirring drive motor. The output end of the reducer is connected to the left side of the rotating rod. The rotating rod is rotatably connected inside the sewage treatment tank. Multiple sets of stirring blades are connected to the outer side of the rotating rod.

[0009] Preferably, it also includes a second on / off valve, which is provided at the connection between the output end of the ozone generator and the gas transmission pipe.

[0010] Preferably, it also includes a hinge and a cover plate, with the top left side of the sewage treatment tank being movably connected to the left end of the cover plate via the hinge.

[0011] Preferably, it also includes a screw groove frame, fixing plates and fixing bolts. The front and rear ends of the right side of the cover plate are respectively connected to the inner side of a set of fixing plates. Each set of fixing plates is movably provided with a set of fixing bolts. The front and rear sides of the upper right end of the sewage treatment tank are respectively connected to the inner side of a set of screw groove frames.

[0012] Preferably, it also includes a handle connecting frame and a handlebar, wherein the right end of the cover plate is connected to the left side of the two sets of handle connecting frames, and the right side of the handle connecting frame is connected to the front and rear parts of the left side of the handlebar.

[0013] Preferably, it also includes a gas collecting hopper and a recovery pipe, wherein the top center of the cover plate is connected to the bottom end of the gas collecting hopper, and the output end of the gas collecting hopper is connected to a recovery pipe.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a multi-stage series ozone oxidation wastewater treatment device, which has the following beneficial effects:

[0016] Wastewater can be introduced into the wastewater treatment tank. During treatment, an ozone generator operates as needed, outputting ozone which is then transported through a gas pipe and concentrated by a fixing plate. The ozone is then aerated in the wastewater by fixing bolts. Simultaneously, a stirring drive motor operates, which is slowed down by a reducer to ensure stable rotation of the rotating rod, driving multiple sets of stirring blades to agitate the wastewater, thereby accelerating the mixing of ozone and wastewater and achieving more efficient treatment. After completion, the treated wastewater can be discharged from the drain outlet by opening the on / off valve. By setting up multiple sets of ozone generators that can be connected in series for combined aeration, different concentrations of wastewater can be used to improve treatment efficiency and enhance practicality. Attached Figure Description

[0017] Figure 1 This is an axial view illustrating the structure of this utility model.

[0018] Figure 2 This utility model Figure 1 Top view;

[0019] Figure 3 This utility model Figure 1 The left view;

[0020] Figure 4 This utility model Figure 1 Front view.

[0021] The attached diagram is labeled as follows: 1. Wastewater treatment tank; 2. Drain outlet; 3. On / off valve one; 4. Ozone generator; 5. On / off valve two; 6. Gas supply pipe; 7. Fixing plate; 8. Fixing bolt; 9. Connecting frame; 10. Agitator drive motor; 11. Reducer; 12. Rotating rod; 13. Agitator blade; 14. Hinge; 15. Cover plate; 16. Screw groove frame; 17. Fixing plate; 18. Fixing bolt; 19. Handle connecting frame; 20. Handle rod; 21. Gas collection hopper; 22. Recovery pipe. Detailed Implementation

[0022] 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. Example

[0023] Please see Figure 1-4A multi-stage series ozone oxidation wastewater treatment device includes a wastewater treatment tank 1, a drain outlet 2, an on / off valve 3, an ozone generator 4, a gas supply pipe 6, a fixing plate 7, fixing bolts 8, a connecting frame 9, a stirring drive motor 10, a reducer 11, a rotating rod 12, and stirring blades 13. The lower front end of the wastewater treatment tank 1 is connected to the inner side of the drain outlet 2. The on / off valve 3 is installed on the drain outlet 2. The front and rear ends of the left and right sides of the wastewater treatment tank 1 are respectively connected to the inner side of a set of ozone generators 4. Each set of ozone generators 4 has a set of gas supply pipes 6 connected to its output end. The output ends of the two sets of gas supply pipes 6 are respectively connected to both sides of the fixing plate 7. The other side of the fixing plate 7 is connected to the input end of the fixing bolts 8. The upper sides of the two sets of fixing bolts 8 are respectively connected to the inner side of a set of connecting frames 9. The outer sides of the two sets of connecting frames 9 are respectively connected to the upper front side of the inside of the wastewater treatment tank 1. At the rear end, the middle of the left end of the sewage treatment tank 1 is connected to the inner side of the reducer 11. The input end of the reducer 11 is connected to the output end of the stirring drive motor 10, and the output end of the reducer 11 is connected to the left side of the rotating rod 12. The rotating rod 12 is rotatably connected inside the sewage treatment tank 1, and multiple sets of stirring blades 13 are connected to the outside of the rotating rod 12. Sewage can be introduced through the upper opening of the sewage treatment tank 1. During treatment, according to the needs, the corresponding ozone generator 4 is operated to output ozone, which is conducted through the gas transmission pipe 6 and concentrated through the fixing plate 7. It is then aerated in the sewage by the fixing bolt 8. At the same time, the stirring drive motor 10 is operated and reduced by the reducer 11, so that the rotating rod 12 rotates stably, driving the multiple sets of stirring blades 13 to move and stir the sewage, thereby accelerating the mixing of ozone and sewage, and thus treating it more efficiently. After completion, the treatment sewage can be discharged from the drain outlet 2 through the on / off valve 3.

[0024] It also includes a second on / off valve 5, which is installed at the connection between the output end of the ozone generator 4 and the gas pipeline 6; by controlling the opening and closing of the second on / off valve 5, the gas pipeline 6 can be connected or blocked, avoiding unnecessary use and improving reliability.

[0025] It also includes a hinge 14 and a cover plate 15. The top left side of the sewage treatment tank 1 is movably connected to the left side of the cover plate 15 via the hinge 14. The cover plate 15 can be opened and closed by the constraint of the hinge 14. When opened, it is convenient for internal operation, and when closed, it can protect the inside.

[0026] It also includes a screw groove frame 16, a fixing plate 17, and fixing bolts 18. The front and rear ends of the right side of the cover plate 15 are respectively connected to the inner side of a set of fixing plates 17. Each set of fixing plates 17 has a set of fixing bolts 18 movably installed inside. The front and rear sides of the upper right end of the sewage treatment tank 1 are respectively connected to the inner side of a set of screw groove frames 16. When the cover plate 15 is closed, the fixing plate 17 and the screw groove frame 16 can be aligned. Then, the fixing bolts 18 can be rotated and screwed into the screw groove frame 16 to fix the fixing plate 17 and the screw groove frame 16, so that the cover plate 15 is closed and fixed, improving reliability.

[0027] It also includes a connecting frame 19 and a handle 20. The right end of the cover plate 15 is connected to the left side of the two sets of connecting frames 19, and the right side of the connecting frame 19 is connected to the front and rear left sides of the handle 20. By holding the handle 20, the cover plate 15 can be opened and closed under the connection of the connecting frame 19, which improves convenience.

[0028] It also includes a gas collecting hopper 21 and a recovery pipe 22. The top middle of the cover plate 15 is connected to the bottom of the gas collecting hopper 21, and the output end of the gas collecting hopper 21 is connected to the recovery pipe 22. When the cover plate 15 is closed, the overflow gas can be collected through the gas collecting hopper 21 and then conducted and recovered by the recovery pipe 22.

[0029] In summary, when using a multi-stage series ozone oxidation wastewater treatment device, wastewater can be introduced through the upper inlet of the wastewater treatment tank 1. By holding the handle 20, the cover plate 15 can be closed under the constraint of the hinge 14, connected by the connecting frame 19, so that the fixing plate 17 and the screw groove frame 16 correspond. Then, the fixing bolt 18 can be rotated and screwed into the screw groove frame 16 to fix the fixing plate 17 and the screw groove frame 16, and the cover plate 15 is closed and fixed. During treatment, according to the needs, the corresponding ozone generator 4 is operated to output ozone, which is conducted through the gas transmission pipe 6, and... The gas is collected by the fixing plate 7 and exposed in the sewage by the fixing bolt 8. The overflow gas is collected by the gas collecting hopper 21 and conducted and recovered by the recovery pipe 22. The gas supply pipe 6 can be connected or blocked by the control valve 25 to avoid unnecessary use. At the same time, the stirring drive motor 10 is run. The speed reducer 11 reduces the speed so that the rotating rod 12 rotates stably and drives multiple sets of stirring blades 13 to move and stir the sewage, thereby accelerating the mixing of ozone and sewage and thus treating it more efficiently. After completion, the treatment sewage can be discharged from the drain outlet 2 by opening the valve 3.

[0030] The ozone generator 4, the stirring drive motor 10, and the reducer 11 are commercially available devices known to those skilled in the art. We are simply using them here without making any structural or functional improvements, and we will not elaborate further on them here.

[0031] 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 multi-stage series ozone oxidation wastewater treatment device, characterized in that, The system includes a wastewater treatment tank (1), a drain outlet (2), an on / off valve (3), an ozone generator (4), a gas supply pipe (6), a fixing plate (7), fixing bolts (8), a connecting frame (9), a stirring drive motor (10), a reducer (11), a rotating rod (12), and a stirring blade (13). The lower front end of the wastewater treatment tank (1) is connected to the inner side of the drain outlet (2). An on / off valve (3) is installed on the drain outlet (2). The front and rear ends of the left and right sides of the wastewater treatment tank (1) are respectively connected to the inner side of a set of ozone generators (4). Each set of ozone generators (4) has a set of gas supply pipes (6) connected to its output end. The two sets of gas supply pipes (6) are horizontally connected to each other. The outlet end is connected to both sides of the fixed plate (7), the other side of the fixed plate (7) is connected to the input end of the fixed bolt (8), the upper side of the two sets of fixed bolts (8) is connected to the inner side of a set of connecting frames (9), the outer side of the two sets of connecting frames (9) is connected to the front and rear ends of the upper side of the sewage treatment tank (1), the middle of the left end of the sewage treatment tank (1) is connected to the inner side of the reducer (11), the input end of the reducer (11) is connected to the output end of the stirring drive motor (10), the output end of the reducer (11) is connected to the left side of the rotating rod (12), the rotating rod (12) is rotatably connected inside the sewage treatment tank (1), and multiple sets of stirring blades (13) are connected to the outer side of the rotating rod (12).

2. The multi-stage series ozone oxidation wastewater treatment device according to claim 1, characterized in that: It also includes a second on / off valve (5), which is provided at the connection between the output end of the ozone generator (4) and the gas pipeline (6).

3. The multi-stage series ozone oxidation wastewater treatment device according to claim 1, characterized in that: It also includes a hinge (14) and a cover plate (15), with the top left side of the sewage treatment tank (1) being movably connected to the left side of the cover plate (15) via the hinge (14).

4. The multi-stage series ozone oxidation wastewater treatment device according to claim 1, characterized in that: It also includes a screw groove frame (16), a fixing plate (17) and a fixing bolt (18). The front and rear ends of the right side of the cover plate (15) are respectively connected to the inner side of a set of fixing plates (17). A set of fixing bolts (18) are movably arranged on the inner side of each set of fixing plates (17). The front and rear sides of the upper right end of the sewage treatment tank (1) are respectively connected to the inner side of a set of screw groove frames (16).

5. The multi-stage series ozone oxidation wastewater treatment device according to claim 1, characterized in that: It also includes a connecting frame (19) and a handle (20), the right end of the cover plate (15) is connected to the left side of the two sets of connecting frames (19), and the right side of the connecting frame (19) is connected to the front and rear left sides of the handle (20).

6. The multi-stage series ozone oxidation wastewater treatment device according to claim 1, characterized in that: It also includes a gas collecting hopper (21) and a recovery pipe (22). The top center of the cover plate (15) is connected to the bottom of the gas collecting hopper (21), and the output end of the gas collecting hopper (21) is connected to the recovery pipe (22).

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