Oxidation pond

Abstract

The utility model discloses an oxidation pond in the technical field of sewage treatment, which comprises a pond body, and an upper cover is arranged at the upper end of the pond body. The stirring assembly is arranged in the center of the tank body and is used for stirring liquid in the tank body. An oxygen supply device is wound on the outer side of the stirring assembly, the oxygen supply device comprises a spiral pipe and jet heads, the spiral pipe surrounds the stirring assembly, the jet heads are installed on the side, facing the stirring assembly, of the spiral pipe, and the jet heads face the central axis of the spiral pipe. An ozone supply assembly is arranged on the outer side of the tank body and is communicated with the spiral pipe. Vertical ultraviolet sterilization devices are arranged at four corners in the tank body and are used for sterilizing liquid in the tank body. The ozone utilization efficiency and the sewage treatment efficiency are high, and the disinfection and sterilization effects are good.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an oxidation pond. Background Art

[0002] Due to its advantages in disinfection, decolorization and removal of persistent dissolved organic carbon, ozone is widely used in sewage treatment.

[0003] However, the existing oxidation ponds using ozone have insufficient mixing uniformity between the gas and liquid phases, resulting in poor mass transfer between the gas and liquid phases, reducing the utilization efficiency of ozone and affecting the efficiency of sewage treatment. Utility Model Content

[0004] The main purpose of the utility model is to provide an oxidation pond for solving the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An oxidation pool includes a pool body, and an upper cover is provided at the upper end of the pool body. It also includes a stirring assembly arranged at the center of the pool body, and the stirring assembly is used to stir the liquid in the pool body. An oxygen supply device is arranged around the outside of the stirring assembly, and the oxygen supply device includes a spiral tube and a jet head. The spiral tube surrounds the stirring assembly and a plurality of jet heads are installed on the side of the spiral tube facing the stirring assembly, and the jet heads face the central axis of the spiral tube. An ozone supply assembly is arranged on the outside of the pool body, and the ozone supply assembly is connected to the spiral tube. Vertical ultraviolet sterilization devices are arranged at the four corners of the pool body, which are used to sterilize the liquid in the pool body.

[0007] Furthermore, the stirring assembly includes a stirring motor, a stirring shaft and a stirring paddle. The power output shaft of the stirring motor rotates through the upper cover and extends into the pool body. The power output shaft is connected to the stirring shaft, and the stirring paddle is fixed to the stirring shaft.

[0008] Furthermore, a safe distance is left between the stirring paddle and the oxygen supply device to avoid interference.

[0009] Furthermore, the ozone supply assembly includes an ozone generator, a first connecting pipe, an air pump and a second connecting pipe which are connected in sequence, and the second connecting pipe is connected to the lower end of the spiral tube.

[0010] Furthermore, the ultraviolet sterilization device comprises an ultraviolet sterilization lamp, and a sealed transparent cover is arranged outside the ultraviolet sterilization lamp.

[0011] Furthermore, the upper cover is connected with a liquid inlet pipe and a pressure relief pipe, and the bottom of the pool body is connected with a liquid outlet pipe.

[0012] The utility model also includes other components that enable the oxidation pool to be used normally, and these devices or components all adopt conventional technical means in the art. In addition, the devices and components not limited in the utility model all adopt conventional technical means in the art, such as the stirring motor, ozone generator, etc. in this application. In the specific implementation process, the appropriate equipment or component model can be selected according to the specific working scene.

[0013] The working principle of the utility model is: a stirring assembly is arranged in the oxidation pool, and a spiral tube and a nozzle facing the central axis of the spiral tube are arranged around the stirring assembly, so that ozone and sewage can be mixed more evenly, and the utilization efficiency of ozone and sewage treatment efficiency can be improved. In addition, ultraviolet sterilization devices are arranged at the four corners inside the pool body to further improve the sterilization effect.

[0014] Compared with the prior art, the utility model has the following beneficial effects: high ozone utilization efficiency and sewage treatment efficiency, and good disinfection and sterilization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of an oxidation pond.

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0017] In the figure: 1. pool body; 2. upper cover; 3. stirring motor; 4. stirring shaft; 5. stirring paddle; 6. spiral tube; 7. jet nozzle; 8. ozone generator; 9. first connecting pipe; 10. air pump; 11. second connecting pipe; 12. ultraviolet germicidal lamp; 13. liquid inlet pipe; 14. liquid outlet pipe; 15. pressure relief pipe. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Example:

[0020] like Figures 1-2 As shown, an oxidation pool includes a pool body 1, and an upper cover 2 is provided at the upper end of the pool body 1. It also includes a stirring assembly arranged in the center of the pool body 1, and the stirring assembly is used to stir the liquid in the pool body 1. An oxygen supply device is arranged around the outside of the stirring assembly, and the oxygen supply device includes a spiral tube 6 and a nozzle 7. The spiral tube 6 surrounds the stirring assembly and a plurality of nozzles 7 are installed on the side of the spiral tube 6 facing the stirring assembly, and the nozzle 7 faces the central axis of the spiral tube 6. An ozone supply assembly is arranged on the outside of the pool body 1, and the ozone supply assembly is connected to the spiral tube 6. Vertical ultraviolet sterilization devices are arranged at the four corners of the pool body 1 for sterilizing the liquid in the pool body 1.

[0021] Specifically, the stirring assembly includes a stirring motor 3, a stirring shaft 4 and a stirring paddle 5. The power output shaft of the stirring motor 3 rotates through the upper cover 2 and extends into the tank body 1. The power output shaft is connected to the stirring shaft 4, and the stirring paddle 5 is fixed to the stirring shaft 4. The ozone supply assembly includes an ozone generator 8, a first connecting pipe 9, an air pump 10 and a second connecting pipe 11 connected in sequence. The second connecting pipe 11 is connected to the lower end of the spiral tube 6.

[0022] In order to ensure the normal operation of the device, a safe distance needs to be set between the stirring blade 5 and the oxygen supply device to avoid interference.

[0023] In addition, the ultraviolet sterilization device includes an ultraviolet sterilization lamp 12, and a sealed transparent cover is provided outside the ultraviolet sterilization lamp 12. The upper cover 2 is connected with a liquid inlet pipe 13 and a pressure relief pipe 15, and the bottom of the pool body 1 is connected with a liquid outlet pipe 14.

[0024] The working principle of the oxidation pool of the utility model is as follows: a stirring assembly is arranged in the oxidation pool, and a spiral tube 6 and a nozzle facing the central axis of the spiral tube 6 are arranged around the stirring assembly, so that ozone and sewage can be mixed more evenly, and the utilization efficiency of ozone and the sewage treatment efficiency can be improved. In addition, ultraviolet sterilization devices are arranged at the four corners inside the pool body 1 to further improve the sterilization effect.

[0025] The above embodiments are only descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope of the present invention.

Claims

1. An oxidation pond, comprising a pond body (1), wherein an upper cover (2) is provided at the upper end of the pond body (1), characterized in that: The invention also comprises a stirring assembly arranged at the center of the pool body (1), the stirring assembly being used to stir the liquid in the pool body (1); an oxygen supply device is arranged around the outside of the stirring assembly, the oxygen supply device comprises a spiral tube (6) and a nozzle (7), the spiral tube (6) surrounds the stirring assembly and a plurality of nozzles (7) are installed on the side of the spiral tube (6) facing the stirring assembly, the nozzles (7) facing the central axis of the spiral tube (6); an ozone supply assembly is arranged on the outside of the pool body (1), the ozone supply assembly is connected to the spiral tube (6); vertical ultraviolet sterilization devices are arranged at the four corners of the pool body (1), which are used to sterilize the liquid in the pool body (1).

2. The oxidation pond according to claim 1, characterized in that: The stirring assembly comprises a stirring motor (3), a stirring shaft (4) and a stirring paddle (5); the power output shaft of the stirring motor (3) rotates through the upper cover (2) and extends into the tank body (1); the power output shaft is connected to the stirring shaft (4); and the stirring paddle (5) is fixedly connected to the stirring shaft (4).

3. The oxidation pond according to claim 2, characterized in that: A safe distance is left between the stirring paddle (5) and the oxygen supply device to avoid interference.

4. The oxidation pond according to claim 1, characterized in that: The ozone supply assembly comprises an ozone generator (8), a first connecting pipe (9), an air pump (10) and a second connecting pipe (11) which are connected in sequence, and the second connecting pipe (11) is connected to the lower end of the spiral tube (6).

5. The oxidation pond according to claim 1, characterized in that: The ultraviolet sterilization device comprises an ultraviolet sterilization lamp (12), and a sealed transparent cover is provided on the outside of the ultraviolet sterilization lamp (12).

6. The oxidation pond according to claim 1, characterized in that: The upper cover (2) is connected to a liquid inlet pipe (13) and a pressure relief pipe (15), and the bottom of the pool body (1) is connected to a liquid outlet pipe (14).

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