CN210945232U - A new type of rural sewage treatment device - Google Patents

Abstract

The utility model discloses a novel rural sewage treatment device, which comprises an anaerobic digestion tank, an aeration lifting well and an aerobic filter tank. The two sides of the horizontal end of the anaerobic digestion tank are respectively provided with a grid well and an anaerobic filter tank. A filter tank, and the side of the anaerobic filter tank away from the anaerobic digestion tank is provided with an aeration lift well, and the side of the aeration lift well away from the anaerobic filter tank is provided with an aerobic filter tank, and the aerobic filter tank An oxidation ditch is arranged on the side away from the aeration lifting well, and a water pump is fixedly connected to the inner low end of the aeration lifting well. In the utility model, the cleaned sewage enters the aeration lifting well through the groove, and the aeration lifting well and the ejector cooperate with each other, so that the sewage can be fully contacted with the air, and the sewage and the active sewage inside the aeration tank can pass through. The mud is fused to degrade the pollutants. After the aeration operation is completed, the sewage is lifted by the water pump, so as to speed up the aeration and lifting and reduce the volume of the equipment.

Description

A new type of rural sewage treatment device

technical field

The utility model relates to the technical field of sewage treatment, in particular to a novel rural sewage treatment device.

Background technique

Sewage treatment: The process of purifying sewage in order to make it meet the water quality requirements for discharge into a body of water or for reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields, and is increasingly entering the daily life of ordinary people.

However, most of the sewage in rural areas is directly discharged without treatment. If the untreated sewage is discharged for a long time, it will have a certain impact on the environment and damage the ecological environment. In some areas with sewage treatment, most of the traditional sewage treatment technology is used. , The aerobic process section is treated by the lifting of the sewage pump and the aeration of the blower, which is large in volume and occupies a large area of space.

Utility model content

The purpose of the utility model is to propose a new type of rural sewage treatment device in order to solve the problem of existing rural sewage treatment.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A new type of rural sewage treatment device includes an anaerobic digester, an aeration lift well and an aerobic filter. The horizontal end of the anaerobic digester is respectively provided with a grid well and an anaerobic filter. The side of the oxygen filter tank far from the anaerobic digester is provided with an aeration lift well, the side of the aeration lift well away from the anaerobic filter tank is provided with an aerobic filter tank, and the aerobic filter tank is far from the aeration lift well An oxidation ditch is provided on one side of the aeration lift well, and a water pump is fixedly connected to the inner low end of the aeration lifting well, and the water pump is communicated with the inner low end of the aerobic filter through the second connecting pipe, and the middle position of the second connecting pipe is set There are jets.

As a further description of the above technical solution:

A water inlet pipe is communicated with a side of the grid well away from the anaerobic digester, and a solenoid valve is arranged on the water inlet pipe.

As a further description of the above technical solutions:

A grid is fixedly connected to the inner vertical position of the grid well, and the top of the grid well is communicated with the inner low end of the anaerobic digester through a first connecting pipe.

As a further description of the above technical solutions:

The interior of the anaerobic filter is provided with a first fine filter and a first coarse filter from top to bottom, and the lower end of the anaerobic filter is connected to the top of the anaerobic digester through a first connecting pipe, and the first connection The lower end of the tube extends below the first strainer.

As a further description of the above technical solutions:

The inside of the aerobic filter tank is provided with a second fine filter screen and a second coarse filter screen from top to bottom.

As a further description of the above technical solutions:

The inside of the oxidation ditch is laid with aerobic filter material, and a water outlet pipe is communicated with one side of the oxidation ditch.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

In the utility model, the sewage enters the anaerobic digestion tank through the first connecting pipe, and the residence time is more than ten hours. After staying for 16 hours, the sewage passes through the first coarse filter screen and the first fine filter screen to further remove part of the particles. After the cleaning is completed, the sewage enters the aeration lifting well through the groove. With the cooperation, the sewage is fully contacted with the air, and the sewage is fused with the activated sludge inside the aeration tank to degrade the pollutants. After the aeration operation is completed, the sewage is lifted by the pump to accelerate the aeration and lifting. to reduce the volume of the equipment; the lifted sewage enters the aerobic filter tank through the second connecting pipe, and the sewage is filtered through the second coarse filter screen and the second fine filter screen, and the filtered sewage enters the oxidation ditch through the pipeline. In the process, after further oxidation treatment is carried out through aerobic filter material, it is discharged through the water outlet pipe, so as to complete the effective treatment of sewage, which is smaller than the existing device and takes less time.

Description of drawings

Fig. 1 is the front structure schematic diagram of a novel rural sewage treatment device proposed by the utility model;

FIG. 2 is a schematic structural diagram of a flow chart of a new type of rural sewage treatment device proposed by the utility model.

illustration:

1. Water inlet pipe; 2. Solenoid valve; 3. Grille well; 4. Grille; 5. Anaerobic digester; 6. Anaerobic filter; 7. Connecting pipe; 8. The first fine filter; 9. The first coarse screen; 10, the aeration lifting well; 11, the water pump; 12, the second connecting pipe; 13, the ejector; 14, the aerobic filter; 15, the second fine screen; 16, the second coarse filter net; 17, oxidation ditch; 18, aerobic filter material; 19, outlet pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-2, the present utility model provides a technical solution: a new type of rural sewage treatment device, including an anaerobic digester 5, an aeration lift well 10 and an aerobic filter 14, the anaerobic digester 5 A grid well 3 and an anaerobic filter tank 6 are respectively provided on both sides of the horizontal end, and the side of the anaerobic filter tank 6 away from the anaerobic digester 5 is provided with an aeration lift well 10, and the aeration lift well 10 is far away from the anaerobic digestion tank 5. One side of the filter tank 6 is provided with an aerobic filter tank 14, and the side of the aerobic filter tank 14 away from the aeration lifting well 10 is provided with an oxidation ditch 17, and the inner low end of the aeration lifting well 10 is fixedly connected with a water pump 11, And the water pump 11 is communicated with the inner low end of the aerobic filter tank 14 through the second connecting pipe 12 , and a jet 13 is arranged in the middle of the second connecting pipe 12 .

Specifically, as shown in FIG. 1 , the side of the grid well 3 away from the anaerobic digester 5 is connected with a water inlet pipe 1 , and the water inlet pipe 1 is provided with a solenoid valve 2 , and the inner vertical position of the grid well 3 is fixedly connected There is a grid 4 , and the top of the grid well 3 communicates with the inner low end of the anaerobic digester 5 through a first connecting pipe 7 .

Specifically, as shown in FIG. 1 , the interior of the anaerobic filter 6 is provided with a first fine filter 8 and a first coarse filter 9 from top to bottom, and the lower end of the anaerobic filter 6 passes through the first connecting pipe 7 It is communicated with the top of the anaerobic digester 5, and the lower end of the first connecting pipe 7 extends to the bottom of the first coarse filter screen 9. The inside of the aerobic filter tank 14 is provided with a second fine filter screen 15 and a second filter screen from top to bottom. Strainer 16.

Specifically, as shown in FIG. 1 , the inside of the oxidation ditch 17 is laid with aerobic filter material 18, and one side of the oxidation ditch 17 is communicated with a water outlet pipe 19.

Working principle: When in use, open the solenoid valve 2, the sewage enters the grid well 3 through the water inlet pipe 1, and the larger particles are filtered through the grid 4. After the filtration is completed, the sewage enters the anaerobic digestion through the first connecting pipe 7. In the tank 5, the residence time is more than ten hours, the organic matter is decomposed by the facultative bacteria and the anaerobic bacteria in the anaerobic digestion tank 5, thereby producing methane gas, and the sewage after the anaerobic digestion operation is completed and then transported through the first connecting pipe 7 To the inside of the anaerobic filter 6, and stay in it for sixteen hours, the sewage passes through the first coarse filter 9 and the first fine filter 8 to further remove some particles, and the cleaned sewage enters through the groove. In the aeration lifting well 10, through the mutual cooperation of the aeration lifting well 10 and the ejector 13, the gas such as methane is volatilized into the air, and the sewage is fully contacted with the air, and the activated sludge in the sewage and the aeration tank is passed through. Fusion is carried out to degrade pollutants. After the aeration operation is completed, the sewage is lifted by the water pump 11, so as to speed up the aeration and lifting, and reduce the volume of the equipment; the lifted sewage enters the aerobic filter through the second connecting pipe 12. The pond 14 is stored for five hours. During the storage process, the sewage is filtered through the second coarse filter screen 16 and the second fine filter screen 15, and the filtered sewage enters the oxidation ditch 17 through the pipeline, and the aerobic After the filter material 18 is further oxidized, it is discharged through the water outlet pipe 19 to complete the effective treatment of the sewage, which is smaller in volume and takes less time than the existing device.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A novel rural sewage treatment device, which comprises an anaerobic digestion tank (5), an aeration lifting well (10) and an aerobic filter tank (14), it is characterized in that two sides of the horizontal end of the anaerobic digestion tank (5) are respectively provided with a grating well (3) and an anaerobic filter tank (6), and an aeration lifting well (10) is arranged on one side of the anaerobic filter tank (6) far away from the anaerobic digestion tank (5), an aerobic filter tank (14) is arranged on one side of the aeration lifting well (10) far away from the anaerobic filter tank (6), and an oxidation ditch (17) is arranged on one side of the aerobic filter (14) far away from the aeration lifting well (10), the lower end of the interior of the aeration lifting well (10) is fixedly connected with a water pump (11), and the water pump (11) is communicated with the lower end of the interior of the aerobic filter tank (14) through a second connecting pipe (12), and an ejector (13) is arranged in the middle of the second connecting pipe (12).

2. The novel rural sewage treatment device according to claim 1, wherein a water inlet pipe (1) is communicated with one side of the grid well (3) far away from the anaerobic digestion tank (5), and the water inlet pipe (1) is provided with an electromagnetic valve (2).

3. The novel rural sewage treatment device according to claim 1, wherein the grating (4) is fixedly connected to the vertical position in the grating well (3), and the top end of the grating well (3) is communicated with the lower end in the anaerobic digestion tank (5) through a first connecting pipe (7).

4. The novel rural sewage treatment device according to claim 1, wherein the interior of the anaerobic filter tank (6) is provided with a first fine filter screen (8) and a first coarse filter screen (9) from top to bottom, the lower end of the anaerobic filter tank (6) is communicated with the top end of the anaerobic digestion tank (5) through a first connecting pipe (7), and the lower end of the first connecting pipe (7) extends to below the first coarse filter screen (9).

5. The novel rural sewage treatment device according to claim 1, wherein a second fine filter screen (15) and a second coarse filter screen (16) are arranged in the aerobic filter (14) from top to bottom.

6. The novel rural sewage treatment device according to claim 1, wherein an aerobic filter material (18) is laid inside the oxidation ditch (17), and a water outlet pipe (19) is communicated with one side of the oxidation ditch (17).

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