CN212894360U

CN212894360U - Novel rural distributed domestic sewage treatment device

Info

Publication number: CN212894360U
Application number: CN202021488121.2U
Authority: CN
Inventors: 杨柳; 张玲玲; 刘秋文; 薛印
Original assignee: Guangzhou Rich Environmental Protection Technology Co ltd
Current assignee: Guangzhou Rich Environmental Protection Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-06
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a novel rural distributed domestic sewage treatment device, including grid elevator pump well, grid elevator pump well is equipped with good oxygen contact oxidation pond through the pipeline intercommunication, be equipped with sedimentation tank and middle water distribution canal on good oxygen contact oxidation pond's a side, be equipped with the water distribution canal on the sedimentation tank side, be equipped with compound filter bed on the common side of water distribution canal and middle water distribution canal, also be equipped with middle water distribution canal and outlet well on the another side of compound filter bed. The utility model has the advantages that: has the advantages of small floor area, low energy consumption, strong sewage treatment effect and the like.

Description

Novel rural distributed domestic sewage treatment device

Technical Field

The utility model relates to a sewage treatment technical field specifically indicates a novel rural distributed domestic sewage treatment device.

Background

In recent years, with the development of economy in China, the rural living standard is also improved, the yield of domestic sewage is also increased rapidly, the daily production and life of farmers and the rural ecological environment are seriously affected, and the rural domestic sewage becomes one of the main pollution sources of the rural environment.

The rural domestic sewage has the following characteristics: 1. the scale is small; 2. the discharge time point of the domestic sewage is unstable, and the fluctuation of water quality and water quantity is large; 3. the concentration of suspended matters is higher, the concentration of organic matters is lower, and the water quality is alkalescent; 4. most of the sewage is not provided with a drainage and sewage collection pipe network; 5. the process and the technical route are restricted by rural local society, economic development and local natural environment and ecological conditions. The characteristics lead China to be unable to prolong and move large and medium-sized urban sewage treatment processes and design parameters in rural domestic sewage treatment, and cause over-high project investment and operation cost. Therefore, the development and investment is less, the treatment efficiency is high, the energy consumption is low, the management is convenient, and the process suitable for the distributed domestic sewage on-site treatment is the problem which needs to be solved urgently in the rural distributed domestic sewage treatment at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel rural distributed domestic sewage treatment device for solving the various problems.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a novel rural distributed domestic sewage treatment device, includes grid elevator pump well, grid elevator pump well is equipped with good oxygen contact oxidation pond through the pipeline intercommunication, be equipped with sedimentation tank and middle cloth ditch on good oxygen contact oxidation pond's a side, be equipped with the cloth ditch on the sedimentation tank side, be equipped with compound filter bed on the common side of cloth ditch and middle cloth ditch, also be equipped with middle cloth ditch and outlet well on the another side of compound filter bed.

As an improvement, the grid lift pump well comprises a grid well and a lift pump well, the grid well and the lift pump well are of a common-wall integrated structure, a grid net with one inclined surface is arranged in the grid well, a lift pump is arranged at the bottom of the lift pump well, and the upper surface of the lift pump is communicated with the aerobic contact oxidation tank through a pipeline.

As an improvement, the bottom of the grid well and the suspended side face of the grid well are both composed of horizontally placed steel bars and serve as a second layer of grid mesh.

As an improvement, two straight-through square cylinders are vertically arranged in the aerobic contact oxidation tank, an upward inclined partition plate is arranged at the edge of the top of each straight-through square cylinder, a microporous aeration pipe is arranged at the bottom of each straight-through square cylinder, and the microporous aeration pipes are communicated with an air pump used for controlling the microporous aeration pipes through pipelines.

As an improvement, the top of the water outlet well is provided with a gravity backflow device, and the other end of the gravity backflow device is communicated with the grid lifting pump well.

As an improvement, the composite filter bed consists of three filter beds connected in series, namely a filter bed I, a filter bed II and a filter bed III, sewage is in an S-shaped baffling mode in the filter beds, and every two adjacent filter beds are connected through a middle water distribution channel.

As an improvement, the aerobic contact oxidation tank, the sedimentation tank, the water distribution channel, the middle water distribution channel and the composite filter bed adopt an integrated common-wall common-bottom design.

Compared with the prior art, the utility model the advantage lie in:

1. except the grating-lifting pump well, other tank bodies are designed to be integrated and have the same wall and the same bottom, so that the occupied area, the hydraulic power and the energy loss are reduced.

2. The aerobic contact oxidation tank is internally provided with a straight-through square barrel, the bottom of the straight-through square barrel is provided with a microporous aeration pipe, the barrel is internally and externally suspended with elastic filler, an anoxic/aerobic alternative environment can be built in the same reaction tank, and the nitrification/denitrification effect can be achieved without nitrifying liquid reflux.

3. The aerobic contact oxidation tank is aerated by the air pump, and the PLC program is adopted to control the intermittent aeration of the microporous aeration pipe, so that the energy consumption is saved, and the mass transfer efficiency of oxygen can be enhanced.

4. The water distribution channel is connected with the composite filter bed, holes are formed in the composite filter bed in a staggered mode from top to bottom through brick-built flower walls, and the filter bed adopts an S-shaped deflection mode in a water passing mode, so that the purposes of uniformly distributing water and greatly prolonging the hydraulic retention time are achieved, and the high-load filter bed operation mode is achieved.

5. The water outlet well adopts gravity backflow to flow part of the discharged water back to the grating-lifting pump well, and the switch is controlled by a manual valve. This operation can stabilize the inflow, guarantees that the system keeps the running state all the time.

6. The composite filter bed adopts self-developed dephosphorization light filler, and the ratio of the dephosphorization light filler to the phosphorus-containing light filler is 1: 2, the reasonable water-material ratio is matched with special plants planted on the filter bed, and the two are combined to generate three reactions of physics, chemistry and biology to achieve the strongest sewage treatment effect.

7. The whole device system only has two electrical devices, namely a lifting pump and an air pump, and the rest follow the natural rule and drive the water flow to flow by adopting the gravity action, so that the energy consumption is low, and the maintenance is simple and convenient.

Drawings

Fig. 1 is a front view structure schematic diagram of the novel rural distributed domestic sewage treatment device.

Fig. 2 is a schematic view of the overlooking structure of the novel rural distributed domestic sewage treatment device.

As shown in the figure: 1. a grid lift pump well; 2. an aerobic contact oxidation tank; 3. a sedimentation tank; 4. a water distribution channel; 5. a composite filter bed; 6. a water channel is distributed in the middle; 7. a water outlet well; 8. a grid net; 9. a lift pump; 10. straight-through square cylinder; 11. a microporous aeration pipe; 12. an air pump; 13. a gravity reflux device; 14. a filter bed I; 15. a filter bed II; 16. and (3) a filter bed III.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With the attached

drawings

1 and 2, the novel rural distributed domestic sewage treatment device comprises an integrated grid lifting pump well 1, wherein the grid lifting pump well 1 integrates grid and water collection functions and is internally provided with a grid net 8 and a lifting pump 9. The grid lift pump well 1 is connected with the aerobic contact oxidation tank 2 through a lift pump pipeline. A square barrel 10 with two open ends is arranged in the aerobic contact oxidation tank 2, a microporous aeration pipe 11 is arranged at the bottom, and the microporous aeration pipe 11 is controlled to be switched by an air pump 12; elastic filler is suspended inside and outside the cylinder. In the aeration process, the sewage forms annular closed flow inside and outside the barrel due to the disturbance of the airflow, and the nitrification and denitrification reaction can be effectively carried out. The aerobic contact oxidation tank 2 is communicated with the sedimentation tank 3 through a top overflow weir crest, and the sedimentation tank 3 is connected with the water distribution channel 4 through the top overflow weir crest. The water distribution channel 4 is communicated with the composite filter bed 5 through a flower wall at the bottom of the right side. The composite filter bed 5 is composed of three filter beds connected in series, namely a filter bed I14, a filter bed II 15 and a filter bed III 16, every two adjacent filter beds are connected through the middle distribution channel 6, and the water flow mode among the three filter beds is an S-shaped baffling mode. The water inlet end of the filter bed is communicated with the water distribution channel through a brick-built flower wall at the lower part, and the water outlet end of the filter bed is communicated with the brick-built flower wall at the upper part of the water distribution channel. The filter bed III 16 is also connected with the water outlet well 7 through an upper brick-laid wall. And the top of the side surface of the water outlet well 7 is provided with a gravity backflow device 13, and the other end of the pipeline of the gravity backflow device 13 is communicated with the grid lift pump well 1.

The aerobic contact oxidation tank 2, the sedimentation tank 3, the water distribution channel 4 and the composite filter bed 5 are designed to be integrated and have the same wall and the same bottom, and greening plants are planted on the surface of the composite filter bed 5.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a novel rural distributed domestic sewage treatment device which characterized in that: including grid elevator pump well (1), grid elevator pump well (1) is equipped with aerobic contact oxidation pond (2) through the pipeline intercommunication, be equipped with sedimentation tank (3) and middle cloth ditch (6) on the side of aerobic contact oxidation pond (2), be equipped with cloth ditch (4) on sedimentation tank (3) a side, be equipped with compound filter bed (5) on cloth ditch (4) and the common side of middle cloth ditch (6), also be equipped with middle cloth ditch (6) and outlet shaft (7) on the another side of compound filter bed (5).

2. The novel rural distributed domestic sewage treatment device of claim 1, wherein: grid elevator pump well (1) is including grid well and elevator pump well, grid well and elevator pump well are for sharing wall body structure, the grid well is inside to be equipped with grid net (8) that the one side slope was placed, elevator pump well bottom is equipped with elevator pump (9), the higher authority of elevator pump (9) through the pipeline with good oxygen contact oxidation pond (2) are linked together.

3. The novel rural distributed domestic sewage treatment device of claim 2, wherein: the bottom of the grid well and the suspended side face of the grid well are both composed of horizontally placed steel bars and serve as a second layer of grid mesh.

4. The novel rural distributed domestic sewage treatment device of claim 1, wherein: the aerobic contact oxidation tank is characterized in that two straight-through square cylinders (10) are vertically arranged in the aerobic contact oxidation tank (2), an obliquely upward partition plate is arranged on the top edge of each straight-through square cylinder (10), microporous aeration pipes (11) are arranged at the bottoms of the straight-through square cylinders (10), and air pumps (12) used for controlling the microporous aeration pipes (11) are communicated with the microporous aeration pipes (11) through pipelines.

5. The novel rural distributed domestic sewage treatment device of claim 1, wherein: and a gravity backflow device (13) is arranged at the top of the water outlet well (7), and the other end of the gravity backflow device (13) is communicated with the grid lifting pump well (1).

6. The novel rural distributed domestic sewage treatment device of claim 1, wherein: the composite filter bed (5) consists of three filter beds connected in series, namely a filter bed I (14), a filter bed II (15) and a filter bed III (16), sewage is in an S-shaped baffling mode, and every two adjacent filter beds are connected through a middle water distribution channel (6).

7. The novel rural distributed domestic sewage treatment device of claim 1, wherein: the aerobic contact oxidation tank (2), the sedimentation tank (3), the water distribution channel (4), the middle water distribution channel (6) and the composite filter bed (5) adopt an integrated common-wall common-bottom design.