CN215480427U

CN215480427U - Domestic sewage integration treatment facility

Info

Publication number: CN215480427U
Application number: CN202122222526.2U
Authority: CN
Inventors: 谭福兵; 伍军良; 陈太泉
Original assignee: Hunan Greenstar Environmental Protection Co ltd
Current assignee: Hunan Greenstar Environmental Protection Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-11
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses integrated domestic sewage treatment equipment, which comprises a grid well, wherein an adjusting tank is arranged on one side of the grid well, a pre-anoxic tank is arranged on one side of the adjusting tank, an anaerobic tank is arranged on one side of the pre-anoxic tank, the pre-anoxic tank is additionally arranged in the integrated domestic sewage treatment equipment, more dissolved oxygen, nitrate and nitrite are carried in backflow liquid in the sludge backflow process in the traditional nitrogen and phosphorus removal process, and adverse influence is generated on the phosphorus release process in phosphorus removal, the process effectively avoids the influence in the aspect by adding the pre-anoxic tank, enhances the nitrogen and phosphorus removal process, increases the nitrogen and phosphorus removal efficiency, removes the number of escherichia coli in domestic sewage by arranging a disinfection medicine adding barrel at the rear end of the system, solves the problems of complexity, high cost and the like of the traditional liquid chlorine adding system, adopts the integrated equipment with high treatment efficiency, occupies a small area, and has good economic feasibility and environmental friendliness, realizing the standard discharge of domestic sewage treatment.

Description

Domestic sewage integration treatment facility

Technical Field

The utility model relates to the technical field of domestic sewage treatment, in particular to domestic sewage integrated treatment equipment.

Background

With the implementation of urban construction, environmental protection and treatment become a new problem and living beings are taken as the most important part of environmental treatment and protection, domestic sewage mainly comprises domestic sewage such as washing water, bath water, toilet flushing water and the like, but the sewage is directly discharged into nearby water systems without any treatment in the past, so that the water quality and the environmental landscape of the nearby water systems are seriously influenced, the current domestic sewage treatment system firstly adjusts the sewage into a septic tank in a centralized manner, and discharges the sewage into the nearby water systems after being treated by the limited procedures such as simple sedimentation, an oxidation pond, a wetland and the like; many treatment sites can not meet the discharge requirements, and can still cause pollution to nearby water systems, and the existing equipment has large floor area and high manufacturing cost, and greatly improves the use cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a domestic sewage integrated treatment device to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a domestic sewage integration treatment facility, includes the grid well, one side of grid well is provided with the equalizing basin, and one side of equalizing basin is provided with oxygen deficiency pond in advance, and the anaerobism pond is installed to one side in oxygen deficiency pond in advance, and one side in anaerobism pond installs the oxygen deficiency pond, and good oxygen pond is installed to one side in oxygen deficiency pond, and one side in good oxygen pond is provided with the sedimentation tank, and one side of sedimentation tank is provided with the disinfection pond.

Further, a filtering grid is arranged inside the grid well.

Furthermore, a lift pump is installed on one side of the bottom of the adjusting tank, a first water distribution pipe is installed at the output end of the lift pump, a second water distribution pipe is arranged in the center of the first water distribution pipe, one side of the second water distribution pipe is located inside the pre-anoxic tank, one side of the first water distribution pipe is located inside the anaerobic tank, and valves are installed on the first water distribution pipe and the second water distribution pipe.

Further, the aerobic tank is provided with a nitrifying liquid reflux pump on one side of the bottom, the output end of the nitrifying liquid reflux pump is fixedly connected with a fourth water distribution pipe, one side of the fourth water distribution pipe is positioned in the anoxic tank, the aeration plate is arranged on the middle lower part of the aerobic tank, a plurality of aeration nozzles are uniformly arranged on the aeration plate, a gas pipe is arranged on one side of the top of the aeration plate, and one end of the gas pipe is fixedly connected with the output end of the gas pump.

Further, the mud backwash pump is installed to sedimentation tank bottom one side, and mud backwash pump output fixedly connected with third water distributor, and third water distributor one end is located inside the oxygen deficiency pond in advance, and the swash plate filler is installed on upper portion in the sedimentation tank, and the swash plate filler center is fixed to run through there is central draft tube, and pipe mixer is installed to central draft tube one side, and the pipe mixer top installs first dosing pipe, and first dosing pipe one end fixedly connected with high-efficient phosphorus removal agent adds the explosive barrel.

Further, the sedimentation tank is communicated with the disinfection tank through an overflow weir plate, a second medicine adding pipe is arranged on one side of the inner portion of the disinfection tank, and one end of the second medicine adding pipe is fixedly connected with a disinfection medicine adding barrel.

Furthermore, the middle upper parts of the aerobic tank, the anoxic tank and the anaerobic tank are all provided with high-efficiency biological fillers.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the pre-anoxic tank is added, more dissolved oxygen, nitrate and nitrite are carried in the return liquid in the sludge return process in the traditional nitrogen and phosphorus removal process, and the adverse effect is generated on the phosphorus release process in phosphorus removal;

2. by adopting the domestic sewage treatment system, the number of escherichia coli in the domestic sewage is removed by arranging the disinfection dosing barrel at the rear end of the system, and the problems of complexity, high cost and the like of the traditional liquid chlorine chlorination system are solved;

3. the utility model adopts integrated equipment to treat high efficiency, occupies small area, has good economic feasibility and environmental friendliness, realizes standard discharge of domestic sewage treatment and is convenient for large-scale popularization.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an elevational view of the overall construction of the present invention;

FIG. 2 is a front cross-sectional view of the overall construction of the present invention;

FIG. 3 is an enlarged schematic view of area A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged schematic view of the area B of FIG. 2 in accordance with the present invention;

in the figure: 1. a grid well; 2. a regulating tank; 3. a first water distribution pipe; 4. a second water distribution pipe; 5. a third water distribution pipe; 6. a fourth water distribution pipe; 7. an air pump; 8. a gas delivery pipe; 9. a high-efficiency phosphorus removing agent dosing barrel; 10. a first dosing tube; 11. a valve; 12. sterilizing and dosing barrels; 13. a second dosing tube; 14. a disinfection tank; 15. a sedimentation tank; 16. an aerobic tank; 17. an anoxic tank; 18. an anaerobic tank; 19. a pre-anoxic tank; 20. a lift pump; 21. filtering the grating; 22. a sludge reflux pump; 23. high-efficiency biological filler; 24. an aeration plate; 25. an aeration nozzle; 26. a nitrifying liquid reflux pump; 27. filling materials of the inclined plate; 28. a central draft tube; 29. a pipeline mixer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an integrated domestic sewage treatment device comprises a grid well 1, wherein a filtering grid 21 is arranged in the grid well 1 to facilitate impurity filtering, an adjusting tank 2 is arranged on one side of the grid well 1, a pre-anoxic tank 19 is arranged on one side of the adjusting tank 2, an anaerobic tank 18 is arranged on one side of the pre-anoxic tank 19, an anoxic tank 17 is arranged on one side of the anaerobic tank 18, an aerobic tank 16 is arranged on one side of the anoxic tank 17, efficient biological fillers 23 are respectively arranged at the upper middle parts of the aerobic tank 16, the anoxic tank 17 and the anaerobic tank 18, a sedimentation tank 15 is arranged on one side of the aerobic tank 16, a disinfection tank 14 is arranged on one side of the sedimentation tank 15, a lifting pump 20 is arranged on one side of the bottom of the adjusting tank 2, a first water distribution pipe 3 is arranged at the output end of the lifting pump 20, a second water distribution pipe 4 is arranged at the center of the first water distribution pipe 3, one side of the second water distribution pipe 4 is arranged in the pre-anoxic tank 19, one side of the first water distribution pipe 3 is arranged in the anaerobic tank 18, and the first water distribution pipe 3 and the second water distribution pipe 4 are both provided with valves 11, which are beneficial to inputting sewage in the adjusting tank 2 into the pre-anoxic tank 19 and the anaerobic tank 18 by utilizing a lift pump 20, one side of the bottom of the aerobic tank 16 is provided with a nitrifying liquid reflux pump 26, the output end of the nitrifying liquid reflux pump 26 is fixedly connected with a fourth water distribution pipe 6, one side of the fourth water distribution pipe 6 is positioned in the anoxic tank 17, the middle lower part of the aerobic tank 16 is provided with an aeration plate 24, the aeration plate 24 is uniformly provided with a plurality of aeration nozzles 25, one side of the top of the aeration plate 24 is provided with an air delivery pipe 8, one end of the air delivery pipe 8 is fixedly connected with the output end of the air pump 7, one side of the bottom of the sedimentation tank 15 is provided with a sludge reflux pump 22, the output end of the sludge reflux pump 22 is fixedly connected with a third water distribution pipe 5, one end of the third water distribution pipe 5 is positioned in the pre-anoxic tank 19, the middle upper part of the sedimentation tank 15 is provided with an inclined plate filler 27, and swash plate packing 27 center is fixed to run through there is central draft tube 28, and pipeline mixer 29 is installed to central draft tube 28 one side, and pipeline mixer 29 top is installed first dosing pipe 10, and first dosing pipe 10 one end fixedly connected with high-efficient phosphorus removal agent adds medicine bucket 9, and sedimentation tank 15 is linked together through overflow weir plate and disinfection pond 14, and disinfection pond 14 inside one side is provided with second dosing pipe 13, and second dosing pipe 13 one end fixedly connected with disinfection adds medicine bucket 12.

The working principle is as follows: in the using process of the utility model, firstly sewage enters a grid well 1, then is filtered by a filter grid 21 to remove large-particle suspended matters and other impurities in the sewage, then enters an adjusting tank 2 to carry out water quality equalization, then is conveyed into a first water distribution pipe 3 and a second water distribution pipe 4 by a lift pump 20, then enters a part of the sewage into a pre-anoxic tank 19, enters a part of the sewage into an anaerobic tank 18 to remove a part of organic matters through chemical reaction, then enters an aerobic tank 16, at the moment, an air pump 7 is opened, the air pump 7 inputs external oxygen into an aeration plate 24 through an air conveying pipe 8, then is sprayed out through an aeration nozzle 25 to carry out full aeration and stirring on the sewage, COD, phosphorus and ammonia nitrogen in the sewage are decomposed as carbon sources, nitrogen sources and phosphorus sources of aerobic bacteria in the aerobic tank 16, and simultaneously nitrifying bacteria decompose nitrogen in the organic matters into nitrite and nitrate, phosphorus is absorbed by phosphorus accumulating bacteria, sewage enters a central guide cylinder 28 through a pipeline mixer 29 after treatment is finished, then enters a sedimentation tank 15 for sedimentation, the pipeline mixer 29 is connected with a high-efficiency phosphorus removing agent adding barrel 9, the phosphorus removal rate of the sewage is ensured by adding the phosphorus removing agent, the sedimentation tank 15 is a vertical flow sedimentation tank 15, the sewage in the sedimentation tank 15 enters a disinfection tank 14 through an overflow weir plate, a disinfectant is added into the disinfection tank 14 through a disinfection agent adding barrel 12 to ensure that fecal escherichia coli reaches the standard and is discharged after reaching the standard, meanwhile, return sludge in the sedimentation tank 15 flows back to a pre-anoxic tank 19 through a sludge return pump 22, the adverse effect of nitrate, nitrite and dissolved oxygen on the phosphorus release process in the phosphorus release process is avoided through the pre-anoxic tank 19, the aerobic tank 16 returns the sewage to the anoxic tank 17 through a nitrifying liquid return pump 26, the anoxic tank 17 is an anoxic environment, and denitrifying bacteria decompose the nitrite and the nitrite in the sewage into nitrogen and dioxide under the anoxic environment The nitrogen is released into the air of the channel, which is beneficial to further treating sewage, and the main body of the sewage treatment system provided by the utility model adopts' A³O + biological filler process, controlled by hydraulic flow state design, and yielding waterThe quality can reach the first grade A standard of the discharge Standard of pollution of municipal wastewater treatment plants (GB18918-2002), the occupied area is small, and the method has good economic feasibility and environmental friendliness.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a domestic sewage integration treatment facility, includes grid well (1), its characterized in that: one side of grid well (1) is provided with equalizing basin (2), and one side of equalizing basin (2) is provided with oxygen deficiency pond (19) in advance, and anaerobism pond (18) are installed to one side of oxygen deficiency pond (19) in advance, and one side of anaerobism pond (18) installs oxygen deficiency pond (17), and good oxygen pond (16) are installed to one side of oxygen deficiency pond (17), and one side of good oxygen pond (16) is provided with sedimentation tank (15), and one side of sedimentation tank (15) is provided with disinfection pond (14).

2. The integrated domestic sewage treatment equipment according to claim 1, wherein: and a filtering grid (21) is arranged in the grid well (1).

3. The integrated domestic sewage treatment equipment according to claim 1, wherein: lift pump (20) are installed to equalizing basin (2) bottom one side, and first water distributor (3) are installed to lift pump (20) output, and first water distributor (3) center is provided with second water distributor (4), and second water distributor (4) one side is located oxygen deficiency pond (19) in advance inside, and first water distributor (3) one side is located anaerobism pond (18) inside, and all installs valve (11) on first water distributor (3) and second water distributor (4).

4. The integrated domestic sewage treatment equipment according to claim 1, wherein: nitrify liquid backwash pump (26) are installed to good oxygen pond (16) bottom one side, and nitrify liquid backwash pump (26) output end fixedly connected with fourth water distribution pipe (6), one side of fourth water distribution pipe (6) is located inside oxygen deficiency pond (17), the lower part is provided with aeration board (24) in good oxygen pond (16), and evenly be provided with a plurality of aeration shower nozzles (25) on aeration board (24), gas-supply pipe (8) are installed to aeration board (24) top one side, and gas-supply pipe (8) one end and air pump (7) output end fixed connection.

5. The integrated domestic sewage treatment equipment according to claim 1, wherein: mud return pump (22) are installed to sedimentation tank (15) bottom one side, and mud return pump (22) output fixedly connected with third water distributor (5), third water distributor (5) one end is located inside oxygen deficiency pond (19) in advance, swash plate filler (27) are installed on upper portion in sedimentation tank (15), and swash plate filler (27) center is fixed to run through there is central draft tube (28), pipe mixer (29) are installed to central draft tube (28) one side, and pipe mixer (29) top is installed first dosing pipe (10), first dosing pipe (10) one end fixedly connected with high-efficient phosphorus removal agent dosing barrel (9).

6. The integrated domestic sewage treatment equipment according to claim 1, wherein: sedimentation tank (15) are linked together through overflow weir plate and disinfection pond (14), and disinfect pond (14) inside one side and be provided with second dosing pipe (13), and second dosing pipe (13) one end fixedly connected with disinfection dosing bucket (12).

7. The integrated domestic sewage treatment equipment according to claim 1, wherein: the middle upper parts of the aerobic tank (16), the anoxic tank (17) and the anaerobic tank (18) are all provided with high-efficiency biological fillers (23).