CN217351103U

CN217351103U - Double-membrane domestic sewage treatment equipment

Info

Publication number: CN217351103U
Application number: CN202221233248.9U
Authority: CN
Inventors: 邰立君; 王素云
Original assignee: Beijing Xufei Huanyu Water Treatment Technology Co ltd
Current assignee: Beijing Xufei Huanyu Water Treatment Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-02
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a double-membrane domestic sewage treatment device, which comprises a regulating reservoir, an anaerobic tank, an aerobic tank and a middle water tank, and is characterized in that one side of a pump regulating reservoir is connected with a filter pipeline, one side of the pump regulating reservoir is connected with one side top end of a sludge tank through a sludge pipe, a lift pump is arranged at the inner bottom end of the pump regulating reservoir, the pump lift pump is connected with one side top end of the pump anaerobic tank through a sewage pipe, an anaerobic fixed biological membrane is arranged inside the pump anaerobic tank, a submersible stirrer is arranged at the inner bottom end of the pump anaerobic tank, the other side of the pump anaerobic tank is connected with the pump aerobic tank through a sewage pipe, a digestive juice reflux pump is arranged at the inner bottom end of the pump aerobic tank, a sample fixed biological membrane is arranged inside the pump aerobic tank, the other side of the pump aerobic tank is connected with one side of the pump membrane tank through a sewage pipe, one side of the pump membrane tank is connected with a dephosphorization and dosing device through a sewage pipe, and an MBR membrane is arranged in the pump membrane tank. The utility model discloses simple structure, convenient operation.

Description

Double-membrane domestic sewage treatment equipment

Technical Field

The utility model relates to a sewage treatment technical field particularly, relates to a two membrane domestic sewage treatment device.

Background

Domestic sewage double-membrane treatment device: the double-membrane domestic sewage treatment process combining the fixed bed biological membrane and the MBR membrane is adopted, so that the biochemical treatment efficiency can be improved, the equipment volume can be reduced, and the double-membrane domestic sewage treatment process is mainly used for treating small and medium-sized domestic sewage;

the ubiquitous problem of domestic sewage treatment at present:

1. at present, aiming at the treatment of middle and small-sized domestic sewage, an activated sludge aerobic biological treatment process is mainly adopted, the process is simple, the degradation capability on sewage pollutants is limited, particularly, the treatment effect on nitrogen and phosphorus of effluent is general, and the quality of the effluent hardly reaches the first-level discharge standard;

2. at present, medium and small-sized domestic sewage treatment equipment is mostly built by using a steel-concrete structure tank body, which is equivalent to a small-sized project, is complex in construction, works in underground limited space and has high construction safety requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two membrane domestic sewage treatment device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a two membrane domestic sewage treatment device, includes equalizing basin, anaerobism pond, good oxygen pond and well pond, its characterized in that, one side and the filter pipe connection of equalizing basin, one side of equalizing basin passes through the sludge pipe with one side top of sludge impoundment and is connected, the elevator pump is installed to the inside bottom of equalizing basin, the elevator pump with one side top of anaerobism pond passes through the sewage pipe connection, the internally mounted of anaerobism pond has the fixed biomembrane of anaerobism, dive agitator is installed to the inside bottom of anaerobism pond, the opposite side of anaerobism pond with pass through the sewage pipe connection between the good oxygen pond, the digestion liquid backwash pump is installed to the inside bottom of good oxygen pond, the internally mounted of good oxygen pond has the fixed biomembrane of good oxygen, the opposite side of good oxygen pond passes through the sewage pipe connection with one side of membrane pond, one side of membrane pond passes through the sewage pipe connection with dephosphorization charge device, the sewage treatment device is characterized in that an MBR membrane is arranged inside the membrane pool, a sludge pump is arranged at the bottom end inside the membrane pool, the other side of the membrane pool is connected with the backwashing pump through a sewage pipe, one end of the backwashing pump is connected with the MBR clean water pump through a sewage pipe, the other end of the MBR clean water pump is connected with the middle water pool through a sewage pipe, the other side of the middle water pool is connected with a sewage outlet pipeline, and the bottom end of the aerobic pool is connected with the air blower through an air pipe.

Furthermore, one side of the anaerobic tank is connected with a carbon source dosing device through a sewage pipe.

Further, the sludge tank is respectively connected with the anaerobic tank, the aerobic tank and the reclaimed water tank through sludge pipes, and the sludge pipes are connected with PAC dosing device pipelines.

Furthermore, the backwashing pump is connected with the CEB dosing device through a pipeline.

Further, the MBR clear water pump is connected with the disinfectant dosing device through a pipeline.

Furthermore, a circulating pipeline is arranged between the bottom end of the middle water tank and the backwashing pump.

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

1. fixed bed biofilm: the fixed bed biological membrane is adopted, the membrane hanging is fast, and the biological membrane is stable after being formed and cannot run off; solves the problems of long culture time of the activated sludge, difficult culture of strains and unstable and easy loss of a biomembrane bed in the operation process in the traditional process;

2. MBR membrane: the MBR membrane has high-efficiency filtering capacity, replaces the traditional sedimentation tank and improves the quality of the effluent;

3. the domestic sewage double-membrane treatment device has the advantages of compact structure, integrated design, simple equipment installation and small occupied area, and is matched with the regulating tank for use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic flow diagram of a double-membrane domestic sewage treatment apparatus.

Reference numerals:

1. a filter; 2. a regulating tank; 3. a lift pump; 4. a carbon source dosing device; 5. a submersible mixer; 6. An anaerobic tank; 7. anaerobically fixing the biological membrane; 8. an aerobic tank; 9. aerobic fixed biological membrane; 10. a phosphorus removal and medicine feeding device; 11. MBR membrane; 12. a membrane tank; 13. a sludge pump; 14. a reclaimed water tank; 15. a sewage draining outlet; 16. A sludge tank; 17. a PAC dosing device; 18. a digestive juice reflux pump; 19. a blower; 20. a CEB dosing device; 21. a disinfectant dosing device; 22. a backwash pump; 23. MBR clear water pump.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the dual-membrane domestic sewage treatment apparatus according to the embodiment of the present invention comprises an adjusting tank 2, an anaerobic tank 6, an aerobic tank 8 and a middle water tank 14, and is characterized in that one side of the adjusting tank 2 is connected to a filter 1 through a pipeline, one side of the adjusting tank 2 is connected to one side of a sludge tank 16 through a sludge pipe, a lift pump 3 is installed at the bottom end of the interior of the adjusting tank 2, the lift pump 3 is connected to one side of the top end of the anaerobic tank 6 through a sewage pipe, an anaerobic fixed biological membrane 7 is installed in the interior of the anaerobic tank 6, a submersible stirrer 5 is installed at the bottom end of the interior of the anaerobic tank 6, the other side of the anaerobic tank 6 is connected to the aerobic tank 8 through a sewage pipe, a reflux pump 18 for digestion liquid is installed at the bottom end of the interior of the aerobic tank 8, an aerobic fixed biological membrane 9 is installed in the interior of the aerobic tank 8, the sewage treatment system is characterized in that the other side of the aerobic tank 8 is connected with one side of the membrane tank 12 through a sewage pipe, one side of the membrane tank 12 is connected with the dephosphorization dosing device 10 through a sewage pipe, an MBR membrane 11 is arranged inside the membrane tank 12, a sludge pump 13 is arranged at the bottom end inside the membrane tank 12, the other side of the membrane tank 12 is connected with the backwashing pump 22 through a sewage pipe, one end of the backwashing pump 22 is connected with the MBR clean water pump 23 through a sewage pipe, the other end of the MBR clean water pump 23 is connected with the middle water tank 14 through a sewage pipe, the other side of the middle water tank 14 is connected with a sewage outlet 15 through a pipeline, and the bottom end of the aerobic tank 8 is connected with the air blower 19 through an air pipe.

Through the above technical scheme of the utility model, one side and the carbon source charge device 4 of anaerobism pond 6 pass through the sewage union coupling, sludge impoundment 16 respectively with through the sludge union coupling between anaerobism pond 6, good oxygen pond 8 and the well pond 14, and sludge pipe and 17 pipe connections of PAC charge device, pipe connection between backwash pump 22 and the CEB charge device 20, pipe connection between MBR clean water pump 23 and the disinfectant charge device 21, the bottom of well pond 14 with install circulation pipeline between the backwash pump 22.

The working principle is as follows: fixed bed biofilm: a fixed bed biological membrane is adopted, in an anaerobic section and an aerobic section, the fixed bed has a biological membrane fast hanging, and the biological membrane is relatively stable after being formed; MBR membrane: the MBR membrane silk has higher filter fineness, and the filter effect is good, replaces traditional sedimentation tank, stabilizes the play water quality of water.

In summary, the following steps: 1. fixed bed biofilm: the fixed bed biological membrane is adopted, the membrane hanging is fast, and the biological membrane is stable after being formed and cannot run off; solves the problems of long culture time of the activated sludge, difficult culture of strains and unstable and easy loss of a biomembrane bed in the operation process in the traditional process; 2. MBR membrane: the MBR membrane has high-efficiency filtering capacity, replaces a traditional sedimentation tank and improves the quality of effluent; 3. the domestic sewage double-membrane treatment device has the advantages of compact structure, integrated design, simple equipment installation and small occupied area, and is matched with the regulating tank for use.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 two membrane domestic sewage treatment equipment, includes equalizing basin (2), anaerobism pond (6), good oxygen pond (8) and well pond (14), its characterized in that, one side and filter (1) pipe connection of equalizing basin (2), one side of equalizing basin (2) and one side top of sludge impoundment (16) pass through the sludge pipe connection, elevator pump (3) are installed to the inside bottom of equalizing basin (2), elevator pump (3) with one side top of anaerobism pond (6) passes through the sewage pipe connection, the internally mounted of anaerobism pond (6) has anaerobism fixed biomembrane (7), dive agitator (5) are installed to the inside bottom of anaerobism pond (6), the opposite side of anaerobism pond (6) with pass through the sewage pipe connection between good oxygen pond (8), digestion liquid backwash pump (18) are installed to the inside bottom of good oxygen pond (8), an aerobic fixed biological membrane (9) is arranged in the aerobic tank (8), the other side of the aerobic tank (8) is connected with one side of the membrane tank (12) through a sewage pipe, one side of the membrane tank (12) is connected with a dephosphorization and medicine adding device (10) through a sewage pipe, an MBR membrane (11) is arranged inside the membrane tank (12), a sludge pump (13) is arranged at the bottom end inside the membrane tank (12), the other side of the membrane tank (12) is connected with a backwashing pump (22) through a sewage pipe, one end of the backwashing pump (22) is connected with the MBR clean water pump (23) through a sewage pipe, the other end of the MBR clean water pump (23) is connected with the middle water pool (14) through a sewage pipe, the other side of the middle water pool (14) is connected with a sewage discharge port (15) through a pipeline, and the bottom end of the aerobic pool (8) is connected with the air blower (19) through an air pipe.

2. The double-membrane domestic sewage treatment equipment according to claim 1, wherein one side of said anaerobic tank (6) is connected with carbon source adding device (4) through a sewage pipe.

3. The double-membrane domestic sewage treatment equipment according to claim 1, wherein the sludge tank (16) is connected with the anaerobic tank (6), the aerobic tank (8) and the intermediate water tank (14) through sludge pipes respectively, and the sludge pipes are connected with a PAC dosing device (17) through pipelines.

4. The apparatus for treating double-membrane domestic sewage according to claim 1, wherein the backwash pump (22) is connected to the CEB dosing device (20) by a pipe.

5. The double-membrane domestic sewage treatment apparatus according to claim 1, wherein said MBR clean water pump (23) is piped to a disinfectant adding device (21).

6. The apparatus for treating double-membrane domestic sewage according to claim 1, wherein a circulation line is installed between the bottom end of the middle water tank (14) and the backwash pump (22).