CN217351104U - Integrated double-membrane three-phase sewage treatment equipment - Google Patents

Abstract

The utility model discloses an integrated double-membrane three-phase sewage treatment device, which comprises a filter and is characterized in that one side of the filter is connected with an adjusting tank through a pipeline, one side inside the adjusting tank is provided with a lift pump, one side of the lift pump is connected with an anaerobic tank through a sewage pipe, the anaerobic tank is internally provided with an anaerobic fixed biological membrane, one side of the anaerobic tank is connected with a facultative tank through a sewage pipe, the facultative tank is internally provided with a facultative fixed biological membrane, one side of the facultative tank is connected with an aerobic tank through a sewage pipe, the aerobic tank is internally provided with an aerobic fixed biological membrane, the bottom end of the aerobic tank is connected with a top end pipeline of an air blower, one side of the aerobic tank is connected with a dephosphorization agent-adding device pipeline, the aerobic tank is connected with a membrane tank through a sewage pipe, the two sides inside the membrane tank are respectively provided with MBR membranes, one side of the MBR membranes is connected with a backwashing pump pipeline, one side of the backwashing pump is connected with an MBR clear water pump pipeline. The utility model discloses simple structure, convenient operation.

Description

Integrated double-membrane three-phase sewage treatment equipment

Technical Field

The utility model relates to a sewage treatment technical field particularly, relates to an integration double membrane three-phase sewage treatment device.

Background

Integration two membrane three-phase sewage treatment device: the integrated design, the double-membrane process that the fixed bed biomembrane combines with MBR membrane, the solid state (sludge concentration), liquid (sewage), gaseous state (compressed air stripping) coexists sewage treatment system; can improve the biochemical treatment efficiency and reduce the equipment volume, and 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 constructed by adopting 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;

3. sludge backflow and digestive juice backflow in the existing small and medium-sized domestic sewage treatment equipment mostly adopt submersible sewage pumps for backflow, the working conditions of the submersible sewage pumps are difficult to control visually, sewage and sludge in a pool need to be drained during maintenance and replacement, and the maintenance is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integration bimembrane three-phase sewage treatment device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integration bimembrane three-phase sewage treatment device, includes the filter, its characterized in that, and one side and the equalizing basin of filter pass through the pipe connection, the elevator pump is installed to inside one side of equalizing basin, pass through the sewer pipe connection between one side of elevator pump and the anaerobism pond, the internally mounted in anaerobism pond has the fixed biomembrane of anaerobism, pass through the sewer pipe connection between one side in anaerobism pond and the facultative tank, the internally mounted in facultative tank has the fixed biomembrane of facultative tank, pass through the sewer pipe connection between one side in facultative tank and the aerobic tank, the internally mounted in aerobic tank has the fixed biomembrane of good oxygen, the bottom in good oxygen pond and the top pipe connection of air-blower, one side and the dephosphorization charge device pipe connection in good oxygen pond, pass through the sewer pipe connection between good oxygen pond and the membrane tank, the MBR membrane is installed respectively to the inside both sides in membrane tank, one side of the MBR membrane is connected with a backwashing pump pipeline, one side of the backwashing pump is connected with an MBR clear water pump pipeline, one end of the MBR clear water pump is connected with the reclaimed water tank through a sewage pipe, a disinfectant dosing device is installed on one side of the MBR clear water pump, the adjusting tank is connected with the sludge tank through a sludge pipe, and one side of the sludge tank is connected with the PAC dosing device through a sludge pipe.

Furthermore, a digestive juice return pipe is arranged at the bottom end of the inside of the aerobic tank and the membrane tank.

Furthermore, the middle water tank is connected with the backwashing pump through a pipeline, and the pipeline branches are respectively connected with the CEB dosing device.

Furthermore, the two sets of air blowers are arranged, and the air blowers are respectively connected with the bottom end of the aerobic pool through air pipes.

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 device adopts the gas-phase gas stripping device to replace the backflow of the submersible sewage pump, and is simple and convenient to operate; the using amount of the submersible sewage pump is reduced, and the energy consumption of a pump motor is reduced;

4. the integrated double-membrane three-phase sewage treatment equipment is compact in structure, integrated in design, simple in equipment installation and small in occupied area, and is matched with a 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic process flow diagram of an integrated double-membrane three-phase sewage treatment device.

Reference numerals:

1. a filter; 2. a regulating tank; 3. a lift pump; 4. a carbon source dosing device; 5, an anaerobic tank; 6. anaerobically fixing the biological membrane; 7. a facultative tank; 8. facultatively immobilizing the biofilm; 9. an aerobic tank; 10. aerobic fixed biological membrane; 11. a phosphorus removal and medicine feeding device; 12. a membrane tank; 13. MBR membrane; 14. a backwash pump; 15. a CEB dosing device; 16. a disinfectant dosing device; 17. an MBR clear water pump; 18. a middle water pool; 19. a sludge tank; 20. A PAC dosing device; 21. a blower.

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 "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 as a specific case by those skilled in the art.

Referring to fig. 1, an integrated dual-membrane three-phase sewage treatment device according to an embodiment of the present invention includes a filter 1, and is characterized in that one side of the filter 1 is connected to an adjusting tank 2 through a pipeline, one side of the adjusting tank 2 is provided with a lift pump 3, one side of the lift pump 3 is connected to an anaerobic tank 5 through a sewage pipe, the anaerobic tank 5 is provided with an anaerobic fixed biofilm 6, one side of the anaerobic tank 5 is connected to a facultative tank 7 through a sewage pipe, the facultative tank 7 is provided with a facultative fixed biofilm 8, one side of the facultative tank 7 is connected to an aerobic tank 9 through a sewage pipe, the aerobic tank 9 is provided with an aerobic fixed biofilm 10, the bottom of the aerobic tank 9 is connected to a top end pipeline of an air blower 21, one side of the aerobic tank 9 is connected to a phosphorus removal dosing device 11 through a pipeline, the aerobic tank 9 is connected with the membrane tank 12 through a sewage pipe, MBR membranes 13 are respectively installed on two sides of the interior of the membrane tank 12, one side of each MBR membrane 13 is connected with a backwashing pump 14 through a pipeline, one side of each backwashing pump 14 is connected with an MBR clear water pump 17 through a pipeline, one end of each MBR clear water pump 17 is connected with a reclaimed water tank 18 through a sewage pipe, a disinfectant dosing device 16 is installed on one side of each MBR clear water pump 17, the adjusting tank 2 is connected with the sludge tank 19 through a sludge pipe, and one side of the sludge tank 19 is connected with the PAC dosing device 20 through a sludge pipe.

Through the above technical scheme of the utility model, the digestive juice back flow is installed to the inside bottom of good oxygen pond 9 and membrane tank 12, well pond 18 with pipe connection between the backwash pump 14, and the pipeline branch road is connected with CEB charge device respectively, air-blower 21 is equipped with two sets ofly, its air-blower 21 respectively with connect through the air hose between the bottom of good oxygen pond 9.

The working principle is as follows:

1. 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;

2. MBR membrane: the MBR membrane yarns have higher filtering precision and good filtering effect, replace the traditional sedimentation tank and stabilize the quality of the effluent;

3. in the scheme, the gas-phase air stripping device is adopted to replace the backflow of the submersible sewage pump, and the operation and the control are simple and convenient; the using amount of the submersible sewage pump is reduced, and the energy consumption of a pump motor is reduced.

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 (4)

1. The utility model provides an integration two membrane three-phase sewage treatment device, includes filter (1), its characterized in that, one side and equalizing basin (2) of filter (1) pass through the pipe connection, elevator pump (3) are installed to inside one side of equalizing basin (2), pass through the sewer pipe connection between one side of elevator pump (3) and anaerobism pond (5), the internally mounted of anaerobism pond (5) has anaerobism fixed biomembrane (6), pass through the sewer pipe connection between one side of anaerobism pond (5) and facultative tank (7), the internally mounted of facultative tank (7) has facultative tank fixed biomembrane (8), pass through the sewer pipe connection between one side of facultative tank (7) and aerobic tank (9), the internally mounted of aerobic tank (9) has good oxygen fixed biomembrane (10), the bottom and the top pipe connection of air-blower (21) of aerobic tank (9), one side of the aerobic tank (9) is connected with a dephosphorization and dosing device (11) through a pipeline, the aerobic tank (9) is connected with the membrane tank (12) through a sewage pipe, MBR membranes (13) are respectively installed on two sides of the interior of the membrane tank (12), one side of each MBR membrane (13) is connected with a backwashing pump (14) through a pipeline, one side of each backwashing pump (14) is connected with an MBR clean water pump (17) through a pipeline, one end of each MBR clean water pump (17) is connected with the middle water tank (18) through a sewage pipe, a disinfectant dosing device (16) is installed on one side of each MBR clean water pump (17), the adjusting tank (2) is connected with the sludge tank (19) through a sludge pipe, and one side of the sludge tank (19) is connected with the PAC dosing device (20) through a sludge pipe.

2. The integrated double-membrane three-phase sewage treatment equipment according to claim 1, wherein the bottom ends of the inside of the aerobic tank (9) and the membrane tank (12) are provided with a digestive juice return pipe.

3. The integrated double-membrane three-phase sewage treatment equipment as claimed in claim 1, wherein the intermediate water tank (18) is connected with the backwashing pump (14) through a pipeline, and the pipeline branches are respectively connected with a CEB dosing device.

4. The integrated double-membrane three-phase sewage treatment plant according to claim 1, wherein there are two sets of said blowers (21), and the blowers (21) are connected to the bottom end of said aerobic tank (9) by air pipes.

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