CN214936403U

CN214936403U - Sewage treatment equipment with A2O-MBR process

Info

Publication number: CN214936403U
Application number: CN202120161353.5U
Authority: CN
Inventors: 赵丽; 贾云霞
Original assignee: Beijing Shuiyan Environmental Technology Co ltd
Current assignee: Beijing Shuiyan Environmental Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-11-30
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device with A2O-MBR process, which comprises a main body, wherein the main body is of a hollow structure with an opening at the top, the left side wall of the main body is provided with a water inlet pipe, the right side wall of the main body is provided with a sewage discharge hole, the sewage discharge hole is provided with a sewage discharge pipe, and a first partition plate, a second partition plate and a third partition plate are sequentially arranged in the main body from left to right; the sewage treatment equipment with the A2O-MBR process is provided with the anaerobic tank, the anoxic tank, the aerobic tank and the membrane reaction tank, and organically combines the A2O and the MBR membrane filtration technology, so that the effective separation of the sludge retention time and the hydraulic retention time is realized, the sludge age is prolonged, the degradation and conversion of organic matters are more thorough, the sludge yield is low, the traditional secondary sedimentation tank is replaced, the sludge-water separation effect is good, and the treatment effect is good.

Description

Sewage treatment equipment with A2O-MBR process

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment device with A2O-MBR technology.

Background

Along with the rapid growth of population and economy of China in recent years, the problem that the domestic sewage of residents in rural areas and small towns pollutes the water environment is increasingly prominent, and the development of the decentralized domestic sewage treatment industry of the rural areas is directly driven. Domestic sewage is mainly discharged water generated by various kitchen water, washing water and toilet water used in human life, and is mostly nontoxic inorganic salts.

At present, the main domestic mainstream technical means for decentralized domestic sewage treatment is integrated equipment, and the equipment processes comprise an A2O process of an activated sludge process, a biological rotating disc of a biomembrane process, a contact oxidation process and the like. No matter the activated sludge process or the biofilm process, the application of a single process is relatively deficient in treatment effect, application range and operation stability, so that different processes are organically combined to improve the performance of integrated equipment, which is a hotspot of research in the field of dispersed sewage treatment at present, and meanwhile, the problem that a filtering component in a traditional membrane filtering tank is difficult to replace is urgently needed to be solved. In view of this, we propose a sewage treatment plant with A2O-MBR process.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a sewage treatment device with an A2O-MBR process.

The technical scheme of the utility model is that:

a sewage treatment device with an A2O-MBR process comprises a main body, wherein the main body is of a hollow structure with an open top, the left side wall of the main body is provided with a water inlet, the outlet of the water inlet is provided with a water inlet pipe, the right side wall of the main body is provided with a sewage draining hole, a blow-off pipe is arranged at the blow-off hole, a first partition plate, a second partition plate and a third partition plate are sequentially arranged in the main body from left to right, the first partition plate, the second partition plate and the third partition plate divide the interior of the main body into an anaerobic tank, an anoxic tank, an aerobic tank and a membrane reaction tank from left to right in sequence, the top parts of the anaerobic tank and the anoxic tank are provided with left covers, the top parts of the aerobic tank and the membrane reaction tank are provided with right covers, the membrane reaction tank bottom opening just installs and sinks the mud piece, it installs the back flow to sink mud piece bottom, install the backwash pump on the back flow.

As the preferred technical scheme, the left cover is provided with an observation port and an opening capable of accommodating the return pipe, the other end of the return pipe penetrates through the opening to be communicated into the anaerobic tank, the observation pipe is installed at the observation port, a sealing cover is installed above the observation pipe, and the sealing cover is hinged to the observation pipe.

As an optimized technical scheme, the right cover is provided with an observation port and a water outlet, the water outlet is provided with a water outlet pipe, and the water outlet pipe is provided with a water pump.

According to the preferable technical scheme, the lower surfaces of the left cover and the right cover close to the corners are respectively provided with an insertion block, the insertion blocks are respectively fixedly connected with the left cover and the right cover, the upper surface of the main body and the positions corresponding to the insertion blocks are provided with insertion holes, and the insertion blocks are in insertion fit with the insertion holes.

Preferably, the height of the second partition plate and the height of the third partition plate are equal to the height of the inside of the main body, and the height of the first partition plate is lower than the height of the second partition plate and the height of the third partition plate.

As the preferred technical scheme, two division boards with all seted up the hole of permeating water on the third division board, the third division board upper surface lean on right side edge with the symmetry of left side edge is seted up flutedly by main part right side wall upper surface, be equipped with the slide in the recess, the slide with recess sliding connection, two install a plurality of layers of filtration membrane between the slide.

According to the preferable technical scheme, the upper surfaces of the front end and the rear end of the sliding plate are symmetrically provided with fixing blocks, the fixing blocks are fixedly installed with the sliding plate, and the tops of the fixing blocks are provided with through holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up anaerobism pond, oxygen deficiency pond, good oxygen pond and membrane reaction tank, combine A2O and MBR membrane filtration technology organic, realized effective separation of mud dwell time and water conservancy dwell time, the sludge age extension, organic matter degradation conversion is more thorough, and mud output is low, replaces traditional two heavy ponds, and mud-water separation is effectual, and the treatment effect is good.

2. The utility model discloses a set up recess, slide, filtration membrane and fixed block, mention the fixed block, drive the slide and the filtration membrane on it, mention filtration membrane from the membrane reaction tank for filter assembly in the membrane reaction tank can be changed easily, has changed among the traditional membrane filter equipment shortcoming that filtration membrane is difficult to change.

3. The utility model discloses a set up left side lid and right side lid, guaranteed the partial anaerobic oxygen deficiency environment in whole device left side, be favorable to degradation and the conversion of organic matter in the sewage, through setting up the viewing aperture, be convenient for observe the filtration state in the whole filtering ponds.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view (in a top view) of the main body of the present invention;

fig. 3 is a second schematic structural view (in an oblique view) of the main body of the present invention;

FIG. 4 is a schematic structural view of the left lens cover of the present invention;

FIG. 5 is a schematic structural view of a right lens cover of the present invention;

FIG. 6 is a schematic view of a lens filter assembly according to the present invention;

fig. 7 is a schematic structural view of the middle lens fixing block of the present invention.

In the figure: a main body 1; a first partition plate 2; a second partition plate 3; a third partition plate 4; a water inlet 5; a jack 6; a sewage draining hole 7; water permeable holes 8; a groove 9; a blow-off pipe 10; a mud settling block 11; a return pipe 12; a reflux pump 13; an inlet pipe 14; a left cover 15; a right cap 16; a viewing port 17; a sight tube 18; a seal cover 19; a water outlet 20; a water outlet pipe 21; a water pump 22; an insert block 23; a slide plate 24; a filter membrane 25; a fixed block 26; a perforation 27; an anaerobic tank 28; an anoxic tank 29; an aerobic tank 30; a membrane reaction cell 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

a sewage treatment device with an A2O-MBR process comprises a main body 1, wherein the main body 1 is of a hollow structure with an open top, the left side wall of the main body 1 is provided with a water inlet 5, the water inlet 5 is provided with a water inlet pipe 14, the right side wall of the main body 1 is provided with a sewage discharge hole 7, a sewage discharge pipe 10 is arranged at the sewage discharge hole 7, a first partition plate 2, a second partition plate 3 and a third partition plate 4 are sequentially arranged in the main body 1 from left to right, the first partition plate 2, the second partition plate 3 and the third partition plate 4 divide the interior of the main body 1 into anaerobic tanks 28 from left to right, the anaerobic tank 29, the aerobic tank 30 and the membrane reaction tank 31 are arranged, the top parts of the anaerobic tank 28 and the anaerobic tank 29 are provided with left covers 15, the top parts of the aerobic tank 30 and the membrane reaction tank 31 are provided with right covers 16, the bottom part of the membrane reaction tank 31 is opened and provided with sludge settling blocks 11, the bottom part of the sludge settling blocks 11 is provided with a return pipe 12, and the return pipe 12 is provided with a return pump 13.

What need to supplement is, the left cover 15 is equipped with viewing aperture 17 and can hold the opening of back flow pipe 12, and the back flow pipe 12 other end passes the opening and communicates to the anaerobism pond 28 in, and viewing aperture 17 department installs viewing tube 18, and viewing tube 18 top is installed sealed lid 19, and sealed lid 19 is articulated with viewing tube 18, observes the sewage treatment condition in anaerobism pond 28 and the oxygen deficiency pond 29 through viewing aperture 17, and after the observation, covers sealed lid 19, guarantees its inside anaerobic, the environment of oxygen deficiency.

Preferably, the right cover 16 is provided with an observation port 17 and a water outlet 20, a water outlet pipe 21 is installed at the water outlet 20, a water pump 22 is installed on the water outlet pipe 21, and oxygen escapes into the aerobic tank 30 from the observation port 17 to help degradation and conversion of organic matters in the sewage in the aerobic tank 30.

Preferably, the lower surfaces of the left cover 15 and the right cover 16 are provided with insertion blocks 23 near the corners, the insertion blocks 23 are respectively fixedly connected with the left cover 15 and the right cover 16, the insertion holes 6 are formed in the positions, corresponding to the insertion blocks 23, of the upper surface of the main body 1, and the insertion blocks 23 are in insertion fit with the insertion holes 6.

Preferably, in this embodiment, the height of the second partition plate 3 and the height of the third partition plate 4 are the same as the height of the inside of the main body 1, the height of the first partition plate 2 is lower than the height of the second partition plate 3 and the height of the third partition plate 4, and the anaerobic tank 28 and the anoxic tank 29 may be filled with suspended pall ring biological packing, which provides a place for the attachment and growth of microorganisms, and the surface of the suspended pall ring biological packing may form a biofilm.

It is worth explaining that all seted up the hole 8 of permeating water on second division board 3 and the third division board 4, the third division board 4 upper surface leans on right side edge and main part 1 right side wall upper surface to lean on left side edge symmetry to seted up recess 9, is equipped with slide 24 in the recess 9, slide 24 and recess 9 sliding connection, installs a plurality of layers of filtration membrane 25 between two slide 24.

Preferably, the upper surfaces of the front end and the rear end of the sliding plate 24 are symmetrically provided with fixing blocks 26, the fixing blocks 26 are fixedly installed on the sliding plate 24, the top of each fixing block 26 is provided with a through hole 27, and the filtering component can be lifted up and replaced from the membrane reaction tank by passing through the through holes 27 through devices such as hooks.

The utility model discloses a sewage treatment device with A2O-MBR technology is when using, discharge sewage to anaerobism pond 28 and oxygen deficiency pond 29 in through inlet tube 14, anaerobism microorganism in the sewage can degrade the conversion under the environment of oxygen deficiency, the sewage after the conversion passes through the inflow to good oxygen pond 30 of permeating water hole 8 on the second division board 3 in, the air flows in through viewing aperture 17 on the right side lid 16, the good oxygen organic matter in the sewage in the help good oxygen pond 30 degrades and converts, then sewage can flow in to membrane reaction pond 31 through the hole 8 of permeating water on the third division board 4

The interior membrane filtration that carries on, clear water is taken out and is discharged through outlet pipe 21 at the upper strata by water pump 22, and partly mud is discharged from blow off pipe 10, and another part deposits to heavy mud piece 11 to drive through backwash pump 13, flow in to anaerobism pond 28 through back flow 12, the degradation and the conversion of microorganism in the sewage with higher speed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sewage treatment plant with A2O-MBR process, comprising a main body (1), characterized in that: the main body (1) is of a top opening internal hollow structure, the main body (1) left side wall is provided with a water inlet (5), the water inlet (5) is provided with an inlet pipe (14), the main body (1) right side wall is provided with a sewage discharge hole (7), the sewage discharge hole (7) is provided with a sewage discharge pipe (10), the main body (1) is internally provided with a first partition plate (2), a second partition plate (3) and a third partition plate (4) from left to right in sequence, the first partition plate (2), the second partition plate (3) and the third partition plate (4) divide the main body (1) into an anaerobic tank (28), an anoxic tank (29), an aerobic tank (30) and a membrane reaction tank (31) from left to right in sequence, the anaerobic tank (28) and the anoxic tank (29) top are provided with a left cover (15), the aerobic tank (30) and the membrane reaction tank (31) top are provided with a right cover (16), the membrane reaction tank (31) bottom opening just installs and sinks mud piece (11), sink mud piece (11) bottom and install back flow (12), install backwash pump (13) on back flow (12).

2. The wastewater treatment plant with A2O-MBR process according to claim 1, characterized in that: the left cover (15) is provided with an observation port (17) and can accommodate an opening of the return pipe (12), the other end of the return pipe (12) penetrates through the opening to be communicated into the anaerobic tank (28), the observation pipe (18) is installed at the observation port (17), a sealing cover (19) is installed above the observation pipe (18), and the sealing cover (19) is hinged to the observation pipe (18).

3. The wastewater treatment plant with A2O-MBR process according to claim 1, characterized in that: viewing aperture (17) and delivery port (20) have been seted up to right side lid (16), delivery port (20) department installs outlet pipe (21), install water pump (22) on outlet pipe (21).

4. The wastewater treatment plant with A2O-MBR process according to claim 1, characterized in that: left side lid (15) with right side lid (16) lower surface all is equipped with inserted block (23) near the corner, inserted block (23) respectively with left side lid (15) with right side lid (16) fixed connection, main part (1) upper surface with jack (6) have been seted up to the corresponding position of inserted block (23), inserted block (23) with jack (6) are pegged graft and are cooperated.

5. The wastewater treatment plant with A2O-MBR process according to claim 1, characterized in that: the heights of the second partition plate (3) and the third partition plate (4) are consistent with the internal height of the main body (1), and the height of the first partition plate (2) is lower than the heights of the second partition plate (3) and the third partition plate (4).

6. The wastewater treatment plant with A2O-MBR process according to claim 1, characterized in that: second division board (3) with all seted up on third division board (4) and penetrated hole (8), third division board (4) upper surface lean on right side edge with main part (1) right side wall upper surface is leaned on left side edge symmetry to set up fluted (9), be equipped with slide (24) in recess (9), slide (24) with recess (9) sliding connection, two install a plurality of layers filtration membrane (25) between slide (24).

7. The wastewater treatment plant with A2O-MBR process according to claim 6, characterized in that: the upper surfaces of the front end and the rear end of the sliding plate (24) are symmetrically provided with fixing blocks (26), the fixing blocks (26) are fixedly installed on the sliding plate (24), and the tops of the fixing blocks (26) are provided with through holes (27).