CN212833306U

CN212833306U - Integrated sewage treatment device based on membrane treatment

Info

Publication number: CN212833306U
Application number: CN202021212354.XU
Authority: CN
Inventors: 李卫星; 李佳尧; 张贺
Original assignee: Nanjing Institute Of Membrane Applied Technology Research Institute Co ltd
Current assignee: Nanjing Institute Of Membrane Applied Technology Research Institute Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-30
Anticipated expiration: 2030-06-28

Abstract

The utility model belongs to the technical field of sewage treatment device, concretely relates to integration sewage treatment plant based on membrane treatment, including combination pond and anaerobism pond, one side fixed mounting in combination pond has the self priming pump, the water inlet fixedly connected with of self priming pump and the outlet conduit of combination pond intercommunication, the lower extreme fixedly connected with membrane treatment zone of outlet conduit, be provided with first return system between oxygen deficiency MBBR pond and the anaerobism pond, the draw-in groove has been seted up to the upper surface in anaerobism pond, the thread groove has been seted up to the inboard of draw-in groove, the inside in anaerobism pond is provided with the grid, one side fixed mounting of grid has the fixture block that matches with the draw-in groove, the perforation has been seted up to one side of fixture block, the perforated inside is provided. The utility model provides a block is carried out through fixture block and draw-in groove between grid and anaerobism pond to utilize the butterfly bolt to pass the fixture block and fix it on the anaerobism pond, when needing clean, the butterfly bolt of screwing off dismantles the grid, and it is comparatively convenient to operate.

Description

Integrated sewage treatment device based on membrane treatment

Technical Field

The utility model relates to a sewage treatment plant technical field specifically is an integration sewage treatment plant based on membrane treatment.

Background

Along with the development of environment protection situation, the construction of the urban sewage pipe network is more and more perfect, most of urban domestic sewage can enter the sewage pipe network and then enter the urban sewage treatment plant for treatment, the treatment rate of the urban domestic sewage reaches 90 percent, the harm of pollutants in the urban domestic sewage to the environment is greatly reduced, and the water quality of rivers is protected. However, in some communities, rural areas, scenic spots, expressway service areas and other places, due to the limitation of geographical positions, sewage pipes cannot enter urban sewage treatment plants, so that sewage generated in the areas is directly discharged to pollute water and the environment.

Chinese patent application CN201910060189.6 discloses an integrated sewage treatment device, which comprises an anaerobic tank, an anoxic MBBR tank and a combined tank which are sequentially arranged and connected through overflow ports, wherein the combined tank comprises an aerobic zone and a membrane treatment zone, one end of a water outlet pipeline is connected with the membrane treatment zone, the other end of the water outlet pipeline is connected with a self-priming pump, a backwashing device is arranged, treated sewage is discharged out through the self-priming pump, a reflux pump is arranged at the tail end of an aerobic section in the combined tank, mixed liquid in the tank flows back to the anoxic MBBR tank, the reflux pump is arranged at the tail end of the anoxic MBBR tank, and the mixed liquid in the tank flows back to the anaerobic tank; although the high-efficiency integrated sewage treatment device realizes denitrification in the anoxic MBBR tank, denitrification is carried out by using nitrate in the reflux liquid, and release and absorption of phosphorus are realized in the anaerobic tank and the combined tank; the high-efficiency integrated device adopts an improved UCT process, improves the effects of nitrogen and phosphorus removal, does not need a sedimentation tank, and has high efficiency, small floor area, wide application range and high popularization value. However, the used grating is relatively fixed in installation, inconvenient to disassemble and clean and inconvenient to use; and the floating objects passing through the through holes of the grating easily reach the combined pool from the overflow port, so that the quality of sewage treatment is influenced. Therefore, an integrated sewage treatment device based on membrane treatment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integrated sewage treatment device based on membrane treatment, which solves the problems that the used grating is relatively fixed in installation, inconvenient to disassemble and clean and inconvenient to use; and the floating objects passing through the through holes of the grating easily reach the combined pool from the overflow port, thereby influencing the quality of sewage treatment.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated sewage treatment device based on membrane treatment comprises a combined tank and an anaerobic tank, wherein an anoxic MBBR tank is arranged between the combined tank and the anaerobic tank, overflow ports are arranged between the combined tank and the anaerobic tank and the anoxic MBBR tank, a second reflux system is arranged between the combined tank and the anoxic MBBR tank, a self-sucking pump is fixedly arranged on one side of the combined tank, a water inlet of the self-sucking pump is fixedly connected with a water outlet pipeline communicated with the combined tank, the lower end of the water outlet pipeline is fixedly connected with a membrane treatment area, a first return system is arranged between the anoxic MBBR tank and the anaerobic tank, the upper surface of the anaerobic tank is provided with a clamping groove, the inner side of the clamping groove is provided with a thread groove, the interior of the anaerobic tank is provided with a grid, one side fixed mounting of grid has the fixture block that matches with the draw-in groove, the perforation has been seted up to one side of fixture block, the perforated inside is provided with the butterfly bolt that matches with the thread groove.

Preferably, the clamping block is of an L-shaped structure, and the grating is of a box-type structure with an opening at the upper end.

Preferably, the bottom of the inner cavity of the anoxic MBBR tank is fixedly provided with a first stirring system, and the bottom of the inner cavity of the anaerobic tank is fixedly provided with a second stirring system.

Preferably, an air supply device is fixedly installed on one side of the combined tank, and an air outlet of the air supply device is fixedly connected with an aeration pipe penetrating through the combined tank.

Preferably, a placing groove is formed in the inner side of the overflow port, and a filter screen is arranged in the placing groove.

Preferably, the top of the filter screen is fixedly provided with a handle, and the outer side of the handle is sleeved with an anti-slip rubber sleeve.

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

1. the utility model provides a block is carried out through fixture block and draw-in groove between grid and anaerobism pond to utilize the butterfly bolt to pass the fixture block and fix it on the anaerobism pond, when needing clean, the butterfly bolt of screwing off dismantles the grid, and it is comparatively convenient to operate.

2. The utility model discloses a set up the standing groove in the inside of overflow mouth to set up the filter screen in the inside of standing groove, can avoid the floater through the grid through-hole to go out from the overflow mouth easily and reach the combination pond, can not influence sewage treatment's quality, conveniently take out the filter screen simultaneously and clean, the practicality is stronger.

Drawings

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

FIG. 2 is an enlarged view of part A of the present invention;

fig. 3 is a partial enlarged view of part B of the present invention.

In the figure: 1. a combined pool; 2. an anoxic MBBR pool; 3. an anaerobic tank; 4. a grid; 5. a first stirring system; 6. a first reflux system; 7. a second reflux system; 8. an aeration pipe; 9. a second stirring system; 10. a membrane treatment zone; 11. a water outlet pipeline; 12. a gas supply device; 13. a self-priming pump; 14. a thread groove; 15. a card slot; 16. perforating; 17. a butterfly bolt; 18. a clamping block; 19. an overflow port; 20. a placement groove; 21. a filter screen; 22. a handle.

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.

Examples

Referring to fig. 1-3, an integrated sewage treatment device based on membrane treatment comprises a combined tank 1 and an anaerobic tank 3, wherein an anoxic MBBR tank 2 is arranged between the combined tank 1 and the anaerobic tank 3, an overflow port 19 is arranged between the combined tank 1 and the anaerobic tank 3 and the anoxic MBBR tank 2, a second reflux system 7 is arranged between the combined tank 1 and the anoxic MBBR tank 2, a self-priming pump 13 is fixedly arranged on one side of the combined tank 1, a water outlet pipeline 11 communicated with the combined tank 1 is fixedly connected to a water inlet of the self-priming pump 13, a membrane treatment area 10 is fixedly connected to the lower end of the water outlet pipeline 11, a first reflux system 6 is arranged between the anoxic MBBR tank 2 and the anaerobic tank 3, a clamping groove 15 is arranged on the upper surface of the anaerobic tank 3, a thread groove 14 is arranged on the inner side of the clamping groove 15, a grating 4 is arranged inside the anaerobic tank 3, a clamping block 18 matched with the clamping groove 15 is fixedly, one side of the fixture block 18 is provided with a through hole 16, and a butterfly bolt 17 matched with the thread groove 14 is arranged inside the through hole 16.

Referring to fig. 2, the locking block 18 is in an "L" shape, and the grille 4 is in a box-type structure with an opening at the upper end, so that the dirt can be collected inside the grille 4.

Referring to fig. 1, a first stirring system 5 is fixedly installed at the bottom of an inner cavity of an anoxic MBBR tank 2, and a second stirring system 9 is fixedly installed at the bottom of an inner cavity of an anaerobic tank 3, so that water quality can be fully homogenized, sludge can be mixed, the contact area can be increased, and the treatment effect and efficiency can be improved.

Referring to fig. 1, an air supply device 12 is fixedly installed at one side of the combined tank 1, and an air outlet of the air supply device 12 is fixedly connected with an aeration pipe 8 penetrating through the combined tank 1 to provide oxygen for aerobic reaction.

Referring to fig. 3, a placement groove 20 is formed inside the overflow port 19, and a filter screen 21 is disposed inside the placement groove 20 to block floating objects from entering the combination tank 1 and the anoxic MBBR tank 2.

Referring to fig. 3, a handle 22 is fixedly installed at the top of the filter screen 21, and an anti-slip rubber sleeve is sleeved on the outer side of the handle 22, so that the filter screen 21 can be conveniently lifted.

The utility model discloses the concrete implementation process as follows:

during the use, pour into the inside of anaerobism pond 3 with sewage from grid 4 through the pipeline, the filth is collected in the inside of grid 4, sewage after the filtration is at first through the phosphorus release and make the phosphorus-accumulating bacteria grow fast in anaerobism pond 3, still convert the macromolecule organic matter into the fermentation intermediate product that molecular weight is low and absorb, later sewage gets into oxygen deficiency MBBR pond 2, utilize the nitrate in the aerobic zone flowing back liquid to carry out the denitrification, get into the aerobic zone and carry out nitrification and realize the phosphorus absorption, get into combination pond 1 at last, go out water under membrane treatment zone 10 filtration membrane further treatment and filtering action. When the grid 4 needs to be disassembled and cleaned, the butterfly bolt 17 is screwed off, and the clamping block 18 connected with the grid 4 is moved out of the clamping groove 15, so that the grid 4 can be disassembled. When the filter screen 21 needs to be detached, the handle 22 is used to lift the filter screen 21 upward, so that the filter screen 21 is separated from the inside of the placing groove 20.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integration sewage treatment plant based on membrane treatment, includes combination pond (1) and anaerobism pond (3), its characterized in that: an oxygen-deficient MBBR tank (2) is arranged between the combined tank (1) and the anaerobic tank (3), an overflow port (19) is formed between the combined tank (1) and the anaerobic tank (3) and the oxygen-deficient MBBR tank (2), a second backflow system (7) is arranged between the combined tank (1) and the oxygen-deficient MBBR tank (2), a self-sucking pump (13) is fixedly installed on one side of the combined tank (1), a water outlet pipeline (11) communicated with the combined tank (1) is fixedly connected with a water inlet of the self-sucking pump (13), a membrane treatment area (10) is fixedly connected with a lower end of the water outlet pipeline (11), a first backflow system (6) is arranged between the oxygen-deficient MBBR tank (2) and the anaerobic tank (3), a clamping groove (15) is formed in the upper surface of the anaerobic tank (3), a thread groove (14) is formed in the inner side of the clamping groove (15), a grating (4) is arranged in the anaerobic tank (3), one side of the grating (4) is fixedly provided with a clamping block (18) matched with the clamping groove (15), one side of the clamping block (18) is provided with a through hole (16), and a butterfly bolt (17) matched with the thread groove (14) is arranged in the through hole (16).

2. The integrated sewage treatment device based on membrane treatment as claimed in claim 1, wherein said fixture block (18) is of an "L" type structure, and said grating (4) is of a box type structure with an opening at the upper end.

3. The integrated sewage treatment device based on membrane treatment according to claim 1, wherein a first stirring system (5) is fixedly installed at the bottom of the inner cavity of the anoxic MBBR tank (2), and a second stirring system (9) is fixedly installed at the bottom of the inner cavity of the anaerobic tank (3).

4. The integrated sewage treatment device based on membrane treatment according to claim 1, wherein an air supply device (12) is fixedly installed at one side of the combined tank (1), and an aeration pipe (8) penetrating through the combined tank (1) is fixedly connected to an air outlet of the air supply device (12).

5. The integrated sewage treatment device based on membrane treatment according to claim 1, wherein a placing groove (20) is opened on the inner side of the overflow port (19), and a filter screen (21) is arranged in the placing groove (20).

6. The integrated sewage treatment device based on membrane treatment according to claim 5, wherein a handle (22) is fixedly installed at the top of the filter screen (21), and an anti-skid rubber sleeve is sleeved on the outer side of the handle (22).