CN210711161U

CN210711161U - Hierarchical municipal sewage treatment plant

Info

Publication number: CN210711161U
Application number: CN201921384834.1U
Authority: CN
Inventors: 任超
Original assignee: Jiangsu Zhongmei Huachao Science And Technology Environmental Protection Co ltd
Current assignee: Jiangsu Zhongmei Huachao Science And Technology Environmental Protection Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-09
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a hierarchical municipal sewage treatment plant relates to municipal sewage treatment technical field, and for solving the municipal sewage treatment method purification process among the prior art more, it is long too long when consuming to lead to the problem that efficiency can't obtain the promotion. The graded sewage treatment pond includes the sludge dewatering pond, one side in sludge dewatering pond is provided with sealed valve plate, the opposite side of sealed valve plate is provided with the sedimentation filtering pond, the inside of sedimentation filtering pond is provided with floats the filter screen, float including first screen frame of filter screen, one side of first screen frame is provided with the second screen frame, the surface of first screen frame and second screen frame all is provided with the multilayer filter screen, the both ends of floating the filter screen all are provided with automatically controlled slider, the below of floating the filter screen is provided with scrapes the mud bottom plate, one side of sedimentation filtering pond is provided with first check valve, the opposite side of first check valve is provided with the aeration tank.

Description

Hierarchical municipal sewage treatment plant

Technical Field

The utility model relates to a municipal sewage treatment technical field specifically is a hierarchical municipal sewage treatment plant.

Background

The urban sewage treatment refers to measures taken for changing the sewage property so that the sewage does not harm the environmental water area; the urban sewage treatment is generally divided into three stages: first-stage treatment, namely removing insoluble pollutants and parasitic ova in the sewage by using a physical treatment method; the second-stage treatment is to apply a biological treatment method to oxidize and degrade various complex organic matters in the sewage into simple substances; the third-stage treatment is to remove phosphorus, nitrogen, refractory organic matters, inorganic salts and the like in the sewage by applying a chemical precipitation method, a biochemical method, a physicochemical method and the like. The treatment at any stage is reasonable and depends on the treatment requirement of the final effluent; generally, the main pollutants of the urban sewage are easily degradable organic matters, so that most of the urban sewage treatment plants adopt an aerobic biological treatment method. If the wastewater in the sewage has large specific gravity, high content of refractory organic matters and poor sewage treatability, the possibility of improving the treatability by anaerobic treatment or a physical and chemical method is considered to be increased; generally, the urban sewage treatment takes primary treatment as pretreatment and secondary treatment as a main body, and the tertiary treatment is rarely used; the sewage discharged from general factory is treated by at least two stages; since the sludge discharged from the secondary treatment may cause secondary pollution, sludge treatment is also required.

However, the existing urban sewage treatment method has more purification processes, and the efficiency cannot be improved due to long consumption time; therefore, the existing requirements are not met, and a graded urban sewage treatment device is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hierarchical municipal sewage treatment plant to the municipal sewage treatment method who provides in solving above-mentioned background art purifies the process more, leads to the problem that efficiency can't obtain the promotion when consuming long time excessively.

In order to achieve the above object, the utility model provides a following technical scheme: a graded urban sewage treatment device comprises a graded sewage treatment tank, wherein the graded sewage treatment tank comprises a sludge dewatering tank, one side of the sludge dewatering tank is provided with a sealing valve plate, the other side of the sealing valve plate is provided with a sedimentation filter tank, the inside of the sedimentation filter tank is provided with a floating filter screen, the floating filter screen comprises a first filter screen frame, one side of the first filter screen frame is provided with a second filter screen frame, the outer surfaces of the first filter screen frame and the second filter screen frame are respectively provided with a multilayer filter screen, the two ends of the floating filter screen are respectively provided with an electric control slide block, a mud scraping bottom plate is arranged below the floating filter screen, one side of the sedimentation filter tank is provided with a first check valve, the other side of the first check valve is provided with an aeration tank, an aerator is arranged above the aeration tank, the number of aerators is two, and an aeration contact rod is arranged below the aerator, the opposite side of aeration tank is provided with the second check valve, the opposite side of second check valve is provided with the anaerobism pond, the top of anaerobism pond is provided with the ozone sprue, the opposite side of anaerobism pond is provided with the active carbon filter tube.

Preferably, the sludge dewatering tank is connected with the sedimentation filter tank through a sealing valve plate, and the sedimentation filter tank is connected with the sealing valve plate through a sliding chute.

Preferably, the first screen frame and the second screen frame are rotatably connected with the electric control slide block through rotating shafts, and the first screen frame and the second screen frame are connected with the multilayer filter screen through clamping grooves.

Preferably, the mud scraping bottom plate and the electric control slide block are in sliding connection with the sedimentation and filtration tank through slide rails, and the aeration tank is connected with the aerator through screws.

Preferably, the sedimentation filter tank is connected with the aeration tank through a first check valve, and the aeration tank is connected with the anaerobic tank through a second check valve.

Preferably, the anaerobic tank is connected with the activated carbon filter tube through a flange, and the anaerobic tank is connected with the ozone injection port through a clamping groove.

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

1. the utility model discloses a when deposiing filtering ponds and deposiing and filterable processing to sewage, after filtration processing, make upper clear water flow into aeration tank through the valve, when deposit water reachd the precipitate height, close the valve, open sealed valve plate, scrape the sludge water of deposit in the bottom into the mud dehydration pond through the scraper blade and carry out evaporation dehydration through evaporation dehydration, after mud is scraped out, pour into sewage into precipitation filtering ponds again, aeration machine carries out aeration treatment to water in the aeration tank, after all accomplishing in aeration tank and precipitation filtering ponds, earlier carry the water of aeration tank to carry out anaerobic treatment in the anaerobism pond through the second check valve, and the work procedure before the precipitation filtering ponds repeat, after handling in three ponds at last, water in the anaerobism pond carries out the processing of last stage to quality of water through the active carbon filter tube, aeration tank and precipitation filtering ponds then repeat work before, the method realizes high-efficiency treatment process and improves the purification efficiency of sewage.

Drawings

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

FIG. 2 is a diagram showing the expansion effect of the floating screen of the present invention;

figure 3 is the utility model discloses a float closed effect picture of filter screen.

In the figure: 1. a graded sewage treatment tank; 2. a sludge dewatering tank; 3. a sealing valve plate; 4. a sedimentation and filtration tank; 5. a floating filter screen; 6. a mud scraping bottom plate; 7. an aeration tank; 8. an aerator; 9. an aeration feeler lever; 10. a first check valve; 11. a second check valve; 12. an anaerobic tank; 13. an ozone injection port; 14. an activated carbon filter tube; 15. a first screen frame; 16. a second screen frame; 17. a plurality of layers of filter screens; 18. an electrically controlled slider.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a graded urban sewage treatment device comprises a graded sewage treatment tank 1, wherein the graded sewage treatment tank 1 comprises a sludge dewatering tank 2, one side of the sludge dewatering tank 2 is provided with a sealing valve plate 3 for controlling the flow direction of sludge, the other side of the sealing valve plate 3 is provided with a sedimentation filter tank 4, the sedimentation filter tank 4 is internally provided with a floating filter screen 5 for salvaging and filtering floating objects in the sedimentation filter tank 4, the floating filter screen 5 comprises a first filter screen frame 15, one side of the first filter screen frame 15 is provided with a second filter screen frame 16, the outer surfaces of the first filter screen frame 15 and the second filter screen frame 16 are respectively provided with a plurality of layers of filter screens 17, two ends of the floating filter screen 5 are respectively provided with an electric control slide block 18, a sludge scraping bottom plate 6 is arranged below the floating filter screen 5 for scraping sludge deposited at the bottom, one side of the filtration sedimentation tank 4 is provided with a first check valve 10, the other side of the first check valve 10 is provided, the top of aeration tank 7 is provided with aeration machine 8, and aeration machine 8 has two, and aeration machine 8's below is provided with aeration feeler lever 9, and aeration tank 7's opposite side is provided with second check valve 11, and the opposite side of second check valve 11 is provided with anaerobism pond 12, and the top of anaerobism pond 12 is provided with ozone sprue 13, and the opposite side of anaerobism pond 12 is provided with activated carbon filter tube 14, carries out the processing of final stage to quality of water, gets rid of the peculiar smell of aquatic.

Further, the sludge dewatering tank 2 is connected with the sedimentation filter tank 4 through a sealing valve plate 3, and the sedimentation filter tank 4 is connected with the sealing valve plate 3 through a sliding groove.

Further, the first screen frame 15 and the second screen frame 16 are rotatably connected with the electric control slide block 18 through a rotating shaft, and the first screen frame 15 and the second screen frame 16 are connected with the multilayer filter screen 17 through clamping grooves.

Further, the mud scraping bottom plate 6 and the electric control slide block 18 are connected with the sedimentation and filtration tank 4 in a sliding mode through slide rails, and the aeration tank 7 is connected with the aerator 8 through screws, so that the stability is enhanced.

Further, the sedimentation filter tank 4 is connected with the aeration tank 7 through a first check valve 10, and the aeration tank 7 is connected with the anaerobic tank 12 through a second check valve 11, so that the flow direction of purified water is controlled, and the backflow phenomenon among different tanks is prevented.

Further, anaerobism pond 12 passes through flange joint with active carbon filter tube 14, ensures the sealing performance of pipeline, and anaerobism pond 12 is connected through the draw-in groove with ozone sprue 13, is convenient for carry out fixed mounting.

The working principle is as follows: when in use, sewage is conveyed into the sedimentation filter tank 4 through a pipeline to precipitate the sewage in the tank, meanwhile, in the process of precipitation, floating objects in the sewage are salvaged and filtered through the floating filter screen 5, when the floating filter screen 5 descends, the first filter screen frame 15 and the second filter screen frame 16 are folded downwards and overlapped into the water by taking the electric control slide block 18 as the center, after reaching a certain depth, the first filter screen frame 15 and the second filter screen frame 16 rotate upwards and expand by taking the electric control slide block 18 as the center, at the moment, the floating filter screen 5 begins to ascend, floating pollutants in the water are salvaged up through the filter screen, a worker cleans the filter screen again, the operation is repeated for many times until the floating objects in the sewage are completely filtered, in the process of filtering, particles and sludge in the sewage are also precipitated, the first check valve 10 is opened to enable upper clear water to flow into the aeration tank 7, when the water in the sedimentation filter tank 4 reaches the height of the sediment, closing the first check valve 10, opening the sludge scraping bottom plate 6 and the sealing valve plate 3, scraping sludge water deposited at the bottom into the sludge dewatering tank 2 through a scraper for evaporation dewatering treatment, after sludge is scraped out, injecting sewage into the sedimentation filtering tank 4 again, aerating the water in the aeration tank 7 through an aerator 8, after the aeration tank 7 and the sedimentation filtering tank 4 are both finished, firstly conveying the water in the aeration tank 7 into an anaerobic tank 12 through a second check valve 11 for anaerobic treatment, repeating the previous working procedure in the sedimentation filtering tank 4, after the treatment in the three tanks is finished, carrying out the final-stage treatment on the water quality through an activated carbon filter pipe 14 by the water in the anaerobic tank 12, removing peculiar smell in the water, and repeating the previous work in the aeration tank 7 and the sedimentation filtering tank 4, thereby finally realizing the high-efficiency classification treatment of the sewage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hierarchical municipal sewage treatment plant, includes hierarchical sewage treatment pond (1), its characterized in that: the graded sewage treatment tank (1) comprises a sludge dewatering tank (2), one side of the sludge dewatering tank (2) is provided with a sealing valve plate (3), the other side of the sealing valve plate (3) is provided with a sedimentation filter tank (4), the inside of the sedimentation filter tank (4) is provided with a floating filter screen (5), the floating filter screen (5) comprises a first filter screen frame (15), one side of the first filter screen frame (15) is provided with a second filter screen frame (16), the outer surfaces of the first filter screen frame (15) and the second filter screen frame (16) are both provided with a multilayer filter screen (17), the two ends of the floating filter screen (5) are both provided with electric control sliders (18), a mud scraping bottom plate (6) is arranged below the floating filter screen (5), one side of the sedimentation filter tank (4) is provided with a first check valve (10), the other side of the first check valve (10) is provided with an aeration tank (7), the top of aeration tank (7) is provided with aeration machine (8), and aeration machine (8) have two, the below of aeration machine (8) is provided with aeration feeler lever (9), the opposite side of aeration tank (7) is provided with second check valve (11), the opposite side of second check valve (11) is provided with anaerobism pond (12), the top of anaerobism pond (12) is provided with ozone sprue (13), the opposite side of anaerobism pond (12) is provided with activated carbon filter tube (14).

2. The apparatus of claim 1, wherein: the sludge dewatering tank (2) is connected with the sedimentation and filtration tank (4) through a sealing valve plate (3), and the sedimentation and filtration tank (4) is connected with the sealing valve plate (3) through a sliding groove.

3. The apparatus of claim 1, wherein: first screen frame (15) and second screen frame (16) are connected through the pivot rotation with automatically controlled slider (18), first screen frame (15) and second screen frame (16) pass through the draw-in groove with multilayer filter screen (17) and are connected.

4. The apparatus of claim 1, wherein: the mud scraping bottom plate (6) and the electric control slide block (18) are connected with the sedimentation and filtration tank (4) in a sliding mode through slide rails, and the aeration tank (7) is connected with the aerator (8) through screws.

5. The apparatus of claim 1, wherein: the sedimentation and filtration tank (4) is connected with the aeration tank (7) through a first check valve (10), and the aeration tank (7) is connected with the anaerobic tank (12) through a second check valve (11).

6. The apparatus of claim 1, wherein: the anaerobic tank (12) is connected with the activated carbon filter tube (14) through a flange, and the anaerobic tank (12) is connected with the ozone injection port (13) through a clamping groove.