CN209853827U

CN209853827U - Two-stage anaerobic tank device

Info

Publication number: CN209853827U
Application number: CN201920592585.9U
Authority: CN
Inventors: 陈福军; 陈福太; 张月生
Original assignee: Hunan Xiangxin Environmental Technology Co Ltd
Current assignee: Hunan Xiangxin Environmental Technology Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-12-27
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a two-stage anaerobic tank device, the inner cavity of which is provided with a hydrophilic combined filling bin and a polyurethane sponge filling bin, the hydrophilic combined filling bin and the polyurethane sponge filling bin are communicated through a U-shaped pipe with a downward opening; the upper part of the hydrophilic combined filler bin is provided with a water inlet A, and the hydrophilic combined filler bin is internally provided with hydrophilic combined filler; the upper part of the polyurethane sponge filler bin is provided with a water outlet, and polyurethane sponge filler is arranged in the polyurethane sponge filler bin.

Description

Two-stage anaerobic tank device

Technical Field

The utility model relates to a water treatment technical field especially relates to a two-stage anaerobic jar device.

Background

Eighteen major proposals of the Party "promote ecological civilization construction vigorously" come, and protect the ecological environment receives further attention. The sewage discharge untreated in daily life of residents has adverse effects on the environment, and the problem is particularly serious in rural areas. Most rural areas are not built with effective sewage treatment facilities, and sewage generated in rural lives is often directly discharged to the surrounding environment, so that a series of problems of sewage transverse flow, poor sanitary environment, surface water pollution and the like are caused. Village-level sewage treatment is relative to town sewage treatment; (1) the collection and dispersion are realized, and the cost for collecting sewage in a large range is high; (2) the operation and maintenance aspects of the first-level village sewage treatment facilities are often worse than those of towns, some technologies suitable for towns are not suitable for villages, and the operation and maintenance cost and the operation and maintenance complexity of the first-level village sewage treatment facilities cannot be high due to the limitation of villages; (3) the township landscape environment is influenced by a sudden sewage treatment facility, and the township sewage treatment facility is fused with the township environment; (4) rural sewage treatment often has the reuse of reclaimed water demand to satisfy the use demands such as planting, view, clean health, etc.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a two-stage anaerobic tank device for a high-efficiency water purification modular constructed wetland system.

In order to achieve the above purpose, the utility model provides a technical scheme does:

the inner cavity of the two-stage anaerobic tank device (1) is provided with a hydrophilic combined filling bin (3) and a polyurethane sponge filling bin (4), and the hydrophilic combined filling bin (3) is communicated with the polyurethane sponge filling bin (4) through a U-shaped pipe (5) with a downward opening; the upper part of the hydrophilic combined filler bin (3) is provided with an A water inlet (6), and a hydrophilic combined filler (7) is arranged in the hydrophilic combined filler bin (3); a water outlet (8) is formed in the upper portion of the polyurethane sponge filler bin (4), and polyurethane sponge fillers (9) are arranged in the polyurethane sponge filler bin (4).

Optionally, the distance between the top surface of the hydrophilic combined filler (7) and the central line of the water inlet (6) is 0.1-0.2m, and the distance between the bottom surface of the hydrophilic combined filler (7) and the bottom of the inner cavity of the hydrophilic combined filler bin (3) is 0.1-0.2 m; the opening of the U-shaped pipe (5) is 0.3-0.4m away from the bottom of the two-stage anaerobic tank device (1). The top surface of the polyurethane sponge filler (9) is 8-12 cm higher than the central line of the water outlet (8). And the tops of the hydrophilic combined filler bin (3) and the polyurethane sponge filler bin (4) are provided with access holes (10).

The following further description of the present invention:

the two-stage anaerobic tank mainly comprises two chambers, and can be sequentially divided into a hydrophilic combined filling bin and a polyurethane sponge filling bin according to the hung filler and functions. The concentration of the pollutants entering the first bin of the two-stage anaerobic tank is high, hydrophilic combined filler is arranged, and the pollutants in water can be subjected to primary treatment by controlling reasonable residence time, so that COD in the water is reduced; the water pollutant is connected via the water inlet of the low-load microbe two-stage anaerobic tank to the hydrophilic combined stuffing bin with hydrophilic combined stuffing in the bottom 0.1-0.2m away from the tank bottom, top 0.1-0.2m below the central line of the water inlet and horizontal interval of 0.1 m. The hydrophilic combined filler bin of the anaerobic tank is communicated with the polyurethane sponge filler bin through a downward U-shaped pipe which is hung from an opening. The U-shaped pipe is made of UPVC materials and consists of three sections of 0.4-0.6m DN100 straight pipelines and 2 DN 10090-degree elbows, after the U-shaped pipe is installed, the opening is 0.3-0.4m away from the bottom of the two-stage anaerobic tank, the distance between the opening and the bottom of the two-stage anaerobic tank is controlled, the smooth water passing is guaranteed, and the grease which is possibly settled in the water inlet can be skimmed. The other opening of the U-shaped pipe extends into the polyurethane sponge filling bin. The bin is provided with block-shaped polyurethane sponge fillers with the size of 0.2-0.3m, and the block-shaped fillers are stacked in order and filled from the bottom of the tank body to 10cm above the central line of the water outlet. The porosity of the polyurethane sponge filler is 80-92 percent, and the specific surface area is 45000-²/m³The utility model discloses a little sewage treatment device, including the filler, the filler is suitable for the little sewage treatment device, the little sewage treatment device is suitable for the little sewage treatment device to be equipped with, polyurethane sponge filler storehouse pollutant load is lower than clear water nature combination filler storehouse, the microorganism of growth is suitable for handling the low concentration pollutant on the filler, polyurethane sponge filler provides the carrier that does benefit to the growth for these microorganism that are suitable for handling the low concentration pollutant, simultaneously through the setting of sponge filler, can filter a large amount of suspended solids in the sewage in this bin, guarantee wetland intake suspended solid content, the too high wetland of suspended solid content blocks up easily, these are often insoluble organic pollutant. And the top parts of the two chambers of the two-stage anaerobic tank are respectively provided with a side length square access hole of 0.4-0.5m, so that the tank body can be conveniently overhauled, and the access holes are provided with composite resin cover plates with the thickness of 4 cm. The two-stage anaerobic tank shell is made of fiber reinforced compositeThe material combination can be integrally formed, the filler in the tank body is preassembled in a processing plant, and the filler is directly excavated and buried in the project site for installation. The size and the capacity of the two-stage anaerobic tank are adjusted according to the size of the treated water quantity, or a plurality of small-scale two-stage anaerobic tanks are connected in parallel.

The technical innovation point of the utility model is that:

(1) the two-stage anaerobic tank is used for culturing microorganisms suitable for treating pollutants with different concentrations, so that the sewage pollutants are efficiently removed;

(2) the polyurethane sponge filler of the two-stage anaerobic tank can provide a proper carrier for the growth of microorganisms and can play a good role in filtering and removing suspended matters in a water body.

Drawings

Fig. 1 is a schematic structural view of the two-stage anaerobic tank device of the present invention.

In the figure: 1. a two-stage anaerobic tank device; 3. a hydrophilic combined filler bin; 4. a polyurethane sponge filler bin; 5. a U-shaped pipe; 6. a, a water inlet; 7. a hydrophilic combined filler; 8. a water outlet; 9. polyurethane sponge filler; 10. and (6) overhauling holes.

Detailed Description

Referring to fig. 1, a hydrophilic combined filling bin 3 and a polyurethane sponge filling bin 4 are arranged in an inner cavity of a two-stage anaerobic tank device 1, and the hydrophilic combined filling bin 3 is communicated with the polyurethane sponge filling bin 4 through a U-shaped pipe 5 with a downward opening; the upper part of the hydrophilic combined filler bin 3 is provided with an A water inlet 6, and a hydrophilic combined filler 7 is arranged in the hydrophilic combined filler bin 3; a water outlet 8 is formed in the upper portion of the polyurethane sponge filler bin 4, and polyurethane sponge filler 9 is arranged in the polyurethane sponge filler bin 4.

Wherein, the distance between the top surface of the hydrophilic combined filler 7 and the central line of the water inlet 6 is 0.1-0.2m, and the distance between the bottom surface of the hydrophilic combined filler 7 and the bottom of the inner cavity of the hydrophilic combined filler bin 3 is 0.1-0.2 m; the opening of the U-shaped pipe 5 is 0.3-0.4m away from the bottom of the two-stage anaerobic tank device 1. The top surface of the polyurethane sponge filler 9 is 8-12 cm higher than the central line of the water outlet 8. And the tops of the hydrophilic combined filler bin 3 and the polyurethane sponge filler bin 4 are provided with access holes 10.

When the two-stage anaerobic jar is used for constructed wetland, sewage gets into unpowered high-efficient modularization constructed wetland through the two-stage anaerobic jar water inlet through collecting, sewage first carries out pollutant degradation and gravity precipitation and suspended solid absorption in hydrophilicity combination filler storehouse and gets rid of, the microorganism that grows on the hydrophilicity combination filler carries out anaerobic reaction to the pollutant in the water, macromolecular pollutant decomposes, the pollutant obtains the degradation of certain degree, the showy small suspended solid is adsorbed on hydrophilicity filler surface in the partial water, aquatic suspended solid concentration also obtains reducing. The sewage of the hydrophilic combined filler bin enters the polyurethane sponge filler bin through the U-shaped conduction pipe, and floaters and grease in the water body are intercepted in the hydrophilic combined filler bin before water passing. After sewage enters the polyurethane sponge filler bin, pollutants in the water are degraded by microorganisms on the sponge filler, and compared with microorganisms on the hydrophilic combined filler in the previous bin, the microorganisms have a better effect of degrading low-concentration pollutants. Suspended substances in the water body are filtered and adsorbed by the polyurethane sponge seasoning, so that the concentration of suspended substances in the effluent of the two-stage anaerobic tank is low and is controlled below 100 mg/L. And the water discharged from the polyurethane sponge filler bin in the two-stage anaerobic tank is connected with the modular wetland through a pipeline.

The sewage is treated by the artificial wetland, the discharged water body is clear and transparent, COD in the water quality index of the discharged water body can be reduced to be below 50mg/L from 200mg/L, the first-level A standard in the pollutant discharge standard of urban sewage treatment plants is reached, and the requirement of rural sewage discharge is met.

Claims

1. A two-stage anaerobic tank device is characterized in that a hydrophilic combined filling bin (3) and a polyurethane sponge filling bin (4) are arranged in an inner cavity of a two-stage anaerobic tank device (1), and the hydrophilic combined filling bin (3) is communicated with the polyurethane sponge filling bin (4) through a U-shaped pipe (5) with a downward opening; the upper part of the hydrophilic combined filler bin (3) is provided with an A water inlet (6), and a hydrophilic combined filler (7) is arranged in the hydrophilic combined filler bin (3); a water outlet (8) is formed in the upper portion of the polyurethane sponge filler bin (4), and polyurethane sponge fillers (9) are arranged in the polyurethane sponge filler bin (4).

2. The two-stage anaerobic tank device according to claim 1, wherein the top surface of the hydrophilic combined packing (7) is 0.1-0.2m away from the central line of the water inlet (6), and the bottom surface of the hydrophilic combined packing (7) is 0.1-0.2m away from the bottom of the inner cavity of the hydrophilic combined packing bin (3); the opening of the U-shaped pipe (5) is 0.3-0.4m away from the bottom of the two-stage anaerobic tank device (1).

3. A two-stage anaerobic tank installation according to claim 1, characterized in that the top surface of the polyurethane sponge filler (9) is 8-12 cm higher than the centre line of the water outlet (8).

4. A two-stage anaerobic tank installation according to claim 1, characterized in that the top of the hydrophilic combined filler bin (3) and the top of the polyurethane sponge filler bin (4) are provided with access holes (10).