CN218454078U - Integrated sewage treatment system - Google Patents

Abstract

The utility model discloses an integrated sewage treatment system, which aims to solve the problems of poor treatment effect and complicated equipment in the prior art. The utility model solves the above-mentioned technical problems through the following technical solutions: including: anaerobic reactors, biochemical tanks, primary sedimentation tanks, reaction tanks, secondary sedimentation tanks, filter tanks and clear water tanks connected in sequence; mixed fillers and exposure tanks are arranged in the biochemical tanks gas device. When the sewage flows into the anaerobic reaction tank from the water inlet pipe, the non-dissolved organic matter in the raw water can be converted into dissolved organic matter to improve the biodegradability of the waste water; then the sewage flows into the biochemical tank, and most of the COD can be removed after biochemical treatment , BOD; after that, it flows into the primary sedimentation tank for precipitation, and the settled sewage enters the reaction tank for reaction. The clear water pool is discharged.

Description

An integrated sewage treatment system

technical field

The utility model relates to the technical field of sewage treatment, in particular to an integrated sewage treatment system.

Background technique

The treatment process of a general integrated sewage treatment device is: anaerobic → facultative → aerobic → sedimentation → filtration → discharge. This technological process is sufficient for treating low-concentration wastewater such as domestic sewage in rural areas and towns, but it is obvious for some industrial wastewater and lipid wastewater treatment with high concentration, such as poultry and livestock waste, water and dairy product wastewater, etc. It's beyond what I want.

Chinese Patent Announcement No. CN214528602U, the announcement date is February 5, 2022. The name of the utility model is a rural domestic sewage treatment system. The application discloses a rural domestic sewage treatment system, and discloses the following technical solutions, including: Including the vegetation, the vegetation is equipped with a sewage treatment system, the side of the vegetation is provided with a water ditch connected with the sewage treatment system, and the sewage treatment system is provided between the water ditch and the vegetation. connected sewage pipes. The sewage treatment system includes a sludge thickening tank connected with the sewage conveying pipe, the side end of the sludge thickening tank is provided with a regulating tank, and an inclined tube sedimentation tank is arranged between the regulating tank and the sludge thickening tank . The above-mentioned application can treat sewage in various places in life, but in the above-mentioned application, only the anoxic aerobic reactor, aerobic reactor, and anaerobic reactor are used to react the sewage, so that the sewage treatment effect is poor, and the above-mentioned sewage treatment device complex structure.

Utility model content

The utility model overcomes the shortcomings of poor treatment effect and complicated equipment in the prior art of sewage treatment equipment, and provides an integrated sewage treatment system, which can efficiently treat sewage, so that the treated sewage can be directly discharged , and the structure of the processing equipment is simple.

In order to solve the above technical problems, the utility model adopts the following technical solutions: an integrated sewage treatment system, including: anaerobic reactors, biochemical tanks, primary sedimentation tanks, reaction tanks, secondary sedimentation tanks, filter tanks and clean water connected in sequence The pool; the biochemical pool is equipped with mixed filler and aeration device.

In the utility model, after the sewage flows into the anaerobic reaction tank from the water inlet pipe, the non-dissolved organic matter in the raw water can be converted into dissolved organic matter through the treatment of the anaerobic reactor, so as to improve the biodegradability of the waste water and facilitate the follow-up After that, the sewage flows into the biochemical tank, and most of the COD and BOD can be removed after biochemical treatment; then it flows into the primary sedimentation tank for precipitation, and the settled sewage enters the reaction tank for reaction, and then flows into the secondary sedimentation tank after the reaction in the reaction tank , carry out the second sedimentation in the secondary settling tank, the water at this time is already in a relatively clean state, and then enter the filter tank for filtration, so that the sewage can be further filtered and purified, and finally discharged through the clean water tank, the above treatment The process has a good treatment effect for some industrial wastewater and aquaculture wastewater with high concentration and small treatment volume.

As a preference, a first settling tank is provided in the primary settling tank, and a second settling tube is set in the secondary settling tank. Conical; the top of the first sedimentation cylinder and the second sedimentation cylinder are provided with vertical pipes and sewage pipes through brackets.

The first settling cylinder and the second settling cylinder are arranged in an inverted cone shape, so that the effect of sedimentation can be improved by using the inclined side of the inverted cone shape, so that the settled sludge can be gathered at the bottom; the setting of the vertical sewage pipe enables the sewage to flow smoothly Flow along the vertical sewage pipe, so that the sewage can slowly flow into the sedimentation tank below.

As preferably, the top of the side wall between the biochemical tank and the primary sedimentation tank is provided with a first overflow tank, and the first flow pipe is communicated between the biochemical tank and the primary sedimentation tank, and one end of the first flow pipe is arranged at the bottom of the biochemical tank, and the second The other end of a flow pipe is arranged above the primary sedimentation tank.

The first overflow tank allows the sewage to flow into the biochemical pool better, so that the height of the liquid in the biochemical pool can be controlled; at the same time, the first flow pipe is set so that the first flow pipe can directly discharge the sewage with a higher concentration at the bottom of the biochemical pool into the second The bottom of a sedimentation tank, while the sewage with low concentration above the biochemical tank overflows to the top of the primary sedimentation tank through the first overflow tank.

Preferably, a sludge tank is arranged between the primary settling tank and the secondary settling tank, and both the primary settling tank and the secondary settling tank are connected to the sludge tank through pipelines; the sludge tank is connected to a sludge discharge pipe.

The sludge tank can collect the sludge in the primary settling tank and the secondary settling tank at the same time, and discharge it through the sludge discharge pipe to improve the efficiency of sludge discharge.

Preferably, a second overflow tank is provided above the side wall between the primary sedimentation tank and the reaction tank, and a third overflow tank is provided above the side wall between the reaction tank and the secondary sedimentation tank.

The second overflow tank enables the sewage above the primary sedimentation tank to better overflow into the reaction tank for reaction, so that the height of the liquid in the primary sedimentation tank can be controlled; the sewage after reaction in the reaction tank can flow into the second overflow tank through the third overflow tank. In the settling tank, the third overflow tank can control the height of the sewage in the reaction tank.

Preferably, the reaction tank and the secondary sedimentation tank are communicated through a second flow pipe, one end of the second flow pipe is arranged above the reaction pool, and the other end of the second flow pipe is arranged above the secondary sedimentation tank.

The second flow pipe can make the sewage flow from the reaction tank into the secondary sedimentation tank better.

As preferably, a fourth overflow tank is provided on the side wall between the secondary settling tank and the filter tank,

The fourth overflow tank enables the sewage in the secondary settling tank to flow into the filter tank better, so that the height of the sewage in the secondary settling tank can be controlled.

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

(1) Sewage is treated efficiently so that the treated sewage can be discharged directly;

(2) The overall processing equipment has a simple structure, saving investment and manufacturing costs.

Description of drawings

Fig. 1 is the structural representation of the front view direction of the present utility model;

Fig. 2 is the structural representation of the top view direction of the utility model;

In the figure: 1. Anaerobic reactor;

2. Biochemical tank, 21. Mixed filler, 22. Aeration device, 23. The first overflow tank, 24. The first flow pipe;

3. Primary settling tank, 31. First settling tank, 32. Second overflow tank;

4. Reaction tank, 41, the third overflow tank, 42, the second flow pipe;

5. Second sedimentation tank, 51. Second sedimentation tank;

6. Filter pool, 61. Backwash water pipe;

7. Clean water pool;

8, sludge pond, 81, mud discharge pipe.

Detailed ways

Below by specific embodiment, in conjunction with accompanying drawing, the technical scheme of the utility model is described further in detail:

Embodiment 1: An integrated sewage treatment system, comprising: anaerobic reactor 1, biochemical tank 2, primary sedimentation tank 3, reaction tank 4, secondary sedimentation tank 5, filter tank 6 and clear water tank 7 connected in sequence; biochemical The tank 2 is provided with a mixed filler 21 and an aeration device 22 .

The primary sedimentation tank 3 is provided with a first sedimentation tank 31, and the secondary sedimentation tank 5 is provided with a second sedimentation tank 51. Both the first sedimentation tank 31 and the second sedimentation tank 51 are set so that the cross-sectional area of the bottom end is small and the upper end surface is cross-sectional. Inverted conical shape with a large product; the top of the first settling cylinder 31 and the second settling cylinder 51 are provided with vertical pipes and sewage pipes through brackets. The first settling cylinder 31 and the second settling cylinder 51 are arranged in an inverted cone shape, so that the effect of sedimentation can be improved by using the inclined side of the inverted cone shape, so that the sedimented sludge can be gathered at the bottom; the setting of the vertical sewage pipe makes the sewage It can flow along the vertical sewage pipe, so that the sewage can slowly flow into the sedimentation tank below.

Above the side wall provided between the biochemical pool 2 and the primary sedimentation tank 3 is provided with a first overflow tank 23, between the biochemical pool 2 and the primary sedimentation tank 3 is communicated with a first flow pipe 24, one end of the first flow pipe 24 It is arranged at the bottom of the biochemical tank 2 , and the other end of the first flow pipe 24 communicates with the vertical sewage pipe above the primary sedimentation tank 3 . The first overflow tank 23 makes sewage can flow in the biochemical pool 2 better, makes it possible to control the height of the liquid in the biochemical pool 2; Larger sewage is directly discharged into the bottom of the first settling tank 31 through the vertical sewage pipe, while the sewage with lower concentration above the biochemical tank overflows to the top of the primary sedimentation tank 3 through the first overflow tank 23 .

Between the reaction tank 4 and the secondary settling tank 5, communicate through the second flow pipe 42, one end of the second flow pipe 42 is arranged on the top of the reaction pool 4, and the other end of the second flow pipe 42 is connected with the second flow pipe 42 above the secondary settling tank 5. The vertical sewage pipe is connected. The second flow pipe 42 can make the sewage flow from the reaction tank into the secondary sedimentation tank 5 better.

A sludge tank 8 is set between the primary settling tank 3 and the secondary settling tank 5 , and both the primary settling tank 3 and the secondary settling tank 5 are connected to the sludge tank 8 through pipelines; the sludge tank 8 is connected to a sludge discharge pipe 81 . The sludge tank 8 can collect the sludge in the primary settling tank 3 and the secondary settling tank 5 at the same time, and discharge them through the sludge discharge pipe 81 to improve the efficiency of sludge discharge.

A second overflow tank 32 is provided above the side wall between the primary sedimentation tank 3 and the reaction tank 4 , and a third overflow tank 41 is provided above the side wall between the reaction tank 4 and the secondary sedimentation tank 5 . The second overflow tank 32 allows the sewage above the primary sedimentation tank 3 to better overflow into the reaction tank 4 for reaction, so that the height of the liquid in the primary sedimentation tank 3 can be controlled; the sewage after the reaction in the reaction tank 4 passes through the second The third overflow tank 41 can flow into the secondary sedimentation tank 5 , and the third overflow tank 41 can control the height of the sewage in the reaction tank 4 .

A fourth overflow tank 52 is provided on the side wall between the secondary sedimentation tank 5 and the filter tank 6 .

The filter tank 6 is connected with a backwash water pipe 61 , and the backwash water pipe 61 can backwash the filter tank 6 .

In the utility model, the anaerobic reactor 1 is prior art, and the specific structure is with reference to the publication number CN209081528U Chinese utility model patent document; The non-dissolved organic matter in the raw water can be converted into dissolved organic matter, and the biodegradability of the wastewater can be improved to facilitate the subsequent biological treatment; then the sewage flows into the biochemical pool 2, and most of the COD and BOD can be removed after biochemical treatment; Afterwards, the sewage flows into the primary sedimentation tank 3 through the first overflow tank 24 or the first flow pipe 24 for sedimentation, and the sedimented sewage enters the reaction tank 4 for reaction, and flows into the secondary sedimentation tank 5 after the reaction in the reaction tank 4. The second sedimentation is carried out in the pool 5. At this time, the water is already in a relatively clean state, and then enters the filter pool 6 for filtration, so that the sewage is further filtered and purified, and finally discharged through the clear water pool 7. The above-mentioned treatment process It has a good treatment effect for some industrial wastewater and aquaculture wastewater with high concentration and small treatment volume.

The above-described embodiments are only preferred solutions of the utility model, and are not intended to limit the utility model in any form. There are other variations and modifications on the premise of not exceeding the technical solutions described in the claims.

Claims (6)

1. An integrated sewage treatment system, characterized by comprising: an anaerobic reactor, a biochemical tank, a primary sedimentation tank, a reaction tank, a secondary sedimentation tank, a filter tank and a clean water tank which are connected in sequence; a mixed filler and an aeration device are arranged in the biochemical pool;

a first sedimentation cylinder is arranged in the primary sedimentation tank, a second sedimentation cylinder is arranged in the secondary sedimentation tank, and the first sedimentation cylinder and the second sedimentation cylinder are both arranged into inverted cones with small cross-sectional areas at the bottom ends and large cross-sectional areas at the upper end surfaces; vertical blow-off pipes are arranged above the first precipitation cylinder and the second precipitation cylinder through the support.

2. The integrated sewage treatment system according to claim 1 wherein a first overflow trough is provided above the side wall between the biochemical tank and the primary sedimentation tank, a first flow pipe is communicated between the biochemical tank and the primary sedimentation tank, one end of the first flow pipe is provided at the bottom of the biochemical tank, and the other end of the first flow pipe is provided above the primary sedimentation tank.

3. The integrated sewage treatment system according to claim 1, wherein a sludge tank is arranged between the primary sedimentation tank and the secondary sedimentation tank, and the primary sedimentation tank and the secondary sedimentation tank are both communicated with the sludge tank through pipelines; the sludge tank is connected with a sludge discharge pipe.

4. The integrated sewage treatment system according to claim 1 wherein a second overflow tank is provided above the side wall between the primary sedimentation tank and the reaction tank, and a third overflow tank is provided above the side wall between the reaction tank and the secondary sedimentation tank.

5. The integrated sewage treatment system of claim 1 wherein the reaction tank is in communication with the secondary sedimentation tank through a second flow pipe, one end of the second flow pipe being disposed above the reaction tank, and the other end of the second flow pipe being disposed above the secondary sedimentation tank.

6. The integrated sewage treatment system according to any one of claims 1 to 5 wherein a fourth overflow tank is provided on a side wall between the secondary sedimentation tank and the filtration tank.

Images