CN212504214U

CN212504214U - Rural sewage integration treatment facility

Info

Publication number: CN212504214U
Application number: CN202020362125.XU
Authority: CN
Inventors: 程霞风; 涂育伟; 罗少川
Original assignee: Anhui Zhongyuan Jintian Environmental Science And Technology Co ltd
Current assignee: Anhui Zhongyuan Jintian Environmental Science And Technology Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-02-09
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a rural sewage integrated treatment device, which comprises an integrated treatment tank, wherein the internal space of the integrated treatment tank is divided into an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank by a partition plate, openings are arranged on the lower part of the partition plate between the anaerobic tank and the anoxic tank and the upper part of the partition plate between the anoxic tank and the aerobic tank, MBBR filler is arranged in the aerobic tank, and an aeration mechanism is arranged at the bottom of the aerobic tank; the device reasonably integrates the anaerobic tank, the anoxic tank, the aerobic tank and the sedimentation tank, occupies small area, has few mechanical devices, only has air blower equipment, adopts air stripping mode sludge backflow, and has few control points, low energy consumption and low operation cost.

Description

Rural sewage integration treatment facility

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to rural sewage integration treatment facility.

Background

Under the background of rapid development of social economy in China, sewage treatment is more and more emphasized, wherein rural sewage treatment is also developed to a great extent, but the rural sewage has the characteristics of small water discharge, dispersion, large water quality fluctuation and the like, so that some problems still exist in the rural sewage treatment process.

At present, the rural sewage treatment process is characterized in that a conventional traditional activated sludge method is removed, and technologies such as an artificial wetland, MBR integrated equipment, a rapid infiltration land treatment system, an oxidation pond technology and the like are applied, wherein the artificial wetland and the MBR integrated equipment are applied more commonly, and although the artificial wetland has the characteristics of low relative investment cost, low operation and maintenance technical requirements, capability of being constructed by combining with landscapes and the like, the rural sewage treatment process has the defects of large floor area and low treatment efficiency, and is not easy to maintain and manage. MBR integration equipment goes out water quality of water better, and degree of automation is high, because high integration can practice thrift area, nevertheless has brought the inconvenience for later stage's plant maintenance, and investment cost and running cost are all higher moreover. Therefore, in such a situation, equipment suitable for rural sewage treatment needs to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid cut-off equipment drops into use to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the rural sewage integrated treatment equipment comprises an integrated treatment tank, wherein the internal space of the integrated treatment tank is divided into an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank by partition plates, openings are formed in the lower part of the partition plate between the anaerobic tank and the anoxic tank and the upper part of the partition plate between the anoxic tank and the aerobic tank, MBBR (moving bed biofilm reactor) fillers are arranged in the aerobic tank, and an aeration mechanism is arranged at the bottom of the aerobic tank;

and air stripping conveying mechanisms are arranged between the aerobic tank and the anoxic tank and between the sedimentation tank and the anaerobic tank and the sludge tank.

Preferably, air lift conveying mechanism comprises stalk, air hose and air-blower, all insert in good oxygen pond and the sedimentation tank and be equipped with the stalk, air hose and air-blower air outlet intercommunication, the other end branch of air hose communicates with the lower extreme lateral wall of two stalk respectively, the stalk other end of inserting and establishing in good oxygen pond extends to the inboard upper portion of oxygen deficiency pond, and the other end branch of inserting the stalk of establishing in the sedimentation tank extends to the inboard upper portion of anaerobism pond and sludge impoundment respectively.

Preferably, the sedimentation tank is formed by fixedly arranging an inclined pipe inside the tank body, two sewage pipes with one closed ends are arranged above the inclined pipe, a water outlet is formed in the lower side of the sewage pipe, and the other end of the sewage pipe is communicated with the aerobic tank.

Preferably, the aeration mechanism is composed of aeration hoses which are arranged at the bottom of the aerobic tank in a staggered mode, and the aeration hoses are communicated with the air pipe through a connecting pipe.

Preferably, the liquid lifting pipe, the air pipe, the sewage pipe and the connecting pipe are simultaneously provided with an automatic valve and a manual valve, and the automatic valve is controlled to be switched on and off by a PLC (programmable logic controller).

The utility model discloses a technological effect and advantage: the rural sewage integrated treatment equipment comprises a water tank,

1. the anaerobic tank, the anoxic tank, the aerobic tank and the sedimentation tank are reasonably integrated, and a water inlet mode of feeding water from bottom to top is adopted, so that the sewage is fully mixed, the occupied area is small, and the water treatment is more efficient.

2. Mechanical equipment is few, only an air blower provides power, the sludge is refluxed by adopting an air stripping mode, control points are few, energy consumption is low, maintenance is more convenient, and investment cost is low.

3. The gas delivery quantity of the gas stripping conveying mechanism is changed by adjusting the valve on the aeration gas stripping pipeline, so that the large-proportion reflux of the nitrified liquid is realized, and the loss of a large amount of microorganisms is effectively avoided.

4. Two sections of sewage pipes are arranged between the aerobic tank and the sedimentation tank, so that sewage can be uniformly flushed onto the inclined pipe, the sedimentation effect is guaranteed, and the service life of the inclined pipe is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. an integrated treatment tank; 2. a gas stripping conveying mechanism; 3. an opening; 4. MBBR filler; 5. an aeration mechanism; 6. a partition plate; 7. an inclined tube; 8. a sewage pipe; 9. a water outlet; 10. an automatic valve; 11. a manual valve; 12. a connecting pipe; 21. a riser tube; 22. an air tube; 23. a blower; 51. an aeration hose; 101. an anaerobic tank; 102. an anoxic tank; 103. an aerobic tank; 104. a sedimentation tank.

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.

The utility model provides a rural sewage integrated treatment device as shown in figure 1, which comprises an integrated treatment tank 1, wherein the internal space of the integrated treatment tank 1 is divided into an anaerobic tank 101, an anoxic tank 102, an aerobic tank 103 and a sedimentation tank 104 by a partition plate 6, openings 3 are arranged on the lower part of the partition plate 6 between the anaerobic tank 101 and the anoxic tank 102 and the upper part of the partition plate 6 between the anoxic tank 102 and the aerobic tank 103, MBBR fillers 4 are arranged in the aerobic tank 103, and an aeration mechanism 5 is arranged at the bottom of the aerobic tank 103;

the gas stripping conveying mechanism 2 is arranged between the aerobic tank 103 and the anoxic tank 102 and between the sedimentation tank 104 and the anaerobic tank 101 and the sludge tank, sewage is discharged into the anaerobic tank 101 of the integrated treatment tank 1 to remove part of COD through microbial reaction, part of nitrate nitrogen pollutants in the inlet water are removed through denitrification of the anoxic tank 102 after flowing through the anoxic tank 102 in sequence, the part of nitrate nitrogen pollutants in the inlet water enter the aerobic tank 103 through the opening 3, aeration is carried out on the sewage through the aeration mechanism 5, a plurality of aerobic microorganisms are provided on the MBBR filler 4 to decompose organic matters in the sewage, the blower 23 of the gas stripping conveying mechanism 2 provides compressed air to the aeration mechanism 5, power is provided to return the sewage in the aerobic tank 103 to the anoxic tank 102 for denitrification again, and the microorganisms reduce nitrate and nitrite in the sewage into gaseous nitride and nitrogen, thereby removing total nitrogen, finally, sewage enters the sedimentation tank 104, the treated water is discharged, the settled sludge provides reflux power in a gas stripping mode, one part of the settled sludge refluxes into the anaerobic tank 101 to carry out next decomposition treatment reaction of organic matters, the other part of the settled sludge is discharged out of the integrated treatment tank 1 and conveyed into the sludge tank, and a plurality of reaction treatment tanks are concentrated into one integrated treatment tank 1, so that the occupied area is small;

through the opening 3 on the partition plate 6, a water inlet mode of feeding water from bottom to top is adopted, so that the sewage is fully mixed, and the operation is high-efficiency;

the air blower 23 of the air stripping conveying mechanism 2 provides power to realize the backflow of sewage and sludge, and the air stripping conveying mechanism has the advantages of few mechanical equipment, few control points, low energy consumption and low operation cost.

The gas stripping conveying mechanism 2 is composed of liquid lifting pipes 21, air pipes 22 and an air blower 23, the liquid lifting pipes 21 are inserted into the aerobic tank 103 and the sedimentation tank 104, the air pipes 22 are communicated with an air outlet of the air blower 23, branches at the other ends of the air pipes 22 are respectively communicated with the side walls of the lower ends of the two liquid lifting pipes 21, the other ends of the liquid lifting pipes 21 inserted into the aerobic tank 103 extend to the upper part of the inner side of the anoxic tank 102, branches at the other ends of the liquid lifting pipes 21 inserted into the sedimentation tank 104 extend to the upper parts of the inner sides of the anaerobic tank 101 and the sludge tank, the gas stripping principle is that mixed liquid is lifted by using the density difference of liquid inside and outside the pipes, the mixed liquid in the aerobic tank 103 flows back into the anoxic tank 102 through the liquid lifting pipes 21 by blowing of the air blower 23, and the sludge in the sedimentation tank 104 flows.

Sedimentation tank 104 constitutes for the inside fixed pipe chute 7 that sets up of cell body, and the top of pipe chute 7 is provided with two sections one end confined sewage pipes 8, delivery port 9 has been seted up to the downside of sewage pipe 8, and the other end of sewage pipe 8 and good oxygen pond 103 intercommunication, and in the sewage in the good oxygen pond 103 got into sewage pipe 8 earlier, on the 8 runner pipe chutes 7 of rethread sewage pipe, avoided sewage to concentrate in a large number in the front portion of pipe chute 7, caused the not good condition of sedimentation effect, guaranteed that the water distribution is more even.

The aeration mechanism 5 is composed of aeration hoses 51 which are arranged at the bottom of the aerobic tank 103 in a staggered way, the aeration hoses 51 are communicated with the air pipe 22 through the connecting pipe 12, the air is input into the aeration hoses 51 through the blower 23, the aeration hoses 51 input the air into the aerobic tank 103 through an upper opening, the aeration range is wide, and the aeration efficiency is high.

And a dissolved oxygen meter is placed in the aeration tank, the oxygen concentration is detected and fed back to the PLC control, and the aeration air quantity is adjusted, so that efficient and stable operation is realized.

Automatic valve 10 and manual valve 11 are all installed simultaneously on stalk 21, air hose 22, sewage pipe 8 and the connecting pipe 12, and automatic valve 10 passes through PLC controller control break-make, have also guaranteed the security when guaranteeing automated management, and when manual valve 11 was all opened, through the PLC controller, can realize controlling sewage treatment operation, easy operation is fit for rural sewage treatment's operation and management.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a rural sewage integration treatment facility which characterized in that: the integrated treatment device comprises an integrated treatment tank, wherein the internal space of the integrated treatment tank is divided into an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank by partition plates, openings are formed in the lower part of the partition plate between the anaerobic tank and the anoxic tank and the upper part of the partition plate between the anoxic tank and the aerobic tank, MBBR fillers are arranged in the aerobic tank, and an aeration mechanism is arranged at the bottom of the aerobic tank;

2. The rural sewage integrated treatment equipment according to claim 1, characterized in that: the air lift conveying mechanism is composed of liquid lift pipes, air pipes and an air blower, the liquid lift pipes are inserted into the aerobic tank and the sedimentation tank, the air pipes are communicated with air outlets of the air blower, branches of the other ends of the air pipes are communicated with the side walls of the lower ends of the two liquid lift pipes respectively, the other ends of the liquid lift pipes inserted into the aerobic tank extend to the upper portion of the inner side of the anoxic tank, and branches of the other ends of the liquid lift pipes inserted into the sedimentation tank extend to the upper portions of the inner sides of the anaerobic tank and the sludge tank respectively.

3. The rural sewage integrated treatment equipment of claim 2, wherein: the sedimentation tank is formed by fixedly arranging an inclined pipe inside the tank body, two sewage pipes with one closed ends are arranged above the inclined pipe, a water outlet is formed in the lower side of each sewage pipe, and the other ends of the sewage pipes are communicated with the aerobic tank.

4. The rural sewage integrated treatment equipment of claim 3, wherein: the aeration mechanism is composed of aeration hoses which are arranged at the bottom of the aerobic tank in a staggered mode, and the aeration hoses are communicated with the air pipe through a connecting pipe.

5. The rural sewage integrated treatment equipment of claim 4, wherein: automatic valves and manual valves are arranged on the liquid lifting pipe, the air pipe, the sewage pipe and the connecting pipe at the same time, and the automatic valves are controlled to be on and off through a PLC (programmable logic controller).