CN210711139U

CN210711139U - Synchronous nitrogen and phosphorus removal integrated sewage treatment equipment

Info

Publication number: CN210711139U
Application number: CN201921128269.2U
Authority: CN
Inventors: 赵振胜
Original assignee: Weifang Zeyu Environmental Protection Equipment Co Ltd
Current assignee: Weifang Zeyu Environmental Protection Equipment Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-06-09
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a synchronous denitrification and dephosphorization integrated sewage treatment device, which comprises a treatment device, wherein the treatment device is provided with an anaerobic tank, an anoxic tank, a contact oxidation tank, a secondary sedimentation tank and a disinfection tank from left to right in sequence, the side end of the disinfection tank is provided with a sludge tank, one side of the top of the anaerobic tank is provided with a water inlet, the inside of the anaerobic tank is provided with a water distribution pipe, the anoxic tank and the top of the contact oxidation tank are provided with air pipes, the anoxic tank and the contact oxidation tank are internally provided with air distribution pipes, the air distribution pipes are communicated with the air pipes, the secondary sedimentation tank is internally provided with a central flow guide pipe, the inner wall of one side of the disinfection tank is provided with a nitrogen adding pipe, one side of the disinfection tank is provided with a water outlet, the utility model discloses a synchronous denitrification and dephosphorization integrated sewage treatment device is provided with the anaerobic tank, the anoxic tank, reasonable structure and good treatment effect.

Description

Synchronous nitrogen and phosphorus removal integrated sewage treatment equipment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a synchronous nitrogen and phosphorus removal integrated sewage treatment device.

Background

Sewage treatment: the sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment also increasingly enters the daily life of common people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synchronous nitrogen and phosphorus removal integration sewage treatment device possesses synchronous nitrogen and phosphorus removal effect, and is rational in infrastructure, and the treatment effect is good.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a synchronous nitrogen and phosphorus removal integration sewage treatment device, includes treatment facility, treatment facility turns right from a left side and has set gradually anaerobism pond, oxygen deficiency pond, catalytic oxidation pond, two heavy ponds and disinfection pond, disinfection pond side end is provided with the sludge impoundment, anaerobism top of the pool one side is provided with the water inlet, anaerobism internally mounted of the pond has the water distributor, the oxygen deficiency pond with the catalytic oxidation pond top is provided with the air hose, the oxygen deficiency pond with the inside gas distribution pipe that all installs of catalytic oxidation pond, the gas distribution pipe with air hose UNICOM, two heavy pond internally mounted have central honeycomb ducts, disinfection pond one side inner wall is installed and is added the nitrogen pipe, disinfection pond one side installs the delivery port.

Preferably, biological fillers are arranged inside the anaerobic tank, the anoxic tank and the contact oxidation tank.

Preferably, an aeration head is arranged on the air distribution pipe in the contact oxidation pond.

Preferably, overflow weirs are arranged on one sides of the contact oxidation tank and the secondary sedimentation tank.

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

the utility model discloses a set up the anaerobism pond on treatment facility, the oxygen deficiency pond, the contact oxidation pond, two heavy ponds, disinfection pond and sludge impoundment, sewage and backward flow mud get into the anaerobism pond and mix completely earlier, anaerobism decomposition through the certain time, get rid of partial BOD, make partial nitrogen compounds convert into N2 and release, the phosphorus microorganism of gathering in the backward flow mud releases phosphorus, satisfy the demand of bacterium to phosphorus, then sewage flows into the oxygen deficiency pond, denitrifying bacteria in the pond uses the carbonaceous organic matter that does not decompose in the sewage as the carbon source, the nitrate that comes in through the internal circulation backward flow in the contact oxidation pond reduces to N2 and releases. Then the sewage flows into a contact oxidation pond), NH3-N in the water is subjected to nitration reaction to generate nitrate radicals, meanwhile, organic matters in the water are oxidized and decomposed to supply energy to phosphorus-absorbing microorganisms, the microorganisms absorb phosphorus from the water, the phosphorus enters cell tissues and is enriched in the microorganisms, and the phosphorus-rich sludge is discharged from the system after precipitation and separation.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a top view of the present invention.

In the figure: 1. an anaerobic tank; 2. an anoxic tank; 3. a contact oxidation pond; 4. a secondary sedimentation tank; 5. a disinfection tank; 6. a sludge tank; 7. a water inlet; 8. biological fillers; 9. a manhole; 10. an air tube; 11. an aeration head; 12. an overflow weir; 13. a central draft tube; 14. a nitrogen adding pipe; 15. a water outlet; 16. a water distribution pipe; 17. an air distribution pipe.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a synchronous nitrogen and phosphorus removal integration sewage treatment device, includes treatment facility, treatment facility turns right from a left side and has set gradually anaerobism pond 1, oxygen deficiency pond 2, catalytic oxidation pond 3, two heavy ponds 4 and

disinfection pond

5, 5 sides in disinfection pond are provided with

sludge impoundment

6, 1 top one side in anaerobism pond is provided with water inlet 7, 1 internally mounted in anaerobism pond has water distributor 16, oxygen deficiency pond 2 with 3 tops in catalytic oxidation pond are provided with air pipe 10, oxygen deficiency pond 2 with 3 inside gas distribution pipes 17 of all installing in catalytic oxidation pond, gas distribution pipes 17 with air pipe 10 UNICOM, 4 internally mounted in two heavy ponds have

central honeycomb duct

13, 5 one side inner walls in disinfection pond are installed with

nitrogen pipe

14, 5 one side in disinfection pond is installed delivery port 15.

And biological fillers 8 are arranged in the anaerobic tank 1, the anoxic tank 2 and the contact oxidation tank 3. An aeration head 11 is arranged on an air distribution pipe 17 in the contact oxidation pond 3. And overflow weirs 12 are arranged on one sides of the contact oxidation pond 3 and the secondary sedimentation pond 4.

Specifically, the method comprises the following steps: when the anaerobic tank is used, firstly, sewage and return sludge enter the anaerobic tank 1 to be completely mixed, part of BOD is removed through anaerobic decomposition for a certain time, part of nitrogen-containing compounds are converted into N2 and released, phosphorus is released by phosphorus accumulating microorganisms in the return sludge to meet the requirement of bacteria on phosphorus, then the sewage flows into the anoxic tank 2, and denitrifying bacteria in the tank reduce nitrate radical which flows in through internal circulation in the contact oxidation tank into N2 by using carbon-containing organic matters which are not decomposed in the sewage as a carbon source, and then the nitrate radical is released. Then the sewage flows into the contact oxidation pond 3, NH3-N in the water is subjected to nitration reaction to generate nitrate radicals, meanwhile, organic matters in the water are oxidized and decomposed to supply energy to phosphorus-absorbing microorganisms, the microorganisms absorb phosphorus from the water, the phosphorus enters cell tissues and is enriched in the microorganisms, and the phosphorus-rich sludge is discharged from the system after precipitation and separation.

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 a synchronous nitrogen and phosphorus removal integration sewage treatment device, includes treatment facility, its characterized in that: the treatment equipment is provided with an anaerobic tank (1), an anoxic tank (2), a contact oxidation tank (3), a secondary sedimentation tank (4) and a disinfection tank (5) from left to right in sequence, a sludge tank (6) is arranged at the side end of the disinfection tank (5), a water inlet (7) is arranged at one side of the top of the anaerobic tank (1), a water distribution pipe (16) is arranged in the anaerobic tank (1), an air pipe (10) is arranged at the top of the anoxic tank (2) and the contact oxidation tank (3), the inside of the anoxic tank (2) and the contact oxidation tank (3) are both provided with air distribution pipes (17), the air distribution pipe (17) is communicated with the air pipe (10), a central guide pipe (13) is arranged in the secondary sedimentation tank (4), the nitrogen adding pipe (14) is installed to disinfection pond (5) one side inner wall, delivery port (15) are installed to disinfection pond (5) one side.

2. The integrated sewage treatment equipment for simultaneous denitrification and dephosphorization according to claim 1, wherein: biological fillers (8) are arranged in the anaerobic tank (1), the anoxic tank (2) and the contact oxidation tank (3).

3. The integrated sewage treatment equipment for simultaneous denitrification and dephosphorization according to claim 1, wherein: an aeration head (11) is arranged on an air distribution pipe (17) in the contact oxidation tank (3).

4. The integrated sewage treatment equipment for simultaneous denitrification and dephosphorization according to claim 1, wherein: and overflow weirs (12) are arranged on one sides of the contact oxidation tank (3) and the secondary sedimentation tank (4).