CN211111288U - Sewage treatment integrated equipment - Google Patents
Sewage treatment integrated equipment Download PDFInfo
- Publication number
- CN211111288U CN211111288U CN201921685074.8U CN201921685074U CN211111288U CN 211111288 U CN211111288 U CN 211111288U CN 201921685074 U CN201921685074 U CN 201921685074U CN 211111288 U CN211111288 U CN 211111288U
- Authority
- CN
- China
- Prior art keywords
- unit
- nitrification
- denitrification
- pipe
- sewage treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a sewage treatment integrated device, which comprises two relatively independent units of aeration nitrification and denitrification dephosphorization denitrogenation, wherein an aeration device and an MBR membrane group device are arranged in the nitrification unit, and the aeration device comprises a micropore aerator; the nitrification unit is provided with a first inlet and a first outlet; a submersible stirrer, a gas diffusion device and an anti-gravity flow device are arranged in the denitrification unit; the gas diffusion device is used for diffusing nitrogen generated in the denitrification unit, and the self-flowing prevention device is used for preventing the nitrified liquid from flowing into the nitrification unit or the water collection tank due to the siphoning effect; the denitrification unit is provided with a second inlet and a second outlet, and the second inlet is connected with a lift pump through a lift pipe; an infusion pipe group and a reflux pump which are communicated with the nitrification unit and the denitrification unit are arranged between the nitrification unit and the denitrification unit and are used for realizing the circulating treatment of the nitrification liquid. Through using this device to handle sewage, realized the treatment up to standard of total nitrogen and total phosphorus, but wide application in sewage treatment technical field.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically indicates a sewage treatment integrated equipment.
Background
With the rapid development of economy in China, sewage treatment has become a project for the country to mainly set investment, and China is one of the countries with the fastest increase of sewage treatment capacity in a short period. At present, the number of small towns, suburb living areas, vacation villages, villas and the like in China is large, and the distributed type is a new strategic target after the sewage treatment of large and medium cities. Therefore, the dispersed sewage which can not be received by the urban centralized pipe network is treated on site, so that the point source pollution can be effectively controlled, and the sewage can be easily recycled. Compared with a large-scale sewage treatment system, the integrated sewage treatment equipment has the advantages of high treatment efficiency, low energy consumption, small sludge production amount, convenient management, small occupied area and the like. Therefore, the integrated sewage treatment apparatus is widely used in the field of sewage treatment and has irreplaceable advantages in new situations.
The conventional AO + MBR integrated process is generally adopted by the conventional integrated sewage treatment equipment, and due to the structural characteristics of the integrated process, COD and ammonia nitrogen are effectively removed, but the removal effect on total nitrogen and total phosphorus is generally poor, so that the requirement of long-term stable standard can not be met.
Therefore, it is necessary to invent a new integrated sewage treatment apparatus to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a technical scheme does:
an integrated sewage treatment device comprises two relatively independent units of aeration nitrification and denitrification dephosphorization denitrogenation, wherein,
the nitrification unit is used for degrading or adsorbing organic pollutants in the sewage, an aeration device and an MBR (membrane bioreactor) membrane group device are arranged in the nitrification unit, and the aeration device comprises a microporous aerator; the nitrification unit is provided with a first inlet and a first outlet;
the denitrification unit is used for carrying out denitrification reaction on the nitrified liquid conveyed by the nitrification unit, and a submersible stirrer, a gas diffusion device and an anti-gravity flow device are arranged in the denitrification unit;
the gas diffusion device is used for diffusing nitrogen generated in the denitrification unit, and the self-flowing prevention device is used for preventing nitrified liquid to be treated in the denitrification unit from flowing into the nitrification unit and the water collecting tank due to siphoning; the denitrification unit is provided with a second inlet and a second outlet, and the second inlet is connected with a lift pump through a lift pipe;
and an infusion pipe group and a reflux pump which are communicated with the nitrification unit and the denitrification unit are arranged between the nitrification unit and the denitrification unit and are used for realizing the circulating treatment of the nitrified liquid.
Furthermore, an inlet I of the nitrification unit is connected with a liquid medicine box through a pipeline I to realize the timing cleaning of the membrane group device, and an outlet I of the nitrification unit is connected with a water producing pump through a pipeline II to convey the treated clear water reaching the standard to a water outlet groove.
Furthermore, the denitrification unit comprises a tank body, the second inlet and the second outlet are both positioned on the tank body, and the upper part of the tank body is also provided with an exhaust hole; the gas diffusion device is obliquely arranged on the inner wall of the tank body, and is of a plate-shaped structure.
Further, prevent the device that flows automatically including preventing flowing automatically and being located the automatic vent valve who prevents flowing automatically on the pipe, prevent that flowing automatically one end stretches into jar internal, the other end extends to jar external portion, automatic vent valve is located jar external portion.
Furthermore, a lifting pipe on the denitrification unit extends into the tank body, and the anti-gravity flow pipe is connected to a pipe section of the lifting pipe and is communicated with the lifting pipe.
Further, a fan is also arranged in the nitrification unit.
Further, the lift pump is arranged in the water collecting tank and conveys the sewage into the denitrification unit through the lift pipe.
After the structure more than adopting, the utility model has the advantages of as follows:
this device is nitrify the combination of unit and denitrification unit promptly through the mode of unit combination, has solved the short slab that traditional integrated sewage treatment device can not realize total nitrogen and total phosphorus desorption to realized that the sewage treatment effect is stable up to standard.
Drawings
FIG. 1 is a schematic flow diagram of an integrated wastewater treatment plant;
FIG. 2 is an enlarged view of part A of an integrated sewage treatment apparatus.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1-2, the integrated sewage treatment equipment comprises an aeration nitrification unit 1 and a denitrification dephosphorization denitrogenation unit 2, wherein,
the nitrification unit 1 is used for degrading or adsorbing organic pollutants in sewage, an aeration device and an MBR membrane group device 3 are arranged in the nitrification unit 1, and the aeration device comprises a microporous aerator; the nitrification unit 1 is provided with a first inlet 4 and a first outlet 5;
the denitrification unit 2 is used for carrying out denitrification reaction on the nitrified liquid conveyed by the nitrification unit, and a submersible stirrer 6, a gas diffusion device 7 and an anti-gravity flow device 8 are arranged in the denitrification unit 2;
the gas diffusion device 7 is used for diffusing nitrogen generated in the denitrification unit 2, and the anti-gravity flow device 8 is used for preventing nitrified liquid from flowing into the nitrification unit 2 or the water collecting tank 17 due to siphoning; the denitrification unit 2 is provided with a second inlet 9 and a second outlet 10, and the second inlet 9 is connected with a lift pump 12 through a lift pipe 11;
an infusion pipe group and a reflux pump 13 which are communicated with the nitrification unit 1 and the denitrification unit 2 are arranged between the nitrification unit 1 and the denitrification unit 2 and are used for realizing the continuous treatment of sewage.
In specific implementation, the sewage enters the nitrification unit 1 after being lifted by the lifting pump 12. Microorganisms, nitrifying bacteria and phosphorus bacteria in the activated sludge which are propagated in large quantities in the aeration state degrade or adsorb organic pollutants containing carbon, ammonia nitrogen and phosphorus in water, phosphorus accumulating bacteria in the activated sludge absorb phosphorus in large quantities in an aerobic environment, and a microporous aerator is arranged in the nitrification unit 1 and has good oxygen transfer rate.
The nitrified liquid in the nitrifying unit 1 flows back to the denitrification unit 2 through the reflux pump 13, and the nitrate nitrogen and nitrite in the nitrified liquid are subjected to denitrification reaction in a denitrification zone and are converted into N2、CO2、NO2、H2And O and the like, wherein the gas is discharged after passing through the gas diffusion device 7, so that the total nitrogen in the sewage can be further removed, and meanwhile, the phosphorus-accumulating sludge fully releases phosphorus absorbed in an aerobic environment in an anaerobic environment, thereby achieving the purpose of removing phosphorus. In the process, the submersible mixer 6 is coupled to a motor for carryingThe stirring device is moved to operate, so that the stirring process of the sewage is realized.
The aeration device can be realized by adopting a universal aeration device in the prior art.
An inlet I4 of the nitrification unit 1 is connected with a liquid medicine box 14 through a pipeline I to realize the timing cleaning of the membrane group device 3, and an outlet I5 of the nitrification unit 1 is connected with a product water pump through a pipeline II to convey the treated clear water reaching the standard to a water outlet groove 15.
By connecting the liquid medicine box 14, liquid medicine is added into the membrane module device periodically, so that the membrane module device is cleaned.
The denitrification unit 2 comprises a tank body, the inlet II 9 and the outlet II 10 are both positioned on the tank body, and the upper part of the tank body is also provided with an exhaust hole 16; the gas diffusion device 7 is obliquely arranged on the inner wall of the tank body, and the gas diffusion device 7 is of a plate-shaped structure.
In the denitrification process, generated gases such as nitrogen and the like are discharged through the vent holes 16 on the tank body; in order to make the exhaust more sufficient, a plate-shaped gas diffusion device 7 is fixedly connected to the inner wall of the tank, specifically, obliquely connected to the tank, so that the rising gas is sufficiently exhausted.
The gravity flow prevention device 8 comprises a gravity flow prevention pipe 81 and an automatic exhaust valve 82 positioned on the gravity flow prevention pipe 81, one end of the gravity flow prevention pipe 81 extends into the tank body, the other end of the gravity flow prevention pipe extends to the outside of the tank body, and the automatic exhaust valve 82 is positioned outside the tank body.
The lifting pipe 11 on the denitrification unit 2 extends into the tank body, and the anti-gravity flow pipe 81 is connected to the pipe section of the lifting pipe 11 and is communicated with the lifting pipe 11.
A fan is also arranged in the nitrification unit 1.
Specifically, the nitrification unit 1 may be provided as an equipment reaction room in the prior art, and the blower is located in the equipment room and connected to the microporous aerator through a pipeline.
The lift pump 12 is arranged in the water collecting tank 17 and conveys the sewage into the nitrification unit 1 and the denitrification unit 2 respectively through the lift pipe 11.
The water collecting tank 17 is used for realizing the centralized collection of the sewage, and in the specific implementation process, the sewage in the water collecting tank 17 is pumped by the lifting pump 12 to enter the denitrification unit 2, so that the carbon source supply to the denitrification unit 2 is realized.
Claims (7)
1. An integrated sewage treatment device is characterized by comprising two relatively independent units of aeration nitrification and denitrification dephosphorization denitrogenation, wherein,
the nitrification unit is used for degrading or adsorbing organic pollutants in the sewage, an aeration device and an MBR (membrane bioreactor) membrane group device are arranged in the nitrification unit, and the aeration device comprises a microporous aerator; the nitrification unit is provided with a first inlet and a first outlet;
the denitrification unit is used for carrying out denitrification reaction on the nitrified liquid conveyed by the nitrification unit, and a submersible stirrer, a gas diffusion device and an anti-gravity flow device are arranged in the denitrification unit;
the gas diffusion device is used for diffusing nitrogen generated in the denitrification unit, and the self-flowing prevention device is used for preventing nitrified liquid to be treated in the denitrification unit from flowing to the nitrification unit and the outside due to siphoning; the denitrification unit is provided with a second inlet and a second outlet, and the second inlet is connected with a lift pump through a lift pipe;
and an infusion pipe group and a reflux pump which are communicated with the nitrification unit and the denitrification unit are arranged between the nitrification unit and the denitrification unit and are used for realizing the circulating treatment of the nitrified liquid.
2. The integrated sewage treatment equipment according to claim 1, wherein an inlet one of the nitrification unit is connected with a liquid medicine tank through a pipeline one for realizing the timing cleaning of the membrane module; and the first outlet of the nitrification unit is connected with a product water pump through a second pipeline and is used for conveying the treated clean water reaching the standard to a water outlet groove.
3. The integrated sewage treatment device according to claim 1, wherein the denitrification unit comprises a tank body, the second inlet and the second outlet are both positioned on the tank body, and an exhaust hole is further formed in the upper part of the tank body; the gas diffusion device is obliquely arranged on the inner wall of the tank body, and is of a plate-shaped structure.
4. The integrated wastewater treatment apparatus according to claim 1, wherein the gravity flow prevention device comprises a gravity flow prevention pipe and an automatic exhaust valve on the gravity flow prevention pipe; prevent that gravity flow pipe one end stretches into jar internal, and the other end extends to jar external portion, automatic exhaust valve is located jar external portion.
5. The integrated sewage treatment plant of claim 1, wherein the riser pipe of the denitrification unit extends into the tank body, and the gravity flow prevention pipe is connected to a pipe section of the riser pipe and is communicated with the riser pipe.
6. The integrated sewage treatment plant according to claim 2, wherein a fan is further provided in the nitrification unit.
7. The integrated sewage treatment plant according to any one of claims 1 to 6, wherein the lift pump is disposed in the water collection tank and delivers the sewage to the nitrification unit and the denitrification unit through the lift pipe, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685074.8U CN211111288U (en) | 2019-10-10 | 2019-10-10 | Sewage treatment integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685074.8U CN211111288U (en) | 2019-10-10 | 2019-10-10 | Sewage treatment integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211111288U true CN211111288U (en) | 2020-07-28 |
Family
ID=71695361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921685074.8U Active CN211111288U (en) | 2019-10-10 | 2019-10-10 | Sewage treatment integrated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211111288U (en) |
-
2019
- 2019-10-10 CN CN201921685074.8U patent/CN211111288U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104528932B (en) | A kind of advanced treatment of wastewater denitrification bio-filter apparatus system and process technique | |
| CN204939086U (en) | The multi-functional BAF of single-stage | |
| CN101525207A (en) | Integrated pre-denitrification and denitrogenation biological filter sewerage treatment process | |
| CN204897657U (en) | High -efficient nitrogen and phosphorus removal water treatment facilities | |
| CN218910039U (en) | Efficient mud membrane symbiotic denitrification and dephosphorization sewage treatment system | |
| CN203845916U (en) | Integrated wastewater treatment system with gas stripping function | |
| CN103979681A (en) | Nitrification/denitrification integrated rural domestic sewage treatment system | |
| CN108706829B (en) | Integrated nitrogen and phosphorus removal authigenic dynamic membrane sewage treatment device and process | |
| CN203582658U (en) | Multi-stage aeration reclaimed water treatment system for medium and small towns | |
| CN203781915U (en) | Nitrification and denitrification integrated rural domestic sewage treatment system | |
| CN210683343U (en) | Rural domestic sewage MBR integration processing apparatus | |
| CN103073109A (en) | Composite biotrickling filter for nitrogen and phosphorus removal | |
| CN211111288U (en) | Sewage treatment integrated equipment | |
| CN206467036U (en) | Short distance nitration Anammox manifold type denitrification reactor | |
| CN202011812U (en) | Integrated equipment for treating high-concentration organic wastewater | |
| CN210595459U (en) | Integrated sewage treatment equipment | |
| CN115340185A (en) | Integrated sewage treatment equipment and treatment method thereof | |
| CN212127701U (en) | Integrated bio-membrane reactor | |
| CN208361986U (en) | Nitrogen and phosphorus removal bio purifies sewage treatment efficient backflow system | |
| CN210595675U (en) | Small-size integrated glass steel sewage treatment equipment | |
| CN202322494U (en) | Anaerobic and aerobic sewage treatment device | |
| CN206799262U (en) | Sewage treatment unit | |
| CN205328825U (en) | Dispose of sewage and realize regenerating AOOC combination equipment of water | |
| CN110550811A (en) | A 2 O-MBBR sewage treatment plant with strengthen dephosphorization function | |
| CN217418449U (en) | Advanced treatment device for domestic sewage with low carbon-nitrogen ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |