CN207276313U - A kind of sewage treatment oxidation ditch - Google Patents
A kind of sewage treatment oxidation ditch Download PDFInfo
- Publication number
- CN207276313U CN207276313U CN201721040674.XU CN201721040674U CN207276313U CN 207276313 U CN207276313 U CN 207276313U CN 201721040674 U CN201721040674 U CN 201721040674U CN 207276313 U CN207276313 U CN 207276313U
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- Prior art keywords
- partition wall
- pond
- ditch
- aerobic tank
- aeration
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of sewage treatment oxidation ditch, belongs to technical field of sewage, includes the ditch body of oxidation ditch, it is characterized in that：The ditch body is made of the furrow bank of ellipse with the supporter for being arranged on ditch body center, the top of the ditch body is equipped with maintenance gallery, the inner surface of the furrow bank is equipped with some aeration flexible pipes, the aeration flexible pipe is equipped with aerating pore, the first partition wall and the second partition wall are equipped with the ditch body, first partition wall and the second partition wall are ellipsoidal structure, second partition wall is arranged between the first partition wall and supporter, aerobic tank is equipped between first partition wall and furrow bank, anoxic pond is equipped between first partition wall and the second partition wall, anaerobic pond is equipped between second partition wall and supporter.The utility model is designed reasonably, can reduce the floor space of oxidation ditch, effectively improve water treatment efficiency, reduce mechanical energy consumption, sludge output and sludge bulking phenomenon, and easy to operate, easy to maintain.
Description
Technical field
The utility model discloses a kind of sewage treatment oxidation ditch, belongs to technical field of sewage.
Background technology
Oxidation ditch is a kind of active sludge processing system, its aeration tank is in the irrigation canals and ditches type closed, so it is in hydraulic flow state
Upper to be different from traditional activated sludge process, it is a kind of end to end recycle stream aeration irrigation canals and ditches, also known as circulated aeration tank.China
Urban wastewater treatment firm is often high there are design treatment load and the problem of actual influent load is low, in the situation of dissolved oxygen abundance
Lower open easily causes the waste of energy, causes that sewage treatment plant's operating cost is higher, and fat content is higher in part of contaminated water, through turning
Brush oxygenation stirring, produces a large amount of foams, further increases water process energy consumption, and current oxidation ditch only has exteenal reflux, and does not have
Have interior reflux, so in the winter time cold operation when, will be affected for the removal effect of nitrogen.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide for a kind of sewage treatment oxidation ditch,
To solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution to realize：
A kind of sewage treatment oxidation ditch, includes the ditch body of oxidation ditch, it is characterized in that：The ditch body includes the furrow bank of ellipse
With the supporter for being arranged on ditch body center, the top of the ditch body is equipped with maintenance gallery, be equipped with the ditch body the first partition wall and
Second partition wall, first partition wall and the second partition wall are ellipsoidal structure, and second partition wall is arranged on the first partition wall and branch
Between support body, aerobic tank is equipped between first partition wall and furrow bank, is equipped with and lacks between first partition wall and the second partition wall
Oxygen pond, is equipped with anaerobic pond between second partition wall and supporter, and the first aeration zone, the second aeration are equipped with the aerobic tank
Area and the 3rd aeration zone, first aeration zone are internally provided with membrane bioreactor and aeration turn plate, second aeration zone
Be internally provided with some micro-hole aerators, the water surface of the 3rd aeration zone is equipped with artificial ecology floating bed and anti-foaming agent launches dress
To put, the artificial ecology floating bed is made of some plant floating bed units, and some biologic packing material filter screens are equipped with the anaerobic pond,
The inside of the biologic packing material filter screen is filled with anaerobic organism filler, and the outside of the ditch body is equipped with mud-water separation pond, described
Mud-water separation pond is internally provided with device for separating mud and water, is connected between the mud-water separation pond and aerobic tank by pipeline.
As preferred：The inner surface of the furrow bank is equipped with some aeration flexible pipes, and the aeration flexible pipe is equipped with some exposures
Gas micropore.
As preferred：The inside of the aerobic tank and anoxic pond is equipped with some propellers.
As preferred：The inside of the aerobic tank, anoxic pond and anaerobic pond is equipped with dissolved oxygen sensor.
As preferred：The inside of the aerobic tank, anoxic pond and anaerobic pond is equipped with liquid level gauge.
The beneficial effects of the utility model：
1. the device is in the specific implementation, sewage is discharged into anaerobic pond, in anaerobism existing for no dissolved oxygen and nitrate nitrogen
Under the conditions of, the organic matter in sewage is decomposed by anaerobic bacteria, is metabolized, digested so that and the content of organics in sewage is greatly decreased,
And some biologic packing material filter screens are equipped with anaerobic pond, net structure can increase the contact area of water body and anaerobic bacteria, and increase is detested
Oxygen treatment effeciency；Sewage enters anoxic pond after anaerobic pond, and the denitrifying bacteria in anoxic pond passes through nitrate and organic matter
Denitrification removes, so as to reach denitrogenation and remove the dual purpose of COD；Sewage enters aerobic tank, sewage after anoxic pond
The circular treatment between the first aeration zone, the second aeration zone and the 3rd aeration zone, by aerobic bacteria by oxidation operation in sewage
Relatively stable inorganic matter is resolved into, the water surface of the 3rd aeration zone is equipped with artificial ecology floating bed, using water plant to nitrogen, phosphorus etc.
Element carries out absorption point, and the root system of plant has huge specific surface area, and good load is provided for the microorganism in water body
Body, plays the role of biofilm carrier, can be good at adsorbing suspended material, and root system of plant can also be enriched with water
A series of heavy metal element and organic pollution in body, achieve the purpose that purification of water quality；Last sewage enters mud-water separation
Pond, further diverges from the sludge impurity in sewage.
2. by setting dissolved oxygen sensor inside aerobic tank, dissolved oxygen sensor can detect the dissolving in water in real time
Oxygen；When the dissolved oxygen in water is within setting range, aeration turn plate and micro-hole aerator are stopped；When the dissolved oxygen in water
During less than setting value, aeration turn plate and micro-hole aerator are started to work, and improve the dissolved oxygen content in aerobic tank.
3. by setting anti-foaming agent delivery device, anti-foaming agent delivery device can launch anti-foaming agent in sewage, go to decontaminate
Offscum in water, and the generation of foam in sewage disposal process is controlled, sewage disposal difficulty is greatly reduced, reduces energy
Consumption, and effluent quality is not interfered with, normal management and operation easy to sewage treatment plant.
Brief description of the drawings
Fig. 1 is a kind of sewage treatment oxidation ditch structure diagram of the utility model.
Reference numeral：1st, furrow bank；2nd, supporter；3rd, the first partition wall；4th, the second partition wall；5th, aerobic tank；6th, anoxic pond； 7、
Anaerobic pond；8th, the first aeration zone；9th, the second aeration zone；10th, the 3rd aeration zone；11st, aeration turn plate；12nd, membrane bioreactor；
13rd, micro-hole aerator；14th, plant floating bed unit；15th, anti-foaming agent delivery device；16th, gallery is overhauled；17th, mud-water separation pond；18、
Device for separating mud and water；19th, pipeline；20th, propeller；21st, biologic packing material filter screen.
Embodiment
A kind of sewage treatment oxidation ditch of the utility model is described further with reference to Fig. 1.
A kind of sewage treatment oxidation ditch, includes the ditch body of oxidation ditch, it is characterized in that：The ditch body includes the furrow bank of ellipse
1 and be arranged on the supporter 2 at ditch body center, the top of the ditch body is equipped with maintenance gallery 16, be equipped with the ditch body 1 first every
3 and second partition wall 4 of wall, 3 and second partition wall 4 of the first partition wall is ellipsoidal structure, and second partition wall 4 is arranged on first
Between partition wall 3 and supporter 2, aerobic tank 5 is equipped between first partition wall 3 and furrow bank 1, in first partition wall 3 and second
Anoxic pond 6 is equipped between partition wall 4, anaerobic pond 7 is equipped between second partition wall 4 and supporter 2, is set in the aerobic tank 5
There are the first aeration zone 8, the second aeration zone 9 and the 3rd aeration zone 10, first aeration zone 8 is internally provided with membrane bioreactor
12 and aeration turn plate 11, second aeration zone 9 be internally provided with some micro-hole aerators 13, the water of the 3rd aeration zone 10
Face is equipped with artificial ecology floating bed and anti-foaming agent delivery device 15, and the artificial ecology floating bed is by some plant floating bed 14 groups of units
Into the anaerobic pond 7 is interior to be equipped with some biologic packing material filter screens 21, and the inside of the biologic packing material filter screen 21 is filled with anaerobism
Biologic packing material, the outside of the ditch body are equipped with mud-water separation pond 17, and the mud-water separation pond 17 is internally provided with mud-water separation dress
18 are put, is connected between the mud-water separation pond 17 and aerobic tank 5 by pipeline 19.
The inner surface of the furrow bank 1 is equipped with some aeration flexible pipes, and the aeration flexible pipe is equipped with some aerating pores.
The inside of the aerobic tank 5 and anoxic pond 6 is equipped with some propellers 20.The aerobic tank 5, anoxic pond 6 and detest
The inside in oxygen pond 7 is equipped with dissolved oxygen sensor.The inside of the aerobic tank 5, anoxic pond 6 and anaerobic pond 7 is equipped with liquid level gauge.
The device is discharged into anaerobic pond 7 in the specific implementation, by sewage, in anaerobism bar existing for no dissolved oxygen and nitrate nitrogen
Under part, the organic matter in sewage is decomposed by anaerobic bacteria, is metabolized, digested so that and the content of organics in sewage is greatly decreased, and
Some biologic packing material filter screens 21 are equipped with anaerobic pond 7, net structure can increase the contact area of water body and anaerobic bacteria, and increase is detested
Oxygen treatment effeciency；Sewage enters anoxic pond 6 after anaerobic pond 7, and the denitrifying bacteria in anoxic pond 6 leads to nitrate and organic matter
Denitrification removing is crossed, so as to reach denitrogenation and remove the dual purpose of COD；Sewage enters aerobic tank 5 after anoxic pond 6,
Sewage circular treatment between the first aeration zone 8, the second aeration zone 9 and the 3rd aeration zone 10, will have by aerobic bacteria in sewage
Machine thing oxygenolysis is equipped with artificial ecology floating bed, utilizes aquatic plant into relatively stable inorganic matter, the water surface of the 3rd aeration zone 10
Thing carries out the elements such as nitrogen, phosphorus absorption point, and the root system of plant has huge specific surface area, is that the microorganism in water body carries
For good carrier, play the role of biofilm carrier, can be good at adsorbing suspended material, and root system of plant is also
The a series of heavy metal element and organic pollution that can be enriched with water body, achieve the purpose that purification of water quality；Last sewage into
Enter mud-water separation pond 17, the sludge impurity in sewage is further diverged from.
By setting dissolved oxygen sensor inside aerobic tank 5, dissolved oxygen sensor can detect the dissolved oxygen in water in real time；
When the dissolved oxygen in water is within setting range, aeration turn plate 11 and micro-hole aerator 13 are stopped；When the dissolving in water
When oxygen is less than setting value, aeration turn plate 11 and micro-hole aerator 13 are started to work, and improve the dissolved oxygen content in aerobic tank.
By setting anti-foaming agent delivery device 15, anti-foaming agent delivery device 15 can launch anti-foaming agent in sewage, remove
Offscum in sewage, and the generation of foam in sewage disposal process is controlled, sewage disposal difficulty is greatly reduced, reduces energy
Consumption, and do not interfere with effluent quality, normal management and operation easy to sewage treatment plant.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of sewage treatment oxidation ditch, includes the ditch body of oxidation ditch, it is characterized in that：The ditch body include ellipse furrow bank and
It is arranged on the supporter at ditch body center, the top of the ditch body is equipped with maintenance gallery, and the first partition wall and the are equipped with the ditch body
Two partition walls, first partition wall and the second partition wall are ellipsoidal structure, and second partition wall is arranged on the first partition wall and support
Between body, aerobic tank is equipped between first partition wall and furrow bank, anoxic is equipped between first partition wall and the second partition wall
Pond, anaerobic pond is equipped between second partition wall and supporter, the first aeration zone, the second aeration zone are equipped with the aerobic tank
With the 3rd aeration zone, first aeration zone is internally provided with membrane bioreactor and aeration turn plate, second aeration zone
Some micro-hole aerators are internally provided with, the water surface of the 3rd aeration zone is equipped with artificial ecology floating bed and anti-foaming agent launches dress
To put, the artificial ecology floating bed is made of some plant floating bed units, and some biologic packing material filter screens are equipped with the anaerobic pond,
The inside of the biologic packing material filter screen is filled with anaerobic organism filler, and the outside of the ditch body is equipped with mud-water separation pond, described
Mud-water separation pond is internally provided with device for separating mud and water, is connected between the mud-water separation pond and aerobic tank by pipeline.
2. a kind of sewage treatment oxidation ditch according to claim 1, it is characterized in that：If the inner surface of the furrow bank is equipped with
Dry aeration flexible pipe, the aeration flexible pipe are equipped with some aerating pores.
3. a kind of sewage treatment oxidation ditch according to claim 1, it is characterized in that：The inside of the aerobic tank and anoxic pond
It is equipped with some propellers.
4. a kind of sewage treatment oxidation ditch according to claim 1, it is characterized in that：The aerobic tank, anoxic pond and anaerobism
The inside in pond is equipped with dissolved oxygen sensor.
5. a kind of sewage treatment oxidation ditch according to claim 1, it is characterized in that：The aerobic tank, anoxic pond and anaerobism
The inside in pond is equipped with liquid level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040674.XU CN207276313U (en) | 2017-08-19 | 2017-08-19 | A kind of sewage treatment oxidation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040674.XU CN207276313U (en) | 2017-08-19 | 2017-08-19 | A kind of sewage treatment oxidation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207276313U true CN207276313U (en) | 2018-04-27 |
Family
ID=61983424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721040674.XU Expired - Fee Related CN207276313U (en) | 2017-08-19 | 2017-08-19 | A kind of sewage treatment oxidation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207276313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386668A (en) * | 2019-09-04 | 2019-10-29 | 山东和正环保工程有限公司 | A kind of economic benefits and social benefits denitrification dephosphorization apparatus |
| CN111170562A (en) * | 2020-01-10 | 2020-05-19 | 华北水利水电大学 | Water purification device and purification method for coping with point source water pollution |
-
2017
- 2017-08-19 CN CN201721040674.XU patent/CN207276313U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386668A (en) * | 2019-09-04 | 2019-10-29 | 山东和正环保工程有限公司 | A kind of economic benefits and social benefits denitrification dephosphorization apparatus |
| CN111170562A (en) * | 2020-01-10 | 2020-05-19 | 华北水利水电大学 | Water purification device and purification method for coping with point source water pollution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20190819 |