CN208500688U - A kind of preposition A2O underground type small-sized sewage disposal device of anoxic - Google Patents
A kind of preposition A2O underground type small-sized sewage disposal device of anoxic Download PDFInfo
- Publication number
- CN208500688U CN208500688U CN201820944292.8U CN201820944292U CN208500688U CN 208500688 U CN208500688 U CN 208500688U CN 201820944292 U CN201820944292 U CN 201820944292U CN 208500688 U CN208500688 U CN 208500688U
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- China
- Prior art keywords
- anoxic
- pond
- secondary settling
- settling tank
- preposition
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- 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.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000010992 reflux Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 14
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 238000006396 nitration reaction Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to technical field of sewage, more particularly to a kind of preposition A2O underground type small-sized sewage disposal device of anoxic, including apparatus casing, it is characterized in that, the apparatus casing left end is equipped with water inlet pipe, and anoxic pond, anaerobic pond, aerobic tank and secondary settling tank are from left to right successively arranged inside the apparatus casing, is equipped with anaerobic filter bed filler inside the anaerobic pond, the aerobic bottom of pond portion is equipped with aerating system and sponge filler, and the right side wall of the secondary settling tank is fixed with water outlet weir notch；Water hole is offered between the anoxic pond and the anaerobic pond, the anaerobic pond and the aerobic tank, the aerobic tank and the secondary settling tank；Stripping reflux pipeline is equipped between the secondary settling tank water inlet and the anoxic pond water inlet, the apparatus casing right end is equipped with outlet pipe；The utility model solves less suitable for the small sewage treatment equipment of single household, and technology is immature, water quality treatment mostly problem not up to standard.
Description
Technical field
The utility model relates to technical field of sewage, and in particular to a kind of preposition A2O underground type small-sized sewage of anoxic
Processing equipment.
Background technique
As country increasingly payes attention to efforts at environmental protection, waste water control is the wherein most important thing again, more and more areas
Waste water control work is unfolded, and the waste water control of the vast rural areas is a problem, distribution is wide, regional disparity is big, sewage
Water quality and quantity fluctuation is big；Pipe network is unsound, and collection rate is low；Pipeline network construction difficulty is big, investment cost is high in addition some areas because
Terrain reason, pipeline can not be laid with；A2O method is also known as AAO method, is a kind of common sewage treatment process, can be used for second level
Sewage treatment or three-level sewage treatment and Treated sewage reusing have good Nitrogen/Phosphorus Removal.The method is 70 years 20th century
In generation, is developed on the basis of AO method denitrification process by some experts in the U.S..
Sewage disposal device currently on the market mainly stresses as centralized processing, and treating capacity is mostly 5t/d or more, volume compared with
Greatly, less and technology is immature for handling the small sewage treatment equipment of single household, water quality treatment is not mostly up to standard.
Utility model content
The technical issues of solution
For disadvantages mentioned above present in the prior art, it is buried small that the utility model provides a kind of preposition A2O of anoxic
Type sewage disposal device, can efficiently solve it is less suitable for the small sewage treatment equipment of single household, and technology it is immature, processing
Water quality problem mostly not up to standard.
Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of preposition AO underground type small-sized sewage disposal device of anoxic, including apparatus casing, the apparatus casing left end are set
There is water inlet pipe, anoxic pond, anaerobic pond, aerobic tank and secondary settling tank are from left to right successively arranged inside the apparatus casing, it is described to detest
Anaerobic filter bed filler is equipped with inside oxygen pond, the aerobic bottom of pond portion is equipped with aerating system and sponge filler, the right side of the secondary settling tank
Side wall is fixed with water outlet weir notch；The anoxic pond and the anaerobic pond, the anaerobic pond and the aerobic tank, the aerobic tank with
Water hole is offered between the secondary settling tank；It is returned between the secondary settling tank water inlet and the anoxic pond water inlet equipped with air lift
Flow tube road, the apparatus casing right end are equipped with outlet pipe.
Further, the water inlet pipe is connected with the anoxic pond, and the end of the water inlet pipe is equipped with compartment.
Further, it is connected inside the outlet pipe and the water outlet weir notch.
Further, the water hole opened up between the anoxic pond and the anaerobic pond is located at low level, the institute
It states the water hole opened up between anaerobic pond and the aerobic tank and is located at a high position, opened between the aerobic tank and the secondary settling tank
If the water hole be located at low level.
Further, the apparatus casing is buried carbon steel structure, inside and outside to be all made of anti-corrosion anti-rust material.
Further, be connected in the middle part of the stripping reflux pipeline with airlift pump, stripping reflux pipeline one end and
The compartment is connected, the stripping reflux pipeline other end setting and the secondary settling tank bottom.
Beneficial effect
It is had the following beneficial effects: compared with known publicly-owned technology using technical solution provided by the utility model
1, the utility model is positioned at small sewage treatment equipment, and treating capacity is 0.6-5 tpds, and it is separate to be suitable for those
The single household of concentration zones or two or three family share an equipment, can discharge on the spot, construction is simple, save pipe network investment.
2, the utility model uses preposition anoxic A2O technique, and increases anoxic pool volume, so that anti-nitration reaction carries out
It is thorough, denitrification effect is more preferable, while the long residence time of anoxic section consumes whole oxygen so that the water of anaerobism section be in height
Anaerobic state, phosphor-removing effect are reinforced.
3, the utility model uses anaerobic filter bed filler in anaerobism section, and intakes from bottom, and top discharges water to aerobic tank, no
Only adhere to conducive to the growth of anaerobic bacteria, and play the role of retention filtering, further decreases suspension content；What aerobic tank was launched
Sponge filler is new packing, and mobility is strong, is sufficiently mixed sewage, is easy to adhere to various microorganisms, synchronizes and carries out nitrifying anti-nitre
Change reaction；Secondary settling tank internal liquid is abundant with water inlet by stripping reflux pipeline and air lift pump reflux to anoxic pond front end compartment
Mixing efficiently carries out anti-nitration reaction using carbon source, and flows back and use stripping reflux, and operation energy consumption is low.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or it is required in description of the prior art；Attached drawing to be used is briefly described.It should be evident that the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the internal plane structural schematic diagram of the utility model.
Fig. 2 is the facade schematic diagram of internal structure of the utility model.
Label in figure respectively represents: 1- apparatus casing；2- anoxic pond；3- anaerobic pond；4- aerobic tank；5- secondary settling tank；6-
Water inlet pipe；7- compartment；8- outlet pipe；9- is discharged weir notch；10- anaerobic filter bed filler；11- sponge filler；12- water hole；13- exposes
Gas system；14- stripping reflux pipeline；15- airlift pump.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Below with reference to embodiment, the utility model will be further described.
Embodiment
A kind of preposition A2O underground type small-sized sewage disposal device of anoxic of the present embodiment, including apparatus casing 1, equipment shell
1 left end of body is equipped with water inlet pipe 6, and it is heavy that anoxic pond 2, anaerobic pond 3, aerobic tank 4 and two are from left to right successively arranged inside apparatus casing 1
Pond 5 is equipped with anaerobic filter bed filler 10 inside anaerobic pond 3, and 4 bottom of aerobic tank is equipped with aerating system 13 and sponge filler 11, and two is heavy
The right side wall in pond 5 is fixed with water outlet weir notch 9；Anoxic pond 2 and anaerobic pond 3, anaerobic pond 3 and aerobic tank 4, aerobic tank 4 and secondary settling tank 5
Between offer water hole 12；Stripping reflux pipeline 14, equipment are equipped between 2 water inlet of 5 water inlet of secondary settling tank and anoxic pond
1 right end of shell is equipped with outlet pipe 8；Water inlet pipe 6 is connected with anoxic pond 2, and the end of water inlet pipe 6 is equipped with compartment 7；Outlet pipe
8 with water outlet weir notch 9 inside be connected；The water hole 12 opened up between anoxic pond 2 and anaerobic pond 3 is located at low level, anaerobic pond 3 with it is good
The water hole 12 opened up between oxygen pond 4 is located at a high position, and the water hole 12 opened up between aerobic tank 4 and secondary settling tank 5 is located at low level；If
Standby shell 1 is buried carbon steel structure, inside and outside to be all made of anti-corrosion anti-rust material；14 middle part of stripping reflux pipeline and 15 phase of airlift pump
Connection, 14 one end of stripping reflux pipeline are connected with compartment 7, the setting of 14 other end of stripping reflux pipeline and 5 bottom of secondary settling tank.
A kind of preposition A2O underground type small-sized sewage disposal device of anoxic of the present embodiment when in use, first accesses sewage
The water inlet pipe 6 of 1 left end of apparatus casing, sewage is then in turn through anoxic pond 2, the purification of anaerobic pond 3, aerobic tank 4 and secondary settling tank 5
It handles, the sewage after final process enters 9 inside of water outlet weir notch and flowed out by outlet pipe 8；The utility model uses preposition anoxic
A2O technique, and 2 volume of anoxic pond is increased, so that anti-nitration reaction progress is thorough, denitrification effect is more preferable, while anoxic section
Long residence time consume whole oxygen so that the water of anaerobism section is in high anaerobic state, phosphor-removing effect is reinforced；In anaerobism section
It intaking using anaerobic filter bed filler 10, and from bottom, top discharges water to aerobic tank 4, not only adheres to conducive to the growth of anaerobic bacteria, and
Play the role of retention filtering, further decreases suspension content；The sponge filler 11 that aerobic tank 4 is launched is new packing, stream
Dynamic property is strong, is sufficiently mixed sewage, is easy to adhere to various microorganisms, synchronous to carry out nitration denitrification reaction；5 internal liquid of secondary settling tank
It is back to 2 front end compartment 7 of anoxic pond by stripping reflux pipeline 14 and airlift pump 15, is sufficiently mixed with water inlet, carbon is efficiently utilized
Source carries out anti-nitration reaction, and flows back and use stripping reflux, and operation energy consumption is low.
The utility model is positioned at small sewage treatment equipment, and treating capacity is 0.6-5 tpds, is suitable for those far from collection
The single household in middle area or two or three family share an equipment, can discharge on the spot, construction is simple, save pipe network investment.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modify or replace, can't make corresponding technical solution essence be detached from various embodiments of the utility model technical solution spirit and
Range.
Claims (6)
1. a kind of preposition A2O underground type small-sized sewage disposal device of anoxic, including apparatus casing (1), which is characterized in that described to set
Standby shell (1) left end is equipped with water inlet pipe (6), is from left to right successively arranged anoxic pond (2), anaerobism inside the apparatus casing (1)
Pond (3), aerobic tank (4) and secondary settling tank (5), the anaerobic pond (3) is internal to be equipped with anaerobic filter bed filler (10), the aerobic tank
(4) bottom is equipped with aerating system (13) and sponge filler (11), and the right side wall of the secondary settling tank (5) is fixed with water outlet weir notch (9)；
The anoxic pond (2) and the anaerobic pond (3), the anaerobic pond (3) and the aerobic tank (4), the aerobic tank (4) with it is described
Water hole (12) are offered between secondary settling tank (5)；Between secondary settling tank (5) water inlet and the anoxic pond (2) water inlet
Equipped with stripping reflux pipeline (14), apparatus casing (1) right end is equipped with outlet pipe (8).
2. the preposition A2O underground type small-sized sewage disposal device of a kind of anoxic according to claim 1, which is characterized in that institute
It states water inlet pipe (6) to be connected with the anoxic pond (2), the end of the water inlet pipe (6) is equipped with compartment (7).
3. the preposition A2O underground type small-sized sewage disposal device of a kind of anoxic according to claim 1, which is characterized in that institute
It states and is connected inside outlet pipe (8) and the water outlet weir notch (9).
4. the preposition A2O underground type small-sized sewage disposal device of a kind of anoxic according to claim 1, which is characterized in that institute
It states the water hole (12) opened up between anoxic pond (2) and the anaerobic pond (3) and is located at low level, the anaerobic pond (3) and institute
It states the water hole (12) opened up between aerobic tank (4) and is located at a high position, between the aerobic tank (4) and the secondary settling tank (5)
The water hole (12) opened up is located at low level.
5. the preposition A2O underground type small-sized sewage disposal device of a kind of anoxic according to claim 1, which is characterized in that institute
Stating apparatus casing (1) is buried carbon steel structure, inside and outside to be all made of anti-corrosion anti-rust material.
6. the preposition A2O underground type small-sized sewage disposal device of a kind of anoxic according to claim 2, which is characterized in that institute
It states and is connected in the middle part of stripping reflux pipeline (14) with airlift pump (15), described stripping reflux pipeline (14) one end and the compartment
(7) it is connected, stripping reflux pipeline (14) other end setting and the secondary settling tank (5) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944292.8U CN208500688U (en) | 2018-06-19 | 2018-06-19 | A kind of preposition A2O underground type small-sized sewage disposal device of anoxic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944292.8U CN208500688U (en) | 2018-06-19 | 2018-06-19 | A kind of preposition A2O underground type small-sized sewage disposal device of anoxic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208500688U true CN208500688U (en) | 2019-02-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820944292.8U Expired - Fee Related CN208500688U (en) | 2018-06-19 | 2018-06-19 | A kind of preposition A2O underground type small-sized sewage disposal device of anoxic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208500688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816566A (en) * | 2021-10-12 | 2021-12-21 | 四川海天环保能源有限公司 | Urban sewage A2O-MBR combined nitrogen and phosphorus removal system |
| CN114684919A (en) * | 2022-05-13 | 2022-07-01 | 天瑞环境科技（仙桃）有限公司 | Sewage treatment method and device |
-
2018
- 2018-06-19 CN CN201820944292.8U patent/CN208500688U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816566A (en) * | 2021-10-12 | 2021-12-21 | 四川海天环保能源有限公司 | Urban sewage A2O-MBR combined nitrogen and phosphorus removal system |
| CN113816566B (en) * | 2021-10-12 | 2023-06-13 | 四川海天环保能源有限公司 | Urban sewage A 2 O-MBR combined denitrification and dephosphorization system |
| CN114684919A (en) * | 2022-05-13 | 2022-07-01 | 天瑞环境科技（仙桃）有限公司 | Sewage treatment method and device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |