CN208454618U - A kind of integrated A/O pre-denitrification and denitrogenation biochemical tower - Google Patents
A kind of integrated A/O pre-denitrification and denitrogenation biochemical tower Download PDFInfo
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- CN208454618U CN208454618U CN201820682925.2U CN201820682925U CN208454618U CN 208454618 U CN208454618 U CN 208454618U CN 201820682925 U CN201820682925 U CN 201820682925U CN 208454618 U CN208454618 U CN 208454618U
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- reactor zone
- aerobic reactor
- denitrification
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Abstract
The utility model provides a kind of integrated A/O pre-denitrification and denitrogenation biochemical tower, including tower body, and tower body is interior to be divided transversely into hypoxia response area and aerobic reactor zone by liquid distribution trough, is respectively arranged with filler in hypoxia response area and aerobic reactor zone；In tower body, aerobic reactor zone lower section, it is disposed with water distribution pipe, reflux water distributor and sludge pipe from top to bottom；Air diffusion aerator is provided between aerobic reactor zone and liquid distribution trough, air diffusion aerator is connected in the tower body with aeration distributor pipe, is provided with gas sampling cover above aerobic reactor zone, and gas sampling cover top is connected to flue gas leading；It is provided with overflow launder on side wall between gas sampling cover and aerobic reactor zone, nitrification liquid outlet is provided with below overflow launder, nitrification liquid outlet is connected to reflux water distributor by reflux pump.Integrated A/O pre-denitrification and denitrogenation biochemical tower energy high efficient and flexible realization carbon drop denitrogenation requirement, realizes energy-saving and emission-reduction, saves land occupation, while operational safety is stablized.
Description
Technical field
The utility model relates to biochemical wastewater treatment technology more particularly to a kind of integrated A/O pre-denitrification and denitrogenation are raw
Change tower.
Background technique
In sewage treatment biochemical method, A/O pre-denitrification and denitrogenation is common biochemical denitrification technique.And it is domestic at present normal
The horizontal pulling flow type A/O Prepositive denitrification pond of rule is in the prevalence of taking up a large area, secondary pollution problems.Therefore how to carry out
Energy-efficient biochemical denitrification processing is an extremely urgent problem.
Utility model content
The purpose of this utility model is that for current flat-pushing streaming A/O Prepositive denitrification pond in the prevalence of land occupation face
The problem of product is big, secondary pollution, proposes a kind of integrated A/O pre-denitrification and denitrogenation biochemical tower, the biochemical tower energy high efficient and flexible
Realization carbon drop denitrogenation requirement, realize energy-saving and emission-reduction, save land occupation, while operational safety stablize.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and integrated A/O pre-denitrification and denitrogenation is biochemical
Tower, including tower body, the tower body is interior to be divided transversely into hypoxia response area and aerobic reactor zone by liquid distribution trough, and the anoxic is anti-
It answers in area and aerobic reactor zone and is respectively arranged with filler；
In the tower body, below aerobic reactor zone, be disposed with from top to bottom water distribution pipe, reflux water distributor and
Sludge pipe；
Air diffusion aerator, the air diffusion aerator and aeration point are provided between the aerobic reactor zone and liquid distribution trough
Stringing connection
Gas sampling cover, gas sampling cover top and flue gas leading are provided in the tower body, above aerobic reactor zone
Connection；
Overflow launder, setting below the overflow launder are provided on side wall between the gas sampling cover and aerobic reactor zone
There is nitrification liquid outlet, the nitrification liquid outlet is connected to reflux water distributor 3 by reflux pump.
Further, the gas sampling cover is pyramidal exhaust gas gathering mask.
Further, nitrification liquid outlet is connected to between reflux pump by reflux pump water inlet pipe, the reflux pump and
Pass through reflux water pump outlet pipe connection between reflux water distributor.
Further, the reflux pump is arranged outside tower body.
Further, the overflow launder is connected to outlet pipeline.
The utility model integrated A/O pre-denitrification and denitrogenation biochemical tower working principle: treatment sewage passes through water inlet
Water distributor enters in tower body, mixes with the nitrification liquid of reflux, completes biological denitrification denitrification process, anoxic by hypoxia response area
The water outlet of reaction zone and tail gas flowed into aerobic reactor zone by liquid distribution trough, and biology occurs in the filler of aerobic reactor zone
Nitrification；The exhaust collection of aerobic reactor zone is discharged in gas sampling cover, and through flue gas leading；It is handled through aerobic reactor zone
Part nitrification liquid afterwards passes sequentially through nitrification liquid outlet, reflux pump water inlet pipe, reflux pump, the water pump outlet pipe that flows back is sent back in tower body
It utilizes again；Through treated for aerobic reactor zone, water outlet summarizes to overflow launder from outlet pipe is discharged；Sludge pipe and external sludge pipe
Connection, periodically to outside drain sludge.
The utility model integrated A/O pre-denitrification and denitrogenation biochemical tower, has the advantage that compared with prior art
1) integrated A described in the utility model/O pre-denitrification and denitrogenation biochemical tower, by traditional horizontal pulling flow type A/O
Combined biochemical pool structure becomes the integration apparatus for being vertically thoroughly mixed formula, occupied area is greatly saved, while reducing nitre
Change the energy consumption of liquid reflux, while equipment is in closed structure, solves the problems, such as gas sampling together；
2) integrated A described in the utility model/O pre-denitrification and denitrogenation biochemical tower can flexibly pass through multistage string
Connection forms multistage A/O technique, further intensified anti-nitrated denitrification effect.
3) integrated A described in the utility model/O pre-denitrification and denitrogenation biochemical tower, can by reasonably optimizing structure,
It is further added by one layer of liquid distribution trough, A/O is become into A2/ O technique, makes it have carbon and nitrogen removal phosphor-removing effect.
To sum up, the utility model integrated A/O pre-denitrification and denitrogenation biochemical tower energy high efficient and flexible realization carbon drop denitrogenation
It is required that realizing energy-saving and emission-reduction, land occupation is saved, while operational safety is stablized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integration A/O pre-denitrification and denitrogenation biochemical tower.
Wherein appended drawing reference is as follows:
1 hypoxia response area；2 sludge pipes；3 reflux water distributors；4 water distribution pipes；5 liquid distribution troughs；6 is good
Oxygen reaction zone；7 aeration distributor pipes；8 air diffusion aerators；9 overflow launders；10 outlet pipes；11 gas sampling covers；12 exhaust gas
Pipe；13 reflux pumps；14 reflux pump water inlet pipes；15 reflux water pump outlet pipes.
Specific embodiment
The present invention will be further described with reference to embodiments:
Embodiment 1
Present embodiment discloses a kind of integrated A/O pre-denitrification and denitrogenation biochemical towers, and structure is as shown in Figure 1, include
Tower body, the tower body is interior to be divided transversely into hypoxia response area 1 and aerobic reactor zone 6, the hypoxia response by liquid distribution trough 5
Area 1 is connected to the mutually indepedent liquid distribution trough 5 that only passes through in aerobic reactor zone 6, in the hypoxia response area 1 and aerobic reactor zone 6
It is respectively arranged with filler；The water outlet in the hypoxia response area and tail gas pass through liquid distribution trough 5 and flowed into aerobic reactor zone, good
Biological nitration effect occurs in the filler of oxygen reaction zone；
In the tower body, 6 lower section of aerobic reactor zone, it is disposed with water distribution pipe 4, reflux water distributor from top to bottom
3 and sludge pipe 2；The water distribution pipe 4 is connected to external sewage source, conveys sewage to hypoxia response area；The recirculation water
Distributor 3 is connected to aerobic reactor zone 6, to the nitrification liquid of hypoxia response area conveying reflux；The nitrification liquid of the sewage and reflux
Mixing completes biological denitrification denitrification process by hypoxia response area, then carries out biological nitration work by aerobic reactor zone filler
With；The sludge pipe 2 is connected to external sludge pipe, periodically to outside drain sludge.
Air diffusion aerator 8, the air diffusion aerator 8 and exposure are provided between the aerobic reactor zone 6 and liquid distribution trough 5
Gas distributor pipe 7 is connected to
Gas sampling cover 11 is provided in the tower body, above aerobic reactor zone 6, the gas sampling cover 11 is taper
Exhaust gas gas gathering mask, 11 top of gas sampling cover are connected to flue gas leading 12；
Be provided with overflow launder 9 on side wall between the gas sampling cover 11 and aerobic reactor zone 6, the overflow launder 9 with
Outlet pipe 10 is connected to, and through treated for aerobic reactor zone 6, water summarizes to overflow launder 9, is discharged from outlet pipe 10.The overflow launder 9
Lower section is provided with nitrification liquid outlet, and the nitrification liquid outlet is connected to reflux water distributor 3 by reflux pump 13, specifically, nitre
Change liquid outlet to be connected to between reflux pump 13 by reflux pump water inlet pipe 14, between the reflux pump 13 and reflux water distributor 3
It is connected to by reflux water pump outlet pipe 15, the reflux pump 13 is arranged outside tower body.
The step of using the present embodiment integrated A/O pre-denitrification and denitrogenation biochemical tower processing sewage, is as follows: dirt to be processed
Water is entered in tower body by water distribution pipe, is mixed with the nitrification liquid of reflux, and it is de- to complete biological denitrification by hypoxia response area
Nitrogen process, the water outlet in hypoxia response area and tail gas flowed into aerobic reactor zone by liquid distribution trough, in filling out for aerobic reactor zone
Biological nitration effect occurs in material；The exhaust collection of aerobic reactor zone is discharged in gas sampling cover, and through flue gas leading；Through well
Oxygen reaction zone treated part nitrification liquid passes sequentially through nitrification liquid outlet, reflux pump water inlet pipe, reflux pump, reflux water pump outlet pipe
It is sent back in tower body and utilizes again；Through treated for aerobic reactor zone, water outlet summarizes to overflow launder from outlet pipe is discharged；Sludge pipe
It is connected to external sludge pipe, periodically to outside drain sludge.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (5)
1. a kind of integrated A/O pre-denitrification and denitrogenation biochemical tower, which is characterized in that including tower body, by liquid in the tower body
Distributor is divided transversely into hypoxia response area and aerobic reactor zone, is respectively arranged in the hypoxia response area and aerobic reactor zone
Filler；
In the tower body, below aerobic reactor zone, it is disposed with water distribution pipe, reflux water distributor and spoil disposal from top to bottom
Pipe；
Air diffusion aerator, the air diffusion aerator and aeration distributor pipe are provided between the aerobic reactor zone and liquid distribution trough
Connection；
It is provided with gas sampling cover in the tower body, above aerobic reactor zone, gas sampling cover top is connected to flue gas leading；
It is provided with overflow launder on side wall between the gas sampling cover and aerobic reactor zone, is provided with nitre below the overflow launder
Change liquid outlet, the nitrification liquid outlet is connected to reflux water distributor by reflux pump.
2. integrated A/O pre-denitrification and denitrogenation biochemical tower according to claim 1, which is characterized in that the gas sampling
Cover is pyramidal exhaust gas gathering mask.
3. integrated A/O pre-denitrification and denitrogenation biochemical tower according to claim 1, which is characterized in that the nitrification liquid goes out
Mouth is connected to between reflux pump by reflux pump water inlet pipe, is passed through reflux pump between the reflux pump and reflux water distributor and is discharged
Pipe connection.
4. integrated A/O pre-denitrification and denitrogenation biochemical tower according to claim 1, which is characterized in that the reflux pump is set
It sets outside tower body.
5. integrated A/O pre-denitrification and denitrogenation biochemical tower according to claim 1, which is characterized in that the overflow launder with
Outlet pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820682925.2U CN208454618U (en) | 2018-05-09 | 2018-05-09 | A kind of integrated A/O pre-denitrification and denitrogenation biochemical tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820682925.2U CN208454618U (en) | 2018-05-09 | 2018-05-09 | A kind of integrated A/O pre-denitrification and denitrogenation biochemical tower |
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| Publication Number | Publication Date |
|---|---|
| CN208454618U true CN208454618U (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820682925.2U Expired - Fee Related CN208454618U (en) | 2018-05-09 | 2018-05-09 | A kind of integrated A/O pre-denitrification and denitrogenation biochemical tower |
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| CN (1) | CN208454618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606568A (en) * | 2019-11-06 | 2019-12-24 | 众意环保科技(大连)有限公司 | Integrated A with embedded precipitation structure2/O biochemical tower |
| WO2022036759A1 (en) * | 2020-08-18 | 2022-02-24 | 浙江海河环境科技有限公司 | Integrated device and method for biological treatment of organic sewage containing cod and nitrogen via a/o tower |
-
2018
- 2018-05-09 CN CN201820682925.2U patent/CN208454618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606568A (en) * | 2019-11-06 | 2019-12-24 | 众意环保科技(大连)有限公司 | Integrated A with embedded precipitation structure2/O biochemical tower |
| WO2022036759A1 (en) * | 2020-08-18 | 2022-02-24 | 浙江海河环境科技有限公司 | Integrated device and method for biological treatment of organic sewage containing cod and nitrogen via a/o tower |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190829 Address after: 116081 Xinhongyuan No. 11, No. 2, Unit 2, No. 1, Ganjingzi District, Dalian City, Liaoning Province Patentee after: Zhongyi Environmental Protection Technology (Dalian) Co., Ltd. Address before: 116081 Xiangyiyuan 32 # - 2 - 102, Ganjingzi District, Dalian City, Liaoning Province Patentee before: Wang Yushi |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20210509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |