CN104973681A - Naturally-oxygenation-type bio-filtering column - Google Patents
Naturally-oxygenation-type bio-filtering column Download PDFInfo
- Publication number
- CN104973681A CN104973681A CN201410148978.2A CN201410148978A CN104973681A CN 104973681 A CN104973681 A CN 104973681A CN 201410148978 A CN201410148978 A CN 201410148978A CN 104973681 A CN104973681 A CN 104973681A
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- CN
- China
- Prior art keywords
- bio
- water
- oxygenation
- fed
- waste water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a naturally-oxygenation-type bio-filtering column, which is characterized in that when waste water required treatment is fed into a water inlet pipe. After uniform water distribution by a rotary spray nozzle, the waste water is fed from top to bottom into a biological bed column body and flows through a bio-membrane filtering bed. Natural air fed from a natural air vent is used for providing oxygen to the waste water. Clear water through degradation of the bio-membrane filtering bed is self-flown into a water collection tank and is discharged out or is fed into the next treatment unit. By means of the improvement, the invention solves the problems of long civil construction period, high engineering cost and high operation energy consumption cost in a conventional bio-filtering tank. By means of an over-ground structure, the naturally-oxygenation-type bio-filtering column can achieve energy saving and is high in construction speed, is low in operation energy consumption cost, and is convenient to repair and maintenance.
Description
Technical field
The present invention relates to sewage treatment area, particularly a kind of biological filtering tower combined working of natural-aeration formula.
Background technology
At food, oil, butcher, and the sewage treatment area such as fruits and vegetables, aerobic biological film method is also known as fixing embrane method, and aerobic biological film method and aerobic activated sludge process are two kinds of biologic treating techniques that sewage treatment industry is most widely used.Its essential characteristic is the carrier arranging microorganism growth gathering in sewage treatment structure, and under the condition of oxygenation, microorganism gathers attachment at filling surface and forms microbial film.Sewage through oxygenation flows through filler with certain flow velocity, and the organism in the antimicrobial absorbent water of decomposition in microbial film, makes sewage be purified, and microorganism is also bred simultaneously, and microbial film thickens thereupon.When microbial film rises to certain thickness, the oxygen to microbial film internal divergence is restricted, and its surface has been still oxygen condition, and internal layer can be then anoxic even anaerobic state, and finally causes biomembranous coming off.Subsequently, filling surface also can the new microbial film of continued growth, goes round and begins again, sewage is purified.
Summary of the invention
The present invention proposes a kind of biological filtering tower combined working of natural-aeration formula, it is characterized in that: need process waste water to enter water inlet pipe, after rotary nozzle water distribution uniformity, enter biological bed tower body from top to bottom, flow through microbial film filter bed, the natural wind that natural ventilation port enters provides the oxygenation of waste water, the water purification after the degraded of microbial film filter bed, arranges or enters next processing unit outside after certainly flowing to tank collection of catchmenting.
By above improvement, the present invention solves that the traditional biological filter tank civil engineering cycle is long, and construction costs is high, the difficult problem that operation energy consumption expense is large.The biological filtering tower combined working of natural-aeration formula can realize energy-conservation, and due to ground type structure, its speed of application is fast, and energy consumption working cost is low, is convenient to the advantages such as maintenance process simulation.
Accompanying drawing explanation
Figure is schematic diagram of the present invention.
In figure 1, water inlet pipe 2, rotary nozzle 3, microbial film filter bed 4, biological bed tower body 5, natural ventilation port 6, catchment tank.
Embodiment
As shown in the figure, the general 8 ~ 25m of natural-aeration formula biological filter tower height, diameter is 1 ~ 3.5m, the in-built light weight of tower body, the synthetic filler that specific surface area is large and porosity is high.The biological filtering tower combined working of natural-aeration formula of the present invention, process waste water is needed to enter water inlet pipe 1, biological bed tower body 4 is entered from top to bottom after rotary nozzle 2 water distribution uniformity, flow through microbial film filter bed 3, the natural wind that natural ventilation port 5 enters provides the oxygenation of waste water, water purification after the degraded of microbial film filter bed, certainly flow to the tank 6 that catchments and collects and outer arrange or enter next processing unit afterwards.Not by the mode of conventional fan oxygenation aeration, adopt natural ventilation, make to flow through tower body waste water drip from top to bottom, air flows from bottom to top, sewage, air are fully contacted with the microbial film three-phase be attached on filler, accelerate mass transfer velocity and biomembranous renewal speed, improve the organic loading that unit volume filler is born, thus make sewage obtain desirable decontamination effect improving.
Claims (1)
1. the biological filtering tower combined working of natural-aeration formula, it is characterized in that: need process waste water to enter water inlet pipe, after rotary nozzle water distribution uniformity, enter biological bed tower body from top to bottom, flow through microbial film filter bed, the natural wind that natural ventilation port enters provides the oxygenation of waste water, the water purification after the degraded of microbial film filter bed, arranges or enters next processing unit outside after certainly flowing to tank collection of catchmenting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148978.2A CN104973681A (en) | 2014-04-08 | 2014-04-08 | Naturally-oxygenation-type bio-filtering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148978.2A CN104973681A (en) | 2014-04-08 | 2014-04-08 | Naturally-oxygenation-type bio-filtering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104973681A true CN104973681A (en) | 2015-10-14 |
Family
ID=54270712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410148978.2A Pending CN104973681A (en) | 2014-04-08 | 2014-04-08 | Naturally-oxygenation-type bio-filtering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104973681A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216004A (en) * | 2017-06-30 | 2017-09-29 | 中电环保股份有限公司 | domestic sewage processing system and method |
| CN116947267A (en) * | 2023-09-20 | 2023-10-27 | 中国农业科学院农业环境与可持续发展研究所 | Black ash water integration treatment facility |
-
2014
- 2014-04-08 CN CN201410148978.2A patent/CN104973681A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216004A (en) * | 2017-06-30 | 2017-09-29 | 中电环保股份有限公司 | domestic sewage processing system and method |
| CN107216004B (en) * | 2017-06-30 | 2020-12-22 | 中电环保股份有限公司 | Domestic sewage treatment system and method |
| CN116947267A (en) * | 2023-09-20 | 2023-10-27 | 中国农业科学院农业环境与可持续发展研究所 | Black ash water integration treatment facility |
| CN116947267B (en) * | 2023-09-20 | 2023-12-29 | 中国农业科学院农业环境与可持续发展研究所 | Black ash water integration treatment facility |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151014 |