CN208856981U - A kind of device using external bioreactor for treatment sewage containing activated sludge - Google Patents
A kind of device using external bioreactor for treatment sewage containing activated sludge Download PDFInfo
- Publication number
- CN208856981U CN208856981U CN201820753537.9U CN201820753537U CN208856981U CN 208856981 U CN208856981 U CN 208856981U CN 201820753537 U CN201820753537 U CN 201820753537U CN 208856981 U CN208856981 U CN 208856981U
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- China
- Prior art keywords
- bioreactor
- external
- venturi tube
- utility
- model
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Classifications
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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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- Activated Sludge Processes (AREA)
Abstract
The utility model provides a kind of device using external bioreactor for treatment sewage containing activated sludge, and described device includes Venturi tube and external bioreactor, and the Venturi tube is set to the water inlet end of external bioreactor.Venturi tube is arranged by the water inlet end in external bioreactor in the utility model, instead of needing the components such as the higher power transfer pump of energy consumption and air blower, by own structural characteristics, air is voluntarily mixed with raw water via Venturi tube, has the function that aeration and cleaning film surface.
Description
Technical field
The utility model belongs to environmental technology field, be related to it is a kind of using external bioreactor for treatment containing activated sludge
The device of sewage.
Background technique
Membrane bioreactor (MBR) is bioreactor for treatment technology and membrane technology and traditional wastewater biological treatment skill
Art organically combines and the new process for treating waste water of generation, the research of membrane Bio-reactor Technology are arrived since the sixties in last century
The middle and later periods eighties have developed rapidly, and a plurality of types of membrane bioreactors occur in succession.Research of the foreign countries to membrane bioreactor
The practical stage is come into, also achievement is significant for the domestic research in terms of membrane bioreactor in recent years.
Membrane bioreactor is applied to microbial fermentation industry at first.Membrane bioreactor answering in field of waste water treatment
The U.S. started from research.After the 1970s, anaerobism MBR technology begins one's study in succession.With film quality raising and
The raising of reduction, perfect, Membrane cleaning method the improvement and sewage effluents water quality requirement of membrane separation process of cost, in the world
To the research of membrane bioreactor deeper into.
Wastewater Treated by Activated Sludge Process sanitary sewage and other industrial wastewaters are the technologies that have developed rapidly in recent years.It is raw by film
What object reactor (Membrane Bioreactor, MBR) processing sewage and isolation/concentration reached often by two ways.
One is " built-in ", and in built-in mode, membrane component (usually plate membrane) is integrally placed in cesspool, and it is direct to produce water
It is extracted out from membrane component；Another kind is " external ", and in the device of external, the raw water containing activated sludge is pumped by mechanical pump
The water inlet end for entering membrane component, condensed water returns to cesspool after UF membrane, produces water and send to next processing section.Film in order to prevent
Surface contamination and blocking are often forced in the bottom of membrane component (built-in) or membrane component water inlet end (external) with air blower
Property air is mixed with raw water, be mixed into the raw water of bubble in film surface bubbles burst, can play cleaning film surface work
With.
If CN 1935689A discloses a kind of gas stripping type internal circulating membrane bioreactor processing sewage device and its method,
The compressed air that the air that the device air pump generates enters membrane bioreactor inner cylinder through aerator rises along inner cylinder, both
Film wire decelerating membrane pollution can be washed away, and provides the oxygen that active sludge intermixture Institute of Micro-biology needs.For another example CN 106219742A
Disclose a kind of integral type film biological reactor, handled by sewage be pumped into membrane component again by mechanical pump, increase simultaneously
If aerator cleans membrane module.But it all is required to increase equipment and its operating cost, energy consumption in the manner described above
Greatly.
Utility model content
For existing external bioreactor the problem of handling sewage process, the utility model provides one
Kind uses the device of external bioreactor for treatment sewage containing activated sludge.The utility model passes through in external biological respinse
The water inlet end setting Venturi tube of device passes through itself instead of the components such as the higher power transfer pump of energy consumption and air blower are needed
Design feature voluntarily mixes air via Venturi tube with raw water, has the function that aeration and cleaning film surface.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of device using external bioreactor for treatment sewage containing activated sludge, described
Device includes Venturi tube and external bioreactor, and the Venturi tube is set to the water inlet of external bioreactor
End.
" passively " and non-energy consumption is arranged by the water inlet end in external bioreactor in device described in the utility model
Venturi tube, mix air voluntarily with the sewage containing activated sludge via Venturi tube, reach aeration and cleaning film surface
Effect.
Venturi tube described in the utility model is the device using Venturi effect production.Such as attached drawing 2, the liquid of flowing by
Narrow suddenly in pipe diameter, flow velocity increases.When pipe diameter broadens again, will can be generated near swiftly flowing liquid
Negative pressure, to generate suction-operated.If opening bleeding point here, air will be sucked by bleeding point.
In the utility model, air is drawn by bleeding point by junior's pipeline using Venturi tube and is mixed with raw water.This
Bubble in one mixed process has an effect not only for the surface clean of film in external bioreactor, and due to jet stream and
Mixed strong effect, it breaks up the cell cluster in activated sludge, increases the specific surface area of activated sludge, to enhance activity
" activity " of sludge, is conducive to the efficient process of sewage.
It is used as the preferred technical solution of the utility model below, but not as the limit of technical solution provided by the utility model
System, by the following technical programs, can preferably reach and realize the technical purpose and beneficial effect of the utility model.
As the preferred technical solution of the utility model, the water inlet end in described device in external bioreactor is not set
Set power transfer pump.
As the preferred technical solution of the utility model, the water inlet end in described device in external bioreactor is not set
Set air blower.
As the preferred technical solution of the utility model, the Venturi tube includes entrance, contraction section, venturi and diffusion
Section, diffuser are connected with the water inlet of the water inlet end of external bioreactor, and bleeding point is arranged at venturi, and bleeding point connection is taken out
Air pipe, barometric damper built in exhaust pipe.
As the preferred technical solution of the utility model, the diameter of the venturi is 0.30 times of entrance diameter D~
0.70 times, such as 0.30 times, 0.40 times, 0.50 times, 0.60 times or 0.70 times etc..
The processing method of device described in the utility model are as follows: sewage containing activated sludge to be processed enter Venturi tube into
Water Duan Bingjing contraction section, venturi and diffuser enter external bioreactor, pass through the pumping in Venturi tube in this process
Air is drawn into Venturi tube and mixed with sewage containing activated sludge by port.The size of combined amount, can be by barometric damper
Control.
Compared with prior art, the utility model has the following beneficial effects:
Venturi tube is arranged by the water inlet end in external bioreactor in the utility model, by air from Venturi tube
Bleeding point be drawn into pipeline and mixed with treatment sewage, not only have work to the surface clean of film in external bioreactor
With；Also, due to jet stream and mixed strong effect, it can break up the cell cluster in activated sludge, increase activated sludge
Specific surface area be conducive to the efficient process of sewage to enhance " activity " of activated sludge, make the sewage containing activated sludge
COD average removal rate raising 8%~10%, ammonia nitrogen average removal rate raising 8%~12%, turbidity removal rate raising 1%~
2%.
Meanwhile method used in the utility model is simple, low cost does not need any other additional equipment and pipeline, energy
Enough play good aeration effect
Detailed description of the invention
Fig. 1 is described in the utility model embodiment 1 using external bioreactor for treatment sewage containing activated sludge
The structural schematic diagram of device；
Fig. 2 is the structural schematic diagram of Venturi tube described in the utility model embodiment 1；
Wherein, 1- Venturi tube, 2- external bioreactor, 3- entrance, 4- contraction section, 5- venturi, 6- diffusion
Section, 7- bleeding point, 8- barometric damper.
Specific embodiment
For the utility model is better described, it is easy to understand the technical solution of the utility model, below to the utility model
It is further described.But following embodiments is only the simple example of the utility model, does not represent or limits and is originally practical
Novel rights protection scope, scope of protection of the utility model are subject to claims.
Specific embodiment of the present invention part provides a kind of dirty containing activity using external bioreactor for treatment
The device of dirt water, described device include Venturi tube and external bioreactor, and the Venturi tube is set to external
The water inlet end of bioreactor.
The typical but non-limiting embodiment the following are the utility model:
Embodiment 1:
Present embodiments provide a kind of device using external bioreactor for treatment sewage containing activated sludge, such as Fig. 1
Shown, described device includes Venturi tube 1 and external bioreactor 2, and the Venturi tube 1 is set to external biology
The water inlet end of reactor 2；Also, power transfer pump and air blower are not provided in described device.
As shown in Fig. 2, the Venturi tube includes entrance 3, contraction section 4, venturi 5 and diffuser 6, diffuser 6 and outer
The water inlet for setting the water inlet end of formula bioreactor 2 is connected, and bleeding point 7 is arranged at venturi 5, and bleeding point 7 connects exhaust pipe, takes out
Barometric damper 8 built in air pipe；The diameter of the venturi is 0.35 times of entrance diameter D.
Sewage containing activated sludge, the COD average removal rate of the sewage containing activated sludge are handled using the present embodiment described device
8%~10% is improved, ammonia nitrogen average removal rate improves 10%~12%, and turbidity removal rate improves 1%~2%.
The Applicant declares that the utility model illustrates the method detailed of the utility model, but this reality through the foregoing embodiment
It is not limited to above-mentioned method detailed with novel, that is, it is real not mean that the utility model must rely on above-mentioned method detailed ability
It applies.It should be clear to those skilled in the art, any improvement to the utility model, to each original of the utility model product
The equivalence replacement of material and addition, the selection of concrete mode of auxiliary element etc., all fall within the protection scope of the utility model and public affairs
Within the scope of opening.
Claims (4)
1. a kind of device using external bioreactor for treatment sewage containing activated sludge, which is characterized in that described device packet
Venturi tube and external bioreactor are included, the Venturi tube is set to the water inlet end of external bioreactor；
The Venturi tube includes entrance, contraction section, venturi and diffuser, the water inlet of diffuser and external bioreactor
The water inlet at end is connected, and bleeding point is arranged at venturi, and bleeding point connects exhaust pipe, barometric damper built in exhaust pipe.
2. the apparatus according to claim 1, which is characterized in that in the water inlet end of external bioreactor in described device
It is not provided with power transfer pump.
3. the apparatus according to claim 1, which is characterized in that in the water inlet end of external bioreactor in described device
It is not provided with air blower.
4. the apparatus according to claim 1, which is characterized in that the diameter of the venturi is 0.30 times of entrance diameter D
~0.70 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753537.9U CN208856981U (en) | 2018-05-21 | 2018-05-21 | A kind of device using external bioreactor for treatment sewage containing activated sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753537.9U CN208856981U (en) | 2018-05-21 | 2018-05-21 | A kind of device using external bioreactor for treatment sewage containing activated sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208856981U true CN208856981U (en) | 2019-05-14 |
Family
ID=66411234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820753537.9U Expired - Fee Related CN208856981U (en) | 2018-05-21 | 2018-05-21 | A kind of device using external bioreactor for treatment sewage containing activated sludge |
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| Country | Link |
|---|---|
| CN (1) | CN208856981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655187A (en) * | 2019-09-30 | 2020-01-07 | 江苏凯米膜科技股份有限公司 | Distributed sewage treatment method and treatment system |
-
2018
- 2018-05-21 CN CN201820753537.9U patent/CN208856981U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655187A (en) * | 2019-09-30 | 2020-01-07 | 江苏凯米膜科技股份有限公司 | Distributed sewage treatment method and treatment system |
| CN110655187B (en) * | 2019-09-30 | 2021-11-30 | 江苏凯米膜科技股份有限公司 | Distributed sewage treatment method and treatment system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 |