CN105439281B - Moving-bed biofilm reaction unit - Google Patents
Moving-bed biofilm reaction unit Download PDFInfo
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- CN105439281B CN105439281B CN201510920356.1A CN201510920356A CN105439281B CN 105439281 B CN105439281 B CN 105439281B CN 201510920356 A CN201510920356 A CN 201510920356A CN 105439281 B CN105439281 B CN 105439281B
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- shell
- moving
- reaction unit
- bed biofilm
- deflector
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/085—Fluidized beds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention discloses a kind of moving-bed biofilm reaction unit.The moving-bed biofilm reaction unit includes the shell with receiving space, carrier, multiple aerators, polylith deflector and the water inlet pipe and outlet pipe that are formed in the shell.The carrier, the aerator and the deflector are contained in the shell, the setting direction of the deflector and the depth direction of sewage in the shell are in the same direction, deflector described in polylith interlocks set on the inner bottom wall and inner roof wall of the shell, and the inner wall interval of every piece of deflector and the opposite shell is arranged.The aerator interlocks set on the bottom and top of the shell, and each aerator includes tracheae, is formed in two row stomatas of the tracheae, and the angle that the axis of the two row stomatas is formed is 10 30 °.Moving-bed biofilm reaction unit provided by the invention, reaction compartment utilization rate is high, and good sewage processing effect.
Description
Technical field
A kind of technical field of sewage of the present invention, and in particular to moving-bed biofilm reaction unit.
Background technology
Moving bed biofilm reactor (Moving Bed Biofilm Reactor, MBBR) technological principle is with biology
The basic principle of embrane method, the advantages of having both both conventional fluidization bed and biological contact oxidation process, be a kind of new and effective sewage
Processing method makes carrier be in fluidized state, and then forms the life that suspends by the castering action of aeration and flow in aeration tank
The biomembrane of long activated sludge and apposition growth.When microorganism is attached on carrier, the carrier of floating in reactor with
The convolution inverting action of mixed liquor and move freely, to achieve the purpose that sewage disposal.
In MBBR techniques, it is related with aeration system that microorganism is attached to the amount on carrier.In the related technology, aerator
Set on reactor bottom, for the axis of aerator venthole perpendicular to the bottom wall of reactor, it is vertical to make the flow direction of air-flow
Direction.In actual application, which, which can not achieve, makes the uniform filling as carrier be mixed in waste water solution,
To make the water treatment effect of subregion that design requirement be not achieved, the utilization rate of reactor is reduced.
Therefore, it is necessary to provide a kind of new moving-bed biofilm reaction unit solution above-mentioned technical problem.
Invention content
The purpose of the present invention is overcoming above-mentioned technical problem, a kind of reaction compartment utilization rate height is provided, and sewage disposal is imitated
The good moving-bed biofilm reaction unit of fruit.
Technical scheme is as follows：
A kind of moving-bed biofilm reaction unit includes shell with receiving space, carrier, multiple aerators, more
Block deflector and the water inlet pipe and outlet pipe for being formed in the shell, the carrier, the aerator and the deflector
It is contained in the shell, deflector described in polylith interlocks set on the inner bottom wall and inner roof wall of the shell, and is led described in every piece
Flowing plate and the inner wall interval of the opposite shell are arranged, the depth of the length direction of the deflector and sewage in the shell
Direction is in the same direction；The aerator interlocks set on the bottom and top of the shell, and each aerator includes tracheae, shape
Two row stomatas of tracheae described in Cheng Yu, the angle that the axis of the two row stomatas is formed is 10-30 °.
Preferably, the ventilatory capacity of the aerator is 5-6m3/m·h。
Preferably, a diameter of 50-80mm of the stomata.
Preferably, the filling rate of the carrier is the 20-30% of the vome of shell.
Preferably, the porosity of the carrier is 60-70%.
Preferably, the moving-bed biofilm reaction unit further includes filter, and the filter is disposed in the housing and position
In the outlet pipe side.
Preferably, the outlet pipe is located at the bottom of the shell, and the water inlet pipe is located at the top of the shell.
Compared with the relevant technologies, moving-bed biofilm reaction unit provided by the invention has the advantages that：
One, moving-bed biofilm reaction unit provided by the invention is made by the way that polylith deflector is arranged in the shell
Multiple conversion zones flowed successively are formed in the moving-bed biofilm reaction unit, into the moving bed biological film reaction
Sewage in device passes through multi-stage aeration and reacts successively, improves the utilization rate of the moving-bed biofilm reaction unit, and carry
The high effect of sewage disposal.
Two, moving-bed biofilm reaction unit provided by the invention, the tracheae in the aerator are equipped with two row gas
Hole, and the angle that the axis of two row stomatas is formed is 10-30 °, gas is after tracheae ejection, two branches of bubble formation, at this
In angular range, bubble is distributed in a jumble in sewage, and the region area of bubble distribution increases, to increase microorganism in sewage
With the contact rate of carrier, and then the efficiency of carrier adsorption microorganism is improved.
Three, moving-bed biofilm reaction unit provided by the invention can be by the parameter designing of aerator and carrier
One step improves adsorption effect of the carrier to microorganism.
Description of the drawings
Fig. 1 is the structural schematic diagram of the moving-bed biofilm reaction unit of the present invention；
Fig. 2 is the structural schematic diagram of the aerator of moving-bed biofilm reaction unit shown in Fig. 1.
Specific implementation mode
Below by embodiment, the invention will be further described.
Referring to Fig. 1, the structural schematic diagram of the moving-bed biofilm reaction unit for the present invention.The moving-bed biofilm
Reaction unit 1 include the shell 11 with receiving space, deflector 12, aerator 13, carrier 14, filter 15, water inlet pipe 16,
Outlet pipe 17.The shell 11 has a receiving space, the deflector 12, the aerator 13, the carrier 14 and institute
Filter 15 is stated to be contained in the receiving space of the shell 11.The water inlet pipe 16 and the outlet pipe 17 connect with the shell 11
It is logical, and be placed in outside the shell 11.
The shell 11 includes the inner bottom wall 111 positioned at its bottom and the inner roof wall 112 at the top of it, and the shell
11 be in semi-enclosed structure, i.e. the top of the shell 11 is not fully closed, keeps the gas generated in sewage disposal process direct
Discharge.
The quantity of the deflector 12 is polylith, the depth of the length direction of the deflector 12 and sewage in the shell 11
Degree direction is in the same direction, and the deflector 12 interlocks set on the inner bottom wall 111 and inner roof wall 112 of the shell 11, is led described in every piece
Flowing plate 12 and the inner wall interval of the opposite shell are arranged, and polylith deflector 12 separates the receiving space in the shell 11
As multiple continuous conversion zones, into the sewage in the moving-bed biofilm reaction unit 1 successively by each reaction
It being flowed out behind region, sewage passes through multistep treatment, not only increases the space availability ratio of the moving-bed biofilm reaction unit 1,
And improve wastewater treatment efficiency.
13 quantity of the aerator is multiple, and staggeredly set on the bottom and top of the shell 11, the aeration dress
Set 13 quantity it is identical as the quantity of conversion zone that the deflector 12 is formed, and a conversion zone is correspondingly arranged an institute
State aerator 13.For being aerated, the bubble for being aerated generation enters in sewage the aerator 13, is mixed with sewage.
Fig. 2 is please referred to, is the structural schematic diagram of the aerator of moving-bed biofilm reaction unit shown in Fig. 1.The exposure
Device of air 13 includes tracheae 131 and the stomata 132 for being formed in the tracheae 131, and the tracheae 131 connects external gas source and generates dress
It sets, such as air compressor machine.A diameter of 50-80mm of the stomata 132, and be in two column distributions, the two row gas on the tracheae 131
The angle α that the axis in hole is formed is 10-30 °, and gas is after the ejection of the tracheae 131, two branches of bubble formation, in the angle
In range, bubble is distributed in a jumble in sewage, and the region area of bubble distribution increases, to increase microorganism and load in sewage
The contact rate of body, and then improve the efficiency of carrier adsorption microorganism.
In practical applications, if the angle α that two axis for arranging the stomata 132 are formed is more than 30 °, from the tracheae 131
The angle in the air-flow offset vertical direction of ejection is larger, and right over the tracheae 131 without being produced without bubble within the scope of language
It is raw, to which the contact rate of microorganism and the carrier 14 in sewage can be reduced, reduce the effect of sewage disposal.
The ventilatory capacity of the aerator 13 is 5-6m3/ mh, the i.e. tolerance that every meter of tracheae generates in one hour are 5-
6m3。
The carrier 14 is MBBR fillers, and the carrier 14 is equipped with several through-holes, in sewage treatment process, sewage
In microorganism adsorption on carrier, and then realize sewage purification purpose.The carrier 14 is uniformly distributed in each reaction zone
In domain, filling rate is the 20-30% of 11 volume of the shell.The porosity of the carrier is 60-70%.
The filter 15 is set in the shell 11, and 17 side of the outlet pipe.The filter 15 is arranged in oblique angle, uses
In that will be discharged after the filtering of treated water, it on the one hand can intercept carrier and enter the outlet pipe 17, the outlet pipe 17 is made to block,
On the other hand the large particle in sewage can also be intercepted.
The water inlet pipe 16 and the outlet pipe 17 are respectively arranged on the shell 11, and empty with the receiving of the shell 11
Between be connected to.The outlet pipe 16 is located at the bottom of the shell 11, and the water inlet pipe 16 is located at the top of the shell 11.
Moving-bed biofilm reaction unit 1 provided by the invention, by by the aerator 13 and the carrier 14
Parameter is rationally designed, good sewage processing effect.After testing, the sewage being discharged by the outlet pipe 17, COD contents are less than
25mg/L。
Moving-bed biofilm reaction unit provided by the invention, has the advantages that：
One, moving-bed biofilm reaction unit provided by the invention is made by the way that polylith deflector is arranged in the shell
Multiple conversion zones flowed successively are formed in the moving-bed biofilm reaction unit, into the moving bed biological film reaction
Sewage in device passes through multi-stage aeration and reacts successively, improves the utilization rate of the moving-bed biofilm reaction unit, and carry
The high effect of sewage disposal.
Two, moving-bed biofilm reaction unit provided by the invention, the tracheae in the aerator are equipped with two row gas
Hole, and the angle that the axis of two row stomatas is formed is 10-30 °, gas is after tracheae ejection, two branches of bubble formation, at this
In angular range, bubble is distributed in a jumble in sewage, and the region area of bubble distribution increases, to increase microorganism in sewage
With the contact rate of carrier, and then the efficiency of carrier adsorption microorganism is improved.
Three, moving-bed biofilm reaction unit provided by the invention can be by the parameter designing of aerator and carrier
One step improves adsorption effect of the carrier to microorganism.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (6)
1. a kind of moving-bed biofilm reaction unit, include shell with receiving space, carrier, multiple aerators and
It is formed in the water inlet pipe and outlet pipe of the shell, the carrier and the aerator are contained in the shell, feature
It is, the moving-bed biofilm reaction unit further includes polylith deflector, and deflector described in polylith is staggeredly set to the shell
Inner bottom wall and inner roof wall, and the inner wall interval of every piece of deflector and the opposite shell is arranged, the deflector
The depth direction of length direction and sewage in the shell is in the same direction；The aerator interlocks set on the bottom and top of the shell
Portion, each aerator include tracheae, are formed in two row stomatas of the tracheae, the axis formation of the two row stomatas
Angle is 10-30 °.
2. moving-bed biofilm reaction unit according to claim 1, which is characterized in that a diameter of 50- of the stomata
80mm。
3. moving-bed biofilm reaction unit according to claim 1, which is characterized in that the filling rate of the carrier is institute
State the 20-30% of vome of shell.
4. moving-bed biofilm reaction unit according to claim 3, which is characterized in that the porosity of the carrier is
60-70%.
5. moving-bed biofilm reaction unit according to claim 1, which is characterized in that the moving bed biological film reaction
Device further includes filter, and the filter is disposed in the housing and is located at the outlet pipe side.
6. moving-bed biofilm reaction unit according to claim 5, which is characterized in that the outlet pipe is located at the shell
The bottom of body, the water inlet pipe are located at the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920356.1A CN105439281B (en) | 2015-12-11 | 2015-12-11 | Moving-bed biofilm reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920356.1A CN105439281B (en) | 2015-12-11 | 2015-12-11 | Moving-bed biofilm reaction unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105439281A CN105439281A (en) | 2016-03-30 |
| CN105439281B true CN105439281B (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510920356.1A Active CN105439281B (en) | 2015-12-11 | 2015-12-11 | Moving-bed biofilm reaction unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935171A (en) * | 2018-01-09 | 2018-04-20 | 中冶赛迪工程技术股份有限公司 | Pulling flow type moving bed biofilm reactor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971334Y (en) * | 2006-11-10 | 2007-11-07 | 王家骐 | Oblique millipore aeration flexible tube |
| JP2011218342A (en) * | 2010-04-09 | 2011-11-04 | Friederike Ott | Gas supply device for intermittently supplying gas into liquid |
| CN203079739U (en) * | 2013-01-31 | 2013-07-24 | 陕西广基宏源环保能源科技开发有限公司 | Aerobic moving bed and fixed bed-type immobilized biological reactor |
| CN203999140U (en) * | 2014-07-29 | 2014-12-10 | 沭阳嘉净环保科技有限公司 | A kind of moving-bed type decentralized sewage treatment device |
| CN204661426U (en) * | 2015-05-27 | 2015-09-23 | 浙江佳力织染制衣有限公司 | A kind of aerator |
| CN204661388U (en) * | 2015-05-15 | 2015-09-23 | 胡细全 | Solarization air cap pipe and aeration tube device |
-
2015
- 2015-12-11 CN CN201510920356.1A patent/CN105439281B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971334Y (en) * | 2006-11-10 | 2007-11-07 | 王家骐 | Oblique millipore aeration flexible tube |
| JP2011218342A (en) * | 2010-04-09 | 2011-11-04 | Friederike Ott | Gas supply device for intermittently supplying gas into liquid |
| CN203079739U (en) * | 2013-01-31 | 2013-07-24 | 陕西广基宏源环保能源科技开发有限公司 | Aerobic moving bed and fixed bed-type immobilized biological reactor |
| CN203999140U (en) * | 2014-07-29 | 2014-12-10 | 沭阳嘉净环保科技有限公司 | A kind of moving-bed type decentralized sewage treatment device |
| CN204661388U (en) * | 2015-05-15 | 2015-09-23 | 胡细全 | Solarization air cap pipe and aeration tube device |
| CN204661426U (en) * | 2015-05-27 | 2015-09-23 | 浙江佳力织染制衣有限公司 | A kind of aerator |
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| Publication number | Publication date |
|---|---|
| CN105439281A (en) | 2016-03-30 |
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Address after: 410100 15 Xingsha Avenue, Changsha Economic Development Zone, Hunan Applicant after: Aerospace Kay environmental Polytron Technologies Inc Address before: 410100 Xingsha Avenue, Changsha County, Changsha, Hunan Province, No. 15 Applicant before: Kaitian Environmental Tech. Co., Ltd. |
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