CN110372092A - A kind of hydraulic mixing anoxic pond biofilm reactor - Google Patents
A kind of hydraulic mixing anoxic pond biofilm reactor Download PDFInfo
- Publication number
- CN110372092A CN110372092A CN201910745382.3A CN201910745382A CN110372092A CN 110372092 A CN110372092 A CN 110372092A CN 201910745382 A CN201910745382 A CN 201910745382A CN 110372092 A CN110372092 A CN 110372092A
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- China
- Prior art keywords
- reaction zone
- distribution area
- water distribution
- circulation system
- anoxic pond
- Prior art date
- 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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Links
- 238000002156 mixing Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 238000009826 distribution Methods 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 210000003205 muscle Anatomy 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 1
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 238000010907 mechanical stirring Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 description 8
- 239000010802 sludge Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005243 fluidization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2833—Anaerobic digestion processes using fluidized bed reactors
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
- C02F3/2873—Particular arrangements for anaerobic reactors with internal draft tube circulation
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (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 invention belongs to field of waste water treatment, are related to a kind of hydraulic mixing anoxic pond biofilm reactor, include reactor body, and the reactor body includes reaction zone and water distribution area；Along the direction far from the water distribution area, deflector and effluent weir are provided in reaction zone；The first circulation system and second circulation system being connected with reactor body are equipped on the outside of the reactor body, the first circulation system is equipped with water inlet pipe, nitrification liquid return pipe, and loop direction is by reaction zone to water distribution area；The loop direction of the second circulation system is opposite with first circulation system orientation；Further include outlet pipe, is connected with the effluent weir, is connected to outside reactor body.The present invention fluidizes floating stuffing sufficiently, avoids the accumulation of filler and because being crushed caused by mechanical stirring by the way that reasonable topology layout is arranged.
Description
Technical field
The invention belongs to field of waste water treatment, are related to a kind of hydraulic mixing anoxic pond biofilm reactor.
Background technique
As environmental requirement is increasingly stringent, the importance of wastewater treatment is increasingly prominent.Anoxic pond is as wastewater treatment process
In important processing equipment, there is the ability of denitrification and decarburization simultaneously, be widely used in wastewater treatment.
Traditional anoxic pond uses activated sludge process, carries out biochemical reaction using activated sludge, pollutant is removed in completion
It removes, sludge concentration is an important factor for guaranteeing pollutant removal, and traditional activated sludge process is guaranteed normal dirty using sludge reflux
Mud concentration then develops the anoxic pond of fixed filler, by installing fixed filler in pond body, mentions for microorganism growth attachment
For carrier, increase sludge concentration in reaction tank, but fixes the disadvantages of filler is inconvenient there are installation and maintenance.On this basis, develop
Floating stuffing technique out adds floating stuffing into pond body, higher in guarantee pond body as the carrier of microorganism growth attachment
Sludge concentration while, the maintenance that effectively avoids the problem that.For the fast fast-growing for guaranteeing the microorganism being attached on floating stuffing
Effectively removing for long breeding and pollutant, needs floating stuffing to come into full contact with waste water, traditional anoxic pond uses churned mechanically
Mode realizes the fluidisation of floating stuffing, and but there are the following problems: (1) mechanical stirring easily causes filler broken；(2) mechanical stirring
Fluidisation is uneven, and what filler cannot be full and uniform is distributed in waste water, easily deposits, is piled up in bottom of pond, turning.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of hydraulic mixing anoxic pond biofilm reactor, it is outstanding to realize
The abundant fluidisation of floating filler solves the problems, such as that traditional anoxic pond biofilm reactor floating stuffing fluidisation is uneven, breakable.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of hydraulic mixing anoxic pond biofilm reactor, including reactor body, the reactor body include reaction
Area and water distribution area；Along the direction far from the water distribution area, deflector and effluent weir are provided in reaction zone；The reactor body
Outside is equipped with the first circulation system and second circulation system being connected with reactor body, and the first circulation system is equipped with
Water inlet pipe, nitrification liquid return pipe, loop direction is by reaction zone to water distribution area；The loop direction of the second circulation system and
One circulatory system is contrary；Further include outlet pipe, is connected with the effluent weir, is connected to outside reactor body.
Optionally, the second circulation system is recycled in reaction zone, by recycling close to the side of the water distribution area
To the side far from water distribution area.
Optionally, floating stuffing is added in the reaction zone, the reaction zone is separated by water distributing plate and water distribution area, institute
It states and offers the water distributing pore that aperture is less than floating stuffing outer diameter on water distributing plate, aperture is offered on the effluent weir and is filled out less than suspending
Expect the through-hole of outer diameter.
Optionally, the reaction zone is in " rotary table " shape towards the side of the water distribution area, and the direction along close water distribution area is straight
Diameter is gradually reduced.
Optionally, reaction zone is 30 °~45 ° in the angle of its bus of the part of " rotary table " shape and reactor body side wall.
Optionally, the water distribution area is in " cylinder " shape, and diameter is identical as one end of reaction zone towards water distribution area.
Optionally, the effluent weir is arranged around reaction zone inner wall, including effluent weir side wall and effluent weir bottom plate.
Optionally, the angle of the effluent weir bottom plate and reactor body side wall is 120 °~150 °.
Optionally, the deflector is class cylindrical structure, is fixed on reactor body inner wall by strengthening muscle.
Optionally, the first circulation system and the connectivity part of reaction zone are equipped with mesh aperture less than floating stuffing outer diameter
Block；The connectivity part of the second circulation system and reaction zone close to water distribution area side is equipped with mesh aperture and is less than outside floating stuffing
The block of diameter.
The beneficial effects of the present invention are:
The present invention constructs inner recirculation flow field by two circulatory systems of setting and deflector, and second circulation system uses top
Tangential water inlet, forms the vortex downward around reactor body spiral inner wall between reactor body inner wall and deflector outer wall, until
Reaction zone bottom is upwardly into inside deflector under the impact of first circulation system bottom water distribution, up-flow is formed, until water conservancy diversion
Plate top is again introduced into downward vortex, moves in circles under the guide functions of effluent weir inclined floor, and floating stuffing is herein
It under the action of inner recirculation flow field, sufficiently fluidizes in reaction zone, is come into full contact with waste water, simultaneous reactions area bottom rotary table planar knot
Structure and the effluent weir bottom plate being obliquely installed can effectively avoid the accumulation of floating stuffing.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is the top view of the preferred embodiment of the present invention；
Fig. 2 is the positive structure schematic of the preferred embodiment of the present invention.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Please refer to Fig. 1-Fig. 2, the element numbers in attached drawing respectively indicate: reactor body 1, strengthens muscle at effluent weir side wall 2
3, deflector 4, water distributing plate 5, water inlet pipe 6, nitrification liquid return pipe 7, outlet pipe 8, first circulation system 9, second circulation system 10,
Effluent weir bottom plate 11, water distribution area 12, reaction zone 13.
The present invention relates to a kind of hydraulic mixing anoxic pond biofilm reactors, including reactor body 1, effluent weir, water conservancy diversion
Plate 4, water inlet pipe 6, nitrification liquid return pipe 7, outlet pipe 8, first circulation system 9 and second circulation system 10, reactor body by
Reaction zone 13 and water distribution area 12 form.Floating stuffing is added in reaction zone 13,13 top of reaction zone is cylindrical structure, lower part
For round table surface structure, floating stuffing is avoided to accumulate, it is preferable that round table surface bus and reactor body inner wall angle are 30 °.Water distribution
Area 12 is cylindrical structure, and diameter is identical as 13 lower part round table surface bottom surface of reaction zone, uses cloth between water distribution area 12 and reaction zone 13
Water plate 5 separates, and the water distributing pore that multiple apertures are slightly less than floating stuffing is evenly arranged on water distributing plate 5.Second circulation system 10 into
The mouth of a river and water outlet are separately connected 13 lower part of reaction zone and top, and water outlet and 1 outer wall of reactor body are tangent, set on water inlet
There is mesh aperture to be slightly less than the block of floating stuffing, filler is avoided to enter；9 water inlet of first circulation system and water outlet respectively with
13 top of reaction zone and water distribution area 12 communicate, and similarly, water inlet is equipped with the block that mesh aperture is slightly less than floating stuffing, keep away
Exempt from filler entrance, water inlet pipe 6, nitrification liquid return pipe 7 are connected with first circulation system 9；Deflector 4 is located at 13 middle part of reaction zone,
It is fixed on 1 inner wall of reactor body by strengthening muscle 3, deflector 4 is two cylindrical structures, and diameter is identical as water distributing plate 5；Water outlet
Weir is located at 13 top of reaction zone, is made of effluent weir side wall 2 and effluent weir bottom plate 11, and effluent weir bottom plate 11 is in tilted layout, and plays
While guide functions, filler is avoided to accumulate, it is preferable that the angle of effluent weir bottom plate 11 and reactor body inner wall is 135 °.
Waste water enters second circulation system 10 from 13 bottom of reaction zone in reaction zone 13, and reaction zone 13 is tangentially entered from top delivery port,
The vortex of downward spiral is formed in 1 inner wall of reactor body and 4 outer wall annular space of deflector, until 13 bottom of reaction zone, separately
A part of waste water enters first circulation system 9 at the top of reaction zone 13, and newly mixed into the reflux nitrification liquid of waste water and subsequent cell
Water distribution area 12 is entered by water outlet after conjunction, water distribution forms upward liter into deflector 4 straight up by water distributing plate 5
Stream, until 4 top of deflector, floating stuffing moves downwardly to reaction zone around 1 inner wall of reactor body under downward eddy current effect
13 bottoms enter in the cavity that deflector 4 is constituted under up-flow effect, rise to top, make in the water conservancy diversion of effluent weir bottom plate 11
Under, it is again introduced into downward vortex, is moved in circles, sufficiently fluidized.Outlet pipe 8 is located on 1 outer wall of reactor body, with water outlet
Weir communicates.Effluent weir side wall 2 and effluent weir bottom plate 11 are equipped with the through-hole that multiple apertures are slightly less than floating stuffing, and waste water passes through this
A little through-holes enter in effluent weir, and floating stuffing is blocked, and avoids the loss of filler, and waste water then passes through outlet pipe 8 and enters
Subsequent processing units.
The beneficial effects of the present invention are:
(1) by 13 bottom round table surface structure of reaction zone and the effluent weir bottom plate 11 of inclination arrangement, the accumulation of filler is avoided,
It can play the role of water conservancy diversion simultaneously.
(2) by bottom reflux water distribution straight up, top tangentially flow back water inlet, the deflector in the middle part of reaction zone 13 and
Inclined effluent weir bottom plate 11 forms the interior circulation being made of external downward vortex and internal upward up-flow in reactor
Flow field, so that filler sufficiently fluidizes, filler is broken caused by avoiding because of mechanical stirring.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of hydraulic mixing anoxic pond biofilm reactor, it is characterised in that: including reactor body, the reactor body
Including reaction zone and water distribution area；Along the direction far from the water distribution area, deflector and effluent weir are provided in reaction zone；It is described anti-
Answer the first circulation system and second circulation system for being equipped on the outside of device main body and being connected with reactor body, the first circulation system
System is equipped with water inlet pipe, nitrification liquid return pipe, and loop direction is by reaction zone to water distribution area；The circulation of the second circulation system
Direction is opposite with first circulation system orientation；Further include outlet pipe, is connected with the effluent weir, is connected to outside reactor body
Portion.
2. hydraulic mixing anoxic pond biofilm reactor as described in claim 1, it is characterised in that: the second circulation system
System is recycled in reaction zone, is recycled to the side far from water distribution area by the side close to the water distribution area.
3. hydraulic mixing anoxic pond biofilm reactor as described in claim 1, it is characterised in that: add in the reaction zone
Added with floating stuffing, the reaction zone is separated by water distributing plate and water distribution area, and aperture is offered on the water distributing plate and is less than suspension
The water distributing pore of filler outer diameter offers the through-hole that aperture is less than floating stuffing outer diameter on the effluent weir.
4. hydraulic mixing anoxic pond biofilm reactor as described in claim 1, it is characterised in that: the reaction zone direction
The side of the water distribution area is in " rotary table " shape, is gradually reduced along the orient diameter close to water distribution area.
5. hydraulic mixing anoxic pond biofilm reactor as described in claim 4, it is characterised in that: reaction zone is in " rotary table "
The angle of its bus of the part of shape and reactor body side wall is 30 °~45 °.
6. hydraulic mixing anoxic pond biofilm reactor as described in claim 4, it is characterised in that: the water distribution area is in
" cylinder " shape, diameter are identical as one end of reaction zone towards water distribution area.
7. hydraulic mixing anoxic pond biofilm reactor as described in claim 1, it is characterised in that: the effluent weir is surround
The setting of reaction zone inner wall, including effluent weir side wall and effluent weir bottom plate.
8. hydraulic mixing anoxic pond biofilm reactor as described in claim 7, it is characterised in that: the effluent weir bottom plate
Angle with reactor body side wall is 120 °~150 °.
9. hydraulic mixing anoxic pond biofilm reactor as described in claim 1, it is characterised in that: the deflector is class
Cylindrical structure is fixed on reactor body inner wall by strengthening muscle.
10. hydraulic mixing anoxic pond biofilm reactor as described in claim 3, it is characterised in that: the first circulation
System and the connectivity part of reaction zone are equipped with the block that mesh aperture is less than floating stuffing outer diameter；The second circulation system with react
Connectivity part of the area close to water distribution area side is equipped with the block that mesh aperture is less than floating stuffing outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745382.3A CN110372092B (en) | 2019-08-13 | 2019-08-13 | Hydraulic stirring anoxic tank biomembrane reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745382.3A CN110372092B (en) | 2019-08-13 | 2019-08-13 | Hydraulic stirring anoxic tank biomembrane reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110372092A true CN110372092A (en) | 2019-10-25 |
| CN110372092B CN110372092B (en) | 2024-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910745382.3A Active CN110372092B (en) | 2019-08-13 | 2019-08-13 | Hydraulic stirring anoxic tank biomembrane reactor |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111087070A (en) * | 2019-12-11 | 2020-05-01 | 博天环境科技（天津）有限公司 | Sewage treatment device and sewage purification method |
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| US20120138527A1 (en) * | 2010-12-06 | 2012-06-07 | Nanjing University | Integrated bioreactor and method of using the same for treatment of highly-concentrated organic wastewater |
| CN203021355U (en) * | 2012-12-20 | 2013-06-26 | 华北制药集团环境保护研究所 | Upflow mixed type anaerobic biological membrane reactor |
| 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 |
| CN208218505U (en) * | 2018-03-26 | 2018-12-11 | 哈尔滨工业大学 | A kind of drop flow type anaerobe membrane reactor |
| CN109110921A (en) * | 2018-10-09 | 2019-01-01 | 浙江海拓环境技术有限公司 | A kind of waste water denitrification denitrogenation reactor |
| CN210710931U (en) * | 2019-08-13 | 2020-06-09 | 中冶赛迪技术研究中心有限公司 | Hydraulic stirring anoxic tank biofilm reactor |
-
2019
- 2019-08-13 CN CN201910745382.3A patent/CN110372092B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120138527A1 (en) * | 2010-12-06 | 2012-06-07 | Nanjing University | Integrated bioreactor and method of using the same for treatment of highly-concentrated organic wastewater |
| CN203021355U (en) * | 2012-12-20 | 2013-06-26 | 华北制药集团环境保护研究所 | Upflow mixed type anaerobic biological membrane reactor |
| 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 |
| CN208218505U (en) * | 2018-03-26 | 2018-12-11 | 哈尔滨工业大学 | A kind of drop flow type anaerobe membrane reactor |
| CN109110921A (en) * | 2018-10-09 | 2019-01-01 | 浙江海拓环境技术有限公司 | A kind of waste water denitrification denitrogenation reactor |
| CN210710931U (en) * | 2019-08-13 | 2020-06-09 | 中冶赛迪技术研究中心有限公司 | Hydraulic stirring anoxic tank biofilm reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111087070A (en) * | 2019-12-11 | 2020-05-01 | 博天环境科技（天津）有限公司 | Sewage treatment device and sewage purification method |
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| CN110372092B (en) | 2024-07-09 |
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