CN107720951A - A kind of pure oxygen preaerator and its application method - Google Patents
A kind of pure oxygen preaerator and its application method Download PDFInfo
- Publication number
- CN107720951A CN107720951A CN201710939393.6A CN201710939393A CN107720951A CN 107720951 A CN107720951 A CN 107720951A CN 201710939393 A CN201710939393 A CN 201710939393A CN 107720951 A CN107720951 A CN 107720951A
- Authority
- CN
- China
- Prior art keywords
- pure oxygen
- preaerator
- fibre bundle
- aeration
- inlet pipe
- 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.)
- Pending
Links
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005273 aeration Methods 0.000 claims abstract description 33
- 238000001471 micro-filtration Methods 0.000 claims abstract description 31
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 238000005276 aerator Methods 0.000 claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 22
- 239000001301 oxygen Substances 0.000 claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000036828 Device occlusion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005406 washing 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/201—Perforated, resilient plastic diffusers, e.g. membranes, sheets, foils, tubes, hoses
-
- 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
Abstract
The invention provides a kind of pure oxygen preaerator and its application method, belong to technical field of sewage, for solving the problems, such as that oxygen transfer efficiency existing for traditional aerator is low and being aerated hole plug.The pure oxygen preaerator, it may be disposed on the water inlet pipe of aerobe reaction pond, the aeration fibre bundle assembly being made up of micropore microfiltration membranes is disposed with device, during use, pure oxygen is full of annular gas distribution pipe and aeration fibre bundle in communication by air inlet pipe, pure oxygen overflows into the water body of surrounding under high pressure effect by the micropore on microfiltration membranes surface afterwards, moisture film is readily penetrated through from the oxygen that micropore surface comes out under high pressure effect to enter in liquid, so as to avoid the generation of a large amount of bubbles, the transmission efficiency of oxygen is improved.It is additionally, since the device to be located on reaction tank water inlet pipe, is not contacted directly with the microorganism in reaction tank, so as to avoid microorganism aerator blockage problem caused by superficial growth, adds the service life of aerator.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of pure oxygen preaerator and its application method.
Background technology
Aerobic microbiological in biological reaction pool is mainly grown and bred using the organic matter in water and dissolved oxygen, water
The concentration of middle dissolved oxygen directly affects the treatment effeciency and clean-up effect of sewage.To improve the concentration of oxygen in water, increase
Coefficient of oxygen utilization, generally use means make it that bubble is broken small fine and closely woven, thus micro-pore aeration technology is widely popularized.However, hole
Footpath is thinner, easier by microorganism clogging, increases atmospheric pressure lost, reduces oxygen transfer efficiency.Moreover, it is arranged in biological respinse
The aerator in bottom of pond portion frequently results in the blocking of aerator due to the apposition growth of microorganism, influences the uniformity of aeration,
The service life of aerator is reduced, has become a common fault of sewage disposal.
The content of the invention
For water oxygen in biological reaction pool utilization ratio it is not high the problem of, the present invention provides a kind of pure oxygen preaeration dress
Put and its application method, avoid the generation of a large amount of bubbles, improve the transmission efficiency of oxygen, simultaneously because the device is positioned at reaction
On the water inlet pipe of pond, do not contact directly with the microorganism in reaction tank, exposed so as to avoid microorganism caused by superficial growth
Gas device blockage problem, add the service life of aerator.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of pure oxygen preaerator, including water inlet pipe, aerator, air inlet pipe and outlet pipe, the aerator include
It is aerated fibre bundle assembly, concentric reducing enlarged tube, annular gas distribution pipe and circular fixture, the aeration fibre bundle assembly one
End is fixed on annular gas distribution pipe, and the other end is fixed on circular fixture；The aeration fibre bundle assembly is included in annular
Uniform aeration fibre bundle on gas distribution pipe, every aeration fibre bundle are made up of multiple microfiltration membranes, and the microfiltration membranes surface is set
There is micropore.
Further, a diameter of 8~10mm of the aeration fibre bundle.
Further, described aeration fibre bundle assembly one end is fixedly connected by fibre bundle fixing device with air inlet pipe.
Further, the fibre bundle is annularly arranged in the inside of the aerator.
Further, the pure oxygen preaerator is arranged on the water inlet pipe of aerobe reaction pond.
Further, the aeration fibre bundle assembly is arranged in concentric reducing enlarged tube.
Further, the microfiltration membranes opening diameter is about 0.1 μm.
Present invention also offers the application method of foregoing pure oxygen preaerator, the application method comprises the following steps：
Step 1：The pure oxygen preaerator is installed on the water inlet pipe of aerobe reaction pond；
Step 2：Pure oxygen is full of annular gas distribution pipe and aeration fibre bundle in communication by air inlet pipe；
Step 3：Water inlet pipe water flowing, current pass through microfiltration membranes so that and it is low to be attached to the moisture film content on microfiltration membranes surface, from
The oxygen that the micropore on microfiltration membranes surface overflows penetrates the water body that moisture film enters surrounding under high pressure effect.
Compared with prior art, the beneficial effects of the present invention are：
First, pure oxygen preaerator of the invention is provided with aerator, wherein aerator bag between water inlet pipe and outlet pipe
Include aeration fibre bundle assembly, concentric reducing enlarged tube, annular gas distribution pipe and circular fixture enlarged tube；It is aerated tow groups
Part one end is fixed on annular gas distribution pipe, and the other end is fixed on circular fixture；The aeration fibre bundle assembly is included in ring
Uniform aeration fibre bundle on shape gas distribution pipe, every aeration fibre bundle are made up of multiple microfiltration membranes, and microfiltration membranes surface is provided with micropore.
When current around microfiltration membranes by when, be attached to that the moisture film on microfiltration membranes surface is very thin, the oxygen come out from micropore surface
Moisture film is readily penetrated through under high pressure effect to enter in liquid, so as to avoid the generation of a large amount of bubbles, improves the biography of oxygen
Pass efficiency.
2nd, pure oxygen preaerator of the invention may be provided on the water inlet pipe of aerobe reaction pond, not with reaction tank
Microorganism directly contacts, and so as to avoid microorganism aerator blockage problem caused by superficial growth, adds aerator
Service life, there is higher application value.
Brief description of the drawings
Fig. 1 is the structural representation of the pure oxygen preaerator of the embodiment of the present invention one；
Fig. 2 is Fig. 1 A-A cross-sectional views；
Fig. 3 is the connection that fibre bundle assembly and annular gas distribution pipe are aerated in the pure oxygen preaerator of the embodiment of the present invention one
Detail drawing.
In figure：1- water inlet pipes；2- air intake branches；3- annular gas distribution pipes；4- is aerated fibre bundle assembly；5- air inlet pipe；6- goes out
Water pipe；The concentric reducing enlarged tubes of 7-；8- aerators；9- circular fixtures；10- is aerated fibre bundle；11- fibre bundles fix dress
Put；12- component fixing devices；13- microfiltration membranes.
Embodiment
Below in conjunction with the drawings and specific embodiments to a kind of pure oxygen preaerator proposed by the present invention and its application method
It is described in further detail.According to following explanation, advantages and features of the invention will become apparent from.Below will be by cited real
Example combination accompanying drawing is applied, describes the technology contents and feature of the present invention in detail.It need to illustrate in addition, accompanying drawing use simplifies very much
Form and use non-accurately ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.For narration
It is convenient, described below " on ", " under " the upper and lower direction with accompanying drawing is consistent, but this can not turn into technical solution of the present invention
Limitation.
Embodiment one
Describe the structure composition of the pure oxygen preaerator of the present invention in detail with reference to Fig. 1 to Fig. 3.Refer to Fig. 1 extremely
Fig. 3, a kind of pure oxygen preaerator, including water inlet pipe 1, aerator 8, air inlet pipe 5 and outlet pipe 6, aerator 8 include aeration
Fibre bundle assembly 4, concentric reducing enlarged tube 7, air intake branch 2 and annular gas distribution pipe 3, aeration fibre bundle assembly 4 one end pass through
Fibre bundle fixing device 11 is fixed on annular gas distribution pipe 3, and the other end is fixed on circular fixture 9；Annular gas distribution pipe 3 is logical
Component fixing device 12 is crossed to be fixed in concentric reducing enlarged tube 7；Aeration fibre bundle assembly 4 includes a plurality of aeration being circular layout
Fibre bundle 10, every aeration fibre bundle 10 are enclosed with multiple microfiltration membranes 13, and the surface of microfiltration membranes 13 is provided with micropore.Therefore, by setting
The generation that aerator 8 avoids a large amount of bubbles is put, improves the transmission efficiency of oxygen, so as to improve the place of microbe treatment system
Manage efficiency.
It is preferred that in order to give full play to the effect of microfiltration membranes, bubble is reduced, is aerated a diameter of 8~10mm of fibre bundle 10,
The opening diameter of microfiltration membranes 13 is 0.1 μm.
It is preferred that in order to ensure the firmly installing property of aeration fibre bundle assembly 4, aeration fibre bundle assembly 4 one end passes through fibre
Dimension beam fixing device 11 is fixed on annular gas distribution pipe 3, and the other end is fixed on circular fixture 9.
Especially, in order to improve the concentration of oxygen in water, the utilization rate of oxygen is increased, microfiltration membranes 13 are in aerator 8
Portion annularly arranges.
Certainly, pure oxygen preaerator of the invention is arranged on the water inlet pipe of aerobe reaction pond, not with reaction tank
Microorganism directly contact, so as to play prevent aerator block effect.
Especially, it is aerated fibre bundle assembly 4 to be arranged in concentric reducing enlarged tube 7, so as to play reduction flow rate of water flow, keeps away
The effect exempted from excessively washing away for current and cause film wire to be broken.
Embodiment two
Please continue to refer to Fig. 1 to Fig. 3, present embodiment discloses a kind of application method of pure oxygen preaerator.The use
Method comprises the following steps：
Foregoing pure oxygen preaerator is installed on the water inlet pipe of aerobe reaction pond by step S1；
Step S2 pure oxygens are full of annular gas distribution pipe 3 and aeration fiber in communication by air inlet pipe 5 and air intake branch 2
Beam 10；
The water flowing of step S3 water inlet pipes 1, current pass through microfiltration membranes so that and it is low to be attached to the moisture film content on microfiltration membranes surface, from
The oxygen that the micropore on microfiltration membranes surface overflows penetrates the water body that moisture film enters surrounding under high pressure effect, a large amount of so as to avoid producing
Bubble, improve the transmission efficiency of oxygen.
That is, in use, pure oxygen by air inlet pipe 5 and air intake branch 2 full of annular gas distribution pipe 3 and in communication
Fibre bundle 10 is aerated, pure oxygen is overflowed into sewage under high pressure effect by the micropore on microfiltration membranes surface afterwards.Due to pure oxygen
Preaerator is arranged on the water inlet pipe of aerobe reaction pond, is not contacted directly with the microorganism in reaction tank, so as to avoid
Microorganism aerator blockage problem caused by superficial growth, add the service life of aerator.
In summary, compared with aerator to be arranged on to the form of bioreactor bottom at present, pure oxygen of the invention
Preaerator may be provided on the water inlet pipe of aerobe reaction pond, be furnished with what is be made up of micropore microfiltration membranes in pure oxygen preaerator
Be aerated fibre bundle, when current around microfiltration membranes by when, it is very thin to be attached to the moisture film on microfiltration membranes surface, from micropore surface
Oxygen out readily penetrates through moisture film under high pressure effect and entered in liquid, so as to avoid the generation of a large amount of bubbles, carries
The high transmission efficiency of oxygen.Further, since pure oxygen preaerator does not contact directly with the microorganism in reaction tank, so as to avoid
Microorganism aerator blockage problem caused by superficial growth.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (8)
- A kind of 1. pure oxygen preaerator, it is characterised in that including water inlet pipe, aerator, air inlet pipe and outlet pipe, the exposure Gas device includes aeration fibre bundle assembly, concentric reducing enlarged tube, annular gas distribution pipe and circular fixture, the aeration fiber Tread assembly one end is fixed on annular gas distribution pipe, and the other end is fixed on circular fixture；The aeration fibre bundle assembly bag Uniform aeration fibre bundle on annular gas distribution pipe is included, every aeration fibre bundle is made up of multiple microfiltration membranes, the micro-filtration Film surface is provided with micropore.
- 2. pure oxygen preaerator according to claim 1, it is characterised in that a diameter of the 8 of the aeration fibre bundle~ 10mm。
- 3. pure oxygen preaerator according to claim 1, it is characterised in that described aeration fibre bundle assembly one end passes through Fibre bundle fixing device is fixedly connected with air inlet pipe.
- 4. pure oxygen preaerator according to claim 1, it is characterised in that the fibre bundle is in the aerator Portion annularly arranges.
- 5. pure oxygen preaerator according to claim 1, it is characterised in that the pure oxygen preaerator is arranged at On oxygen biological reaction pool water inlet pipe.
- 6. pure oxygen preaerator according to claim 1, it is characterised in that the aeration fibre bundle assembly is arranged on institute State in concentric reducing enlarged tube.
- 7. pure oxygen preaerator according to claim 1, it is characterised in that the microfiltration membranes opening diameter is about 0.1 μ m。
- 8. the application method of the pure oxygen preaerator according to any one of claim 1 to 7, it is characterised in that including such as Lower step：Step 1：The pure oxygen preaerator is installed on the water inlet pipe of aerobe reaction pond；Step 2：Pure oxygen is full of annular gas distribution pipe and aeration fibre bundle in communication by air inlet pipe；Step 3：Water inlet pipe water flowing, current pass through microfiltration membranes so that it is low to be attached to the moisture film content on microfiltration membranes surface, from micro-filtration The oxygen that the micropore on film surface overflows penetrates the water body that moisture film enters surrounding under high pressure effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939393.6A CN107720951A (en) | 2017-10-11 | 2017-10-11 | A kind of pure oxygen preaerator and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939393.6A CN107720951A (en) | 2017-10-11 | 2017-10-11 | A kind of pure oxygen preaerator and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107720951A true CN107720951A (en) | 2018-02-23 |
Family
ID=61210160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710939393.6A Pending CN107720951A (en) | 2017-10-11 | 2017-10-11 | A kind of pure oxygen preaerator and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107720951A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954513A (en) * | 2017-10-17 | 2018-04-24 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pure oxygen preaerator and its application method |
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| US5674433A (en) * | 1995-08-24 | 1997-10-07 | Regents Of The University Of Minnesota | High efficiency microbubble aeration |
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| WO2013025375A2 (en) * | 2011-08-18 | 2013-02-21 | General Electric Company | Hollow fiber membrane module for use in a tubular pressure vessel |
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| CN203486975U (en) * | 2013-09-10 | 2014-03-19 | 中建中环工程有限公司 | Layering aeration pipeline for aeration device |
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| CN103864212A (en) * | 2014-03-18 | 2014-06-18 | 强成诚 | Micro-aeration filler biological membrane type wastewater treatment device |
| CN104876327A (en) * | 2015-04-17 | 2015-09-02 | 大连理工大学 | Folded plate membrane assembly for retarding membrane pollution in membrane bioreactor |
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| CN205653224U (en) * | 2016-05-26 | 2016-10-19 | 江苏国盛华清环保科技有限公司 | Bubble -free oxygen aeration ware |
| CN206033508U (en) * | 2016-08-30 | 2017-03-22 | 上海市政工程设计研究总院（集团）有限公司 | A high -efficient combination processing apparatus for hanging down raw water of organic matter content |
| CN208265849U (en) * | 2017-10-11 | 2018-12-21 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pure oxygen preaerator |
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2017
- 2017-10-11 CN CN201710939393.6A patent/CN107720951A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0671288A (en) * | 1992-06-09 | 1994-03-15 | Ngk Insulators Ltd | Diffuser |
| US5674433A (en) * | 1995-08-24 | 1997-10-07 | Regents Of The University Of Minnesota | High efficiency microbubble aeration |
| RU2451642C1 (en) * | 2010-12-07 | 2012-05-27 | Научно-производственная фирма с ограниченной ответственностью "Экополимер" | Aerator membrane |
| WO2013025375A2 (en) * | 2011-08-18 | 2013-02-21 | General Electric Company | Hollow fiber membrane module for use in a tubular pressure vessel |
| CN202576077U (en) * | 2012-02-27 | 2012-12-05 | 江苏凌志市政工程设计研究院有限公司 | Aerating device of aerobic pool for biological double-efficiency process |
| CN203421389U (en) * | 2013-08-01 | 2014-02-05 | 上海凯科管业有限公司 | Concentric different-diameter pipe formed by lengthening branch pipe of regular tee joint |
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| CN103864205A (en) * | 2014-03-18 | 2014-06-18 | 强成诚 | Micro-aeration biological film filler |
| CN103864212A (en) * | 2014-03-18 | 2014-06-18 | 强成诚 | Micro-aeration filler biological membrane type wastewater treatment device |
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| CN107954513A (en) * | 2017-10-17 | 2018-04-24 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pure oxygen preaerator and its application method |
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Application publication date: 20180223 |