CN107739087A - One kind vortex membrane bioreactor pollution control device - Google Patents
One kind vortex membrane bioreactor pollution control device Download PDFInfo
- Publication number
- CN107739087A CN107739087A CN201711043822.8A CN201711043822A CN107739087A CN 107739087 A CN107739087 A CN 107739087A CN 201711043822 A CN201711043822 A CN 201711043822A CN 107739087 A CN107739087 A CN 107739087A
- Authority
- CN
- China
- Prior art keywords
- membrane bioreactor
- vortex
- deflector
- diaphragm area
- aeration head
- 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
- 239000012528 membrane Substances 0.000 title claims abstract description 67
- 238000005273 aeration Methods 0.000 claims abstract description 45
- 238000010992 reflux Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000005276 aerator Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 8
- 238000007790 scraping Methods 0.000 abstract description 2
- 238000003911 water pollution Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004065 wastewater treatment 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
- C02F3/1273—Submerged membrane bioreactors
-
- 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
- C02F2209/03—Pressure
-
- 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
- C02F2209/22—O2
-
- 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
- C02F2209/38—Gas flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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)
- 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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention discloses a kind of vortex membrane bioreactor pollution control device, it is characterized in that including being vortexed casing, membrane bioreactor structure, aerator and nitrification liquid reflux, the vortex box house has deflector, deflector is divided into aerobic zone and diaphragm area by casing is vortexed, deflector upper end is less than liquid level lower end higher than vortex bottom half, the membrane bioreactor structure includes membrane bioreactor, outlet conduit, pressure gauge and suction pump, the aerator includes aeration head, aeration pump, aerating pipelines and gas flow controller, the nitrification liquid reflux includes refluxing opening, reflux line and nitrification liquid reflux pump.The present invention uses aerator, by changing region aeration intensity, forms vortex suitable, counterclockwise, and two-way scraping is carried out to film surface, so as to reach the purpose for reducing fouling membrane, is adapted in sewage-treatment plant with being used in water pollution control device.
Description
Technical field
The present invention relates to membrane bioreactor pollution control device field, and it is dirty to particularly belong to a kind of vortex membrane bioreactor
Contaminate control device.
Background technology
Membrane bioreactor (MBR) be membrane separation technique is combined with biologic treating technique and developed it is a kind of new
Sewage disposal technology.MBR can not only utilize biological treatment process to realize the degraded of various organic matters, and can utilize
The efficient cutoff performance of film fully retains sludge and pollutant, instead of the second pond in traditional waste water treatment process, realizes
Being kept completely separate for SRT (sludge retention time) and HRT (water conservancy residence time), enhances biological treatment process, so as to significantly
Degree improves effluent quality.Compared with traditional sewage treatment process, MBR has that separation of solid and liquid is good, sludge yield is low, sludge concentration
High, the small advantage of floor space, be widely used in handling municipal wastewater, industrial wastewater etc. in recent years, in sewage disposal sewage and
Recycling field has great development prospect.
But there is problems with membrane bioreactor when in use：1. membrane structure involves great expense in membrane bioreactor；
2. membrane bioreactor long-term use wherein membrane structure can adsorb various pollutants matter, membrane bioreactor sewage treatment is caused to imitate
Rate reduces.A kind of vortex membrane bioreactor pollution control device is provided for this present invention.
The content of the invention
The present invention provides a kind of vortex membrane bioreactor pollution control device, and solve to mention in above-mentioned background technology asks
Topic.
The technical solution adopted by the present invention is as follows to achieve the above object：
One kind vortex membrane bioreactor pollution control device, it is characterised in that including vortex casing, membrane bioreactor
Structure, aerator and nitrification liquid reflux, the vortex box house have deflector, and deflector is divided into casing is vortexed
Oxygen area and diaphragm area, deflector upper end include less than liquid level lower end higher than vortex bottom half, the membrane bioreactor structure
Membrane bioreactor, outlet conduit, pressure gauge and suction pump, membrane bioreactor are arranged on diaphragm area, and outlet conduit is given birth to film
In succession, pressure gauge, suction pump are arranged on outlet conduit thing reactor, and pressure gauge is located at suction pump front end, the aerator
Including aeration head, aeration pump, aerating pipelines and gas flow controller, aeration head connects positioned at vortex bottom half, aerating pipelines
Even aeration head and aeration pump, gas flow controller are arranged on aerating pipelines and are located at aeration pump front end, and the nitrification liquid returns
Stream device includes refluxing opening, reflux line and nitrification liquid reflux pump, and refluxing opening is located in aerobic zone, reflux line refluxing opening in succession
With nitrification liquid reflux pump, during membrane bioreactor structure operation, gas flow controller increase diaphragm area aeration head flow, reduce
Aerobic zone aeration head flow, aerobic zone current enter diaphragm area by deflector bottom, and diaphragm area current are entered by deflector top
Aerobic zone, counterclockwise vortex flow, counterclockwise vortex flow are formed plus nitrification liquid reflux and membrane bioreactor structure swabbing action
Cleaning is scraped from the bottom to top to membrane bioreactor with diaphragm area aeration head collective effect, and membrane bioreactor structure decommissions
When, gas flow controller reduces diaphragm area aeration head flow, increases aerobic zone aeration head flow, aerobic zone water is by deflector
Side enters diaphragm area, and diaphragm area current form vortex clockwise, vortex is given birth to film clockwise by entering aerobic zone below deflector
Thing reactor from top to bottom scrapes cleaning.
Membrane structure uses PVDF bundle fiber films in the membrane bioreactor, and membrane flux is 15L/ (m2·h)。
The aeration tube road and gas flow controller share two groups, one group of aerating pipelines, gas flow controller with it is good
In succession, another group of aerating pipelines, gas flow controller and diaphragm area aeration head are in succession for oxygen area aeration head.
Compared with the prior art, beneficial effects of the present invention are as follows：
The present invention is excellent by being carried out to vortex casing, membrane bioreactor structure, aerator and nitrification liquid reflux
Choosing design combination, into one kind be vortexed membrane bioreactor pollution control device, solve membrane bioreactor when in use exist with
Lower problem：1. membrane structure involves great expense in membrane bioreactor；2. membrane bioreactor long-term use wherein membrane structure can be adsorbed
Various pollutants matter, cause the reduction of membrane bioreactor sewage treatment efficiency.The present invention uses aerator, by changing region
Aeration intensity, vortex suitable, counterclockwise is formed, two-way scraping is carried out to film surface, so as to reach the purpose for reducing fouling membrane, fitted
Close in sewage-treatment plant with being used in water pollution control device.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention (arrow represents water (flow) direction in figure)；
Counterclockwise vortex flow when Fig. 2 is membrane bioreactor structure operation (arrow represents water (flow) direction in figure)；
Fig. 3 is to be vortexed clockwise when membrane bioreactor structure stops (arrow represents water (flow) direction in figure).
Embodiment
Referring to accompanying drawing:One kind vortex membrane bioreactor pollution control device, it is characterised in that including vortex casing (1),
Membrane bioreactor structure (2), aerator (4) and nitrification liquid reflux (5), the vortex casing (1) is internal water conservancy diversion
Plate (7), deflector (7) will be vortexed casing (1) and be divided into aerobic zone (6) and diaphragm area (3), and deflector (7) upper end is less than under liquid level
End includes membrane bioreactor (204), outlet conduit higher than vortex casing (1) bottom, the membrane bioreactor structure (2)
(203), pressure gauge (202) and suction pump (201), membrane bioreactor (204) are arranged on diaphragm area (3), outlet conduit (203)
With membrane bioreactor (204) in succession, pressure gauge (202), suction pump (201) are arranged on outlet conduit (203), pressure gauge
(202) it is located at suction pump (201) front end, the aerator (4) includes aeration head (402), aeration pump (404), aerating pipelines
(401) exposed in succession positioned at vortex casing (1) bottom, aerating pipelines (401) with gas flow controller (403), aeration head (402)
Gas head (402) and aeration pump (404), gas flow controller (403) are arranged on aerating pipelines (401) and are located at aeration pump
(404) front end, the nitrification liquid reflux (5) include refluxing opening (501), reflux line (502) and nitrification liquid reflux pump
(503), refluxing opening (501) is located in aerobic zone (6), reflux line (502) refluxing opening (501) and nitrification liquid reflux pump in succession
(503) when, membrane bioreactor structure (2) operates, gas flow controller (403) increase diaphragm area (3) aeration head (402) stream
Amount, reduces aerobic zone (6) aeration head (402) flow, and aerobic zone (6) current enter diaphragm area (3), film by deflector (7) bottom
Region (3) current enter aerobic zone (6) by deflector (7) top, plus nitrification liquid reflux (5) and membrane bioreactor knot
Structure (2) swabbing action forms counterclockwise vortex flow, and counterclockwise vortex flow is with diaphragm area (3) aeration head (402) collective effect to film biology
Reactor (204) scrapes cleaning, when membrane bioreactor structure (2) decommissions, gas flow controller (403) from the bottom to top
Diaphragm area (3) aeration head (402) flow is reduced, increases aerobic zone (6) aeration head (402) flow, aerobic zone (6) water is by deflector
(7) top enters diaphragm area (3), and diaphragm area (3) current form whirlpool clockwise by entering aerobic zone (6) below deflector (7)
Stream, it is vortexed cleaning is from top to bottom scraped to membrane bioreactor (204) clockwise.
Membrane structure uses PVDF bundle fiber films in the membrane bioreactor (204), and membrane flux is 15L/ (m2·h)。
The aeration tube road (401) shares two groups with gas flow controller (403), one group of aerating pipelines (401), gas
Flow controller (403) and aerobic zone (6) aeration head (402) in succession, another group of aerating pipelines (401), gas flow controller
(403) with diaphragm area (3) aeration head (402) in succession.
Claims (3)
1. one kind vortex membrane bioreactor pollution control device, it is characterised in that including vortex casing, membrane bioreactor knot
Structure, aerator and nitrification liquid reflux, the vortex box house have a deflector, deflector will be vortexed casing be divided into it is aerobic
Area and diaphragm area, deflector upper end include film less than liquid level lower end higher than vortex bottom half, the membrane bioreactor structure
Bioreactor, outlet conduit, pressure gauge and suction pump, membrane bioreactor are arranged on diaphragm area, outlet conduit and film biology
In succession, pressure gauge, suction pump are arranged on outlet conduit reactor, and pressure gauge is located at suction pump front end, the aerator bag
Aeration head, aeration pump, aerating pipelines and gas flow controller are included, aeration head is positioned at vortex bottom half, and aerating pipelines are in succession
Aeration head and aeration pump, gas flow controller are arranged on aerating pipelines and are located at aeration pump front end, the nitrification liquid backflow
Device includes refluxing opening, reflux line and nitrification liquid reflux pump, and refluxing opening is located in aerobic zone, reflux line in succession refluxing opening with
Nitrification liquid reflux pump, during membrane bioreactor structure operation, gas flow controller increase diaphragm area aeration head flow, reduce
Oxygen area aeration head flow, aerobic zone current enter diaphragm area by deflector bottom, and diaphragm area current are entered by deflector top
Oxygen area, counterclockwise vortex flow is formed plus nitrification liquid reflux and membrane bioreactor structure swabbing action, counterclockwise vortex flow with
Diaphragm area aeration head collective effect scrapes cleaning to membrane bioreactor from the bottom to top, and membrane bioreactor structure decommissions
When, gas flow controller reduces diaphragm area aeration head flow, increases aerobic zone aeration head flow, aerobic zone water is by deflector
Side enters diaphragm area, and diaphragm area current form vortex clockwise, vortex is given birth to film clockwise by entering aerobic zone below deflector
Thing reactor from top to bottom scrapes cleaning.
A kind of 2. vortex membrane bioreactor pollution control device according to claim 1, it is characterised in that the film life
Membrane structure uses PVDF bundle fiber films in thing reactor, and membrane flux is 15L/ (m2·h)。
A kind of 3. vortex membrane bioreactor pollution control device according to claim 1, it is characterised in that the aeration
Pipeline and gas flow controller share two groups, one group of aerating pipelines, gas flow controller and aerobic zone aeration head in succession, separately
One group of aerating pipelines, gas flow controller and diaphragm area aeration head are in succession.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043822.8A CN107739087A (en) | 2017-10-31 | 2017-10-31 | One kind vortex membrane bioreactor pollution control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043822.8A CN107739087A (en) | 2017-10-31 | 2017-10-31 | One kind vortex membrane bioreactor pollution control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107739087A true CN107739087A (en) | 2018-02-27 |
Family
ID=61233028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711043822.8A Pending CN107739087A (en) | 2017-10-31 | 2017-10-31 | One kind vortex membrane bioreactor pollution control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107739087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127976A (en) * | 2019-05-14 | 2019-08-16 | 厦门大学嘉庚学院 | The device and application method separated applied to aquaculture bed mud with breeding water body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374258A (en) * | 2002-03-15 | 2002-10-16 | 清华大学 | Stuffing-throwing fluidized bed membrane bioreactor and water treating method |
| JP2008155080A (en) * | 2006-12-21 | 2008-07-10 | Hitachi Ltd | Sewage treatment apparatus and its method |
| CN101293723A (en) * | 2008-06-24 | 2008-10-29 | 董文艺 | Advanced treatment method for sewage water and slurry-water rotational flow predissociation type membrane bioreactor |
| EP2143691A2 (en) * | 2008-07-11 | 2010-01-13 | Helmut Prieske | Membrane bioreactor and method for processing waste water |
| CN103214147A (en) * | 2013-04-16 | 2013-07-24 | 北京航空航天大学 | Oil-refining wastewater treatment method and device |
-
2017
- 2017-10-31 CN CN201711043822.8A patent/CN107739087A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374258A (en) * | 2002-03-15 | 2002-10-16 | 清华大学 | Stuffing-throwing fluidized bed membrane bioreactor and water treating method |
| JP2008155080A (en) * | 2006-12-21 | 2008-07-10 | Hitachi Ltd | Sewage treatment apparatus and its method |
| CN101293723A (en) * | 2008-06-24 | 2008-10-29 | 董文艺 | Advanced treatment method for sewage water and slurry-water rotational flow predissociation type membrane bioreactor |
| EP2143691A2 (en) * | 2008-07-11 | 2010-01-13 | Helmut Prieske | Membrane bioreactor and method for processing waste water |
| CN103214147A (en) * | 2013-04-16 | 2013-07-24 | 北京航空航天大学 | Oil-refining wastewater treatment method and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127976A (en) * | 2019-05-14 | 2019-08-16 | 厦门大学嘉庚学院 | The device and application method separated applied to aquaculture bed mud with breeding water body |
| CN110127976B (en) * | 2019-05-14 | 2024-04-12 | 厦门大学嘉庚学院 | Device applied to separation of aquaculture bottom mud and aquaculture water and application method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180227 |