CN200999217Y - Composite membrane bioreactor - Google Patents
Composite membrane bioreactor Download PDFInfo
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- CN200999217Y CN200999217Y CNU2007201200903U CN200720120090U CN200999217Y CN 200999217 Y CN200999217 Y CN 200999217Y CN U2007201200903 U CNU2007201200903 U CN U2007201200903U CN 200720120090 U CN200720120090 U CN 200720120090U CN 200999217 Y CN200999217 Y CN 200999217Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
A complex film bio-reactor used for treating the domestic sewage, the municipal sewage and the industrial wastewater; such bio-reactor comprises two paralleled guide walls. One end of the first guide wall is connected with the inner wall of the complex film bio-reactor, while the other end thereof is separated. Both ends of the second guide wall is separated from those of the complex film bio-reactor, so that the inner chamber of the complex film bio-reactor is divided into three baffling type channels of which the direction of flow are opposite. The water inlet pipe is connected with the first water flowing channel via the water distribution lattice wall; the fixed type bio-membrane carrier stuff is arranged in the first and the second water flowing channels; the third water flowing channel is arranged with the flatbed membrane module of which the drain pipes are available. The first water flowing channel is provided with the agitator; the third water flowing channel is provided with horizontal plug-flow device. The second and third water flowing channels are equipped with the aerator which can improve the biological treatment efficiency and decreases the mire yield as well as effectively removes organic matter, nitrogen, phosphorus, pathogenic bacteria, virus and pathogen protozoon, so that the treated water can be directly used for landscape, car washing, toilet cleaning and groundwater replenishing, etc.
Description
Technical field
The utility model relates to sewage disposal device, relates in particular to a kind of regeneration that is used for sanitary sewage, municipal effluent, trade effluent and uses the hybrid mbr of handling (or claiming tertiary treatment) with recovery again.
Background technology
Now, how economical, handle sanitary sewage, municipal effluent, trade effluent and make it reach strict emission control standards efficiently, be that water environment protection, water resources are safeguarded and one of important means of utilizing again.A kind of common equipment one membrane bioreactor (MBR) of existing sewage disposal is to load tubular fibre formula or flat microfiltration membrane or hyperfiltration membrane assembly in the whole volumes of reaction tank, and in high activated sludge concentration (MLSS) operation down.Under suitable aeration intensity, can make the film surface obtain washing away of appropriateness and keep certain filtration flux, can make activated sludge particles form aerobic/hypoxic/anaerobic layer to internal layer from the surface again, correspondingly existence has aerobic, facultative and the anerobe population, thus the various organic compound that exist in the degradation of sewage effectively.Pass through the pollutent of carbon containing, nitrogen, phosphorus simultaneously to biomembranous infiltration on activated sludge particles and the film surface, make its degraded that is subjected to the different genera bacterium and assimilation, also ammonification, nitrification and denitrification can take place, thereby can remove organonitrogen, ammonia nitrogen, nitrate nitrogen and total nitrogen, biological phosphate-eliminating (mainly being to remove by participating in the synthetic of the new cell of bacterium) to a certain degree also can take place.
But, the membrane bioreactor of this pattern, its film surface is easy to be stopped up by active sludge, especially by wherein bacterium secretory product polyose adhesion obstruction, makes sewage cross membrane flux and reduces significantly.Have a strong impact on its normal operation.And this prototype MBR, can not remove ammonia nitrogen, total nitrogen and total phosphorus efficiently.The membrane bioreactor that for this reason must research and development can efficiently remove organism, nitrogen and phosphorus simultaneously.
The utility model content
The purpose of this utility model is in order to solve the sludge treatment in the above-mentioned sewage disposal and the technical problem of disposal, to provide a kind of and can reduce the output of mud and the Sewage treatment systems of quantity discharged as far as possible.
For addressing the above problem, technical solutions of the utility model are to propose a kind of hybrid mbr, it comprises the two sides training wall that be arranged in parallel along the water body flow direction, wherein an end of first training wall is connected with the hybrid mbr inwall and the other end separates, the two ends of second training wall separate with the two ends of hybrid mbr respectively, thereby the inner chamber of hybrid mbr are separated into first, second and the 3rd deflector type that water (flow) direction is opposite crossed the water gallery; One water inlet pipe is crossed the water gallery by a water distribution tracery wall and described first and is communicated with; Described first, second crossed and is provided with fixed type biological membrane carrier filler in the water gallery, and the 3rd crosses and to be provided with plate type membrane assembly in the water gallery and to be distributed in the plate type membrane assembly and water shoot outside conducting; Described first is evenly equipped with agitator in the water gallery excessively, and the described the 3rd is evenly equipped with horizontal impeller in the water gallery excessively; Described second, third crossed water gallery bottom and is provided with the aerator group along water (flow) direction.
The described width that first, second crosses the water gallery equates that the width of the 3rd mistake water gallery is that two of the first mistake water width of corridor is accompanied.
Described aerator group is the micro-hole aerator group, the micropore aeration pipe of micro-hole aerator group along second cross the water width of corridor half lay, the micro-hole aerator group lays along the 3rd both sides of crossing the water width of corridor, second crosses the water gallery lays the density of micro-hole aerator group and crosses the density of the equidirectional laying of water gallery less than the 3rd along water (flow) direction.
Described fixed type biological membrane carrier filler is that the soft biofilm carrier filler of synthetic fabrics that specific surface area is big, tack is good, described membrane module are flat micro-filtration membrane module or polysulfone hollow fiber ultrafiltration membrane system.
The described the 3rd bottom of crossing water gallery end is provided with a mud submersible pump, and this mud submersible pump is communicated with described first origin or beginning of crossing the water gallery by dredging tube and mud distribution pipe.
The described the 3rd crosses water gallery limit is provided with the diatomite throwing device.
The utility model mainly contains following advantage:
1), flat microfiltration membrane or polysulfone hollow fiber ultrafiltration membrane system only are installed in the 3rd and cross water gallery (aeration aerobic zone), and cross water gallery (pre-oxygen-starved area, anaerobic zone and oxygen-starved area) filter membrane component is not installed at first, second, only load the biofilm carrier filler, so that when disposing of sewage, form microbial film on its surface, increase biomass, species diversity and long food chain, to improve biological treatment usefulness and to reduce sludge yield.Load in the oxygen-starved area of filling filler and the removal that anaerobic zone is born most of organic removal load and total nitrogen and total phosphorus like this, thereby significantly alleviated the load of membrane bioreactor district (the 3rd crosses the water gallery).Prolong its life cycle and life-span, can significantly reduce the replacing amount of the consumption and the filter membrane component of chemical agent, can save the running maintenance expense significantly thus.
2), cross the water gallery the 3rd horizontal impeller and sludge reflux pump be housed, can realize the backflow of the partial reflux and the active sludge of nitrated water outlet, can significantly improve the efficient of denitrification denitrogenation and biological phosphate-eliminating.
3), on reactor bottom one half-width, lay the swirling motion that aerating system can form the water-gas mixing liquid in transverse section, add the waterpower plug-flow of water (flow) direction, forming water-bubble mixture spirrillum flows, thereby air filled cavity is repeatedly entered repeatedly increase in the water chance that they contact and react with pollutent, improve the utilization ratio of oxygen, saved power consumption about 30% thus.
4), add the precoated layer flocculating aids of diatomite, the minimizing that can significantly slow down membrane flux, the membrane flux excessively that the long term maintenance is bigger as membrane module.Improve the sewage disposal flow of membrane bioreactor, improve it and remove the efficient of polluting, and prolong its life cycle and life-span.Diatomite can also remove dephosphorization efficiently, and membrane permeation water outlet total phosphorus simulated altitude reaches 0.1mg/L～0.5mg/L.
5), sludge yield and output seldom, only be 0.1g dewatered sludge (MLVSS)/Δ gBOD
5, sustainable half a year～1 year does not efflux mud.And the mud of discharging is easy to dehydration, and its dewatered sludge water ratio hangs down and reaches 65%～70% (belt press filtration or centrifuge dehydration).
6), the utility model can be removed bacterium and the colibacillus in the sewage efficiently, its clearance reaches (5～6) log or 99.999%～99.9999% (when using micro-filtration membrane module) and (6～7) log, or 99.9999%～99.99999% (when using hyperfiltration membrane assembly), membrane permeation delivery turbidity＜1NTU, total plate count≤10
2Cfu/mL, fecal coliform≤3/L; Also can remove virus and pathogeny protozoon (parasitic ovum) efficiently, water outlet needn't be sterilized again, can directly do multiple use, as landscape water, carwash, water spill the greenery patches, flush the toilet, the additional underground water of re-injection etc.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further, wherein:
Fig. 1 is the process flow sheet of the utility model preferred embodiment;
Fig. 2 embodies the synoptic diagram of plate type membrane assembly for Fig. 1;
Fig. 3 be among Fig. 1 D-D to sectional view;
Fig. 4 be among Fig. 1 A-A to sectional view;
Fig. 5 be among Fig. 1 B-B to sectional view;
Fig. 6 be among Fig. 1 C-C to sectional view.
Embodiment
Fig. 1 shows the technical process of the utility model preferred embodiment, and described hybrid mbr (Hybrid MBR) is 4 segmentation (A
3/ O) hybrid mbr promptly is followed successively by pre-anoxic section 011, anaerobism section 012, anoxic section 02 and aerobic section 03 from front to back.It comprises along water body and flows to the two sides training wall 1,2 be arranged in parallel, and wherein the left end of first training wall 1 is connected with the hybrid mbr inwall and right-hand member and hybrid mbr inwall separate.The two ends of second training wall 2 separate with the two ends inwall of hybrid mbr respectively, thereby the inner chamber of hybrid mbr is separated into first, second and the 3rd deflector type that water (flow) direction is opposite crossed water gallery 01,02,03, so that provide sewage fully to react the space of purification.First water inlet (left side) end of crossing water gallery 01 passes through a water inlet pipe 3 and is communicated with through pretreated water outlet.First crosses that evenly equidistant (from left to right) is provided with pre-anoxic section 011, anaerobism section 012 in the water gallery 01, its pre-anoxic section 011 feed-water end respective inner walls face place is provided with water distribution tracery wall 4, and the sewage that enters from water inlet pipe 3 can evenly flow in the first mistake water gallery 01 lentamente along this water distribution tracery wall.The second mistake water gallery 02 is 012 conducting of anoxic Duan Bingyu anaerobism section.Connection second the 3rd mistake water gallery 03 of water gallery excessively is an aerobic section.First, second is crossed and is provided with fixed type biological membrane carrier filler 5 in the water gallery 01,02, the soft biofilm carrier filler of the synthetic fabrics that the most handy specific surface area is big, tack is good (consulting Fig. 5), the 3rd is provided with flat micro-filtration membrane module or polysulfone hollow fiber ultrafiltration membrane system 6 (consulting Fig. 2, Fig. 6) in the water gallery 03 excessively, and this membrane module is distributed with the water shoot 7 with outside conducting.First crosses in the water gallery 01 one or more submersible agitator 8 (consulting Fig. 4) can be set as required, and the sewage that is used to make inflow and mud fully contact with microbial film on the filler and carries out biological respinse.In the present embodiment, first, second width of crossing water gallery 01,02 equates that the width of the 3rd mistake water gallery 03 is the twice (consulting Fig. 3) of the first mistake water gallery, 01 width.Second, third is crossed water gallery 02,03 bottom and is provided with micro-hole aerator group 10 along water (flow) direction, and these micro-hole aerator groups are communicated with by the gas station of blast main 15 with the outside.Second crosses water gallery 02 crosses the density of water gallery 03 equidirectional laying along the density of water (flow) direction laying micro-hole aerator group less than the 3rd.The micropore aeration pipe of micro-hole aerator group is laid along second half that cross water gallery 02 width, so that keep anoxic condition (to keep DO≤0.5mg/L), so that carry out denitrification when operation in the sewage at this gallery; The micro-hole aerator group is laid along the 3rd both sides of crossing water gallery 03 width, the total width that micropore aeration pipe is laid is about half of the 3rd mistake water gallery 03 width, to form spirrillum waterpower plug-flow fluidised form, make it have higher coefficient of oxygen utilization and to the scouring force on film surface, and make wherein the sewage and the mixed solution of active sludge keep higher dissolved oxygen concentration (DO 〉=4mg/L), carry out the aerobe reaction, comprise the processes such as excess ingestion of the nitrated and polyP bacteria of organic degraded and assimilation, ammonia nitrogen phosphorus.The micro-hole aerator group that half-width is laid at the bottom of the pond, can form the swirling motion of the water-gas mixing liquid in water gallery transverse section, add the waterpower plug-flow of water (flow) direction, form spirrillum water body fluidised form, thereby air filled cavity is repeatedly entered repeatedly increase in the water chance that they contact and react with pollutent, improved the utilization ratio of oxygen.The described the 3rd is evenly equipped with horizontal impeller 9 in the water gallery 03 excessively, because the two ends, training wall 2 left and right sides between the second and the 3rd mistake water gallery are opening all, pass through the running of this horizontal impeller during operation, make the 3rd nitrated water outlet of crossing water gallery 03 end carry out partial discharge internal reflux to the second and cross water gallery 02, carry out anti-nitration reaction, can remove total nitrogen effectively.In the 3rd bottom of crossing water gallery 03 end (right side) end mud submersible pump 11 has been installed also, this mud submersible pump is communicated with described first origin or beginning of crossing water gallery 01 by dredging tube 12 and mud distribution pipe 13, in order to mud is transported to the origin or beginning of the first mistake water gallery, carry out denitrification denitrogenation and denitrification picked-up phosphorus in pre-oxygen-starved area 011; Enter anaerobic zone 012 then and carry out anaerobism release phosphorus.Enter the second mistake water gallery then and carry out anoxic picked-up phosphorus and the aerobic excess ingestion phosphorus of the 3rd gallery.
At run duration, also can cross in the water gallery 03 toward the 3rd and add diatomite by diatomite throwing device 14, microfiltration membrane (or ultra-filtration membrane) is played precoated layer and filtrating aid function, the decline that can significantly slow down membrane flux keeps the higher membrane flux of crossing for a long time.In addition, diatomite adsorption and dephosphorization efficiently.By the dual function of biological phosphate-eliminating and diatomite adsorption and dephosphorization, can make membrane permeation water outlet total phosphorus simulated altitude reach 0.1mg/L～0.5mg/L.
The utility model can improve biological treatment usefulness and reduce sludge yield, saves the running maintenance expense significantly and prolongs life cycle and life-span.Can also remove virus and pathogeny protozoon efficiently, water outlet can be directly as landscape water, carwash, water spill the greenery patches, flush the toilet, the additional underground water of re-injection etc.
Claims (6)
1, a kind of hybrid mbr, it is characterized in that, comprise along water body and flow to the two sides training wall (1,2) that be arranged in parallel, wherein an end of first training wall (1) is connected with the hybrid mbr inwall and the other end separates, the two ends of second training wall (2) separate with the two ends of hybrid mbr respectively, thereby the inner chamber of hybrid mbr are separated into first, second and the 3rd deflector type that water (flow) direction is opposite crossed water gallery (01,02,03); One water inlet pipe (3) is crossed water gallery (01) by a water distribution tracery wall (4) and described first and is communicated with; Described first, second crossed in the water gallery (01,02) and is provided with fixed type biological membrane carrier filler (5), and the 3rd crosses and to be provided with plate type membrane assembly (6) in the water gallery (03) and to be distributed in the plate type membrane assembly and water shoot outside conducting (7); Described first is evenly equipped with agitator (8) in the water gallery (01) excessively, and the described the 3rd is evenly equipped with horizontal impeller (9) in the water gallery (03) excessively; Described second, third crossed water gallery (02,03) bottom and is provided with aerator group (10) along water (flow) direction.
2, hybrid mbr as claimed in claim 1 is characterized in that, the described width that first, second crosses water gallery (01,02) equates that the width of the 3rd mistake water gallery (03) is that two of first mistake water gallery (01) width is accompanied.
3, hybrid mbr as claimed in claim 2, it is characterized in that, described aerator group (10) is the micro-hole aerator group, the micropore aeration pipe of this micro-hole aerator group is laid along the 3rd both sides of crossing water gallery (03) width along second half laying, the micro-hole aerator group of crossing water gallery (02) width, and second crosses water gallery (02) crosses the density of the equidirectional laying of water gallery (03) along the density of water (flow) direction laying micro-hole aerator group less than the 3rd.
4, hybrid mbr as claimed in claim 3, it is characterized in that, described fixed type biological membrane carrier filler (5) is the soft biofilm carrier filler of synthetic fabrics that specific surface area is big, tack is good, and described membrane module (6) is flat micro-filtration membrane module or polysulfone hollow fiber ultrafiltration membrane system.
5, hybrid mbr as claimed in claim 4, it is characterized in that, the described the 3rd crosses the terminal bottom of water gallery (03) is provided with a mud submersible pump (11), and this mud submersible pump is communicated with described first origin or beginning of crossing water gallery (01) by dredging tube (12) and mud distribution pipe (13).
6, hybrid mbr as claimed in claim 5 is characterized in that, the described the 3rd crosses water gallery (03) limit is provided with diatomite throwing device (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201200903U CN200999217Y (en) | 2007-05-16 | 2007-05-16 | Composite membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201200903U CN200999217Y (en) | 2007-05-16 | 2007-05-16 | Composite membrane bioreactor |
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| CN200999217Y true CN200999217Y (en) | 2008-01-02 |
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| CNU2007201200903U Expired - Fee Related CN200999217Y (en) | 2007-05-16 | 2007-05-16 | Composite membrane bioreactor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503045A (en) * | 2011-11-19 | 2012-06-20 | 广州大学 | Biomembrane sewage processing method |
| CN102633408A (en) * | 2012-04-23 | 2012-08-15 | 中国水电顾问集团中南勘测设计研究院 | Biochemical pre-treatment type membrane biological reaction sewage treatment device and method |
| CN103058290A (en) * | 2012-12-28 | 2013-04-24 | 同济大学 | Water purifying method for intercepting microfaunas through microporous filtering |
| WO2013063853A1 (en) * | 2011-11-04 | 2013-05-10 | 同济大学 | Wastewater disposal method using two-way oxygen supply horizontal-flow biofilm and equipment thereof |
| CN105293834A (en) * | 2015-11-25 | 2016-02-03 | 成都泰之源环保科技有限公司 | Integrated iods reactor |
| CN106110717A (en) * | 2016-08-10 | 2016-11-16 | 云南驰宏锌锗股份有限公司 | A kind of ore dressing water treatment system with regulation and impurity sedimentation concentration one |
| CN107635455A (en) * | 2015-04-03 | 2018-01-26 | 格勒诺布尔-阿尔卑斯大学 | Implantable intestines reactor |
| CN112551828A (en) * | 2020-12-24 | 2021-03-26 | 华夏碧水环保科技有限公司 | Low-carbon-nitrogen-ratio rural domestic sewage treatment device and treatment process thereof |
| CN112919725A (en) * | 2019-12-06 | 2021-06-08 | 湖南金益环保股份有限公司 | High-concentration oily wastewater treatment process |
-
2007
- 2007-05-16 CN CNU2007201200903U patent/CN200999217Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063853A1 (en) * | 2011-11-04 | 2013-05-10 | 同济大学 | Wastewater disposal method using two-way oxygen supply horizontal-flow biofilm and equipment thereof |
| US9957177B2 (en) | 2011-11-04 | 2018-05-01 | Tongji University | Wastewater treatment method and equipment using a dual-diffusion oxygen supply horizontal-flow biofilm |
| CN102503045A (en) * | 2011-11-19 | 2012-06-20 | 广州大学 | Biomembrane sewage processing method |
| CN102633408A (en) * | 2012-04-23 | 2012-08-15 | 中国水电顾问集团中南勘测设计研究院 | Biochemical pre-treatment type membrane biological reaction sewage treatment device and method |
| CN103058290A (en) * | 2012-12-28 | 2013-04-24 | 同济大学 | Water purifying method for intercepting microfaunas through microporous filtering |
| CN107635455A (en) * | 2015-04-03 | 2018-01-26 | 格勒诺布尔-阿尔卑斯大学 | Implantable intestines reactor |
| CN105293834A (en) * | 2015-11-25 | 2016-02-03 | 成都泰之源环保科技有限公司 | Integrated iods reactor |
| CN106110717A (en) * | 2016-08-10 | 2016-11-16 | 云南驰宏锌锗股份有限公司 | A kind of ore dressing water treatment system with regulation and impurity sedimentation concentration one |
| CN112919725A (en) * | 2019-12-06 | 2021-06-08 | 湖南金益环保股份有限公司 | High-concentration oily wastewater treatment process |
| CN112551828A (en) * | 2020-12-24 | 2021-03-26 | 华夏碧水环保科技有限公司 | Low-carbon-nitrogen-ratio rural domestic sewage treatment device and treatment process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20110516 |