CN205045882U - Dull and stereotyped membrane processing system of MBR - Google Patents
Dull and stereotyped membrane processing system of MBR Download PDFInfo
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- CN205045882U CN205045882U CN201520502518.5U CN201520502518U CN205045882U CN 205045882 U CN205045882 U CN 205045882U CN 201520502518 U CN201520502518 U CN 201520502518U CN 205045882 U CN205045882 U CN 205045882U
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- mbr
- pond
- flat sheet
- sheet membrane
- reactor
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a dull and stereotyped membrane processing system of MBR, it can reliably be purified waste water, and area is little simultaneously, and process is efficient. The utility model discloses in, sewage passes through the sewage pipe and passes through first anaerobism pond in proper order, second anaerobism pond, contact oxidation tank and MBR pond, be provided with oxidation pond aeration pipe in the contact oxidation tank, the MBR pond contains the MBR reactor, and the MBR reactor includes the dull and stereotyped membrane module of MBR, the dull and stereotyped membrane module of MBR contains parallel interval and sets up be used for filterable diaphragm in the MBR pond, the submergence of MBR reactor is in in the MBR pond, the clear water export of MBR reactor is through connecting the clean water pipe way, the bottom of the pool in MBR pond is provided with discharge pipeline, the last dredge pump of installing of discharge pipeline, the discharge pipeline intercommunication has the sewage back flow, the last mud collecting pipe that still is provided with of discharge pipeline, the mud collecting pipe is connected to the pressure filter of distal end.
Description
Technical field
The utility model relates to a kind of Sewage treatment systems, is specifically related to the system adopting filtering membrane to purify the carrying out containing organism sewage.
Background technology
The organic sewage of current oil-containing mostly adopts conventional activated sludge process to purify, conventional activated sludge method can remove 95% suspended solids and can biochemical organism, but effluent quality depends on the hydraulics of settling tank and the settling property of mud to a great extent, water outlet suspended sediment concentration when running better is 20 ~ 30mg/L; When running bad, in water outlet, suspended sediment concentration rises, and can carry a large amount of SS (in water quality suspended substance), affect effluent quality; During operation conditions severe exacerbation (sludge bulking) cause active sludge to leak in a large number especially, system be tending towards collapse.Therefore, need the abundant separation that the settling tank designing large volume is muddy water to provide enough residence time, particularly all the more so to the sewage that water inlet fluctuation is large.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, and provide a kind of MBR flat sheet membrane treatment system, it can reliably be purified waste water, and floor space is little simultaneously, and technological process efficiency is high.
The utility model solves the technical scheme that its technical problem adopts: a kind of MBR flat sheet membrane treatment system, for the treatment of containing organic sewage, described sewage by waste pipe successively through the first anaerobic pond, the second anaerobic pond, contact-oxidation pool and MBR pond;
Be provided with oxidation pond aeration tube in described contact-oxidation pool, oxidation pond aeration tube offers solarization air cap, described oxidation pond aeration tube is communicated to the oxidation pond Aeration fan be arranged on outside contact-oxidation pool;
Described MBR pond comprises MBR reactor, and MBR reactor includes MBR flat sheet membrane module; Described MBR flat sheet membrane module comprises the parallel diaphragm for filtering be disposed in described MBR pond; Described MBR reactor is immersed in described MBR pond; The clear water output of MBR reactor is by connecting clear water pipeline, and clear water pipeline is provided with fresh water pump, and the far-end of clear water pipeline stretches to clean water basin, and described clean water basin are also communicated with discharge pond;
Be provided with blow-off line at the bottom of the pond in described MBR pond, described blow-off line is provided with residual sea water pump, described blow-off line is communicated with sewage backflow pipe, described sewage backflow pipe is parallel with the backflow arm being back to MBR pond, contact-oxidation pool and the first anaerobic pond respectively; Described blow-off line is also provided with mud collection tube, and described mud collection tube is connected to the pressure filter of far-end.
As a kind of preferred implementation of the present utility model, the diaphragm of described MBR reactor is flat sheet membrane, and described flat sheet membrane adopts polyvinylidene difluoride (PVDF) as mould material; Spacing between described flat sheet membrane is more than or equal to 300mm.
As a kind of preferred implementation of the present utility model, described MBR reactor also comprises the aeration tube be arranged on bottom described flat sheet membrane, and aeration tube is communicated with inlet pipe, and the far-end of inlet pipe is provided with aeration pump, and described inlet pipe is also provided with Suck-back prevention valve.
As a kind of preferred implementation of the present utility model, described MBR reactor is also provided with chemical import, described chemical import is connected with backwash pipeline, and described backwash pipeline is provided with backwashing pump, and the far-end of described backwash pipeline is communicated with backwash medicinal cupping.
The utility model compared with prior art has the following advantages:
The utility model adopts integrated film bio-reactor to carry out sewage purification as filter assemblies; Membrane bioreactor (MBR) is a kind of water technology combined with biological processing unit by film separation unit.
Concrete, its principle of MBR reactor that the utility model adopts, for membrane module is placed in bio-reactor, obtains film filtration effluent by the negative pressure-pumping effect of technique pump; It directly can be stayed solid substance and other macromolecular substance in bio-reactor, causes certain rotating fluid (as shown in Figure 3) by aeration in pond, to increase the turbulent flow on film surface and to alleviate the pollution on film surface.
Whole scavenging process of the present utility model does not need the recycle system of mixed solution, and energy consumption is lower, compared with the MBR system of separated type and its occupation of land of current conventional activated sludge treatment system more compact, do not need complicated supporter; The utility model can very easily be transformed from existing activated sludge process, and the cost thus in the treatment and reuse of sewage is low, and efficiency is high, is easy to promote.
MBR reactor of the present utility model is the combination of suspension culture biological treatment (activated sludge process) and membrane separation technique, its second pond adopting membrane separation process to replace in traditional activated sludge process, the microorganism playing a part biological treatment to rely on is separated from bio-culture solution (mixed solution), thus microorganism is able to remain in biochemical reaction tank, ensure to be substantially free of microorganism and other suspended substances in water outlet simultaneously.
Membrane bioreactor of the present utility model effectively overcomes the restricted condition relevant with sludge settling property, and serves the effect replacing second pond, can also reach clarification and degerming object simultaneously.MBR of the present utility model can maintain higher biomass concentration, and usual MLSS is 8 ~ 10g/L, reaches as high as 10 ~ 15g/L, and the MLSS in conventional activated sludge method aeration tank is 3 ~ 5g/L.Therefore, floor space of the present utility model is only processed conventionally 1/2 ~ 1/3.Technique of the present utility model is simple, can play the effect of multiple process structures simultaneously.
The utility model also has following advantages:
1, carry out solid-liquid separation efficiently, capacity of resisting impact load is strong, and effluent quality high-quality stable, can remove SS completely, also has good rejection effect to bacterium and virus, and water outlet can direct reuse;
2, due to the efficient crown_interception of film, microorganism can be made to be trapped in completely in bio-reactor, realization response device hydraulic detention time (HRT) is separated completely with sludge age (SRT's), makes operation control to stablize more flexibly;
3, the microbial biomass of high density can be maintained in MBR membrane bioreactor of the present utility model, can up to more than 10g/L, treatment unit volumetric loading is high, and floor space can reduce to 1/3 to 1/5 of traditional activated sludge process;
4, the utility model is conducive to breeding microorganism retaining and growing as nitrobacteria slowly, and system nitrification efficiency is improved.Also can increase some hardly degraded organic substances hydraulic detention time in systems in which, effectively the microorganism of decomposing hardly degraded organic substance is trapped in reactor, be conducive to the raising of hardly degraded organic substance degradation efficiency;
5, during the utility model specific works, generally all run under high volumetric loading, low sludge loading, excess sludge production is low, reduces sludge treatment expense; Can realize automatically controlling completely, convenient operation and management.Whole system stable effluent quality and be better than traditional sewage disposal device.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model;
Fig. 2 is the arrangement schematic diagram of MBR flat sheet membrane module of the present utility model;
Fig. 3 is the structural representation of spin reflux course of the present utility model;
Fig. 4 is the structure principle chart of MBR flat sheet membrane module of the present utility model.
Description of reference numerals:
1-pool wall, 2-MBR plate film assembly, 3-water inlet pipe, 4-rising pipe, 5-suction pump, 6-MBR reactor, 7-MBR plate film assembly, 8-aeration tube, 9-inlet pipe, 10-Suck-back prevention valve, 11-aeration pump.
100-bubble, 200-activated sludge particles, 300-diaphragm;
101-waste pipe, 102-first anaerobic pond, 103-second anaerobic pond, 104-contact-oxidation pool, 105-oxidation pond Aeration fan, 106-oxidation pond aeration tube, 107-MBR pond, 108-MBR plate film assembly, 109-residual sea water pump, 110-fresh water pump, 111-clean water basin, 112-discharges pond, 113-backwashing pump, 114-backwash medicinal cupping, 115-mud return line.
Embodiment
Below in conjunction with drawings and Examples, the utility model embodiment is described:
Fig. 1 ~ 4 show a kind of concrete structure of the present utility model, as shown in the figure, a kind of MBR flat sheet membrane of the utility model treatment system, for the treatment of containing organic sewage, described sewage passes through waste pipe 101 successively through the first anaerobic pond 102, second anaerobic pond 103, contact-oxidation pool 104 and MBR pond 107;
As shown in the figure, be provided with oxidation pond aeration tube 106 in described contact-oxidation pool, oxidation pond aeration tube offers solarization air cap, described oxidation pond aeration tube is communicated to the oxidation pond Aeration fan 105 be arranged on outside contact-oxidation pool;
As shown in the figure, described MBR pond comprises MBR reactor, and MBR reactor includes MBR flat sheet membrane module 7; Described MBR flat sheet membrane module comprises the parallel diaphragm 300 for filtering be disposed in described MBR pond; Described MBR reactor is immersed in described MBR pond; The clear water output of MBR reactor is by connecting clear water pipeline, and clear water pipeline is provided with fresh water pump 110, the far-end of clear water pipeline stretches to clean water basin 111, and described clean water basin are also communicated with discharge pond 112;
As shown in the figure, blow-off line is provided with at the bottom of the pond in described MBR pond, described blow-off line is provided with residual sea water pump 109, described blow-off line is communicated with sewage backflow pipe 115, described sewage backflow pipe is parallel with the backflow arm being back to MBR pond, contact-oxidation pool and the first anaerobic pond respectively; Described blow-off line is also provided with mud collection tube, and described mud collection tube is connected to the pressure filter of far-end.
Preferably, the diaphragm of described MBR reactor is flat sheet membrane, and described flat sheet membrane adopts polyvinylidene difluoride (PVDF) as mould material; Spacing between described flat sheet membrane is more than or equal to 300mm.
Preferably, as shown in the figure, described MBR reactor also comprises the aeration tube 8 be arranged on bottom described flat sheet membrane, and aeration tube is communicated with inlet pipe 9, and the far-end of inlet pipe is provided with aeration pump 11, and described inlet pipe is also provided with Suck-back prevention valve 10.
Preferably, as shown in the figure, described MBR reactor is also provided with chemical import, and described chemical import is connected with backwash pipeline, and described backwash pipeline is provided with backwashing pump 113, and the far-end of described backwash pipeline is communicated with backwash medicinal cupping 114.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.
Claims (4)
1. a MBR flat sheet membrane treatment system, for the treatment of containing organic sewage, is characterized in that: described sewage passes through waste pipe successively through the first anaerobic pond, the second anaerobic pond, contact-oxidation pool and MBR pond;
Be provided with oxidation pond aeration tube in described contact-oxidation pool, oxidation pond aeration tube offers solarization air cap, described oxidation pond aeration tube is communicated to the oxidation pond Aeration fan be arranged on outside contact-oxidation pool;
Described MBR pond comprises MBR reactor, and MBR reactor includes MBR flat sheet membrane module; Described MBR flat sheet membrane module comprises the parallel diaphragm for filtering be disposed in described MBR pond; Described MBR reactor is immersed in described MBR pond; The clear water output of MBR reactor is by connecting clear water pipeline, and clear water pipeline is provided with fresh water pump, and the far-end of clear water pipeline stretches to clean water basin, and described clean water basin are also communicated with discharge pond;
Be provided with blow-off line at the bottom of the pond in described MBR pond, described blow-off line is provided with residual sea water pump, described blow-off line is communicated with sewage backflow pipe, described sewage backflow pipe is parallel with the backflow arm being back to MBR pond, contact-oxidation pool and the first anaerobic pond respectively; Described blow-off line is also provided with mud collection tube, and described mud collection tube is connected to the pressure filter of far-end.
2. a kind of MBR flat sheet membrane treatment system as claimed in claim 1, is characterized in that: the diaphragm of described MBR reactor is flat sheet membrane, and described flat sheet membrane adopts polyvinylidene difluoride (PVDF) as mould material; Spacing between described flat sheet membrane is more than or equal to 300mm.
3. a kind of MBR flat sheet membrane treatment system as claimed in claim 2, it is characterized in that: described MBR reactor also comprises the aeration tube be arranged on bottom described flat sheet membrane, aeration tube is communicated with inlet pipe, and the far-end of inlet pipe is provided with aeration pump, and described inlet pipe is also provided with Suck-back prevention valve.
4. a kind of MBR flat sheet membrane treatment system as claimed in claim 1, it is characterized in that: described MBR reactor is also provided with chemical import, described chemical import is connected with backwash pipeline, described backwash pipeline is provided with backwashing pump, and the far-end of described backwash pipeline is communicated with backwash medicinal cupping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520502518.5U CN205045882U (en) | 2015-07-07 | 2015-07-07 | Dull and stereotyped membrane processing system of MBR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520502518.5U CN205045882U (en) | 2015-07-07 | 2015-07-07 | Dull and stereotyped membrane processing system of MBR |
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| Publication Number | Publication Date |
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| CN205045882U true CN205045882U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520502518.5U Expired - Fee Related CN205045882U (en) | 2015-07-07 | 2015-07-07 | Dull and stereotyped membrane processing system of MBR |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731734A (en) * | 2016-03-31 | 2016-07-06 | 浙江大学 | Energy-saving MBR (membrane bioreactor) sewage treatment system |
| CN111410297A (en) * | 2020-04-21 | 2020-07-14 | 上海希沃环境科技有限公司 | High-efficiency fluidized MBR (membrane bioreactor) |
-
2015
- 2015-07-07 CN CN201520502518.5U patent/CN205045882U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731734A (en) * | 2016-03-31 | 2016-07-06 | 浙江大学 | Energy-saving MBR (membrane bioreactor) sewage treatment system |
| CN111410297A (en) * | 2020-04-21 | 2020-07-14 | 上海希沃环境科技有限公司 | High-efficiency fluidized MBR (membrane bioreactor) |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |