CN101648763A - Low energy-consumption integrative membrane bioreactor - Google Patents
Low energy-consumption integrative membrane bioreactor Download PDFInfo
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- CN101648763A CN101648763A CN200910034980A CN200910034980A CN101648763A CN 101648763 A CN101648763 A CN 101648763A CN 200910034980 A CN200910034980 A CN 200910034980A CN 200910034980 A CN200910034980 A CN 200910034980A CN 101648763 A CN101648763 A CN 101648763A
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Abstract
The invention relates to a low energy-consumption integrative membrane bioreactor which leads a biological reaction tank and a membrane bio-filter to be integrated; sewage fully reacts with sludge inan integrative biological reaction tank (1) in the reaction tank after entering in the integrative biological reaction tank (1) under the aeration of a micropore aerator pipe (7), and then clean waterflows out to a clean water tank (5) from a membrane component (2) through the filtration of the membrane component (2). In the invention, a micropore aerator device and a perforation aerator device are effectively combined, so as to effectively utilize oxygen and improve the treatment effect of the reaction tank when treating the same water quality and water quantity compared with a way using a single aeration way; in addition, the needed energy consumption for processing sewage is the lowest when the water quality reaches to standard.
Description
Technical field
The present invention relates to a kind of membrane bioreactor, especially a kind of integral biological reaction tank that is provided with two kinds of aerating apparatuss, specifically a kind of low energy-consumption integrative membrane bioreactor.
Background technology
The film separation unit of membrane bioreactor MBR system is placed in the Reaction Separation groove at certain intervals, and the active sludge in the groove is degraded to the organism in the sewage, and the water after the degraded is by the discharging of hollow membrane silk.Fenestra is very tiny, and particulate matter and active sludge can not be by this fenestras and separated, so can stably obtain clarifying filtered water from draining.But, in actually operating,, membrane module is produced pollute easily because the interior content of microorganisms of biological reaction tank is higher and stick to the film surface easily.In case film is contaminated, the filtration efficiency of sewage will reduce, even causes the infringement of membrane module.
Membrane bioreactor MBR system is typically provided with aeration tube, has both played to be bio-oxidation keeping effect, plays the continuous wash membrane module again, prevents the effect that membrane module pollutes.But liquid level is to the pressure of the water on aeration tube top in the bio-reactor because the air that blasts will overcome, and therefore general aeration energy consumption is very high.At present, the normally single aeration mode of the aeration tube of employing is in aeration process, if bubble is bigger, the oxygen branch that exposes to the sun can not effectively distribute in water, can not be fully used, and causes the energy consumption waste, if bubble is less, membrane module can not effectively be cleaned, and reduces the filtration efficiency of sewage.Therefore, existing single aeration mode can not, satisfy the needs of prior art.
Summary of the invention
The objective of the invention is at existing membrane bioreactor aeration mode single, in aeration process, if bubble is bigger, the oxygen branch that exposes to the sun can not effectively distribute in water, can not be fully used, cause the energy consumption waste, if bubble is less, membrane module can not effectively be cleaned, reduce the problem of the filtration efficiency of sewage, proposes a kind ofly when the identical water quality and quantity of processing, can effectively utilize the oxygen branch, improve the treatment effect of reaction tank, the low energy-consumption integrative membrane bioreactor that sewage treating efficiency is high.
Technical scheme of the present invention is:
A kind of low energy-consumption integrative membrane bioreactor, it comprises the integral biological reaction tank, membrane module, air pump, clarified water pump, clean water basin, boring aeration pipe, micropore aeration pipe and the 4th valve, described membrane module is installed in the integral biological reaction tank, submerge under the liquid level of integral biological reaction tank, boring aeration pipe is installed in the below of membrane module, boring aeration pipe links to each other with an outlet side of air pump by pipeline, another outlet side of air pump links to each other with the micropore aeration pipe that is installed in integral biological reaction tank bottom, the water outlet of membrane module is by pipeline and clarified water pump in parallel, the corresponding end of the 4th valve links to each other, and the other end of clarified water pump and the 4th valve all links to each other with the corresponding inlet of clean water basin.
The present invention also comprises first valve, second valve, the 3rd valve, the first flow meter, second under meter, the 3rd under meter, on the pipeline between described first valve installation air pump and the micropore aeration pipe, the first flow meter is installed on the pipeline between first valve and the micropore aeration pipe, described second valve is installed on the pipeline between air pump and the boring aeration pipe, second under meter be installed in second valve and boring aeration pipe and between pipeline on, described the 3rd under meter be installed in membrane module and the 4th valve and between pipeline on, the 3rd valve is installed on the pipeline between membrane module and the 3rd under meter.
Membrane module of the present invention comprises header, following header and organizes the film silk more, each end of organizing the film silk is installed on the header, the other end is installed in down header, and last header links to each other with clean water basin with the 4th valve by clarified water pump in parallel with the water outlet of following header as membrane module.
Film silk of the present invention is 12 groups.
The tube head of micropore aeration pipe of the present invention is a plurality of, and the pore diameter range of each tube head is 80-200um, and the tube head of boring aeration pipe is one, and pore diameter range is 4-5mm.
The tube head of micropore aeration pipe of the present invention is 6.
Beneficial effect of the present invention:
Low energy-consumption integrative membrane bioreactor of the present invention is integrated with biological reaction tank and film biological filter, sewage enters the integral biological reaction tank, in reaction tank with the integral biological reaction tank in mud under the aeration of micropore aeration pipe, the thorough mixing reaction, by the filtration of membrane module, clear water flows out to clean water basin from membrane module then, perforation and micropore composite aeration in the integral biological reaction tank, effectively reduce energy consumption, improved oxygen branch utilization ratio and reaction efficiency.
The present invention utilizes micro-pore aeration, reduces the surface-area of bubble, increases the solubleness of oxygen in water, makes oxygen fully be dissolved in water, guarantees that the reaction of microorganism can have enough oxygen to divide support.And aeration strengthens the waterpower stirring action, allows organism constantly contacts thorough mixing, organic concentration in the more effective reduction water in mud and the water.
Boring aeration pipe of the present invention is installed in membrane module below, and under the effect of the bubble shearing force of boring aeration pipe, membrane module constantly obtains cleaning, and reduces the deposition of pollutent on the film surface.And boring aeration pipe is arranged on the below of membrane module, if go out bubble and overcome from the reaction tank liquid level to the pressure of the water of header distance down, reduced aeration energy consumption.
Microporous aeration device of the present invention combines with the boring aeration device is effective, than any one aeration mode of single use, when handling identical water quality and quantity, can effectively utilize the oxygen branch, improve the treatment effect of reaction tank, and dispose of sewage, it is lower to make water quality reach the required energy consumption of standard.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a membrane module structure synoptic diagram of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1, it comprises integral biological reaction tank 1 a kind of low energy-consumption integrative membrane bioreactor, membrane module 2, air pump 3, clarified water pump 4, clean water basin 5, boring aeration pipe 6, micropore aeration pipe 7 and the 4th valve 16, described membrane module 2 is installed in the integral biological reaction tank 1, submerge under the liquid level of integral biological reaction tank 1, boring aeration pipe 6 is installed in the below of membrane module 2, boring aeration pipe 6 links to each other with an outlet side of air pump 3 by pipeline, another outlet side of air pump 3 links to each other with the micropore aeration pipe 7 that is installed in integral biological reaction tank 1 bottom, the water outlet of membrane module 2 is by pipeline and clarified water pump 4 in parallel, the corresponding end of the 4th valve 16 links to each other, and the other end of clarified water pump 4 and the 4th valve 16 all links to each other with the corresponding inlet of clean water basin 5.
The present invention also comprises first valve 15, second valve 8, the 3rd valve 17, first flow meter 13, second under meter 12, the 3rd under meter 14, on the pipeline that described first valve 15 is installed between air pump 3 and the micropore aeration pipe 7, first flow meter 13 is installed on the pipeline between first valve 15 and the micropore aeration pipe 7, described second valve 8 is installed on the pipeline between air pump 3 and the boring aeration pipe 6, second under meter 12 be installed in second valve 8 and boring aeration pipe 6 and between pipeline on, described the 3rd under meter 14 be installed in membrane module 2 and the 4th valve 16 and between pipeline on, the 3rd valve 17 is installed on the pipeline between membrane module 2 and the 3rd under meter 14.
The tube head of micropore aeration pipe 7 of the present invention is a plurality of, and the pore diameter range of each tube head is 80-200um, and the tube head of boring aeration pipe 6 is one, and pore diameter range is 4-5mm.
The tube head of micropore aeration pipe 7 of the present invention is 6.
Embodiment one:
A kind of low energy-consumption integrative membrane bioreactor, biological reaction tank and film biological filter is integrated, sewage enters integral biological reaction tank 1, in reaction tank with integral biological reaction tank 1 in mud under the aeration of micropore aeration pipe 7, the thorough mixing reaction, many groups film silk 10 by membrane module 2 filters then, and clear water flows out by pipeline to clean water basin 5 from the last header 9 and the following header 11 of membrane module 2.Utilize micro-pore aeration, reduce the surface-area of bubble, increase the solubleness of oxygen in water, make oxygen in water, fully be dissolved, guarantee that the reaction of microorganism can have enough oxygen to divide support.In addition, the boring aeration pipe 6 of membrane module 2 belows is emitted bubble, and under the bubble shear action of boring aeration pipe 6, membrane module 2 constantly obtains cleaning, and reduces the deposition of pollutent on film silk surface.And boring aeration pipe 6 is arranged on the below of membrane module 2, if go out bubble and overcome from the reaction tank liquid level to the pressure of the water of header distance down, reduced aeration energy consumption.
When purifying waste water when extruding the stream underfed, close the 4th valve 16, open clarified water pump 4, making purifies waste water enters clean water basin 5 by clarified water pump 4 suctions.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (6)
1, a kind of low energy-consumption integrative membrane bioreactor, it is characterized in that it comprises integral biological reaction tank (1), membrane module (2), air pump (3), clarified water pump (4), clean water basin (5), boring aeration pipe (6), micropore aeration pipe (7) and the 4th valve (16), described membrane module (2) is installed in the integral biological reaction tank (1), submerge under the liquid level of integral biological reaction tank (1), boring aeration pipe (6) is installed in the below of membrane module (2), boring aeration pipe (6) links to each other with an outlet side of air pump (3) by pipeline, another outlet side of air pump (3) links to each other with the micropore aeration pipe (7) that is installed in integral biological reaction tank (1) bottom, the water outlet of membrane module (2) is by pipeline and clarified water pump (4) in parallel, the corresponding end of the 4th valve (16) links to each other, and the other end of clarified water pump (4) and the 4th valve (16) all links to each other with the corresponding inlet of clean water basin (5).
2, low energy-consumption integrative membrane bioreactor according to claim 1, it is characterized in that it also comprises first valve (15), second valve (8), the 3rd valve (17), first flow meter (13), second under meter (12), the 3rd under meter (14), on the pipeline between described first valve (15) installation air pump (3) and the micropore aeration pipe (7), first flow meter (13) is installed on the pipeline between first valve (15) and the micropore aeration pipe (7), described second valve (8) is installed on the pipeline between air pump (3) and the boring aeration pipe (6), second under meter (12) be installed in second valve (8) and boring aeration pipe (6) and between pipeline on, described the 3rd under meter (14) be installed in membrane module (2) and the 4th valve (16) and between pipeline on, the 3rd valve (17) is installed on the pipeline between membrane module (2) and the 3rd under meter (14).
3, low energy-consumption integrative membrane bioreactor according to claim 1, it is characterized in that described membrane module (2) comprises header (9), following header (11) and many group film silks (10), each end of organizing film silk (10) is installed on the header (9), the other end is installed in down header (11), and last header (9) links to each other with clean water basin (5) with the 4th valve (16) by clarified water pump (4) in parallel with the water outlet of following header (11) as membrane module (2).
4, low energy-consumption integrative membrane bioreactor according to claim 3 is characterized in that described film silk (14) is 12 groups.
5, low energy-consumption integrative membrane bioreactor according to claim 1, the tube head that it is characterized in that described micropore aeration pipe (7) is a plurality of, and the pore diameter range of each tube head is 80-200um, and the tube head of boring aeration pipe (6) is one, and pore diameter range is 4-5mm.
6, low energy-consumption integrative membrane bioreactor according to claim 5, the tube head that it is characterized in that described micropore aeration pipe (7) is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910034980A CN101648763A (en) | 2009-09-16 | 2009-09-16 | Low energy-consumption integrative membrane bioreactor |
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| CN200910034980A CN101648763A (en) | 2009-09-16 | 2009-09-16 | Low energy-consumption integrative membrane bioreactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253760A (en) * | 2013-05-31 | 2013-08-21 | 哈尔滨工业大学 | Upward-flowing fluidization biofilter coupled with negative pressure membrane |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| USD779632S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Bundle body |
-
2009
- 2009-09-16 CN CN200910034980A patent/CN101648763A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253760A (en) * | 2013-05-31 | 2013-08-21 | 哈尔滨工业大学 | Upward-flowing fluidization biofilter coupled with negative pressure membrane |
| CN103253760B (en) * | 2013-05-31 | 2014-10-08 | 哈尔滨工业大学 | Upward-flowing fluidization biofilter coupled with negative pressure membrane |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US9956530B2 (en) | 2014-10-22 | 2018-05-01 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US10702831B2 (en) | 2014-10-22 | 2020-07-07 | Koch Separation Solutions, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| USD779632S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Bundle body |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
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Open date: 20100217 |