CN201520704U - Low energy-consumption integrated membrane bioreactor - Google Patents

Low energy-consumption integrated membrane bioreactor Download PDF

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Publication number
CN201520704U
CN201520704U CN2009202316183U CN200920231618U CN201520704U CN 201520704 U CN201520704 U CN 201520704U CN 2009202316183 U CN2009202316183 U CN 2009202316183U CN 200920231618 U CN200920231618 U CN 200920231618U CN 201520704 U CN201520704 U CN 201520704U
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China
Prior art keywords
valve
aeration pipe
membrane module
low energy
pipeline
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Expired - Fee Related
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CN2009202316183U
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Chinese (zh)
Inventor
周洪明
蒋平
张辉
朱礼和
王一帆
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Jiangsu Huanfa Environmental Engineering Co Ltd
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Jiangsu Huanfa Environmental Engineering Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The utility model relates to a low energy-consumption integrated membrane bioreactor. A biological reaction tank and a membrane biological filter tank are integrated; wastewater enters the integrated biological reaction tank (1), and is fully mixed and reacts with sludge in the integrated biological reaction tank (1) under the condition of the aeration of a microporous aeration pipe, and then is filtered through a membrane component (2); and clear water flows out from the membrane component (2) to a clear water tank (5). In the low energy-consumption integrated membrane bioreactor, the microporous aeration pipe is effectively combined with a perforated aeration device, so that the low energy-consumption integrated membrane bioreactor can effectively utilize oxygen in treating water with equal quality and amount compared with any single aeration mode, thereby improving the treatment effect of the reaction tank and needing lower energy consumption for enabling the water equality to reach the standard by treating wastewater.

Description

Low energy-consumption integrative membrane bioreactor
Technical field
The utility model 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 purpose of this utility model is single at existing membrane bioreactor aeration mode, 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.
The technical solution of the utility model 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 utility model 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 utility model 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 utility model is 12 groups.
The tube head of micropore aeration pipe of the present utility model 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 utility model is 6.
The beneficial effects of the utility model:
Low energy-consumption integrative membrane bioreactor of the present utility model 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 utility model 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 utility model 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 utility model 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 utility model.
Fig. 2 is a membrane module structure synoptic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
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 utility model 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.
Membrane module 2 of the present utility model comprises header 9, following header 11 and organizes film silk 10 more.As shown in Figure 2, film silk 14 is an example with 12 groups, each end of organizing film silk 10 is installed on the header 9, and 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.
The tube head of micropore aeration pipe 7 of the present utility model 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 utility model 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 utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.

Claims (6)

1. 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.
CN2009202316183U 2009-09-16 2009-09-16 Low energy-consumption integrated membrane bioreactor Expired - Fee Related CN201520704U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104710034A (en) * 2014-10-14 2015-06-17 浙江开创环保科技有限公司 Advanced treatment method for oilfield produced water
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104710034A (en) * 2014-10-14 2015-06-17 浙江开创环保科技有限公司 Advanced treatment method for oilfield produced water
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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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100707

Termination date: 20110916