CN103588343A - MP-MBR device adopting double stage aeration technology - Google Patents
MP-MBR device adopting double stage aeration technology Download PDFInfo
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- CN103588343A CN103588343A CN201210285294.8A CN201210285294A CN103588343A CN 103588343 A CN103588343 A CN 103588343A CN 201210285294 A CN201210285294 A CN 201210285294A CN 103588343 A CN103588343 A CN 103588343A
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Abstract
The invention relates to an MP-MBR device adopting a double stage aeration technology, and aims at providing a device capable of processing various industrial wastewater and alleviating membrane pollution by changing an aeration technology. A head end of the device is provided with an advanced oxidation unit; subsequently an anaerobic unit and an MBBR aerobic unit are provided in order; and a tail end of the device is provided with a double stage aeration MBR unit. The advanced oxidation unit is provided with two dosing apparatuses and one set of stirring apparatus; the anaerobic unit is provided with the stirring apparatus; the MBBR aerobic unit is provided with a suspending filler; the bottom of the MBBR aerobic unit is provided with an aeration disc aeration apparatus; the double stage aeration MBR unit is provided with an MBR membrane assembly; both the bottom and the top of the membrane assembly are provided with aeration apparatuses; an aeration disc aeration is adopted at the bottom of the membrane assembly; and jet aeration is adopted at the top of the membrane assembly; a suction pump is used by the double stage aeration MBR unit to pump out produced water; water quality indexes reach a second level of Tianjin integrated wastewater discharge standard; and a part of the produced water is diverted by a water outlet pipe of the suction pump and refluxed to the anaerobic unit. The device provided by the invention takes treatment of high difficult industrial wastewater as an object; and a trend of membrane pollution can be greatly alleviated by adopting the double stage aeration technology.
Description
Technical field
The invention belongs to a kind of wastewater treatment equipment, be particularly suitable for the processing up to standard of the highly difficult trade effluent of medium and small sized enterprises.
Background technology
The features such as the waste water amount of having that a lot of miniaturization factory discharges is little, dispersion, concentration is high, intractability is large, direct Pai Jin sewage work, and due to fund reason, the very difficult waste water treatment plant that builds alone of middle-size and small-size factory.Perfect gradually along with national environmental protection rules, the development of a lot of medium and small sized enterprises has been stuck in blowdown improvement aspect.The present invention is directed to the feature of medium or small factory waste discharge, a kind of highly difficult wastewater treatment equipment of integrated type is provided, meet the pollution treatment requirement of middle-size and small-size factory.Maximum bottleneck in tradition MBR operational process is membrane pollution problem, pollute keypoint part at membrane module top, MBR is always helpless to this for tradition, the present invention adopts two section aeration process, can carry out emphasis to membrane module top gdna contamination washes away, effectively prevent that film from polluting, greatly improve film work-ing life.
Summary of the invention
The object of the invention is for middle-size and small-size factory provides a kind of little, easy to operate integrated highly difficult wastewater treatment equipment that takes up an area, can overcome MBR film and pollute this difficult problem, prolonging service lifetime of film simultaneously.
The present invention is achieved through the following technical solutions:
A MP-MBR device for two section aeration process, comprises advanced oxidation unit, anaerobic unit, MBBR aerobic unit, two sections of aeration MBR unit.First former water flow into prosopyle, advanced oxidation top, and top, advanced oxidation unit has dismountable pipeline to be connected with anaerobic unit top; Anaerobic unit top has dismountable pipeline to be connected with MBBR aerobic unit bottom; MBBR aerobic unit top has dismountable pipeline to be connected with two sections of aeration MBR unit bottom, and the membrane module in two sections of aeration MBR unit produces the mouth of a river and is connected with suction pump water-in, processes water up to standard and discharges through suction pump water outlet.All processing units top absolute altitude and low side absolute altitude are all identical.
Two cover chemicals dosing plants and a set of whipping appts are set in described advanced oxidation unit.
A set of whipping appts is set in described anaerobic unit.
All fixing polypropylene hanging fillers of upper and lower two ends are set in described MBBR aerobic unit, and bottom arranges aeration plate aerating apparatus.
Described two sections arrange a set of MBR film device in aeration MBR unit, and film device water outlet is connected with suction pump water-in.
Described MBR film device bottom and top all arrange aerating apparatus, and bottom adopts aeration plate aeration, and top adopts jet-flow aeration.
The membrane module that described MBR film device adopts is hollow fiber curtain type membrane component, and membrane pore size is 0.03um, and material is PVDF.
Described MBR film device need not take out from membrane cisterna, can realize online chemical immersion and clean.
A described MBR suction pump rising pipe shunting part is produced water and is back to anaerobic unit.
Described MBBR aerobic unit and revolution blower fan of two section aeration MBR units shared.
The present invention has the following advantages:
Adopt chemical method+biological process+MBR technology, can effectively process different types of highly difficult trade effluent, make effluent index meet < < Tianjin integrated wastewater discharge standard > > secondary standard;
This device be a kind of integrated, be convenient to mobile device, each processing unit is that modularization modular organization is for convenience detach, is convenient to management, operation;
Adopt two section aeration process, can pollute keypoint part (assembly top) to film and carry out emphasis and wash away, effectively prevent that film from polluting, greatly improve film work-ing life;
MBR film device need not take out from membrane cisterna, can realize online chemical immersion and clean, and has saved traditional MBR membrane module and need to from membrane cisterna, hang out the trouble of carrying out matting.
Accompanying drawing explanation
Accompanying drawing is the structural representation that the present invention adopts the MP-MBR device of two section aeration process.
In figure: 1 is advanced oxidation unit, 2-1/3/10 is for connecting ball valve, 2-2/5 is that aeration plate is controlled ball valve, 2-4 is that jet-flow aeration is controlled ball valve, and 2-6 controls ball valve for producing water backflow, and 2-7 is for producing water ball-valve, 2-8/9/11/12 is ball-valve, 3 is anaerobic unit, and 4 is MBBR aerobic unit, and 5 is polypropylene hanging filler, 6 is two sections aeration MBR unit, 7 is membrane module, and 8 is boring aeration pipe, and 9 is revolution blower fan, 10 is suction pump, 11-1/2 is aeration plate, and 12-1/2 is whipping appts, 13-1/2 metering chemical feeding device.
Embodiment
Below in conjunction with accompanying drawing and specific examples, the present invention is elaborated.
Accompanying drawing is the structural representation that the present invention adopts the MP-MBR device of two section aeration process.Comprise advanced oxidation unit, anaerobic unit, MBBR aerobic unit, two sections of aeration MBR unit.First former water flow into prosopyle, advanced oxidation top, and top, advanced oxidation unit has dismountable pipeline to be connected with anaerobic unit top; Anaerobic unit top has dismountable pipeline to be connected with MBBR aerobic unit bottom; MBBR aerobic unit top has dismountable pipeline to be connected with two sections of aeration MBR unit bottom, and the membrane module in two sections of aeration MBR unit produces the mouth of a river and is connected with suction pump water-in, processes water up to standard and discharges through suction pump water outlet.All processing units top absolute altitude and low side absolute altitude are all identical.Two cover chemicals dosing plants and a set of whipping appts are set in advanced oxidation unit.A set of whipping appts is set in anaerobic unit.All fixing polypropylene hanging fillers of upper and lower two ends are set in MBBR aerobic unit, and bottom arranges aeration plate aerating apparatus.In two sections of aeration MBR unit, a set of MBR film device is set, film device water outlet is connected with suction pump water-in.MBR film device bottom and top all arrange aerating apparatus, and bottom adopts aeration plate aeration, and top adopts jet-flow aeration.The membrane module that MBR film device adopts is hollow fiber curtain type membrane component, and membrane pore size is 0.03um, and material is PVDF.MBR film device need not take out from membrane cisterna, can realize online chemical immersion and clean.A MBR suction pump rising pipe shunting part is produced water and is back to anaerobic unit.MBBR aerobic unit and revolution blower fan of two section aeration MBR units shared.
Raw wastewater first constantly enters from 1 top, advanced oxidation unit, by metering chemical feeding device 12-1/2, accurately control and add ferrous sulfate and hydrogen peroxide simultaneously, whipping appts 11-2 does not stop to stir, ferrous ion catalysis hydrogen peroxide generates the very strong free radical of oxidisability, free radical can tentatively be degraded organism in waste water, completes advanced oxidation, produce water and from top, enter anaerobic unit 3 by connecting ball valve 2-1, whipping appts 11-1 slowly stirs, in anaerobic unit, utilize facultative anaerobe and obligatory anaerobic bacteria that larger molecular organics in waste water is degraded to low molecular compound, the exoenzyme effect of being secreted by acid-producing bacteria, make larger molecular organics become simple organic acid and alcohols, aldehydes ammonia, carbonic acid gas etc., improved the biodegradability of waste water, anaerobic unit product water connects ball valve 2-10 by bottom and enters MBBR aerobic unit, use revolution blower fan 8 to pass into air to MBBR aerobic unit, adopt aeration plate 10-2 aeration, utilize the bacterium of supporting well in MBBR aerobic unit that partial organic substances is oxidized to carbonic acid gas and water, further reduce COD, MBBR aerobic unit moves in the low mud of high loading mode in age, the water outlet of MBBR aerobic unit connects ball valve 2-3 by top and enters two sections aeration MBR unit 6, use revolution blower fan 8 to pass into air to two sections of aeration MBR unit, MBR moves in the high mud of underload mode in age, utilize the bacterium of supporting well in two sections aeration MBR unit that remaining hardly degraded organic substance is oxidized to carbonic acid gas and water, thereby make to produce water COD index and be reduced to < < Tianjin integrated wastewater discharge standard > > secondary standard, while is due to the crown_interception of film, make the nitrobacteria in two sections aeration MBR unit obtain enrichment, make to produce water ammonia nitrogen index and be reduced to < < Tianjin integrated wastewater discharge standard > > secondary standard, two sections of aeration MBR device water outlets are connected with suction pump 9 water-ins, discharge at the multiparity mouth of a river, part product water multiparity water backflow control ball valve 2-6 is back to anaerobic unit 3 and carries out denitrification, another part produces water multiparity water ball-valve 2-7 discharge.Traditional MBR device is only at membrane module bottom aeration, and the keypoint part that film pollutes is on membrane module top, can not get effective aeration washes away, two section aeration modes are taked in two sections of aeration MBR unit, and, at membrane module bottom and top while aeration, membrane module bottom adopts aeration plate 10-1 aeration, assembly top utilizes boring aeration pipe 8 to carry out jet-flow aeration, in the time of oxygen supply, wash away keypoint part-top that film pollutes, thereby reduce film pollution tendencies, prolonging service lifetime of film.
Claims (10)
1. one kind adopts pair MP-MBR device of section aeration process, comprise advanced oxidation unit, anaerobic unit, MBBR aerobic unit, two sections of aeration MBR unit, first former water flow into prosopyle, advanced oxidation top, and top, advanced oxidation unit has dismountable pipeline to be connected with anaerobic unit top; Anaerobic unit top has dismountable pipeline to be connected with MBBR aerobic unit bottom; MBBR aerobic unit top has dismountable pipeline to be connected with two sections of aeration MBR unit bottom, membrane module in two sections of aeration MBR unit produces the mouth of a river and is connected with suction pump water-in, process water up to standard and discharge through suction pump water outlet, all processing units top absolute altitude and low side absolute altitude are all identical.
2. a kind of MP-MBR device that adopts two section aeration process as claimed in claim 1, is characterized in that establishing in advanced oxidation unit two cover chemicals dosing plants and a set of whipping appts.
3. a kind of MP-MBR device that adopts two section aeration process as claimed in claim 1, is characterized in that arranging in anaerobic unit a set of whipping appts.
4. a kind of MP-MBR device that adopts two section aeration process as claimed in claim 1, is characterized in that arranging in MBBR aerobic unit all fixing polypropylene hanging fillers of upper and lower two ends, and bottom arranges aeration plate aerating apparatus.
5. a kind of MP-MBR device that adopts two section aeration process as claimed in claim 1, is characterized in that, in two sections aeration MBR unit, a set of MBR film device is set, and film device water outlet is connected with suction pump water-in.
6. a kind of MP-MBR device that adopts two section aeration process as described in claim 1 or 5, is characterized in that MBR film device bottom and top all arrange aerating apparatus, and bottom adopts aeration plate aeration, and top adopts jet-flow aeration.
7. a kind of MP-MBR device that adopts two section aeration process as described in claim 5 or 6, is characterized in that the membrane module that MBR film device adopts is hollow fiber curtain type membrane component, and membrane pore size is 0.03um, and material is PVDF.
8. a kind of MP-MBR device that adopts two section aeration process as described in claim 5 or 6, is characterized in that MBR film device need not take out from membrane cisterna, can realize online chemical immersion and clean.
9. a kind of MP-MBR device that adopts two section aeration process as described in claim 3 or 5, is characterized in that MBR suction pump rising pipe shunting part product water is back to anaerobic unit.
10. a kind of MP-MBR device that adopts two section aeration process as described in claim 4 or 5, is characterized in that MBBR aerobic unit and revolution blower fan of two section aeration MBR units shared carry out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210285294.8A CN103588343A (en) | 2012-08-13 | 2012-08-13 | MP-MBR device adopting double stage aeration technology |
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| CN201210285294.8A CN103588343A (en) | 2012-08-13 | 2012-08-13 | MP-MBR device adopting double stage aeration technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541029A (en) * | 2016-01-11 | 2016-05-04 | 新疆环境工程技术有限责任公司 | Unpowered backflow integrated reclaimed water reuse device |
| CN110395845A (en) * | 2019-07-17 | 2019-11-01 | 上海世渊环保科技有限公司 | A kind of High-concentration Phenolic Aldehyde production of resins waste water treatment system and processing method |
-
2012
- 2012-08-13 CN CN201210285294.8A patent/CN103588343A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541029A (en) * | 2016-01-11 | 2016-05-04 | 新疆环境工程技术有限责任公司 | Unpowered backflow integrated reclaimed water reuse device |
| CN105541029B (en) * | 2016-01-11 | 2018-04-13 | 新疆环境工程技术有限责任公司 | A kind of unpowered return integrated Treated sewage reusing device |
| CN110395845A (en) * | 2019-07-17 | 2019-11-01 | 上海世渊环保科技有限公司 | A kind of High-concentration Phenolic Aldehyde production of resins waste water treatment system and processing method |
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Application publication date: 20140219 |