CN105384245A - Assembled membrane bioreactor - Google Patents
Assembled membrane bioreactor Download PDFInfo
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- CN105384245A CN105384245A CN201410462300.1A CN201410462300A CN105384245A CN 105384245 A CN105384245 A CN 105384245A CN 201410462300 A CN201410462300 A CN 201410462300A CN 105384245 A CN105384245 A CN 105384245A
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Abstract
The present invention discloses an assembled membrane bioreactor. The assembled membrane bioreactor comprises an independent detachable anaerobic zone and anoxic zone component and an independent detachable aerobic zone component and membrane zone component; the anaerobic zone and anoxic zone component is connected with the aerobic zone component and the membrane zone component through a pipeline; and smooth water flow and backflow are realized; According to specific conditions of a water body and water volume, the processing ability is adjusted by adding or removing the component, so that the assembled membrane bioreactor is more suitable for the change of the processed water volume; while the processing effect is guaranteed, the problem that the processing ability of a single set of membrane bioreactor cannot be improved is solved through an independent assembled structure; and moreover, the disadvantages that an existing aerobic bioreactor is great in energy consumption and poor in effect and the defects that components of the facultative aerobic bioreactor are easily blocked and are short in service life are optimized; and while the processing effect is strengthened, the service life of membrane component is prolonged, and a better choice is provided for widespread application of the membrane bioreactor process.
Description
Technical field
The present invention relates to a kind of assembly type membrane bioreactor, belong to field of membrane bioreactor technology.
Background technology
Membrane bioreactor has developed a kind of Novel sewage treatment process comparatively rapidly since being the nineties in last century; It is the second pond replacing traditional technology by membrane separation technique, by the novel process that it combines with bioreaction technology, while minimizing civilwork engineering quantity, significantly improves effluent quality; Along with the lifting of the production technology of film, the performance of film improves constantly, and its production cost also constantly declines, for the universal of membrane bioreactor provides condition; In recent years the membrane bioreactor occurred has the broad variety such as aerobic, facultative type; At present, in aerobic membrane bioreactor, divide to provide enough oxygen to aerobic microbiological and keep the effective flushing to membrane module, so be generally all equipped with powerful blower fan, because a little operation energy consumption is very high; And good type membrane bioreactor take aerobic bacteria as dominant bacteria, its breeding cycle is short, death rate fast, and form a large amount of excess sludges, intractability is large; Under aerobic environment, microorganism can only carry out ammonia nitrogen digestion to sewage, absorbs phosphorus, lacks anaerobism or anoxic phases, denitrogenation and release phosphorus weak effect.
Summary of the invention
(1) technical problem that will solve
For solving the problem, the present invention proposes a kind of assembly type membrane bioreactor; According to water body and water yield particular case, processing power can be regulated by increasing or removing integral part, more can adapt to the change processing the water yield; While guarantee treatment effect, effectively solve single problem of overlapping Membrane Bioreactor for Wastewater Treatment ability and not increasing by independent groups assembling structure; And the deficiency of, weak effect large to the power consumption of existing aerobic membrane bioreactor and facultative type membrane bioreactor membrane module easily blocks, the life-span is short defect are optimized, while enhancing treatment effect, improve the work-ing life of membrane module, the widespread use for membrane biological reactor process provides better selection.
(2) technical scheme
Assembly type membrane bioreactor of the present invention, comprises independently removable anaerobic zone and oxygen-starved area assembly, independently removable aerobic zone assembly and film area assembly; Described anaerobic zone and oxygen-starved area assembly are linked by pipeline with aerobic zone assembly and film area assembly; Realize current unobstructed and backflow.
Further, described anaerobic zone assembly and oxygen-starved area assembly dissolved oxygen are less than 1.0mg/L.Described aerobic zone assembly dissolved oxygen is greater than 2.0mg/L; Described film area assembly dissolved oxygen is between 1.0mg/L ~ 2.0mg/L.
Further, described aerobic zone assembly and film area assembly are set to more than one group and one group; And installation rear cooperation with anaerobic zone and oxygen-starved area assembly installs successively; Can increase or reduce aerobic zone assembly and film area assembly number as the case may be, oxygen area assembly and film area assembly more, processing power is stronger, but be only treatment capacity change, do not affect treatment effect.
Further, assembly place, described aerobic zone is provided with rotary type blower fan aeration plate or efflux aerator.By the layout of aeration plate or fluidic device, make aerobic zone form aerobic local (dissolved oxygen is a little more than 2.0mg/L) and anoxic local (dissolved oxygen is about 1.0mg/L), realize organic aerobic decomposition, aerobic nitrification and aerobic suction phosphorus.
(3) beneficial effect
Assembly type membrane bioreactor of the present invention, defines the fluidised form of anaerobism oxygen-anaerobic-aerobic-membrane filtration; Enhance the biological process that aerobic nitrification, aerobic suction phosphorus and anoxic denitrification, anoxic release phosphorus; Overcome that aerobic membrane biological reactor process energy consumption is large, the defect of the large and poor denitrification and dephosphorization effect of excess sludge production; Overcome facultative type membrane biological reactor process membrane module easily to block, work-ing life, short grade was not enough simultaneously.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Embodiment
A kind of assembly type membrane bioreactor as shown in Figure 1, comprises independently removable anaerobic zone and oxygen-starved area assembly 1, independently removable aerobic zone assembly 2 and film area assembly 3; Described anaerobic zone and oxygen-starved area assembly 1 are linked by pipeline with aerobic zone assembly 2 and film area assembly 3; Realize current unobstructed and backflow.
Wherein, described anaerobic zone and oxygen-starved area assembly 1 dissolved oxygen are less than 1.0mg/L.Described aerobic zone assembly 2 dissolved oxygen is greater than 2.0mg/L; Described film area assembly 3 dissolved oxygen is between 1.0mg/L ~ 2.0mg/L.Described aerobic zone assembly 2 and film area assembly 3 are set to more than one group and one group; And installation rear cooperation with anaerobic zone and oxygen-starved area assembly 1 installs successively; Can increase or reduce aerobic zone assembly 2 and film area assembly 3 number as the case may be, oxygen area assembly 2 and film area assembly more than 3, processing power is stronger, but is only that treatment capacity changes, and does not affect treatment effect; Assembly 2 place, described aerobic zone is provided with rotary type blower fan aeration plate or efflux aerator 4.By the layout of aeration plate or fluidic device 4, make aerobic zone form aerobic local (dissolved oxygen is a little more than 2.0mg/L) and anoxic local (dissolved oxygen is about 1.0mg/L), realize organic aerobic decomposition, aerobic nitrification and aerobic suction phosphorus.
Working process of the present invention is: sewage enters anaerobic zone in this assembly type membrane bioreactor and oxygen-starved area assembly, at this region not aeration, makes it keep anaerobic state (dissolved oxygen is less than 0.5mg/L); Anaerobic zone sewage enters oxygen-starved area, carries out micro-aeration in this region, makes it keep anoxic condition (dissolved oxygen is less than 2.0mg/L); It is main, facultative microbe is auxiliary microecosystem that first packaging assembly anaerobic zone forms anaerobion, it be main, anaerobic and aerobic microorganism is auxiliary microecosystem that oxygen-starved area forms anoxic microorganism, puts phosphorus provide condition for the denitrification of organic anaerobic digestion, ammonia nitrogen and anaerobism.Pollutent carries out predecomposition in this region, and part is polluted and degraded.
Sewage through anaerobic zone and oxygen-starved area component preprocesses enters aerobic zone assembly, at this region aeration, makes it keep oxygen condition (dissolved oxygen is greater than 2.0mg/L), and local keeps anoxic condition (dissolved oxygen is less than 2.0mg/L); Formation aerobic microbiological is master, facultative microbe is auxiliary microecosystem, for the nitrated and aerobic suction phosphorus of organic aerobic decomposition, ammonia nitrogen provides aerobic condition.Pollutent is degraded in this region major part.
Sewage after the assembly process of aerobic zone, after aerobic decomposition, defines the mud mixture of lower concentration; This mud mixture overflow enters and film area assembly, because of organism and suspended substance less, effectively alleviate the load of film area assembly; Aeration intensity can reduce greatly, and whole membrane biological reaction district (oxygen-starved area) keeps anaerobic environment, and dissolved oxygen is at about 1.0mg/L.The microecosystem that formation facultative microbe and anaerobion coexist, releases phosphorus for organic further removal, anoxic denitrification and anoxic and provides favourable condition; After the organism of various difficult degradation, microorganism, phosphorus containing sludge tunicle retain, under macrocyclic double oxygen or anoxic condition, be decomposed by the microorganisms as water, gas and energy discharge system.
Embodiment recited above is only be described the preferred embodiment of the present invention, not limits the spirit and scope of the present invention.Under the prerequisite not departing from design concept of the present invention; the various modification that this area ordinary person makes technical scheme of the present invention and improvement; all should drop into protection scope of the present invention, the technology contents of request protection of the present invention, all records in detail in the claims.
Claims (4)
1. an assembly type membrane bioreactor, is characterized in that: comprise independently removable anaerobic zone and oxygen-starved area assembly, independently removable aerobic zone assembly and film area assembly; Described anaerobic zone and oxygen-starved area assembly are linked by pipeline with aerobic zone assembly and film area assembly.
2. combination membrane bio-reactor according to claim 1, is characterized in that: described anaerobic zone assembly and oxygen-starved area assembly dissolved oxygen are less than 1.0mg/L.Described aerobic zone assembly dissolved oxygen is greater than 2.0mg/L; Described film area assembly dissolved oxygen is between 1.0mg/L ~ 2.0mg/L.
3. assembly type membrane bioreactor according to claim 1, is characterized in that: described aerobic zone assembly and film area assembly are set to more than one group and one group; And installation rear cooperation with anaerobic zone and oxygen-starved area assembly installs successively.
4. assembly type membrane bioreactor according to claim 1, is characterized in that: assembly place, described aerobic zone is provided with rotary type blower fan aeration plate or efflux aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462300.1A CN105384245A (en) | 2014-09-03 | 2014-09-03 | Assembled membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462300.1A CN105384245A (en) | 2014-09-03 | 2014-09-03 | Assembled membrane bioreactor |
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| CN105384245A true CN105384245A (en) | 2016-03-09 |
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| CN201410462300.1A Pending CN105384245A (en) | 2014-09-03 | 2014-09-03 | Assembled membrane bioreactor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020092872A (en) * | 2002-10-31 | 2002-12-12 | 양기해 | Apparatus for treating wastewater by air organism membrane and soaking organism membrane |
| CN201240978Y (en) * | 2008-07-26 | 2009-05-20 | 崔杰 | Combined type sewage in situ processing system |
| CN202016931U (en) * | 2011-03-14 | 2011-10-26 | 四川和欣环保工程有限公司 | Environmental-friendly treatment device employing standardized tank body and modular processing unit |
| CN202322548U (en) * | 2011-09-08 | 2012-07-11 | 东莞市开源环境科技有限公司 | Anerobic, anoxic, aerobic tanks and bio-membrane reactor combined device for floating boat aeration |
| CN203700028U (en) * | 2014-03-06 | 2014-07-09 | 王璇 | Combined type membrane bioreactor |
| CN204198490U (en) * | 2014-09-03 | 2015-03-11 | 重庆淏园环保科技有限公司 | A kind of assembly type membrane bioreactor |
-
2014
- 2014-09-03 CN CN201410462300.1A patent/CN105384245A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020092872A (en) * | 2002-10-31 | 2002-12-12 | 양기해 | Apparatus for treating wastewater by air organism membrane and soaking organism membrane |
| CN201240978Y (en) * | 2008-07-26 | 2009-05-20 | 崔杰 | Combined type sewage in situ processing system |
| CN202016931U (en) * | 2011-03-14 | 2011-10-26 | 四川和欣环保工程有限公司 | Environmental-friendly treatment device employing standardized tank body and modular processing unit |
| CN202322548U (en) * | 2011-09-08 | 2012-07-11 | 东莞市开源环境科技有限公司 | Anerobic, anoxic, aerobic tanks and bio-membrane reactor combined device for floating boat aeration |
| CN203700028U (en) * | 2014-03-06 | 2014-07-09 | 王璇 | Combined type membrane bioreactor |
| CN204198490U (en) * | 2014-09-03 | 2015-03-11 | 重庆淏园环保科技有限公司 | A kind of assembly type membrane bioreactor |
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Application publication date: 20160309 |
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