CN101402487A - Water treatment system in two-stage moving bed biomembrane reactor - Google Patents
Water treatment system in two-stage moving bed biomembrane reactor Download PDFInfo
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- CN101402487A CN101402487A CNA2008102268531A CN200810226853A CN101402487A CN 101402487 A CN101402487 A CN 101402487A CN A2008102268531 A CNA2008102268531 A CN A2008102268531A CN 200810226853 A CN200810226853 A CN 200810226853A CN 101402487 A CN101402487 A CN 101402487A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention belongs to the field of water treatment, and relates to a two-stage moving bed biomembrane reactor medium water treatment system. The two-stage moving bed biomembrane reactor medium water treatment system is characterized in that the whole process adopts a programmable PLC automatic control system; the main treatment structure is two-stage cascade connected moving bed biomembrane reactors; and the concrete process flow is as follows: domestic sewage or sewage with similar water quality enters a regulating pond through grates and then enters a first-stage MBBR reactor and a second-stage MBBR reactor in turn by pump lifting; and then the water is outputted into a depositing pond, enters a clear water pond and is reused for flushing toilet or as landscape water after cyclic ultraviolet sterilization. The two-stage moving bed biomembrane reactor medium water treatment system has the advantages that: 1 the system has good medium water treatment effects, stronger resistance to shock load and stable outputted water quality; 2 the system has simple and convenient operating management, a small floor area, convenient maintenance and little excessive sludge; and the system adopts the PLC automatic control system with high automatic degree; 3 the system adopts a mechanical aeration mode, thereby bringing about low energy consumption and good oxygenation performance without an independent blower; 4 the system adopts a cyclic ultraviolet sterilization mode without any medicament added during the whole process, thereby avoiding the secondary pollution; and 5 the system has a wide application range.
Description
Technical field
The invention belongs to water treatment field, relate to a kind of middle water treatment system of bioprocess technology, be particularly for water treatment system in the two-stage moving bed biomembrane reactor (MBBR).
Background technology
In water mainly be meant municipal effluent or sanitary sewage reach after treatment certain water quality standard, can the reusable within the specific limits non-miscellaneous water of drinking, its water quality is between Shang Shui and following water water quality.China has been the 13rd the poor-water state in the world at present, and water resources very plaque is weary, has more than 400 city to be in exsiccosis, and the some of them area has been carried out the mode that supplies water with restriction and advocated water saving, has so also brought inconvenience to the people.Simultaneously, a large amount of sewage discharges has not only caused the serious environmental pollution, also profligacy precious water resource.In water resources today in short supply day by day, the water after handling is back to greening, flushing vehicle and washes the lavatory, be that its application prospect is very extensive with a kind of effective form of sewage recycling.
Water technology in more existing, its main processing unit mostly is coagulating sedimentation, air supporting or catalytic oxidation, membrane bioreactor etc. greatly, according to document (industrial safety and environmental protection, 2006,32[6], 17) and document (Nanjing Institute of Technology's journal, 2005,3[4], 65) report, it exists shortcomings such as poor, the easily stifled match of capacity of resisting impact load, effluent quality instability respectively, has influenced the quality of middle water treatment, operation and maintenance cost height simultaneously, factor such as equipment energy consumption is big has also restricted the application of middle water treating equipment.On the other hand, its disinfection way is mainly chlorine disinfectant method, ozone disinfection, chloramine disinfection and disinfection by chlorine dioxide method, exists the risk of secondary pollution simultaneously at the dosing disinfectant.
Summary of the invention
The objective of the invention is for a kind of level of automation height is provided, floor space is little, easy to maintenance, surplus sludge volume is few, the middle water technology of stable effluent quality; Technology whole process need not to add medicament, can avoid the generation of secondary pollution.
Water treatment system in a kind of two-stage moving bed biomembrane reactor, it is characterized in that technical process is: sanitary sewage enters equalizing tank 2 through grid 1, enter one-level MBBR reactor 3 through submersible pump 8 liftings, in one-level MBBR reactor 3, adopt mechamical xurface aeration 10 modes, make reactor be in oxygen condition, add multiaspect hollow ball filler 12, the microbial film coexistence of adhering on active sludge that suspends and the filler, except can removing organism and ammonia nitrogen, double oxygen of the inner formation of microbial film and anaerobic layer be denitrogenation dephosphorizing simultaneously.Water outlet is that gravity flows to into secondary MBBR reactor 4, adds cylinder external spiral 13 in the pond, adopts rotating cage type aerating apparatus 11, further removes organism, nitrogen, phosphorus, and makes technology of the present invention have stronger capacity of resisting impact load.The water outlet of secondary MBBR reactor still enters clean water basin 6 for gravity flows to into settling tank 5 back overflows, carries out reuse after removing pathogenic micro-organisms by round-robin apparatus for ultraviolet disinfection 8 again, is used to flush the toilet, landscape water etc.Technology whole process using programmable PLC automatic control system.
Above-mentioned secondary MBBR reactor cell body top is rectangular parallelepiped, and the lower section is a semicylinder, and the bottom is provided with mud discharging mouth, adopts the rotating cage type aerating apparatus, is provided with floating stuffing in the pond, has microbial film on the filler; The water outlet of firsts and seconds MBBR reactor is equipped with a mesh screen 18 that aperture size is slightly little, can hold back carrier and suspended sludge; Different according to the water quality treatment and the water yield, secondary MBBR reactor both can singlely use, and can adopt 2-5 mode in parallel to use again.
Be provided with submersible pump 9 in the above-mentioned clean water basin, with squeezing in the apparatus for ultraviolet disinfection of the middle water cycle after handling; Apparatus for ultraviolet disinfection is the quartz burner of several parallel connections.
Above-mentioned programmable PLC automatic control system can be controlled automatically to height, the running of submersible pump, aeration time, the sterilizing unit of liquid level.
In sum, compare, the invention has the advantages that with middle water technology in the past:
1) water treatment is effective in.In the MBBR (MBBR) of the present invention's employing, the active sludge of suspension and the microbial film that adheres to coexistence, except can removing organism and ammonia nitrogen, double oxygen of the inner formation of microbial film and anaerobic layer be denitrogenation dephosphorizing simultaneously.In addition, adopt two-stage MBBR, make this technology have stronger capacity of resisting impact load, stable effluent quality.
2) operational management is easy.Adopt MBBR technology, floor space is little, and is easy to maintenance, and surplus sludge volume is few; Adopt the PLC automatic control system, the level of automation height.
3) the present invention adopts the mechanical aeration mode, and energy consumption is little, and can make carrier present good fluidized state, and oxygenation capacity is good, need not to be provided with separately blower equipment.
4) adopt circulation ultraviolet radiation for sterilizing and disinfecting mode, can guarantee stable effluent quality.Technology whole process need not to add medicament, can avoid the generation of secondary pollution.
5) applied range can and be handled the different of water quantity and quality according to processing requirements, changes the series-parallel system and the specification size of MBBR reactor flexibly.
Description of drawings
Fig. 1 is a process flow sheet of the present invention
Fig. 2 is a process unit synoptic diagram of the present invention
Fig. 3 is an one-level MBBR reactor assembly synoptic diagram of the present invention
Fig. 4 is a secondary MBBR reactor assembly front view of the present invention
Fig. 5 is a secondary MBBR reactor assembly side-view of the present invention
Embodiment
As shown in Figure 1, 2, sanitary sewage enters equalizing tank 2 through grid 1, after pump 8 liftings enter one-level MBBR reactor 3, secondary MBBR reactor 4 in proper order, water outlet enters clean water basin 6 in settling tank 5 overflows then, again by carrying out reuse behind the round-robin apparatus for ultraviolet disinfection 7.Different according to the water quality treatment and the water yield, secondary MBBR reactor 4 can adopt the mode of a plurality of parallel connections.
As Fig. 4, shown in Figure 5, secondary MBBR reactor cell body top is rectangular parallelepiped, and the lower section is a semicylinder, the bottom is provided with mud discharging mouth, adopt rotating cage type aerating apparatus 14 (rotating cages), 16 (motors), 17 (chains), be provided with floating stuffing 15 in the pond, have microbial film on the filler; The water outlet of reactor is provided with a slightly little mesh screen 18 of aperture size can hold back carrier and suspended sludge.
Implementation example
As shown in Figure 2, sanitary sewage enters equalizing tank 2 through grid 1, enter one-level MBBR reactor 3 through submersible pump 8 liftings, in one-level MBBR reactor 3, adopt mechamical xurface aeration 10 modes, make reactor be in oxygen condition, add multiaspect hollow ball filler 12, the microbial film coexistence of adhering on active sludge that suspends and the filler, except can removing organism and ammonia nitrogen, double oxygen of the inner formation of microbial film and anaerobic layer be denitrogenation dephosphorizing simultaneously.Water outlet is that gravity flows to into secondary MBBR reactor 4, adds cylinder external spiral 13 in the pond, adopts rotating cage type aerating apparatus 11, further removes organism, nitrogen, phosphorus, and makes technology of the present invention have stronger capacity of resisting impact load.Water outlet still enters clean water basin 6 for gravity flows to into settling tank 5 back overflows, carries out reuse after removing pathogenic micro-organisms by round-robin apparatus for ultraviolet disinfection 8 again, is used to flush the toilet, landscape water etc.Because technology surplus sludge volume of the present invention is little, reflux so need not to carry out mud.Through the processing of above technology, the every index of water outlet is better than national reuse standard requirement.
Claims (4)
1. water treatment system in the two-stage moving bed biomembrane reactor, it is characterized in that technical process is: sanitary sewage enters equalizing tank (2) through grid (1), enter one-level MBBR reactor (3) through submersible pump (8) lifting, in one-level MBBR reactor (3), adopt mechamical xurface aeration (10) mode, make reactor be in oxygen condition, add multiaspect hollow ball filler (12), the microbial film coexistence of adhering on active sludge that suspends and the filler, except removing organism and ammonia nitrogen, inner hold concurrently oxygen and the anaerobic layer energy while denitrogenation dephosphorizing of forming of microbial film; Water outlet is that gravity flows to into secondary MBBR reactor (4), adds cylinder external spiral (13) in the pond, adopts rotating cage type aerating apparatus (11), further removes organism, nitrogen, phosphorus; The water outlet of secondary MBBR reactor still enters clean water basin (6) for gravity flows to into the overflow of settling tank (5) back, again by carrying out reuse behind round-robin apparatus for ultraviolet disinfection (8) the removal pathogenic micro-organism, is used to flush the toilet, landscape water; Technology whole process using programmable PLC automatic control system.
2. water treatment system in a kind of two-stage moving bed biomembrane reactor as claimed in claim 1, it is characterized in that secondary MBBR reactor cell body top is rectangular parallelepiped, the lower section is a semicylinder, the bottom is provided with mud discharging mouth, adopt the rotating cage type aerating apparatus, be provided with floating stuffing in the pond, have microbial film on the filler; The water outlet of firsts and seconds MBBR reactor is equipped with a small-bore mesh screen (18), can hold back carrier and suspended sludge; Different according to the water quality treatment and the water yield can singlely be used, and can adopt 2--5 mode in parallel to use again.
3. water treatment system in a kind of two-stage moving bed biomembrane reactor as claimed in claim 1 is characterized in that being provided with in the clean water basin submersible pump (9), with squeezing in the apparatus for ultraviolet disinfection of the middle water cycle after handling; Apparatus for ultraviolet disinfection is a 2-8 quartz burner in parallel.
4. water treatment system in a kind of two-stage moving bed biomembrane reactor as claimed in claim 1 is characterized in that the programmable PLC automatic control system can control automatically to height, the running of submersible pump, aeration time, the sterilizing unit of liquid level.
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| CNA2008102268531A CN101402487A (en) | 2008-11-18 | 2008-11-18 | Water treatment system in two-stage moving bed biomembrane reactor |
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| CNA2008102268531A CN101402487A (en) | 2008-11-18 | 2008-11-18 | Water treatment system in two-stage moving bed biomembrane reactor |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786770A (en) * | 2010-03-12 | 2010-07-28 | 浙江至美环境科技有限公司 | Oligodynamic moving bed sanitary sewage disposal system |
| CN101830607A (en) * | 2010-05-24 | 2010-09-15 | 哈尔滨工程大学 | Alternate two-stage aerobic membrane bioreactor |
| CN102329056A (en) * | 2011-09-08 | 2012-01-25 | 大连理工大学 | Marine sewage treatment integrated device on basis of biological moving beds |
| CN102358672A (en) * | 2011-09-22 | 2012-02-22 | 大连格兰清水环境工程有限公司 | Five-segment medical wastewater intelligent treatment machine and water feed control thereof |
| CN102583718A (en) * | 2012-03-09 | 2012-07-18 | 高晓华 | MBBR (Moving Bed Biofilm Reactor) packing material negative pressure and positive pressure conveying method and device |
| CN102020395B (en) * | 2009-09-11 | 2012-09-05 | 上海浩为环境工程有限公司 | Decentralized sewage treatment method |
| CN102976553A (en) * | 2012-11-19 | 2013-03-20 | 四川大学 | Method for biological denitrogenation of nitrogen-containing organic industrial wastewater |
| CN102976552A (en) * | 2012-11-19 | 2013-03-20 | 四川大学 | Method for deep treatment on difficultly-degraded organic nitrogen-containing industrial wastewater |
| CN103864211A (en) * | 2014-02-26 | 2014-06-18 | 上海大学 | Method for processing food processing wastewater by adopting facultative membrane bioreactor and facultative membrane bioreactor |
| CN104085988A (en) * | 2014-07-11 | 2014-10-08 | 北京科技大学 | Device and method for processing coking wastewater by adopting suspended filler-anaerobic membrane bioreactor |
| CN104496014A (en) * | 2014-12-23 | 2015-04-08 | 东北农业大学 | Biological treatment device of wastewater and cultivation method of aerobic granular sludge |
| CN105293835A (en) * | 2015-11-25 | 2016-02-03 | 中山市厚源电子科技有限公司 | Countryside village and town domestic sewage treatment system |
| CN107473379A (en) * | 2017-08-21 | 2017-12-15 | 武汉和尔环保科技有限公司 | A kind of movable container formula sewage-treatment plant |
| CN108862563A (en) * | 2018-06-25 | 2018-11-23 | 安徽恒宇环保设备制造股份有限公司 | A kind of MBBR technique for nanometer water process |
| CN109179657A (en) * | 2018-09-30 | 2019-01-11 | 诚通凯胜生态建设有限公司 | A kind of second level fluidized bed domestic sewage processing method and device |
| CN111170470A (en) * | 2020-01-15 | 2020-05-19 | 浙江永续环境工程有限公司 | Composite strain biological fluidized bed membrane reactor |
-
2008
- 2008-11-18 CN CNA2008102268531A patent/CN101402487A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020395B (en) * | 2009-09-11 | 2012-09-05 | 上海浩为环境工程有限公司 | Decentralized sewage treatment method |
| CN101786770A (en) * | 2010-03-12 | 2010-07-28 | 浙江至美环境科技有限公司 | Oligodynamic moving bed sanitary sewage disposal system |
| CN101830607A (en) * | 2010-05-24 | 2010-09-15 | 哈尔滨工程大学 | Alternate two-stage aerobic membrane bioreactor |
| CN102329056A (en) * | 2011-09-08 | 2012-01-25 | 大连理工大学 | Marine sewage treatment integrated device on basis of biological moving beds |
| CN102358672B (en) * | 2011-09-22 | 2014-01-22 | 大连格兰清水环境工程有限公司 | Five-segment medical wastewater intelligent treatment machine and water feed control thereof |
| CN102358672A (en) * | 2011-09-22 | 2012-02-22 | 大连格兰清水环境工程有限公司 | Five-segment medical wastewater intelligent treatment machine and water feed control thereof |
| CN102583718A (en) * | 2012-03-09 | 2012-07-18 | 高晓华 | MBBR (Moving Bed Biofilm Reactor) packing material negative pressure and positive pressure conveying method and device |
| CN102976552A (en) * | 2012-11-19 | 2013-03-20 | 四川大学 | Method for deep treatment on difficultly-degraded organic nitrogen-containing industrial wastewater |
| CN102976553A (en) * | 2012-11-19 | 2013-03-20 | 四川大学 | Method for biological denitrogenation of nitrogen-containing organic industrial wastewater |
| CN103864211A (en) * | 2014-02-26 | 2014-06-18 | 上海大学 | Method for processing food processing wastewater by adopting facultative membrane bioreactor and facultative membrane bioreactor |
| CN104085988A (en) * | 2014-07-11 | 2014-10-08 | 北京科技大学 | Device and method for processing coking wastewater by adopting suspended filler-anaerobic membrane bioreactor |
| CN104496014A (en) * | 2014-12-23 | 2015-04-08 | 东北农业大学 | Biological treatment device of wastewater and cultivation method of aerobic granular sludge |
| CN105293835A (en) * | 2015-11-25 | 2016-02-03 | 中山市厚源电子科技有限公司 | Countryside village and town domestic sewage treatment system |
| CN107473379A (en) * | 2017-08-21 | 2017-12-15 | 武汉和尔环保科技有限公司 | A kind of movable container formula sewage-treatment plant |
| CN108862563A (en) * | 2018-06-25 | 2018-11-23 | 安徽恒宇环保设备制造股份有限公司 | A kind of MBBR technique for nanometer water process |
| CN109179657A (en) * | 2018-09-30 | 2019-01-11 | 诚通凯胜生态建设有限公司 | A kind of second level fluidized bed domestic sewage processing method and device |
| CN109179657B (en) * | 2018-09-30 | 2022-04-26 | 诚通凯胜生态建设有限公司 | Secondary fluidized bed domestic sewage treatment method and device |
| CN111170470A (en) * | 2020-01-15 | 2020-05-19 | 浙江永续环境工程有限公司 | Composite strain biological fluidized bed membrane reactor |
| CN111170470B (en) * | 2020-01-15 | 2021-09-28 | 浙江永续环境工程有限公司 | Composite strain biological fluidized bed membrane reactor |
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Open date: 20090408 |