CN101215024A - Inclined plate separate film biological reactor - Google Patents
Inclined plate separate film biological reactor Download PDFInfo
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- CN101215024A CN101215024A CNA2008100323996A CN200810032399A CN101215024A CN 101215024 A CN101215024 A CN 101215024A CN A2008100323996 A CNA2008100323996 A CN A2008100323996A CN 200810032399 A CN200810032399 A CN 200810032399A CN 101215024 A CN101215024 A CN 101215024A
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- contact oxidation
- membrane separation
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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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- Activated Sludge Processes (AREA)
Abstract
The invention relates to a sloping-plate-independent membrane bioreactor, which comprises a biological contact oxidation region and a membrane separation region, wherein the two regions are separated by a plurality of sloping plates which are arrayed homogeneously and vertically and are placed horizontally and vertically, the top portion of the first sloping plate of the sloping plates is inundated in sewage, active porosity is left between the lowest sloping plate body and a baseboard of the membrane separation region, thereby achieving the hydraulic circulation between the membrane separation region and the biological contact oxidation region. The invention is capable of achieving pumpless circulation and reducing membrane pollution level of membrane bioreactor simultaneously.
Description
Technical field:
Patent of the present invention relates to the environmental protection equipment technical field that is used for sewage disposal, is specifically related to a kind of separate film biological reactor.
Background technology:
Membrane bioreactor (Memb rane Bioreactor, be called for short MBR) is the biochemical reaction system that the biological degradation with high performance membrane isolation technique and bio-reactor is integrated in one.The settling tank that its uses membrane module to substitute in the traditional activated sludge process is realized mud-water separation, thereby waste water is handled, and has solid-liquid separation rate height, effluent quality is good, processing efficiency is high, take up an area of characteristics such as the space is little, operational management is simple.
Press the position of the setting of membrane module, membrane bioreactor can be divided into separate film biological reactor and integral type film biological reactor.In separated type bio-reactor (RMBR), mixed solution in the bio-reactor is by the laggard people's membrane module of pump supercharging, membrane filtration liquid becomes the system handles water outlet under pressure, active sludge and macromolecular substance etc. then tunicle are held back, and along with concentrated solution is back in the bio-reactor. the characteristics of separated type MBR are: stable and reliable operation, operational administrative is easy, be easy to the cleaning of film, to change and set up. but separate film biological reactor needs recycle pump and circulation line, in order to reduce the deposition of pollutent at face, the mixed solution flow velocity height that provides by recycle pump, therefore power consumption is bigger, circulation line is long simultaneously causes line clogging easily, and initial cost is big.
Summary of the invention:
The objective of the invention is to is at the existing in prior technology shortcoming, and a kind of inclined plate separate film biological reactor is provided, and this device can be realized not having the pump circulation simultaneously and reduce the membrane pollution of membrane bioreactor degree.
The present invention realizes by following technical measures: comprise bio-contact oxidation district, membrane separation zone, aeration unit etc.; It is characterized in that bio-contact oxidation reaction zone and membrane separation zone are separated by several swash plates of evenly placing, swash plate can be created good precipitation environment, sludge settling is back to the bio-contact oxidation district in the iris action lower section of swash plate, make that the biomass of sewage is lower than the biomass of sewage in the bio-contact oxidation district in the membrane separation zone, thereby reduced the contaminated degree of film.
Characteristics of the present invention are that the bio-contact oxidation district is built-in with suspension type filler or suspension style filler, and microorganism growth can increase sludge loading on filler, improve treatment effect, can reduce suspended sludge concentration simultaneously.
Characteristics of the present invention are that the membrane separation zone base plate is from the horizontal by certain angle of inclination, there are certain difference of elevation in membrane separation zone base plate and bio-contact oxidation district base plate, this feature makes the mud of membrane separation zone easily be back to the bio-contact oxidation district, save sludge circulation pump, reduce working cost.
Aeration unit characteristics of the present invention are: the bio-contact oxidation district adopts the micro-pore aeration mode, is mainly microorganism required oxygen is provided; Film separation unit adopts the boring aeration mode, and aeration intensity is higher than micro-pore aeration, in oxygen supply, film is carried out outer flushing.The micro-pore aeration mode combines with the boring aeration mode, compares with simple boring aeration mode, has more economy, can reduce total aeration rate.
Characteristics of the present invention also are to be provided with the gas backwash cleaning device, and the gas back-flushing pipeline is identical with rising pipe, and gas can directly enter film silk inside, and pipeline is shared simultaneously, can reduce the pipeline construction cost.Rising pipe is provided with tensimeter, when the swabbing pressure of pump surpasses regulation numerical value, closes vacuum pump and outlet valve, opens air control valve, realizes back flushing in the film.Combining of the outer back flushing of film in the film in back flushing and the membrane separation zone, film washes more thorough, has reduced the film pollution.This gas back-flushing can adopt the PLC automatic control device.
According to above-mentioned technical measures, the present invention adopts following technical proposals:
A kind of inclined plate separate film biological reactor, comprise biological contact oxidation pond district and membrane separation zone, it is characterized in that bio-contact oxidation reaction zone and membrane separation zone are separated by several swash plates of evenly vertically arranging horizontal vertical placement, first swash plate top in the swash plate is submerged in the sewage, and leave active porosity between the base plate of next piece swash plate and membrane separation zone, realize that membrane separation zone and waterpower between the contact oxidation district circulate.
Above-mentioned bottom, bio-contact oxidation district connects water inlet pipe, and water inlet pipe is provided with under meter; Biological contact oxidation pond district inner chamber is equipped with floating stuffing or suspension type filler; Top, bio-contact oxidation district is provided with upflow tube, and the below is provided with blow-down pipe and shore pipe, and blow-off valve is housed on the blow-down pipe, and mud valve is housed on the shore pipe.
Above-mentioned membrane separation zone inner chamber has only membrane module, and membrane module is submerged under the sewage water surface, and the used mould material of membrane module is polyvinylidene difluoride (PVDF) or polysulfones; The membrane separation zone below is provided with blow-down pipe, and blow-off valve is housed on the blow-down pipe.
Above-mentioned inner chamber bottom, bio-contact oxidation district is provided with aeration head and connects aeration tube through air valve and gas meter, and described membrane separation zone inner chamber bottom is provided with another aeration head and also connects described aeration tube through another air valve and another gas meter.
A pneumatic pump is arranged in the above-mentioned inclined plate separate film biological reactor, it exports one the tunnel and connects described aeration tube, and backwash gas flowmeter body on gas back-flushing pipe of another route and back flushing air valve are connected the outlet pipeline of described membrane module; The outlet pipeline of described membrane module is connected a vacuum pump through a water flow meter and an outlet valve, and a tensimeter also is housed on this outlet pipeline.
Working process of the present invention is: sewage enters the bio-contact oxidation district from water inlet pipe, and under the micro-pore aeration effect, sewage upwards flows, and enters membrane separation zone through swash plate, and sludge settling is back to the bio-contact oxidation district in the iris action lower section of swash plate.The sewage of membrane separation zone upwards flows under the effect of boring aeration, crosses swash plate and enters the bio-contact oxidation district, forms the no pump waterpower circulation of whole inclined plate separate film membrane bioreactor.This reactor aspirates water outlet by vacuum pump.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
1, adopt swash plate that bio-reactor is divided into bio-contact oxidation district and membrane separation zone, realize no pump circulation, no circulating line and sludge circulation pump have reduced capital construction and working cost is low.
2, the film pollution level is lower than existing integral type film biological reactor, and the film backwashing manner is more thorough, economical.
4, adopt micro-pore aeration and boring aeration mode to combine, improve the effective rate of utilization of air, reduce working cost,
3, the present invention easily realizes automated operation, and management operating is convenient.
Description of drawings:
Fig. 1 is the structural representation of an embodiment of invention
Embodiment:
Referring to Fig. 1, a preferred embodiment of the present invention accompanying drawings is as follows: sewage enters bio-contact oxidation district (A) by water inlet pipe (5), and bio-contact oxidation district inner chamber is equipped with suspension type filler or floating stuffing; Bio-contact oxidation district aeration tube aeration makes the sewage thorough mixing providing the required oxygen of biological respinse to promote waterpower simultaneously; Sewage enters membrane separation zone (B) through swash plate (2), and sludge settling is back to bio-contact oxidation district (A) in the iris action lower section of swash plate, makes the biomass of (B) sewage in the membrane separation zone be lower than the biomass of sewage in the bio-contact oxidation district (A); Under the aeration effect of membrane separation zone aeration head (22), the sewage thorough mixing also moves upward and crosses dividing plate and enter bio-contact oxidation district (A), forms the waterpower circulation of whole inclined plate separate film biological reactor.Present embodiment aspirates water outlet by vacuum pump (24), and rising pipe is provided with tensimeter (26), monitors the swabbing pressure of film in real time.The bio-contact oxidation district adopts the micro-pore aeration mode, and membrane separation zone adopts the boring aeration mode, and gas meter (10,13) and gas regulating valve (9,14) are set on the aeration tube, can regulate the size of aeration rate according to running condition.The utility model is provided with the gas backwash cleaning device, the back flushing pipeline is provided with variable valve (21) and gas meter (20), identical with outlet pipeline (25), when tensimeter numerical value surpasses a fixed number, close vacuum pump (24) and outlet valve (25), open variable valve (21), carry out gas back-flushing, this process is back flushing in the film, and membrane separation zone aeration tube aeration can be carried out the outer back flushing of film to membrane module, and the combination of two kinds of backwashing manners makes the flushing of film more thorough.
Referring to Fig. 1, the structure of this inclined plate separate film biological reactor is: comprise a bio-contact oxidation district (A) and membrane separation zone (B), bio-contact oxidation reaction zone (A) and membrane separation zone (B) are separated by several swash plates (2) of evenly vertically arranging horizontal vertical placement, first swash plate top in the swash plate (2) is submerged in the sewage, and leave active porosity between the base plate of next piece swash plate and membrane separation zone (B), realize that membrane separation zone (B) and waterpower between contact oxidation district (A) circulate.
Above-mentioned bottom, bio-contact oxidation district (A) connects water inlet pipe (5), and water inlet pipe (5) is provided with under meter (6); Biological contact oxidation pond district (A) inner chamber is equipped with floating stuffing or suspension type filler (3); Top, bio-contact oxidation district (A) is provided with upflow tube (1), and the below is provided with blow-down pipe (8) and shore pipe (12), and blow-off valve (7) is housed on the blow-down pipe, and mud valve (11) is housed on the shore pipe.
Above-mentioned membrane separation zone (B) inner chamber is equipped with membrane module (23), and membrane module (23) is submerged under the sewage water surface, and the used mould material of membrane module (23) is polyvinylidene difluoride (PVDF) or polysulfones; Membrane separation zone (B) below is provided with blow-down pipe (16), and blow-off valve (15) is housed on the blow-down pipe.
Above-mentioned inner chamber bottom, bio-contact oxidation district (A) is provided with aeration head (4) and connects aeration tube (17) through air valve (9) and gas meter (10), and described membrane separation zone (B) inner chamber bottom is provided with another aeration head (22) and also connects described aeration tube (17) through another air valve (14) and another gas meter (13).
Above-mentioned inclined plate separate film bio-reaction zone has a pneumatic pump (18), it exports one the tunnel and connects described aeration tube (17), and a backwash gas flowmeter body (20) on the gas back-flushing pipe of another route (19) and a back flushing air valve (21) are connected the outlet pipeline of described membrane module (23); The outlet pipeline of described membrane module (23) is connected a vacuum pump (24) through a water flow meter (26) and an outlet valve (25), and a tensimeter (27) also is housed on this outlet pipeline.
Claims (5)
1. inclined plate separate film biological reactor: comprise biological contact oxidation pond district (A) and membrane separation zone (B), it is characterized in that bio-contact oxidation reaction zone (A) and membrane separation zone (B) are separated by several swash plates (2) of evenly vertically arranging horizontal vertical placement, first swash plate top in the swash plate (2) is submerged in the sewage, and leave active porosity between the base plate of next piece swash plate and membrane separation zone (B), realize that membrane separation zone (B) and waterpower between contact oxidation district (A) circulate.
2. inclined plate separate film biological reactor according to claim 1 is characterized in that bottom, described bio-contact oxidation district (A) connects water inlet pipe (5), and water inlet pipe (5) is provided with under meter (6); Biological contact oxidation pond district (A) inner chamber is equipped with floating stuffing or suspension type filler (3); Top, bio-contact oxidation district (A) is provided with upflow tube (1), and the below is provided with blow-down pipe (8) and shore pipe (12), and blow-off valve (7) is housed on the blow-down pipe, and mud valve (11) is housed on the shore pipe.
3. according to as the right 1 ramp type separate film biological reactor that requires, it is characterized in that described membrane separation zone (B) inner chamber is equipped with membrane module (23), membrane module (23) is submerged under the sewage water surface, and the used mould material of membrane module (23) is polyvinylidene difluoride (PVDF) or polysulfones; Membrane separation zone (B) below is provided with blow-down pipe (16), and blow-off valve (15) is housed on the blow-down pipe.
4. according to claim 2 or 3 described inclined plate separate film biological reactors, it is characterized in that inner chamber bottom, described bio-contact oxidation district (A) is provided with aeration head (4) and connects aeration tube (17) through air valve (9) and gas meter (10), and described membrane separation zone (B) inner chamber bottom is provided with another aeration head (22) and also connects described aeration tube (17) through another air valve (14) and another gas meter (13).
5. inclined plate separate film biological reactor according to claim 4, it is characterized in that having a pneumatic pump (18), it exports one the tunnel and connects described aeration tube (17), and a backwash gas flowmeter body (20) on the gas back-flushing pipe of another route (19) and a back flushing air valve (21) are connected the outlet pipeline of described membrane module (23); The outlet pipeline of described membrane module (23) is connected a vacuum pump (24) through a water flow meter (26) and an outlet valve (25), and a tensimeter (27) also is housed on this outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100323996A CN100567172C (en) | 2008-01-08 | 2008-01-08 | Inclined plate separate film biological reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100323996A CN100567172C (en) | 2008-01-08 | 2008-01-08 | Inclined plate separate film biological reactor |
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| CN101215024A true CN101215024A (en) | 2008-07-09 |
| CN100567172C CN100567172C (en) | 2009-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2008100323996A Expired - Fee Related CN100567172C (en) | 2008-01-08 | 2008-01-08 | Inclined plate separate film biological reactor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838206A (en) * | 2012-06-25 | 2012-12-26 | 杭州师范大学 | Inclined plate type synchronous denitrification and desulphurization anaerobic biomembrane reactor |
| CN104118952A (en) * | 2014-07-08 | 2014-10-29 | 清华大学 | Sewage synchronous coagulation-adsorption-membrane condensation recycling pretreatment device and method |
| CN104876327A (en) * | 2015-04-17 | 2015-09-02 | 大连理工大学 | Folded plate membrane assembly for retarding membrane pollution in membrane bioreactor |
| CN105836967A (en) * | 2016-05-12 | 2016-08-10 | 北京易普优能科技有限公司 | Method for treating sewage by adopting dual-uncoupling membrane bioreactor |
| CN105836878A (en) * | 2016-05-12 | 2016-08-10 | 北京易普优能科技有限公司 | Membrane bioreactor with duplex decoupling function |
| CN105858872A (en) * | 2016-03-28 | 2016-08-17 | 杭州师范大学 | Moving-bed biological membrane coupled osmosis membrane biological reactor |
| CN106698653A (en) * | 2016-12-14 | 2017-05-24 | 天津膜天膜科技股份有限公司 | Composite energy-saving and consumption-reducing MBR sewage treatment system |
| CN110465121A (en) * | 2019-09-09 | 2019-11-19 | 苏州达道环保科技有限公司 | A kind of inclined plate inclined-pipe settler |
-
2008
- 2008-01-08 CN CNB2008100323996A patent/CN100567172C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838206A (en) * | 2012-06-25 | 2012-12-26 | 杭州师范大学 | Inclined plate type synchronous denitrification and desulphurization anaerobic biomembrane reactor |
| CN102838206B (en) * | 2012-06-25 | 2013-11-27 | 杭州师范大学 | Inclined plate type synchronous denitrification and desulphurization anaerobic biomembrane reactor |
| CN104118952A (en) * | 2014-07-08 | 2014-10-29 | 清华大学 | Sewage synchronous coagulation-adsorption-membrane condensation recycling pretreatment device and method |
| CN104118952B (en) * | 2014-07-08 | 2015-12-09 | 清华大学 | Synchronous coagulation-absorption-membrane concentration resource utilization the pretreatment unit of sewage and method thereof |
| CN104876327A (en) * | 2015-04-17 | 2015-09-02 | 大连理工大学 | Folded plate membrane assembly for retarding membrane pollution in membrane bioreactor |
| CN105858872A (en) * | 2016-03-28 | 2016-08-17 | 杭州师范大学 | Moving-bed biological membrane coupled osmosis membrane biological reactor |
| CN105836967A (en) * | 2016-05-12 | 2016-08-10 | 北京易普优能科技有限公司 | Method for treating sewage by adopting dual-uncoupling membrane bioreactor |
| CN105836878A (en) * | 2016-05-12 | 2016-08-10 | 北京易普优能科技有限公司 | Membrane bioreactor with duplex decoupling function |
| CN105836878B (en) * | 2016-05-12 | 2018-11-02 | 北京易普优能科技有限公司 | Membrane bioreactor |
| CN105836967B (en) * | 2016-05-12 | 2018-12-18 | 北京易普优能科技有限公司 | Using the method for membrane bioreactor sewage treatment |
| CN106698653A (en) * | 2016-12-14 | 2017-05-24 | 天津膜天膜科技股份有限公司 | Composite energy-saving and consumption-reducing MBR sewage treatment system |
| CN110465121A (en) * | 2019-09-09 | 2019-11-19 | 苏州达道环保科技有限公司 | A kind of inclined plate inclined-pipe settler |
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| Publication number | Publication date |
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| CN100567172C (en) | 2009-12-09 |
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Granted publication date: 20091209 Termination date: 20170108 |