CN101962225A - External anaerobic ammonia oxidation membrane bioreactor - Google Patents
External anaerobic ammonia oxidation membrane bioreactor Download PDFInfo
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- CN101962225A CN101962225A CN2010105234163A CN201010523416A CN101962225A CN 101962225 A CN101962225 A CN 101962225A CN 2010105234163 A CN2010105234163 A CN 2010105234163A CN 201010523416 A CN201010523416 A CN 201010523416A CN 101962225 A CN101962225 A CN 101962225A
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Abstract
The invention discloses an external anaerobic ammonia oxidation membrane bioreactor and relates to an external membrane bioreactor, which aim to solve the problems of serious sludge run-off of the current anaerobic ammonia oxidation reactors and adverse living environment of anaerobic ammonia oxidation bacteria due to frequent extraction of membrane components in built-in anaerobic ammonia oxidation membrane bioreactors. In the external anaerobic ammonia oxidation membrane bioreactor, a plurality of membrane filaments are arranged in an organic glass pipe along the direction of a central axis; a water inlet tank is communicated with the inlet end of a water inlet pump; the water inlet pump is electrically connected with an electronic ball float valve; the electronic ball float valve is arranged in an anaerobic tank; the water inlet pump is communicated with the anaerobic tank; a stirring paddle and a connecting pipe of a moisture flowmeter are arranged in the anaerobic tank; the anaerobic tank is communicated with an organic glass cylinder; each membrane filament is communicated with a water outlet pump; the organic glass cylinder is communicated with a reflux pump; the reflux pump is communicated with the anaerobic tank; the water outlet pump is communicated with a water outlet cylinder; a pressure sensor is connected with a data acquisition module; the data acquisition module is connected with a computer; a liquid level meter is arranged in the water outlet cylinder; and the liquid level meter is connected with the data acquisition module. The external anaerobic ammonia oxidation membrane bioreactor is used for sewage treatment.
Description
Technical field
The present invention relates to a kind of external membrane bioreactor.
Background technology
Bio-denitrification technology is widely used in the production practice having obtained develop rapidly over nearly 20 years.But using maximum still is traditional nitration denitrification technology.But there are problems in traditional nitration denitrification technology: flow process is longer, and floor space is big, the initial cost height; For obtaining higher sludge concentration and nitric efficiency, need carry out mud backflow and nitrification liquid and reflux, power consumption is big; Add in the alkali He in the nitrifying process and produce acidity, denitrification process additional carbon, running cost height; A little less than the mud capacity of resisting impact load; May cause secondary pollution etc.
Therefore, seek less energy-consumption, high efficiency novel denitride technology is imperative.In novel biological denitrification process, the anaerobic ammonia oxidation process advantage significantly receives much concern.Compare with complete nitrification-denitrification process, it can save 62.5% aeration rate and 50% alkali consumption in theory, and need not to add organic carbon source; In addition, because the cell yield of anaerobic ammonia oxidizing bacteria is well below denitrifying bacteria, the sludge yield of anaerobic ammonia oxidation process has only 15% of traditional denitrification process, alleviates the processing and the disposal of excess sludge in a large number.
The Anammox phenomenon in nineteen ninety-five since Holland is found and names, a lot of scholars utilize the laboratory scale reactor by the different kind mud success enrichment of inoculation anaerobic ammonia oxidizing bacteria, and its characteristic carried out many-sided research.But some countries and the Japanese sewage disposal practical engineering project that has based on anaerobic ammonia oxidation process of having only Europe.And anaerobic ammonia oxidizing bacteria characteristics long, that cell yield is low generation time have seriously limited anaerobic ammonia oxidation process widespread use in actual engineering.
Therefore, keep the sludge concentration of anaerobism ammonia oxygen bacterium in reactor most important to improving the Anammox nitric efficiency.The principal mode of the reactor of laboratory study at present and practical engineering application is sequence intermittent activated sludge process and upflow anaerobic sludge blanket process, but sludge loss is a big problem.For existing built-in membrane bioreactor,, very unfavorable to the living environment of the anaerobism ammonia oxygen bacterium in the reactor because of membrane module needs often to change to cause oxygen to enter in the system.
Summary of the invention
The purpose of this invention is to provide a kind of external placed type Anammox membrane bioreactor, often take out the living environment very disadvantageous problem of membrane module anaerobism ammonia oxygen bacterium to solve the serious and built-in Anammox membrane bioreactor of present anaerobic ammonia oxidation reactor sludge loss.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: described bio-reactor comprises inlet chest, intake pump, the electronic float valve, anaerobic jar, stirring rake, wet test meter, go out water pump, reflux pump, water output cylinder, pressure transmitter, data acquisition module, membrane module and liquid level instrument, membrane module is by cylindrical synthetic glass tube, barometric pipe and a plurality of film silk constitute, the top of synthetic glass tube is provided with barometric pipe, a plurality of film silks are located in the synthetic glass tube along central axial direction, inlet chest is communicated with the entrance end of intake pump, intake pump is electrically connected with the electronic float valve, the electronic float valve is located in the anaerobic jar, the exit end of intake pump is communicated with first entrance end of anaerobic jar, the pipe connecting of stirring rake and flux of moisture meter is located in the anaerobic jar, the exit end of anaerobic jar is communicated with the entrance end of synthetic glass tube, the water side of each film silk is communicated with the entrance end that goes out water pump, second exit end of synthetic glass tube is communicated with the entrance end of reflux pump, the exit end of reflux pump is communicated with second entrance end of anaerobic jar, water outlet pump outlet end is communicated with water output cylinder, pressure transmitter is located at membrane module and goes out between the water pump, the signal output part of pressure transmitter is connected with first signal input part of data acquisition module, be provided with the liquid level instrument in the water output cylinder, the signal output part of liquid level instrument is connected with the second signal input terminus of data acquisition module.
The present invention has following beneficial effect: 1. the present invention has the effect of efficiently holding back mud, makes the concentration of anaerobic ammonia oxidizing bacteria in the reactor reach maximum, avoids sludge loss, influences effluent quality; Sludge yield minimum (remove unartificial bat mud, do not produce otherwise do not have mud basically), high sludge concentration achieves denitrogenation efficiently.2. the present invention is located at the outside of anaerobic jar with membrane module, does not influence the coenocorrelation in the anaerobic jar when changing membrane module, has farthest protected the concentration of anaerobic ammonia oxidizing bacteria, guarantees anaerobic environment.3. referring to Fig. 2, anaerobic ammonia oxidizing bacteria is housed in anaerobic jar, through after the reactor for treatment of the present invention, ammonia-N removal rate reaches more than 85% in the sewage, and the nitrite nitrogen removal efficiency reaches more than 90%.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention, Fig. 2 be contain the ammonia nitrogen of different concns and nitrate nitrogen sewage after reactor for treatment of the present invention, contain the experiment effect figure of the concentration of ammonia nitrogen and nitrate nitrogen in the sewage, wherein MBR is a reactor of the present invention.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, the bio-reactor of present embodiment comprises inlet chest 1, intake pump 2, electronic float valve 3, anaerobic jar 4, stirring rake 5, wet test meter 6, go out water pump 7, reflux pump 8, water output cylinder 9, pressure transmitter 10, data acquisition module 11, membrane module 12 and liquid level instrument 13, membrane module 12 is by cylindrical synthetic glass tube 12-1, barometric pipe 12-2 and a plurality of film silk 12-3 constitute, the top of synthetic glass tube 12-1 is provided with barometric pipe 12-2, a plurality of film silk 12-3 are located in the synthetic glass tube 12-1 along central axial direction, inlet chest 1 is communicated with the entrance end of intake pump 2, intake pump 2 is electrically connected with electronic float valve 3, electronic float valve 3 is located in the anaerobic jar 4, intake pump 2 exit end are communicated with first entrance end of anaerobic jar 4, the pipe connecting of stirring rake 5 and flux of moisture meter 6 is located in the anaerobic jar 4, the exit end of anaerobic jar 4 is communicated with the entrance end of synthetic glass tube 12-1, the water side of each film silk 12-3 is communicated with the entrance end that goes out water pump 7, second exit end of synthetic glass tube 12-1 is communicated with the entrance end of reflux pump 8, the exit end of reflux pump 8 is communicated with second entrance end of anaerobic jar 4, the exit end that goes out water pump 7 is communicated with water output cylinder 9, pressure transmitter 10 is located at membrane module 12 and goes out between the water pump 7, the signal output part of pressure transmitter 10 is connected with first signal input part of data acquisition module 11, be provided with liquid level instrument 13 in the water output cylinder 9, the signal output part of liquid level instrument 13 is connected with the second signal input terminus of data acquisition module 11.
Embodiment two: in conjunction with Fig. 1 present embodiment is described, the low side of the pressure transmitter 10 of present embodiment is higher than the water side of each film silk 12-3, and the difference between the two is 2-3cm.Other compositions and annexation are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1, the bio-reactor of present embodiment also comprises water bath containers 15 and temperature control rod 16, anaerobic jar 4 is located in the water bath containers 15, is provided with temperature control rod 16 in the water bath containers 15, and this structure guarantees that temperature maintenance is at 35 ℃ in the anaerobic jar 4.Other compositions and annexation are identical with embodiment one.
Principle of work: the sewage in the inlet chest 1 is continuously pumped in the anaerobic jar 4 by intake pump 2, and electronic float valve 3 rises when water level reaches definite value in the anaerobic jar, and closes intake pump 2, to avoid the too high sludge loss that causes of liquid level; Be provided with anaerobic ammonia oxidizing bacteria in the anaerobic jar 4, stirring rake 5 is with sewage and the abundant mixing of anaerobic ammonia oxidizing bacteria in the anaerobic jar 4, form mud mixture, in mud mixture flows into the synthetic glass tube 12-1 in anaerobic jar 4 by gravity, mud mixture is through the millipore filtration on film silk 12-3 surface, clear water enters a plurality of film silk 12-3 inside, and enters into water output cylinder 9 through going out water pump 7; Remaining mud mixture is back in the anaerobic jar 4 through reflux pump 8 among the synthetic glass tube 12-1;
Pressure transmitter 10 is used for monitoring transmembrane pressure TMP; After the water outlet that goes out water pump 7 is collected in the water output cylinder 9, per 10 seconds given data acquisition module 11 with the liquid level signal transmission primaries of water output cylinder 9 by the liquid level instrument, data acquisition module 11 is aggregated on the computer, computer is according to the internal diameter and the liquid level lift velocity of water output cylinder 9, adjust out real fluxes, transmembrane pressure write down once in per 5 minutes, and per 30 minutes records of the real fluxes of film once.
Claims (3)
1. external placed type Anammox membrane bioreactor, it is characterized in that described bio-reactor comprises inlet chest (1), intake pump (2), electronic float valve (3), anaerobic jar (4), stirring rake (5), wet test meter (6), go out water pump (7), reflux pump (8), water output cylinder (9), pressure transmitter (10), data acquisition module (11), membrane module (12) and liquid level instrument (13), membrane module (12) is by cylindrical synthetic glass tube (12-1), barometric pipe (12-2) and a plurality of film silk (12-3) constitute, the top of synthetic glass tube (12-1) is provided with barometric pipe (12-2), a plurality of film silks (12-3) are located in the synthetic glass tube (12-1) along central axial direction, inlet chest (1) is communicated with the entrance end of intake pump (2), intake pump (2) is electrically connected with electronic float valve (3), electronic float valve (3) is located in the anaerobic jar (4), the exit end of intake pump (2) is communicated with first entrance end of anaerobic jar (4), the pipe connecting of stirring rake (5) and flux of moisture meter (6) is located in the anaerobic jar (4), the exit end of anaerobic jar (4) is communicated with the entrance end of synthetic glass tube (12-1), the water side of each film silk (12-3) is communicated with the entrance end that goes out water pump (7), second exit end of synthetic glass tube (12-1) is communicated with the entrance end of reflux pump (8), the exit end of reflux pump (8) is communicated with second entrance end of anaerobic jar (4), the exit end that goes out water pump (7) is communicated with water output cylinder (9), pressure transmitter (10) is located at membrane module (12) and goes out between the water pump (7), the signal output part of pressure transmitter (10) is connected with first signal input part of data acquisition module (11), be provided with liquid level instrument (13) in the water output cylinder (9), the signal output part of liquid level instrument (13) is connected with the second signal input terminus of data acquisition module (11).
2. according to the described external placed type Anammox of claim 1 membrane bioreactor, it is characterized in that the low side of pressure transmitter (10) is higher than the water side of each film silk (12-3), the difference between the two is 2-3cm.
3. according to claim 1 or 2 described external placed type Anammox membrane bioreactors, it is characterized in that described bio-reactor also comprises water bath containers (15) and temperature control rod (16), anaerobic jar (4) is located in the water bath containers (15), is provided with temperature control rod (16) in the water bath containers (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105234163A CN101962225B (en) | 2010-10-28 | 2010-10-28 | External anaerobic ammonia oxidation membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105234163A CN101962225B (en) | 2010-10-28 | 2010-10-28 | External anaerobic ammonia oxidation membrane bioreactor |
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| CN101962225A true CN101962225A (en) | 2011-02-02 |
| CN101962225B CN101962225B (en) | 2012-07-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153251A (en) * | 2011-05-11 | 2011-08-17 | 上海膜达克环保工程有限公司 | External anaerobic membrane bioreactor and waste water purification technology thereof |
| WO2013185350A1 (en) * | 2012-06-15 | 2013-12-19 | 乐金电子研发中心(上海)有限公司 | Internal-circulation aeration anammox-membrane bioreactor |
| CN104710005A (en) * | 2015-03-25 | 2015-06-17 | 苏州苏科环保科技有限公司 | External anaerobic membrane bioreactor |
| CN104961231A (en) * | 2015-06-25 | 2015-10-07 | 南昌大学 | Anaerobic ammonia oxidation reactor device |
| CN106365373A (en) * | 2015-07-24 | 2017-02-01 | 王玮 | Method and apparatus for treating municipal sludge anaerobic digestion solution |
| CN108191055A (en) * | 2018-01-30 | 2018-06-22 | 哈尔滨工业大学 | A kind of separated type anaerobism ceramic membrane bioreactor that can effectively alleviate fouling membrane |
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| CN1480408A (en) * | 2003-07-18 | 2004-03-10 | 浙江大学 | Up-flow type response operator for anaerobic ammoxidation biomembrane |
| CN2900509Y (en) * | 2006-06-08 | 2007-05-16 | 浙江大学 | Film anaerobic ammonia oxidizing biological reactor |
| CN201003013Y (en) * | 2007-01-19 | 2008-01-09 | 华南理工大学 | UASB-biological film anaerobic ammoxidation apparatus |
| CN101704576A (en) * | 2009-11-13 | 2010-05-12 | 江南大学 | Method for realizing synchronous denitrification in membrane bioreactor |
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2010
- 2010-10-28 CN CN2010105234163A patent/CN101962225B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480408A (en) * | 2003-07-18 | 2004-03-10 | 浙江大学 | Up-flow type response operator for anaerobic ammoxidation biomembrane |
| CN2900509Y (en) * | 2006-06-08 | 2007-05-16 | 浙江大学 | Film anaerobic ammonia oxidizing biological reactor |
| CN201003013Y (en) * | 2007-01-19 | 2008-01-09 | 华南理工大学 | UASB-biological film anaerobic ammoxidation apparatus |
| CN101704576A (en) * | 2009-11-13 | 2010-05-12 | 江南大学 | Method for realizing synchronous denitrification in membrane bioreactor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153251A (en) * | 2011-05-11 | 2011-08-17 | 上海膜达克环保工程有限公司 | External anaerobic membrane bioreactor and waste water purification technology thereof |
| WO2013185350A1 (en) * | 2012-06-15 | 2013-12-19 | 乐金电子研发中心(上海)有限公司 | Internal-circulation aeration anammox-membrane bioreactor |
| CN104350012A (en) * | 2012-06-15 | 2015-02-11 | 乐金电子研发中心(上海)有限公司 | Internal-circulation aeration anammox-membrane bioreactor |
| CN104710005A (en) * | 2015-03-25 | 2015-06-17 | 苏州苏科环保科技有限公司 | External anaerobic membrane bioreactor |
| CN104961231A (en) * | 2015-06-25 | 2015-10-07 | 南昌大学 | Anaerobic ammonia oxidation reactor device |
| CN106365373A (en) * | 2015-07-24 | 2017-02-01 | 王玮 | Method and apparatus for treating municipal sludge anaerobic digestion solution |
| CN108191055A (en) * | 2018-01-30 | 2018-06-22 | 哈尔滨工业大学 | A kind of separated type anaerobism ceramic membrane bioreactor that can effectively alleviate fouling membrane |
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| CN101962225B (en) | 2012-07-25 |
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Granted publication date: 20120725 Termination date: 20131028 |