CN104961231A - Anaerobic ammonia oxidation reactor device - Google Patents
Anaerobic ammonia oxidation reactor device Download PDFInfo
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- CN104961231A CN104961231A CN201510354143.7A CN201510354143A CN104961231A CN 104961231 A CN104961231 A CN 104961231A CN 201510354143 A CN201510354143 A CN 201510354143A CN 104961231 A CN104961231 A CN 104961231A
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- ammonia oxidation
- anaerobic ammonia
- oxidation reactor
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Abstract
An anaerobic ammonia oxidation reactor device structurally comprises a water storage pond, a water feed pump, a water sealing device, a constant temperature device, a graphite electrode, an anaerobic ammonia oxidation reactor, a stirring paddle, a flat sheet membrane assembly, a direct current power supply, a stirring and rotating motor, an alternative current power supply, a membrane module water producing pump, a sample connection, a flat sheet membrane assembly flow channel, a sealing ring, a water producing pipe, a flat sheet membrane, a flow channel supporting plate and a PLC. A direct current electric field is arranged in the device, the existing characteristic of anaerobic ammonia oxidation bacteria is enhanced, the multiplication rate of the anaerobic ammonia oxidation bacteria is improved, the treatment efficiency is improved, management is convenient, adjustability is strong, and the anaerobic ammonia oxidation reactor device is resistant to impact load.
Description
Technical field
The present invention relates to a kind of method that electric field-enhanced and Anammox membrane bioreactor combines process high ammonia-nitrogen wastewater, belong to environmental technology field.
Background technology
Anammox (Anaerobic ammonia oxidation, Anammox), its ultimate principle is that ammonium oxidation bacterium is by itrogenous organic substance oxygenolysis, be converted into ammonia nitrogen, then be converted into nitrate radical by nitrifier, reducing nitrate radical is converted into nitrogen by denitrifying bacteria, thus reaches denitrogenation object.Anaerobic ammonia oxidation process, compared with traditional biological denitrification process, can save the oxygen depletion amount of about 60% and the organic carbon source of 100%, but due to the multiplication rate of anaerobic ammonia oxidizing bacteria slow, conventional biochemical reactor sludge loss is serious, causes processing efficiency low.The existence of DC electric field can stimulate the metabolism of microorganism, improves biological activity, shortens technique start time, steady removal efficiency.Membrane bioreactor is Biochemistry Reaction System high performance membrane isolation technique and biological respinse are integrated in one, and membrane module replaces the mud-water separation of conventional biochemical process, has solid-liquid separation efficiency high, and biomass is high, product water water quality is good, processing efficiency high.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of electric field-enhanced Anammox reaction unit be coupled with membrane bioreactor is provided.
Device of the present invention adopts following technical measures to realize:
Described reaction unit comprises the Graphite Electrodes pair producing electric field, membrane separation assemblies, rotates rotating machine, anaerobic ammonia oxidation reactor; Graphite Electrodes is built in biochemical reactor, in biochemical reaction system, form electric field; Plate isolation membrane module is built in reactor, and links with whipping appts, realizes the rotation of sepn process, decelerating membrane pollution.
Built-in Graphite Electrodes forms electric microfield, and strength of electric field can regulate and control as required, under the stimulation of electric field, improves the rate of metabolism of anaerobic ammonia oxidizing bacteria, improves rate of propagation.
Meanwhile, under current field condition, change activated sludge particles charge, change its migrate attribute, reduce its deposition on film surface, lessening membrane fouling.
Flat sheet membrane separation assembly horizontally rotates along with rotating stir shaft in the process of producing water, the frictional energy decelerating membrane pollution of active sludge and flat sheet membrane.The quantity of flat sheet membrane according to product water needs, can increase or reduce.The speed that horizontally rotates of flat sheet membrane also can link according to stirring demand.
Apparatus structure of the present invention comprises: tank, intake pump, water seal arrangement, thermostat, Graphite Electrodes, anaerobic ammonia oxidation reactor, stirring rake, plate film assembly, direct supply, stirring rotating machine, AC power, membrane module produce water pump, thief hole, plate film assembly runner, wear ring, water producing pipe, flat sheet membrane, runner back up pad, PLC control.
Waste water enters in anaerobic ammonia oxidation reactor by drawing water in intake pump tank; Be provided with water in anaerobic ammonia oxidation reactor, the anaerobic environment of guarantee system, is also provided with thermostat, reacts to maintain active sludge under the condition of about 30 DEG C; Anaerobic ammonia oxidation reactor pool wall is settled negative electrode and anode graphite plate, provide direct current by direct supply, form electric field, carry out mud-water separation by plate film assembly; Membrane module produces water pump can setting program, often runs 8 minutes and stops 2 minutes, to alleviate fouling membrane, ac power supply makes stirring rotating machine run, and drives membrane module and stirring rake to rotate, prevents active sludge from precipitating, utilize the friction of mud mixture in rotation process, decelerating membrane pollution simultaneously; Plate film assembly is made up of flat sheet membrane, runner back up pad, wear ring; Wherein runner back up pad has runner, be pooled to water producing pipe, produce water pump product water arrange outward by membrane module, the operation of whole system realizes automatically controlling by PLC system.
Described device working process:
Waste water in water reservoir is squeezed in anaerobic ammonia oxidation reactor by pump and is carried out Anammox reaction; Be provided with graphite cake electrode in anaerobic ammonia oxidation reactor, make to form DC electric field in reactor, and voltage swing can regulate and control as required; Round plate film assembly as mud-water separation is embedded on stir shaft, horizontally rotates, utilize mud mixture at the friction decelerating membrane pollution on film surface while producing water along with the rotation of stir shaft; The product water of film produces water by producing the driving of water pump, selects suitable membrane flux according to the different residence time; Whole system is run and is controlled by PLC system.
The present invention compared with prior art, has following substantive distinguishing features and remarkable advantage:
(1) built-in DC electric field, enhances the living nature of anaerobic ammonium oxidizing bacteria, improves its multiplication rate, improves processing efficiency;
(2) built-in plate film assembly, can meet the requirement of producing water, can regulate and control again the disadvantageous effect that impact load brings in time, while producing water, does not have the loss of microorganism;
(3) plate film assembly horizontally rotates along with the rotation of stir shaft, utilizes the friction on mud mixture and film surface, slows down the pollution of membrane module;
(4) under the existence condition of built-in electric field, the proterties such as charging characteristic, grain diameter of active sludge is changed, and slows down membrane module and pollutes;
(5) membrane module links with strengthening electric field, solves anaerobic ammonia oxidizing bacteria length generation time, tames the shortcomings such as breeding is slow, microorganism is easily run off, improve processing efficiency.
Accompanying drawing explanation
Fig. 1 is illustrated Novel anaerobic oxidative ammonolysis apparatus structure schematic diagram;
In figure, 1. tanks, 2. intake pump, 3. water seal arrangement, 4. thermostat, 5. Graphite Electrodes, 6. anaerobic ammonia oxidation reactor, 7. stirring rake, 8. plate film assembly, 9. direct supply, 10. stirring rotating machine, 11. AC power, 12. membrane modules produce water pumps, 13. thief holes, 14. plate film assembly runners, 15. wear rings, 16. water producing pipes, 17. flat sheet membrane, 18. runner back up pads, 19.PLC control.
Embodiment
Apparatus structure of the present invention comprises: tank, intake pump, water seal arrangement, thermostat, Graphite Electrodes, anaerobic ammonia oxidation reactor, stirring rake, plate film assembly, direct supply, stirring rotating machine, AC power, membrane module produce water pump, thief hole, plate film assembly runner, wear ring, water producing pipe, flat sheet membrane, runner back up pad, PLC control.
Its specific implementation process is:
Waste water enters in anaerobic ammonia oxidation reactor by drawing water in intake pump tank.Be provided with water seal in anaerobic ammonia oxidation reactor, the anaerobic environment of guarantee system, is also provided with thermostat, reacts to maintain active sludge under the condition of about 30 DEG C.Negative electrode and anode graphite plate are set in anaerobic ammonia oxidation reactor, provide direct current by direct supply, form electric field.Mud-water separation is carried out by plate film assembly.Membrane module produces water pump can setting program, often runs 8 minutes and stops 2 minutes, to alleviate fouling membrane.Ac power supply makes stirring rotating machine run, and drives membrane module and stirring rake to rotate, prevents active sludge from precipitating, utilize the friction of mud mixture in rotation process, decelerating membrane pollution simultaneously.Plate film assembly is made up of flat sheet membrane, runner back up pad, wear ring.Wherein runner back up pad there is runner, be pooled to water producing pipe, produce water pump product water by membrane module and arrange outward.The operation of whole system realizes automatically controlling by PLC system.
Claims (1)
1. an anaerobic ammonia oxidation reactor device, is characterized in that: described apparatus structure comprises structure and comprises: tank, intake pump, water seal arrangement, thermostat, Graphite Electrodes, anaerobic ammonia oxidation reactor, stirring rake, plate film assembly, direct supply, stirring rotating machine, AC power, membrane module produce water pump, thief hole, plate film assembly runner, wear ring, water producing pipe, flat sheet membrane, runner back up pad, PLC control;
Waste water enters in anaerobic ammonia oxidation reactor by drawing water in intake pump tank; Be provided with water in anaerobic ammonia oxidation reactor, the anaerobic environment of guarantee system, is also provided with thermostat, reacts to maintain active sludge under the condition of about 30 DEG C; Anaerobic ammonia oxidation reactor pool wall is settled negative electrode and anode graphite plate, provide direct current by direct supply, form electric field, carry out mud-water separation by plate film assembly; Membrane module produces water pump can setting program, often runs 8 minutes and stops 2 minutes, to alleviate fouling membrane, ac power supply makes stirring rotating machine run, and drives membrane module and stirring rake to rotate, prevents active sludge from precipitating, utilize the friction of mud mixture in rotation process, decelerating membrane pollution simultaneously; Plate film assembly is made up of flat sheet membrane, runner back up pad, wear ring; Wherein runner back up pad has runner, be pooled to water producing pipe, produce water pump product water arrange outward by membrane module, the operation of whole system realizes automatically controlling by PLC system.
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| CN201510354143.7A CN104961231A (en) | 2015-06-25 | 2015-06-25 | Anaerobic ammonia oxidation reactor device |
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| CN201510354143.7A CN104961231A (en) | 2015-06-25 | 2015-06-25 | Anaerobic ammonia oxidation reactor device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236684A (en) * | 2015-10-28 | 2016-01-13 | 厦门理工学院 | Anaerobic bidirectionally-rotatable membrane bioreactor used for treating livestock and poultry breeding wastewater and operation method thereof |
| CN107555592A (en) * | 2017-09-20 | 2018-01-09 | 苏州科技大学 | Anaerobic ammonium oxidation granular sludge cultural method and culture apparatus |
| CN110451644A (en) * | 2019-09-11 | 2019-11-15 | 山东北成环境工程有限公司 | Landfill leachate Anammox advanced nitrogen combined treatment device and technique |
| CN110563252A (en) * | 2019-09-05 | 2019-12-13 | 安徽省地质矿产勘查局321地质队 | Mixed treatment system of acid mining industry waste water and beasts and birds waste water |
| CN110683640A (en) * | 2019-09-16 | 2020-01-14 | 河海大学 | Denitrifying biological rotating disk for denitrification of municipal sewage |
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| CN202038943U (en) * | 2011-03-07 | 2011-11-16 | 南昌大学 | Anaerobic ammonium oxidation, methanation and denitrification UASB (upflow anaerobic sludge blanket) device |
| CN102336472A (en) * | 2011-09-08 | 2012-02-01 | 大连理工大学 | Electrically enhanced ANAMMOX biologic nitrogen removal method |
| CN203333444U (en) * | 2013-06-30 | 2013-12-11 | 镇江清水环境科技有限公司 | Nitrogen enriching and removing combined system |
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| CN101704576A (en) * | 2009-11-13 | 2010-05-12 | 江南大学 | Method for realizing synchronous denitrification in membrane bioreactor |
| CN101794896A (en) * | 2010-03-23 | 2010-08-04 | 浙江大学 | Anaerobic ammonia oxidation microbiological fuel cell |
| CN101962225A (en) * | 2010-10-28 | 2011-02-02 | 哈尔滨工业大学 | External anaerobic ammonia oxidation membrane bioreactor |
| CN202038943U (en) * | 2011-03-07 | 2011-11-16 | 南昌大学 | Anaerobic ammonium oxidation, methanation and denitrification UASB (upflow anaerobic sludge blanket) device |
| CN102336472A (en) * | 2011-09-08 | 2012-02-01 | 大连理工大学 | Electrically enhanced ANAMMOX biologic nitrogen removal method |
| CN203333444U (en) * | 2013-06-30 | 2013-12-11 | 镇江清水环境科技有限公司 | Nitrogen enriching and removing combined system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236684A (en) * | 2015-10-28 | 2016-01-13 | 厦门理工学院 | Anaerobic bidirectionally-rotatable membrane bioreactor used for treating livestock and poultry breeding wastewater and operation method thereof |
| CN107555592A (en) * | 2017-09-20 | 2018-01-09 | 苏州科技大学 | Anaerobic ammonium oxidation granular sludge cultural method and culture apparatus |
| CN110563252A (en) * | 2019-09-05 | 2019-12-13 | 安徽省地质矿产勘查局321地质队 | Mixed treatment system of acid mining industry waste water and beasts and birds waste water |
| CN110451644A (en) * | 2019-09-11 | 2019-11-15 | 山东北成环境工程有限公司 | Landfill leachate Anammox advanced nitrogen combined treatment device and technique |
| CN110683640A (en) * | 2019-09-16 | 2020-01-14 | 河海大学 | Denitrifying biological rotating disk for denitrification of municipal sewage |
| CN110683640B (en) * | 2019-09-16 | 2020-08-11 | 河海大学 | Denitrifying biological rotating disk for denitrification of municipal sewage |
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Application publication date: 20151007 |