CN106186545B - A kind of new membrane bioreactor sewage water processing unit - Google Patents

A kind of new membrane bioreactor sewage water processing unit Download PDF

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Publication number
CN106186545B
CN106186545B CN201610701292.0A CN201610701292A CN106186545B CN 106186545 B CN106186545 B CN 106186545B CN 201610701292 A CN201610701292 A CN 201610701292A CN 106186545 B CN106186545 B CN 106186545B
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China
Prior art keywords
water level
membrane
water
level controller
bioreactor
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Expired - Fee Related
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CN201610701292.0A
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CN106186545A (en
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董金萍
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0006Organic membrane manufacture by chemical reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/76Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/78Graft polymers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/286Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/10Packings; Fillings; Grids
    • C02F3/102Permeable membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/38Graft polymerization
    • B01D2323/385Graft polymerization involving radiation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/42Liquid level
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1205Particular type of activated sludge processes
    • C02F3/1226Particular type of activated sludge processes comprising an absorbent material suspended in the mixed liquor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1268Membrane bioreactor systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a kind of new membrane bioreactor sewage water processing units, including with lower component: suction water pump, water inlet pipe, bioreactor, gas explosion device, aeration control system, sewage backflow pipeline, membrane reactor, ultrasonic vibration box, supersonic generator, membrane module, outlet pipe one, advanced treatment apparatus, outlet pipe two;It further include three water level controllers: water level controller one, water level controller two, water level controller three.The bioreactor top is connected with suction water pump, the water level controller one controls the inflow of water inlet pipe, the gas explosion device is arranged in bioreactor lower part, water level controller two is provided in the gas explosion device, the ultrasonic vibration box is arranged between the inner wall of membrane reactor and membrane module, ultrasonic vibration box is connect by signal wire with the supersonic generator signal outside membrane reactor, and the membrane reactor lower part is provided with outlet pipe one, and the outlet pipe one is connect with advanced treatment apparatus.

Description

A kind of new membrane bioreactor sewage water processing unit
Technical field
The invention belongs to sewage treatment fields, and in particular to a kind of new membrane bioreactor sewage water processing unit.
Background technique
China as populous nation and industrial power, with the rapid development of economy, for water resource demand increasingly Greatly, natural resources of the water as preciousness is all life and human lives produce indispensable base substance of depending on for existence, but The problem of China's water resource is not enriched, and the scarcity of one side water resource is faced with short water supply or even some areas shipwreck, On the other hand with the fast development of modern industry, bring water resource pollution is got worse therewith, urban domestic wastewater and each The handling rate of industrial wastewater is low, and the normal life for not only affecting the people also results in river, the pollution of soil etc., water resource supply and demand It is contradictory to deepen so that country increasingly payes attention to sewage treatment and recycles.Existing sewage treatment process is various, and traditional processing There is processing unit mostly and take up a large area in technique, solid-liquid separation efficiency is low, and sludge surplus is big, and low efficiency, and energy consumption is high, out The problems such as water water quality is unstable, complex management, such treatment process have been unable to meet the demand of existing sewage treatment, therefore, The research of Novel sewage treatment process just has a very important significance.
Membrane bioreactor is the novel state waste water treatment system of membrane separation technique and biologic treating technique combination.With Membrane module replaces traditional biological processing technique end secondary settling tank, keeps high activity sludge concentration in the bioreactor, improves life Object handles organic loading, to reduce sewage treatment facility occupied area, and by keeping low sludge loading to reduce excess sludge Amount.To further increase the recovery utilization rate to water resource, the research of novel membrane bioreactor includes itself and other processing works Skill with the use of the new direction for becoming sewage treatment research, how to develop more stable, efficiently hydraulic art out, is improved out Water quality is exactly the problem of present invention will study.
Summary of the invention
The purpose of the present invention is to provide a kind of new membrane bioreactor sewage water processing units.
To achieve the above object, a kind of new membrane bioreactor sewage water processing unit, including with lower component: suction water Pump, water inlet pipe, bioreactor, gas explosion device, aeration control system, sewage backflow pipeline, membrane reactor, ultrasonic vibration box, Supersonic generator, membrane module, outlet pipe one, advanced treatment apparatus, outlet pipe two;It further include three water level controllers: water level Controller one, water level controller two, water level controller three.The bioreactor top is connected with suction water pump, the water level Controller one controls the inflow of water inlet pipe, and the gas explosion device setting is set in bioreactor lower part, the gas explosion device It is equipped with water level controller two, the ultrasonic vibration box is arranged between the inner wall of membrane reactor and membrane module, and ultrasonic vibration box is logical Signal wire to be crossed to connect with the supersonic generator signal outside membrane reactor, the membrane reactor lower part is provided with outlet pipe one, The outlet pipe one is connect with advanced treatment apparatus.
Further, the membrane bioreactor be separate film biological reactor, have it is easy to operate, film easy cleaning is more The advantages of changing, the water level controller one adjusts control and enters the sewage quantity of membrane bioreactor, to overcome separate film raw Object reactor as water pump flow velocity it is big and caused by the big disadvantage of power consumption.
Further, Powdered Activated Carbon is added in membrane reactor, addition can make sludge wadding body in the formation of film surface Object is looser, and water permeability improves, and slows down the formation of sludge filtering cake layer.
Further, the gas explosion device is to adjust aeration quantity by aeration control system and water level controller two, described Water level controller is adjusted by instant measure of dissolved oxygen amount second is that adjust the height of water level by the size for measuring dissolved oxygen amount Water level height has the advantages that instant, accurate, full-automatic regulation to adjust aeration quantity.
Further, film is modified poly (ether-sulfone) nanofiltration membrane, method of modifying are as follows: by polyether sulfone filtering film in the membrane module It cleans up, being placed in 40 DEG C of freeze-day with constant temperature in drying box, to constant weight, recording its weight is G1, it is put into vessel, with metering system Sour methyl esters is grafted monomers, is purified to it through vacuum distillation using preceding, is made into the monomer solution that mass concentration is 7%, pours into It states in vessel, it is made not have the surface of film, graft reaction occurs under the conditions of ultraviolet radiation, produce graft polymers, take out Afterwards with ethyl acetate it is the surface of solvent monomer flushing membrane, then is rinsed with experimental water, is placed in 55 DEG C of freeze-day with constant temperature in drying box To constant weight, recording its weight is G2, the hydrophobicity and antimicrobial degradation of film can be improved in the as described modified poly (ether-sulfone) nanofiltration membrane Ability and expand its pH use scope.
Further, the photo-grafting rate of the modified poly (ether-sulfone) nanofiltration membrane can be characterized with following formula:
Further, the advanced treatment apparatus is provided with filler, and the filler is divided into two layers, and upper layer is active carbon, under Layer is modified high-molecular chelating agent, and active carbon and high-molecular chelating agent all have very strong adsorption activity, in waste water The substances such as heavy metal have the characteristics that large amount of adsorption, speed are fast, adsorption efficiency is high, and the sewage crossed through its advanced treating can be used directly In life closet flushing, treegarden irrigation etc. is afforested.
Further, the modified high-molecular chelating agent is modified animal feather, method of modifying are as follows: collects animal feather It cleans up, sig water is dipped in after being rinsed with deionized water, in CS2 solution, 15h is impregnated at 50-60 DEG C, then use deionization Water washes off surface residue, obtains modified animal feather, and modified animal feather abundance is easy to degrade, preparation process Simply, there is good suction-operated to the heavy metal of various concentration.
The present invention has the advantages that inventive film bioreactor selects separate film biological reactor, convenient for the clear of film It washes and replaces, by adding being used cooperatively for Powdered Activated Carbon and ultrasonic vibration box in Modified Membrane and membrane reactor, can effectively subtract The pollution of slow film, improve film hydrophobicity and antimicrobial degradation capability, extend the service life of film.The present invention passes through three water It the setting of level controller and is used cooperatively, the inflow of control suction water pump is adjusted by water level controller one, to reduce point Set the high disadvantage of power consumption existing for formula membrane bioreactor;Water level controller by automatic measurement dissolved oxygen amount second is that adjusted Save the size of aeration quantity;The adjustable water into advanced treatment apparatus of water level controller three, to be bonded advanced treatment apparatus Processing speed;Advanced treatment apparatus can remove the residual heavy metal in membrane bioreactor water outlet, and the processed water of institute can be straight It connects for life closet flushing, afforests treegarden irrigation etc., more meet environmental requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of new membrane bioreactor sewage water processing unit;
Wherein, 1- aspirates water pump;2- water level controller one;3- water inlet pipe;4- bioreactor;5- gas explosion device; 6- water level controller two;7- aeration control system;8- sewage backflow pipeline;9- membrane reactor;10- ultrasonic vibration box;11- ultrasound Wave producer;12- membrane module;13- outlet pipe one;14- water level controller three;15- advanced treatment apparatus;16- outlet pipe two.
Specific embodiment
Hereinafter, specific embodiments of the present invention will be described in detail in conjunction with attached drawing 1 and embodiment:
A kind of new membrane bioreactor sewage water processing unit of the invention as shown in figure 1, including with lower component: suction water Pump 1, water inlet pipe 3, bioreactor 4, gas explosion device 5, aeration control system 7, sewage backflow pipeline 8, membrane reactor 9, ultrasound Wave Vibration Box 10, supersonic generator 11, membrane module 12, outlet pipe 1, advanced treatment apparatus 15, outlet pipe 2 16;Further include Three water level controllers: water level controller 1, water level controller 26, water level controller 3 14.4 top of bioreactor It is connected with suction water pump 1, the water level controller 1 controls the inflow of water inlet pipe 3, and the gas explosion device 5 is arranged in biology 4 lower part of reactor, water level controller 26 is provided in the gas explosion device 5, and the ultrasonic vibration box 10 is arranged in membrane reactor Between 9 inner wall and membrane module 12, ultrasonic vibration box 10 is believed by the supersonic generator 11 outside signal wire and membrane reactor 9 Number connection, 9 lower part of membrane reactor is provided with outlet pipe 1, and the outlet pipe 1 is connect with advanced treatment apparatus 15. The membrane bioreactor is separate film biological reactor, has the advantages of easy to operate, film easy cleaning is replaced, the water level Controller 1 adjusts the sewage quantity that control enters membrane bioreactor, to overcome separate film biological reactor due to water pump Flow velocity it is big and caused by the big disadvantage of power consumption;Powdered Activated Carbon is added in membrane reactor 9, addition can make sludge wadding body Looser in the formation of film surface, water permeability improves, and slows down the formation of sludge filtering cake layer;The gas explosion device 5 is logical It crosses aeration control system 7 and water level controller 26 adjusts aeration quantity, the water level controller 26 is by measuring dissolved oxygen amount Size adjusts the height of water level, adjusts water level height by the instant measurement of dissolved oxygen amount to adjust aeration quantity, has i.e. When, accurate, full-automatic regulation the advantages of;Film is modified poly (ether-sulfone) nanofiltration membrane, method of modifying are as follows: will gather in the membrane module 12 Ether sulfone nanofiltration membrane cleans up, and being placed in 40 DEG C of freeze-day with constant temperature in drying box, to constant weight, recording its weight is G1, it is put into vessel, Using methyl methacrylate as grafted monomers, it is purified through vacuum distillation using preceding, it is molten to be made into the monomer that mass concentration is 7% Liquid pours into above-mentioned vessel, it is made not have the surface of film, and graft reaction occurs under the conditions of ultraviolet radiation, and production grafting is poly- Object is closed, after taking-up with ethyl acetate is the surface of solvent monomer flushing membrane, then is rinsed with experimental water, is placed in drying box 55 DEG C For freeze-day with constant temperature to constant weight, recording its weight is G2, the as described modified poly (ether-sulfone) nanofiltration membrane, can be improved film hydrophobicity and resist it is micro- Biodegradability and expand its pH use scope;The photo-grafting rate of the modified poly (ether-sulfone) nanofiltration membrane can with following formula come Characterization:The advanced treatment apparatus 15 is provided with filler, and the filler is divided into two layers, upper layer For active carbon, lower layer is modified high-molecular chelating agent, and active carbon and high-molecular chelating agent all have very strong adsorption activity, right The substances such as the heavy metal in waste water have the characteristics that large amount of adsorption, speed are fast, adsorption efficiency is high, the dirt crossed through its advanced treating Water can be directly used for life closet flushing, greening treegarden irrigation etc.;The modified high-molecular chelating agent is modified animal feather, Method of modifying are as follows: collect animal feather and clean up, sig water is dipped in after being rinsed with deionized water, in CS2 solution, 50- 15h is impregnated at 60 DEG C, then washes off surface residue with deionized water, obtains modified animal feather, and modified animal feather comes Source is abundant, is easy to degrade, and preparation process is simple, has good suction-operated to the heavy metal of various concentration.
Present invention is not limited to the embodiments described above, without departing from the essence of the present invention, this field skill Art personnel it is conceivable that any deformation, improvement, replacement each fall within the scope of the present invention.

Claims (1)

1. a kind of membrane bioreactor sewage-treatment plant, which is characterized in that including with lower component: suction water pump (1), water inlet pipe (3), bioreactor (4), aerator (5), aeration control system (7), sewage backflow pipeline (8), membrane reactor (9), super Sound wave Vibration Box (10), supersonic generator (11), membrane module (12), outlet pipe one (13), advanced treatment apparatus (15), outlet pipe Two (16);It further include three water level controllers: water level controller one (2), water level controller two (6), water level controller three (14); Bioreactor (4) top is connected with suction water pump (1), the water inlet of water level controller one (2) control water inlet pipe (3) Amount, the aerator (5) are arranged in bioreactor (4) lower part, and the aerator (5) is inner to be provided with water level controller Two (6), the ultrasonic vibration box (10) are arranged between the inner wall and membrane module (12) of membrane reactor (9), ultrasonic vibration box (10) it is connect by signal wire supersonic generator (11) signal external with membrane reactor (9), membrane reactor (9) lower part It is provided with outlet pipe one (13), the outlet pipe one (13) connect with advanced treatment apparatus (15);
The membrane bioreactor is separate film biological reactor, and the water level controller one (2) adjusts control and enters film life The sewage quantity of object reactor;
Added with Powdered Activated Carbon in membrane reactor (9);
The aerator (5) is to adjust aeration quantity, the water level by aeration control system (7) and water level controller two (6) Controller two (6) is to adjust the height of water level by measuring the size of dissolved oxygen amount;
Film is modified poly (ether-sulfone) nanofiltration membrane, method of modifying in the membrane module (12) are as follows: polyether sulfone filtering film is cleaned up, Being placed in 40 DEG C of freeze-day with constant temperature in drying box, to constant weight, recording its weight is G1, it is put into vessel, is to connect with methyl methacrylate Branch monomer purifies it through vacuum distillation using preceding, is made into the monomer solution that mass concentration is 7%, pours into above-mentioned vessel, make It did not had the surface of film, and graft reaction occurs under the conditions of ultraviolet radiation, produces graft polymers, uses ethyl acetate after taking-up It for the surface of solvent monomer flushing membrane, then is rinsed with experimental water, is placed in 55 DEG C of freeze-day with constant temperature in drying box and records it to constant weight Weight is G2, the as described modified poly (ether-sulfone) nanofiltration membrane;
The photo-grafting rate of the modified poly (ether-sulfone) nanofiltration membrane can be characterized with following formula:
The advanced treatment apparatus (15) is provided with filler, and the filler is divided into two layers, and upper layer is active carbon, and lower layer is modified High-molecular chelating agent;
The modified high-molecular chelating agent is modified animal feather, method of modifying are as follows: collects animal feather and cleans up, spends Animal feather is immersed in sig water-CS after ionized water flushing2In solution, 15h is impregnated at 50-60 DEG C, then rushed with deionized water It washes away except surface residue, obtains modified animal feather.
CN201610701292.0A 2016-08-19 2016-08-19 A kind of new membrane bioreactor sewage water processing unit Expired - Fee Related CN106186545B (en)

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CN201610701292.0A CN106186545B (en) 2016-08-19 2016-08-19 A kind of new membrane bioreactor sewage water processing unit

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Application Number Priority Date Filing Date Title
CN201610701292.0A CN106186545B (en) 2016-08-19 2016-08-19 A kind of new membrane bioreactor sewage water processing unit

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CN106186545A CN106186545A (en) 2016-12-07
CN106186545B true CN106186545B (en) 2019-02-12

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1586702A (en) * 2004-07-29 2005-03-02 复旦大学 Method for preparing nano filter membrane using surface crafting technology
CN101376538A (en) * 2007-08-29 2009-03-04 亚蕾 Powdered activated charcoal strengthened built-in beam type membrane bioreactor
CN104903257B (en) * 2012-12-07 2018-12-14 通用电气公司 Use of the active carbon in membrane bioreactor
CN104556364B (en) * 2014-12-24 2016-08-24 辽宁北方环境保护有限公司 The film bioreactor device of a kind of decelerating membrane pollution and sewage water treatment method
CN204509048U (en) * 2015-02-15 2015-07-29 新疆思凯压力容器制造有限公司 A kind of waste disposal plant adopting membrane bioreactor

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