CN105948417A - Sewage treatment system of membrane bioreactor and using method thereof - Google Patents

Sewage treatment system of membrane bioreactor and using method thereof Download PDF

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Publication number
CN105948417A
CN105948417A CN201610560767.9A CN201610560767A CN105948417A CN 105948417 A CN105948417 A CN 105948417A CN 201610560767 A CN201610560767 A CN 201610560767A CN 105948417 A CN105948417 A CN 105948417A
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China
Prior art keywords
immobilized microorganism
membrane bioreactor
sewage disposal
magnetic
microorganism ball
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CN201610560767.9A
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Chinese (zh)
Inventor
汪浩
赵波琴
杜小燕
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Hefei Benefit Learning Technology Co Ltd
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Hefei Benefit Learning Technology Co Ltd
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Priority to CN201610560767.9A priority Critical patent/CN105948417A/en
Publication of CN105948417A publication Critical patent/CN105948417A/en
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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
    • 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
    • C02F1/48Treatment of water, waste water, or sewage with magnetic or electric fields
    • 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
    • C02F2003/001Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations
    • 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
    • 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
    • C02F3/30Aerobic and anaerobic processes

Abstract

The invention discloses a sewage treatment system of a membrane bioreactor and a using method thereof. The sewage treatment system comprises an anoxic pool, an aerobiotic pool, an MBR pool and a disinfection pool. The using method of the sewage treatment system comprises the steps that a container is opened at first, immobilized microorganism balls are enabled to flow into a system, the immobilized microorganism balls with long using time are collected, and finally, the collected immobilized microorganism balls are manufactured again. According to the sewage treatment system of the membrane bioreactor and the using method thereof, the adopted immobilized microorganism balls not only can keep activity of microorganisms, but also can achieve mud-water separation and reduce membrane pollution; the selected diameter of the immobilized microorganism balls is just right, the immobilized microorganism balls can be suspended without a large magnetic field, and sewage can make contact with microorganisms in the immobilized microorganism balls; the immobilized microorganism balls can be in a suspended state due to the effect of the magnetic field, and the activity of the microorganisms can be improved; the immobilized microorganism balls can be recycled, and therefore the microorganisms in the immobilized microorganism balls can be always in the high-activity state.

Description

The sewage disposal system of a kind of membrane bioreactor and using method thereof
Technical field
The present invention relates to sewage treatment area, the sewage disposal system of a kind of membrane bioreactor and using method thereof.
Background technology
China is the most unbalanced country of distribution of water resources, and the water resource that each place has is the most unbalanced, generally one hydropenia country, and the whole nation has the city of 70% to be in exsiccosis;China or a with serious pollution country of water simultaneously, annual because water pollutes the loss caused accounts for the 2% of GDP, water pollution condition is constantly aggravated so that sewage disposal and regeneration industry are by unprecedented concern.
Being mainly used in denitrogenation in anoxic pond, nitrate nitrogen is back to anoxic pond by interior circulation by MBR pond;Aerobic Pond is used for removing BOD in water, ammonia and nitrogen organic and nitrification and absorption phosphorus, and Organic substance in water is decomposed into inorganic matter;MBR pond is used for purifying water, and the water after MBR pond is filtered can be expelled directly out through sterilization again.
MBR is membrane bioreactor, carry the key player ensureing high-quality water quality output, impurity in sewage is retained through degrading to greatest extent, it is achieved dirty water purification, sewage is in the reactor after the carried out a biological disposal upon decomposition to organic pollution materials and conversion, the high efficiency separation utilizing micro-filtration membrane or ultrafilter membrane completes the solid-liquid separation of sewage, thus reaches the final purification effect of sewage.The membrane module being arranged in reactor can replace the second pond in traditional handicraft and conventional filtration, absorbing unit completely, makes hydraulic detention time and sludge age be kept completely separate, and obtains stable, the effluent quality of high-quality.
During membrane process sewage disposal, mud often can be attached on membrane module, causes membrane module fenestra to be blocked by mud and causes purifying water efficiency and reduce, to this end, enterprise is required for devoting a tremendous amount of time with money for the cleaning of fouling membrane every year.
Summary of the invention
It is an object of the invention to provide sewage disposal system and the using method thereof of a kind of membrane bioreactor, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: the sewage disposal system of a kind of membrane bioreactor, including anoxic pond, Aerobic Pond, MBR pond and sterilization pool;Sewage through filtering sequentially enters anoxic pond, Aerobic Pond and MBR pond, discharges after eventually passing sterilization pool sterilization, and the immobilized microorganism ball of a part can be back to anoxic pond by described MBR pond, and another part is expelled in collection device;
Described anoxic pond includes water inlet pipe, outlet pipe, container, aerator and magnetic field generator;Described Aerobic Pond includes water inlet pipe, outlet pipe, aerator and magnetic field generator;Described MBR pond includes water inlet pipe, outlet pipe, aerator, return duct, collection device and membrane module;
Membrane module in described MBR pond connects outlet pipe;Described container is used for containing immobilized microorganism ball;The bottom in described MBR pond is provided with collection device, is used for collecting immobilized microorganism ball;The bottom in described MBR pond connects back to flow tube, for the immobilized microorganism of a part is back to anoxic pond;
Described immobilized microorganism bag includes magnetizing mediums and activated sludge, and described magnetizing mediums is without magnetic, but can magnetize under the influence of a magnetic field, and described activated sludge is rich in microorganism;Described activated sludge is wrapped in magnetizing mediums, is formed spherical;Described magnetic field generator produces magnetic field, and then makes immobilized microorganism ball be in suspended state in the sewage disposal system of described a kind of membrane bioreactor.
Preferably, the preparation of the immobilized microorganism ball in the sewage disposal system of described a kind of membrane bioreactor and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums afterwards by will be enriched in the activated sludge of microorganism, then become bead sector-style of going forward side by side to do by Mold Making in mixture;Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, the bead that the internal bead containing magnetizing mediums does not contains magnetizing mediums with inside separates, and the internal bead containing magnetizing mediums is immobilized microorganism ball;Immobilized microorganism ball is used in the sewage disposal system of described a kind of membrane bioreactor, and by arranging magnetic field generator generation magnetic field around the sewage disposal system of described a kind of membrane bioreactor, make immobilized microorganism ball be in suspended state in the sewage disposal system of described a kind of membrane bioreactor;Immobilized microorganism ball is in long-time use, and the activated sludge on surface loses activity gradually, by closing magnetic field, make immobilized microorganism ball sink to bottom by the gravity of self to reclaim, finally passing through to soak by the immobilized microorganism ball reclaimed, roll, centrifugal mode reclaims magnetizing mediums;Again the magnetizing mediums being recovered to and activated sludge are sufficiently mixed and again make immobilized microorganism ball.
Preferably, a diameter of 18 ~ 20mm of described immobilized microorganism ball.
Preferably, described magnetizing mediums is metallic nickel.
Preferably, described metallic nickel is the metallic nickel after Passivation Treatment.
Preferably, a diameter of 7 ~ 9mm of described magnetizing mediums.
The sewage disposal system of described a kind of membrane bioreactor, its using method is:
The first step, open container, make the immobilized microorganism ball of inside be flowed in the sewage disposal system of described a kind of membrane bioreactor;
Second step, open magnetic field generator and aerator, make that the sewage disposal system of described a kind of membrane bioreactor is internal produces magnetic field, and then make immobilized microorganism ball be in suspended state in the sewage disposal system of described a kind of membrane bioreactor;
3rd step, opening conduits valve, make sewage be flowed in the sewage disposal system of described a kind of membrane bioreactor;
4th step, sewage are discharged after the sewage disposal system of described a kind of membrane bioreactor processes;After immobilized microorganism ball uses a period of time in the sewage disposal system of described a kind of membrane bioreactor, it is flowed in the MBR pond not having magnetic field, the immobilized microorganism ball of a part is flowed in collection device, and another part immobilized microorganism ball is back in anoxic pond recycle.
Compared with prior art, the invention has the beneficial effects as follows: the immobilized microorganism ball that the sewage disposal system of described a kind of membrane bioreactor and using method thereof are used uses immobilized mode can make Microorganism incubation, this mode can not only maintain the activity of microorganism, preferably purify water, and can preferably make mud-water separation;A diameter of 18 ~ 20mm of immobilized microorganism ball, fenestra will not be blocked, and fouling membrane can be reduced, the diameter of immobilized microorganism ball will need bigger magnetic field that immobilized microorganism ball just can be made to suspend because of too big, sewage also will not be difficult to touch the microorganism inside immobilized microorganism ball because the diameter of immobilized microorganism ball is too big, and immobilized microorganism ball also will not be difficult to because diameter is the least prepare and reclaim;Two, immobilized microorganism bag includes magnetizing mediums and activated sludge, magnetizing mediums can make magnetizing mediums magnetize under the effect of externally-applied magnetic field, immobilized microorganism ball is enable to be in suspended state under the influence of a magnetic field, thus may advantageously facilitate the circulation of microorganism and improve microbial activity, can preferably purify water;Immobilized microorganism ball also will not be made to be damaged by the way of magnetic field controls immobilized microorganism ball;Three, immobilized microorganism ball can recycle, one side is due to the bacteria metabolism in immobilized microorganism ball and processes sewage for a long time, cause the microorganism in immobilized microorganism ball slowly old dead, use the mode reclaimed periodically discharge and supplement immobilized microorganism ball, the microorganism in immobilized microorganism ball can be made to be in high activity state all the time;On the other hand in water, flocculence or floating microorganism can be discharged together along with immobilized microorganism ball, are possible to prevent microorganism to block fenestra, and the microorganism of discharge is also used as preparing the raw material of immobilized microorganism ball.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of the present invention;
Fig. 2 is the structural representation of anoxic pond of the present invention;
Fig. 3 is the structural representation of Aerobic Pond of the present invention;
Fig. 4 is the structural representation in MBR pond of the present invention;
Fig. 5 is the structural representation of the immobilized microorganism ball of the present invention.
In figure: 1, anoxic pond, 2, Aerobic Pond, 3, MBR pond, 4, sterilization pool, 5, water inlet pipe, 6, outlet pipe, 7, container, 8, aerator, 9, magnetic field generator, 10, return duct, 11, collection device, 12, membrane module, 13, immobilized microorganism ball, 14, magnetizing mediums, 15, activated sludge.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1:
Referring to Fig. 1-5, the present invention provides a kind of technical scheme: the sewage disposal system of a kind of membrane bioreactor, including anoxic pond 1, Aerobic Pond 2, MBR pond 3 and sterilization pool 4;Sewage through filtering sequentially enters anoxic pond 1, Aerobic Pond 2 and MBR pond 3, discharges after eventually passing sterilization pool 4 sterilization, and the immobilized microorganism ball 13 of a part can be back to anoxic pond 1 by MBR pond 3, and another part is expelled in collection device 11;
Anoxic pond 1 includes water inlet pipe 5, outlet pipe 6, container 7, aerator 8 and magnetic field generator 9;Aerobic Pond 2 includes water inlet pipe 5, outlet pipe 6, aerator 8 and magnetic field generator 9;MBR pond 3 includes water inlet pipe 5, outlet pipe 6, aerator 8, return duct 10, collection device 11 and membrane module 12;
Membrane module 12 in MBR pond 3 connects outlet pipe 6;Container 7 is used for containing immobilized microorganism ball 13;The bottom in MBR pond 3 is provided with collection device 11, is used for collecting immobilized microorganism ball 13;The bottom in MBR pond 3 connects back to flow tube 10, for the immobilized microorganism 13 of a part is back to anoxic pond 1;
Immobilized microorganism ball 13 includes magnetizing mediums 14 and activated sludge 15, a diameter of 18mm of immobilized microorganism ball 13, magnetizing mediums 14 is the metallic nickel after Passivation Treatment, a diameter of 7mm of magnetizing mediums 14, magnetizing mediums 14 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 15 is rich in microorganism;Activated sludge 15 is wrapped in magnetizing mediums 14, is formed spherical;Magnetic field generator 9 produces magnetic field, and then makes immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor.
The preparation of the immobilized microorganism ball 13 in the sewage disposal system of a kind of membrane bioreactor and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums 14 afterwards by will be enriched in the activated sludge 15 of microorganism, then become bead sector-style of going forward side by side to do by Mold Making in mixture;Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, the bead that the internal bead containing magnetizing mediums 14 does not contains magnetizing mediums 14 with inside separates, and the internal bead containing magnetizing mediums 14 is immobilized microorganism ball 13;Immobilized microorganism ball 13 is used in the sewage disposal system of a kind of membrane bioreactor, and produce magnetic field by arranging magnetic field generator 9 around the sewage disposal system of a kind of membrane bioreactor, make immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor;Immobilized microorganism ball 13 is in long-time use, the activated sludge 15 on surface loses activity gradually, by closing magnetic field, make immobilized microorganism ball 13 sink to bottom by the gravity of self to reclaim, finally by the immobilized microorganism ball 13 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 14;Again the magnetizing mediums 14 being recovered to is sufficiently mixed with activated sludge 15 and again makes immobilized microorganism ball 13.
A kind of sewage disposal system of membrane bioreactor, its using method is:
The first step, open container 7, make the immobilized microorganism ball 13 of inside be flowed in the sewage disposal system of a kind of membrane bioreactor;
Second step, open magnetic field generator 9 and aerator 8, make that the sewage disposal system of a kind of membrane bioreactor is internal produces magnetic field, and then make immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor;
3rd step, opening conduits valve, make sewage be flowed in the sewage disposal system of a kind of membrane bioreactor;
4th step, sewage are discharged after the sewage disposal system of a kind of membrane bioreactor processes;After immobilized microorganism ball 13 uses a period of time in the sewage disposal system of a kind of membrane bioreactor, it is flowed in the MBR pond 3 not having magnetic field, the immobilized microorganism ball 13 of a part is flowed in collection device 11, and another part immobilized microorganism ball 13 is back in anoxic pond 1 recycle.
Embodiment 2:
Referring to Fig. 1-5, the present invention provides a kind of technical scheme: the sewage disposal system of a kind of membrane bioreactor, including anoxic pond 1, Aerobic Pond 2, MBR pond 3 and sterilization pool 4;Sewage through filtering sequentially enters anoxic pond 1, Aerobic Pond 2 and MBR pond 3, discharges after eventually passing sterilization pool 4 sterilization, and the immobilized microorganism ball 13 of a part can be back to anoxic pond 1 by MBR pond 3, and another part is expelled in collection device 11;
Anoxic pond 1 includes water inlet pipe 5, outlet pipe 6, container 7, aerator 8 and magnetic field generator 9;Aerobic Pond 2 includes water inlet pipe 5, outlet pipe 6, aerator 8 and magnetic field generator 9;MBR pond 3 includes water inlet pipe 5, outlet pipe 6, aerator 8, return duct 10, collection device 11 and membrane module 12;
Membrane module 12 in MBR pond 3 connects outlet pipe 6;Container 7 is used for containing immobilized microorganism ball 13;The bottom in MBR pond 3 is provided with collection device 11, is used for collecting immobilized microorganism ball 13;The bottom in MBR pond 3 connects back to flow tube 10, for the immobilized microorganism 13 of a part is back to anoxic pond 1;
Immobilized microorganism ball 13 includes magnetizing mediums 14 and activated sludge 15, a diameter of 20mm of immobilized microorganism ball 13, magnetizing mediums 14 is the metallic nickel after Passivation Treatment, a diameter of 9mm of magnetizing mediums 14, magnetizing mediums 14 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 15 is rich in microorganism;Activated sludge 15 is wrapped in magnetizing mediums 14, is formed spherical;Magnetic field generator 9 produces magnetic field, and then makes immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor.
The preparation of the immobilized microorganism ball 13 in the sewage disposal system of a kind of membrane bioreactor and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums 14 afterwards by will be enriched in the activated sludge 15 of microorganism, then become bead sector-style of going forward side by side to do by Mold Making in mixture;Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, the bead that the internal bead containing magnetizing mediums 14 does not contains magnetizing mediums 14 with inside separates, and the internal bead containing magnetizing mediums 14 is immobilized microorganism ball 13;Immobilized microorganism ball 13 is used in the sewage disposal system of a kind of membrane bioreactor, and produce magnetic field by arranging magnetic field generator 9 around the sewage disposal system of a kind of membrane bioreactor, make immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor;Immobilized microorganism ball 13 is in long-time use, the activated sludge 15 on surface loses activity gradually, by closing magnetic field, make immobilized microorganism ball 13 sink to bottom by the gravity of self to reclaim, finally by the immobilized microorganism ball 13 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 14;Again the magnetizing mediums 14 being recovered to is sufficiently mixed with activated sludge 15 and again makes immobilized microorganism ball 13.
A kind of sewage disposal system of membrane bioreactor, its using method is:
The first step, open container 7, make the immobilized microorganism ball 13 of inside be flowed in the sewage disposal system of a kind of membrane bioreactor;
Second step, open magnetic field generator 9 and aerator 8, make that the sewage disposal system of a kind of membrane bioreactor is internal produces magnetic field, and then make immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor;
3rd step, opening conduits valve, make sewage be flowed in the sewage disposal system of a kind of membrane bioreactor;
4th step, sewage are discharged after the sewage disposal system of a kind of membrane bioreactor processes;After immobilized microorganism ball 13 uses a period of time in the sewage disposal system of a kind of membrane bioreactor, it is flowed in the MBR pond 3 not having magnetic field, the immobilized microorganism ball 13 of a part is flowed in collection device 11, and another part immobilized microorganism ball 13 is back in anoxic pond 1 recycle.
Embodiment 3:
Referring to Fig. 1-5, the present invention provides a kind of technical scheme: the sewage disposal system of a kind of membrane bioreactor, including anoxic pond 1, Aerobic Pond 2, MBR pond 3 and sterilization pool 4;Sewage through filtering sequentially enters anoxic pond 1, Aerobic Pond 2 and MBR pond 3, discharges after eventually passing sterilization pool 4 sterilization, and the immobilized microorganism ball 13 of a part can be back to anoxic pond 1 by MBR pond 3, and another part is expelled in collection device 11;
Anoxic pond 1 includes water inlet pipe 5, outlet pipe 6, container 7, aerator 8 and magnetic field generator 9;Aerobic Pond 2 includes water inlet pipe 5, outlet pipe 6, aerator 8 and magnetic field generator 9;MBR pond 3 includes water inlet pipe 5, outlet pipe 6, aerator 8, return duct 10, collection device 11 and membrane module 12;
Membrane module 12 in MBR pond 3 connects outlet pipe 6;Container 7 is used for containing immobilized microorganism ball 13;The bottom in MBR pond 3 is provided with collection device 11, is used for collecting immobilized microorganism ball 13;The bottom in MBR pond 3 connects back to flow tube 10, for the immobilized microorganism 13 of a part is back to anoxic pond 1;
Immobilized microorganism ball 13 includes magnetizing mediums 14 and activated sludge 15, a diameter of 19mm of immobilized microorganism ball 13, magnetizing mediums 14 is the metallic nickel after Passivation Treatment, a diameter of 8mm of magnetizing mediums 14, magnetizing mediums 14 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 15 is rich in microorganism;Activated sludge 15 is wrapped in magnetizing mediums 14, is formed spherical;Magnetic field generator 9 produces magnetic field, and then makes immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor.
The preparation of the immobilized microorganism ball 13 in the sewage disposal system of a kind of membrane bioreactor and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums 14 afterwards by will be enriched in the activated sludge 15 of microorganism, then become bead sector-style of going forward side by side to do by Mold Making in mixture;Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, the bead that the internal bead containing magnetizing mediums 14 does not contains magnetizing mediums 14 with inside separates, and the internal bead containing magnetizing mediums 14 is immobilized microorganism ball 13;Immobilized microorganism ball 13 is used in the sewage disposal system of a kind of membrane bioreactor, and produce magnetic field by arranging magnetic field generator 9 around the sewage disposal system of a kind of membrane bioreactor, make immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor;Immobilized microorganism ball 13 is in long-time use, the activated sludge 15 on surface loses activity gradually, by closing magnetic field, make immobilized microorganism ball 13 sink to bottom by the gravity of self to reclaim, finally by the immobilized microorganism ball 13 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 14;Again the magnetizing mediums 14 being recovered to is sufficiently mixed with activated sludge 15 and again makes immobilized microorganism ball 13.
A kind of sewage disposal system of membrane bioreactor, its using method is:
The first step, open container 7, make the immobilized microorganism ball 13 of inside be flowed in the sewage disposal system of a kind of membrane bioreactor;
Second step, open magnetic field generator 9 and aerator 8, make that the sewage disposal system of a kind of membrane bioreactor is internal produces magnetic field, and then make immobilized microorganism ball 13 be in suspended state in the sewage disposal system of a kind of membrane bioreactor;
3rd step, opening conduits valve, make sewage be flowed in the sewage disposal system of a kind of membrane bioreactor;
4th step, sewage are discharged after the sewage disposal system of a kind of membrane bioreactor processes;After immobilized microorganism ball 13 uses a period of time in the sewage disposal system of a kind of membrane bioreactor, it is flowed in the MBR pond 3 not having magnetic field, the immobilized microorganism ball 13 of a part is flowed in collection device 11, and another part immobilized microorganism ball 13 is back in anoxic pond 1 recycle.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; conceive in addition equivalent or change according to technical scheme and improvement thereof, all should contain within the scope of the present invention.

Claims (7)

1. the sewage disposal system of a membrane bioreactor, it is characterised in that: include anoxic pond (1), Aerobic Pond (2), MBR pond (3) and sterilization pool (4);Sewage through filtering sequentially enters anoxic pond (1), Aerobic Pond (2) and MBR pond (3), discharge after eventually passing sterilization pool (4) sterilization, the immobilized microorganism ball (13) of a part can be back to anoxic pond (1) by described MBR pond (3), and another part is expelled in collection device (11);
Described anoxic pond (1) includes water inlet pipe (5), outlet pipe (6), container (7), aerator (8) and magnetic field generator (9);Described Aerobic Pond (2) includes water inlet pipe (5), outlet pipe (6), aerator (8) and magnetic field generator (9);Described MBR pond (3) includes water inlet pipe (5), outlet pipe (6), aerator (8), return duct (10), collection device (11) and membrane module (12);
Membrane module (12) in described MBR pond (3) connects outlet pipe (6);Described container (7) is used for containing immobilized microorganism ball (13);The bottom in described MBR pond (3) is provided with collection device (11), is used for collecting immobilized microorganism ball (13);The bottom in described MBR pond (3) connects back to flow tube (10), for the immobilized microorganism (13) of a part is back to anoxic pond (1);
Described immobilized microorganism ball (13) includes magnetizing mediums (14) and activated sludge (15), and described magnetizing mediums (14) is without magnetic, but can magnetize under the influence of a magnetic field, and described activated sludge (15) is rich in microorganism;Described activated sludge (15) is wrapped in magnetizing mediums (14), is formed spherical;Described magnetic field generator (9) produces magnetic field, and then makes immobilized microorganism ball (13) be in suspended state in the sewage disposal system of described a kind of membrane bioreactor.
The sewage disposal system of a kind of membrane bioreactor the most according to claim 1, it is characterized in that: the preparation of the immobilized microorganism ball (13) in the sewage disposal system of described a kind of membrane bioreactor and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums (14) afterwards by will be enriched in the activated sludge of microorganism (15), then become bead sector-style of going forward side by side to do by Mold Making in mixture;Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, the bead that the internal bead containing magnetizing mediums (14) does not contains magnetizing mediums (14) with inside separates, and the internal bead containing magnetizing mediums (14) is immobilized microorganism ball (13);By immobilized microorganism ball (13) in the sewage disposal system of described a kind of membrane bioreactor, and by arranging magnetic field generator (9) generation magnetic field around the sewage disposal system of described a kind of membrane bioreactor, make immobilized microorganism ball (13) be in suspended state in the sewage disposal system of described a kind of membrane bioreactor;Immobilized microorganism ball (13) is in long-time use, the activated sludge (15) on surface loses activity gradually, by closing magnetic field, make immobilized microorganism ball (13) sink to bottom by the gravity of self to reclaim, finally by the immobilized microorganism ball (13) reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums (14);Again the magnetizing mediums (14) being recovered to and activated sludge (15) are sufficiently mixed and again make immobilized microorganism ball (13).
The sewage disposal system of a kind of membrane bioreactor the most according to claim 2, it is characterised in that: a diameter of 18 ~ 20mm of described immobilized microorganism ball (13).
The sewage disposal system of a kind of membrane bioreactor the most according to claim 1, it is characterised in that: described magnetizing mediums (14) is metallic nickel.
The sewage disposal system of a kind of membrane bioreactor the most according to claim 4, it is characterised in that: described metallic nickel is the metallic nickel after Passivation Treatment.
The sewage disposal system of a kind of membrane bioreactor the most according to claim 4, it is characterised in that: a diameter of 7 ~ 9mm of described magnetizing mediums (14).
The sewage disposal system of a kind of membrane bioreactor the most according to claim 1, its using method is:
The first step, open container (7), make the immobilized microorganism ball (13) of inside be flowed in the sewage disposal system of described a kind of membrane bioreactor;
Second step, open magnetic field generator (9) and aerator (8), make the sewage disposal system internal generation magnetic field of described a kind of membrane bioreactor, and then make immobilized microorganism ball (13) be in suspended state in the sewage disposal system of described a kind of membrane bioreactor;
3rd step, opening conduits valve, make sewage be flowed in the sewage disposal system of described a kind of membrane bioreactor;
4th step, sewage are discharged after the sewage disposal system of described a kind of membrane bioreactor processes;After immobilized microorganism ball (13) uses a period of time in the sewage disposal system of described a kind of membrane bioreactor, it is flowed in the MBR pond (3) not having magnetic field, the immobilized microorganism ball (13) of a part is flowed in collection device (11), and another part immobilized microorganism ball (13) is back in anoxic pond (1) recycle.
CN201610560767.9A 2016-07-18 2016-07-18 Sewage treatment system of membrane bioreactor and using method thereof Pending CN105948417A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225806A (en) * 2011-05-24 2011-10-26 合肥工业大学 Magnetic biological carrier and preparation method thereof
CN104003520A (en) * 2014-06-04 2014-08-27 深圳合续环境科技有限公司 Solid carbon source as well as preparation method and application thereof
CN104030521A (en) * 2014-05-21 2014-09-10 成都振中电气有限公司 Wastewater treatment device
CN204022537U (en) * 2014-07-03 2014-12-17 济南大学 A kind of air water co-flow magnetic force enhanced biological filtration reactor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225806A (en) * 2011-05-24 2011-10-26 合肥工业大学 Magnetic biological carrier and preparation method thereof
CN104030521A (en) * 2014-05-21 2014-09-10 成都振中电气有限公司 Wastewater treatment device
CN104003520A (en) * 2014-06-04 2014-08-27 深圳合续环境科技有限公司 Solid carbon source as well as preparation method and application thereof
CN204022537U (en) * 2014-07-03 2014-12-17 济南大学 A kind of air water co-flow magnetic force enhanced biological filtration reactor

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