CN106006969A - Waste water treatment system and operation method thereof - Google Patents

Waste water treatment system and operation method thereof Download PDF

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Publication number
CN106006969A
CN106006969A CN201610560972.5A CN201610560972A CN106006969A CN 106006969 A CN106006969 A CN 106006969A CN 201610560972 A CN201610560972 A CN 201610560972A CN 106006969 A CN106006969 A CN 106006969A
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waste water
immobilized microorganism
processing
microorganism ball
magnetic
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CN201610560972.5A
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汪浩
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汪浩
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Priority to CN201610560972.5A priority Critical patent/CN106006969A/en
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    • 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
    • C02F3/30Aerobic and anaerobic processes

Abstract

The invention discloses a waste water treatment system and an operation method thereof. The waste water treatment system comprises a water inlet, an anaerobic tank, an anoxia tank, an aerobic tank, a membrane cistern and a water outlet. The operation method of the waste water treatment system comprises the following steps: firstly, opening a container and enabling immobilized microorganism balls to flow into the system; secondly, collecting the immobilized microorganism balls which are used for a long time; finally, producing new immobilized microorganism balls with the collected immobilized microorganism balls. The immobilized microorganism balls used in the waste water treatment system and the operation method thereof not only can keep activity of microorganisms and purity water, but also can separate mud from water, membrane pores cannot be blocked, and membrane pollution is reduced; diameters of the immobilized microorganism balls are selected appropriately; under the effect of a magnetic field, the immobilized microorganism balls can be in suspended states, and the activity of the microorganisms can further be improved; the immobilized microorganism balls can be recycled, so that the microorganisms in the immobilized microorganism balls are always in high-activity states.

Description

The processing system of a kind of waste water and operational approach thereof
Technical field
The present invention relates to field of waste water treatment, the processing system of a kind of waste water and operational approach 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 waste water processes and regeneration industry is by unprecedented concern.
Being mainly used in anaerobic pond discharging phosphorus, partial organic substances carries out ammonification simultaneously, also can remove the COD in water, can be by the mixed-liquor return of anoxic pond to anaerobic pond by interior circulation;Being mainly used in denitrogenation in anoxic pond, nitrate nitrogen is back to anoxic pond by interior circulation by Aerobic Pond, and the part immobilized microorganism ball in anoxic pond is come by membrane cisterna backflow;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;Membrane cisterna is used for purifying water, and the water after membrane cisterna purifies can be expelled directly out.
During membrane process waste water processes, 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 processing system and the operational approach thereof of a kind of waste water, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: the processing system of a kind of waste water, including water inlet, anaerobic pond, anoxic pond, Aerobic Pond, membrane cisterna and outlet;Waste water enters from water inlet, pass sequentially through anaerobic pond, anoxic pond, Aerobic Pond, membrane cisterna, finally discharge from outlet, the described mixed liquor in Aerobic Pond can be back to anoxic pond, mixed liquor in anoxic pond can be back to anaerobic pond, an immobilized microorganism ball part in described membrane cisterna is back to anoxic pond, and another part is discharged;
Described anaerobic pond includes outlet pipe, water inlet pipe, container and magnetic field generator;Described anoxic pond and Aerobic Pond include outlet pipe, water inlet pipe, magnetic field generator, return duct and aerator;Described membrane cisterna includes outlet pipe, water inlet pipe, return duct, aerator, membrane module and collection device;
Described container is used for containing immobilized microorganism ball;The bottom of described membrane cisterna is provided with collection device, is used for collecting immobilized microorganism ball;The bottom of described membrane cisterna connects back to flow tube, for being back in anoxic pond by the immobilized microorganism ball of a part;
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 processing system of described a kind of waste water.
Preferably, the preparation of the immobilized microorganism ball in the processing system of described a kind of waste water 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 processing system of described a kind of waste water, and by arranging magnetic field generator generation magnetic field around the processing system of described a kind of waste water, make immobilized microorganism ball be in suspended state in the processing system of described a kind of waste water;Immobilized microorganism ball is in long-time use, the activated sludge on surface loses activity gradually, the immobilized microorganism ball being not provided with in the membrane cisterna in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball reclaimed by soaking, rolling, 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 0.3 ~ 3mm 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 0.1 ~ 1mm of described magnetizing mediums.
The processing system of described a kind of waste water, its operational approach is:
The first step, open container, make immobilized microorganism ball be flowed in the processing system of described a kind of waste water;
Second step, open magnetic field generator and aerator, make that the processing system of described a kind of waste water is internal produces magnetic field, and then make immobilized microorganism ball be in suspended state in the processing system of described a kind of waste water;
3rd step, opening conduits valve, waste water is flowed into the processing system of described a kind of waste water from water inlet;
4th step, waste water are discharged after the membrane cisterna in the processing system of described a kind of waste water filters;Immobilized microorganism ball is not provided with in the membrane cisterna in magnetic field around being flowed into after using a period of time in the processing system of described a kind of waste water, sink to bottom membrane cisterna by the gravity of self, and entering in collection device, part immobilized microorganism ball is back in anoxic pond by return duct.
Compared with prior art, the invention has the beneficial effects as follows: the immobilized microorganism ball that the processing system of described a kind of waste water and operational approach 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 0.3 ~ 3mm 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, waste water 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 waste water 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 anaerobic pond of the present invention;
Fig. 3 is the structural representation of anoxic pond of the present invention;
Fig. 4 is the structural representation of membrane cisterna of the present invention;
Fig. 5 is the structural representation of the immobilized microorganism ball of the present invention.
In figure: 1, water inlet, 2, anaerobic pond, 3, anoxic pond, 4, Aerobic Pond, 5, membrane cisterna, 6, outlet, 7, immobilized microorganism ball, 8, outlet pipe, 9, water inlet pipe, 10, container, 11, magnetic field generator, 12, return duct, 13, aerator, 14, collection device, 15, magnetizing mediums, 16, activated sludge, 17, membrane module.
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 processing system of a kind of waste water, including water inlet 1, anaerobic pond 2, anoxic pond 3, Aerobic Pond 4, membrane cisterna 5 and outlet 6;Waste water enters from water inlet 1, pass sequentially through anaerobic pond 2, anoxic pond 3, Aerobic Pond 4, membrane cisterna 5, finally discharge from outlet 6, mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, mixed liquor in anoxic pond 3 can be back to anaerobic pond 2, immobilized microorganism ball 7 part in membrane cisterna 5 is back to anoxic pond 3, and another part is discharged;
Anaerobic pond 2 includes outlet pipe 8, water inlet pipe 9, container 10 and magnetic field generator 11;Anoxic pond 3 and Aerobic Pond 4 include outlet pipe 8, water inlet pipe 9, magnetic field generator 11, return duct 12 and aerator 13;Membrane cisterna 5 includes outlet pipe 8, water inlet pipe 9, return duct 12, aerator 13, membrane module 17 and collection device 14;
Container 10 is used for containing immobilized microorganism ball 7;The bottom of membrane cisterna 5 is provided with collection device 14, is used for collecting immobilized microorganism ball 7;The bottom of membrane cisterna 5 connects back to flow tube 12, for being back in anoxic pond 3 by the immobilized microorganism ball 7 of a part;
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 0.3mm of immobilized microorganism ball 7, magnetizing mediums 15 is the metallic nickel after Passivation Treatment, a diameter of 0.1mm of magnetizing mediums 15, magnetizing mediums 15 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 16 is rich in microorganism;Activated sludge 16 is wrapped in magnetizing mediums 15, is formed spherical;Magnetic field generator 11 produces magnetic field, and then makes immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water.
The preparation of the immobilized microorganism ball 7 in the processing system of a kind of waste water and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums 15 afterwards by will be enriched in the activated sludge 16 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 15 does not contains magnetizing mediums 15 with inside separates, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7;Immobilized microorganism ball 7 is used in the processing system of a kind of waste water, and produces magnetic field by arranging magnetic field generator 11 around the processing system of a kind of waste water, make immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water;Immobilized microorganism ball 7 is in long-time use, the activated sludge 16 on surface loses activity gradually, the immobilized microorganism ball 7 being not provided with in the membrane cisterna 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 7 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 15;Again the magnetizing mediums 15 being recovered to is sufficiently mixed with activated sludge 16 and again makes immobilized microorganism ball 7.
A kind of processing system of waste water, its operational approach is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in the processing system of a kind of waste water;
Second step, open magnetic field generator 11 and aerator 13, make that the processing system of a kind of waste water is internal produces magnetic field, and then make immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water;
3rd step, opening conduits valve, waste water is flowed into the processing system of a kind of waste water from water inlet 1;
4th step, waste water are discharged after the membrane cisterna 5 in the processing system of a kind of waste water filters;Immobilized microorganism ball 7 is not provided with in the membrane cisterna 5 in magnetic field around being flowed into after using a period of time in the processing system of a kind of waste water, sink to bottom membrane cisterna 5 by the gravity of self, and entering in collection device 14, part immobilized microorganism ball 7 is back in anoxic pond 3 by return duct 12.
Embodiment 2:
Referring to Fig. 1-5, the present invention provides a kind of technical scheme: the processing system of a kind of waste water, including water inlet 1, anaerobic pond 2, anoxic pond 3, Aerobic Pond 4, membrane cisterna 5 and outlet 6;Waste water enters from water inlet 1, pass sequentially through anaerobic pond 2, anoxic pond 3, Aerobic Pond 4, membrane cisterna 5, finally discharge from outlet 6, mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, mixed liquor in anoxic pond 3 can be back to anaerobic pond 2, immobilized microorganism ball 7 part in membrane cisterna 5 is back to anoxic pond 3, and another part is discharged;
Anaerobic pond 2 includes outlet pipe 8, water inlet pipe 9, container 10 and magnetic field generator 11;Anoxic pond 3 and Aerobic Pond 4 include outlet pipe 8, water inlet pipe 9, magnetic field generator 11, return duct 12 and aerator 13;Membrane cisterna 5 includes outlet pipe 8, water inlet pipe 9, return duct 12, aerator 13, membrane module 17 and collection device 14;
Container 10 is used for containing immobilized microorganism ball 7;The bottom of membrane cisterna 5 is provided with collection device 14, is used for collecting immobilized microorganism ball 7;The bottom of membrane cisterna 5 connects back to flow tube 12, for being back in anoxic pond 3 by the immobilized microorganism ball 7 of a part;
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 3mm of immobilized microorganism ball 7, magnetizing mediums 15 is the metallic nickel after Passivation Treatment, a diameter of 1mm of magnetizing mediums 15, magnetizing mediums 15 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 16 is rich in microorganism;Activated sludge 16 is wrapped in magnetizing mediums 15, is formed spherical;Magnetic field generator 11 produces magnetic field, and then makes immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water.
The preparation of the immobilized microorganism ball 7 in the processing system of a kind of waste water and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums 15 afterwards by will be enriched in the activated sludge 16 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 15 does not contains magnetizing mediums 15 with inside separates, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7;Immobilized microorganism ball 7 is used in the processing system of a kind of waste water, and produces magnetic field by arranging magnetic field generator 11 around the processing system of a kind of waste water, make immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water;Immobilized microorganism ball 7 is in long-time use, the activated sludge 16 on surface loses activity gradually, the immobilized microorganism ball 7 being not provided with in the membrane cisterna 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 7 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 15;Again the magnetizing mediums 15 being recovered to is sufficiently mixed with activated sludge 16 and again makes immobilized microorganism ball 7.
A kind of processing system of waste water, its operational approach is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in the processing system of a kind of waste water;
Second step, open magnetic field generator 11 and aerator 13, make that the processing system of a kind of waste water is internal produces magnetic field, and then make immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water;
3rd step, opening conduits valve, waste water is flowed into the processing system of a kind of waste water from water inlet 1;
4th step, waste water are discharged after the membrane cisterna 5 in the processing system of a kind of waste water filters;Immobilized microorganism ball 7 is not provided with in the membrane cisterna 5 in magnetic field around being flowed into after using a period of time in the processing system of a kind of waste water, sink to bottom membrane cisterna 5 by the gravity of self, and entering in collection device 14, part immobilized microorganism ball 7 is back in anoxic pond 3 by return duct 12.
Embodiment 3:
Referring to Fig. 1-5, the present invention provides a kind of technical scheme: the processing system of a kind of waste water, including water inlet 1, anaerobic pond 2, anoxic pond 3, Aerobic Pond 4, membrane cisterna 5 and outlet 6;Waste water enters from water inlet 1, pass sequentially through anaerobic pond 2, anoxic pond 3, Aerobic Pond 4, membrane cisterna 5, finally discharge from outlet 6, mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, mixed liquor in anoxic pond 3 can be back to anaerobic pond 2, immobilized microorganism ball 7 part in membrane cisterna 5 is back to anoxic pond 3, and another part is discharged;
Anaerobic pond 2 includes outlet pipe 8, water inlet pipe 9, container 10 and magnetic field generator 11;Anoxic pond 3 and Aerobic Pond 4 include outlet pipe 8, water inlet pipe 9, magnetic field generator 11, return duct 12 and aerator 13;Membrane cisterna 5 includes outlet pipe 8, water inlet pipe 9, return duct 12, aerator 13, membrane module 17 and collection device 14;
Container 10 is used for containing immobilized microorganism ball 7;The bottom of membrane cisterna 5 is provided with collection device 14, is used for collecting immobilized microorganism ball 7;The bottom of membrane cisterna 5 connects back to flow tube 12, for being back in anoxic pond 3 by the immobilized microorganism ball 7 of a part;
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 2mm of immobilized microorganism ball 7, magnetizing mediums 15 is the metallic nickel after Passivation Treatment, a diameter of 0.7mm of magnetizing mediums 15, magnetizing mediums 15 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 16 is rich in microorganism;Activated sludge 16 is wrapped in magnetizing mediums 15, is formed spherical;Magnetic field generator 11 produces magnetic field, and then makes immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water.
The preparation of the immobilized microorganism ball 7 in the processing system of a kind of waste water and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums 15 afterwards by will be enriched in the activated sludge 16 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 15 does not contains magnetizing mediums 15 with inside separates, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7;Immobilized microorganism ball 7 is used in the processing system of a kind of waste water, and produces magnetic field by arranging magnetic field generator 11 around the processing system of a kind of waste water, make immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water;Immobilized microorganism ball 7 is in long-time use, the activated sludge 16 on surface loses activity gradually, the immobilized microorganism ball 7 being not provided with in the membrane cisterna 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 7 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 15;Again the magnetizing mediums 15 being recovered to is sufficiently mixed with activated sludge 16 and again makes immobilized microorganism ball 7.
A kind of processing system of waste water, its operational approach is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in the processing system of a kind of waste water;
Second step, open magnetic field generator 11 and aerator 13, make that the processing system of a kind of waste water is internal produces magnetic field, and then make immobilized microorganism ball 7 be in suspended state in the processing system of a kind of waste water;
3rd step, opening conduits valve, waste water is flowed into the processing system of a kind of waste water from water inlet 1;
4th step, waste water are discharged after the membrane cisterna 5 in the processing system of a kind of waste water filters;Immobilized microorganism ball 7 is not provided with in the membrane cisterna 5 in magnetic field around being flowed into after using a period of time in the processing system of a kind of waste water, sink to bottom membrane cisterna 5 by the gravity of self, and entering in collection device 14, part immobilized microorganism ball 7 is back in anoxic pond 3 by return duct 12.
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 processing system of a waste water, it is characterised in that: include water inlet (1), anaerobic pond (2), anoxic pond (3), Aerobic Pond (4), membrane cisterna (5) and outlet (6);Waste water enters from water inlet (1), pass sequentially through anaerobic pond (2), anoxic pond (3), Aerobic Pond (4), membrane cisterna (5), finally discharge from outlet (6), the described mixed liquor in Aerobic Pond (4) can be back to anoxic pond (3), mixed liquor in anoxic pond (3) can be back to anaerobic pond (2), described immobilized microorganism ball (7) part in membrane cisterna (5) is back to anoxic pond (3), and another part is discharged;
Described anaerobic pond (2) includes outlet pipe (8), water inlet pipe (9), container (10) and magnetic field generator (11);Described anoxic pond (3) and Aerobic Pond (4) include outlet pipe (8), water inlet pipe (9), magnetic field generator (11), return duct (12) and aerator (13);Described membrane cisterna (5) includes outlet pipe (8), water inlet pipe (9), return duct (12), aerator (13), membrane module (17) and collection device (14);
Described container (10) is used for containing immobilized microorganism ball (7);The bottom of described membrane cisterna (5) is provided with collection device (14), is used for collecting immobilized microorganism ball (7);The bottom of described membrane cisterna (5) connects back to flow tube (12), for being back in anoxic pond (3) by the immobilized microorganism ball (7) of a part;
Described immobilized microorganism ball (7) includes magnetizing mediums (15) and activated sludge (16), and described magnetizing mediums (15) is without magnetic, but can magnetize under the influence of a magnetic field, and described activated sludge (16) is rich in microorganism;Described activated sludge (16) is wrapped in magnetizing mediums (15), is formed spherical;Described magnetic field generator (11) produces magnetic field, and then makes immobilized microorganism ball (7) be in suspended state in the processing system of described a kind of waste water.
The processing system of a kind of waste water the most according to claim 1, it is characterized in that: the preparation of the immobilized microorganism ball (7) in the processing system of described a kind of waste water and to reclaim be to be dissolved into by solvent and thick be sufficiently mixed with magnetizing mediums (15) afterwards by will be enriched in the activated sludge of microorganism (16), 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 (15) does not contains magnetizing mediums (15) with inside separates, and the internal bead containing magnetizing mediums (15) is immobilized microorganism ball (7);By immobilized microorganism ball (7) in the processing system of described a kind of waste water, and by arranging magnetic field generator (11) generation magnetic field around the processing system of described a kind of waste water, make immobilized microorganism ball (7) be in suspended state in the processing system of described a kind of waste water;Immobilized microorganism ball (7) is in long-time use, the activated sludge (16) on surface loses activity gradually, the immobilized microorganism ball (7) being not provided with in the membrane cisterna (5) in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball (7) reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums (15);Again the magnetizing mediums (15) being recovered to and activated sludge (16) are sufficiently mixed and again make immobilized microorganism ball (7).
The processing system of a kind of waste water the most according to claim 2, it is characterised in that: a diameter of 0.3 ~ 3mm of described immobilized microorganism ball (7).
The processing system of a kind of waste water the most according to claim 1, it is characterised in that: described magnetizing mediums (15) is metallic nickel.
The processing system of a kind of waste water the most according to claim 4, it is characterised in that: described metallic nickel is the metallic nickel after Passivation Treatment.
The processing system of a kind of waste water the most according to claim 4, it is characterised in that: a diameter of 0.1 ~ 1mm of described magnetizing mediums (15).
The processing system of a kind of waste water the most according to claim 1, its operational approach is:
The first step, open container (10), make immobilized microorganism ball (7) be flowed in the processing system of described a kind of waste water;
Second step, open magnetic field generator (11) and aerator (13), make that the processing system of described a kind of waste water is internal produces magnetic field, and then make immobilized microorganism ball (7) be in suspended state in the processing system of described a kind of waste water;
3rd step, opening conduits valve, waste water is flowed into the processing system of described a kind of waste water from water inlet (1);
4th step, waste water are discharged after the membrane cisterna (5) in the processing system of described a kind of waste water filters;Immobilized microorganism ball (7) is not provided with in the membrane cisterna (5) in magnetic field around being flowed into after using a period of time in the processing system of described a kind of waste water, membrane cisterna (5) bottom is sunk to by the gravity of self, and entering in collection device (14), part immobilized microorganism ball (7) is back in anoxic pond (3) by return duct (12).
CN201610560972.5A 2016-07-18 2016-07-18 Waste water treatment system and operation method thereof Pending CN106006969A (en)

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CN102225806A (en) * 2011-05-24 2011-10-26 合肥工业大学 Magnetic biological carrier and preparation method thereof
CN102381818A (en) * 2011-10-24 2012-03-21 沈阳建筑大学 A2N-SBR (Anaerobic-anoxic/nitrification-sequencing batch reactor) process with shortcut nitrification-denitrification denitrifying and dephosphorizing function
CN104445830A (en) * 2014-12-15 2015-03-25 深圳合续环境科技有限公司 A3/O-MBBR (Moving Bed Biofilm Reactor) integrated sewage treatment device and A3/O-MBBR integrated sewage treatment method

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