CN105923941A - Sewage treatment technology and operating method thereof - Google Patents

Sewage treatment technology and operating method thereof Download PDF

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Publication number
CN105923941A
CN105923941A CN201610564059.2A CN201610564059A CN105923941A CN 105923941 A CN105923941 A CN 105923941A CN 201610564059 A CN201610564059 A CN 201610564059A CN 105923941 A CN105923941 A CN 105923941A
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immobilized microorganism
sewage treatment
microorganism ball
zone
treatment process
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赵鹏
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赵鹏
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Priority to CN201610564059.2A priority Critical patent/CN105923941A/en
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    • 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
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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
    • C02F2301/04Flow arrangements
    • C02F2301/043Treatment of partial or bypass streams
    • 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
    • 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
    • C02F3/28Anaerobic digestion processes
    • 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
    • C02F3/301Aerobic and anaerobic treatment in the same reactor

Abstract

The invention discloses a sewage treatment technology and an operating method thereof. A system for implementing the technology comprises an anaerobic zone, an anoxic zone a, an aerobic zone, an anoxic zone b and a precipitation tank. The operating method of the technology comprises the following steps: placing immobilized microorganism balls in an anaerobic tank, and recovering and afresh making the immobilized microorganism balls at the bottom of the precipitation tank. The immobilized microorganism balls used in the sewage treatment technology and the operating method thereof can keep the activity of microorganisms, purify water, also can be used to separate mud and water, and have good settlement property; the immobilized microorganism balls have an appropriate diameter to realize suspension without a large magnetic field, and sewage is in contact with the microorganisms in the immobilized microorganism balls; the magnetic field makes the immobilized microorganism balls be in a suspending state, and also can improve the activity of the microorganisms; and the immobilized microorganism balls can be recycled, so the microorganisms in the immobilized microorganism balls are always highly active.

Description

A kind of sewage treatment process and its method of operating
Technical field
The present invention relates to sewage treatment area, be specially a kind of sewage treatment process and its method of operating.
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 lack of water 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 anaerobic zone discharging phosphorus, partial organic substances carries out ammonification simultaneously, also can remove the COD in water;Being mainly used in denitrogenation in anoxic zone, nitrate nitrogen is back to anoxic zone by interior circulation by aerobic zone;Aerobic zone 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;Sedimentation basin is used for purifying water, and the water after sedimentation basin purifies can be expelled directly out.
In sewage-treatment plant, the effect of sedimentation basin is mainly mud-water separation, and the method that routine uses is free sedimentation, flocculation sediment, group's precipitation and compression precipitating, but method of each precipitation has respective shortcoming, or the sedimentation time is oversize, or mud-water separation is not thorough, settleability is bad.
Summary of the invention
It is an object of the invention to provide a kind of sewage treatment process and its method of operating, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of sewage treatment process, including anaerobic zone, anoxic zone a, aerobic zone, anoxic zone b and sedimentation basin, described anaerobic zone connects sewage water inlet pipe, sewage and immobilized microorganism ball sequentially pass through anaerobic zone, anoxic zone a, aerobic zone, anoxic zone b, discharging after eventually passing sedimentation basin precipitation, immobilized microorganism ball can be back to anoxic zone a by described aerobic zone;
Described anaerobic zone includes outlet pipe, container, water inlet pipe and magnetic field generator;Described anoxic zone a, aerobic zone and anoxic zone b include outlet pipe, water inlet pipe, aerator and magnetic field generator;Described sedimentation basin includes outlet pipe, water inlet pipe and collection device;
Described container is used for containing immobilized microorganism ball;Described aerator is positioned at bottom anoxic zone a, aerobic zone and anoxic zone b;The described side bottom sedimentation basin is provided with collection device, and described collection device is used for collecting immobilized microorganism ball;
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 described a kind of sewage treatment process.
Preferably, the preparation of the described immobilized microorganism ball in a kind of sewage treatment process with reclaim be by will be enriched in the activated sludge of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil;Again magnetizing mediums is placed on plate, each circular hole is placed a magnetizing mediums;Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate enabling the immobilized microorganism ball air-dried and surface to be made up of masking foil departs from;Immobilized microorganism ball is used in described a kind of sewage treatment process, and by arranging magnetic field generator generation magnetic field around described a kind of sewage treatment process, makes immobilized microorganism ball be in suspended state in described a kind of sewage treatment process;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 sedimentation basin 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 5 ~ 10mm 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 1 ~ 3mm of described magnetizing mediums.
Described a kind of sewage treatment process, its method of operating is:
The first step, the aerator opened in anoxic zone a, aerobic zone, anoxic zone b and sedimentation basin;
Second step, the container opened in anaerobic zone, make immobilized microorganism ball be flowed in anaerobic zone;
3rd step, magnetic field generator is opened, produce magnetic field, make immobilized microorganism ball be in suspended state in described a kind of sewage treatment process;
4th step, sewage are discharged after described a kind of sewage treatment process purifies;Immobilized microorganism ball is not provided with in the sedimentation basin in magnetic field around being flowed into after recycling a period of time in described a kind of sewage treatment process, is sunk to bottom sedimentation basin by the gravity of self, and enters in collection device.
Compared with prior art, the invention has the beneficial effects as follows: the immobilized microorganism ball used in described a kind of sewage treatment process and its method of operating 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, settleability is good;A diameter of 5 ~ 10mm of immobilized microorganism ball, 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, 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 diagram of the present invention;
Fig. 2 is the structural representation of anaerobic zone of the present invention;
Fig. 3 is the structural representation of aerobic zone of the present invention;
Fig. 4 is the structural representation of sedimentation basin of the present invention;
Fig. 5 is the structural representation of immobilized microorganism ball of the present invention.
In figure: 1, anaerobic zone, 2, anoxic zone a, 3, aerobic zone, 4, anoxic zone b, 5, sedimentation basin, 6, immobilized microorganism ball, 7, outlet pipe, 8, container, 9, water inlet pipe, 10, magnetic field generator, 11, aerator, 12, collection device, 13, magnetizing mediums, 14, 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:
Refer to Fig. 1-5, the present invention provides a kind of technical scheme: a kind of sewage treatment process, including anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4 and sedimentation basin 5, anaerobic zone 1 connects sewage water inlet pipe, sewage and immobilized microorganism ball 6 sequentially pass through anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4, discharging after eventually passing sedimentation basin 5 precipitation, immobilized microorganism ball 6 can be back to anoxic zone a2 by aerobic zone 3;
Anaerobic zone 1 includes outlet pipe 7, container 8, water inlet pipe 9 and magnetic field generator 10;Anoxic zone a2, aerobic zone 3 and anoxic zone b4 include outlet pipe 7, water inlet pipe 9, aerator 11 and magnetic field generator 10;Sedimentation basin 5 includes outlet pipe 7, water inlet pipe 9 and collection device 12;
Container 8 is used for containing immobilized microorganism ball 6;Aerator 11 is positioned at bottom anoxic zone a2, aerobic zone 3 and anoxic zone b4;Side bottom sedimentation basin 5 is provided with collection device 12, and collection device 12 is used for collecting immobilized microorganism ball 6;
Immobilized microorganism ball 6 includes magnetizing mediums 13 and activated sludge 14, a diameter of 5mm of immobilized microorganism ball 6, magnetizing mediums 13 is the metallic nickel after Passivation Treatment, a diameter of 1mm of magnetizing mediums 13, magnetizing mediums 13 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 14 is rich in microorganism;Activated sludge 14 is wrapped in magnetizing mediums 13, is formed spherical;Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process.
A kind of preparation of the immobilized microorganism ball 6 in sewage treatment process with reclaim be by will be enriched in the activated sludge 14 of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil;Again magnetizing mediums 13 is placed on plate, each circular hole is placed a magnetizing mediums 13;Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball 6 air-dried can be made up of masking foil with surface departs from;Immobilized microorganism ball 6 is used in a kind of sewage treatment process, and produces magnetic field by arranging magnetic field generator 10 around a kind of sewage treatment process, make immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process;Immobilized microorganism ball 6 is in long-time use, the activated sludge 14 on surface loses activity gradually, the immobilized microorganism ball 6 being not provided with in the sedimentation basin 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 6 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 13;Again the magnetizing mediums 13 being recovered to is sufficiently mixed with activated sludge 14 and again makes immobilized microorganism ball 6.
A kind of sewage treatment process, its method of operating is:
The first step, the aerator 11 opened in anoxic zone a2, aerobic zone 3, anoxic zone b4 and sedimentation basin 5;
Second step, the container 8 opened in anaerobic zone 1, make immobilized microorganism ball 6 be flowed in anaerobic zone 1;
3rd step, magnetic field generator 10 is opened, produce magnetic field, make immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process;
4th step, sewage are discharged after a kind of sewage treatment process purifies;Immobilized microorganism ball 6 is not provided with in the sedimentation basin 5 in magnetic field around being flowed into after recycling a period of time in a kind of sewage treatment process, is sunk to bottom sedimentation basin 5 by the gravity of self, and enters in collection device 12.
Embodiment 2:
Refer to Fig. 1-5, the present invention provides a kind of technical scheme: a kind of sewage treatment process, including anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4 and sedimentation basin 5, anaerobic zone 1 connects sewage water inlet pipe, sewage and immobilized microorganism ball 6 sequentially pass through anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4, discharging after eventually passing sedimentation basin 5 precipitation, immobilized microorganism ball 6 can be back to anoxic zone a2 by aerobic zone 3;
Anaerobic zone 1 includes outlet pipe 7, container 8, water inlet pipe 9 and magnetic field generator 10;Anoxic zone a2, aerobic zone 3 and anoxic zone b4 include outlet pipe 7, water inlet pipe 9, aerator 11 and magnetic field generator 10;Sedimentation basin 5 includes outlet pipe 7, water inlet pipe 9 and collection device 12;
Container 8 is used for containing immobilized microorganism ball 6;Aerator 11 is positioned at bottom anoxic zone a2, aerobic zone 3 and anoxic zone b4;Side bottom sedimentation basin 5 is provided with collection device 12, and collection device 12 is used for collecting immobilized microorganism ball 6;
Immobilized microorganism ball 6 includes magnetizing mediums 13 and activated sludge 14, a diameter of 10mm of immobilized microorganism ball 6, magnetizing mediums 13 is the metallic nickel after Passivation Treatment, a diameter of 3mm of magnetizing mediums 13, magnetizing mediums 13 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 14 is rich in microorganism;Activated sludge 14 is wrapped in magnetizing mediums 13, is formed spherical;Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process.
A kind of preparation of the immobilized microorganism ball 6 in sewage treatment process with reclaim be by will be enriched in the activated sludge 14 of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil;Again magnetizing mediums 13 is placed on plate, each circular hole is placed a magnetizing mediums 13;Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball 6 air-dried can be made up of masking foil with surface departs from;Immobilized microorganism ball 6 is used in a kind of sewage treatment process, and produces magnetic field by arranging magnetic field generator 10 around a kind of sewage treatment process, make immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process;Immobilized microorganism ball 6 is in long-time use, the activated sludge 14 on surface loses activity gradually, the immobilized microorganism ball 6 being not provided with in the sedimentation basin 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 6 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 13;Again the magnetizing mediums 13 being recovered to is sufficiently mixed with activated sludge 14 and again makes immobilized microorganism ball 6.
A kind of sewage treatment process, its method of operating is:
The first step, the aerator 11 opened in anoxic zone a2, aerobic zone 3, anoxic zone b4 and sedimentation basin 5;
Second step, the container 8 opened in anaerobic zone 1, make immobilized microorganism ball 6 be flowed in anaerobic zone 1;
3rd step, magnetic field generator 10 is opened, produce magnetic field, make immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process;
4th step, sewage are discharged after a kind of sewage treatment process purifies;Immobilized microorganism ball 6 is not provided with in the sedimentation basin 5 in magnetic field around being flowed into after recycling a period of time in a kind of sewage treatment process, is sunk to bottom sedimentation basin 5 by the gravity of self, and enters in collection device 12.
Embodiment 3:
Refer to Fig. 1-5, the present invention provides a kind of technical scheme: a kind of sewage treatment process, including anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4 and sedimentation basin 5, anaerobic zone 1 connects sewage water inlet pipe, sewage and immobilized microorganism ball 6 sequentially pass through anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4, discharging after eventually passing sedimentation basin 5 precipitation, immobilized microorganism ball 6 can be back to anoxic zone a2 by aerobic zone 3;
Anaerobic zone 1 includes outlet pipe 7, container 8, water inlet pipe 9 and magnetic field generator 10;Anoxic zone a2, aerobic zone 3 and anoxic zone b4 include outlet pipe 7, water inlet pipe 9, aerator 11 and magnetic field generator 10;Sedimentation basin 5 includes outlet pipe 7, water inlet pipe 9 and collection device 12;
Container 8 is used for containing immobilized microorganism ball 6;Aerator 11 is positioned at bottom anoxic zone a2, aerobic zone 3 and anoxic zone b4;Side bottom sedimentation basin 5 is provided with collection device 12, and collection device 12 is used for collecting immobilized microorganism ball 6;
Immobilized microorganism ball 6 includes magnetizing mediums 13 and activated sludge 14, a diameter of 8mm of immobilized microorganism ball 6, magnetizing mediums 13 is the metallic nickel after Passivation Treatment, a diameter of 2mm of magnetizing mediums 13, magnetizing mediums 13 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 14 is rich in microorganism;Activated sludge 14 is wrapped in magnetizing mediums 13, is formed spherical;Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process.
A kind of preparation of the immobilized microorganism ball 6 in sewage treatment process with reclaim be by will be enriched in the activated sludge 14 of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil;Again magnetizing mediums 13 is placed on plate, each circular hole is placed a magnetizing mediums 13;Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball 6 air-dried can be made up of masking foil with surface departs from;Immobilized microorganism ball 6 is used in a kind of sewage treatment process, and produces magnetic field by arranging magnetic field generator 10 around a kind of sewage treatment process, make immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process;Immobilized microorganism ball 6 is in long-time use, the activated sludge 14 on surface loses activity gradually, the immobilized microorganism ball 6 being not provided with in the sedimentation basin 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 6 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 13;Again the magnetizing mediums 13 being recovered to is sufficiently mixed with activated sludge 14 and again makes immobilized microorganism ball 6.
A kind of sewage treatment process, its method of operating is:
The first step, the aerator 11 opened in anoxic zone a2, aerobic zone 3, anoxic zone b4 and sedimentation basin 5;
Second step, the container 8 opened in anaerobic zone 1, make immobilized microorganism ball 6 be flowed in anaerobic zone 1;
3rd step, magnetic field generator 10 is opened, produce magnetic field, make immobilized microorganism ball 6 be in suspended state in a kind of sewage treatment process;
4th step, sewage are discharged after a kind of sewage treatment process purifies;Immobilized microorganism ball 6 is not provided with in the sedimentation basin 5 in magnetic field around being flowed into after recycling a period of time in a kind of sewage treatment process, is sunk to bottom sedimentation basin 5 by the gravity of self, and enters in collection device 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. a sewage treatment process, it is characterized in that: include anaerobic zone (1), anoxic zone a(2), aerobic zone (3), anoxic zone b(4) and sedimentation basin (5), described anaerobic zone (1) connects sewage water inlet pipe, sewage and immobilized microorganism ball (6) sequentially pass through anaerobic zone (1), anoxic zone a(2), aerobic zone (3), anoxic zone b(4), discharging after eventually passing sedimentation basin (5) precipitation, immobilized microorganism ball (6) can be back to anoxic zone a(2 by described aerobic zone (3));
Described anaerobic zone (1) includes outlet pipe (7), container (8), water inlet pipe (9) and magnetic field generator (10);Described anoxic zone a(2), aerobic zone (3) and anoxic zone b(4) include outlet pipe (7), water inlet pipe (9), aerator (11) and magnetic field generator (10);Described sedimentation basin (5) includes outlet pipe (7), water inlet pipe (9) and collection device (12);
Described container (8) is used for containing immobilized microorganism ball (6);Described aerator (11) is positioned at anoxic zone a(2), aerobic zone (3) and anoxic zone b(4) bottom;The side of described sedimentation basin (5) bottom is provided with collection device (12), and described collection device (12) is used for collecting immobilized microorganism ball (6);
Described immobilized microorganism ball (6) includes magnetizing mediums (13) and activated sludge (14), and described magnetizing mediums (13) is without magnetic, but can magnetize under the influence of a magnetic field, and described activated sludge (14) is rich in microorganism;Described activated sludge (14) is wrapped in magnetizing mediums (13), is formed spherical;Described magnetic field generator (10) produces magnetic field, and then makes immobilized microorganism ball (6) be in suspended state in described a kind of sewage treatment process.
A kind of sewage treatment process the most according to claim 1, it is characterised in that: the preparation of the immobilized microorganism ball (6) in described a kind of sewage treatment process with reclaim be by will be enriched in the activated sludge of microorganism (14) by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil;Again magnetizing mediums (13) is placed on plate, each circular hole is placed a magnetizing mediums (13);Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball (6) air-dried can be made up of masking foil with surface departs from;By immobilized microorganism ball (6) in described a kind of sewage treatment process, and by arranging magnetic field generator (10) generation magnetic field around described a kind of sewage treatment process, make immobilized microorganism ball (6) be in suspended state in described a kind of sewage treatment process;Immobilized microorganism ball (6) is in long-time use, the activated sludge (14) on surface loses activity gradually, the immobilized microorganism ball (6) being not provided with in the sedimentation basin (5) in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball (6) reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums (13);Again the magnetizing mediums (13) being recovered to and activated sludge (14) are sufficiently mixed and again make immobilized microorganism ball (6).
A kind of sewage treatment process the most according to claim 2, it is characterised in that: a diameter of 5 ~ 10mm of described immobilized microorganism ball (6).
A kind of sewage treatment process the most according to claim 1, it is characterised in that: described magnetizing mediums (13) is metallic nickel.
A kind of sewage treatment process the most according to claim 4, it is characterised in that: described metallic nickel is the metallic nickel after Passivation Treatment.
A kind of sewage treatment process the most according to claim 4, it is characterised in that: a diameter of 1 ~ 3mm of described magnetizing mediums (13).
A kind of sewage treatment process the most according to claim 1, its method of operating is:
The first step, open anoxic zone a(2), aerobic zone (3), anoxic zone b(4) and sedimentation basin (5) in aerator (11);
Second step, the container (8) opened in anaerobic zone (1), make immobilized microorganism ball (6) be flowed in anaerobic zone (1);
3rd step, magnetic field generator (10) is opened, produce magnetic field, make immobilized microorganism ball (6) be in suspended state in described a kind of sewage treatment process;
4th step, sewage are discharged after described a kind of sewage treatment process purifies;Immobilized microorganism ball (6) is not provided with in the sedimentation basin (5) in magnetic field around being flowed into after recycling a period of time in described a kind of sewage treatment process, sinks to sedimentation basin (5) bottom by the gravity of self, and enters in collection device (12).
CN201610564059.2A 2016-07-18 2016-07-18 Sewage treatment technology and operating method thereof Withdrawn CN105923941A (en)

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Citations (2)

* 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
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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* 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
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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