CN106045040A - Two-stage sewage treatment system and using method thereof - Google Patents

Two-stage sewage treatment system and using method thereof Download PDF

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Publication number
CN106045040A
CN106045040A CN201610561184.8A CN201610561184A CN106045040A CN 106045040 A CN106045040 A CN 106045040A CN 201610561184 A CN201610561184 A CN 201610561184A CN 106045040 A CN106045040 A CN 106045040A
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CN
China
Prior art keywords
immobilized microorganism
sedimentation tank
sewage disposal
disposal system
magnetic field
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Pending
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CN201610561184.8A
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Chinese (zh)
Inventor
杜小燕
汪浩
左雅健
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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 CN201610561184.8A priority Critical patent/CN106045040A/en
Publication of CN106045040A publication Critical patent/CN106045040A/en
Pending legal-status Critical Current

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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
    • C02F3/30Aerobic and anaerobic 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
    • 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
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/48Devices for applying magnetic or electric fields
    • 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

Abstract

The invention discloses a two-stage sewage treatment system and a using method thereof. The system comprises a water inlet, an aeration tank a, a sedimentation tank a, an aeration tank b, a sedimentation tank b and a water outlet. The using method comprises the following steps: firstly, sewage enters the two-stage sewage treatment system through the water inlet, then a container is opened to ensure that immobilized microorganism beads flow into the required sewage treatment system, and finally the immobilized microorganism beads are collected for remaking. According to the two-stage sewage treatment system and the using method thereof, the immobilized microorganism beads are adopted, so that the activity of microorganisms can be maintained, water can be purified, mud and water can be separated, and the sedimentation performance is high; proper diameters are selected for the immobilized microorganism beads; a magnetic field can work to make the immobilized microorganism beads in a suspended state and improve the activity of the microorganisms; the immobilized microorganism beads can be recycled, so that the microorganisms in the immobilized microorganism beads are kept in a high-activity state all the time.

Description

A kind of two-part sewage disposal system and using method thereof
Technical field
The present invention relates to sewage treatment area, be specially a kind of two-part sewage disposal system 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, totally On be a hydropenia country, the whole nation has the city of 70% to be in exsiccosis;China or a with serious pollution state of water simultaneously Family, 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 is by unprecedented concern.
Two-part sewage disposal system is divided into two sections, and first paragraph is adsorption section, act as main, simultaneously with biological treatment Incomplete oxidation reaction occurs, and second segment is biological oxidation panel, and two sections of respective separate reflowed are established one's own system.At two-part sewage Reason system has excellent pollutant removal, stronger capacity of resisting impact load, good Nitrogen/Phosphorus Removal.
The effect of detention tank is mainly mud-water separation, and the conventional method used is free sedimentation, flocculation sediment, collection Group's precipitation and compression precipitating, but the method for each precipitation has respective shortcoming, or the sedimentation time is oversize, or mud-water separation Not thorough, settleability is bad.
Summary of the invention
It is an object of the invention to provide a kind of two-part sewage disposal system and using method thereof, to solve above-mentioned background The problem proposed in technology.
For achieving the above object, the present invention provides following technical scheme: a kind of two-part sewage disposal system, including entering water Mouth, Aeration tank a, sedimentation tank a, Aeration tank b, sedimentation tank b and outlet;Described Aeration tank a and Aeration tank b includes water outlet Pipe, water inlet pipe, container, aerator and magnetic field generator;Described sedimentation tank a and sedimentation tank b includes outlet pipe, water inlet Pipe, magnetic field generator, return duct and collection device;
Described container is used for containing immobilized microorganism ball;Described sedimentation tank a and the bottom of sedimentation tank b are provided with collection dress Put, be used for collecting immobilized microorganism ball;Described sedimentation tank a and the bottom of sedimentation tank b are provided with return duct, are used for making a part Immobilized microorganism ball be back to Aeration tank a and Aeration tank b;
Described sewage sequentially passes through Aeration tank a, sedimentation tank a, Aeration tank b, sedimentation tank b and outlet from water inlet, described An immobilized microorganism ball part in sedimentation tank a is back to Aeration tank a, and another part is discharged;Consolidating in described sedimentation tank b Surely changing a microorganism ball part and be back to Aeration tank b, another part is discharged;
Described immobilized microorganism bag includes magnetizing mediums and activated sludge, described magnetizing mediums without magnetic, but can Magnetizing under the influence of a magnetic field, described activated sludge is rich in microorganism;Described activated sludge is wrapped in magnetizing mediums, shape Glomeration;Described magnetic field generator produces magnetic field, and then makes immobilized microorganism ball at described a kind of two-part sewage Reason system is in suspended state.
Preferably, the preparation of the described immobilized microorganism ball in a kind of two-part sewage disposal system is logical with recovery Cross the activated sludge that will be enriched in microorganism by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums, then mixture is passed through Mold Making become bead go forward side by side sector-style do;Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, inside contains The bead having magnetizing mediums does not contains the bead of magnetizing mediums and separates with inside, and the internal bead containing magnetizing mediums is the micro-life of immobilization Thing ball;Immobilized microorganism ball is used in described a kind of two-part sewage disposal system, and at described a kind of two-part By arranging magnetic field generator generation magnetic field around sewage disposal system, make immobilized microorganism ball at described a kind of two-part Sewage disposal system is in suspended state;Immobilized microorganism ball is in long-time use, and the activated sludge on surface loses gradually Deactivation, is flowed into and is around not provided with the weight by self of the immobilized microorganism ball in the sedimentation tank a and sedimentation tank b in magnetic field Power sinks to bottom and reclaims, and finally passes through to soak by the immobilized microorganism ball reclaimed, rolls, and centrifugal mode reclaims magnetic Medium;Again the magnetizing mediums being recovered to and activated sludge are sufficiently mixed and again make immobilized microorganism ball.
Preferably, a diameter of 15 ~ 18mm 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 3 ~ 5mm of described magnetizing mediums.
Described a kind of two-part sewage disposal system, its using method is:
The first step, open container, make immobilized microorganism ball be flowed in described a kind of two-part sewage disposal system;
Second step, aerator and magnetic field generator are opened, make that described a kind of two-part sewage disposal system is internal to be produced Magnetic field, and then make immobilized microorganism ball be in suspended state in described a kind of two-part sewage disposal system;
3rd step, open valve, make sewage be flowed into described a kind of two-part sewage disposal system from water inlet;
4th step, sewage are discharged after described a kind of two-part sewage disposal system precipitation;Immobilized microorganism ball is in institute It is flowed into after a kind of two-part sewage disposal system stated uses a period of time and is around not provided with the sedimentation tank a in magnetic field and sinks In the b of pond, shallow lake, sunk to bottom sedimentation tank a and sedimentation tank b by the gravity of self, and enter in collection device, part immobilization Microorganism ball is back to Aeration tank a and Aeration tank a by return duct.
Compared with prior art, the invention has the beneficial effects as follows: described a kind of two-part sewage disposal system and making Using immobilized mode can make Microorganism incubation with the immobilized microorganism ball used in method, this mode is not Being only capable of the activity maintaining microorganism, preferably purify water, and can preferably make mud-water separation, settleability is good;Gu Surely changing a diameter of 5 ~ 18mm of microorganism ball, the diameter of immobilized microorganism ball will need bigger magnetic field just because of too big Immobilized microorganism ball can be made to suspend, and sewage also will not be difficult to touch fixing because the diameter of immobilized microorganism ball is too big Changing the microorganism inside microorganism ball, immobilized microorganism ball also will not be difficult to because diameter is the least prepare and reclaim;Two, solid Surely changing microorganism bag and include magnetizing mediums and activated sludge, magnetizing mediums can make magnetizing mediums generation magnetic under the effect of externally-applied magnetic field Change, enable immobilized microorganism ball to be in suspended state under the influence of a magnetic field, thus may advantageously facilitate the circulation of microorganism And raising microbial activity, can preferably purify water;Also will not by the way of magnetic field controls immobilized microorganism ball Immobilized microorganism ball is made to be damaged;Three, immobilized microorganism ball can recycle, on the one hand due to immobilized microorganism Bacteria metabolism in ball and process sewage for a long time, causes the microorganism in immobilized microorganism ball the oldest Extremely, use the mode reclaimed periodically discharge and supplement immobilized microorganism ball, the microorganism in immobilized microorganism ball can be made All the time high activity state it is in;On the other hand in water, flocculence or floating microorganism can along with immobilized microorganism ball together Discharging, 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 Aeration tank a of the present invention;
Fig. 3 is the structural representation of sedimentation tank a of the present invention;
Fig. 4 is the structural representation of the immobilized microorganism ball of the present invention.
In figure: 1, water inlet, 2, Aeration tank a, 3, sedimentation tank a, 4, Aeration tank b, 5, sedimentation tank b, 6, outlet, 7, water outlet Pipe, 8, water inlet pipe, 9, container, 10, magnetic field generator, 11, return duct, 12, collection device, 13, immobilized microorganism ball, 14, Magnetizing mediums, 15, activated sludge, 16, aerator.
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 carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
Embodiment 1:
Referring to Fig. 1-4, the present invention provides a kind of technical scheme: a kind of two-part sewage disposal system, including water inlet 1, exposes Gas pond a2, sedimentation tank a3, Aeration tank b4, sedimentation tank b5 and outlet 6;Aeration tank a2 and Aeration tank b4 includes outlet pipe 7, enters Water pipe 8, container 9, aerator 16 and magnetic field generator 10;Sedimentation tank a3 and sedimentation tank b5 include outlet pipe 7, water inlet pipe 8, Magnetic field generator 10, return duct 11 and collection device 12;
Container 9 is used for containing immobilized microorganism ball 13;The bottom of sedimentation tank a3 and sedimentation tank b5 is provided with collection device 12, is used for Collect immobilized microorganism ball 13;The bottom of sedimentation tank a3 and sedimentation tank b5 is provided with return duct 11, for making the fixing of a part Change microorganism ball 13 and be back to Aeration tank a2 and Aeration tank b4;
Sewage sequentially passes through Aeration tank a2, sedimentation tank a3, Aeration tank b4, sedimentation tank b5 and outlet 6, sedimentation tank from water inlet 1 Immobilized microorganism ball 13 part in a3 is back to Aeration tank a2, and another part is discharged;Immobilization in sedimentation tank b5 is micro- Biological ball 13 part is back to Aeration tank b4, and another part is discharged;
Immobilized microorganism ball 13 includes magnetizing mediums 14 and activated sludge 15, a diameter of 15mm of immobilized microorganism ball 13, magnetic Medium 14 is the metallic nickel after Passivation Treatment, a diameter of 3mm of magnetizing mediums 14, and magnetizing mediums 14 is without magnetic, but energy Enough magnetizing under the influence of a magnetic field, activated sludge 15 is rich in microorganism;Activated sludge 15 is wrapped in magnetizing mediums 14, forms ball Shape;Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 13 be in a kind of two-part sewage disposal system Suspended state.
The preparation of the immobilized microorganism ball 13 in a kind of two-part sewage disposal system and recovery are micro-by will be enriched in Biological activated sludge 15 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 14, then mixture is passed through mould system Be made bead go forward side by side sector-style do;Bead after air-drying again is placed among magnetic field, under the active force in magnetic field, internal containing magnetic Jie The bead of matter 14 does not contains the bead of magnetizing mediums 14 and separates with inside, and the internal bead containing magnetizing mediums 14 is the micro-life of immobilization Thing ball 13;Immobilized microorganism ball 13 is used in a kind of two-part sewage disposal system, and in a kind of two-part sewage disposal Produce magnetic field by arranging magnetic field generator 10 around system, make immobilized microorganism ball 13 in a kind of two-part sewage disposal system System is in suspended state;Immobilized microorganism ball 13 is in long-time use, and the activated sludge 15 on surface loses activity gradually, It is flowed into and is around not provided with the gravity by self of the immobilized microorganism ball 13 in the sedimentation tank a3 and sedimentation tank b5 in magnetic field Sinking to bottom reclaim, finally pass through to soak by the immobilized microorganism ball 13 reclaimed, roll, centrifugal mode reclaims magnetic Medium 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 two-part sewage disposal system, its using method is:
The first step, open container 9, make immobilized microorganism ball 13 be flowed in a kind of two-part sewage disposal system;
Second step, aerator 16 and magnetic field generator 10 are opened, make that a kind of two-part sewage disposal system is internal produces magnetic , and then make immobilized microorganism ball 13 be in suspended state in a kind of two-part sewage disposal system;
3rd step, open valve, make sewage be flowed into a kind of two-part sewage disposal system from water inlet 1;
4th step, sewage are discharged after a kind of two-part sewage disposal system precipitation;Immobilized microorganism ball 13 is a kind of two It is flowed into after segmentation sewage disposal system uses a period of time and is around not provided with in the sedimentation tank a3 and sedimentation tank b5 in magnetic field, Sunk to bottom sedimentation tank a3 and sedimentation tank b5 by the gravity of self, and enter in collection device 12, the micro-life of part immobilization Thing ball 13 is back to Aeration tank a2 and Aeration tank a4 by return duct 11.
Embodiment 2:
Referring to Fig. 1-4, the present invention provides a kind of technical scheme: a kind of two-part sewage disposal system, including water inlet 1, exposes Gas pond a2, sedimentation tank a3, Aeration tank b4, sedimentation tank b5 and outlet 6;Aeration tank a2 and Aeration tank b4 includes outlet pipe 7, enters Water pipe 8, container 9, aerator 16 and magnetic field generator 10;Sedimentation tank a3 and sedimentation tank b5 include outlet pipe 7, water inlet pipe 8, Magnetic field generator 10, return duct 11 and collection device 12;
Container 9 is used for containing immobilized microorganism ball 13;The bottom of sedimentation tank a3 and sedimentation tank b5 is provided with collection device 12, is used for Collect immobilized microorganism ball 13;The bottom of sedimentation tank a3 and sedimentation tank b5 is provided with return duct 11, for making the fixing of a part Change microorganism ball 13 and be back to Aeration tank a2 and Aeration tank b4;
Sewage sequentially passes through Aeration tank a2, sedimentation tank a3, Aeration tank b4, sedimentation tank b5 and outlet 6, sedimentation tank from water inlet 1 Immobilized microorganism ball 13 part in a3 is back to Aeration tank a2, and another part is discharged;Immobilization in sedimentation tank b5 is micro- Biological ball 13 part is back to Aeration tank b4, and another part is discharged;
Immobilized microorganism ball 13 includes magnetizing mediums 14 and activated sludge 15, a diameter of 18mm of immobilized microorganism ball 13, magnetic Medium 14 is the metallic nickel after Passivation Treatment, a diameter of 5mm of magnetizing mediums 14, and magnetizing mediums 14 is without magnetic, but energy Enough magnetizing under the influence of a magnetic field, activated sludge 15 is rich in microorganism;Activated sludge 15 is wrapped in magnetizing mediums 14, forms ball Shape;Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 13 be in a kind of two-part sewage disposal system Suspended state.
The preparation of the immobilized microorganism ball 13 in a kind of two-part sewage disposal system and recovery are micro-by will be enriched in Biological activated sludge 15 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 14, then mixture is passed through mould system Be made bead go forward side by side sector-style do;Bead after air-drying again is placed among magnetic field, under the active force in magnetic field, internal containing magnetic Jie The bead of matter 14 does not contains the bead of magnetizing mediums 14 and separates with inside, and the internal bead containing magnetizing mediums 14 is the micro-life of immobilization Thing ball 13;Immobilized microorganism ball 13 is used in a kind of two-part sewage disposal system, and in a kind of two-part sewage disposal Produce magnetic field by arranging magnetic field generator 10 around system, make immobilized microorganism ball 13 in a kind of two-part sewage disposal system System is in suspended state;Immobilized microorganism ball 13 is in long-time use, and the activated sludge 15 on surface loses activity gradually, It is flowed into and is around not provided with the gravity by self of the immobilized microorganism ball 13 in the sedimentation tank a3 and sedimentation tank b5 in magnetic field Sinking to bottom reclaim, finally pass through to soak by the immobilized microorganism ball 13 reclaimed, roll, centrifugal mode reclaims magnetic Medium 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 two-part sewage disposal system, its using method is:
The first step, open container 9, make immobilized microorganism ball 13 be flowed in a kind of two-part sewage disposal system;
Second step, aerator 16 and magnetic field generator 10 are opened, make that a kind of two-part sewage disposal system is internal produces magnetic , and then make immobilized microorganism ball 13 be in suspended state in a kind of two-part sewage disposal system;
3rd step, open valve, make sewage be flowed into a kind of two-part sewage disposal system from water inlet 1;
4th step, sewage are discharged after a kind of two-part sewage disposal system precipitation;Immobilized microorganism ball 13 is a kind of two It is flowed into after segmentation sewage disposal system uses a period of time and is around not provided with in the sedimentation tank a3 and sedimentation tank b5 in magnetic field, Sunk to bottom sedimentation tank a3 and sedimentation tank b5 by the gravity of self, and enter in collection device 12, the micro-life of part immobilization Thing ball 13 is back to Aeration tank a2 and Aeration tank a4 by return duct 11.
Embodiment 3:
Referring to Fig. 1-4, the present invention provides a kind of technical scheme: a kind of two-part sewage disposal system, including water inlet 1, exposes Gas pond a2, sedimentation tank a3, Aeration tank b4, sedimentation tank b5 and outlet 6;Aeration tank a2 and Aeration tank b4 includes outlet pipe 7, enters Water pipe 8, container 9, aerator 16 and magnetic field generator 10;Sedimentation tank a3 and sedimentation tank b5 include outlet pipe 7, water inlet pipe 8, Magnetic field generator 10, return duct 11 and collection device 12;
Container 9 is used for containing immobilized microorganism ball 13;The bottom of sedimentation tank a3 and sedimentation tank b5 is provided with collection device 12, is used for Collect immobilized microorganism ball 13;The bottom of sedimentation tank a3 and sedimentation tank b5 is provided with return duct 11, for making the fixing of a part Change microorganism ball 13 and be back to Aeration tank a2 and Aeration tank b4;
Sewage sequentially passes through Aeration tank a2, sedimentation tank a3, Aeration tank b4, sedimentation tank b5 and outlet 6, sedimentation tank from water inlet 1 Immobilized microorganism ball 13 part in a3 is back to Aeration tank a2, and another part is discharged;Immobilization in sedimentation tank b5 is micro- Biological ball 13 part is back to Aeration tank b4, and another part is discharged;
Immobilized microorganism ball 13 includes magnetizing mediums 14 and activated sludge 15, a diameter of 16mm of immobilized microorganism ball 13, magnetic Medium 14 is the metallic nickel after Passivation Treatment, a diameter of 4mm of magnetizing mediums 14, and magnetizing mediums 14 is without magnetic, but energy Enough magnetizing under the influence of a magnetic field, activated sludge 15 is rich in microorganism;Activated sludge 15 is wrapped in magnetizing mediums 14, forms ball Shape;Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 13 be in a kind of two-part sewage disposal system Suspended state.
The preparation of the immobilized microorganism ball 13 in a kind of two-part sewage disposal system and recovery are micro-by will be enriched in Biological activated sludge 15 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 14, then mixture is passed through mould system Be made bead go forward side by side sector-style do;Bead after air-drying again is placed among magnetic field, under the active force in magnetic field, internal containing magnetic Jie The bead of matter 14 does not contains the bead of magnetizing mediums 14 and separates with inside, and the internal bead containing magnetizing mediums 14 is the micro-life of immobilization Thing ball 13;Immobilized microorganism ball 13 is used in a kind of two-part sewage disposal system, and in a kind of two-part sewage disposal Produce magnetic field by arranging magnetic field generator 10 around system, make immobilized microorganism ball 13 in a kind of two-part sewage disposal system System is in suspended state;Immobilized microorganism ball 13 is in long-time use, and the activated sludge 15 on surface loses activity gradually, It is flowed into and is around not provided with the gravity by self of the immobilized microorganism ball 13 in the sedimentation tank a3 and sedimentation tank b5 in magnetic field Sinking to bottom reclaim, finally pass through to soak by the immobilized microorganism ball 13 reclaimed, roll, centrifugal mode reclaims magnetic Medium 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 two-part sewage disposal system, its using method is:
The first step, open container 9, make immobilized microorganism ball 13 be flowed in a kind of two-part sewage disposal system;
Second step, aerator 16 and magnetic field generator 10 are opened, make that a kind of two-part sewage disposal system is internal produces magnetic , and then make immobilized microorganism ball 13 be in suspended state in a kind of two-part sewage disposal system;
3rd step, open valve, make sewage be flowed into a kind of two-part sewage disposal system from water inlet 1;
4th step, sewage are discharged after a kind of two-part sewage disposal system precipitation;Immobilized microorganism ball 13 is a kind of two It is flowed into after segmentation sewage disposal system uses a period of time and is around not provided with in the sedimentation tank a3 and sedimentation tank b5 in magnetic field, Sunk to bottom sedimentation tank a3 and sedimentation tank b5 by the gravity of self, and enter in collection device 12, the micro-life of part immobilization Thing ball 13 is back to Aeration tank a2 and Aeration tank a4 by return duct 11.
The above, the only 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 in the technical scope that the invention discloses, according to technical scheme and In addition equivalent or change are conceived in improvement, all should contain within the scope of the present invention.

Claims (7)

1. a two-part sewage disposal system, it is characterised in that: include water inlet (1), Aeration tank a(2), sedimentation tank a(3), Aeration tank b(4), sedimentation tank b(5) and outlet (6);Described Aeration tank a(2) and Aeration tank b(4) include outlet pipe (7), Water inlet pipe (8), container (9), aerator (16) and magnetic field generator (10);Described sedimentation tank a(3) and sedimentation tank b(5) in Including outlet pipe (7), water inlet pipe (8), magnetic field generator (10), return duct (11) and collection device (12);
Described container (9) is used for containing immobilized microorganism ball (13);Described sedimentation tank a(3) and sedimentation tank b(5) the end Portion is provided with collection device (12), is used for collecting immobilized microorganism ball (13);Described sedimentation tank a(3) and sedimentation tank b(5) Bottom is provided with return duct (11), for making the immobilized microorganism ball (13) of a part be back to Aeration tank a(2) and Aeration tank b (4);
Described sewage sequentially passes through Aeration tank a(2 from water inlet (1)), sedimentation tank a(3), Aeration tank b(4), sedimentation tank b(5) With outlet (6), described sedimentation tank a(3) in immobilized microorganism ball (13) part be back to Aeration tank a(2), another Part is discharged;Described sedimentation tank b(5) in immobilized microorganism ball (13) part be back to Aeration tank b(4), another portion Divide and discharge;
Described immobilized microorganism ball (13) includes magnetizing mediums (14) and activated sludge (15), described magnetizing mediums (14) without Being magnetic, but can magnetize under the influence of a magnetic field, described activated sludge (15) is rich in microorganism;Described activity Mud (15) is wrapped in magnetizing mediums (14), is formed spherical;Described magnetic field generator (10) produces magnetic field, and then makes immobilization micro- Biological ball (13) is in suspended state in described a kind of two-part sewage disposal system.
A kind of two-part sewage disposal system the most according to claim 1, it is characterised in that: described a kind of two-part is dirty The preparation of the immobilized microorganism ball (13) in water treatment system is by will be enriched in the activated sludge of microorganism (15) with recovery By solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums (14), then mixture is become bead by Mold Making and carries out Air-dry;Bead after air-drying again is placed among magnetic field, under the active force in magnetic field, the internal bead containing magnetizing mediums (14) with Inside does not contains the bead of magnetizing mediums (14) and separates, and the internal bead containing magnetizing mediums (14) is immobilized microorganism ball (13);By immobilized microorganism ball (13) in described a kind of two-part sewage disposal system, and in described one two By arranging magnetic field generator (10) generation magnetic field around segmentation sewage disposal system, make immobilized microorganism ball (13) described A kind of two-part sewage disposal system in be in suspended state;Immobilized microorganism ball (13) in long-time use, surface Activated sludge (15) gradually lose activity, be flowed into the sedimentation tank a(3 being around not provided with magnetic field) and sedimentation tank b(5) in Immobilized microorganism ball (13) sinks to bottom by the gravity of self and reclaims, the immobilized microorganism ball that finally will reclaim (13) by soaking, rolling, centrifugal mode reclaims magnetizing mediums (14);Again by the magnetizing mediums (14) being recovered to and activated sludge (15) it is sufficiently mixed and again makes immobilized microorganism ball (13).
A kind of two-part sewage disposal system the most according to claim 2, it is characterised in that: described immobilized microorganism A diameter of 15 ~ 18mm of ball (13).
A kind of two-part sewage disposal system the most according to claim 1, it is characterised in that: described magnetizing mediums (14) is Metallic nickel.
A kind of two-part sewage disposal system the most according to claim 4, it is characterised in that: described metallic nickel is for passing through Metallic nickel after Passivation Treatment.
A kind of two-part sewage disposal system the most according to claim 4, it is characterised in that: described magnetizing mediums (14) A diameter of 3 ~ 5mm.
A kind of two-part sewage disposal system the most according to claim 1, its using method is:
The first step, open container (9), make immobilized microorganism ball (13) be flowed into described a kind of two-part sewage disposal system In;
Second step, open aerator (16) and magnetic field generator (10) is opened, make described a kind of two-part sewage disposal system System is internal produces magnetic field, and then it is outstanding to make immobilized microorganism ball (13) be in described a kind of two-part sewage disposal system Floating state;
3rd step, open valve, make sewage be flowed into described a kind of two-part sewage disposal system from water inlet (1);
4th step, sewage are discharged after described a kind of two-part sewage disposal system precipitation;Immobilized microorganism ball (13) The sedimentation tank a in magnetic field it is not provided with around being flowed into after using a period of time in described a kind of two-part sewage disposal system (3) and sedimentation tank b(5) in, sink to sedimentation tank a(3 by the gravity of self) and sedimentation tank b(5) bottom, and enter collection dress Putting in (12), part immobilized microorganism ball (13) is back to Aeration tank a(2 by return duct (11)) and Aeration tank a(4).
CN201610561184.8A 2016-07-18 2016-07-18 Two-stage sewage treatment system and using method thereof Pending CN106045040A (en)

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