CN106186327A - Waste water pollutant-removing system and using method - Google Patents

Waste water pollutant-removing system and using method Download PDF

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Publication number
CN106186327A
CN106186327A CN201610751605.3A CN201610751605A CN106186327A CN 106186327 A CN106186327 A CN 106186327A CN 201610751605 A CN201610751605 A CN 201610751605A CN 106186327 A CN106186327 A CN 106186327A
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China
Prior art keywords
waste water
magnetic
immobilized microorganism
microorganism ball
film
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CN201610751605.3A
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Chinese (zh)
Inventor
张庆涛
崔晓辉
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Ningguo Drainage Water Purification Equipment Co Ltd
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Ningguo Drainage Water Purification Equipment Co Ltd
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Priority to CN201610751605.3A priority Critical patent/CN106186327A/en
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Abstract

The invention discloses waste water pollutant-removing system and using method, including water inlet, anaerobic pond, anoxic pond, Aerobic Pond, membrane cisterna and outlet;It is first turned on container, makes in immobilized microorganism ball inflow system, then the immobilized microorganism ball using time length is collected, again makes, regulate the compression of membrane module indirect and the cycle recovered and size further according to the water flow velocity in membrane cisterna;Immobilized microorganism ball used in waste water pollutant-removing system and using method can maintain the activity of microorganism, reduces fouling membrane;The effect in magnetic field can make immobilized microorganism ball be in suspended state, additionally it is possible to improves microbial activity;Immobilized microorganism ball can recycle, so that the microorganism in immobilized microorganism ball is in high activity state all the time, during the compression of membrane module indirect and recovering, make mud be difficult to be attached to film surface, and the mud having attached to membrane module surface can be removed.

Description

Waste water pollutant-removing system and using method
Technical field
The present invention relates to field of waste water treatment, specially waste water pollutant-removing system and using method.
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 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, pass through Interior circulation can be by the mixed-liquor return of anoxic pond to anaerobic pond, and the part immobilized microorganism ball in anaerobic pond is to be returned by membrane cisterna Flow through;Being mainly used in denitrogenation in anoxic pond, nitrate nitrogen is back to anoxic pond by interior circulation by Aerobic Pond;Aerobic Pond is used for Remove BOD, ammonia and nitrogen organic and nitrification and absorption phosphorus in water, Organic substance in water is decomposed into inorganic matter;Membrane cisterna is used for purifying Water, the water after membrane cisterna purifies can be expelled directly out.
In sewage treatment area, film plays the biggest effect, how to improve the filter efficiency of film, and film purifies sewage It is all to need to consider with urgently to be resolved hurrily that the of long duration mud occurred is attached to the solution on film surface, and that commonly uses uses high pressure Gas or current impact inside film, and the harm causing film is relatively big, use different cycles to make electricity with the alternating current of size Magnet produces intermittent magnetic, can more efficiently make mud be difficult to be attached to film surface, and can remove the most attached In the mud on film surface.
Summary of the invention
It is an object of the invention to provide waste water pollutant-removing system and using method, to solve proposition in above-mentioned background technology Problem.
For achieving the above object, the present invention provides following technical scheme: waste water pollutant-removing system, including water inlet, anaerobic pond, Anoxic pond, Aerobic Pond, membrane cisterna and outlet;Waste water enters from water inlet, passes sequentially through anaerobic pond, anoxic pond, Aerobic Pond, film Pond, finally discharges from outlet, and the described mixed liquor in Aerobic Pond can be back to anoxic pond, the mixed liquor energy in anoxic pond Enough being back to anaerobic pond, the immobilized microorganism ball part in described membrane cisterna is back to anaerobic 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 are wrapped Include water pipe, water inlet pipe, magnetic field generator, return duct and aerator;Described membrane cisterna includes outlet pipe, water inlet pipe, returns Flow tube, 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 admittedly Surely microorganism ball is changed;The bottom of described membrane cisterna connects back to flow tube, for being back to detest by the immobilized microorganism ball of a part In oxygen pond;
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 locate in described waste water pollutant-removing system In suspended state;
Described membrane module includes that membrane body, top cover, base and spring, described described membrane body include water-supply-pipe, water outlet Mouth and film, be provided with electric magnet and Flow speed measurer in described top cover, described electric magnet is hollow ring structure, and centre is worn Crossing water-supply-pipe, described electric magnet connects wire, and wire connects alternating-current power supply, so that electric magnet produces intermittent magnetic Property, attracting to be positioned at the magnetizing mediums of base, described magnetizing mediums can be attracted by electric magnet;Described Flow speed measurer is used for measuring Sewage flow rate of water flow;
Described spring is positioned at film, the surrounding of water-supply-pipe, and described spring connects top cover and base, the described electricity in top cover The attraction of Magnet indirect is positioned at the magnetizing mediums of base, compression spring during attracting, and makes film also produce indirect Compression, during the intermittent compression of film and restoring to the original state, makes mud be difficult to be attached to film surface, and can remove Have attached to the mud on film surface;
By, in the case of different flow rate of water flow with alternating voltage, detecting the scavenging effect of the alternating current of different cycles, draw As drawn a conclusion:
One, when flow rate of water flow is 0 ~ 0.5m/s, and electric current is definite value, when ac period is 900s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 600s;
Two, when flow rate of water flow is 0.5 ~ 1.0m/s, and electric current is definite value, when ac period is 600s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 900s;
Three, when flow rate of water flow is 1.0 ~ 1.5m/s, and electric current is definite value, when ac period is 300s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 600s and 900s;
Four, when electric current is 0 ~ 250mA, and flow rate of water flow is definite value, when ac period is 300s, scavenging effect is better than alternating current Cycle is scavenging effect during 600s and 900s;
Five, when electric current is 250 ~ 600mA, and flow rate of water flow is definite value, when ac period is 600s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 900s;
Six, when electric current is 600 ~ 1000mA, and flow rate of water flow is definite value, when ac period is 900s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 600s.
Preferably, the preparation of the described immobilized microorganism ball in waste water pollutant-removing system and recovery are micro-by will be enriched in Biological activated sludge is dissolved into by solvent and thick is sufficiently mixed with magnetizing mediums afterwards, then is become by Mold Making by mixture 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 is containing magnetizing mediums Bead does not contains the bead of magnetizing mediums and separates with inside, and the internal bead containing magnetizing mediums is immobilized microorganism ball;Will be solid Surely change microorganism ball in described waste water pollutant-removing system, and send out by arranging magnetic field around described waste water pollutant-removing system Raw device produces magnetic field, makes immobilized microorganism ball be in suspended state in described waste water pollutant-removing system;Immobilized microorganism Ball is in long-time use, and the activated sludge on surface loses activity gradually, is flowed into and is around not provided with in the membrane cisterna in magnetic field Immobilized microorganism ball sinks to bottom by the gravity of self and reclaims, and is finally passed through by the immobilized microorganism ball of recovery Soaking, roll, centrifugal mode reclaims magnetizing mediums;Again the magnetizing mediums being recovered to and activated sludge are sufficiently mixed and again make admittedly Surely microorganism ball is changed.
Preferably, a diameter of 1 ~ 11mm 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.
Described waste water pollutant-removing system, its using method is:
The first step, open container, make immobilized microorganism ball be flowed in described waste water pollutant-removing system;
Second step, open magnetic field generator and aerator, make the internal magnetic field that produces of described waste water pollutant-removing system, and then make solid Surely change microorganism ball and be in suspended state in described waste water pollutant-removing system;
3rd step, the outlet pipe in membrane cisterna is connected the outlet of upper water-supply-pipe one end;
4th step, opening conduits valve, waste water is flowed into described waste water pollutant-removing system from water inlet;
5th step, being positioned in membrane cisterna by described membrane module, the flow velocity tachymeter being positioned at top cover is capable of detecting when water flow velocity Degree;
6th step, the wire connected by electric magnet connect upper alternating current power supply, and are capable of detecting when water flow velocity by flow velocity tachymeter Degree size, in conjunction with cycle and the size of formula regulation alternating current, makes electric magnet under the effect of alternating current, produces intermittent magnetic Property, attract magnetizing mediums, compression spring during attracting, make film also produce the compression of indirect, by the intermittent pressure of film During contracting and reinstatement, make mud be difficult to be attached to film surface, and the dirt having attached to film surface can be removed Mud;
7th step, waste water are discharged after the membrane cisterna in described waste water pollutant-removing system filters;Immobilized microorganism ball is described Waste water pollutant-removing system in use to be flowed into after a period of time and be around not provided with in the membrane cisterna in magnetic field, by under the gravity of self Sinking to bottom membrane cisterna, and enter in collection device, part immobilized microorganism ball is back in anaerobic pond by return duct.
Compared with prior art, the invention has the beneficial effects as follows: described waste water pollutant-removing system and using method are used Immobilized microorganism ball use immobilized mode Microorganism incubation, this mode can be made can not only to maintain micro- Biological activity, preferably purifies water, and can preferably make mud-water separation;Immobilized microorganism ball a diameter of 1 ~ 11mm, will not block fenestra, and can reduce fouling membrane, and the diameter of immobilized microorganism ball will not need relatively because of too big Big magnetic field just can make immobilized microorganism ball suspend, and waste water also will not be difficult to because the diameter of immobilized microorganism ball is too big Touch the microorganism inside immobilized microorganism ball, immobilized microorganism ball also will not be difficult to because diameter is the least preparation and Reclaim;Two, immobilized microorganism bag includes magnetizing mediums and activated sludge, and magnetizing mediums can make magnetic be situated between under the effect of externally-applied magnetic field Matter magnetizes, and enables immobilized microorganism ball to be in suspended state under the influence of a magnetic field, thus may advantageously facilitate micro-life The circulation of thing and raising microbial activity, can preferably purify water;The side of immobilized microorganism ball is controlled by magnetic field Formula also will not make immobilized microorganism ball be damaged;Three, immobilized microorganism ball can recycle, on the one hand due to fixing Change the bacteria metabolism in microorganism ball and process waste water for a long time, causing the microorganism in immobilized microorganism ball Slowly old dead, use the mode reclaimed periodically discharge and supplement immobilized microorganism ball, can make in immobilized microorganism ball Microorganism is in high activity state all the time;On the other hand in water, flocculence or floating microorganism can be along with immobilized microorganisms Ball is discharged together, is possible to prevent microorganism to block fenestra, and the microorganism of discharge is also used as preparing immobilized microorganism ball Raw material;Four, described membrane module is by being internally provided with electric magnet at top cover, and chassis interior is provided with magnetizing mediums, top cover with Be provided with spring between base, according to different sewage water flow velocities electric magnet passed to scavenging effect preferably ac period with Size makes membrane module produce intermittent contraction, and then makes mud be difficult to be attached to film surface, and can remove and adhere to In the mud on membrane module surface, simple to operate, effect is obvious.
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;
The structural representation of Fig. 6 position inventive film assembly;
Fig. 7 is schematic diagram under working condition of the present invention;
Fig. 8 is the top view of the present invention.
In figure: 1, water inlet, 2, anaerobic pond, 3, anoxic pond, 4, Aerobic Pond, 5, membrane cisterna, 6, outlet, 7, the micro-life of immobilization Thing ball, 8, outlet pipe, 9, water inlet pipe, 10, container, 11, magnetic field generator, 12, return duct, 13, aerator, 14, collect dress Put, 15, magnetizing mediums, 16, activated sludge, 17, membrane module, 18, membrane body, 19, water-supply-pipe, 20, outlet, 21, film, 22, top Lid, 23, electric magnet, 24, Flow speed measurer, 25, base, 26, magnetizing mediums, 27, spring.
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. 1-8, the present invention provides a kind of technical scheme: waste water pollutant-removing system, including water inlet 1, anaerobic pond 2, anoxia 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 discharges from outlet 6, and the mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, the 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 anaerobic pond 2, 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 include 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 immobilization micro- Biological ball 7;The bottom of membrane cisterna 5 connects back to flow tube 12, for being back in anaerobic pond 2 by the immobilized microorganism ball 7 of a part;
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 1mm 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 without magnetic, but can Magnetizing under the influence of a magnetic field, activated sludge 16 is rich in microorganism;Activated sludge 16 is wrapped in magnetizing mediums 15, forms ball Shape;Magnetic field generator 11 produces magnetic field, and then makes immobilized microorganism ball 7 be in suspended state in waste water pollutant-removing system;
Membrane module 17 includes membrane body 18, top cover 22, base 25 and spring 27, and membrane body 17 includes water-supply-pipe 19, outlet 20 With film 21, being provided with electric magnet 23 and Flow speed measurer 24 in top cover 22, electric magnet 23 is hollow ring structure, middle through defeated Water pipe 19, electric magnet 23 connects wire, and wire connects alternating-current power supply, so that electric magnet 23 produces intermittent magnetic, inhales Drawing the magnetizing mediums 26 being positioned at base 25, magnetizing mediums 26 can be attracted by electric magnet 23;Flow speed measurer 24 is used for measuring sewage water Stream flow velocity;
Spring 27 is positioned at film 21, the surrounding of water-supply-pipe 19, and spring 27 connects top cover 22 and base 25, the electric magnet in top cover 22 The attraction of 23 indirect is positioned at the magnetizing mediums 26 of base 25, and compression spring 27 during attracting, between making film 21 also produce The compression of connecing property, during the intermittent compression of film 21 and restoring to the original state, makes mud be difficult to be attached to film 21 surface, and And the mud having attached to film 21 surface can be removed;
By being 500 mA at alternating current, the scavenging effect of membrane module in the case of flow rate of water flow difference, draw and test number as follows According to, wherein matched group is the membrane module not containing the technology of the present invention:
By being 0.7 m/s at flow rate of water flow, the scavenging effect of membrane module in the case of alternating current difference, draw and test number as follows According to, wherein matched group is the membrane module not containing the technology of the present invention:
By above table, it is concluded that
One, when flow rate of water flow is 0 ~ 0.5m/s, and electric current is definite value, when ac period is 900s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 600s;
Two, when flow rate of water flow is 0.5 ~ 1.0m/s, and electric current is definite value, when ac period is 600s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 900s;
Three, when flow rate of water flow is 1.0 ~ 1.5m/s, and electric current is definite value, when ac period is 300s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 600s and 900s;
Four, when electric current is 0 ~ 250mA, and flow rate of water flow is definite value, when ac period is 300s, scavenging effect is better than alternating current Cycle is scavenging effect during 600s and 900s;
Five, when electric current is 250 ~ 600mA, and flow rate of water flow is definite value, when ac period is 600s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 900s;
Six, when electric current is 600 ~ 1000mA, and flow rate of water flow is definite value, when ac period is 900s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 600s.
Although above-mentioned conclusion is to be 500 mA at alternating current, flow rate of water flow is to draw in the case of 0.7 m/s, but right Other size of current or other flow rate of water flow are equally applicable;Although the size increasing alternating current can with the cycle reducing alternating current Strengthen scavenging effect, but the scavenging effect brought for size or the cycle of reduction alternating current of increase alternating current increases journey Spend unconspicuous in the case of, then it is assumed that the alternating current size after increase with increase after alternating current size be not optimal;Table Outlet pressure in lattice is the biggest, there is shown nozzle blockage is serious, and outlet pressure is the least, there is shown nozzle blockage is the most serious.
The preparation of the immobilized microorganism ball 7 in waste water pollutant-removing system and recovery are dirty by will be enriched in the activity of microorganism Mud 16 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 15, then become bead to go forward side by side by Mold Making in mixture Sector-style is done;Bead after air-drying again is placed among magnetic field, under the active force in magnetic field, the internal bead containing magnetizing mediums 15 with Inside does not contains the bead of magnetizing mediums 15 and separates, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7;Will be fixing Change microorganism ball 7 in waste water pollutant-removing system, and produce magnetic by arranging magnetic field generator 11 around waste water pollutant-removing system , make immobilized microorganism ball 7 be in suspended state in waste water pollutant-removing system;Immobilized microorganism ball 7 uses long-time In, the activated sludge 16 on surface loses activity gradually, is flowed into and is around not provided with the immobilized microorganism in the membrane cisterna 5 in magnetic field Ball 7 sinks to bottom by the gravity of self and reclaims, and finally passes through to soak by the immobilized microorganism ball 7 reclaimed, rolls, Centrifugal mode reclaims magnetizing mediums 15;Again the magnetizing mediums 15 being recovered to is sufficiently mixed with activated sludge 16 and again makes immobilization Microorganism ball 7.
Waste water pollutant-removing system, its using method is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in waste water pollutant-removing system;
Second step, open magnetic field generator 11 and aerator 13, make that waste water pollutant-removing system is internal produces magnetic field, and then make to fix Change microorganism ball 7 and be in suspended state in waste water pollutant-removing system;
3rd step, the outlet pipe 8 in membrane cisterna 5 is connected the outlet 20 of upper water-supply-pipe 19 one end;
4th step, opening conduits valve, waste water is flowed into waste water pollutant-removing system from water inlet 1;
5th step, being positioned in membrane cisterna 5 by membrane module 17, the flow velocity tachymeter 24 being positioned at top cover 22 is capable of detecting when water flow velocity Degree is 0.3m/s;
6th step, the wire connected by electric magnet 23 connect upper alternating current power supply, and are capable of detecting when water by flow velocity tachymeter 24 Flow Velocity size, the cycle in conjunction with formula regulation alternating current is 900s, and alternating current size I=650mA makes electric magnet 23 in exchange Under the effect of electricity, produce intermittent magnetic, attract magnetizing mediums 26, compression spring 27 during attracting, make film 21 also produce The compression of raw indirect, during the intermittent compression of film 21 and restoring to the original state, makes mud be difficult to be attached to film 21 table Face, and the mud having attached to film 21 surface can be removed;
7th step, waste water are discharged after the membrane cisterna 5 in waste water pollutant-removing system filters;Immobilized microorganism ball 7 is in waste water scrubbing It is flowed into after system uses a period of time and is around not provided with in the membrane cisterna 5 in magnetic field, sink to membrane cisterna 5 by the gravity of self Bottom, and enter in collection device 14, part immobilized microorganism ball is back in anaerobic pond 2 by return duct 12.
Embodiment 2:
Referring to Fig. 1-8, the present invention provides a kind of technical scheme: waste water pollutant-removing system, including water inlet 1, anaerobic pond 2, anoxia 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 discharges from outlet 6, and the mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, the 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 anaerobic pond 2, 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 include 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 immobilization micro- Biological ball 7;The bottom of membrane cisterna 5 connects back to flow tube 12, for being back in anaerobic pond 2 by the immobilized microorganism ball 7 of a part;
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 11mm of immobilized microorganism ball 7, and magnetic is situated between Matter 15 is the metallic nickel after Passivation Treatment, a diameter of 1mm of magnetizing mediums 15, magnetizing mediums 15 without magnetic, but can Magnetizing under the influence of a magnetic field, activated sludge 16 is rich in microorganism;Activated sludge 16 is wrapped in magnetizing mediums 15, forms ball Shape;Magnetic field generator 11 produces magnetic field, and then makes immobilized microorganism ball 7 be in suspended state in waste water pollutant-removing system;
Membrane module 17 includes membrane body 18, top cover 22, base 25 and spring 27, and membrane body 17 includes water-supply-pipe 19, outlet 20 With film 21, being provided with electric magnet 23 and Flow speed measurer 24 in top cover 22, electric magnet 23 is hollow ring structure, middle through defeated Water pipe 19, electric magnet 23 connects wire, and wire connects alternating-current power supply, so that electric magnet 23 produces intermittent magnetic, inhales Drawing the magnetizing mediums 26 being positioned at base 25, magnetizing mediums 26 can be attracted by electric magnet 23;Flow speed measurer 24 is used for measuring sewage water Stream flow velocity;
Spring 27 is positioned at film 21, the surrounding of water-supply-pipe 19, and spring 27 connects top cover 22 and base 25, the electric magnet in top cover 22 The attraction of 23 indirect is positioned at the magnetizing mediums 26 of base 25, and compression spring 27 during attracting, between making film 21 also produce The compression of connecing property, during the intermittent compression of film 21 and restoring to the original state, makes mud be difficult to be attached to film 21 surface, and And the mud having attached to film 21 surface can be removed;
By being 500 mA at alternating current, the scavenging effect of membrane module in the case of flow rate of water flow difference, draw and test number as follows According to, wherein matched group is the membrane module not containing the technology of the present invention:
By being 0.7 m/s at flow rate of water flow, the scavenging effect of membrane module in the case of alternating current difference, draw and test number as follows According to, wherein matched group is the membrane module not containing the technology of the present invention:
By above table, it is concluded that
One, when flow rate of water flow is 0 ~ 0.5m/s, and electric current is definite value, when ac period is 900s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 600s;
Two, when flow rate of water flow is 0.5 ~ 1.0m/s, and electric current is definite value, when ac period is 600s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 900s;
Three, when flow rate of water flow is 1.0 ~ 1.5m/s, and electric current is definite value, when ac period is 300s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 600s and 900s;
Four, when electric current is 0 ~ 250mA, and flow rate of water flow is definite value, when ac period is 300s, scavenging effect is better than alternating current Cycle is scavenging effect during 600s and 900s;
Five, when electric current is 250 ~ 600mA, and flow rate of water flow is definite value, when ac period is 600s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 900s;
Six, when electric current is 600 ~ 1000mA, and flow rate of water flow is definite value, when ac period is 900s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 600s.
Although above-mentioned conclusion is to be 500 mA at alternating current, flow rate of water flow is to draw in the case of 0.7 m/s, but right Other size of current or other flow rate of water flow are equally applicable;Although the size increasing alternating current can with the cycle reducing alternating current Strengthen scavenging effect, but the scavenging effect brought for size or the cycle of reduction alternating current of increase alternating current increases journey Spend unconspicuous in the case of, then it is assumed that the alternating current size after increase with increase after alternating current size be not optimal;Table Outlet pressure in lattice is the biggest, there is shown nozzle blockage is serious, and outlet pressure is the least, there is shown nozzle blockage is the most serious.
The preparation of the immobilized microorganism ball 7 in waste water pollutant-removing system and recovery are dirty by will be enriched in the activity of microorganism Mud 16 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 15, then become bead to go forward side by side by Mold Making in mixture Sector-style is done;Bead after air-drying again is placed among magnetic field, under the active force in magnetic field, the internal bead containing magnetizing mediums 15 with Inside does not contains the bead of magnetizing mediums 15 and separates, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7;Will be fixing Change microorganism ball 7 in waste water pollutant-removing system, and produce magnetic by arranging magnetic field generator 11 around waste water pollutant-removing system , make immobilized microorganism ball 7 be in suspended state in waste water pollutant-removing system;Immobilized microorganism ball 7 uses long-time In, the activated sludge 16 on surface loses activity gradually, is flowed into and is around not provided with the immobilized microorganism in the membrane cisterna 5 in magnetic field Ball 7 sinks to bottom by the gravity of self and reclaims, and finally passes through to soak by the immobilized microorganism ball 7 reclaimed, rolls, Centrifugal mode reclaims magnetizing mediums 15;Again the magnetizing mediums 15 being recovered to is sufficiently mixed with activated sludge 16 and again makes immobilization Microorganism ball 7.
Waste water pollutant-removing system, its using method is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in waste water pollutant-removing system;
Second step, open magnetic field generator 11 and aerator 13, make that waste water pollutant-removing system is internal produces magnetic field, and then make to fix Change microorganism ball 7 and be in suspended state in waste water pollutant-removing system;
3rd step, the outlet pipe 8 in membrane cisterna 5 is connected the outlet 20 of upper water-supply-pipe 19 one end;
4th step, opening conduits valve, waste water is flowed into waste water pollutant-removing system from water inlet 1;
5th step, being positioned in membrane cisterna 5 by membrane module 17, the flow velocity tachymeter 24 being positioned at top cover 22 is capable of detecting when water flow velocity Degree is 0.6m/s;
6th step, the wire connected by electric magnet 23 connect upper alternating current power supply, and are capable of detecting when water by flow velocity tachymeter 24 Flow Velocity size, the cycle in conjunction with formula regulation alternating current is 600s, and alternating current size I=500mA makes electric magnet 23 in exchange Under the effect of electricity, produce intermittent magnetic, attract magnetizing mediums 26, compression spring 27 during attracting, make film 21 also produce The compression of raw indirect, during the intermittent compression of film 21 and restoring to the original state, makes mud be difficult to be attached to film 21 table Face, and the mud having attached to film 21 surface can be removed;
7th step, waste water are discharged after the membrane cisterna 5 in waste water pollutant-removing system filters;Immobilized microorganism ball 7 is in waste water scrubbing It is flowed into after system uses a period of time and is around not provided with in the membrane cisterna 5 in magnetic field, sink to membrane cisterna 5 by the gravity of self Bottom, and enter in collection device 14, part immobilized microorganism ball is back in anaerobic pond 2 by return duct 12.
Embodiment 3:
Referring to Fig. 1-8, the present invention provides a kind of technical scheme: waste water pollutant-removing system, including water inlet 1, anaerobic pond 2, anoxia 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 discharges from outlet 6, and the mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, the 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 anaerobic pond 2, 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 include 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 immobilization micro- Biological ball 7;The bottom of membrane cisterna 5 connects back to flow tube 12, for being back in anaerobic pond 2 by the immobilized microorganism ball 7 of a part;
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 6mm of immobilized microorganism ball 7, magnetizing mediums 15 is the metallic nickel after Passivation Treatment, a diameter of 0.5mm of magnetizing mediums 15, magnetizing mediums 15 without magnetic, but can Magnetizing under the influence of a magnetic field, activated sludge 16 is rich in microorganism;Activated sludge 16 is wrapped in magnetizing mediums 15, forms ball Shape;Magnetic field generator 11 produces magnetic field, and then makes immobilized microorganism ball 7 be in suspended state in waste water pollutant-removing system;
Membrane module 17 includes membrane body 18, top cover 22, base 25 and spring 27, and membrane body 17 includes water-supply-pipe 19, outlet 20 With film 21, being provided with electric magnet 23 and Flow speed measurer 24 in top cover 22, electric magnet 23 is hollow ring structure, middle through defeated Water pipe 19, electric magnet 23 connects wire, and wire connects alternating-current power supply, so that electric magnet 23 produces intermittent magnetic, inhales Drawing the magnetizing mediums 26 being positioned at base 25, magnetizing mediums 26 can be attracted by electric magnet 23;Flow speed measurer 24 is used for measuring sewage water Stream flow velocity;
Spring 27 is positioned at film 21, the surrounding of water-supply-pipe 19, and spring 27 connects top cover 22 and base 25, the electric magnet in top cover 22 The attraction of 23 indirect is positioned at the magnetizing mediums 26 of base 25, and compression spring 27 during attracting, between making film 21 also produce The compression of connecing property, during the intermittent compression of film 21 and restoring to the original state, makes mud be difficult to be attached to film 21 surface, and And the mud having attached to film 21 surface can be removed;
By being 500 mA at alternating current, the scavenging effect of membrane module in the case of flow rate of water flow difference, draw and test number as follows According to, wherein matched group is the membrane module not containing the technology of the present invention:
By being 0.7 m/s at flow rate of water flow, the scavenging effect of membrane module in the case of alternating current difference, draw and test number as follows According to, wherein matched group is the membrane module not containing the technology of the present invention:
By above table, it is concluded that
One, when flow rate of water flow is 0 ~ 0.5m/s, and electric current is definite value, when ac period is 900s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 600s;
Two, when flow rate of water flow is 0.5 ~ 1.0m/s, and electric current is definite value, when ac period is 600s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 900s;
Three, when flow rate of water flow is 1.0 ~ 1.5m/s, and electric current is definite value, when ac period is 300s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 600s and 900s;
Four, when electric current is 0 ~ 250mA, and flow rate of water flow is definite value, when ac period is 300s, scavenging effect is better than alternating current Cycle is scavenging effect during 600s and 900s;
Five, when electric current is 250 ~ 600mA, and flow rate of water flow is definite value, when ac period is 600s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 900s;
Six, when electric current is 600 ~ 1000mA, and flow rate of water flow is definite value, when ac period is 900s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 600s.
Although above-mentioned conclusion is to be 500 mA at alternating current, flow rate of water flow is to draw in the case of 0.7 m/s, but right Other size of current or other flow rate of water flow are equally applicable;Although the size increasing alternating current can with the cycle reducing alternating current Strengthen scavenging effect, but the scavenging effect brought for size or the cycle of reduction alternating current of increase alternating current increases journey Spend unconspicuous in the case of, then it is assumed that the alternating current size after increase with increase after alternating current size be not optimal;Table Outlet pressure in lattice is the biggest, there is shown nozzle blockage is serious, and outlet pressure is the least, there is shown nozzle blockage is the most serious.
The preparation of the immobilized microorganism ball 7 in waste water pollutant-removing system and recovery are dirty by will be enriched in the activity of microorganism Mud 16 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 15, then become bead to go forward side by side by Mold Making in mixture Sector-style is done;Bead after air-drying again is placed among magnetic field, under the active force in magnetic field, the internal bead containing magnetizing mediums 15 with Inside does not contains the bead of magnetizing mediums 15 and separates, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7;Will be fixing Change microorganism ball 7 in waste water pollutant-removing system, and produce magnetic by arranging magnetic field generator 11 around waste water pollutant-removing system , make immobilized microorganism ball 7 be in suspended state in waste water pollutant-removing system;Immobilized microorganism ball 7 uses long-time In, the activated sludge 16 on surface loses activity gradually, is flowed into and is around not provided with the immobilized microorganism in the membrane cisterna 5 in magnetic field Ball 7 sinks to bottom by the gravity of self and reclaims, and finally passes through to soak by the immobilized microorganism ball 7 reclaimed, rolls, Centrifugal mode reclaims magnetizing mediums 15;Again the magnetizing mediums 15 being recovered to is sufficiently mixed with activated sludge 16 and again makes immobilization Microorganism ball 7.
Waste water pollutant-removing system, its using method is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in waste water pollutant-removing system;
Second step, open magnetic field generator 11 and aerator 13, make that waste water pollutant-removing system is internal produces magnetic field, and then make to fix Change microorganism ball 7 and be in suspended state in waste water pollutant-removing system;
3rd step, the outlet pipe 8 in membrane cisterna 5 is connected the outlet 20 of upper water-supply-pipe 19 one end;
4th step, opening conduits valve, waste water is flowed into waste water pollutant-removing system from water inlet 1;
5th step, being positioned in membrane cisterna 5 by membrane module 17, the flow velocity tachymeter 24 being positioned at top cover 22 is capable of detecting when water flow velocity Degree is 1.1m/s;
6th step, the wire connected by electric magnet 23 connect upper alternating current power supply, and are capable of detecting when water by flow velocity tachymeter 24 Flow Velocity size, the cycle in conjunction with formula regulation alternating current is 300s, and alternating current size I=100mA makes electric magnet 23 in exchange Under the effect of electricity, produce intermittent magnetic, attract magnetizing mediums 26, compression spring 27 during attracting, make film 21 also produce The compression of raw indirect, during the intermittent compression of film 21 and restoring to the original state, makes mud be difficult to be attached to film 21 table Face, and the mud having attached to film 21 surface can be removed;
7th step, waste water are discharged after the membrane cisterna 5 in waste water pollutant-removing system filters;Immobilized microorganism ball 7 is in waste water scrubbing It is flowed into after system uses a period of time and is around not provided with in the membrane cisterna 5 in magnetic field, sink to membrane cisterna 5 by the gravity of self Bottom, and enter in collection device 14, part immobilized microorganism ball is back in anaerobic pond 2 by return duct 12.
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. waste water pollutant-removing system, it is characterised in that: include water inlet (1), anaerobic pond (2), anoxic pond (3), Aerobic Pond (4), film Pond (5) and outlet (6);Waste water enters from water inlet (1), passes sequentially through anaerobic pond (2), anoxic pond (3), Aerobic Pond (4), film Pond (5), finally discharges from outlet (6), and the described mixed liquor in Aerobic Pond (4) can be back to anoxic pond (3), anoxic pond (3) mixed liquor in can be back to anaerobic pond (2), immobilized microorganism ball (7) part backflow in described membrane cisterna (5) To anaerobic pond (2), 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 aeration Device (13);Described membrane cisterna (5) includes outlet pipe (8), water inlet pipe (9), return duct (12), aerator (13), film group Part (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), it is used for collecting immobilized microorganism ball (7);The bottom of described membrane cisterna (5) connects back to flow tube (12), for by a part Immobilized microorganism ball (7) be back in anaerobic pond (2);
Described immobilized microorganism ball (7) includes magnetizing mediums (15) and activated sludge (16), described magnetizing mediums (15) without Being magnetic, but can magnetize under the influence of a magnetic field, described activated sludge (16) is rich in microorganism;Described activity Mud (16) is wrapped in magnetizing mediums (15), is formed spherical;Described magnetic field generator (11) produces magnetic field, and then makes immobilization micro- Biological ball (7) is in suspended state in described waste water pollutant-removing system;
Described membrane module (17) includes membrane body (18), top cover (22), base (25) and spring (27), described described film Body (17) includes water-supply-pipe (19), outlet (20) and film (21), be provided with in described top cover (22) electric magnet (23) and Flow speed measurer (24), described electric magnet (23) is hollow ring structure, middle through water-supply-pipe (19), described electric magnet (23) connecting wire, wire connects alternating-current power supply, so that electric magnet (23) produces intermittent magnetic, attracts to be positioned at base (25) magnetizing mediums (26), described magnetizing mediums (26) can be attracted by electric magnet (23);Described Flow speed measurer (24) is used In measuring sewage flow rate of water flow;Described spring (27) is positioned at film (21), the surrounding of water-supply-pipe (19), described spring (27) Connecting top cover (22) and base (25), the attraction of described electric magnet (23) indirect in top cover (22) is positioned at base (25) Magnetizing mediums (26), attract during compression spring (27), make film (21) also produce the compression of indirect, by film (21) During intermittent compression and reinstatement, make mud be difficult to be attached to film (21) surface, and can remove the most attached In the mud on film (21) surface;
By, in the case of different flow rate of water flow with alternating voltage, detecting the scavenging effect of the alternating current of different cycles, draw As drawn a conclusion:
One, when flow rate of water flow is 0 ~ 0.5m/s, and electric current is definite value, when ac period is 900s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 600s;
Two, when flow rate of water flow is 0.5 ~ 1.0m/s, and electric current is definite value, when ac period is 600s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 900s;
Three, when flow rate of water flow is 1.0 ~ 1.5m/s, and electric current is definite value, when ac period is 300s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 600s and 900s;
Four, when electric current is 0 ~ 250mA, and flow rate of water flow is definite value, when ac period is 300s, scavenging effect is better than alternating current Cycle is scavenging effect during 600s and 900s;
Five, when electric current is 250 ~ 600mA, and flow rate of water flow is definite value, when ac period is 600s, scavenging effect is better than exchange The electricity cycle is scavenging effect during 300s and 900s;
Six, when electric current is 600 ~ 1000mA, and flow rate of water flow is definite value, when ac period is 900s, scavenging effect is better than handing over The stream electricity cycle is scavenging effect during 300s and 600s.
Waste water pollutant-removing system the most according to claim 1, it is characterised in that: the described immobilization in waste water pollutant-removing system The preparation of microorganism ball (7) with reclaim be by will be enriched in the activated sludge of microorganism (16) by solvent be dissolved into thick after It is sufficiently mixed with magnetizing mediums (15), then becomes bead sector-style of going forward side by side to do by Mold Making in mixture;Bead after air-drying again Being placed among magnetic field, under the active force in magnetic field, the internal bead containing magnetizing mediums (15) does not contains magnetizing mediums (15) with inside Bead separate, the internal bead containing magnetizing mediums (15) is immobilized microorganism ball (7);By immobilized microorganism ball (7) In described waste water pollutant-removing system, and by arranging magnetic field generator (11) generation around described waste water pollutant-removing system Magnetic field, makes immobilized microorganism ball (7) be in suspended state in described waste water pollutant-removing system;Immobilized microorganism ball (7) In long-time use, the activated sludge (16) on surface loses activity gradually, is flowed into the membrane cisterna (5) being around not provided with magnetic field In immobilized microorganism ball (7) by the gravity of self sink to bottom reclaim, finally will reclaim the micro-life of immobilization Thing ball (7), by soaking, rolls, and centrifugal mode reclaims magnetizing mediums (15);Again by the magnetizing mediums (15) being recovered to and activity dirt Mud (16) is sufficiently mixed makes immobilized microorganism ball (7) again.
Waste water pollutant-removing system the most according to claim 2, it is characterised in that: described immobilized microorganism ball (7) straight Footpath is 1 ~ 11mm.
Waste water pollutant-removing system the most according to claim 1, it is characterised in that: described magnetizing mediums (15) is metallic nickel.
Waste water pollutant-removing system the most according to claim 4, it is characterised in that: described metallic nickel is after Passivation Treatment Metallic nickel.
Waste water pollutant-removing system the most according to claim 4, it is characterised in that: described magnetizing mediums (15) a diameter of 0.1 ~ 1mm。
Waste water pollutant-removing system the most according to claim 1, its using method is:
The first step, open container (10), make immobilized microorganism ball (7) be flowed in described waste water pollutant-removing system;
Second step, open magnetic field generator (11) and aerator (13), make that described waste water pollutant-removing system is internal produces magnetic field, And then make immobilized microorganism ball (7) be in suspended state in described waste water pollutant-removing system;
3rd step, by the outlet (20) of water-supply-pipe (19) one end in outlet pipe (8) connection in membrane cisterna (5);
4th step, opening conduits valve, waste water is flowed into described waste water pollutant-removing system from water inlet (1);
5th step, described membrane module (17) is positioned in membrane cisterna (5), is positioned at flow velocity tachymeter (24) energy of top cover (22) Enough detect water velocity;
6th step, the wire connected by electric magnet (23) connect upper alternating current power supply, and can be detected by flow velocity tachymeter (24) Water discharge flow speed degree size, in conjunction with cycle and the size of formula regulation alternating current, makes electric magnet (23) under the effect of alternating current, produces Raw intermittent magnetic, attracts magnetizing mediums (26), and compression spring (27) during attracting makes film (21) also produce indirect Compression, by film (21) intermittent compression with restore to the original state during, make mud be difficult to be attached to film (21) surface, and And the mud having attached to film (21) surface can be removed;
7th step, waste water are discharged after the membrane cisterna (5) in described waste water pollutant-removing system filters;Immobilized microorganism ball (7) It is not provided with in the membrane cisterna (5) in magnetic field around being flowed into after using a period of time in described waste water pollutant-removing system, by certainly The gravity of body sinks to membrane cisterna (5) bottom, and enters in collection device (14), and part immobilized microorganism ball passes through return duct (12) it is back in anaerobic pond (2).
CN201610751605.3A 2016-08-30 2016-08-30 Waste water pollutant-removing system and using method Withdrawn CN106186327A (en)

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