CN106145556A - Waste water purifying treatment system and operational approach thereof - Google Patents
Waste water purifying treatment system and operational approach thereof Download PDFInfo
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- CN106145556A CN106145556A CN201610760200.6A CN201610760200A CN106145556A CN 106145556 A CN106145556 A CN 106145556A CN 201610760200 A CN201610760200 A CN 201610760200A CN 106145556 A CN106145556 A CN 106145556A
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- waste water
- treatment system
- immobilized microorganism
- purifying treatment
- microorganism ball
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses waste water purifying treatment system and operational approach thereof, 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 according to the water flow velocity in membrane cisterna；Immobilized microorganism ball used in waste water purifying treatment system and operational approach thereof can maintain the activity of microorganism, purifies water, and reduces fouling membrane；The effect in magnetic field can make immobilized microorganism ball be in suspended state, 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
Technical field
The present invention relates to field of waste water treatment, specially waste water purifying treatment system and operational approach thereof.
Background technology
China is the most unbalanced country of distribution of water resources, and the water resource that each place has is the most unbalanced, 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；Being mainly used in denitrogenation in anoxic pond, nitrate nitrogen is by interior circulation
Being back to anoxic pond by Aerobic Pond, the part immobilized microorganism ball in anoxic pond is come by membrane cisterna backflow；Aerobic Pond is used
In removing BOD, ammonia and nitrogen organic and nitrification and absorption phosphorus in water, Organic substance in water is decomposed into inorganic matter；Membrane cisterna is for clean
Changing 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 purifying treatment system and operational approach thereof, to solve in above-mentioned background technology
The problem proposed.
For achieving the above object, the present invention provides following technical scheme: waste water purifying treatment system, including water inlet, detests
Oxygen pond, anoxic pond, Aerobic Pond, membrane cisterna and outlet；Waste water enters from water inlet, passes sequentially through anaerobic pond, anoxic pond, aerobic
Pond, membrane cisterna, finally discharge from outlet, and the described mixed liquor in Aerobic Pond can be back to anoxic pond, mixing in anoxic pond
Closing liquid and can be back to anaerobic pond, the immobilized microorganism ball part in described membrane cisterna is back to anoxic pond, another part
Discharge；
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 lack 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 at described waste water purifying treatment system
In be 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 preferable scavenging effect of the alternating current of different cycles,
Draw equation below:
As 0≤v ＜ 0.5m/s, T=900s；
As 0.5≤v ＜ 1.0m/s, T=600s；
As 1.0≤v ＜ 1.5m/s, T=300s；
I=600v；
Wherein: T is ac period, unit is s；
I is alternating current size, and unit is mA；
V is sewage water velocity, and unit is m/s.
Preferably, the preparation of the immobilized microorganism ball in described waste water purifying treatment system and recovery are by by richness
Activated sludge containing microorganism by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums, then by mixture pass 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 does not contains the bead of magnetizing mediums and separates with inside, and the internal bead containing magnetizing mediums is immobilized microorganism ball；
Immobilized microorganism ball is used in described waste water purifying treatment system, and logical around described waste water purifying treatment system
Cross and magnetic field generator generation magnetic field is set, make immobilized microorganism ball be in suspension in described waste water purifying treatment system
State；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
Immobilized microorganism ball in the membrane cisterna in magnetic field sinks to bottom by the gravity of self and reclaims, finally fixing by reclaim
Changing microorganism ball to pass through to soak, roll, centrifugal mode reclaims magnetizing mediums；Again by abundant with activated sludge for the magnetizing mediums that is recovered to
Immobilized microorganism ball is made in mixing again.
Preferably, a diameter of 0.5 ~ 4mm 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 ~ 0.8mm of described magnetizing mediums.
Described waste water purifying treatment system, its operational approach is:
The first step, open container, make immobilized microorganism ball be flowed in described waste water purifying treatment system；
Second step, open magnetic field generator and aerator, make the internal magnetic field that produces of described waste water purifying treatment system, and then
Immobilized microorganism ball is made to be in suspended state in described waste water purifying treatment 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 purifying treatment 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 purifying treatment system filters；Immobilized microorganism ball exists
It is flowed into after described waste water purifying treatment system uses a period of time and is around not provided with in the membrane cisterna in magnetic field, by self
Gravity sink to bottom membrane cisterna, and enter in collection device, part immobilized microorganism ball is back to anoxia by return duct
Chi Zhong.
Compared with prior art, the invention has the beneficial effects as follows: described waste water purifying treatment system and operational approach thereof
The immobilized microorganism ball used uses immobilized mode that Microorganism incubation, this mode can be made to protect
Handle the activity of microorganism, preferably purify water, and can preferably make mud-water separation；The diameter of immobilized microorganism ball
Being 0.5 ~ 4mm, will not block fenestra, and can reduce fouling membrane, the diameter of immobilized microorganism ball will not be because of too big
Needing bigger magnetic field that immobilized microorganism ball just can be made to suspend, waste water also will not be the biggest because of the diameter of immobilized microorganism ball
And it being difficult to touch the microorganism inside immobilized microorganism ball, immobilized microorganism ball also will not be difficult to because diameter is the least
Preparation and recovery；Two, immobilized microorganism bag includes magnetizing mediums and activated sludge, and magnetizing mediums can be under the effect of externally-applied magnetic field
Make magnetizing mediums magnetize, enable immobilized microorganism ball to be in suspended state under the influence of a magnetic field, thus be conducive to promoting
Enter the circulation of microorganism and improve microbial activity, can preferably purify water；Immobilized microorganism is controlled by magnetic field
The mode of ball also will not make immobilized microorganism ball be damaged；Three, immobilized microorganism ball can recycle, on the one hand by
Bacteria metabolism in immobilized microorganism ball and process waste water for a long time, causes in immobilized microorganism ball
Microorganism is slowly old dead, uses the mode reclaimed periodically discharge and supplement immobilized microorganism ball, can make immobilized microorganism
Microorganism in ball is in high activity state all the time；On the other hand in water, flocculence or floating microorganism can be along with immobilizations
Microorganism ball is discharged together, is possible to prevent microorganism to block fenestra, and the microorganism of discharge is also used as preparing the micro-life of immobilization
The raw material of thing ball；Four, described membrane module is by being internally provided with electric magnet at top cover, and chassis interior is provided with magnetizing mediums,
It is provided with spring between top cover and base, according to different sewage water flow velocities, electric magnet is passed to scavenging effect preferably alternating current
Cycle and size make membrane module produce intermittent contraction, and then make mud be difficult to be attached to film surface, and can remove
Through being attached to 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 purifying treatment system, including water inlet 1, anaerobic pond 2,
Anoxic pond 3, Aerobic Pond 4, membrane cisterna 5 and outlet 6；Waste water enters from water inlet 1, passes sequentially through anaerobic pond 2, anoxic pond 3, aerobic
Pond 4, membrane cisterna 5, finally discharge from outlet 6, and the mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, mixing in anoxic pond 3
Closing liquid and can be back to anaerobic pond 2, immobilized microorganism ball 7 part in membrane cisterna 5 is back to anoxic pond 3, and another part is arranged
Go out；
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 anoxic pond 3 by the immobilized microorganism ball 7 of a part；
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 0.5mm of immobilized microorganism ball 7, and magnetic is situated between
Matter 15 is the metallic nickel after Passivation Treatment, a diameter of 0.1mm of magnetizing mediums 15, and magnetizing mediums 15 is without magnetic, but energy
Enough 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 suspension in waste water purifying treatment system
State；
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, in the case of different flow rate of water flow with alternating voltage, detecting the preferable scavenging effect of the alternating current of different cycles,
Draw equation below:
As 0≤v ＜ 0.5m/s, T=900s；
As 0.5≤v ＜ 1.0m/s, T=600s；
As 1.0≤v ＜ 1.5m/s, T=300s；
I=600v；
Wherein: T is ac period, unit is s；
I is alternating current size, and unit is mA；
V is sewage water velocity, and unit is m/s.
The preparation of the immobilized microorganism ball 7 in waste water purifying treatment system is the work by will be enriched in microorganism with recovery
Property mud 16 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 15, then mixture is become bead by Mold Making
Sector-style of going forward side by side is done；Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, inside is little containing magnetizing mediums 15
Ball does not contains the bead of magnetizing mediums 15 and separates with inside, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7；Will
Immobilized microorganism ball 7 is in waste water purifying treatment system, and sends out by arranging magnetic field around waste water purifying treatment system
Raw device 11 produces magnetic field, makes immobilized microorganism ball 7 be in suspended state in waste water purifying treatment system；Immobilized microorganism
Ball 7 is in long-time use, and 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 immobilized microorganism
Ball 7, by soaking, rolls, and centrifugal mode reclaims magnetizing mediums 15；Again by abundant with activated sludge 16 for the magnetizing mediums 15 that is recovered to
Immobilized microorganism ball 7 is made in mixing again.
Waste water purifying treatment system, its operational approach is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in waste water purifying treatment system；
Second step, open magnetic field generator 11 and aerator 13, make that waste water purifying treatment system is internal produces magnetic field, and then make
Immobilized microorganism ball 7 is in suspended state in waste water purifying treatment 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 purifying treatment 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 0.1m/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 900s, and alternating current size I=600v=600*0.1=60mA makes electricity
Magnet 23, under the effect of alternating current, produces intermittent magnetic, attracts magnetizing mediums 26, compression spring during attracting
27, make film 21 also produce the compression of indirect, during the intermittent compression of film 21 and restoring to the original state, make mud be difficult to
It is attached to film 21 surface, 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 purifying treatment system filters；Immobilized microorganism ball 7 is at waste water
It is flowed into after cleaning treatment system uses a period of time and is around not provided with in the membrane cisterna 5 in magnetic field, by under the gravity of self
Sinking to bottom membrane cisterna 5, and enter in collection device 14, part immobilized microorganism ball 7 is back to anoxic pond 3 by return duct 12
In.
Embodiment 2:
Referring to Fig. 1-8, the present invention provides a kind of technical scheme: waste water purifying treatment system, including water inlet 1, anaerobic pond 2,
Anoxic pond 3, Aerobic Pond 4, membrane cisterna 5 and outlet 6；Waste water enters from water inlet 1, passes sequentially through anaerobic pond 2, anoxic pond 3, aerobic
Pond 4, membrane cisterna 5, finally discharge from outlet 6, and the mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, mixing in anoxic pond 3
Closing liquid and can be back to anaerobic pond 2, immobilized microorganism ball 7 part in membrane cisterna 5 is back to anoxic pond 3, and another part is arranged
Go out；
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 anoxic pond 3 by the immobilized microorganism ball 7 of a part；
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 4mm of immobilized microorganism ball 7, magnetizing mediums
15 is the metallic nickel after Passivation Treatment, a diameter of 0.8mm 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 suspension in waste water purifying treatment system
State；
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, in the case of different flow rate of water flow with alternating voltage, detecting the preferable scavenging effect of the alternating current of different cycles,
Draw equation below:
As 0≤v ＜ 0.5m/s, T=900s；
As 0.5≤v ＜ 1.0m/s, T=600s；
As 1.0≤v ＜ 1.5m/s, T=300s；
I=600v；
Wherein: T is ac period, unit is s；
I is alternating current size, and unit is mA；
V is sewage water velocity, and unit is m/s.
The preparation of the immobilized microorganism ball 7 in waste water purifying treatment system is the work by will be enriched in microorganism with recovery
Property mud 16 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 15, then mixture is become bead by Mold Making
Sector-style of going forward side by side is done；Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, inside is little containing magnetizing mediums 15
Ball does not contains the bead of magnetizing mediums 15 and separates with inside, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7；Will
Immobilized microorganism ball 7 is in waste water purifying treatment system, and sends out by arranging magnetic field around waste water purifying treatment system
Raw device 11 produces magnetic field, makes immobilized microorganism ball 7 be in suspended state in waste water purifying treatment system；Immobilized microorganism
Ball 7 is in long-time use, and 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 immobilized microorganism
Ball 7, by soaking, rolls, and centrifugal mode reclaims magnetizing mediums 15；Again by abundant with activated sludge 16 for the magnetizing mediums 15 that is recovered to
Immobilized microorganism ball 7 is made in mixing again.
Waste water purifying treatment system, its operational approach is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in waste water purifying treatment system；
Second step, open magnetic field generator 11 and aerator 13, make that waste water purifying treatment system is internal produces magnetic field, and then make
Immobilized microorganism ball 7 is in suspended state in waste water purifying treatment 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 purifying treatment 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 900s, and alternating current size I=600v=600*0.6=360mA makes electricity
Magnet 23, under the effect of alternating current, produces intermittent magnetic, attracts magnetizing mediums 26, compression spring during attracting
27, make film 21 also produce the compression of indirect, during the intermittent compression of film 21 and restoring to the original state, make mud be difficult to
It is attached to film 21 surface, 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 purifying treatment system filters；Immobilized microorganism ball 7 is at waste water
It is flowed into after cleaning treatment system uses a period of time and is around not provided with in the membrane cisterna 5 in magnetic field, by under the gravity of self
Sinking to bottom membrane cisterna 5, and enter in collection device 14, part immobilized microorganism ball 7 is back to anoxic pond 3 by return duct 12
In.
Embodiment 3:
Referring to Fig. 1-8, the present invention provides a kind of technical scheme: waste water purifying treatment system, including water inlet 1, anaerobic pond 2,
Anoxic pond 3, Aerobic Pond 4, membrane cisterna 5 and outlet 6；Waste water enters from water inlet 1, passes sequentially through anaerobic pond 2, anoxic pond 3, aerobic
Pond 4, membrane cisterna 5, finally discharge from outlet 6, and the mixed liquor in Aerobic Pond 4 can be back to anoxic pond 3, mixing in anoxic pond 3
Closing liquid and can be back to anaerobic pond 2, immobilized microorganism ball 7 part in membrane cisterna 5 is back to anoxic pond 3, and another part is arranged
Go out；
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 anoxic pond 3 by the immobilized microorganism ball 7 of a part；
Immobilized microorganism ball 7 includes magnetizing mediums 15 and activated sludge 16, a diameter of 2mm of immobilized microorganism ball 7, magnetizing mediums
15 is the metallic nickel after Passivation Treatment, a diameter of 0.4mm 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 suspension in waste water purifying treatment system
State；
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, in the case of different flow rate of water flow with alternating voltage, detecting the preferable scavenging effect of the alternating current of different cycles,
Draw equation below:
As 0≤v ＜ 0.5m/s, T=900s；
As 0.5≤v ＜ 1.0m/s, T=600s；
As 1.0≤v ＜ 1.5m/s, T=300s；
I=600v；
Wherein: T is ac period, unit is s；
I is alternating current size, and unit is mA；
V is sewage water velocity, and unit is m/s.
The preparation of the immobilized microorganism ball 7 in waste water purifying treatment system is the work by will be enriched in microorganism with recovery
Property mud 16 by solvent be dissolved into thick after be sufficiently mixed with magnetizing mediums 15, then mixture is become bead by Mold Making
Sector-style of going forward side by side is done；Bead after air-drying again is placed among magnetic field, and under the active force in magnetic field, inside is little containing magnetizing mediums 15
Ball does not contains the bead of magnetizing mediums 15 and separates with inside, and the internal bead containing magnetizing mediums 15 is immobilized microorganism ball 7；Will
Immobilized microorganism ball 7 is in waste water purifying treatment system, and sends out by arranging magnetic field around waste water purifying treatment system
Raw device 11 produces magnetic field, makes immobilized microorganism ball 7 be in suspended state in waste water purifying treatment system；Immobilized microorganism
Ball 7 is in long-time use, and 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 immobilized microorganism
Ball 7, by soaking, rolls, and centrifugal mode reclaims magnetizing mediums 15；Again by abundant with activated sludge 16 for the magnetizing mediums 15 that is recovered to
Immobilized microorganism ball 7 is made in mixing again.
Waste water purifying treatment system, its operational approach is:
The first step, open container 10, make immobilized microorganism ball 7 be flowed in waste water purifying treatment system；
Second step, open magnetic field generator 11 and aerator 13, make that waste water purifying treatment system is internal produces magnetic field, and then make
Immobilized microorganism ball 7 is in suspended state in waste water purifying treatment 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 purifying treatment 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 900s, and alternating current size I=600v=600*1.1=660mA makes electricity
Magnet 23, under the effect of alternating current, produces intermittent magnetic, attracts magnetizing mediums 26, compression spring during attracting
27, make film 21 also produce the compression of indirect, during the intermittent compression of film 21 and restoring to the original state, make mud be difficult to
It is attached to film 21 surface, 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 purifying treatment system filters；Immobilized microorganism ball 7 is at waste water
It is flowed into after cleaning treatment system uses a period of time and is around not provided with in the membrane cisterna 5 in magnetic field, by under the gravity of self
Sinking to bottom membrane cisterna 5, and enter in collection device 14, part immobilized microorganism ball 7 is back to anoxic pond 3 by return duct 12
In.
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 purifying treatment system, it is characterised in that: include water inlet (1), anaerobic pond (2), anoxic pond (3), Aerobic Pond
(4), membrane cisterna (5) and outlet (6)；Waste water enters from water inlet (1), passes sequentially through anaerobic pond (2), anoxic pond (3), Aerobic Pond
(4), membrane cisterna (5), finally from outlet (6) discharge, the described mixed liquor in Aerobic Pond (4) can be back to anoxic pond (3),
Mixed liquor in anoxic pond (3) can be back to anaerobic pond (2), described (7) one, immobilized microorganism ball in membrane cisterna (5)
Dividing and be back to anoxic pond (3), 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 anoxic pond (3)；
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 purifying treatment 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) connect top cover (22) with
Base (25), the attraction of described electric magnet (23) indirect in top cover (22) is positioned at the magnetizing mediums (26) of base (25),
Compression spring (27) during attracting, makes film (21) also produce the compression of indirect, by film (21) intermittent compression
During restoring to the original state, make mud be difficult to be attached to film (21) surface, and can remove and have attached to film (21) table
The mud in face；
By, in the case of different flow rate of water flow with alternating voltage, detecting the preferable scavenging effect of the alternating current of different cycles,
Draw equation below:
As 0≤v ＜ 0.5m/s, T=900s；
As 0.5≤v ＜ 1.0m/s, T=600s；
As 1.0≤v ＜ 1.5m/s, T=300s；
I=600v；
Wherein: T is ac period, unit is s；
I is alternating current size, and unit is mA；
V is sewage water velocity, and unit is m/s.
Waste water purifying treatment system the most according to claim 1, it is characterised in that: in described waste water purifying treatment system
The preparation of immobilized microorganism ball (7) with to reclaim be to be dissolved into by solvent by will be enriched in the activated sludge of microorganism (16)
It is sufficiently mixed with magnetizing mediums (15) after thick, then becomes bead sector-style of going forward side by side to do by Mold Making in mixture；To air-dry again
After bead be placed among magnetic field, under the active force in magnetic field, the internal bead containing magnetizing mediums (15) does not contains magnetic with inside
The bead of medium (15) separates, and the internal bead containing magnetizing mediums (15) is immobilized microorganism ball (7)；By micro-for immobilization life
Thing ball (7) is used in described waste water purifying treatment system, and by arranging magnetic around described waste water purifying treatment system
Field generator (11) produces magnetic field, makes immobilized microorganism ball (7) be in suspension in described waste water purifying treatment system
State；Immobilized microorganism ball (7) is in long-time use, and the activated sludge (16) on surface loses activity gradually, is flowed into around
The immobilized microorganism ball (7) being not provided with in the membrane cisterna (5) in magnetic field sinks to bottom by the gravity of self and reclaims,
After by the immobilized microorganism ball (7) that reclaims by soaking, roll, centrifugal mode reclaims magnetizing mediums (15)；To be recovered to again
Magnetizing mediums (15) and activated sludge (16) be sufficiently mixed and again make immobilized microorganism ball (7).
Waste water purifying treatment system the most according to claim 2, it is characterised in that: described immobilized microorganism ball (7)
A diameter of 0.5 ~ 4mm.
Waste water purifying treatment system the most according to claim 1, it is characterised in that: described magnetizing mediums (15) is metal
Nickel.
Waste water purifying treatment system the most according to claim 4, it is characterised in that: described metallic nickel is at transpassivation
Metallic nickel after reason.
Waste water purifying treatment system the most according to claim 4, it is characterised in that: described magnetizing mediums (15) a diameter of
0.1~0.8mm。
Waste water purifying treatment system the most according to claim 1, its operational approach is:
The first step, open container (10), make immobilized microorganism ball (7) be flowed in described waste water purifying treatment system；
Second step, open magnetic field generator (11) and aerator (13), make that described waste water purifying treatment system is internal to be produced
Magnetic field, and then make immobilized microorganism ball (7) be in suspended state in described waste water purifying treatment 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 purifying treatment 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 purifying treatment 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 purifying treatment system,
Sinking to membrane cisterna (5) bottom by the gravity of self, and enter in collection device (14), part immobilized microorganism ball (7) is led to
Cross return duct (12) to be back in anoxic pond (3).
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