CN106007226A - Sewage purification system and application method thereof - Google Patents
Sewage purification system and application method thereof Download PDFInfo
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- CN106007226A CN106007226A CN201610563852.0A CN201610563852A CN106007226A CN 106007226 A CN106007226 A CN 106007226A CN 201610563852 A CN201610563852 A CN 201610563852A CN 106007226 A CN106007226 A CN 106007226A
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- immobilized microorganism
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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
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
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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
- 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
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
Abstract
The invention discloses a sewage purification system and an application method thereof. The sewage purification system comprises an anaerobic zone, an anoxic zone a, an aerobic zone b and a membrane tank. The application method of the sewage purification system comprises the following steps: firstly, placing immobilized microbe balls in the anaerobic zone (tank), and recycling the immobilized microbe balls at the bottom of the membrane tank for re-preparation. According to the sewage purification system and the application method thereof, the used immobilized microbe balls not only can keep the activity of microorganisms and purify the water quality, but also can separate mud and water and are good in settleability; the diameter of the immobilized microbe balls is selected to be just right, the immobilized microbe balls can be suspended without a larger magnetic field, and sewage can also be in contact with the microorganisms inside the immobilized microbe balls; through the function of the magnetic field, the immobilized microbe balls can be in the state of suspension, and the activity of the microorganisms can also be improved; the immobilized microbe balls can be recycled, so that the microorganisms inside the immobilized microbe balls can be in the high-activity state all the time.
Description
Technical field
The present invention relates to sewage treatment area, specially sewage purification system and its 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, generally one hydropenia country, and the whole nation has the city of 70% to be in exsiccosis；China or a with serious pollution country of water simultaneously, annual because water pollutes the loss caused accounts for the 2% of GDP, water pollution condition is constantly aggravated so that sewage disposal and regeneration industry are by unprecedented concern.
Being mainly used in anaerobic zone discharging phosphorus, partial organic substances carries out ammonification simultaneously, also can remove the COD in water；Being mainly used in denitrogenation in anoxic zone, nitrate nitrogen is back to anoxic zone by interior circulation by aerobic zone；Aerobic zone is used for removing BOD in water, ammonia and nitrogen organic and nitrification and absorption phosphorus, and Organic substance in water is decomposed into inorganic matter；Membrane cisterna is used for purifying water, and the water after membrane cisterna purifies can be expelled directly out.
During membrane process sewage disposal, mud often can be attached on membrane module, causes membrane module fenestra to be blocked by mud and causes purifying water efficiency and reduce, to this end, enterprise is required for devoting a tremendous amount of time with money for the cleaning of fouling membrane every year.
Summary of the invention
It is an object of the invention to provide sewage purification system and its using method, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: sewage purification system, including anaerobic zone, anoxic zone a, aerobic zone, anoxic zone b and membrane cisterna, described anaerobic zone connects sewage water inlet pipe, sewage and immobilized microorganism ball sequentially pass through anaerobic zone, anoxic zone a, aerobic zone, anoxic zone b, eventually passing after membrane cisterna filters and discharge, immobilized microorganism ball can be back to anoxic zone a by described aerobic zone；
Described anaerobic zone includes outlet pipe, container, water inlet pipe and magnetic field generator；Described anoxic zone a, aerobic zone and anoxic zone b include outlet pipe, water inlet pipe, aerator and magnetic field generator；Described membrane cisterna includes membrane module, outlet pipe, water inlet pipe, aerator and collection device；
Membrane module in described membrane cisterna connects outlet pipe；Described container is used for containing immobilized microorganism ball；Described aerator is positioned at bottom anoxic zone a, aerobic zone, anoxic zone b and membrane cisterna；The described side bottom membrane cisterna is provided with collection device, and described collection device is used for collecting immobilized microorganism ball；
Described immobilized microorganism bag includes magnetizing mediums and activated sludge, and described magnetizing mediums is without magnetic, but can magnetize under the influence of a magnetic field, and described activated sludge is rich in microorganism；Described activated sludge is wrapped in magnetizing mediums, is formed spherical；Described magnetic field generator produces magnetic field, and then makes immobilized microorganism ball be in suspended state in described sewage purification system.
Preferably, the preparation of the immobilized microorganism ball in described sewage purification system with reclaim be by will be enriched in the activated sludge of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil；Again magnetizing mediums is placed on plate, each circular hole is placed a magnetizing mediums；Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate enabling the immobilized microorganism ball air-dried and surface to be made up of masking foil departs from；Immobilized microorganism ball is used in described sewage purification system, and by arranging magnetic field generator generation magnetic field around described sewage purification system, makes immobilized microorganism ball be in suspended state in described sewage purification system；Immobilized microorganism ball is in long-time use, the activated sludge on surface loses activity gradually, the immobilized microorganism ball being not provided with in the membrane cisterna in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums；Again the magnetizing mediums being recovered to and activated sludge are sufficiently mixed and again make immobilized microorganism ball.
Preferably, a diameter of 5 ~ 8mm of described immobilized microorganism ball.
Preferably, described magnetizing mediums is metallic nickel.
Preferably, described metallic nickel is the metallic nickel after Passivation Treatment.
Preferably, a diameter of 1 ~ 2mm of described magnetizing mediums.
Described sewage purification system, its using method is:
The first step, the aerator opened in anoxic zone a, aerobic zone, anoxic zone b and membrane cisterna；
Second step, the container opened in anaerobic zone, make immobilized microorganism ball be flowed in anaerobic zone；
3rd step, magnetic field generator is opened, produce magnetic field, make immobilized microorganism ball be in suspended state in described sewage purification system；
4th step, sewage are discharged after described sewage purification system purifies；Immobilized microorganism ball is not provided with in the membrane cisterna in magnetic field around being flowed into after recycling a period of time in described sewage purification system, is sunk to bottom membrane cisterna by the gravity of self, and enters in collection device.
Compared with prior art, the invention has the beneficial effects as follows: the immobilized microorganism ball used in described sewage purification system and its using method uses immobilized mode can make Microorganism incubation, this mode can not only maintain the activity of microorganism, preferably purify water, and can preferably make mud-water separation；A diameter of 5 ~ 8mm of immobilized microorganism ball, fenestra will not be blocked, and fouling membrane can be reduced, the diameter of immobilized microorganism ball will need bigger magnetic field that immobilized microorganism ball just can be made to suspend because of too big, sewage also will not be difficult to touch the microorganism inside immobilized microorganism ball because the diameter of immobilized microorganism ball is too big, and immobilized microorganism ball also will not be difficult to because diameter is the least prepare and reclaim；Two, immobilized microorganism bag includes magnetizing mediums and activated sludge, magnetizing mediums can make magnetizing mediums magnetize under the effect of externally-applied magnetic field, immobilized microorganism ball is enable to be in suspended state under the influence of a magnetic field, thus may advantageously facilitate the circulation of microorganism and improve microbial activity, can preferably purify water；Immobilized microorganism ball also will not be made to be damaged by the way of magnetic field controls immobilized microorganism ball；Three, immobilized microorganism ball can recycle, one side is due to the bacteria metabolism in immobilized microorganism ball and processes sewage for a long time, cause the microorganism in immobilized microorganism ball slowly old dead, use the mode reclaimed periodically discharge and supplement immobilized microorganism ball, the microorganism in immobilized microorganism ball can be made to be in high activity state all the time；On the other hand in water, flocculence or floating microorganism can be discharged together along with immobilized microorganism ball, are possible to prevent microorganism to block fenestra, and the microorganism of discharge is also used as preparing the raw material of immobilized microorganism ball.
Accompanying drawing explanation
Fig. 1 is the system diagram of the present invention；
Fig. 2 is the structural representation of anaerobic zone of the present invention；
Fig. 3 is the structural representation of aerobic zone of the present invention；
Fig. 4 is the structural representation of membrane cisterna of the present invention；
Fig. 5 is the structural representation of immobilized microorganism ball of the present invention.
In figure: 1, anaerobic zone, 2, anoxic zone a, 3, aerobic zone, 4, anoxic zone b, 5, membrane cisterna, 6, immobilized microorganism ball, 7, outlet pipe, 8, container, 9, water inlet pipe, 10, magnetic field generator, 11, aerator, 12, collection device, 13, magnetizing mediums, 14, activated sludge, 15, membrane module.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1:
Refer to Fig. 1-5, the present invention provides a kind of technical scheme: sewage purification system, including anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5, anaerobic zone 1 connects sewage water inlet pipe, sewage and immobilized microorganism ball 6 sequentially pass through anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4, eventually passing after membrane cisterna 5 filters and discharge, immobilized microorganism ball 6 can be back to anoxic zone a2 by aerobic zone 3；
Anaerobic zone 1 includes outlet pipe 7, container 8, water inlet pipe 9 and magnetic field generator 10；Anoxic zone a2, aerobic zone 3 and anoxic zone b4 include outlet pipe 7, water inlet pipe 9, aerator 11 and magnetic field generator 10；Membrane cisterna 5 includes membrane module 15, outlet pipe 7, water inlet pipe 9, aerator 11 and collection device 12；
Membrane module 15 in membrane cisterna 5 connects outlet pipe 7；Container 8 is used for containing immobilized microorganism ball 6；Aerator 11 is positioned at bottom anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5；Side bottom membrane cisterna 5 is provided with collection device 12, and collection device 12 is used for collecting immobilized microorganism ball 6；
Immobilized microorganism ball 6 includes magnetizing mediums 13 and activated sludge 14, a diameter of 5mm of immobilized microorganism ball 6, magnetizing mediums 13 is the metallic nickel after Passivation Treatment, a diameter of 1mm of magnetizing mediums 13, magnetizing mediums 13 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 14 is rich in microorganism；Activated sludge 14 is wrapped in magnetizing mediums 13, is formed spherical；Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 6 be in suspended state in sewage purification system.
The preparation of the immobilized microorganism ball 6 in sewage purification system with reclaim be by will be enriched in the activated sludge 14 of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil；Again magnetizing mediums 13 is placed on plate, each circular hole is placed a magnetizing mediums 13；Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball 6 air-dried can be made up of masking foil with surface departs from；Immobilized microorganism ball 6 is used in sewage purification system, and produces magnetic field by arranging magnetic field generator 10 around sewage purification system, make immobilized microorganism ball 6 be in suspended state in sewage purification system；Immobilized microorganism ball 6 is in long-time use, the activated sludge 14 on surface loses activity gradually, the immobilized microorganism ball 6 being not provided with in the membrane cisterna 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 6 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 13；Again the magnetizing mediums 13 being recovered to is sufficiently mixed with activated sludge 14 and again makes immobilized microorganism ball 6.
Sewage purification system, its using method is:
The first step, the aerator 11 opened in anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5；
Second step, the container 8 opened in anaerobic zone 1, make immobilized microorganism ball 6 be flowed in anaerobic zone 1；
3rd step, magnetic field generator 10 is opened, produce magnetic field, make immobilized microorganism ball 6 be in suspended state in sewage purification system；
4th step, sewage are discharged after sewage purification system purifies；Immobilized microorganism ball 6 is not provided with in the membrane cisterna 5 in magnetic field around being flowed into after recycling a period of time in sewage purification system, is sunk to bottom membrane cisterna 5 by the gravity of self, and enters in collection device 12.
Embodiment 2:
Refer to Fig. 1-5, the present invention provides a kind of technical scheme: sewage purification system, including anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5, anaerobic zone 1 connects sewage water inlet pipe, sewage and immobilized microorganism ball 6 sequentially pass through anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4, eventually passing after membrane cisterna 5 filters and discharge, immobilized microorganism ball 6 can be back to anoxic zone a2 by aerobic zone 3；
Anaerobic zone 1 includes outlet pipe 7, container 8, water inlet pipe 9 and magnetic field generator 10；Anoxic zone a2, aerobic zone 3 and anoxic zone b4 include outlet pipe 7, water inlet pipe 9, aerator 11 and magnetic field generator 10；Membrane cisterna 5 includes membrane module 15, outlet pipe 7, water inlet pipe 9, aerator 11 and collection device 12；
Membrane module 15 in membrane cisterna 5 connects outlet pipe 7；Container 8 is used for containing immobilized microorganism ball 6；Aerator 11 is positioned at bottom anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5；Side bottom membrane cisterna 5 is provided with collection device 12, and collection device 12 is used for collecting immobilized microorganism ball 6；
Immobilized microorganism ball 6 includes magnetizing mediums 13 and activated sludge 14, a diameter of 8mm of immobilized microorganism ball 6, magnetizing mediums 13 is the metallic nickel after Passivation Treatment, a diameter of 2mm of magnetizing mediums 13, magnetizing mediums 13 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 14 is rich in microorganism；Activated sludge 14 is wrapped in magnetizing mediums 13, is formed spherical；Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 6 be in suspended state in sewage purification system.
The preparation of the immobilized microorganism ball 6 in sewage purification system with reclaim be by will be enriched in the activated sludge 14 of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil；Again magnetizing mediums 13 is placed on plate, each circular hole is placed a magnetizing mediums 13；Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball 6 air-dried can be made up of masking foil with surface departs from；Immobilized microorganism ball 6 is used in sewage purification system, and produces magnetic field by arranging magnetic field generator 10 around sewage purification system, make immobilized microorganism ball 6 be in suspended state in sewage purification system；Immobilized microorganism ball 6 is in long-time use, the activated sludge 14 on surface loses activity gradually, the immobilized microorganism ball 6 being not provided with in the membrane cisterna 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 6 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 13；Again the magnetizing mediums 13 being recovered to is sufficiently mixed with activated sludge 14 and again makes immobilized microorganism ball 6.
Sewage purification system, its using method is:
The first step, the aerator 11 opened in anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5；
Second step, the container 8 opened in anaerobic zone 1, make immobilized microorganism ball 6 be flowed in anaerobic zone 1；
3rd step, magnetic field generator 10 is opened, produce magnetic field, make immobilized microorganism ball 6 be in suspended state in sewage purification system；
4th step, sewage are discharged after sewage purification system purifies；Immobilized microorganism ball 6 is not provided with in the membrane cisterna 5 in magnetic field around being flowed into after recycling a period of time in sewage purification system, is sunk to bottom membrane cisterna 5 by the gravity of self, and enters in collection device 12.
Embodiment 3:
Refer to Fig. 1-5, the present invention provides a kind of technical scheme: sewage purification system, including anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5, anaerobic zone 1 connects sewage water inlet pipe, sewage and immobilized microorganism ball 6 sequentially pass through anaerobic zone 1, anoxic zone a2, aerobic zone 3, anoxic zone b4, eventually passing after membrane cisterna 5 filters and discharge, immobilized microorganism ball 6 can be back to anoxic zone a2 by aerobic zone 3；
Anaerobic zone 1 includes outlet pipe 7, container 8, water inlet pipe 9 and magnetic field generator 10；Anoxic zone a2, aerobic zone 3 and anoxic zone b4 include outlet pipe 7, water inlet pipe 9, aerator 11 and magnetic field generator 10；Membrane cisterna 5 includes membrane module 15, outlet pipe 7, water inlet pipe 9, aerator 11 and collection device 12；
Membrane module 15 in membrane cisterna 5 connects outlet pipe 7；Container 8 is used for containing immobilized microorganism ball 6；Aerator 11 is positioned at bottom anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5；Side bottom membrane cisterna 5 is provided with collection device 12, and collection device 12 is used for collecting immobilized microorganism ball 6；
Immobilized microorganism ball 6 includes magnetizing mediums 13 and activated sludge 14, a diameter of 6mm of immobilized microorganism ball 6, magnetizing mediums 13 is the metallic nickel after Passivation Treatment, a diameter of 1.5mm of magnetizing mediums 13, magnetizing mediums 13 is without magnetic, but can magnetize under the influence of a magnetic field, activated sludge 14 is rich in microorganism；Activated sludge 14 is wrapped in magnetizing mediums 13, is formed spherical；Magnetic field generator 10 produces magnetic field, and then makes immobilized microorganism ball 6 be in suspended state in sewage purification system.
The preparation of the immobilized microorganism ball 6 in sewage purification system with reclaim be by will be enriched in the activated sludge 14 of microorganism by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil；Again magnetizing mediums 13 is placed on plate, each circular hole is placed a magnetizing mediums 13；Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball 6 air-dried can be made up of masking foil with surface departs from；Immobilized microorganism ball 6 is used in sewage purification system, and produces magnetic field by arranging magnetic field generator 10 around sewage purification system, make immobilized microorganism ball 6 be in suspended state in sewage purification system；Immobilized microorganism ball 6 is in long-time use, the activated sludge 14 on surface loses activity gradually, the immobilized microorganism ball 6 being not provided with in the membrane cisterna 5 in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball 6 reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums 13；Again the magnetizing mediums 13 being recovered to is sufficiently mixed with activated sludge 14 and again makes immobilized microorganism ball 6.
Sewage purification system, its using method is:
The first step, the aerator 11 opened in anoxic zone a2, aerobic zone 3, anoxic zone b4 and membrane cisterna 5；
Second step, the container 8 opened in anaerobic zone 1, make immobilized microorganism ball 6 be flowed in anaerobic zone 1；
3rd step, magnetic field generator 10 is opened, produce magnetic field, make immobilized microorganism ball 6 be in suspended state in sewage purification system；
4th step, sewage are discharged after sewage purification system purifies；Immobilized microorganism ball 6 is not provided with in the membrane cisterna 5 in magnetic field around being flowed into after recycling a period of time in sewage purification system, is sunk to bottom membrane cisterna 5 by the gravity of self, and enters in collection device 12.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; conceive in addition equivalent or change according to technical scheme and improvement thereof, all should contain within the scope of the present invention.
Claims (7)
1. sewage purification system, it is characterized in that: include anaerobic zone (1), anoxic zone a(2), aerobic zone (3), anoxic zone b(4) and membrane cisterna (5), described anaerobic zone (1) connects sewage water inlet pipe, sewage and immobilized microorganism ball (6) sequentially pass through anaerobic zone (1), anoxic zone a(2), aerobic zone (3), anoxic zone b(4), eventually passing after membrane cisterna (5) filters and discharge, immobilized microorganism ball (6) can be back to anoxic zone a(2 by described aerobic zone (3))；
Described anaerobic zone (1) includes outlet pipe (7), container (8), water inlet pipe (9) and magnetic field generator (10)；Described anoxic zone a(2), aerobic zone (3) and anoxic zone b(4) include outlet pipe (7), water inlet pipe (9), aerator (11) and magnetic field generator (10)；Described membrane cisterna (5) includes membrane module (15), outlet pipe (7), water inlet pipe (9), aerator (11) and collection device (12)；
Membrane module (15) in described membrane cisterna (5) connects outlet pipe (7)；Described container (8) is used for containing immobilized microorganism ball (6)；Described aerator (11) is positioned at anoxic zone a(2), aerobic zone (3), anoxic zone b(4) and membrane cisterna (5) bottom；The side of described membrane cisterna (5) bottom is provided with collection device (12), and described collection device (12) is used for collecting immobilized microorganism ball (6)；
Described immobilized microorganism ball (6) includes magnetizing mediums (13) and activated sludge (14), and described magnetizing mediums (13) is without magnetic, but can magnetize under the influence of a magnetic field, and described activated sludge (14) is rich in microorganism；Described activated sludge (14) is wrapped in magnetizing mediums (13), is formed spherical；Described magnetic field generator (10) produces magnetic field, and then makes immobilized microorganism ball (6) be in suspended state in described sewage purification system.
Sewage purification system the most according to claim 1, it is characterised in that: the preparation of the immobilized microorganism ball (6) in described sewage purification system with reclaim be by will be enriched in the activated sludge of microorganism (14) by solvent be dissolved into thick after fill up in the plate with particular size circular hole that surface is made up of masking foil；Again magnetizing mediums (13) is placed on plate, each circular hole is placed a magnetizing mediums (13)；Then from the rectangular bend of tiling, plate being become cylinder, the circular hole bending on surface becomes big, and the plate making the immobilized microorganism ball (6) air-dried can be made up of masking foil with surface departs from；By immobilized microorganism ball (6) in described sewage purification system, and by arranging magnetic field generator (10) generation magnetic field around described sewage purification system, make immobilized microorganism ball (6) be in suspended state in described sewage purification system；Immobilized microorganism ball (6) is in long-time use, the activated sludge (14) on surface loses activity gradually, the immobilized microorganism ball (6) being not provided with in the membrane cisterna (5) in magnetic field around being flowed into sinks to bottom by the gravity of self and reclaims, finally by the immobilized microorganism ball (6) reclaimed by soaking, rolling, centrifugal mode reclaims magnetizing mediums (13)；Again the magnetizing mediums (13) being recovered to and activated sludge (14) are sufficiently mixed and again make immobilized microorganism ball (6).
Sewage purification system the most according to claim 2, it is characterised in that: a diameter of 5 ~ 8mm of described immobilized microorganism ball (6).
Sewage purification system the most according to claim 1, it is characterised in that: described magnetizing mediums (13) is metallic nickel.
Sewage purification system the most according to claim 4, it is characterised in that: described metallic nickel is the metallic nickel after Passivation Treatment.
Sewage purification system the most according to claim 4, it is characterised in that: a diameter of 1 ~ 2mm of described magnetizing mediums (13).
Sewage purification system the most according to claim 1, its using method is:
The first step, open anoxic zone a(2), aerobic zone (3), anoxic zone b(4) and membrane cisterna (5) in aerator (11)；
Second step, the container (8) opened in anaerobic zone (1), make immobilized microorganism ball (6) be flowed in anaerobic zone (1)；
3rd step, magnetic field generator (10) is opened, produce magnetic field, make immobilized microorganism ball (6) be in suspended state in described sewage purification system；
4th step, sewage are discharged after described sewage purification system purifies；Immobilized microorganism ball (6) is not provided with in the membrane cisterna (5) in magnetic field around being flowed into after recycling a period of time in described sewage purification system, sinks to membrane cisterna (5) bottom by the gravity of self, and enters in collection device (12).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106882875A (en) * | 2017-02-16 | 2017-06-23 | 洪胜男 | With the system and method for nitrogen phosphorus in membrane technology removal sewage |
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