CN101746883A - Magnetic bioreaction separation device for treating organic wastewater - Google Patents

Magnetic bioreaction separation device for treating organic wastewater Download PDF

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Publication number
CN101746883A
CN101746883A CN200910263564A CN200910263564A CN101746883A CN 101746883 A CN101746883 A CN 101746883A CN 200910263564 A CN200910263564 A CN 200910263564A CN 200910263564 A CN200910263564 A CN 200910263564A CN 101746883 A CN101746883 A CN 101746883A
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China
Prior art keywords
magnetic
bioreaction
rare
separation
earth
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CN200910263564A
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Chinese (zh)
Inventor
倪明亮
周勉
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Sichuan Huanmeineng Technology Co Ltd
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Sichuan Huanmeineng Technology Co Ltd
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Priority to CN200910263564A priority Critical patent/CN101746883A/en
Publication of CN101746883A publication Critical patent/CN101746883A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a magnetic bioreaction separation device for treating organic wastewater, which comprises a magnetic bioreactor and a rare-earth magnetic disc separation device, wherein the magnetic bioreactor consists of a reaction vessel, and microbe carrier magnetic species or magnetic zooglea formed by the microbe carrier magnetic species, which is placed in the reaction vessel; the magnetic bioreactor is connected with the rare-earth magnetic disc separation device by a flowing discharge pipeline; and the upper part of the rare-earth magnetic disc separation device is provided with a water outlet pipe, and the lower part thereof is provided with a sludge discharge valve. Since the invention utilizes the microbes attached to the microbe carrier magnetic species or magnetic zooglea to decompose the organic matter, while the magnetic zooglea and the treated water can be treated by the rare-earth magnetic disc separation device for solid-liquid separation, not only the cost on the investment and operation is lower than that of the membrane bioreactor, but also the separation efficiency is high, the energy consumption is low, and the effect on denitrification, phosphorous, SS, COD and BOD removal; and the invention is particularly suitable for treating the organic wastewater with large flow and high concentration.

Description

Be used to handle the magnetic bioreaction separation device of organic waste water
Technical field
The invention belongs to the waste disposal plant technical field, particularly relate to and a kind ofly in retort or reaction tank, organism being decomposed with load microorganism magnetic kind or by the magnetic zoogloea that it forms, then carry out solid-liquid separation with magnetic separating apparatus, be used to handle the magnetic bioreaction separation device of organic waste water.
Background technology
Along with increasing of city's constant development and urban population, the quantity discharged of urban organic sewage is also increasing, the membrane bioreactor (MBR) that research and development occur as sewage treatment area is that membrane technique and dirty water living creature processing technique organically combine the wastewater treatment new technology that produces, this technology is compared with traditional biological process of wastewater treatment, it is good to have effluent quality, and water outlet can direct reuse, and occupation area of equipment is little, the activated sludge concentration height, advantage such as excess sludge production is low.In recent years along with the development of membrane technique, the decline gradually of the manufacturing cost of film, the not only new membrane module and the technology of membrane bioreactor have obtained researchdevelopment widely, membrane bioreactor in wastewater treatment, also obtained increasing application (CN2533122Y, CN2530941Y).But, membrane bioreactor in actual applications, still be not well solved because of some problem, as film pollution problem in use, problems such as energy consumption under big flow wastewater treatment cause the life-span of membrane module short, must change in general 1~2 year, investment and running cost height, ton water invest have up to more than 10 ten thousand yuan.
Summary of the invention
The objective of the invention is the problem at the membrane bioreactor existence of existing processing organic waste water, a kind of magnetic bioreaction separation device that is used to handle organic waste water is provided, it can solve the problem that existing membrane bioreactor exists effectively.
The magnetic bioreaction separation device that is used to handle organic waste water provided by the invention, this reaction separating device comprises magnetic bioreaction device and rare-earth magnetic disc separating device, the magnetic bioreaction device is made of with the load microorganism magnetic kind that is placed in one or by the magnetic zoogloea that it forms a reaction vessel, the magnetic bioreaction device links to each other with the rare-earth magnetic disc separating device by the gravity flow Drainage pipe, rare-earth magnetic disc separating device top is provided with rising pipe, and the bottom is provided with the spoil disposal valve.
Reaction vessel in the said apparatus is retort or reaction tank, and the load microorganism magnetic kind that is placed in one is any in Z 250 type magnetic activated carbons, magnetic polystyrene bead, magnetic polyethylene foamed alcohol or the magnetic microbial carrier.Microorganism on these load microorganism magnetic kinds can produce when handling organic waste water and adhere on it naturally, also can cultivate in advance and load on it, and they all can be in the growth and breeding process very fast formation magnetic zoogloea.
Rare-earth magnetic disc separating device in the said apparatus can adopt scrapes wheeled rare-earth magnetic disc treating plant (CN2448831) or rare-earth magnetic disc isolation of purified equipment (CN2412658) or immersion rare earth magnetic circular apparatus for separated purification of waste-water (CN201268608).Field intensity between the runner of the spinning disk that is combined to form by the poly-magnetic of rare earth magnetic steel in this equipment can reach 4300Gs (magnetic disk surface)~750Gs (runner center), and adopts scraping article to dig the wheel mode slag dumping.
Can decompose in order to make full use of, the magnetic zoogloea of digestion of organic matter, the present invention also is provided with a concentrated solution reflux line between the magnetic bioreaction device of said apparatus and rare-earth magnetic disc separating device, a by-pass valve control is installed on it.
Magnetic bioreaction device provided by the invention is handled organic waste water and is achieved in that retort or the reaction tank that enters into the magnetic bioreaction device when organic waste water, bacterium or magnetic zoogloea on the load microorganism magnetic kind that is placed in one just can decompose, organism in the digestion waste water, through decomposing, the waste water of digestion of organic matter and the zoogleic mixed solution of magnetic that is scattered in the waste water enter the rare-earth magnetic disc separating device by the gravity flow Drainage pipe, the magnetic zoogloea separates concentrated solution that the back forms through magnetic and turns back in the retort of magnetic bioreaction device or the reaction tank through the concentrated solution reflux line and use repeatedly, liquid after magnetic separates is as the system handles water outlet, and the rising pipe that is provided with through rare-earth magnetic disc separating device top flows out.The spoil disposal by-pass valve control that is provided with in the bottom of Rare-Earth Magnetic separating device, but long period intermittent discharge mud.
The present invention has following notable features and positively effect:
1, because the load microorganism magnetic kind that the present invention adopts that is to say a kind of magnetic bio-carrier, this carrier is except that the common characteristics that possessed general bio-carrier with requiring (good bioaffinity, good mass transfer characteristic, chemical stability is good, carrier surface is coarse, specific surface area is big, inexpensive and density is lower, be easy to fluidization etc.), also because of having magnetic, be easy to separate, thereby it is available pollution-free, energy consumption is low, the magnetic separation technique that inflow-rate of water turbine is big replaces membrane separation technique, and investment and running cost are all low than membrane bioreactor.
2, because the magnetic bio-carrier that the present invention adopts can adhere to multiple flora, the microorganism concn height of bio-reactor inside, thereby the load of organic matter degradation is little, biological treatment effect is good.
3, because the rare-earth magnetic disc separating device that the present invention adopts is a tray type structure, and magnetic force is big, thereby not only treatment capacity is big, good effect of separating solid from liquid, and floor space is little, also can save the settling tank that activated sludge process needs, and saves land used.
4, because solid-liquid separation process of the present invention is a successive, there is not the membrane pollution problem in the membrane bioreactor in addition, need often carries out back flushing thereby separation efficiency height.
5,, thereby can cut down the consumption of energy greatly because the pump power of the power demand of the rare-earth magnetic disc separating device that the present invention adopts when membrane bioreactor moves.
6, handle organic waste water with the present invention, not only can reach denitrogenation dephosphorizing, and the clearance of SS, COD, BOD is also very high.
Description of drawings
Accompanying drawing is a structural representation of the present invention.1-biological reaction container among the figure, 2-load microorganism magnetic kind or magnetic zoogloea, 3-rare-earth magnetic disc separating device, 4-rising pipe, 5-spoil disposal by-pass valve control, the 6-Drainage pipe that flows automatically, 7-concentrated solution return line, 8-by-pass valve control.
Embodiment
Providing embodiment below in conjunction with accompanying drawing further specifies so that the present invention is made; but given embodiment can not be interpreted as limiting the scope of the invention, thereby nonessential improvement and adjustment that the professional and technical personnel has done according to the content and the design philosophy of the invention described above also should belong to protection scope of the present invention.
Embodiment 1
The magnetic bioreaction separation device that is used for treatment of Organic Wastewater that present embodiment provides is made up of magnetic bioreaction device, rare-earth magnetic disc separating device 3, gravity flow Drainage pipe 6 and concentrated solution reflux line 7 as shown in drawings.
The magnetic bioreaction device is made of with the load microorganism magnetic kind that is placed in one or by the magnetic zoogloea 2 that it forms a reaction vessel 1.Wherein reaction vessel 1 can be retort or reaction tank, and present embodiment is a retort.Place load microorganism magnetic kind 2 present embodiments of retort 1 to select Z 250 type magnetic activated carbons for use.The magnetic bioreaction device links to each other with rare-earth magnetic disc separating device 3 by gravity flow Drainage pipe 6.Rare-earth magnetic disc separating device 3 present embodiments are selected for use and are scraped wheeled rare-earth magnetic disc treating plant, and the water purification after the processing is flowed out by the rising pipe 4 that its top is provided with.Can be for being deposited on the mud of scraping wheeled rare-earth magnetic disc treating plant bottom by opening spoil disposal by-pass valve control 5 discharges that its underpart is provided with.Concentrated solution reflux line 7 is arranged between magnetic bioreaction device and the rare-earth magnetic disc separating device 3, and a by-pass valve control 8 is installed on it, to recycle the magnetic zoogloea 2 that scrapes from rare-earth magnetic disc.
Embodiment 2
As shown in drawings, the magnetic bioreaction separation device that is used for treatment of Organic Wastewater that present embodiment provides also is made up of magnetic bioreaction device, rare-earth magnetic disc separating device 3, gravity flow Drainage pipe 6 and concentrated solution reflux line 7.Because structure, position relation and annexation and the embodiment 1 of present embodiment magnetic bioreaction device, rare-earth magnetic disc separating device 3, gravity flow Drainage pipe 6 and concentrated solution reflux line 7 are identical, do not state so omit.
Present embodiment places the load microorganism magnetic kind 2 of retort to select magnetic microbial carrier for use as different from Example 1.The preparation of this magnetic microbial carrier sees that number of patent application is 200910167879.8 disclosed magnetic microbial carrier preparation methods.
Embodiment 3
As shown in drawings, the magnetic bioreaction separation device that is used for treatment of Organic Wastewater that present embodiment provides also is made up of magnetic bioreaction device, rare-earth magnetic disc separating device 3, gravity flow Drainage pipe 6 and concentrated solution reflux line 7.Because structure, position relation and annexation and the embodiment 1 of present embodiment magnetic bioreaction device, rare-earth magnetic disc separating device 3, gravity flow Drainage pipe 6 and concentrated solution reflux line 7 are identical, do not state so omit.
What present embodiment placed retort as different from Example 1 is by load microorganism magnetic kind---the magnetic zoogloea 2 that the magnetic polystyrene bead forms.
Embodiment 4
As shown in drawings, the magnetic bioreaction separation device that is used for treatment of Organic Wastewater that present embodiment provides also is made up of magnetic bioreaction device, rare-earth magnetic disc separating device 3, gravity flow Drainage pipe 6 and concentrated solution reflux line 7.Because structure, position relation and annexation and the embodiment 1 of present embodiment magnetic bioreaction device, rare-earth magnetic disc separating device 3, gravity flow Drainage pipe 6 and concentrated solution reflux line 7 are identical, do not state so omit.
As different from Example 1: 1. reaction vessel 1 is a reaction tank; What 2. present embodiment placed reaction tank 1 is by load microorganism magnetic kind---the magnetic zoogloea 2 that Z 250 type magnetic activated carbons forms.

Claims (5)

1. magnetic bioreaction separation device that is used to handle organic waste water, this reaction separating device comprises magnetic bioreaction device and rare-earth magnetic disc separating device, the magnetic bioreaction device constitutes by a reaction vessel (1) and the load microorganism magnetic kind that is placed in one or by its magnetic zoogloea (2) that forms, the magnetic bioreaction device links to each other with rare-earth magnetic disc separating device (3) by gravity flow Drainage pipe (6), rare-earth magnetic disc separating device (3) top is provided with rising pipe (4), and the bottom is provided with spoil disposal valve (5).
2. the magnetic bioreaction separation device that is used to handle organic waste water according to claim 1, the reaction vessel (1) in this device is retort or reaction tank.
3. the magnetic bioreaction separation device that is used to handle organic waste water according to claim 1 and 2, used load microorganism magnetic kind (2) is any in Z 250 type magnetic activated carbons, magnetic polystyrene bead, magnetic polyethylene foamed alcohol or the magnetic microbial carrier in this device reaction container (1).
4. the magnetic bioreaction separation device that is used to handle organic waste water according to claim 1 and 2, also be provided with a concentrated solution reflux line (7) between the magnetic bioreaction device of this device and the rare-earth magnetic disc separating device (6), a by-pass valve control (8) is installed on it.
5. the magnetic bioreaction separation device that is used to handle organic waste water according to claim 3 also is provided with a concentrated solution reflux line (7) between the magnetic bioreaction device of this device and the rare-earth magnetic disc separating device (6), a by-pass valve control (8) is installed on it.
CN200910263564A 2009-12-25 2009-12-25 Magnetic bioreaction separation device for treating organic wastewater Pending CN101746883A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265110A (en) * 2013-05-10 2013-08-28 李继香 Water treatment method using magnetically biologically enhanced membrane bioreactor
CN105948224A (en) * 2016-07-18 2016-09-21 汪浩 Method for preparing and recycling immobilized microorganism spheres for membrane technique water treatment
CN106380003A (en) * 2016-09-30 2017-02-08 东莞市联洲知识产权运营管理有限公司 Aerobic granular sludge based on ferric oxide and phosphorus-accumulating bacteria, and preparation method thereof
CN106396089A (en) * 2016-09-30 2017-02-15 东莞市联洲知识产权运营管理有限公司 Magnetic active carbon aerobic granular sludge membrane bioreactor and preparation method thereof
CN106698654A (en) * 2016-12-21 2017-05-24 浙江工业大学 Method for using Fe3O4/C to alleviate MBR membrane pollution
CN109455799A (en) * 2017-09-06 2019-03-12 中科天龙(厦门)环保股份有限公司 A kind of New Magnetic Field Controlled kind and preparation method thereof for magnetic separation technique
CN110104792A (en) * 2019-05-08 2019-08-09 广东惠山生物科技有限公司 Artificial zoogloea of a kind of multi-orientation type based on wastewater treatment and preparation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265110A (en) * 2013-05-10 2013-08-28 李继香 Water treatment method using magnetically biologically enhanced membrane bioreactor
CN105948224A (en) * 2016-07-18 2016-09-21 汪浩 Method for preparing and recycling immobilized microorganism spheres for membrane technique water treatment
CN106380003A (en) * 2016-09-30 2017-02-08 东莞市联洲知识产权运营管理有限公司 Aerobic granular sludge based on ferric oxide and phosphorus-accumulating bacteria, and preparation method thereof
CN106396089A (en) * 2016-09-30 2017-02-15 东莞市联洲知识产权运营管理有限公司 Magnetic active carbon aerobic granular sludge membrane bioreactor and preparation method thereof
CN106698654A (en) * 2016-12-21 2017-05-24 浙江工业大学 Method for using Fe3O4/C to alleviate MBR membrane pollution
CN109455799A (en) * 2017-09-06 2019-03-12 中科天龙(厦门)环保股份有限公司 A kind of New Magnetic Field Controlled kind and preparation method thereof for magnetic separation technique
CN110104792A (en) * 2019-05-08 2019-08-09 广东惠山生物科技有限公司 Artificial zoogloea of a kind of multi-orientation type based on wastewater treatment and preparation method thereof

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