CN1865167A - Bioreactor for disposing polluted water - Google Patents
Bioreactor for disposing polluted water Download PDFInfo
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- CN1865167A CN1865167A CNA2006100207657A CN200610020765A CN1865167A CN 1865167 A CN1865167 A CN 1865167A CN A2006100207657 A CNA2006100207657 A CN A2006100207657A CN 200610020765 A CN200610020765 A CN 200610020765A CN 1865167 A CN1865167 A CN 1865167A
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- biological
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- fluidized bed
- water
- biological filter
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
This invention discloses a waste water biological treatment reactor for organic waste water treatment, with higher efficient waste water biological treatment ability. This reactor comprises a biological fluidized bed section and a biological filter section, which are interconnected via the passage mounted at the bottom board, and at the passage sets up a structure that can reflux the biological carrier from the biological filter section back to the biological fluidized bed section. This reactor organically combines the high efficient fluidized bed technology and high loaded biological filtration technology, with both high efficiency and high load properties. In the meantime, the reactor overcomes the disadvantages that the biological carrier of biological fluidized bed is easy to leak and the filling material of biological filter is easy to block and needs periodic backwash. This reactor is characterized of small accommodation area, superior treatment ability, high water quality, low construction and operation cost, and simple operation, which makes this waste water treatment system specifically suitable for community waste water treatment, and is a efficient supplement for current large urban waste water treatment equipments.
Description
Technical field
The present invention relates to a kind of sewage disposal device, in particular for the bioreactor for disposing polluted water of organic sewage processing.
Background technology
Be used for the reactor that organic sewage is handled, be mainly used in the organic pollutant that will contain in the sewage by action of microorganisms with pollutent katabolism etc., thereby reach the purpose of purification.At present, biologic process for treating sewage is to adopt such as technologies such as oxidation ditch process, activated sludge process, upflowing mud technology, organism fluidization bed process, biological filters, its main purpose is the biological concentration and the biological activity of raising system, by the katabolism of microorganism in the system, reach the organic purpose of removing in the sewage.Employed equipment is independently used respectively in a Sewage treatment systems or in the sewage disposal device usually in the above-mentioned biologic process for treating sewage, though various treatment technology and technology all have its characteristics separately, also exists not enough.
With the high-performance bio fluidized-bed process is example, and fluidized-bed reactor is a kind of mixing mass transfer between solid particulate (bio-carrier) and gas phase, liquid phase, gas-liquid are mutually, equipment of heat transfer realized.It is different with traditional fixed-bed reactor, solia particle is suspended in liquid (gas) body and strenuous exercise all the time in the bed, free-flowing property with similar liquids, thereby strengthened the mass transfer process of material greatly, improved speed of response, have more superiority for catalyst life occasion short or frequent regeneration, this is able in industrial widespread use fluidization.Biological fluidized-bed reactor uses bio-carrier, bio-carrier to have big specific surface area, makes the concentration height of microorganism, volumetric loading rate and mud load rate height, mass transfer is fast, detergent power is strong.But traditional biological fluidized bed also has its weak point, the fluidization property big as energy consumption, that fluidized-bed is inner is very complicated to have caused difficulty, mud-water separation to rely on activated sludge settling property by action of gravity so that separation efficiency to amplification design, and in the process of using as the solid particulate of microbe carrier problem such as loss easily.
With the biological aerated filter process is example, and the particulate filler that uses in the BAF (bio-carrier) surface growth has microbial film, the effluent stream filter material, and Chi Dize provides aeration, makes the organism in the waste water obtain oxidation stability.BAF has that floor space is little, treatment effect good, can obtain high-quality water outlet, satisfies the reuse requirement.BAF integrates filtration, biological absorption and biological metabolism, and high soil removal efficiency is arranged, and its capacity of resisting impact load is strong simultaneously, can adapt to come the bigger fluctuation of the water yield and concentration, and its flow process is simple, saves energy consumption.But this technology is after using for some time, need to utilize the water outlet after handling to carry out back flushing termly, the active sludge of getting rid of propagation, and the technological process of sewage disposal must be deadlocked during back flushing, making its entire sewage treating processes is not a successive treating processes, has influenced processing efficiency.
As from the foregoing,, also do not occur advantage at present, simultaneously different process is combined in the equipment in order to efficiently to dispose of sewage in the independent treatment facility in conjunction with different process because device structure is different with technology and its characteristics and deficiency are respectively arranged.
Summary of the invention
Technical problem to be solved by this invention provides the higher bioreactor for disposing polluted water of a kind of efficient.
The technical solution adopted for the present invention to solve the technical problems is: this bioreactor for disposing polluted water comprises biological fluidized bed section and the biological filter section that is interconnected and separates by the segmentation dividing plate, and the bottom that is provided with the biological fluidized bed section of water-in is provided with aeration or water-distributing device.Be separated with distance extend between the bottom of the base plate of biological filter section and segmentation dividing plate from the biological fluidized bed section between, thereby form the passage that is communicated with between biological fluidized bed section and the biological filter section, be provided with at the passage place and can make bio-carrier be back to the structure of biological fluidized bed section from the biological filter section, the carrier that makes bio-carrier can also can be used as the biological filter as the carrier of fluidized-bed recycles.
Further be that described base plate tilts to the biological fluidized bed section from the biological filter section, thereby utilizes this structure to make bio-carrier 9 be back to biological fluidized bed section 1 from biological filter section 2.
The invention has the beneficial effects as follows: this reactor organically combines organism fluidization bed technique and biological filter technology, the advantage that had both kept original place science and engineering skill, the advantage of biological fluidized bed and the advantage of biological filter are fully played in a Sewage treatment systems, created brand-new sewage treatment process, overcome the shortcoming and defect of the easy loss of biological fluidized bed bio-carrier and easy obstruction of bio-filter stuffing and regular back flushing simultaneously, improved the efficient of biological sewage treatment greatly.This reactor floor space is little, and processing power is strong, and effluent quality height, construction cost are few, and working cost is low, and is simple to operate, and the especially suitable cell sewage disposal of this Sewage treatment systems is effectively replenishing of present large size city sewage disposal device.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Be labeled as among the figure: biological fluidized bed section 1, biological filter section 2, water distribution aeration device 3, segmentation dividing plate 4, base plate 5, passage 6, dividing plate 7, water-in 8, bio-carrier 9, central dividing plate 10, filtering layer section 11, water exit end 12, settling tank section 13, central dividing plate 14, settling region 15, exhalant region 16.
Wherein illustrating arrow is the flowpaths cue mark of current.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1, bioreactor for disposing polluted water of the present invention comprises the biological fluidized bed section 1 and the biological filter section 2 that are interconnected and separate by segmentation dividing plate 4.Biological fluidized bed section 1 and biological filter section 2 can series arrangement be arranged, also can radially be provided with one heart.Sewage from biological fluidized bed section 1 top or the water-in 8 that is provided with of bottom enter, the bottom of biological fluidized bed section 1 is provided with water distribution aeration device 3.Water distribution aeration device 3 can adopt water-distributing device or aerating apparatus separately, but also water-distributing device and aerating apparatus are united use, and one of its effect is for providing bio-carrier 9 to form the power of fluidized state in this section.Be separated with distance and form passage 6 extend between the bottom of the base plate 5 of biological filter section 2 and segmentation dividing plate 4 from biological fluidized bed section 1 between, this passage 6 will be sent into biological filter section 2 through the water after 1 processing of organism fluidization section and handle.Passage 6 places are provided with and can make bio-carrier 9 be back to the structure of biological fluidized bed section 1 from biological filter section 2, be used for and be back in the biological fluidized bed section 1 along with the bio-carrier that current are sent into biological filter section 2 and formed the bio-carrier filtering layer, be beneficial to microbial film is carried out demoulding and replacing, make it constantly obtain new microbial film.
It is above-mentioned that to make bio-carrier 9 be back to the mode that the structure of biological fluidized bed section 1 can adopt from biological filter section 2 a lot, for example adopt mechanically operated mode, in bio-carrier filtering layer bottom modes such as reflux line are set separately, but for simplified construction and its biofilter material 9 circulating automatically between biological fluidized bed section 1 and biological filter section 2 finished, described base plate 5 can be obliquely installed, its base plate 5 is tilted to biological fluidized bed section 1 from biological filter section 2, just make its base plate 5 be higher than the position that is positioned at biological fluidized bed section 1 that end in the position of biological fluidized bed section 1 one ends, and preferably make its described base plate 5 extend to water distribution aeration device 3 places of biological filter section 2, thereby enter fluidized state.
Design and layout by said structure, make the mode of operation that has formed biological fluidized bed and biological filter polyphone layout in the bioreactor for disposing polluted water of the present invention, form the fluidized state and the working order of bio-carrier 9 in the biological filter of bio-carrier 9 in the fluidized-bed in the reactor, the bio-carrier 9 that uses in the system was both used as the carrier of biological fluidized bed, also used as the carrier in the biological filter.In use, by water distribution aeration device 3, the microorganism of growth carries out abundant fluidisation mass transfer with sewage on the bio-carrier 9 in biological fluidized bed section 1, organism in the sewage is carried out metabolism to be removed, the microbial film of growing on the bio-carrier 9 carries out demoulding and replacing by the moving process of fluidized with microbial film simultaneously, constantly obtain new microbial film, and keep biological concentration higher in the system; Bio-carrier 9 is after moving to biological filter section 2, bio-carrier 9 overcomes waterpower rising power by deadweight, be deposited to biological filter section 2, under the lifting of waterpower rising power, form the bio-carrier filtering layer, bio-carrier is carried out a biological disposal upon to sewage as the filtrate of biological filter for 9 this moments, because the effect of bio-carrier filtering layer, bio-carrier 9 is all dammed, bio-carrier 9 in the reactor does not run off, simultaneously the bio-carrier filtering layer at bio-carrier 9 under the effect of gravity, the made bio-carrier 9 that is provided with along passage 6 places is back to the structure of biological fluidized bed section 1 from biological filter section 2, slowly water distribution aeration device 3 places in the biological fluidized bed section 1 of reactor move, when bio-carrier 9 moves to biological fluidized bed section 1, bio-carrier 9 participates in carrying out abundant fluidisation mass transfer with sewage in the fluidized-bed as the carrier of fluidized-bed again, this process is circulation repeatedly in reactor, makes total system obtain good treatment effect and efficient.
In order further to improve its processing efficiency, biological fluidized bed section 1 is divided at least two zones of intercommunication up and down by dividing plate 7, for example utilize two dividing plates 7 that biological fluidized bed section 1 is divided into three zones of intercommunication up and down, water distribution aeration device 3 is arranged on region intermediate, its bio-carrier 9 can contacted with sewage more fully, provide condition for improving processing efficiency and reaching better treatment effect.
Biological filter section 2 is divided into filtering layer section 11 and water exit end 12 by central dividing plate 10, upwards increase gradually because filtering layer section 11 partial cross sections are long-pending, the waterpower upflow velocity reduces gradually, make the abundant sedimentation of bio-carrier, the vertex of central dividing plate 10 is lower than the lower-most point of the water-in 8 of biological fluidized bed section 1, the water outlet of water exit end 12 is arranged on the bottom, makes its water level that is in the biological filter section 2 of biological fluidized bed section 1 rear end be lower than the water level of front end biological fluidized bed section 1 so always.
Integrated degree for further reactor, water exit end 12 in biological filter section 2 is connected with settling tank section 13, settling tank section 13 is divided into settling region 15 and exhalant region 16 by central dividing plate 14, the vertex of the central dividing plate 14 of settling tank section 13 is lower than the vertex of the central dividing plate 10 of biological filter section 2, and the water outlet of exhalant region 16 is arranged on the bottom.
Embodiment: as shown in Figure 1, bioreactor for disposing polluted water of the present invention comprises the biological fluidized bed section 1 and the biological filter section 2 that are interconnected and separate by segmentation dividing plate 4.Biological fluidized bed section 1 is provided with water-in 8, and the bottom of biological fluidized bed section 1 is provided with water distribution aeration device 3.Base plate 5 extends to the water distribution aeration device 3 of biological filter section 2 from biological fluidized bed section 1, is separated with distance and forms passage 6 between between the bottom of segmentation dividing plate 4 and the base plate 5.Above-mentioned base plate 5 is obliquely installed, and its base plate 5 is tilted to biological fluidized bed section 1 from biological filter section 2.Biological fluidized bed section 1 is divided into three zones of intercommunication up and down by two dividing plates 7, and water distribution aeration device 3 is arranged on region intermediate.Biological filter section 2 is divided into filtering layer section 11 and water exit end 12 by central dividing plate 10, the vertex of central dividing plate 10 is lower than the lower-most point of the water-in 8 of biological fluidized bed section 1, the water outlet of water exit end 12 is arranged on the bottom, makes its water level that is in the biological filter section 2 of biological fluidized bed section 1 rear end be lower than the water level of front end biological fluidized bed section 1 so always.Water exit end 12 in biological filter section 2 is connected with settling tank section 13, settling tank section 13 is divided into settling region 15 and exhalant region 16 by central dividing plate 14, the vertex of the central dividing plate 14 of settling tank section 13 is lower than the vertex of the central dividing plate 10 of biological filter section 2, and the water outlet of exhalant region 16 is arranged on the bottom.
Claims (7)
1, bioreactor for disposing polluted water, it is characterized in that: comprise the biological fluidized bed section (1) and the biological filter section (2) that are interconnected and separate by segmentation dividing plate (4), the bottom that is provided with the biological fluidized bed section (1) of water-in (8) is provided with water distribution aeration device (3), be separated with distance and form passage (6) extend between the bottom of the base plate (5) of biological filter section (2) and segmentation dividing plate (4) from biological fluidized bed section (1) between, passage (6) is located to be provided with and can be made bio-carrier (9) be back to the structure of biological fluidized bed section (1) from biological filter section (2).
2, bioreactor for disposing polluted water as claimed in claim 1 is characterized in that: described base plate (5) tilts to biological fluidized bed section (1) from biological filter section (2).
3, bioreactor for disposing polluted water as claimed in claim 1 is characterized in that: described base plate (5) extends to the water distribution aeration or the device (3) of biological filter section (2) and locates.
4, bioreactor for disposing polluted water as claimed in claim 1 is characterized in that: biological fluidized bed section (1) is divided at least two zones of intercommunication up and down by dividing plate (7).
5, bioreactor for disposing polluted water as claimed in claim 4 is characterized in that: two dividing plates (7) are divided into three zones of intercommunication up and down with biological fluidized bed section (1), and water distribution aeration device (3) is arranged on region intermediate.
6, bioreactor for disposing polluted water as claimed in claim 1, it is characterized in that: biological filter section (2) is divided into filtering layer section (11) and water exit end (12) by central dividing plate (10), the vertex of central dividing plate (10) is lower than the lower-most point of the water-in (8) of biological fluidized bed section (1), and the water outlet of water exit end (12) is arranged on the bottom.
7, bioreactor for disposing polluted water as claimed in claim 6, it is characterized in that: the water exit end of biological filter section (2) is connected with settling tank section (13), settling tank section (13) is divided into settling region (15) and exhalant region (16) by central dividing plate (14), the vertex of the central dividing plate (14) of settling tank section (13) is lower than the vertex of the central dividing plate (10) of biological filter section (2), and the water outlet of exhalant region (16) is arranged on the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100207657A CN1865167A (en) | 2006-04-24 | 2006-04-24 | Bioreactor for disposing polluted water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100207657A CN1865167A (en) | 2006-04-24 | 2006-04-24 | Bioreactor for disposing polluted water |
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| Publication Number | Publication Date |
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| CN1865167A true CN1865167A (en) | 2006-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006100207657A Pending CN1865167A (en) | 2006-04-24 | 2006-04-24 | Bioreactor for disposing polluted water |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962252A (en) * | 2010-09-16 | 2011-02-02 | 天津市农业资源与环境研究所 | Local circulating oxygen supply biomembrane reacting device |
| CN102285739A (en) * | 2010-06-17 | 2011-12-21 | 中国环境科学研究院 | BCMB (Buffering Circulating MediaBiological Bed) treatment method for high-concentration toxic organic waste water |
| CN102730819A (en) * | 2011-04-11 | 2012-10-17 | 北京格兰特膜分离设备有限公司 | Directional-circulation fluid bed biological reaction apparatus |
| CN103508638A (en) * | 2013-10-15 | 2014-01-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor |
| CN105060624A (en) * | 2015-07-30 | 2015-11-18 | 天津霍普环保科技有限公司 | Sewage treatment biochemical reaction tank |
-
2006
- 2006-04-24 CN CNA2006100207657A patent/CN1865167A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285739A (en) * | 2010-06-17 | 2011-12-21 | 中国环境科学研究院 | BCMB (Buffering Circulating MediaBiological Bed) treatment method for high-concentration toxic organic waste water |
| CN101962252A (en) * | 2010-09-16 | 2011-02-02 | 天津市农业资源与环境研究所 | Local circulating oxygen supply biomembrane reacting device |
| CN101962252B (en) * | 2010-09-16 | 2012-07-11 | 天津市农业资源与环境研究所 | Local circulating oxygen supply biomembrane reacting device |
| CN102730819A (en) * | 2011-04-11 | 2012-10-17 | 北京格兰特膜分离设备有限公司 | Directional-circulation fluid bed biological reaction apparatus |
| CN103508638A (en) * | 2013-10-15 | 2014-01-15 | 上海纳米技术及应用国家工程研究中心有限公司 | Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor |
| CN105060624A (en) * | 2015-07-30 | 2015-11-18 | 天津霍普环保科技有限公司 | Sewage treatment biochemical reaction tank |
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Open date: 20061122 |