CN109928501A - A kind of high-performance bio fluidized-bed reactor - Google Patents
A kind of high-performance bio fluidized-bed reactor Download PDFInfo
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- CN109928501A CN109928501A CN201910279637.1A CN201910279637A CN109928501A CN 109928501 A CN109928501 A CN 109928501A CN 201910279637 A CN201910279637 A CN 201910279637A CN 109928501 A CN109928501 A CN 109928501A
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Abstract
The invention discloses a kind of high-performance bio fluidized-bed reactors, including reactor body, activated sludge cyclone separator is equipped in reactor body, which is characterized in that the inside of the activated sludge cyclone separator is the first anoxic zone, the bottom of reactor body is the second anoxic zone, top is aerobic zone, and the side of the second anoxic zone bottom is equipped with the first water inlet, and the other side is equipped with the first mud discharging mouth, the side of aerobic zone bottom is equipped with aeration general pipeline, and the top for being aerated general pipeline is equipped with the second water inlet；The side of activated sludge cyclone separator is equipped with tangential entry and taper seal pot, and the top of taper seal pot edge is equipped with the second mud discharging mouth, and the inner wall on column body top is equipped with overflow weir, and the side of overflow weir is connected to water outlet.Cloth of the present invention is uniform, and liquid-solid mass transfer effect is good, and highly integrated, occupied area is few, and energy loss is low, and resistance to Organic loading shock ability is strong, and hydraulic detention time is short, and treatment effeciency is high.
Description
Technical field
The present invention relates to a kind of high-performance bio fluidized-bed reactors, belong to technical field for the treatment of of organic waste.
Background technique
With the continuous propulsion of process of industrialization, discharged volume of industrial waste water is also growing day by day.Wherein mainly from printing and dyeing, make
The high concentration hard-degraded organic waste water of the industries such as paper is always the problem in waste water treatment field, and this kind of waste water COD concentration usually may be used
Up to tens of thousands of or even hundreds of thousands of mg/L, water hypoxia can be made, it is huge to ecological environment harm, also give daily life health care belt
Carry out many hidden danger.Currently, effective processing method relatively inexpensive for high concentrated organic wastewater be biological treatment, as A/O,
The methods of SBR, oxidation ditch, but according to actual operating state, all to there is treatment effeciency in traditional biological treatment not high, anti-mostly
Answer the disadvantages of pool volume is big, energy consumption is higher.Organism fluidization bed process is that carrier is outstanding by means of the liquid or gas flowed up
It floats among fluid, shows fluidized state, then in the microbial degradation sewage with apposition growth on particulate vector
Pollutant.It is small with compact-sized occupied area, microorganism concn is high, volumetric loading is big, biochemical reaction rate is high, mass transfer item
The features such as part is good, hydraulic loading ability to bear is strong, shows good application prospect in terms of water process.
Summary of the invention
The technical problems to be solved by the present invention are: how to improve the efficiency of biological fluidized-bed reactor, keep its cloth equal
Even, liquid-solid mass transfer effect is good, and highly integrated, occupied area is few, and energy loss is low, and resistance to Organic loading shock ability is strong, and waterpower is stopped
Stay the time short, treatment effeciency is high.
The technical proposal adopted by the invention to solve the above technical problems is that: a kind of high-performance bio fluidized-bed reactor, packet
Reactor body is included, is equipped with activated sludge cyclone separator in reactor body, which is characterized in that the activated sludge eddy flow point
Inside from device is the first anoxic zone, and the bottom of reactor body is the second anoxic zone, and top is aerobic zone, the second anoxic zone bottom
The side in portion is equipped with the first water inlet, and the other side is equipped with the first mud discharging mouth, and the side of aerobic zone bottom is equipped with aeration general pipeline, aeration
General pipeline is equipped with multiple disc type aeration plates, and the top for being aerated general pipeline is equipped with the second water inlet；Activated sludge cyclone separator includes
The upward cone in sequentially connected horn mouth, lower prop, bottom surface, column body from the bottom to top, the side of column body lower part, which is equipped with, cuts
To import, middle part is equipped with inner cylinder, the taper seal pot extended downwardly outward is equipped between inner cylinder and column body, taper is by liquid
Top at plate edge is equipped with the second mud discharging mouth, and the inner wall on column body top is equipped with overflow weir, the side of overflow weir and water outlet
Mouth connection；First mud discharging mouth, the first water inlet, aeration general pipeline, the second water inlet, water outlet, the second mud discharging mouth are from reactor master
Expose in the outer wall of body.
Preferably, the activated sludge cyclone separator and reactor body are coaxially disposed.
Preferably, the aerobic zone, the first anoxic zone, the ratio between interior building volume of the second anoxic zone are (2~3): 1:1.
Preferably, the angle between the taper seal pot and inner cylinder is 40 °~60 °.
Preferably, the diameter of the inner cylinder and the diameter of column body, lower prop the ratio of diameter be 1:(3~4): 1.
Preferably, the angle of the column body and cone junction is 120 °~135 °.
Preferably, the disc type aeration plate is distributed in the outer rim of lower prop；；Disc type aeration plate near lower prop is formed
Aeration circle diameter it is 10~20cm bigger than the diameter of horn mouth maximum cross-section.
Preferably, second mud discharging mouth tilts down, and the angle between reactor body outer wall is 85 °~90 °.
Preferably, the horn mouth extends downwardly and outwardly, and the angle between lower prop is 30 °~45 °.
The structure of built-in cyclone separator in the present invention can enhance water conservancy diversion, reduce dead zone, enhance the disturbance of anoxic zone
Property, solid (muddy water) mass transfer of forced fluid.
Activated sludge cyclone separator tangential entry in the present invention, can generate eddy flow fluidised form, enhance separation of solid and liquid
Effect.
Aerator of the present invention is evenly arranged on lower prop cylinder periphery using disc type aeration plate, can increase aeration area, it is ensured that
Aerobic zone dissolved oxygen concentration.
The second mud discharging mouth in the present invention slightly tilts down, and can reduce sludge resistance, prevents from blocking, it is suitable to be allowed to spoil disposal
Freely.
The present invention has invented a kind of collect the advantages of having merged cyclone separator again in traditional fluidization technical foundation
Oxygen, anoxic, precipitating function are in one, and highly integrated, land occupation is few, and low energy consumption, the good high-performance bio fluidized-bed reactor of effect.Energy
It is enough effectively solve in medium-sized and small enterprises' sewage disposal process because place is small, one-house show due to many problems for facing.
Detailed description of the invention
Fig. 1 is the schematic diagram of high-performance bio fluidized-bed reactor provided by the invention.
Specific embodiment
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
Embodiment
As shown in Figure 1, being a kind of high-performance bio fluidized-bed reactor provided by the invention, including reactor body, reaction
Activated sludge cyclone separator is equipped in device main body, which is characterized in that the inside of the activated sludge cyclone separator is first
Anoxic zone II, the bottom of reactor body are the second anoxic zone III, and top is aerobic zone I, the side of III bottom of the second anoxic zone
Equipped with the first water inlet 1, the other side is equipped with the first mud discharging mouth 15, and the side of I bottom of aerobic zone is equipped with aeration general pipeline 3, and aeration is total
Pipe 3 is equipped with multiple disc type aeration plates 13, and the top of aeration general pipeline 3 is equipped with the second water inlet 4；Disc type aeration plate 13 is distributed in down
The outer rim of cylinder 14；The diameter D1 of the aeration circle formed near the disc type aeration plate 13 of lower prop 14 is more maximum than horn mouth 2 to be cut
Big 10~the 20cm of diameter D2 in face, facilitates equipment installation and repairing and maintenance.
Activated sludge cyclone separator includes the cone that sequentially connected horn mouth 2, lower prop 14, bottom surface are upward from the bottom to top
The side of body 5, column body 12,12 lower part of column body is equipped with tangential entry 6, it is located in the middle part of column body, seal pot lower part.It can
Eddy flow fluidised form is generated, the effect of separation of solid and liquid is enhanced.Middle part is equipped with inner cylinder 9, is equipped between inner cylinder 9 and column body 12 outside
The top of the taper seal pot 8 extended downwardly, 8 edge of taper seal pot is equipped with the second mud discharging mouth 11,12 top of column body
Inner wall is equipped with overflow weir 7, and the side of overflow weir 7 is connected to water outlet 10；First mud discharging mouth 15, the first water inlet 1, aeration are total
Pipe 3, the second water inlet 4, water outlet 10, the second mud discharging mouth 11 expose from the outer wall of reactor body.The activated sludge rotation
Stream separator and reactor body are coaxially disposed.
Aerobic zone I, the first anoxic zone II, the ratio between interior building volume of the second anoxic zone III are (2~3): 1:1.
Angle α between taper seal pot 8 and inner cylinder 9 is 40 °~60 °.
The ratio of the diameter of inner cylinder 9 and the diameter of column body 12, the diameter of lower prop 14 is 1:(3~4): 1.
The angle β of column body 12 and 5 junction of cone is 120 °~135 °.
Second mud discharging mouth 11 tilts down, and the included angle between reactor body outer wall is 85 °~90 °, can subtract
Few sludge resistance, prevents from blocking, it is smooth to be allowed to spoil disposal.
Horn mouth 2 extends downwardly and outwardly, and the angle ω between lower prop 14 is 30 °~45 °, can enhance water conservancy diversion,
Dead zone is reduced, the perturbation of anoxic zone, solid (muddy water) mass transfer of forced fluid are enhanced.
Two water inlets are arranged in this reactor, and the first water inlet and the second water inlet, the first water inlet are located at the second anoxic
Area provides carbon source needed for denitrification, and the second water inlet is located at aerobic zone, and most of organic matter is by aerobic degradation.
Claims (9)
1. a kind of high-performance bio fluidized-bed reactor, including reactor body, reactor body is interior to be equipped with activated sludge eddy flow point
From device, which is characterized in that the inside of the activated sludge cyclone separator is the first anoxic zone (II), the bottom of reactor body
For the second anoxic zone (III), top is aerobic zone (I), and the side of the second anoxic zone (III) bottom is equipped with the first water inlet (1), separately
Side is equipped with the first mud discharging mouth (15), and the side of aerobic zone (I) bottom is equipped with aeration general pipeline (3), and aeration general pipeline (3) is equipped with more
The top of a disc type aeration plate (13), aeration general pipeline (3) is equipped with the second water inlet (4)；Activated sludge cyclone separator include by
Under the upward cone (5) in supreme sequentially connected horn mouth (2), lower prop (14), bottom surface, column body (12), column body (12)
The side of lower part is equipped with tangential entry (6), and middle part is equipped with inner cylinder (9), is equipped between inner cylinder (9) and column body (12) outside
The top of the taper seal pot (8) extended downwardly, taper seal pot (8) edge is equipped with the second mud discharging mouth (11), column body
(12) inner wall on top is equipped with overflow weir (7), and the side of overflow weir (7) is connected to water outlet (10)；First mud discharging mouth (15),
First water inlet (1), aeration general pipeline (3), the second water inlet (4), water outlet (10), the second mud discharging mouth (11) are from reactor body
Outer wall in expose.
2. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that the activated sludge cyclone separator
It is coaxially disposed with reactor body.
3. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that the aerobic zone (I), the first anoxic
Area (II), the ratio between the interior building volume of the second anoxic zone (III) are (2~3): 1:1.
4. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that the taper seal pot (8) with it is interior
Angle (α) between cylinder (9) is 40 °~60 °.
5. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that the diameter of the inner cylinder (9) with
The diameter of column body (12), the ratio of the diameter of lower prop (14) are 1:(3~4): 1.
6. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that the column body (12) and cone
(5) angle (β) of junction is 120 °~135 °.
7. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that the disc type aeration plate (13) is uniformly distributed
Outer rim in lower prop (14)；The diameter (D1) of the aeration circle formed near the disc type aeration plate (13) of lower prop (14) compares loudspeaker
Diameter (D2) big 10~20cm of mouth (2) maximum cross-section.
8. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that second mud discharging mouth (11) is downward
Inclination, the angle (φ) between reactor body outer wall are 85 °~90 °.
9. high-performance bio fluidized-bed reactor as described in claim 1, which is characterized in that the horn mouth (2) is downwardly and outwardly
Extend, the angle (ω) between lower prop (14) is 30 °~45 °.
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| CN201910279637.1A CN109928501A (en) | 2019-04-09 | 2019-04-09 | A kind of high-performance bio fluidized-bed reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453848A (en) * | 2020-06-01 | 2020-07-28 | 重庆大学 | Hydraulic energy-consumption-free composite bidirectional biological moving bed reactor |
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| CN102372353A (en) * | 2011-08-03 | 2012-03-14 | 东华大学 | Spiral-flow type crystal phosphorous removal reactor |
| CN104045148A (en) * | 2014-07-09 | 2014-09-17 | 中国电建集团中南勘测设计研究院有限公司 | Inner-loop three-phase biological fluidized bed type membrane bioreactor (MBR) |
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| CN206255890U (en) * | 2016-11-15 | 2017-06-16 | 苏州依斯倍环保装备科技有限公司 | Biological denitrification reactor |
| CN106865765A (en) * | 2017-03-06 | 2017-06-20 | 肇庆市鹏凯环保装备有限公司 | A kind of vertical microkinetic self-loopa efficient sewage treatment installation |
| CN109516637A (en) * | 2018-11-22 | 2019-03-26 | 中电环保股份有限公司 | A kind of energy-efficient Domestic sewage integrated treatment unit |
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2019
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153198A (en) * | 2010-12-02 | 2011-08-17 | 西安建筑科技大学 | Granular sludge sewage treatment device capable of controlling diameter and density of granules |
| CN102372353A (en) * | 2011-08-03 | 2012-03-14 | 东华大学 | Spiral-flow type crystal phosphorous removal reactor |
| CN104085986A (en) * | 2014-07-07 | 2014-10-08 | 东华大学 | Air-lifting type external-circulation vortex enhanced biological nitrogen-removal reactor |
| CN104045148A (en) * | 2014-07-09 | 2014-09-17 | 中国电建集团中南勘测设计研究院有限公司 | Inner-loop three-phase biological fluidized bed type membrane bioreactor (MBR) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111453848A (en) * | 2020-06-01 | 2020-07-28 | 重庆大学 | Hydraulic energy-consumption-free composite bidirectional biological moving bed reactor |
| CN111453848B (en) * | 2020-06-01 | 2021-06-22 | 重庆大学 | Zero-energy-consumption moving bed reactor for deep treatment of bacteria and algae |
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Application publication date: 20190625 |