CN109809639A - A kind of high-efficient denitrification and dephosphorization sewage disposal system - Google Patents
A kind of high-efficient denitrification and dephosphorization sewage disposal system Download PDFInfo
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- CN109809639A CN109809639A CN201910170436.8A CN201910170436A CN109809639A CN 109809639 A CN109809639 A CN 109809639A CN 201910170436 A CN201910170436 A CN 201910170436A CN 109809639 A CN109809639 A CN 109809639A
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- sedimentation basin
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Abstract
A kind of high-efficient denitrification and dephosphorization sewage disposal system, including pre- denitrification tank, anaerobic pond, anoxic pond, aerobic tank, the first blower and the second blower;Anaerobic pond is between pre- denitrification tank and anoxic pond;The input terminal of anaerobic pond is connected to pre- denitrification tank;The output end of anaerobic pond is connected to anoxic pond;The output end of anoxic pond is connected to the first sedimentation basin;First sedimentation basin is connected to mobile biological bed reactor;First precipitating bottom of pond portion is additionally provided with the first return pipe, and the first return pipe other end is connected to pre- denitrification tank;The output end of mobile biological bed reactor is connected to the second sedimentation basin;Second sedimentation basin is equipped with drainpipe, and the second precipitating bottom of pond portion is equipped with sludge pipe;The second return pipe is additionally provided on second sedimentation basin, the other end of the second return pipe is connected to anoxic pond;The blowing direction of first blower moves biological bed reactor towards aerobic tank, the blowing direction direction of the second blower.The present invention can play the role of high-efficient denitrification and dephosphorization, and to the high treating effect of sewage, treatment effeciency is high.
Description
Technical field
The present invention relates to technical field of sewage more particularly to a kind of high-efficient denitrification and dephosphorization sewage disposal systems.
Background technique
It is discharged into a certain water body or reusable standard to reach sewage, needs to purify it, sewage treatment
It is widely used in the every field such as building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment and food and drink, also gets over
Come into the daily life of common people more, classify by sewage source, sewage treatment be generally divided into production sewage treatment and
Sanitary sewage disposal, production waste includes trade effluent, rural sewage and medical sewage etc., and sanitary sewage is exactly daily life
The raw sewage of life birth, refers to the complex mixture of various forms of inorganic matters and organic matter, and the size including floating and suspending is solid
Body particle, glue and gel diffusate and pure solution are divided by the matter of water dirt, and the pollution of water is divided into natural pollution and people
For two kinds of pollution, currently biggish to water body harm is artificial pollution, and water pollution can mainly divide according to the difference of pollution impurity
For chemical contamination, physical pollution and biologic contamination three categories, pollutant mainly has Industry Waste that is unprocessed and discharging
Water, unprocessed and discharge sanitary sewage and farmland sewage etc.;
Often contain a large amount of nitrogen and P elements in sewage, is easy to cause water eutrophication, and then to ecological environment band
Carry out baneful influence, and existing sewage treatment process is difficult to efficiently except the nitrogen and phosphorus in decontaminated water, Nitrogen/Phosphorus Removal is bad,
Denitrogenation dephosphorizing low efficiency.
Summary of the invention
(1) goal of the invention
To solve technical problem present in background technique, the present invention proposes a kind of high-efficient denitrification and dephosphorization sewage disposal system, energy
Enough play the role of high-efficient denitrification and dephosphorization, to the high treating effect of sewage, treatment effeciency is high.
(2) technical solution
To solve the above problems, the invention proposes a kind of high-efficient denitrification and dephosphorization sewage disposal system, including pre- denitrification tank, anaerobism
Pond, anoxic pond, aerobic tank, the first blower and the second blower;
Anaerobic pond is between pre- denitrification tank and anoxic pond;The input terminal of anaerobic pond is connected to pre- by the connecting tube with check valve
Denitrification tank, sewage enter anaerobic pond by pre- denitrification tank;The output end of anaerobic pond is connected to anoxic by the connecting tube with check valve
Pond, sewage enter anoxic pond by anaerobic pond;The output end of anoxic pond is connected to the first sedimentation basin by the connecting tube with check valve,
Sewage enters the first sedimentation basin by anoxic pond;
First sedimentation basin is connected to mobile biological bed reactor by the connecting tube with check valve, and sewage is entered by the first sedimentation basin
Mobile biological bed reactor;First precipitating bottom of pond portion is additionally provided with the first return pipe, and the first return pipe other end is connected to pre- denitrification tank;
The output end of mobile biological bed reactor is connected to the second sedimentation basin by the connecting tube of check valve, and sewage is by moving biological bed
Reactor enters the second sedimentation basin;Second sedimentation basin is equipped with drainpipe, and the second precipitating bottom of pond portion is equipped with sludge pipe;Second precipitating
The second return pipe is additionally provided on pond, the other end of the second return pipe is connected to anoxic pond;
The blowing direction of first blower moves biological bed reactor towards aerobic tank, the blowing direction direction of the second blower.
Preferably, impeller is equipped in pre- denitrification tank.
Preferably, impeller is equipped in anaerobic pond.
Preferably, impeller is equipped in anoxic pond.
Preferably, the first sedimentation basin is funnel-shaped structure.
Preferably, the first return pipe is equipped with check valve and slush pump, and check valve is located at close to the position of pre- denitrification tank,
Slush pump is located at close to the position of the first sedimentation basin.
Preferably, the second sedimentation basin is funnel-shaped structure.
Preferably, the second return pipe is equipped with check valve and water pump, and check valve is located at close to the position of anoxic pond, water pump
Positioned at the position close to the second sedimentation basin.
Preferably, the density of filler and the similar density of water in mobile biological bed reactor.
Preferably, the water outlet of mobile biological bed reactor is equipped with film Cut-off net.
Above-mentioned technical proposal of the invention has following beneficial technical effect:
By the way that the first sedimentation basin is arranged, poly- phosphorus sludge and nitrifying sludge system are separated, sludge can be controlled respectively, by using shifting
Dynamic biological bed reactor carries out nitration reaction, uses new packing as carrier in mobile biological bed reactor, and biomass is very high,
Nitrifier quantity can be improved, and then significantly improve ammonia nitrogen removal effect, since ammonia nitrogen can be abundant in mobile biological bed reactor
Nitrate nitrogen is converted to, good basis has been established for the removal of system total nitrogen, has improved wastewater treatment efficiency and sewage treating efficiency;
By suitable control, aerobic tank is only completed poly- phosphorus effect, and avoiding a large amount of mineralized nitrogens is nitrate nitrogen, can reduce sludge reflux
Furthermore nitrate concentration increases pre- denitrification tank before anaerobic pond, can also reduce influence of the reflux nitrate to anaerobic phosphorus release process;
The collision and shear action of carrier in water in mobile biological bed reactor, keeps air bubble more tiny, increases
The utilization rate of oxygen, and each carrier organism amount is very high, each carrier is a microreactor, and it is anti-to be substantially carried out nitrification
It answers, treatment effect can be effectively improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-efficient denitrification and dephosphorization sewage disposal system proposed by the present invention.
Appended drawing reference: 1, pre- denitrification tank;2, anaerobic pond;3, anoxic pond;4, aerobic tank;5, the first sedimentation basin;6, mobile life
Object bed reactor;7, the second sedimentation basin;8, impeller;9, the first blower;10, the second blower.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Fig. 1 is a kind of structural schematic diagram of high-efficient denitrification and dephosphorization sewage disposal system proposed by the present invention.
As shown in Figure 1, a kind of high-efficient denitrification and dephosphorization sewage disposal system proposed by the present invention, including pre- denitrification tank 1, anaerobism
Pond 2, anoxic pond 3, aerobic tank 4, the first blower 9 and the second blower 10;
Anaerobic pond 2 is between pre- denitrification tank 1 and anoxic pond 3;The input terminal of anaerobic pond 2 is connected by the connecting tube with check valve
Lead to pre- denitrification tank 1, sewage enters anaerobic pond 2 by pre- denitrification tank 1;The output end of anaerobic pond 2 passes through the connecting tube with check valve
It is connected to anoxic pond 3, sewage enters anoxic pond 3 by anaerobic pond 2;It is equipped with impeller 8 in pre- denitrification tank 1, is equipped with plug-flow in anaerobic pond 2
Device 8, anoxic pond 3 is interior to be equipped with impeller 8;The output end of anoxic pond 3 is connected to the first sedimentation basin by the connecting tube with check valve
5, sewage enters the first sedimentation basin 5 by anoxic pond 3;
First sedimentation basin 5 is connected to mobile biological bed reactor 6 by the connecting tube with check valve, and sewage is by the first sedimentation basin 5
Into mobile biological bed reactor 6;First sedimentation basin, 5 bottom is additionally provided with the first return pipe, and the connection of the first return pipe other end is pre-
Denitrification tank 1;First return pipe is equipped with check valve and slush pump, and check valve is located at close to the position of pre- denitrification tank 1, slush pump
Positioned at the position close to the first sedimentation basin 5;
The output end of mobile biological bed reactor 6 is connected to the second sedimentation basin 7 by the connecting tube of check valve, and sewage is by moving biology
Bed reactor 6 enters the second sedimentation basin 7;Second sedimentation basin 7 is equipped with drainpipe, and 7 bottom of the second sedimentation basin is equipped with sludge pipe;The
The second return pipe is additionally provided on two sedimentation basins 7, the other end of the second return pipe is connected to anoxic pond 3;Second return pipe is equipped with single
To valve and water pump, and check valve is located at close to the position of anoxic pond 3, and water pump is located at close to the position of the second sedimentation basin 7;
The blowing direction of first blower 9 moves biological bed reactor 6 towards aerobic tank 4, the blowing direction direction of the second blower 10.
In an alternative embodiment, the first sedimentation basin 5 is funnel-shaped structure.
In an alternative embodiment, the second sedimentation basin 7 is funnel-shaped structure.
In an alternative embodiment, the density of filler and the similar density of water in mobile biological bed reactor 6, are exposing
When gas, filler can be thoroughly mixed with water.
In an alternative embodiment, the water outlet of mobile biological bed reactor 6 is equipped with film Cut-off net, can prevent from moving
Dynamic bed biomembrane flows away with water.
In the present invention, sewage enters pre- denitrification tank 1 first, and pre- denitrification tank 1 plays the nitrate nitrogen in removal sewage, reduces
Later to the influence for the treatment of process in anaerobic pond 2;Then sewage enters anaerobic pond 2 from pre- denitrification tank 1, completes in anaerobic pond 2
The process of anaerobic phosphorus release, while absorbing carbon source synthesis PHB;Then sewage enters anoxic pond 3 from anaerobic pond 2, anti-in anoxic pond 3
Nitrifier completes denitrogenation by electron donor of organic matter;Then sewage enters aerobic tank 4, the master that aerobic tank 4 plays from anoxic pond 3
Act on is to complete the poly- phosphorus of excess by electron acceptor of oxygen, while decomposing the PHB synthesized in anaerobic pond 2;Then sewage is from good
Oxygen pond 4 enters the first sedimentation basin 5, carries out mud-water separation in the first sedimentation basin 5, a part of sludge reflux to pre- denitrification tank, and one
Partial sludge is discharged away;Then supernatant enters in mobile biological bed reactor 6 from the first sedimentation basin 5, which rises
To the effect of efficient removal ammonia nitrogen, be mainly translated into nitrate, and aoxidize rest COD etc., it is anti-finally to move biological bed
It answers the water outlet of device 6 to enter the second sedimentation basin 7, mud-water separation is carried out in the second sedimentation basin 7, a part of supernatant is back to anoxic pond
3 carry out preposition denitrogenation, and a part of supernatant is discharged away;
By the first sedimentation basin 5 of setting, poly- phosphorus sludge and nitrifying sludge system are separated, sludge can be controlled respectively, by using
Mobile biological bed reactor 6 carries out nitration reaction, uses new packing as carrier, biomass in mobile biological bed reactor 6
It is very high, nitrifier quantity can be improved, and then significantly improve ammonia nitrogen removal effect, since ammonia nitrogen is in mobile biological bed reactor 6
It can be fully converted to nitrate nitrogen, established good basis for the removal of system total nitrogen;
By suitable control, aerobic tank 4 is only completed poly- phosphorus effect, and avoiding a large amount of mineralized nitrogens is nitrate nitrogen, can reduce sludge and return
Nitrate concentration is flowed, furthermore increases pre- denitrification tank 1 before anaerobic pond 2, can also reduce reflux nitrate to anaerobic phosphorus release process
It influences;
The collision and shear action of carrier in water in mobile biological bed reactor 6, keeps air bubble more tiny, increases
The utilization rate of oxygen, and each carrier organism amount is very high, each carrier is a microreactor, and it is anti-to be substantially carried out nitrification
It answers, treatment effect can be effectively improved.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of high-efficient denitrification and dephosphorization sewage disposal system, which is characterized in that including pre- denitrification tank (1), anaerobic pond (2), anoxic
Pond (3), aerobic tank (4), the first blower (9) and the second blower (10);
Anaerobic pond (2) is between pre- denitrification tank (1) and anoxic pond (3);The input terminal of anaerobic pond (2) is by having check valve
Connecting tube is connected to pre- denitrification tank (1), and sewage enters anaerobic pond (2) by pre- denitrification tank (1);The output end of anaerobic pond (2) passes through band
There is connecting tube connection anoxic pond (3) of check valve, sewage enters anoxic pond (3) by anaerobic pond (2);The output end of anoxic pond (3)
The first sedimentation basin (5) are connected to by the connecting tube with check valve, sewage enters the first sedimentation basin (5) by anoxic pond (3);
First sedimentation basin (5) is connected to mobile biological bed reactor (6) by the connecting tube with check valve, and sewage is by the first precipitating
Pond (5) enters mobile biological bed reactor (6);First sedimentation basin (5) bottom is additionally provided with the first return pipe and sludge pipe, and first time
The flow tube other end is connected to pre- denitrification tank (1);
The output end of mobile biological bed reactor (6) is connected to the second sedimentation basin (7) by the connecting tube of check valve, and sewage is by moving
Biological bed reactor (6) enters the second sedimentation basin (7);Second sedimentation basin (7) is equipped with drainpipe, the second sedimentation basin (7) bottom
Equipped with sludge pipe;The second return pipe is additionally provided on second sedimentation basin (7), the other end of the second return pipe is connected to anoxic pond (3);
For the blowing direction of first blower (9) towards aerobic tank (4), the blowing direction of the second blower (10) is anti-towards mobile biological bed
Answer device (6).
2. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that pre- denitrification tank (1)
It is interior to be equipped with impeller (8).
3. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that in anaerobic pond (2)
Equipped with impeller (8).
4. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that in anoxic pond (3)
Equipped with impeller (8).
5. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that the first sedimentation basin
It (5) is funnel-shaped structure.
6. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that on the first return pipe
Equipped with check valve and slush pump, and check valve is located at close to the position of pre- denitrification tank (1), and slush pump is located at close to the first sedimentation basin
(5) position.
7. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that the second sedimentation basin
It (7) is funnel-shaped structure.
8. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that on the second return pipe
Equipped with check valve and water pump, and check valve is located at close to the position of anoxic pond (3), and water pump is located at close to the second sedimentation basin (7)
Position.
9. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that mobile biological bed is anti-
Answer the density of device (6) interior filler and the similar density of water.
10. a kind of high-efficient denitrification and dephosphorization sewage disposal system according to claim 1, which is characterized in that mobile biological bed
The water outlet of reactor (6) is equipped with film Cut-off net.
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CN102826715A (en) * | 2012-09-12 | 2012-12-19 | 同济大学 | Sewage treatment method for nitrogen and phosphorus removal through combination of biofilm process and multilevel activated sludge process |
CN103121754A (en) * | 2011-11-18 | 2013-05-29 | 上海市政工程设计研究总院(集团)有限公司 | Denitrification and dephosphorization technique |
CN105461061A (en) * | 2015-12-31 | 2016-04-06 | 华南理工大学 | A<2>/O-biology synchronous nitrogen and phosphorus removal device and method for urban sewage |
CN106430861A (en) * | 2016-12-08 | 2017-02-22 | 重庆淏园环保科技有限公司 | Efficient MBBR (moving bed biofilm reactor) sewage treatment device and sewage treatment process thereof |
CN209740931U (en) * | 2019-03-07 | 2019-12-06 | 合肥格讯环保技术有限公司 | High-efficient nitrogen and phosphorus removal sewage treatment system |
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2019
- 2019-03-07 CN CN201910170436.8A patent/CN109809639A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103121754A (en) * | 2011-11-18 | 2013-05-29 | 上海市政工程设计研究总院(集团)有限公司 | Denitrification and dephosphorization technique |
CN102826715A (en) * | 2012-09-12 | 2012-12-19 | 同济大学 | Sewage treatment method for nitrogen and phosphorus removal through combination of biofilm process and multilevel activated sludge process |
CN105461061A (en) * | 2015-12-31 | 2016-04-06 | 华南理工大学 | A<2>/O-biology synchronous nitrogen and phosphorus removal device and method for urban sewage |
CN106430861A (en) * | 2016-12-08 | 2017-02-22 | 重庆淏园环保科技有限公司 | Efficient MBBR (moving bed biofilm reactor) sewage treatment device and sewage treatment process thereof |
CN209740931U (en) * | 2019-03-07 | 2019-12-06 | 合肥格讯环保技术有限公司 | High-efficient nitrogen and phosphorus removal sewage treatment system |
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