CN208485664U - A kind of SBR system with aerobic particle mud denitrification functions - Google Patents
A kind of SBR system with aerobic particle mud denitrification functions Download PDFInfo
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- CN208485664U CN208485664U CN201820514504.9U CN201820514504U CN208485664U CN 208485664 U CN208485664 U CN 208485664U CN 201820514504 U CN201820514504 U CN 201820514504U CN 208485664 U CN208485664 U CN 208485664U
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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
Abstract
A kind of SBR system with aerobic particle mud denitrification functions belongs to aerobic particle mud denitrogenation technical field.The system is by multiple groups modular combination by modularization aerobic particle mud generating device distributing installation in the pond SBR, by modularization biological rope filler group frame distributing installation in the middle part of the pond SBR, the arrangement of modularization biological rope filler group frame increases system anaerobism-and the aerobic functional biological total amount of oxygen-.Air lift kinetic energy is formed using the density pressure difference generated under aeration operating condition, it recycles to let out to spray to be formed to revolve under potential difference and pressure official post fluid and mix, improve fluid velocity, enhance hydraulic shear, improve air path in water and residence time, and the utilization rate of oxygen is improved, it enables the system to quickly form aerobic particle mud, enhances the function and effect of SBR system ammonification, nitrification and denitrification.Modular combination, fast grouping installation carries out the system reform when can not shut down in SBR technique.
Description
Technical field
The utility model relates to a kind of aerobic sewage treatment technology be transformed into aerobic particle mud denitrification process method and
Device belongs to aerobic particle mud denitrogenation technical field, specifically a kind of SBR system with aerobic particle mud denitrification functions
System.
Technical background
SBR (Sequencing Batch Reactor Activated Sludge Process) is that sequence intermittent is living
Property sludge abbreviation, be a kind of activated sludge sewage disposal technology run by intermittent aerating mode, also known as batch-type is living
Property sludge.Mode of operation of the SBR technique using the mode of operation substitution space segmentation of time segmentation, unstable biochemical reaction
Stable state biochemical reaction is substituted, ideal precipitating is stood and substitutes traditional dynamic precipitation.The degradation of pollutant is in time one and pushes away
Stream process, and microorganism is then in aerobic, anoxic, among anaerobism cyclically-varying, acts on to reach pollutant removal, together
When also there is denitrogenation, phosphorus removal functional.Its orderly and intermittently operated being mainly characterized by operationally, sbr reactor Chi Ji homogenizing,
Just heavy, biodegrade, two functions such as heavy are in a pond, no sludge recirculation system.Its course of work can be divided into aeration, precipitate, strain water,
Idle four-stage, loop cycle carry out.
Aerobic particle mud (Aerobic Granular Sludge, AGS) is formed by microorganism self-cohesion action
Granulated activated sludge, compared with ordinary activated sludge, it, which has, is not susceptible to sludge bulking, strong shock resistance, can bear
High organic loading, the features such as integrating microorganism of different nature (aerobic and oxygen and anaerobe).The self-solidifying of microorganism
Collecting process is a complicated physics, chemistry and bioprocess, is granulated by a variety of such environmental effects, is oneself of microorganism
Cohesion provides suitable hydraulic shear and generallys use the big reactor of ratio of height to diameter and biggish aeration quantity, reactor too it is high again
Cause aeration energy consumption increase, this restrict aerobic particle mud (AGS) technology Practical Project application.
The denitrification process of biological treatment generally comprises three ammonification, nitrification and denitrification processes.
1. ammonification: the itrogenous organic substance in sewage, by aerobic or anaerobism heterotroph microorganism oxygen in biological treatment process
Change the process for being decomposed into ammonia nitrogen；
2. nitrification: the ammonia nitrogen in sewage is converted into NO under the action of nitrifier (aerobic autotrophic type microorganism)2-With
NO3-Process；
3. denitrification: the NO in sewage2-And NO3-Under anoxic conditions in the work of denitrifying bacterium (facultative heterotrophic bacterium)
N is reduced under2Process, it may be assumed that
NO2-+3H+(electronics donor-organic matter) --- 1/2N2+H2O+OH-
NO3-+5H+(electronics donor-organic matter) --- 1/2N2+2H2O+OH-
And the aerobic treatment processes such as existing SBR and its deformation technique, be all the operation of cotton-shaped activated sludge, process system without
Method provides hydraulic shear required for forming aerobic particle mud (AGS), be easy to cause load impact, carbon source is insufficient, sludge
The problems such as expansion, so that denitrification effect is undesirable.Therefore, on existing SBR aerobic treatment process, its distinctive operating condition is utilized
Condition improves the factors such as the dissolution oxygen gradient variable, carbon and nitrogen source mode of entrance, hydraulic shear of its operation, changes SBR system
Cause aerobic particle mud denitrification process, improve its carbon, nitrogen, phosphorus synchronization process efficiency be feasible.
Utility model content
For above situation, the purpose of the utility model is to provide a kind of SBR systems to be transformed into aerobic particle mud denitrogenation
The method and device of technique is transformed applied to existing SBR aerobic treatment process, improve its operation dissolution oxygen gradient variable,
The factors such as carbon and nitrogen source mode of entrance, hydraulic shear, make SBR system be transformed into aerobic particle mud denitrification process, improve it
Carbon, nitrogen, phosphorus synchronization process efficiency.
To achieve the goals above, the utility model uses following technical scheme:
The pond the SBR middle part of a kind of SBR system with aerobic particle mud denitrification functions, the SBR system is equipped with mould
Block biological rope filler group frame, the two sides of the group frame of modularization biological rope filler described in the pond SBR are equipped with modularization aerobic grain
Sludge generating device,
The modularization aerobic particle mud generating device, including gas gathering mask, riser, moisture trap, return pipe, company
Fixed frame, relief tube and aerator are connect, gas gathering mask is mounted on above aerator, and riser lower end is connected at the top of gas gathering mask, is mentioned
Riser upper end tangentially enters from moisture trap middle cylinder；Moisture trap is installed above gas gathering mask, the connection of return pipe upper end
In moisture trap bottom, return pipe lower end is arranged between gas gathering mask top surface and liquid level, and relief tube one end is connected to air water point
From device top, relief tube is another to be connected to liquid level or less；
The modularization biological rope filler group frame includes biological rope filler and filler support, and the suspension of biological rope filler is fixed on
On filler support, filler support immersion is fixed in pond.
It further, further include water inlet pipe, water decanter, air blower, air inlet pipe；The pond SBR is equipped with water inlet pipe and strains
Hydrophone, described air inlet pipe one end are connect with air blower, and the air inlet pipe other end is respectively connected to modules biologic packing material group frame
On the aerator of modularization aerobic particle mud generating device.
It further, further include promoting regulating valve, decompression control valve, pressure sensor, air volume regulating valve, water inlet control valve
And dissolved oxygen monitor；
Regulating valve is promoted to be mounted on riser,
Decompression control valve is mounted on relief tube,
Pressure sensor is mounted at the top of moisture trap,
Air volume regulating valve is separately mounted to the air inlet of each aerator,
Water inlet control valve is separately mounted on water inlet pipe,
The dissolved oxygen monitor is installed on modularization biologic packing material group frame top；
The promotion regulating valve, decompression control valve, pressure sensor, air volume regulating valve, water inlet control valve, dissolved oxygen monitoring
Instrument, water decanter and air blower are electrically connected to realize and automatically control with control centre.
Further, the riser upper end is horizontal tube, the nozzle jet direction of horizontal tube and erecting for moisture trap
Straight axis is vertical；The return pipe lower end is horizontal tube, and return pipe lower end is equipped with the mixed spray head of rotation, revolves the jet direction of mixed spray head
On horizontal plane.
Further, gas gathering mask is one kind of cone-shaped or truncated cone-shaped or prismoid shaped, and the bigger diameter end of gas gathering mask is under, path
End is upper.
Further, moisture trap bottom is taper.
Further, the distance between gas gathering mask bottom and aerator be-centimetre.
Further, pass through Connection Bracket between multiple modularization aerobic particle mud generating devices according to pond type
Or pot carries out parallel operation after the assembly of multiple groups modular combination, and passes through the fixation of fixed steel structure and Connection Bracket immersion
In pond.
The working method of the SBR system with aerobic particle mud denitrification functions, when operation, by water inlet, aeration,
It precipitates, strain four working stage cycle of modes work of water；
When water inlet, water inlet control valve, while the tolerance of opening module biologic packing material group frame lower part are opened by control centre
Regulating valve restarts all air volume regulating valves into full water；
In aeration phase, control centre adjusts each group air volume regulating valve and drum according to dissolved oxygen monitor feedback data respectively
The start and stop of blower work, and the air blower work of aeration phase is the mode that works intermittently or continuously, and control centre is according to gas-water separation
The pressure of device, which is adjusted, promotes regulating valve, the size of decompression control valve, and dissolved oxygen is controlled in 0.5-2.0mg/L, moisture trap
Pressure is in 0.05-0.45Mpa；Stop being aerated after the measured concentration of dissolved oxygen, time or pollutant reaches setting value；
Precipitate phase, control centre's control stop water inlet, stop air blower work, and precipitating starts to strain after reaching setting time
Water；
It strains the water stage, control centre starts water decanter draining.
When operation, the gas of aerator release is collected by gas gathering mask, and gas, liquid, solid mixture is quickly mentioned by riser
It rising and enters moisture trap, the material in the nozzle jetting flow moisture trap of riser upper end horizontal tube constantly rotates, then
Using potential difference, the material in moisture trap is back to above gas gathering mask by return pipe, and the horizonally projected jet for revolving mixed spray head is continuous
The material rotation in pond is driven, liquid, the mixed sinking of solid mixture rotation return to below gas gathering mask in pond, discharge again with aerator
Gas mixing, form quick systemic circulation；Control centre promotes regulating valve and decompression control valve control gas-water separation by adjusting
The pressure of device is in 0.05-0.45MPa, to increase the fluid circulation flow velocity inside and outside air residence time in water and device.
The method and device that the utility model SBR system is transformed into aerobic particle mud denitrification process has the advantage that
(1) modularization aerobic particle mud generating device (MAGSG) smart structural design, simple, hydraulic shear is big, oxygen
Utilization rate improve.It is transformed for existing SBR and its deformation technique, is formed using the density pressure difference generated under aeration operating condition
Air lift kinetic energy is recycled to let out to spray to be formed to revolve under potential difference and pressure official post fluid and be mixed, improves fluid velocity, enhance waterpower and cut
Shear force improves air path in water and residence time, and improves the utilization rate of oxygen, enables the system to quickly be formed aerobic
Granule sludge.
(2) arrangement of modularization biological rope filler group frame increases system anaerobism-and the aerobic functional biological total amount of oxygen-, raw
Change reaction thrust to increase, impact resistance enhancing.
(3) function and effect of SBR system ammonification, nitrification and denitrification are enhanced, denitrification effect is more preferable.
(4) modular combination non-stop-machine fast grouping installation can carry out the system reform in SBR technique.
Detailed description of the invention
Fig. 1: aerobic particle mud generating device structural schematic diagram.
Fig. 2: aerobic particle mud generating device structure top view.
Fig. 3: modularization assembling aerobic particle mud generating device schematic diagram.
Fig. 4: modularization assembling aerobic particle mud generating device top view.
Fig. 5: the plan view of SBR system
Fig. 6: section (1-1) arrangement schematic diagram of SBR system
In figure: 1, gas gathering mask, 2, riser, 3, moisture trap, 4, return pipe, 5, the mixed spray head of rotation, 6, Connection Bracket,
7, relief tube, 8, aerator, 9, wall or tank body, 10, fixed steel structure, 11, control centre, 12, promotion regulating valve, 13, pressure
Sensor, 14, decompression control valve, 15, dissolved oxygen monitor, 16, modularization biologic packing material group frame, 17, water inlet control valve, 19,
Air volume regulating valve, 20, air blower, 22, water decanter, 23, biological rope filler, 24, filler support, 25, fixed frame.
Specific embodiment
The implementation of the utility model, which is not limited to following, to be further illustrated to the utility model seat below with reference to example, attached drawing
Embodiment.
Embodiment 1
The pond the SBR middle part of a kind of SBR system with aerobic particle mud denitrification functions, the SBR system is equipped with mould
Block biological rope filler group frame 16, it is aerobic that the two sides of the frame of modularization biological rope filler group described in the pond SBR 16 are equipped with modularization
Granule sludge generating device,
The modularization aerobic particle mud generating device, including gas gathering mask 1, riser 2, moisture trap 3, return pipe
4, Connection Bracket 6, relief tube 7 and aerator 8, gas gathering mask 1 are mounted on 8 top of aerator, and 2 lower end of riser is connected to gas collection
1 top of cover, 2 upper end of riser tangentially enters from 3 middle cylinder of moisture trap；Moisture trap 3 installs 1 top of gas gathering mask,
4 upper end of return pipe is connected to 3 bottom of moisture trap, and 4 lower end of return pipe is arranged between 1 top surface of gas gathering mask and liquid level, pressure release
7 one end of pipe is connected to 3 top of moisture trap, and relief tube 7 is another to be connected to liquid level or less；
The modularization biological rope filler group frame 16 includes biological rope filler 24 and filler support 25, and biological rope filler 24 is outstanding
Extension is fixed on filler support 25, and 25 immersion of filler support is fixed in pond.
It further, further include water inlet pipe, water decanter 22, air blower 20, air inlet pipe；The pond SBR is equipped with water inlet pipe
With water decanter 22, described air inlet pipe one end is connect with air blower 20, and the air inlet pipe other end is respectively connected to modules metaplasia object
On the aerator of filler group frame 16 and modularization aerobic particle mud generating device.
Further, further include promoted regulating valve 12, decompression control valve 14, pressure sensor 13, air volume regulating valve 19, into
Water control valve 17 and dissolved oxygen monitor 15；
Regulating valve 12 is promoted to be mounted on riser 2,
Decompression control valve 14 is mounted on relief tube 7,
Pressure sensor 13 is mounted at the top of moisture trap,
Air volume regulating valve 19 is separately mounted to the air inlet of each aerator,
Water inlet control valve 17 is separately mounted on water inlet pipe,
The dissolved oxygen monitor 15 is installed on 16 top of modularization biologic packing material group frame；
The promotion regulating valve 12, decompression control valve 14, pressure sensor 13, air volume regulating valve 19, water inlet control valve 17,
Dissolved oxygen monitor 15, water decanter 22 and air blower 20 are electrically connected to realize and automatically control with control centre 11.
Further, 2 upper end of riser is horizontal tube, nozzle jet direction and the moisture trap 3 of horizontal tube
Vertical axis is vertical；4 lower end of return pipe is horizontal tube, and 4 lower end of return pipe is equipped with the mixed spray head 5 of rotation, revolves penetrating for mixed spray head 5
Stream direction is on horizontal plane.
Further, gas gathering mask 1 is one kind of cone-shaped or truncated cone-shaped or prismoid shaped, and the bigger diameter end of gas gathering mask 1 is small under
Diameter end is upper.
Further, 3 bottom of moisture trap is taper.
Further, the distance between 1 bottom of gas gathering mask and aerator 8 are 5-50 centimetres.
Further, pass through Connection Bracket 6 between multiple modularization aerobic particle mud generating devices according to pond
Type or pot carry out parallel operation after the assembly of multiple groups modular combination, and pass through fixed steel structure 10 and 6 immersion of Connection Bracket
Be fixed in pond.2 upper end of riser tangentially enters from 3 middle cylinder of moisture trap, specifically, 2 upper end of riser is
It is connected into inside moisture trap 3 by horizontal tube, the jet direction of horizontal tube outlet is cutting for the radial section of moisture trap 3
Line direction.
Embodiment 2
The working method of the SBR system with aerobic particle mud denitrification functions,
When operation, by water inlet, aeration, precipitates, strains water four working stage cycle of modes work；
When water inlet, water inlet control valve 17, while opening module biologic packing material group frame lower part are opened by control centre 11
Air volume regulating valve 19 restarts all air volume regulating valves 19 into full water；
In aeration phase, control centre 11 adjusts each group air volume regulating valve according to 15 feedback data of dissolved oxygen monitor respectively
19 work with the start and stop of air blower 20, and the work of air blower 20 of aeration phase is the mode that works intermittently or continuously, control centre 11
It is adjusted according to the pressure of moisture trap 3 and promotes regulating valve 12, the size of decompression control valve 14, dissolved oxygen is controlled in 0.5-
2.0mg/L, the pressure of moisture trap 3 is in 0.05-0.45Mpa；It is set when the measured concentration of dissolved oxygen, time or pollutant reaches
Stop being aerated after definite value；
Precipitate phase, the control of control centre 11 stop water inlet, stop air blower 20 and work, precipitating is opened after reaching setting time
Beginning strains water；
It strains the water stage, control centre 11 starts water decanter 22 and drains.
When operation, the gas that aerator 8 discharges is collected by gas gathering mask 1, and gas, liquid, solid mixture is quick by riser 2
It is lifted into moisture trap 3, the material in the nozzle jetting flow moisture trap 3 of 2 upper end horizontal tube of riser constantly revolves
Turn, recycle potential difference, the material in moisture trap 3 is back to 1 top of gas gathering mask by return pipe 4, revolves the level of mixed spray head 5
Jet stream constantly drives the material in pond to rotate, and liquid in pond, solid mixture rotation is mixed sinks to returning to 1 lower section of gas gathering mask, again with
The gas mixing that aerator 8 discharges, forms quick systemic circulation；Control centre 11 promotes regulating valve 12 and pressure release adjusting by adjusting
Valve 14 controls the pressure of moisture trap 3 in 0.05-0.45MPa, to increase inside and outside air residence time in water and device
Fluid circulation flow velocity.
15-40 centimetres of 24 spacing of biological rope filler.
Claims (8)
1. a kind of SBR system with aerobic particle mud denitrification functions, which is characterized in that in the middle part of the pond SBR of the SBR system
Modularization biological rope filler group frame (16) is installed, the two sides installation of the frame of modularization biological rope filler group described in the pond SBR (16)
There is modularization aerobic particle mud generating device,
The modularization aerobic particle mud generating device, including gas gathering mask (1), riser (2), moisture trap (3), reflux
(4), Connection Bracket (6), relief tube (7) and aerator (8) are managed, gas gathering mask (1) is mounted on above aerator (8), riser
(2) lower end is connected at the top of gas gathering mask (1), and riser (2) upper end tangentially enters from moisture trap (3) middle cylinder；Air water
Separator (3) is installed above gas gathering mask (1), and return pipe (4) upper end is connected to moisture trap (3) bottom, return pipe (4) lower end
It is arranged in gas gathering mask (1) between top surface and liquid level, relief tube (7) one end is connected to moisture trap (3) top, relief tube (7)
It is another to be connected to liquid level or less；
The modularization biological rope filler group frame (16) includes biological rope filler (24) and filler support (25), biological rope filler
(24) suspension is fixed on filler support (25), and filler support (25) immersion is fixed in pond.
2. as described in claim 1 with aerobic particle mud denitrification functions SBR system, which is characterized in that further include into
Water pipe, water decanter (22), air blower (20), air inlet pipe；The pond SBR is equipped with water inlet pipe and water decanter (22), the air inlet
Pipe one end is connect with air blower (20), and the air inlet pipe other end is respectively connected to modules biological rope filler group frame (16) and mould
On the aerator of block aerobic particle mud generating device.
3. as claimed in claim 2 with the SBR system of aerobic particle mud denitrification functions, which is characterized in that further include mentioning
Rise regulating valve (12), decompression control valve (14), pressure sensor (13), air volume regulating valve (19), water inlet control valve (17) and molten
It solves oxygen monitor (15)；
Regulating valve (12) are promoted to be mounted on riser (2),
Decompression control valve (14) is mounted on relief tube (7),
Pressure sensor (13) is mounted at the top of moisture trap,
Air volume regulating valve (19) is separately mounted to the air inlet of each aerator,
Water inlet control valve (17) is separately mounted on water inlet pipe,
The dissolved oxygen monitor (15) is installed on modularization biological rope filler group frame (16) top；
The promotion regulating valve (12), decompression control valve (14), pressure sensor (13), air volume regulating valve (19), water inlet control
Valve (17), dissolved oxygen monitor (15), water decanter (22) and air blower (20) are electrically connected to realize certainly with control centre (11)
Dynamic control.
4. the SBR system with aerobic particle mud denitrification functions as described in claims 1 to 3 any one, feature exist
In riser (2) upper end is horizontal tube, and the nozzle jet direction of horizontal tube and the vertical axis of moisture trap (3) hang down
Directly；Return pipe (4) lower end is horizontal tube, and return pipe (4) lower end is equipped with rotation and mixes spray head (5), revolves the jet stream of mixed spray head (5)
Direction is on horizontal plane.
5. the SBR system with aerobic particle mud denitrification functions as described in claims 1 to 3 any one, feature exist
In gas gathering mask (1) is one kind of cone-shaped or truncated cone-shaped or prismoid shaped, and the bigger diameter end of gas gathering mask (1) is under, and miner diameter end is upper.
6. the SBR system with aerobic particle mud denitrification functions as described in claims 1 to 3 any one, feature exist
In moisture trap (3) bottom is taper.
7. the SBR system with aerobic particle mud denitrification functions as described in claims 1 to 3 any one, feature exist
In the distance between gas gathering mask (1) bottom and aerator (8) are 5-50 centimetres.
8. the SBR system with aerobic particle mud denitrification functions as described in claims 1 to 3 any one, feature exist
In by Connection Bracket (6) according to pond type or pot progress between multiple modularization aerobic particle mud generating devices
Parallel operation after the assembly of multiple groups modular combination, and being fixed on by fixed steel structure (10) and Connection Bracket (6) immersion
In pond.
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| CN201820514504.9U CN208485664U (en) | 2018-04-12 | 2018-04-12 | A kind of SBR system with aerobic particle mud denitrification functions |
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| CN201820514504.9U CN208485664U (en) | 2018-04-12 | 2018-04-12 | A kind of SBR system with aerobic particle mud denitrification functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439583A (en) * | 2018-04-12 | 2018-08-24 | 南宁绿智环保科技有限公司 | A kind of SBR system and its working method with aerobic particle mud denitrification functions |
| CN112028234A (en) * | 2020-09-14 | 2020-12-04 | 北京首创股份有限公司 | Method for transforming SBR treatment system into aerobic granular sludge system |
-
2018
- 2018-04-12 CN CN201820514504.9U patent/CN208485664U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439583A (en) * | 2018-04-12 | 2018-08-24 | 南宁绿智环保科技有限公司 | A kind of SBR system and its working method with aerobic particle mud denitrification functions |
| CN112028234A (en) * | 2020-09-14 | 2020-12-04 | 北京首创股份有限公司 | Method for transforming SBR treatment system into aerobic granular sludge system |
| CN112028234B (en) * | 2020-09-14 | 2022-05-03 | 北京首创股份有限公司 | Method for transforming SBR treatment system into aerobic granular sludge system |
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