CN108439582A - A kind of CASS systems and its working method with aerobic particle mud denitrification functions - Google Patents
A kind of CASS systems and its working method with aerobic particle mud denitrification functions Download PDFInfo
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- CN108439582A CN108439582A CN201810328188.0A CN201810328188A CN108439582A CN 108439582 A CN108439582 A CN 108439582A CN 201810328188 A CN201810328188 A CN 201810328188A CN 108439582 A CN108439582 A CN 108439582A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/109—Characterized by the shape
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/004—Apparatus and plants for the biological treatment of water, waste water or sewage comprising a selector reactor for promoting floc-forming or other bacteria
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/15—N03-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
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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 CASS systems and its working method with aerobic particle mud denitrification functions, the system is by multigroup modular combination by modularization aerobic particle mud generating means distributing installation in the main reaction region in the ponds CASS, by modularization biological rope filler group frame distributing installation in the pre-reaction zone in the ponds CASS and the aeration section of main reaction region, the arrangement of modularization biological rope filler group frame makes system anaerobism and the aerobic functional biological total amount of oxygen increase, biochemical reaction thrust increases, improve and control the biological total amount of each workshop section of CASS systems, carbon and nitrogen source mode of entrance, hydraulic shear, the factors such as dissolved oxygen concentration, it is set to be transformed into aerobic particle mud denitrification process, improve its carbon, nitrogen, the efficiency of phosphorus synchronization process.The present invention uses distributed multipoint water feeding, sludge reflux multiparty control to improve system carbon and nitrogen source mode of entrance, increases the variation of systemic concentration gradient, enhance the ammonification of CASS systems, nitrification and denitrification effect.
Description
Technical field
The present invention relates to the method and device that a kind of aerobic sewage treatment technology is transformed into aerobic particle mud denitrification process,
Belong to aerobic particle mud denitrogenation technical field, specifically a kind of CASS system reforms at aerobic particle mud denitrification process side
Method and device.
Technical background
CASS (Cyclic Activated Sludge System) is the abbreviation of cyclic activated sludge system, also known as
Circulating active sludge technique.CASS reaction tanks are designed as two parts along pond length direction, and front is biological selecting area and pre-reaction zone,
Rear portion is main reaction region, and main reaction region rear portion is mounted with liftable automatic slash water installations.Cyclic activated sludge system collection reaction, precipitation,
For drain function in one, the degradation of pollutant is a plug-flow process in time, and microorganism is then in aerobic, anoxic, detests
Among oxygen cyclically-varying, pollutant removal is acted on to reach, while also there is denitrogenation, phosphorus removal functional, the course of work
Aeration can be divided into, precipitate, strain water, idle four-stage, loop cycle carries 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 the suitable big reactor of hydraulic shear generally use ratio of height to diameter and larger aeration quantity, reactor too it is high again
Cause aeration energy consumption increase, this restrict aerobic particle mud (AGS) technology Practical Project application.
Biological treatment denitrification process generally comprises three ammonification, nitrification and denitrification processes.
1. ammonification：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. nitrifying：Ammonia nitrogen in sewage is converted into NO under the action of nitrifier (aerobic autotrophic type microorganism)2-With
NO3-Process；
3. denitrification：NO in sewage2-And NO3-Under anoxic conditions in the work of denitrifying bacterium (facultative heterotrophic bacterium)
It is reduced to N under2Process, i.e.,：
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 CASS and its deformation technique, all it is cotton-shaped activated sludge operation, process system
It can not provide to form aerobic particle mud (AGS) required hydraulic shear, be easy to cause load impact, carbon source is insufficient, dirty
The problems such as mud expands, so that denitrification effect is undesirable.Therefore, distinctive using its on existing CASS aerobic treatment processes
Working condition, improve biological total amount, carbon and nitrogen source mode of entrance, hydraulic shear, dissolved oxygen concentration of its each workshop section etc. because
Son makes the CASS system reforms at aerobic particle mud denitrification process, improve its carbon, nitrogen, phosphorus synchronization process efficiency be feasible.
Invention content
For the above situation, the object of the present invention is to provide a kind of CASS system reforms into aerobic particle mud denitrification process
Method and device, be applied to existing CASS aerobic treatment processes and be transformed, pass through the biology for improving each workshop section of CASS systems
The factors such as total amount, carbon and nitrogen source mode of entrance, hydraulic shear, dissolved oxygen concentration, make it be transformed into aerobic particle mud denitrogenation
Technique improves the efficiency of its carbon, nitrogen, phosphorus synchronization process.
To achieve the goals above, present invention employs following technical schemes：
A kind of CASS systems with aerobic particle mud denitrification functions, the main reaction region of the CASS systems are equipped with mould
Block aerobic particle mud generating means, the pre-reaction zone of the CASS systems and the aeration section of main reaction region are equipped with modularization
Biological rope filler group frame,
The modularization aerobic particle mud generating means, including gas gathering mask, riser, moisture trap, return duct, 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 carried
Riser upper end tangentially enters from moisture trap middle cylinder；Moisture trap is installed above gas gathering mask, the connection of return duct upper end
In moisture trap bottom, return duct 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.
Further, further include water inlet pipe, sludge reflux pump, return duct, water decanter and air inlet pipe,
Water inlet pipe one end is connect with water source, and it is anti-that the water inlet pipe other end is connected to pre-reaction zone, biological selecting area and master simultaneously
Area is answered,
Sludge reflux pump is arranged in main reaction region, and return duct one end is connect with sludge reflux pump, and the return duct other end is simultaneously
Connection enters front end, pre-reaction zone and the biological selecting area of main reaction region,
Air inlet pipe one end is connect with air blower, and the other end is connect with each aerator,
Water decanter is arranged in the downstream of main reaction region.
Further, further include promoted regulating valve, decompression control valve, pressure sensor, air volume regulating valve, into water management
Valve, recycle 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 the water inlet pipe of biological selecting area, pre-reaction zone and main reaction region,
Recycle control valve is separately mounted on the return duct of biological selecting area, pre-reaction zone and main reaction region,
Dissolved oxygen monitor is respectively arranged in pre-reaction zone and main reaction region；
The promotion regulating valve, decompression control valve, pressure sensor, air volume regulating valve, water inlet control valve, reflux control
Valve, dissolved oxygen monitor, sludge reflux pump, water decanter and air blower are electrically connected with control centre to be automatically controlled with realizing.
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 duct lower end is horizontal tube, and return duct lower end is equipped with rotation and mixes nozzle, revolves the jet direction for mixing nozzle
On horizontal plane.
Further, gas gathering mask is cone-shaped or truncated cone-shaped or one kind of 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, between multiple modularization aerobic particle mud generating means by Connection Bracket according to pond type
Or pot carries out parallel operation after multigroup modular combination assembly, and pass through the fixation of fixed steel structure and Connection Bracket immersion
In pond.
The working method of the CASS systems with aerobic particle mud denitrification functions, when operation, the ponds CASS press in
Water aeration, precipitates, strains four working stage cycle of modes work of water；
When the ponds CASS intakes, 30%-80% is controlled by water inlet control valve by control centre and enters biological selecting area,
10%-70% enters pre-reaction zone, and 10%-60% enters main reaction region stage casing；
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 wind turbine work, and the air blower work of aeration phase is the pattern that works intermittently or continuously, and control centre is according to gas-water separation
The pressure of device, which is adjusted, promotes regulating valve and decompression control valve size, and in 0.2-0.8mg/L, master is anti-for the dissolved oxygen control of pre-reaction zone
The dissolved oxygen in area is answered to control in 0.5-2.0mg/L, the pressure of moisture trap is in 0.05-0.45MPa；Control centre passes through reflux
Control valve control sludge 30%-70% flows back into selection area, and 30%-70% flows back into pre-reaction zone, 20%-50% reflux
Into main reaction region front end；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 and sludge reflux pump startup, and precipitation reaches setting
Start to strain water after time；
It strains the water stage, control centre starts water decanter draining, while can also start the water inlet control valve row of biological selecting area
Water enters biological selecting area, remaining water inlet control valve still stops.
When operation, the gas of aerator release is collected by gas gathering mask, and gas, liquid, solid mixture is quickly carried 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 by return duct above gas gathering mask, and the horizonally projected jet for revolving mixed nozzle is continuous
The material rotation in pond is driven, liquid in pond, solid mixture rotation is mixed sinks to returning to below gas gathering mask, is discharged again with aerator
Gas mixing, form quick systemic circulation；Control centre promotes regulating valve by adjusting and decompression control valve controls gas-water separation
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 CASS system reforms of the present invention have the following advantages at the method and device of aerobic particle mud denitrification process：
(1) modularization aerobic particle mud generating means (MAGSG) smart structural design, simple, hydraulic shear is big, oxygen
Utilization rate improve.It is transformed for existing CASS and its deformation technique, utilizes the density pressure difference shape generated under aeration operating mode
At air lift kinetic energy, 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 waterpower
Shearing force improves air path in water and residence time, and the utilization rate of oxygen is made to improve, and enables the system to quickly be formed
Oxygen granule sludge (AGS).
(2) arrangement of modularization biological rope filler group frame makes system anaerobism-and the aerobic functional biological total amount of oxygen-increase, raw
Change reaction thrust to increase, impact resistance enhancing.
(3) distributed multipoint water feeding, sludge reflux multiparty control improve system carbon and nitrogen source mode of entrance, increase system
The variation for concentration gradient of uniting, enhance the ammonification of CASS systems, nitrification and denitrification function and effect, denitrification effect is more preferable.
(4) modular combination can be installed fast grouping in cyclic activated sludge system.
Description of the drawings
Fig. 1：Aerobic particle mud generating means structural schematic diagram.
Fig. 2：Aerobic particle mud generating means structure top view.
Fig. 3：Modularization assembling aerobic particle mud generating means schematic diagram.
Fig. 4：Modularization assembling aerobic particle mud generating means vertical view.
Fig. 5：The horizontal layout schematic diagram of CASS systems
Fig. 6：Section (1-1) arrangement schematic diagram of CASS systems
In figure：1, gas gathering mask, 2, riser, 3, moisture trap, 4, return duct, 5, rotation mix nozzle, 6, Connection Bracket,
7, relief tube, 8, aerator, 9, wall, 10, fixed steel structure, 11, control centre, 12, promote 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, 18, recycle control valve, 19,
Air volume regulating valve, 20, air blower, 21, sludge reflux pump, 22, water decanter, 23, biological selecting area, 24, pre-reaction zone, 25, main
Reaction zone, 26, biological rope filler, 27, filler support, 28, fixed frame.
Specific implementation mode
Further illustrate that implementation of the invention is not limited to the following example to seat of the present invention with reference to example, attached drawing.
Embodiment 1
A kind of CASS systems with aerobic particle mud denitrification functions, the main reaction region 25 of the CASS systems are equipped with
Modularization aerobic particle mud generating means, the pre-reaction zone 23 of the CASS systems and the aeration section of main reaction region 25 are equipped with
Modularization biological rope filler group frame 16,
The modularization aerobic particle mud generating means, including gas gathering mask 1, riser 2, moisture trap 3, return duct
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 duct is connected to 3 bottom of moisture trap, and 4 lower end of return duct is arranged between 1 top surface of gas gathering mask and liquid level, pressure release
4 one end of pipe is connected to 3 top of moisture trap, and relief tube 4 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.
Further, further include water inlet pipe, sludge reflux pump, return duct, water decanter and air inlet pipe,
Water inlet pipe one end is connect with water source, and the water inlet pipe other end is connected to pre-reaction zone 23,24 and of biological selecting area simultaneously
Main reaction region 25,
Sludge reflux pump is arranged in main reaction region 25, and return duct one end is connect with sludge reflux pump, and the return duct other end is same
When connection into main reaction region 25 front end, pre-reaction zone 23 and biological selecting area 24,
Air inlet pipe one end is connect with air blower, and the other end is connect with each aerator,
The downstream in main reaction region 25 is arranged in water decanter.
Further, further include promoted regulating valve 12, decompression control valve 14, pressure sensor 13, air volume regulating valve 19, into
Water control valve 17, recycle control valve 18 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 4,
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 the water inlet pipe of biological selecting area 24, pre-reaction zone 23 and main reaction region 25,
Recycle control valve 18 is separately mounted on the return duct of biological selecting area 24, pre-reaction zone 23 and main reaction region 25,
Dissolved oxygen monitor 15 is respectively arranged in pre-reaction zone 23 and main reaction region 25；
The promotion regulating valve 12, decompression control valve 14, pressure sensor 13, air volume regulating valve 19, water inlet control valve 17,
Recycle control valve 18, dissolved oxygen monitor 15, sludge reflux pump 21, water decanter 22 and air blower 20 are electrically connected with control centre 11
It connects and is automatically controlled with realizing.
Further, 2 upper end of the riser is horizontal tube, nozzle jet direction and the moisture trap 3 of horizontal tube
Vertical axis is vertical；4 lower end of the return duct is horizontal tube, and 4 lower end of return duct is equipped with rotation and mixes nozzle 5, revolves and mixes penetrating for nozzle 5
Stream direction is on horizontal plane.
Further, gas gathering mask 1 is cone-shaped or truncated cone-shaped or one kind of 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, between multiple modularization aerobic particle mud generating means by Connection Bracket 6 according to pond
Type or pot carry out parallel operation after multigroup modular combination assembly, 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 CASS systems with aerobic particle mud denitrification functions,
When operation, the ponds CASS by water inlet, aeration, precipitate, strain four working stage cycle of modes of water and work；
When the ponds CASS intake, 30%-80% is controlled by water inlet control valve 17 by control centre 11 and enters biological selecting area
24,10%-70% enter pre-reaction zone 23, and 10%-60% enters 25 stage casing of main reaction region；
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 pattern that works intermittently or continuously, control centre 11
It is adjusted according to the pressure of moisture trap 3 and promotes regulating valve 12 and 14 size of decompression control valve, the dissolved oxygen control of pre-reaction zone 23
System is controlled in 0.2-0.8mg/L, the dissolved oxygen of main reaction region 25 in 0.5-2.0mg/L, and the pressure of moisture trap 3 is in 0.05-
0.45MPa；Control centre 11 controls sludge 30%-70% by recycle control valve 18 and flows back into selection area 23,30%-70%
Pre-reaction zone 23 is flowed back into, 20%-50% flows back into 25 front end of main reaction region；When the reality of dissolved oxygen, time or pollutant
It surveys after concentration reaches setting value and stops being aerated；
Precipitate phase, the control of control centre 11 stop water inlet, stop air blower 20 and sludge reflux pump 21 starts, be deposited to
Start to strain water after up to setting time；
Strain the water stage, control centre 11 starts water decanter 22 and drains, while can also start biological selecting area 24 into water control
Valve 17 processed is drained into biological selecting area 24, remaining water inlet control valve 17 still stops.
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 duct 4, revolves the level for mixing nozzle 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 by adjusting and pressure release is adjusted
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 (10)
1. a kind of CASS systems with aerobic particle mud denitrification functions, which is characterized in that the main reaction of the CASS systems
Area (25) is equipped with modularization aerobic particle mud generating means, the pre-reaction zone (23) of the CASS systems and main reaction region
(25) aeration section is equipped with modularization biological rope filler group frame (16),
The modularization aerobic particle mud generating means, 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 duct (4) upper end is connected to moisture trap (3) bottom, return duct (4) lower end
It is arranged in gas gathering mask (1) between top surface and liquid level, relief tube (4) one end is connected to moisture trap (3) top, relief tube (4)
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. the oxidation ditch with aerobic particle mud denitrification functions as described in claim 1, which is characterized in that further include into water
Pipe, sludge reflux pump, return duct, water decanter and air inlet pipe,
Water inlet pipe one end is connect with water source, the water inlet pipe other end be connected to simultaneously pre-reaction zone (23), biological selecting area (24) and
Main reaction region (25),
Sludge reflux pump is arranged in main reaction region (25), and return duct one end is connect with sludge reflux pump, and the return duct other end is simultaneously
Connection enters front end, pre-reaction zone (23) and biological selecting area (24) of main reaction region (25),
Air inlet pipe one end is connect with air blower, and the other end is connect with each aerator,
Water decanter is arranged in the downstream of main reaction region (25).
3. the oxidation ditch with aerobic particle mud denitrification functions as claimed in claim 2, which is characterized in that further include being promoted
Regulating valve (12), decompression control valve (14), pressure sensor (13), air volume regulating valve (19), water inlet control valve (17), reflux control
Valve (18) processed 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 (4),
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 to the water inlet pipe of biological selecting area (24), pre-reaction zone (23) and main reaction region (25)
On,
Recycle control valve (18) is separately mounted to the return duct of biological selecting area (24), pre-reaction zone (23) and main reaction region (25)
On,
Dissolved oxygen monitor (15) is respectively arranged in pre-reaction zone (23) and main reaction region (25)；
The promotion regulating valve (12), decompression control valve (14), pressure sensor (13), air volume regulating valve (19), into water management
Valve (17), recycle control valve (18), dissolved oxygen monitor (15), sludge reflux pump (21), water decanter (22) and air blower (20)
It is electrically connected with control centre (11) and is automatically controlled with realizing.
4. the CASS systems 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 hangs down with the vertical axis of moisture trap (3)
Directly；Return duct (4) lower end is horizontal tube, and return duct (4) lower end is equipped with rotation and mixes nozzle (5), revolves the jet stream for mixing nozzle (5)
Direction is on horizontal plane.
5. the CASS systems with aerobic particle mud denitrification functions as described in claims 1 to 3 any one, feature exist
In gas gathering mask (1) is cone-shaped or truncated cone-shaped or one kind of prismoid shaped, and the bigger diameter end of gas gathering mask (1) is under, and miner diameter end is upper.
6. the CASS systems 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 CASS systems 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 CASS systems 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 means
Parallel operation after the assembly of multigroup modular combination, and being fixed on by fixed steel structure (10) and Connection Bracket (6) immersion
In pond.
9. the work side of the CASS systems with aerobic particle mud denitrification functions as described in claims 1 to 3 any one
Method, which is characterized in that
When operation, the ponds CASS by water inlet, aeration, precipitate, strain four working stage cycle of modes of water and work；
When the ponds CASS intake, 30%-80% is controlled by water inlet control valve (17) by control centre (11) and enters biological selecting area
(24), 10%-70% enters pre-reaction zone (23), and 10%-60% enters main reaction region (25) stage casing；
In aeration phase, control centre (11) adjusts each group air volume regulating valve according to dissolved oxygen monitor (15) feedback data respectively
(19) it works with the start and stop of air blower (20), air blower (20) work of aeration phase is the pattern that works intermittently or continuously, control
Center (11) adjusts according to the pressure of moisture trap (3) and promotes regulating valve (12) and decompression control valve (14) size, pre-reaction
The dissolved oxygen control in area (23) is in 0.2-0.8mg/L, and the dissolved oxygen control of main reaction region (25) is in 0.5-2.0mg/L, air water point
Pressure from device (3) is in 0.05-0.45MPa；Control centre (11) controls sludge 30%-70% by recycle control valve (18) and returns
Stream enters selection area (23), and 30%-70% flows back into pre-reaction zone (23), and 20%-50% flows back into main reaction region (25)
Front end；Stop being aerated after the measured concentration of dissolved oxygen, time or pollutant reaches setting value；
Precipitate phase, control centre (11) control stop water inlet, stop air blower (20) and sludge reflux pump (21) starts, precipitation
Start to strain water after reaching setting time；
It strains the water stage, control centre (11) starts water decanter (22) and drains, while can also start the water inlet of biological selecting area (24)
Control valve (17) is drained into biological selecting area (24), remaining water inlet control valve (17) still stops.
10. the modularization of the CASS systems with aerobic particle mud denitrification functions as described in claims 1 to 3 any one
The working method of aerobic particle mud generating means, which is characterized in that
When operation, the gas of aerator (8) release is collected by gas gathering mask (1), and gas, liquid, solid mixture is fast by riser (2)
Speed is lifted into moisture trap (3), the object in the nozzle jetting flow moisture trap (3) of riser (2) upper end horizontal tube
Material constantly rotation, recycles potential difference, and the material in moisture trap (3) is back to by return duct (4) above gas gathering mask (1),
The horizonally projected jet that rotation mixes nozzle (5) constantly drives the material in pond to rotate, and liquid, solid mixture, which revolve to mix, in pond sinks to returning to collection
Below gas hood (1), again with the gas mixing of aerator (8) release, quick systemic circulation is formed；Control centre (11) passes through adjusting
The pressure for promoting regulating valve (12) and decompression control valve (14) control moisture trap (3), to increase the stop of air in water
Fluid circulation flow velocity inside and outside time and device.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562495A (en) * | 2004-04-13 | 2005-01-12 | 陈协 | High performance self-regulating roational flow type gas liquid separator |
| US20090308806A1 (en) * | 2005-06-10 | 2009-12-17 | Paques B.V. | Anaerobic purification device |
| CN103332784A (en) * | 2013-07-30 | 2013-10-02 | 许中华 | Three-stage circulation aerobic reactor |
| CN205676232U (en) * | 2016-06-15 | 2016-11-09 | 成都升合环保科技有限公司 | A kind of sewage aerobic reaction treatment device |
| CN208485665U (en) * | 2018-04-12 | 2019-02-12 | 南宁绿智环保科技有限公司 | A kind of CASS system with aerobic particle mud denitrification functions |
-
2018
- 2018-04-12 CN CN201810328188.0A patent/CN108439582A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562495A (en) * | 2004-04-13 | 2005-01-12 | 陈协 | High performance self-regulating roational flow type gas liquid separator |
| US20090308806A1 (en) * | 2005-06-10 | 2009-12-17 | Paques B.V. | Anaerobic purification device |
| CN103332784A (en) * | 2013-07-30 | 2013-10-02 | 许中华 | Three-stage circulation aerobic reactor |
| CN205676232U (en) * | 2016-06-15 | 2016-11-09 | 成都升合环保科技有限公司 | A kind of sewage aerobic reaction treatment device |
| CN208485665U (en) * | 2018-04-12 | 2019-02-12 | 南宁绿智环保科技有限公司 | A kind of CASS system with aerobic particle mud denitrification functions |
Non-Patent Citations (1)
| Title |
|---|
| 林延中等: "《煤矿安全仪器及装备选型手册》", 煤炭工业出版社, pages: 260 * |
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