CN107651753A - Sewage water denitrification dephosphorization apparatus - Google Patents
Sewage water denitrification dephosphorization apparatus Download PDFInfo
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- CN107651753A CN107651753A CN201711089328.5A CN201711089328A CN107651753A CN 107651753 A CN107651753 A CN 107651753A CN 201711089328 A CN201711089328 A CN 201711089328A CN 107651753 A CN107651753 A CN 107651753A
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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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- C02F2301/02—Fluid flow conditions
- C02F2301/028—Tortuous
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biodiversity & Conservation Biology (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Sewage water denitrification dephosphorization apparatus.There is housing (1), the vertical cylinder of outer layer (2) is located at the ring-type mud-water separating area (4) formed in housing (1) between housing wall and connected with delivery port (1d)；The vertical cylinder of internal layer (3) is located in housing, and accent communicates the current rising passway (5) of its inner chamber with current direction lower channel (6) top and the bottom on the outside of it respectively up and down, and current ring is formed in housing and follows passage；The import of ring-type mud-water separating area communicates with current direction lower channel middle and lower part；Sludge accumulation area (7) below interior vertical plate communicates with the water inlet (1a) and mud discharging mouth (1b) of housing cavity bottom wall；The import of sludge pump (8a) in sludge lifting device (8) communicates with sludge accumulation area, and injection member (8b) is located at current rising passway (5) middle and lower part；Aerator (9b) in air supply device (9) is located at current rising passway (5) middle and lower part.With improve treatment effect and it is stable the characteristics of.
Description
Technical field
The present invention relates to technical field of biological sewage treatment, specially a kind of integrated sewage water denitrification dephosphorization apparatus.
Background technology
Sewage Biological Treatment, which refers to, is removed the pollutants such as the organic matter in sewage, nitrogen, phosphorus, SS using the metabolism of microorganism
Remove, be purified sewage.The necessary condition for realizing bio-denitrifying sewage dephosphorization is to create anaerobism, anoxic and aerobic environment.
Publication No. CN104150589A, application number 201410421119.6 document disclosed in a kind of " integration is without ladder
Spend activated sludge sewage-treatment plant ", its structure includes the housing for vertical cylinder, and it is vertical to be provided with outer layer in the housing cavity
Cylinder and the vertical cylinder of internal layer, the vertical cylinder of outer layer (i.e. so-called " three phase separator ") are located at housing cavity top, and described
Ring-type mud-water separating area is formed between housing wall, ring-type mud-water separating area top is provided with discharge outlet；The vertical cylinder of internal layer is (i.e.
So-called " enhancing tube ") inner chamber be current rising passway, the chamber on the outside of the vertical barrel wall of internal layer is current direction lower channel, interior
Upper and lower part of the upper and lower accent of the vertical cylinder of layer respectively with the current direction lower channel communicates, and forms the water in the housing
Flow circulation canal；Ring-type mud-water separating area between the vertical barrel wall of the outer layer and housing wall with the current direction lower channel
Portion communicates；Wastewater inlet is set in the middle part of the vertical walls of the housing, and the middle and lower part of housing vertical walls is set (i.e. below wastewater inlet)
Sludge outlet is put, the lower end of the vertical cylinder lumen of internal layer sets air diffuser, by air line and is located at outside housing
The air pump connection in portion.The air that the processing unit is provided using air pump is discharged by diffuser, to sewage oxygenation and shape
Make water circulation passage internal circulation flow of the sewage in housing into lifting effect, realize sewage purification.Its deficiency is：1) due to
Air diffuser is located at the lower end of vertical internal layer cylinder inner chamber, and water inlet and sludge outlet are in the vertical walls of housing
(top of housing lower cone section), first, water inlet and sludge outlet communicate with the circular passage under current direction, in operation, institute
The sewage of entrance and the sludge of discharge with the current flowed in circular passage is in dynamic admixture in the region, i.e.,
Without obvious high concentration sludge accumulation regions, the pollutant in sewage is difficult to the suction-operated for obtaining high concentration sludge and absorption effect
Fruit；Second, the sludge concentration of sludge outlet discharge is low, it is unfavorable for the processing of follow-up sludge；Third, water inlet and sludge outlet are set
In in the vertical walls of housing central section and middle and lower part, be present sludgd deposition and hardened phenomenon in its housing cavity bottom section, and examining
When repairing the component of housing and inner chamber, it is impossible to be directly vented the mud mixture of housing cavity bottom by outlet, be not easy to
The maintenance and repair of equipment.2) due to the device it is single using air pump provide air be used as to sewage oxygenation and current lifted and
The power flowed in circulation canal, the contradiction of lifting power and oxygenation capacity be present, when with the change of influent quality, water
Change, when dissolved oxygen concentration is too high in housing, it is desirable to reduce air capacity, and reducing air capacity can cause to lift power reduction, lifting
Power is reduced the muddy water mixed effect in the rate of circulating flow and mixed liquor that influence sewage, so as to influence treatment effect, works as housing
When interior dissolved oxygen concentration is too low, air capacity need to be increased, air capacity can cause to lift power increase, lifting power increase when increasing
When can strengthen muddy water mixing intensity, and excessive muddy water mixing intensity can restrict the formation of active pollution index, water in device
Each region of stream circulation canal is difficult to the concentration difference for producing dissolved oxygen, it is difficult to which formation is obvious in device, has certain flow time
Anaerobism, anoxic and aerobic alternate environment, so as to influence Nitrogen/Phosphorus Removal, therefore be unfavorable for the stable operation of operation process.
In addition, the entrance in ring-type mud-water separating area lower end, the upper plate inner side summit of the import is covered under it in vertical direction
The inner side summit of plate, in operation, for nitrogen caused by anti-nitration reaction in uphill process, the upper plate of the import can be by portion
Divide nitrogen to import in ring-type mud-water separating area (three-phase separation area), the mud-water separation effect in the Disengagement zone is influenceed, so as to influence
SS is removed；The delivery port of the device directly communicates with ring-type mud-water separating area top, easily causes the short stream of water outlet and influences muddy water
The mud-water separation effect of Disengagement zone.
The content of the invention
It is active the purpose of the present invention is to propose to which treatment effect and stable sewage water denitrification dephosphorization apparatus can be improved
Sludge absorption, anaerobism, aerobic and anoxic environment, organic matter, nitrogen, phosphorus, the SS in sewage can be effectively removed, improve processing effect
Fruit.
The technical scheme of goal of the invention is realized, referring to Fig. 1：
The present invention includes the housing 1 of vertical cylinder；
Intracavitary is provided with the vertical cylinder 2 of outer layer and the vertical cylinder 3 of internal layer in the housing 1；
The ring-type positioned at the housing middle and upper part is formed between the barrel wall and the housing wall of the vertical cylinder 2 of outer layer
Mud-water separating area 4, the top of ring-type mud-water separating area 4 connect with delivery port 1d；
The inner chamber of the vertical cylinder 3 of internal layer is current rising passway 5, and the chamber on the outside of the vertical wall of cylinder 3 of internal layer is water
Flowing to lower channel 6, the upper and lower part of the upper and lower accent of the vertical inner chamber of cylinder 3 of internal layer respectively with the current direction lower channel 6 communicates,
Form water circulation passage i.e. in the housing 1, the import 4a of the ring-type mud-water separating area 4 positioned at housing middle and upper part and
The middle and lower part of current direction lower channel 6 on the outside of the vertical wall of cylinder 3 of internal layer communicates；
The lower section of the vertical lower end of cylinder 3 of internal layer is that the intracavity bottom of housing 1 is provided with sludge accumulation area 7；
The bottom wall of inner cavity of housing 1 be provided with water inlet 1a and mud discharging mouth 1b, water inlet 1a and mud discharging mouth 1b respectively with institute
Sludge accumulation area 7 is stated to communicate；
Provided with sludge lifting device 8, the sludge lifting device 8 includes sludge pump 8a and positioned at the vertical cylinder of the internal layer
The injection member 8b, the sludge pump 8a of 3 inner chambers middle and lower part muddy water outlet are with the muddy water entrance of the injection member 8b by pipe
Part 8c is connected, and sludge pump 8a muddy water import connects with the sludge accumulation area 7, and the sludge lifting device 8 is by the sludge
High-concentration activated sludge in accumulation regions 7 is promoted to the epimere of current rising passway 5 (i.e. aerobic zone), and is current described
Water circulation passage internal circulation flow provides partial power；
Provided with air supply device 9, the air supply device 9 includes blower fan 9a and controls the change of the fan driving motor rotation speed change
Frequency device, and positioned at the vertical inner chamber middle and lower part of cylinder 3 of the internal layer and be adjacent to the aerator 9b of the injection member 8b,
The outlet of the blower fan 9a is connected with aerator 9b air inlet by pipeline 9c, and the air supply device 9 is that current rising is logical
The sewage of (i.e. aerobic zone) provides oxygenation in the epimere of road 5, and provides portion in the water circulation passage internal circulation flow for current
Sub-power.
It is further：
The aerator 9b of the air supply device 9 is located at the structure of the vertical inner chamber middle and lower part of cylinder 3 of the internal layer, that is, is being aerated
The downward region of water stream channel (the epimere inner chamber of the vertical cylinder 3 of internal layer) and flow direction-changing above device 9b, which is formed, acts on sewage
Aerobic zone, the outside of the vertical cylinder of internal layer 3, the water stream channel region composition that connects with the aerobic zone tail end act on sewage
Anoxic zone, region that is below aerator 8b and connecting with the anoxic zone tail end forms the anaerobic zone for acting on sewage, detested
Oxygen area tail end connects with the front end of the aerobic zone, and the sludge accumulation area 7 is located in described anaerobic zone, i.e., described air feed dress
Put the structure that the aerator 9b in 9 is located at the vertical inner chamber middle and lower part of cylinder 3 of the internal layer, the water circulation in the housing 1
Formed in passage and act on sewage and end to end sludge absorption area/anaerobic zone, anoxic zone and aerobic zone, that is, met
Outside " anaerobism, anoxic, aerobic " environment necessary in so-called bio-denitrifying sewage dephosphorization processing procedure, the high concentration sludge of anaerobic zone
Also the pollutant in sewage is adsorbed, realizes in the water circulation passage in the housing 1 and Zhou Erfu is formed to sewage
Begin ground circulation progress activated sludge absorption/anaerobic organism reaction, aerobe reaction, anoxic biological respinse.
The top of housing 1 communicates provided with ring-type water collecting dike 1c, ring-type water collecting dike 1c with the top of ring-type mud-water separating area 4,
There is described delivery port 1d on ring-type water collecting dike 1c, i.e. the top of ring-type mud-water separating area 4 passes through the ring-type water collecting dike 1c and institute
The delivery port 1d connections stated.
The import 4a is located at the lower end of the ring-type mud-water separating area 4, and the lower section of the import 4a is set by upper and lower two
The component 10 that swash plate plate end is connected, declined board is tilting upwards, and inclined board is tilting downwards, the outer end of the upper and lower swash plate and institute
State the wall connection of housing, the inner side summit after the inner connection of upper and lower two swash plate protrude from described import 4a and be located at into
Below mouth 4a, tilting declined board can stop that the nitrogen of lower section anoxic zone anti-nitration reaction generation separates out formation from water upwards
Bubble enters in ring-type mud-water separating area 4, and avoiding the bubble from entering influences mud-water separation effect in ring-type mud-water separating area 4.
Course of work principle of the present invention and effect：
During working continuously, processed sewage by water inlet 1a enter the intracavity bottom of housing 1 and be anaerobism ring
The sludge accumulation area 7 in border, sewage under high-concentration activated sludge and anaerobic environment first by carry out activated sludge absorption and
The biological treatment of anaerobic environment, high-concentration activated sludge adsorbs to the pollutant in sewage, and removes the portion in sewage
Divide organic matter and SS and part nitrogen, phosphorus, so as to reduce the pollutant concentration in the sewage of subsequent treatment, accordingly improve dress
The capacity of resisting impact load and treatment effect put, meanwhile, high-concentration activated sludge consumes dirty Organic substance in water under anaerobic environment
And phosphorus is discharged, the anaerobic phosphorus release reaction of Sewage Biological Treatment is realized, is that the aerobic environment biological phosphate-eliminating of subsequent processes is created
Condition；Sewage after high concentration sludge suction-operated and anaerobic phosphorus release, in the sludge lifting device 8 and air supply device 9
Flowed up in the presence of the power provided, into the aerator 9b above aerobic zone carry out aerobic environment biology
Handle, high-concentration activated sludge enters aerobic zone in the sludge accumulation area 7 lifted by sludge lifting device 8, can improve aerobic zone
And the activated sludge concentration in follow-up anoxic zone, the air as needed for air supply device 9 provides aerobe reaction, while air supply device
The high concentration sludge and the mixture of sewage that 9 air provided and sludge lifting device 8 provide have certain flow rate, jointly to dirt
Water is stirred, fluid turbulence produced by stirring, and the high-concentration activated sludge flco from the sludge accumulation area 7 can be carried out
Turbulent flow cutting, big particle diameter sludge flco is cut into small particle sludge flco, increases the specific surface area of sludge flco, and with being in
The sewage of aerobic environment is sufficiently mixed, and activated sludge is realized degraded to the organic matter in sewage and removed, while carries out nitre
Change reaction and aerobic biological phosphate-eliminating, ammonia nitrogen in sewage is converted into nitrate nitrogen and nitrite nitrogen by nitration reaction, so as to good
Oxygen area further removes organic matter, ammonia nitrogen and phosphorus in sewage, and is created conditions for follow-up anaerobic environment denitrification denitrogenation；Through well
Sewage after being handled under oxygen environment, carried out immediately into the anoxic zone in the vertical outside of cylinder 3 of internal layer at the biology under anaerobic environment
Reason, activated sludge carries out anti-nitration reaction under anoxic conditions, by nitrate nitrogen and Asia while dirty Organic substance in water is consumed
Nitrate nitrogen is converted into nitrogen and escaped from water, so as to remove total nitrogen and further organics removal；Handled through anaerobic environment
Mud mixture, mud-water separation is carried out into ring-type mud-water separating area 4 by the import 4a of the bottom of ring-type mud-water separating area 4,
Activated sludge is separated from sewage, removes the SS in sewage, water after separation then uniform overflow to ring-type mud-water separation
In the ring-type water collecting dike 1c on area top, until being discharged by delivery port 1d, the activated sludge mixture after separation sinks down into described
The sludge accumulation area 7 of housing bottom cavity, activity sludge reflux is realized, and high-concentration activated sludge is formed in sludge accumulation area；Pass through
Described frequency converter regulation blower fan 9a running speeds change to adjust flow and the flow velocity phase that air capacity exports with sludge pump 8a
Match somebody with somebody, realize the required dissolved oxygen concentration in aerobic zone, anoxic zone operation, the dense of dissolved oxygen is produced in each region of water circulation passage
Degree is poor, forms obvious, to have certain flow time anaerobism, anoxic and aerobic alternate environment, water of the sewage in the housing 1
Flow circulation again and again in circulation canal and carry out activated sludge absorption/anaerobic organism reaction, aerobe reaction, anoxic biology
Reaction, realizes effective removal of pollutant；Excess sludge and otherwise processed are periodically discharged by mud discharging mouth 1b.
The technology of the present invention effect：
1st, because the present invention is provided with sludge accumulation area 7 in the intracavity bottom of housing 1 and is located in anaerobic environment region, and it is located at
Water inlet 1a and mud discharging mouth 1b in shell bottom wall communicate with sludge accumulation area 7, one is so that the sewage entered enters first
Row high-concentration activated sludge adsorbs and the biological treatment of anaerobic environment, and high-concentration activated sludge is i.e. to the partial contamination thing in sewage
Adsorbed, and remove the partial organic substances in sewage and SS and part nitrogen, phosphorus, while activated sludge is under anaerobic environment
Consumption Organic substance in water simultaneously discharges phosphorus, realizes the anaerobic phosphorus release reaction of Sewage Biological Treatment, is that the aerobic environment of subsequent treatment is given birth to
Thing dephosphorization creates conditions, and the pollutant that suction-operated and the effect of high-concentration activated sludge are reduced in the sewage of subsequent treatment is dense
Degree, wastewater treatment efficiency can be improved by accordingly improving the capacity of resisting impact load of device；The second is mud discharging mouth 1b and housing bottom cavity
High concentration sludge accumulation regions communicate, the sludge concentration discharged is high, reduces difficulty and the processing of follow-up specific resistance to filtration
Cost, and the mud mixture of the water inlet 1a and sludge pump 8a communicated in shell bottom wall with sludge accumulation area 7 muddy water import
Stirring action is flowed, and regularly discharges sludge from bottom to avoid the hardened phenomenon of sludge, the maintenance workers of device can be reduced
Measure；Third, mud discharging mouth 1b has the function of blow-down pipe concurrently, directly the mud mixture in housing chamber can be put by the mud discharging mouth
Sky, be advantageous to the maintenance and repair of equipment and improve the operating efficiency of plant maintenance and maintenance.
2nd, because the present invention is provided with sludge lifting device 8 and air supply device 9, first, the sludge pump in sludge lifting device 8
8a, the aerobic zone that the high concentration sludge in sludge accumulation area 7 can be promoted to above aerator 9b, to improve aerobic environment with after
The activated sludge concentration of continuous anaerobic environment, so as to improve treatment effect of the sewage under aerobic and anaerobic environment；Second, air feed fills
Putting high concentration sludge that the air of 9 offers and sludge lifting device 8 provide and the mixture of sewage has certain flow rate, common to make
With under lower caused fluid turbulence and stirring action, turbulent flow can be carried out to the high-concentration activated sludge flco for being promoted to aerobic zone
Cutting, small particle sludge flco is cut into by big particle diameter sludge flco, and increases the specific surface area of sludge flco, and and aerobic zone
Interior sewage is sufficiently mixed, and mixing of the air with sludge, sewage is realized in aerobic zone with flowing up, can improve sludge,
Dirty water and air mixing and mass transfer effect, pollutant oxidation is accelerated to increase oxygen so as to improve the removal effect to pollutant
Utilization rate, so as to improve the clearance for improving wastewater pollutants；Sewage is oxygenated third, providing air by air supply device 9, by dirt
High concentration sludge in sludge accumulation area 7 is lifted aerobic zone by mud lifting device 8, and both lead to for current in water circulation jointly
Road internal circulation flow provides power, adjusts the change of blower fan 9a running speeds by described frequency converter to adjust air capacity and sludge
The flow of pump 8a outputs matches with flow velocity, the required dissolved oxygen concentration in aerobic zone, anoxic zone operation is realized, in water circulation
Each region of passage produces the concentration difference of dissolved oxygen, and the formation and each region of water circulation passage for being advantageous to active pollution index produce
The concentration difference of dissolved oxygen, obvious, to have certain flow time anaerobism, anoxic and aerobic alternate environment are formed, it is de- so as to improve
Nitrogen phosphor-removing effect, the stable operation of the present invention is realized, it is single dynamic using the air that air pump provides as lifting to overcome background technology
The deficiency of the contradiction of lifting power and oxygenation capacity present in power and oxygenation.
3rd, the import 4a of the lower end of ring-type mud-water separating area 4 lower section sets the structure being connected by upper and lower two swash plates plate end
Part 10, declined board is tilting upwards, and inclined board is tilting downwards, and the inner side summit after the inner connection of upper and lower two swash plate protrudes from
Described import 4a and below import 4a, tilting declined board can stop the anti-nitration reaction generation of lower section anoxic zone upwards
The bubble that nitrogen separates out formation from water enters in ring-type mud-water separating area 4, avoids the bubble from entering ring-type mud-water separating area 4
Interior influence mud-water separation effect, is advantageous to improve the mud-water separation effect in ring-type mud-water separating area 4.
4th, the top of housing 1 communicates provided with ring-type water collecting dike 1c, ring-type water collecting dike 1c with the top of ring-type mud-water separating area 4, ring
There is described delivery port 1d on shape water collecting dike 1c, i.e. the water outlet of ring-type mud-water separating area 4 initially enters ring-type water collecting dike by top
In 1c, then discharged by delivery port 1d, because ring-type water collecting dike 1c there is regulation to make the water outlet from ring-type mud-water separating area 4
With achievable water uniformly goes out to flow, and can eliminate the short flow phenomenon of water outlet, be advantageous to the stabilization of running status, improve ring-type muddy water
The mud-water separation effect of Disengagement zone 4, other pollutants of effluent SS and its carrying are reduced, so as to improve pollutants removal rate.
Other features possessed by the present invention will combine embodiment with effect and further illustrate.
The present invention is further described with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention program；
Fig. 2 is Fig. 1 top view, and the housing 1 for schematically illustrating vertical cylinder is the vertical tube structure of toroidal；
The housing 1 that Fig. 3 illustrates vertical cylinder is the vertical tube structure of square shape.
Embodiment
Referring to accompanying drawing, the present invention includes the housing 1 for vertical cylinder；Intracavitary is provided with the vertical cylinder 2 of outer layer in the housing 1
Cylinder 3 vertical with internal layer；The vertical cylinder 2 of outer layer, which is located in housing 1 between intracavitary, with the housing wall, to be formed positioned at described
The ring-type mud-water separating area 4 of housing middle and upper part, the top of ring-type mud-water separating area 4 connect with delivery port 1d；The vertical cylinder of internal layer
The inner chamber of body 3 is current rising passway 5, and the chamber on the outside of the vertical wall of cylinder 3 of internal layer is current direction lower channel 6, the vertical cylinder of internal layer
Upper and lower part of the upper and lower accent of the inner chamber of body 3 respectively with the current direction lower channel 6 is communicated, i.e., water is formed in the housing 1
Flow circulation canal, the import 4a positioned at the lower end of ring-type mud-water separating area 4 of housing middle and upper part and the vertical cylinder of the internal layer
The middle and lower part of current direction lower channel 6 on the outside of wall communicates；The lower section of the vertical lower end of cylinder 3 of internal layer is that the intracavity bottom of housing 1 is set
There is sludge accumulation area 7；The bottom wall of inner cavity of housing 1 is provided with 1b points of water inlet 1a and mud discharging mouth 1b, water inlet 1a and mud discharging mouth
Do not communicated with the sludge accumulation area 7；The bottom of the vertical cylinder 2 of outer layer is the tubaeform knot towards the side wall of housing 1
Structure, referring to Fig. 1, the lower end of ring-type mud-water separating area 4 is formed between the lower end of the flared structure and the housing sidewall
Import 4a.
In implementation, the housing 1 of the vertical cylinder can be the vertical tube structure of toroidal or be the vertical cylinder knot of square shape
Structure, when the housing 1 is toroidal vertical tube structure, the vertical cylinder 2 of the outer layer and the vertical cylinder 3 of internal layer are preferably corresponding
Toroidal structure, referring to Fig. 2, when the housing 1 is square shape vertical tube structure, the vertical cylinder 2 of the outer layer and internal layer
Vertical cylinder 3 is preferably corresponding square shape structure, referring to Fig. 3.
In implementation, the bottom of housing 1 can be conical structures, and the sludge accumulation area 7 is located at the bottom lower cone of housing 1
In anaerobism region in structure inner chamber, the water inlet 1a and mud discharging mouth 1b are positioned at the bottom of the bottom lower cone inner chamber of housing 1
On wall, the conical structures of the bottom of housing 1 are advantageous to the aggregation of activated sludge and improve the activated sludge concentration in sludge accumulation area,
And water circulation passage can be eliminated at the current dead angle in the region；The vertical cylinder 2 of outer layer and the vertical cylinder 3 of internal layer pass through respectively
The components such as rod member are connected with the wall of housing 1.
The lower end of the vertical cylinder 3 of internal layer is enlarging flared structure 3a directed downwardly, and the structure advantageously reduces sludge
Pump 8a run when its muddy water import to sludge accumulation area 7 with the influence of exterior domain.
Provided with sludge lifting device 8, the sludge lifting device 8 includes sludge pump 8a and positioned at the vertical cylinder of the internal layer
The injection member 8b, the sludge pump 8a of 3 inner chambers middle and lower part muddy water outlet are with the muddy water entrance of the injection member 8b by pipe
Part 8c is connected, and sludge pump 8a muddy water import connects with the sludge accumulation area 7, and the sludge lifting device 8 is by the sludge
High-concentration activated sludge in accumulation regions 7 is promoted to the epimere of current rising passway 5 (i.e. aerobic zone), can improve aerobic zone and
Activated sludge concentration in follow-up anoxic zone, so as to improve treatment effect of the sewage under aerobic and anaerobic environment；In implementation, institute
Stating injection member 8b can be connected by the wall of the components such as rod member and the housing 1.
Provided with air supply device 9, the air supply device 9 includes blower fan 9a and controls the change of the fan driving motor rotation speed change
Frequency device, and positioned at the vertical inner chamber middle and lower part of cylinder 3 of the internal layer and be adjacent to the aerator 9b of the injection member 8b,
The outlet of the blower fan 9a is connected with aerator 9b air inlet by pipeline 9c, and the frequency converter uses prior art products；Root
According to needs, the change of blower fan 9a motor rotating speeds is realized to adjust the blast of blower fan 9a outputs by the Frequency Converter Control
And air quantity, and match with the flow of the sludge pump 8a and lift, to meet the oxygen supply of apparatus of the present invention operating condition with carrying
The necessary requirement that power matches is risen, so as to control flow velocity of the current in circulation canal, in each area of water circulation passage
Domain produces the concentration difference of dissolved oxygen, forms obvious, to have certain flow time anaerobism, anoxic and aerobic alternate environment, described
The air that air supply device 9 provides is oxygenated to sewage, the high concentration that the air that air supply device 9 provides provides with sludge lifting device 8
Sludge is interacted, and is sufficiently mixed with sewage and acts on sewage, and air and sludge, the Turbulence Mixed of sewage are realized in aerobic zone
Close and flow up, while the high-concentration activated sludge flco to being promoted to aerobic zone carries out turbulent cutting, can improve sludge, dirt
Water and air mixes and mass transfer effect, accelerates pollutant oxidation to be improved so as to improve the removal effect to pollutant so as to improve
The clearance of wastewater pollutants；In implementation, the pipeline 9c, aerator 9b can pass through the components such as rod member and the wall of the housing 1
It is connected；The injection member 8b, aerator 9b jet, aeration head quantity and arrangement form are according to current rising passway
5 sectional areas determine.
When the flow and pollutant concentration of the sewage entered by water inlet 1a vary widely, in implementation, it can be set and use
In the frequency converter of conditioning of mud pump 8a motor rotation speed changes, by changing the rotating speed of the motor, make sludge pump 8a
Flow and the lift of output produce respective change and match with the intake adjusted.
In shown in Fig. 1, the sludge pump 8a in the sludge lifting device 8 is located at outside the housing 1, the sludge pump
Muddy water import is connected by sludge pipe 8d with the sludge accumulation area 7 in anaerobic environment；In implementation, the sludge lifting dress
The sludge pump 8a in 8 is put to may be alternatively located at the intracavity bottom of housing 1 and be in the sludge accumulation area 7 of anaerobic environment, sludge pump
8a is then Driving-mud Pump, under this structure, the muddy water import of the Driving-mud Pump directly with the dirt in anaerobic environment
Mud accumulation regions 7 communicate, and the Driving-mud Pump can be installed on the intracavity bottom of housing 1 using autocoupling type.
Aerator 9b in the air supply device 9 is located at the structure of the vertical inner chamber middle and lower part of cylinder 3 of the internal layer, that is, is exposing
The downward region of water stream channel (the epimere inner chamber of the vertical cylinder 3 of internal layer) and flow direction-changing above gas device 8b, which is formed, acts on dirt
The aerobic zone of water, the outside of the vertical cylinder of internal layer 3, the water stream channel region composition that connects with the aerobic zone tail end act on dirt
The anoxic zone of water, region that is below aerator 8b and connecting with the anoxic zone tail end form the anaerobic zone for acting on sewage,
Anaerobic zone tail end connects with the front end of the aerobic zone, and the sludge accumulation area 7 is located in described anaerobic zone；When the housing
When 1 bottom is conical structures, anaerobism of the sludge accumulation area 7 i.e. positioned at intracavitary in the bottom conical structures of housing 1 is trivial
In domain, i.e., the aerator 9b in described air supply device 9 is located at the structure of the vertical inner chamber middle and lower part of cylinder 3 of the internal layer, and in institute
Composition in the water circulation passage in housing 1 is stated to act on sewage sewage, end to end sludge absorption area/anaerobic zone, lack
Oxygen area and aerobic zone, i.e., necessary in so-called bio-denitrifying sewage dephosphorization processing procedure is met " anaerobism, anoxic, aerobic " environment
Outside, being gathered in the high-concentration activated sludge of anaerobic zone bottom can also adsorb to the pollutant in sewage, and sewage is in the shell
The activated sludge absorption of circulation progress again and again/anaerobic organism reaction, aerobe are anti-in water circulation passage in body 1
Answer, anoxic biological respinse.
The top of housing 1 communicates provided with ring-type water collecting dike 1c, ring-type water collecting dike 1c with the top of ring-type mud-water separating area 4,
Have described delivery port 1d on ring-type water collecting dike 1c, i.e., the top of ring-type mud-water separating area 4 by ring-type water collecting dike 1c with it is described
Delivery port 1d is connected, and the water outlet on the top of ring-type mud-water separating area 4 is arranged after ring-type water collecting dike 1c regulations, then by the delivery port 1d
Go out, the short flow phenomenon of water outlet can be eliminated, be advantageous to the stabilization of running status, improve the mud-water separation effect of ring-type mud-water separating area 4
Fruit, other pollutants of effluent SS and its carrying are reduced, so as to improve pollutants removal rate.
The import 4a is located at the lower end of the ring-type mud-water separating area 4, and the lower section of the import 4a is set by upper and lower two
The component 10 that swash plate plate end is connected, declined board is tilting upwards, and inclined board is tilting downwards, the outer end of the upper and lower swash plate and institute
The inwall connection of housing is stated, the inner side summit after the inner connection of upper and lower two swash plate protrudes from described import 4a and is located at
Below import 4a, tilting declined board can stop that the nitrogen of lower section anoxic zone anti-nitration reaction generation separates out formation from water upwards
Bubble enter ring-type mud-water separating area 4 in and influence the mud-water separation effect in ring-type mud-water separating area 4, inclined board can be by water
The mud mixture in lower channel 6 is flowed to smoothly to be upwardly directed in mud-water separating area 4, and can will be complete in mud-water separating area 4
The sludge to sink into mud-water separation is directed downwardly toward sludge accumulation area 7.
Implementation structural formula described in above-mentioned specific embodiment party is not whole implementation knots under technical solution of the present invention
Structure, other implementation structures based on technical solution of the present invention belong to the scope of the present invention.
Claims (9)
1. sewage water denitrification dephosphorization apparatus, including the housing (1) for vertical cylinder；
The interior intracavitary of the housing (1) is provided with the vertical cylinder of outer layer (2) and the vertical cylinder of internal layer (3)；
The ring-type mud positioned at the housing middle and upper part is formed between the barrel wall and the housing wall of the vertical cylinder of outer layer (2)
Water Disengagement zone (4), ring-type mud-water separating area (4) top connect with delivery port (1d)；
The inner chamber of the vertical cylinder of internal layer (3) is current rising passway (5), and the chamber on the outside of the vertical cylinder of internal layer (3) wall is
Current direction lower channel (6), the upper and lower accent of the vertical cylinder of internal layer (3) inner chamber respectively with the current direction lower channel (6) it is upper,
Bottom is communicated, i.e., water circulation passage, the ring-type mud-water separating area positioned at housing middle and upper part are formed in the housing (1)
(4) import (4a) communicates with current direction lower channel (6) middle and lower part on the outside of the vertical barrel wall of the internal layer；
It is characterized in that：
The lower section of the vertical cylinder of internal layer (3) lower end is that housing (1) intracavity bottom is provided with sludge accumulation area (7)；
Housing (1) bottom wall of inner cavity is provided with water inlet (1a) and mud discharging mouth (1b), water inlet (1a) and mud discharging mouth (1b) point
Do not communicated with the sludge accumulation area (7)；
Provided with sludge lifting device (8), the sludge lifting device (8) includes sludge pump (8a) and positioned at the vertical cylinder of the internal layer
The injection member (8b) of body (3) inner chamber middle and lower part, the muddy water outlet of the sludge pump (8a) and the mud of the injection member (8b)
Water inlet is connected by pipe fitting (8c), and the muddy water import of sludge pump (8a) connects with the sludge accumulation area (7)；
Provided with air supply device (9), the air supply device (9) includes blower fan (9a) and controls the fan driving motor rotation speed change
Frequency converter, and positioned at the vertical cylinder of the internal layer (3) inner chamber middle and lower part and be adjacent to the injection member (8b) aeration
Device 9b, the outlet of the blower fan (9a) are connected with the air inlet of aerator (9b) by pipeline (9c).
2. according to the sewage water denitrification dephosphorization apparatus described in claim 1, it is characterized in that：Aerator in the air supply device (9)
(9b) is located at the vertical cylinder of the internal layer (3) inner chamber middle and lower part, i.e., forms and make in the water circulation passage in the housing (1)
For sewage and end to end anaerobic zone, anoxic zone and aerobic zone, the sludge accumulation area (7) is located at described anaerobism
In area.
3. according to the sewage water denitrification dephosphorization apparatus described in claim 1, it is characterized in that：The bottom of the housing (1) is lower cone
Structure, the sludge accumulation area (7) i.e. in the conical structures of housing (1) bottom in the anaerobism region of intracavitary, it is described enter
The mouth of a river (1a) and mud discharging mouth (1b) are i.e. on the bottom wall of the housing (1) bottom conical structures inner chamber.
4. according to the sewage water denitrification dephosphorization apparatus described in claim 1, it is characterized in that：Housing (1) top is provided with ring-type collection
Mill weir (1c), ring-type water collecting dike (1c) communicate with ring-type mud-water separating area (4) top, have described to go out on ring-type water collecting dike (1c)
The mouth of a river (1d), i.e. ring-type mud-water separating area (4) top are connected by the ring-type water collecting dike (1c) with described delivery port (1d).
5. according to the sewage water denitrification dephosphorization apparatus described in claim 1, it is characterized in that：The import (4a) is located at ring-type muddy water point
From the lower end of area (4), the lower section of import (4a) sets the component (10) being connected by upper and lower two swash plates plate end, and declined board is upward
Put, inclined board is tilting downwards, and the outer end of upper declined board is connected with the wall of the housing, after the inner connection of upper and lower two swash plate
Inner side summit protrude from described import (4a) and below import (4a), tilting declined board can stop that lower section lacks upwards
The bubble that the nitrogen of oxygen area anti-nitration reaction generation separates out formation from water enters in ring-type mud-water separating area (4).
6. according to the sewage water denitrification dephosphorization apparatus described in claim 1, it is characterized in that：The lower end of the vertical cylinder of internal layer (3)
For enlarging flared structure directed downwardly (3a).
7. according to the sewage water denitrification dephosphorization apparatus described in claim 1, it is characterized in that：Dirt in the sludge lifting device (8)
Dredge pump (8a) is located at the housing (1) outside, and the muddy water import of the sludge pump (8a) is in by sludge pipe (8d) with described
Sludge accumulation area (7) connection of anaerobic environment.
8. according to the sewage water denitrification dephosphorization apparatus described in claim 1, it is characterized in that：Dirt in the sludge lifting device (8)
Dredge pump (8a) is located at the housing (1) intracavity bottom and is in the sludge accumulation area (7) of anaerobic environment, the sludge pump (8a)
For Driving-mud Pump, the muddy water import of the Driving-mud Pump directly with described sludge accumulation area (7) phase in anaerobic environment
It is logical.
9. according to claim 1-8 any described sewage water denitrification dephosphorization apparatus, it is characterized in that：The housing of vertical cylinder
(1) it is the vertical tube structure of toroidal or the vertical tube structure of square shape.
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| CN201711089328.5A CN107651753B (en) | 2017-11-08 | 2017-11-08 | Sewage denitrification and dephosphorization device |
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| CN201711089328.5A CN107651753B (en) | 2017-11-08 | 2017-11-08 | Sewage denitrification and dephosphorization device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105298A (en) * | 2021-11-29 | 2022-03-01 | 北京绿恒科技有限公司 | Multistage self-circulation aerobic granular sludge treatment device |
| CN115367888A (en) * | 2022-09-13 | 2022-11-22 | 武汉康司达健康科技有限公司 | From rotating water purification chinampa |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11244891A (en) * | 1998-02-27 | 1999-09-14 | Takuma Co Ltd | Method for denitrification treating waste water and treating system |
| JP2003001293A (en) * | 2001-06-25 | 2003-01-07 | Hitachi Kiden Kogyo Ltd | Method for removing nitrogen in membrane separation type oxidation ditch and device therefor |
| CN1428303A (en) * | 2001-12-28 | 2003-07-09 | 广州市市政工程设计研究院 | Denitrification phosphorus-collecting sewage treatment method and its equipment |
| CN1696069A (en) * | 2004-05-13 | 2005-11-16 | 中国科学院生态环境研究中心 | Integrative reactor for biologic phosphorus removal and denitrogenation from sewage circulated in 3D |
| CN1830844A (en) * | 2006-03-22 | 2006-09-13 | 湖南大学 | Synchronous denitrogen dephosphorus technology of city sewagte |
| CN102583676A (en) * | 2012-03-07 | 2012-07-18 | 中机国际工程设计研究院有限责任公司 | Multifunctional efficient contact reactor |
| CN102786138A (en) * | 2012-07-24 | 2012-11-21 | 西安建筑科技大学 | Sectionalized sewage treatment tank using cyclic activated sludge system |
| US20140097136A1 (en) * | 2011-07-05 | 2014-04-10 | Daewoong Ecosystems And Solution | Composite microorganism reactor, and apparatus and method for water treatment using the same |
-
2017
- 2017-11-08 CN CN201711089328.5A patent/CN107651753B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11244891A (en) * | 1998-02-27 | 1999-09-14 | Takuma Co Ltd | Method for denitrification treating waste water and treating system |
| JP2003001293A (en) * | 2001-06-25 | 2003-01-07 | Hitachi Kiden Kogyo Ltd | Method for removing nitrogen in membrane separation type oxidation ditch and device therefor |
| CN1428303A (en) * | 2001-12-28 | 2003-07-09 | 广州市市政工程设计研究院 | Denitrification phosphorus-collecting sewage treatment method and its equipment |
| CN1696069A (en) * | 2004-05-13 | 2005-11-16 | 中国科学院生态环境研究中心 | Integrative reactor for biologic phosphorus removal and denitrogenation from sewage circulated in 3D |
| CN1830844A (en) * | 2006-03-22 | 2006-09-13 | 湖南大学 | Synchronous denitrogen dephosphorus technology of city sewagte |
| US20140097136A1 (en) * | 2011-07-05 | 2014-04-10 | Daewoong Ecosystems And Solution | Composite microorganism reactor, and apparatus and method for water treatment using the same |
| CN102583676A (en) * | 2012-03-07 | 2012-07-18 | 中机国际工程设计研究院有限责任公司 | Multifunctional efficient contact reactor |
| CN102786138A (en) * | 2012-07-24 | 2012-11-21 | 西安建筑科技大学 | Sectionalized sewage treatment tank using cyclic activated sludge system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105298A (en) * | 2021-11-29 | 2022-03-01 | 北京绿恒科技有限公司 | Multistage self-circulation aerobic granular sludge treatment device |
| CN114105298B (en) * | 2021-11-29 | 2023-11-28 | 北京绿恒科技有限公司 | Multistage self-circulation aerobic granular sludge treatment device |
| CN115367888A (en) * | 2022-09-13 | 2022-11-22 | 武汉康司达健康科技有限公司 | From rotating water purification chinampa |
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| CN107651753B (en) | 2023-06-02 |
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