CN106219874A - A kind of unpowered return integrated sewage treatment device - Google Patents
A kind of unpowered return integrated sewage treatment device Download PDFInfo
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- CN106219874A CN106219874A CN201610709926.7A CN201610709926A CN106219874A CN 106219874 A CN106219874 A CN 106219874A CN 201610709926 A CN201610709926 A CN 201610709926A CN 106219874 A CN106219874 A CN 106219874A
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- zone
- mud
- switch device
- diversion switch
- unpowered
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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
- C02F3/302—Nitrification and denitrification treatment
-
- 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
-
- 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
-
- 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
- C02F2209/16—Total nitrogen (tkN-N)
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- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a kind of unpowered return integrated sewage treatment device, including the anaerobic zone being sequentially communicated, anoxic zone, aerobic zone and settling zone, described aerobic zone and settling zone are arranged at the top of described sewage-treatment plant, described anaerobic zone and anoxic zone are arranged at the bottom of described sewage-treatment plant, described upper and lower is separated by horizontally disposed dividing plate, described anoxic zone and described aerobic zone are by inner side flow passage, described dividing plate is provided with the described aerobic zone of connection and at least one diversion switch device of described anoxic zone, the mixed liquor of described aerobic zone utilizes action of gravity to be back to described anoxic zone by described diversion switch device under described diversion switch device open mode and forms circulation mixed liquor；Above-mentioned sewage-treatment plant makes the mixed liquor of aerobic zone only be back under gravity in anoxic zone by diversion switch device, it is achieved that the unpowered backflow of mixed liquor, the most also can be by the denitrification path of diversion switch device regulation mixed liquor.
Description
Technical field
The present invention relates to technical field of sewage treatment equipment, be specifically related to a kind of unpowered return integrated sewage disposal dress
Put.
Background technology
Along with the development of China's economic society, water resources crisis and water environment pollution increasingly sharpen, all kinds of sewage and waste waters
Discharge capacity is significantly increased, grave danger water body environment, water pollute improvement become domestic and international field of Environment Protection pay close attention to focus it
One.The tupe of sewage is divided into the pattern of focusing on and dispersion tupe, and wherein, municipal sewage uses and focuses on mould
Formula, integrated sewage treating apparatus more agrees with the spy of rural sewage treatment with flexible, easy and efficient dispersion tupe
Point.
Chinese patent literature CN205152014U discloses the most integrated a kind of integrated sewage treating apparatus, including depending on
The anaerobic zone of secondary connection, anoxic zone, aerobic zone and settling zone, described nitrification liquid backflow mechanism, also include in described aerobic zone
Mixed-liquor return in described anoxic zone and the nitrification liquid return current machine that mixes of the anaerobism liquid that is allowed to flow out with described anaerobic zone
Structure, described nitrification liquid backflow mechanism is promoted by mixed liquor described in gas explosion crosses the dividing plate of described aerobic zone and described anoxic zone and returns
It flow to described anoxic zone；But described nitrification liquid refluxes, mechanism needs to make nitrification liquid and mud in a small amount by continuously gas explosion
By dividing plate, utilizing power-equipment to make the mud of nitrification liquid and fraction realize backflow, job costs are high, and efficiency is low, the most easily makes
Become the waste of the energy, and the mixing liquid measure refluxed is limited.
Based on the problems referred to above, Chinese patent literature CN203653329U discloses activated sludge process integrated sewage disposal dress
Putting, the inclined shape of precipitation base plate bottom settling zone, connect with aerobic zone, said apparatus only achieves unpowered time of mud
Stream, but the backflow of nitrification liquid cannot be made, it is impossible to nitrification liquid is carried out denitrogenation repeatedly, makes the nitrogen content of sewage arrive standard value,
And equipment is little, it is impossible to substantial amounts of sewage is processed.
In sum, there is certain defect, nothing to the backflow of mud and nitrification liquid in described integrated sewage treating apparatus
Method realizes the unpowered backflow of mud and nitrification liquid.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the integrated sewage treating apparatus in prior art cannot be real
The now defect of backflow unpowered to mud and nitrification liquid, thus provide one can realize the unpowered backflow of mixed liquor, efficiency is high, and
The unpowered return integrated sewage treatment device in denitrification path can be regulated.
A kind of unpowered return integrated sewage treatment device, including the anaerobic zone being sequentially communicated, anoxic zone, aerobic zone and
Settling zone, described aerobic zone and settling zone are arranged at the top of described sewage-treatment plant, described anaerobic zone and anoxic zone and arrange
In the bottom of described sewage-treatment plant, described upper and lower is separated by horizontally disposed dividing plate, is positioned at the described of bottom
Anoxic zone and superposed described aerobic zone are by flow passage inside described sewage-treatment plant, and described dividing plate is provided with even
Connecing at least one diversion switch device of described aerobic zone and described anoxic zone, the mixed liquor of described aerobic zone is opened at described water conservancy diversion
Close and under device open mode, utilize action of gravity to be back to the formation circulation mixing of described anoxic zone by described diversion switch device
Liquid.
Preferably, described diversion switch device includes the flow-guiding mouth being located on described dividing plate, and can open and close institute
State the deflector of flow-guiding mouth.
Preferably, described deflector is hinged through the hinge to described flow-guiding mouth, rotatable opens or closes described flow-guiding mouth.
Preferably, described deflector connects and has chain, can lead described in Unscrew by pulling up described chain
Stream plate.
Preferably, described dividing plate is spaced in the horizontal direction and arranges two described diversion switch devices, two described water conservancy diversion
Switching device includes the first diversion switch device of relatively close described settling zone and is relatively distant from the second of described settling zone and leads
Stream switching device.
Preferably, the described dividing plate of described aerobic zone is provided with micropore aeration pipe, and described micropore aerating pipe is by described first
Diversion switch device and the second diversion switch device are separated into three regions, the installation in three regions of the described micropore aeration pipe
Density is gradually reduced along water (flow) direction.
Preferably, the packing density of described micropore aeration pipe is than for 5:3:2.
Preferably, between described settling zone and described anaerobic zone, be provided with muddy water mixed zone, described muddy water mixed zone respectively with
Described anaerobic zone and settling zone are separated by perforated plate and dividing plate.
Preferably, described muddy water mixed zone is provided with narrower portion in the middle of the water inlet pipe of Venturi tube structure, described water inlet pipe
Connected with the discharge pipeline being positioned at bottom, described settling zone by mud return line, and with the dirt being arranged on described mud return line
Mud reflux inlet controls the backflow of mud；Described discharge pipeline be positioned at the outside of described mud return line be provided with mud can be discharged described
The mud valve of unpowered return integrated sludge treatment equipment.
Preferably, it is separated by baffle plate between described anaerobic zone and described anoxic zone, described baffle plate and described dividing plate
Between the passage that formed form the anaerobism fluid outlet of described anaerobic zone；It is provided with to draw between described anoxic zone and described aerobic zone
The drainage plate that stream plate pillar supports.
Preferably, described settling zone includes the inclined tube filler that can accelerate particulate matter precipitation, is positioned under described inclined tube filler
End, the mud tipping bucket of collection mud, be arranged at the effluent weir on described inclined tube filler top, and carried out by the clear water of described effluent weir
The clear water zone collected, described clear water zone is provided with outlet pipe.
Technical solution of the present invention, has the advantage that
1. the unpowered return integrated sewage treatment device that the present invention provides, dividing plate is provided with connection aerobic zone and anoxia
At least one diversion switch device in district, the mixed liquor of aerobic zone utilizes action of gravity to lead under diversion switch device open mode
Cross diversion switch device and be back to anoxic zone formation circulation mixed liquor；Above-mentioned sewage-treatment plant is made by diversion switch device
Aerobic zone connects with anoxic zone, because aerobic zone is positioned at the top of anoxic zone, can make the mixed of aerobic zone by diversion switch device
Close liquid to be only back under gravity in anoxic zone, it is achieved that the unpowered backflow of mixed liquor, i.e. achieve mud and nitrification
The unpowered backflow of liquid；It addition, when diversion switch device is two or more, user can be according to sewage-treatment plant
Water inlet nitrogen content and the concentration of water outlet nitrogen content, the diversion switch device that closure or openness are different, mixed liquor is increased or decreased
Denitrification distance in anoxic zone, i.e. regulates the denitrification path of mixed liquor, it is achieved completely removing of the total nitrogen in sewage.
Nitrogen pollutant in sewage is converted into nitrate nitrogen through the Nitrification of nitrifier in aerobic zone, and nitrification is made
With simply having converted the form of nitrogen, the most really go out in decontaminated water but, need to be converted into by nitrate nitrogen by Denitrification
Nitrogen, makes the total nitrogen in water up to standard, and the present invention utilizes diversion switch device directly by unpowered to nitrification liquid and the mud of aerobic zone
It is back in anoxic zone, and the regulation in denitrification path can be realized by controlling the opening and closing of different diversion switch device, reach total
The purpose that nitrogen is removed.
2. the unpowered return integrated sewage treatment device that the present invention provides, the dividing plate of aerobic zone is provided with micro-pore aeration
Pipe, micropore aerating pipe is separated into three parts by the first diversion switch device and the second diversion switch device, and the installation of aeration tube is close
Degree is gradually reduced along water (flow) direction；This structure can increase the oxygen content in aerobic zone, makes the anoxia liquid of entrance aerobic zone with good
Biological fully reaction in oxygen district.
3. the unpowered return integrated sewage treatment device that the present invention provides, is provided with muddy water between settling zone and anaerobic zone
Mixed zone；Above-mentioned muddy water mixed zone is entering anaerobic zone after being to ensure that being sufficiently mixed of mud and sewage, it is simple to anaerobic zone
To mud and the biochemical treatment of misunderstanding mixed liquor.
4. the unpowered return integrated sewage treatment device that the present invention provides, muddy water mixed zone is provided with Venturi tube structure
Water inlet pipe, narrower portion is connected with the discharge pipeline being positioned at bottom, settling zone by mud return line in the middle of water inlet pipe, and with setting
The backflow of the sludge reflux Valve controlling mud being placed on mud return line；Discharge pipeline is positioned at the outside of described mud return line and sets
There is the spoil disposal valve that mud can be discharged described unpowered return integrated sludge treatment equipment；Said structure utilizes water inlet pipe
Venturi tube structure (two ends are slightly middle thin), current are entered tubule portion flow rate by thick tube part and increase, generation negative pressure, thus by
Mud in discharge pipeline is drawn in muddy water mixed zone by mud return line, the mud of settling zone can be made to come back to equipment raw
Change the front end in district, it is ensured that the Biomass of equipment.
5. the unpowered return integrated sewage treatment device that the present invention provides, passes through baffle plate between anaerobic zone and anoxic zone
Being separated, the passage formed between baffle plate and dividing plate forms the anaerobism fluid outlet of anaerobic zone；Between anaerobic zone and anoxic zone
The baffle plate anaerobe that is avoided that in anaerobic zone enter in anoxic zone, it is ensured that the quantity of anaerobe in anaerobic zone.
6. the unpowered return integrated sewage treatment device that the present invention provides, settling zone includes that can accelerate particulate matter sinks
The inclined tube filler formed sediment, is positioned at inclined tube filler lower end, the mud tipping bucket of collection mud, is arranged at the water outlet on described inclined tube filler top
Weir, and the clear water zone being collected by the clear water of effluent weir, clear water zone is provided with outlet pipe；Said structure enters precipitation at mixed liquor
Qu Hou, makes sludge settling through inclined tube filler, and clear water rises, and clear water overflows from effluent weir along water (flow) direction, clear water zone receive
Collecting and discharge from outlet pipe, mud is then collected by mud tipping bucket, can discharge through discharge pipeline or come back to the front end of biochemical zone.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Unpowered return integrated sewage treatment device each functional areas putting position schematic diagram that Fig. 1 provides for the present invention；
Fig. 2 is the A-A visual angle figure of the unpowered return integrated sewage treatment device shown in Fig. 1；
Fig. 3 is the B-B visual angle figure of the unpowered return integrated sewage treatment device shown in Fig. 1；
Fig. 4 is the pipeline scattergram shown in Fig. 1；
Description of reference numerals: 1-anaerobic zone, 11-baffle plate, 2-anoxic zone, 21-underwater scooter, 3-aerobic zone, 31-drain
Plate pillar, 32-drainage plate, 4-settling zone, 41-inclined tube filler, 42-mud tipping bucket, 43-effluent weir, 44-outlet pipe, 5-dividing plate,
6-diversion switch device, 61-flow-guiding mouth, 62-deflector, 63-chain, 7-micropore aeration pipe, 71-gas transmission arm, 72-gas transmission master
Pipe, 73-gas explosion blower fan, 8-muddy water mixed zone, 81-perforated plate, 91-water inlet pipe, 92-mud return line, 93-sludge reflux valve,
94-discharge pipeline, 95-mud valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
Each functional areas ornaments schematic diagram of the unpowered return integrated sewage treatment device that Fig. 1 provides for the present embodiment；
Described unpowered return integrated sewage treatment device includes anaerobic zone 1, anoxic zone 2, aerobic zone 3 and the settling zone being sequentially communicated
4。
As it is shown in figure 1, described anaerobic zone 1, anoxic zone 2, aerobic zone 3 and settling zone distribution relation are: described aerobic zone 3 He
Settling zone is arranged at the top of described sewage-treatment plant, and described anaerobic zone 1 and anoxic zone 2 are arranged at described sewage-treatment plant
Bottom, described upper and lower is separated by horizontally disposed dividing plate 5, is positioned at the described anoxic zone 2 of bottom and is positioned at top
Described aerobic zone 3 by flow passage inside described sewage-treatment plant, particularly, it is described that described dividing plate 5 is provided with connection
At least one diversion switch device 6 of aerobic zone 3 and described anoxic zone 2, the mixed liquor of described aerobic zone 3 is at described diversion switch
Utilize action of gravity to pass through described diversion switch device 6 under device 6 open mode and be back to the formation circulation mixing of described anoxic zone 2
Liquid.
Above-mentioned sewage-treatment plant makes described aerobic zone 3 with described anoxic zone 2 even by described diversion switch device 6
Logical, because described aerobic zone 3 is positioned at the top of described anoxic zone 2, described aerobic zone 3 can be made by described diversion switch device 6
Mixed liquor be only back under gravity in described anoxic zone 2, it is achieved that the unpowered backflow of mixed liquor, i.e. achieve dirt
Mud and the unpowered backflow of nitrification liquid；It addition, when described diversion switch device 6 is two or more, user can root
According to water inlet nitrogen content and the concentration of water outlet nitrogen content of described sewage-treatment plant, the described diversion switch that closure or openness are different
Device 6, is increased or decreased mixed liquor denitrification distance in described anoxic zone 2, i.e. regulates the denitrification path of mixed liquor, it is achieved
Completely removing of total nitrogen in sewage.
Nitrogen pollutant in sewage is converted into nitrate nitrogen through the Nitrification of nitrifier in aerobic zone 3, and nitrification
Effect has simply converted the form of nitrogen, the most really go out in decontaminated water but, need to be converted by nitrate nitrogen by Denitrification
For nitrogen, making the total nitrogen in water up to standard, the present invention utilizes described diversion switch device 6 direct by the nitrification liquid of described aerobic zone 3
With sludge reflux in described anoxic zone 2, and denitrification road can be realized by controlling the opening and closing of different described diversion switch devices 6
The regulation in footpath, reaches the purpose that total nitrogen is removed.
Concrete, as depicted in figs. 1 and 2, described diversion switch device 6 includes the flow-guiding mouth 61 being located on described dividing plate 5,
And the deflector 62 of described flow-guiding mouth 61 can be opened and closed, described deflector 62 is hinged through the hinge to described flow-guiding mouth
61, rotatable open or close described flow-guiding mouth 61；Meanwhile, on described deflector 62, connection has chain 63, by pulling up
Described chain 63 can deflector 62 described in Unscrew, described chain 63 be positioned at described deflector 62 not with described flow-guiding mouth 61
The side connected.
Described diversion switch device 6 utilizes described hinged with described dividing plate 5 of the described flow-guiding mouth 61 on described dividing plate 5
Deflector 62 and be connected to the described chain 63 of described deflector 62 and realize the unpowered backflow of mixed liquor, its work process is:
Pulling up described chain 63, the side of the described deflector 62 being connected with described chain 63 also moves upward, described flow-guiding mouth
61 open, and nitrification liquid and mud in described aerobic zone 3 enter described anoxic zone by described flow-guiding mouth 61 under gravity
2, make nitrification liquid and mud re-start denitrogenation processing in described anoxic zone 2, it is achieved that nitrification liquid and unpowered time of mud
Also described sewage-treatment plant will not be made while stream to block, and simple in construction, pipeline equipment is few, is greatly reduced simultaneously
Job costs and the installation cost of equipment.
It should be noted that the hinged preferred version for the present embodiment, described deflector 62 also may select with described dividing plate 5
Other connected mode, such as pin joint etc..
Further, described dividing plate 5 is spaced in the horizontal direction and arranges two described diversion switch devices 6, leads described in two
Stream switching device 6 includes the first diversion switch device of relatively close described settling zone and is relatively distant from the second of described settling zone
Diversion switch device；It should be noted that this is the preferred version of the present embodiment, can be according to practical situation and need to select other
The described diversion switch device 6 of quantity, such as one, three, five etc..
Further, as shown in Figure 4, the described dividing plate 5 of described aerobic zone 3 is provided with micropore aeration pipe 7, described micropore gas explosion
Pipe is separated into three regions by described first diversion switch device and the second diversion switch device, and described micropore aeration pipe 7 is three
Packing density in individual region is gradually reduced along water (flow) direction, and this structure can increase the oxygen content in described aerobic zone 3, make into
Enter the anoxia liquid of described aerobic zone 3 and the biological fully reaction in described aerobic zone 3, due to pollutant levels with water (flow) direction by
The fewest, the demand of oxygen is also gradually decreased with water yield direction, the packing density of described micropore aeration pipe 7 is with water (flow) direction
Reduce and be avoided that the waste caused because of oxygenation excess；Described micropore aeration pipe 7 by gas explosion blower fan 73 through gas transmission supervisor 72 and defeated
Gas branch pipe 71 supplies.
Concrete, the packing density of described micropore aeration pipe 7 ratio is for 5:3:2, it should be noted that this is the present embodiment
Preferred version, can be according to actual situation with need to select the packing density of other ratio.
Further, as shown in figures 1 and 3, muddy water mixed zone 8, institute it are provided with between described settling zone 4 and described anaerobic zone 1
State muddy water mixed zone 8 to be separated by perforated plate 81 and dividing plate 5 with described anaerobic zone 1 and settling zone 4 respectively；Described muddy water mixes
Close after district 8 is to ensure that being sufficiently mixed of mud and sewage and enter back into described anaerobic zone 1, it is simple to described anaerobic zone 1 is to mud
With the biochemical treatment misunderstanding mixed liquor.
Further, described muddy water mixed zone 8 is provided with in the middle of the water inlet pipe 91 of Venturi tube structure, described water inlet pipe 91 thinner
Part is connected with the discharge pipeline 94 being positioned at bottom, described settling zone 4 by mud return line 92, and returns with being arranged at described mud
Sludge reflux valve 93 in flow tube 92 controls the backflow of mud；Described discharge pipeline 94 is positioned at the outside of described mud return line 92 and sets
There is the mud valve 95 that mud can be discharged described sludge treatment equipment；Said structure utilizes the Venturi tube of described water inlet pipe 91 to tie
Structure (two ends are slightly middle thin), current are entered tubule portion flow rate by thick tube part and increase, and produce negative pressure, thus by described discharge pipeline
Mud in 94 is drawn in described muddy water mixed zone 8 by described mud return line 92, can make the mud weight of described settling zone 4
Newly return to the front end of equipment biochemical zone, it is ensured that the Biomass of equipment.
Further, it is separated by baffle plate 11 between described anaerobic zone 1 and described anoxic zone 2, described baffle plate 11 and institute
State the passage formed between dividing plate 5 and form the anaerobism fluid outlet of described anaerobic zone 1；Described anoxic zone 2 and described aerobic zone 3 it
Between be provided with drainage plate pillar 31 support drainage plate 32；Baffle plate 11 between described anaerobic zone 1 and described anoxic zone 2 is avoided that
Anaerobe in described anaerobic zone 1 enters in described anoxic zone 2, it is ensured that the quantity of anaerobe in described anaerobic zone 1.
Further, described settling zone 4 includes the inclined tube filler 41 that can accelerate particulate matter precipitation, is positioned at described inclined tube filler
41 lower ends, the mud tipping bucket 42 of collection mud, be arranged at the effluent weir 43 on described inclined tube filler 41 top, and by described effluent weir
The clear water zone that the clear water of 43 is collected, described clear water zone is provided with outlet pipe 44；Said structure enters described precipitation at mixed liquor
Behind district 4, making sludge settling through described inclined tube filler 41, clear water rises, and clear water overflows from described effluent weir 43 along water (flow) direction
Going out, clear water zone collect and discharge from described outlet pipe 44, mud is then collected by described mud tipping bucket 42, can be through described spoil disposal
The front end of biochemical zone is discharged or come back to pipe 94.
Further, in order to strengthen the mobility of described sewage-treatment plant, typically can set bottom described muddy water mixed zone 8
Put underwater scooter 21, promote current to advance；The lower section of the described runner connected with described anoxic zone 2 in described aerobic zone 3 sets
It is equipped with underwater scooter 21, mixed liquor in described anoxic zone 2 is promoted to described aerobic zone 3.
The operation principle of described sewage-treatment plant is as follows:
First, sewage is entered described muddy water mixed zone 8 by described water inlet pipe 91, and carries returned sludge, sewage and mud
Described anaerobic zone 1, larger molecular organics quilt in sewage is entered through described perforated plate 81 after described muddy water mixed zone 8 is sufficiently mixed
Anaerobe is decomposed into small organic molecule；Then, in described anaerobic zone 1 muddy water mixed solution jump over described baffle plate 11 enter described lack
Oxygen district 2, in described anoxic zone 2, the nitrate nitrogen in muddy water mixed solution is reduced to nitrogen by denitrifying bacteria, thus removes in water
Total nitrogen；Then, water flows through described submersible water impeller 21 and is lifted up entering described aerobic zone 3 through described drainage plate 32, mud and
Nitrification liquid and the aerobic bacteria biochemical reaction in described aerobic zone 3, after described aerobic zone 3 processes, mixed liquor enters described precipitation
District 4, the mud in mixed liquor is settled down to mud tipping bucket 42 in described inclined tube filler 41, and clear water rises, from described effluent weir 43
Overflow into described clear water zone, by the water outlet of described outlet pipe 44；Mud is assembled in described mud tipping bucket 42, described by opening
Mud valve 95, mud discharges described sludge treatment equipment through described discharge pipeline 94, mud also can pass through described mud return line 92,
93, sludge reflux valve and water inlet pipe 91 realize sludge reflux.
As it is shown in figure 1, when opening described first diversion switch device, closing described second diversion switch device, nitrification
Liquid and mud are back to described anoxic zone 2 by described first diversion switch device；When opening the second diversion switch device, Guan Bi the
During one diversion switch device, nitrification liquid and mud are back to described anoxic zone 2 by the second diversion switch device；Described diversion switch
After device 6 is opened, the described aerobic zone 3 on the right side of described diversion switch device 6 forms interior circulation with described anoxic zone 2, constitutes one
Individual small-sized oxidation ditch, is circulated process.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (11)
1. a unpowered return integrated sewage treatment device, it is characterised in that include the anaerobic zone (1) being sequentially communicated, lack
Oxygen district (2), aerobic zone (3) and settling zone (4), described aerobic zone (3) and settling zone (4) are arranged at described sewage-treatment plant
Top, described anaerobic zone (1) and anoxic zone (2) is arranged at the bottom of described sewage-treatment plant, and described upper and lower is passed through
Horizontally disposed dividing plate (5) separates, and institute is passed through with superposed described aerobic zone (3) in the described anoxic zone (2) being positioned at bottom
Stating flow passage inside sewage-treatment plant, described dividing plate (5) is provided with the described aerobic zone of connection (3) and described anoxic zone (2)
At least one diversion switch device (6), the mixed liquor of described aerobic zone (3) is in described diversion switch device (6) open mode
Under utilize action of gravity pass through described diversion switch device (6) be back to described anoxic zone (2) formed circulation mixed liquor.
Unpowered return integrated sewage treatment device the most according to claim 1, it is characterised in that described diversion switch
Device (6) includes the flow-guiding mouth (61) being located on described dividing plate (5), and can open and close the water conservancy diversion of described flow-guiding mouth (61)
Plate (62).
Unpowered return integrated sewage treatment device the most according to claim 2, it is characterised in that described deflector
(62) it is hinged through the hinge to described flow-guiding mouth (61), rotatable opens or closes described flow-guiding mouth (61).
Unpowered return integrated sewage treatment device the most according to claim 3, it is characterised in that described deflector
(62) upper connection has chain (63), can deflector (62) described in Unscrew by pulling up described chain (63).
Unpowered return integrated sewage treatment device the most according to claim 1, it is characterised in that described dividing plate (5)
Interval arranges two described diversion switch devices (6) in the horizontal direction, and two described diversion switch devices (6) include relatively leaning on
First diversion switch device of nearly described settling zone (4) and the second diversion switch device being relatively distant from described settling zone (4).
6. according to the arbitrary described unpowered return integrated sewage treatment device of claim 1-5, it is characterised in that corresponding institute
The described dividing plate (5) stating aerobic zone (3) is provided with micropore aeration pipe (7), and described micropore aerating pipe is by described first diversion switch
Device and the second diversion switch device are separated into three regions, the described micropore aeration pipe (7) packing density in three regions
It is gradually reduced along water (flow) direction.
Unpowered return integrated sewage treatment device the most according to claim 6, it is characterised in that described micro-pore aeration
The packing density of pipe (7) ratio is for 5:3:2.
Unpowered return integrated sewage treatment device the most according to claim 1, it is characterised in that described settling zone
(4) and be provided with muddy water mixed zone (8) between described anaerobic zone (1), described muddy water mixed zone (8) respectively with described anaerobic zone (1)
It is separated by perforated plate (81) and dividing plate (5) with settling zone (4).
Unpowered return integrated sewage treatment device the most according to claim 8, it is characterised in that described muddy water mixes
District (8) is provided with narrower portion in the middle of the water inlet pipe (91) of Venturi tube structure, described water inlet pipe (91) and passes through mud return line
(92) connect with the discharge pipeline (94) being positioned at described settling zone (4) bottom, and with being arranged on described mud return line (92)
Sludge reflux valve (93) controls the backflow of mud；Described discharge pipeline (94) is positioned at that the outside of described mud return line (92) is provided with can
Mud is discharged the mud valve (95) of described unpowered return integrated sludge treatment equipment.
Unpowered return integrated sewage treatment device the most according to claim 1, it is characterised in that described anaerobic zone
(1) and it is separated by baffle plate (11) between described anoxic zone (2), is formed between described baffle plate (11) and described dividing plate (5)
Passage form the anaerobism fluid outlet of described anaerobic zone (1)；Be provided with between described anoxic zone (2) and described aerobic zone (3) with
The drainage plate (32) that drainage plate pillar (31) supports.
11. unpowered return integrated sewage treatment devices according to claim 1, it is characterised in that described settling zone
(4) include the inclined tube filler (41) that can accelerate particulate matter precipitation, be positioned at described inclined tube filler (41) lower end, the dirt of collection mud
Mud tipping bucket (52), is arranged at the effluent weir (43) on described inclined tube filler (41) top, and is entered by the clear water of described effluent weir (43)
The clear water zone that row is collected, described clear water zone is provided with outlet pipe (44).
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| CN201610709926.7A CN106219874A (en) | 2016-08-22 | 2016-08-22 | A kind of unpowered return integrated sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709926.7A CN106219874A (en) | 2016-08-22 | 2016-08-22 | A kind of unpowered return integrated sewage treatment device |
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| Publication Number | Publication Date |
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| CN106219874A true CN106219874A (en) | 2016-12-14 |
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| CN201610709926.7A Pending CN106219874A (en) | 2016-08-22 | 2016-08-22 | A kind of unpowered return integrated sewage treatment device |
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| CN106830329A (en) * | 2017-03-30 | 2017-06-13 | 居文钟 | Double-decker three-dimensional circular-flow integration oxidation ditch |
| CN107129115A (en) * | 2017-06-29 | 2017-09-05 | 长安大学 | A kind of carbon nitrogen phosphorus and sludge treatment integrated small sewage-treatment plant and technique |
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| CN205893029U (en) * | 2016-08-22 | 2017-01-18 | 华仪环保有限公司 | Unpowered backward flow integrative sewage treatment device |
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| CN205133244U (en) * | 2015-11-25 | 2016-04-06 | 成都泰之源环保科技有限公司 | Efficient integrated sewage treatment device |
| CN105347489A (en) * | 2015-12-03 | 2016-02-24 | 华仪环保有限公司 | Efficient integrated sewage treatment equipment |
| CN205893029U (en) * | 2016-08-22 | 2017-01-18 | 华仪环保有限公司 | Unpowered backward flow integrative sewage treatment device |
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| CN106830329A (en) * | 2017-03-30 | 2017-06-13 | 居文钟 | Double-decker three-dimensional circular-flow integration oxidation ditch |
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