CN208517237U - Sewage disposal device - Google Patents
Sewage disposal device Download PDFInfo
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- CN208517237U CN208517237U CN201821083745.9U CN201821083745U CN208517237U CN 208517237 U CN208517237 U CN 208517237U CN 201821083745 U CN201821083745 U CN 201821083745U CN 208517237 U CN208517237 U CN 208517237U
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Abstract
The utility model provides a kind of sewage disposal device, including phosphorus removal bio pond, sedimentation basin and denitrogenates biological tank, and phosphorus sludge is removed for loading in phosphorus removal bio pond, to remove the P elements being passed through in the raw sewage in phosphorus removal bio pond；And raw sewage is converted to single treatment sewage, sedimentation basin is connected with phosphorus removal bio pond, secondary treatment sewage and precipitating sludge are separated into the single treatment sewage that will be passed through in sedimentation basin, denitrogenate biological tank for load denitrogenate sludge, it denitrogenates biological tank to be connected with sedimentation basin, to remove the nitrogen being passed through in the secondary treatment sewage for denitrogenating biological tank.The utility model solves denitrifying bacterium and polyP bacteria in the prior art and works in same biological tank, so as to cause the problem of the dephosphorization and denitrification effect difference to sewage.
Description
Technical field
The utility model relates to technical field of sewage, in particular to a kind of sewage disposal device.
Background technique
The content of water eutrophication and nitrogen in water and P elements is closely related, it is therefore desirable to except the phosphorus in decontaminated water
Element and nitrogen, to prevent water-stop body eutrophication.
Existing sewage disposal device usually only be arranged a biological tank, and by biological tank be divided into anaerobic reation pool section,
Hypoxia response pond section, aerobic reaction tank section and sedimentation basin section, specifically, using existing sewage disposal device to sewage into
When row processing, sewage is successively passed through to anaerobic reation pool section, hypoxia response pond section, aerobic reaction tank section and the sedimentation basin of biological tank
Section, the polyP bacteria in sludge is stored in after converting poly- β hydroxybutyric acid for the volatile fatty acid in sewage in anaerobic environment
In vivo, while by phosphate sewage is discharged into, later, the polyP bacteria in sludge is in aerobic environment by the phosphate in sewage
It synthesizes Quadrafos and stores in vivo, to remove the P elements in sewage；It also needs the sludge and sewage time after dephosphorization
It is flow to hypoxia response pond section, is gone down in anaerobic environment except the nitrogen in sewage using the heterotrophic denitrifying Bacteria in sludge.
But since a biological tank is only arranged in existing sewage disposal device, heterotrophic denitrifying Bacteria and polyP bacteria are simultaneously in biology
It working in pond, heterotrophic denitrifying Bacteria can fight for carbon source with polyP bacteria, meanwhile, the generation cycle of heterotrophic denitrifying Bacteria is compared
It to be grown in the generation cycle of polyP bacteria, cause sewage to need stay longer in hypoxia response pond section, in this way, being unfavorable for poly- phosphorus
The growth of bacterium, is easy to cause sludge aging, to cause the dephosphorization and denitrification effect of multistage treatment process poor.
Utility model content
The main purpose of the utility model is to provide a kind of sewage disposal devices, to solve denitrification in the prior art
Bacterium and polyP bacteria work in same biological tank, so as to cause the problem of the dephosphorization and denitrification effect difference to sewage.
To achieve the goals above, the utility model provides a kind of sewage disposal device, comprising: phosphorus removal bio pond is removed
Phosphorus biological tank removes phosphorus sludge for loading, to remove the P elements being passed through in the raw sewage in phosphorus removal bio pond；And raw sewage is turned
It is melted into single treatment sewage；Sedimentation basin, sedimentation basin are connected with phosphorus removal bio pond, and the single treatment that will be passed through in sedimentation basin is dirty
Water is separated into secondary treatment sewage and precipitating sludge；Denitrogenate biological tank, denitrogenate biological tank for load denitrogenate sludge, denitrogenate biology
Pond is connected with sedimentation basin, to remove the nitrogen being passed through in the secondary treatment sewage for denitrogenating biological tank.
Further, sedimentation basin is integrated with phosphorus removal bio pond, and the bottom of sedimentation basin is connected with phosphorus removal bio pond
It is logical.
Further, sedimentation basin is inclined-plate clarifying basin.
Further, phosphorus removal bio pond along the flow direction of raw sewage includes the anaerobic reation pool section being connected and aerobic anti-
Pond section is answered, the polyP bacteria that anaerobic reation pool section is used to make remove in phosphorus sludge is in anaerobic environment by the volatile fat in raw sewage
Acid is stored in vivo after being converted into poly- β hydroxybutyric acid, while phosphate is discharged into raw sewage；Raw sewage and remove phosphorus sludge one
It rises and is passed through aerobic reaction tank section, aerobic reaction tank section is used to make the polyP bacteria removed in phosphorus sludge will be in raw sewage in aerobic environment
Ruminants animal Quadrafos and store in vivo；Meanwhile aerobic reaction tank section is used to make except the ammonifiers in phosphorus sludge will
Organic nitrogen in raw sewage is converted into ammonia nitrogen, and ammonia nitrogen is converted into nitrate under the action of removing the nitrifier in phosphorus sludge.
Further, sewage disposal device further includes aerator, and the bottom of aerobic reaction tank section is arranged in aerator,
To provide oxygen for aerobic reaction tank section.
Further, sewage disposal device further includes sludge circulation device, and sludge circulation device includes: sludge lifting pipe
Road, one end of sludge lifting pipeline extend at the mud discharging mouth of the sedimentation basin in aerobic reaction tank section, sludge lifting pipeline it is another
One end is connected to anaerobic reation pool section；Airlift pump, airlift pump are arranged on sludge lifting pipe road, and airlift pump has air inlet；
Supply air line, supply air line is connected to aerator and air inlet, to provide gas source for airlift pump.
Further, sewage disposal device further includes sludge circulation device, and sludge circulation device includes sludge carrier pipe road
And reflux pump, the one end on sludge carrier pipe road are connected to the mud discharging mouth of sedimentation basin, the other end and anaerobism on sludge carrier pipe road are anti-
Pond section connection is answered, reflux pump is arranged on sludge carrier pipe road, and precipitating sludge is defeated by sludge under the action of reflux pump
It send pipeline to be passed through in anaerobic reation pool section to be recycled.
Further, sewage disposal device further includes precipitating sludge discharge pipe, precipitating sludge discharge pipe and sedimentation basin
Bottom connection, precipitating sludge is discharged to the outside environment.
Further, sewage disposal device further includes nitrogen collection device, and biological tank is being denitrogenated in the setting of nitrogen collection device
Top, to be collected to denitrogenating the nitrogen generated in biological tank.
Further, sewage disposal device further includes gas transfer pipeline, and one end of gas transfer pipeline and nitrogen are collected
Device connection, the other end of gas transfer pipeline protrudes into anaerobic reation pool section, in anaerobic reation pool section raw sewage and
Except phosphorus sludge is stirred.
It is utilized using the technical solution of the utility model by the way that mutually independent phosphorus removal bio pond is arranged and denitrogenates biological tank
It is loaded in phosphorus removal bio pond and removes phosphorus sludge, remove the P elements in raw sewage, and raw sewage is converted to single treatment sewage；It
Afterwards, single treatment sewage is separated into secondary treatment sewage and precipitating sludge using sedimentation basin；It is removed using biological tank loading is denitrogenated
Nitrogen sludge carries out denitrogenation processing to secondary treatment sewage, removes the nitrogen in secondary treatment sewage.In this way, except in phosphorus sludge
PolyP bacteria and denitrogenating will not influence each other between denitrifying bacterium in sludge, i.e., denitrifying bacterium no longer fights for carbon with polyP bacteria
Source strengthens the effect of the anaerobic phosphorus release of polyP bacteria, meanwhile, shorter residence time of the raw sewage in phosphorus removal bio pond, favorably
In the growth of polyP bacteria, except phosphorus sludge is non-aging, thus be conducive to be promoted the effect of P elements in removal raw sewage, also,
Since the working environment of polyP bacteria is anaerobic environment and aerobic environment, the working environment of denitrifying bacterium is anaerobic environment, aerobic ring
Border is stronger to the inhibiting effect of denitrifying bacterium, is unfavorable for the growth of denitrifying bacterium, is denitrogenating denitrifying bacterium in biological tank individually
Work is conducive to the effect for promoting nitrogen in removal raw sewage, therefore sewage disposal device provided by the present application improves pair
The dephosphorization and denitrification effect of raw sewage.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows a kind of structural schematic diagram of the sewage disposal device of alternative embodiment according to the present utility model；
Fig. 2 shows the structural schematic diagrams of the sewage disposal device of another alternative embodiment according to the present utility model.
Wherein, the above drawings include the following reference numerals:
10, phosphorus removal bio pond；11, anaerobic reation pool section；12, aerobic reaction tank section；20, sedimentation basin；21, mud discharging mouth；30,
Denitrogenate biological tank；40, aerator；50, sludge circulation device；51, sludge lifting pipeline；52, airlift pump；53, supply air line；
54, sludge carrier pipe road；55, reflux pump；60, precipitating sludge discharge pipe；70, nitrogen collection device；80, air shooter
Road；90, precipitating sludge discharge tube；100, mud discharging pipeline is denitrogenated.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
It works in same biological tank to solve denitrifying bacterium and polyP bacteria in the prior art, so as to cause to sewage
Dephosphorization and denitrification effect difference problem, the utility model provides a kind of sewage disposal device.
It should be noted that removing in phosphorus removal bio pond 10 described in the embodiment of the present application includes at least poly- phosphorus in phosphorus sludge
Bacterium, nitrifier, ammonifiers and COD degradation bacterium, it is main using the P elements removed except the polyP bacteria in phosphorus sludge in sewage, but remove
The function of phosphorus sludge is without being limited thereto, also has and converts ammonia nitrogen for the organic nitrogen in sewage, then by mineralized nitrogen is nitrate, with
And remove the function of organic matter (carbon based pollutants) superfluous in sewage.
As shown in Figure 1, sewage disposal device includes phosphorus removal bio pond 10, sedimentation basin 20 and denitrogenates biological tank 30, dephosphorization is raw
Phosphorus sludge is removed for loading in object pond 10, to remove the P elements being passed through in the raw sewage in phosphorus removal bio pond 10；And raw sewage is turned
It is melted into single treatment sewage, sedimentation basin 20 is connected with phosphorus removal bio pond 10, and the single treatment that will be passed through in sedimentation basin 20 is dirty
Water is separated into secondary treatment sewage and precipitating sludge, denitrogenate biological tank 30 for load denitrogenate sludge, denitrogenate biological tank 30 with sink
Shallow lake pond 20 is connected, to remove the nitrogen being passed through in the secondary treatment sewage for denitrogenating biological tank 30.
In alternative embodiment shown in fig. 1, by the way that mutually independent phosphorus removal bio pond 10 is arranged and denitrogenates biological tank 30, benefit
Phosphorus sludge is removed with loading in phosphorus removal bio pond 10, removes the P elements in raw sewage, and raw sewage is converted to single treatment dirt
Water；Later, single treatment sewage is separated into secondary treatment sewage and precipitating sludge using sedimentation basin 20；Using denitrogenating biological tank
30 loadings denitrogenate sludge, carry out denitrogenation processing to secondary treatment sewage, remove the nitrogen in secondary treatment sewage.In this way, removing
PolyP bacteria in phosphorus sludge and denitrogenating will not influence each other between denitrifying bacterium in sludge, i.e., denitrifying bacterium no longer with polyP bacteria
Carbon source is fought for, the effect of the anaerobic phosphorus release of polyP bacteria is strengthened, meanwhile, residence time contracting of the raw sewage in phosphorus removal bio pond 10
It is short, be conducive to the growth of polyP bacteria, except phosphorus sludge is non-aging, to be conducive to be promoted the effect of P elements in removal raw sewage
Fruit, also, since the working environment of polyP bacteria is anaerobic environment and aerobic environment, the working environment of denitrifying bacterium is anoxic ring
Border, aerobic environment are stronger to the inhibiting effect of denitrifying bacterium, are unfavorable for the growth of denitrifying bacterium, and denitrifying bacterium is made to denitrogenate biology
It works independently in pond 30, is conducive to the effect for promoting nitrogen in removal raw sewage, therefore sewage treatment provided by the present application is set
The standby dephosphorization and denitrification effect improved to raw sewage.
As shown in Figure 1, sedimentation basin 20 is integrated with phosphorus removal bio pond 10, the bottom of sedimentation basin 20 and phosphorus removal bio
Pond 10 is connected.In this way, being conducive to the integrated planning and construction in sedimentation basin 20 and phosphorus removal bio pond 10.
As shown in Figure 1, sedimentation basin 20 is inclined-plate clarifying basin.Inclined-plate clarifying basin has occupied area small, and hydraulic loading is high
Advantage.
As shown in Figure 1, phosphorus removal bio pond 10 includes 11 He of anaerobic reation pool section being connected along the flow direction of raw sewage
Aerobic reaction tank section 12, anaerobic reation pool section 11 are used to make the polyP bacteria removed in phosphorus sludge will be in raw sewage in anaerobic environment
Volatile fatty acid is stored in vivo after being converted into poly- β hydroxybutyric acid, while phosphate is discharged into raw sewage；Raw sewage and
Except phosphorus sludge is passed through aerobic reaction tank section 12 together, aerobic reaction tank section 12 is used to make except the polyP bacteria in phosphorus sludge is in aerobic ring
In border by the Ruminants animal Quadrafos in raw sewage and store in vivo；Meanwhile aerobic reaction tank section 12 is for making dephosphorization
The organic nitrogen in raw sewage is converted ammonia nitrogen by ammonifiers in sludge, and ammonia nitrogen turns under the action of removing the nitrifier in phosphorus sludge
Turn to nitrate；Later, it is passed through sedimentation basin 20 together by single treatment sewage and except phosphorus sludge, to isolate secondary treatment sewage
And precipitating sludge；Secondary treatment sewage is passed through and denitrogenates biological tank 30, makes the denitrification denitrogenated in sludge for denitrogenating biological tank 30
Bacterium converts nitrogen for nitrification salt under anaerobic environment, to remove the nitrogen in secondary treatment sewage.
Sewage disposal device provided in this embodiment, phosphorus removal bio pond 10 only include anaerobic reation pool section 11 and aerobic reaction
Pond section 12, eliminates the interior reflow process step in existing multistage treatment process, eliminates and needs in multistage treatment process
The hypoxia response pond section for carrying out denitrification denitrogenation reaction, in this way, the construction area in phosphorus removal bio pond 10 can also be reduced, in reduction
Device quantity in reflow process step, to reduce the economic cost of sewage disposal device.
As shown in Figure 1, sewage disposal device further includes aerator 40, aerator 40 is arranged in aerobic reaction tank section 12
Bottom, to provide oxygen for aerobic reaction tank section 12.
Specifically, air is passed through the bottom of aerobic reaction tank section 12 by aerator 40, is provided for aerobic reaction tank section 12
Oxygen.
Raw sewage is constantly passed through the anaerobic reation pool section 11 in phosphorus removal bio pond 10, in this way, in order to guarantee the dephosphorization to sewage
Effect needs to make to keep sufficient amount of except phosphorus sludge in the anaerobic reation pool section 11 in phosphorus removal bio pond 10, it is shown in fig. 1 can
It selects in embodiment, by the way that sludge circulation device 50 is arranged, the precipitating sludge isolated in sedimentation basin 20 is passed through phosphorus removal bio
It is recycled in the anaerobic reation pool section 11 in pond 10, can reduce the economic cost of sewage water treatment method.
As shown in Figure 1, sludge circulation device 50 includes sludge lifting pipeline 51, airlift pump 52 and supply air line 53, sludge
One end of lift line 51 extends at the mud discharging mouth 21 of the sedimentation basin 20 in aerobic reaction tank section 12, sludge lifting pipeline 51
The other end is connected to anaerobic reation pool section 11；Airlift pump 52 is arranged on sludge lifting pipeline 51, and airlift pump 52 has air inlet
Mouthful；Supply air line 53 is connected to aerator 40 and air inlet, to provide gas source for airlift pump 52.Specifically, using the side of air lift
Precipitating sludge is passed through in anaerobic reation pool section by sedimentation basin and is recycled by formula, in alternative embodiment shown in fig. 1, sedimentation basin
20 are integrated with phosphorus removal bio pond 10, in this way, the liquid level of sedimentation basin 20 is consistent with the liquid level in phosphorus removal bio pond 10, need
The height of promotion is small, and low energy consumption.In addition, in the present embodiment, gas source using aerator 40 as airlift pump 52 can be into one
Step ground energy saving, reduces number of devices, to reduce the economic cost of sewage disposal device.
As shown in Figure 1, sewage disposal device further includes the precipitating sludge discharge tube 90 being connected to sludge lifting pipeline 51,
For extra precipitating sludge to be discharged to the outside environment, it is stored with Quadrafos in the polyP bacteria of extra precipitating sludge, from
And eliminate the P elements in raw sewage.
As shown in Figure 1, sewage disposal device further includes nitrogen collection device 70, life is being denitrogenated in the setting of nitrogen collection device 70
The top in object pond 30, to be collected to denitrogenating the nitrogen generated in biological tank 30.In this way, will be removed using nitrogen collection device 70
The nitrogen generated in nitrogen biological tank 30, which is collected, to be recycled, to improve the practicability of sewage disposal device.
Optionally, nitrogen collection device 70 is using three separators.
In another alternative embodiment of the application, sewage disposal device further includes blender, and blender setting is anti-in anaerobism
It answers in pond section 11, to the sewage in anaerobic reation pool section 11 and except phosphorus sludge is stirred.In this way, using blender to anaerobism
Raw sewage in reaction tank section 11 and except phosphorus sludge is stirred, to make the raw sewage of the anaerobic reation pool section in phosphorus removal bio pond
It is uniformly mixed with dephosphorization sludge agitation, makes to come into full contact with and react with raw sewage except the polyP bacteria in phosphorus sludge.
As shown in Figure 1, sewage disposal device further includes gas transfer pipeline 80, one end of gas transfer pipeline 80 and nitrogen
Collection device 70 connects, and the other end of gas transfer pipeline 80 protrudes into anaerobic reation pool section 11, to anaerobic reation pool section 11
Interior raw sewage and except phosphorus sludge is stirred.In this way, it is raw that dephosphorization will be introduced after the nitrogen collection generated in biological tank 30 will be denitrogenated
The anaerobic reation pool section 11 in object pond 10 makes the anaerobic reation pool in phosphorus removal bio pond as the stirring gas source of anaerobic reation pool section 11
The raw sewage and dephosphorization sludge agitation of section are uniformly mixed, and make to come into full contact with and react with raw sewage except the polyP bacteria in phosphorus sludge.
Meanwhile using denitrogenating stirring gas source of the nitrogen generated in biological tank 30 as anaerobic reation pool section 11, it is possible to reduce dephosphorization is raw
The quantity of other blenders in object pond, or other blenders are no longer set in phosphorus removal bio pond 10, further reduce
The economic cost of sewage disposal device, meanwhile, the quantity for reducing other blenders can also reduce the required energy consumption of processing sewage.
As shown in Figure 1, sewage water treatment method provided by the present application further includes denitrogenating sludge with denitrogenate that biological tank 30 is connected to
Discharge tube 100, for biological tank 30 to be denitrogenated in the extra sludge discharge of denitrogenating denitrogenated in biological tank 30.
Embodiment two
Difference with embodiment one is, phosphorus removal bio pond 10 and the relatively independent construction of sedimentation basin 20, and sludge circulation fills
50 structure difference is set, as shown in Fig. 2, sludge circulation device 50 includes sludge carrier pipe road 54 and reflux pump 55, sludge conveying
One end of pipeline 54 is connected to the mud discharging mouth 21 of sedimentation basin 20, and the other end and anaerobic reation pool section 11 on sludge carrier pipe road 54 connect
Logical, reflux pump 55 is arranged on sludge carrier pipe road 54, and precipitating sludge is conveyed under the action of reflux pump 55 by sludge
Pipeline 54 is passed through in anaerobic reation pool section 11 and is recycled.In this way, raw sewage is constantly passed through the anaerobic reaction in phosphorus removal bio pond 10
Pond section 11, by the way that sludge circulation device 50 is arranged, is passed through phosphorus removal bio pond 10 for the precipitating sludge isolated in sedimentation basin 20
Anaerobic reation pool section 11 in be recycled, make to keep sufficient amount of dephosphorization in the anaerobic reation pool section 11 in phosphorus removal bio pond 10
Sludge also reduces the economic cost of sewage disposal device to not only ensure that the phosphor-removing effect to raw sewage.
Optionally, reflux pump 55 is one of axial-flow pump, centrifugal pump, wall hole pump.
Fig. 2 shows alternative embodiment in, sewage disposal device further includes precipitating sludge discharge pipe 60, precipitating sludge
Discharge pipe 60 is connected to the bottom of sedimentation basin 20, and precipitating sludge is discharged to the outside environment.Raw sewage is constantly passed through dephosphorization
The anaerobic reation pool section 11 of biological tank 10 controls for convenience, and the flow velocity that raw sewage is passed through phosphorus removal bio pond 10 is certain, accordingly
Ground needs to make to keep certain amount in the anaerobic reation pool section 11 in phosphorus removal bio pond 10 to guarantee the phosphor-removing effect to sewage
PolyP bacteria, and polyP bacteria causes the quantity of polyP bacteria to increase in 12 mass propagation of aerobic reaction tank section, and sedimentation basin 20 is separated
A part of precipitating sludge out is passed through in the anaerobic reation pool section 11 in phosphorus removal bio pond 10 and is recycled, and guarantees phosphorus removal bio pond 10
Anaerobic reation pool section 11 in remain a certain number of polyP bacterias, extra precipitating sludge is discharged to the outside environment, it is more
It is stored with Quadrafos in the polyP bacteria of remaining precipitating sludge, to eliminate the P elements in raw sewage.
Optionally, the aerobic reaction tank section 12 in phosphorus removal bio pond 10 is also used to make the COD degradation bacterium removed in phosphorus sludge will be former
Partial organic substances in sewage are decomposed, to remove organic matter superfluous in raw sewage.Organic matter surplus will lead to sewage corruption,
Smelly, COD degradation bacterium is in the aerobic reaction tank section 12 in phosphorus removal bio pond 10, i.e., in aerobic environment, by the energy in raw sewage
The reductive organic matter being enough oxidized decomposes, so that treatment effect of the lifting sewage processing equipment to sewage, promotes water quality.
Sewage disposal device provided by the present application, phosphorus removal bio pond 10 are independently arranged with biological tank 30 is denitrogenated, and avoid heterotrophism
The reductive organic matter that can be oxidized in system and sewage interferes autotrophy system, reduces denitrification process
Contention to carbon source strengthens the anaerobic phosphorus release effect of polyP bacteria.Since the sludge system of two biological tanks is completely independent, two
Microbial flora in sludge system is function-specific, and the pollutant removal being respectively directed to is than being blended in the mixed of a biological tank
Combined bacteria group is good to the removal effect of pollutant, and effluent quality is more preferably.
The sulphur autotrophic denitrification technology that the application uses, the growth and breeding speed of microorganism is slower during processing,
The extra quantity for denitrogenating sludge quantity generated is few.Experiments have shown that sewage disposal device provided by the present application, generation it is extra
Except phosphorus sludge and the quantity for denitrogenating sludge can be reduced to 30% or more, to reduce to extra except phosphorus sludge and remove
The cost that nitrogen sludge is handled.In addition, sulphur autotrophic denitrification bacterium is better than heterotrophic denitrifying Bacteria to the denitrification effect of sewage, thus
Further improve effluent quality.
The higher concentration except phosphorus sludge can be kept in phosphorus removal bio pond 10, it is required when handling identical water
The pond body volume in phosphorus removal bio pond 10 is smaller, can reduce the tank volume in about 20~40% phosphorus removal bio pond 10, to save
The about occupied area in phosphorus removal bio pond 10.
Optionally, it phosphorus removal bio pond 10 and denitrogenates biological tank 30 and can build jointly in same place, it can also be by phosphorus removal bio
It pond 10 and denitrogenates biological tank 30 and is built respectively in two places, sewage disposal device provided by the present application is more flexible.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of sewage disposal device characterized by comprising
Phosphorus removal bio pond (10), the phosphorus removal bio pond (10) remove phosphorus sludge for loading, and are passed through the phosphorus removal bio to remove
P elements in the raw sewage in pond (10), and the raw sewage is converted to single treatment sewage；
Sedimentation basin (20), the sedimentation basin (20) are connected with the phosphorus removal bio pond (10), will be passed through the sedimentation basin
(20) the single treatment sewage in is separated into secondary treatment sewage and precipitating sludge；
Denitrogenate biological tank (30), it is described denitrogenate biological tank (30) for load denitrogenate sludge, it is described to denitrogenate biological tank (30) and institute
It states sedimentation basin (20) to be connected, is passed through the nitrogen denitrogenated in the secondary treatment sewage of biological tank (30) to remove.
2. sewage disposal device according to claim 1, which is characterized in that the sedimentation basin (20) and the phosphorus removal bio
Pond (10) is integrated, and the bottom of the sedimentation basin (20) is connected with the phosphorus removal bio pond (10).
3. sewage disposal device according to claim 2, which is characterized in that the sedimentation basin (20) is inclined-plate clarifying basin.
4. sewage disposal device according to claim 1, which is characterized in that the phosphorus removal bio pond (10) is along described former dirty
The flow direction of water includes the anaerobic reation pool section (11) and aerobic reaction tank section (12) being connected, the anaerobic reation pool section
(11) for converting the polyP bacteria except in phosphorus sludge in anaerobic environment by the volatile fatty acid in the raw sewage
To store in vivo after poly- β hydroxybutyric acid, while phosphate is discharged into the raw sewage；The raw sewage and the dephosphorization
Sludge is passed through the aerobic reaction tank section (12) together, and the aerobic reaction tank section (12) is used to make described except poly- in phosphorus sludge
Phosphorus bacterium by the Ruminants animal Quadrafos in the raw sewage and stores in vivo in aerobic environment；Meanwhile it is described aerobic
Reaction tank section (12) is used to that the ammonifiers except in phosphorus sludge to be made to convert ammonia nitrogen for the organic nitrogen in the raw sewage, described
Ammonia nitrogen is converted into nitrate under the action of the nitrifier removed in phosphorus sludge.
5. sewage disposal device according to claim 4, which is characterized in that the sewage disposal device further includes aeration dress
It sets (40), the aerator (40) is arranged in the bottom of the aerobic reaction tank section (12), for the aerobic reaction tank section
(12) oxygen is provided.
6. sewage disposal device according to claim 5, which is characterized in that the sewage disposal device further includes that sludge follows
Loop device (50), the sludge circulation device (50) include:
Sludge lifting pipeline (51), one end of the sludge lifting pipeline (51) extend in the aerobic reaction tank section (12)
At the mud discharging mouth (21) of the sedimentation basin (20), the other end of the sludge lifting pipeline (51) and the anaerobic reation pool section
(11) it is connected to；
Airlift pump (52), the airlift pump (52) are arranged on sludge lifting pipeline (51), and the airlift pump (52) have into
Port；
Supply air line (53), the supply air line (53) is connected to the aerator (40) and the air inlet, for the gas
It mentions pump (52) and gas source is provided.
7. sewage disposal device according to claim 4, which is characterized in that the sewage disposal device further includes that sludge follows
Loop device (50), the sludge circulation device (50) include sludge carrier pipe road (54) and reflux pump (55), the sludge conveying
One end of pipeline (54) is connected to the mud discharging mouth (21) of the sedimentation basin (20), the other end of the sludge carrier pipe road (54) with
Anaerobic reation pool section (11) connection, the reflux pump (55) are arranged on the sludge carrier pipe road (54), will be described
Precipitating sludge is passed through the anaerobic reation pool section by the sludge carrier pipe road (54) under the action of the reflux pump (55)
(11) it is recycled in.
8. sewage disposal device according to claim 1, which is characterized in that the sewage disposal device further includes that precipitating is dirty
Mud discharge pipe (60), the precipitating sludge discharge pipe (60) are connected to the bottom of the sedimentation basin (20), will be described heavy
Shallow lake sludge is discharged to the outside environment.
9. sewage disposal device according to claim 4, which is characterized in that the sewage disposal device further includes that nitrogen is received
Acquisition means (70), the nitrogen collection device (70) are arranged in the top for denitrogenating biological tank (30), to denitrogenate life to described
The nitrogen generated in object pond (30) is collected.
10. sewage disposal device according to claim 9, which is characterized in that sewage disposal device further includes gas conveying
Pipeline (80), one end of the gas transfer pipeline (80) are connect with the nitrogen collection device (70), the air shooter
The other end on road (80) protrudes into the anaerobic reation pool section (11), in the anaerobic reation pool section (11) raw sewage and
Except phosphorus sludge is stirred.
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| CN108609815A (en) * | 2018-07-09 | 2018-10-02 | 北京恩菲环保股份有限公司 | Sewage disposal device |
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