CN208883567U - A kind of multifunctional all domestic sewage treatment device - Google Patents
A kind of multifunctional all domestic sewage treatment device Download PDFInfo
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- CN208883567U CN208883567U CN201820683251.8U CN201820683251U CN208883567U CN 208883567 U CN208883567 U CN 208883567U CN 201820683251 U CN201820683251 U CN 201820683251U CN 208883567 U CN208883567 U CN 208883567U
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Abstract
The utility model discloses a kind of multifunctional all domestic sewage treatment device, pulse water-feeding and eddy flow water distribution are used to improve hydrolysis anaerobic zone treatment effeciency；Suspension flowing filler is used to replace fixed filler to improve biochemical zone efficiency；Forebay is flowed back into using underwater scooter；Suspended matter is improved using tube settling and filtering and retains efficiency；In the state of not changing facility structure, process operation mode can be adjusted flexibly according to the water quality condition of sanitary sewage COD height and the content of nitrogen and phosphorous, the device is higher to the processing load of sanitary sewage, more preferable, more efficient compared to conventional contacts oxidative treatment effect.
Description
Technical field
The utility model belongs to water treatment field, is applied particularly to sanitary sewage disposal field, is a kind of multifunctional integrated
Change domestic sewage treatment device.
Background technique
Integrated domestic sewage treatment device develops comparatively fast at home, but long-standing problem producer be equipment treated row
It puts tail water ammonia nitrogen, total phosphorus and suspended matter and is unable to qualified discharge.According to " urban wastewater treatment firm pollutant emission standard "
(GB18918-2002) the level-one A standard requirements in: CODcr≤50mg/L, BOD5≤10mg/L、 NH3-N≤5mg/L、TP
≤ 0.5mg/L, SS≤10mg/L, it is desirable that higher.
Existing sanitary sewage integrated apparatus, as application number 2015100128298 discloses a kind of integration life dirt
Water treatment facilities, including main box, manhole, anaerobic pond, contact-oxidation pool and MBR membrane cisterna, which is characterized in that the main box
Inside is equipped with twice partition, main box is divided into anaerobic pond, contact-oxidation pool and MBR membrane cisterna, in anaerobic pond and contact-oxidation pool
Upper-center position be respectively equipped with manhole, be equipped with the water inlet that is connected with anaerobic pond, water outlet in the front end of main box
It is located at the least significant end for the main box being connected with MBR membrane cisterna.Although the utility model is integrated, integration degree is high,
Occupied area is small, but follows the techniques such as standard biologic contact oxidation method, A/O method, A2/O, MBR method, and COD can generally reach
Discharge standard, (except the SS of MBR can be up to standard outer) other contamination indexes such as: ammonia nitrogen, total nitrogen, total phosphorus are unable to stably reaching standard and discharge,
There is also the factors such as the high operational administrative inconvenience of operating cost other than facility has a single function.
Utility model content
Based on the deficiency of above-mentioned integrated domestic sewage treatment device, the utility model provides a kind of multifunctional integrated metaplasia
Sewage disposal device living is combined by enhanced hydrolysis, anoxic, micro- oxygen, aerobic, precipitating filtering function.While removing COD
It realizes short distance nitration and denitrification, has good treatment effect to ammonia nitrogen, total phosphorus and suspended matter, treated, and discharge water energy reaches
To the level-one A standard in " urban wastewater treatment firm pollutant emission standard " (GB18918-2002).To solve above-mentioned integration
Equipment cannot qualified discharge, the problems such as operating cost is high completely.
To realize the utility model aim, following technical scheme is provided: a kind of multifunctional all sanitary sewage disposal
Equipment, including being installed on, a shell is intracorporal, hydrolysis anaerobism groove, biological cleaning slot, precipitating and the homogeneous filtering material of the connection of sequence water
Filtration combination slot, it is characterised in that be provided with floated fluidized packing material in hydrolysis anaerobism groove, biological cleaning slot；One pulse water-feeding
Tank is located above hydrolysis anaerobism groove, and underriding pipe is laid in the eddy flow of hydrolysis anaerobism trench bottom across the connection of floated fluidized packing material
Water distributor；Biological cleaning slot is separated into three pond bodies that front and back water is connected to by partition, and each pool bottom is equipped with aerator, under
Portion's pool wall is equipped with underwater scooter；The tube settling slot and homogeneous filtering material being connected to homogeneous filtering material combination slot by water is precipitated to filter
Slot composition, tube settling slot are connected to biological cleaning slot, and the lower part of homogeneous filtering material lautertuns is equipped with outlet pipe and backwash tube, instead
Flushing pipe connects pulse water-feeding tank, and the top of homogeneous filtering material lautertuns is equipped with backwash return pipe, and backwash return pipe connects water
Solve anaerobism groove；Tube settling trench bottom is equipped with sludge refluxing apparatus connection hydrolysis anaerobism groove or biological cleaning slot.Sanitary sewage warp
Sump elevator pump is flowed into after artificial fine fack by sewage lifting to pulse water-feeding tank, pulse frequency is every 5 minutes primary, is put
The water time is 8-12 seconds.The cyclone water distributor in water slug hydrolysis anaerobism groove, floated fluidisation are managed out in the underriding of pulse water-feeding pipe
Movable filler is uniformly mixed with anaerobism or aerobic-anaerobic microbe (activated sludge), make the pollutant for being difficult to biochemical degradation in sewage and
Macromolecular substances are decomposed into degradable small-molecule substance, and gravity flow enters biological cleaning slot after hydrolysis acidification, in biological cleaning slot
Interior by anaerobism or anoxic or aerobic each order reaction, sewage enters tube settling slot later, and the phosphorus containing sludge of bottom sedimentation passes through
Sludge refluxing apparatus is back to hydrolysis anaerobism groove or biological cleaning slot or discharge；Water after precipitating enters homogeneous filtering material lautertuns,
Suspended particulate is removed, finally treated, and water is discharged from water outlet；Homogeneous filtering material lautertuns by pulse water-feeding tank backwash
Pipe water outlet timing backwashes, and backwash water outlet is back to hydrolysis anaerobism groove reprocessing from backwash return pipe.
The pulse water-feeding can body be circular tank, inside by water inlet pipe, siphon pipe, exhaust pipe, siphon destructing tube, bow
Washing pipe composition.Pulse water-feeding tank pulse frequency is five minutes primary, and discharge time is 8-12 seconds.
The cyclone water distributor is umbellate form, and the injection well downhole flow regulator top positioned at umbrella shape cyclone cover top center connects pulse water-feeding tank
Underriding pipe, lower part be connected to umbrella shape cyclone cover in several water-jet pipes；Sector is offered on the bottom end cover of umbrella shape cyclone cover
Water channel.When pulse water-feeding, water flow starts to rotate in umbellate form circle under powerful hydraulic loading shock, and sewage is distributed to water by moment
The each corner of solution anaerobism section is simultaneously sufficiently mixed with activated sludge, improves sewage treating efficiency.
The multifunctional all domestic sewage treatment device, the fixed filler of the not instead of suspension type of filling are floated
Fluidisation activity filler, filler are that reticulated particle specific surface area is bigger.Fixed filler is passively to receive bio-film colonization, thus be easy to make
At biomass undue concentration, formed full lotus biology stick or biological item thus be not easy demoulding, due to being not easy the excessive of demoulding biomembrane
It accumulates, making the absorption of filler bottom microorganism less than dissolved oxygen, rotten indiscriminate rotten, reduction bioactivity finally loses degradation capability.It is outstanding
Floating fluidized packing material is that have very big specific surface area, in non-biofilm with the reticulated particle filler for being aerated water flow and moving
It is close with water phase that density is slightly less than density after water hangs up biomembrane, since packing density is close to water, so leading to when aeration
It crosses the agitaion of water aeration stream and is distributed in any liquid level in waters, actively receive the biofilm of activated sludge during exercise, with
Sewage keeps air bubble evener thin, increases the benefit of oxygen in the state that is thoroughly mixed, the collision and shear action of carrier in water
With rate, the biomembrane activity of filler surface is improved, due to all having different biotic populations, growth inside inside and outside each carrier
Some anaerobic bacterias or facultative aerobe, external preferably bacteria are detested as the biomembrane on filler surface layer constantly thickeies just to be formed from the inside to surface
Oxygen, anoxic, aerobic boundary layer carrier each in this way are that a microreactor also corresponds to more miniature A of n2/ O, nitrification
Reaction and anti-nitration reaction exist simultaneously, to improve treatment effect.Start after biological film bottom is absorbed less than dissolved oxygen
Corrupt aging, due to the agitation of water flow and the shear action impact force between filler particles in addition of air-flow, the biomembrane of aging is just
It falls off and (claims demoulding).Second generation microorganism starts to adhere to biofilm, and the biological membrane part to fall off is utilized by two generation microorganisms, and part is made
For excess sludge discharge.The phase generation more frequent bioactivity of this metabolism is higher, and treatment effect is better.
Three pond bodies in the biological cleaning slot are not in the state of changing facility structure, according to sanitary sewage COD high
Low and the content of nitrogen and phosphorous water quality condition is designed to anaerobic pond or anoxic pond or micro- oxygen by controlling aerator by technique requirement
Pond or aerobic tank flexibly switch to MBBR and multi stage decompression technology pattern, A2/ O technology pattern, UCT technology pattern or
ABFT technology pattern.
Anaerobic pond: not being aerated in anaerobic pond, and anaerobic fermentation bacterium is by the biodegradable larger molecular organics in sewage
It is converted into the lower fermentation intermediate product of this kind of molecular weight of VFA；PolyP bacteria is synthesized by the cytoplasm of itself, mass propagation.
Anoxic pond: in hypoxia response pond by dissolved oxygen control within 0.5mg/L, denitrifying phosphorus removing bacteria utilizes nitrous acid
Salt carries out anoxic as electron acceptor and inhales phosphorus, and nitrite salt is reduced to nitrogen.
Micro- oxygen pond: interior control dissolved oxygen concentration is in 1mg/L hereinafter, 2.0 hours of hydraulic detention time in micro- oxygen pond.?
Remaining organic matter is removed in micro- oxygen pond.According to OLAND principle, in low dissolution oxygen environment, ammonia oxidation bacteria obtains oxygen
Ability is greater than nitrite-oxidizing bacterium, therefore provides the condition of growth of advantage in the environment of low dissolved oxygen for ammonia oxidation bacteria, guarantees
The nitrite accumulation rate of 85-90 or more.
Aerobic tank: high dissolved oxygen is set in aerobic tank and guarantees remaining nitrite being oxidized to nitrate, is gathered
Phosphorus bacterium is while using remaining organic substrate in sewage, the main energy released by decomposing its PHB stored in vivo
Its growth, while the dissolved phosphorus in excess ingestion environment are maintained, the mineralized nitrogen in sewage is become nitrate by nitrifier.
The precipitating is with homogeneous filtering material combination slot, and biological cleaning slot produces water and enters tube settling slot, and inclined tube effect is to increase
Add settling area, improve effect of settling, the phosphorus containing sludge of bottom sedimentation is back to hydrolysis anaerobism groove or discharge by air-lift device；Most
Precipitating water outlet afterwards enters homogeneous filtering material lautertuns, suspended particulate is removed so that water body is limpider, lautertuns is by pulse water-feeding
Tank timing backwashes, and backwash effluent recycling saves recoil pump and recoil pond to hydrolysis anaerobism groove reprocessing.
The multifunctional all domestic sewage treatment device, after-bay flows back into the reflux type of forebay use and routine is returned
Flow device is different, and normal reflux is flowed back using water pump (external water pump or immersible pump).And the utility model uses underwater scooter
Reflux.The shortcomings that water pump flows back is pipe laying reflux, the factors such as the high water of the big power consumption of power is small, phegma is unevenly distributed.And
It is that underwater scooter is installed on pool wall perforated wall using latent pushing-type reflux type, the mixed liquor of after-bay is flowed back into forebay.Function
The small water of rate is big, and low energy consumption, and phegma is uniformly mixed.Operating cost can be greatly reduced while improving wastewater treatment efficiency.
The utility model has the advantages that by the above-mentioned means, the utility model can be by CODcr content: the sanitary sewage of 400-600mg/L
Purified treatment to 50mg/L hereinafter, and have Nitrogen/Phosphorus Removal outstanding, treated discharge water quality reach " urban wastewater treatment
Factory's pollutant emission standard " level-one A standard in (GB18918-2002).
Detailed description of the invention
Fig. 1 is multifunctional all domestic sewage treatment device structural schematic diagram.
Fig. 2 is the structural schematic diagram of cyclone water distributor.
Fig. 3 is MBBR and catalytic oxidation pattern diagram.
Fig. 4 is A2/O operational mode schematic diagram.
Fig. 5 is UCT operational mode schematic diagram.
Specific embodiment
Embodiment 1: as shown in Figure 1, a kind of multifunctional all domestic sewage treatment device, including it is installed on a shell
Interior, the connection of sequence water hydrolysis anaerobism groove 8, biological cleaning slot 9, precipitating and homogeneous filtering material filtration combination slot, hydrolyze anaerobism groove
8, floated fluidized packing material 3 is provided in biological cleaning slot 9；One pulse water-feeding tank 1 is located at 8 top of hydrolysis anaerobism groove, bows
Washing pipe 4 passes through the cyclone water distributor 2 that the connection of floated fluidized packing material 3 is laid in hydrolysis 8 bottom of anaerobism groove, and cyclone water distributor 2 is
Umbellate form, positioned at the underriding pipe 4 of 21 top of the injection well downhole flow regulator connection pulse water-feeding tank 1 at umbrella shape cyclone cover top center, lower part is connected to umbrella
Several water-jet pipes 22 in shape cyclone cover offer fan-shaped water channel 23 on the bottom end cover of umbrella shape cyclone cover；Biological cleaning slot 9
Three pond bodies that front and back water is connected to are separated by partition, each pool bottom is equipped with aerator 10, and lower part pool wall is equipped with latent
Water propeller 11；It precipitates the tube settling slot 12 being connected to homogeneous filtering material combination slot by water and homogeneous filtering material lautertuns 13 forms,
Tube settling slot 12 is connected to biological cleaning slot 9, and the lower part of homogeneous filtering material lautertuns 13 is equipped with outlet pipe 7 and backwash tube 5, instead
Flushing pipe 5 connects pulse water-feeding tank 1, and the top of homogeneous filtering material lautertuns is equipped with backwash return pipe 6, and backwash return pipe 6 connects
Water receiving solution anaerobism groove 8；12 bottom of tube settling slot is equipped with the connection of sludge refluxing apparatus 14 hydrolysis anaerobism groove 8 or biological cleaning slot 9.
Embodiment 2: as shown in figure 3, MBBR and multi stage decompression mode (ammonia nitrogen≤40mg/L total phosphorus≤2.0mg/L).
By three pond body aerating system standard-sized sheets of biological cleaning slot, system is set to be in complete aerobic state, i.e., by three in biological cleaning slot
Pond body is both designed as aerobic tank, and the sludge refluxing apparatus connection hydrolysis anaerobism groove of tube settling trench bottom forms MBBR and multistage
Catalytic oxidation mode processes, being aerated 4 hours stops 1 hour, and system suspension filler is in full fluidized state and catalytic oxidation work
Skill is identical.Reactor had not only had the characteristics that traditional biological embrane method anti impulsion load, sludge age were long, excess sludge is few but also active
The high efficiency of sludge and going slick property.Sludge concentration is higher in reactor, and general sludge concentration is conventional activated sludge process
5~10 times of sludge concentration, aeration tank sludge quality concentration may be up to 30~40g/L.By the aeration and water flow in aeration tank
Castering action so that carrier is in fluidized state, and then form the activated sludge of suspension growth and the biomembrane of apposition growth, this
It allows for moving-bed biofilm and has used entire space reactor, it is mutually superior with both suspended phase biologies to give full play to attachment
Property, it is allowed to maximize favourable factors and minimize unfavourable ones, be complementary to one another.Unlike previous filler, floating stuffing can with the frequent multiple-contact of sewage because
And it is referred to as " mobile biomembrane ".
Embodiment 3: as shown in figure 4, A2/ O mode (ammonia nitrogen >=50mg/L total phosphorus >=4.0mg/L).
Three pond bodies in biological cleaning slot are arranged respectively to anaerobic pond, anoxic pond and aerobic tank, aerobic tank and anaerobic pond
Between be equipped with mixed liquor return pipe, tube settling trench bottom sludge refluxing apparatus connection hydrolysis anaerobism groove, formed A2/ O mode
Technique.A2/ O mode is aerobic mixed liquor to be flowed back into anaerobism section, then clarifier sludge is flowed back into anaerobism.In process flow
It is interior, BOD5, SS and existing nitrogen and phosphorus are removed in a variety of manners.10% water inlet is passed through into hydrolysis anaerobism in the process
Biological cleaning slot is flowed into after slot processing, 90% water inlet is directly entered biological cleaning slot.A2The activity of/O biological carbon and phosphorous removal system
In sludge, flora is mainly made of nitrifier and denitrifying bacterium, polyP bacteria.In aerobic section, nitrobacteria is by the ammonia nitrogen in becoming a mandarin
And organic nitrogen ammonification at ammonia nitrogen, acted on by biological nitration, be converted to nitrate；In anoxic section, denitrifying bacteria interior will be returned
The nitrate that stream is brought into is converted to nitrogen and escapes into atmosphere, to achieve the purpose that denitrogenation by biological denitrification；?
Anaerobism section, polyP bacteria discharge phosphorus, and the degradable organic matter such as absorb lower fatty acid；And in aerobic section, polyP bacteria excess is inhaled
Phosphorus is received, and by the discharge of excess sludge, phosphorus is removed.
Embodiment 4, as shown in figure 5, UCT mode (ammonia nitrogen >=80mg/L total phosphorus >=6.0mg/L).It will be in biological cleaning slot
Three pond bodies are arranged respectively to anaerobic pond, anoxic pond and aerobic tank, and mixed liquor return pipe is equipped between aerobic tank and anoxic pond, lack
Mixed liquor return pipe is additionally provided between oxygen pond and anaerobic pond, the sludge refluxing apparatus of tube settling trench bottom is connected to biological cleaning slot
In anoxic pond, formed UCT mode processes.UCT technique and A2/O technique are the difference is that clarifier sludge flows back into anoxic
Pond rather than flow back into anaerobic pond, can prevent from entering anaerobic pond due to nitrate nitrogen in this way, destroy the anaerobic state of anaerobic pond
And influence the dephosphorizing rate of system.The mixed liquor reflux from anoxic pond to anaerobic pond is increased, is flowed back from anoxic pond to anaerobic pond
Contain more dissolubility BOD in mixed liquor5, and nitrate is seldom, is mentioned by the hydrolysis of organic matter reaction carried out in anaerobism section
Optimal condition is supplied.
Claims (7)
1. a kind of multifunctional all domestic sewage treatment device, including being installed on, a shell is intracorporal, water of the connection of sequence water
Solve anaerobism groove, biological cleaning slot, precipitating and homogeneous filtering material filtration combination slot, it is characterised in that hydrolysis anaerobism groove, biological cleaning slot
Inside it is provided with floated fluidized packing material；One pulse water-feeding tank is located above hydrolysis anaerobism groove, and underriding pipe is across floated stream
Change the cyclone water distributor that filler connection is laid in hydrolysis anaerobism trench bottom；Biological cleaning slot is separated into what front and back water was connected to by partition
Three pond bodies, each pool bottom are equipped with aerator, and lower part pool wall is equipped with underwater scooter；Precipitating is filtered with homogeneous filtering material
The tube settling slot and homogeneous filtering material lautertuns that combination slot is connected to by water form, and tube settling slot is connected to biological cleaning slot,
The lower part of matter media filtration slot is equipped with outlet pipe and backwash tube, and backwash tube connects pulse water-feeding tank, homogeneous filtering material lautertuns
Top be equipped with backwash return pipe, backwash return pipe connection hydrolysis anaerobism groove；Tube settling trench bottom is equipped with sludge reflux
Device connection hydrolysis anaerobism groove or biological cleaning slot.
2. a kind of multifunctional all domestic sewage treatment device according to claim 1, it is characterised in that eddy flow water distribution
Device is umbellate form, and positioned at the underriding pipe of the injection well downhole flow regulator top connection pulse water-feeding tank at umbrella shape cyclone cover top center, lower part is connected to umbrella
Several water-jet pipes in shape cyclone cover.
3. a kind of multifunctional all domestic sewage treatment device according to claim 1, it is characterised in that umbrella shape eddy flow
Fan-shaped water channel is offered on the bottom end cover of cover.
4. a kind of multifunctional all domestic sewage treatment device according to claim 1, it is characterised in that biological cleaning
Three pond bodies in slot are designed as anaerobic pond or anoxic pond or micro- oxygen pond or aerobic tank by technique requirement.
5. a kind of multifunctional all domestic sewage treatment device according to claim 4, it is characterised in that biological cleaning
Three pond bodies in slot are both designed as aerobic tank, and the sludge refluxing apparatus connection hydrolysis anaerobism groove of tube settling trench bottom is formed
MBBR and multi stage decompression mode processes.
6. a kind of multifunctional all domestic sewage treatment device according to claim 4, it is characterised in that biological cleaning
Three pond bodies in slot are arranged respectively to anaerobic pond, anoxic pond and aerobic tank, return between aerobic tank and anaerobic pond equipped with mixed liquor
Flow tube, the sludge refluxing apparatus connection hydrolysis anaerobism groove of tube settling trench bottom, forms A2/O mode processes.
7. a kind of multifunctional all domestic sewage treatment device according to claim 4, it is characterised in that will be biological net
Three pond bodies changed in slot are arranged respectively to anaerobic pond, anoxic pond and aerobic tank, and mixed liquor is equipped between aerobic tank and anoxic pond
Return pipe is additionally provided with mixed liquor return pipe, the sludge refluxing apparatus connection of tube settling trench bottom between anoxic pond and anaerobic pond
Anoxic pond in biological cleaning slot forms UCT mode processes.
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| CN201820683251.8U CN208883567U (en) | 2018-05-09 | 2018-05-09 | A kind of multifunctional all domestic sewage treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569762A (en) * | 2018-05-09 | 2018-09-25 | 江苏大楚环保设备有限公司 | A kind of multifunctional all domestic sewage treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569762A (en) * | 2018-05-09 | 2018-09-25 | 江苏大楚环保设备有限公司 | A kind of multifunctional all domestic sewage treatment device |
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