CN208071526U - A kind of town sewage total system - Google Patents
A kind of town sewage total system Download PDFInfo
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- CN208071526U CN208071526U CN201721694928.XU CN201721694928U CN208071526U CN 208071526 U CN208071526 U CN 208071526U CN 201721694928 U CN201721694928 U CN 201721694928U CN 208071526 U CN208071526 U CN 208071526U
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- pond
- water
- denitrification
- filtering ponds
- total system
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Abstract
The utility model is related to a kind of town sewage total systems, including coarse rack pond, fine fack pond, water quality and quantity regulating reservoir, FABR combinations pond, aerobe filtering ponds, denitrification biological filter, clear water reserviors and the sterilization pool being sequentially communicated, processed sewage enters from coarse rack pond water inlet, and the clear water obtained after processing is discharged from the sterilization pool；The utility model is adaptable, can bear compared with thump load, raw water is under " raw water basic status table " range of condition, and effluent quality can stably reach GB18918-2002/ level-one A standards after processing.
Description
Technical field
The utility model is related to environmental protection installations, and in particular to a kind of town sewage total system.
Background technology
With the development of economy and society, carrying out water process and reaching higher emissions standard to be environmental protection to cities and towns dirt
It is required that being included in the important process schedule of governments at all levels.Urban wastewater treatment firm present situation：Project scale is small, the variation of water quality, water
Greatly, experienced operational management personnel are hard to find；In built engineering, due to lacking experienced operational management personnel and other originals
Cause, water outlet that treated are difficult to meet relevant criterion requirement.By the traditional activated dirt used existing urban wastewater treatment firm
Mud method, oxidation ditch, hydrolysis-be aerobic, BAF, A-B, A/O, A2/ O, SBR, MBR, the technical process such as biological rotating disk are analyzed,
The present situation of comparison and cities and towns, there is an urgent need to one kind being suitable for urban wastewater treatment, and stable effluent quality is up to standard, management is convenient, high
Effect, the sewage disposal system of low consumption.
CN 103011523A are disclosed " a kind of town sewage treatment system ", including intake pool, setting pot, oxidation ditch,
Canal, water outlet and control system are sterilized, it is characterized in that：The intake pool, setting pot, oxidation ditch, disinfection canal, water outlet connect successively
Connect treated sewage；The control system by detection device and relay group to intake pool, setting pot, oxidation ditch, disinfection canal, go out
The valve distribution at the mouth of a river is controlled：Equipped with H2S probes and water level sensor in intake pool；It pops one's head in equipped with SS in setting pot
It pops one's head in PH；Equipped with MLSS probes and dissolved oxygen probe in oxidation ditch；Equipped with pH probes and COD probes in sterilizing canal.It should
Town sewage treatment system, which combines, to be manually controlled and automatically controls, and is facilitated operation, has been saved the energy, reduces cost, together
When also greatly facilitate maintenance maintenance, and it is applied widely, be applicable to the demand of various scale sewage disposals.
CN 104445838A are disclosed " a kind of small-town sewage treatment system ".The system includes：It is sequentially connected pre-
Processing unit, two stage biological processing unit and advanced treatment unit；Wherein, the pretreatment unit is equipped with raw water inlet；Institute
State the energy saving MBR system that two stage biological processing unit uses interior cycle；The advanced treatment unit uses ultraviolet and chlorine dioxide
Combined disinfection equipment, the advanced treatment unit are equipped with good water water outlet.The system uses the section of interior cycle due to two stage treatment
Energy this membrane bioreactor form of MBR system, is effectively improved the biomass of activated sludge, can greatly reduce floor space
And capital cost；With taking up little area, removal effect is good, is easily managed, low energy consumption, is suitable for Small Town Wastewater and handles, especially
The advantages of water quality requirement height and the limited area of occupation of land and environmentally sensitive areas.
Unquestionably, the above-mentioned prior art is all a kind of good try of technical field.
Invention content
The purpose of this utility model is to provide a kind of town sewage total system, adaptable, can bear relatively strong
Impact load, raw water is under " raw water basic status table " range of condition, and effluent quality can stably reach GB18918- after processing
2002/ level-one A standards；
The utility model can give full play to the advantage of energy saving, the aerobic technique to high-efficiency of anaerobic technology, with activated sludge process and work
Based on property biomembrane, based on attached biological film bed, supplemented by suspended biological bed, by anaerobic hydrolysis/acidification pool, chemical dephosphorization
Pond, intermediate pool, aerobic biofilter, denitrification filter pool are combined, and are combined into the integrated wastewater processing system in a set of suitable cities and towns
System.
A kind of town sewage total system described in the utility model, including be sequentially communicated coarse rack pond, thin lattice
Grid pond, water quality and quantity regulating reservoir, FABR combinations pond, aerobe filtering ponds, denitrification biological filter, clear water reserviors and disinfection
Pond, processed sewage enter from coarse rack pond water inlet, and the clear water obtained after processing is discharged from the sterilization pool；Institute
It states and is equipped with the first elevator pump in water quality and quantity regulating reservoir, the water after regulating pondage and water quality, which is pumped into FABR, combines pond；Its
It is characterized in：
The FABR combines pond by compound anaerobic pond（That is anaerobic hydrolysis ,/acidification pool）, chemical dephosphorization sedimentation basin and centre
Pond group is integrally formed；
It is provided with multilayer deflector in the compound anaerobic pond and is divided into multiple independent locellus, and in each locellus
It is growth bed to be filled with microorganism of the biologic packing material formation of multiple performance based on apposition growth bed, supplemented by suspension growth bed, uses
Anaerobic activated sludge method and anaerobism active bio embrane method treated sewage；
The chemical dephosphorization sedimentation basin is equipped with the first dephosphorization agent and mouth is added, and is separated with partition board with compound anaerobic pond, according to going out
Water phosphorus content determines that mouth, which is added, from the first dephosphorization agent adds dephosphorization agent-aluminum sulfate, addition 15-17mg/L；
The intermediate pool is separated with chemical dephosphorization sedimentation basin with partition board, and second is equipped in the intermediate pool and is promoted
Pump, aerobe filtering ponds are pumped by water after treatment.
Further, the aerobe filtering ponds are to upstream, and the degradation and nitrification processing of organic contamination are in the Chi Zhongjin
It goes, the organic pollution in sewage, which becomes, is grown in the aerobic microbiological on biologic packing material and the nutrition of nitrifier metabolism
Object, organic pollution are removed under conditions of aerobic by the metabolism of aerobic microbiological, and the ammonia nitrogen in sewage is then
It is converted to nitrate by the effect of nitrifier and is further converted to nitrite, treated that water enters denitrification through filtering
Biological filter.
Further, the denitrification biological filter is located at after aerobic biofilter, is carried out by aerobic biofilter
After bed nitrification and denitrification, this carries out denitrification in the pond for remaining nitrate or nitrite；In denitrification biology
Entering on pipeline for filtering ponds is provided with carbon source addition mouth and the second dephosphorization agent addition mouth；By the way that treated in the pond, water outlet has reached
To standard of drainage, into clear water reserviors.
Further, carry out disinfection to the water outlet of clear water reserviors in the sterilization pool, disinfectant using sodium hypochlorite, ultraviolet light or
Ten sodium hypochlorite of permanganate.
The town sewage total system, further includes air compressor, which is the aerobic life
Object filter tank inputs compressed air.
Further, third elevator pump is equipped in the clear water reserviors, the third elevator pump is respectively to the aerobe
Filter tank and denitrification biological filter are pumped into backwash water inlet, going out after flushing aerobic biofilter and denitrification biological filter
Water flows into the water quality and quantity regulating reservoir.
Further, the water quality and quantity regulating reservoir and the mud discharging of aerobic biofilter discharge are carried out to sludge concentration tank
After concentration, then transported outward after sludge dewatering equipment is dehydrated.
The solid-state dross of the coarse rack pond and the discharge of fine fack pond concentrates outward transport.It is secondary to avoid being caused to ambient enviroment
Pollution.
The volatile acid that this town sewage total system treated sewage generates has a small amount of propionic acid, just based on acetic acid
Butyric acid, isobutyric acid, the lower fatty acids such as isovaleric acid and intermediate product CO2And H2Equal small-molecule substances.It is discharged without anaerobic fermentation not
Good smell, it is environmentally friendly.
The advantages of the utility model：
（1）Capacity of resisting impact load is strong, stable, reliable.
（2）Volumetric loading range is wide（0.13~28kgCOD/m3.d）.
（3）The activated sludge of each locellus can adequately be digested, and sludge quantity is small.
（4）There is comfort cushioning adaptability to the Toxic in water inlet.
（5）It can be normal under normal temperature condition.
（6）BOD can be improved5/ COD ratios are that the biochemical object of subsequent technique creates conditions.
（7）It is few that activated sludge in hydrolytic process is blocked on number of dropouts in each reaction tank, therefore does not set sludge reflux pump
（Save energy consumption）.
（8）Aerobic biofilter has with bed nitrification, denitrification function, when water enters denitrification bio-filter, load
Very little, is discharged completely up to standard after being handled by denitrification bio-filter, therefore the utility model does not set mixed-liquor return system
（Save energy consumption）.
（9）Before denitrification bio-filter, the throwing of dephosphorization agent and carbon source is additionally arranged according to aerobic biofilter effluent quality
Add mouth, further ensures water outlet water quality.
（10）The water outlet of this technique terminal is filtered through biofilter, and SS contents have fully met drainage requirement in water, do not set two
Heavy pond.
（11）In the compound anaerobic reation pools of FABR, activated sludge concentration content is high（15—20 g/L）Can self-assembling formation it is outstanding
Floating filter layer makes water outlet SS be less than 50mg/L.
The clear water that sewage obtains after the processing of this town sewage total system reaches urban wastewater treatment firm sewage row
The case where putting standard, referring to following table：
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
A kind of town sewage total system shown in Figure 1, including be sequentially communicated coarse rack pond 1, fine fack
Pond 2, water quality and quantity regulating reservoir 3, FABR combinations pond 4, aerobe filtering ponds 5, denitrification biological filter 6,7 and of clear water reserviors
Sterilization pool 8, processed sewage enter from 1 water inlet of coarse rack pond, and the clear water obtained after processing is from 8 row of the sterilization pool
Go out；The coarse rack pond and fine fack pond are obstructing floating material and the larger solid particle in sewage；The water quality and quantity tune
Section pond is to carry out oil slick separation, and solid particle precipitates, regulating pondage and water quality；It is equipped in the water quality and quantity regulating reservoir 3
First elevator pump（It is not drawn into figure）, the water after regulating pondage and water quality is pumped into FABR and combines pond 4；Its essence outstanding
Property feature is：
The FABR combines pond 4 by compound anaerobic pond 41（That is anaerobic hydrolysis ,/acidification pool）, chemical dephosphorization sedimentation basin 42
It is integrally formed for 43 groups with intermediate pool, according to technical process, is separated with partition wall among three processing ponds, earth's surface or ground can be built in
Under；
It is provided with multilayer deflector in the compound anaerobic pond 41 and is divided into multiple independent locellus, and in each locellus
In be filled with the biologic packing material of multiple performance to form microorganism based on apposition growth bed, supplemented by suspension growth bed growth bed, adopt
With anaerobic activated sludge method and anaerobism active bio embrane method treated sewage；
Under the action of multilayer deflector, baffling is by room plug-flow up and down for flow, and water in each locellus is to upstream, in locellus
The opposite upper water of biologic packing material plays rectified action, effectively reduces the waterpower dead zone of anaerobic processes in pond and biological dead zone
Percentage；Flow-shape during Anaerobic Treatment is that generally plug-flow, each locellus are complete mixing flow.Since two kinds of flow-shapes exist
It is existed simultaneously in compound anaerobic pond, the lower speed difference to stream and upward flow in each locellus is further enhanced into water and locellus
In biological substrate mixing；Flow is promoted by locellus；Environmental condition in each locellus not to the utmost, the microorganism in each locellus
The process that accompanies alternation step by step, tames the pollutant decomposed with the suitable micropopulation of locellus environment in sewage；Micro-
The gas generated in biological self reproducing and decomposition pollution course, rises with flow and is discharged respectively by each locellus, avoid correlation to micro- life
Object has the accumulation of the gas of inhibiting effect, and microorganism is made to possess best breeding environment and working active.
The activated sludge of the biologic packing material and the uniform of self-assembling formation, high concentration (15 ~ 20g/L) that are filled in each locellus
Superposed layer provides excellent breeding environment for microorganism and removes the suspension filter function of SS.Suspension filter function can be effective
Activated sludge loss is avoided and reduced, water outlet SS can be made（Suspended matter）Control within 50mg/L, while improve water outlet can
Biochemical provides stable guarantee water quality for subsequent processing；
The chemical dephosphorization sedimentation basin 42 is equipped with the first dephosphorization agent and mouth 40 is added, and is separated with partition board with compound anaerobic pond 41,
Determine that mouth 40, which is added, from dephosphorization agent adds dephosphorization agent-aluminum sulfate, addition 15-17mg/L according to water outlet phosphorus content；Aluminum sulfate
Anaerobic hydrolysis, acidification pool effluent SS can also be further decreased（Suspended matter）Concentration, to ensure that subsequent aerobe filters
Pond is run under the conditions of low SS contents.
The intermediate pool 43 is separated with chemical dephosphorization sedimentation basin 42 with partition board, and second is equipped in the intermediate pool 43
Elevator pump（It is not drawn into figure）, water after treatment is pumped into aerobe filtering ponds 5.
The aerobe filtering ponds 5 are to upstream, and the degradation and nitrification processing of organic contamination carry out in the pond, sewage
In organic pollution become be grown in the aerobic microbiological on biologic packing material and the nutrients of nitrifier metabolism, organic dirt
Dye object is removed under conditions of aerobic by the metabolism of aerobic microbiological, and the ammonia nitrogen in sewage then passes through nitrifier
Effect be converted to nitrate and be further converted to nitrite, through filtering, treated that water enters denitrification biological filter
6.During organics removal and nitrification, the microbial film internal layer being attached on filtrate is since anoxic so that denitrifying bacterium is big
Dominant microflora is bred and formed to amount, has and carries out denitrifying function to nitrate, nitrite.Thus this aerobe filter
Pond, the characteristic that nitrification and denitrification is carried out with same bed.
The denitrification biological filter 6 is located at after aerobic biofilter 5, is carried out with bed nitre by aerobic biofilter
Change with after denitrification, this carries out denitrification in the pond for remaining nitrate or nitrite；In the denitrification biological filter 6
Enter on pipeline to be provided with carbon source mouth 60 and the second dephosphorization agent is added mouth 61 be added；After the filtration treatment of oxygen biological filter
Water, in fact it could happen that carbon source is insufficient and there is remaining phosphorus, and mouth according to circumstances, which is added, from carbon source adds carbon source-methanol, is removed from second
Phosphorus agent addition mouth addition dephosphorization agent-aluminum sulfate, addition 5-10mg/L, to ensure that stable effluent quality reaches design requirement,
By the way that treated in the pond, water outlet has reached standard of drainage, into clear water reserviors 7.
It carries out disinfection to the water outlet of clear water reserviors in the sterilization pool 8, disinfectant uses sodium hypochlorite, ultraviolet light or permanganic acid
Ten sodium hypochlorite of salt.
Further include air compressor 9, which is that the aerobic biofilter 5 inputs compressed air.
Third elevator pump is equipped in the clear water reserviors 7（It is not drawn into figure）, the third elevator pump is respectively to described good
Oxygen biofilter 5 and denitrification biological filter 6 are pumped into backwash water inlet, rinse aerobic biofilter 5 and denitrification biology mistake
Water outlet behind filter tank 6 flows into the water quality and quantity regulating reservoir 3.
The mud discharging that the water quality and quantity regulating reservoir 3 and aerobic biofilter 5 are discharged carries out dense to sludge concentration tank 10
After contracting, then transported outward after the dehydration of sludge dewatering equipment 11.The solid-state dross collection China and foreign countries that the coarse rack pond 1 and fine fack pond 2 are discharged
Fortune.Secondary pollution is caused to avoid to ambient enviroment.
Sewage disposal operational process:
It regulates flow, gas-water ratio, DO and backwashing period and sets dephosphorization agent, after carbon source dosage, system
It is run by the program of setting, and to being monitored in real time, if flowing inspection and maintenance personnel, realize on-line off-line slitless connection.
Water meets GB18918-2002/ level-ones A marks and requires after processing.
Claims (7)
1. a kind of town sewage total system, including the coarse rack pond that is sequentially communicated（1）, fine fack pond（2）, water quality and quantity
Regulating reservoir（3）, FABR combine pond（4）, aerobe filtering ponds（5）, denitrification biological filter（6）, clear water reserviors（7）And disinfection
Pond（8）, processed sewage is from the coarse rack pond（1）Water inlet enters, and the clear water obtained after processing is from the sterilization pool（8）
Discharge；In the water quality and quantity regulating reservoir（3）It is inside equipped with the first elevator pump, the water after regulating pondage and water quality is pumped into
FABR combines pond（4）；It is characterized in that：
The FABR combines pond（4）By compound anaerobic pond（41）, chemical dephosphorization sedimentation basin（42）And intermediate pool（43）Composition
It is integrated；
The compound anaerobic pond（41）It is inside provided with multilayer deflector and is divided into multiple independent locellus, and in each locellus
It is growth bed to be filled with microorganism of the biologic packing material formation of multiple performance based on apposition growth bed, supplemented by suspension growth bed, uses
Anaerobic activated sludge method and anaerobism active bio embrane method treated sewage；
The chemical dephosphorization sedimentation basin（42）Mouth is added equipped with the first dephosphorization agent（40）, with compound anaerobic pond（41）With partition board every
It opens, according to water outlet phosphorus content determines that mouth is added from dephosphorization agent（40）Add dephosphorization agent-aluminum sulfate, addition 15-17mg/L；
The intermediate pool（43）With chemical dephosphorization sedimentation basin（42）It is separated with partition board, in the intermediate pool（43）Inside it is equipped with
Water after treatment is pumped into aerobe filtering ponds by two elevator pumps（5）.
2. town sewage total system according to claim 1, it is characterized in that：The aerobe filtering ponds（5）
To be carried out in the pond to the degradation and nitrification processing at upstream, organic contamination, the organic pollution in sewage, which becomes, is grown in life
The nutrients of aerobic microbiological and nitrifier metabolism on object filler, organic pollution is under conditions of aerobic by aerobic
The metabolism of microorganism and removed, the ammonia nitrogen in sewage is then converted to nitrate and further by the effect of nitrifier
It is converted into nitrite, treated that water enters denitrification biological filter through filtering（6）.
3. town sewage total system according to claim 1 or 2, it is characterized in that：The denitrification biofiltration
Pond（6）Positioned at aerobe filtering ponds（5）After, it is remaining after being carried out with bed nitrification and denitrification by aerobe filtering ponds
Nitrate or nitrite the pond this carry out denitrification；In the denitrification biological filter（6）Enter pipeline on set
It is equipped with carbon source and mouth is added（60）Mouth is added with the second dephosphorization agent（61）；By the way that treated in the pond, water outlet has reached standard of drainage,
Into clear water reserviors（7）.
4. town sewage total system according to claim 3, it is characterized in that：In the sterilization pool（8）To clear water
The water outlet in pond carries out disinfection, and disinfectant uses ten sodium hypochlorite of sodium hypochlorite, ultraviolet light or permanganate.
5. town sewage total system according to claim 4, it is characterized in that：It further include air compressor（9）, should
Air compressor is the aerobe filtering ponds（5）Input compressed air.
6. town sewage total system according to claim 5, it is characterized in that：In the clear water reserviors（7）Inside it is equipped with
Third elevator pump, the third elevator pump is respectively to the aerobe filtering ponds（5）With denitrification biological filter（6）It is pumped into
Backwash water inlet, rinses aerobe filtering ponds（5）With denitrification biological filter（6）Water outlet afterwards flows into the water quality and quantity
Regulating reservoir（3）.
7. town sewage total system according to claim 1 or 2, it is characterized in that：The water quality and quantity regulating reservoir
（3）With aerobic biological filter（5）The mud discharging of discharge is to sludge concentration tank（10）After being concentrated, then through sludge dewatering equipment
（11）It is transported outward after dehydration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694928.XU CN208071526U (en) | 2017-12-08 | 2017-12-08 | A kind of town sewage total system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694928.XU CN208071526U (en) | 2017-12-08 | 2017-12-08 | A kind of town sewage total system |
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| Publication Number | Publication Date |
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| CN208071526U true CN208071526U (en) | 2018-11-09 |
Family
ID=64033510
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721694928.XU Active CN208071526U (en) | 2017-12-08 | 2017-12-08 | A kind of town sewage total system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208071526U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792802A (en) * | 2020-08-19 | 2020-10-20 | 扬州市洁源排水有限公司 | Sewage treatment process for large sewage treatment station |
| CN111875158A (en) * | 2020-07-07 | 2020-11-03 | 安庆常润米业股份有限公司 | A waste water dephosphorization system for rice deep-processing |
-
2017
- 2017-12-08 CN CN201721694928.XU patent/CN208071526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875158A (en) * | 2020-07-07 | 2020-11-03 | 安庆常润米业股份有限公司 | A waste water dephosphorization system for rice deep-processing |
| CN111792802A (en) * | 2020-08-19 | 2020-10-20 | 扬州市洁源排水有限公司 | Sewage treatment process for large sewage treatment station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190605 Address after: 401120 No. 11 Huanggang Road, Shuangfengqiao Street, Yubei District, Chongqing Patentee after: Chongqing Spark Environmental Protection Technology Co., Ltd. Address before: 400020 No. 23, Yeshuigou, Jiangbei District, Chongqing Patentee before: Zheng Shixue |
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| TR01 | Transfer of patent right |