CN207862003U - A kind of villages and small towns integrated sewage treatment device - Google Patents
A kind of villages and small towns integrated sewage treatment device Download PDFInfo
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- CN207862003U CN207862003U CN201721723659.5U CN201721723659U CN207862003U CN 207862003 U CN207862003 U CN 207862003U CN 201721723659 U CN201721723659 U CN 201721723659U CN 207862003 U CN207862003 U CN 207862003U
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- denitrification
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- 239000010865 sewage Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000010802 sludge Substances 0.000 claims abstract description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 230000009931 harmful effect Effects 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims abstract description 3
- 241000196324 Embryophyta Species 0.000 claims abstract 13
- 231100000614 poison Toxicity 0.000 claims abstract 2
- 230000007096 poisonous effect Effects 0.000 claims abstract 2
- 230000002195 synergetic effect Effects 0.000 claims abstract 2
- 238000010992 reflux Methods 0.000 claims description 24
- 238000004062 sedimentation Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 230000001546 nitrifying effect Effects 0.000 claims 1
- 239000002028 Biomass Substances 0.000 abstract description 3
- 230000000813 microbial effect Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 108091053735 lin-4 stem-loop Proteins 0.000 description 5
- 108091032363 lin-4-1 stem-loop Proteins 0.000 description 5
- 108091028008 lin-4-2 stem-loop Proteins 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 101100181931 Caenorhabditis elegans lin-41 gene Proteins 0.000 description 1
- 101100463469 Caenorhabditis elegans lin-42 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of villages and small towns integrated sewage treatment device, the villages and small towns integrated sewage treatment device includes pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, the areas screw propulsion aerobic nitrification Xi Lin, mud-water separating area and the equipment control room being sequentially connected；Pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area and the areas screw propulsion aerobic nitrification Xi Lin is Ni Mo coupled reactions area, and upper part plants emergent aquactic plant；The root system of the emergent aquactic plant is as biofilm carrier；The pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, the areas screw propulsion aerobic nitrification Xi Lin absorb the processing of the mutual synergistic effect completion sewage of nutriment by the biomembrane, suspension sludge and plant itself root system that adhere on root system of plant；The gas that is poisonous and harmful, having smell pollution generated in the plant stem-leaf removal sewage disposal process.The utility model has coefficient of oxygen utilization high, and microbial biomass is big, denitrification phosphorus-collecting acts on apparent, energy saving, efficient advantage.
Description
Technical field
The utility model belongs to sewage treatment field, and in particular to a kind of villages and small towns integrated sewage treatment device.
Background technology
Currently, villages and small towns sewage disposal mostly uses integration apparatus, but that there are structures is single for existing integration apparatus, pure
Steel structure or concrete appearance are all incompatible with " fine rural area " and emit bad smell, the present situation for making neighbouring villager be difficult to receive.Extensively
Big villages and small towns area, due to the present situation of confluence of rainwater and sewage, further reduced the low ratio of carbon to ammonium of sewage, and then it is de- to seriously affect sewage
Nitrogen dephosphorization qualified discharge.Meanwhile existing integration apparatus aerobic zone mostly uses the form oxygen supply of full bottom of pond portion aeration, energy consumption is big,
Oxygen mostly overflows the water surface with bubble, and loss is serious, and the utilization rate of oxygen is relatively low；Slough or short stream easily occurs for each reaction zone, at reduction
Manage effect.
In order to preferably administer villages and small towns sewage, power-assisted " fine rural area " is built, and there is an urgent need to one kind, low energy consumption, treatment effeciency
High and environmentally friendly integrated apparatus.
Utility model content
Purpose of the utility model is to solve the above problems and provide one kind, low energy consumption, at the high villages and small towns sewage for the treatment of effeciency
Manage integrated apparatus.
A kind of villages and small towns integrated sewage treatment device, the villages and small towns integrated sewage treatment device include be sequentially connected it is pre-
Denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, the areas screw propulsion aerobic nitrification Xi Lin, mud-water separating area
And equipment control room；The pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area and screw propulsion are aerobic
It is Ni Mo coupled reactions area to nitrify the areas Xi Lin, and upper part plants emergent aquactic plant；The root system of the emergent aquactic plant is as biomembrane
Carrier；The pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, the areas screw propulsion aerobic nitrification Xi Lin
The mutual collaboration that nutriment is absorbed by the biomembrane, suspension sludge and plant itself root system that adhere on root system of plant is made
With the processing for completing sewage；The sludge denitrification area and anaerobic zone and anaerobic zone and anoxic denitrification collaboration denitrification phosphorus-collecting area
Circular arc partition board be concentric circles；The areas the screw propulsion aerobic nitrification Xi Lin bottom aeration mode is local positive pressure ventilation.
The areas screw propulsion aerobic nitrification Xi Lin are at least 2 grades of regions.
The rate of vegetation is not less than 30%.
The mud-water separation divides into concentration basin and sedimentation basin, and the muddy water of the concentration basin bottom concentration is nitrified as muddy water
Liquid cooperates with denitrification phosphorus-collecting area by first stripping reflux system flowback to anoxic denitrification, and muddy water reflux ratio is 150%~
300%；Sedimentation basin bottom muddy water passes through second stripping reflux system flowback to pre- denitrification as kind of a mud film mixed liquor
Area, kind mud reflux ratio are 10%~60%；Anoxic denitrification collaboration denitrification phosphorus-collecting area's outlet section muddy water is as domestication
Strain water, by third stripping reflux system flowback to pre- denitrification zone, domestication kind muddy water reflux ratio is 20%~60%.
The muddy water nitrification liquid is discharged with anaerobic zone and is sufficiently mixed by mixing channel；Described kind of mud film mixed liquor with into
Water is sufficiently mixed in pre- denitrification zone.
The pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, screw propulsion aerobic nitrification are inhaled
The emergent aquactic plant on the top in phosphorus area is planted by artificial floating island.
The pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, screw propulsion aerobic nitrification inhale phosphorus
The dischargeable capacity in area is 0.5~1.0：0.8~1.5：1.5~3.0：3.0~5.0.
The areas the screw propulsion aerobic nitrification Xi Lin Inlet and outlet water junction at different levels can be separated by perforated plate or straight slot connects
It is logical.
The pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, screw propulsion aerobic nitrification are inhaled
Phosphorus area according to function intensified can need that other carrier fillers are arranged；Each area's sludge concentration is 1000mg/L~8000mg/
L。
The advantageous effect of the utility model villages and small towns integrated sewage treatment device is：
1, it is inhaled in sludge denitrification area, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, screw propulsion aerobic nitrification
Emergent aquactic plant is planted on the top in phosphorus area, and flourishing root system becomes a kind of carrier type, and larger specific surface area makes biological attachment
Amount is very big, forms the Ni Mo coupled reactions area of active sludge and biomembrane, and effective biomass is greatly improved, and improves denitrogenation
Dephosphorization efficiency；The state that root system of plant is fluffy, floats is even more to be conducive to the infiltration transmission of oxygen, improves the utilization rate of oxygen；It is dirty simultaneously
Mud yield reduces by 25% or more, and the utilization rate of oxygen can be improved 10% or more；
2, local positive pressure ventilation is set in the areas screw propulsion aerobic nitrification Xi Lin, forms positive/negative-pressure cycle, is pushed away using flow
Power makes flow be pushed ahead at spiral flow form, realizes in inlet and outlet apart from identical flow along the maximum purpose of journey,
Bubble forms reoxygenation and recycles, improve the utilization ratio of oxygen with the continuous screw propulsion of flow, so as to reduce aeration quantity, reduces
Energy consumption；The mass-transfer efficiency between microorganism and pollutant is increased simultaneously, from, and then shorten hydraulic detention time, reduce pool capacity, drop
Low ton cost of water treatment；25% is can be improved using the technology coefficient of oxygen utilization, energy consumption reduces by 25%, and treatment effeciency can be improved 10%；
3, muddy water nitrification liquid is back to anoxic denitrification collaboration denitrification phosphorus-collecting area, ensures denitrification efficiency；The anti-nitre of anoxic
Change collaboration denitrification phosphorus-collecting area outlet section muddy water as domesticated strain water and be back to sludge denitrification area, enhances anaerobic/anoxic
Environment makes Installed System Memory play denitrification phosphorus-collecting effect in a large amount of Denitrifying Phosphate Accumulating Organisms, further increases denitrogenation dephosphorizing efficiency,
And Denitrifying Phosphorus Removal dephosphorization solves villages and small towns sewage low-carbon nitrogen ratio and is difficult to up to standard and management and control present situation without adding carbon source；
4, by the way that round partition is arranged, in partition top or lower part trepanning, flow is made to enter next order reaction at radial
Pond forms microkinetic in pond, avoids and the problems such as uneven water distribution and dead water region and short stream occurs；
5, emergent aquactic plant is planted on integration apparatus effectively absorb and sheltered the peculiar smell generated in sewage disposal process,
And the function that plant is beautified the environment improves villages and small towns sewage disposal device integrally single present situation, make integration apparatus with it is " beautiful
Good rural area " environment is perfectly combined, while the root system of plant can absorb in sewage and largely pollutes nutriment, by water pollutant
It is converted into plant ontology, further decreases the generation of surplus sludge volume.
Description of the drawings
Fig. 1 is a kind of villages and small towns integrated sewage treatment device structural schematic diagram；
Fig. 2 is a kind of villages and small towns integrated sewage treatment device diagrammatic cross-section.
In figure：1- sludge denitrifications area, the anaerobic zones 2-, 3- anoxic denitrifications cooperate with denitrification phosphorus-collecting area, 4- screw propulsions
The areas aerobic nitrification Xi Lin, the areas 41- level-one screw propulsion aerobic nitrification Xi Lin, 42- deuterostrophies promote the areas aerobic nitrification Xi Lin,
The areas 43- three-level screw propulsion aerobic nitrification Xi Lin, 5- mud-water separating areas, 51- concentration basins, 52- sedimentation basins, 6- equipment control rooms,
7- artificial floating islands, 8- plants, 9- root systems, 10- circular arc partition boards, 11- mixing channels.
Specific implementation mode
A kind of villages and small towns integrated sewage treatment device of the utility model is further described below in conjunction with the accompanying drawings：
Such as Fig. 1-Fig. 2, a kind of villages and small towns integrated sewage treatment device provided in this embodiment, including the sludge that is sequentially connected
Denitrification zone 1, anaerobic zone 2, collaboration denitrification phosphorus-collecting area of anoxic denitrification area 3, the areas screw propulsion aerobic nitrification Xi Lin 4, muddy water
Disengagement zone 5 and equipment control room 6.Sludge denitrification area 1, anaerobic zone 2, collaboration denitrification phosphorus-collecting area of anoxic denitrification area 3, spiral
It is 3 to promote the dischargeable capacity in the areas aerobic nitrification Xi Lin 4:4:8:15, top passes through 7 kinds of plant emergent aquactic plants 8 of artificial floating island.
In sludge denitrification area 1, anaerobic zone 2, collaboration denitrification phosphorus-collecting area of anoxic denitrification area 3 and the aerobic nitre of screw propulsion
Emergent aquactic plant 8 is planted on 4 top of the areas Hua Xilin, and rate of vegetation 70%-90% makes integration apparatus almost all set off and planting
In object, integration apparatus integrally single present situation is improved, integration apparatus is made to be perfectly combined with local " fine rural area " environment.
It is absorbed by emergent aquactic plant 8 or masking action, eliminates the peculiar smell that integration apparatus generates in sewage disposal process.Very water is planted
Huge 9 specific surface area of root system of object 8 is larger, becomes the carrier of good microorganism attachment, makes sludge denitrification area 1, anaerobic zone
2, anoxic denitrification area cooperates with the activated sludge of existing suspension in denitrification phosphorus-collecting area 3 and the areas screw propulsion aerobic nitrification Xi Lin 4,
There is the biomembrane being attached on root system 9 again, become Ni Mo coupled reactions area, greatly improve effective biomass, improves at sewage
Manage efficiency.And root system of plant 9 is loose fluffy, is conducive to the transmission of oxygen, improves the utilization rate of oxygen.Furthermore plant own growth
The nutriment consumed in sewage is absorbed, purifying water quality is played.So plantation emergent aquactic plant 8 not only eliminates peculiar smell, make
Integration apparatus is perfectly combined with local rural environments, improves acceptance level of the villager to equipment, but also enhance one
Body equipment unit volume treatment effeciency reduces pool capacity, reduces sludge output, reduces equipment investment and the O＆M expense in later stage.
Between sludge denitrification area 1 and anaerobic zone 2, between anaerobic zone 2 and anoxic denitrification collaboration denitrification phosphorus-collecting area 3
Separated by circular arc partition board 9, two circular arc partition boards 9 are arranged in concentric circles.Water is crossed by arc-shaped partition board, makes flow at jet-like
Into next stage pond, the microkinetic of dispersion disturbance is formed in pond, effectively avoids water distribution uneven and dead water region etc. occur asking
Topic improves wastewater purification efficiency.
The areas screw propulsion aerobic nitrification Xi Lin 4 are tertiary zone, and Inlet and outlet water junction is separated by perforated plate, sludge concentration
For 5000mg/L~8000mg/L.In order to more efficiently utilize oxygen, the concept of introducing screw propulsion stream that is, good in screw propulsion
Oxygen nitrifies the areas Xi Lin 4 and uses bottom part positive pressure ventilation, the cyclic force above and below water inlet motive force and bottom part positive pressure ventilation
Screw propulsion stream is formed under collective effect.In inlet and outlet apart from identical, screw propulsion stream has flow along journey maximum
The characteristics of, contact of the microorganism with oxygen is increased, mass transfer effect is improved, to aeration quantity is reduced, shorten waterpower and stop
It stays the time, reduce pool capacity, reduce many advantages such as cost.
Mud-water separating area 5 is divided for concentration basin 51 and sedimentation basin 52.The muddy water of 51 bottom of concentration basin concentration is nitrified as muddy water
Liquid cooperates with the mixing channel 10 on 3 top of denitrification phosphorus-collecting area by first stripping reflux system flowback to anoxic denitrification, with
The water outlet of anaerobic zone 2 enters anoxic denitrification collaboration denitrification phosphorus-collecting area 3 after being sufficiently mixed.52 bottom muddy water of sedimentation basin is as kind of a mud
Film mixed liquor passes through second stripping reflux system flowback to sludge denitrification area 1.Anoxic denitrification cooperates with denitrification phosphorus-collecting area
3 outlet section muddy water pass through third stripping reflux system flowback to sludge denitrification area 1 as domesticated strain water.The above reflux
The setting of system enhances anaerobic/anoxic environment, has tamed the bacterium colony using Denitrifying Phosphate Accumulating Organisms as dominant bacteria, specifically：The
The setting of one stripping reflux system provides sufficient nitrate nitrogen for denitrification phosphorus-collecting, and effectively prevents nitrification liquid and be back to detest
The harmful effect caused by anaerobic environment when oxygen area 2, ensures absolute anaerobic environment, keeps Denitrifying Phosphate Accumulating Organisms exhausted in anaerobic environment
To releasing phosphorus, ensure the suction phosphorus effect in follow-up aerobic/anaerobic environment；The setting of second stripping reflux system keeps denitrification poly-
Phosphorus strain mud returns to system front end, and under the action of third stripping reflux system hardening anaerobic/anoxic environment, tamed with
Denitrifying Phosphate Accumulating Organisms are the bacterium colony of dominant bacteria, play denitrification phosphorus-collecting effect.The above return-flow system is all made of stripping reflux, replaces
For more traditional pump refluxes, equipment investment, and more pump unifications are reduced, maintenance management is convenient for.
A kind of villages and small towns integrated sewage treatment device processing method is：
Make successively raw sewage flow through sludge denitrification area 1, anaerobic zone 2, collaboration denitrification phosphorus-collecting area of anoxic denitrification area 3,
The areas level-one screw propulsion aerobic nitrification Xi Lin 41, deuterostrophies promote the areas aerobic nitrification Xi Lin 42, the aerobic nitre of three-level screw propulsion
The areas Hua Xilin 43, concentration basin 51 and sedimentation basin 52, processed sewage are discharged from sedimentation basin 52, and Denitrifying Phosphate Accumulating Organisms intake is a large amount of
Excess sludge discharge system is used as after phosphorus.Carbon source is not added in technique.Technique is arranged from 51 bottom of concentration basin to anoxic denitrification
Cooperate with first stripping reflux system in denitrification phosphorus-collecting area 3, second gas from 52 bottom of sedimentation basin to sludge denitrification area 1
Return-flow system (sludge reflux) is put forward, from 3 outlet section of anoxic denitrification collaboration denitrification phosphorus-collecting area to the third in sludge denitrification area 1
A stripping reflux system, reflux ratio are respectively 150%, 30%, 40%.
The utility model provides a kind of thinking and method, and there are many method and the approach for implementing the technical solution, with
Only it is preferred embodiments of the present invention described in upper, it is noted that for those skilled in the art,
Without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications should also regard
For the scope of protection of the utility model, all undefined components in this embodiment can be implemented in the prior art.
Claims (9)
1. a kind of villages and small towns integrated sewage treatment device, it is characterised in that：The villages and small towns integrated sewage treatment device include according to
Secondary connected pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, the areas screw propulsion aerobic nitrification Xi Lin,
Mud-water separating area and equipment control room；Pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area and the spiral shell
It is Ni Mo coupled reactions area that rotation, which promotes the areas aerobic nitrification Xi Lin, and upper part plants emergent aquactic plant；The root system of the emergent aquactic plant
As biofilm carrier；The pre- denitrification zone, anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, screw propulsion are aerobic
The areas nitrification Xi Lin absorb nutriment by the biomembrane, suspension sludge and plant itself root system that adhere on root system of plant
Mutually synergistic effect completes the processing of sewage；The sludge denitrification area and anaerobic zone and anaerobic zone and anoxic denitrification collaboration are anti-
The circular arc partition board for nitrifying the areas Ju Lin is concentric circles；The areas the screw propulsion aerobic nitrification Xi Lin bottom aeration mode is local positive pressure
Gas supply；The gas that is poisonous and harmful, having smell pollution generated in the plant stem-leaf removal sewage disposal process.
2. villages and small towns integrated sewage treatment device according to claim 1, it is characterised in that：The aerobic nitre of screw propulsion
The areas Hua Xilin are at least 2 grades of regions.
3. villages and small towns integrated sewage treatment device according to claim 1, it is characterised in that：The rate of vegetation is not
Less than 30%.
4. villages and small towns integrated sewage treatment device according to claim 1, it is characterised in that：The mud-water separation is divided into
The muddy water of concentration basin and sedimentation basin, the concentration basin bottom concentration passes through first stripping reflux system as muddy water nitrification liquid
It is back to anoxic denitrification collaboration denitrification phosphorus-collecting area, muddy water reflux ratio is 150%~300%；Sedimentation basin bottom muddy water
As kind of a mud film mixed liquor, by second stripping reflux system flowback to pre- denitrification zone, kind mud reflux ratio is 10%~
60%；The anoxic denitrification cooperates with denitrification phosphorus-collecting area's outlet section muddy water as domesticated strain water, passes through third air lift
Return-flow system is back to pre- denitrification zone, and domestication kind muddy water reflux ratio is 20%~60%.
5. villages and small towns integrated sewage treatment device according to claim 4, it is characterised in that：The muddy water nitrification liquid with detest
The water outlet of oxygen area is sufficiently mixed by mixing channel；Described kind of mud film mixed liquor is sufficiently mixed with water inlet in pre- denitrification zone.
6. villages and small towns integrated sewage treatment device according to claim 1, it is characterised in that：The pre- denitrification zone,
Anaerobic zone, anoxic denitrification collaboration denitrification phosphorus-collecting area, the areas screw propulsion aerobic nitrification Xi Lin top emergent aquactic plant plantation
On artificial floating island.
7. villages and small towns integrated sewage treatment device according to claim 1, it is characterised in that：The pre- denitrification zone is detested
Oxygen area, anoxic denitrification cooperate with denitrification phosphorus-collecting area, the dischargeable capacity in the areas screw propulsion aerobic nitrification Xi Lin is 0.5~1.0：
0.8~1.5：1.5~3.0：3.0~5.0.
8. villages and small towns integrated sewage treatment device according to claim 1, it is characterised in that：The screw propulsion at different levels
The areas aerobic nitrification Xi Lin Inlet and outlet water junction can be separated by perforated plate or straight slot connection.
9. villages and small towns integrated sewage treatment device according to claim 1, it is characterised in that：The pre- denitrification zone,
Anaerobic zone, anoxic denitrification cooperate with denitrification phosphorus-collecting area, the sludge concentration in the areas screw propulsion aerobic nitrification Xi Lin is 1000mg/L
~8000mg/L.
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| CN201721723659.5U CN207862003U (en) | 2017-12-12 | 2017-12-12 | A kind of villages and small towns integrated sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723659.5U CN207862003U (en) | 2017-12-12 | 2017-12-12 | A kind of villages and small towns integrated sewage treatment device |
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| CN207862003U true CN207862003U (en) | 2018-09-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840455A (en) * | 2017-12-12 | 2018-03-27 | 安徽华骐环保科技股份有限公司 | A kind of villages and small towns integrated sewage treatment device and processing method |
-
2017
- 2017-12-12 CN CN201721723659.5U patent/CN207862003U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840455A (en) * | 2017-12-12 | 2018-03-27 | 安徽华骐环保科技股份有限公司 | A kind of villages and small towns integrated sewage treatment device and processing method |
| CN107840455B (en) * | 2017-12-12 | 2024-01-02 | 安徽华骐环保科技股份有限公司 | Village and town sewage treatment integrated device and treatment method |
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