CN107459208A - A kind of activated sludge fusion aquatic plant purification sewage device and its application - Google Patents
A kind of activated sludge fusion aquatic plant purification sewage device and its application Download PDFInfo
- Publication number
- CN107459208A CN107459208A CN201710736819.8A CN201710736819A CN107459208A CN 107459208 A CN107459208 A CN 107459208A CN 201710736819 A CN201710736819 A CN 201710736819A CN 107459208 A CN107459208 A CN 107459208A
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- floating plant
- pond
- sludge
- sedimentation basin
- activated sludge
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- 239000010802 sludge Substances 0.000 title claims abstract description 214
- 239000010865 sewage Substances 0.000 title claims abstract description 67
- 238000000746 purification Methods 0.000 title claims abstract description 64
- 230000004927 fusion Effects 0.000 title claims abstract description 7
- 238000007667 floating Methods 0.000 claims abstract description 230
- 238000004062 sedimentation Methods 0.000 claims abstract description 142
- 238000010521 absorption reaction Methods 0.000 claims abstract description 61
- 238000005273 aeration Methods 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 claims abstract description 20
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 10
- 239000011574 phosphorus Substances 0.000 claims abstract description 10
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 241000196324 Embryophyta Species 0.000 claims description 258
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 138
- 238000007599 discharging Methods 0.000 claims description 25
- 230000009189 diving Effects 0.000 claims description 19
- 238000005286 illumination Methods 0.000 claims description 19
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 claims description 8
- 230000015556 catabolic process Effects 0.000 claims description 7
- 239000000356 contaminant Substances 0.000 claims description 7
- 238000006731 degradation reaction Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 240000003826 Eichhornia crassipes Species 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 239000000084 colloidal system Substances 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- 241000169203 Eichhornia Species 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 206010021143 Hypoxia Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 230000007954 hypoxia Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 feed Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
Abstract
A kind of activated sludge fusion aquatic plant purification sewage device and its application, belong to nitrogenous, phosphorus organic sewage field of purification.Described device includes pretreatment unit, floating plant activated sludge aeration pond and sludge aerobic digester, described device also includes activated sludge absorption pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification pond, the pretreatment unit, activated sludge absorption pond, floating plant sedimentation basin a, floating plant activated sludge aeration pond, floating plant sedimentation basin b connects with ecological purification pond successively pipeline, the floating plant sedimentation basin a is connected by sludge aerobic digester with activated sludge absorption pond, the floating plant sedimentation basin b connects with activated sludge absorption pond.It is combined by using activated sludge and floating plant, can quickly removes suspension class and colloid type organic, nitrogen and phosphorus in sewage, has the advantages that clean-up effect is strengthened, recycles increase benefit, has landscape effect.
Description
Technical field
The invention belongs to nitrogenous, phosphorus organic sewage field of purification, and in particular to a kind of activated sludge fusion water plant is net
Change sewage device and its application.
Background technology
Chinese society economy develops rapidly, population rapid growth, and urbanization process is accelerated, and produces a large amount of industrial wastewaters and life
Sewage living, causes sewage load big, treatment pressure of sewage weight, and effluent quality is not up to standard.Water pollution problems crisis people's body
Health is serious to hinder China's economic development.
It is a large amount of practice have shown that, aquatic plant purification sewage, because effects of purification quality is good, energy consumption is low, high financial profit, letter
The features such as easy and ecosystem of list is friendly, and be increasingly used widely.
Patent CN201420366127.0 discloses " a kind of solar energy aeration water hyacinth ecological floating island ", from dirt-removing power
Strong water plant --- water hyacinth builds water hyacinth ecological floating island as chinampa plant, is supplied by ecological floating island of aerator
Oxygen, the excessive oxygen consumption of water hyacinth respiration is avoided to cause water hypoxia.The patent is only entered by water hyacinth to micro- polluted lake water body
Row restoration of the ecosystem, purification efficiency is limited, although there is aerating system, and prevents water hypoxia, is not suitable for processing pollutant concentration
Higher town sewage.
Patent CN201010551458.8 discloses " method for utilizing water hyacinth pollution administration water body ", and it is blocked by setting
The sprawling that dam intercepts water hyacinth is cut, aerating system is installed in water hyacinth planting area to handle polluted-water.The patent is also main
Restoration of the ecosystem is carried out to polluted-water with water hyacinth, be not suitable for urban wastewater treatment.
Patent CN201120440807.9 discloses that " a kind of small-sized anniversary using water hyacinth purifying domestic sewage is compound net
Change system ", sewage pass sequentially through buffer pool, aeration tank, anaerobic fermentation pond, water hyacinth culturing pool etc., pass through a set of integrated system
Technical scheme, it is high to solve municipal wastewater deep purifying, nutritive salt resource reclaim, wetland plant processing and recycling, system anniversary
The problem of effect operation etc..The processing system is complicated, and nitrogen removal effect is limited, and the big grade of water hyacinth culturing pool floor space lacks
Point.
Patent CN201410250158.4 discloses " a kind of river sewage administering method ", using netted fixed mount by water calabash
What reed etc. grew in water is fixed on river course with the plant to purify water, and river course is purified using the growth of the plants such as water hyacinth
Sewage.The patent utilization fixed mount fixes water hyacinth, does not consider that water hyacinth leaves the growth sprawling after fixed mount but, lacks follow-up
Processing, easily overflows.
The content of the invention
The technical problem of solution:The defects of being not suitable for higher concentration Nitrogen-and Phosphorus-containing organic wastewater for the above method, the present invention
A kind of activated sludge fusion aquatic plant purification sewage device and its application are provided, there is clean-up effect to strengthen, recycle increasing
Big benefit, there is landscape effect.
Technical scheme:A kind of activated sludge merges aquatic plant purification sewage device, described device include pretreatment unit,
Floating plant activated sludge aeration pond and sludge aerobic digester are coarse rack that the pretreatment unit includes being sequentially connected, heavy
Sand pond and fine fack, described device also include activated sludge absorption pond, floating plant sedimentation basin a, floating plant sedimentation basin b and life
State clarifier-tank, the activated sludge absorption pond include gallery water channel a and diving mixer, are provided with and live inside the gallery water channel a
Property sludge, the diving mixer are located at gallery water channel a bottoms, activated sludge absorption pond one end and pretreatment unit phase
Connect;
The floating plant sedimentation basin a includes advection type pond and floating plant a, and the advection type pond includes water inlet, dirt
Mud sump, grating type salvage machine a, sludge pump, delivery port and mud discharging mouth, and the water inlet is located at floating plant sedimentation basin a one end
Top, the sludge-tank are located at and swum located at floating plant sedimentation basin a bottom, close to one end of water inlet, the delivery port
The top of the plant sedimentation basin a other ends, the grating type salvage machine a located at floating plant sedimentation basin a close to one end of delivery port,
The mud discharging mouth is located at the bottom of sludge-tank, and the sludge pump is connected with mud discharging mouth pipeline, and the floating plant a is located at advection type
Pond top, the floating plant a are distributed on advection type pond including floating plant root system a, the floating plant root system a
Portion, the water inlet are connected with activated sludge absorption pond pipeline, and the delivery port is intake with floating plant activated sludge aeration pond
Mouth pipeline connection, the mud discharging mouth are connected with the mud inlet pipeline of sludge aerobic digester;
The structure of the floating plant sedimentation basin b is identical with floating plant sedimentation basin a, the water inlet of the floating plant sedimentation basin b
Mouth is connected with the delivery port pipeline in floating plant activated sludge aeration pond, mud mouth and the activity of the floating plant sedimentation basin b
The tip duct connection in sludge absorption pond;
The ecological purification pond includes water inlet end, gallery water channel b, floating plant b, grating type and salvages machine b and water side, it is described enter
Water end (W.E.) is located at the top of gallery water channel b one end, and the floating plant b is located at gallery water channel b tops, and the water side is located at gallery
The top of the water channel b other ends, the grating type salvage the other end that machine b is located at gallery water channel b, the water inlet in the ecological purification pond
End is connected with floating plant sedimentation basin b delivery port pipeline.
Preferably, the floating plant sedimentation basin a, which also includes ceiling a, the ceiling a, includes solar panels a, canopy body a
Floating plant sedimentation basin a top is located at lamp a, the canopy body a, the solar panels a is located at canopy body a top outer, institute
State the inside top that lamp a is located at canopy body a;
The floating plant sedimentation basin b, which also includes ceiling b, the ceiling b, includes solar panels b, canopy body b and lamp b, the canopy body
B is located at floating plant sedimentation basin b top, and the solar panels b is located at canopy body b top outer, and the lamp b is located at canopy body b
Inside top;
The ecological purification pond also includes ceiling c, and the ceiling c includes solar panels c, canopy body c and lamp c, and the canopy body c is located at
The top in ecological purification pond, the solar panels c are located at canopy body c top outer, and the lamp c is located at canopy body c inside top.
Preferably, the floating plant activated sludge aeration pond, floating plant sedimentation basin a, floating plant sedimentation basin b and
Floating plant Wei great Piao or water hyacinth in ecological purification pond.
Another technical scheme of the present invention is application of the described device in Nitrogen-and Phosphorus-containing organic sewage is purified.
The application comprises the following steps:
Step 1 is nitrogenous, the gravity flow after pretreatment unit removes thick solid impurity of phosphorus organic wastewater enters activated sludge and inhaled
Attached pond;
After sewage of the step 2 after step 1 processing enters activated sludge absorption pond, diving mixer is opened(2)Lived
Property sludge absorption, it is 6000 ~ 10000 mg/L to control sludge concentration MLSS values, and hydraulic detention time is 30 ~ 60 min;
Sewage of the step 3 after activated sludge absorption is handled flows into floating plant sedimentation basin a, controls hydraulic detention time 2 ~ 3
H, floating plant coverage 70 ~ 80%, settled sludge are discharged outside pond by sludge pump, wherein 50%~60% flows into sludge aerobic
Digester carries out contaminant degradation, and excess sludge carries out dewater treatment, and ceiling light a intensities of illumination are 150 ~ 250lx, the light filling time
For 18:00~24:00;
Step 4 floating plant sedimentation basins a water outlet enters floating plant activated sludge aeration pond, control sludge concentration MLSS
For 2000 ~ 4000 mg/L, DO is 2 ~ 3 mg/L, the h of hydraulic detention time 4 ~ 6;
The pond water outlet of step 5 floating plant activated sludge aerations enters floating plant sedimentation basin b, controls hydraulic detention time 2.5
~ 3.5 h, water plant coverage 40 ~ 50%, the activated sludge of sedimentation are all back to activated sludge absorption pond, ceiling light b light
It is 150 ~ 250 lx according to intensity, the light filling time is 18:00~24:00;
Step 6 floating plant sedimentation basins b water outlet enters ecological purification pond, control water plant coverage 60 ~ 80%, waterpower
Residence time is arranged to 1~2 d, the water outlet in ecological purification pond directly discharge or as Treated sewage reusing water source, ceiling light c illumination
Intensity is 150 ~ 250 lx, and the light filling time is 18:00~24:00.
Preferably, it is 10000 mg/L that sludge concentration MLSS values are controlled in the step 2, hydraulic detention time 60
min。
Preferably, control control hydraulic detention time 3h, floating plant coverage 80%, sedimentation are dirty in the step 3
Mud is discharged outside pond by sludge pump, wherein 60% flows into sludge aerobic digester progress contaminant degradation, ceiling light a intensities of illumination
For 250 lx.
Preferably, it is 4000 mg/L that sludge concentration MLSS is controlled in the step 4, DO is 3 mg/L, hydraulic retention
The h of time 6.
Preferably, the h of hydraulic detention time 3.5, water plant coverage 50%, ceiling light b are controlled in the step 5
Intensity of illumination is 250 lx.
Preferably, controlling water plant coverage 80% in the step 6, hydraulic detention time is arranged to 2d, ceiling
Lamp c intensities of illumination are 250 lx.
Beneficial effect:(1)Using the big adsorption capacity of activated sludge specific surface area it is strong the advantages that quick adsorption remove sewage in
Suspension class and colloid type organic, nitrogen and phosphorus, substantially reduce the loads of subsequent processing units.It is dirty for town sewage, activity
Typically removable 70% or so the COD of mud absorption and part nitrogen phosphorus, and the system of existing processing town sewage passes sequentially through for sewage
Pretreatment(Coarse rack, setting pot and fine fack), preliminary sedimentation tank, anaerobic pond, anoxic pond, Aerobic Pond and second pond, wherein anaerobic pond,
Contain activated sludge in anoxic pond, Aerobic Pond.In not additional carbon and in the case of adding chemical dephosphorization agent, the COD of water outlet
≤ 60mg/L, NH3The mg/L of-N≤8 mg/L, SS≤15, but TN is usually above 15mg/L, even more than 20mg/L, TP also one
As more than 1mg/L, be extremely difficult to《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002)In one-level A mark
It is accurate.
(2)Effluent quality is good:Sewage concentration after activated sludge absorption substantially reduces, while utilizes activated sludge and aquatic
Plant cooperated purification, enhances clean-up effect, reaches good effluent quality.
(3)With landscape effect:The present invention changes deficiency of the traditional wastewater treatment plant without landscape, and the green plants of breeding floats
Water vegetal cover pond body surface forms large stretch of green landscape, has beautified environment.
(4)Recycle increase benefit:Water plant can produce fertilizer, feed, paper making raw material and marsh gas raw materials, be particular about ring
While the benefit of border, the maximization of economic benefit is pursued.
Brief description of the drawings
Fig. 1 is device technique flow chart of the present invention;
Fig. 2 is activated sludge absorption pool structure schematic diagram in device of the present invention;
Fig. 3 is floating plant sedimentation basin structural representation in device of the present invention.
Label represents as follows in figure:1. gallery type water channel a;2. diving mixer;3. sludge-tank;4. advection type pond;5.
Floating plant a;6. floating plant root system a;7. grating type salvages machine a;8. sludge pump;9. solar panels a;10. canopy body a;11. lamp
a;12. water inlet;13. delivery port;14. mud discharging mouth.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of activated sludge merges aquatic plant purification sewage device, and described device includes pretreatment unit, floating plant activity
Sludge aeration pond and sludge aerobic digester, the pretreatment unit include coarse rack, setting pot and the fine fack being sequentially connected.
Described device also includes activated sludge absorption pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification pond, described
Activated sludge absorption pond includes gallery water channel a 1 and diving mixer 2, and the inside of gallery water channel a 1 is provided with activated sludge, institute
State diving mixer 2 and be located at the bottoms of gallery water channel a 1, activated sludge absorption pond one end connects with pretreatment unit.
The floating plant sedimentation basin a includes advection type pond 4 and floating plant a 5, the advection type pond 4 include into
The mouth of a river 12, sludge-tank 3, grating type salvage machine a 7, sludge pump 8, delivery port 13 and mud discharging mouth 14, and the water inlet 12 is located at floating
The top of water plant sedimentation basin a one end, the sludge-tank 3 is located at floating plant sedimentation basin a bottom, one close to water inlet 12
End, the delivery port 13 are located at the top of the floating plant sedimentation basin a other ends, and the grating type salvaging machine a 7, which is located at, to swim to plant
For thing sedimentation basin a close to one end of delivery port, the mud discharging mouth 14 is located at the bottom of sludge-tank 3, the sludge pump 8 and mud discharging mouth 14
Pipeline connects, and the floating plant a 5 is located at the top of advection type pond 4, and the floating plant a 5 includes floating plant root system a
6, the floating plant root system a 6 are distributed in the top of advection type pond 4, and the water inlet 12 connects with activated sludge absorption pond pipeline
Connect, the delivery port 13 is connected with floating plant activated sludge aeration pond water inlet conduit, the mud discharging mouth 14 and sludge aerobic
The mud inlet pipeline connection of digester.
The structure of the floating plant sedimentation basin b is identical with floating plant sedimentation basin a, the floating plant sedimentation basin b's
Water inlet is connected with the delivery port pipeline in floating plant activated sludge aeration pond, the mud mouth of the floating plant sedimentation basin b with
The tip duct connection in activated sludge absorption pond.
The ecological purification pond includes water inlet end, gallery water channel b, floating plant b, grating type and salvages machine b and water side, institute
The top that water inlet end is located at gallery water channel b one end is stated, the floating plant b is located at gallery water channel b tops, and the water side is located at
The top of the gallery water channel b other ends, the grating type salvage the other end that machine b is located at gallery water channel b, the ecological purification pond
Water inlet end is connected with floating plant sedimentation basin b delivery port pipeline.
Applying step of the described device in Nitrogen-and Phosphorus-containing organic sewage is purified be:
Step 1 is nitrogenous, the gravity flow after pretreatment unit removes thick solid impurity of phosphorus organic wastewater enters activated sludge and inhaled
Attached pond;
After sewage of the step 2 after step 1 processing enters activated sludge absorption pond, open diving mixer 2 and carry out activity
Sludge absorption, sludge is set to be sufficiently mixed with sewage, it is 10000 mg/L to control sludge concentration MLSS values, hydraulic detention time 60
min;
Sewage of the step 3 after activated sludge absorption is handled flows into floating plant sedimentation basin a, utilizes the root system of floating plant
Filter screen is formed, activated sludge outflow is effectively intercepted, controls the h of hydraulic detention time 3, floating plant coverage 80%, settled sludge
Discharged by sludge pump outside pond, wherein 60% flows into sludge aerobic digester progress contaminant degradation, excess sludge is dehydrated
Processing;
Step 4 floating plant sedimentation basins a water outlet enters floating plant activated sludge aeration pond, control sludge concentration MLSS
For 4000 mg/L, DO is 3 mg/L, the h of hydraulic detention time 6;
The pond water outlet of step 5 floating plant activated sludge aerations enters floating plant sedimentation basin b, controls hydraulic detention time 3.5
H, water plant coverage 50%, the activated sludge of sedimentation are all back to activated sludge absorption pond;
Step 6 floating plant sedimentation basins b water outlet enters ecological purification pond, and control water plant coverage 80%, waterpower is stopped
Stay the time to be arranged to 2 d, the water outlet in ecological purification pond directly discharge or as Treated sewage reusing water source.
Embodiment 2
A kind of activated sludge merges aquatic plant purification sewage device, and described device includes pretreatment unit, floating plant activity
Sludge aeration pond and sludge aerobic digester, the pretreatment unit include coarse rack, setting pot and the fine fack being sequentially connected.
Described device also includes activated sludge absorption pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification pond, described
Activated sludge absorption pond includes gallery water channel a 1 and diving mixer 2, and the inside of gallery water channel a 1 is provided with activated sludge, institute
State diving mixer 2 and be located at the bottoms of gallery water channel a 1, activated sludge absorption pond one end connects with pretreatment unit.
The floating plant sedimentation basin a includes advection type pond 4 and floating plant a 5, the advection type pond 4 include into
The mouth of a river 12, sludge-tank 3, grating type salvage machine a 7, sludge pump 8, delivery port 13 and mud discharging mouth 14, and the water inlet 12 is located at floating
The top of water plant sedimentation basin a one end, the sludge-tank 3 is located at floating plant sedimentation basin a bottom, one close to water inlet 12
End, the delivery port 13 are located at the top of the floating plant sedimentation basin a other ends, and the grating type salvaging machine a 7, which is located at, to swim to plant
For thing sedimentation basin a close to one end of delivery port, the mud discharging mouth 14 is located at the bottom of sludge-tank 3, the sludge pump 8 and mud discharging mouth 14
Pipeline connects, and the floating plant a 5 is located at the top of advection type pond 4, and the floating plant a 5 includes floating plant root system a
6, the floating plant root system a 6 are distributed in the top of advection type pond 4, and the water inlet 12 connects with activated sludge absorption pond pipeline
Connect, the delivery port 13 is connected with floating plant activated sludge aeration pond water inlet conduit, the mud discharging mouth 14 and sludge aerobic
The mud inlet pipeline connection of digester.
The structure of the floating plant sedimentation basin b is identical with floating plant sedimentation basin a, the floating plant sedimentation basin b's
Water inlet is connected with the delivery port pipeline in floating plant activated sludge aeration pond, the mud mouth of the floating plant sedimentation basin b with
The tip duct connection in activated sludge absorption pond.
The ecological purification pond includes water inlet end, gallery water channel b, floating plant b, grating type and salvages machine b and water side, institute
The top that water inlet end is located at gallery water channel b one end is stated, the floating plant b is located at gallery water channel b tops, and the water side is located at
The top of the gallery water channel b other ends, the grating type salvage the other end that machine b is located at gallery water channel b, the ecological purification pond
Water inlet end is connected with floating plant sedimentation basin b delivery port pipeline.
The floating plant sedimentation basin a, which also includes ceiling a, the ceiling a, includes solar panels a 9, canopy body a 10 and lamp a
11, the canopy body a 10 are located at floating plant sedimentation basin a top, and the solar panels a 9 is outside canopy body a 10 top
Side, the lamp a 11 are located at canopy body a 10 inside top.
The floating plant sedimentation basin b also includes ceiling b, and the ceiling b includes solar panels b, canopy body b and lamp b, described
Canopy body b is located at floating plant sedimentation basin b top, and the solar panels b is located at canopy body b top outer, and the lamp b is located at canopy
Body b inside top.
The ecological purification pond, which also includes ceiling c, the ceiling c, includes solar panels c, canopy body c and lamp c, the canopy body c
Located at the top in ecological purification pond, the solar panels c is located at canopy body c top outer, and the lamp c is located at canopy body c top
Inner side.
The floating plant activated sludge aeration pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification
Floating plant Wei great Piao in pond.
Applying step of the described device in Nitrogen-and Phosphorus-containing organic sewage is purified be:
Step 1 is nitrogenous, the gravity flow after pretreatment unit removes thick solid impurity of phosphorus organic wastewater enters activated sludge and inhaled
Attached pond;
After sewage of the step 2 after step 1 processing enters activated sludge absorption pond, open diving mixer 2 and carry out activity
Sludge absorption, sludge is set to be sufficiently mixed with sewage, it is 6000 mg/L to control sludge concentration MLSS values, hydraulic detention time 30
min;
Sewage of the step 3 after activated sludge absorption is handled flows into floating plant sedimentation basin a, utilizes the root system of floating plant
Filter screen is formed, activated sludge outflow is effectively intercepted, controls the h of hydraulic detention time 2, floating plant coverage 70%, settled sludge
Discharged by sludge pump outside pond, wherein 50% flows into sludge aerobic digester progress contaminant degradation, excess sludge is dehydrated
Processing, ceiling light a intensities of illumination are 150 lx, and the light filling time is 18:00~24:00;
Step 4 floating plant sedimentation basins a water outlet enters floating plant activated sludge aeration pond, control sludge concentration MLSS
For 2000 mg/L, DO is 2 mg/L, the h of hydraulic detention time 4;
The pond water outlet of step 5 floating plant activated sludge aerations enters floating plant sedimentation basin b, controls hydraulic detention time 2.5
H, water plant coverage 40%, the activated sludge of sedimentation are all back to activated sludge absorption pond, and ceiling light b intensities of illumination are
150 lx, light filling time are 18:00~24:00;
Step 6 floating plant sedimentation basins b water outlet enters ecological purification pond, and control water plant coverage 60%, waterpower is stopped
Stay the time to be arranged to 1d, the water outlet in ecological purification pond directly discharge or be as Treated sewage reusing water source, ceiling light c intensities of illumination
150 lx, light filling time are 18:00~24:00.Water outlet COD≤60mg/L, NH3- N≤8 mg/L, TN≤15mg/L, TP≤
The mg/L of 1mg/L, SS≤15, can be discharged or as Treated sewage reusing water source.
The system of existing processing town sewage passes sequentially through pretreatment for sewage(Coarse rack, setting pot and fine fack), just
Heavy pond, anaerobic pond, anoxic pond, Aerobic Pond and second pond, wherein contain activated sludge in anaerobic pond, anoxic pond, Aerobic Pond.It is good
The gas-water ratio in oxygen pond relatively up to arrive not additional carbon with add chemical dephosphorization agent in the case of, COD≤60mg/L of water outlet,
NH3The mg/L of-N≤8 mg/L, SS≤15, but TN is usually above 15mg/L, even more than 20mg/L, and TP is also generally more than 1mg/
L, it is extremely difficult to《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002)In one-level A standards.
Embodiment 3
A kind of activated sludge merges aquatic plant purification sewage device, and described device includes pretreatment unit, floating plant activity
Sludge aeration pond and sludge aerobic digester, the pretreatment unit include coarse rack, setting pot and the fine fack being sequentially connected.
Described device also includes activated sludge absorption pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification pond, described
Activated sludge absorption pond includes gallery water channel a 1 and diving mixer 2, and the inside of gallery water channel a 1 is provided with activated sludge, institute
State diving mixer 2 and be located at the bottoms of gallery water channel a 1, activated sludge absorption pond one end connects with pretreatment unit.
The floating plant sedimentation basin a includes advection type pond 4 and floating plant a 5, the advection type pond 4 include into
The mouth of a river 12, sludge-tank 3, grating type salvage machine a 7, sludge pump 8, delivery port 13 and mud discharging mouth 14, and the water inlet 12 is located at floating
The top of water plant sedimentation basin a one end, the sludge-tank 3 is located at floating plant sedimentation basin a bottom, one close to water inlet 12
End, the delivery port 13 are located at the top of the floating plant sedimentation basin a other ends, and the grating type salvaging machine a 7, which is located at, to swim to plant
For thing sedimentation basin a close to one end of delivery port, the mud discharging mouth 14 is located at the bottom of sludge-tank 3, the sludge pump 8 and mud discharging mouth 14
Pipeline connects, and the floating plant a 5 is located at the top of advection type pond 4, and the floating plant a 5 includes floating plant root system a
6, the floating plant root system a 6 are distributed in the top of advection type pond 4, and the water inlet 12 connects with activated sludge absorption pond pipeline
Connect, the delivery port 13 is connected with floating plant activated sludge aeration pond water inlet conduit, the mud discharging mouth 14 and sludge aerobic
The mud inlet pipeline connection of digester.
The structure of the floating plant sedimentation basin b is identical with floating plant sedimentation basin a, the floating plant sedimentation basin b's
Water inlet is connected with the delivery port pipeline in floating plant activated sludge aeration pond, the mud mouth of the floating plant sedimentation basin b with
The tip duct connection in activated sludge absorption pond.
The ecological purification pond includes water inlet end, gallery water channel b, floating plant b, grating type and salvages machine b and water side, institute
The top that water inlet end is located at gallery water channel b one end is stated, the floating plant b is located at gallery water channel b tops, and the water side is located at
The top of the gallery water channel b other ends, the grating type salvage the other end that machine b is located at gallery water channel b, the ecological purification pond
Water inlet end is connected with floating plant sedimentation basin b delivery port pipeline.
The floating plant sedimentation basin a, which also includes ceiling a, the ceiling a, includes solar panels a 9, canopy body a 10 and lamp a
11, the canopy body a 10 are located at floating plant sedimentation basin a top, and the solar panels a 9 is outside canopy body a 10 top
Side, the lamp a 11 are located at canopy body a 10 inside top.
The floating plant sedimentation basin b also includes ceiling b, and the ceiling b includes solar panels b, canopy body b and lamp b, described
Canopy body b is located at floating plant sedimentation basin b top, and the solar panels b is located at canopy body b top outer, and the lamp b is located at canopy
Body b inside top.
The ecological purification pond, which also includes ceiling c, the ceiling c, includes solar panels c, canopy body c and lamp c, the canopy body c
Located at the top in ecological purification pond, the solar panels c is located at canopy body c top outer, and the lamp c is located at canopy body c top
Inner side.
The floating plant activated sludge aeration pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification
Floating plant Wei great Piao in pond.
Applying step of the described device in Nitrogen-and Phosphorus-containing organic sewage is purified be:
Step 1 is nitrogenous, the gravity flow after pretreatment unit removes thick solid impurity of phosphorus organic wastewater enters activated sludge and inhaled
Attached pond;
After sewage of the step 2 after step 1 processing enters activated sludge absorption pond, open diving mixer 2 and carry out activity
Sludge absorption, sludge is set to be sufficiently mixed with sewage, it is 8000 mg/L to control sludge concentration MLSS values, hydraulic detention time 45
min;
Sewage of the step 3 after activated sludge absorption is handled flows into floating plant sedimentation basin a, utilizes the root system of floating plant
Filter screen is formed, effectively interception activated sludge flows out, the control h of hydraulic detention time 2.5, floating plant coverage 80%, and sedimentation is dirty
Mud is discharged outside pond by sludge pump, wherein 55% flows into sludge aerobic digester progress contaminant degradation, excess sludge is taken off
Water process, ceiling light a intensities of illumination are 200 lx, and the light filling time is 18:00~24:00;
Step 4 floating plant sedimentation basins a water outlet enters floating plant activated sludge aeration pond, control sludge concentration MLSS
For 3000 mg/L, DO is 2.5 mg/L, the h of hydraulic detention time 5;
The pond water outlet of step 5 floating plant activated sludge aerations enters floating plant sedimentation basin b, controls hydraulic detention time 3.5
H, water plant coverage 50%, the activated sludge of sedimentation are all back to activated sludge absorption pond, and ceiling light b intensities of illumination are
200 lx, light filling time are 18:00~24:00;
Step 6 floating plant sedimentation basins b water outlet enters ecological purification pond, and control water plant coverage 70%, waterpower is stopped
Stay the time to be arranged to 1.5 d, the water outlet in ecological purification pond directly discharge or it is strong as Treated sewage reusing water source, ceiling light c illumination
It is 18 to spend for 200 lx, light filling time:00~24:00.Water outlet COD≤50mg/L, NH3- N≤5mg/L, TN≤10mg/L, TP
The mg/L of≤0.6mg/L, SS≤15, can be discharged or as Treated sewage reusing water source.
The system of existing processing town sewage passes sequentially through pretreatment for sewage(Coarse rack, setting pot and fine fack), just
Heavy pond, anaerobic pond, anoxic pond, Aerobic Pond and second pond, wherein contain activated sludge in anaerobic pond, anoxic pond, Aerobic Pond.It is good
The gas-water ratio in oxygen pond relatively up to arrive not additional carbon with add chemical dephosphorization agent in the case of, COD≤60mg/L of water outlet,
NH3The mg/L of-N≤8 mg/L, SS≤15, but TN is usually above 15mg/L, even more than 20mg/L, and TP is also generally more than 1mg/
L, it is extremely difficult to《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002)In one-level A standards.
Embodiment 4
A kind of activated sludge merges aquatic plant purification sewage device, and described device includes pretreatment unit, floating plant activity
Sludge aeration pond and sludge aerobic digester, the pretreatment unit include coarse rack, setting pot and the fine fack being sequentially connected.
Described device also includes activated sludge absorption pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification pond, described
Activated sludge absorption pond includes gallery water channel a 1 and diving mixer 2, and the inside of gallery water channel a 1 is provided with activated sludge, institute
State diving mixer 2 and be located at the bottoms of gallery water channel a 1, activated sludge absorption pond one end connects with pretreatment unit.
The floating plant sedimentation basin a includes advection type pond 4 and floating plant a 5, the advection type pond 4 include into
The mouth of a river 12, sludge-tank 3, grating type salvage machine a 7, sludge pump 8, delivery port 13 and mud discharging mouth 14, and the water inlet 12 is located at floating
The top of water plant sedimentation basin a one end, the sludge-tank 3 is located at floating plant sedimentation basin a bottom, one close to water inlet 12
End, the delivery port 13 are located at the top of the floating plant sedimentation basin a other ends, and the grating type salvaging machine a 7, which is located at, to swim to plant
For thing sedimentation basin a close to one end of delivery port, the mud discharging mouth 14 is located at the bottom of sludge-tank 3, the sludge pump 8 and mud discharging mouth 14
Pipeline connects, and the floating plant a 5 is located at the top of advection type pond 4, and the floating plant a 5 includes floating plant root system a
6, the floating plant root system a 6 are distributed in the top of advection type pond 4, and the water inlet 12 connects with activated sludge absorption pond pipeline
Connect, the delivery port 13 is connected with floating plant activated sludge aeration pond water inlet conduit, the mud discharging mouth 14 and sludge aerobic
The mud inlet pipeline connection of digester.
The structure of the floating plant sedimentation basin b is identical with floating plant sedimentation basin a, the floating plant sedimentation basin b's
Water inlet is connected with the delivery port pipeline in floating plant activated sludge aeration pond, the mud mouth of the floating plant sedimentation basin b with
The tip duct connection in activated sludge absorption pond.
The ecological purification pond includes water inlet end, gallery water channel b, floating plant b, grating type and salvages machine b and water side, institute
The top that water inlet end is located at gallery water channel b one end is stated, the floating plant b is located at gallery water channel b tops, and the water side is located at
The top of the gallery water channel b other ends, the grating type salvage the other end that machine b is located at gallery water channel b, the ecological purification pond
Water inlet end is connected with floating plant sedimentation basin b delivery port pipeline.
The floating plant sedimentation basin a, which also includes ceiling a, the ceiling a, includes solar panels a 9, canopy body a 10 and lamp a
11, the canopy body a 10 are located at floating plant sedimentation basin a top, and the solar panels a 9 is outside canopy body a 10 top
Side, the lamp a 11 are located at canopy body a 10 inside top.
The floating plant sedimentation basin b also includes ceiling b, and the ceiling b includes solar panels b, canopy body b and lamp b, described
Canopy body b is located at floating plant sedimentation basin b top, and the solar panels b is located at canopy body b top outer, and the lamp b is located at canopy
Body b inside top.
The ecological purification pond, which also includes ceiling c, the ceiling c, includes solar panels c, canopy body c and lamp c, the canopy body c
Located at the top in ecological purification pond, the solar panels c is located at canopy body c top outer, and the lamp c is located at canopy body c top
Inner side.
The floating plant activated sludge aeration pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification
Floating plant is water hyacinth in pond.
Applying step of the described device in Nitrogen-and Phosphorus-containing organic sewage is purified be:
Step 1 is nitrogenous, the gravity flow after pretreatment unit removes thick solid impurity of phosphorus organic wastewater enters activated sludge and inhaled
Attached pond;
After sewage of the step 2 after step 1 processing enters activated sludge absorption pond, open diving mixer 2 and carry out activity
Sludge absorption, sludge is set to be sufficiently mixed with sewage, it is 10000 mg/L to control sludge concentration MLSS values, hydraulic detention time 60
min;
Sewage of the step 3 after activated sludge absorption is handled flows into floating plant sedimentation basin a, utilizes the root system of floating plant
Filter screen is formed, activated sludge outflow is effectively intercepted, controls the h of hydraulic detention time 3, floating plant coverage 80%, settled sludge
Discharged by sludge pump outside pond, wherein 60% flows into sludge aerobic digester progress contaminant degradation, excess sludge is dehydrated
Processing, ceiling light a intensities of illumination are 250 lx, and the light filling time is 18:00~24:00;
Step 4 floating plant sedimentation basins a water outlet enters floating plant activated sludge aeration pond, control sludge concentration MLSS
For 4000 mg/L, DO is 3 mg/L, the h of hydraulic detention time 6;
The pond water outlet of step 5 floating plant activated sludge aerations enters floating plant sedimentation basin b, controls hydraulic detention time 3.5
H, water plant coverage 50%, the activated sludge of sedimentation are all back to activated sludge absorption pond, and ceiling light b intensities of illumination are
200 lx, light filling time are 18:00~24:00;
Step 6 floating plant sedimentation basins b water outlet enters ecological purification pond, and control water plant coverage 80%, waterpower is stopped
Stay the time to be arranged to 2 d, the water outlet in ecological purification pond directly discharge or as Treated sewage reusing water source, ceiling light c intensities of illumination
For 200 lx, the light filling time is 18:00~24:00.Water outlet COD≤45mg/L, NH3- N≤3 mg/L, TN≤8mg/L, TP≤
The mg/L of 0.5mg/L, SS≤10, can be discharged or as Treated sewage reusing water source.
The system of existing processing town sewage passes sequentially through pretreatment for sewage(Coarse rack, setting pot and fine fack), just
Heavy pond, anaerobic pond, anoxic pond, Aerobic Pond and second pond, wherein contain activated sludge in anaerobic pond, anoxic pond, Aerobic Pond.It is good
The gas-water ratio in oxygen pond relatively up to arrive not additional carbon with add chemical dephosphorization agent in the case of, COD≤60mg/L of water outlet,
NH3The mg/L of-N≤8 mg/L, SS≤15, but TN is usually above 15mg/L, even more than 20mg/L, and TP is also generally more than 1mg/
L, it is extremely difficult to《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002)In one-level A standards.
The examples detailed above of patent of the present invention is only intended to clearly illustrate patent example of the present invention, and is not pair
The restriction of the embodiment of patent of the present invention.For those of ordinary skill in the field, on the basis of the above description
Other various forms of changes or variation can also be made.There is no necessity and possibility to exhaust all the enbodiments.It is all
All any modification, equivalent and improvement made within the spirit and principle of patent of the present invention etc., should be included in the present invention
Within the protection domain of Patent right requirement.
Claims (10)
1. a kind of activated sludge merges aquatic plant purification sewage device, described device includes pretreatment unit, floating plant lives
Property sludge aeration pond and sludge aerobic digester, the pretreatment unit includes coarse rack, setting pot and the thin lattice being sequentially connected
Grid, it is characterised in that described device also include activated sludge absorption pond, floating plant sedimentation basin a, floating plant sedimentation basin b and
Ecological purification pond, the activated sludge absorption pond include gallery water channel a(1)And diving mixer(2), the gallery water channel a(1)
Inside is provided with activated sludge, the diving mixer(2)Located at gallery water channel a(1)Bottom, activated sludge absorption pond one end
Connect with pretreatment unit;
The floating plant sedimentation basin a includes advection type pond(4)With floating plant a(5), the advection type pond(4)Including
Water inlet(12), sludge-tank(3), grating type salvage machine a(7), sludge pump(8), delivery port(13)And mud discharging mouth(14), it is described enter
The mouth of a river(12)Located at the top of floating plant sedimentation basin a one end, the sludge-tank(3)Located at floating plant sedimentation basin a bottom,
Close to water inlet(12)One end, the delivery port(13)Located at the top of the floating plant sedimentation basin a other ends, the grating type
Salvaging machine a(7)Located at floating plant sedimentation basin a close to one end of delivery port, the mud discharging mouth(14)Located at sludge-tank(3)Bottom
End, the sludge pump(8)With mud discharging mouth(14)Pipeline connects, the floating plant a(5)Located at advection type pond(4)Top, institute
State floating plant a(5)Including floating plant root system a(6), the floating plant root system a(6)It is distributed in advection type pond(4)On
Portion, the water inlet(12)It is connected with activated sludge absorption pond pipeline, the delivery port(13)Exposed with floating plant activated sludge
The water inlet conduit connection of gas pond, the mud discharging mouth(14)It is connected with the mud inlet pipeline of sludge aerobic digester;
The structure of the floating plant sedimentation basin b is identical with floating plant sedimentation basin a, the water inlet of the floating plant sedimentation basin b
Mouth is connected with the delivery port pipeline in floating plant activated sludge aeration pond, mud mouth and the activity of the floating plant sedimentation basin b
The tip duct connection in sludge absorption pond;
The ecological purification pond includes water inlet end, gallery water channel b, floating plant b, grating type and salvages machine b and water side, it is described enter
Water end (W.E.) is located at the top of gallery water channel b one end, and the floating plant b is located at gallery water channel b tops, and the water side is located at gallery
The top of the water channel b other ends, the grating type salvage the other end that machine b is located at gallery water channel b, the water inlet in the ecological purification pond
End is connected with floating plant sedimentation basin b delivery port pipeline.
2. a kind of activated sludge fusion aquatic plant purification sewage device according to claim 1, it is characterised in that described
Floating plant sedimentation basin a, which also includes ceiling a, the ceiling a, includes solar panels a(9), canopy body a(10)With lamp a(11), it is described
Canopy body a(10)Located at floating plant sedimentation basin a top, the solar panels a(9)Located at canopy body a(10)Top outer, institute
State lamp a(11)Located at canopy body a(10)Inside top;
The floating plant sedimentation basin b, which also includes ceiling b, the ceiling b, includes solar panels b, canopy body b and lamp b, the canopy body
B is located at floating plant sedimentation basin b top, and the solar panels b is located at canopy body b top outer, and the lamp b is located at canopy body b
Inside top;
The ecological purification pond also includes ceiling c, and the ceiling c includes solar panels c, canopy body c and lamp c, and the canopy body c is located at
The top in ecological purification pond, the solar panels c are located at canopy body c top outer, and the lamp c is located at canopy body c inside top.
3. a kind of activated sludge fusion aquatic plant purification sewage device according to claim 1, it is characterised in that described
Floating plant in floating plant activated sludge aeration pond, floating plant sedimentation basin a, floating plant sedimentation basin b and ecological purification pond
Wei great Piao or water hyacinth.
4. the application based on the device described in claim 1,2 or 3 in Nitrogen-and Phosphorus-containing organic sewage is purified.
5. application according to claim 4, it is characterised in that comprise the following steps:
Step 1 is nitrogenous, the gravity flow after pretreatment unit removes thick solid impurity of phosphorus organic wastewater enters activated sludge and inhaled
Attached pond;
After sewage of the step 2 after step 1 processing enters activated sludge absorption pond, diving mixer is opened(2)Lived
Property sludge absorption, it is 6000 ~ 10000 mg/L to control sludge concentration MLSS values, and hydraulic detention time is 30 ~ 60 min;
Sewage of the step 3 after activated sludge absorption is handled flows into floating plant sedimentation basin a, controls hydraulic detention time 2 ~ 3
H, floating plant coverage 70 ~ 80%, settled sludge are discharged outside pond by sludge pump, wherein 50%~60% flows into sludge aerobic
Digester carries out contaminant degradation, and excess sludge carries out dewater treatment, and ceiling light a intensities of illumination are 150 ~ 250lx, the light filling time
For 18:00~24:00;
Step 4 floating plant sedimentation basins a water outlet enters floating plant activated sludge aeration pond, control sludge concentration MLSS
For 2000 ~ 4000 mg/L, DO is 2 ~ 3 mg/L, the h of hydraulic detention time 4 ~ 6;
The pond water outlet of step 5 floating plant activated sludge aerations enters floating plant sedimentation basin b, controls hydraulic detention time 2.5
~ 3.5 h, water plant coverage 40 ~ 50%, the activated sludge of sedimentation are all back to activated sludge absorption pond, ceiling light b light
It is 150 ~ 250 lx according to intensity, the light filling time is 18:00~24:00;
Step 6 floating plant sedimentation basins b water outlet enters ecological purification pond, control water plant coverage 60 ~ 80%, waterpower
Residence time is arranged to 1~2 d, the water outlet in ecological purification pond directly discharge or as Treated sewage reusing water source, ceiling light c illumination
Intensity is 150 ~ 250 lx, and the light filling time is 18:00~24:00.
6. application according to claim 5, it is characterised in that control the sludge concentration MLSS values to be in the step 2
10000 mg/L, hydraulic detention time are 60 min.
7. application according to claim 5, it is characterised in that control control hydraulic detention time 3h in the step 3,
Floating plant coverage 80%, settled sludge are discharged outside pond by sludge pump, wherein 60% flows into the progress dirt of sludge aerobic digester
Thing degraded is contaminated, ceiling light a intensities of illumination are 250 lx.
8. application according to claim 5, it is characterised in that it is 4000 that sludge concentration MLSS is controlled in the step 4
Mg/L, DO are 3 mg/L, the h of hydraulic detention time 6.
9. application according to claim 5, it is characterised in that the h of hydraulic detention time 3.5, water are controlled in the step 5
Plant coverage 50%, ceiling light b intensities of illumination are 250 lx.
10. application according to claim 5, it is characterised in that water plant coverage 80% is controlled in the step 6,
Hydraulic detention time is arranged to 2d, and ceiling light c intensities of illumination are 250 lx.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112239271A (en) * | 2020-10-09 | 2021-01-19 | 怀化云牛农业科技发展有限公司 | Frog breeding sewage treatment method |
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