CN107176756A - It is a kind of to be dissolved method processing villages and small towns wastewater treatment facility method of construction without refluxing multi-stage AO+ ecologies - Google Patents
It is a kind of to be dissolved method processing villages and small towns wastewater treatment facility method of construction without refluxing multi-stage AO+ ecologies Download PDFInfo
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- CN107176756A CN107176756A CN201710430172.6A CN201710430172A CN107176756A CN 107176756 A CN107176756 A CN 107176756A CN 201710430172 A CN201710430172 A CN 201710430172A CN 107176756 A CN107176756 A CN 107176756A
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- 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
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- 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
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- 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
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- Treatment Of Biological Wastes In General (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses one kind without refluxing multi-stage AO+ ecologies dissolve method processing villages and small towns wastewater treatment facility method of construction.It is high compared with municipal sewage concentration for pollutant concentrations such as southern developed regions villages and small towns COD of sewage, total phosphorus, total nitrogen, ammonia nitrogen, nitrate nitrogens, the facility difficulty that traditional urban sewage treatment process (such as A/O, SBR, BAF technique) is built reaches the qualified discharge of discharging standards, especially total phosphorus, total nitrogen.The present invention provide it is a kind of dissolved method processing villages and small towns wastewater treatment facility method of construction without refluxing multi-stage AO+ ecologies, mainly including collecting-tank, anaerobic pond, Aerobic Pond, sedimentation basin, sterilization discharge pond, sludge-tank, underflow type artificial wet land etc..When villages and small towns sewage passes sequentially through these facilities, the pollutant such as COD therein, total phosphorus, total nitrogen, ammonia nitrogen, nitrate nitrogen must be removed.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of to be dissolved method processing village without refluxing multi-stage AO+ ecologies
Town wastewater treatment facility method of construction.
Technical background
With our people's growth in the living standard, dietary structure, production and living-pattern preservation, villages and small towns sewage quality
Have greatly changed, considerably beyond natural self-cleaning and bearing capacity.The facility for day handling hundreds of tons of villages and small towns sewage is built,
Distributing country sewage facility different from building tens tons of day processing, is different from handling day a few kiloton still to few hundred thousand tonnes of again
Municipal sewage facility.For：
(1) handle tens tons of distributing country sewage facility day, use conventional activated sludge process technology mostly at present
Build, have the advantages that running technology maturation, treatment effect are stable.
(2) a few kiloton is handled day still to the municipal sewage facility of few hundred thousand tonnes of, uses bio membrane process skill mostly at present
Art is built, and has the advantages that sludge loading is low, floor space is small, treatment effeciency is high.
The facility for day handling hundreds of tons of villages and small towns sewage is built, the difficulty of its process choice is that power consumption is big, its facility
Building difficulty, to be to increase various structures, floor space wide, its build up installation fishery manage and protect difficult point be capital expenditure it is big,
Operation expense is high, need specialized management, and the problem of sludge treatment is that sludge discharge is big and needs to ensure activated sludge
Continuous backflow.
Therefore, the present invention propose it is a kind of dissolved method processing villages and small towns wastewater treatment facility method of construction without refluxing multi-stage AO+ ecologies, can
Effectively solve above-mentioned problem.
The content of the invention
The main object of the present invention is：
For pollutant concentrations such as southern developed regions COD of sewage, total phosphorus, total nitrogen, ammonia nitrogen, nitrate nitrogens compared with municipal sewage
Concentration is high, and traditional urban sewage treatment process difficulty reaches discharging standards, proposes that one kind is dissolved without refluxing multi-stage AO+ ecologies
Method handles villages and small towns wastewater treatment facility method of construction.
Major technique (flow) scheme of the present invention is：
Based on without refluxing multi-stage AO reactors, including transition double staple shaft, collecting-tank, anaerobic pond, Aerobic Pond, precipitations
Pond, sludge-tank, sterilization discharge pond, and plantation Ligustrum vicaryi, photinia glabra, thaliadeabata, paradise grass etc. on artificial swamp.By village
Town sanitary sewage introduces the double staple shafts of transition and enters collecting-tank, then sequentially enters multistage anaerobic pond, Aerobic Pond, adds synchronous denitrification
PolyP bacteria agent B8, by sterilization discharge pond, tail water is introduced into wetland, natural water is ultimately discharged into.
The present invention cardinal principle be：
Multistage nitrification/denitrifying series connection is realized using intermittent aerating mode, in the form of without backflow, made at activated sludge
In " Aerobic-anaerobic " constantly alternating state, i.e. " full-hungry " state, itself potential is played, is improved under aerobic condition to pollutant
Degradation capability, adds denitrification phosphorus-collecting microbial inoculum B8, under anaerobic turns the volatile fatty acids such as the acetic acid in water body (VFA)
Turn to poly (hydroxyalkanoate) (PHA)；Under aerobic condition substantial amounts of caloric intake water body is produced using electron acceptor oxygen decomposed P HA
Middle inorganic phosphate, is stored in thalline in the form of polyphosphate (Poly-P), so as to improve no refluxing multi-stage AO denitrogenations
The ability of dephosphorization.Again by the sewage after processing by undercurrent type wetland, carry out ecology and dissolve processing, be ultimately discharged into natural water.
Main advantages of the present invention：
(1) blotter used in the present invention is discarded common brick fragment, and source is wide, and cost is low, easily obtains, service life
It is long.
(2) present invention is for handling the facility that tens tons of villages and small towns sewage is built, the activated sludge of generation, without carrying out day
Cleaning, has saved the cost that backflow is produced.
(3) undercurrent type wetland water inlet of the present invention be located at ceramic grain filter in the middle part of, through multistage AO handle after sewage no matter on
Stream or the dirty effect for being attained by denitrogenation dephosphorizing, organics removal.
Brief description of the drawings
Figure:1：Floor plan.
Included in figure：1st, the double staple shafts 2 of transition, collecting-tank 3, inspection shaft composite decking 4, anaerobic pond 5, Aerobic Pond 6, detest
Oxygen pond 7, Aerobic Pond 8, sedimentation basin 9, sterilization discharge pond 10, sludge-tank, 11, that wetland enters water inspection shaft 12, underflow type artificial is wet
Ground 13, water outlet inspection shaft.
Fig. 2：Underflow type artificial wet land profile and single module thin portion profile.
Included in figure：1st, 2, high-quality soil mellow soil 3, efficient water purification film 4, φ 60PVC water distributions piping 5, activity pottery are planted in greening
The anti-diafiltration membrane 8 of ceramic filter material 6, quality gravel bed course 7, HDPE high fluxs, 4mmHDPE antiseepage films 9,20mm thickness 1:2.5 cement mortar
Screed-coat 10, two or four brick walls 11,20mm thickness 1:2.5 cement mortar 12, the double-layer double-direction 250mm thickness C25 concretes 13 of 14@of φ 200,
100mmC15 element concretes.
Embodiment
The present invention provides a kind of function microbial inoculum reinforcing-dissolved combined treatment facility construction side without refluxing multi-stage AO- ecologies
Method, the present invention includes main pond body and underflow type artificial wet land, and main pond body includes collecting-tank, anaerobic pond, Aerobic Pond, precipitation
Pond, sterilization discharge pond, sludge-tank.
First to selected soil excavate, pool part lay from bottom to top 100mm element soil, 200mm thickness blotter,
100mm thickness C15 element concretes, C25 concretes thick the@200mm double-layer double-directions 250mm of Φ 14,20mm thickness 1 is smeared on bottom of pond surface:2.5 cement bonded sand
Slurry.
Collecting-tank, anaerobic pond, Aerobic Pond, sedimentation basin, sterilization discharge pond, sludge tank depth are 2.5m.
The thick plain concretes of 100mmC15, the@200mm double-layer double-directions of Φ 14 are laid in the construction of undercurrent type wetland from bottom from bottom to top
C25 concretes thick 250mm, 20mm thickness 1 is smeared on bottom of pond surface:2.5 cement mortar, wetland wall main body two or four brick walls, wall both sides
Smear 20mm thickness 1:One layer of 4mm barrier film is respectively laid in 2.5 cement mortar, interior wall and bottom.
One layer of HDPE high flux wetland barrier film is laid in undercurrent type wetland bottom successively from bottom to top, thick excellent of 800mm
Matter gravel blanket, 200mm activity ceramic grain filters are equipped with φ 60mm PVC water distribution pipings, water inlet position in active ceramic grain filter
In the middle part of ceramic grain filter, delivery port is located in the middle part of gravel blanket, and floor height effect water purification film is laid on active ceramic grain filter surface, and
400mm high-quality soil mellow soil is laid afterwards, finally in mellow soil surface grafting green vegetation.
When villages and small towns sewage passes sequentially through these facilities, the pollutant such as COD therein, total phosphorus, total nitrogen, ammonia nitrogen, nitrate nitrogen
It must remove.
4 embodiments presented below further illustrate the present invention.Embodiment is used to illustrate present invention, rather than limits
Present invention.
Embodiment 1
(1) without refluxing multi-stage AO+ ecologies dissolve method processing the villages and small towns discharge of sewage be Q=24m3/d.Its collecting-tank 2 length L1
=4.50m, width B1=2.50m, height H=2.50m；Anaerobic pond 4 length L3=1.20m, width B2=2.20m, height H=
2.50m；Aerobic Pond 5 length L4=1.20m, width B2=2.20m, height H=2.50m；Anaerobic pond 6 length L5=1.20m, it is wide
Spend B2=2.20m, height H=2.50m；Aerobic Pond 7 length L6=1.20m, width B2=2.20m, height H=2.50m；Precipitation
Pond 8 length L7=1.20m, width B3=1.10m, height H=2.50m；Sterilization discharge pond 9 length L7=1.20m, width B4=
1.10m, height H=2.50m；Sludge-tank 10 length L8=1.20m, width B2=2.20m, height H=2.50m.
(2) underflow type artificial wet land is mainly by water distribution system, waterproof layer laying, setting cushion, wall are built, plant is arranged
A=Q*1.2, length L9=6.00m, width B5=4.80m, height H6=1.40m are pressed Deng, undercurrent type Wetland Area.
(3) multistage AO pool parts lay 100mm element soil, 200mm thickness blotters, 100mm thickness C15 elements from bottom to top
Concrete, C25 concretes thick the@200mm double-layer double-directions 250mm of Φ 14,20mm thickness 1 is smeared on bottom of pond surface:2.5 cement mortar；Wall main body is used
Smear 20mm thickness 1 in two or four brick walls, wall both sides:2.5 cement mortar, interior wall respectively lays one layer of barrier film.
(4) undercurrent type wetland is built from bottom and excavated, and the thick plain concretes of H5=100mmC15, length L9+ are laid from bottom to top
C25 concretes thick the@200mm double-layer double-directions H4=250mm of 2*L12=6.8m, Φ 14, length L9+2*L11=6.4m, bottom of pond surface
Smear 20mm thickness 1:2.5 cement mortar, wetland bottom of pond lays one layer of HDPE high flux wetland barrier film, H3=successively from bottom to top
Quality gravel bed course thick 800mm, H2=200mm activity ceramic grain filters, floor height effect is laid on active ceramic grain filter surface net
Moisture film, then lays H1=400mm high-quality soil mellow soil, surrounding wall main body two or four brick wall L10=0.24m, wall both sides
Smear 20mm thickness 1:2.5 cement mortar, finally in mellow soil surface grafting green vegetation.
(5) φ 60mm PVC water distribution pipings are equipped with active ceramic grain filter, water inlet is located in the middle part of ceramic grain filter, gone out
The mouth of a river is located in the middle part of gravel blanket.
(6) wetland plant is transplanted, in clay surface serike, such as Ligustrum vicaryi, photinia glabra, thaliadeabata, method green grass or young crops.
Table 1
Embodiment 2
(1) without refluxing multi-stage AO+ ecologies dissolve method processing the villages and small towns discharge of sewage be Q=48m3/d.Its collecting-tank 2 length L1
=6.00m, width B1=3.50m, height H=2.50m；Anaerobic pond 4 length L3=1.80m, width B2=2.80m, height H=
2.50m；Aerobic Pond 5 length L4=1.80m, width B2=2.80m, height H=2.50m；Anaerobic pond 6 length L5=1.80m, it is wide
Spend B2=2.80m, height H=2.50m；Aerobic Pond 7 length L6=1.80m, width B2=2.80m, height H=2.50m；Precipitation
Pond 8 length L7=1.80m, width B3=1.40m, height H=2.50m；Sterilization discharge pond 9 length L7=1.80m, width B4=
1.40m, height H=2.50m；Sludge-tank 10 length L8=1.80m, width B2=2.80m, height H=2.50m.
(2) underflow type artificial wet land is mainly by water distribution system, waterproof layer laying, setting cushion, wall are built, plant is arranged
A=Q*1.2, length L9=8.00m, width B5=7.20m, height H6=1.40m are pressed Deng, undercurrent type Wetland Area.
(3) multistage AO pool parts lay 100mm element soil, 200mm thickness blotters, 100mm thickness C15 elements from bottom to top
Concrete, C25 concretes thick the@200mm double-layer double-directions 250mm of Φ 14,20mm thickness 1 is smeared on bottom of pond surface:2.5 cement mortar；Wall main body is used
Smear 20mm thickness 1 in two or four brick walls, wall both sides:2.5 cement mortar, interior wall respectively lays one layer of barrier film.
(4) undercurrent type wetland is built from bottom and excavated, and the thick plain concretes of H5=100mmC15, length L9+ are laid from bottom to top
C25 concretes thick the@200mm double-layer double-directions H4=250mm of 2*L12=8.8m, Φ 14, length L9+2*L11=8.4m, bottom of pond surface
Smear 20mm thickness 1:2.5 cement mortar, wetland bottom of pond lays one layer of HDPE high flux wetland barrier film, H3=successively from bottom to top
Quality gravel bed course thick 800mm, H2=200mm activity ceramic grain filters, floor height effect is laid on active ceramic grain filter surface net
Moisture film, then lays H1=400mm high-quality soil mellow soil, surrounding wall main body two or four brick wall L10=0.24m, wall both sides
Smear 20mm thickness 1:2.5 cement mortar, finally in mellow soil surface grafting green vegetation.
(5) φ 60mm PVC water distribution pipings are equipped with active ceramic grain filter, water inlet is located in the middle part of ceramic grain filter, gone out
The mouth of a river is located in the middle part of gravel blanket.
(6) wetland plant is transplanted, in clay surface serike, such as Ligustrum vicaryi, photinia glabra, thaliadeabata, method green grass or young crops.
Table 2
Embodiment 3
(1) without refluxing multi-stage AO+ ecologies dissolve method processing the villages and small towns discharge of sewage be Q=96m3/d.Its collecting-tank 2 length L1
=10.00m, width B1=4.00m, height H=2.50m；Anaerobic pond 4 length L3=4.00m, width B2=3.60m, height H
=2.50m；Aerobic Pond 5 length L4=4.00m, width B2=3.60m, height H=2.50m；The length L5=4.00m of anaerobic pond 6,
Width B2=3.60m, height H=2.50m；Aerobic Pond 7 length L6=4.00m, width B2=3.60m, height H=2.50m；It is heavy
Shallow lake pond 8 length L7=4.00m, width B3=1.80m, height H=2.50m；Sterilization discharge pond 9 length L7=4.00m, width B4
=1.8m, height H=2.50m；Sludge-tank 10 length L8=4.00m, width B2=3.60m, height H=2.50m.
(2) underflow type artificial wet land is mainly by water distribution system, waterproof layer laying, setting cushion, wall are built, plant is arranged
A=Q*1.2, length L9=14.00m, width B5=8.23m, height H6=1.40m are pressed Deng, undercurrent type Wetland Area.
(3) multistage AO pool parts lay 100mm element soil, 200mm thickness blotters, 100mm thickness C15 elements from bottom to top
Concrete, C25 concretes thick the@200mm double-layer double-directions 250mm of Φ 14,20mm thickness 1 is smeared on bottom of pond surface:2.5 cement mortar；Wall main body is used
Smear 20mm thickness 1 in two or four brick walls, wall both sides:2.5 cement mortar, interior wall respectively lays one layer of barrier film.
(4) undercurrent type wetland is built from bottom and excavated, and the thick plain concretes of H5=100mmC15, length L9+ are laid from bottom to top
C25 concretes thick the@200mm double-layer double-directions H4=250mm of 2*L12=14.80m, Φ 14, length L9+2*L11=14.40m, bottom of pond
Smear 20mm thickness 1 in surface:2.5 cement mortar, wetland bottom of pond lays one layer of HDPE high flux wetland barrier film successively from bottom to top,
Quality gravel bed course thick H3=800mm, H2=200mm activity ceramic grain filters, a floor height is laid on active ceramic grain filter surface
Water purification film is imitated, H1=400mm high-quality soil mellow soil, surrounding wall main body two or four brick wall L10=0.24m, wall is then laid
Smear 20mm thickness 1 in both sides:2.5 cement mortar, finally in mellow soil surface grafting green vegetation.
(5) φ 60mm PVC water distribution pipings are equipped with active ceramic grain filter, water inlet is located in the middle part of ceramic grain filter, gone out
The mouth of a river is located in the middle part of gravel blanket.
(6) wetland plant is transplanted, in clay surface serike, such as Ligustrum vicaryi, photinia glabra, thaliadeabata, method green grass or young crops.
Table 3
Embodiment 4
(1) without refluxing multi-stage AO+ ecologies dissolve method processing the villages and small towns discharge of sewage be Q=144m3/d.Its length of collecting-tank 2
L1=12.00m, width B1=5.00m, height H=2.50m；Anaerobic pond 4 length L3=6.00m, width B2=4.60m, height
H=2.50m；Aerobic Pond 5 length L4=6.00m, width B2=4.60m, height H=2.50m；The length L5=of anaerobic pond 6
6.00m, width B2=4.60m, height H=2.50m；Aerobic Pond 7 length L6=6.00m, width B2=4.60m, height H=
2.50m；Sedimentation basin 8 length L7=6.00m, width B3=2.30m, height H=2.50m；The sterilization discharge length L7=of pond 9
6.00m, width B4=2.3m, height H=2.50m；Sludge-tank 10 length L8=6.00m, width B2=4.6m, height H=
2.50m。
(2) underflow type artificial wet land is mainly by water distribution system, waterproof layer laying, setting cushion, wall are built, plant is arranged
A=Q*1.2, length L9=16.00m, width B5=10.8m, height H6=1.40m are pressed Deng, undercurrent type Wetland Area.
(3) multistage AO pool parts lay 100mm element soil, 200mm thickness blotters, 100mm thickness C15 elements from bottom to top
Concrete, C25 concretes thick the@200mm double-layer double-directions 250mm of Φ 14,20mm thickness 1 is smeared on bottom of pond surface:2.5 cement mortar；Wall main body is used
Smear 20mm thickness 1 in two or four brick walls, wall both sides:2.5 cement mortar, interior wall respectively lays one layer of barrier film.
(4) undercurrent type wetland is built from bottom and excavated, and the thick plain concretes of H5=100mmC15, length L9+ are laid from bottom to top
C25 concretes thick the@200mm double-layer double-directions H4=250mm of 2*L12=16.80m, Φ 14, length L9+2*L11=16.40m, bottom of pond
Smear 20mm thickness 1 in surface:2.5 cement mortar, wetland bottom of pond lays one layer of HDPE high flux wetland barrier film successively from bottom to top,
Quality gravel bed course thick H3=800mm, H2=200mm activity ceramic grain filters, a floor height is laid on active ceramic grain filter surface
Water purification film is imitated, H1=400mm high-quality soil mellow soil, surrounding wall main body two or four brick wall L10=0.24m, wall is then laid
Smear 20mm thickness 1 in both sides:2.5 cement mortar, finally in mellow soil surface grafting green vegetation.
(5) φ 60mm PVC water distribution pipings are equipped with active ceramic grain filter, water inlet is located in the middle part of ceramic grain filter, gone out
The mouth of a river is located in the middle part of gravel blanket.
(6) wetland plant is transplanted, in clay surface serike, such as Ligustrum vicaryi, photinia glabra, thaliadeabata, method green grass or young crops.
Table 4
Claims (4)
1. a kind of dissolve method processing villages and small towns wastewater treatment facility method of construction without refluxing multi-stage AO+ ecologies, it is characterised in that：Including main
Pond body and underflow type artificial wet land.
2. a kind of according to claims 1 dissolves method processing villages and small towns wastewater treatment facility construction side without refluxing multi-stage AO+ ecologies
Method, it is characterised in that：Main pond body includes collecting-tank, anaerobic pond, Aerobic Pond, sedimentation basin, sterilization discharge pond, sludge-tank, first
Selected soil is excavated, pool part lays 100mm element soil, 200mm thickness blotters, 100mm thickness C15 elements from bottom to top
Concrete, C25 concretes thick the@200mm double-layer double-directions 250mm of Φ 14,20mm thickness 1 is smeared on bottom of pond surface:2.5 cement mortar.
3. a kind of according to claims 1 dissolves method processing villages and small towns wastewater treatment facility construction side without refluxing multi-stage AO+ ecologies
Method, it is characterised in that：The thick plain concretes of 100mmC15 are laid in the construction of undercurrent type wetland from bottom from bottom to top, and the@200mm of Φ 14 are double-deck
C25 concretes thick two-way 250mm, 20mm thickness 1 is smeared on bottom of pond surface:2.5 cement mortar, wetland wall main body two or four brick walls, wall
Smear 20mm thickness 1 in both sides:One layer of 4mm barrier film is respectively laid in 2.5 cement mortar, interior wall and bottom.
4. a kind of according to claims 1 dissolves method processing villages and small towns wastewater treatment facility construction side without refluxing multi-stage AO+ ecologies
Method, it is characterised in that：Lay one layer of HDPE high flux wetland barrier film, 800mm successively from bottom to top in undercurrent type wetland bottom
Thick quality gravel bed course, 200mm activity ceramic grain filters, φ 60mm PVC water distribution pipings are equipped with active ceramic grain filter, are entered
The mouth of a river is located in the middle part of ceramic grain filter, and delivery port is located in the middle part of gravel blanket, floor height effect is laid on active ceramic grain filter surface net
Moisture film, then lays 400mm high-quality soil mellow soil, finally in mellow soil surface grafting green vegetation.
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| CN109368787A (en) * | 2018-11-14 | 2019-02-22 | 常州大学 | A kind of country sewage biological-ecological coupled processing method of high standard emission request |
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Application publication date: 20170919 |