CN108640259A - Urban rainwater drainage mouth ecological purification area and its application method - Google Patents
Urban rainwater drainage mouth ecological purification area and its application method Download PDFInfo
- Publication number
- CN108640259A CN108640259A CN201810598458.XA CN201810598458A CN108640259A CN 108640259 A CN108640259 A CN 108640259A CN 201810598458 A CN201810598458 A CN 201810598458A CN 108640259 A CN108640259 A CN 108640259A
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- Prior art keywords
- area
- ecological purification
- river
- gate
- purification area
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- 238000000746 purification Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- 230000003197 catalytic effect Effects 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 6
- 238000003911 water pollution Methods 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 5
- 239000003344 environmental pollutant Substances 0.000 claims description 5
- 231100000719 pollutant Toxicity 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000003403 water pollutant Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 206010013781 dry mouth Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 241000894006 Bacteria Species 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
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/001—Methods, systems, or installations for draining-off sewage or storm water into a body of water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/18—Tanks for disinfecting, neutralising, or cooling sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- 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
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
A kind of urban rainwater drainage mouth ecological purification area of present invention offer and its application method, including gate, grid, catalytic oxidation area, submerged plant area；Several ecological purification areas are set on the inside of river sideline, the discharge outlet of municipal drainage pipeline is respectively communicated with ecological purification area and river, a gate is equipped between the municipal drainage pipeline discharge outlet and the river barricade of the river side, a grid is equipped between the ecological purification area and the municipal drainage pipeline discharge outlet, it is followed successively by catalytic oxidation area and the submerged plant area in the ecological purification area to the right by the grid, the catalytic oxidation area is internally provided with elastic filler, the present invention can effectively remove city respectively disperse discharge outlet rainwash initial rainwater and city in due to mistake access storm sewer dirty water pollutant, reduce its pollution to river water body, river is not influenced normally to drain off floodwaters, utilize catalytic oxidation area, the plant of deep water floral region can beautify river, reliable operation.
Description
Technical field
The present invention relates to technical field of drainage more particularly to a kind of urban rainwater drainage mouth ecological purification area and its users
Method.
Background technology
The prior art
Urban rainwater accesses river or receiving water body by municipal pipeline at present, due to initial rainwater pollutant content compared with
Height, so initial rainwater is often one more important pollution sources of urban water-body.Simultaneously due to artificial in municipal pipe network construction
Error or other factors cause part of contaminated water pipeline access storm sewer the phenomenon that generally existing, this part of contaminated water often without appoint
Where reason is discharged into water body through storm sewer, and larger pollution is caused to water body.
Basic use builds storage pond at urban rainwater general export at present, collects initial rainwater and dry season misconnection, misses
Sewage.This method takes up a large area, invests larger, the implementation more difficulty in completed region of the city.Those skilled in the art
It is dedicated to solving above-mentioned technological deficiency.
Invention content
In view of the drawbacks described above of the prior art, technical purpose of the invention is to solve initial rainwater pollutant or sewage
Pipeline is discharged into river through municipal drainage pipeline, the problem of causing river water body to pollute.
To realize the above-mentioned technical purpose, the present invention provides a kind of urban rainwater drainage mouth ecological purification area, including gate,
Grid, catalytic oxidation area, submerged plant area；Several ecological purification areas are set on the inside of river sideline, municipal drainage pipeline
Discharge outlet is respectively communicated with ecological purification area and river, the river barricade of the municipal drainage pipeline discharge outlet and the river side
Between be equipped with a gate, between the ecological purification area and the municipal drainage pipeline discharge outlet be equipped with a grid, by the lattice
Grid are downstream followed successively by catalytic oxidation area and the submerged plant area in the ecological purification area, and the catalytic oxidation area is internally provided with
Elastic filler, bottom are provided with an aeration tube, one layer of floatingleaved plant of top layout, and submerged plant area bottom kind is implanted with heavy water
Plant.
Preferably, electric gate valve specifically can be used in the gate.
Preferably, the stainless steel material that the grid uses upper end to be evenly equipped with filter mesh is made.
Preferably, ecological purification area plane is rectangle, and length and width concrete numerical value is according to row's mouth dry season sewage, initial rainwater
Amount setting.
Preferably, the volume ratio in the catalytic oxidation area in ecological purification area and submerged plant area is 4:1.
Calculation formula：
V=Q/t
V=L × B × h
Wherein,
Q-dry season sewage quantity (being counted according to on-site inspection)；
V-ecological purification area volume；
L-ecological purification section length；
B-ecological purification sector width；
H-ecological purification area depth (is not more than 1.5m)；
T-ecological purification area hydraulic detention time (is not less than 8 minutes).
The present invention also provides a kind of application methods in urban rainwater drainage mouth ecological purification area, are divided into according to rain fall
Three kinds of operating modes below:
1) when fine day, sewage is discharged into ecological purification area by the municipal drainage pipeline of the closing gate, misconnection sewage
It is discharged into the river after processing, without being directly discharged into the river or receiving water body, reduces to water pollution；
2) rainfall initial stage or the when of spitting, the closing gate, the higher initial rainwater of pollutant concentration enter ecological net
It is discharged into the river after changing area's processing, without being directly discharged into the river or receiving water body, is reduced to water pollution；
3) the rainfall later stage opens the gate in due course according to amount of rainfall situation in storm sewer, and flood is allowed to be directly entered institute
River is stated, impact of the flood to ecological purification area is reduced.
Beneficial effects of the present invention：
The topology layout of the present invention is simple, can effectively remove initial rainwater and city that city respectively disperses discharge outlet rainwash
Due to the dirty water pollutant of mistake access storm sewer in city, its pollution to river water body is reduced, while not influencing river
It normally drains off floodwaters, the plant using catalytic oxidation area, deep water floral region can beautify river, reliable operation.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is the ecological purification area floor plan of the present invention.
Fig. 2 is the I-I sectional views in Fig. 1 of the present invention.
Fig. 3 is the II-II sectional views in Fig. 1 of the present invention.
Fig. 4 ecological purification area general arrangements of the present invention.
In figure, the rivers 1- barricade, 2- gates, 3- municipal drainage pipelines, 4- grids, 5- catalytic oxidations area, the rivers 6-, 7- are heavy
Water floral region, 8- elastic fillers, 9- aeration tubes, 10- floatingleaved plants.
Specific implementation mode
Embodiment：
As shown in Figures 1 to 4, the present invention provides a kind of technical solution, a kind of urban rainwater drainage mouth ecological purification area, packet
Include gate 2, grid 4, catalytic oxidation area 5, submerged plant area 7.
Several ecological purification areas are set on the inside of river sideline, and the discharge outlet of municipal drainage pipeline 3 is respectively communicated with ecology
Purifying area and river 6, a gate 2 is equipped between the river barricade 1 of 6 side of 3 discharge outlet of municipal drainage pipeline and river, and ecology is net
Change and is equipped with a grid 4 between area and 3 discharge outlet of municipal drainage pipeline.
Downstream by grid 4, catalytic oxidation area 5 and the submerged plant area 7 in ecological purification area are followed successively by.
Catalytic oxidation area 5 is internally provided with elastic filler 8, and bottom is provided with an aeration tube 9, and the floating leaf of one layer of top layout is planted
Object 10.
7 bottom kind of submerged plant area is implanted with submerged plant.
Electric gate valve specifically can be used in gate 2, and the stainless steel material that grid 4 is evenly equipped with filter mesh using upper end is made.
Ecological purification area is set on the inside of river sideline, is not influenced river and is normally drained off floodwaters, while avoiding river flood to ecological purification area
Impact.
Ecological purification area depth should be not more than 1.5m, meet submerged plant growth requirement.Ecological purification area plane is rectangular
Shape, length and width concrete numerical value are set according to row's mouth dry season sewage, initial rainwater amount.
The volume ratio in catalytic oxidation area 5 and submerged plant area 7 in ecological purification area is 4:1.
Calculation formula：
V=Q/t
V=L × B × h
Wherein, Q-dry season sewage quantity (being counted according to on-site inspection)
V-ecological purification area volume
L-ecological purification section length
B-ecological purification sector width
H-ecological purification area depth (is not more than 1.5m)
T-ecological purification area hydraulic detention time (is not less than 8 minutes)
Grid 4 prevents big impurity from entering catalytic oxidation area 5.
Elastic filler 8 is set in catalytic oxidation area 5, and aeration tube 9 is arranged in bottom, and top layout floating plant 10 swims to plant
Object 10 can both block the elastic filler 8 in catalytic oxidation area 5, beautify the environment, while the growth of floating plant 10 is absorbed in water and supported
Divide, purifying water body, CODCr and ammonia nitrogen are can remove in bio-contact oxidation area 5.
Kind of planting submerged plant in submerged plant area 7.Daytime, submerged plant discharge oxygen, submerged plant by photosynthesis
The nitrifier of upper attachment carries out nitration reaction, removes the ammonia nitrogen in water body；Night, submerged plant carry out respiration, consume water
Oxygen in body, the denitrifying bacterium adhered on submerged plant carry out denitrification, nitrate nitrogen are converted to nitrogen and is discharged into air
In, remove total nitrogen in water removal.
The application method in the urban rainwater drainage mouth ecological purification area of the present invention, is divided into following three kinds of works according to rain fall
Condition:
1) when fine day, gate 2 is closed, after sewage is discharged into the processing of ecological purification area by the municipal drainage pipeline 3 of misconnection sewage
It is discharged into river 6, without being directly discharged into river 6 or receiving water body, is reduced to water pollution；
2) rainfall initial stage or the when of spitting, gate 2 are closed, and the higher initial rainwater of pollutant concentration enters ecological purification area
It is discharged into river 6 after processing, without being directly discharged into river 6 or receiving water body, reduces to water pollution；
3) the rainfall later stage opens gate 2, flood is allowed to be directly entered river in due course according to amount of rainfall situation in storm sewer
6, reduce impact of the flood to ecological purification area.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (4)
1. a kind of urban rainwater drainage mouth ecological purification area, it is characterised in that：The urban rainwater drainage mouth ecological purification area includes
Gate (2), grid (4), catalytic oxidation area (5), submerged plant area (7)；Several ecological purification areas are set in river sideline
The discharge outlet of side, municipal drainage pipeline (3) is respectively communicated with ecological purification area and river (6), municipal drainage pipeline (3) draining
A gate (2) is equipped between mouth and the river barricade (1) of the river (6) side, the ecological purification area is arranged with the municipal administration
It is equipped with a grid (4) between waterpipe (3) discharge outlet, is followed successively by the contact in the ecological purification area to the right by the grid (4)
Zoneofoxidation (5) and submerged plant area (7), the catalytic oxidation area (5) are internally provided with elastic filler (8), and bottom is provided with one
Aeration tube (9), one layer of floatingleaved plant (10) of top layout, submerged plant area (7) bottom kind are implanted with submerged plant.
2. a kind of urban rainwater drainage mouth ecological purification area according to claim 1, which is characterized in that the gate (2)
Electric gate valve specifically can be used.
3. a kind of urban rainwater drainage mouth ecological purification area according to claim 1, which is characterized in that the grid (4)
The stainless steel material that filter mesh is evenly equipped with using upper end is made.
4. a kind of application method in any urban rainwater drainage mouth ecological purification areas claim 1-3, the urban rainwater
Discharge outlet ecological purification area is divided into following three kinds of operating modes according to rain fall:
1) when fine day, the gate (2) is closed, and sewage is discharged into ecological purification by the municipal drainage pipeline (3) of misconnection sewage
It is discharged into the river (6) after area's processing, without being directly discharged into the river (6) or receiving water body, is reduced to water pollution；
2) rainfall initial stage or the when of spitting, the gate (2) are closed, and the higher initial rainwater of pollutant concentration enters ecological purification
It is discharged into the river (6) after area's processing, without being directly discharged into the river (6) or receiving water body, is reduced to water pollution；
3) the rainfall later stage opens the gate (2), flood is allowed to be directly entered institute in due course according to amount of rainfall situation in storm sewer
River (6) is stated, impact of the flood to ecological purification area is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810598458.XA CN108640259A (en) | 2018-06-12 | 2018-06-12 | Urban rainwater drainage mouth ecological purification area and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810598458.XA CN108640259A (en) | 2018-06-12 | 2018-06-12 | Urban rainwater drainage mouth ecological purification area and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108640259A true CN108640259A (en) | 2018-10-12 |
Family
ID=63752425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810598458.XA Pending CN108640259A (en) | 2018-06-12 | 2018-06-12 | Urban rainwater drainage mouth ecological purification area and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108640259A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368935A (en) * | 2018-11-29 | 2019-02-22 | 浙江嘉科新能源科技有限公司 | A kind of pretreatment unit for Drain contamination for river channel mouth |
| CN111499116A (en) * | 2020-05-12 | 2020-08-07 | 中国市政工程西北设计研究院有限公司 | Sewage treatment side system and using method thereof |
| CN112279362A (en) * | 2020-09-15 | 2021-01-29 | 浙江大学 | Coupling carbon-based membrane biological reaction device and method for river sewage draining outlet drainage |
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2018
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Non-Patent Citations (1)
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| 韩芸;陈霆;金苗;彭党聪;: "城市河道人工水面的水质污染及防治对策", 西安建筑科技大学学报(自然科学版), no. 06, 30 December 2006 (2006-12-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368935A (en) * | 2018-11-29 | 2019-02-22 | 浙江嘉科新能源科技有限公司 | A kind of pretreatment unit for Drain contamination for river channel mouth |
| CN111499116A (en) * | 2020-05-12 | 2020-08-07 | 中国市政工程西北设计研究院有限公司 | Sewage treatment side system and using method thereof |
| CN112279362A (en) * | 2020-09-15 | 2021-01-29 | 浙江大学 | Coupling carbon-based membrane biological reaction device and method for river sewage draining outlet drainage |
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Address after: 230041 16, 17 and 18 floors of Nanguo office building, Yingshang Road West and Yijing Road South, Hefei City, Anhui Province Applicant after: Hefei municipal engineering design and Research Institute Co. Ltd. Address before: 230041 16, 17 and 18 floors of Nanguo office building, Yingshui Road West and Yijing Road South, Hefei City, Anhui Province Applicant before: Hefei municipal engineering design and Research Institute Co. Ltd. |