CN110119900A - Black and odorous water body elimination method based on ecological bearing capacity of urban drainage basin water - Google Patents
Black and odorous water body elimination method based on ecological bearing capacity of urban drainage basin water Download PDFInfo
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Abstract
A black and odorous water body eliminating method based on the ecological bearing capacity of urban drainage basin water comprises the following steps; s1, knowing the current situation of the water quality foundation of the drainage basin; s2, determining a main pollutant control standard value of the drainage basin; s3, establishing a water quality and hydrodynamic model; s4, verifying the water quality and the hydrodynamic model; s5, obtaining the total control amount of the main pollutants; s6, obtaining the planned reduction total amount of pollutants of each sewage outlet; s7, taking measures to reduce the total amount of pollutants in the drainage basin; and S8, detecting the water quality of the sewage draining exit and the drainage basin after the elimination. The invention integrates flood control, waterlogging drainage, sewage interception, pollution control and ecological restoration based on the ecological bearing capacity of the drainage basin, can stably operate for a long time, and has low operation cost and good treatment effect.
Description
Technical field
It is specially a kind of based on the black of Urban watershed Ecology bearing capacity the present invention relates to Urban watershed black-odor control field
Smelly water body removing method.
Background technique
As social development and living standards of the people are continuously improved, the people is to clean water, pure and fresh air, safety
Food, graceful environment etc. requirement it is higher and higher, status of the ecological environment in people life Happiness Index constantly highlights,
Environmental problem has become important livelihood issues.Environmental improvement is a system engineering, it is necessary to tight as great people's livelihood practical work
It keeps a firm hand on hand.
The improvement of Urban watershed black and odorous water has systematicness, complexity and duration, including controls flood and drains flooded fields, cuts a dirt and control
The multinomial sub- engineering such as reason, restoration of the ecosystem.Currently, the recovery technique of polluted-water is mainly the environment based on a certain sub- engineering
Administer, can not output whole basin regulation effect steady in a long-term, the unfavorable fortune for being difficult to ensure each single technology of each professional coordination
Row effect also cannot achieve the steady in a long-term of system, and the comprehensive technology system of China river Hei Chou body water environment treatment is not yet
It is formed, the integration capability of every technology is weaker, and resolution lacks scientific, systematicness.
Therefore, China's basin water environment administers the deadlock for falling into " administer, pollute repeatedly repeatedly ".
Summary of the invention
The object of the present invention is to provide a kind of black and odorous water removing methods based on Urban watershed Ecology bearing capacity, to solve
The certainly unstable technical problem of prior art black and odorous water removing method；And solve prior art operating cost height, regulation effect
The problem of difference.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity, it is characterised in that: including following step
Suddenly；
S1, understand quality in watershed basis status: survey for the purpose of locating hydrogeological resources, Pollutant source investigation, meteorological data within the scope of watershed
Investigation, water quality and quantity measurement, socioeconomic status investigation and demographic census, to find out quality in watershed basis status；
S2, determine that basin major pollutants control standard value: under the premise of determining basin major pollutants, using statistics
Method is calculated basin major pollutants control standard value or is controlled mark using bad five classes black and odorous water index value as major pollutants
Quasi- value；
S3, establish water quality, hydrodynamic model: the basin major pollutants obtained using step S2 control standard value as improvement
Target establishes water quality, hydrodynamic model based on MIKE21, SWMM or SWAT model algorithm, and basin is controlled in establishing model process
Dividing elements processed take the quadrangle or triangle calculated convenient for simulation；
S4, verifying water quality, hydrodynamic model: by being sampled acquisition actual parameter to actual monitoring point, verifying water quality,
Hydrodynamic model, if water quality, hydrodynamic model parameter and actual monitoring point parameter error are greater than 10%, by repeating step S3
Parameter adjustment is carried out to model, until established water quality, hydrodynamic model parameter and actual monitoring point parameter error are not more than
10%；
S5, major pollutants control total quantity is obtained: according to the water quality after step S4 verifying, hydrodynamic model, in conjunction with linear
Major pollutants control total quantity is calculated in law of planning；
S6, show that each sewage draining exit pollutant drafts abatement total amount: by major pollutants control total quantity weight assignment to each row
Each sewage draining exit actual monitoring amount of pollutant is reduced the pollutant catabolic gene total amount after distribution, obtains each sewage draining exit pollutant by dirty mouth
Draft abatement total amount；
S7, the watershed that takes measures carry out total amount of pollutant abatement: using control source cut it is dirty, endogenous administer, restoration of the ecosystem and
The measure that running water is guaranteed the quality carries out total amount of pollutant abatement to sewage draining exit and basin；
S8, to after abatement sewage draining exit and quality in watershed detect: sewage draining exit and quality in watershed are detected, detect
Whether actual measurement water quality major pollutants parameter, which reaches major pollutants in step S2, controls standard value, not up to then repeats step S7
Until reaching major pollutants in step S2 controls standard value, that is, show successfully to eliminate black and odorous water.
It is further preferred that calculating basin major pollutants using statistical method in the step S2 controls standard value master
To use following calculation:
S21: water quality of river control point historical data is collected, and data are grouped statistics；
S22: the data group number that step S21 is obtained is determined, it is assumed that n sample size determination is divided into k group number, calculates
Formula are as follows:
K=1.87 (n-1)2/5
S23: very poor R is calculatedn, its calculation formula is:
Rn=max (x1, x2..., xn)-min(x1, x2..., xn)
S24: group is determined away from d, its calculation formula is d ≈ RnThe value of/k, d are the minimum measurement unit of integral multiple.
S25: each group endpoint value is determined, its calculation formula is ak=ao+ dk (k=0,1 ... n), wherein ao< min
{ x }, an< max { x }, aoValue is the minimum Value Data less than half of measurement unit；
S26: each class frequency n is countedi, the number that initial data is fallen within the scope of each group is exactly each class frequency, is denoted as
ni；
S27: frequency fi, formula f are calculatedi=ni/n；
S27: cumulative frequency F is calculatedi, formula isObtain good water quality frequency point
Numerical value corresponding to 75% quartile of Butut and 25% quartile of poor water quality frequency distribution, the average value of the two is as basin
Major pollutants control standard value.
Further, MIKE21, SWMM or SWAT model algorithm are used in the step S3, establish sewage draining exit and river water
Dynamic response relationship between quality supervision measuring point, set later meet major pollutants control standard maximum permissible release Z as
Objective function, constraint equation are that each Water-quality control point is all satisfied major pollutants control standard, expression formula are as follows:
Objective function
Constraint equation
In formula: Z indicates that the total amount of pollutants discharge in entire basin, i are Water-quality control point serial number；J is sewage draining exit serial number；AjIt is each
Sewage draining exit flow；CjFor each sewage draining exit concentration；XijFor response coefficient matrix；CoiFor main pollutant catabolic gene standard；CujFor row
Dirty mouth upper limit of concentration value (being also main pollutant catabolic gene value)；λ is the λ that sewage draining exit concentration must not be lower than water pollution density
Times, which determines according to the ratio value of the total inbound traffics of sewage draining exit flow Zhan.
Further, it includes source interception project, pollution of area source control and river channel sewage intercepting that source is controlled in the step S7 and is cut dirty
Engineering.
Further, the source interception project is on the basis of arranging mouth generaI investigation, according to the distribution of status pipe duct, to presence
The row of dry flow sewage mouthful carries out emphasis and traces to the source formula pipe network investigation, and surface water channel swims investigation directly up, finds out pollution sources, drainpipe
Hidden pollution sources are found out by sled well lid and by RTK, pipe and cable detector and geological radar in road.
Further, the pollution of area source control is on the basis of pollutant discharging unit's general census, emphasis is to industrial development
Area, villages within the city, rural area directly or indirectly to river sewage effluent and seriously polluted initial rainwater unit or place into
Row investigation.
Further, the river channel sewage intercepting engineering includes:
The dry season sewage retained when fine day is directly entered sewage network or sewage treatment plant's processing；
The dry season sewage and initial rainwater retained when rainfall is sent into sewage network or enters sewage treatment plant and handles, and works as dirt
Water treatment plant has little time processing or sewage network has little time to enter storage pond storage when discharge, and first rain, which is collected, to be completed, later period rainwater
It is directly discharged to natural water；
There is sewage treatment plant after rainfall stops returns to sewage by pumping plant for the water in storage pond when processing capacity more than needed
Treatment plant's processing；
In the biggish place setting overflow well of combined sewer pipe duct flow, and the combined pipeline of small diameter tube and sewage conduct
It is directly accessed and cuts dirty main pipe, the sewage to shut off is delivered to sewage treatment plant by sewage main pipe.
Further, the major measure of endogenous improvement is channel cleanout in the step S7.
In addition, in the step S7 restoration of the ecosystem be on the basis of cutting dirty, running water supply measure, by artificial oxygenation,
Microecosystem building and aquatic ecosystem reparation improve water circulation, enhancing water body self-purification ability and restore inland river Aquatic Ecosystem 2
System.
It is further preferred that the step S8 running water guarantees the quality and includes:
Natural ecology moisturizing is taken, in river upstream, creates water storage project, to improve river base flow, ensures ecological water；
Artificial ecology moisturizing:
By manual type, good water sources nearby are extracted, inland river water body are replaced, so as to improve water environment.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
The main dirt that the practical Ecology of history in the present invention according to Urban watershed black-odor riverway is calculated with statistical method
Object Con trolling index is contaminated, no longer simply effectively avoids leading according to the bad five classes water body evaluation standard formulation water quality objective of national surface water
It wants pollutant catabolic gene standard value excessively wide in range and live the case where not being inconsistent actually, while the bad five classes water of national surface water also can be used
Body evaluation criterion is as foundation.
The present invention calculates basin major pollutants control mark using statistical method according to existing quality in watershed state first
Quasi- value controls standard value using bad five classes black and odorous water index value as major pollutants, controls standard with above-mentioned major pollutants
Value is as management goal, according to major pollutants control total quantity weight assignment to each sewage draining exit, by each sewage draining exit actual monitoring
Amount of pollutant reduces the pollutant catabolic gene total amount after distribution, show that each sewage draining exit pollutant drafts abatement total amount, later according to each
Sewage draining exit pollutant draft abatement total amount take relative to concrete measure, watershed black and odorous water is administered, so that water body
Regulation effect it is prominent, achievement is good, and the subject matter range handled is wider, adapts to more different water body, is that one kind is based on
Integrating for river basin ecological bearing capacity controls flood and drains flooded fields, cuts dirty pollution treatment and restoration of the ecosystem, can run steadily in the long term, operating cost
The ecology synthesis repairing and treating method low, regulation effect is good.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the black and odorous water removing method based on Urban watershed Ecology bearing capacity of the present invention.
Specific embodiment
For realize the present invention technological means, character of innovation, reach purpose and effect is easy to understand, below to
Invention further illustrates.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein
The technical solution of substitutions and modifications.
A kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity, it is characterised in that: including following step
Suddenly；
S1, understand quality in watershed basis status: survey for the purpose of locating hydrogeological resources, Pollutant source investigation, meteorological data within the scope of watershed
Investigation, water quality and quantity measurement, socioeconomic status investigation and demographic census, to find out quality in watershed basis status；
S2, determine that basin major pollutants control standard value: under the premise of determining basin major pollutants, using statistics
Method is calculated basin major pollutants control standard value or is controlled mark using bad five classes black and odorous water index value as major pollutants
Quasi- value；
Basin major pollutants control standard value is calculated using statistical method and mainly uses following calculation:
S21: water quality of river control point historical data is collected, and data are grouped statistics；
S22: the data group number that step S21 is obtained is determined, it is assumed that n sample size determination is divided into k group number, and k must take
Value range is 0~n, and k maximum value can use n, its calculation formula is:
K=1.87 (n-1)2/5
S23: very poor R is calculatedn, its calculation formula is:
Rn=max (x1, x2..., xn)-min(x1, x2..., xn)
S24: group is determined away from d, its calculation formula is d ≈ RnThe value of/k, d are the minimum measurement unit of integral multiple.
S25: each group endpoint value is determined, its calculation formula is ak=ao+dk(k=0,1 ... n), wherein ao< min
{ x }, an< min { x }, aoValue is the minimum Value Data less than half of measurement unit, aoFor originating endpoint numerical value, an< max
{ x } means that maximum originating endpoint numerical value is necessarily less than initial data；
S26: each class frequency n is countedi, the number that initial data is fallen within the scope of each group is exactly each class frequency, is denoted as
ni；
S27: frequency f is calculatedi, formula fi=ni/n；
S27: cumulative frequency F is calculatedi, formula isObtain good water quality frequency point
Numerical value corresponding to 75% quartile of Butut and 25% quartile of poor water quality frequency distribution, the average value of the two is as basin
Major pollutants control standard value.
S3, establish water quality, hydrodynamic model: the basin major pollutants obtained using step S2 control standard value as improvement
Target establishes water quality, hydrodynamic model based on MIKE21, SWMM or SWAT model algorithm, and basin is controlled in establishing model process
Dividing elements processed take the quadrangle or triangle calculated convenient for simulation；
MIKE21, SWMM or SWAT model algorithm are used in step S3, are established between sewage draining exit and water quality of river monitoring point
Dynamic response relationship, set later meet major pollutants control standard maximum permissible release Z as objective function, constrain
Equation is that each Water-quality control point is all satisfied major pollutants control standard, expression formula are as follows:
Objective function
Constraint equation
In formula: Z indicates that the total amount of pollutants discharge in entire basin, i are Water-quality control point serial number；J is sewage draining exit serial number；AjIt is each
Sewage draining exit flow；CjFor each sewage draining exit concentration；XijFor response coefficient matrix；CoiFor main pollutant catabolic gene standard；CujFor row
Dirty mouth upper limit of concentration value (being also main pollutant catabolic gene value)；λ is the λ that sewage draining exit concentration must not be lower than water pollution density
Times, which determines according to the ratio value of the total inbound traffics of sewage draining exit flow Zhan.
S4, verifying water quality, hydrodynamic model: by being sampled acquisition actual parameter to actual monitoring point, verifying water quality,
Hydrodynamic model, if water quality, hydrodynamic model parameter and actual monitoring point parameter error are greater than 10%, by repeating step S3
Parameter adjustment is carried out to model, until established water quality, hydrodynamic model parameter and actual monitoring point parameter error are not more than
10%；
S5, major pollutants control total quantity is obtained: according to the water quality after step S4 verifying, hydrodynamic model, in conjunction with linear
Major pollutants control total quantity is calculated in law of planning；
S6, show that each sewage draining exit pollutant drafts abatement total amount: by major pollutants control total quantity weight assignment to each row
Each sewage draining exit actual monitoring amount of pollutant is reduced the pollutant catabolic gene total amount after distribution, obtains each sewage draining exit pollutant by dirty mouth
Draft abatement total amount；
S7, the watershed that takes measures carry out total amount of pollutant abatement: using control source cut it is dirty, endogenous administer, restoration of the ecosystem and
The measure that running water is guaranteed the quality carries out total amount of pollutant abatement to sewage draining exit and basin；
Dirty, endogenous improvements is cut using control source, restoration of the ecosystem, running water are guaranteed the quality etc., and the project slash progress total amount of pollutant disappears
Subtract.
(1), dirt is cut in control source；
Source interception project: point-source pollution control, it is right according to the distribution of status pipe duct mainly on the basis of arranging mouth generaI investigation
It carries out emphasis there are the row of dry flow sewage mouthful " to trace to the source " formula pipe network investigation, surface water channel swims investigation directly up, finds out pollution sources；
Drainage pipeline finds out hidden pollution sources by sled well lid and by the professional prospecting technique such as RTK, pipe and cable detector, geological radar.
Pollution of area source control, mainly on the basis of pollutant discharging unit's general census, emphasis is to Industry Development Area, villages within the city, rural area
Directly or indirectly investigated to the unit or place of river sewage effluent and seriously polluted initial rainwater.Pollution sources of the present invention
The emphasis for controlling work is that sewage is in line, and pipe network hybrid junction is missed, and rubbish is piled up arbitrarily, and food and drink, carwash repair industry, the market of farm produce
Blowdown situation, the row of stealing omits the investigation of phenomenon in printing in development zone.Implement misconnection improvement project in source at pollution sources, sewage is cut
Municipal drainage official website.
River channel sewage intercepting engineering: the dry season sewage retained when fine day is directly entered sewage network or sewage treatment plant's processing；
The dry season sewage and initial rainwater retained when rainfall is sent into sewage network or enters sewage treatment plant and handles, and works as sewage treatment plant
Having little time processing or sewage network has little time to enter storage pond storage when discharge, first rain, which is collected, completes (storage pond water storage has been expired),
Later period rainwater is directly discharged to natural water；By the water in storage pond when there is a processing capacity more than needed in sewage treatment plant after rainfall stops
It is handled by pumping plant back to sewage treatment plant.In the biggish place setting overflow well of combined sewer pipe duct flow, and tubule
The combined pipeline and sewage conduct of diameter, which are directly accessed, cuts dirty main pipe, and the sewage to shut off is delivered to sewage treatment by sewage main pipe
Factory.
(2), endogenous improvement
Seriously polluted river causes a large amount of external source pollution to enter river due to being influenced by periphery blowdown, and then pollutant is heavy
Product forms black smelly bed mud in bottom of river channel.This part bed mud is mainly based on organic pollutant.It consolidates in invention, endogenous improvement
Concrete measure is channel cleanout；
(3), restoration of the ecosystem
Water Ecological Recovery engineering is on the basis of cutting the measures such as dirty, running water supply, by artificial oxygenation, micro- in the present invention
The engineerings such as ecosystem building, aquatic ecosystem reparation improve water circulation, enhancing water body self-purification ability, restore inland river Ecology
System solves the problems, such as black and odorous water；
(4), running water is guaranteed the quality
Running water guarantees the quality and mainly takes natural ecology moisturizing in the present invention: in river upstream, water storage project is created, to improve river
Road base flow ensures ecological water.Or river rate of water make-up is improved by other measures；Artificial ecology moisturizing: by manual type,
Good water sources nearby are extracted, inland river water body are replaced, so as to improve water environment；
S8, to after abatement sewage draining exit and quality in watershed detect: sewage draining exit and quality in watershed are detected, detect
Whether actual measurement water quality major pollutants parameter, which reaches major pollutants in step S2, controls standard value, not up to then repeats step S7
Until reaching major pollutants in step S2 controls standard value, that is, show successfully to eliminate black and odorous water；Step S8 running water is guaranteed the quality packet
It includes:
Natural ecology moisturizing is taken, in river upstream, creates water storage project, to improve river base flow, ensures ecological water；
Artificial ecology moisturizing:
By manual type, extract good water sources nearby, replace inland river water body, so as to improve water environment the foregoing is merely
Presently preferred embodiments of the present invention is not intended to limit the invention, all within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity, it is characterised in that: include the following steps；
S1, understand quality in watershed basis status: survey for the purpose of locating hydrogeological resources within the scope of watershed, Pollutant source investigation, meteorological data investigation,
Water quality and quantity measurement, socioeconomic status investigation and demographic census, to find out quality in watershed basis status；
S2, determine that basin major pollutants control standard value: under the premise of determining basin major pollutants, using statistical method
It calculates basin major pollutants control standard value or controls standard value using bad five classes black and odorous water index value as major pollutants；
S3, establish water quality, hydrodynamic model: the basin major pollutants obtained using step S2 control standard value as improvement mesh
Mark, establishes water quality, hydrodynamic model based on MIKE21, SWMM or SWAT model algorithm, the watershed control in establishing model process
Dividing elements take the quadrangle or triangle calculated convenient for simulation；
S4, verifying water quality, hydrodynamic model: by being sampled acquisition actual parameter to actual monitoring point, water quality, hydrodynamic(al) are verified
Power model, if water quality, hydrodynamic model parameter and actual monitoring point parameter error are greater than 10%, by repeating step S3 to mould
Type carries out parameter adjustment, until established water quality, hydrodynamic model parameter and actual monitoring point parameter error are not more than 10%；
S5, major pollutants control total quantity is obtained: according to the water quality after step S4 verifying, hydrodynamic model, in conjunction with linear programming
Major pollutants control total quantity is calculated in method；
S6, show that each sewage draining exit pollutant drafts abatement total amount: by major pollutants control total quantity weight assignment to each sewage draining exit,
Each sewage draining exit actual monitoring amount of pollutant is reduced into the pollutant catabolic gene total amount after distribution, show that each sewage draining exit pollutant is drafted and disappears
Subtract total amount；
S7, the watershed that takes measures carry out total amount of pollutant abatement: cutting dirty, endogenous improvement, restoration of the ecosystem and running water using control source
The measure guaranteed the quality carries out total amount of pollutant abatement to sewage draining exit and basin；
S8, to after abatement sewage draining exit and quality in watershed detect: sewage draining exit and quality in watershed are detected, detection actual measurement
Whether water quality major pollutants parameter, which reaches in step S2 major pollutants, controls standard value, not up to then repeat step S7 until
Reach major pollutants in step S2 and control standard value, that is, shows successfully to eliminate black and odorous water.
2. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as described in claim 1, feature
It is: major pollutants control standard value in basin is calculated using statistical method in the step S2 and mainly uses following calculating side
Formula:
S21: water quality of river control point historical data is collected, and data are grouped statistics；
S22: the data group number that step S21 is obtained is determined, it is assumed that n sample size determination is divided into k group number, calculation formula
Are as follows:
K=1.87 (n-1)2/5
S23: very poor R is calculatedn, its calculation formula is:
Rn=max (x1, x2..., xn)-min(x1, x2..., xn)
S24: group is determined away from d, its calculation formula is d ≈ RnThe value of/k, d are the minimum measurement unit of integral multiple.
S25: each group endpoint value is determined, its calculation formula is ak=ao+ dk (k=01 ... n), wherein ao< min { x }, an<
Max { x }, aoValue is the minimum Value Data less than half of measurement unit；
S26: each class frequency n is countedi, the number that initial data is fallen within the scope of each group is exactly each class frequency, is denoted as ni；
S27: frequency f is calculatedi, formula fi=ni/n；
S27: cumulative frequency F is calculatedi, formula isObtain good water quality frequency distribution
75% quartile and poor water quality frequency distribution 25% quartile corresponding to numerical value, the average value of the two is main as basin
Pollutant catabolic gene standard value.
3. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as described in claim 1, feature
It is: using MIKE21, SWMM or SWAT model algorithm in the step S3, establishes between sewage draining exit and water quality of river monitoring point
Dynamic response relationship, set later meet major pollutants control standard maximum permissible release Z as objective function, constrain
Equation is that each Water-quality control point is all satisfied major pollutants control standard, expression formula are as follows:
Objective function
Constraint equation
In formula: Z indicates that the total amount of pollutants discharge in entire basin, i are Water-quality control point serial number；J is sewage draining exit serial number；AjFor each blowdown
Mouth flow；CjFor each sewage draining exit concentration；XijFor response coefficient matrix；CoiFor main pollutant catabolic gene standard；CujFor sewage draining exit
Upper limit of concentration value；λ is λ times that sewage draining exit concentration must not be lower than water pollution density, which always enters according to sewage draining exit flow Zhan
The ratio value of flow determines.
4. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as described in claim 1, feature
Be: it includes source interception project, pollution of area source control and river channel sewage intercepting engineering that source of controlling in the step S7, which is cut dirty,.
5. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as claimed in claim 4, feature
Be: the source interception project is on the basis of arranging mouth generaI investigation, according to the distribution of status pipe duct, to there are the rows of dry flow sewage
It mouthful carries out emphasis to trace to the source formula pipe network investigation, surface water channel swims investigation directly up, finds out pollution sources, drainage pipeline is by prizing well lid
And hidden pollution sources are found out by RTK, pipe and cable detector and geological radar.
6. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as claimed in claim 4, feature
Be: the pollution of area source control is on the basis of pollutant discharging unit's general census, emphasis is to Industry Development Area, villages within the city, agriculture
It is directly or indirectly investigated to the unit or place of river sewage effluent and seriously polluted initial rainwater in village area.
7. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as claimed in claim 4, feature
It is, the river channel sewage intercepting engineering includes:
The dry season sewage retained when fine day is directly entered sewage network or sewage treatment plant's processing；
The dry season sewage and initial rainwater retained when rainfall is sent into sewage network or enters sewage treatment plant and handles, at sewage
Reason factory has little time processing or sewage network has little time to enter storage pond storage when discharge, and first rain, which is collected, to be completed, and later period rainwater is direct
It is discharged into natural water；
There is sewage treatment plant after rainfall stops returns to sewage treatment by pumping plant for the water in storage pond when processing capacity more than needed
Factory and office's reason；
In the biggish place setting overflow well of combined sewer pipe duct flow, and the combined pipeline of small diameter tube and sewage conduct are direct
Access cuts dirty main pipe, and the sewage to shut off is delivered to sewage treatment plant by sewage main pipe.
8. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as claimed in claim 4, feature
Be: the major measure of endogenous improvement is channel cleanout in the step S7.
9. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as claimed in claim 4, feature
Be: restoration of the ecosystem is to pass through artificial oxygenation, microecosystem on the basis of cutting dirt, running water supply measure in the step S7
System building and aquatic ecosystem reparation improve water circulation, enhancing water body self-purification ability and restore inland river aquatic ecosystem.
10. a kind of black and odorous water removing method based on Urban watershed Ecology bearing capacity as claimed in claim 4, feature
Be: the step S8 running water, which is guaranteed the quality, includes:
Natural ecology moisturizing is taken, in river upstream, creates water storage project, to improve river base flow, ensures ecological water；
Artificial ecology moisturizing:
By manual type, good water sources nearby are extracted, inland river water body are replaced, so as to improve water environment.
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