CN107368623A - A kind of pool volume of regulating and storing based on runoff pollution control determines method - Google Patents
A kind of pool volume of regulating and storing based on runoff pollution control determines method Download PDFInfo
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Abstract
The invention discloses a kind of pool volume of regulating and storing based on runoff pollution control to determine method, including chooses typical catchment, obtains rainfall and changes over time process；Monitoring obtains rainfall runoff flow and changed with time process；Rainfall is obtained to pollutant sampling and flows through storm sewer water quality with sample time change procedure；Runoff pollution load is calculated to change with time relation and rainfall and the runoff pollution reduction rate dependent equation of each contamination index；And different runoff pollution reduction rate values and multiple pondage D rainfall and the power function relationship formula of runoff pollution reduction rate are calculated；To any catchment, obtain multiple pondage D and correspond to runoff pollution reduction rate relation table and storage pond volume calculations parameter and runoff pollution reduction rate mapping table, must regulate and store pool volume and runoff pollution reduction rate relation table.The present invention is a kind of computational methods for the pool volume of regulating and storing for establishing more accurate and simply applicable control runoff pollution.
Description
Technical field
The present invention relates to the technical field of storm detention tank volume calculations, more particularly to one kind is mainly used in separate system rain
The storm detention tank volume calculations method based on runoff pollution control of water drainage system.
Background technology
With the fast development of urbanization, the waterproof underlying surface ratio in city constantly increases, and Rainfall Runoff coefficient is continuous
Improve, when causing the rainfall to occur Urban Surface Runoff Yield speed accelerate, runoff rate and peak value increase, easily trigger Storm Sewer Network system
The Urban Water Environment problem such as impeded drainage and urban waterlogging of system.Further, since the aggravation of city surface source pollution, urban rainfall runoff
Substantial amounts of pollutant, including solid are carried by washing away city underlying surface (road, roof, greenery patches and parking lot etc.)
Grain thing, organic pollution, nutritive salt, heavy metal, oils etc., the pollutant kind entrained by it almost cover water quality prison now
Survey all aspects of pollutant.
Runoff pollution load in China's can be normally reached the 35%~55% of gross contamination load according to estimates, and indivedual areas are even
65%~75%, especially southern region of China can be up to, rainfall is more sufficient, urban river is more intensive, and rainwater carries
A large amount of pollutants enter surface water body, cause river eutrophication phenomenon is serious, river it is black it is smelly, sanitary condition is extremely severe, have
A little city rivers are even changed into the ground " blow-off pipe " in city, have impact on whole The Surroundings in Cities looks, or even have impact on surrounding
The life of resident.Therefore, strengthen runoff pollution control measure have become urban science planning with build major issue, 2014
October in year lives the portion's of building issue《Sponge urban construction technical manual》Itd is proposed in (tentative), realizing urban rainfall runoff total amount control
While system, the control of runoff peak value, Rainwater Resources such as utilize at the planning control targe, should using runoff pollution control targe as
The selective control targe of urban development accounts for.
It is presently used for controlling the separate system storm detention tank of runoff pollution function, using more and have a great influence
Computational methods are mainly empirical formula method, Model Calculating Method.If use hydrological model, then resulting scheme will be more
Accurately, still, there is poor operability in this Model Parameter, currently there are no more applicable simple directiveness rule
Journey.China exists《Code for design of outdoor sewerage engineering》(GB50014-2006) that recommends in controls runoff dirty suitable for separate system system
The calculation formula of storage pond is contaminated, using empirical equation form.The advantage is that method simple practical, need data it is few, using model
Enclose extensively, still, its defect is also evident from.The important parameter pondage D's of storm detention tank volume calculations takes in modular formula
Value often has very big subjectivity, mainly by virtue of experience value.
The content of the invention
It is an object of the present invention to the separate system storm detention tank volume calculations for solving existing control runoff pollution are public
The important parameter pondage D of formula empirically this shortcoming of value the problem of, more can accurately obtain parameter by experiment and regulate and store
Amount D determines method so that pool volume of regulating and storing can play more preferable economic and environmental benefit.
The rainfall intensity of the typical catchment of storage pond volume size and area of runoff pollution control, rainfall runoff water
Amount, runoff pollution, underground properties, pipe parameter are relevant.For area, underground properties, pipe parameter are true
Fixed.Therefore, for given area, specific underground properties and pipe parameter, the main of storage pond volume size is influenceed
Factor is the rainfall intensity, rainfall runoff water, runoff pollution of typical catchment.By to being ground under typical catchment
Study carefully the discharge process monitored over time of the rainfall runoff in region, analysis storm sewer runoff rate variation characteristic, characteristics of rainfall are to rain
The influence of waterpipe runoff rate and rainfall and run-off correlation analysis.By to survey region under typical catchment
Runoff pollution the whole sampling of discharge process, analysis runoff pollution variation characteristic, characteristics of rainfall are to rainfall runoff
The influence of pollution.By being cut down with runoff pollution runoff pollution load estimate under typical catchment, analysis rainfall
The relation of rate, the selecting method that storage pond calculating parameter pondage D can be obtained.
The present invention is realized by following technical proposals.
The present invention is that the pool volume of regulating and storing based on runoff pollution control determines method, is comprised the steps：
Step 1：Choose typical catchment, count effective rainfall event, obtain every in the rain rainfall with the time change
Change process statistics value；
Step 2：Rainfall runoff flow is monitored using Doppler Sonography ripple pipeline flowmeter simultaneously, obtains rainfall footpath
Stream flow changes with time process monitoring value；
Step 3：The rainwater that storm sewer is flowed through during the high-fall rain of above-mentioned catchment is entered according to intervals
Row pollutant sampling is analyzed, and obtains the water quality of each contamination index of rainfall runoff with the change procedure monitoring value of sample time；
Step 4：According to step 2-3 result, it is calculated using the calculation formula (I) of runoff pollution load in different drops
Runoff pollution load under rain event changes with time relation；
Step 5：Rainfall changes with time process statistics value and step in the every catchment obtained according to step 1
The 4 obtained runoff pollution loads under different catchments change with time relation, utilize runoff pollution reduction rate
Public formula (II), obtain the phase between the runoff pollution reduction rate of the rainfall and each contamination index changed over time in catchment
Guan Xing, and power function fitting analysis is carried out to it, obtain relationship equation and relative coefficient R2；
Step 6：According to the runoff pollution reduction rate of the rainfall that is changed over time in catchment and each contamination index it
Between correlative relationship, different runoff pollution reduction rate values is calculated, by itself and the rainfall value under each field catchment
Power function fitting is carried out again, obtains the power function relationship formula of the rainfall and runoff pollution reduction rate under pondage D；
Step 7：5-6 steps are repeated, multiple pondage D rainfall and the power function of runoff pollution reduction rate can be obtained
Relational expression；
Step 8：For the rainfall in any catchment, the multiple pondage D obtained according to step 7 rainfall with
The power function relationship formula of runoff pollution reduction rate, runoff pollution reduction rate relation table corresponding to multiple pondage D can be obtained, used
Interpolation calculation obtains any pondage D and the corresponding relation of runoff pollution reduction rate under the rainfall and selects table；
Step 9：According to storage pond volume calculations public affairs formula (III) in specification, the synthesis runoff of storage pond catchment area is obtained
Coefficient Ψ, catchment area F, pondage D and runoff pollution reduction rate corresponding relation select table, and regulate and store pool volume and footpath is calculated
Flow the relation table of pollution reduction rate.
Further, in the step 1, five kinds of light rain, moderate rain, heavy rain, heavy rain and torrential rain typical catchments, system are chosen
At least 5 effective rainfall events of counting.
Further, the rainwater that storm sewer is flowed through during the high-fall rain of catchment is entered according to 1 hours interval
Row pollutant sampling is analyzed.
The beneficial effects of the present invention are should determine method based on the pool volume of regulating and storing of runoff pollution control, make in China
It is《Code for design of outdoor sewerage engineering》In calculation formula on the basis of, according to the rainfall of typical catchment change, drop
Rain changes in runoff, runoff pollution change, rainfall runoff load variations, so that it is determined that rainfall and runoff pollution reduction rate
Relation, and then determine important parameter " pondage D " selection standard, is obtained using interpolation calculation, any under certain rainfall
The corresponding relation of pondage and runoff pollution reduction rate selects table, is finally given according to the calculation formula for pool volume of being regulated and stored in specification
The relation table for pool volume and the SS pollutant fluxes rates of regulating and storing.
The metering method is not by virtue of experience value, but passes through the runoff pollution load variations mistake to typical catchment
Cheng Jinhang whole process analysis, establish the computational methods of the pool volume of regulating and storing of more accurate and simply applicable control runoff pollution.
Brief description of the drawings
Fig. 1 is the flow chart that pool volume of the invention of regulating and storing determines method；
Fig. 2 (a), Fig. 2 (b) are the change procedure figure of rainfall intensity and pipeline flow under embodiment catchment respectively；
Fig. 3 (a), Fig. 3 (b) are embodiment SS, COD, TN, TP pollution concentration respectively with sampling time change curve；
Fig. 4 (a), Fig. 4 (b) are embodiment SS, COD, TN, TP runoff pollution load alternation process figure respectively.
Embodiment
The present invention is described in detail and described below by specific embodiment, for a better understanding of in the present invention
Hold it should be appreciated that following embodiments are not intended to limit the scope of the invention.
As shown in figure 1, regulate and store pool volume of the present invention based on runoff pollution control determines method, comprise the steps：
Step 1：Five kinds of light rain, moderate rain, heavy rain, heavy rain and torrential rain typical catchments are chosen, count at least 5 effectively
Catchment, obtain every in the rain rainfall change with time process statistics value.
Step 2：Rainfall runoff flow is monitored using Doppler Sonography ripple pipeline flowmeter simultaneously, obtains rainfall footpath
Stream flow changes with time process monitoring value；
Obtained by following formula：
Q=V*S
In formula, Q is rainfall runoff flow, m3/s；V is storm sewer flow velocity, m/s；S is storm sewer active cross-section face
Product, m2。
Step 3：According to 1 hours interval to flowing through the rainwater of storm sewer during the high-fall rain of above-mentioned catchment
Pollutant sampling analysis is carried out, obtains change procedure monitoring value of the rainfall runoff water quality with sample time.
Step 4：According to step 2-3 result, according to special to rainfall runoff in 22 typical catchments and pollution variety
The analysis of sign so that pollutant concentration, the runoff rate data of rainfall runoff are matched in time with rainfall product data, profit
Runoff pollution load under different catchments is calculated with the time with the calculation formula (I) of runoff pollution load
Variation relation；
In formula, M is runoff pollution load, g caused by this rainfall；CtThe instantaneous concentration in t is produced for this rainfall,
mg/L；QtThe instantaneous delivery in t, m are produced for this rainfall3/s；Δ t be this rainfall sampling interval duration, s；T is should
The rainfall duration of field rainfall, s；T is that the rainfall of this rainfall always lasts, s.
Step 5：Important parameter " pondage D " selection standard, including a pondage D (with rainfall gauge) is first chosen,
Rainfall changes with time process statistics value in the every catchment obtained according to step 1 and step 4 obtains in difference
Runoff pollution load under catchment changes with time relation, obtains the rainfall changed over time in catchment
Correlation between the runoff pollution reduction rate of each contamination index, and power function fitting analysis is carried out to it, obtain correlation
Equation and relative coefficient R2。
Wherein, the runoff pollution load that runoff pollution reduction rate refers to storage pond and can stored is accounted for caused by this rainfall
The percentage of runoff pollution load total amount, its calculation formula are：
In formula, MtRunoff pollution load caused by t, g are undergone for this rainfall；MTAlways lasted in rainfall for this rainfall
Caused runoff pollution load, g；T is rainfall duration, s；T is that rainfall always lasts, s；P is runoff pollution reduction rate, %；CtFor
This rainfall produces the instantaneous concentration in t, mg/L；QtThe instantaneous delivery in t, m are produced for this rainfall3/s。
In step 5, relationship equation is as follows：
Y1=aX1 b
In formula, Y1For the runoff pollution reduction rate of each contamination index, %；X1For the rainfall changed over time in catchment
Amount, mm；A is relationship equation coefficient；B is relationship equation index.
Step 6：According to the runoff pollution reduction rate of the rainfall that is changed over time in catchment and each contamination index it
Between correlative relationship, different runoff pollution reduction rate values is calculated, by itself and the rainfall value under each field catchment
Power function fitting is carried out again, obtains rainfall under pondage D and the power function relationship formula of runoff pollution reduction rate is as follows：
Y2=aX2 b
In formula, Y2For the runoff pollution reduction rate of each contamination index, %；X2For the rainfall under pondage D, mm；A is phase
Closing property equation coefficient；B is relationship equation index.
Step 7：Multiple D are chosen, repeat 5-6 steps, the rainfall and runoff pollution that can obtain multiple pondage D are cut down
The power function relationship formula of rate.
Followed by the storage pond volume calculations of runoff pollution control.
Step 8：For the rainfall in any catchment, the multiple pondage D obtained according to step 7 rainfall with
The power function relationship formula of runoff pollution reduction rate, runoff pollution rate of load condensate relation table corresponding to multiple pondage D can be obtained, used
Interpolation calculation obtains any pondage D and the corresponding relation of runoff pollution reduction rate under the rainfall and selects table.
Step 9：According to storage pond volume calculations public affairs formula (III) in specification：
According to《Code for design of outdoor sewerage engineering》In calculation formula
Y=10DF Ψ β (III)
In formula：V is storage pond basin's effective volume, m3)、；D is pondage, by rainfall gauge；F-catchment area, hm2；β is peace
Overall coefficient；Ψ is comprehensive runoff coefficient.
Obtain synthesis runoff coefficient Ψ, catchment area F, pondage D and the runoff pollution reduction rate of storage pond catchment area
Corresponding relation selects table, and the relation table of regulate and store pool volume and runoff pollution reduction rate is calculated.
The present invention is described in further details below according to specific embodiment.
By taking the ring Keyuan region of Yixing City main city zone as an example：
Step 1：The storage pond volume calculations determination method for parameter of runoff pollution control
Using Google Earth and site inspection, each storage pond charge for remittance in two kinds of arrangements of storm detention tank is determined
The area of all kinds of underlying surfaces in area, as a result as shown in table 1.
The underlying surface of 1 scheme of table one counts
According to the area of all kinds of underlying surfaces in table 5.6 and all kinds of underlying surface runoff coefficients (such as table 2.2), it is known that the storage pond
Catchment area F is 334.6ha, and comprehensive runoff coefficient Ψ is 0.73, and safety coefficient β takes 1.2.
Step 2：Rainfall and the relation of runoff pollution reduction rate, including
1) rainfall runoff Variations in Flow Changes is analyzed
This research has monitored 5 overall process catchments as typical rainfall activity altogether from May, 2016 to October,
The essential characteristic of five typical rainfalls, as shown in table 2.
The essential characteristic of the catchment of table 2
In order to more intuitively express the rainfall runoff stream of characteristics of rainfall and rainfall runoff under five typical catchments
The changing rule of amount, water level, the flow velocity initial data of rainfall initial data and pipeline flowmeter monitoring to rainfall gauge monitoring
With EXCEL processing, rainfall intensity and pipeline flow data are obtained.Again rainfall under catchment is drawn with originPro8.0
The change procedure figure of intensity and pipeline flow, as shown in Fig. 2 (a), Fig. 2 (b).From the point of view of the overall variation of pipeline flow, it becomes
Change trend is consistent with change frequency with rainfall intensity change, and simply the change of pipeline flow is more same than the change of rainfall intensity
Sample will lag a period of time, and a period of time longer than the rainfall intensity duration.
2) the change of water quality process analysis procedure analysis of storm sewer
This studies the rainfall water sample for getting 5 overall processes altogether from May, 2016 to October, all covers runoff per sub-sampling
The overall process of discharge.In order to more intuitively be expressed pollutant change procedure, for rainfall runoff pipeline, for pollution
Initial, the steady concentration of thing, have formulated corresponding statistical form, have been shown in Table 3.
The rain water pollutant concentration statistical form of table 3
Indices SS, COD, TN, TP pollution concentrations are made in rainfall runoff pipeline with sampling using originPro8.5
Time changing curve figure, as shown in Fig. 3 (a), Fig. 3 (b).Respectively polluted in rainfall runoff pipeline under different catchments by contrasting
The change procedure of thing, each contamination index's change in concentration trend are essentially identical：During pollutant emission, as rainfall is continuous
Increase, each pollutant concentration indention decline, and the different crest of several quantity occurs in each pollutant concentration during decline.
3) according to 1)~2) result, analysis rainfall runoff load changes with time situation
It is special according to the calculation formula (5-1), survey region Runoff water change data and rainfall of runoff pollution load
Levy data, estimation draw under different catchments, each analysis indexes runoff pollution load alternation process, as Fig. 4 (a),
Shown in Fig. 4 (b).Although rainfall mid-term pollutant concentration has diminished to steadily, each index pollutional load does not reduce not only,
It is even all bigger than the pollutional load of rainfall early stage, also there are several peak values, this is due to that ripple occurs in phase rainfall intensity after sampling
Peak, ground scouring capability become big, cause the increase of runoff pollution discharge capacity.It is different from pollutant concentration change procedure peak value, pollution
Load peak can exceed that the load peak of rainfall early stage, the crest and trough being embodied in each target load change procedure
Position in time very close to the number of crest is also almost identical.Although in rainfall precontamination thing concentration by high gradually drop
It is low, but each index pollutional load is concentrated mainly on rainfall mid-term.And in rainfall initial stage and later stage, each water quality load is not very
Greatly, it is and relatively very low.
4) rainfall and the relation of runoff pollution reduction rate
The relation of rainfall and runoff pollution reduction rate under five typical condition of raining is fitted according to power function, such as
Shown in table 4.Rainfall and the relative coefficient R of SS pollution reduction rates2Scope be 0.8904~0.9716, rainfall and COD
The relative coefficient R of pollution reduction rate2Scope be 0.8790~0.9741, rainfall and the correlation system of TN pollution reduction rates
Number R2Scope be 0.8378~0.9886, the relative coefficient R of rainfall and TP pollution reduction rates2Scope for 0.9056~
0.9608.It can thus be appreciated that rainfall and each pollution reduction rate of SS, COD, TN, TP be in dominant related, or even high correlation, to adjust
The design of reservoir volume, which calculates, provides an important foundation.
Under 4 different condition of raining of table, rainfall and the correlation of each index pollution reduction rate
Step 3：Important parameter " pondage D " selection standard, including
1) when pondage D selects 3mm, cut according to five typical condition of raining Xia Ge contamination indexs runoff pollutions of Yixing City
Power function relationship between lapse rate and rainfall, 5 corresponding to pondage different runoff pollution reduction rate values are respectively obtained, will
5 different runoff pollution reduction rate values and the rainfall value of five catchments carry out power function fitting, obtain the pondage
Under, the power function fitting curve of each index pollution reduction rate and rainfall；
2) when pondage D selects 6mm, 9mm, 12mm, 15mm, step can obtain multiple pondage D rainfall before repeating
Amount and the power function relationship formula of runoff pollution reduction rate, under 5 kinds of pondages, the pollution reduction rate of each index and the power letter of rainfall
Number equation and relative coefficient, as shown in table 5.It can be found that rainfall and the power of each index pollution reduction rate under 5 kinds of pondages
Functional dependence coefficients R2Substantially more than 0.9, in obvious correlation, there is very high use value, in this, as analysis
The basis of pondage and runoff pollution reduction rate relation.
55 kinds of pondages of table, rainfall and the correlation of each index pollution reduction rate
Step 4：The storage pond volume calculations of runoff pollution control
When Yixing rainfall is 15mm, runoff pollution rate of load condensate that 5 kinds of pondages can reach, as shown in table 6.
When the rainfall of table 6 is 15mm, each index pollution reduction rate value of 5 kinds of pondages
According to the corresponding relation of 5 kinds of pondages and SS pollution reduction rates in table 6, obtained with interpolation calculation, the rainfall
Under the corresponding relation of any pondage and runoff pollution reduction rate select table, as shown in table 7.
The pondage D of table 7 and the relation table of SS runoff pollution reduction rates
According to storage pond volume calculations public affairs formula (I) in specification, synthesis runoff coefficient Ψ, the gathering ground of storage pond catchment area
Product, pondage D and the relation (such as table 7) of runoff pollution reduction rate, regulate and store pool volume and SS pollutant fluxes rates is calculated
Relation table, as shown in table 8.
Table 8 is regulated and stored the relation table of pool volume and pollutant fluxes rate
The present invention uses in China《Code for design of outdoor sewerage engineering》In calculation formula on the basis of, according to typical case drop
The rainfall change of rain event, flow mode change, runoff pollution change, rainfall runoff load variations, so that it is determined that
Rainfall and the relation of runoff pollution reduction rate, and then determine that important parameter " pondage D " selection standard, utilizes interpolation method meter
Obtain, the corresponding relation of any pondage and runoff pollution reduction rate selects table under certain rainfall, according to storage pond in specification
The calculation formula of volume finally gives the relation table of regulate and store pool volume and SS pollutant fluxes rates.This method is not by virtue of experience to take
Value, but by carrying out whole process analysis to the runoff pollution load alternation process of typical catchment, establish it is more accurate and
The simply computational methods of the pool volume of regulating and storing of applicable control runoff pollution.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (9)
1. a kind of pool volume of regulating and storing based on runoff pollution control determines method, it is characterised in that comprises the steps：
Step 1：Choose typical catchment, count effective rainfall event, obtain every in the rain rainfall changed with time
Journey statistical value；
Step 2：Rainfall runoff flow is monitored using Doppler Sonography ripple pipeline flowmeter simultaneously, obtains rainfall runoff stream
Measure the process monitoring value that changes with time；
Step 3：The rainwater that storm sewer is flowed through during the high-fall rain of above-mentioned catchment is carried out according to intervals dirty
Thing sampling analysis is contaminated, obtains the water quality of each contamination index of rainfall runoff with the change procedure monitoring value of sample time；
Step 4：According to step 2-3 result, it is calculated using the calculation formula (I) of runoff pollution load in different rainfall things
Runoff pollution load under part changes with time relation；
Step 5：Rainfall changes with time process statistics value and step 4 in the every catchment obtained according to step 1
To the runoff pollution load under different catchments change with time relation, utilize runoff pollution reduction rate formula
(II), obtain related between the runoff pollution reduction rate of the rainfall and each contamination index changed over time in catchment
Property, and power function fitting analysis is carried out to it, obtain relationship equation and relative coefficient R2；
Step 6：According between the rainfall and the runoff pollution reduction rate of each contamination index changed over time in catchment
Correlative relationship, different runoff pollution reduction rate values is calculated, by its with the rainfall value under each field catchment again
Power function fitting is carried out, obtains the power function relationship formula of the rainfall and runoff pollution reduction rate under pondage D；
Step 7：5-6 steps are repeated, multiple pondage D rainfall and the power function relationship of runoff pollution reduction rate can be obtained
Formula；
Step 8：For the rainfall in any catchment, the multiple pondage D obtained according to step 7 rainfall and runoff
The power function relationship formula of pollution reduction rate, runoff pollution reduction rate relation table corresponding to multiple pondage D can be obtained, uses interpolation
Method is calculated any pondage D and the corresponding relation of runoff pollution reduction rate under the rainfall and selects table；
Step 9：According to storage pond volume calculations public affairs formula (III) in specification, the synthesis runoff coefficient of storage pond catchment area is obtained
Ψ, catchment area F, pondage D and runoff pollution reduction rate corresponding relation select table, and it is dirty with runoff that pool volume of regulating and storing is calculated
Contaminate the relation table of reduction rate.
2. the pool volume of regulating and storing according to claim 1 based on runoff pollution control determines method, it is characterised in that described
In step 1, five kinds of light rain, moderate rain, heavy rain, heavy rain and torrential rain typical catchments are chosen, count at least 5 effective rainfall things
Part.
3. the pool volume of regulating and storing according to claim 1 based on runoff pollution control determines method, it is characterised in that described
In step 2, rainfall runoff flow changes with time process, is obtained by following formula：
Q=V*S
In formula, Q is rainfall runoff flow, m3/s；V is storm sewer flow velocity, m/s；S is storm sewer active cross-section area, m2。
4. the pool volume of regulating and storing according to claim 1 based on runoff pollution control determines method, it is characterised in that described
In step 4, the runoff pollution load under different catchments changes with time relation, is obtained by following formula：
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In formula, M is runoff pollution load, g caused by this rainfall；CtThe instantaneous concentration in t, mg/L are produced for this rainfall；
QtThe instantaneous delivery in t, m are produced for this rainfall3/s；Δ t be this rainfall sampling interval duration, s；T is this rainfall
Rainfall duration, s；T is that the rainfall of this rainfall always lasts, s.
5. the pool volume of regulating and storing according to claim 4 based on runoff pollution control determines method, it is characterised in that described
In step 5, the runoff pollution load that runoff pollution reduction rate refers to storage pond and can stored accounts for runoff caused by this rainfall
The percentage of pollutional load total amount, its calculation formula are：
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<mo>&Sigma;</mo>
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<mn>0</mn>
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</munderover>
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<msub>
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<mn>0</mn>
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<mo>(</mo>
<mi>I</mi>
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</mrow>
In formula, MtRunoff pollution load caused by t, g are undergone for this rainfall；MTFor this rainfall generation is always lasted in rainfall
Runoff pollution load, gP is runoff pollution reduction rate, %.
6. the pool volume of regulating and storing according to claim 1 based on runoff pollution control determines method, it is characterised in that described
In step 5, the correlation between the rainfall and the runoff pollution reduction rate of each contamination index that are changed over time in catchment
Equation is as follows：
Y1=aX1 b
In formula, Y1For the runoff pollution reduction rate of each contamination index, %；X1For the rainfall changed over time in catchment,
mm；A is relationship equation coefficient；B is relationship equation index.
7. the pool volume of regulating and storing according to claim 1 based on runoff pollution control determines method, it is characterised in that described
In step 6, the rainfall and the power function relationship formula of runoff pollution reduction rate under pondage D are as follows：
Y2=aX2 b
In formula, Y2For the runoff pollution reduction rate of each contamination index, %；X2For the rainfall under pondage D, mm；A is correlation
Equation coefficient；B is relationship equation index.
8. the pool volume of regulating and storing according to claim 1 based on runoff pollution control determines method, it is characterised in that described
In step 7, multiple pondage D rainfall and the power function relationship formula of runoff pollution reduction rate are as follows：
Y3=aX3 b
In formula, Y3For the runoff pollution reduction rate of each contamination index, %；X3For multiple pondage D rainfall, mm；A is correlation
Property equation coefficient；B is relationship equation index.
9. the pool volume of regulating and storing according to claim 1 based on runoff pollution control determines method, it is characterised in that described
In step 9), storage pond volume calculations public affairs formula (III) is as follows in specification：
According to《Code for design of outdoor sewerage engineering》In calculation formula
Y=10DF Ψ β (III)
In formula：V is storage pond basin's effective volume, m3；D is pondage, by rainfall gauge；F is catchment area, hm2；β is safety system
Number；Ψ is comprehensive runoff coefficient.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731742A (en) * | 2018-08-16 | 2018-11-02 | 中国科学院城市环境研究所 | A kind of Rain Garden monitoring system |
| CN108959193A (en) * | 2018-06-28 | 2018-12-07 | 北京建筑大学 | The determination method and device of dependable rainfall |
| CN108984823A (en) * | 2018-05-31 | 2018-12-11 | 北京市水科学技术研究院 | A kind of determination method of combined sewer overflow storage pond scale |
| CN109726259A (en) * | 2018-12-27 | 2019-05-07 | 中冶京诚工程技术有限公司 | A kind of waste pipe-network design optimization system and method based on GIS technology |
| CN109977601A (en) * | 2019-04-10 | 2019-07-05 | 福州市规划设计研究院 | A kind of separate system region control runoff pollution and the thickness that shuts off of hybrid junction pollution determine method |
| CN110046403A (en) * | 2019-03-28 | 2019-07-23 | 天津大学 | Rainwater storage tank volumetric design based on pollutant retention quality simulating |
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| CN111523799A (en) * | 2020-04-22 | 2020-08-11 | 青岛理工大学 | Method for analyzing rain and sewage mixing degree of shunt system pipe network |
| CN111709108A (en) * | 2019-12-27 | 2020-09-25 | 广州市市政工程设计研究总院有限公司 | Pollution emission reduction analysis method and system based on big data |
| CN111723976A (en) * | 2020-05-27 | 2020-09-29 | 安徽国祯环保节能科技股份有限公司 | Rainwater storage tank space distribution planning method |
| CN112212223A (en) * | 2020-10-09 | 2021-01-12 | 北控水务(中国)投资有限公司 | Method for calculating storage volume and leakage amount of drainage pipe network and related equipment thereof |
| CN112950436A (en) * | 2021-03-01 | 2021-06-11 | 北京市水科学技术研究院 | Method and device for calculating overflow control parameters of combined pipeline |
| CN114113514A (en) * | 2021-10-18 | 2022-03-01 | 上海勘测设计研究院有限公司 | Mobile runoff pollution monitoring platform, control method and terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009047038A (en) * | 2007-08-17 | 2009-03-05 | Mitsubishi Electric Corp | Rainwater pump control device |
| CN101935133A (en) * | 2010-07-21 | 2011-01-05 | 河海大学 | General-purpose design method of overflow rain sewage on-the-spot ecological elimination technology |
| CN102193562A (en) * | 2011-03-21 | 2011-09-21 | 中国市政工程中南设计研究总院 | Method for controlling combined sewage overflow and urban non-point source under combined drainage system |
| CN103577640A (en) * | 2013-11-01 | 2014-02-12 | 上海市水务规划设计研究院 | Method for setting city initial rainwater interception standard |
| CN105839758A (en) * | 2016-05-05 | 2016-08-10 | 山东大学 | Variable initial rainwater flow abandon control system and control method and construction method |
-
2017
- 2017-06-06 CN CN201710425095.5A patent/CN107368623B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009047038A (en) * | 2007-08-17 | 2009-03-05 | Mitsubishi Electric Corp | Rainwater pump control device |
| CN101935133A (en) * | 2010-07-21 | 2011-01-05 | 河海大学 | General-purpose design method of overflow rain sewage on-the-spot ecological elimination technology |
| CN102193562A (en) * | 2011-03-21 | 2011-09-21 | 中国市政工程中南设计研究总院 | Method for controlling combined sewage overflow and urban non-point source under combined drainage system |
| CN103577640A (en) * | 2013-11-01 | 2014-02-12 | 上海市水务规划设计研究院 | Method for setting city initial rainwater interception standard |
| CN105839758A (en) * | 2016-05-05 | 2016-08-10 | 山东大学 | Variable initial rainwater flow abandon control system and control method and construction method |
Non-Patent Citations (3)
| Title |
|---|
| YOUNGJIN KIM 等: ""Design Method for Determining Rainwater Tank Retention Volumes to Control Runoff from Building Rooftops"", 《KSCE JOURNAL OF CIVIL ENGINEERING》 * |
| 朱理铭 等: ""广州市雨水调蓄池规划技术研究"", 《中国给水排水》 * |
| 王佼: ""控制面源污染的分流制雨水调蓄池优化研究"", 《万方数据-知识服务平台》 * |
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