CN107338848A - The early-stage rainwater stream abandoning method of abandoned stream stormwater tank - Google Patents
The early-stage rainwater stream abandoning method of abandoned stream stormwater tank Download PDFInfo
- Publication number
- CN107338848A CN107338848A CN201710464557.4A CN201710464557A CN107338848A CN 107338848 A CN107338848 A CN 107338848A CN 201710464557 A CN201710464557 A CN 201710464557A CN 107338848 A CN107338848 A CN 107338848A
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- early
- stage
- stage rainwater
- rainwater
- stream
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- 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
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- 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
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
Abstract
The invention discloses a kind of early-stage rainwater stream abandoning method of abandoned stream stormwater tank, using automation early-stage rainwater stream abandoning control system, the step of the step of including early-stage rainwater contaminated degree detecting and inhomogeneity early-stage rainwater stream abandoning.A kind of early-stage rainwater stream abandoning method of above-mentioned abandoned stream stormwater tank, it considers that the contaminated degree of the early-stage rainwater of different zones is different, the low region of the contaminated degree in part, the factors such as the early-stage rainwater of secondary rainfall is pollution-free in one period, it possesses the advantages of intelligence degree height, low manufacture cost and the notable low grade of operating cost.Meanwhile the early-stage rainwater stream abandoning method can be the later stage to the environmental protection treatment leaving space of abandoned stream rainwater and time, to realize qualified discharge or middle water circulation use.
Description
Technical field
The present invention relates to a kind of early-stage rainwater stream abandoning method, particularly a kind of early-stage rainwater stream abandoning side of abandoned stream stormwater tank
Method.
Background technology
Come into 21 century, with the continuous development of industrial or agricultural society, water resources problems is increasingly becoming restriction human society
The principal element of development.
Due to rainfall initial stage, rainwater has dissolved the contaminatives such as a large amount of sour gas in air, vehicle exhaust, plant gas
Gas, behind ground of landing, and due to washing away roofing, asphalt concrete road etc. so that contain substantial amounts of pollution in early stage rainwater
Material, early stage, the pollution level of rainwater was higher, or even the pollution level beyond ordinary municipal sewage, and the conclusion is referred to as elution at initial stage
Effect.Therefore general in rainwater catchment system to carry out abandoned stream to early-stage rainwater using rainwater flow-discarding device, later stage rainwater is by letter
Single processing enters storing facilities of water, to utilize.
Early-stage rainwater stream abandoning device mainly has abandoned stream stormwater tank, suitching type or tubule abandoned stream well, automatic turnover type, and just rain divides
From the multi-form such as device and jump weir formula rainwater shunting well.Wherein, the early-stage rainwater stream abandoning method of existing abandoned stream stormwater tank is only
It is that simply early-stage rainwater is first flowed into the pond body of corresponding volume and stored, when the early-stage rainwater of storage reaches certain volume
Afterwards, rainwater begins to flow into recovery rain water collecting system.
But the early-stage rainwater stream abandoning method of above-mentioned abandoned stream stormwater tank, it still suffers from following technological deficiency：Its method is not
Consider that the contaminated degree of early-stage rainwater of different zones is different, the low region of the contaminated degree in part, secondary drop in a period
The factors such as the early-stage rainwater of rain is pollution-free, are used uniformly abandoned stream stormwater tank and carry out storage post processing to early-stage rainwater, can cause
The wasting of resources.
The content of the invention
A kind of rain at initial stage of abandoned stream stormwater tank is provided the invention aims to solve above-mentioned the deficiencies in the prior art
Water abandoned stream method.
To achieve these goals, the early-stage rainwater stream abandoning method of a kind of abandoned stream stormwater tank designed by the present invention, it is adopted
With automation early-stage rainwater stream abandoning control system, comprise the following steps：
A, the step of early-stage rainwater contaminated degree detecting：
According to the early-stage rainwater pollution level of system detectio, early-stage rainwater is divided into three classes；Wherein, contamination-free in the domain of catchment area
, it is classified as a kind of early-stage rainwater；There is pollutant catchment area in domain, and its early-stage rainwater water quality is in national sewage after rain drop erosion
It is classified as two class early-stage rainwaters within discharge standard permissible value；There is pollutant catchment area in domain, its initial stage after rain drop erosion
Rainwater Quality is classified as three class early-stage rainwaters more than state sewage emission standard；
B, the step of early-stage rainwater stream abandoning
System detectio is judged as a kind of early-stage rainwater in above-mentioned steps a, builds filtering sand sediment trap, and a kind of early-stage rainwater is heavy by filtering
Flow-through exhaust after Sha Jing；
System detectio is judged as two class early-stage rainwaters in above-mentioned steps a, builds shunting well and desilting metering pool；Two class early-stage rainwaters lead to
Cross shunting well and be introduced into desilting metering pool, two class early-stage rainwater collecting amounts are determined by the setting value of desilting metering pool end flowmeter
Fixed, the collection of two class early-stage rainwaters, desilting, which are handled, discharge is synchronous is carried out, and it is heavy to collect system closing after flow reaches setting value
The inlet valve of husky metering pool, delay N hour systems are then turned on the inlet valve of desilting metering pool, N >=1 after previous field rain rain stops
, it is considered as same rainfall if there is discontinuity rainfall system in N hours, the time delay that system has added up resets, after rain stops
Reclocking；
System detectio is judged as three class early-stage rainwaters in above-mentioned steps a, builds shunting well and pretreatment setting pot, three class early-stage rainwaters
Pretreatment setting pot is introduced into by shunting well, three class early-stage rainwater collecting amounts are determined by the set volume of pretreatment setting pot,
And system closes the inlet valve of pretreatment setting pot after collecting amount reaches volume high water level, previous field rain rain postpones N after stopping
Hour system starts evacuation system, and when volume water level pump drainage to the volume low water level for pre-processing setting pot, system is then turned on pre- place
The inlet valve of setting pot is managed, N >=1, is considered as same rainfall if there is discontinuity rainfall system in N hours, system has added up
Time delay reset, after rain stop after reclocking.
The pretreating process that three class early-stage rainwaters in setting pot are pre-processed in above-mentioned steps c is contained to three class early-stage rainwaters
Oil removal, desilting technology processing or other pretreating process.
A kind of early-stage rainwater stream abandoning method of abandoned stream stormwater tank provided in the present invention, that takes into account the first of different zones
The contaminated degree of phase rainwater is different, and the low region of the contaminated degree in part, the early-stage rainwater of secondary rainfall is without dirt in a period
The factors such as dye, possess intelligence degree height, low manufacture cost and the significant technique effect of the low grade of operating cost.
Brief description of the drawings
Fig. 1 is the structural representation of two class early-stage rainwater stream abandonings need to be built in embodiment shunting well and desilting metering pool；
Fig. 2 is the structural representation of the shunting well that three class early-stage rainwater stream abandonings need to be built in embodiment and pretreatment setting pot.
In figure：Shunting well 1, desilting metering pool 2, flowmeter 3, switch board 4, pretreatment setting pot 5, rain stop inductor 6, taken out
Heat-extraction system 7.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
A kind of early-stage rainwater stream abandoning method of abandoned stream stormwater tank provided in the present embodiment, it is included using automation just
Phase rain water drainage control system, when addressing Ningbo City Zhenhai District Zhuan Shi streets, contamination-free, then be classified as one in the domain of catchment area
Class early-stage rainwater；The step of above-mentioned a kind of early-stage rainwater stream abandoning, filtering sand sediment trap need to be built, a kind of early-stage rainwater is by filtering desilting
Flow-through exhaust after well；
And a kind of early-stage rainwater stream abandoning method of above-mentioned abandoned stream stormwater tank, when addressing Ningbo City Zhenhai District camel street, catchment area
There is pollutant in domain, its early-stage rainwater water quality is then sorted out within state sewage emission standard permissible value after rain drop erosion
For two class early-stage rainwaters；Above-mentioned two classes early-stage rainwater stream abandoning step, need to build shunting well 1 and desilting metering pool 2, as shown in Figure 1；Two
Class early-stage rainwater is introduced into desilting metering pool 2 by shunting well 1, and two class early-stage rainwater collecting amounts are flowed by the end of desilting metering pool 2
The setting value of gauge 3 determines that collection, desilting processing, the discharge of two class early-stage rainwaters are synchronously carried out, and are collected flow and reached setting
The signal of flowmeter 3 feeds back to switch board 4 after value, and switch board 4 closes the inlet valve of desilting metering pool 2, is only sensed by rain
The monitoring of device 6, after previous field rain rain stops postponing 48 hours switch boards 4 is then turned on the inlet valve of desilting metering pool 2, and four
If occurring discontinuity rainfall in 18 hours is considered as same rainfall, the time delay that system has added up resets, after rain stops again
Timing；
Equally, the early-stage rainwater stream abandoning method of above-mentioned a kind of abandoned stream stormwater tank, when addressing Ningbo City Zhenhai District Jiao Chuan streets, by rain
There is pollutant in region, its early-stage rainwater water quality exceedes state sewage emission standard after rain drop erosion, then is classified as three classes
Early-stage rainwater, above-mentioned three classes early-stage rainwater stream abandoning step need to build shunting well 1 and pretreatment setting pot 5, and three class early-stage rainwaters pass through
Shunting well 1 is introduced into pretreatment setting pot 5, as shown in Fig. 2 setting of the three class early-stage rainwater collecting amounts by pretreatment setting pot 5
Volume determines, and switch board 4 closes inlet valve and the shake-up of pretreatment setting pot 5 after collecting amount reaches volume high water level 8
Rain stops inductor 6, and rain stops the transmission signal of inductor 6 to switch board 4 and according to setting program delayed startup evacuation system 7, specifically
Postpone 48 hours switch boards 4 startup evacuation system 7 after stopping for previous field rain rain, when volume water level pump drainage is to pre-processing sand setting
Switch board 4 is then turned on inlet valve during the volume low water level 9 in pond 5, in 48 hours if there is discontinuity rainfall switch board 4
It is considered as same rainfall, the time delay that system has added up resets, the reclocking after rain stops.
In above-mentioned pretreatment setting pot 5 pretreating process of three class early-stage rainwaters contain three class early-stage rainwaters oil removal,
Desilting technology processing.
Claims (1)
- A kind of 1. early-stage rainwater stream abandoning method of abandoned stream stormwater tank, it is characterized in that using automation early-stage rainwater stream abandoning control system System, including the steps：A, the step of early-stage rainwater contaminated degree detecting：According to the early-stage rainwater pollution level of system detectio, early-stage rainwater is divided into three classes；Wherein, contamination-free in the domain of catchment area , it is classified as a kind of early-stage rainwater；There is pollutant catchment area in domain, and its early-stage rainwater water quality is in national sewage after rain drop erosion It is classified as two class early-stage rainwaters within discharge standard permissible value；There is pollutant catchment area in domain, its initial stage after rain drop erosion Rainwater Quality is classified as three class early-stage rainwaters more than state sewage emission standard；B, the step of early-stage rainwater stream abandoning：System detectio is judged as a kind of early-stage rainwater in above-mentioned steps a, builds filtering sand sediment trap, and a kind of early-stage rainwater is heavy by filtering Gravity flow discharges after Sha Jing；System detectio is judged as two class early-stage rainwaters in above-mentioned steps a, builds shunting well and desilting metering pool；Two class early-stage rainwaters lead to Cross shunting well and be introduced into desilting metering pool, two class early-stage rainwater collecting amounts are determined by the setting value of desilting metering pool end flowmeter Fixed, the collection of two class early-stage rainwaters, desilting, which are handled, discharge is synchronous is carried out, and it is heavy to collect system closing after flow reaches setting value The inlet valve of husky metering pool, delay N hour systems are then turned on the inlet valve of desilting metering pool, N >=1 after previous field rain rain stops , it is considered as same rainfall if there is discontinuity rainfall system in N hours, the time delay that system has added up resets, after rain stops Reclocking；System detectio is judged as three class early-stage rainwaters in above-mentioned steps a, builds shunting well and pretreatment setting pot, three class early-stage rainwaters Pretreatment setting pot is introduced into by shunting well, three class early-stage rainwater collecting amounts are determined by the set volume of pretreatment setting pot, System closes the inlet valve of pretreatment setting pot after collecting amount reaches volume high water level, and it is small that previous field rain rain postpones N after stopping When system start evacuation system, when volume water level pump drainage to pre-process setting pot volume low water level when system be then turned on pre-processing The inlet valve of setting pot, N >=1, it is considered as same rainfall in N hours if there is discontinuity rainfall system, what system had added up Time delay resets, the reclocking after rain stops.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319911A (en) * | 2017-10-30 | 2019-02-12 | 湖南雨创环保工程有限公司 | A kind of rainwater pollution concentration monitor flow abandoning apparatus and method |
| CN112832355A (en) * | 2020-12-31 | 2021-05-25 | 湖北省长江水生态研究院有限责任公司 | Intercepting well and drainage control method thereof |
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| JPH09195371A (en) * | 1996-01-22 | 1997-07-29 | Kubota Corp | Operating method for sewage relay pumping station |
| JP2001193140A (en) * | 2000-01-13 | 2001-07-17 | Shin Meiwa Ind Co Ltd | Water level control device and its method |
| TW200925423A (en) * | 2004-12-14 | 2009-06-16 | Toshiba Kk | Rainwater draining support system, and rainwater draining support method |
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| CN106759775A (en) * | 2017-01-23 | 2017-05-31 | 上海莱多实业有限公司 | Rainwater automatic shunt flow abandoning apparatus and rainwater automatic shunting method |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09195371A (en) * | 1996-01-22 | 1997-07-29 | Kubota Corp | Operating method for sewage relay pumping station |
| JP2001193140A (en) * | 2000-01-13 | 2001-07-17 | Shin Meiwa Ind Co Ltd | Water level control device and its method |
| TW200925423A (en) * | 2004-12-14 | 2009-06-16 | Toshiba Kk | Rainwater draining support system, and rainwater draining support method |
| CN105800810A (en) * | 2016-04-13 | 2016-07-27 | 武汉美华禹水环境有限公司 | Low-effect treatment method of good-quality rainwater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319911A (en) * | 2017-10-30 | 2019-02-12 | 湖南雨创环保工程有限公司 | A kind of rainwater pollution concentration monitor flow abandoning apparatus and method |
| CN112832355A (en) * | 2020-12-31 | 2021-05-25 | 湖北省长江水生态研究院有限责任公司 | Intercepting well and drainage control method thereof |
| CN112832355B (en) * | 2020-12-31 | 2024-02-13 | 湖北省长江水生态研究院有限责任公司 | Intercepting well and drainage control method thereof |
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| CN107338848B (en) | 2019-05-21 |
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