CN203755431U - Initial rainwater and rain-sewage mixed water overflow regulation and storage pond facility giving consideration to flood peak reduction - Google Patents

Initial rainwater and rain-sewage mixed water overflow regulation and storage pond facility giving consideration to flood peak reduction Download PDF

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Publication number
CN203755431U
CN203755431U CN201420068486.8U CN201420068486U CN203755431U CN 203755431 U CN203755431 U CN 203755431U CN 201420068486 U CN201420068486 U CN 201420068486U CN 203755431 U CN203755431 U CN 203755431U
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China
Prior art keywords
pond
rainwater
storage pond
flood peak
water
Prior art date
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CN201420068486.8U
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Chinese (zh)
Inventor
蔡剑波
张建良
王少林
阮小燕
彭勃
揭俊业
郑杰元
张欣
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广州市市政工程设计研究院
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Priority to CN201420068486.8U priority Critical patent/CN203755431U/en
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Publication of CN203755431U publication Critical patent/CN203755431U/en

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Abstract

The utility model discloses an initial rainwater and rain-sewage mixed water overflow regulation and storage pond facility giving consideration to flood peak reduction. The facility comprises a regulation and storage pond, an interception pond, an outflow pond, a rainwater feeding pipeline and a rainwater discharging pipeline. A rainwater control gate and a flood peak overflow weir are arranged on the side face of the interception pond and communicated with the regulation and storage pond respectively, an evacuation water pump is arranged between the regulation and storage pond and the outflow pond, and a water quality testing meter is arranged in the interception pool. After initial rainwater and rain-sewage mixed water enter the interception pond, when water quality of a water body is poor, the rainwater control gate is opened, and the initial rainwater and the rain-sewage mixed water enter the regulation and storage pond; for a water body good in water quality, the water body directly flows out from the rainwater discharging pipeline; when a rainstorm flood appears, most of rainwater of the flood peak is directly discharged out of the interception pond via the rainwater discharging pipeline, the other part directly overflows into the regulation and storage pond through the elevation of flood peak overflow weir, in other words, the flood peak is discharged and reduced, and accordingly flood peak discharge pressure of downstream rainwater main pipe culverts and even river channels is relieved.

Description

Take into account early-stage rainwater and the dirty mixing water overflow of rain storage pond facility that flood peak is cut down
Technical field
the utility model relates to rain sewage and regulates and stores and separate and waterlogging Prevention Technique field, city, particularly a kind of facility that utilizes the dirty mixing water overflow of early-stage rainwater and rain storage pond to carry out flood peak reduction.
Background technology
At the dirty Diverging area of rain, the rainfall initial stage, road dust, silt particle, greasy dirt, even rubbish is along with early-stage rainwater confluxes rapidly to draining pipe culvert (canal), and the main pollutant consistence indexs such as its BOD, COD, SS even approach and reach Wastewater Treatment Plant and enter water quality standard.In addition, cut dirty region at shutoff type, early-stage rainwater is with sewage, form the dirty mixing water of rain, due to interception ratio restriction, exceed the dirty mixing water of rain of carrying pipe culvert to transfer ability in downstream and will produce overflow, but the dirty overflow water that mixes of initial stage rain, not yet obtains the abundant dilution of rainwater, and pollutant levels are higher.In view of the foregoing, along with the raising of ratio and an urgent demand to river course, lake water quality improvement are cut down to pollutant in domestic city, in carrying out rain dirty shunting system and improving constantly the interception ratio transformation of shutoff type Jie Wu district, be necessary to early-stage rainwater and rain dirty mix overflow water hold stagnant, to cut down disposal of pollutants.
The dirty overflow water pollution control technology of mixing of current known early-stage rainwater and rain mainly adopts storage pond facility, utilize storage pond, the dirty overflow water that mixes of early-stage rainwater and rain dams, after treating rainfall, pump drainage enters downstream soil pipe gradually again, finally transfers to Wastewater Treatment Plant and processes, thereby reach the function that effective reduction pollutes but above-mentioned storage pond function is comparatively single, in actual motion, the body volume of regulating and storing in pond is often filled up before flood peak by early-stage rainwater, can not play the effective reduction to flood peak.
In recent years, Rainwater Storage Tank scale, by hovering for a long time before in 2~3mm early-stage rainwater magnitude, be progressively increased to the 10mm early-stage rainwater magnitude of regulating and storing, adds 1.5 times of even 2.0 times of volume deposits, therefore, the ability of regulating and storing of storage pond reality reaches 15~20mm gradually.And take Guangzhou as example, the flood peak concentration time that gush in the small watershed river, city of formation waterlogging is many between 0.5~4 hour, 2 years one chances of designs in 4 hours that determine waterlogging degree are 80~166mm to 20 years one chance storm rainfalls, and the ability of regulating and storing of storage pond accounts for 10~20% of short duration heavy rain; As by volume, storage pond scale is 1500~2000m 3/ 10hm 2magnitude, single regulating and storing reaches 500~10000m 3scale, the use in conjunction of multiple storage ponds, waterlogging is avoided the peak hour, alleviated to city small watershed rain flood also important value.
In sum, storage pond is for cutting down city small watershed flood peak and alleviating waterlogging, there are important potentiality, and existing Rainwater Storage Tank, although volume is large, strong to the early-stage rainwater ability of regulating and storing, due to the limitation of purpose of design function and supporting control device, make the underground storage pond that involves great expense but cannot be to the adjusting of avoiding the peak hour of small watershed rain flood.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of early-stage rainwater and the dirty mixing water overflow of rain storage pond facility that flood peak is cut down of taking into account, by this overflow storage pond facility dirty mixing water of early-stage rainwater and rain that not only can dam, cut down disposal of pollutants, can also rainfall frequently before the cleaner peak of abandoned stream in flood season rainwater reaching flood peak clipping, alleviate the object of small watershed waterlogging disaster.
For solving the problems of the technologies described above adopted technical scheme: a kind of early-stage rainwater and the dirty mixing water overflow of rain storage pond facility of taking into account flood peak reduction, comprise storage pond, the pond of damming, go out Liu Chi, rainwater enters pipeline and storm drain road, the described side, pond of damming arranges a rainwater regulating gate and is connected with storage pond, the described side, pond of damming also arranges a flood peak overflow weir and is connected with storage pond, described storage pond and go out to flow between pond by an emptying water pump is set the water in storage pond is extracted out and drained into out in stream pond, in the described pond of damming, water quality detection instrument is set, described rainwater enters pipeline and storm drain road is connected with the pond of damming respectively.
Be further used as the improvement of technical solutions of the utility model, described in dam at the bottom of the pond in pond at the bottom of the pipe lower than storm drain road.
Be further used as the improvement of technical solutions of the utility model, also comprise a soil pipe, the described Liu Chi of going out side arranges a sewage control gate and is connected with soil pipe, described go out to flow water quality detection instrument is set in pond, described in go out Liu Chi side and one stormwater overflow weir is also set is connected with storm drain road
Be further used as the improvement of technical solutions of the utility model, be provided with inspection-pit at the top of the described Chi Hechuliuchi of damming.
Be further used as the improvement of technical solutions of the utility model, described water quality detection instrument comprises transmissometer and conductivity meter.
Beneficial effect: in this storage pond facility, by being set, water quality detection instrument Real-Time Monitoring differentiates water quality, mix overflow water and enter pipeline through rainwater and enter and dam behind pond when early-stage rainwater and rain are dirty, detect through water quality detection instrument, turbidity and electrical conductivity are reached to the above operating mode of setting value, open rainwater regulating gate, the dirty overflow water that mixes of early-stage rainwater and rain is entered in storage pond; And for turbidity and electrical conductivity the water body lower than setting value, even the dirty overflow water that mixes of early-stage rainwater or rain, because its water pollution degree is lighter, needn't enter storage pond, water body directly flows out through storm drain road, avoids taking too much storage pond volume before flood peak.In the time there is storm flood, the most of rainwater of flood peak is directly discharged the pond of damming through storm drain road, part is because the pool inner water position of damming is higher than flood peak overflow weir elevation in addition, and automatic overflow enters storage pond, flood peak is skimmed to stream reduction, thereby alleviate the flood row peak pressure power in downstream rainwater trunk pipe culvert and even river course.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described further;
Fig. 1 is the structural plan arrangement diagram of the utility model embodiment;
Fig. 2 is the sectional drawing at A-A place in Fig. 1;
Fig. 3 is the sectional drawing at B-B place in Fig. 1;
Fig. 4 is the sectional drawing at C-C place in Fig. 1;
Fig. 5 is the sectional drawing at D-D place in Fig. 1.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, a kind of early-stage rainwater and the dirty mixing water overflow of rain storage pond facility of taking into account flood peak reduction of the utility model, comprise storage pond 10, the pond 20 of damming, go out to flow pond 30, rainwater enters pipeline 40 and storm drain road 50, 20 sides, pond of damming arrange a rainwater regulating gate 21 and are connected with storage pond 10, 20 sides, pond of damming also arrange a flood peak overflow weir 22 and are connected with storage pond 10, storage pond 10 and go out to flow between pond 30 by an emptying water pump 11 is set the water in storage pond is extracted out and drained into out in stream pond 30, the interior water quality detection instrument 60 that arranges in the pond 20 of damming, rainwater enters pipeline 40 and storm drain road 50 is connected with the pond 20 of damming respectively.
In this storage pond facility, by being set, water quality detection instrument 60 Real-Time Monitorings differentiate water quality, mix overflow water and enter pipeline 40 through rainwater and enter and dam behind pond 20 when early-stage rainwater and rain are dirty, detect through water quality detection instrument 60, turbidity and electrical conductivity are reached to the above operating mode of setting value, open rainwater regulating gate 21, the dirty overflow water that mixes of early-stage rainwater and rain is entered in storage pond 10; And for turbidity and electrical conductivity the water body lower than setting value, even the dirty overflow water that mixes of early-stage rainwater or rain, because its water pollution degree is lighter, needn't enter storage pond 10, water body directly flows out through storm drain road 50, avoids taking too much storage pond 10 volumes before flood peak.In the time there is storm flood, the most of rainwater of flood peak directly discharges through storm drain road 50 pond 20 of damming, part is because the interior water level in pond 20 that dams is higher than flood peak overflow weir 22 elevations in addition, and automatic overflow enters storage pond 10, flood peak is skimmed to stream reduction, thereby alleviate the flood row peak pressure power in downstream rainwater trunk pipe culvert and even river course.
In the present embodiment, this storage pond facility also comprises a soil pipe 70, going out to flow 30 sides, pond arranges a sewage control gate 31 and is connected with soil pipe 70, going out to flow the interior water quality detection instrument 60 that arranges in pond 30, going out to flow 30 sides, pond also arranges a stormwater overflow weir 32 and is connected with storm drain road 50, for the early-stage rainwater and the dirty overflow water that mixes of rain that enter in storage pond 10, after storage pond 10 preliminary sedimentations, flow to out in stream pond 30 by emptying water pump 11 pump drainages, the water quality detection instrument 60 that goes out to flow in pond 30 detects water body, when turbidity and electrical conductivity reach operating mode more than setting value, open sewage control gate 31, enter gradually soil pipe 70, thereby realize the outer row of the dirty mixing of early-stage rainwater and rain overflow water, ensure the basic function of pollution reduction, and enter the flood peak water in storage pond 10 for overflow, in the time that pump drainage flows to out stream pond 30, its turbidity and electrical conductivity are relatively low, and now sewage control gate 31 is closed, and the water body that goes out to flow in pond 30 directly enters storm drain road 50 by 32 overflows of stormwater overflow weir.
In the entrance side setting of storage pond 10 pond 20 of damming, dam at the bottom of the pond in pond 20 at the bottom of the pipe lower than storm drain road 50, by the real-time state of differentiating water quality and controlling rainwater regulating gate 21 of water quality detection instrument 60, thereby reach, early-stage rainwater that selectively quantitatively restriction input pollution concentration is higher and rain are dirty to be mixed before overflow water and abandoned stream peak in flood season compared with clean rainwater, and flood peak overflow weir 22 is also set in 20 sides, pond of damming, in the time there is flood peak, the water body damming in pond 20 directly enters storage pond by 22 overflows of flood peak overflow weir, reach flood peak is skimmed to the effect that stream is cut down.Set out stream pond 30 at the outlet side of storage pond 10, going out to flow pond 30 does not communicate with storage pond 10, just by emptying water pump 11 by the water body pump drainage in storage pond 10 to going out to flow in pond 30, going out to flow interior water quality detection instrument 60, sewage control gate 31 and the stormwater overflow weir 32 of arranging, pond 30, according to water quality situation, the water that selectively goes out to flow in pond 30 enters soil pipe 70 or storm drain road 50.
As preferred embodiment of the present utility model, damming, pond 20 is provided with inspection-pit 80 with the top that goes out to flow pond 30.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken possessing at described technical field those of ordinary skill, can also under the prerequisite that does not depart from the utility model aim, make various variations.

Claims (5)

1. take into account early-stage rainwater and the dirty mixing water overflow of the rain storage pond facility that flood peak is cut down for one kind, it is characterized in that: comprise storage pond, the pond of damming, go out Liu Chi, rainwater enters pipeline and storm drain road, the described side, pond of damming arranges a rainwater regulating gate and is connected with storage pond, the described side, pond of damming also arranges a flood peak overflow weir and is connected with storage pond, described storage pond and go out to flow between pond by an emptying water pump is set the water in storage pond is extracted out and drained into out in stream pond, in the described pond of damming, water quality detection instrument is set, described rainwater enters pipeline and storm drain road is connected with the pond of damming respectively.
2. according to claim 1ly take into account early-stage rainwater and the dirty mixing water overflow of the rain storage pond facility that flood peak is cut down, it is characterized in that: described in dam at the bottom of the pond in pond at the bottom of the pipe lower than storm drain road.
3. early-stage rainwater and the dirty mixing water overflow of the rain storage pond facility of taking into account flood peak reduction according to claim 1 and 2: also comprise a soil pipe, the described Liu Chi of going out side arranges a sewage control gate and is connected with soil pipe, described go out to flow water quality detection instrument is set in pond, described in go out Liu Chi side and one stormwater overflow weir is also set is connected with storm drain road.
4. early-stage rainwater and the dirty mixing water overflow of the rain storage pond facility of taking into account flood peak reduction according to claim 1, is characterized in that: the top at the described Chi Hechuliuchi of damming is provided with inspection-pit.
5. early-stage rainwater and the dirty mixing water overflow of the rain storage pond facility of taking into account flood peak reduction according to claim 1, is characterized in that: described water quality detection instrument comprises transmissometer and conductivity meter.
CN201420068486.8U 2014-02-17 2014-02-17 Initial rainwater and rain-sewage mixed water overflow regulation and storage pond facility giving consideration to flood peak reduction CN203755431U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821222A (en) * 2014-02-17 2014-05-28 广州市市政工程设计研究院 Initial rainwater and rain-sewage mixed overflow water storage pond facility with flood peak reduction function
CN104499561A (en) * 2014-10-23 2015-04-08 重庆大学 Urban rainwater runoff high-efficiency intercepting well and intercepting method
CN105178422A (en) * 2015-08-19 2015-12-23 湖南华沣科贸有限公司 Urban rainwater off-peak capacity regulation control device and urban rainwater off-peak capacity regulation control method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821222A (en) * 2014-02-17 2014-05-28 广州市市政工程设计研究院 Initial rainwater and rain-sewage mixed overflow water storage pond facility with flood peak reduction function
CN103821222B (en) * 2014-02-17 2015-08-19 广州市市政工程设计研究总院 Take into account early-stage rainwater and the rain dirty mixing water overflow storage pond facility of flood peak reduction
CN104499561A (en) * 2014-10-23 2015-04-08 重庆大学 Urban rainwater runoff high-efficiency intercepting well and intercepting method
CN104499561B (en) * 2014-10-23 2016-04-06 重庆大学 A kind of efficient catchpit of city rainfall runoff and closure method
CN105178422A (en) * 2015-08-19 2015-12-23 湖南华沣科贸有限公司 Urban rainwater off-peak capacity regulation control device and urban rainwater off-peak capacity regulation control method

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C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 510060 Guangdong, Guangzhou City, East Central Road, Municipal Services Building, East staircase, No. 348

Patentee after: Guangzhou City Engineering Design studies total institute

Address before: 510060 Guangdong, Guangzhou City, East Central Road, Municipal Services Building, East staircase, No. 348

Patentee before: Guangzhou Municipal Engineering Design and Research Institute

Address after: 510060 Guangdong, Guangzhou City, East Central Road, Municipal Services Building, East staircase, No. 348

Patentee after: Guangzhou City Engineering Design studies total institute

Address before: 510060 Guangdong, Guangzhou City, East Central Road, Municipal Services Building, East staircase, No. 348

Patentee before: Guangzhou Municipal Engineering Design and Research Institute

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong, Yuexiu District

Patentee after: Guangzhou municipal engineering design and Research Institute Co., Ltd.

Address before: 510060 East staircase, Municipal Services Building, 348 East Ring Road, Guangzhou, Guangdong

Patentee before: Guangzhou City Engineering Design studies total institute