CN105220757A - A kind of combination unit processing road runoff rainwater - Google Patents
A kind of combination unit processing road runoff rainwater Download PDFInfo
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- CN105220757A CN105220757A CN201510609384.1A CN201510609384A CN105220757A CN 105220757 A CN105220757 A CN 105220757A CN 201510609384 A CN201510609384 A CN 201510609384A CN 105220757 A CN105220757 A CN 105220757A
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- pond
- diversion chamber
- mud guard
- combination unit
- rainwater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The present invention relates to rainwater treatment field, disclose a kind of combination unit processing road runoff rainwater, it comprises the first pond, diversion chamber and the second pond, diversion chamber is located between the first pond and the second pond, the upper end of diversion chamber is provided with perforated plate, the top of described diversion chamber is provided with miniature wetland unit, the top in the first pond and the second pond is respectively equipped with rain perforaled strainer, on rain perforaled strainer, heap is provided with cobble, mud guard and deflector is provided with in described first pond, described first basin bottom is provided with mud-collecting slot, the side of described mud-collecting slot is located at by described mud guard, and described mud guard is towards described diversion chamber lopsidedness, the pool wall in described second pond is provided with delivery port, and the described second pond pool wall relative with delivery port is provided with outlet pipe, for being connected with municipal storm sewer.The present invention can reach the object reducing the discharge of runoff rain water pollutant, can also reach the effect of cutting down runoff volume and runoff peak value.
Description
Technical field
The present invention relates to rainwater treatment technical field, particularly relate to a kind of combination unit processing road runoff rainwater.
Background technology
Road is a very important part in city construction planning and building, and road drainage design is a part indispensable in road construction.Along with the fast development of urbanization, path area constantly increases, and road drainage problem also faces new challenges, and tradition brings a series of rainwater problem based on the pipe drainage pattern of " arranging soon " to city:
(1) waterlogging takes place frequently: the increase day by day of waterproof path area causes comprehensive runoff coefficient to increase, and rainwater conflux speed is accelerated, and the concentration time shortens, and road runoff volume and peak value increase; Making traditional pipe drainage occur the phenomenon of " row is unequal to row ", when exceeding the load of drainage pipeline networks, forming waterlogging.
(2) runoff pollution is serious: after concentrating urbanization, road Permeable stratum area sharply increases, and because mankind's activity is frequent, causes runoff pollution serious.The deposits such as urban road earth's surface heavy metal, grease wash away to water body by rainfall, cause urban water-body seriously polluted, and part runoff permeates the ground polluted underground water source.It is reported, urban road runoff is respectively 50% and 30% to the suspension of receiving water body and hydrocarbons pollutant contribution rate.
(3) rainwater resource runs off: tradition is based on the road drainage pattern of " arranging soon ", focus on rainwater quick collecting and outlet duct road, do not incorporate the theory that rainwater " oozes, stores, adjusts " when road integrated planning designs, cause that peak flood flow increases, rainwater resource runs off in vain.In addition, traditional " arranging soon " theory does not follow the natural circulation of water resource, is difficult to play the effect regulating microenvironment and microclimate; And a large amount of storm-water drainage has increased the weight of the burden of pipe network and Wastewater Treatment Plant.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of combination unit processing road runoff rainwater, this device not only can remove floating thing, suspension and dissolubility pollutant in road runoff rainwater, reach the object reducing the discharge of runoff rain water pollutant, can also store stagnant for rainwater in device inside, reach the effect of cutting down runoff volume and runoff peak value.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of combination unit processing road runoff rainwater, it comprises the first pond, diversion chamber and the second pond, described diversion chamber is located between described first pond and the second pond, form concave shape, described diversion chamber is communicated with described first pond, described diversion chamber and described second pond separate, the upper end of described diversion chamber is provided with perforated plate, the top of described diversion chamber and be provided with miniature wetland unit between described first pond and the second pond, the top in described first pond and the second pond is respectively equipped with rain perforaled strainer, on described rain perforaled strainer, heap is provided with cobble, described first pond is used for docking with highway roadside stone gap, mud guard and deflector is provided with in described first pond, described mud guard, the bottom surface in deflector and described first pond is connected between two, the side bottom that described first pond is docked with highway is provided with mud-collecting slot, the side of described mud-collecting slot is located at by described mud guard, and described mud guard is towards described diversion chamber lopsidedness, the described second pond pool wall adjacent with described miniature wetland unit is provided with delivery port, and the described second pond pool wall relative with delivery port is provided with outlet pipe, and described outlet pipe is used for being connected with municipal storm sewer.
Wherein, described perforated plate surface uniform is provided with multiple through hole, and the below of described perforated plate is provided with support.
Wherein, the lower end of described mud guard is docked with the notch of described mud-collecting slot, angle between the bottom surface in described mud guard and described first pond is less than the angle between the bottom surface in described deflector and described first pond, and the link position of described mud guard and described deflector is higher than the position of described perforated plate.
Wherein, described angle is all less than 90 degree.
Wherein, described miniature wetland unit is equipped with hypothallus and plantation soil layer from the bottom to top, described plantation soil layer is planted and is implanted with plant.
Wherein, the apparent height of described plantation soil layer is lower than the apparent height of described rain perforaled strainer.
Wherein, the particle diameter of described cobble is greater than the aperture of described rain perforaled strainer; Cobble paving location above the rain perforaled strainer in described first pond is lower than bottom highway roadside stone gap.
Wherein, the setting height(from bottom) of described outlet pipe is lower than the height of described delivery port.
Wherein, described delivery port is multiple, is horizontally-arrangedly arranged on the described second pond pool wall adjacent with described miniature wetland unit by one; Geotextiles is laid in the hypothallus intersection of described delivery port and miniature wetland unit; Described delivery port is positioned in the middle part of the pool wall of miniature wetland unit, higher than mud guard and deflector top.
Wherein, described diversion chamber is separated by dividing plate and described second pond.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages:
A kind of combination unit processing road runoff rainwater provided by the invention, adopt and be respectively equipped with rain perforaled strainer at the top in the first pond and the second pond, on rain perforaled strainer, heap is provided with cobble, floating thing can be retained, described first pond is used for docking with highway roadside stone gap, mud guard and deflector is provided with in described first pond, described mud guard, the bottom surface in deflector and described first pond is connected between two, the side bottom that described first pond is docked with highway is provided with mud-collecting slot, the side of described mud-collecting slot is located at by described mud guard, and described mud guard is towards described diversion chamber lopsidedness, the upper end of described diversion chamber is provided with perforated plate, road rain water enters both sides greenbelt through curb gap, on the first pond cobble retain floating thing after in described first pond preliminary sedimentation, mud after precipitation is along mud guard landing in mud-collecting slot, the top that rainwater after precipitation overflows across mud guard flows into diversion chamber along deflector, current enter miniature wetland unit through perforated plate, at the inner upstream of miniature wetland unit, after miniature wetland unit process, rainwater drains into the second pond through delivery port, again drains into municipal storm sewer by outlet pipe after precipitation, reaches the object of Rainwater Quality purification.The present invention not only can remove floating thing, suspension and dissolubility pollutant in road runoff rainwater, reaches the object reducing the discharge of runoff rain water pollutant; Also can store stagnant for rainwater in device inside, reach the effect of cutting down runoff volume and runoff peak value.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure sectional drawing processing the combination unit of road runoff rainwater of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the plan view of perforated plate of the present invention;
Fig. 4 is the layout plan of delivery port of the present invention;
Fig. 5 is the plan view of rain perforaled strainer of the present invention;
Fig. 6 is the plan view of support of the present invention;
Fig. 7 is the sectional drawing of support of the present invention;
Fig. 8 is the annexation schematic diagram of mud guard of the present invention and deflector;
Fig. 9 is the combination schematic diagram of mud guard of the present invention, deflector and support.
In figure: 1: highway; 2: curb; 3: highway roadside stone gap; 4: cobble; 5: plant; 6: rain perforaled strainer; 7: the first ponds; The bottom surface in 8: the first ponds; 9: mud guard; 10: deflector; 11: diversion chamber; 12: mud-collecting slot; 13: support; 14: perforated plate; 15: hypothallus; 16: miniature wetland unit; 17: plantation soil layer; 18: dividing plate; 19: delivery port; 20: the second ponds; 21: outlet pipe; 22: greenbelt.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following instance for illustration of the present invention, but is not used for limiting the scope of the invention.
In describing the invention, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In addition, in describing the invention, except as otherwise noted, the implication of " multiple ", " many ", " many groups " is two or more.
As shown in Figure 1-2, for a kind of combination unit processing road runoff rainwater provided by the invention, it comprises the first pond 7, diversion chamber 11 and the second pond 20, described diversion chamber 11 is located between described first pond 7 and the second pond 20, form concave shape, described diversion chamber 11 is communicated with described first pond 7, described diversion chamber 11 is separated by dividing plate 18 and described second pond 20, the upper end of described diversion chamber 11 is provided with perforated plate 14, the top of described diversion chamber 11 and between described first pond 7 and the second pond 20 (being namely positioned at the middle part of described concave shape) be provided with miniature wetland unit 16, the top in described first pond 7 and the second pond 20 is respectively equipped with rain perforaled strainer 6, on described rain perforaled strainer 6, heap is provided with cobble 4, for retaining floating thing, described first pond 7 is for docking with highway 1, highway 1 both sides is provided with greenbelt 22, the combination unit of this process road runoff rainwater is arranged in greenbelt 22, described highway 1 limit is provided with curb 2, described curb 2 place is provided with the highway roadside stone gap 3 connected with described first pond 7, as Figure 8-9, mud guard 9 and deflector 10 is provided with in described first pond 7, described mud guard 9, the bottom surface in deflector 10 and described first pond 7 is connected between two, the side bottom that described first pond 7 is docked with highway 1 is provided with mud-collecting slot 12, described mud-collecting slot 12 is arranged along the length direction of side, place pool wall, the side of described mud-collecting slot 12 is located at by described mud guard 9, and described mud guard 9 is towards described diversion chamber 11 lopsidedness, road rain water enters greenbelt 22 through highway roadside stone gap 3, after on described first pond 7, cobble 4 retains floating thing, preliminary sedimentation in described first pond 7, mud after precipitation is along mud guard 9 landing in mud-collecting slot 12, the top that rainwater after precipitation overflows across mud guard 9 flows into diversion chamber 11 along deflector 10, current enter miniature wetland unit 16 from the bottom to top through perforated plate 14, and miniature wetland unit 16 is equipped with hypothallus 15 and plantation soil layer 17 from the bottom to top, and described plantation soil layer 17 is planted and is implanted with plant 5, rainwater processes further through miniature wetland unit 16, delivery port 19 is provided with in the middle part of the pool wall that described second pond 20 is adjacent with described miniature wetland unit 16, preferably, as shown in Figure 4, described delivery port 19 is multiple, multiple described delivery port 19 is horizontally-arrangedly arranged in the middle part of the pool wall adjacent with described miniature wetland unit 16 of described second pond 20 by one, for while draining, described second pond 20 pool wall relative with delivery port 19 is provided with outlet pipe 21, described outlet pipe 21 setting position is lower than delivery port 19, and described outlet pipe 21 is for being connected with municipal storm sewer, rainwater after miniature wetland unit 16 processes drains into the second pond 20 through delivery port 19, again drains into municipal storm sewer by outlet pipe 21 after precipitation, reaches the object of Rainwater Quality purification.This device not only can remove floating thing, suspension and dissolubility pollutant in road runoff rainwater, reaches the object reducing the discharge of runoff rain water pollutant; Also can store stagnant for rainwater in device inside, reach the effect of cutting down runoff volume and runoff peak value.
As shown in Figure 3, described perforated plate 14 surface uniform is provided with multiple through hole, and as shown in fig. 6-7, the below of described perforated plate 14 is provided with support 13, and described support 13 is many, and many supports 13 are evenly arranged in diversion chamber 11, for supporting described perforated plate 14.
Wherein, the lower end of described mud guard 9 is preferably docked with the notch of described mud-collecting slot 12, being convenient to precipitating sludge flows directly in mud-collecting slot 12, angle α between the bottom surface 8 in described mud guard 9 and described first pond 7 is less than the angle β between the bottom surface 8 in described deflector 10 and described first pond 7, its section is non-isosceles acute triangle, and the link position of described mud guard 9 and described deflector 10 is higher than the position of described perforated plate 14, to ensure that rainwater overflow after precipitation enters diversion chamber 11.Described angle α and β is all less than 90 degree.
As shown in Figure 1, the apparent height of described plantation soil layer 17, lower than the apparent height of described rain perforaled strainer 6, so that when amount of rainfall is large, directly infilters into this miniature wetland unit 16 from the upper surface of plantation soil layer 17.
As shown in Figure 5, described rain perforaled strainer 6 is provided with and arranges drain hole more; In order to avoid cobble 4 blocks the aperture of rain perforaled strainer 6, the particle diameter of described cobble 4 is greater than the aperture of described rain perforaled strainer 6.Cobble 4 paving location above the rain perforaled strainer 6 in described first pond 7 is lower than the bottom of highway roadside stone gap 3; Trickle to facilitate rainwater and enter the first pond 7.
Preferably, the setting height(from bottom) of described outlet pipe 21 lower than the height of described delivery port 19, to facilitate secondary precipitation and draining.Described delivery port 19 lays geotextiles with hypothallus 15 intersection of miniature wetland unit 16, flows downstream enter the second pond 20 and the hypothallus 15 that detracts from delivery port 19 to prevent hypothallus 15; Preferably, described delivery port 19 is positioned in the middle part of the pool wall of miniature wetland unit 16, higher than mud guard and deflector top.
The course of work of the present invention is: make road runoff rainfall runoff enter to greenbelt 22 on both sides of the road along highway roadside stone gap 3, flow into the first pond 7 after the cobble 4 on rain perforaled strainer 6 retains large floating thing, after mud guard 9 pairs of current energy dissipating reflections, suspension in runoff rainwater slips in mud-collecting slot 12 along mud guard 9 under gravity, current overflow enters diversion chamber 11 along deflector 10, after support 13 uniform water distribution in diversion chamber 11, miniature wetland unit 16 is entered by the through hole on perforated plate 14, current enter miniature wetland unit 16 in the upwards mode of infiltrating, miniature wetland unit 16 internal liquid level constantly rises, when liquid level is to delivery port 19, the rainwater purified through miniature wetland unit 16 drains into the second pond 20 by a discharge mouth of a river 19, rainwater after purification is after the second pond 20 secondary precipitation, storm sewer is drained into by outlet pipe 21.
When runoff rainwater flow be greater than miniature wetland unit 16 ooze accumulation of energy power time, rainwater does not enter miniature wetland unit 16 by means of only the through hole of perforated plate 14, also enter miniature wetland unit 16 by the top overflow in the first pond 7, rainwater enters miniature wetland unit 16 with upward flow and the lower complex method to stream, miniature wetland unit 16 internal liquid level constantly rises, when liquid level is to the delivery port 19 of miniature wetland unit 16, the rainwater purified through miniature wetland unit 16 drains into the second pond 20 by a discharge mouth of a river 19, rainwater after purification is after the secondary precipitation in the second pond 20, storm sewer is drained into by outlet pipe 21.Exceed miniature wetland unit 16 and ooze the rainwater of the amount of storing after the cobble 4 above the second pond 20 and rain perforaled strainer 6 remove floating thing and suspension, directly enter the second pond 20, the rainwater after the second pond 20 is precipitated drains into municipal storm sewer by outlet pipe 21.
As can be seen from the above embodiments, the present invention can not only remove floating thing, suspension and dissolubility pollutant in road runoff rainwater, reaches the object reducing the discharge of runoff rain water pollutant; Also can store stagnant for rainwater in device inside, reach the effect of cutting down runoff volume and runoff peak value.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind processes the combination unit of road runoff rainwater, it is characterized in that, comprise the first pond, diversion chamber and the second pond, described diversion chamber is located between described first pond and the second pond, described diversion chamber is communicated with described first pond, described diversion chamber and described second pond separate, the upper end of described diversion chamber is provided with perforated plate, the top of described diversion chamber and be provided with miniature wetland unit between described first pond and the second pond, the top in described first pond and the second pond is respectively equipped with rain perforaled strainer, on described rain perforaled strainer, heap is provided with cobble, described first pond is used for docking with highway roadside stone gap, mud guard and deflector is provided with in described first pond, described mud guard, the bottom surface in deflector and described first pond is connected between two, the side bottom that described first pond is docked with highway is provided with mud-collecting slot, the side of described mud-collecting slot is located at by described mud guard, and described mud guard is towards described diversion chamber lopsidedness, the described second pond pool wall adjacent with described miniature wetland unit is provided with delivery port, and the described second pond pool wall relative with delivery port is provided with outlet pipe, and described outlet pipe is used for being connected with municipal storm sewer.
2. the combination unit of process road runoff rainwater as claimed in claim 1, it is characterized in that, described perforated plate surface uniform is provided with multiple through hole, and the below of described perforated plate is provided with support.
3. the combination unit of process road runoff rainwater as claimed in claim 1, it is characterized in that, the lower end of described mud guard is docked with the notch of described mud-collecting slot, angle between the bottom surface in described mud guard and described first pond is less than the angle between the bottom surface in described deflector and described first pond, and the link position of described mud guard and described deflector is higher than the position of described perforated plate.
4. the combination unit of process road runoff rainwater as claimed in claim 3, it is characterized in that, described angle is all less than 90 degree.
5. the combination unit of process road runoff rainwater as claimed in claim 1, it is characterized in that, described miniature wetland unit is equipped with hypothallus and plantation soil layer from the bottom to top, described plantation soil layer is planted and is implanted with plant.
6. the combination unit of process road runoff rainwater as claimed in claim 5, is characterized in that, the apparent height of described plantation soil layer is lower than the apparent height of described rain perforaled strainer.
7. the combination unit of process road runoff rainwater as claimed in claim 1, it is characterized in that, the particle diameter of described cobble is greater than the aperture of described rain perforaled strainer; Cobble paving location above the rain perforaled strainer in described first pond is lower than bottom highway roadside stone gap.
8. the combination unit of process road runoff rainwater as claimed in claim 1, is characterized in that, the setting height(from bottom) of described outlet pipe is lower than the height of described delivery port.
9. the combination unit of process road runoff rainwater as claimed in claim 8, it is characterized in that, described delivery port is multiple, is horizontally-arrangedly arranged on the described second pond pool wall adjacent with described miniature wetland unit by one; Geotextiles is laid in the hypothallus intersection of described delivery port and miniature wetland unit; Described delivery port is positioned in the middle part of the pool wall of miniature wetland unit, higher than mud guard and deflector top.
10. the combination unit of process road runoff rainwater as claimed in claim 1, it is characterized in that, described diversion chamber is separated by dividing plate and described second pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510609384.1A CN105220757B (en) | 2015-09-22 | 2015-09-22 | Combined device for treating road runoff rainwater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510609384.1A CN105220757B (en) | 2015-09-22 | 2015-09-22 | Combined device for treating road runoff rainwater |
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| CN105220757A true CN105220757A (en) | 2016-01-06 |
| CN105220757B CN105220757B (en) | 2017-03-22 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105621816A (en) * | 2016-03-16 | 2016-06-01 | 华南理工大学 | Multi-stage city diffused pollution purifying treatment groove |
| CN106049601A (en) * | 2016-07-27 | 2016-10-26 | 中国电建集团西北勘测设计研究院有限公司 | Collection, storage, and drain integrated rainfall flood holding up culvert and rainwater resource method |
| CN108104247A (en) * | 2017-11-28 | 2018-06-01 | 北京建筑大学 | There is the non-recessed biological delaying basin of mixed flow of early-stage rainwater stream abandoning |
| CN109235182A (en) * | 2018-09-28 | 2019-01-18 | 浙江广安建设有限公司 | A kind of sponge-type road pavement structure |
| CN109629654A (en) * | 2018-12-26 | 2019-04-16 | 中冶南方工程技术有限公司 | A kind of pretreatment formula road rain water port system |
| CN112119799A (en) * | 2020-09-23 | 2020-12-25 | 安徽小荷农业科技有限公司 | Sweet potato seedling raising pond drainage device |
| CN112733467A (en) * | 2020-12-28 | 2021-04-30 | 重庆大学 | Method for setting opening angle of water inlet of grass planting ditch on road |
| CN113896383A (en) * | 2021-11-25 | 2022-01-07 | 北控水务(中国)投资有限公司 | Bank slope surface source pollution treatment system and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112119799A (en) * | 2020-09-23 | 2020-12-25 | 安徽小荷农业科技有限公司 | Sweet potato seedling raising pond drainage device |
| CN112733467A (en) * | 2020-12-28 | 2021-04-30 | 重庆大学 | Method for setting opening angle of water inlet of grass planting ditch on road |
| CN113896383A (en) * | 2021-11-25 | 2022-01-07 | 北控水务(中国)投资有限公司 | Bank slope surface source pollution treatment system and construction method |
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| Publication number | Publication date |
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| CN105220757B (en) | 2017-03-22 |
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