CN106284619A - Water storage structure of urban runoff unit - Google Patents
Water storage structure of urban runoff unit Download PDFInfo
- Publication number
- CN106284619A CN106284619A CN201610885621.1A CN201610885621A CN106284619A CN 106284619 A CN106284619 A CN 106284619A CN 201610885621 A CN201610885621 A CN 201610885621A CN 106284619 A CN106284619 A CN 106284619A
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- CN
- China
- Prior art keywords
- sedimentation tank
- cistern
- reservoir
- water
- water storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000003860 storage Methods 0.000 title claims abstract description 17
- 238000004062 sedimentation Methods 0.000 claims abstract description 61
- 239000010865 sewage Substances 0.000 claims description 11
- 206010016807 Fluid retention Diseases 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 241000521257 Hydrops Species 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013439 planning Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- 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
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses a water storage structure of an urban runoff unit, wherein a sedimentation tank and a reservoir are built below an urban highway, a water through hole is arranged at the upper part of a separation wall between the sedimentation tank and the reservoir, a water grate is arranged above the sedimentation tank, the sedimentation tank and the reservoir are provided with air ducts communicated with the outside, the upper ends of the air ducts are placed in a flower bed of a sidewalk for discharging air in the sedimentation tank and the reservoir, the bottom of one side of the sedimentation tank and the reservoir is provided with a dredging groove, the dredging groove is lower than the sedimentation tank and the reservoir, the bottom surfaces of the sedimentation tank and the reservoir gradually incline towards the direction of the dredging groove to form an inclined plane with a gradient alpha, drain outlets are respectively arranged above the sedimentation tank and the reservoir and are sealed by drain outlet cover plates, and pedestrian ladders which are respectively opposite to the corresponding drain outlets are arranged in the sedimentation tank and the reservoir. The urban waterlogging water storage system has the advantages of low cost, strong water storage capacity and high implementability, thoroughly solves the problem of urban waterlogging, and can recycle the accumulated rainwater.
Description
Technical field
The present invention relates to municipal works technical field, be particularly used for solving the runoff unit water-retention knot of urban waterlogging
Structure.
Background technology
Present stage does not use the method that water filling solves urban waterlogging problem.Common practice is to utilize existing city
Greenery patches and footpath reconstruction " sponge city ", international term is " low impact exploitation storm-water system builds ", and its principle is: under
Water suction, water-retention, infiltration, water purification during rain, " discharge the water stored " and be used when needing.
Existing problems:
First, city is " an inch of land is an inch of gold ", it is impossible to scattered, build urban green space in large area, to sponge city
Build and cause difficulty；
Second, the old city built up, involve the series of problems such as removal, be not easy to sponge city integrated planning and
Implement；
3rd, the area that sponge city is covered, for the entire area in city, proportion is the least, and it is former
Reason is to utilize " modular " water suction and water storage, and its water suction and storage capacity are the most weak, seem helpless when in the face of torrential rain；
4th, modular that " sponge city " is utilized water suction water storage mechanism, easily silt up, and be not easily cleaned, running
Severe i.e. may be stranded after 1 year to silt up and its water suction water storage function that scatters and disappears；
5th, " sponge city " cost is high, and every square kilometre reaches 1～1.5 hundred million yuan.
Summary of the invention
The present invention is directed to above-mentioned technical problem improve, it is desirable to provide a kind of low cost, water-holding capacity are strong, exploitativeness
The water storage structure of high urban runoff unit, thoroughly solve urban waterlogging problem, and the rainwater of savings can be again with.
To this end, the technical solution adopted in the present invention is: the water storage structure of a kind of urban runoff unit, including sedimentation tank and
Cistern, described sedimentation tank and cistern build below municipal highway, and one in front and one in back sets along the bearing of trend of municipal highway
Putting, build reduction town road above sedimentation tank and cistern, the divider wall top between sedimentation tank and cistern sets
Putting water hole, make the rainwater after sedimentation tank precipitates enter cistern, the intensity that is provided above at sedimentation tank enough carries weight
The shutter grate of type vehicle, described sedimentation tank, cistern be provided with and the extraneous breather line communicated, and the upper end of breather line is placed in
For being discharged by the air in sedimentation tank, cistern in the flower stand of footpath, the side bottom at sedimentation tank, cistern is arranged clearly
Silt groove, described desilting groove is lower than sedimentation tank, cistern, and the bottom surface of sedimentation tank, cistern gradually tilts towards the direction of desilting groove
Forming the inclined-plane of gradient α, described sedimentation tank, the top of cistern are respectively arranged with sewage draining exit and are sealed by drain cover,
The People's Bank of China's ladder just to each self-corresponding sewage draining exit it is provided with in described sedimentation tank, cistern.
Operation principle: when heavy rain makes street hydrops, a part of rainwater from city existing sewer drain, it is impossible to row
The part walked, by highway runoff, when flowing through above sedimentation tank, flows into sedimentation tank by shutter grate.Glar in sedimentation tank
After sand, by the water hole above divider wall, enter cistern.Cistern size and volume are built after calculating, it is sufficient to hold
Nanotesla torrential rain and the city hydrops that causes.So, after the rainwater in Mei Tiao street enters cistern nearby, go up the most not in the street
Can there is hydrops again.
Preferred as such scheme, the shutter grate that described sedimentation tank is provided above totally two, time interval ground horizontally set,
The water on municipal highway is made to flow in sedimentation tank in time.
Further, described sedimentation tank, the left and right sides of cistern are each provided with a breather line, described breather line in
" Z " font, the two ends at breather line is provided with passage filter screen, optimizes the structure of vent line, it is to avoid vent line
Blocking, and reduce manufacturing cost, convenient installation.
Further, the water hole on described divider wall top is provided with water hole filter screen, makes the rainwater after precipitation flow into
Again filter during cistern.
Beneficial effects of the present invention:
(1), urban waterlogging problem can thoroughly be solved.
(2), do not take up an area, do not remove.
(3), small investment.One-time investment, is benefited forever.Estimate that every square kilometre of investment is less than 30,000,000 yuan, and extra large
Continuous every square kilometre of city investment reaches 1 1.5 hundred million yuan, and this scheme ratio " sponge city " saves 5 times of funds.
(4), the rainwater of savings can be again with.At economic development, under the situation that city size is increasing, it is subject to
The impact of Global climate change, water resource is the deficientest.The savings of urban rainwater utilizes, and not only can solve urban waterlogging problem,
And can effectively alleviate Urban Water Shortage Problem of Cities.
(5), later maintenance simple, maintenance cost is extremely low.
Accompanying drawing explanation
Fig. 1 is the top view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is B1-B1, B2-B2 sectional view of Fig. 1.
Fig. 4 is C1-C1, C2-C2 sectional view of Fig. 1.
Fig. 5 is the side view of divider wall in the present invention.
Detailed description of the invention
Below by embodiment and combine accompanying drawing, the invention will be further described:
Shown in Fig. 1 Fig. 5, the water storage structure of a kind of urban runoff unit, by sedimentation tank 1, cistern 2, divider wall
3, water hole 4, shutter grate 5, breather line 6, desilting groove 7, sewage draining exit 8, drain cover 9, People's Bank of China's ladder 10, passage filter screen 11 and
Water hole filter screen 12 forms.
Sedimentation tank 1 and cistern 2 are built below municipal highway, and one in front and one in back set along the bearing of trend of municipal highway
Putting, sedimentation tank 1 and cistern 2 are almost wide with municipal highway, to improve sedimentation tank 1 and the volume of cistern 2 under same length.
Above sedimentation tank 1 and cistern 2, build reduction town road, do not affect the current of existing town road.
Divider wall 3 top between sedimentation tank 1 and cistern 2 arranges water hole 4, makes after sedimentation tank 1 precipitates
Rainwater flows into cistern 2 through water hole 4.The intensity that is provided above at sedimentation tank 1 enough carries the shutter grate 5 of heavy vehicle, best
It is, at the shutter grate 5 totally two that sedimentation tank 1 is provided above, time interval ground horizontally set.
Sedimentation tank 1, cistern 2 are provided with the breather line 6 communicated with the external world, and the upper end of breather line 6 is placed in People's Bank of China
For being discharged by the air in sedimentation tank 1, cistern 2 in the flower stand in road, it is not take up footpath, when rainwater water inlet sedimentation tank 1 He
Time in cistern 2, in pond, air can be discharged by respective breather line 6.Preferably, sedimentation tank 1, the left and right two of cistern 2
Side is each provided with a breather line 6, and breather line 6 is provided with passage in " Z " font, the two ends at breather line 6
Filter screen 11.
A side bottom at sedimentation tank 1, cistern 2 arranges desilting groove 7, and desilting groove 7 is lower than sedimentation tank 1, cistern 2, and
Sedimentation tank 1, the bottom surface of cistern 2 are gradually formed slopely the inclined-plane of gradient α towards the direction of desilting groove 7, it is simple to be deposited at the bottom of pond
Silt particle enters in desilting groove 7.
Sedimentation tank 1, the top of cistern 2 are respectively arranged with sewage draining exit 8 and are sealed by drain cover 9, sedimentation tank 1,
The People's Bank of China's ladder 10 just to each self-corresponding sewage draining exit 8 it is provided with, it is simple to artificial enter in pond desilting smoothly or by dirt in cistern 2
Water pump enters for 8 to extract mud and sewage in pond out from sewage draining exit.
It is provided with water hole filter screen 12 on the water hole 4 on divider wall 3 top, divider wall 3 is preferably evenly equipped with several mistakes
Water hole 4.
Avenue is divided into several surface runoff unit (so-called surface runoff unit, it is simply that in this region,
Its surface water can be substantially to a direction flowing), at the low-lying place of highway of each surface runoff unit, urban runoff unit is set
Water storage structure.
It is embodied as step as follows:
The first step: actual measurement Large-scale Urban (such as 1:2000) topography.
Second step: according to hypsographic map, in conjunction with on-the-spot field inspection avenue distribution situation, divide several
" surface runoff unit ".
3rd step: collect urban history rainfall data, average rainfall particularly over the years and historic flood level, flooded
High water level etc..
4th step: planning and designing.
(I), according to the average rainfall in this urban storm season, the areal rainfall in this city is calculated.Further according to centre plane rain
Amount calculates total rainfall of each surface runoff unit.
(II), at the low-lying place of highway of each runoff unit planning sedimentation tank and cistern, can be one, it is also possible to
It is multiple.The total measurement (volume) of cistern is greater than total rainfall of calculating.
(III), feasibility study.
Feasibility study stage, should ask and be expounded through peer review and check.In Method for Checking can use anti-inference method, i.e. this runoff unit
Cistern total measurement (volume), if more than the water accumulating volume during peak level flooded in this runoff unit.Carry out appropriation budget simultaneously.
Check formula: W >=(S1-S2)h
In formula, cistern total measurement (volume) in W--runoff unit
S1The surface runoff unit gross area
S2Building occupied area in runoff unit
H this unit extreme high water average height
(IV), construction drawing design
On the basis of feasibility study, further prioritization scheme, carry out cistern, sewage draining exit, the construction of highway bridge set
Meter.
5th step: construction
Affect traffic less for construction period, in urban district, segmentation is constructed.Close this section of highway about 3 months, strictly
According to design and construction.Constructed before flood season arrives complete.
6th step: the later stage uses and safeguards
Very heavy rains when, cistern starts water-retention.After every heavy rain, the water in cistern should be checked immediately
Position.As reaching a certain height, it is necessary to water pump, water is evacuated to surface drainage system and discharges, remove mud with sewage pump, it is simple under
Water-retention is continued during secondary very heavy rains.
Annual late April to late August is major flood season, in this time stage, it is necessary to keep whole cistern to be in vacant
State.August savings water, can retain, clean street, urban afforestation water, fire demand water, industrial for municipal sector
Water.When serious water shortage, it is possible to for people and animals' drinking water after disinfecting.
Claims (4)
1. the water storage structure of a urban runoff unit, it is characterised in that: include sedimentation tank (1) and cistern (2), described precipitation
Pond (1) and cistern (2) are built below municipal highway, and one in front and one in back arrange along the bearing of trend of municipal highway, in precipitation
Reduction town road is built in the top of pond (1) and cistern (2), the divider wall (3) between sedimentation tank (1) and cistern (2)
Top arranges water hole (4), makes the rainwater after sedimentation tank (1) precipitates enter cistern (2), in the top of sedimentation tank (1)
Arranging intensity and enough carry the shutter grate (5) of heavy vehicle, described sedimentation tank (1), cistern (2) are provided with logical with what the external world communicated
Feed channel (6), the flower stand that the upper end of breather line (6) is placed in footpath is interior for by sedimentation tank (1), cistern (2)
Air is discharged, and the side bottom at sedimentation tank (1), cistern (2) arranges desilting groove (7), and described desilting groove (7) compares sedimentation tank
(1), cistern (2) low, and the bottom surface of sedimentation tank (1), cistern (2) is gradually formed slopely gradient α towards the direction of desilting groove (7)
Inclined-plane, described sedimentation tank (1), the top of cistern (2) be respectively arranged with sewage draining exit (8) and by drain cover (9) seal
Live, in described sedimentation tank (1), cistern (2), be provided with People's Bank of China's ladder (10) just to each self-corresponding sewage draining exit (8).
2. according to the water storage structure of the urban runoff unit described in claim 1, it is characterised in that: described sedimentation tank (1) top
The shutter grate (5) totally two arranged, time interval ground horizontally set.
3. according to the water storage structure of the urban runoff unit described in claim 1, it is characterised in that: described sedimentation tank (1), water-retention
The left and right sides in pond (2) is each provided with a breather line (6), and described breather line (6) is in " Z " font, in breather line (6)
Two ends be provided with passage filter screen (11).
4. according to the water storage structure of the urban runoff unit described in claim 1, it is characterised in that: described divider wall (3) top
Water hole (4) on be provided with water hole filter screen (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885621.1A CN106284619A (en) | 2016-10-11 | 2016-10-11 | Water storage structure of urban runoff unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885621.1A CN106284619A (en) | 2016-10-11 | 2016-10-11 | Water storage structure of urban runoff unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106284619A true CN106284619A (en) | 2017-01-04 |
Family
ID=57717235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610885621.1A Pending CN106284619A (en) | 2016-10-11 | 2016-10-11 | Water storage structure of urban runoff unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106284619A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055798A (en) * | 2017-04-24 | 2017-08-18 | 浙江中景市政园林建设有限公司 | A kind of town road drainage system |
| CN113455342A (en) * | 2021-07-06 | 2021-10-01 | 南昌工程学院 | Water-saving irrigation system for slope water and soil conservation |
| CN113502900A (en) * | 2021-07-28 | 2021-10-15 | 北京市市政工程设计研究总院有限公司 | Rainwater recycling system integrating functions of precipitation, filtration and stagnation storage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6277274B1 (en) * | 1999-04-16 | 2001-08-21 | Larry Steven Coffman | Method and apparatus for treating stormwater runoff |
| CN203475587U (en) * | 2013-08-06 | 2014-03-12 | 黄明逸 | Road rainwater collecting and utilizing device |
| CN203795512U (en) * | 2014-04-21 | 2014-08-27 | 江苏南通二建集团有限公司 | Rainwater recycling device |
| CN205171636U (en) * | 2015-11-25 | 2016-04-20 | 浙江荣林环境工程有限公司 | Urban road rainwater collection utilization system |
-
2016
- 2016-10-11 CN CN201610885621.1A patent/CN106284619A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6277274B1 (en) * | 1999-04-16 | 2001-08-21 | Larry Steven Coffman | Method and apparatus for treating stormwater runoff |
| CN203475587U (en) * | 2013-08-06 | 2014-03-12 | 黄明逸 | Road rainwater collecting and utilizing device |
| CN203795512U (en) * | 2014-04-21 | 2014-08-27 | 江苏南通二建集团有限公司 | Rainwater recycling device |
| CN205171636U (en) * | 2015-11-25 | 2016-04-20 | 浙江荣林环境工程有限公司 | Urban road rainwater collection utilization system |
Non-Patent Citations (1)
| Title |
|---|
| 郑丽娟等: "《雨水利用技术与管理》", 31 January 2015 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055798A (en) * | 2017-04-24 | 2017-08-18 | 浙江中景市政园林建设有限公司 | A kind of town road drainage system |
| CN107055798B (en) * | 2017-04-24 | 2020-10-27 | 浙江中景市政园林建设有限公司 | Town road drainage system |
| CN113455342A (en) * | 2021-07-06 | 2021-10-01 | 南昌工程学院 | Water-saving irrigation system for slope water and soil conservation |
| CN113455342B (en) * | 2021-07-06 | 2022-07-08 | 南昌工程学院 | Water-Saving Irrigation System for Slope Soil and Water Conservation |
| CN113502900A (en) * | 2021-07-28 | 2021-10-15 | 北京市市政工程设计研究总院有限公司 | Rainwater recycling system integrating functions of precipitation, filtration and stagnation storage |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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