CN104005523A - Flat roof rainwater regulation and storage device and method - Google Patents
Flat roof rainwater regulation and storage device and method Download PDFInfo
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- CN104005523A CN104005523A CN201410262803.4A CN201410262803A CN104005523A CN 104005523 A CN104005523 A CN 104005523A CN 201410262803 A CN201410262803 A CN 201410262803A CN 104005523 A CN104005523 A CN 104005523A
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- regulating
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- pipeline section
- filter frame
- rain water
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The invention discloses a flat roof rainwater regulation and storage device and method. The flat roof rainwater regulation and storage device comprises a regulation and storage pipe section and a connecting pipe section. The regulation and storage pipe section is provided with a plurality of regulation and storage outlets from top to bottom. The connecting pipe section is used for connecting the regulation and storage pipe section and a building roof rainwater down pipe. The pipe diameter of a regulation and storage pipe is larger than that of the building roof rainwater down pipe. An enclosure filtering frame is arranged on the outer periphery of the regulation and storage pipe section. According to the device and method, peak flow can be effectively lowered, city inner inundation can be relieved, initial stage runoff pollution is controlled, combined system overflow pollution is lowered, a city sponge function is improved, and city development sustainability is improved.
Description
Technical field
The present invention relates to outdoor drainage, rainwater processing technology field, relate in particular to a kind of flat roof rain water regulate and store device and the method for regulating and storing.
Background technology
Along with the fast development of urbanization, waterproof region area increases sharply, blocked rainwater under ooze passage, destroyed the natural circulation process of rainwater.Tradition drainage system against rain design take " row soon " be guiding theory, result causes the increase of downstream drainage pipeline pressure, combined sewer overflow (CSO) and waterlogging to take place frequently.Particularly, in China, heavy rain causes drainage pipeline networks overflow event constantly to occur in recent years, and combined sewer overflow pollutes to water body and brought serious pollution, has had a strong impact on resident living and has brought huge economic loss.Therefore, traditional drainage system against rain has been difficult to adapt to the demand of urbanization fast development.Conventionally cause that the principal element that city waterlogging and combined sewer overflow occur not is the water yield, but the time that the size of peak flow and peak value occur.Developed country is for the above-mentioned rainwater problem facing in Process of Urbanization, a series of new storm water management theories have been proposed, as low impact exploitation (LID), sustainable drainage system against rain (SUDS), water sensitivity urban design (WSUD), green infrastructure (GIS) etc., these theories are all emphasized by distributed facility, to control rainfall runoff in source, place, but because China's Land Development intensity is generally higher, limited to a certain extent applying of these measures.For tackling these complicated urban rainwater problems, the Current Situation such as large in conjunction with China's mining inetesity that at present some cities face, place is limited, waterlogging takes place frequently, combined sewer overflow is seriously polluted, the facility of regulating and storing is more and more used in the management of urban rainwater, regulate and store facility as a kind of effective method of tackling city waterlogging and combined sewer overflow pollution, in Urban Storm Flood control utilizes system constructing and draining waterlogging control program, occupy consequence.
The facility of regulating and storing can be divided into natural facility and the Artificial Regulation facility of regulating and storing, and self-assembling formation is original often just exists for the natural facility of regulating and storing, as swag, wetland, river course, lake etc.Artificial Regulation facility is the various facilities of regulating and storing through artificial design, construction, as storage pond, the tunnel of regulating and storing, sunk type square, parking lot, landscape water body, pipe network are regulated and stored etc.Owing to not taking effective protection measure in most domestic Process of Urban Development; result causes the natural facility of regulating and storing to be landfilled or to take; city " sponge effect " is weak or lose; while bringing inevitable destruction when naturally regulating and storing due to urbanization fast, engineering is regulated and stored will become one of effective measures of urban rainwater management.The facility of regulating and storing of Engineering-type can be alleviated the waterlogging pressure increasing due to Site development, and engineering is regulated and stored facility often because the problems such as occupation of land scale is large, cost of investment is high, land used restriction are restricted in actual applications.China's big and medium-sized cities roofing area generally accounts for the 30-60% of urban land, and Urban roof is not only a unemployed huge space resources, is also one of main contributions person who aggravates in Site development process urban rainwater problem simultaneously.Regulate and store in source in roof, the effect that performance is regulated and stored is more effective, and construction cost is low, is convenient to maintenance management, and can effectively utilize Urban Roof space resources.Therefore, in the higher old town of urban architecture density or other high-density development region, regulate and store and can be used as one of method of controlling city waterlogging and combined sewer overflow in roof.
Summary of the invention
Single in order to solve existing outdoor drainage system function design, ignore comprehensive storm water management, the city ability of regulating and storing is low, meet easily waterlogging of rain, combined sewer overflow pollutions etc. are to people's person, the severe contamination of the harm that property brings and the water body that causes and the destruction to ecological environment, effectively realize the controlled discharge to rainwater, peak flow is cut down, alleviate the pressure of city present situation pipe network, effectively reducing city waterlogging risk and combined sewer overflow pollutes, increase the sponge function in city, rain water on roof is filtered and can utilize facility to combine with rainwater recycle simultaneously, saving water resource to a certain extent, alleviate urban water use nervous.One of object of the present invention is to provide a kind of flat roof rain water device of regulating and storing; Two of object of the present invention is to provide a kind of flat roof rain water method of regulating and storing.
For achieving the above object one, the present invention has adopted following technical scheme:
A kind of flat roof rain water device of regulating and storing, comprise the pipeline section of regulating and storing, connect pipeline section, the described pipeline section of regulating and storing arranges a plurality of outlets of regulating and storing from top to bottom, described connection pipeline section for will described in the pipeline section of regulating and storing be connected with building roofing rainwater down pipe, described in the regulate and store caliber of pipeline section be greater than the caliber of building roofing rainwater down pipe; Circle or slotted eye that the described outlet of regulating and storing is the line style hole of strip or dispersion.
In the periphery of the described pipeline section of regulating and storing, be provided with and enclose filter frame, filtration is housed in filter frame
filler, filter packing can adopt gravel, cobble or other to have the material of filter effect; Described enclose filter frame integral body can be for circular, rectangle or
other shape.
Described enclosing, on filter frame, be provided with supporting frame lid, described frame lid by fixing magnetic padlock with enclose filter frame and be connected, described in described fixedly magnetic padlock is arranged at, enclose filter frame top surrounding.
In the described pipeline section surrounding of regulating and storing, be provided with fixed support, by will regulate and store pipeline section and filter frame of fixed support, fix.
At the described pipeline section top of regulating and storing, be provided with overfall; On the described pipeline section of regulating and storing, be provided with anti-fallen leaves baffle plate.
For achieving the above object two, the present invention has adopted following technical scheme:
The flat roof rain water method of regulating and storing, is characterized in that comprising the steps:
(1) at traditional roof drainage pipe initiating terminal of building, set up the pipeline section of regulating and storing of certain altitude, the described pipeline section of regulating and storing is connected with building roofing rainwater down pipe by connecting pipeline section, the described pipeline section of regulating and storing is provided with a plurality of outlets of regulating and storing from top to bottom, the caliber of pipeline section of regulating and storing is greater than the caliber of building roofing rainwater down pipe, and the pipeline section upper end of regulating and storing is overfall and is furnished with anti-fallen leaves baffle plate.
(2) in the pipeline section periphery of regulating and storing, one corral is set and closes filter frame, in filter frame, be filled with filtration
filler, filter frame is provided with supporting frame lid, and frame lid is connected with filter frame by fixing magnetic padlock.
(3) by the support pipeline section of regulating and storing, be fixed on filter frame.
(4) rainy day, encloses filter frame roof rain water runoff is carried out to preliminary filtration, purification, and the pipeline section of regulating and storing is controlled the stream rate of discharge of rain water on roof, and overfall discharges the rainwater of the ability of regulating and storing over roofing rapidly.
The regulate and store control procedure of device and the method for regulating and storing of the flat roof rain water of the present invention is as follows:
First roof rain water runoff filters through the inner filter frame that encloses of filling filter packing, then by the pipeline section of regulating and storing with the outlet of regulating and storing, enters rainwater down pipe and discharges.Idiographic flow is:
(1) when rainfall initial stage flow hour, roof run-off is less than the conveyance capacity of the pipeline section of regulating and storing, rainfall runoff encloses filter cage by periphery and filters by the normal discharge of the outlet of regulating and storing on the pipeline section of regulating and storing, not retaining of roof.
(2) along with rainfall intensity increases gradually, roof rain water runoff rate increases gradually, and when flow is greater than while regulating and storing pipeline section conveyance capacity, roof starts retaining, and along with roof retaining highly increases, the pipeline section flow section of regulating and storing increases, and drain discharge is also increasing.
(3) when roof, regulate and store water level when reaching the pipeline section maximum of regulating and storing and regulating and storing water level, roof rain water runoff discharges by the pipeline section upper end overfall of regulating and storing.
(4) the rainfall later stage is along with raininess reduces, roof runoff rate reduces gradually, when roof runoff rate is less than while regulating and storing pipeline section emission flow, the water level of regulating and storing starts to decline, and along with the decline of the water level of regulating and storing, the effective cross-section of river of pipeline section of regulating and storing reduces, and drainability starts to reduce, until roof rain water runoff is emptying.
By in the mutual conversion of above 4 flow processs, to rainwater form certain stagnant, hold effect, roof rain water runoff is carried out to layover, sometimes also can a small amount of runoff temporarily be stored, postpone the time that rainfall runoff enters adjacent downstream drainage pipe, thereby postpone time, reduction peak flow that peak value occurs.For unconventional rainfall, the dump mouth that rainfall runoff arranges by roof discharges, and guarantees the safety of regulating and storing in roof.
Beneficial effect of the present invention: (1) effectively reduces city waterlogging risk, controls combined sewer overflow and pollutes, and optimizes the drainability of pipe network, alleviates the load of Wastewater Treatment Plant, and operational management is simple; (2) make full use of the potential stagnant space of holding, increase the collection utilization of rainwater, the range of application that expansion is regulated and stored, advances urban sustainable development; (3) economical and efficient, regulates and stores flexibly, simple; (4) controlling Initial Runoff pollutes and pollution of area source; (5) stable pipe is pressed, and reduces the noise that pipeline water flow brings, and reduces potential erosion; (6) improve city sponge function, improved urban water-body environment.
Accompanying drawing explanation
Fig. 1 is the flat roof rain water of the present invention device three-dimensional effect diagram of regulating and storing.
Fig. 2 is the flat roof rain water of the present invention device top view of regulating and storing.
Fig. 3 is the A-A sectional drawing of Fig. 2.
Fig. 4 is the flat roof rain water of the present invention application of installation top view during draining outside roof of regulating and storing.
Fig. 5 is the B-B sectional drawing of Fig. 4.
Fig. 6 is the flat roof rain water of the present invention top view of application of installation when roof internal drainage of regulating and storing.
Fig. 7 is the C-C sectional drawing of Fig. 6.
In figure, 1, the pipeline section of regulating and storing; 2, connect pipeline section; 3, overfall; 4, anti-fallen leaves baffle plate; 5, filter frame; 6, frame lid; 7, filter packing; 8, fixed support; 9, the outlet of regulating and storing; 10, fixing magnetic padlock; 11, rainwater down pipe; 12, roofing; 13 gables.
The specific embodiment
Below the present embodiment is described in detail by reference to the accompanying drawings, but protection scope of the present invention is not limit by embodiment.
As shown in Figure 1-Figure 3, a kind of flat roof rain water device of regulating and storing, comprise the pipeline section 1 of regulating and storing, connect pipeline section 2, the described pipeline section 1 of regulating and storing is provided with a plurality of outlets 9 of regulating and storing from top to bottom, described a plurality of outlet 9 of regulating and storing refers to the multistage continuous outlet of regulating and storing, the impact of the many factors such as its percent opening is subject to charge for remittance scope, the height of regulating and storing, caliber, emptying time, control target, described connection pipeline section 2 for will described in the pipeline section 1 of regulating and storing be connected with building roofing rainwater down pipe, described in the regulate and store caliber of pipeline section 1 be greater than the caliber of building roofing rainwater down pipe; The external diameter that connects pipeline section is less than rainwater down pipe internal diameter.
In described periphery of regulating and storing pipeline section 1, be provided with and enclose filter frame 5, filter packing 7 is housed in filter frame 5, described filter packing 7 is for having the cobble of grating particle diameter.
Described enclosing, on filter frame 5, be provided with supporting frame lid 6, described frame lid 6 by fixing magnetic padlock 10 with enclose filter frame 5 and be connected, described in described fixedly magnetic padlock 10 is arranged at, enclose filter frame 5 top surroundings.
In described pipeline section 1 surrounding of regulating and storing, be provided with fixed support 8, fixing with filter frame 5 by will regulate and store pipeline section 1 of fixed support 8.
At described pipeline section 1 top of regulating and storing, be provided with overfall 3; On the described pipeline section 1 of regulating and storing, be provided with anti-fallen leaves baffle plate 4;
As Figure 4-Figure 7, described roof rain water is regulated and stored device both can be for the situation of roof internal drainage, also can be for the situation of draining outside roof.
The flat roof rain water method of regulating and storing, is characterized in that comprising the steps:
(1) at traditional roof drainage pipe initiating terminal of building, set up the pipeline section 1 of regulating and storing of certain altitude, the described pipeline section 1 of regulating and storing is connected with building roofing rainwater down pipe by connecting pipeline section 2, the described pipeline section 1 of regulating and storing is provided with a plurality of outlets 9 of regulating and storing from top to bottom, the caliber of pipeline section 1 of regulating and storing is greater than the caliber of building roofing rainwater down pipe, and pipeline section 1 upper end of regulating and storing is overfall 3 and is furnished with anti-fallen leaves baffle plate 4;
(2) in pipeline section 1 periphery of regulating and storing, one corral is set and closes filter frame 5, be filled with filter packing 7 in filter frame 5, described filter packing 7 is for having the cobble of grating particle diameter, and filter frame 5 is provided with supporting frame lid 6, and frame lid 6 passes through fixedly magnetic padlock 10 and is connected with filter frame 5;
(3) by support 8 pipeline section 1 of regulating and storing, be fixed on filter frame 5;
(4) rainy day, encloses 5 pairs of roof rain water runoffs of filter frame and carries out preliminary filtration, purification, and the stream rate of discharge of the 1 pair of rain water on roof of pipeline section of regulating and storing is controlled, and overfall 3 discharges the rainwater of the ability of regulating and storing over roofing rapidly.
The regulate and store control procedure of device and the method for regulating and storing of the flat roof rain water of the present invention is as follows:
First roof rain water runoff filters through the inner filter frame 5 that encloses of filling filter packing 7, then by the pipeline section 1 of regulating and storing with the outlet 9 of regulating and storing, enters rainwater down pipe and discharges.Idiographic flow is:
(1) when rainfall initial stage flow hour, roof run-off is less than the conveyance capacity of the pipeline section 1 of regulating and storing, rainfall runoff encloses filter cage 5 by periphery and filters by the normally discharge of outlet 9 of regulating and storing on the pipeline section 1 of regulating and storing, not retaining of roof.
(2) along with rainfall intensity increases gradually, roof rain water runoff rate increases gradually, and when flow is greater than while regulating and storing pipeline section 1 conveyance capacity, roof starts retaining, and along with roof retaining highly increases, pipeline section 1 flow section of regulating and storing increases, and drain discharge is also increasing.
(3) when roof, regulate and store water level when reaching the pipeline section maximum of regulating and storing and regulating and storing water level, roof rain water runoff is by pipeline section 1 upper end overfall 3 discharges of regulating and storing.
(4) the rainfall later stage is along with raininess reduces, roof runoff rate reduces gradually, when roof runoff rate is less than while regulating and storing pipeline section 1 emission flow, the water level of regulating and storing starts to decline, and along with the decline of the water level of regulating and storing, the effective cross-section of river of pipeline section 1 of regulating and storing reduces, and drainability starts to reduce, until roof rain water runoff is emptying.
By in the mutual conversion of above 4 flow processs, to rainwater form certain stagnant, hold effect, roof rain water runoff is carried out to layover, sometimes also can a small amount of runoff temporarily be stored, postpone the time that rainfall runoff enters adjacent downstream drainage pipe, thereby reduce peak flow.For unconventional rainfall, the dump mouth that rainfall runoff arranges by roof discharges, and guarantees the safety of regulating and storing in roof.
Claims (7)
1. the flat roof rain water device of regulating and storing, it is characterized in that comprising regulate and store pipeline section (1), connection pipeline section (2), the described pipeline section of regulating and storing (1) arranges a plurality of outlets (9) of regulating and storing from top to bottom, described connection pipeline section (2) for will described in the pipeline section (1) of regulating and storing be connected with building roofing rainwater down pipe, described in the regulate and store caliber of pipeline section (1) be greater than the caliber of building roofing rainwater down pipe.
2. the flat roof rain water according to claim 1 device of regulating and storing, is characterized in that: in the periphery of the described pipeline section of regulating and storing (1), be provided with and enclose filter frame (5), filter packing (7) is housed in filter frame (5).
3. the roof rain water according to claim 2 device of regulating and storing, it is characterized in that: described enclosing, on filter frame (5), be provided with supporting frame lid (6), described frame lid (6) by fixing magnetic padlock (10) with enclose filter frame (5) and be connected, described in described fixedly magnetic padlock (10) is arranged at, enclose filter frame (5) top surrounding.
4. the roof rain water according to claim 3 device of regulating and storing, is characterized in that: in the described pipeline section of regulating and storing (1) surrounding, be provided with fixed support (8), and fixing with filter frame (5) by fixed support (8) pipeline section (1) of regulating and storing.
5. the roof rain water according to claim 1 device of regulating and storing, is characterized in that: at the described pipeline section of regulating and storing (1) top, be provided with overfall (3).
6. the roof rain water according to claim 5 device of regulating and storing, is characterized in that: on the described pipeline section of regulating and storing (1), be provided with anti-fallen leaves baffle plate (4).
7. the roof rain water method of regulating and storing, is characterized in that comprising the steps:
(1) at traditional roof drainage pipe initiating terminal of building, set up the pipeline section of regulating and storing (1) of certain altitude, the described pipeline section of regulating and storing (1) is connected with building roofing rainwater down pipe by connecting pipeline section (2), the described pipeline section of regulating and storing (1) arranges a plurality of outlets (9) of regulating and storing from top to bottom, the caliber of pipeline section (1) of regulating and storing is greater than the caliber of building roofing rainwater down pipe, and the pipeline section of regulating and storing (1) upper end is overfall (3) and is furnished with anti-fallen leaves baffle plate (4);
(2) in the pipeline section of regulating and storing (1) periphery, one corral is set and closes filter frame (5), be filled with filter packing (7) in filter frame (5), filter frame (5) is provided with supporting frame lid (6), and frame lid (6) passes through fixedly magnetic padlock (10) and is connected with filter frame (5);
(3) by support (8) pipeline section (1) of regulating and storing, be fixed on filter frame (5);
(4) rainy day, encloses filter frame (5) roof rain water runoff is carried out to preliminary filtration, purification, and the pipeline section of regulating and storing (1) is controlled the stream rate of discharge of rain water on roof, and overfall (3) discharges the rainwater of the ability of regulating and storing over roofing rapidly.
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CN201410262803.4A CN104005523B (en) | 2014-06-13 | 2014-06-13 | A kind of flat roof rain water regulate and store device and the method for regulating and storing |
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CN201410262803.4A CN104005523B (en) | 2014-06-13 | 2014-06-13 | A kind of flat roof rain water regulate and store device and the method for regulating and storing |
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CN104005523A true CN104005523A (en) | 2014-08-27 |
CN104005523B CN104005523B (en) | 2016-05-11 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112538936A (en) * | 2020-11-19 | 2021-03-23 | 许文斌 | Runoff control device |
CN112904455A (en) * | 2021-01-15 | 2021-06-04 | 常州工学院 | Early warning and management and control method and device for coping with short-time strong rainfall community source |
CN116145908A (en) * | 2023-03-16 | 2023-05-23 | 珠江水利委员会珠江水利科学研究院 | Roof water storage and drainage control device for urban waterlogging prevention |
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DE4127146A1 (en) * | 1991-08-16 | 1993-02-18 | Emil Grumbach | Drain connection to down pipe for flat roof - has combined insert and flange section to feed water into rain down pipe and hold roof covering |
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CN112904455A (en) * | 2021-01-15 | 2021-06-04 | 常州工学院 | Early warning and management and control method and device for coping with short-time strong rainfall community source |
CN112904455B (en) * | 2021-01-15 | 2022-07-12 | 常州工学院 | Early warning and management and control method and device for coping with short-time strong rainfall community source |
CN116145908A (en) * | 2023-03-16 | 2023-05-23 | 珠江水利委员会珠江水利科学研究院 | Roof water storage and drainage control device for urban waterlogging prevention |
CN116145908B (en) * | 2023-03-16 | 2023-10-27 | 珠江水利委员会珠江水利科学研究院 | Roof water storage and drainage control device for urban waterlogging prevention |
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