CN104831682B - A kind of flood storage prevention waterlogging device increasing city river reservoir storage - Google Patents
A kind of flood storage prevention waterlogging device increasing city river reservoir storage Download PDFInfo
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- CN104831682B CN104831682B CN201510247954.7A CN201510247954A CN104831682B CN 104831682 B CN104831682 B CN 104831682B CN 201510247954 A CN201510247954 A CN 201510247954A CN 104831682 B CN104831682 B CN 104831682B
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Abstract
The invention discloses a kind of flood storage prevention waterlogging device increasing city river reservoir storage, it is positioned at channel revetment, this channel revetment includes some joint hollow structures, single-unit hollow structure is a joint water storage tank, this water storage tank uses curtain wall structure to be divided into several water storage casings along bank line direction, linked up by a connection door opening between adjacent water storage casing, the border on the river top of side of described water storage casing is provided with a water inlet, the height of described water inlet lowermost end is positioned at below river course peak level, the border on the river bottom of side of described water storage casing is provided with some non-return valves, the height of non-return valve and river course lowest water level are in the same horizontal line, the height of described water storage casing plate top surface is positioned at below river course lowest water level.The present invention increase effectively river course pondage, reduces and postpones storm runoff and peak value, thus improve the flood control capacity in river course.This device is simple and practical, safe and reliable, reduces investment outlay, it is not necessary to power, it is not necessary to manual operation, automatic water-storage, automatic evacuation, so circulates.
Description
Technical field
The present invention relates to hydraulic engineering technical field, specifically, be a kind of flood storage prevention waterlogging device increasing city river reservoir storage.
Background technology
Water system is one of important composition key element of Urban Natural environment, the result that the change of its quality and quantity is nature and mankind's activity interacts for a long time.Along with going deep into of urbanization process, many rivers are landfilled, silting or extinction naturally, and river quantity greatly reduces, and water surface area is substantially reduced；Precipitation increases, and storage of river network ability declines, and necessarily causes when suffering heavy rain or extra torrential rain, and city is flooded, traffic paralysis.For urban waterlogging is today for city, this is one and almost all can show " bad dream " every year.One field intensity rainfall, street Cheng He, house are intake, automobile is drowned, river pours in down a chimney basement ... urban waterlogging the most frequently, all bring tremendous influence to the normal operation in people's lives, economic development and city.
City river plays important " charge for remittance " effect, take on the function accumulated rain flood, shunt to descend to ooze, regulate the aspects such as flood passage, supplement groundwater resources, raising evaporated quantity of water, alleviation tropical island effect, can alleviate and prevent urban waterlogging especially, but the minimizing of these natural drainage systems now, makes city lack the space storing unnecessary rainwater.As can be seen here, preventing waterlogging means most effectively is the pondage increasing river course.
Rainwater storage, as a kind of flood detention and the means of control rainwater, is used widely in worldwide.At present, the major way of rainwater storage is to set up storm detention tank, and storm detention tank often floor space is very big, and engineering cost is bigger；And operational management also has higher cost.According to investigating display both at home and abroad, do not changing river course land used, do not changing river process and scale, device of regulating and storing is set up in river course, not yet have precedent.
Summary of the invention
Present invention aim to overcome that existing technical deficiency, it is proposed that a kind of flood storage prevention waterlogging device increasing city river reservoir storage, do not increasing river course land used, on the premise of not changing river course scale and function, making river course realize the purpose of automatic flood storage water drainage.
The present invention is achieved by the following technical solutions:
A kind of flood storage prevention waterlogging device increasing city river reservoir storage, it is positioned at channel revetment, this channel revetment includes some joint hollow structures, single-unit hollow structure is a joint water storage tank, this water storage tank uses curtain wall structure to be divided into several water storage casings along bank line direction, linked up by a connection door opening between adjacent water storage casing, the border on the river top of side of described water storage casing is provided with a water inlet, the height of described water inlet lowermost end is positioned at below river course peak level, the border on the river bottom of side of described water storage casing is provided with several non-return valves, the height of this non-return valve and river course lowest water level are in the same horizontal line, described water storage casing plate top surface is positioned at below river course lowest water level.
Preferably, the outside of described water inlet is provided with a trash rack.
Preferably, the end face of described water storage tank is provided with greenbelt, flood control passage.
Preferably, the described top often saving water storage tank is provided with one and enters manhole, and this enters manhole and is provided above with a cover plate, with described enter manhole position is corresponding is provided with rustless steel cat ladder on described water storage tank inwall.
Preferably, it is provided with one subsiding crack between the often joint hollow structure of described channel revetment.
Preferably, described connection door opening is arranged on the curtain wall structure between described water storage casing.
Preferably, described non-return valve includes a core, and this core is the circular spheroid of a hollow, and the external diameter of described core matches with circular funnel valve seat, and the proportion of described core is slightly larger than the proportion of water.
Preferably, the height of described water inlet lowermost end is positioned at below river course peak level 500mm.
Preferably, described water storage casing plate top surface is positioned at below river course lowest water level 200～500mm.
Preferably, described water storage box bottom is positioned at the space of below river course lowest water level for sedimentation.
The design principle of the present invention: the present invention is not increasing river course land used, on the premise of not changing river course scale and function, use the internal structure changing channel revetment, and channel revetment is transformed into a flood storage prevention waterlogging device, water levels different between this device fully utilized water storage casing and river course, automatic water-storage, automatic evacuation, it is not necessary to manual operation, without any power, it is automatically performed flood storage and the water drainage in river course.When river water level exceeds the discharge outlet of water storage casing, non-return valve is automatically switched off, and can effectively prevent river from pouring in down a chimney；When river water level is less than the water level in storage tank body, this flood storage prevention waterlogging device automatically opens up non-return valve draining, remains the optimum state of draining, without manual operation.
Beneficial effect: the flood storage prevention waterlogging device of the present invention, can effectively increase river course pondage, reduce and postpone storm runoff and peak value, thus improve the flood control capacity in river course；Meanwhile, plant modification of regulating and storing is set up in the most more convenient existing waterway；This device is simple and practical, safe and reliable, it is simple to installs, reduces investment outlay, without power, it is not necessary to manual operation, automatic water-storage, automatic evacuation, so circulation, has broad application prospects in the small and medium river channel of city, is that one realizes low-carbon (LC), energy-conservation, ecological and continuable excess water controls theory.
Accompanying drawing explanation
Fig. 1 is the horizontal profile structure schematic diagram of single-unit water storage tank in the present invention.
Fig. 2 is the cross section structure schematic diagram of single water storage casing in the present invention.
Fig. 3 is the decomposition texture schematic diagram of non-return valve in the present invention.
Fig. 4 is the present invention operation principle structural representation when water-retention.
Fig. 5 is the present invention operation principle structural representation when discharging water.
Each symbology in figure: 1. water storage tank；2. water storage casing；21. connection door openings；22. water inlets；221. trash rack；23. enter manhole；231. cover plate；24. rustless steel cat ladders；3. non-return valve；31. core；32. ball core valve storehouses；33. funnel valve seats；34. outlet pipes；4. curtain wall structure；5. greenbelt；A. river course peak level；B. river course lowest water level；C. river course；D. river bed；E. the water level in storage tank body；F. the water level in river course；X. the distance between water inlet lowermost end and river course peak level；Y. the distance between water storage casing plate top surface and river course lowest water level.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment:
As shown in Figure 1 and Figure 2, the flood storage prevention waterlogging device of the present invention, it is positioned at channel revetment, this channel revetment includes some joint hollow structures, be provided with one subsiding crack between the often joint hollow structure of channel revetment (in soft soil foundation general 15～20m length), the single-unit hollow structure between two subsiding cracks is a joint water-accumulating body 1.It is provided with one at the top of single-unit water storage tank 1 and enters manhole 23, in order to be manually entered desilting in water storage tank 1, enter manhole 23 and be provided above with cover plate 231.In figure, C represents river course, and D represents river bed.
Single-unit water storage tank 1 uses two curtain wall structures 4 to be divided into three water storage casings 2 along bank line direction, is linked up by a connection door opening 21 between adjacent water storage casing 2, and connection door opening 21 is arranged on the curtain wall structure 4 between water storage casing 2.Water storage casing 2 border on the river the bottom of side be provided with three non-return valve 3(non-return valves number can as required depending on, it is not limited to three).Water storage casing 2 base plate is positioned at the space of river course below lowest water level B for sedimentation.
Greenbelt 5, flood control passage, railing etc. can be set on the end face of water storage tank 1, to continue to play the original function of channel revetment and effect.The border on the river top of side of water storage casing 2 is provided with a water inlet 22, and the outside of water inlet 22 is provided with a trash rack 221, enters water storage casing 2 with the dirt preventing river course floating internal.Often the top of joint water storage tank 1 is provided with one and enters manhole 23, corresponding with entering manhole 23 position is provided with rustless steel cat ladder 24 on the curtain wall structure 4 of water storage tank 1.
The lowermost end height of water inlet 22 is positioned at river course below peak level A (in the present embodiment: water inlet 22 lowermost end height is positioned at river course below peak level A 500mm).The height of non-return valve 3 and river course lowest water level B are in the same horizontal line.Water storage casing 2 plate top surface is positioned at below river course lowest water level (in the present embodiment: water storage casing 2 plate top surface is positioned at river course below lowest water level B 200～500mm).
As shown in Figure 3, non-return valve 3 includes core 31, ball core valve storehouse 32, funnel valve seat 33 and an outlet pipe 34, this core 31 is the rustless steel circle spheroid of a hollow, the external diameter of core 31 matches with circular funnel valve seat 33, general desirable 1.42d(d is water inlet pipe diameter), the hollow diameters of core 31 is determined by calculating.The proportion of core 31 is slightly larger than the proportion of water, and its effect is dependent on deadweight and under the effect of water pressure, forms ball face sealing with funnel valve seat 33 thus cuts off streamflow and pour in down a chimney.
As shown in Figure 4, before water-retention, anhydrous or be in river course below lowest water level B in the water storage casing 2 of the present invention, as water level E in the water level F in river course is higher than water storage casing 2, the non-return valve 3 in connection water storage casing 2 and river course reversely can not be intake；When heavy rain is attacked, the water level F in river course rises steadily and during close to river course peak level A, imply that river course may will be unable to store unnecessary excess water；When the water level F in river course exceeds the height of water inlet 22 of water storage casing 2, excess water will constantly flow in water storage casing 2, until water storage casing 2 stores full, contains excess water unnecessary, that can not load for river course.It is clear that, river process constant at river course land used and river course scale constant in the case of, the flood storage of present invention prevention waterlogging device is the space that river course provides flood detention, thus improves the flood control capacity in river course.In figure, heavy black line represents the exterior wall of water storage casing 2.
As it is shown in figure 5, when river course low water level, the water level F in river course can be down to river course lowest water level B；During water level F in river course constantly reduces, when the water level E in water storage casing 2 is higher than the water level F in river course, open under the effect of the core 31 water pressure in water storage casing 2, water in water storage casing 2 is continuously outflowed by non-return valve 3, until emptying, thus for the cabinet space that soars of regulating and storing next time.In figure, heavy black line represents the exterior wall of water storage casing 2.
The major design step of the flood storage prevention waterlogging device of the present invention is as follows:
(1) by design size, cast in situs water storage casing 2, during construction, by design pitch and elevation, carrying out curtain wall structure top, side, river course and reserve water inlet 22, non-return valve 3 wall feed-through pipeline carrying out curtain wall structure bottom, side, river course is pre-buried, carries out the manhole 23 that enters at water-accumulating body 1 top board and reserves；
(2) factory makes non-return valve 3, trash rack 221 and enters manhole 23 cover plate；
(3) in-site installation non-return valve 3, trash rack 221 and enter manhole 23 cover plate.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (8)
1. the flood storage prevention waterlogging device increasing city river reservoir storage, it is characterised in that position
In channel revetment, this channel revetment includes some joint hollow structures, and single-unit hollow structure is a joint
Water storage tank, this water storage tank uses curtain wall structure to be divided into several storage tanks along bank line direction
Body, is linked up by a connection door opening between adjacent water storage casing, and described water storage casing borders on the river side
Top be provided with a water inlet, the height of described water inlet lowermost end is positioned at river course peak level
Hereinafter, the border on the river bottom of side of described water storage casing is provided with several non-return valves, this check
The height of valve and river course lowest water level in the same horizontal line, described water storage casing plate top surface position
Below river course lowest water level, described non-return valve includes a core, and this core is a hollow
Circular spheroid, the external diameter of described core matches with circular funnel valve seat, the proportion of described core
Slightly larger than the proportion of water, described water storage box bottom is positioned at the space of below river course lowest water level
For sedimentation.
A kind of flood storage prevention waterlogging increasing city river reservoir storage the most according to claim 1
Device, it is characterised in that the outside of described water inlet is provided with a trash rack.
A kind of flood storage prevention waterlogging increasing city river reservoir storage the most according to claim 1
Device, it is characterised in that be provided with greenbelt, flood control passage on the end face of described water storage tank.
A kind of flood storage prevention waterlogging increasing city river reservoir storage the most according to claim 1
Device, it is characterised in that the described top often saving water storage tank is provided with one and enters manhole, and this enters manhole
Be provided above with a cover plate, with described enter manhole position corresponding at described water storage tank inwall
It is provided with rustless steel cat ladder.
A kind of flood storage prevention waterlogging increasing city river reservoir storage the most according to claim 1
Device, it is characterised in that be provided with one sedimentation between the often joint hollow structure of described channel revetment
Seam.
A kind of flood storage prevention waterlogging increasing city river reservoir storage the most according to claim 1
Device, it is characterised in that described connection door opening is arranged at the curtain wall structure between described water storage casing
On.
A kind of flood storage prevention waterlogging increasing city river reservoir storage the most according to claim 1
Device, it is characterised in that the height of described water inlet lowermost end is positioned at below river course peak level
500mm。
A kind of flood storage prevention waterlogging increasing city river reservoir storage the most according to claim 1
Device, it is characterised in that described water storage casing plate top surface is positioned at below river course lowest water level
200～500mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510247954.7A CN104831682B (en) | 2015-05-15 | 2015-05-15 | A kind of flood storage prevention waterlogging device increasing city river reservoir storage |
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| CN201510247954.7A CN104831682B (en) | 2015-05-15 | 2015-05-15 | A kind of flood storage prevention waterlogging device increasing city river reservoir storage |
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| CN104831682B true CN104831682B (en) | 2017-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106906790B (en) * | 2017-02-27 | 2018-11-20 | 上海理工大学 | Nested type bank protection dam |
| CN109235600A (en) * | 2018-09-21 | 2019-01-18 | 丰和营造集团股份有限公司 | A kind of prevention waterlogging containment structures reducing urban flooding |
| CN109267540B (en) * | 2018-11-20 | 2020-09-15 | 浙江水利水电学院 | River flood prevention monitoring device and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB0121010D0 (en) * | 2001-08-30 | 2001-10-24 | Wadsworth George E | River flood control network |
| CN102493391A (en) * | 2011-11-22 | 2012-06-13 | 徐淑润 | Multi-spot water storage flood control method |
| CN103073111B (en) * | 2013-02-01 | 2014-06-11 | 北京建筑工程学院 | Urban road rainfall runoff ecological coprocessing device and method |
| CN204098204U (en) * | 2014-09-17 | 2015-01-14 | 安徽清环水工科技有限公司 | Early-stage rainwater is regulated and stored device |
| CN104612237B (en) * | 2015-02-06 | 2017-02-22 | 武汉圣禹排水系统有限公司 | Rainfall flood regulating system |
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Effective date of registration: 20230602 Address after: Room 1204, Building 2, Jiangjing International Home, No. 558, Renmin West Road, Rengang Street, Chongchuan District, Nantong City, Jiangsu Province, 226000 Patentee after: Nantong Renyang Environmental Protection Technology Co.,Ltd. Address before: Room 1765, Building 2, No. 1800 Panyuan Road, Chongming County, Shanghai, 202150 (Taihe Economic Development Zone, Shanghai) Patentee before: SHANGHAI NUOSHAN ENGINEERING DESIGN CONSULTING CO.,LTD. |
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