CN112482533A - Method for setting river channel rainwater drainage port and river channel rainwater drainage system - Google Patents
Method for setting river channel rainwater drainage port and river channel rainwater drainage system Download PDFInfo
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- CN112482533A CN112482533A CN202011302594.3A CN202011302594A CN112482533A CN 112482533 A CN112482533 A CN 112482533A CN 202011302594 A CN202011302594 A CN 202011302594A CN 112482533 A CN112482533 A CN 112482533A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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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
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention relates to the field of river channel treatment, and discloses a method for setting a river channel rainwater drainage outlet and a river channel rainwater drainage system, wherein the method for setting the river channel rainwater drainage outlet comprises the steps of arranging rainwater collecting culverts (1) on two sides of a river channel; the rainwater collection hidden culvert (1) is communicated with the river channel through a pressure hidden culvert (2) pre-buried in slopes on two sides of the river channel; and a water outlet of the pressure hidden culvert (2) communicated with the river channel is arranged below the preset water level of the river channel. The invention solves the technical problems that the river slope forms a plurality of openings, is difficult to be fused with the surrounding environment and seriously influences the landscape effect of the river channel because the elevation of the traditional gutter inlet of the river channel is generally set to be higher than the flood level of the river channel to ensure smooth drainage.
Description
Technical Field
The invention relates to the field of river channel treatment, in particular to a method for setting a river channel rainwater drainage outlet and a river channel rainwater drainage system.
Background
Conventional downspout generally inserts the river directly, adopts retaining wall to build the splayed inlet for stom water at the river slope, and in order to guarantee that the drainage is unobstructed, the inlet for stom water elevation generally sets up to be higher than river course flood level, causes the river slope to form numerous openings, is difficult to fuse with all ring edge borders, seriously influences river course view effect. Along with the development of urban construction, people have higher and higher requirements on the environment, and the demand for beautifying the design of river channel gullies is higher and higher. Therefore, the conventional method for arranging the river channel rainwater inlet cannot meet the increasingly improved aesthetic requirements of people.
Disclosure of Invention
The invention aims to overcome the technical problems that the river slope forms numerous gaps, is difficult to be fused with the surrounding environment and seriously influences the landscape effect of a river channel because the elevation of the conventional gutter inlet of the river channel is generally set to be higher than the flood level of the river channel to ensure smooth drainage. The invention provides a method for setting a river channel rainwater drainage port and a river channel rainwater drainage system, and aims to solve the problems.
The invention provides a method for setting a river channel rainwater drainage port on one hand;
the setting method of the river channel rainwater drainage port comprises the following steps:
arranging rainwater collecting hidden culverts at two sides of the river channel;
the rainwater collection hidden culvert is communicated with the river channel through a pressure hidden culvert pre-embedded into the slope bodies on the two sides of the river channel;
and a water outlet of the pressure culvert, which is communicated with the river channel, is arranged below the preset water level of the river channel.
The method for setting the river channel rainwater drainage port collects rainwater by arranging the rainwater collecting concealed culverts at the two sides of the river channel, and is communicated to the river channel through pressure hidden culverts pre-embedded in the slope bodies at the two sides of the river channel, and the water outlet of the pressure hidden culverts communicated with the river channel is arranged below the preset water level of the river channel, namely, the rainwater is conveyed to the river channel through the components embedded underground after being collected, and the water outlet is positioned below the water surface of the river channel, so that the rainwater conveying and discharging devices are effectively hidden in the structures at two sides of the river channel, the landscape of the river channel is more regular, more pleasing to the eye in whole visual effect, and then solved because the inlet for stom water in current river course is unobstructed for guaranteeing the drainage, the elevation generally sets up to being higher than river course flood level, leads to the river slope to form numerous openings, is difficult to fuse with all ring edge borders, seriously influences the technical problem of river course view effect.
Preferably, the rainwater collection culvert and the communication port of the pressure culvert are arranged above the radial structure of the pressure culvert.
Preferably, the horizontal elevation of the bottom wall of the rainwater collecting culvert is higher than the horizontal elevation of the bottom wall of the pressure culvert.
Preferably, an overflow weir for preventing the river water from overflowing to the rainwater collection hidden culvert is arranged between the rainwater collection hidden culvert and the pressure hidden culvert.
Preferably, the overflow weir is a side wall structure of the rainwater collection hidden culvert after a communication port is formed.
The invention provides a river channel rainwater drainage system in a second aspect;
the river channel rainwater drainage system comprises rainwater collection dark culverts and pressure dark culverts, wherein the rainwater collection dark culverts are arranged on two sides of a river channel and are communicated with the river channel through the pressure dark culverts embedded into slopes on two sides of the river channel;
and the water outlet of the pressure hidden culvert communicated with the river channel is arranged below the preset water level of the river channel.
Preferably, at least one of the following ways is included,
in the first mode, the communication port of the rainwater collection culvert and the pressure culvert is arranged above the radial structure of the pressure culvert;
in a second mode, the horizontal elevation of the bottom wall of the rainwater collecting culvert is higher than the horizontal elevation of the bottom wall of the pressure culvert;
in a third mode, an overflow weir for preventing the river water from overflowing to the rainwater collecting hidden culvert is arranged between the rainwater collecting hidden culvert and the pressure hidden culvert; and/or the presence of a gas in the gas,
the overflow weir is a side wall structure after the rainwater collection hidden culvert is provided with a communication port;
and in a fourth mode, the rainwater collection hidden culverts are communicated along the extending direction of the river channel.
Preferably, include right rainwater in collecting the dark culvert carries out the rainwater equalizing basin and the pump station that the overflow was gathered, the rainwater equalizing basin sets up it is a plurality of at least one port department that dark culvert axial intercommunication is collected to rainwater, the pump station sets up in the rainwater equalizing basin.
Preferably, a standing pool for standing rainwater discharged into the river channel is arranged at a water outlet of the pressure dark culvert, which is communicated with the river channel.
Preferably, a plurality of the pressure culvert is in communication with at least one resting pond.
Drawings
Fig. 1 is a schematic transverse structural view of a river rainwater drainage system related to the method for arranging the river rainwater drainage port according to the present invention;
FIG. 2 is a schematic plan view of the structure of FIG. 1;
fig. 3 is a schematic view of the overall structure of fig. 1.
Description of the reference numerals
0. A river channel; 1. collecting rainwater in a dark culvert; 2. a pressure hidden culvert; 3. a communication port; 4. an overflow weir; 5. a rainwater conditioning tank; 6. a pump station; 7. and (5) standing in a pool.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present invention and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "bottom", "middle", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," and "in communication" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, the present invention provides a method for setting a river rain outlet, the method comprising,
rainwater collecting hidden culverts 1 are arranged on two sides of the river channel 0; this rainwater is collected and is secretly contained 1 a plurality of downspouts of intercommunication, gathers the rainwater, avoids the rainwater directly to flow into river 0, but gets into the rainwater and collect secretly contain 1, and convenient follow-up carries out centralized processing to the rainwater. The rainwater collection dark culvert 1 is communicated with the river channel 0 through a pressure dark culvert 2 pre-buried in slopes on two sides of the river channel; wherein, the water outlet of the pressure culvert 2 communicated with the river channel 0 is arranged below the preset water level of the river channel 0. This predetermine water level is the conventional water level in river course, and the delivery port setting that communicates with the river course of pressure secretly culvert is under the predetermined water level in river course, and the delivery port setting is under the conventional water level in river course promptly to ensure that the delivery port is gone into the river course with the rainwater from the surface of water below in river course, thereby hide the delivery port, avoid influencing the holistic view of river course to experience because of the delivery port setting is in the surface of water top.
The method for setting the river channel rainwater drainage port collects rainwater by arranging the rainwater collecting concealed culverts at the two sides of the river channel, and is communicated to the river channel through pressure hidden culverts pre-embedded in the slope bodies at the two sides of the river channel, and the water outlet of the pressure hidden culverts communicated with the river channel is arranged below the preset water level of the river channel, namely, the rainwater is conveyed to the river channel through the components embedded underground after being collected, and the water outlet is positioned below the water surface of the river channel, so that the rainwater conveying and discharging devices are effectively hidden in the structures at two sides of the river channel, the landscape of the river channel is more regular, more pleasing to the eye in whole visual effect, and then solved because the inlet for stom water in current river course is unobstructed for guaranteeing the drainage, the elevation generally sets up to being higher than river course flood level, leads to the river slope to form numerous openings, is difficult to fuse with all ring edge borders, seriously influences the technical problem of river course view effect.
In an optional embodiment of the invention, the communication port 3 between the rainwater collection culvert 1 and the pressure culvert 2 is arranged above the radial structure of the pressure culvert 2, and the horizontal elevation of the bottom wall of the rainwater collection culvert 1 is higher than that of the bottom wall of the pressure culvert 2. The setting up of this structure makes rainwater collect dark culvert 1 and pressure dark culvert 2 structural intercommunication guarantee at least that the rainwater collects the smooth flow of diapire of dark culvert 1 to the pressure dark culvert 2 from the rainwater, and the rainwater flows out from eminence or parallel and level's position department promptly. In the preferred embodiment of the invention, the communication opening 3 of the rainwater collecting culvert 1 is arranged at the upper end of the radial structure of the pressure culvert 2.
In an optional embodiment of the invention, an overflow weir 4 for preventing the river water from overflowing to the rainwater collection dark culvert 1 is arranged between the rainwater collection dark culvert 1 and the pressure dark culvert 2. This overflow weir 4's structure setting can prevent that the rainwater in the pressure secretly contains 2 from directly getting into the rainwater under the condition of river course water backward flow and collecting secretly containing 1 to collect secretly containing 1 overflow to downspout through the rainwater, lead to unable normal rainwater emission that carries on, and the emergence of the river course water condition of flowing backward. In an optional embodiment of the present invention, the overflow weir 4 is a separately installed structure, and the separately installed overflow weir can be designed with a weir top elevation and a weir width according to a specific river channel condition, so as to be more suitable for a specific construction environment. In another optional embodiment of the invention, the sidewall structure of the overflow weir 4 positioned behind the rainwater collecting culvert 1 provided with the communicating port 3 can effectively combine the structure of the overflow weir 4 with the rainwater collecting culvert 1 by the structural design, thereby reducing the construction steps in the construction process, effectively shortening the construction period and reducing the cost.
It should be noted that, the design of the overflow weir 4 should consider the river flood level and the rainwater pipe discharge standard, and reasonably determine 2 core parameters of the weir top elevation and the weir width. Wherein the content of the first and second substances,
the elevation of the weir crest is determined to be too high, rainwater in the hidden culvert submerges the inner top of the municipal rainwater port, and the ground collects water under extreme conditions, so that the drainage safety is influenced; the elevation of the weir crest is determined to be too low, and the section size of the rainwater collection hidden culvert is too large, so that the rainwater collection hidden culvert is not economical.
The weir width is determined to be too small, so that the flow capacity is influenced, and the drainage is not smooth; the excessive weir width determination increases the construction difficulty and investment.
The method for setting the river channel rainwater drainage port is integrated in the application process of practical engineering and can be transformed into the following steps:
(1) determining rainwater collection culvert scale
Rainwater is collected and is secretly contained as the female pipe of connecting all municipal rainwater pipes, and the determination of scale should be so that the desilting is the principle, for avoiding reducing the area of overflowing because of silt blocking up, the rainwater is collected the preferred mechanical desilting mode of secretly containing desilting mode, if utilize the pump to carry out the extraction of silt, according to the building code, the suggestion sets for the rainwater and collects the width of the extending direction along the river course of secretly containing and is not less than 4m, highly is not less than 3 m.
(2) Determining the elevation and width of the overflow port of the hidden culvert
After the shape and the system of the rainwater collecting hidden culvert are determined, the height scale and the width of an overflow port (namely a communication port) of the rainwater collecting hidden culvert need to be determined. The elevation of the rainwater collection culvert overflow port needs to be higher than the conventional water level of the river channel (the specific conventional water level is set according to the specific situation of river channel detection data), and the elevation is determined through hydraulic calculation. The height of an overflow port (namely a communication port) of the rainwater collecting hidden culvert is determined to be too low, so that the size of the rainwater collecting hidden culvert is increased, and the engineering investment is increased; the overflow mouth elevation is definite too high, will make the rainwater collect the interior water surface line of dark culvert and raise, brings the difficulty for municipal administration downspout's vertical arrangement. Therefore, the height and the width of the overflow port (communication port) of the reasonable rainwater collection culvert are determined according to the principle that the engineering investment is reduced, and the vertical direction of the whole drainage system can be smoothly connected.
(3) Determining the cross-sectional dimension of a pressure culvert
The section size of the pressure dark culvert is determined according to the principle that rainwater flowing out of the water outlet can be smoothly discharged into the river channel, and the water outlet is submerged below the conventional water level of the river channel.
(4) Determination of scale of initial rain adjusting tank and pump station at tail end of rainwater collection dark culvert
The rainwater is collected and is covered terminal pump station of culvert and need be equipped with first rain and get rid of the pump, and the quantity and the flow standard of first rain are according to first rainfall and municipal sewage pipe, the ability of accepting first rain of reclaimed water factory and are confirmed.
The invention also provides a river channel rainwater drainage system, which comprises rainwater collection dark culverts 1 and pressure dark culverts 2, wherein the rainwater collection dark culverts 1 are arranged at two sides of the river channel 0 and are communicated with the river channel 0 through the pressure dark culverts 2 pre-embedded into the slopes at two sides of the river channel 0; the water outlet of the pressure hidden culvert 2 communicated with the river channel 0 is arranged below the preset water level of the river channel 0.
In an alternative embodiment of the invention, the river storm water drainage system of the invention comprises at least one of the following ways,
mode one, rainwater is collected and is secretly contained 1 and pressure and secretly contain 2 the intercommunication mouth 3 setting in pressure and secretly contain 2 radial structure top to form the rainwater and collect the difference in height that the rainwater between secretly containing 1 and the pressure secretly contains 2 flows from the rainwater, make things convenient for the rainwater to discharge.
In the second mode, the horizontal elevation of the bottom wall of the rainwater collecting culvert 1 is higher than the horizontal elevation of the bottom wall of the pressure culvert 2; the same purpose as the setting purpose of the first mode is also used for forming the height difference of rainwater flowing between the rainwater collection dark culvert 1 and the pressure dark culvert 2, so that the rainwater can be conveniently discharged.
In the third mode, an overflow weir 4 for preventing the river water from overflowing to the rainwater collecting dark culvert 1 is arranged between the rainwater collecting dark culvert 1 and the pressure dark culvert 2, and the overflow weir 4 is an independent structure arranged between the pressure dark culvert 2 and the rainwater collecting dark culvert 1; or the like, or, alternatively,
be equipped with between rainwater collection dark culvert 1 and the pressure dark culvert 2 and block river course water overflow to rainwater and collect overflow weir 4 of dark culvert 1, this overflow weir 4 is that rainwater collects the lateral wall structure behind the dark culvert 1 seting up intercommunication mouth 3.
In an optional embodiment of the present invention, the overflow weir 4 is a separately installed structure, and the separately installed overflow weir can be designed with a weir top elevation and a weir width according to a specific river channel condition, so as to be more suitable for a specific construction environment. In another optional embodiment of the invention, the sidewall structure of the overflow weir 4 positioned behind the rainwater collecting culvert 1 provided with the communicating port 3 can effectively combine the structure of the overflow weir 4 with the rainwater collecting culvert 1 by the structural design, thereby reducing the construction steps in the construction process, effectively shortening the construction period and reducing the cost.
It should be noted that, the design of the overflow weir 4 should consider the river flood level and the rainwater pipe discharge standard, and reasonably determine 2 core parameters of the weir top elevation and the weir width. Wherein the content of the first and second substances,
the elevation of the weir crest is determined to be too high, rainwater in the hidden culvert submerges the inner top of the municipal rainwater port, and the ground collects water under extreme conditions, so that the drainage safety is influenced; the elevation of the weir crest is determined to be too low, and the section size of the rainwater collection hidden culvert is too large, so that the rainwater collection hidden culvert is not economical.
The weir width is determined to be too small, so that the flow capacity is influenced, and the drainage is not smooth; the excessive weir width determination increases the construction difficulty and investment.
Mode four, a plurality of rainwater are collected and are secretly contained 1 and communicate along the extending direction in river course to ensure to carry out abundant collection to the rainwater.
In an alternative embodiment of the present invention, the rainwater collecting system comprises a rainwater regulating pool 5 and a pump station 6, wherein the rainwater regulating pool 5 is used for collecting rainwater in the rainwater collecting culvert 1 in an overflowing manner, the rainwater regulating pool 5 is arranged at least one port of at least one rainwater collecting culvert 1 communicated along the extending direction of a river channel, and the pump station 6 is arranged in the rainwater regulating pool 5. In an alternative embodiment of the invention the pumping station 6 comprises a plurality of primary rain removal pumps, the number and flow rate criteria of which are determined by the primary rain capacity and the capacity of the municipal sewer and the reclaimed water works to accept primary rain.
In an optional embodiment of the invention, a standing pool for standing rainwater discharged into the river channel is arranged at a water outlet of the pressure culvert 2 communicated with the river channel 0. This pond of stewing can effectually get into the rainwater of stewing in the pond and carry out the sediment of impurity, makes the rainwater laminate of stewing, can effectually avoid the large granule impurity of rainwater to enter into the river course, reduces the tiny particle matter that carries in the rainwater simultaneously.
In an optional embodiment of the invention, when a plurality of pressure culvert 2 are arranged, the plurality of pressure culvert 2 are communicated with at least one standing pool 7 to ensure that the rainwater entering the river channel and flowing into the river channel after being treated by the standing pool, thereby improving the quality of the rainwater drained into the river channel.
The method for setting the river channel rainwater drainage port and the river channel rainwater drainage system provided by the invention can at least achieve the following technical effects:
(1) good landscape effect
The rainwater collection hidden culvert, the pressure hidden culvert and the like are all located underground, the outlet of the pressure hidden culvert is located below the conventional water level of a river channel, a river slope is free of openings, and the landscape effect is good.
(2) Reduce the river rain pollution
Rainwater is collected through the rainwater dark culvert, has avoided the rainwater directly to get into the river course, makes the tiny particulate matters such as dust, automobile exhaust, the pollutant of washing the road of the sprinkled air that carry in the initial stage rainwater (usually mean preceding 10 ~ 15mm rainfall formation's surface runoff) deposit at first in the rainwater is collected dark culvert, has reduced the rainwater and has polluted the river course.
When the area of the drainage basin is small, the initial rainwater regulation pool with a proper scale is built through the initial rainwater measurement and calculation, and the initial rainwater runoff pollution can be greatly reduced. The initial rainwater is forcibly discharged to a municipal sewage pipeline through the drainage pump station and is recycled as reclaimed water after being treated by a reclaimed water plant, so that the rainwater resource utilization can be realized.
The above description is only an alternative embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for setting a river channel rainwater drainage port is characterized by comprising the following steps,
rainwater collecting hidden culverts (1) are arranged on two sides of the river channel (0);
the rainwater collection hidden culvert (1) is communicated with the river channel (0) through a pressure hidden culvert (2) pre-buried in slopes on two sides of the river channel;
the water outlet of the pressure hidden culvert (2) communicated with the river channel (0) is arranged below the preset water level of the river channel (0).
2. The method for arranging a river rainwater drainage outlet according to claim 1, wherein the communication port (3) of the rainwater collection culvert (1) and the pressure culvert (2) is arranged above the radial structure of the pressure culvert (2).
3. The method for arranging the river rainwater drainage port according to claim 1 or 2, wherein the level of the bottom wall of the rainwater collection culvert (1) is higher than the level of the bottom wall of the pressure culvert (2).
4. The method for arranging the river channel rainwater drainage port according to claim 3, wherein an overflow weir (4) for preventing the river channel water from overflowing to the rainwater collection culvert (1) is arranged between the rainwater collection culvert (1) and the pressure culvert (2).
5. The method for arranging the river channel rainwater drainage outlet according to claim 4, wherein the overflow weir (4) is a side wall structure of the rainwater collection culvert (1) after the communication port (3) is formed.
6. The river channel rainwater drainage system is characterized by comprising rainwater collection dark culverts (1) and pressure dark culverts (2), wherein the rainwater collection dark culverts (1) are arranged on two sides of a river channel (0) and are communicated with the river channel (0) through the pressure dark culverts (2) pre-embedded into slopes on two sides of the river channel (0);
the pressure hidden culvert (2) and a water outlet communicated with the river channel (0) are arranged below the preset water level of the river channel (0).
7. A river storm water drainage system according to claim 6 including at least one of,
in a first mode, the communicating opening (3) of the rainwater collecting culvert (1) and the pressure culvert (2) is arranged above the radial structure of the pressure culvert (2);
in a second mode, the horizontal elevation of the bottom wall of the rainwater collecting culvert (1) is higher than the horizontal elevation of the bottom wall of the pressure culvert (2);
in a third mode, an overflow weir (4) for preventing river water from overflowing to the rainwater collecting hidden culvert (1) is arranged between the rainwater collecting hidden culvert (1) and the pressure hidden culvert (2); and/or the presence of a gas in the gas,
the overflow weir (4) is a side wall structure after the rainwater collection hidden culvert (1) is provided with the communication port (3);
and in a fourth mode, the rainwater collection hidden culverts (1) are communicated along the extending direction of the river channel.
8. The river channel rainwater drainage system according to claim 6, comprising a rainwater regulation pool (5) and a pump station (6) for collecting rainwater in the rainwater collection culvert (1) in an overflowing manner, wherein the rainwater regulation pool (5) is arranged at least one port of at least one rainwater collection culvert (1) communicated along the extending direction of a river channel, and the pump station (6) is arranged in the rainwater regulation pool (5).
9. The river channel rainwater drainage system according to claim 8, wherein a standing pool (7) for standing rainwater drained into a river channel is arranged at a water outlet of the pressure culvert (2) communicated with the river channel.
10. A river stormwater drainage system as claimed in claim 9, wherein a plurality of the pressure culverts (2) communicate with at least one standing pond (7).
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| CN202011302594.3A CN112482533A (en) | 2020-11-19 | 2020-11-19 | Method for setting river channel rainwater drainage port and river channel rainwater drainage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892781A (en) * | 2022-05-24 | 2022-08-12 | 深圳市市政工程咨询中心有限公司 | Hidden overflow drain device and installation method |
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Application publication date: 20210312 |