CN110145016A - A kind of rainwater applied to pipe gallery enters corridor device - Google Patents
A kind of rainwater applied to pipe gallery enters corridor device Download PDFInfo
- Publication number
- CN110145016A CN110145016A CN201910353113.2A CN201910353113A CN110145016A CN 110145016 A CN110145016 A CN 110145016A CN 201910353113 A CN201910353113 A CN 201910353113A CN 110145016 A CN110145016 A CN 110145016A
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- China
- Prior art keywords
- rainwater
- sedimentation basin
- energy dissipating
- pipe gallery
- water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- 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
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of rainwater applied to pipe gallery to enter corridor device, regulates and stores for city integrated piping lane rainwater-collecting and carries out rainwater comprehensive utilization.Preposition energy dissipating sedimentation basin is arranged in rainwater cabin in pipe gallery, and energy dissipating sedimentation basin connects rainwater cabin by unidirectional stop valve, is equipped with water blocking skirtboard in energy dissipating sedimentation basin, which reduces the kinetic energy of water flow, and precipitates the sediment that rainwater carries in flowing.The setting in the rainwater cabin is upper layer draining, and the combination of the regulate and store theory and pipe gallery rainwater freight space in sponge city is accomplished in lower layer's water storage, to achieve the purpose that " stagnant, infiltration stores, net, use, row ".Rain pipe enters at water also nested initial rainwater pond, special disposal initial rainwater and cleverly the rainwater of the different quality of different phase is separately handled in preposition energy dissipating sedimentation basin, is aftertreatment systems load shedding, and water quality is more stable, processing is more efficiently convenient.
Description
Technical field
The present invention relates to a kind of rainwater applied to pipe gallery to enter corridor device, is used for city integrated piping lane rainwater-collecting tune
It stores and carries out rainwater comprehensive utilization.
Background technique
Various regions took place frequently the situation of " meet rain must flood ", city " seeing sea " in recent years.But at the same time, there are 1100 cities in the whole nation
Serious water shortage.The relatively low shortage with rainwater utilization system of municipal drainage standard, the resource for making these cities in short supply become disaster
The inducement of generation.Therefore, it pipe gallery and sponge and controls flood and drains flooded fields and should consider together in the planning stage, water system layout considers to utilize
Rainwater cabin rainwater of regulating and storing is re-used as river supplement water, can activate water body, prevent black and odorous water, and can regulate and store and reuse rainwater,
Water resource is saved, and the regulating space in following developing direction in pipe gallery may replace the pumping plant in traditional planning.
Pipe gallery section should be expanded in the easy flood point of concentration, rain is built on upper layer in conjunction with rainwater and sewer planning in urban pipe network planning
Water tank and initial rainwater handle cabin, solve the problems, such as urban waterlogging, can also be in pipe gallery the initial segment combination river shape wetland, only
Change, just rain of regulating and storing, also can carry out landscape effect for urban belt.Therefore, rainwater enters attention of the corridor by numerous related researchers, by
Gradually at the topic hot spot of sponge urban construction.
But rainwater enters corridor and faces some problems: after rainwater enters corridor at the top of pipe gallery, since pipe gallery has centainly
Height, the gravity streams pipeline such as rain pipe, compared with other pipelines, buried depth is deeper, therefore there are significant rainwater to fall, if with
Downstream is not carried out the rainwater pipeline in pipe gallery section or is connected with discharge outlet, it is likely that exists and downstream line or discharge river
The difficult problem of absolute altitude linking, and then lead to local waterlogging；If the finally purification facility of access rainwater comprehensive utilization,
Also it will increase the energy consumption for being lifted into purification process.
On the other hand, since initial rainwater is during importing rain pipe, washing away road surface causes containing filth amount higher, this just makes
It differs greatly at initial rainwater and stationary phase Rainwater Quality, for same set of processing system, usually seems awkward.
At the same time, the popularization in sponge city to city prevent waterlogging and rainwater resource and comprehensively utilize propose requirement, can
To carry out rainwater storage using city integrated piping lane inner space, enhances the prevention waterlogging of corresponding region and promote rainwater comprehensive utilization.
It is therefore proposed that the rainwater applied to pipe gallery under a kind of the idea of the city based on sponge enters the device of corridor, with solution
Certainly above-mentioned various problems.
Summary of the invention
It is an object of the invention to provide a kind of rainwater applied to pipe gallery to enter corridor device, is able to solve rainwater and enters corridor head
Fall and cause subsequent some column safeties, reasonability problem, and carry out rainwater storage using city integrated piping lane inner space, matches
Sponge city is made in conjunction, realizes rainwater comprehensive utilization.
In order to achieve the above object, technical scheme is as follows:
A kind of rainwater applied to pipe gallery enters corridor device, it is characterised in that: the pipe gallery includes rainwater cabin, rainwater
A preposition energy dissipating sedimentation basin is arranged in cabin, and rainwater is by various collection modes, and into rain pipe, the rainwater in rain pipe passes through weight
Force flow effect enters in the energy dissipating sedimentation basin with water blocking skirtboard；Nested initial rainwater pond is gone back in the energy dissipating sedimentation basin, this is first
The water inlet of rainwater water inlet pipe in energy dissipating sedimentation basin is arranged in phase stormwater tank；In the initial rainwater pond and energy dissipating sedimentation basin
Equipped with sludge drainage system.
Wherein, the water blocking skirtboard is several, and the longitudinally staggered arrangement in energy dissipating sedimentation basin, for reducing water flow
Kinetic energy and precipitate the sediment carried in rainwater.
Wherein, be equipped with flow meters in water inlet pipe, water inlet pipe water inlet is equipped with water inlet pipe baffle, water inlet pipe baffle according to
Flow meters detect whether rainwater flows into, and adjustment water inlet pipe baffle is located above or below water inlet pipe, and then plays on or off
Close water inlet pipe.
Wherein, the sludge drainage system include pump type suction dredge, the dredge pump and mud drainage slot that are equipped in pump type suction dredge,
The dredge pump connects dredging tube suction inlet, and sludge reaches mud drainage slot by dredging tube suction inlet under the action of dredge pump.
Wherein, the filler of haydite composition is equipped in the initial rainwater pond.
Wherein, it is connected between the energy dissipating sedimentation basin and rainwater cabin by unidirectional stop valve.
Wherein, rainwater cabin is set as upper layer draining lower layer's water storage structure.
Wherein, the initial rainwater pond, energy dissipating sedimentation basin, air-introduced machine is equipped in rainwater cabin.
The pipe gallery rainwater provided by the invention that is applied to enters corridor device and has the advantage that
The present invention enters the city integrated piping lane of corridor for rainwater, enters corridor mode to rainwater and is innovated, and rainwater is arranged
Regulation Function, form it is a set of it is complete enter corridor device, specific advantage is as follows:
1, setting energy dissipation tank is coped with head and is fallen, and for the subsequent water treatment of rainwater, regulates and stores and comprehensive utilization provides basis.
2, rainwater cabin front sedimentation tank and setting initial rainwater pond greatly reduce rainwater cabin sludge and generate, and solve rainwater
The problem of cabin spoil disposal difficulty.
3, energy dissipation tank and sedimentation basin are combined into one, initial rainwater pond is nested in inside sedimentation basin and greatly reduces structures and account for
Ground area.
4, setting top in rainwater cabin drains, and lower part water storage can effectively prevent rainy season urban waterlogging and water storage in dry season
It plays a significant role, accomplishes the combination of the regulate and store theory and pipe gallery rainwater freight space in sponge city, to reach
The purpose of " stagnant, infiltration stores, net, use, row ".
5, initial rainwater pond is set in sedimentation basin, and cell system is cleverly the different quality of different phase in such pond
Rainwater is separately handled, make Rainwater Quality it is more stable, processing more efficiently it is convenient.
Detailed description of the invention
Fig. 1 is that the pipe gallery rainwater of the invention that is applied to enters corridor device section arrangement schematic diagram.
Fig. 2 is one embodiment of the invention energy dissipating sedimentation basin schematic diagram.
Fig. 3 is one embodiment of the invention initial rainwater pond schematic diagram
Fig. 4 is the rainwater cabin rainwater storage schematic diagram that one embodiment of the invention is applied to pipe gallery.
In figure: 1. rain pipes；2. initial rainwater pond；3. energy dissipating sedimentation basin；4. water blocking skirtboard；5. unidirectional stop valve；6. rain
Water tank；7. comprehensive cabin；8 (8 ') (8 ＂) air-introduced machines；
9 (9 ') dredge pumps；10 (10 ') pump type suction dredges；11 (11 ') mud drainage slots；12. water inlet pipe；13. outlet pipe；
14. flow meters；15. intelligent guard (water inlet pipe baffle)；16. filler；17. dredging tube suction inlet；
18. concrete.
Specific embodiment
A specific embodiment of the invention is further described below in conjunction with attached drawing.
As shown in Figure 1, rainwater cabin 6 and other cabins (comprehensive cabin) 7 are arranged by the present invention and preposition energy dissipating sedimentation basin 3 uses
Enter corridor in pipe gallery rainwater, rainwater reaches rain pipe 1 by various collection measures, into energy dissipating sedimentation basin 3, then arrives rainwater cabin
6, upper part draining, lower part water storage makes regulate and store theory and the combination of pipe gallery rainwater freight space in sponge city.Except this it
Outside, unidirectional stop valve 5 is arranged in the present invention also between energy dissipating sedimentation basin 3 and rainwater cabin 6, to prevent the rainwater in rainwater cabin 6 from returning
Flow to energy dissipating sedimentation basin 3.It is also provided with ventilating system in respectively constructing, if air-introduced machine 8,8 ', 8 ＂ are as aerator, on the one hand
It solves the problems, such as to be aerated in each pond, prevents water quality stench；On the other hand safety guarantee is provided for manual inspection.The embodiment of the present invention
In, pipe gallery is about 3 meters high, and on the basis of ground, pipe gallery corridor bottom is arranged apart from about 5.5 meters of ground, structures and synthesis
There are about 0.5 meter of retaining spaces at piping lane corridor bottom, in case unexpected in need.
As shown in Fig. 2, rainwater is intake from the water inlet pipe 12 of 3 upper end of energy dissipating sedimentation basin, since initial rainwater containing filth amount is high, because
Initial rainwater pond 2 is separately provided in this herein, handles the high initial rainwater of containing filth amount using initial rainwater pond 2, subtracts for follow-up system
Light load makes rainwater treatment more orderly, stable.Its working principle is: when the flow meters 14 being equipped in water inlet pipe 12
Detect that rainwater flows into, intelligent guard (water inlet pipe baffle) 15 is located at 12 top of water inlet pipe at this time, and rainwater flows into initial rainwater pond 2
Handled, by time t (initial rainwater phase duration is calculated according to regional rainfall in real time and rainwater current meter, as t) after,
Intelligent guard 15 is closed, and intelligent guard 15 is located at 12 lower section of water inlet pipe at this time, and rainwater enters energy dissipating sedimentation basin 3.Due to rainfall
The factors such as size and rain pipe absolute altitude are different cause rainwater to have certain kinetic energy.After rainwater enters energy dissipating sedimentation basin 3, encounter
The water blocking skirtboard 4 being arranged between serial pond.The water blocking skirtboard 4 is several, and the longitudinally staggered arrangement in energy dissipating sedimentation basin 3.Gear
Energy dissipation tank and sedimentation basin are integrated to a pond, not only can be effectively controlled rainwater kinetic energy, but also can guarantee rain by the setting of water skirtboard 4
Water effluent quality.Rainwater is turned back flowing in water blocking skirtboard 4, on the one hand, rainwater is stablized, and stabilization of fluidized is formed, to piping lane
System stabilization has very great help；On the other hand, the suspended particulate substance in rainwater gradually settles during with rainwater upper up-flow,
Grain object deposits to pool bottom sludge area, using the pump type suction dredge 10 of sludge drainage system, by the sludge in sludge area dredge pump 9 effect
Mud drainage slot 11 is reached by dredging tube suction inlet 17 down, sludge is then subjected to subsequent processing again, to make water quality preliminary purification.
As shown in figure 3, the filler 16 of haydite composition enters just in rainwater after initial rainwater enters in initial rainwater pond 2
There is certain buffer function in phase to since head falls the rainwater with kinetic energy, and after initial rainwater is all introduced into pond,
16 surface of filler start grow one layer of film containing microorganism, microorganism using dirty Organic substance in water as raw material, to initial rainwater into
Row purification, forms loose sludgd deposition to 2 bottom of initial rainwater pond, spoil disposal is equally arranged in 2 bottom of stormwater tank in the early stage after processing
System (9 ', 10 ', 11 '), sludge is finally collected in 11 ' of mud drainage slot through 9 ' of dredge pump, then in time in cleaning 11 ' of mud drainage slot
Sludge.In addition, after some cycles, the microbial film on 16 surface of filler thickens when leading to not adhere to more microorganisms again, will fill out
Material 16 takes out cleaning, is put into new filler, system restores original purification function again.
As shown in figure 4, water level rises in rainwater cabin 6 behind the rainwater arrival rainwater cabin 6 that preposition energy dissipating sedimentation basin comes out,
When rainwater water level reaches certain altitude, water is discharged using elevator pump, in drainage procedure, water level constantly declines, when water level is up to one
When fixed height (such as in figure at dotted line), stop draining.So, rainwater cabin 6 is formed top draining, lower part water storage
State.In this way, regulate and store theory and the pipe gallery rainwater cabin in rainy season urban waterlogging and sponge city can be effectively prevented
The combination of position, to achieve the purpose that " stagnant, infiltration stores, net, use, row ".In addition, to avoid forming anaerobism in cabin, in cabin
8 ' of air-introduced machine is set as aerator, to keep aerobic state.
There are two types of modes from the discharge of 6 top of rainwater cabin for rainwater: one kind is to be discharged to a upper layer high position according to neighbouring river absolute altitude
Storm Sewer System realizes that rainwater is avoided the peak hour discharge, and another kind is drains into external rainwater reuse purification facility progress rainwater comprehensive utilization, such as
Irrigate, afforest etc..Two kinds of discharge modes can need to select one or simultaneous selection according to system.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the invention.After those skilled in the art have read above content, for of the invention more
Kind modifications and substitutions will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. a kind of rainwater applied to pipe gallery enters corridor device, it is characterised in that: the pipe gallery includes rainwater cabin (6), rain
A preposition energy dissipating sedimentation basin (3) is arranged in water tank (6), and rainwater is by various collection modes, into rain pipe (1), rain pipe (1)
In rainwater pass through gravity stream effect enter the energy dissipating sedimentation basin (3) with water blocking skirtboard (4) in；The energy dissipating sedimentation basin (3)
In also nested initial rainwater pond (2), which is arranged entering in energy dissipating sedimentation basin (3) interior rainwater water inlet pipe (12)
At the mouth of a river；Sludge drainage system is equipped in the initial rainwater pond (2) and energy dissipating sedimentation basin (3).
2. the rainwater according to claim 1 applied to pipe gallery enters corridor device, it is characterised in that: the water blocking skirt
Plate (4) is several, and the longitudinally staggered arrangement in energy dissipating sedimentation basin (3), for reducing water flow kinetic energy and precipitate in rainwater
The sediment of carrying.
3. the rainwater according to claim 1 applied to pipe gallery enters corridor device, it is characterised in that: in water inlet pipe (12)
Equipped with flow meters (14), water inlet pipe (12) water inlet is equipped with water inlet pipe baffle (15), and water inlet pipe baffle (15) is according to flow velocity
Analyzer (14) detects whether rainwater flows into, and adjustment water inlet pipe baffle (15) is located above or below water inlet pipe (12), in turn
Open or close water inlet pipe (12).
4. the rainwater according to claim 1 applied to pipe gallery enters corridor device, it is characterised in that: the sludge drainage system
It is described including the dredge pump (9,9 ') and mud drainage slot (11,11 ') being equipped in pump type suction dredge (10,10 '), pump type suction dredge
Dredge pump connect dredging tube suction inlet (17), sludge under the action of dredge pump by dredging tube suction inlet reach mud drainage slot.
5. the rainwater according to claim 1 applied to pipe gallery enters corridor device, it is characterised in that: the initial stage rain
Filler (16) equipped with haydite composition in pond (2).
6. the rainwater according to claim 1 applied to pipe gallery enters corridor device, it is characterised in that: the energy dissipating is heavy
It is connected between shallow lake pond (3) and rainwater cabin (6) by unidirectional stop valve (5).
7. the rainwater applied to pipe gallery according to claim 1 or 6 enters corridor device, it is characterised in that: rainwater cabin (6)
It is set as upper layer draining lower layer's water storage structure.
8. the rainwater according to claim 1 applied to pipe gallery enters corridor device, it is characterised in that: the initial stage rain
Pond (2), energy dissipating sedimentation basin (3), rainwater cabin (6) are interior equipped with air-introduced machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353113.2A CN110145016A (en) | 2019-04-29 | 2019-04-29 | A kind of rainwater applied to pipe gallery enters corridor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353113.2A CN110145016A (en) | 2019-04-29 | 2019-04-29 | A kind of rainwater applied to pipe gallery enters corridor device |
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| CN110145016A true CN110145016A (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910353113.2A Pending CN110145016A (en) | 2019-04-29 | 2019-04-29 | A kind of rainwater applied to pipe gallery enters corridor device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507460A (en) * | 2022-09-23 | 2022-12-23 | 上海电器科学研究所（集团）有限公司 | Water circulation cold accumulation dehumidification system and method applied to comprehensive pipe rack |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101179008B1 (en) * | 2011-06-01 | 2012-08-31 | 서울특별시 | Baffle to prevent clearwell or water reservoir from deadzone formation |
| CN202689171U (en) * | 2012-07-20 | 2013-01-23 | 重庆大学 | Intercepting well for intercepting initial rainwater source |
| CN104817209A (en) * | 2015-04-29 | 2015-08-05 | 安徽清环水工科技有限公司 | Buried efficient treater of initial rainwater |
| CN107604943A (en) * | 2017-09-10 | 2018-01-19 | 沈阳建筑大学 | Comprehensive pipe gallery structure with vertical shaft |
| CN107965031A (en) * | 2018-01-12 | 2018-04-27 | 招商局重庆交通科研设计院有限公司 | A kind of system for collecting, handle, putting aside, utilizing for initial rainwater runoff |
| CN207727748U (en) * | 2017-12-18 | 2018-08-14 | 重庆大学 | A kind of rainwater energy dissipation tank with processing function |
-
2019
- 2019-04-29 CN CN201910353113.2A patent/CN110145016A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101179008B1 (en) * | 2011-06-01 | 2012-08-31 | 서울특별시 | Baffle to prevent clearwell or water reservoir from deadzone formation |
| CN202689171U (en) * | 2012-07-20 | 2013-01-23 | 重庆大学 | Intercepting well for intercepting initial rainwater source |
| CN104817209A (en) * | 2015-04-29 | 2015-08-05 | 安徽清环水工科技有限公司 | Buried efficient treater of initial rainwater |
| CN107604943A (en) * | 2017-09-10 | 2018-01-19 | 沈阳建筑大学 | Comprehensive pipe gallery structure with vertical shaft |
| CN207727748U (en) * | 2017-12-18 | 2018-08-14 | 重庆大学 | A kind of rainwater energy dissipation tank with processing function |
| CN107965031A (en) * | 2018-01-12 | 2018-04-27 | 招商局重庆交通科研设计院有限公司 | A kind of system for collecting, handle, putting aside, utilizing for initial rainwater runoff |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507460A (en) * | 2022-09-23 | 2022-12-23 | 上海电器科学研究所（集团）有限公司 | Water circulation cold accumulation dehumidification system and method applied to comprehensive pipe rack |
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Application publication date: 20190820 |
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