CN206987012U - A kind of rain dirt hybrid junction formula drainage system - Google Patents
A kind of rain dirt hybrid junction formula drainage system Download PDFInfo
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- CN206987012U CN206987012U CN201720348946.6U CN201720348946U CN206987012U CN 206987012 U CN206987012 U CN 206987012U CN 201720348946 U CN201720348946 U CN 201720348946U CN 206987012 U CN206987012 U CN 206987012U
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- well
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- rain dirt
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Abstract
The utility model provides a kind of rain dirt hybrid junction formula drainage system, when not rainfall or smaller rainfall, the rain dirt mixing water flowed into branch road hybrid junction pipe is mainly sewage, sewage is flow in overflow well from rain dirt hybrid junction pipe, then flow to municipal wastewater pipe through the first sewage draining exit, the first connecting tube, current limliting well, blow-off pipe；So, sewage would not flow into polluted source in river course in large quantities.When rainfall is larger, the rain dirt mixing water flowed into rain dirt hybrid junction pipe is mainly rainwater, when water-level gauge measures current limliting WIH position and is higher by preset water level, control device control electrically-controlled valve is closed, then the water level in overflow well will raise, when the water level in overflow well rises to overfall position, rainwater and sewage can drain into river course from overfall, and excessive discharge pressure will not be thus caused to municipal wastewater pipe.A kind of rain dirt hybrid junction formula drainage system of the present utility model, improvement cost is relatively low, especially suitable for transforming the drainage of rain dirt hybrid junction situation.
Description
Technical field
A kind of rain dirt hybrid junction formula drainage system is the utility model is related to, is used to exclude street surface more particularly to a kind of
Early-stage rainwater and hybrid junction sewage, and strictly limit the drainage system that rainwater enters municipal wastewater pipe.
Background technology
On April 2nd, 2015, State Council issued《Water prevention and cure of pollution action plan》(ten, water), it is desirable to the year two thousand twenty, entirely
State's quality of water environment obtains interim improvement, and seriously polluted water body is reduced by a relatively large margin, and seven big major river valley water quality are excellent (to be reached
Or better than III class) ratio totally reaches more than 70%, region and above completed region of the city black and odorous water are controlled within 10%,
Beijing Tianjin and Hebei Region is lost declines 15 percentage points or so using the water body section ratio of function (being inferior to V classes), the Yangtze River Delta, Pearl River Delta
Strive eliminating the water body lost using function in region.To the year two thousand thirty, the national seven big excellent ratios of major river valley water quality totally reach
More than 75%, completed region of the city black and odorous water is totally eliminated.Therefore, most of city has set about carrying out black-odor riverway and again
Polluted river channel renovation.
The external source pollution of completed region of the city is the black smelly main reason of urban water-body, including point-source pollution and face source it is dirty
Dye, at present, most built-up areas have been carried out the dirty shunting of rain, but the dirty shunting of some region rain is not thorough, still there is part interflow
Sewage is discharged into river course, and is generally also all to be discharged into rain pipe for balcony wash water etc., and these hybrid junctions enter the dirt of rain pipe
Water produces pollution to water quality.Meanwhile completed region of the city, because the density of population is high, vehicle flowrate is big, the original such as atmosphere dried wet deposition
Cause, the pollutant that its first rain runoff carries can also produce considerable influence to water body.
For the hybrid junction sewage of completed region of the city, most thoroughly measure is to implement the dirty shunting transformation of rain from source, and sewage is discharged into
In municipal wastewater pipe, rainwater is discharged into river course；But a lot of reasons is based on, such as sewage source investigation is difficult, existing pipeline is walked
To not clear, funds limitation etc., it can not thoroughly implement shunting transformation in source, these situations cause regional area to realize thoroughly rain
Dirt shunting is very difficult.For these situations, implement to dam processing on the contrary from end to a small amount of rainwater and sewage hybrid junction pipeline
It is easier to operate to.Enter river to effectively cut down hybrid junction sewage and contaminated early-stage rainwater, and control rainwater to enter municipal wastewater
The flow of pipe, prevent river from pouring in down a chimney into intercepting sewer, reduce the surge to sewage treatment plant, find a kind of rain dirt hybrid junction formula
Drainage system is very necessary to transform local drainage system.
Utility model content
In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of rain dirt hybrid junction formula draining
System, suitable for the drainage of rain dirt hybrid junction, mitigate the pollution to river course, improvement cost is relatively low.
To achieve the above object, the utility model provides a kind of rain dirt hybrid junction formula drainage system, adopts the following technical scheme that：
A kind of rain dirt hybrid junction formula drainage system, including overflow well, current limliting well and rain dirt hybrid junction pipe；The rain dirt hybrid junction pipe connects with overflow well
Connect, overfall and the first sewage draining exit are provided with overflow well, the position of overfall is higher than the position of the first sewage draining exit；Overfall is with leading to
Connected to the overflow pipe in river course, the first connecting tube for leading to current limliting well is connected with the first sewage draining exit；Current limliting well passes through blow-off pipe
It is connected with municipal wastewater pipe；Water-level gauge is provided with current limliting well, is connected with electrically-controlled valve on blow-off pipe, water-level gauge and electrically-controlled valve with control
Device connection processed, when water-level gauge, which measures current limliting WIH position, is higher by preset water level, control device control electrically-controlled valve is closed.
Preferably, check valve is provided with the overfall, when overflow WIH position is higher than water level in river course, check valve
Open.
It is further preferable that the overflow well includes the first well room and the second well room, set between the first well room and the second well room
There is the first partition wall；First sewage draining exit is arranged in the first well room side wall, and the first water inlet is additionally provided with the first well room side wall
Mouthful, the position of the first water inlet is higher than the position of the first sewage draining exit, and the rain dirt hybrid junction pipe is connected on the first water inlet；It is described
Overfall is arranged on the first partition wall, and the overflow pipe connects with the second well room.
It is further preferable that the unidirectional valve position is higher than river course ordinary water level.
Preferably, the current limliting well includes the 3rd well room and the 4th well room, and the is provided between the 3rd well room and the 4th well room
Two compartment wall；First connecting tube is connected with the 3rd well room, and the water-level gauge is located in the 3rd well room, and the 3rd well room bottom is set
There is the second sewage draining exit, the blow-off pipe is connected on the second sewage draining exit, and the electrically-controlled valve is located in the 4th well room.
Preferably, in addition to rainfall gauge, rainfall gauge are connected with control device, are less than default rain when rainfall gauge measures rainfall
During value, control device control electrically-controlled valve is opened.
Preferably, the rain dirt hybrid junction pipe is used for the rainwater and hybrid junction sewage for collecting street surface.
As described above, a kind of rain dirt hybrid junction formula drainage system that the utility model is related to, has the advantages that：Utilize
During a kind of rain dirt hybrid junction formula drainage system of the present utility model, when not rainfall or smaller rainfall, branch road hybrid junction pipe is flowed into
In rain dirt mixing water be mainly sewage or contaminated early-stage rainwater, sewage or contaminated early-stage rainwater pass through rain dirt hybrid junction
Pipe is flow in overflow well, because the overfall of overflow well is higher than the first sewage draining exit, so sewage can be introduced into the first sewage draining exit, so
Municipal wastewater pipe is flow to by the first sewage draining exit, the first connecting tube, current limliting well, blow-off pipe；So, sewage or contaminated initial stage
Rainwater would not flow into polluted water in river course in large quantities.When rainfall is larger, the rain dirt flowed into rain dirt hybrid junction pipe mixes
Water is mainly rainwater, and rainwater and a small amount of sewage, which mix, flows into current limliting well, and the water level rise in current limliting well, water-level gauge measures
When current limliting WIH position is higher by preset water level, control device control electrically-controlled valve is closed, and rainwater and sewage can no longer flow to municipal dirt
In water pipe, then the water level in overflow well will raise, when the water level in overflow well rises to overfall position, rainwater and sewage
River course can be drained into from overfall, excessive discharge pressure will not be thus caused to municipal wastewater pipe.Thus, it is of the present utility model
A kind of rain dirt hybrid junction formula drainage system can will be based on sewage and contaminated just rain runoff in not rainfall and less rainfall
Rain dirt mixing water drain into municipal wastewater pipe, so as to reduce the pollution to river course；When rainfall is larger, by being precisely controlled,
Rainwater can be limited and be discharged into municipal wastewater pipeline, the rain dirt mixing water based on rainwater is drained into river course, so as to reduce municipal administration
The discharge pressure of sewage pipe.A kind of rain dirt hybrid junction formula drainage system of the present utility model is tight especially suitable for transformation pollution of area source
Weight, rain dirt hybrid junction simultaneously strictly limit the drainage that rainwater enters municipal wastewater pipe, mitigate the pollution to river course, improvement cost
It is relatively low.
Brief description of the drawings
Fig. 1 is shown as a kind of attachment structure schematic diagram of rain dirt hybrid junction formula drainage system of the present utility model.
Fig. 2 is shown as the cross-sectional view moved towards along rain dirt hybrid junction pipe and overflow pipe of the overflow well in Fig. 1.
Fig. 3 is shown as the cross-sectional view of the overlook direction of the overflow well in Fig. 1.
Fig. 4 is shown as a kind of a kind of connection knot of preferred embodiment of rain dirt hybrid junction formula drainage system of the present utility model
Structure schematic diagram, multiple overflow wells are connected with current limliting well.
The cross-sectional view that the current limliting well that Fig. 5 is shown as in Fig. 1 moves towards along the first connecting tube and blow-off pipe.
Fig. 6 is shown as the cross-sectional view of the overlook direction of the current limliting well in Fig. 1.
Component label instructions
The water inlet of 1 overflow well 15 second
The sewage draining exit of 2 first well room 16 second
The overflow pipe of 3 second well room 17
The river course of 4 first partition wall 18
The connecting tube of 5 first water inlet 19 first
The connecting tube of 6 first sewage draining exit 20 second
The blow-off pipe of 7 overfall 21
The municipal wastewater pipe of 8 rain dirt hybrid junction pipe 22
The water-level gauge of 9 discharge outlet 23
The electrically-controlled valve of 10 check valve 24
The control device of 11 current limliting well 25
The rainfall gauge of 12 the 3rd well room 26
The building construction of 13 the 4th well room 27
14 second partition walls
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off
The content shown, so that those skilled in the art understands and reads, it is not limited to the enforceable restriction bar of the utility model
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing
Under the effect of the utility model can be generated and the purpose that can reach, all should still it fall in the technology disclosed in the utility model
In the range of Rong get Neng is covered.It is meanwhile cited such as " on ", " under ", "left", "right", " centre " and " one " in this specification
Deng term, be merely convenient to narration understand, and be not used to limit the enforceable scope of the utility model, its relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in figure 1, the utility model provides a kind of rain dirt hybrid junction formula drainage system, including overflow well 1, the and of current limliting well 11
Rain dirt hybrid junction pipe 8；The rain dirt hybrid junction pipe 8 is connected with overflow well 1, as shown in Figures 2 and 3, overfall 7 is provided with overflow well 1
With the first sewage draining exit 6, the position of overfall 7 is higher than the position of the first sewage draining exit 6；Overfall 7 and the overflow pipe for leading to river course 18
17 are connected, and the first connecting tube 19 for leading to current limliting well 11 is connected with the first sewage draining exit 6；As shown in Figure 5 and Figure 6, current limliting well 11
It is connected by blow-off pipe 21 with municipal wastewater pipe 22；Water-level gauge 23 is provided with current limliting well 11, electrically-controlled valve is connected with blow-off pipe 21
24, water-level gauge 23 is connected with electrically-controlled valve 24 with control device 25, when water-level gauge 23 measure water level in current limliting well 11 be higher by it is default
During water level, control device 25 controls electrically-controlled valve 24 to close.During using a kind of rain dirt hybrid junction formula drainage system of the present utility model, when
When not rainfall or smaller rainfall, the rain dirt mixing water flowed into branch road hybrid junction pipe is mainly sewage or contaminated just rain footpath
Stream, sewage or contaminated just rain runoff are flow in overflow well 1 by rain dirt hybrid junction pipe 8, because the overfall 7 of overflow well 1 is high
In the first sewage draining exit 6, so sewage can be introduced into the first sewage draining exit 6, then through the first sewage draining exit 6, the first connecting tube 19, current limliting
Well 11, blow-off pipe 21 flow to municipal wastewater pipe 22；So, sewage or contaminated just rain runoff would not flow into dirty in river course 18
Contaminate water quality.When rainfall is larger, the rain dirt mixing water flowed into rain dirt hybrid junction pipe 8 is mainly rainwater, rainwater and a small amount of dirt
Water, which mixes, flows into current limliting well 11, the water level rise in current limliting well 11, water-level gauge 23 measure water level in current limliting well 11 be higher by it is pre-
If during water level, the control of control device 25 is closed so that the water in current limliting well 11 can not flow towards the electrically-controlled valve 24 of municipal wastewater pipe
Enter blow-off pipe 21, rainwater and a small amount of sewage can be no longer flow in municipal wastewater pipe 22, then the water level in overflow well 1 will rise
Height, when the water level in overflow well 1 rises to 7 position of overfall, rainwater and sewage can drain into river course 18 from overfall 7, so,
Excessive discharge pressure would not be caused to municipal wastewater pipe 22 in rainfall larger period, sewage treatment plant will not also be produced
Impact load.Thus, a kind of rain dirt hybrid junction formula drainage system of the present utility model can will be with not rainfall and less rainfall
Rain dirt mixing water based on sewage or contaminated just rain runoff drains into municipal wastewater pipe 22, so as to reduce the dirt to river course 18
Dye；When rainfall is larger, precisely monitored, the rain dirt mixing water based on rainwater can be drained into river course 18 by water level,
So as to reduce the discharge pressure of municipal wastewater pipe 22.A kind of rain dirt hybrid junction formula drainage system of the present utility model, especially suitable for
Suitable for transforming serious neighbour's pollution of area source, the dirty hybrid junction of rain and strictly limiting rainwater into the drainage of municipal wastewater pipe, subtract
It is gently relatively low to the pollution in river course 18, improvement cost.
In order that a kind of control of current limliting well for drainage system of the present utility model is more reasonable, as a kind of preferred
Mode, after electrically-controlled valve 24 is closed, (interlude is adjustable) sends signal to control device 25 at regular intervals, control
Device 25 processed controls electrically-controlled valve 24 to open, and water-level gauge 23 is sent out in 10~15 minutes (interlude is adjustable) backward control device 25
Go out water level signal, if the water level for detecting in the first well room 2 exceedes preset water level, control device 25 is again switched off electrically-controlled valve
24；If detecting, the water level in the first well room 2 is less than preset water level, and control device 25 controls electrically-controlled valve 24 to be maintained at opening state
State.
In order to prevent the water in river course 18 from pouring in down a chimney into overflow well 1, as a preferred embodiment, such as Fig. 2 and Fig. 3
It is shown, check valve 10 is provided with the overfall 7, when water level is higher than water level in river course 18 in overflow well 1, check valve 10 is beaten
Open, the water in overflow well 1 is flowed into river course 18.Check valve 10 makes the water in overflow well 1 to be flowed by overfall 7 to river course 18
Dynamic, check valve 10 can use flap valve, duckbill valve, the medium-sized check-valves of pipe etc..If risen in river course 18 and cause the reclaimed water of river course 18
When position is higher than the water level in overflow well 1, check valve 10 is closed, and the water in river course 18 can not pour in down a chimney into overflow well 1.During rainfall,
Rain dirt mixing water in rain dirt hybrid junction pipe 8 is inputted municipal administration by rainfall initial stage by overflow well 1, the first connecting tube 19, blow-off pipe 21
Sewage pipe 22；After rainfall increase, water-level gauge 23 measures water level in current limliting well 11 and exceeds preset water level in current limliting well 11, then water-level gauge
23 send signal to control device 25, and control device 25 controls electrically-controlled valve 24 to close, and the water level in overflow well 1 will raise, when
When water level in overflow well 1 is increased at overfall 7, check valve 10 is opened by top, and the water in overflow well 1 leads to overflow pipe and flow to river course
In 18.Water-level gauge 23 can use ultrasonic level gage, magnetic float level indicator etc., and the detection data of water-level gauge 23 can be transmitted to control
Device 25 processed, the time interval that water-level gauge 23 measures is manually adjustable.
In a kind of technical scheme of rain dirt hybrid junction formula drainage system of the present utility model, the concrete structure of overflow well 1 can
Design is actually needed with basis, as a preferred embodiment, as shown in Figures 2 and 3, the overflow well 1 includes first
The well room 3 of well room 2 and second, the first partition wall 4 is provided between the first well room 2 and the second well room 3；First sewage draining exit 6 is set
In the side wall of the first well room 2, the first water inlet 5 is additionally provided with the side wall of the first well room 2, the position of the first water inlet 5 is higher than first
The position of sewage draining exit 6, the rain dirt hybrid junction pipe 8 are connected on the first water inlet 5；The overfall 7 is arranged on the first partition wall 4
On, the overflow pipe 17 connects with the second well room 3, and the side wall of the second well room 3 is provided with discharge outlet 9, the row of being connected to of overflow pipe 17
On the mouth of a river 9.When not raining or rainfall is smaller, the water in rain dirt hybrid junction pipe 8 flows into the first well room 2, and through the first blowdown
The 6, first connecting tube 19 of mouth, current limliting well 11, blow-off pipe 21 are flow in municipal wastewater pipe 22；When rainfall is larger, current limliting well 11
In electrically-controlled valve 24 close, the water level in the first well room 2 be increased at overfall 7 and by check valve 10 top open, in the first well room 2
The discharge outlet 9 that flow in the second well room 3 and from the bottom of the second well room 3 of water flow in overflow pipe 17, so as to flow in river course 18.
Preferably, the outlet of the overflow pipe 17 is typically in 20 below the ordinary water level of river course 18 below the ordinary water level of river course 18
Centimetre；So, overflow pipe 17, the landscape neat appearance in river course 18 are can't see from the outside.As shown in Fig. 2 the normal water in river course 18
Position is less than overfall 7 above discharge outlet 9, and when river course 18 is in ordinary water level, the water in river course 18 marginally flows into second
In well room 3, the water level in the second well room 3 is concordant with the water level in river course 18, and the position of check valve 10 is normal higher than river course 18
Water level, so, check valve 10 will not be covered when water level is normal in river course 18.As shown in figure 4, as a kind of rain of the present utility model
A kind of preferred embodiment of dirty hybrid junction formula drainage system, the rain dirt hybrid junction formula drainage system include more rain dirt hybrid junction pipes 8
With multiple overflow wells 1, each overflow well 1 be serially connected and then and is cascaded with current limliting well 11, adjacent two overflow wells 1
Connected by the second connecting tube 20 between first well room 2, connected between current limliting well 11 and the first well room 2 of overflow well 1 by first
Adapter 19 connects.Each second connecting tube 20 is laid along river course 18, and the rain dirt hybrid junction pipe 8 that each collection of overflow well 1 is dispensed into river is arranged
The rain dirt mixing water put, when rainfall is smaller or not rainfall, the rain dirt mixing water collected by each overflow well 1 drains into through current limliting well 11
Municipal wastewater pipe 22；When rainfall is larger, overflow pipe 17 of the water through each overflow well 1 in rain dirt hybrid junction pipe 8 is drained into river course 18.
In a kind of technical scheme of rain dirt hybrid junction formula drainage system of the present utility model, the concrete structure of current limliting well 11 can
Design is actually needed with basis, as a preferred embodiment, as shown in Figure 5 and Figure 6, the current limliting well 11 includes the 3rd
The well room 13 of well room 12 and the 4th, is provided with the second partition wall 14 between the 3rd well room 12 and the 4th well room 13；First connecting tube
19 are connected with the 3rd well room 12, and the water-level gauge 23 is located in the 3rd well room 12, and the bottom of the 3rd well room 12 is provided with the second sewage draining exit
16, the blow-off pipe 21 is connected on the second sewage draining exit 16, and the electrically-controlled valve 24 is located in the 4th well room 13, in the 3rd well room 12
Side wall be provided with the second water inlet 15, the position of the second water inlet 15 is higher than the position of the second sewage draining exit 16, the first connecting tube
19 are connected on the second water inlet 15.When not rainfall or less rainfall, electrically-controlled valve 24 is in open mode, is passed through from overflow well 1
First connecting tube 19 flow to the water of the 3rd well room 12, and the blow-off pipe 21 through being connected on the second sewage draining exit 16 flow to municipal wastewater again
In pipe 22, the water now flowing in municipal wastewater pipe 22 is mainly sewage；When rainfall is larger, water-level gauge 23 detects the 3rd
Water level in well room 12 exceedes preset water level, and water-level gauge 23 sends signal to control device 25, and control device 25 controls electrically-controlled valve
24 close.Electrically-controlled valve 24 is arranged on blow-off pipe 21, and electrically-controlled valve 24 is located in the 4th well room 13, under normal circumstances, the 4th well
It is no water in room 13, the 4th well room 13 is used to accommodating and overhauling electrically-controlled valve 24.As shown in Figure 5 and Figure 6, as a kind of preferred
Mode, rain dirt hybrid junction formula drainage system of the present utility model, in addition to rainfall gauge 26, the rainfall gauge 26 located at ground with
On, for detecting rainfall；Rainfall gauge 26 is connected with control device 25, is less than default rainfall value when rainfall gauge 26 measures rainfall
When, control device 25 controls electrically-controlled valve 24 to open.So, it is mainly rainwater when rainfall is big, in rain dirt hybrid junction pipe 8, it is automatically controlled
Valve 24 is closed and the water in rain dirt hybrid junction pipe 8 is flow to through overflow well 1 in river course 18, the discharge pressure of municipal wastewater pipe 22 compared with
It is small；When rainfall is gradually reduced, predominantly sewage, rainfall gauge 26 measure rainfall and are less than default rainfall in rain dirt hybrid junction pipe 8
Amount, rainfall gauge 26 send signal to control device 25, the control of control device 25 open towards the electrically-controlled valve 24 of municipal wastewater pipe and
Sewage is set normally to flow into blow-off pipe 21, sewage is continuously flowed in municipal wastewater pipe 22, so as to reduce sewage pollution river course 18.
A kind of rain dirt hybrid junction formula drainage system of the present utility model is applied to the situation of rain dirt hybrid junction discharge, especially suitable for
The situation that improvement cost is high, transformation difficulty is big,
Sewage caused by resident and trade company is often poured onto in rain pipe, and now rain pipe is exactly rain dirt hybrid junction pipe 8, in this rain
Dirt shunts incomplete area, and rain dirt hybrid junction pipe 8 is used to collect few in rainwater, the sewage arbitrarily toppled over and the neighbour of street surface
Measure hybrid junction sewage.
In a kind of rain dirt hybrid junction formula drainage system of the present utility model, rain dirt hybrid junction pipe 8, the first connecting tube 19, second
Connecting tube 20, blow-off pipe 21 typically using the manufacture such as pipe of concrete, HDPE, HRPP, UPVC and RPM, can also use
Concrete canal.First connecting tube 19, the second connecting tube 20, blow-off pipe 21 are typically laid in the flood control passage of river course 18 or greening
Band in, if without place lay, can also be laid in the internal frame pipe of river course 18, pay attention to pipeline sealing and the gradient so that draining is unobstructed.Electricity
Control valve 24 can use various types of magnetic valves or motor-driven valve, according to the preset water level that water-level gauge 23 is set by control device 25
Opened and closed to control, the preset water level determines according to the project situation of reality, here can not exhaustive list.Rain
Gauge 26 can use siphon rainfall recorder 26, weighing type rain gauge 26 and tipping-bucket rain-gauge 26 etc., and rainfall gauge 26 can be surveyed automatically
Measure and transmit rainfall data to control device 25.Rainfall gauge 26 sends measurement number according to the default rainfall of setting to control device
According to, control device 25 is acceptable and records the measurement data of water-level gauge 23 and rainfall gauge 26, and according to program prepared in advance point
Data are analysed, when rainfall is less than default rainfall, control device control electrically-controlled valve 24 is opened and makes the blowdown in current limliting well 11
Pipe 21 turns on, and control device also has the functions such as fault alarm simultaneously.
Based on above-mentioned technical proposal, a kind of rain dirt hybrid junction formula drainage system of the present utility model is applied to water utilities and environment work
Journey field, the transformation for the rain dirt hybrid junction drainage system that is particularly suitable for use in.For having been carried out rain dirt Diverging area but locally lying in hybrid junction
The rain dirt hybrid junction pipe 8 of sewage, by setting the facilities such as overflow well 1, current limliting well 11 along the river, in not rainfall or few rainfall, by rain
Sewage collecting in dirty hybrid junction pipe 8 is simultaneously delivered in municipal wastewater pipe 22, is reduced sewage and is produced pollution to river course 18；In rainfall
When big, the rain dirt mixing water based on rainwater in rain dirt hybrid junction pipe 8 is flow in river course 18 through overflow well 1, municipal wastewater pipe
22 discharge pressure is smaller；, can be by sewage transport into municipal wastewater official 22 when rainfall stops, draining work(of bringing into normal play
Energy.A kind of rain dirt hybrid junction formula drainage system of the present utility model need not be put into the melting pot to former drainage system, and implementation cost is relatively low, by
This, a kind of rain dirt hybrid junction formula drainage system of the present utility model, especially suitable for transformation, pollution of area source is serious, the dirty hybrid junction of rain, and
Strict limitation rainwater enters the drainage of municipal wastewater pipe, mitigates the pollution to river course 18, improvement cost is relatively low.
In summary, the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value
Value.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (7)
1. a kind of rain dirt hybrid junction formula drainage system, it is characterized in that, including overflow well (1), current limliting well (11) and rain dirt hybrid junction pipe
(8)；
The rain dirt hybrid junction pipe (8) is connected with overflow well (1), and overfall (7) and the first sewage draining exit (6) are provided with overflow well (1),
The position of overfall (7) is higher than the position of the first sewage draining exit (6)；Overfall (7) is with leading to the overflow pipe (17) of river course (18) even
It is logical, the first connecting tube (19) for leading to current limliting well (11) is connected with the first sewage draining exit (6)；Current limliting well (11) passes through blow-off pipe
(21) it is connected with municipal wastewater pipe (22)；
Water-level gauge (23) is provided with current limliting well (11), is connected with electrically-controlled valve (24) on blow-off pipe (21), water-level gauge (23) with it is automatically controlled
Valve (24) is connected with control device (25), when water-level gauge (23) measures water level is higher by preset water level in current limliting well (11) when, control
Device (25) control electrically-controlled valve (24) processed is closed.
2. rain dirt hybrid junction formula drainage system according to claim 1, it is characterized in that：List is provided with the overfall (7)
To valve (10), when water level is higher than water level in river course (18) in overflow well (1), check valve (10) is opened.
3. rain dirt hybrid junction formula drainage system according to claim 2, it is characterized in that：The overflow well (1) includes the first well
Room (2) and the second well room (3), the first partition wall (4) is provided between the first well room (2) and the second well room (3)；First blowdown
Mouth (6) is arranged in first well room (2) side wall, and the first water inlet (5), the first water inlet are additionally provided with first well room (2) side wall
(5) position is higher than the position of the first sewage draining exit (6), and the rain dirt hybrid junction pipe (8) is connected on the first water inlet (5)；It is described
Overfall (7) is arranged on the first partition wall (4), and the overflow pipe (17) connects with the second well room (3).
4. rain dirt hybrid junction formula drainage system according to claim 2, it is characterized in that：Check valve (10) position is higher than river
Road (18) ordinary water level.
5. rain dirt hybrid junction formula drainage system according to claim 1, it is characterized in that：The current limliting well (11) includes the 3rd well
Room (12) and the 4th well room (13), are provided with the second partition wall (14) between the 3rd well room (12) and the 4th well room (13)；Described
One connecting tube (19) is connected with the 3rd well room (12), and the water-level gauge (23) is located in the 3rd well room (12), the 3rd well room (12)
Bottom is provided with the second sewage draining exit (16), and the blow-off pipe (21) is connected on the second sewage draining exit (16), electrically-controlled valve (24) position
In the 4th well room (13).
6. rain dirt hybrid junction formula drainage system according to claim 1, it is characterized in that：Also include rainfall gauge (26), rainfall gauge
(26) it is connected with control device (25), when rainfall gauge (26), which measures rainfall, is less than default rainfall value, control device (25) control
Electrically-controlled valve (24) processed is opened.
7. rain dirt hybrid junction formula drainage system according to claim 1, it is characterized in that：The rain dirt hybrid junction pipe (8) is used to receive
Collect the rainwater and hybrid junction sewage of street surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348946.6U CN206987012U (en) | 2017-04-05 | 2017-04-05 | A kind of rain dirt hybrid junction formula drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348946.6U CN206987012U (en) | 2017-04-05 | 2017-04-05 | A kind of rain dirt hybrid junction formula drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206987012U true CN206987012U (en) | 2018-02-09 |
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| CN201720348946.6U Withdrawn - After Issue CN206987012U (en) | 2017-04-05 | 2017-04-05 | A kind of rain dirt hybrid junction formula drainage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675381A (en) * | 2020-06-19 | 2020-09-18 | 中国城市建设研究院有限公司 | Method for treating rain sewage mixed flowing water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675381A (en) * | 2020-06-19 | 2020-09-18 | 中国城市建设研究院有限公司 | Method for treating rain sewage mixed flowing water |
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |