CN107558568A - A kind of separate sewage system and control method of sewage and rainwater - Google Patents
A kind of separate sewage system and control method of sewage and rainwater Download PDFInfo
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- CN107558568A CN107558568A CN201710919286.7A CN201710919286A CN107558568A CN 107558568 A CN107558568 A CN 107558568A CN 201710919286 A CN201710919286 A CN 201710919286A CN 107558568 A CN107558568 A CN 107558568A
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- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 162
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 267
- 238000012545 processing Methods 0.000 claims abstract description 36
- 239000008239 natural water Substances 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 36
- 238000012544 monitoring process Methods 0.000 claims description 32
- 238000012806 monitoring device Methods 0.000 claims description 14
- 230000003204 osmotic effect Effects 0.000 claims description 11
- 239000002349 well water Substances 0.000 claims description 11
- 235000020681 well water Nutrition 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 238000005189 flocculation Methods 0.000 claims description 2
- 230000016615 flocculation Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 230000017105 transposition Effects 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims description 2
- 238000013327 media filtration Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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- Sewage (AREA)
Abstract
The present invention provides a kind of separate sewage system of sewage and rainwater, including the trunk sewer on town road, the outlet of trunk sewer are provided with sewage treatment plant；Storm-water sewer on town road, the end of Storm-water sewer are connected with natural water；Storm sewer and sewage conduct in unit area, sewage conduct are connected with trunk sewer；The outlet of storm sewer sets rain processing system, and rain processing system includes shunting device, regulate and store facility and online treatment facility；The water inlet of storm sewer and shunting device is connected, and the first delivery port of shunting device is connected with trunk sewer, and the second delivery port is connected with facility of regulating and storing, and the 3rd delivery port is connected with online treatment facility, and the 4th delivery port is connected with Storm-water sewer.System architecture of the invention is simple, it is convenient to build, and only shunting device need to be built in the limited region of cell, regulate and store facility and the online treatment facility i.e. achievable efficient process to the combined sewage in cell area.
Description
Technical field
The present invention relates to a kind of combined flow system pipe network system, and in particular to a kind of combined flow system system of sewage and rainwater
System and control method.
Background technology
Municipal drainage system is broadly divided into combined drainage system and separate sewage system.The interflow occurred earliest
Drainage system processed is that sewage, industrial wastewater and rainwater are blended in same pipe duct, is just directly arranged nearby without any processing
Enter water body, be stained significantly receiving water body, lot of domestic and international mature city is nearly all in this way.Now frequently with
It is interceptive combined system drainage system.
Interceptive combined system drainage system and traditional combined drainage system are essentially identical in structure, and distinctive points are
Interceptive combined system drainage system is provided with Vatch basin between municipal administration interflow main and sewage treatment plant.Interceptive combined system is arranged
When water system works, the rainwater that the sewage and inlet for stom water of resident's discharge are collected all enters municipal administration interflow main by collaborating house steward,
The rainwater that inlet for stom water along town road is collected also all enters municipal administration interflow main, and Vatch basin is set in main end.Fine day
When, all sewage are all delivered to sewage plant, and natural water is discharged into after processing.During rainfall, the rainwater at sewage and rainfall initial stage
Also sewage plant can be transported to, natural water is discharged into after processing.But with the increase of rainfall, rainfall runoff also increases,
After the flow of combined sewage exceedes the conveyance power of water for the main that dams, just have part combined sewage overflow and be directly entered nature
Water body.
For this combined drainage system, its problem is mainly：1. during rainfall, it can be produced on residential area and town road
Pollution of area source, although existing combined drainage system is dammed in end provided with Vatch basin, the interception ratio of design
Not enough so that Vatch basin could not intercept to area source pollutants, and area source pollutants are directly entered natural water, to natural water
Pollute.2. to be controlled to pollution of area source, it is necessary to increase the size of Vatch basin, increase the size for the main that dams,
Increase the capacity of sewage plant.3. Vatch basin dams for the control of extensive style, it is impossible to accurately early-stage rainwater is dammed.
Separate sewage system is divided into complete separate system and incomplete separate system two again according to the difference for excluding rainwater mode
Kind drainage system.Complete separate sewage system is completely to separate rainwater and sanitary sewage, trade effluent, by different pipelines
Conveyed.The sewage of resident's discharge enters trunk sewer by sewage conduct, is discharged after being then sent to sewage plant processing, rain
The rainwater that the mouth of a river is collected enters Storm-water sewer by storm sewer, is directly discharged to natural water.Rainwater along town road
The rainwater that mouth is collected also all enters Storm-water sewer, is directly discharged to natural water.In this separate sewage system, there is
Many problems：1. the part of contaminated water in residential area mistakenly enters the sewage that washing machine is discharged on storm sewer, such as balcony
Natural water can be directly discharged to.2. the part of contaminated water on town road mistakenly enters storm sewer, such as road cleaning
Caused sewage can be directly discharged to natural water.3. during rainfall, pollution of area source, face can be produced on residential area and town road
Source pollutants can be directly entered natural water.
Incomplete separate system is primarily directed on the rainwater and town road that in the collection processing of rainwater, residential block is collected
The rainwater being collected into is separated.The rainwater that the sewage and inlet for stom water of resident's discharge are collected all is discharged by collaborating house steward, is being entered
Vatch basin is set to be dammed before entering municipal drainage pipeline.The rainwater that inlet for stom water along town road is collected is done into rainwater
Pipe, is directly discharged to natural water.During fine day, the sewage of residential area discharge is trapped to trunk sewer, is then sent to sewage
Factory, natural water is discharged into after processing, but part of contaminated water is had on town road and is directly discharged to certainly into Storm-water sewer
Right water body.During rainfall, the sewage and the rainwater at rainfall initial stage of residential area discharge can be also trapped to trunk sewer, be then sent to
Sewage plant, natural water is discharged into after processing, but as the increase of rainfall, rainfall runoff also increase, when combined sewage
After flow exceedes the conveyance power of water for the pipeline that dams, just have part combined sewage overflow and be directly entered Storm-water sewer, while city
The early-stage rainwater of a large amount of pollutants is carried on political affairs road can also be directly entered Storm-water sewer, be then discharged to natural water.This
The problem of kind of drainage system is mainly：1. whole system can not effectively be intercepted to area source pollutants, intercepting efficiency is low.②
The sewage for entering storm sewer can not be controlled.3. during rainfall, sewage is easily carried along into natural water by rainwater.4. dam
The control of well is extensive, on the one hand more early-stage rainwaters may not be sent into sewage plant processing so that area source pollutants discharge
Natural water has been arrived, on the other hand substantial amounts of later stage rainwater sewage plant may be sent into, add the load of sewage plant, reduce
The treatment effeciency of sewage plant.
All things considered, there is problems with for current run-off system：First, it is impossible to which pollution of area source is controlled；The
Two, control is extensive, it is impossible to which sewage and early-stage rainwater are accurately controlled；3rd, pipeline hybrid junction, sewage has been directly discharged to certainly
Right water body；4th, for the area that land used is nervous, end treatment can not effectively be implemented.
Meanwhile the present inventors have additionally discovered that, first rain dirt design of pipe networks it is not perfect enough, a large amount of original storm sewers and
The rainwater that Storm-water sewer is not collected to it is discharged into sanitary sewage therein with misconnection hybrid junction and separated, and makes sewage and rainwater straight
Run in and be put into the natural water of distal end, cause water pollution serious.
The content of the invention
The defects of in order to overcome prior art, the present invention provides a kind of separate sewage system of sewage and rainwater, described
System includes：
Trunk sewer on town road, the outlet of the trunk sewer are provided with sewage treatment plant；
Storm-water sewer on town road, the end of the Storm-water sewer are connected with natural water；
Storm sewer and sewage conduct in unit area, the sewage conduct are connected with the trunk sewer；
Wherein, the storm sewer outlet set rain processing system, the rain processing system include shunting device,
Regulate and store facility and online treatment facility；The shunting device has five openings, is water inlet, the first delivery port, second respectively
Delivery port, the 3rd delivery port and the 4th delivery port；
The water inlet connection of the storm sewer and shunting device, the first delivery port and the trunk sewer of shunting device connect
Connect, the second delivery port of shunting device is connected with facility of regulating and storing, the 3rd delivery port of shunting device and entering for online treatment facility
The mouth of a river is connected, and the delivery port of online treatment facility is connected with Storm-water sewer, the 4th delivery port and the Storm-water sewer phase of shunting device
Even.
According to the present invention, the unit area is to include building and structure in urban area with function and usage Attribute transposition
Build the soil region of thing.
According to the present invention, the area of the unit area is 0.01-0.6 square kilometres, preferably 0.01-0.3 squares of public affairs
In.
According to the present invention, the Storm-water sewer is original Storm-water sewer on town road；Or when on the town road
When not having Storm-water sewer, a Storm-water sewer is laid on town road.
According to the present invention, the shunting device is selected from shunting well, abandoned stream well or Vatch basin.
According to the present invention, water conservancy is set to switch on the delivery port of shunting device.Preferably, it is all provided with each delivery port
Put water conservancy switch.Set water conservancy to switch 1 in the first delivery port of shunting device, water conservancy is set in the second delivery port of shunting device
Switch 2, sets water conservancy to switch 3 in the 3rd delivery port of shunting device, sets water conservancy to switch in the 4th delivery port of shunting device
4。
According to the present invention, the system also includes control system, and the control system includes being used to monitor shunting device
First monitoring device, the second monitoring device for monitoring facility of regulating and storing and the control unit being connected with the two signal；The control
Unit processed switchs 4 signals with water conservancy switch 1, water conservancy switch 2, water conservancy switch 3 and water conservancy and is connected；First monitoring device and
Two monitoring devices are used for monitoring signals and the signal of monitoring are conveyed into control unit, and control unit controls according to the signal of reception
Water conservancy switch 1, water conservancy switch 2, water conservancy switch 3 and water conservancy switch 4 aperture.
Preferably, the device that first monitoring device includes monitoring water body liquid level (such as can be liquid level sensor, liquid
Position meter, liquid-level switch etc.), the device for monitoring water quality (such as can be Water quality detector, online COD monitors, online ammonia
Nitrogen monitor, TSS monitors, BOD monitors, TN monitors, TP monitors, electrode, conductivity meter etc.), monitor water body total amount
Device (such as can be electronic headstock gear etc. with function of measuring), monitor the device (such as rainfall gauge) of rainfall, monitoring
At least one of device (such as timer) of time.
Preferably, first monitoring device may be provided in shunting device well body or shunting device well according to type demand
In vitro.For example, the device of monitoring water body liquid level and the device of monitoring water quality are arranged in shunting device well body, rainfall is monitored
Device be arranged on outside shunting device well body, monitoring water body total amount device be arranged in shunting device well body water conservancy switch
On, the device for monitoring the time is arranged in shunting device well body or outside well body.
Preferably, the device that second monitoring device includes monitoring water body liquid level (such as can be liquid level sensor, liquid
Position meter, liquid-level switch etc.).
Preferably, second monitoring device is arranged in facility of regulating and storing.
According to the present invention, the shunting device can be slot type, weir Shi Huocao weirs formula shunting device.
According to the present invention, the water conservancy switch 1, water conservancy switch 2, water conservancy switch 3 and water conservancy switch 4 are identical or different；That
This is independently selected from valve, gate, flap valve or weir gate；Preferably upper open type gate, bottom-open type gate, bottom-open type weir gate, rotation
Turn weir gate, floating drum cut-off equipment, gate valve, butterfly valve, ball valve, lift rubber clack to dam check-valves or the flap valve that dams.
It is described to regulate and store facility appointing in first rain storage pond, overflow storage pond, regulate and store box culvert and deep tunnel according to the present invention
One or more kinds of combinations, it is preferably first rain storage pond.
According to the present invention, the online treatment facility is selected from online processing pond, inclined-plate clarifying basin, tube settler, flocculation
Pond, efficient settling pit, artificial swamp, pass through any of pond and integrated equipment for wastewater treatment or two or more combinations.
According to the present invention, the shunting device can be one or more.
According to the present invention, the system also includes rainwater pretreatment system；It can be incorporated on the Storm-water sewer, or
By the Storm-water sewer.
According to the present invention, the rainwater pretreatment system includes shunting well, rain water filtering device, particle separator, cylinder mistake
One in filter, rainwater separator, hydrocyclone, osmotic cell, magnetic separating device, medium filter, online processing pond
Kind is a variety of.
Preferably, the rainwater pretreatment system also includes regulate and store facility and/or cut-off equipment and/or flow control dress
Put.
According to the present invention, the rainwater pretreatment system includes shunting well, cut-off equipment, volume control device, rainwater mistake
Filter, facility of regulating and storing, the shunting well are arranged on the Storm-water sewer on the town road, when the shunting well is slot type
When, it is not provided with cut-off equipment；
For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；
The water inlet of the shunting well connects with the Storm-water sewer on the town road on front side of the shunting well, described
First delivery port of shunting well connects with the Storm-water sewer on the town road on rear side of the shunting well, the cut-off equipment
It is arranged on the first water outlet of the shunting well；Second water outlet of the shunting well sets volume control device, described
The other end of volume control device is sequentially connected with rain water filtering device, facility of regulating and storing, the delivery port and sewage of the facility of regulating and storing
Pipeline communication.
According to the present invention, the rainwater pretreatment system includes shunting well, cut-off equipment, particle separator, cylinder filtering
Device, the shunting well are arranged on the Storm-water sewer on the town road, when the shunting well is slot type, are not provided with damming
Device；
For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；
The water inlet of the shunting well connects with the Storm-water sewer on the town road on front side of the shunting well, described
First delivery port of shunting well connects with the Storm-water sewer on the town road on rear side of the shunting well, the cut-off equipment
It is arranged on the first water outlet of the shunting well；Second delivery port of the shunting well and particle separator, cylinder filter
It is sequentially connected, the delivery port of the cylinder filter connects with the Storm-water sewer on the town road on rear side of the shunting well
It is logical.
According to the present invention, the rainwater pretreatment system includes shunting well, cut-off equipment, hydrocyclone, infiltration
Pond and volume control device, the shunting well are arranged on the Storm-water sewer on the town road, when the shunting well is groove
During formula, cut-off equipment is not provided with；
For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；
The water inlet of the shunting well connects with the Storm-water sewer on the town road on front side of the shunting well, described
First delivery port of shunting well connects with the Storm-water sewer on the town road on rear side of the shunting well, the cut-off equipment
It is arranged on the first water outlet of the shunting well；Second water outlet of the shunting well sets volume control device, described
The other end of volume control device is sequentially connected with hydrocyclone, osmotic cell, the water penetration in the osmotic cell
To underground.
According to the present invention, the rainwater pretreatment system includes shunting well, cut-off equipment, magnetic separating device, osmotic cell, Jie
Mass filter, the shunting well are arranged on the Storm-water sewer on the town road, when the shunting well is slot type, are not set
Put cut-off equipment；
For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；
The water inlet of the shunting well connects with the Storm-water sewer on the town road on front side of the shunting well, described
First delivery port of shunting well connects with the Storm-water sewer on the town road on rear side of the shunting well, the cut-off equipment
It is arranged on the first water outlet of the shunting well；Second delivery port of the shunting well and magnetic separating device, osmotic cell, medium
Filter is sequentially connected, and the delivery port of the medium filter is done with the rainwater on the town road on rear side of the shunting well
Pipe connects.
According to the present invention, the rainwater pretreatment system includes the first shunting well, the second shunting well, cut-off equipment, online
Processing pond and volume control device, first shunting well are arranged on the Storm-water sewer on the town road, when described
When one shunting well is slot type, cut-off equipment is not provided with；
For on front side of shunting well, first the first delivery port of shunting well opening position is shunting well at first shunting well water inlet position
Rear side；
The water inlet of first shunting well and the Storm-water sewer on the town road on front side of first shunting well
Connection, the first delivery port of first shunting well and the Storm-water sewer on the town road on rear side of first shunting well
Connection, the cut-off equipment are arranged on the first water outlet of first shunting well；Second water outlet of first shunting well
Mouth is connected with the water inlet of second shunting well, and the first delivery port of second shunting well and one end of sewage conduct connect
Connect, the other end of sewage conduct is connected with sewage treatment plant；Second delivery port of second shunting well and online processing pond
Water inlet connects, and the delivery port of online processing pond connects with the Storm-water sewer on the town road on rear side of first shunting well
It is logical；
The volume control device is arranged on the second water outlet of the first shunting well or is separately positioned on the second shunting well
The first water outlet and the second shunting well the second water outlet.
According to the present invention, the cut-off equipment is fixed weir；Or water conservancy switch.
One or more rainwater pretreatment systems, or multiple rainwater can be set according to the present invention, on the Storm-water sewer
The combination of pretreatment system.
According to the present invention, when the group that multiple rainwater pretreatment systems or multiple rainwater pretreatment systems are set on Storm-water sewer
During conjunction, the distance between combination of adjacent two rainwater pretreatment systems or two rainwater pretreatment systems is 0.2-1 kilometers.
According to the present invention, the outlet pipe of the sewage treatment plant is connected with natural water.
According to the present invention, the system also includes biofilter, and it can be arranged on the outlet pipe of sewage treatment plant.
According to the present invention, the biofilter can be one or more.
The present invention also provides a kind of control method of the separate sewage system of above-mentioned sewage and rainwater, methods described bag
Include：
During fine day, the sewage of sewage conduct flows into sewage treatment plant by trunk sewer and handled；Shunting device is by rain
The sanitary sewage of waterpipe misconnection hybrid junction branches to trunk sewer and handled into sewage treatment plant；
During initial rainfall, the sewage of sewage conduct flows into sewage treatment plant by trunk sewer and handled；Shunting device
The sanitary sewage of storm sewer misconnection hybrid junction is branched into trunk sewer with entering the combined sewage that the rainwater of storm sewer is formed
Handled into sewage treatment plant；
When water exceedes towards the maximum inflow-rate of water turbine for cutting dirty pipe of sewage treatment plant, shunting device shunts combined sewage
Stored into facility of regulating and storing；
During middle and later periods rainfall, when the water in facility of regulating and storing reaches maximum moisture storage capacity, shunting device divides combined sewage
It flow in online treatment facility, the combined sewage after being handled through online treatment facility is directly discharged to Storm-water sewer again；
When heavy showers, when come water exceed online treatment facility maximum processing capability when, shunting device liquid level will
Rise, when rising to warning line, combined sewage is directly branched to Storm-water sewer by shunting device.
Preferably, method of the invention also includes：
During fine day, water conservancy switch 1 is opened, and water conservancy switch 2, water conservancy switch 3, water conservancy switch 4 are closed, the sewage of sewage conduct
Sewage treatment plant is flowed into by trunk sewer to be handled；The sanitary sewage of storm sewer misconnection hybrid junction switchs 1 He by water conservancy
Trunk sewer is handled into sewage treatment plant；
During initial rainfall, water conservancy switch 1 is opened, and water conservancy switch 2, water conservancy switch 3, water conservancy switch 4 are closed, sewage conduct
Sewage flows into sewage treatment plant by trunk sewer and handled；The sanitary sewage of storm sewer misconnection hybrid junction is with entering rain pipe
The combined sewage that the rainwater in road is formed is handled by water conservancy switch 1 and trunk sewer into sewage treatment plant；
When water exceedes towards the maximum inflow-rate of water turbine for cutting dirty pipe of sewage treatment plant, water conservancy switch 2, combined sewage are opened
Stored into facility of regulating and storing；
During middle and later periods rainfall, when the water in facility of regulating and storing reaches maximum moisture storage capacity, water conservancy switch 2 is closed, opens water
Profit switch 3, combined sewage enters in online treatment facility, and the combined sewage after being handled through online treatment facility directly discharges again
To Storm-water sewer；
When heavy showers, when come water exceed online treatment facility maximum processing capability when, shunting device liquid level will
Rise, when rising to warning line, open water conservancy switch 4, combined sewage flows into Storm-water sewer.
Beneficial effects of the present invention
(1) system architecture of the invention is simple, it is convenient to build, need to only be built in the limited region of cell shunting device,
Efficient process to the combined sewage in cell area can be achieved in regulate and store facility and online treatment facility.
(2) present invention by by shunting device, regulate and store facility and online treatment facility is arranged in cell area, take up an area face
Product is small, may be disposed at underground, is effectively prevented from the reconstruction significantly to cell area interior conduit, solves cell land used anxiety
Problem.
(3) the shunting processing in source of the present invention, excessively stream time of the first rain from ground to shunting device greatly shortens, so as to subtract
The probability that this few source region later stage rainwater mixes with early-stage rainwater, retention or the early-stage rainwater concentration collected will be higher, cut
Dirty efficiency is very high.
(4) when end cuts dirty, the deposition of duct bottom can influence the characteristic of first rain, the unobvious for allowing the characteristic of first rain to become,
But source wastewater interception pipe is shorter, the influence of deposition can be ignored substantially, and first rain feature becomes apparent from.
(5) when end cuts dirty, pipeline distance is longer, and the breakage of pipeline can cause pipeline Groundwater infiltration on the way, can dilute
The concentration of first rain, just rain a certain amount of to the interception of first rain will contain a certain proportion of secondary water；But dirt is cut in source, due to pipe
Road is shorter, can be ignored substantially the problem of pipe network, the first rain concentration of interception will also greatly improve.
Brief description of the drawings
Fig. 1 is the separate sewage system of the community wastewater of the embodiment of the present invention 1 and rainwater；
Each reference implication is as follows：A-cell, A-1-sewage conduct, A-2-storm sewer, B-1-trunk sewer,
B-2-Storm-water sewer, 1-natural water, 2-sewage treatment plant, 3-shunting well, 4-bottom-open type weir gate, 5-bottom-open type lock
Door, 6-biofilter, 7-waterpower particle separator, 8-cylinder filter, 9-rotation weir gate, 10-gate valve, 11-regulate and store
Pond, 12-online processing pond.
Embodiment
Further detailed description is done to present system below in conjunction with specific embodiment.It should be appreciated that following reality
Apply example and be merely illustrative the ground description and interpretation present invention, and be not necessarily to be construed as limiting the scope of the invention.It is all to be based on
In the range of the technology that the above of the present invention is realized is encompassed by it is contemplated that protecting.
Embodiment 1
Community wastewater as shown in Figure 1 and the separate sewage system of rainwater, the system include：Dirt on town road
Water conduit tube B-1, the trunk sewer B-1 outlet are provided with sewage treatment plant 2, and the outlet pipe of the sewage treatment plant 2 passes through
Biofilter 6 is connected with natural water 1；
Storm-water sewer B-2 on town road, the end of the Storm-water sewer B-2 is connected with natural water 1；
Sewage conduct A-1 in cell A is connected with trunk sewer B-1；
Storm sewer A-2 in cell A is connected with the water inlet of shunting well 3, and the first delivery port and the sewage of shunting well 3 are done
Pipe connects, and the second delivery port of shunting well 3 is connected with storage pond 11, the 3rd delivery port and the online processing pond 12 of shunting well 3
Water inlet is connected, and the delivery port of online processing pond 12 is connected with Storm-water sewer B-2, and the 4th delivery port of shunting well 3 is done with rainwater
Pipe B-2 is connected, also, sets bottom-open type weir gate 4 in the first delivery port of shunting well 3, is set in the second delivery port of shunting well 3
Bottom-open type gate 5, rotation weir gate 9 is set in the 3rd delivery port of shunting well 3, and gate valve is set in the 4th delivery port of shunting well 3
10。
Wherein, the system also includes control system, and the control system includes being used for the level sensing for monitoring shunting well 3
Device, the liquid level gauge for monitoring storage pond and the control unit being connected with the two signal；Described control unit and bottom-open type weir gate
4th, bottom-open type gate 5, rotation weir gate 9 connect with the signal of gate valve 10；The liquid level sensor and liquid level gauge are used for monitoring signals simultaneously
The signal of monitoring is conveyed to control unit, control unit according to the signal of reception control bottom-open type weir gate 4, bottom-open type gate 5,
Rotate the aperture of weir gate 9 and gate valve 10.
Wherein, the liquid level sensor may be provided in shunting well well body.
Wherein, the liquid level gauge is arranged in storage pond.
Wherein, multiple rainwater pretreatment systems are set on the Storm-water sewer B-2, and the rainwater pretreatment system includes
Shunting well, cut-off equipment, particle separator, cylinder filter, the rainwater that the shunting well is arranged on the town road are done
Guan Shang, when the shunting well is slot type, it is not provided with cut-off equipment；
For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；
The water inlet of the shunting well connects with the Storm-water sewer on the town road on front side of the shunting well, described
First delivery port of shunting well connects with the Storm-water sewer on the town road on rear side of the shunting well, the cut-off equipment
It is arranged on the first water outlet of the shunting well；Second delivery port of the shunting well and particle separator, cylinder filter
It is sequentially connected, the delivery port of the cylinder filter connects with the Storm-water sewer on the town road on rear side of the shunting well
It is logical.The distance between each two rainwater pretreatment system is 0.3 kilometer.
Embodiment 2
It is using the community wastewater of embodiment 1 and the control method of separate sewage system of rainwater：
During fine day, bottom-open type weir gate 4 is opened, and bottom-open type gate 5, rotation weir gate 9, gate valve 10 are closed, the dirt of sewage conduct
Water flows into sewage treatment plant by trunk sewer and handled；The sanitary sewage of storm sewer misconnection hybrid junction passes through bottom-open type weir gate
4 and trunk sewer into sewage treatment plant handle；
During initial rainfall, bottom-open type weir gate 4 is opened, and bottom-open type gate 5, rotation weir gate 9, gate valve 10 are closed, sewage conduct
Sewage by trunk sewer flow into sewage treatment plant handled；The sanitary sewage of storm sewer misconnection hybrid junction is with entering cell
The combined sewage that the rainwater of interior storm sewer is formed is handled by bottom-open type weir gate 4 and trunk sewer into sewage treatment plant；
When water exceedes towards the maximum inflow-rate of water turbine for cutting dirty pipe of sewage treatment plant, bottom-open type gate 5 is opened, mixing is dirty
Water, which enters in storage pond, to be stored；
During middle and later periods rainfall, when the water in storage pond reaches maximum moisture storage capacity, bottom-open type gate 5 is closed, opens rotation
Turn weir gate 9, combined sewage enters in online processing pond, and the combined sewage after being handled through online processing pond is directly discharged to rain again
Water conduit tube；
When heavy showers, when come water exceed online processing pond maximum processing capability when, shunting well liquid level will rise,
When rising to warning line, gate valve 10 is opened, combined sewage flows into Storm-water sewer.
Specifically, when the system includes control system, the liquid level sensor in the control system is mainly used in monitoring
Water body liquid level, the liquid level gauge in the control system are mainly used in monitoring water body liquid level, set in the control unit of the system
The normal water level H1 of shunting well, the warning line H2 of shunting well and facility of regulating and storing highest reserve-water-level H3；Methods described includes
Following steps：
1a) water body enters shunting well from water inlet, monitors the liquid of water body in shunting well well body in real time by liquid level sensor
Position height H；Monitor the liquid level H4 of water body in storage pond in real time by liquid level gauge；
2a) work as H<During H1, bottom-open type weir gate 4 is in opening, and bottom-open type gate 5 and rotation weir gate 9 are in and close shape
State, gate valve 10 are in current floe condition；
3a) as H1≤H<During H2, if H4<H3, bottom-open type weir gate 4 and bottom-open type gate 5 are in opening, rotate weir gate
9 are closed, and gate valve 10 is in current floe condition；If H4 >=H3, bottom-open type weir gate 4 is in opening, bottom-open type gate 5
It is closed, rotation weir gate 9 is in opening, and gate valve 10 is in current floe condition；
4a) as H >=H2, bottom-open type weir gate 4 and rotation weir gate 9 are in opening, and bottom-open type gate 5, which is in, closes shape
State, gate valve 10 are in opening.
The above described is only a preferred embodiment of the present invention, not the structure of the present invention is done any formal
Limitation.Any simple modification, equivalent change and modification that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (10)
1. the separate sewage system of a kind of sewage and rainwater, the system includes：
Trunk sewer on town road, the outlet of the trunk sewer are provided with sewage treatment plant；
Storm-water sewer on town road, the end of the Storm-water sewer are connected with natural water；
Storm sewer and sewage conduct in unit area, the sewage conduct are connected with the trunk sewer；
Characterized in that, the outlet of the storm sewer sets rain processing system, the rain processing system is set including shunting
Standby, regulate and store facility and online treatment facility；The shunting device has five openings, is water inlet, the first delivery port, the respectively
Two delivery ports, the 3rd delivery port and the 4th delivery port；
The water inlet connection of the storm sewer and shunting device, the first delivery port of shunting device are connected with trunk sewer, point
Second delivery port of flow device is connected with facility of regulating and storing, the water inlet phase of the 3rd delivery port and online treatment facility of shunting device
Even, the delivery port of online treatment facility is connected with Storm-water sewer, and the 4th delivery port of shunting device is connected with Storm-water sewer.
2. drainage system according to claim 1, it is characterised in that the unit area is to be used in urban area with function
The soil region for including building and structures of way Attribute transposition；
Preferably, the area of the unit area is 0.01-0.6 square kilometres, preferably 0.01-0.3 square kilometres；
Preferably, the Storm-water sewer is original Storm-water sewer on town road；Or when there is no rainwater on the town road
During main, a Storm-water sewer is laid on town road；
Preferably, the shunting device is selected from shunting well, abandoned stream well or Vatch basin.
3. drainage system according to claim 1 or 2, it is characterised in that water conservancy is set on the delivery port of shunting device
Switch；
Preferably, water conservancy switch is respectively provided with each delivery port；Water conservancy is set to switch 1 in the first delivery port of shunting device,
Set water conservancy to switch 2 in the second delivery port of shunting device, set water conservancy to switch 3 in the 3rd delivery port of shunting device, dividing
4th delivery port of flow device sets water conservancy to switch 4；
Preferably, the system also includes control system, and the control system includes being used for the first monitoring for monitoring shunting device
Device, the second monitoring device for monitoring facility of regulating and storing and the control unit being connected with the two signal；Described control unit with
Water conservancy switch 1, water conservancy switch 2, water conservancy switch 3 switch 4 signals with water conservancy and connected；First monitoring device and the second monitoring dress
Put for monitoring signals and the signal of monitoring is conveyed to control unit, control unit controls water conservancy to switch according to the signal of reception
1st, the aperture of water conservancy switch 2, water conservancy switch 3 and water conservancy switch 4；
Preferably, the device that first monitoring device includes monitoring water body liquid level (such as can be liquid level sensor, liquid level
Meter, liquid-level switch etc.), the device for monitoring water quality (such as can be Water quality detector, online COD monitors, online ammonia nitrogen
Monitor, TSS monitors, BOD monitors, TN monitors, TP monitors, electrode, conductivity meter etc.), monitoring water body total amount
Device (such as can be electronic headstock gear etc. with function of measuring), monitors the device (such as rainfall gauge) of rainfall, during monitoring
Between at least one of device (such as timer)；
Preferably, first monitoring device may be provided in shunting device well body or shunting device well body according to type demand
Outside；For example, the device of monitoring water body liquid level and the device of monitoring water quality are arranged in shunting device well body, rainfall is monitored
Device is arranged on outside shunting device well body, and the device of monitoring water body total amount is arranged on the water conservancy switch in shunting device well body,
The device of monitoring time is arranged in shunting device well body or outside well body；
Preferably, the device that second monitoring device includes monitoring water body liquid level (such as can be liquid level sensor, liquid level
Meter, liquid-level switch etc.)；
Preferably, second monitoring device is arranged in facility of regulating and storing；
Preferably, the shunting device can be slot type, weir Shi Huocao weirs formula shunting device；
Preferably, the water conservancy switch 1, water conservancy switch 2, water conservancy switch 3 and water conservancy switch 4 are identical or different；Independently of one another
Selected from valve, gate, flap valve or weir gate；
Preferably upper open type gate, bottom-open type gate, bottom-open type weir gate, rotation weir gate, floating drum cut-off equipment, gate valve, butterfly valve, ball
Valve, lift rubber clack dam check-valves or the flap valve that dams.
4. according to the drainage system described in claim any one of 1-3, it is characterised in that the facility of regulating and storing is regulated and stored selected from first rain
Pond, overflow storage pond, regulate and store any of box culvert and deep tunnel or two or more combinations, it is preferably first rain storage pond；
Preferably, the online treatment facility is selected from online processing pond, inclined-plate clarifying basin, tube settler, flocculation basin, efficiently heavy
Sand basin, artificial swamp, pass through any of pond and integrated equipment for wastewater treatment or two or more combinations；
Preferably, the shunting device can be one or more.
5. according to the drainage system described in claim any one of 1-4, it is characterised in that the system also includes rainwater and pre-processed
System；It can be incorporated on the Storm-water sewer, or by the Storm-water sewer.
6. drainage system according to claim 5, it is characterised in that the rainwater pretreatment system includes shunting well, rain
Water filter, particle separator, cylinder filter, rainwater separator, hydrocyclone, osmotic cell, magnetic separating device, Jie
One or more in mass filter, online processing pond；
Preferably, the rainwater pretreatment system also includes regulate and store facility and/or cut-off equipment and/or volume control device；
Preferably, the rainwater pretreatment system includes shunting well, cut-off equipment, volume control device, rain water filtering device, regulated and stored
Facility, the shunting well are arranged on the Storm-water sewer on the town road, when the shunting well is slot type, are not provided with cutting
Flow device；For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；It is described
The water inlet of shunting well connects with the Storm-water sewer on the town road on front side of the shunting well, and the first of the shunting well
Delivery port connects with the Storm-water sewer on the town road on rear side of the shunting well, and the cut-off equipment is arranged on described point
Flow the first water outlet of well；Second water outlet of the shunting well sets volume control device, the volume control device
The other end be sequentially connected with rain water filtering device, facility of regulating and storing, the delivery port of the facility of regulating and storing connects with sewage conduct；
Preferably, the rainwater pretreatment system include shunting well, cut-off equipment, particle separator, cylinder filter, described point
Stream well is arranged on the Storm-water sewer on the town road, when the shunting well is slot type, is not provided with cut-off equipment；Shunting
Jing Jinshuikouweizhichu is on front side of shunting well, and the first delivery port of shunting well opening position is on rear side of shunting well；The shunting well enters
The mouth of a river connects with the Storm-water sewer on the town road on front side of the shunting well, the first delivery port of the shunting well and institute
The Storm-water sewer connection on the town road on rear side of shunting well is stated, the cut-off equipment is arranged on the first of the shunting well
Water outlet；Second delivery port of the shunting well is sequentially connected with particle separator, cylinder filter, the cylinder filter
Delivery port connected with the Storm-water sewer on the town road on rear side of the shunting well；
Preferably, the rainwater pretreatment system includes shunting well, cut-off equipment, hydrocyclone, osmotic cell and flow
Control device, the shunting well are arranged on the Storm-water sewer on the town road, when the shunting well is slot type, are not set
Put cut-off equipment；For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；
The water inlet of the shunting well connects with the Storm-water sewer on the town road on front side of the shunting well, the shunting well
First delivery port connects with the Storm-water sewer on the town road on rear side of the shunting well, and the cut-off equipment is arranged on institute
State the first water outlet of shunting well；Second water outlet of the shunting well sets volume control device, the flow control
The other end of device is sequentially connected with hydrocyclone, osmotic cell, the water penetration in the osmotic cell to underground；
Preferably, the rainwater pretreatment system includes shunting well, cut-off equipment, magnetic separating device, osmotic cell, media filtration
Device, the shunting well are arranged on the Storm-water sewer on the town road, when the shunting well is slot type, are not provided with damming
Device；For on front side of shunting well, the first delivery port of shunting well opening position is on rear side of shunting well at shunting well water inlet position；Described point
The water inlet of stream well connects with the Storm-water sewer on the town road on front side of the shunting well, and the first of the shunting well goes out
The mouth of a river connects with the Storm-water sewer on the town road on rear side of the shunting well, and the cut-off equipment is arranged on the shunting
First water outlet of well；Second delivery port of the shunting well and magnetic separating device, osmotic cell, medium filter successively phase
Even, the delivery port of the medium filter connects with the Storm-water sewer on the town road on rear side of the shunting well；
Preferably, the rainwater pretreatment system include the first shunting well, the second shunting well, cut-off equipment, online processing pond and
Volume control device, first shunting well are arranged on the Storm-water sewer on the town road, when first shunting well
For slot type when, be not provided with cut-off equipment；It is shunting well front side, first the first water outlet of shunting well at first shunting well water inlet position
Mouth opening position is on rear side of shunting well；The water inlet of first shunting well and the town road on front side of first shunting well
On Storm-water sewer connection, the town road on rear side of the first delivery port of first shunting well and first shunting well
On Storm-water sewer connection, the cut-off equipment is arranged on the first water outlet of first shunting well；First shunting
Second delivery port of well is connected with the water inlet of second shunting well, the first delivery port and sewage pipe of second shunting well
One end connection in road, the other end of sewage conduct are connected with sewage treatment plant；Second delivery port of second shunting well with
The water inlet of line processing pond connects, on the town road on rear side of the delivery port of online processing pond and first shunting well
Storm-water sewer connects；The volume control device is arranged on the second water outlet of the first shunting well or is separately positioned on second point
Flow the first water outlet of well and the second water outlet of the second shunting well；
Preferably, the cut-off equipment is fixed weir；Or water conservancy switch.
7. the drainage system according to claim 5 or 6, it is characterised in that set on the Storm-water sewer one or more
Rainwater pretreatment system, or the combination of multiple rainwater pretreatment systems；
Preferably, when setting the combination of multiple rainwater pretreatment systems or multiple rainwater pretreatment systems on Storm-water sewer, phase
The distance between adjacent combination of two rainwater pretreatment systems or two rainwater pretreatment systems is 0.2-1 kilometers.
8. according to the drainage system described in claim any one of 1-7, it is characterised in that the outlet pipe of the sewage treatment plant with
Natural water is connected.
9. according to the drainage system described in claim any one of 1-8, it is characterised in that the system also includes biofilter,
It is arranged on the outlet pipe of sewage treatment plant；
Preferably, the biofilter is one or more.
10. a kind of control method of the separate sewage system of sewage and rainwater described in any one of claim 1-9, its feature
It is, methods described includes：
During fine day, the sewage of sewage conduct flows into sewage treatment plant by trunk sewer and handled；Shunting device is by rain pipe
The sanitary sewage of road misconnection hybrid junction branches to trunk sewer and handled into sewage treatment plant；
During initial rainfall, the sewage of sewage conduct flows into sewage treatment plant by trunk sewer and handled；Shunting device is by rain
The sanitary sewage of waterpipe misconnection hybrid junction branches to trunk sewer entrance with entering the combined sewage that the rainwater of storm sewer is formed
Sewage treatment plant is handled；When water exceedes towards the maximum inflow-rate of water turbine for cutting dirty pipe of sewage treatment plant, shunting device will mix
Sewage separation stores into facility of regulating and storing；
During middle and later periods rainfall, when the water in facility of regulating and storing reaches maximum moisture storage capacity, shunting device branches to combined sewage
In online treatment facility, the combined sewage after being handled through online treatment facility is directly discharged to Storm-water sewer again；
When heavy showers, when come water exceed online treatment facility maximum processing capability when, shunting device liquid level will rise,
When rising to warning line, combined sewage is directly branched to Storm-water sewer by shunting device；
Preferably, method of the invention also includes：
During fine day, water conservancy switch 1 is opened, and water conservancy switch 2, water conservancy switch 3, water conservancy switch 4 are closed, and the sewage of sewage conduct passes through
Trunk sewer flows into sewage treatment plant and handled；The sanitary sewage of storm sewer misconnection hybrid junction is by water conservancy switch 1 and sewage
Main is handled into sewage treatment plant；
During initial rainfall, water conservancy switch 1 is opened, and water conservancy switch 2, water conservancy switch 3, water conservancy switch 4 are closed, the sewage of sewage conduct
Sewage treatment plant is flowed into by trunk sewer to be handled；The sanitary sewage of storm sewer misconnection hybrid junction is with entering storm sewer
The combined sewage that rainwater is formed is handled by water conservancy switch 1 and trunk sewer into sewage treatment plant；Lead to dirt when water exceedes
During the maximum inflow-rate of water turbine for cutting dirty pipe of water treatment plant, water conservancy switch 2 is opened, combined sewage, which enters in facility of regulating and storing, to be stored；
During middle and later periods rainfall, when the water in facility of regulating and storing reaches maximum moisture storage capacity, water conservancy switch 2 is closed, water conservancy is opened and opens
3 are closed, combined sewage enters in online treatment facility, and the combined sewage after being handled through online treatment facility is directly discharged to rain again
Water conduit tube；
When heavy showers, when come water exceed online treatment facility maximum processing capability when, shunting device liquid level will rise,
When rising to warning line, water conservancy switch 4 is opened, combined sewage flows into Storm-water sewer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710919286.7A CN107558568A (en) | 2017-09-30 | 2017-09-30 | A kind of separate sewage system and control method of sewage and rainwater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919286.7A CN107558568A (en) | 2017-09-30 | 2017-09-30 | A kind of separate sewage system and control method of sewage and rainwater |
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| CN108842909A (en) * | 2018-09-10 | 2018-11-20 | 北京北排水务设计研究院有限公司 | The rainwater or wastewater disposition precise control device and its control method of a kind of pipeline performance |
| CN110029712A (en) * | 2019-04-23 | 2019-07-19 | 深圳职业技术学院 | Take into account the precision rain dirt mixing regulator control system and method that early-stage rainwater stream abandoning and flood peak are regulated and stored |
| CN111424791A (en) * | 2020-03-27 | 2020-07-17 | 武汉圣禹排水系统有限公司 | Equipment with distribution of rain and sewage and regulation mechanism |
| CN111749317A (en) * | 2019-03-27 | 2020-10-09 | 高小平 | Sewage interception, storage and drainage system and drainage control method thereof |
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Application publication date: 20180109 |