CN110195464A - A kind of flushing of drainage pipeline, examination and repair system and purging method, repair method - Google Patents
A kind of flushing of drainage pipeline, examination and repair system and purging method, repair method Download PDFInfo
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- CN110195464A CN110195464A CN201910399432.7A CN201910399432A CN110195464A CN 110195464 A CN110195464 A CN 110195464A CN 201910399432 A CN201910399432 A CN 201910399432A CN 110195464 A CN110195464 A CN 110195464A
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 47
- 230000008439 repair process Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010926 purge Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 79
- 238000007689 inspection Methods 0.000 claims abstract description 31
- 241001247986 Calotropis procera Species 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims description 63
- 238000003860 storage Methods 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 4
- 206010016825 Flushing Diseases 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000011499 joint compound Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/007—Devices providing a flushing surge
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a kind of flushing of drainage pipeline, examination and repair system and purging methods, repair method, inspection shaft and cut-off equipment are set along drainage pipeline interval, inspection shaft is equipped with the water inlet for being connected thereto trip drainage pipeline and the water outlet for connecting drainage pipeline downstream；One cut-off equipment is installed in an inspection shaft, cut-off equipment includes outer housing and rubber bush, and rubber bush is installed in outer housing, and air cavity or water cavity are formed between rubber bush and outer housing, rubber bush has water stream channel, and one end of water stream channel is connected to upstream drainage pipeline by water inlet；The other end is connected to downstream drainage pipeline by water outlet；When cut-off equipment inflation or water-filling, cut-off equipment is closed, and upstream drainage pipeline ends in downstream row water pipe, and when cut-off equipment deflates or discharges water, rubber cut-off equipment is opened, and upstream drainage pipeline is connected with downstream drainage pipeline.
Description
Technical field
The present invention relates to technical field of drainage, and in particular to a kind of flushing of drainage pipeline, examination and repair system and purging method,
Repair method.
Background technique
Current drainage pipeline deposition is serious, and deposition is excessive, the serious flood discharge capacity for hindering drainage pipeline, so needs pair
Pipeline carries out periodic cleaning, the manner of cleaning up used domestic at present be in the duct setting flushing device as it is miniature retain door,
Bottom-open type weir gate, bias block up door, and the environment in drainpipe is more severe, and the door-plate of these equipment is submerged in inside sewage, due to
There are various floating materials, particulate matter and mud in sewage, easy blocking is stuck between door-plate and doorframe, causes between door-plate and doorframe
Mechanical breakdown occurs.In addition, the driving mechanism of these equipment mostly uses greatly electric driving mechanism or driving mechanism of surging, driving machine
For structure using environment under water, sealing requirements are higher, increase cost, and there are danger of hazardous electrical discharges to cause electrical event for electric driving mechanism
Barrier, driving mechanism of surging leak, and will cause water pollution, poor reliability.
In addition, the equipment on drainage pipeline is had to the safety for guaranteeing flood passage, is rinsed used in the prior art
Equipment needs extraneous power to control opening and closing such as electric driving mechanism or driving mechanism of surging, when driving mechanism breaks down
When, the position that equipment may be parked in closing is fail to open, and when stopping electrically or mechanically stuck, equipment is parked in closed position, can not be automatic
Open, once there is situation above, when rainfall, can not safe flood passage, lead to urban waterlogging, city ponding, safety coefficient
It is low.
When being overhauled in the prior art to pipeline, using moving air bag in the two sides blocking pipe for overhauling position, air bag
Activity installation.Because the volume after air bag is deflated is larger, it cannot be mounted in drainage pipeline, will affect pipe drainage.Therefore, work
Make personnel and overhaul every time to be required to carry air bag, drainpipe biggish for caliber needs the volume of air bag to be used also larger
Heavier-weight needs to be lifted using mechanical equipment, and upkeep operation is at high cost, and operation is difficult.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, flushing, the maintenance of a kind of drainage pipeline are provided
System and purging method, repair method, can satisfy the use demand of flushing and maintenance, have structure simple, it is safe and reliable and
Advantage applied widely.
The present invention provides a kind of flushing of drainage pipeline, examination and repair system, has the drainage pipeline being obliquely installed, along the row
Several inspection shafts and several cut-off equipments is arranged in waterpipe interval,
The inspection shaft is equipped with the water inlet for being connected thereto trip drainage pipeline and the water outlet for connecting drainage pipeline downstream；
One cut-off equipment is installed in an inspection shaft, and the cut-off equipment includes outer housing and rubber bush,
The rubber bush is installed in the outer housing, and the rubber bush has water stream channel, and the water stream channel passes through described
Water inlet and the water outlet are respectively communicated with upstream drainage pipeline and downstream drainage pipeline；
When cut-off equipment inflation or water-filling, the rubber bush deformation, the sectional area of the water stream channel becomes smaller
Cut-off, the cut-off equipment are closed, and upstream drainage pipeline ends with drainpipe downstream, when the cut-off equipment is deflated or is discharged water
When, the rubber bush restores deformation, and the sectional area of the water stream channel becomes larger conducting, the cut-off equipment unlatching, upstream row
Waterpipe is connected with drainage pipeline downstream.
Based on the above technical solution, further include control system: the control system includes liquid level sensor and control
Device, the liquid level sensor are respectively arranged at the upstream and downstream of the cut-off equipment, for monitoring the cut-off equipment upstream
The liquid level of drainage pipeline and the liquid level of downstream drainage pipeline；
The controller is separately connected the liquid level sensor and the cut-off equipment, is equipped with liquid level difference in the controller
Threshold value, the controller are closed for controlling the cut-off equipment, the cut-off equipment upstream drainage pipeline water storage, when the liquid
The liquid level difference of the liquid level of the liquid level and downstream row water pipe for the cut-off equipment upstream row water pipe that level sensor monitors reaches
The liquid level difference threshold value controls the cut-off equipment and opens, and it is described that the cut-off equipment upstream drainage pipeline water storage rinses this
Cut-off equipment downstream row water pipe.
Based on the above technical solution, flushing cycle is additionally provided in the controller, the flushing cycle refers to
All drainage pipelines rinse the time interval between opening, the control with all drainage pipelines after completing once flushing next time
Device is used to control the drainage pipeline periodic flushing according to the flushing cycle.
Based on the above technical solution, the liquid level sensor is respectively arranged in and the cut-off equipment upstream drainage
The inspection shaft of pipeline connection and the inspection shaft being connected to the cut-off equipment downstream drainage pipeline.
Based on the above technical solution, one end of the outer housing is docked with upstream drainage pipeline, the outer housing
It is at least partly installed in the water inlet；
Or, one end of the outer housing is docked with downstream drainage pipeline, the outer housing be at least partly installed on it is described go out
In the mouth of a river；
Or, the outer housing is located in the inspection shaft, and the both ends of the outer housing respectively with upstream drainage pipeline and
The docking of downstream drainage pipeline；
Or, the both ends of the outer housing are respectively equipped with flange terminal pad, the both ends of the outer housing are connected by the flange
Disk is connect to be connected with the drainage pipeline.
Or, the both ends of the outer housing are respectively equipped with flange terminal pad, one end of the outer housing is connected by the flange
It connects disk to be connected with the drainage pipeline, the other end of the outer housing is equipped with connecting sleeve, and the connecting sleeve is close to described outer
One end of shell connects the outer housing by the flange terminal pad, and the other end of the connecting sleeve is set in coupled
Drainage pipeline in；
Or, one end of the outer housing is equipped with flange terminal pad, one end of the outer housing passes through the flange terminal pad
It is connect with the end of upstream drainage pipeline or downstream drainage pipeline.
Based on the above technical solution, wherein the rubber bush restores to undeformed state, the water stream channel
Bottom it is concordant with the bottom of its upstream or downstream drainage pipeline.
Based on the above technical solution, further includes: gas station or water station, conveying main pipe, delivery branch pipe and solenoid valve,
The conveying main pipe is connected with the gas station or water station, and the entrance of each cut-off equipment passes through the delivery branch pipe and institute
It states conveying main pipe to be connected, and each delivery branch pipe is equipped with the solenoid valve；
Or, the entrance of each cut-off equipment passes through described defeated if dry gas station or water station, delivery branch pipe and solenoid valve
Branch pipe is sent to be connected with a gas station or water station, and each delivery branch pipe is equipped with the solenoid valve.
Based on the above technical solution, a kind of purging method of drainage pipeline, it is any using such as claim 1 to 8
Described in flushing, examination and repair system, along drainage pipeline be arranged N cut-off equipment, be upstream followed successively by from downstream the 1st cut-off equipment,
2nd cut-off equipment ... N cut-off equipment, is divided into N+1 sections for the drainage pipeline, and paragraph 1 row is upstream followed successively by from downstream
N+1 sections of waterpipe, the 2nd section of drainage pipeline ... drainage pipelines；
S1, before rinsing n-th section of drainage pipeline, the inflation of the n-th cut-off equipment or water-filling, circulation passage are closed, other dresses that shut off
Storing gas or in the open state, the 1≤n≤N that discharges water, the drainage pipeline water storage of (n+1)th section of drainage pipeline and its upstream, n-th section
Drainage pipeline and downstream drainage pipeline emptying；
S2, the n-th cut-off equipment deflate or discharge water, and circulation passage is opened, the drainpipe of (n+1)th section of drainage pipeline and its upstream
N-th section of drainage pipeline and drainage pipeline downstream are rinsed in water storage in road；
The step of repeating S1 and S2 upstream successively rinses paragraph 1 drainage pipeline, the 2nd section of drainage pipeline to N from downstream
Section drainage pipeline.
Based on the above technical solution, the upstream and downstream of n-th cut-off equipment is equipped with liquid level sensor,
The liquid level of n-th cut-off equipment upstream and downstream, respectively the first liquid level described in the liquid level sensor real-time monitoring
Second level value in the value and downstream and difference for calculating the first level value and the second level value obtains liquid level difference, presets liquid level difference threshold
Value；
When liquid level difference reaches the liquid level difference threshold value, the n-th cut-off equipment of control deflates or discharges water, and circulation passage is opened, and n-th
N-th section of drainage pipeline and drainage pipeline downstream are rinsed in water storage in+1 section of drainage pipeline and its drainage pipeline of upstream.
Based on the above technical solution, a kind of repair method of drainage pipeline, it is any using such as claim 1 to 8
Described in flushing, examination and repair system, along drainage pipeline be arranged N cut-off equipment, be upstream followed successively by from downstream the 1st cut-off equipment,
2nd cut-off equipment ... N cut-off equipment, is divided into N+1 sections for the drainage pipeline, and paragraph 1 row is upstream followed successively by from downstream
N+1 sections of waterpipe, the 2nd section of drainage pipeline ... drainage pipelines；
As needed when n-th section of drainage pipeline of maintenance, the n-th cut-off equipment and the (n+1)th cut-off equipment are closed, n-th section of row
Water pipe emptying；
When overhauling a few sections of continuous drainage pipelines as needed, most downstream one end and most upstream one of drainage pipeline will be close to
The cut-off equipment at end is closed, drainage pipeline emptying.
Compared with prior art, advantages of the present invention is as follows:
(1) a kind of flushing of drainage pipeline of the present invention, cut-off equipment is set in drainage pipeline in examination and repair system, shut off dress
It sets including outer housing and rubber bush, forms air cavity or water cavity between rubber bush and outer housing, pass through the deformation of rubber bush
Circulation passage on or off is controlled, closes or opens to control cut-off equipment, mechanical structure is simple, and it is easy to control, therefore
It is few to hinder situation, can satisfy flood passage requirement while completing pipe flushing.
(2) a kind of flushing of drainage pipeline of the present invention, the outer housing in examination and repair system are coupled by connecting sleeve
Drainage pipeline is connected, and from the top of inspection shaft, lifting enters in inspection shaft when cut-off equipment is installed, and one end of outer housing passes through method
Blue terminal pad is connect with drainage pipeline, and connecting sleeve is installed in drainage pipeline, when cut-off equipment lifts in place, will be connected
The outer end of sleeve is connect with outer housing by flange terminal pad, and there are enough installation spaces, and installation is facilitated to operate.Cut-off equipment
It is mounted in inspection shaft, does not need additionally to excavate ground, construction efficiency is high, and construction cost is low.
(3) a kind of flushing of drainage pipeline of the present invention, the resistance when cut-off equipment in examination and repair system is also used as maintenance
Disconnected to use, purposes multiplicity is applied widely, does not need additional installation equipment, reduces the cost of overhaul, easy to operate.
(4) it can be controlled using liquid level method and/or Time Method in a kind of purging method of drainage pipeline of the present invention, work as upstream
When water storage height reaches setting liquid level, cut-off equipment is opened, the drainage pipeline in cut-off equipment downstream is rinsed, by cut-off equipment
The potential energy instantaneous conversion of the liquid level difference in downstream is the kinetic energy rinsed, rinses the drainage pipeline in downstream, and flushing effect is good, periodically automatic
It rinses, high degree of automation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram under use state of the present invention.
Fig. 2 is the top view of a certain inspection shaft of the present invention.
Fig. 3 is the structural schematic diagram that cut-off equipment is mounted on import and export in the present invention.
Fig. 4 is the structural schematic diagram that cut-off equipment is mounted on water outlet in the present invention.
Appended drawing reference: 1- inspection shaft, 10- water inlet, 11- water outlet, 2- cut-off equipment, 20- outer housing, 21- rubber sleeve
Cylinder, 22- water stream channel, 23- flange terminal pad, 24- connecting sleeve, 3- drainage pipeline.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Embodiment 1
Referring to figure 1 and figure 2, the present invention provides a kind of flushing of drainage pipeline, examination and repair system, with what is be obliquely installed
Several inspection shafts 1 and several cut-off equipments 2 is arranged along the interval of drainage pipeline 3, that wherein cut-off equipment 2 is arranged in drainage pipeline 3
Number is different with length according to the gradient of drainage pipeline 3 and sets, and in the present embodiment, inspection shaft 1 includes well body structure and is equipped with
It is connected thereto the water inlet 10 of trip drainage pipeline and connects the water outlet 11 of drainage pipeline downstream, definition is as row in the present embodiment
When waterpipe conveys water, using the water flow flushing time of 2 position of cut-off equipment as reference point, the pipe that is flowed through before this time
Diameter is upstream drainage pipeline, and the caliber flowed through after this time is downstream drainage pipeline.
One cut-off equipment 2 is installed in an inspection shaft 1, and cut-off equipment 2 includes outer housing 20 and rubber bush 21, rubber sleeve
Cylinder 21 is installed in outer housing 20, and air cavity or water cavity, rubber bush 21 are formed between rubber bush 21 and outer housing 20 to be had
One end of water stream channel 22, water stream channel 22 is connected to upstream drainage pipeline by water inlet 10；The other end is connected by water outlet 11
Logical downstream drainage pipeline；As deformation, the rubber bush 21 in the present embodiment is circularized using integral structure section to be set inside it
There are air cavity or water cavity, rubber bush 21 is installed in outer housing 20；
When air cavity or water cavity inflation or water-filling, 21 deformation of rubber bush, the sectional area of water stream channel 22 becomes smaller, upstream
Drainage pipeline and downstream drainage pipeline cut-off, when air cavity or water cavity deflate or discharge water, rubber bush 21 restores deformation, water flow
The sectional area in channel 22 becomes larger, and 2 upstream drainage pipeline of cut-off equipment is connected with downstream drainage pipeline, wherein rubber bush 21 is extensive
The multiple bottom to the water stream channel 22 under undeformed state is flushed with the bottom of its upstream drainage pipeline.
Further, outer housing 20 and the connection type of drainage pipeline are as follows: can set respectively at the both ends of outer housing 20
There is flange terminal pad 23, the both ends of outer housing 20 are connected by flange terminal pad 23 with drainage pipeline.Preferably, referring to figure
Shown in 1, outer housing 20 is installed in inspection shaft 1, upstream one end of outer housing 20 passes through flange terminal pad 23 and its upstream
Drainage pipeline is connected, and 20 downstream of outer housing or upstream one end are equipped with connecting sleeve 24, connecting sleeve 24 close to outer housing 20 one
End passes through a Duan Xianglian of flange terminal pad 23 and outer housing 20, and the other end of connecting sleeve 24 is set in coupled draining
In pipeline.From the top of inspection shaft 1, lifting enters in inspection shaft when cut-off equipment 2 is installed, and one end of outer housing 20 passes through flange
Terminal pad 23 is connect with drainage pipeline, and the bottom of rubber bush 21 is flushed with the bottom of upstream drainage pipeline, connects sleeve 21
The bottom of rubber bush 21 is connected smoothly in the bottom of downstream drainage pipeline, when installation, connecting sleeve 24 is pacified in advance
Loaded in drainage pipeline, when cut-off equipment 2 lifts in place, the outer end for connecting sleeve 24 and outer housing 20 are passed through into flanged joint
Disk 23 connects, and there are enough installation spaces, and installation is facilitated to operate, and without excavating ground, construction efficiency is high, at low cost.Referring to
It shown in Fig. 3, can also be that outer housing 20 is installed in water inlet 10, and upstream one end of outer housing 20 passes through flange terminal pad
23 are connected with the docking of its upstream drainage pipeline, and downstream one end of outer housing 20 is located in inspection shaft 2.It is shown in Figure 4, it can also be with
For outer housing 20 is mounted in water outlet 11, and downstream one end of outer housing 20 passes through flange terminal pad 23 and drains downstream
Pipeline docking is connected, and upstream one end of outer housing 20 is located in inspection shaft 2.As the deformation of the present embodiment, outer housing 20 and row
The connection type of waterpipe has diversity, can also be by welding, blocking in addition to the flange terminal pad connection in the present embodiment
It the modes such as connects, couple to be attached.
Further, system further include: gas station or water station, conveying main pipe, delivery branch pipe and solenoid valve convey main pipe
It is connected with gas station or water station, the entrance of each cut-off equipment 2 is connected by delivery branch pipe with conveying main pipe, and each conveying branch
Pipe is equipped with solenoid valve.Multiple cut-off equipments 2 are used in conjunction with a gas station or water station in the present embodiment, energy saving, take up an area face
Product is small.If alternatively, setting dry gas station or water station, delivery branch pipe and solenoid valve, the entrance of each cut-off equipment 2 passes through conveying branch
Guan Yuyi gas station or water station are connected, and each delivery branch pipe is equipped with the solenoid valve.
Further, which further includes control system: the system includes liquid level sensor and controller, liquid level sensor
It is respectively arranged at the upstream and downstream of cut-off equipment 2, for monitoring the liquid level and downstream row water pipe of 2 upstream row water pipe of cut-off equipment
Liquid level；Controller is separately connected liquid level sensor and cut-off equipment 2, is equipped with liquid level difference threshold value in controller, controller is used for
It controls cut-off equipment 2 to close, circulation passage 22 ends, 2 upstream row water pipe water storage of cut-off equipment, when liquid level sensor monitors to cut
The liquid level difference for flowing the liquid level of 2 upstream row water pipe of device and the liquid level of downstream row water pipe reaches liquid level difference threshold value, controls this and shuts off
Device 2 is opened, and circulation passage 22 is connected, and the 2 downstream row water pipe of cut-off equipment is rinsed in the water storage in upstream row water pipe.Pass through control
Device and liquid level sensor automatically control cut-off equipment 2 and open or close, high degree of automation easy to operate.Liquid in the present embodiment
Level sensor be respectively arranged in the inspection shaft being connected to 2 upstream drainage pipeline of cut-off equipment and with 2 downstream drainage of cut-off equipment
In the inspection shaft of pipeline connection.Liquid level sensor in the present embodiment is from " Siemens's ultrasonic level gage type selecting handbook " according to reality
Border service condition carries out type selecting, and controller carries out type selecting according to actual use situation from " PLC type selecting handbook ".
Further, flushing cycle is additionally provided in controller, the flushing cycle refers to that all drainage pipelines complete one
It carries out rinsing the time interval between opening next time with all drainage pipelines after secondary flushing, the controller is used for according to
Flushing cycle controls the drainage pipeline periodic flushing, controller after the unlatching of last cut-off equipment timing.Setting is fixed
Phase auto-flushing avoids the mud in drainage pipeline from depositing, and guarantees flushing effect, high degree of automation.
Embodiment 2
The present embodiment 2 provides a kind of purging method of drainage pipeline, along drainage pipeline be arranged N cut-off equipment 2, from downstream to
Upstream is followed successively by the 1st cut-off equipment, the 2nd cut-off equipment ... N cut-off equipment, and drainage pipeline is divided into N+1 sections, from downstream to
Upstream is followed successively by N+1 sections of paragraph 1 drainage pipeline, the 2nd section of drainage pipeline ... drainage pipelines；
S1, before rinsing n-th section of drainage pipeline, the inflation of the n-th cut-off equipment or water-filling, circulation passage are closed, other dresses that shut off
Storing gas or in the open state, the 1≤n≤N that discharges water, the drainage pipeline water storage of (n+1)th section of drainage pipeline and its upstream, n-th section
Drainage pipeline and downstream drainage pipeline emptying；
S2, the n-th cut-off equipment deflate or discharge water, and circulation passage is opened, the drainpipe of (n+1)th section of drainage pipeline and its upstream
N-th section of drainage pipeline and drainage pipeline downstream are rinsed in water storage in road；
The step of repeating S1 and S2 upstream successively rinses paragraph 1 drainage pipeline, the 2nd section of drainage pipeline to N from downstream
Section drainage pipeline completes the flushing of primary all drainage pipelines.
Wherein, the upstream and downstream of the n-th cut-off equipment is equipped with liquid level sensor, and the control method of S1 is as follows: liquid level passes
Second level value in the liquid level of sensor real-time monitoring the n-th cut-off equipment upstream and downstream, respectively the first level value and downstream is simultaneously
The difference for calculating the first level value and the second level value obtains liquid level difference, presets liquid level difference threshold value；When liquid level difference reaches liquid level difference
Threshold value, the n-th cut-off equipment of control deflate or discharge water, and circulation passage is opened, the drainage pipeline of (n+1)th section of drainage pipeline and its upstream
N-th section of drainage pipeline and drainage pipeline downstream are rinsed in interior water storage.
Further, when N cut-off equipment cut-off equipment is deflated or is discharged water, circulation passage is opened, and completes primary all rows
After the flushing of waterpipe, controller again close by the inflation of the 1st cut-off equipment of secondary control or water-filling, circulation passage, on the 1st cut-off equipment
Drainage pipeline water storage is swum, is done homework to rinse next time；Controller deflates or has discharged water from N cut-off equipment cut-off equipment
At timing is started, when timing reaches the flushing cycle of setting, into flushing cycle next time.
Embodiment 3
A kind of repair method of drainage pipeline is provided in the present embodiment, is using the flushing of 1 drainage pipeline of embodiment, maintenance
N cut-off equipment 2 is arranged along drainage pipeline in system, the 1st cut-off equipment is upstream followed successively by from downstream, the 2nd cut-off equipment ... N is cut
Device is flowed, drainage pipeline is divided into N+1 sections, paragraph 1 drainage pipeline, the 2nd section of drainage pipeline ... are upstream followed successively by from downstream
N+1 sections of drainage pipelines；
As needed when n-th section of drainage pipeline of maintenance, the n-th cut-off equipment and the inflation of the (n+1)th cut-off equipment or water-filling are closed
It closes, n-th section of drainage pipeline swims drainage pipeline and downstream drainage pipeline cut-off, n-th section of drainage pipeline emptying thereon respectively；
When overhauling a few sections of continuous drainage pipelines as needed, by close most downstream one end of drainage pipeline and most upstream one
The cut-off equipment at end is turned off, drainage pipeline emptying.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of flushing of drainage pipeline, examination and repair system have the drainage pipeline (3) being obliquely installed, it is characterised in that: along described
Several inspection shafts (1) and several cut-off equipments (2) is arranged in drainage pipeline (3) interval,
The inspection shaft (1) is equipped with the water inlet (10) for being connected thereto trip drainage pipeline and the water outlet for connecting drainage pipeline downstream
Mouth (11)；
One cut-off equipment (2) is installed in an inspection shaft (1), the cut-off equipment (2) include outer housing (20) and
Rubber bush (21), the rubber bush (21) are installed in the outer housing (20), and the rubber bush (21) has water flow
Channel (22), the water stream channel (22) are respectively communicated with upstream row water pipe by the water inlet (10) and the water outlet (11)
Road and downstream drainage pipeline；
When the cut-off equipment (2) inflation or water-filling, rubber bush (21) deformation, the section of the water stream channel (22)
The long-pending cut-off that becomes smaller, the cut-off equipment (2) are closed, and upstream drainage pipeline ends with drainpipe downstream, when the cut-off equipment
(2) it deflates or when discharging water, the rubber bush (21) restores deformation, and the sectional area of the water stream channel (22) becomes larger conducting, institute
Cut-off equipment (2) unlatching is stated, upstream drainage pipeline is connected with drainage pipeline downstream.
2. a kind of flushing of drainage pipeline as described in claim 1, examination and repair system, which is characterized in that further include control system:
The control system includes liquid level sensor and controller, and the liquid level sensor is respectively arranged at the upper of the cut-off equipment (2)
Trip and downstream, for monitoring the liquid level of the cut-off equipment (2) upstream drainage pipeline and the liquid level of downstream drainage pipeline；
The controller is separately connected the liquid level sensor and the cut-off equipment (2), is equipped with liquid level difference in the controller
Threshold value, the controller are closed for controlling the cut-off equipment (2), cut-off equipment (2) the upstream drainage pipeline water storage, when
The liquid level of the liquid level of the liquid level and downstream row water pipe of the cut-off equipment (2) upstream row water pipe that the liquid level sensor monitors
Difference reaches the liquid level difference threshold value, controls the cut-off equipment (2) and opens, cut-off equipment (2) the upstream drainage pipeline
Cut-off equipment (2) the downstream row water pipe is rinsed in water storage.
3. a kind of flushing of drainage pipeline as claimed in claim 2, examination and repair system, which is characterized in that in the controller also
It is provided with flushing cycle, the flushing cycle refers to after all drainage pipelines complete once flushings with all drainage pipelines next time
The time interval between opening is rinsed, the controller is used to control the drainage pipeline according to the flushing cycle and periodically rush
It washes.
4. a kind of flushing of drainage pipeline as claimed in claim 2, examination and repair system, it is characterised in that:
The liquid level sensor be respectively arranged in the inspection shaft being connected to the cut-off equipment (2) upstream drainage pipeline and with it is described
The inspection shaft of cut-off equipment (2) downstream drainage pipeline connection.
5. a kind of flushing of drainage pipeline as described in claim 1, examination and repair system, it is characterised in that: the outer housing (20)
One end docked with upstream drainage pipeline, the outer housing (20) is at least partly installed in the water inlet (10)；
Or, one end of the outer housing (20) is docked with downstream drainage pipeline, the outer housing be at least partly installed on it is described go out
In the mouth of a river (11)；
Or, the outer housing (20) is located in the inspection shaft (1), and the both ends of the outer housing (20) respectively with upstream drainage
Pipeline and the docking of downstream drainage pipeline；
Or, the both ends of the outer housing (20) are respectively equipped with flange terminal pad (23), the both ends of the outer housing (20) pass through institute
Flange terminal pad (23) is stated to be connected with the drainage pipeline；
Or, the both ends of the outer housing (20) are respectively equipped with flange terminal pad (23), one end of the outer housing (20) passes through institute
It states flange terminal pad (23) to be connected with the drainage pipeline, the other end of the outer housing (20) is equipped with connecting sleeve (24), institute
It states connecting sleeve (24) and connects the outer housing by the flange terminal pad (23) close to the one end of the outer housing (20)
(20), the other end of the connecting sleeve (24) is set in coupled drainage pipeline；
Or, one end of the outer housing (20) is equipped with flange terminal pad, one end of the outer housing (20) is connected by the flange
Disk (23) is connect to connect with the end of upstream drainage pipeline or downstream drainage pipeline.
6. a kind of flushing of drainage pipeline as claimed in claim 5, examination and repair system, it is characterised in that:
Wherein, the rubber bush (21) is restored to undeformed state, the bottom and its upstream of the water stream channel (22) or under
The bottom of the drainage pipeline of trip is concordant.
7. a kind of flushing of drainage pipeline as described in claim 1, examination and repair system, which is characterized in that further include: gas station or
Water station, conveying main pipe, delivery branch pipe and solenoid valve, the conveying main pipe are connected with the gas station or water station, and each described section
The entrance of stream device (2) is connected by the delivery branch pipe with the conveying main pipe, and each delivery branch pipe is equipped with described
Solenoid valve；
Or, the entrance of each cut-off equipment (2) passes through described defeated if dry gas station or water station, delivery branch pipe and solenoid valve
Branch pipe is sent to be connected with a gas station or water station, and each delivery branch pipe is equipped with the solenoid valve.
8. a kind of purging method of drainage pipeline, it is characterised in that: use flushing as described in any one of claim 1 to 7, inspection
System is repaired, N cut-off equipment (2) are set along drainage pipeline, the 1st cut-off equipment, the 2nd cut-off equipment ... are upstream followed successively by from downstream
N cut-off equipment, is divided into N+1 sections for the drainage pipeline, and paragraph 1 drainage pipeline, the 2nd section of row are upstream followed successively by from downstream
N+1 sections of drainage pipelines of waterpipe ...；
S1, before rinsing n-th section of drainage pipeline, the inflation of the n-th cut-off equipment or water-filling, circulation passage are closed, other cut-off equipments are put
Gas or in the open state, the 1≤n≤N that discharges water, the drainage pipeline water storage of (n+1)th section of drainage pipeline and its upstream, n-th section of draining
Pipeline and downstream drainage pipeline emptying；
S2, the n-th cut-off equipment deflate or discharge water, and circulation passage is opened, in the drainage pipeline of (n+1)th section of drainage pipeline and its upstream
N-th section of drainage pipeline and drainage pipeline downstream are rinsed in water storage；
The step of repeating S1 and S2 upstream successively rinses paragraph 1 drainage pipeline, the 2nd section of drainage pipeline to N sections of rows from downstream
Waterpipe.
9. a kind of purging method of drainage pipeline as claimed in claim 8, it is characterised in that: n-th cut-off equipment it is upper
Trip and downstream are equipped with liquid level sensor,
The liquid level of n-th cut-off equipment upstream and downstream described in the liquid level sensor real-time monitoring, respectively the first level value and
Second level value and the difference of the first level value of calculating and the second level value in downstream obtain liquid level difference, preset liquid level difference threshold value；
When liquid level difference reaches the liquid level difference threshold value, the n-th cut-off equipment of control deflates or discharges water, and circulation passage is opened, and (n+1)th section
N-th section of drainage pipeline and drainage pipeline downstream are rinsed in water storage in drainage pipeline and its drainage pipeline of upstream.
10. a kind of repair method of drainage pipeline, it is characterised in that: use flushing as described in any one of claim 1 to 7,
N cut-off equipment (2) are arranged along drainage pipeline in examination and repair system, and the 1st cut-off equipment is upstream followed successively by from downstream, the 2nd is shut off dress
N cut-off equipment is set ..., the drainage pipeline is divided into N+1 sections, paragraph 1 drainage pipeline, the 2nd are upstream followed successively by from downstream
Section N+1 sections of drainage pipelines of drainage pipeline ...；
As needed when n-th section of drainage pipeline of maintenance, the n-th cut-off equipment and the (n+1)th cut-off equipment are closed, n-th section of drainpipe
Evacuating pipeline；
When overhauling a few sections of continuous drainage pipelines as needed, most downstream one end and most upstream one end of drainage pipeline will be close to
Cut-off equipment is closed, drainage pipeline emptying.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399432.7A CN110195464A (en) | 2019-05-14 | 2019-05-14 | A kind of flushing of drainage pipeline, examination and repair system and purging method, repair method |
| PCT/CN2020/089300 WO2020228620A1 (en) | 2019-05-14 | 2020-05-09 | Flushing and overhauling system, flushing method and overhauling method for drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399432.7A CN110195464A (en) | 2019-05-14 | 2019-05-14 | A kind of flushing of drainage pipeline, examination and repair system and purging method, repair method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110195464A true CN110195464A (en) | 2019-09-03 |
Family
ID=67752798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910399432.7A Pending CN110195464A (en) | 2019-05-14 | 2019-05-14 | A kind of flushing of drainage pipeline, examination and repair system and purging method, repair method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110195464A (en) |
| WO (1) | WO2020228620A1 (en) |
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| WO2020228620A1 (en) | 2020-11-19 |
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