CN209523269U - A kind of pipeline deposit automatic clearing apparatus steaming again water pipe by pumping plant - Google Patents

Abstract

The utility model discloses a kind of pipeline deposit automatic clearing apparatus for steaming again water pipe by pumping plant, multiple access wells are set, the multiple access well is connect by adding row pressure hydraulic piping with water pipe is steam again on drainage system general pipeline；It is equipped with washing control valve door between described plus row pressure hydraulic piping and each access well, the second control valve is equipped between the withdrawal of currency from circulation water pipe and the Forebay of Pumping Station, third control valve door is equipped between the rainwater pump group and river.The utility model reduces pumping plant by way of cutting down pipeline deposit and puts river, solves the problems, such as that river is black smelly from the root.For caliber DN3600, the system manifold that about 1.6 kilometers of length, using the pipeline deposit that can reduce in system manifold 80% or more after the utility model in 10 hours, effect is much better than the prior art.The utility model can be applied to the drainage system of various systems, and with strong points, flexible operation, construction investment is few, can realize effective control that river pollution is put to pumping plant in a short time.

Description

A kind of pipeline deposit automatic clearing apparatus steaming again water pipe by pumping plant

Technical field

The utility model category black-odor riverway Treatment process field is related to a kind of automatic device for removing pipeline deposit, tool Body it is related to a kind of pipeline deposit automatic clearing apparatus that water pipe is steam again by extending terminal pump station.

Background technique

As rapid urban and the density of population are continuously increased, river water environmental problems are increasingly highlighted, most cities Black-odor riverway is developed into river.Black-odor riverway problem seriously affects nearby residents quality of life, city image generation.River The black smelly origin cause of formation is other than leading to river channel ecology system destruction due to urban construction, and most importantly pollutant directly enters river and causes External source pollution.

In existing black-odor riverway Treatment process, sewage interception along river, bed mud dredging, restoration of the ecosystem, the technologies such as clean water diversion It is widely used, but since each technological means is there are respective limitation, is difficult to solve the problems, such as that river is black smelly in a short time.

Sewage interception along river, which refers to, lays wastewater interception pipe along river two sides, by it is originally in line enter river sewage access cut dirty pipe Road, and it is delivered to sewage treatment plant, mitigate the in line impact to river water quality of sewage.But interception project implement engineering cost compared with Height, implementation cycle are longer.After the completion of interception project, since the sewage of rain dirt hybrid junction accumulation is in rain in combined sewage and municipal pipeline It can put river by pumping plant driving and enter river, influence river quality of water environment again.

Bed mud dredging is to blow the mud for depositing river bed using mechanical equipment to stir into the watery of muddiness, and transport extraction.Clearly Deposit technique can reduce the endogenous pollution in river, but improper for the sludge handling of extraction be easy to cause secondary pollution.

River corridor restoration refers in river land-based area control line, is meeting the rivers basic training such as flood control, water drainage and diversion On the basis of energy, urban river water ecosystem restoration is promoted by artificial reclamation activities, constructs healthy, complete, stable urban river water The activity of the ecosystem.But the technology to black-odor riverway renovating effect there are limitation, rainfall day put river with pumping plant, pollute Object can destroy river channel ecology system back into river.

Clean water diversion is to introduce polluted river channel upstream or neighbouring cleaning by the regulation of water conservancy projects (such as gate, pumping plant) Water source enhances the diffusion, purification and output of water pollutant to improve the hydrodynamic conditions in river, being capable of rapid recovery water body It is black smelly, but can not achieve the improvement steady in a long-term of black-odor riverway water quality.

For the black-odor riverway Treatment process applied at this stage there are long construction period, investment is big, and the limitation such as can not take effect in short term Property.In addition, often river as before, it is clear long to cannot achieve Changzhi again multiple " black " after heavy rain.Tracing it to its cause is pollutant warp Over long distances, it deposits to form mud in tube bottom after low flow velocity conveying, when catchment occurs, pumping plant rainwater pump group is opened, pipeline Interior deposit is washed into water body.For combined flow system, when pipe diameter determing, considers that (pipeline is set for 2 ~ 5 times of interception ratio The flow of meter is 3 ~ 6 times of dry flow sewage amount), flow velocity is lower in pipeline when dry days sewage transport, and dirty water pollutant can be in pipe It is deposited in road.For separate flow system, the problems such as due to rain dirt hybrid junction, dry flow sewage enters storm sewer, and sewage passes through rainwater The dirty pump that cuts of pumping plant is delivered to sewerage；Many drainage systems are in high water level operational mode, and rain pipe caliber is pressed 3 ~ 5 years Return period designs (i.e. pipe design conveying capacity is tens times of dry flow sewage amount or more), and caliber is larger, and dry flow sewage is in rain Flow velocity is lower in waterpipe, and polluter is deposited in tube bottom.Since system high water level is run, tradition connects the water that interim water pipe rinses Stream impulse force has been consumed in 1m at the pipeline access, and mud is difficult to be washed, even if the deposit that origin or beginning is taken up by instantaneous flow It can be deposited again in subsequent main pipe；It is only 100m that external high-pressure water pipeline flushing device maximum, which rinses range, and Chinese large-sized Sewerage system main pipe length generally drains conveying main pipe longest up to 55km more than 1km, such as Shanghai City large size.Therefore, it opens Sending out one kind automatic method and device for removing pipeline deposit and reduction pumping plant is put river and polluted has positive meaning, is that realization is black Smelly river regulation Changzhi is necessary means clearly long.

Utility model content

The purpose of this utility model is just to provide a kind of pipeline deposit automatic clearing apparatus that water pipe is steam again by pumping plant, By cutting down the deposit in municipal pipeline, the reduction rainy day puts the total amount of pollutant that river enters river by pumping plant, from source Solve the problems, such as that river is black smelly, the effect for maintaining black-odor riverway to administer realizes that Changzhi is clear long.

In order to achieve the above object, the technical solution of the utility model is as follows: a kind of pipeline steaming again water pipe by pumping plant Deposit automatic clearing apparatus, including in municipal drainage pumping plant Forebay of Pumping Station, cut dirty pump group, rainwater pump group and all the way drain System manifold, Forebay of Pumping Station are connected with drainage system general pipeline, and Forebay of Pumping Station is respectively connected to cut dirty pump group and rainwater by pipeline Pump group is additionally provided with withdrawal of currency from circulation water pipe between Forebay of Pumping Station and rainwater pump group；It is characterized in that multiple connect is arranged on drainage system general pipeline Enter well, the multiple access well is connect by adding row pressure hydraulic piping with water pipe is steam again；Described plus row pressure hydraulic piping and each access well Between be equipped with washing control valve door, equipped with the second control valve between withdrawals of currency from circulation water pipe and the Forebay of Pumping Station, the rainwater pump group Third control valve door is equipped between river.

Further, steel pipe, ductile iron pipe and plastic tube etc. can be used in described plus row pressure hydraulic piping, according to rainwater pump group water pump Parameter adjustment pipeline length, caliber and buried depth.Pumping plant high for configuration pump head, flow is big, adds row pressure hydraulic piping Length is long, caliber is relatively large；For configuring pump head is small, flow is small pumping plant, add that row pressure hydraulic piping length is shorter, caliber phase To small；Buried depth of pipeline can be according to adding discharge pipe performance to be adjusted.

Further, it accesses toxic and harmful gas when setting deodorization device prevents the circulatory system from running in well and dissipates and overflow.

Further, it accesses in well and the refluence that anti-water recovery apparatus avoids circulating flushing wash water is set, guarantee flushing water for silt Mud deposit is washed away.

Further, installation deposit monitors system in access well, to monitor thickness of deposits in drainage system general pipeline.

Further, water quality monitoring system is installed in Forebay of Pumping Station, to monitor the water quality of Forebay of Pumping Station.

Further, ultrasonic flow-velocity detector is installed in drainage system general pipeline, to monitor in drainage system general pipeline Flow velocity.

Further, when drainage system general pipeline caliber is larger, submersible agitator is installed in the inspection shaft of drainage system general pipeline, Promote deposit to wash away, accelerates circulation flushing process.Various ways, including vertical installation, opposite peace can be used in blender installation Be filled with and misorientation installation etc..

Further, municipal drainage pumping plant includes n adjacent pumping plants, and the withdrawal of currency from circulation water pipe of each pumping plant is by adding row pressure power Pipeline is connected to the access well of adjacent pumping drainage system manifold, realizes the circulation flushing of adjacent pumping drainage system manifold.

In order to achieve the above object, another technical solution of the utility model is as follows: a kind of adjacent pumping drainage system Automatic to remove pipeline deposit device, municipal drainage pumping plant includes n adjacent pumping plants, and each pumping plant includes Forebay of Pumping Station, cuts dirt Pump group, rainwater pump group, Forebay of Pumping Station are connected with drainage system general pipeline, Forebay of Pumping Station by pipeline be respectively connected to cut dirty pump group and Rainwater pump group is additionally provided with withdrawal of currency from circulation water pipe between Forebay of Pumping Station and rainwater pump group；It is characterized in that the drainage system of each pumping plant is total Access well is respectively provided on pipe, the withdrawal of currency from circulation water pipe of each pumping plant is by adding row pressure hydraulic piping to be connected to adjacent pumping drainage system manifold Access well, realize the circulation flushing of adjacent pumping drainage system manifold.

The utility model is followed using the draining pump and withdrawal of currency from circulation drainage facility of built Municipal pumping stations by adding to arrange all the way (or multichannel) Ring flushing pipe forms pipeline hydraulic rinse-system, increases the flow velocity in pipeline, and realization is responsible for drainage system to multichannel is possessed Pipeline deposit washes away, so that the river of putting for reducing rainy day pumping plant is polluted.The automatic removing pipeline deposit of the utility model fills Set, dry days simulate the rainy day drive to put river when drainage system general pipeline in high flow rate scour process, tube bottom deposit is in dry days quilt Reduction is washed away, the driving of rainy day pumping plant is greatly reduced and puts river and cause to pollute the risk into river.Described plus discharge pipe length, caliber can It is designed according to drainage system general pipeline caliber and rainwater pump group device parameter.The circle irrigation system can sink according in pipeline Product situation is flexibly run, and saves operating cost.

The method that reduction pipeline deposit provided by the utility model realizes that pumping plant puts pollution river reduction has the advantage that

(1) efficiently using existing facility, engineering measure is few, and investment for trnasforming urban land is small.

(2) operating method is simple, convenient for management.

(3) removal of pipeline deposit is obvious, and it is good to put river contamination control effect to pumping plant, quick.

(4) different system drainage systems, method wide application be can adapt to.

Detailed description of the invention

Fig. 1 is the process flow chart of the method and device of the automatic removing pipeline deposit of the utility model.

Fig. 2 is adjacent, close drainage system circulation flushing schematic diagram.

Fig. 3 circulation flushing operational mode schematic diagram.

The anti-water recovery apparatus schematic diagram of Fig. 4.

Specific embodiment

Specific embodiment of the present utility model is further described below in conjunction with attached drawing.

The utility model realizes that pumping plant puts the pipeline formed in the method for polluting river reduction by cutting down pipeline deposit Rinse-system, as shown in Figure 1, drainage system only sets a main pipe, i.e., drainage system general pipeline 2 shown in FIG. 1, the pipe flushing System includes:

Forebay of Pumping Station 11, section dirty pump group 12 in municipal drainage pumping plant 1, rainwater pump group 13, the withdrawal of currency from circulation water pipe 14, intelligent control The access well 6 and drainage system general pipeline 2 of system and the additional row pressure hydraulic piping 5 of pumping plant, reconstruction；The withdrawal of currency from circulation water pipe 14 is engineered Increase washing control valve door 15 and the second control valve 16 afterwards；Described plus row pressure hydraulic piping 5, which is connected to, steams again water pipe 14, and the row of access Access well 6 on water system general pipeline 2；1 control room of municipal drainage pumping plant increases intelligence control system, installation in access well 6 Deposit monitors system, installs water quality monitoring system in Forebay of Pumping Station 11.

Control valve 15 and control valve 16 are used to switch rainfall pumping station test run mode, pumping plant puts river mode and pipe flushing Mode.The control valve 15 is closed, and when control valve 16 is opened and control valve 17 is closed, when rainwater 13 turn on pump of pump group enters The test run mode of pumping plant daily maintenance；The control valve 15 is closed, and control valve 16 is closed, and control valve 17 enters when opening Rainy day pumping plant puts river mode；The control valve 15 is opened, and control valve 16 is closed, and control valve 17 enters pipeline punching when closing Mold cleaning formula.

Row pressure hydraulic piping 5 is added to add row pressure solenoid quoted from water pipe 14, the setting of control valve 15 is steam again in municipal drainage pumping plant 1 On road 5；The access well 6 on water pipe 14 and drainage system general pipeline 2 is steam again in the connection of described plus row pressure hydraulic piping 5；The access well 6 is Inspection shaft on drainage system general pipeline 2, is accessed after engineered plus row pressure hydraulic piping 5, access well 6 prevent from recycling according to deodorizing facility Foul smell, which dissipates, in flushing process overflows.

Rainwater, combined sewage, hybrid junction sewage in plot and branch pipe import drainage system general pipeline 2, and are delivered to municipal row The Forebay of Pumping Station 11 of pump works 1.Siltation forms pipeline deposit to pollutant in water in pipeline during transportation, reaches pump Stand forebay 11 wastewater pollutants concentration it is lower, cut a dirty pump group 12 and sewage of low concentration be only delivered to sewerage.When municipal administration is arranged When the unlatching rainy day pumping plant of pump works 1 puts river mode, deposit can enter river with current scour in pipeline；

After pipe flushing mode starts, rainwater pump group 13 extracts the water in Forebay of Pumping Station 11, by steaming again water pipe 14 and adding Row pressure hydraulic piping 5, the access well 6 being delivered on drainage system general pipeline 2 are drained to promote access well 6 between Forebay of Pumping Station 11 Flow velocity in the pipeline of system manifold 2 washes away tube bottom deposit, and pollutant concentration quickly increases in pipeline, pollutant with Water flow flows through Forebay of Pumping Station → withdrawal of currency from circulation water pipe → plus row pressure hydraulic piping → drainage system general pipeline circulation；Dirty pump group 12 is cut to hold High-concentration sewage is delivered to urban sewage system by reforwarding row；The sewage of low concentration of access 6 upstream of well is supplemented into circulation flushing System continues to wash away.

It is comprised the following steps using the method that the reduction pipeline deposit of the utility model realizes that pumping plant puts pollution river reduction:

Step 1, (ratio can be according to system actual conditions tune when thickness of deposits reaches the 20% of duct height in pipeline It is whole), intelligence control system starts flushing process, and opening controlling valve door 15, closing control valve 16, closing control valve 17 opens Open 1 ~ 2,13 moderate rain water pump of rainwater pump group.

Step 2, it cuts dirty pump group 12 and opens normal operation, continue Forebay of Pumping Station middle and high concentration sewage transport to municipal sewage System.

Step 3, it after 11 water quality of Forebay of Pumping Station is gradually decreased and tended towards stability, can be selected according to deposit situation in pipeline The rainwater pump for closing rainwater pump group 13, terminates to rinse；Cutting dirty pump group can choose whether to continue to run according to water level in system.

Row pressure hydraulic piping 5 can be added by laying one or more according to drainage system actual conditions, until drainage system Each position, including upstream, middle part, downstream etc. are realized and are rinsed to the deposit of different range pipeline in drainage system.

In the utility model, the Municipal pumping stations rainwater pump group, section dirty pump group, Forebay of Pumping Station are general Municipal pumping stations base This facility can be applied to pipeline hydraulic rinse-system without transformation.The Municipal pumping stations rainwater pump group cuts dirty pump group, pumping plant The matched equipment in forebay can be used directly, without transformation.

The withdrawal of currency from circulation water pipe is the basic facilities of general pumping plant, is debugged for water pump, after pumping plant very normal operation throughout the year not It uses.It is applied to pipeline hydraulic rinse-system after engineered.The withdrawal of currency from circulation water pipe adds the second control at access Forebay of Pumping Station Valve, and increase bypass and add row pressure hydraulic piping for connecting.The multichannel adds row pressure hydraulic piping to lay from pumping plant to draining Access well on the general pipeline of the road Tong Ge；Buried depth of pipeline, Guan Weike are freely adjusted according to the actual situation.The access well is drainage system Inspection shaft on general pipeline, selection are transformed with pumping plant distance, the suitable inspection shaft of transformation difficulty, access plus row pressure hydraulic piping, And in well indoor location deodorizing facility, foul smell dissipates excessive when preventing rinse-system from running.

In the access well, anti-water recovery apparatus 7 can be installed in access plus row pressure hydraulic piping end.The anti-water recovery apparatus cloth It sets in different pore size apopore (71 aperture of large aperture hole > in 72 apertures of pore > small size pores, 73 aperture), large aperture is arranged in upper layer Hole 71 guarantees conveyance capacity, and middle layer sets middle pore 72, and small size pores 73 are arranged in lower layer, increases lower layer's water discharge speed, to tube bottom Deposit plays souring, improves flush efficiency.

The intelligence control system includes deposit monitoring, Forebay of Pumping Station water quality monitoring system etc. in pipeline.The intelligence The system of can control can automatically turn on according to pipeline deposition, terminate flushing process.

Carrying out pipe flushing in dry days is to carry out pipe flushing using idle rainwater pump group in non-rainfall day；The rainwater Pump group configuration rainwater pump can be steam again on water pipe and newly-built pressure pipeline access general pipeline from drawing water and passing through in Forebay of Pumping Station Inspection shaft realizes the flushing to deposit in access well to Forebay of Pumping Station segment pipe；The rainwater pump conveying energy of the rainwater pump group Power is strong, can increase pipe flow speed in drainage system general pipeline, is conducive to washing away for deposit in pipeline.

Row pressure hydraulic piping 5 can be added by laying one or more according to drainage system actual conditions, until drainage system Each position, including upstream, middle part, downstream etc. are realized and are rinsed to the deposit of different range pipeline in drainage system.Pass through city Rainwater pump group 13 is opened in political affairs pumping plant 1, increase 2 interior conduit flow velocity of drainage system general pipeline to pipeline non-silting velocity (>=0.75m/s), Deposit in pipeline is washed away.Pass through pump characteristics, setting plus row pressure hydraulic piping length and pipe in analysis rainwater pump group 13 Diameter.For the system that pump capacity is big in rainwater pump group 13, lift is small, it can lay and add row pressure hydraulic piping 5 to system downstream；For The system that pump capacity is moderate in rainwater pump group 13, lift is moderate can lay and add row pressure hydraulic piping 5 to system middle reaches, downstream；It is right The system that pump capacity is small in rainwater pump group 13, lift is high, can lay plus row pressure hydraulic piping 5 to system upstream, middle reaches, under Trip.

Circulation flushing refers to that deposit can uniformly mix after washing away in pipeline in pipeline, and defeated via drainage system general pipeline It send to Forebay of Pumping Station；Water in the Forebay of Pumping Station is taken by rainwater pump group rainwater pumping, defeated via withdrawal of currency from circulation water pipe and pressure pipeline It send to access well.It moves in circles through this, Forebay of Pumping Station water pollutant concentration increases；Described section of dirty pump group continuous service, will be high Concentration sewage transport is to urban sewage system, and low concentration of water enters back into the circulatory system before accessing well；By long-play, follow Concentration of wastewater gradually reduces in ring rinse-system；Pipeline deposit is washed completely substantially in system manifold after access well.

After Forebay of Pumping Station water quality tends towards stability, i.e., deposit can stop recycling after washing away completely in pipeline after access well System operation, energy saving；If long-time Municipal pumping stations rainwater pump group does not drive to put river, intelligent control after circulation flushing System will restart flushing process.

Pipeline deposition fraction is lower when opening rinse-system, and the open frequency of automated development is higher, and deposit cuts down effect Fruit is more preferable, but energy consumption is higher；Pipeline deposition fraction is higher when opening rinse-system, and the open frequency of automated development is lower, energy Consumption is lower, but deposit reduction effect is weaker.

Described plus row pressure hydraulic piping is laid to the access well on each road general pipeline of drainage system, can be with by valve transfer It realizes that multiloop loop system general pipeline is rinsed simultaneously, each road supervisor also may be implemented and alternately rinse.

The pipe flushing system is adapted to separate sewage system and combined drainage system.For separate system system System, can be by the conveying capacity of shut off in amplification pumping plant facility scale and facility back end line (including sewage treatment facility Processing capacity etc.), accelerate the speed that forebay water quality tends towards stability, reduce the time of flushing process, reduces energy consumption.Combined flow system The facility scale that shuts off is larger, and this problem is not present.

Another embodiment according to the present utility model, can be according to adjacent, close drainage system actual conditions, by adding row One or more pressure pipeline is to adjacent close drainage system general pipeline.It can be by connecing pressure all the way on the withdrawal of currency from circulation water pipe of 1# pumping plant 61 Pipeline is laid to the system manifold of 2# drainage system 52；Pressure pipeline all the way is connect from the withdrawal of currency from circulation water pipe of 2# pumping plant 62, laying is extremely The system manifold of n# drainage system 53；Pressure pipeline all the way is connect from the withdrawal of currency from circulation water pipe of n# pumping plant 63 to lay to 1# drainage system 51 System manifold.By steaming again the transformation of water system to adjacent, proximate systems pumping plant, realize that adjacent, close drainage system is total The circulation flushing of pipe realizes that pipeline deposit is cut down.

The utility model realizes that pumping plant is put the reduced method maximum possible of river pollution and is utilized by cutting down pipeline deposit Built urban operating mechanism, avoid tearing open greatly build in large scale under the premise of, strive realizing put pumping plant in a short time with smaller project inputs River pollution control effectively.For caliber DN3600, the system manifold that about 1.6 kilometers of length passes through 10 hours or so pipes Road rinse, can cut down wash away in range 80% or more pipeline deposit.

It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended Claim limit.

Claims (6)

1. a kind of pipeline deposit automatic clearing apparatus for steaming again water pipe by pumping plant, before the pumping plant in municipal drainage pumping plant Dirty pump group, rainwater pump group are cut and drainage system general pipeline, Forebay of Pumping Station are connected with drainage system general pipeline all the way, Forebay of Pumping Station in pond It is respectively connected to cut dirty pump group and rainwater pump group by pipeline, withdrawal of currency from circulation water pipe is additionally provided between Forebay of Pumping Station and rainwater pump group；Its It is characterized in that multiple access wells are arranged on drainage system general pipeline, the multiple access well is by adding row pressure hydraulic piping and steaming again water pipe Connection；Be equipped with washing control valve door between described plus row pressure hydraulic piping and each access well, the withdrawal of currency from circulation water pipe and Forebay of Pumping Station it Between be equipped with the second control valve, between the rainwater pump group and river be equipped with third control valve door.

2. a kind of pipeline deposit automatic clearing apparatus for steaming again water pipe by pumping plant as described in claim 1, feature exist Toxic and harmful gas, which dissipates, when setting deodorization device prevents the circulatory system from running in access well overflows.

3. a kind of pipeline deposit automatic clearing apparatus for steaming again water pipe by pumping plant as described in claim 1, feature exist In installing submersible agitator in the inspection shaft of drainage system general pipeline.

4. a kind of pipeline deposit automatic clearing apparatus for steaming again water pipe by pumping plant as described in claim 1, feature exist System is monitored in installation deposit in access well, to monitor thickness of deposits in drainage system general pipeline.

5. a kind of pipeline deposit automatic clearing apparatus for steaming again water pipe by pumping plant as claimed in claim 4, feature exist Water quality monitoring system is installed in Forebay of Pumping Station, to monitor the water quality of Forebay of Pumping Station.

6. a kind of pipeline deposit automatic clearing apparatus for steaming again water pipe by pumping plant as described in claim 1, feature exist It include pumping plant in municipal drainage pumping plant, the withdrawal of currency from circulation water pipe of each pumping plant is by adding row pressure hydraulic piping to be connected to adjacent pumping drainage The access well of system manifold realizes the circulation flushing of adjacent pumping drainage system manifold.