CN209523268U - It is a kind of to be responsible for the automatic device for removing pipeline deposit suitable for multichannel - Google Patents

Abstract

The utility model discloses a kind of device that automatic removing pipeline deposit is responsible for suitable for multichannel, including the Forebay of Pumping Station in municipal drainage pumping plant, section dirty pump group, rainwater pump group, Forebay of Pumping Station is connected with multiple drainage system general pipeline, Forebay of Pumping Station is respectively connected to cut dirty pump group and rainwater pump group by pipeline, and withdrawal of currency from circulation water pipe is additionally provided between Forebay of Pumping Station and rainwater pump group；One access well of setting, the access well are connect by adding row pressure hydraulic piping with water pipe is steam again on each drainage system general pipeline；It is equipped with washing control valve door between described plus row pressure hydraulic piping and 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, and with strong points applied to the drainage system of various systems, construction investment is few, can realize effective control that river pollution is put to pumping plant in a short time.

Description

It is a kind of to be responsible for the automatic device for removing pipeline deposit suitable for multichannel

Technical field

The utility model category black-odor riverway Treatment process field is related to a kind of automatic method and dress for removing pipeline deposit It sets, is responsible for the automatic device for removing pipeline deposit suitable for multichannel more particularly to a kind of.

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 impulsive force that interim water pipe rinses and has been consumed at the pipeline access in 1m Damage, mud is difficult to be washed, even if origin or beginning can also be deposited again by the deposit that instantaneous flow takes up in subsequent main pipe；It is external It is only 100m that high-pressure water pipeline flushing device maximum, which rinses range, and Chinese large-sized sewerage system main pipe length is generally more than 1km, as Shanghai City large size drains conveying main pipe longest up to 55km.Therefore, a kind of automatic side for removing pipeline deposit is developed Method and device, which put river pollution to reduction pumping plant, positive meaning, is to realize that black-odor riverway improvement Changzhi is necessary hand clearly long Section.

Utility model content

The purpose of this utility model is just to provide a kind of device that automatic removing pipeline deposit is responsible for suitable for multichannel, leads to The deposit cut down in municipal pipeline is crossed, the reduction rainy day puts the total amount of pollutant that river enters river by pumping plant, solves from source The certainly black smelly problem in river, the effect for maintaining black-odor riverway to administer realize that Changzhi is clear long.

In order to achieve the above object, the technical solution of the utility model is as follows: one kind being suitable for the automatic removing of multichannel supervisor The device of pipeline deposit, including in municipal drainage pumping plant Forebay of Pumping Station, cut dirty pump group, rainwater pump group, Forebay of Pumping Station and more A drainage system general pipeline is connected, and Forebay of Pumping Station is respectively connected to cut dirty pump group and rainwater pump group, Forebay of Pumping Station and rain by pipeline Withdrawal of currency from circulation water pipe is additionally provided between water pump group；It is characterized in that at least one access well, institute are arranged on each drainage system general pipeline Access well is stated to connect by adding row pressure hydraulic piping with water pipe is steam again；It is equipped between described plus row pressure hydraulic piping and access well and rinses control Valve processed is equipped with the second control valve, is equipped between the rainwater pump group and river between the withdrawal of currency from circulation water pipe and the Forebay of Pumping Station Third control valve door.

Further, described plus row pressure hydraulic piping is pumped using closed steel pipe, ductile iron pipe, plastic tube etc. according to rainwater Length, caliber and the buried depth of the parameter adjustment pipeline of group water pump.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 row pressure hydraulic piping length it is shorter, Caliber is relatively 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.

For according to drainage system actual conditions, multiple access wells are set in the different location of drainage system general pipeline, and set Setting multichannel adds row pressure hydraulic piping to realize to drainage system multichannel supervisor simultaneously to the multiple access well by the control of valve Or the flushing of timesharing, cut down deposit in pipeline.

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

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

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..

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 circulation flushing operational mode schematic diagram.

The anti-water recovery apparatus schematic diagram of Fig. 3 Large Diameter Pipeline system superintendent.

The anti-water recovery apparatus schematic diagram of Fig. 4 small diameter tube system superintendent.

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, the 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 System and the additional row pressure hydraulic piping 51(52 ... 5n of pumping plant), the access well 61(62 ... 6n of reconstruction) and drainage system general pipeline 21 (22 ... 2n)；Increase control valve 15 and control valve 16 after the withdrawal of currency from circulation water pipe 14 is engineered；Described plus row pressure hydraulic piping 51(52 ... 5n) be connected to steam again water pipe 14, and access drainage system general pipeline 21(22 ... 2n) on access well 6(62 ... 6n)；It is described 1 control room of municipal drainage pumping plant increase intelligence control system, access well 6(62 ... 6n) in installation deposit monitor system, pumping plant Water quality monitoring system is installed in forebay 11.

Washing control valve door 15 and the second control valve 16 for switching rainfall pumping station test run mode, pumping plant puts river mode and Pipe flushing mode.The washing control valve door 15 is closed, when the second control valve 16 is opened and third control valve door 17 is closed, Enter the test run mode of pumping plant daily maintenance when rainwater 13 turn on pump of pump group；Washing control valve door 15 is closed, the second control valve 16 It closes, third control valve door 17 enters rainy day pumping plant when opening and puts river mode；Washing control valve door 15 is opened, the second control valve 16 close, and third control valve door 17 enters pipe flushing mode when closing.

Add row pressure hydraulic piping 51,52,5n quoted from steaming again water pipe 14 in municipal drainage pumping plant 1, and adds row pressure hydraulic piping 51, switch valve 52, is installed respectively on 5n；Described plus row pressure hydraulic piping 51(52 ... 5n) it connects and steams again water pipe 14 and drainage system General pipeline 21(22 ... 2n) on access well 61(62 ... 6n)；The access well 61(62 ... 6n) it is drainage system general pipeline 21(22 ... Inspection shaft on 2n) accesses after engineered and adds row pressure hydraulic piping 51(52 ... 5n), access well 61(62 ... 6n) according to deodorizing facility Prevent foul smell during circulation flushing scattered excessive.

Rainwater, combined sewage, hybrid junction sewage in plot and branch pipe import drainage system general pipeline 21(22 ... 2n), and convey To the Forebay of Pumping Station 11 of municipal drainage pumping plant 1.The siltation in pipeline forms pipeline deposition to pollutant in water during transportation Object, the wastewater pollutants concentration for reaching Forebay of Pumping Station 11 is lower, cuts dirty pump group 12 and sewage of low concentration is only delivered to sewerage. When municipal drainage pumping plant 1, which opens rainy day pumping plant, 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 51(52 ... 5n), be delivered to drainage system general pipeline 21(22 ... 2n) on access well 61(62 ... 6n), to mention Rise access well 61(62 ... 6n) flow velocity into the pipeline of 11 drainage system general pipeline 21(22 ... 2n of Forebay of Pumping Station), tube bottom is deposited Object is washed away, and pollutant concentration quickly increases in pipeline, and pollutant flows through Forebay of Pumping Station → withdrawal of currency from circulation water pipe → plus row with water flow Pressure pipeline → drainage system general pipeline circulation；It cuts dirty pump group 12 and keeps continuous service, high-concentration sewage is delivered to city dirt Water system；Access well 61(62 ... 6n) sewage of low concentration of upstream is supplemented into circle irrigation system and continues to wash away.

It can realize and drainage system general pipeline 21,22 ... 2n are rinsed simultaneously by the switching of control valve, it can also be with Drainage system general pipeline 21,22 ... 2n are rinsed in realization stage by stage.

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.

Drainage system general pipeline 21,22 ... 2n can be rinsed simultaneously by the switching of control valve, it can also be to row Water system general pipeline 21,22 ... 2n are rinsed stage by stage, are realized the synchronous developing be responsible for drainage system multichannel and are alternately rinsed.

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.

It is described to steam again the basic facilities that water pipe is general pumping plant, it is applied to pipeline hydraulic rinse-system after engineered.It is described It steams again water pipe and adds the second control valve at access Forebay of Pumping Station, and increase bypass for connection plus row pressure hydraulic piping.It is described Multichannel add row pressure hydraulic piping to lay from pumping plant to the access well on each road general pipeline of drainage system；Buried depth of pipeline, Guan Weike according to Actual conditions freely adjust.The access well is the inspection shaft on drainage system general pipeline, and selection is closed with pumping plant distance, transformation difficulty Suitable inspection shaft is transformed, access plus row pressure hydraulic piping, and in well indoor location deodorizing facility, when preventing rinse-system from running Foul smell, which dissipates, to overflow.

Each road supervisor caliber of the drainage system of the multichannel supervisor is generally different, and the Municipal pumping stations of the end are generally arranged Rainwater pump of different sizes, small pump lift is big, flow is small, opens small pump impulse and washes the lesser system superintendent of caliber, rinse distance compared with It is long；Big pump lift is small, flow is big, to rinse the biggish system manifold of caliber, rinses apart from relatively short.

In the access well, back-flow preventer 7 can be installed in access plus row pressure hydraulic piping end.The back-flow preventer 7 Applied in the access well of Large Diameter Pipeline system manifold, the back-flow preventer arranges different pore size apopore (71 hole of large aperture hole Diameter > in 72 apertures of pore > small size pores, 73 aperture), upper layer be arranged large aperture hole 71, guarantee conveyance capacity, middle layer sets mesoporous Small size pores 73 are arranged in diameter hole 72, lower layer, increase lower layer's water discharge speed, play souring to tube bottom deposit, raising is washed away Efficiency；The back-flow preventer 8 is applied to small diameter tube system manifold (general caliber≤DN1000), is not influencing area of passage Under the premise of prevent circulating flushing wash water flow back.Row pressure hydraulic piping end is being added to form oblique angle, the nozzle height of the nearly borehole wall is lower than remote Nozzle height from the borehole wall.

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.

Deposit monitoring system is mostly installed in system superintendent in the pipeline, for monitoring thickness of deposits, to pipe Deposit reaches certain proportion in road, opens circle irrigation system.

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.

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.

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 (7)

1. a kind of be responsible for the automatic device for removing pipeline deposit suitable for multichannel, before the pumping plant in municipal drainage pumping plant Dirty pump group, rainwater pump group are cut in pond, and Forebay of Pumping Station is connected with multiple drainage system general pipeline, and Forebay of Pumping Station is separately connected by pipeline To dirty pump group and rainwater pump group is cut, withdrawal of currency from circulation water pipe is additionally provided between Forebay of Pumping Station and rainwater pump group；It is characterized in that in each row One access well of setting, the access well are connect by adding row pressure hydraulic piping with water pipe is steam again on water system general pipeline；Described plus row pressure It is equipped with washing control valve door between hydraulic piping and access well, the second control valve is equipped between the withdrawal of currency from circulation water pipe and the Forebay of Pumping Station Door is equipped with third control valve door between the rainwater pump group and river.

2. as described in claim 1 suitable for the automatic device for removing pipeline deposit of multichannel supervisor, which is characterized in that described Add row pressure hydraulic piping using steel pipe, ductile iron pipe, plastic tube.

3. as described in claim 1 suitable for the automatic device for removing pipeline deposit of multichannel supervisor, which is characterized in that access Deodorization device is set in well, and toxic and harmful gas, which dissipates, when preventing the circulatory system from running overflows.

4. as described in claim 1 suitable for the automatic device for removing pipeline deposit of multichannel supervisor, which is characterized in that arranging Multiple access wells are arranged in the different location of water system general pipeline, and multichannel is arranged and adds row pressure hydraulic piping to the multiple access well, lead to It crosses the control of valve, realizes to drainage system multichannel supervisor simultaneously or the flushing of timesharing, cut down deposit in pipeline.

5. as described in claim 1 suitable for the automatic device for removing pipeline deposit of multichannel supervisor, which is characterized in that draining Submersible agitator is installed in the inspection shaft of system manifold.

6. as described in claim 1 suitable for the automatic device for removing pipeline deposit of multichannel supervisor, which is characterized in that access Installation deposit monitors system in well, to monitor thickness of deposits in drainage system general pipeline.

7. as claimed in claim 6 suitable for the automatic device for removing pipeline deposit of multichannel supervisor, which is characterized in that pumping plant Water quality monitoring system is installed, to monitor the water quality of Forebay of Pumping Station in forebay.