CN106219813A - Rainfall pumping station puts the black smelly method for treating water in river (river) rainy season - Google Patents
Rainfall pumping station puts the black smelly method for treating water in river (river) rainy season Download PDFInfo
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- CN106219813A CN106219813A CN201610708909.1A CN201610708909A CN106219813A CN 106219813 A CN106219813 A CN 106219813A CN 201610708909 A CN201610708909 A CN 201610708909A CN 106219813 A CN106219813 A CN 106219813A
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- black smelly
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- pumping station
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/29—Chlorine compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
Rainfall pumping station puts the black smelly method for treating water in river (river) rainy season, relate to the technology causing black and odorous water material to control, particularly relate to cause black smelly control to by the bed mud of deposition in storm sewer or catch-basin, it is adaptable to rainfall pumping station, confluence sewage pumping station and River shove regulation are put the front black smelly water in river (river) and processed.The present invention by storm sewer bed mud is washed away, catch-basin bed mud disturbance lifting, silt particle slag separate and the antibacterial reduction of medicament slow release is black smelly processes.Processing method technique of the present invention is simple, floor space is little, reduced investment, environmental benefit are high, and operational management is convenient, except solving to put in flood season the black smelly problem of river, also can solve the bed mud deposition problems of rainfall pumping station upstream pipeline section, that cuts dirty pump in rainfall pumping station blocks winding problem and the abrasion blocking of downstream pipe network and deposition problems simultaneously, it is also possible to improves rainfall pumping station and penetrates into the water inlet carbon-nitrogen ratio of the relevant Sewage Plant of sewage.
Description
Technical field
Rainfall pumping station puts the black smelly method for treating water in river (river) rainy season, relates to the technology causing black and odorous water material to control,
Particularly relate to cause black smelly process to by the bed mud of deposition in storm sewer or catch-basin, it is adaptable to rainfall pumping station, interflow dirt
Pump works and River shove regulation are put the front black smelly water in river (river) and are processed.
Background technology
Along with Environmental requires to step up, dredging waterway dynamics in recent years continues to increase, the black smelly phenomenon in river course
Also result in and pay attention to widely.By finding the black smelly pollutant sources in research river course, rainfall pumping station puts river (river) rainy season
Black smelly water is one of its major pollutants source.Owing to China's rain dirt pipeline hybrid junction phenomenon is serious, add pipe long-distance defeated
The reason such as sending, in causing storm sewer, impurity deposition is serious, and creates black smelly in various degree.Whenever rainy season set, this part
Deposit is rushed to each big rainfall pumping station by rainwater, together puts into river (river) along with rainwater.Still further aspect, inside rainfall pumping station also
Have partial impurities deposition, may be from being washed into rainy season the pollutant of pumping plant, it is also possible to come from hybrid junction in dry season to rainwater
The sewage of pipe network.This Parts of deposits deposits in catch-basin as well as the passage of time, progressively produces because of anaerobism
Black smelly phenomenon, so that put river black and odorous water.
Study will shove the combined drainage system of old town, two sides, territory as research by Guangzhou Xin Hepu it addition, have
Object, by finding the physicochemical characteristics research of deposit in combined system drainage pipeline, in deposit, particle diameter is less than 0.25
The small size particle of mm accounts for the large percentage of deposit total amount, the degradable organic matter of 60%, the total phosphorus of 70%, the total nitrogen master of 70%
Particle diameter to be enriched in is less than in 0.25 mm deposit.And study and show, in drainage pipeline, the existence of deposit, not only increases
Water flow in pipeline resistance meeting corruption candle pipeline, also can reduce the conveying capacity of drainage pipeline, increase the resistance to water-flow in pipeline.When heavy
Long-pending thing accumulation even can cause line clogging when reaching to a certain degree, destroys the properly functioning of drainage system, and rainy day draining
When in pipeline, flow increase causes overflow, the deposit of duct bottom is it also occur that wash away again, and overflow enters water body, raw to water body
State system damages.
At present, pollute for source both at home and abroad, storm sewer pollutes, rainfall pumping station pollutes until finally putting the black smelly water in river
Control measure as shown in the table:
The control measure of table 1 pollution load of overflow
| Control measure | Concrete measure |
| Sources controlling | Use permeability ground；Regularly clean Streets rubbish；Cleaning inlet for stom water；Improve vegetation coverage；Control soil losses. |
| Pipe control | On the premise of environmental standard is permitted, drainage pipeline uses less interception ratio as far as possible；In drought stream period, periodically pipeline is rinsed；Pipeline is monitored, safeguards, prevent seepage. |
| Regulate and store control | Using overflow to dam pond, when flow exceedes the conveying capacity of downstream line, combined sewage enters through part flow arrangement and retains pond and store. |
| Go out water management | Employing arranges sedimentation tank, cyclone separator, or controls pathogenic bacteria, enterovirus and the spiral shell worm's ovum in overflow sewage with sterilization. |
Additionally, Ye Jianfeng et al. also mentions utilization now in patent " method of reducing pollutants discharged to river from rain and sewage hybrid junction drainage system "
Some hybrid junction drain pipies, close water intaking valve and drain valve in dry days, with rainwater pump by the sewage suction wet well warp in sump
Steaming again facility and return to sump, in utilizing waterpower agitation to make sump, deposit mixes with sewage in sump, then by sewage
Retain pump and enter sewage treatment plant, can effectively reduce the pollutant of rain dirt hybrid junction drainage system and put river amount, this method not
The rubbish of bed mud separates clear, not only causes delivery pump problem, will also result in the blocking of downstream wastewater official website.
City is as shown in table 2 about measure and the pluses and minuses of pipe dredging the most both at home and abroad.
Table 2 dredging measure
For the mud problem of pumping plant, also learning through investigation, some American-European countries allow high concentration sludge thing and the sewage of foreign material
Pump, such as centrifugal pump, screw pump, positive-displacement pump etc., as dam pump to ensure that alluvial mud is discharged into Sewage Plant with dam pump.
For large pumping station, it is also possible to additional grid intercepts that volume is relatively big and heavier solid.This type of pumping plant is typically necessary timing (
Few weekly) to safeguard, the dry flow sewage and the mud that enter sump can enter Sewage Plant with dam pump.
Most important for the pollutant catabolic gene of residual in rainfall pumping station.Because the removal of pumping plant internal contamination thing is for fear of field
Ground etc. are many-sided to be limited, it is impossible to accomplish thoroughly to remove, and remains in after the pollutant in well experience anaerobic state for a long time, also will not
Can avoid black smelly phenomenon.
Summary of the invention
It is an object of the invention to provide a kind of can elimination causes rainfall pumping station to put the black smelly material of river, it is to avoid rainy season
To discharging the pollution in river course nearby when putting river (river), thus avoiding black sordes matter to deposit in bottom of river channel, its technique is simple, takes up an area
Area is little, and reduced investment, environmental benefit are high, and operational management convenient rainfall pumping station puts the black smelly method for treating water in river (river) rainy season.
Rainfall pumping station of the present invention puts the black smelly method for treating water in river (river) rainy season in dry season (water pump test run etc. like rain) and/or anti-
(evacuating as pre-) before flood and do not affect period of flood control and use, by washing away storm sewer bed mud, catch-basin bed mud disturbance carries
Rise, body refuse separates and black smelly the carrying out of the antibacterial reduction of medicament slow release processes realization.Rainfall pumping station can select it according to practical situation
In one or more processing methods be combined use.
Storm sewer bed mud washes away process part and includes rainfall pumping station inlet gate, cuts dirty gate, section dirty pump, will be deposited on
Bed mud in storm sewer, by closing rainfall pumping station inlet gate, suppresses high water level, opens simultaneously and cut dirty gate in the short time,
Water in catch-basin is discharged downstream pipe network by cutting dirty pump, evacuates catch-basin, subsequently, by opening inlet gate, utilize liquid
Potential difference, quickly brings into the bed mud deposited in rain pipe in catch-basin；When inlet gate opens and closes difficult, can be by configuring stream
Amount, more than section dirty pump of inflow in dry season, utilizes big flow to take out low catch-basin water level and forms liquid level difference, rush inlet channel
Brush processes.
Catch-basin bed mud disturbance treatment part promotes and includes rainwater pump, diving mixer, agitating type diving elevator pump, water outlet
Gate, withdrawal of currency from circulation sluice gate.Close out sluice gate, open withdrawal of currency from circulation sluice gate, open rainwater pump, utilize withdrawal of currency from circulation water to be partially depositing in
Bed mud bottom catch-basin stirs.Prevent bed mud from again depositing followed by blender, and by the agitating type of band agitating function
Diving elevator pump, further by the bed mud disturbance of bottom deposit, is promoted to aftertreatment device.
Silt particle slag separating treatment part includes quickly by bed mud and the device of magazins' layout and section dirty pump.After promoting
Bed mud is squeezed into segregation apparatus and is entered mud groove, and segregation apparatus is by screening or filters, and the separation aperture of screening or drainage screen can be according to reality
Border demand is pressed 0.025mm～3.0mm and is arranged, and will collect less than after the muddy water of pore size filter and magazins' layout, is back to cut a dirty well
In, it is discharged downstream pipe network by cutting dirty pump.Device then it is separated, by squeezing or dehydration side more than the impurity separating aperture
Formula reduces moisture content, after making moisture content reach less than 80%, can directly transport outward.In order to ensure equipment treating capacity, need to be to segregation apparatus
Drainage screen be periodically carried out.Owing to operation hours is the most discontinuous, therefore can be carried out during stopping transport or
Prerinse is carried out before using.
The black smelly process part of the antibacterial reduction of slow release includes medicament slow release container and receptacle fixture.Slow-releasing agent is chloride
Oxidant, is placed on slow-release disinfection medicament in medicament slow release container, and medicament slow release container may select the aperture mesh bag less than 5mm
Or porous container, in the receptacle fixture in then container is fixedly installed on catch-basin, receptacle fixture can make medicament delay
Release container to move up and down, in order to medicament changed by container.Discharged by the persistence of medicament, carry out long sterilizing and cut
Subtract black smelly effect, prevent from again occurring in catch-basin in a short time black smelly, when residual chlorine concentration is less than 0.5mg/L, treated
Water can put into river (river).
The invention have the advantages that
(1) the black smelly method for treating water technique of the present invention is simple, and floor space is little, and reduced investment, environmental benefit are high, and operational management side
Just it is applicable to rainfall pumping station, confluence sewage pumping station or river and the process of the black smelly water putting river such as gushes.
(2) the black smelly method for treating water technique of the present invention is flexible, and rainfall pumping station can select wherein one flexibly according to practical situation
Kind or multiple processing method be combined after process, reach in rainfall pumping station front end pipe network, catch-basin, at the bottom of catch-basin etc.
The purpose that the black smelly water in many places processes, puts the black smelly problem of river (river) water with effective solution.
(3) treatment effect of the black smelly method for treating water of the present invention is lasting, except when equipment runs, and can successive elimination rainwater
Black smelly problem in pipeline, catch-basin and at the bottom of catch-basin, more can be carried out water body in catch-basin after equipment is out of service
Continuous disinfection processes, and in preventing catch-basin, water body is the most black smelly.
(4) the black smelly method for treating water of the present invention can process the black smelly problem of flood Ji Fangjiang (river) water simultaneously, solve rainwater pump
Stand the bed mud deposition problems of upstream pipeline section, the blocking winding problem cutting dirty pump in rainfall pumping station and the abrasion of downstream pipe network and heavy
Long-pending problem, and the carbon-nitrogen ratio of relevant Sewage Plant water inlet can be improved.
Accompanying drawing explanation
Accompanying drawing is embodiment of the present invention schematic diagram, is not defined the inventive method.
Fig. 1 is the process chart that rainfall pumping station of the present invention puts the black smelly method for treating water in river (river) rainy season
In figure: inlet gate a1, cutting dirty gate a2, cut dirty pump a3, rainwater pump b1, diving mixer b2, agitating type diving promotes
Pump b3, goes out sluice gate b4, steams again sluice gate b5, bed mud and impurity separating device c1, medicament slow release container and receptacle fixture
d1。
Detailed description of the invention
Rainfall pumping station of the present invention put rainy season the black smelly method for treating water in river (river) by storm sewer bed mud is washed away, catch-basin
Bed mud disturbance lifting, body refuse separate and the antibacterial reduction of medicament slow release is black smelly processes.Storm sewer bed mud washes away process portion
Divide and include inlet gate a1, cut dirty gate a2, cut dirty pump a3；Catch-basin bed mud disturbance lifting process part includes rainwater pump b1,
Diving mixer b2, agitating type diving elevator pump b3, go out sluice gate b4, steam again sluice gate b5；Body refuse separating treatment part includes
Bed mud and impurity separating device c1, cut dirty pump a3；The black smelly process part of the antibacterial reduction of slow release includes medicament slow release container and container
Fixing device d1.
The black smelly method for treating water of the present invention (evacuated as pre-) before dry season (water pump test run etc. like rain) and/or flood control not to be affected
The period of flood control uses.During process, it is first shut off inlet gate a1, opens and cut dirty gate a2, utilize and cut dirty pump a3 by catch-basin
The supernatant of interior water squeezes into downstream pipe network, until inlet gate a1 exposes more than half.The most quickly open a1 inlet gate,
Liquid level difference is utilized to cause black smelly material (such as suspension Organic substance etc.) to pour in catch-basin bottom storm sewer by accumulating in.Will
Go out sluice gate b4 to close, open withdrawal of currency from circulation sluice gate b5, open rainwater pump b1, opening time 5min～10min, by returning cage water
Mode cause black smelly material to stir by being deposited on bottom catch-basin；After closing rainwater pump b1, simultaneously close off withdrawal of currency from circulation sluice gate
B5, opens out the diving mixer b2 in sluice gate b4 and catch-basin, prevents suspension Organic substance etc. from again precipitating, opens simultaneously
Agitating type diving elevator pump b3, is promoted to the mixed liquor of muddy water Yu impurity bed mud and impurity separating device c1, passes through 0.025mm
～the screening in 3.0mm aperture or after filtering, will reflux by the way of gravity flow less than the muddy water of particle separation diameter and impurity mixed liquor
To cutting in dirty well, a section dirty pump a3 is utilized to squeeze into downstream pipe network.Mixed liquor after separation removed the overwhelming majority may to equipment and
Pipeline causes abrasion and blocking impurity, therefore, not only can be pumped out outside catch-basin by bed mud after separation equipment, but also can protect
There is not abrasion and blockage problem in pillar road and equipment.Then equipment is gone out by other channel separation more than the impurity of particle separation diameter,
Moisture content is reduced by squeezing or dewatering type after collection, straight after making to reach less than 80% more than the impurity moisture content of particle separation diameter
Connect outward transport, process as solid waste rubbish.After the bed mud in storm sewer and catch-basin and magazins' layout, close agitating type
Diving elevator pump b3 and bed mud and impurity screening device c1.Slow-releasing agent is oxidizer containing chlorine, slow-releasing agent is put into aperture little
It is fixed in receptacle fixture d1 after the mesh bag or porous container of 5mm, puts into catch-basin, released by the persistence of medicament
Put, carry out long sterilizing and cut down black smelly effect, prevent from again occurring in catch-basin in the short time black smelly when chlorine residue dense
When degree is less than 0.5mg/L, treated water can put river (river).
Claims (4)
1. rainfall pumping station puts the black smelly method for treating water in river (river) rainy season, it is characterised in that: it is first shut off inlet gate a1, opens and cut
Dirty gate a2, utilizes a section dirty pump a3 supernatant of water in catch-basin to be squeezed into downstream pipe network, until inlet gate a1 exposes one
More than Ban；The most quickly open a1 inlet gate, utilize liquid level difference by accumulate in cause bottom storm sewer black smelly material (as
Suspension Organic substance etc.) pour in catch-basin；Sluice gate b4 will be gone out close, and open withdrawal of currency from circulation sluice gate b5, open rainwater pump b1, open
Open time 5min～10min, cause black smelly material to stir by being deposited on bottom catch-basin by the way of returning cage water；Close
After rainwater pump b1, simultaneously close off withdrawal of currency from circulation sluice gate b5, open out the diving mixer b2 in sluice gate b4 and catch-basin, prevent from hanging
Buoyancy Organic substance etc. precipitates again, opens agitating type diving elevator pump b3 simultaneously, the mixed liquor of muddy water Yu impurity is promoted to the end
Mud and impurity separating device c1, after sieving or filtering, by less than the muddy water of particle separation diameter and the impurity mixed liquor side by gravity flow
Formula is back to cut in dirty well, utilizes a section dirty pump a3 to squeeze into downstream pipe network；Then divided by other passage more than the impurity of particle separation diameter
Separate out equipment, reduce moisture content by squeezing or dewatering type after collection, make to reach 80% more than the impurity moisture content of particle separation diameter
After below, directly outward transport, processes as solid waste rubbish；After the bed mud in storm sewer and catch-basin and magazins' layout, close
Close agitating type diving elevator pump b3 and bed mud and impurity screening device c1；Oxychloride slow-releasing agent will be contained and put into medicament slow release container
After be fixed in receptacle fixture d1, put into catch-basin, discharged by the persistence of medicament, prevent catch-basin in the short time
The most again occur black smelly.
Black smelly method for treating water the most according to claim 1, it is characterised in that: rainfall pumping station can select according to practical situation
Black smelly water is processed after being combined by one of which or several processing method.
Black smelly method for treating water the most according to claim 1, it is characterised in that: bed mud uses with impurity separating device c1
The screening in 0.025mm～3.0mm aperture or drainage screen.
Black smelly method for treating water the most according to claim 1, it is characterised in that: medicament slow release container is that aperture is less than 5mm
Mesh bag or porous container.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708909.1A CN106219813A (en) | 2016-08-24 | 2016-08-24 | Rainfall pumping station puts the black smelly method for treating water in river (river) rainy season |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708909.1A CN106219813A (en) | 2016-08-24 | 2016-08-24 | Rainfall pumping station puts the black smelly method for treating water in river (river) rainy season |
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| CN201610708909.1A Pending CN106219813A (en) | 2016-08-24 | 2016-08-24 | Rainfall pumping station puts the black smelly method for treating water in river (river) rainy season |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930230A (en) * | 2017-02-17 | 2017-07-07 | 上谷环境科技有限公司 | The governing system and method for a kind of tidal black-odor riverway of single-pass |
| CN108560694A (en) * | 2018-03-12 | 2018-09-21 | 上海市城市建设设计研究总院（集团）有限公司 | Rainfall pumping station with test run function |
| CN109235602A (en) * | 2018-09-30 | 2019-01-18 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pipeline deposit automatic clearing apparatus steaming again water pipe by pumping plant |
| CN109235603A (en) * | 2018-09-30 | 2019-01-18 | 上海市政工程设计研究总院（集团）有限公司 | A method of water pipe is steam again by pumping plant and realizes automatic removing pipeline deposit |
| CN109629656A (en) * | 2019-01-04 | 2019-04-16 | 上海市政工程设计研究总院（集团）有限公司 | A method of realizing that municipal drainage pumping plant puts river contamination control using storage pond |
| CN110644606A (en) * | 2019-10-17 | 2020-01-03 | 上海市政工程设计研究总院（集团）有限公司 | Rail type in-situ purification method for drainage pipeline |
| CN110790353A (en) * | 2019-10-17 | 2020-02-14 | 上海市政工程设计研究总院（集团）有限公司 | Slow-release medicament adding system for drainage pipe network and using method thereof |
| CN110818175A (en) * | 2019-10-17 | 2020-02-21 | 上海市政工程设计研究总院（集团）有限公司 | Rail-type in-situ purification system for drainage pipeline |
| CN114934583A (en) * | 2022-06-24 | 2022-08-23 | 张云逢 | Deep flood regulation and storage well beside underground building |
| CN114934584A (en) * | 2022-06-24 | 2022-08-23 | 张云逢 | Roadside deep flood regulation well |
| CN115262737A (en) * | 2022-06-24 | 2022-11-01 | 张云逢 | Deep flood regulation well |
| CN115324185A (en) * | 2022-09-16 | 2022-11-11 | 同济大学 | Drainage pipeline upset weir plate interception washing unit based on siphon suction |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930230A (en) * | 2017-02-17 | 2017-07-07 | 上谷环境科技有限公司 | The governing system and method for a kind of tidal black-odor riverway of single-pass |
| CN108560694A (en) * | 2018-03-12 | 2018-09-21 | 上海市城市建设设计研究总院（集团）有限公司 | Rainfall pumping station with test run function |
| WO2020062879A1 (en) * | 2018-09-30 | 2020-04-02 | 上海市政工程设计研究总院（集团）有限公司 | Device for automatically removing pipeline sediments through withdrawn water pipe of pump station |
| CN109235602A (en) * | 2018-09-30 | 2019-01-18 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pipeline deposit automatic clearing apparatus steaming again water pipe by pumping plant |
| CN109235603A (en) * | 2018-09-30 | 2019-01-18 | 上海市政工程设计研究总院（集团）有限公司 | A method of water pipe is steam again by pumping plant and realizes automatic removing pipeline deposit |
| CN109629656A (en) * | 2019-01-04 | 2019-04-16 | 上海市政工程设计研究总院（集团）有限公司 | A method of realizing that municipal drainage pumping plant puts river contamination control using storage pond |
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| CN110644606A (en) * | 2019-10-17 | 2020-01-03 | 上海市政工程设计研究总院（集团）有限公司 | Rail type in-situ purification method for drainage pipeline |
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| CN114934583A (en) * | 2022-06-24 | 2022-08-23 | 张云逢 | Deep flood regulation and storage well beside underground building |
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| CN115324185A (en) * | 2022-09-16 | 2022-11-11 | 同济大学 | Drainage pipeline upset weir plate interception washing unit based on siphon suction |
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Application publication date: 20161214 |