CN106284613A - Intercepting pollution for rainwater method based on membrane separation technique - Google Patents
Intercepting pollution for rainwater method based on membrane separation technique Download PDFInfo
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- CN106284613A CN106284613A CN201610604296.7A CN201610604296A CN106284613A CN 106284613 A CN106284613 A CN 106284613A CN 201610604296 A CN201610604296 A CN 201610604296A CN 106284613 A CN106284613 A CN 106284613A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a kind of intercepting pollution for rainwater method based on membrane separation technique, comprise the steps: to dam for collecting sewage, the sewage dammed is entered sewage treatment plant；For carrying out overflow to beyond the dam sewage of ability of described Vatch basin, the sewage of overflow enters membrane separation device；Carry out filtering water after formation is filtered to the sewage of overflow by membrane separation device, water after filter is entered water water reservoir after filter；When the water level of water water reservoir is less than described membrane separation device water outlet water level after filter, controls described membrane separation device and water after filter is entered after described filter in water water reservoir.The present invention can be widely applied to municipal drainage, water protection, aquatic ecological restoration etc., carries out the removal of the pollutant such as particulate matter, float, organic matter, heavy metal in water, from the purpose then reaching water protection.
Description
Technical field
The present invention relates to water treatment field, particularly relate to intercepting pollution for rainwater method based on membrane separation technique.
Background technology
As a example by Shenzhen, show according to Shenzhen's environmental aspect publication fourth quarter in 2013, river, Shenzhen " Long Gang river and
Salt pan river matter reaches country's surface water V class standard, and other trunk river middle and lower reaches water quality are inferior to V class standard, mainly pollute
Thing is ammonia nitrogen and total phosphorus.Compared with same period last year, dragon hilllock river matter remains V class；Salt pan river matter is become V class from II class,
Shawan river matter classification is become bad V class from IV class, and water quality is substantially deteriorated；Dasha River water quality is become bad V class from V class, and water quality has
It is deteriorated；Buji river and Xixiang river matter pollution level significantly increase the weight of, and river, Xinzhou pollution level substantially increases the weight of, river, Pingshan and Feitian
River pollution level has increased the weight of；Feng Tang river pollution level substantially alleviates, and river, He Hehuang hilllock, Guanlan pollution level has alleviated；Shenzhen
River, Mao Zhouhe and mother's Wang river matter kept stable ".
Rainfall is carried substantial amounts of pollutant and is flowed into river, is formed and significantly pollutes black Huang and champac demarcation line；The sea of rainwater
The pollution in ocean, causes dolphin dead.Therefore, how Control the Plan Pollution Sources, is the basic of protection water quality of river.
Ministry of Water Resources's " water development planning (2,011 2015 years) " points out that investment on water conservancy 1.8 trillion is mainly used in flood
Disaster, drought and water shortage, farmland waterpower and countryside potable water security, wherein flood control and pipe-networks engineering infrastructure investment will be more than 1,000,000,000,000.Ring
Border protection portion " national environmental protection " 12 " planning " proposes, and water pollution control invests 436,000,000,000 yuan, wherein pipe network investment
320000000000 yuan.Housing construction portion " whole nation urban water supply transformation of facility with build " 12 " planning and the year two thousand twenty long-range objectives
Notice " propose, urban water supply gross investment 410,000,000,000 yuan, wherein pipe network investment 267,800,000,000.Three ministries and commissions water utilities during 12
Gross investment reaches 2.65 trillion.It addition, " the water prevention and cure of pollution action plan " of 2014, on the basis of proposing to plan 12,
Being further added by investment and reach 2,000,000,000,000, the most total water affairs investment will reach 4.65 trillion.
Water environment treatment is the weakness of China environmental protection, has put into nearly 30,000,000,000 yuan as administered Dian Chi, but quality of water environment
Do not improve.Therefore, a kind of novel facility of invention, for Control the Plan Pollution Sources, to reach to protect the purpose of water body.
Vatch basin is in the hinge position of whole interceptive combined system drainage system, is the crucial structures of whole system.
The selection of Vatch basin form and in-built the most reasonable, for the dam impact of effect and overflow capability of closure works system be
Hold the balance.The Vatch basin that domestic and international application is more at present includes that saltatory Vatch basin, the slot type Vatch basin that dams, side weir formula are cut
Stream well, eddy flow valve Vatch basin etc., in general, Vatch basin and modified model thereof have tended to ripe in technology with application, take
Obtained ideal effect of damming, but be all the effect only focused in terms of waterpower and have ignored sewage in dry season and heavy rain initial stage rain
The severe contamination that water brings to receiving water body.External correlational study has been carried out, and also has the report of Related product, such as the U.S.
The product J elleyfish Filter etc. of Imbrium Systems company exploitation, but still be in the junior stage.At present, at home
Research and development with the Novel flow-stopping well of dirt-removing functions yet there are no relevant report.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of intercepting pollution for rainwater based on membrane separation technique dress
Put.
The invention provides a kind of intercepting pollution for rainwater device based on membrane separation technique, including:
Vatch basin: be used for collecting sewage and dam, the sewage dammed is entered sewage treatment plant or river course；
Overflow mechanism: for carrying out overflow to beyond the dam sewage of ability of described Vatch basin, the sewage of overflow enters film
Segregation apparatus；
Membrane separation device: for the sewage of overflow being carried out water after filtration forms filter；
Water water reservoir after filter: water after storing the filter that described membrane separation device is discharged；
Water controller after filter: when the water level of water water reservoir is less than described membrane separation device water outlet water level after filter, controls
Water after filter is entered after described filter in water water reservoir by described membrane separation device；When after filter, the water level of water water reservoir divides higher than described film
When device water outlet water level, control described membrane separation device and water after filter is entered in natural water body；
Back purge system: for the water in water water reservoir after described filter reversely being flow to described membrane separation device, to described
Membrane separation device carries out backwash.
As a further improvement on the present invention, this intercepting pollution for rainwater device also includes:
Dam mud mud discharging device: for the mud dammed by described Vatch basin and carries out described membrane separation device instead
Rinse the mud collection concentration obtained and be transported to garbage disposal plant or other places.
As a further improvement on the present invention, this intercepting pollution for rainwater device also includes:
Water reservoir drainage arrangement: for the water in water water reservoir after described filter is entered in natural water body.
As a further improvement on the present invention, described overflow mechanism includes downflow weir, overflow pipe, overflow launder, flow-limiting valve.
As a further improvement on the present invention, during described membrane separation device uses ultrafiltration, nanofiltration, reverse osmosis, microfiltration
Planting and filter, the membrane material in described membrane separation device includes organic membrane, inoranic membrane, ceramic membrane, polymeric membrane, multilayer film.
As a further improvement on the present invention, this intercepting pollution for rainwater device also includes overflow sewage storage cell, and described overflow is dirty
Water storage cell is for storing the sewage of ability of damming beyond described Vatch basin, and described membrane separation device is positioned at described overflow sewage and deposits
In reservoir.
As a further improvement on the present invention, described Vatch basin is provided with inspection socket, and described inspection socket is used for checking, clearing up rubbish
Rubbish and maintenance Vatch basin.
Present invention also offers a kind of intercepting pollution for rainwater method based on membrane separation technique, comprise the steps:
Dam step: be used for collecting sewage and dam, the sewage dammed is entered sewage treatment plant or river course；
Bleed steps: for carrying out overflow to beyond the dam sewage of ability of described Vatch basin, the sewage of overflow enters film
Segregation apparatus；
Filtration step: carry out filtering water after formation is filtered to the sewage of overflow by membrane separation device, water after filter is entered filter
Rear water water reservoir；
Rate-determining steps: when the water level of water water reservoir is less than described membrane separation device water outlet water level after filter, control described film
Water after filter is entered after described filter in water water reservoir by segregation apparatus；When after filter, the water level of water water reservoir is higher than described membrane separation device
During water outlet water level, control described membrane separation device and water after filter is entered in natural water body；
Backwash step: for the water in water water reservoir after described filter reversely being flow to described membrane separation device, to described
Membrane separation device carries out backwash.
As a further improvement on the present invention, this intercepting pollution for rainwater method also includes: mud that described Vatch basin is dammed and
Described membrane separation device carries out the mud that backwash obtains collect concentration and be transported to garbage disposal plant or other places.
As a further improvement on the present invention, during described membrane separation device uses ultrafiltration, nanofiltration, reverse osmosis, microfiltration
Planting and filter, the membrane material in described membrane separation device includes organic membrane, inoranic membrane, ceramic membrane, polymeric membrane, multilayer film.
The invention has the beneficial effects as follows: the intercepting pollution for rainwater device and method based on membrane separation technique of the present invention can be effective
The pollution of area source that the combined sewage of removal storm period or stormwater overflow bring, protection water body is as clear as crystal, reduces dirt to greatest extent
Dye；And the present invention can be widely applied to municipal drainage, water protection, aquatic ecological restoration etc., carries out particulate matter, suspension in water
The removal of the pollutant such as thing, organic matter, heavy metal, from the purpose then reaching water protection.
Accompanying drawing explanation
Fig. 1 is the intercepting pollution for rainwater principle of device block diagram of the present invention.
Fig. 2 is the schematic diagram of one embodiment of intercepting pollution for rainwater device of the present invention.
Fig. 3 is the schematic diagram of intercepting pollution for rainwater another embodiment of device of the present invention.
Detailed description of the invention
As it is shown in figure 1, the invention discloses a kind of intercepting pollution for rainwater device based on membrane separation technique, including:
Vatch basin: be used for collecting sewage and dam, the sewage dammed is entered sewage treatment plant or river course；
Overflow mechanism: for carrying out overflow to beyond the dam sewage of ability of described Vatch basin, the sewage of overflow enters film
Segregation apparatus；
Membrane separation device: for the sewage of overflow being carried out water after filtration forms filter；
Water water reservoir after filter: water after storing the filter that described membrane separation device is discharged；
Water controller after filter: when the water level of water water reservoir is less than described membrane separation device water outlet water level after filter, controls
Water after filter is entered after described filter in water water reservoir by described membrane separation device；When after filter, the water level of water water reservoir divides higher than described film
When device water outlet water level, control described membrane separation device and water after filter is entered in natural water body；
Back purge system: for the water in water water reservoir after described filter reversely being flow to described membrane separation device, to described
Membrane separation device carries out backwash.
This intercepting pollution for rainwater device also includes the mud mud discharging device that dams, and the mud mud discharging device that dams is for by described Vatch basin
The mud that dams and described membrane separation device is carried out the mud that backwash obtains concentrate be transported to garbage disposal plant or other
Institute.
This intercepting pollution for rainwater device also includes water reservoir drainage arrangement, and this water reservoir drainage arrangement is for storing water after described filter
Water in pond enters in natural water body.
Described overflow mechanism includes downflow weir, overflow pipe, overflow launder, flow-limiting valve.
Described membrane separation device uses the one in ultrafiltration, nanofiltration, reverse osmosis, microfiltration to filter, and described membrance separation fills
Membrane material in putting includes organic membrane, inoranic membrane, ceramic membrane, polymeric membrane, multilayer film.
This intercepting pollution for rainwater device also includes overflow sewage storage cell, and described overflow sewage storage cell exceeds described for storage
Vatch basin dams the sewage of ability, and described membrane separation device is positioned at described overflow sewage storage cell.
Described Vatch basin is provided with inspection socket, and described inspection socket is used for checking, clearing up rubbish and maintenance Vatch basin.
The invention also discloses a kind of intercepting pollution for rainwater method based on membrane separation technique, comprise the steps:
Dam step: be used for collecting sewage and dam, the sewage dammed is entered sewage treatment plant or river course.
Bleed steps: for carrying out overflow to beyond the dam sewage of ability of described Vatch basin, the sewage of overflow enters film
Segregation apparatus；
Filtration step: carry out filtering water after formation is filtered to the sewage of overflow by membrane separation device, water after filter is entered filter
Rear water water reservoir；
Rate-determining steps: when the water level of water water reservoir is less than described membrane separation device water outlet water level after filter, control described film
Water after filter is entered after described filter in water water reservoir by segregation apparatus；When after filter, the water level of water water reservoir is higher than described membrane separation device
During water outlet water level, control described membrane separation device and water after filter is entered in natural water body；
Backwash step: for the water in water water reservoir after described filter reversely being flow to described membrane separation device, to described
Membrane separation device carries out backwash.
This intercepting pollution for rainwater method also includes: the mud that dammed by described Vatch basin and carrying out described membrane separation device instead
Rinse the mud concentration obtained and be transported to garbage disposal plant or other place factories.
Described membrane separation device uses the one in ultrafiltration, nanofiltration, reverse osmosis, microfiltration to filter, and described membrance separation fills
Membrane material in putting includes organic membrane, inoranic membrane, ceramic membrane, polymeric membrane, multilayer film.
Sewage in the present invention includes combined sewage and rainwater, and in the present invention, natural water body includes river, lake, water
Water body in storehouse, ocean.
Membrane separation device includes water inlet and outlet, and membrane separation device can be integral type, combination type, on-the-spot construction formula
Deng various forms.Membrane separation device can be metal, plastics, concrete, reinforced concrete, masonry etc..
After filter, water water reservoir can be the various water storage facilities such as underground type, closed, open type or Underground pipeline type, filter
Rear water water reservoir has independent Inlet and outlet water passage.
After filter, the water in water water reservoir enters natural water body after can being directly discharged into natural water body, or sterilization.
After filter, the water in water water reservoir can enter sewage conduct, delivers to sewage treatment plant.
After filter, water water reservoir provides backwash water for membrane separation device；Water water reservoir back washing strength, Ke Yigu after filter
Fixed, it is also possible to change, it is also possible to determine according to membrane material and facility；Water water reservoir backwashing time after filter, can fix, it is possible to
With change, it is also possible to determine according to membrane material and facility；Water water reservoir backwash head after filter, can fix, it is also possible to change,
Can also determine according to membrane material and facility；Water water reservoir backwash mode after filter, can fix, it is also possible to change, it is also possible to
Determine according to membrane material and facility.
Retaining mud is from membrance separation facility, it is also possible to water spoil disposal after filter；Retain mud can enter after the rain
Sewage network, retain mud can regular labor cleaning, retaining mud can be with regeneration.Retain sludge system and can have monitoring
System, retaining sludge system can have automatic control system, and retaining sludge system can have water level control system, retains mud system
System can have deodoration system, and retaining sludge system can have anti-people and animals' arrest systems.
The Vatch basin of the present invention can increase retain efficiency by adding flocculant.The intercepting pollution for rainwater device of the present invention is permissible
Increase air supporting aerating system, cyclone separator, vacuum suction apparatus.
After heavy rain, after filter, the water of water water reservoir reversely flow to membrane separation device, carries out membrane separation device backwash.
Water water reservoir after filter, arranges water level awareness apparatus, for perception SEA LEVEL VARIATION.
In film filter, current and water level awareness apparatus are set, change for the perception water yield (or rainfall).
At Vatch basin, current awareness apparatus is set, changes for the perception water yield.
At membrane separation device, sludge lifting pump is set, dams mud to sewage treatment plant for lifting.Or at membrance separation
At device, mud holding pond is set, retains mud for storage, and periodically removing retains mud.
After drainage at water reservoir, by water lev el control, carry out automatic backwash after heavy rain, it is also possible to lifting is set
Pumping plant, for carrying out backwash to membrane separation device.
At membrane separation device, control centre is set, is used for controlling automation technolo and runs.
As in figure 2 it is shown, as one embodiment of the present of invention, in fig. 2, A represents combined sewage or rainwater water, B table
Showing combined sewage or rainwater water inlet pipe, C represents the combined sewage dammed or early-stage rainwater drain pipe, to sewage treatment plant；D represents
Downflow weir, designs according to the interception ratio of Vatch basin；E represents check valve or flap valve, for back flushing draining, does not allow interflow dirt
Water enters overflow sewage storage cell；F represents overflow sewage storage cell, after G represents that membrane separation device, H represent that water enters filter after filter
Water water reservoir, I represents water water reservoir after filter, and J represents the drain pipe of water water reservoir after filter, and after K represents filter, water is emitted into water nearby
Body, L represents Vatch basin inspection socket, is used for checking, clearing up rubbish and maintenance Vatch basin；M represents water backwashing backwater after filter, N table
Show that backwashing water gets off the wash dirt on membrane separation device；P represents sewage and back flushing Sewage outlet after filter, is unidirectional
Valve type structure.
As it is shown on figure 3, as an alternative embodiment of the invention, in figure 3, A represents combined sewage or rainwater water, B
Representing combined sewage or rainwater water inlet pipe, C represents the combined sewage dammed or early-stage rainwater drain pipe, to sewage treatment plant；D table
Show downflow weir, design according to the interception ratio of Vatch basin；E represents check valve or flap valve, for back flushing draining, does not allow interflow
Sewage enters overflow sewage storage cell；F represents overflow sewage storage cell, and G represents that membrane separation device, H represent water entrance filter after filter
Rear water water reservoir, I represents water water reservoir after filter, and J represents the drain pipe of water water reservoir after filter, and after K represents filter, water is emitted into nearby
Water body, L represents Vatch basin inspection socket, is used for checking, clearing up rubbish and maintenance Vatch basin；M represents water backwashing backwater after filter, N
Represent that backwashing water gets off the wash dirt on membrane separation device；O represents sewage pump, when back flushing, sewage
Discharge；P represents sewage and back flushing Sewage outlet after filter, is check valve-type structure；Q represents sewage pump suction hose, from overflow
Sewage storage cell is fetched water；R represents sewage pump outlet pipe, and filter sludge and backwashing water are entered sewage treatment plant.
The interflow that the intercepting pollution for rainwater device and method based on membrane separation technique of the present invention can effectively remove storm period is dirty
The pollution of area source that water or stormwater overflow bring, protection water body is as clear as crystal, reduces pollution to greatest extent；And the present invention can be wide
General it is applied to municipal drainage, water protection, aquatic ecological restoration etc., carries out particulate matter, float, organic matter, heavy metal etc. in water
The removal of pollutant, from the purpose then reaching water protection.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. an intercepting pollution for rainwater method based on membrane separation technique, it is characterised in that comprise the steps:
Dam step: be used for collecting sewage and dam, the sewage dammed is entered sewage treatment plant；
Bleed steps: for carrying out overflow to beyond the dam sewage of ability of described Vatch basin, the sewage of overflow enters membrance separation
Device；
Filtration step: carry out filtering water after formation is filtered to the sewage of overflow by membrane separation device, water after filter is entered water after filter
Water reservoir；
Rate-determining steps: when the water level of water water reservoir is less than described membrane separation device water outlet water level after filter, control described membrance separation
Water after filter is entered after described filter in water water reservoir by device；When after filter, the water level of water water reservoir is higher than described membrane separation device water outlet
During water level, control described membrane separation device and water after filter is entered in natural water body.
Intercepting pollution for rainwater method the most according to claim 1, it is characterised in that narrate intercepting pollution for rainwater method and also include: by institute
State the mud that Vatch basin dams.
Intercepting pollution for rainwater method the most according to claim 1, it is characterised in that described membrane separation device carries out backwash and obtains
Mud enter sewage treatment plant.
Intercepting pollution for rainwater method the most according to claim 1, it is characterised in that described membrane separation device use ultrafiltration, nanofiltration,
One in reverse osmosis, microfiltration filters.
Intercepting pollution for rainwater method the most according to claim 4, it is characterised in that the membrane material in described membrane separation device includes
Organic membrane.
Intercepting pollution for rainwater method the most according to claim 4, it is characterised in that the membrane material in described membrane separation device includes
There is inoranic membrane.
Intercepting pollution for rainwater method the most according to claim 4, it is characterised in that the membrane material in described membrane separation device includes
There is ceramic membrane.
Intercepting pollution for rainwater method the most according to claim 4, it is characterised in that the membrane material in described membrane separation device includes
There is polymeric membrane.
Intercepting pollution for rainwater method the most according to claim 4, it is characterised in that the membrane material in described membrane separation device includes
There is multilayer film.
Intercepting pollution for rainwater method the most according to claim 1, it is characterised in that also include backwash step: for by described
After filter, the water in water water reservoir reversely flow to described membrane separation device, and described membrane separation device is carried out backwash.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604296.7A CN106284613A (en) | 2016-07-28 | 2016-07-28 | Intercepting pollution for rainwater method based on membrane separation technique |
| PCT/CN2016/094079 WO2018018657A1 (en) | 2016-07-28 | 2016-08-09 | Rainwater sewage interception method based on membrane separation technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604296.7A CN106284613A (en) | 2016-07-28 | 2016-07-28 | Intercepting pollution for rainwater method based on membrane separation technique |
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| CN106284613A true CN106284613A (en) | 2017-01-04 |
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| CN201610604296.7A Pending CN106284613A (en) | 2016-07-28 | 2016-07-28 | Intercepting pollution for rainwater method based on membrane separation technique |
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| WO (1) | WO2018018657A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107653959A (en) * | 2017-10-26 | 2018-02-02 | 杨晓艳 | A kind of discharge method of tidal waters sewage |
| CN109853713B (en) * | 2019-02-03 | 2024-03-19 | 苏州大学 | Intercepting well and intercepting flow control method thereof |
| CN111487916A (en) * | 2020-03-27 | 2020-08-04 | 上海新三星给排水设备有限公司 | Intelligent intercepting well backflow prevention gate valve control system and method |
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| CN101892702A (en) * | 2010-08-05 | 2010-11-24 | 上海交通大学 | Onsite processing device for discarding initial rainwater in heavy rain without occupying area and processing method thereof |
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