CN109098257A - Sponge Urban Underground Water Spreading and reclaiming system - Google Patents
Sponge Urban Underground Water Spreading and reclaiming system Download PDFInfo
- Publication number
- CN109098257A CN109098257A CN201811188388.7A CN201811188388A CN109098257A CN 109098257 A CN109098257 A CN 109098257A CN 201811188388 A CN201811188388 A CN 201811188388A CN 109098257 A CN109098257 A CN 109098257A
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- Prior art keywords
- pipeline
- water
- recharge
- reuse
- sponge urban
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 239000000645 desinfectant Substances 0.000 claims abstract description 10
- 230000000717 retained effect Effects 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 27
- 239000000523 sample Substances 0.000 claims description 17
- 239000010802 sludge Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 10
- 230000008595 infiltration Effects 0.000 abstract description 8
- 238000001764 infiltration Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention provides a kind of sponge Urban Underground Water Spreading and reclaiming systems, comprising: inverted well；Rainfall regulative pool, entrance are connected to by pipeline of fetching water with rainwater is retained, and the outlet of rainfall regulative pool is connect by recharge pipeline with inverted well；Reuse immersible pump is arranged in inverted well, and the outlet of reuse immersible pump is connected with the reuse pipeline being connected with the external world；Disinfectant component is filtered, setting is on water intaking pipeline and/or recharge pipeline.The beneficial effects of the invention are as follows, the embodiment of the present invention saves land occupation, rain infiltration is high-efficient, the parameters such as system water quality, water level, hydraulic pressure can be monitored online, guarantee that underground reservoir is not contaminated and destroys, water outlet can be used for carwash, landscape planting, road are poured and spilt, and the laundry of country residents is flushed the toilet, and have good environmental benefit and economic benefit.
Description
Technical field
The present invention relates to the rainwater utilization facilities in sponge urban construction, and in particular to a kind of sponge Urban Underground Water Spreading
And reclaiming system.
Background technique
In recent years, country advocates the construction in " sponge city " energetically.Sponge city refer to city can as sponge,
Adapting to environmental change and reply natural calamity etc. has good " elasticity ", and water suction, water storage, infiltration, water purification when raining need
It by the water stored " release " and is used when wanting.Urban waterlogging can be effectively relieved in sponge city, prevent level of ground water decline etc.
Harm.
In sponge urban construction, usually store rainwater by facilities such as porous pavement, the infiltration pool, the wet pool, Rain-fed wetlands
With lower infiltration, but aquiclude is covered because facility is not cut through, thus it is bad to infiltrate effect, and occupied area is larger, evaporation loss is big.
Ground rainwater can be introduced underground reservoir by seepage well, but it is complicated to construct, at high cost, be unable to control to Rainwater Quality is infiltrated, only
The function of recharge groundwater and without reuse measure, cannot directly generate economic benefit.
Summary of the invention
The present invention provides a kind of sponge Urban Underground Water Spreading and reclaiming systems, are accounted for solving existing sponge urban facilities
Ground area is big, infiltrates low efficiency, and infiltration water quality is uncontrollable, can not direct reuse the shortcomings that.
The technical solution adopted by the present invention to solve the technical problems is: a kind of sponge Urban Underground Water Spreading and reuse system
System, comprising: inverted well；Rainfall regulative pool, entrance are connected to by pipeline of fetching water with rainwater is retained, and the outlet of rainfall regulative pool passes through
Recharge pipeline is connect with inverted well；Reuse immersible pump is arranged in inverted well, and the outlet of reuse immersible pump is connected with and extraneous phase
Reuse pipeline even；Disinfectant component is filtered, setting is on water intaking pipeline and/or recharge pipeline.
Further, filtering disinfectant component is arranged on recharge pipeline, and sponge Urban Underground Water Spreading and reclaiming system are also
Including water quality monitoring component, water quality monitoring component is arranged on intake pipe road and can monitor the water quality in water intaking pipeline.
Further, intake pipe road further includes the water intaking valve for controlling water intaking pipeline opening and closing.
Further, filtering disinfectant component includes the water filter being successively set on recharge pipeline, and first ultraviolet disappears
Malicious device and the first monitoring water quality on line probe tube.
Further, recharge valve and first pressure gauge, recharge valve and the first pressure are also disposed on recharge pipeline
Power epitope is between the first monitoring water quality on line probe tube and the outlet of recharge pipeline.
Further, recharge floating drum pump is provided in rainfall regulative pool, entrance and recharge the floating drum pump of recharge pipeline connect.
Further, second pressure gauge, the second monitoring water quality on line probe tube and second are disposed on reuse pipeline
Ultraviolet sterilizer.
Further, reuse valve is additionally provided on reuse pipeline, setting exists in the second ultraviolet sterilizer and the second water quality
Line monitors between probe tube.
Further, sludge pipe is connected on reuse pipeline, the entrance setting of sludge pipe takes in the second monitoring water quality on line
Between sample pipe and reuse valve, mud valve is provided on sludge pipe.
Further, reuse immersible pump is in inverted well below the outlet of recharge pipeline.
The invention has the advantages that the embodiment of the present invention save land occupation, rain infiltration is high-efficient, system water quality, water level,
The on-line monitoring of the parameters such as hydraulic pressure, guarantee underground reservoir not by accidental pollution and destruction, water outlet can be used for carwash, landscape planting,
Road, which pours, to be spilt, and the laundry of country residents is flushed the toilet, and has good environmental benefit and economic benefit.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Appended drawing reference in figure: 1, inverted well；2, rainfall regulative pool；3, water quality on-line monitoring instrument；4, water intaking valve；5, recharge
Floating drum pump；6, water filter；7, the first ultraviolet sterilizer；8, the first monitoring water quality on line probe tube；9, recharge valve；10,
First pressure gauge；11, bottom valve；12, reuse immersible pump；13, second pressure gauge；14, the second monitoring water quality on line probe tube；15,
Mud valve；16, reuse valve；17, the second ultraviolet sterilizer；18, programmable logic controller (PLC) cabinet.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the embodiment of the invention provides a kind of sponge Urban Underground Water Spreading and reclaiming system, including recharge
Well 1, rainfall regulative pool 2, reuse immersible pump 12 and filtering disinfectant component.The entrance of rainfall regulative pool 2 passes through water intaking pipeline and blocks
Rainwater connection is stored, the outlet of rainfall regulative pool 2 is connect by recharge pipeline with inverted well 1；Reuse immersible pump 12 is arranged in recharge
In well 1, the outlet of reuse immersible pump 12 is connected with the reuse pipeline being connected with the external world, and reuse immersible pump 12 is in inverted well 1
In be located at recharge tube outlet below water-bearing layer in, to guarantee the rainwater in inverted well 1 being pumped into reuse pipeline.Filtering
Disinfectant component, setting is on water intaking pipeline and/or recharge pipeline.
The embodiment of the present invention saves land occupation, and rain infiltration is high-efficient, and the parameters such as system water quality can be monitored online, and guarantees ground
Lower water-bearing layer is not contaminated and destroys, and water outlet can be used for carwash, landscape planting, road are poured and spilt, and the laundry of country residents is flushed the toilet,
With good environmental benefit and economic benefit.
It should be noted that inverted well 1 is built in non-pressure rock water-bearing layer or pressure-bearing sand, gravel water-bearing layer.It is such to contain
Water layer water penetration is good, is conducive to keep water in well to circulate and water stabilization.Rainfall regulative pool 2 is in rainy season for storing
Excessive rainwater from city water catchment area can be used for storing the reuse rainwater extracted from inverted well 1 in dry season.In inverted well 1
Rainwater injection mode can using pump injection mode or gravity injection mode, inverted well 1 seal, the well lid of inverted well is answered
Higher than periphery greenery patches 500mm or more.
It filters disinfectant component to be arranged on recharge pipeline, sponge Urban Underground Water Spreading and reclaiming system further include water quality prison
Component is surveyed, water quality monitoring component is arranged on intake pipe road and can monitor the water quality in water intaking pipeline.
Wherein, water quality monitoring component is water quality on-line monitoring instrument 3, can be monitored to the water quality of water intaking pipeline.In water
Water intaking valve 4 is provided at 3 downstream of matter on-line computing model, which can control water intaking pipeline opening and closing.
Filtering disinfectant component includes the water filter 6 being successively set on recharge pipeline, the first ultraviolet sterilizer 7 and the
One monitoring water quality on line probe tube 8.
The water in recharge pipeline can be filtered and be sterilized by setting filtering disinfectant component, and will be after filtering disinfection
Water store into inverted well 1.Above-mentioned rainfall regulative pool 2 is provided with recharge floating drum pump 5 in the embodiment of the present invention, recharge pipeline
Entrance is connect with recharge floating drum pump 5.Recharge floating drum pump 5, which is arranged, can be pumped into the rainwater in rainfall regulative pool 2 in recharge pipeline,
And it is introduced into inverted well 1 by recharge pipeline.(it is located at one end in inverted well 1) setting at the outlet end of recharge pipeline
There is bottom valve 11.There are multiple water inlets and reinforcing rib on bottom valve 11, prevent impurity from blocking pipeline, guarantee is drawn water unimpeded；It limits simultaneously
Water flow one-way flow guarantees water pump quick start, saves water energy loss.
Rainwater for recharge underground water should be detained facility processing by artificial swamp or biology, before injecting inverted well 1
It is handled by water filter 6 and the first ultraviolet sterilizer 7.
Preferably, recharge valve 9 and first pressure gauge 10, recharge valve 9 and first are also disposed on recharge pipeline
Pressure gauge 10 is between the first monitoring water quality on line probe tube 8 and the outlet of recharge pipeline.
First pressure gauge 10, which is arranged, can be monitored the pressure in recharge pipeline, and setting recharge valve 9 can control
The opening and closing of recharge pipeline.
As shown in Figure 1, be disposed on reuse pipeline second pressure gauge 13, the second monitoring water quality on line probe tube 14,
Reuse valve 16 and the second ultraviolet sterilizer 17.The effect and effect of the structure with corresponding component on recharge pipeline of above-mentioned component
It is identical with structure, it is no longer repeated herein.
Preferably, sludge pipe is connected on reuse pipeline, the entrance setting of sludge pipe is sampled in the second monitoring water quality on line
Mud valve 15 is provided between pipe 14 and reuse valve 16, on sludge pipe.Setting sludge pipe can periodically exclude reuse pipeline
In precipitated impurities enter sludge storage pool or artificial swamp.
As shown in Figure 1, the embodiment of the invention also includes programmable logic controller (PLC) cabinet 18, the programmable logic controller (PLC) cabinet
18 electrical connection water quality on-line monitoring instruments 3, water intaking valve 4, recharge floating drum pump the 5, first monitoring water quality on line probe tube 8, recharge valve
Door 9, first pressure gauge 10, reuse immersible pump 12, second pressure gauge 13, the second monitoring water quality on line probe tube 14, mud valve
15 and reuse valve 16, programmable logic controller (PLC) cabinet 18 can control above-mentioned component and work.
Further, it the embodiment of the invention also includes water level, water temperature, hydraulic pressure, electric conductivity, turbidity, pH value, dissolved oxygen and waves
The hair property sensors such as organic matter, above-mentioned programmable logic controller (PLC) cabinet 18 can be electrically connected water level, water temperature, hydraulic pressure, electric conductivity, turbid
The sensors such as degree, pH value, dissolved oxygen and volatile organic matter, and can correspond to and close back when the sensor abnormal parameters
Fill floating drum pump 5.
The practical application of the embodiment of the present invention is as follows:
When rainy season, rainwater is retained through water intaking pipeline and is delivered to rainfall regulative pool 2, by 5 injection of recharge floating drum pump after regulating and storing
In inverted well 1.Rainwater will be handled before injecting inverted well 1 by water filter 6 and the first ultraviolet sterilizer 7, it is ensured that injection rain
Water will not pollute underground reservoir.
When dry season, reuse immersible pump 12 draws water from underground reservoir deep layer, is used for after the processing of the second ultraviolet sterilizer 17
Carwash, landscape planting, road, which pour, to be spilt, and the laundry of country residents is flushed the toilet.Rainfall regulative pool 2 can be used for storing from inverted well 1
The reuse rainwater of extraction.Sludge pipe is set in the low spot of reuse pipeline, the silt in reuse pipeline can be drained into sludge storage pool
Or artificial swamp.
It should be noted that 12 lift of reuse immersible pump can determine according to the following formula in the present invention embodiment:Hp is pump head, m；R is pump working revolving speed, r/min；r0For water pump rated speed, r/
min；HbLift when for separate unit pump capacity being zero, m；S is water pump frictional resistance；Q is separate unit pump capacity, m3/s；N is 1.852.
Rainfall regulative pool 2 is not limited to described above in the embodiment of the present invention, such as can employment when there is soil that can utilize
Work wetland replaces rainfall regulative pool 2.Artificial swamp can not only regulate and store to rainwater, but also the purification that can use biology is made
Water treatment is carried out with to recharge rainwater.In addition, artificial swamp can play dilute when light contamination occurs in recharge Rainwater Quality
Effect is released, the load of subsequent processing is mitigated.
It, should be floating instead of recharge using gravity recharge injection when the present invention is used for the decentralized processing of arid area country residents
Cylinder pump 5 pressure injection, it is ensured that pressure is consistently lower than ground in water-bearing layer.And the embodiment of the present invention separate should be invaded vulnerable to flood
It is built on the soil attacked, and avoids planting not deciduous plant using herbicide and insecticide, preventing mosquito in the basin of surrounding
It is bred in rainfall regulative pool 2 with other pests.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements: the present invention is real
It applies example and saves land occupation, rain infiltration is high-efficient, and the on-line monitoring of the parameters such as system water quality, water level, hydraulic pressure guarantees underground reservoir not
By accidental pollution and destruction, water outlet can be used for carwash, landscape planting, road are poured and spilt, and the laundry of country residents is flushed the toilet, and is had good
Good environmental benefit and economic benefit.
The above, only specific embodiments of the present invention cannot limit the range that invention is implemented with it, so it is equivalent
The displacement of component, or according to equivalent variations made by the invention patent protection scope and modification, should all still fall within what this patent was covered
Scope.In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical solution, technical solution with
Use can be freely combined between technical solution.
Claims (10)
1. a kind of sponge Urban Underground Water Spreading and reclaiming system characterized by comprising
Inverted well (1)；
Rainfall regulative pool (2), entrance are connected to by pipeline of fetching water with rainwater is retained, and the outlet of rainfall regulative pool (2) passes through recharge
Pipeline is connect with inverted well (1)；
Reuse immersible pump (12) is arranged in inverted well (1), and the outlet of reuse immersible pump (12) is connected with time being connected with the external world
Use pipeline；
Disinfectant component is filtered, is arranged on the water intaking pipeline and/or the recharge pipeline.
2. sponge Urban Underground Water Spreading according to claim 1 and reclaiming system, which is characterized in that the filtering disinfection
Component is arranged on the recharge pipeline, and the sponge Urban Underground Water Spreading and reclaiming system further include water quality monitoring component,
The water quality monitoring component is arranged on the intake pipe road and can monitor the water quality in the water intaking pipeline.
3. sponge Urban Underground Water Spreading according to claim 2 and reclaiming system, which is characterized in that the water intaking pipeline
On further include for control it is described water intaking pipeline opening and closing water intaking valve (4).
4. sponge Urban Underground Water Spreading according to claim 2 and reclaiming system, which is characterized in that the filtering disinfection
Component includes the water filter (6) being successively set on the recharge pipeline, and the first ultraviolet sterilizer (7) and the first water quality exist
Line monitors probe tube (8).
5. sponge Urban Underground Water Spreading according to claim 4 and reclaiming system, which is characterized in that the recharge pipeline
On be also disposed with recharge valve (9) and first pressure gauge (10), recharge valve (9) and first pressure gauge (10) are located at first
Between monitoring water quality on line probe tube (8) and the outlet of the recharge pipeline.
6. sponge Urban Underground Water Spreading according to claim 1 and reclaiming system, which is characterized in that rainfall regulative pool
(2) recharge floating drum pump (5) is provided in, the entrance of the recharge pipeline is connect with recharge floating drum pump (5).
7. sponge Urban Underground Water Spreading according to claim 1 and reclaiming system, which is characterized in that the reuse pipeline
On be disposed with second pressure gauge (13), the second monitoring water quality on line probe tube (14) and the second ultraviolet sterilizer (17).
8. sponge Urban Underground Water Spreading according to claim 7 and reclaiming system, which is characterized in that the reuse pipeline
On be additionally provided with reuse valve (16), reuse valve (16) be arranged in the second ultraviolet sterilizer (17) and the second monitoring water quality on line
Between probe tube (14).
9. sponge Urban Underground Water Spreading according to claim 8 and reclaiming system, which is characterized in that the reuse pipeline
On be connected with sludge pipe, the entrance of the sludge pipe is arranged in the second monitoring water quality on line probe tube (14) and reuse valve (16)
Between, mud valve (15) are provided on the sludge pipe.
10. sponge Urban Underground Water Spreading according to claim 1 and reclaiming system, which is characterized in that reuse immersible pump
(12) it is located in inverted well (1) in the water-bearing layer below the recharge tube outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188388.7A CN109098257A (en) | 2018-10-12 | 2018-10-12 | Sponge Urban Underground Water Spreading and reclaiming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188388.7A CN109098257A (en) | 2018-10-12 | 2018-10-12 | Sponge Urban Underground Water Spreading and reclaiming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109098257A true CN109098257A (en) | 2018-12-28 |
Family
ID=64868660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811188388.7A Withdrawn CN109098257A (en) | 2018-10-12 | 2018-10-12 | Sponge Urban Underground Water Spreading and reclaiming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109098257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359521A (en) * | 2019-07-08 | 2019-10-22 | 重庆泓源渗滤取水科技有限公司 | It is close to the water quality and quantity regulating system and method in river and riverbed radiating aperture water intaking technique |
-
2018
- 2018-10-12 CN CN201811188388.7A patent/CN109098257A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359521A (en) * | 2019-07-08 | 2019-10-22 | 重庆泓源渗滤取水科技有限公司 | It is close to the water quality and quantity regulating system and method in river and riverbed radiating aperture water intaking technique |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181228 |
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| WW01 | Invention patent application withdrawn after publication |