CN111677080A - Rainwater purification system - Google Patents
Rainwater purification system Download PDFInfo
- Publication number
- CN111677080A CN111677080A CN202010553532.3A CN202010553532A CN111677080A CN 111677080 A CN111677080 A CN 111677080A CN 202010553532 A CN202010553532 A CN 202010553532A CN 111677080 A CN111677080 A CN 111677080A
- Authority
- CN
- China
- Prior art keywords
- rainwater
- well
- pipeline
- fertility
- intercepting
- 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.)
- Pending
Links
- 238000000746 purification Methods 0.000 title claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 40
- 230000035558 fertility Effects 0.000 claims abstract description 36
- 239000002689 soil Substances 0.000 claims abstract description 35
- 239000010865 sewage Substances 0.000 claims abstract description 30
- 238000000855 fermentation Methods 0.000 claims abstract description 18
- 230000004151 fermentation Effects 0.000 claims abstract description 18
- 239000008239 natural water Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003913 materials processing Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000000151 deposition Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002068 microbial inoculum Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
Abstract
The invention discloses a rainwater purification system, which relates to the technical field of drainage systems and comprises a rainwater well, a fertility raw material processing system, a closure system and a soil improvement system, wherein the fertility raw material processing system is arranged at the inlet position of the rainwater well and is used for intercepting and collecting fertility raw materials in rainwater; the soil improvement system is positioned below the fertility raw material treatment system and used for transferring fermentation products obtained after fermentation treatment of the fertility raw materials into soil, the interception system is positioned at the bottom of the rainwater well and can be used for depositing rainwater, intercepting turbid rainwater and discharging the turbid rainwater into the municipal sewage treatment system, and clear rainwater on the upper layer can flow into natural water through a rainwater municipal pipeline; can protect natural water and improve soil.
Description
Technical Field
The invention relates to the technical field of drainage systems, in particular to a rainwater purification system.
Background
In recent years, urban air pollution is increasingly aggravated, a large amount of dust, sulfur dioxide and other harmful gases are adhered to rainwater in the falling process, the rainwater can continuously wash dust particles on the ground after falling to the ground, the rainwater is turbid and contains a large amount of harmful substances, the rainwater is directly discharged into a natural water body without being treated to cause water body pollution, and municipal wastes such as tree dead leaves and the like mixed in the ground flowing process of the rainwater are easy to cause pipeline blockage; the dead tree leaves in the municipal refuse are good raw materials for compost fermentation, and the fertility generated by the compost can greatly improve the soil, for example, the dead tree leaves in rainwater are not treated, so that the pipeline is easily blocked, and the resource waste is also caused.
Disclosure of Invention
The invention aims to provide a rainwater purification system, which is used for solving the problems in the prior art, protecting natural water and improving soil.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a rainwater purification system, which comprises a rainwater well, a fertility raw material processing system, a closure system and a soil improvement system, wherein the fertility raw material processing system is arranged at the inlet position of the rainwater well and is used for intercepting and collecting the fertility raw materials in the rainwater; the soil improvement system is located fertility raw materials processing system below for with fermentation product shifts to soil after the fermentation treatment of fertility raw materials, the system that dams is located catch the rainwater well bottom, the system that dams can carry out the deposit to the rainwater and carry out the interception with turbid rainwater and handle and discharge it to municipal sewage treatment system, and upper clear rainwater can flow in natural water through rainwater municipal pipeline.
Preferably, the fertility raw material processing system comprises a net-made lifting basket, two fixing pieces are symmetrically arranged on the inner wall of the rainwater well, and the net-made lifting basket can be hung on the two fixing pieces.
Preferably, the soil improvement system comprises a perforated pipeline, a baffle plate and a spring fixer, the perforated pipeline is used for extending into the soil around the rainwater well, the inlet of the perforated pipeline is communicated with the rainwater well, the baffle plate is positioned in the rainwater well, one end of the baffle plate is connected to the outer wall of the rainwater well close to the lower part of the inlet of the perforated pipeline, the baffle plate is rotatably connected with the outer wall of the rainwater well, the lower surface of the baffle plate is fixedly connected with one end of the spring fixer, the other end of the spring fixer is fixedly connected to the inner wall of the rainwater well, the leachate of the fermentation product falls onto the baffle plate from the mesh basket, and the baffle plate can guide the leachate of the fermentation product into the perforated pipeline; and when the acting force of the accumulated rainwater on the baffle plate can overcome the acting force of the spring fixer on the baffle plate, the baffle plate rotates downwards to enable the accumulated rainwater on the baffle plate to fall into the intercepting system.
Preferably, the intercepting system comprises an intercepting well and an intercepting pipeline; the sewage intercepting well is arranged at the bottom area of the rainwater well, one end of a sewage intercepting pipeline is communicated with the sewage intercepting well, the other end of the sewage intercepting pipeline is used for being connected with a municipal sewage treatment system, a water outlet is arranged on the wall of the rainwater well above the sewage intercepting well, and the water outlet is used for being connected with the rainwater municipal pipeline.
Preferably, a spraying device is arranged at the wellhead position of the catch basin and can spray water into the net-made lifting basket.
Preferably, the diameter of the open end of the mesh basket is equal to the inner diameter of the well wall where the catch basin is contacted with the open end of the mesh basket.
Preferably, the mesh basket is made of stainless steel.
Preferably, the baffle is hinged with the wall of the catch basin well.
Preferably, the spraying device is communicated with the municipal pipe network through a pipeline.
Preferably, a rainwater grate is arranged at the wellhead of the rainwater well and can completely cover the wellhead of the rainwater well.
Compared with the prior art, the invention has the following technical effects:
the invention provides a rainwater purification system, rainwater flows into a rainwater well from a wellhead of the rainwater well, and fertility raw materials such as dead branches and leaves in rainwater are intercepted and collected through the filtering action of a fertility raw material treatment system, then the rainwater continuously falls through a soil improvement system and falls into a cut-off system, the cut-off system can deposit the rainwater to intercept turbid rainwater and discharge the turbid rainwater into a municipal sewage treatment system, clear rainwater on the upper layer can flow into a natural water body through a rainwater municipal pipeline, after the rainwater stops raining, a rotten microbial inoculum is added into the fertility raw material treatment system, and after the fertility raw materials such as the dead branches and leaves are fermented for a certain time, a small amount of water is sprayed into the fertility raw material treatment system, and the flushed fertility raw material leachate falls onto the soil improvement system and is guided into soil to improve the soil; the device can protect natural water and improve soil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a rainwater purification system according to the present invention;
FIG. 2 is a right side view of the rainwater purification system of FIG. 1;
fig. 3 is a schematic view of the rain water grate in fig. 1.
In the figure: 1-a rainwater well, 2-a rainwater municipal pipeline, 3-a fertility raw material processing system, 4-a cut-off system, 41-a sewage interception well, 42-a sewage interception pipeline, 5-a soil improvement system, 51-a perforated pipeline, 52-a baffle, 53-a spring fixer, 6-a spraying device, 7-a rainwater grate and 8-a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a rainwater purification system, which is used for solving the problems in the prior art, protecting natural water and improving soil.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 and 2, the present invention provides a rainwater purification system, which comprises a rainwater well 1, a fertility raw material processing system 3, a cut-off system 4 and a soil improvement system 5, wherein the fertility raw material processing system 3 is arranged at the inlet of the rainwater well 1 and is used for cutting off and collecting fertility raw materials in rainwater; the soil improvement system 5 is positioned below the fertility raw material treatment system 3 and used for transferring fermentation products obtained after fermentation treatment of the fertility raw materials into soil, the closure system 4 is positioned at the bottom of the rainwater well 1, the closure system 4 can deposit rainwater, so that turbid rainwater can be retained and discharged into the municipal sewage treatment system, and upper clear rainwater can flow into natural water through the rainwater municipal pipeline 2; rainwater flows into the rainwater well 1 from the well mouth of the rainwater well 1, the fertility raw materials such as dead branches and leaves in the rainwater are intercepted and collected through the filtering action of the fertility raw material processing system 3, then the rainwater continuously falls through the soil improvement system 5 and then falls into the interception system, the interception system 4 can deposit the rainwater to intercept turbid rainwater and discharge the turbid rainwater into the municipal sewage processing system, upper clear rainwater can flow into natural water through the rainwater municipal pipeline 2, after the rainwater stops raining, rotten microbial inoculum is added into the fertility raw material processing system 3, the fertility raw materials such as the dead branches and leaves begin natural aerobic fermentation, after a certain time of fermentation, a small amount of water is sprayed into the fertility raw material processing system 3, the flushed fertility raw materials fall onto the soil improvement system 5, the flow rate is small, the soil improvement system 5 can avoid leachate falling to the well bottom, guiding the leachate into soil for soil improvement; the device can protect natural water and improve soil.
In this embodiment, the fertile raw material processing system 3 includes a mesh basket, and the rainwater well 1 inner wall symmetry is provided with two mounting, and the mesh basket can hang on two mounting, and the mesh basket is wire mesh basket and can intercepts fertile raw materials such as dry branches leaves in the rainwater and collect.
In this embodiment, the soil improvement system 5 comprises a perforated pipeline 51, a baffle plate 52 and a spring fixer 53, the perforated pipeline 51 extends into the soil around the rainwater well 1, the inlet of the perforated pipeline 51 is communicated with the rainwater well 1, the baffle plate 52 is located in the rainwater well 1, one end of the baffle plate 52 is connected to the outer wall of the rainwater well 1 near the lower part of the inlet of the perforated pipeline 51, the baffle plate 52 is rotatably connected with the outer wall of the rainwater well 1, the lower surface of the baffle plate 52 is fixedly connected with one end of the spring fixer 53, the other end of the spring fixer 53 is fixedly connected to the inner wall of the rainwater well 1, the leachate of the fermentation product falls onto the baffle plate 52 from the mesh basket, and the baffle plate 52 can guide the leachate of the fermentation product into the perforated pipeline; when the acting force of the rainwater accumulated on the baffle plate 52 can overcome the acting force of the spring fixer on the baffle plate 52, the baffle plate 52 rotates downwards to enable the rainwater accumulated on the baffle plate to fall into the intercepting system 4; when rainwater falls to the baffle 52 from the wellhead of the rainwater well 1, a large amount of rainwater is accumulated above the baffle 52 until the acting force of a certain amount of rainwater on the baffle 52 can overcome the acting force of the spring on the baffle 52, so that the rainwater falls, the water amount of leachate falling from the mesh basket is less than the acting force of the spring on the baffle 52, and the baffle 52 guides the leachate to the porous pipeline.
In the present embodiment, the intercepting system 4 includes an intercepting well 41 and an intercepting pipeline 42; the sewage intercepting well 41 is arranged at the bottom end area of the rainwater well 1, the sewage intercepting pipeline 42 is communicated with the sewage intercepting well 41, the other end of the sewage intercepting pipeline 42 is used for being connected with a municipal sewage treatment system, a water outlet is arranged on the wall of the rainwater well above the sewage intercepting well 41 and is used for being connected with the rainwater municipal pipeline 2; after the rainwater falls into intercepting well 41, the dust impurity deposit in the rainwater is to the rainwater bottom, and the muddy rainwater of lower floor is arranged to sewage treatment system through intercepting sewage pipe 42 with intercepting sewage well 41 and being linked together, and rainwater municipal pipeline 2 is higher than intercepting sewage well 41 perpendicularly, and along with rising of water level in rainwater well 1, the clarification rainwater is arranged into natural water from municipal pipeline.
In this embodiment, the rainwater well 1 is provided with a spraying device 6 at the wellhead position, the spraying device 6 can spray water into the net basket, the water falls on the fermented fertile raw materials to form fermentation leachate, and the fermentation leachate can carry organic matter content to enter soil.
In this embodiment, net system hand-basket is stainless steel material, effective rust-resistant, increase of service life.
In the embodiment, the baffle plate 52 is hinged to the wall of the rainwater well 1, so that the baffle plate 52 can rotate up and down in the rainwater well 1.
In this embodiment, the spraying device 6 is communicated with the municipal pipeline network through a pipeline, so that the water source in the municipal pipeline network can be utilized to spray the fertilizer raw materials in the net-made basket.
As shown in fig. 1 and 3, in the present embodiment, a rainwater grate 7 is disposed at the wellhead of the rainwater well 1, the rainwater grate 7 can completely cover the wellhead of the rainwater well 1, and the rainwater grate 7 can prevent large garbage on the road surface from entering the rainwater well 1 to block the rainwater well.
In this embodiment, the net system hand-basket is connected on rainwater grate 7 through the rope, makes things convenient for taking out the clearance of net system hand-basket.
In this embodiment, the perforated pipe 51 is provided with a filter screen 8, which can filter the dust in the rainwater entering the perforated pipe 51 and prevent the through holes of the perforated pipe 51 from being blocked.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (10)
1. A rainwater purification system, its characterized in that: the system comprises a catch basin, a fertility raw material processing system, a closure system and a soil improvement system, wherein the fertility raw material processing system is arranged at the inlet of the catch basin and used for blocking and collecting the fertility raw materials in rainwater; the soil improvement system is located fertility raw materials processing system below for with fermentation product shifts to soil after the fermentation treatment of fertility raw materials, the system that dams is located catch the rainwater well bottom, the system that dams can carry out the deposit to the rainwater and carry out the interception with turbid rainwater and handle and discharge it to municipal sewage treatment system, and upper clear rainwater can flow in natural water through rainwater municipal pipeline.
2. The rainwater purification system according to claim 1, wherein: the fertility raw material processing system comprises a net-made lifting basket, wherein two fixing pieces are symmetrically arranged on the inner wall of the rainwater well, and the net-made lifting basket can be hung on the two fixing pieces.
3. The rainwater purification system according to claim 2, wherein: the soil improvement system comprises a perforated pipeline, a baffle and a spring fixer, wherein the perforated pipeline is used for extending into the soil around the rainwater well, the inlet of the perforated pipeline is communicated with the rainwater well, the baffle is positioned in the rainwater well, one end of the baffle is connected to the outer wall of the rainwater well below the inlet of the perforated pipeline, the baffle is rotatably connected with the outer wall of the rainwater well, the lower surface of the baffle is fixedly connected with one end of the spring fixer, the other end of the spring fixer is fixedly connected to the inner wall of the rainwater well, the leachate of a fermentation product falls onto the baffle from the mesh basket, and the baffle can guide the leachate of the fermentation product into the perforated pipeline; and when the acting force of the accumulated rainwater on the baffle plate can overcome the acting force of the spring fixer on the baffle plate, the baffle plate rotates downwards to enable the accumulated rainwater on the baffle plate to fall into the intercepting system.
4. The rainwater purification system according to claim 1, wherein: the intercepting system comprises an intercepting well and an intercepting pipeline; the sewage intercepting well is arranged at the bottom area of the rainwater well, one end of a sewage intercepting pipeline is communicated with the sewage intercepting well, the other end of the sewage intercepting pipeline is used for being connected with a municipal sewage treatment system, a water outlet is arranged on the wall of the rainwater well above the sewage intercepting well, and the water outlet is used for being connected with the rainwater municipal pipeline.
5. The rainwater purification system according to claim 2, wherein: and a spraying device is arranged at the wellhead position of the catch basin and can spray water into the net-made lifting basket.
6. The rainwater purification system according to claim 2, wherein: the diameter of the opening end of the net-made lifting basket is equal to the inner diameter of the well wall at the position where the rainwater well is contacted with the opening end of the net-made lifting basket.
7. The rainwater purification system according to claim 2, wherein: the net-made lifting basket is made of stainless steel.
8. The rainwater purification system according to claim 3, wherein: the baffle is hinged with the wall of the catch basin.
9. The rainwater purification system according to claim 5, wherein: the spraying device is communicated with the municipal pipeline network through a pipeline.
10. The rainwater purification system according to claim 5, wherein: a rainwater grate is arranged at the wellhead of the rainwater well and can completely cover the wellhead of the rainwater well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553532.3A CN111677080A (en) | 2020-06-17 | 2020-06-17 | Rainwater purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553532.3A CN111677080A (en) | 2020-06-17 | 2020-06-17 | Rainwater purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677080A true CN111677080A (en) | 2020-09-18 |
Family
ID=72435906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010553532.3A Pending CN111677080A (en) | 2020-06-17 | 2020-06-17 | Rainwater purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111677080A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056436U (en) * | 1989-06-16 | 1990-04-25 | 史以侠 | Sealed drainage comb-like device |
| US20110198273A1 (en) * | 2010-02-17 | 2011-08-18 | Stormwater Maintenance Company | Multi-stage storm drain filter insert |
| CN104631547A (en) * | 2015-02-12 | 2015-05-20 | 云南彬然建筑节能科技有限公司 | Rainwater collecting system |
| CN207660076U (en) * | 2017-12-11 | 2018-07-27 | 鹤壁海绵城市建设管理有限公司 | A kind of sponge novel urban rain water shunting well |
| WO2018155866A1 (en) * | 2017-02-22 | 2018-08-30 | 박정환 | Installation structure of non-buoyant collector well having leakage prevention function |
| CN109372088A (en) * | 2018-12-10 | 2019-02-22 | 南昌大学 | A kind of self-closed inlet for stom water of easy cleaning |
| CN209556088U (en) * | 2018-11-12 | 2019-10-29 | 安徽建筑大学 | A kind of inlet for stom water of the initial rainwater that shuts off based on floating drum |
| CN209924104U (en) * | 2019-02-26 | 2020-01-10 | 江苏宇翔建设发展集团有限公司 | Rainwater collection comprehensive ecological system |
-
2020
- 2020-06-17 CN CN202010553532.3A patent/CN111677080A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056436U (en) * | 1989-06-16 | 1990-04-25 | 史以侠 | Sealed drainage comb-like device |
| US20110198273A1 (en) * | 2010-02-17 | 2011-08-18 | Stormwater Maintenance Company | Multi-stage storm drain filter insert |
| CN104631547A (en) * | 2015-02-12 | 2015-05-20 | 云南彬然建筑节能科技有限公司 | Rainwater collecting system |
| WO2018155866A1 (en) * | 2017-02-22 | 2018-08-30 | 박정환 | Installation structure of non-buoyant collector well having leakage prevention function |
| CN207660076U (en) * | 2017-12-11 | 2018-07-27 | 鹤壁海绵城市建设管理有限公司 | A kind of sponge novel urban rain water shunting well |
| CN209556088U (en) * | 2018-11-12 | 2019-10-29 | 安徽建筑大学 | A kind of inlet for stom water of the initial rainwater that shuts off based on floating drum |
| CN109372088A (en) * | 2018-12-10 | 2019-02-22 | 南昌大学 | A kind of self-closed inlet for stom water of easy cleaning |
| CN209924104U (en) * | 2019-02-26 | 2020-01-10 | 江苏宇翔建设发展集团有限公司 | Rainwater collection comprehensive ecological system |
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