CN113684904A - Road rainwater drainage management method - Google Patents

Road rainwater drainage management method Download PDF

Info

Publication number
CN113684904A
CN113684904A CN202110789879.2A CN202110789879A CN113684904A CN 113684904 A CN113684904 A CN 113684904A CN 202110789879 A CN202110789879 A CN 202110789879A CN 113684904 A CN113684904 A CN 113684904A
Authority
CN
China
Prior art keywords
water
drainage
road
rainwater
reservoir
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
Application number
CN202110789879.2A
Other languages
Chinese (zh)
Inventor
许舜鑫
黄楚彬
林坚明
王坤孟
朱文波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Civil Engineering Co ltd
Original Assignee
Guangzhou Civil Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Civil Engineering Co ltd filed Critical Guangzhou Civil Engineering Co ltd
Priority to CN202110789879.2A priority Critical patent/CN113684904A/en
Publication of CN113684904A publication Critical patent/CN113684904A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/227Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/02Arrangement of sewer pipe-lines or pipe-line systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/22Adaptations of pumping plants for lifting sewage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F2201/00Details, devices or methods not otherwise provided for
    • E03F2201/20Measuring flow in sewer systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sewage (AREA)

Abstract

The invention relates to the technical field of road rainwater management, and discloses a road rainwater discharge management method, which comprises the following steps: s1: the green belt is arranged on the outer side of the pedestrian road, and a fence is arranged in the middle of the road for separation; s2: arranging a plurality of water outlets on the side surface of the connection part of the sidewalk and the lane, wherein the distance between every two adjacent water outlets is 10-50m, the water outlets are connected with water drainage pipelines, and the water drainage pipelines pass through the sidewalk and are directly communicated with a green belt; s3: connecting drainage pipelines, wherein one end of each green belt of 10-30 adjacent drainage pipelines is provided with a communicating water channel to enable the drainage pipelines to be communicated with each other, and the upper surface of each communicating water channel is provided with a grating; s4: a reservoir is arranged. The invention can assist in draining water through the arrangement of the water pump, prevent water accumulation on the road surface caused by unsmooth drainage and influence on normal passing, can assist in water seepage when the drainage pipeline drains water, and can prevent rainwater from being discharged in time when the drainage pipeline is blocked.

Description

Road rainwater drainage management method
Technical Field
The invention relates to the technical field of road rainwater management, in particular to a road rainwater discharge management method.
Background
A municipal rainwater trunk pipe is arranged below a municipal road, and in sunny days and rainfall, sewage and initial rain along the road can enter the rainwater trunk pipe below the municipal road from a rainwater port beside the municipal road and then are directly discharged to a natural water body.
With global warming in recent years, rainstorm weather has been more and more frequent and difficult to predict. The actual conditions of rainwater regulation pond can't in time accurately be acquireed to current precipitation drainage monitoring mode, and when the water storage volume of rainwater regulation pond reached the limit and drainage speed was slower than the water intake rate, the rainwater regulation pond received the influence to the dispatch drainage ability of rainwater, appears the flood easily, and the greenbelt of town road also can play certain barrier effect when the drainage in addition, and drainage that can not be smooth and easy can not satisfy people's requirement.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a road rainwater drainage management method, which solves the problems that the existing road rainwater drainage management is not good enough, is easy to cause flood, is unsmooth in drainage and cannot meet the requirements of people.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a method for managing the drainage of road rainwater comprises the following steps:
s1: the green belt is arranged on the outer side of the pedestrian road, and a fence is arranged in the middle of the road for separation;
s2: arranging a plurality of water outlets on the side surface of the connection part of the sidewalk and the lane, wherein the distance between every two adjacent water outlets is 10-50m, the water outlets are connected with water drainage pipelines, and the water drainage pipelines pass through the sidewalk and are directly communicated with a green belt;
s3: connecting drainage pipelines, wherein one end of each green belt of 10-30 adjacent drainage pipelines is provided with a communicating water channel to enable the drainage pipelines to be communicated with each other, and the upper surface of each communicating water channel is provided with a grating;
s4: arranging water reservoirs in a drainage pipeline at intervals, wherein the interval between every two adjacent water reservoirs is 20-50m, a pressure sensing module and an information transmission module are arranged at the bottom of each water reservoir, the information transmission module is connected with a central control module, the depth of each water reservoir is 2-10m, a drainage pipe is arranged at the position of 5-8m of each water reservoir, and the drainage pipe is directly connected with a drainage system of a city;
s5: the water pump is arranged at the top of the reservoir, one end of the water pump is located at the bottom of the reservoir, the other end of the water pump is connected with the water drainage pipe, and the information transmission module transmits information to the central control module, and then the central control module controls the water pump to work to perform auxiliary drainage.
As a still further scheme of the invention, the height of the pedestrian path in the S1 is 10-30cm higher than the lane.
Further, a grid is arranged at the water discharge port in S2.
On the basis of the scheme, the depth of the drainage pipeline in the S3 is 30-60 cm.
Furthermore, among S3 drainage pipe be close to the pre-buried a plurality of infiltration pipes in one side of greenbelt, a plurality of infiltration holes are seted up to the outer wall of infiltration pipe, and the setting of infiltration pipe I slant down, the height that the infiltration pipe is close to drainage pipe one end is greater than the height of keeping away from drainage pipe one end.
On the basis of the previous scheme, the cross section of the water storage tank in the S4 is round or square, and the inner wall of the water storage tank is coated with waterproof paint.
In a further aspect of the present invention, the S5 includes a power module, and the power module is connected to the water pump, the pressure sensing module and the information transmission module.
(III) advantageous effects
Compared with the prior art, the invention provides a road rainwater discharge management method, which has the following beneficial effects:
1. the invention cancels a road central greening separation belt, a mechanical non-isolation greening belt and a sidewalk tree belt or tree pool, intensively arranges the road greening area at the outer side of the road, and can effectively reduce the maintenance difficulty and the maintenance cost of road greening.
2. According to the rainwater drainage system, auxiliary drainage can be performed through the arrangement of the water pump, the problem that water is not drained smoothly to cause surface water accumulation and influence on normal passing is solved, rainwater can be preliminarily filtered through the arrangement of the grating, the drainage pipeline is prevented from being blocked by sundries, the grating arranged on the upper surface of the drainage pipeline can collect garbage on the surface, the garbage can be directly taken away when the rainwater flows, and pedestrians can conveniently pass.
3. The rainwater storage tank can store water and collect rainwater, the collected rainwater can be recycled, pressure induction can be performed when the water cannot be drained in time due to large water quantity, and then information is transmitted out to facilitate monitoring.
Drawings
Fig. 1 is a schematic flow structure diagram of a road rainwater drainage management method provided by the invention.
Fig. 2 is a schematic diagram of a signal transmission structure of a road rainwater drainage management method according to the present invention.
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.
Example 1
Referring to fig. 1-2, a method for managing the drainage of road rainwater, comprising the steps of:
s1: the green belt is arranged, the green belt is arranged on the outer side of a pedestrian road, a fence is arranged in the middle of the road for separation, a road central green separation belt, a mechanical non-isolation green belt and a sidewalk tree belt or tree pool are eliminated, a road green area is intensively arranged on the outer side of the road, and the road green maintenance difficulty and the road green maintenance cost can be effectively reduced;
s2: arranging a plurality of water outlets on the side surface of the connection part of the sidewalk and the lane, wherein the distance between every two adjacent water outlets is 20m, the water outlets are connected with water drainage pipelines, and the water drainage pipelines penetrate through the sidewalk and are directly communicated with a green belt;
s3: connecting drainage pipelines, wherein one end of each green belt of the 15 adjacent drainage pipelines is provided with a communicating water channel to enable the drainage pipelines to be communicated with each other, and the upper surfaces of the communicating water channels are provided with grids;
s4: arranging water reservoirs in a drainage pipeline at intervals, wherein the adjacent water reservoirs are spaced by 30m, a pressure sensing module and an information transmission module are arranged at the bottom of each water reservoir, the information transmission module is connected with a central control module, the depth of each water reservoir is 8m, a drainage pipe is arranged at the position of 5m of each water reservoir, and the drainage pipe is directly connected with a drainage system of a city;
s5: supplementary drainage, the top of cistern sets up the water pump, and the one end of water pump is located the bottom of cistern, and one end and drain connection, information transfer module after information transfer for central control module, central control module control water pump work, supplementary drainage can be carried out to the setting through the water pump, prevents that the drainage is not smooth, leads to surface gathered water, influences normally current.
The height of a pedestrian path in the S1 is higher than 25cm of the lane, a grid is arranged at a water outlet in the S2, rainwater can be preliminarily filtered through the grid, the drainage pipeline is prevented from being blocked by sundries, the depth of the drainage pipeline in the S3 is 40cm, the grid arranged on the upper surface of the drainage pipeline can collect garbage on the surface, the rainwater can be directly taken away when flowing, and the pedestrian can conveniently pass, a plurality of water seepage pipes are pre-embedded on one side of the drainage pipeline close to a green belt in the S3, a plurality of water seepage holes are formed in the outer wall of each water seepage pipe, the water seepage pipes are arranged obliquely downwards, the height of one end, close to the drainage pipeline, of each water seepage pipe is larger than that of one end, far away from the drainage pipeline, water seepage can be assisted when drainage is carried out through the arrangement of the water seepage pipes, and rainwater can be prevented from being discharged in time when the drainage pipeline is blocked.
It should explain very much, the cross section of cistern is circular or square in S4, and the inner wall coating of cistern has waterproof coating, can impound through the setting of cistern, collect the rainwater, and the rainwater of collecting can carry out reutilization, and in addition, great at the water yield, can carry out forced induction when the drain pipe can not in time be discharged, then go out information transfer, conveniently monitor, including power module in S5, power module and water pump, forced induction module and information transfer module are connected, provide electric power.
Example 2
Referring to fig. 1-2, a method for managing the drainage of road rainwater, comprising the steps of:
s1: the green belt is arranged, the green belt is arranged on the outer side of a pedestrian road, a fence is arranged in the middle of the road for separation, a road central green separation belt, a mechanical non-isolation green belt and a sidewalk tree belt or tree pool are eliminated, a road green area is intensively arranged on the outer side of the road, and the road green maintenance difficulty and the road green maintenance cost can be effectively reduced;
s2: arranging a plurality of water outlets on the side surface of the connection part of the sidewalk and the lane, wherein the distance between every two adjacent water outlets is 40m, the water outlets are connected with water drainage pipelines, and the water drainage pipelines penetrate through the sidewalk and are directly communicated with a green belt;
s3: connecting drainage pipelines, wherein one end of each green belt of 20 adjacent drainage pipelines is provided with a communicating water channel to enable the drainage pipelines to be communicated with each other, and the upper surfaces of the communicating water channels are provided with grids;
s4: arranging water reservoirs in a drainage pipeline at intervals, wherein the adjacent water reservoirs are spaced by 30m, a pressure sensing module and an information transmission module are arranged at the bottom of each water reservoir, the information transmission module is connected with a central control module, the depth of each water reservoir is 7m, a drainage pipe is arranged at the position of 5m of each water reservoir, and the drainage pipe is directly connected with a drainage system of a city;
s5: supplementary drainage, the top of cistern sets up the water pump, and the one end of water pump is located the bottom of cistern, and one end and drain connection, information transfer module after information transfer for central control module, central control module control water pump work, supplementary drainage can be carried out to the setting through the water pump, prevents that the drainage is not smooth, leads to surface gathered water, influences normally current.
The height of a pedestrian path in S1 is higher than that of a lane by 30cm, a grid is arranged at a drainage port in S2, rainwater can be preliminarily filtered through the grid, so that the drainage pipeline is prevented from being blocked by sundries, the depth of the drainage pipeline in S3 is 40cm, the grid arranged on the upper surface of the drainage pipeline can collect garbage on the surface, the rainwater can be directly taken away when flowing, and the pedestrian can conveniently pass, a plurality of water seepage pipes are pre-embedded on one side of the drainage pipeline close to a green belt in S3, a plurality of water seepage holes are formed in the outer wall of each water seepage pipe, the water seepage pipes are arranged obliquely downwards, the height of one end, close to the drainage pipeline, of each water seepage pipe is larger than that of one end, far away from the drainage pipeline, water seepage can be assisted when drainage is carried out through the arrangement of the water seepage pipes, and rainwater can be prevented from being discharged in time when the drainage pipeline is blocked.
It should explain very much, the cross section of cistern is circular or square in S4, and the inner wall coating of cistern has waterproof coating, can impound through the setting of cistern, collect the rainwater, and the rainwater of collecting can carry out reutilization, and in addition, great at the water yield, can carry out forced induction when the drain pipe can not in time be discharged, then go out information transfer, conveniently monitor, including power module in S5, power module and water pump, forced induction module and information transfer module are connected, provide electric power.
In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A method for managing the drainage of road rainwater is characterized by comprising the following steps:
s1: the green belt is arranged on the outer side of the pedestrian road, and a fence is arranged in the middle of the road for separation;
s2: arranging a plurality of water outlets on the side surface of the connection part of the sidewalk and the lane, wherein the distance between every two adjacent water outlets is 10-50m, the water outlets are connected with water drainage pipelines, and the water drainage pipelines pass through the sidewalk and are directly communicated with a green belt;
s3: connecting drainage pipelines, wherein one end of each green belt of 10-30 adjacent drainage pipelines is provided with a communicating water channel to enable the drainage pipelines to be communicated with each other, and the upper surface of each communicating water channel is provided with a grating;
s4: arranging water reservoirs in a drainage pipeline at intervals, wherein the interval between every two adjacent water reservoirs is 20-50m, a pressure sensing module and an information transmission module are arranged at the bottom of each water reservoir, the information transmission module is connected with a central control module, the depth of each water reservoir is 2-10m, a drainage pipe is arranged at the position of 5-8m of each water reservoir, and the drainage pipe is directly connected with a drainage system of a city;
s5: the water pump is arranged at the top of the reservoir, one end of the water pump is located at the bottom of the reservoir, the other end of the water pump is connected with the water drainage pipe, and the information transmission module transmits information to the central control module, and then the central control module controls the water pump to work to perform auxiliary drainage.
2. A method for managing drainage of rainwater on a road according to claim 1, wherein said pedestrian' S path in S1 is 10-30cm higher than said driveway.
3. A method for managing drainage of road rainwater according to claim 2, wherein a grating is provided at the drain in S2.
4. The method for managing drainage of road rainwater according to claim 1, wherein the depth of the drainage pipeline in S3 is 30-60 cm.
5. The method for managing the drainage of road rainwater according to claim 4, wherein a plurality of water seepage pipes are pre-embedded at one side of the drainage pipeline close to the green belt in S3, a plurality of water seepage holes are formed in the outer wall of each water seepage pipe, the water seepage pipes are arranged obliquely downwards, and the height of one end of each water seepage pipe close to the drainage pipeline is larger than that of one end of each water seepage pipe far away from the drainage pipeline.
6. The method of claim 5, wherein the cross-section of the water reservoir in the S4 is circular or square, and the inner wall of the water reservoir is coated with a waterproof coating.
7. The method for managing drainage of rainwater on roads according to claim 1, wherein said S5 includes a power module, and said power module is connected to said water pump, said pressure sensing module and said information transmission module.
CN202110789879.2A 2021-07-13 2021-07-13 Road rainwater drainage management method Pending CN113684904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110789879.2A CN113684904A (en) 2021-07-13 2021-07-13 Road rainwater drainage management method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110789879.2A CN113684904A (en) 2021-07-13 2021-07-13 Road rainwater drainage management method

Publications (1)

Publication Number Publication Date
CN113684904A true CN113684904A (en) 2021-11-23

Family

ID=78577393

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110789879.2A Pending CN113684904A (en) 2021-07-13 2021-07-13 Road rainwater drainage management method

Country Status (1)

Country Link
CN (1) CN113684904A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206279616U (en) * 2016-12-15 2017-06-27 东北石油大学 A kind of rainwater-collecting water-storing device
CN107587406A (en) * 2017-09-27 2018-01-16 安徽建筑大学 A kind of rainwater on road surface excludes prior-warning device and its method for early warning
CN107805990A (en) * 2017-09-27 2018-03-16 安徽建筑大学 A kind of rainwater on road surface excludes purification self-cleaning system and its installation method
CN108040820A (en) * 2018-02-05 2018-05-18 兰新伟 A kind of gardens Catchwork irrigation device for being implanted into underground
CN209194274U (en) * 2018-12-07 2019-08-02 宁夏大学 A kind of novel rainwater pours, road safety prompts comprehensive greenbelt system
CN209779370U (en) * 2019-03-05 2019-12-13 天津城建设计院有限公司 Urban road rainwater is collected and is utilized and discharge system
CN211090814U (en) * 2019-06-10 2020-07-28 上海恒准园林景观有限公司 Green belt for municipal afforestation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206279616U (en) * 2016-12-15 2017-06-27 东北石油大学 A kind of rainwater-collecting water-storing device
CN107587406A (en) * 2017-09-27 2018-01-16 安徽建筑大学 A kind of rainwater on road surface excludes prior-warning device and its method for early warning
CN107805990A (en) * 2017-09-27 2018-03-16 安徽建筑大学 A kind of rainwater on road surface excludes purification self-cleaning system and its installation method
CN108040820A (en) * 2018-02-05 2018-05-18 兰新伟 A kind of gardens Catchwork irrigation device for being implanted into underground
CN209194274U (en) * 2018-12-07 2019-08-02 宁夏大学 A kind of novel rainwater pours, road safety prompts comprehensive greenbelt system
CN209779370U (en) * 2019-03-05 2019-12-13 天津城建设计院有限公司 Urban road rainwater is collected and is utilized and discharge system
CN211090814U (en) * 2019-06-10 2020-07-28 上海恒准园林景观有限公司 Green belt for municipal afforestation

Similar Documents

Publication Publication Date Title
CN104480994B (en) A kind of square, urban green space rainwater-collecting reutilization system
CN201276718Y (en) Rainwater collecting and recycling system on building roofing
CN106284588A (en) A kind of rainwater treatment that can be used for sponge city and stocking system
CN109267772B (en) Ecological landscape corridor for intelligent three-dimensional rainwater recycling and workflow thereof
CN106760257A (en) A kind of photovoltaic afforests the system for reclaiming rainwater of composite roof
CN113818534A (en) Biological retention facility for sponge urban road
CN108625453A (en) Skyscraper sponge City complex system
CN106917473B (en) A kind of rainwater recycle method of photovoltaic greening composite roof
CN113684904A (en) Road rainwater drainage management method
CN109868877A (en) Drainage system of freeway and construction method
CN115059158A (en) Urban old road rainwater and sewage pipe network transformation system and method thereof
CN204960479U (en) Green urban traffic transfers system
CN213653722U (en) Adjustable-storage permeable sponge urban rainwater pipe network system for building community
Nazif et al. Comparing Rainwater Storage Options
CN211597025U (en) Underground rainwater recycling device
CN211547967U (en) Garage roof soil infiltration drainage system
CN211872680U (en) Rainwater garden roundabout structure
CN214994292U (en) Urban and rural planning rainwater is collected and is recycled device
CN217810271U (en) Warning clean pedestrian path for expressway service area
CN215976831U (en) Can examine hidden drainage system of repairable city bridge
CN111075003A (en) Road surface washing method based on rainwater reuse
CN110593389A (en) Rainwater recycling system
CN221345741U (en) Intelligent rainwater recycling dust fall system
CN205000453U (en) Rain resource ization management system
CN221567313U (en) Rainwater recycle dust fall system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20211123

RJ01 Rejection of invention patent application after publication