CN106049602A - Roof rainwater storage seepage utilization system - Google Patents

Roof rainwater storage seepage utilization system Download PDF

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Publication number
CN106049602A
CN106049602A CN201610633197.1A CN201610633197A CN106049602A CN 106049602 A CN106049602 A CN 106049602A CN 201610633197 A CN201610633197 A CN 201610633197A CN 106049602 A CN106049602 A CN 106049602A
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CN
China
Prior art keywords
rainwater
water
pipe
seepage
roof
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
CN201610633197.1A
Other languages
Chinese (zh)
Inventor
刘伟民
喻定芳
李刚
史陇俊
袁喆
李文娟
梅艳艳
隋旭红
张小侠
杨燕妮
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.)
Beijing Liangxiang Lanxin Hydraulic Engineering And Design Co Ltd
Original Assignee
Beijing Liangxiang Lanxin Hydraulic Engineering And Design 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 Beijing Liangxiang Lanxin Hydraulic Engineering And Design Co Ltd filed Critical Beijing Liangxiang Lanxin Hydraulic Engineering And Design Co Ltd
Priority to CN201610633197.1A priority Critical patent/CN106049602A/en
Publication of CN106049602A publication Critical patent/CN106049602A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • 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
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/04Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/08Down pipes; Special clamping means therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/30Flood prevention; Flood or storm water management, e.g. using flood barriers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The invention belongs to the technical field of rain-flood utilization, and particularly relates to a roof rainwater storage seepage utilization system. The roof rainwater storage seepage utilization system comprises a rainwater down pipe, a filtering pool located under the rainwater down pipe and a storage seepage well which is embedded in soil and communicated with the filtering pool; a filtering device used for filtering impurities in rainwater is arranged in the filtering pool, one end of the rainwater down pipe is connected with a roof, the opposite end of the rainwater down pipe extends into the filtering device, the side wall of the storage seepage well is provided with at least one seepage pipe which is horizontally communicated with the storage seepage well and extends to the peripheral soil, multiple water seepage holes are formed in each seepage pipe, and the rainwater flowing into the storage seepage well seeps into the soil through the bottom of the storage seepage well and the water seepage holes. The roof rainwater storage seepage utilization system is simple in structure, can supplement groundwater, increases the soil water content, reduces water used for green land irrigation, saves the water resource, improves the rainwater quality and reduces contamination of the rainwater to the soil.

Description

A kind of rain water on roof stores to ooze and utilizes system
Technical field
The invention belongs to making use of rain and flood technical field, be specifically related to a kind of rain water on roof and store to ooze and utilize system.
Background technology
Along with modernization fast development, ground water severe contamination, overdraft of groundwater, develop rainwater resource Become the optimal path solving water resources problems.Rainwater, as a kind of precious resources, can be accomplished in several ways rainwater money Source, makes full use of rainwater resource to solving shortage of water resources, improving the aspect such as urban ecological environment, flood control and disaster reduction and have great Meaning.
Technology of Urban Rainwater Utilization can be divided into from mode and directly utilizing and indirect utilization, directly utilizes mainly accumulation and returns With, indirect utilization mainly permeates utilization;From the land-use style in urban construction district, roof rainwater collection utilization, road can be divided into Rainwater catchment system and water scenery waters, greenery patches retain utilization.
Rain water on roof utilizes at present mainly two aspects, and one is to be directly discharged into greenery patches, greenery patches by building periphery aproll Inside storing rainwater, as greenbelt plants kind selects accidentally, plant is caused damage by long-time immersion, is separately stored in surface, greenery patches Rainwater, evaporation capacity is relatively big, and rainwater utilization is relatively low.Two is by rainwater storage facility, is stored by roof rainwater collection, then reuse Watering in green area irrigation and road and spill, this facility is placed on the ground, is limited by peripheral space, and inharmonious with surrounding enviroment, and one Determining degree, to affect building attractive in appearance.Being arranged on the rainwater storage facility of underground, its reclaiming system is complex, relates to power supply, returns By engineerings such as pump, reuse pipelines, build and operation expense is the highest.
In view of above-mentioned consideration, that designs the combination of a kind of rainfall infiltration utilizes system, will store after rain water on roof filtration, purification In storing seepage well, the rainwater comprehensive utilization system making rainwater persistently permeate the ground has extremely important effect.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of rain water on roof and store to ooze and utilize system, it includes that rain falls Manage, be positioned at the filtering ponds below described rainwater down pipe and be embedded at the storage seepage well that soil is connected with described filtering ponds, described Being provided with the defecator for filtering rain impurities in water in filtering ponds, described rainwater down pipe one end connects roofing, the relative other end Stretching in described defecator, the sidewall of described storage seepage well is provided with at least one and is connected with described storage seepage well level and outwards The osmos tube of week soil extension, described osmos tube is laid with multiple water seepage hole, and the rainwater flowed in described storage seepage well leads to respectively Bottom and the described water seepage hole of crossing described storage seepage well penetrate in soil.
The rain water on roof of the present invention stores to ooze and utilizes system, owing to having the storage seepage well and osmos tube being embedded in soil, makes Obtain the present invention have storage rainwater concurrently and penetrate into the function of rainwater to underground, thus recharge of groundwater, add soil moisture content, subtract Lack pouring water, save water resource;Owing to having defecator so that the rainwater stored by the present invention is clean through filtering Change, thus improve rainwater quality, decrease the rainwater pollution for soil;And, the present invention is rained relative to existing Water storage facility, simple in construction, with low cost, thus there is important application value.
The rain water on roof of the present invention stores and oozes the system that utilizes, and the sidewall of described storage seepage well is additionally provided with one and is connected with its level Logical overflow pipe, described overflow pipe is positioned at above osmos tube, and its end is communicated to the drainage pipeline networks for discharging overflow water.By In being provided with overflow pipe, when the rain water on roof amount of collecting exceedes default reservoir storage (i.e. the storage capacity) storing seepage well, overflow pipe can Unnecessary rainwater is drained into drainage pipeline networks, thus decreases the damage storing seepage well.
The rain water on roof of the present invention stores the system that utilizes of oozing, and described storage seepage well top and ground are in same level, described Overflow pipe and the vertical dimension storing seepage well top are store the seepage well degree of depth 1/4~1/3;And/or, described osmos tube and storage seepage well top The vertical dimension in portion is store the seepage well degree of depth 1/2~3/4.
The rain water on roof of the present invention stores and oozes the system that utilizes, and described osmos tube is four, and in the same plane, and is storing It is uniformly distributed on seepage well sidewall.The quantity of osmos tube is set to four, it is possible to while guaranteeing soil permeability effect, reduces infiltration Pipe quantity, saves production expenditure;Osmos tube is arranged on same plane, and is uniformly distributed on seepage well sidewall storing, it is possible to make to store Seepage well surrounding soil is by uniformly penetrating, and then ensure that good osmotic effect.
The rain water on roof of the present invention stores and oozes the system that utilizes, and multiple described water seepage holes are uniformly distributed on osmos tube, Duo Gesuo State the gross area is described osmos tube surface area the 50%~60% of water seepage hole, and described permeability hole average pore size is osmos tube pipe The 1/5~1/4 of footpath.The number of water seepage hole and the caliber of osmos tube, it is ensured that rainwater can faster permeate the ground, thus storing In seepage well during excessive rainfall, it is possible to effectively reduce unnecessary rainwater and overflow the water resource waste caused through overflow pipe.
The rain water on roof of the present invention stores and oozes the system that utilizes, and is equipped with 18~22cm thick gravels, institute bottom described storage seepage well The particle diameter stating gravel is 2~3cm, to guarantee to store more preferable water seepage function bottom seepage well.
The rain water on roof of the present invention stores and oozes the system that utilizes, and described osmos tube is wrapped with non-woven fabrics, to prevent soil particle Block described water seepage hole.
The rain water on roof of the present invention stores the system that utilizes of oozing, and described filtering ponds are connected by water pipe with storing seepage well, described water The caliber of pipe is identical with rainwater down pipe caliber, and then the balance of flow rate of water flow between effective coordination filtering ponds and storage seepage well.
The rain water on roof of the present invention stores and oozes the system that utilizes, and described defecator includes that hand basket and horizontal card are located at described hand basket In drainage screen, and the inwall laminating of the edge of described drainage screen and hand basket, bottom described drainage screen and hand basket between space Inside it is filled with gravel haydite.Drainage screen and the double filtration of gravel haydite, make rainwater obtain more preferable purification, significantly carry Rise water quality, reduced the pollution to soil, more conducively greenery patches and use.
The rain water on roof of the present invention stores and oozes the system that utilizes, and the hand basket sidewall bottom described hand basket and below drainage screen is all opened Being provided with multiple aperture, the aperture of described aperture is 0.4~0.6cm, preferably 0.5cm;And/or, the material of described hand basket is steel; The setting of aperture makes rainwater can drain into filtering ponds quickly;Steel hand basket is corrosion-resistant, impact resistance, function admirable, thus more It is beneficial to improve the service life of the present invention;And/or, the top of described hand basket opposite sides is horizontal-extending outside hand basket respectively, by This forms the first horizontal plate and the second horizontal plate respectively, and described first horizontal plate and the second horizontal plate are respectively rested on filtering ponds phase To on the body of wall of both sides, the setting of the first horizontal plate and the second horizontal plate make the present invention defecator can easily from Filtering ponds disassemble, thus is more convenient for changing and cleaned filter screen and gravel haydite.It is furthermore preferred that described first level It is equipped with handle, in order to hand basket is proposed by maintenance process of the present invention more easily on plate and the second horizontal plate.
The rain water on roof of the present invention stores and oozes the system that utilizes, and described rainwater down pipe is vertically arranged, and its bottom and described filter screen Vertical dimension is 8~12cm, preferably 10cm;And/or, described drainage screen aperture is 0.4~0.6cm, preferably 0.5cm.
The rain water on roof of the present invention stores and oozes the system that utilizes, and described storage seepage well top is provided with well lid
The technique scheme of the present invention has the advantages that the rain water on roof of the present invention stores and oozes the system that utilizes, will Being stored in after rain water on roof filtration, purification in storage seepage well, it can accumulate rainwater, the rainwater of accumulation can be penetrated into soil again and supplement Subsoil water, the rainwater penetrating into soil can keep greenery patches to moisten, reduce green land irrigation, it is thus achieved that rainfall infiltration utilizes, reach The purpose of saving water resource.This system combines storage and oozes two kinds of rainwater utilization modes simultaneously, infiltrates through storing seepage well storage, can Reduce downstream drainage pipe network discharge pressure.
Accompanying drawing explanation
Fig. 1 is that the rain water on roof storage of the embodiment of the present invention oozes the structural representation utilizing system;
Fig. 2 is the top view of the defecator of the embodiment of the present invention;
Fig. 3 is the structural representation of the hand basket of the embodiment of the present invention;
Fig. 4 is the top view storing seepage well of the embodiment of the present invention;
Fig. 5 is the structural representation of the osmos tube of the embodiment of the present invention;
Wherein, 1, rainwater down pipe;2, filtering ponds;3, seepage well is stored;4, roofing;5, osmos tube;6, water seepage hole;7, overflow pipe;8、 Gravel;9, hand basket;10, drainage screen;11, gravel haydite;12, aperture;13, the first horizontal plate;14, the second horizontal plate;15, Hands;16, water pipe;17, well lid.
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.Following example are used for The present invention is described, but can not be used for limiting the scope of the present invention.
In describing the invention, except as otherwise noted, " multiple " are meant that two or more;Term " the One ", " second ", " the 3rd " etc. are only used for describing purpose, and it is not intended that instruction or hint relative importance.
As shown in Fig. 1~5, present embodiments providing a kind of rain water on roof and store to ooze and utilize system, it includes being vertically arranged Rainwater down pipe 1, is positioned at the filtering ponds 2 below rainwater down pipe 1, and is connected by water pipe 16 in being embedded at soil and with filtering ponds 2 Storage seepage well 3;The defecator for filtering rain impurities in water it is provided with in filtering ponds 2;Rainwater down pipe 1 upper end connects roofing 4, lower end Stretch in described defecator;The sidewall of storage seepage well 3 is respectively equipped with 4 and is connected with storing seepage well 3 level and prolongs to periphery soil 5,4 osmos tubes 5 of the osmos tube stretched are in the same plane, and are evenly distributed on the sidewall storing seepage well 3, osmos tube 5 caliber For 10cm, it being laid with the water seepage hole 6 that multiple average pore size is 2cm, the gross area of multiple described water seepage holes 6 is osmos tube table The 55% of face;Osmos tube 5 is wrapped with layer of non-woven fabric (not shown), to prevent soil particle from blocking water seepage hole 6.
Described defecator includes the drainage screen 10 that hand basket 9 and horizontal card are located in hand basket 9, and the edge of drainage screen 10 with Hand basket 9 inwall laminating, bottom drainage screen 10 and hand basket between space in be filled with gravel haydite 11;Drainage screen 10 aperture For 0.5cm;Rainwater down pipe 1 bottom is 10cm with the vertical dimension of filter screen.
The specification of hand basket 9 is that 0.5m length × 0.3m width × 0.4m is deep, and its material is steel, bottom hand basket and drainage screen 10 times All offer, on the hand basket sidewall of side, the aperture 12 that multiple aperture is 0.5cm;The top of hand basket 9 opposite sides is respectively to hand basket 9 The most horizontal-extending, form the first horizontal plate 13 and the second horizontal plate 14, the first horizontal plate 13 and the second horizontal plate 14 the most respectively It is respectively rested on the body of wall of filtering ponds 2 opposite sides;It is equipped with handle 15 on first horizontal plate 13 and the second horizontal plate 14.
The rain water on roof of the present embodiment stores to ooze and utilizes system also to include a horizontally disposed overflow pipe 7, and overflow pipe 7 is positioned at Above osmos tube 5, and one end connection stores the sidewall of seepage well 3, and the relative other end is communicated with drainage pipeline networks (not shown), when When storing the default reservoir storage that the amount of rainfall in seepage well 3 exceeds storage seepage well 3, the rainwater beyond part passes sequentially through overflow pipe 7 and row Grid drains into outside storage seepage well 3.
In the present embodiment, filtering ponds 2 are rectangular-shaped brick filtering ponds, and specification is 0.5m length × 0.5m width × 0.6m Deeply;Storage seepage well 3 is in cylindrical shape, and diameter 1m, the degree of depth is 2m, is equipped with the thick gravel 8 of 20cm bottom it, and its top is provided with well lid 17;Osmos tube 5 is 50cm with the vertical dimension of gravel 8, and overflow pipe 7 is 50cm with the vertical dimension at storage seepage well 3 top, stores seepage well 3 tops and ground are in same level.
In work, the rainwater on roofing 4 is through rainwater down pipe 1 inflow filter, laggard through described defecator filtration, purification Enter in filtering ponds 2, then flow into successively in storage seepage well 3 and osmos tube 5 from filtering ponds 2, and respectively by storing the bottom of seepage well 3 and oozing Water hole 6 is penetrated in soil, and then the storage achieving rain water on roof oozes utilization.
Embodiments of the invention are given for example and convenient description, and are not exhaustively or by this Bright it is limited to disclosed form.Many modifications and variations are apparent from for the ordinary skill in the art.Choosing Selecting and describe embodiment is in order to the principle of the present invention and actual application are more preferably described, and makes those of ordinary skill in the art It will be appreciated that the present invention thus design is suitable to the various embodiments with various amendments of special-purpose.

Claims (10)

1. a rain water on roof stores to ooze and utilizes system, it is characterised in that includes rainwater down pipe, be positioned at the filtration below described rainwater down pipe Pond and be embedded in soil the storage seepage well being connected with described filtering ponds, is provided with for filtering in rainwater miscellaneous in described filtering ponds The defecator of matter, described rainwater down pipe one end connects roofing, and the relative other end stretches in described defecator, described storage seepage well Sidewall be provided with at least one be connected with described storage seepage well level and to periphery soil extend osmos tube, described osmos tube On be laid with multiple water seepage hole, flow into the rainwater in described storage seepage well respectively by the bottom of described storage seepage well and described water seepage hole In infiltration soil.
Rain water on roof the most according to claim 1 stores to ooze and utilizes system, it is characterised in that on the sidewall of described storage seepage well also Being provided with an overflow pipe being connected with its level, described overflow pipe is positioned at above osmos tube, and its end is communicated to for arranging Go out the drainage pipeline networks of overflow water.
Rain water on roof the most according to claim 2 stores to ooze and utilizes system, it is characterised in that described storage seepage well top and ground Being in same level, described overflow pipe and the vertical dimension storing seepage well top are store the seepage well degree of depth 1/4~1/3;And/or, Described osmos tube and the vertical dimension storing seepage well top are store the seepage well degree of depth 1/2~3/4.
4. store to ooze according to the rain water on roof described in any one of claims 1 to 3 and utilize system, it is characterised in that described osmos tube It is four, and in the same plane, and be uniformly distributed on seepage well sidewall storing.
Rain water on roof the most according to claim 4 stores to ooze and utilizes system, it is characterised in that multiple described water seepage holes are in infiltration Being uniformly distributed on pipe, the gross area of multiple described water seepage holes is the 50%~60% of described osmos tube surface area, and described infiltration Hole average pore size is the 1/5~1/4 of osmos tube caliber.
Rain water on roof the most according to claim 1 stores to ooze and utilizes system, it is characterised in that be equipped with bottom described storage seepage well 18~22cm thick gravels, the particle diameter of described gravel is 2~3cm.
7. store to ooze according to rain water on roof described in any one of claims 1 to 3,5 or 6 and utilize system, it is characterised in that described in ooze Pipe is wrapped with non-woven fabrics thoroughly, to prevent soil particle from blocking described water seepage hole.
8. store to ooze according to rain water on roof described in any one of claims 1 to 3,5 or 6 and utilize system, it is characterised in that described mistake Filter tank is connected by water pipe with storing seepage well, and the caliber of described water pipe is identical with rainwater down pipe caliber.
9. store to ooze according to rain water on roof described in any one of claims 1 to 3,5 or 6 and utilize system, it is characterised in that described mistake Filter device includes the drainage screen that hand basket and horizontal card are located in described hand basket, and the inwall patch of the edge of described drainage screen and hand basket Close, bottom described drainage screen and hand basket between space in be filled with gravel haydite.
Rain water on roof the most according to claim 9 stores and oozes and utilize system, it is characterised in that bottom described hand basket and filter All offering multiple aperture on the hand basket sidewall of side off the net, the aperture of described aperture is 0.4~0.6cm;And/or, described hand basket The top of opposite sides is horizontal-extending outside hand basket respectively, forms the first horizontal plate and the second horizontal plate the most respectively, and described One horizontal plate and the second horizontal plate are respectively rested on the body of wall of filtering ponds opposite sides;And/or, described rainwater down pipe vertically sets Put, and the vertical dimension of its bottom and described filter screen is 8~12cm;And/or, described drainage screen aperture is 0.4~0.6cm.
CN201610633197.1A 2016-08-04 2016-08-04 Roof rainwater storage seepage utilization system Pending CN106049602A (en)

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Cited By (6)

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CN106592733A (en) * 2017-02-16 2017-04-26 深圳市创环环保科技有限公司 Rainwater eddy flow sand-settling seepage well
CN107237388A (en) * 2017-07-31 2017-10-10 南昌工程学院 Waterproof ground rainwater leads the system of oozing
CN107558565A (en) * 2017-10-12 2018-01-09 北京军秀咨询有限公司 A kind of water guiding system being applied in sponge urban ecology ground system and construction method
CN108029524A (en) * 2017-12-16 2018-05-15 邱诗俊 A kind of infiltration type agricultural root fill system
CN110409558A (en) * 2019-08-15 2019-11-05 浙江省交通规划设计研究院有限公司 The rainwater utilization system and construction method of greenbelt
CN111719671A (en) * 2020-06-22 2020-09-29 四川环宇建筑设计有限公司 Rainwater storage, infiltration and utilization system

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CN105780913A (en) * 2016-04-29 2016-07-20 四川牧雨环保科技有限公司 Device for collecting and guiding rainwater at urban road edge
CN205975792U (en) * 2016-08-04 2017-02-22 北京良乡蓝鑫水利工程设计有限公司 Roof rainwater holds system that utilizes of oozing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592733A (en) * 2017-02-16 2017-04-26 深圳市创环环保科技有限公司 Rainwater eddy flow sand-settling seepage well
CN107237388A (en) * 2017-07-31 2017-10-10 南昌工程学院 Waterproof ground rainwater leads the system of oozing
CN107558565A (en) * 2017-10-12 2018-01-09 北京军秀咨询有限公司 A kind of water guiding system being applied in sponge urban ecology ground system and construction method
CN108029524A (en) * 2017-12-16 2018-05-15 邱诗俊 A kind of infiltration type agricultural root fill system
CN110409558A (en) * 2019-08-15 2019-11-05 浙江省交通规划设计研究院有限公司 The rainwater utilization system and construction method of greenbelt
CN111719671A (en) * 2020-06-22 2020-09-29 四川环宇建筑设计有限公司 Rainwater storage, infiltration and utilization system

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