CN106703157B - Rainwater recycle comprehensively utilizes construction method - Google Patents

Rainwater recycle comprehensively utilizes construction method Download PDF

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Publication number
CN106703157B
CN106703157B CN201710021018.3A CN201710021018A CN106703157B CN 106703157 B CN106703157 B CN 106703157B CN 201710021018 A CN201710021018 A CN 201710021018A CN 106703157 B CN106703157 B CN 106703157B
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rainwater
pipe
water
plate
building
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CN106703157A (en
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王新泉
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Hangzhou Jiangrun Technology Co Ltd
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Hangzhou Jiangrun Technology Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • 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
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/105Accessories, e.g. flow regulators or cleaning devices
    • 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
    • E04D13/0404Drainage on the roof surface
    • 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
    • E04D13/0404Drainage on the roof surface
    • E04D2013/0495Drainage on the roof surface to storage tanks

Abstract

The present invention relates to a kind of rainwater recycles to comprehensively utilize construction method, it is characterised in that digs underground conservation pool on the outside of building foundation, first pastes waterproof roll layer along underground storage pond side wall and bottom of pond and concrete of percolation-proof layer is arranged again;Contamination filtrating plate and bottom are arranged in ground reservoir to draw water hole, top setting reservoir cover board;Contamination filtrating plate buttress, rain pipe connecting hole, municipal pipe connecting hole and water level sensor are preset on underground conservation pool side wall;In contamination filtrating plate seam crossing, contamination filtrating pallet rank seam and waterproof roll are set;Water supply pipe in building, drinking-water pipe after the insertion of top is arranged in the bottom of collecting-tank;Rainwater-collecting slot is connected to building rain pipe;In municipal pipeline connecting tube and municipal pipeline joint, unidirectional Water stop valve is set.The present invention is easy for construction, building top rain water reuse not only may be implemented, and can make full use of outside of the building rainwater.

Description

Rainwater recycle comprehensively utilizes construction method
Technical field
The present invention relates to a kind of rainwater recycles to utilize construction method, in particular to a kind of easy for construction, rainwater recycle Utilization rate is high, can the rainwater recycle of intelligent control comprehensively utilize construction method, belong to building engineering field, be suitable for building Rainwater recycle utilizing works.
Background technique
China's water scarcity, especially most of area centered on city, more than national more than 700 a prefecture-level cities In city, there are nearly 400 urban water shortages or serious water shortage, and at increasing trend.Rainwater is a kind of good fresh water money of nature Source, can be realized through simple process flush the toilet, the function of road surface spraying, greening irrigation, reuse rainwater has significant water-saving efficiency.
Rainwater recycle utilizes system, is after being collected rainwater according to demand, and by the rainwater of collection Reach after reason and meets the system that design uses standard.It is most now to be made of abandoned stream filtration system, water storage system, purification system.
Has a kind of public building rain water on roof using collecting and storage device, the building roof including being obliquely installed catchment Slope;Slope of catchmenting along the bottom end of rainwater flow direction is provided with multiple unit stormwater tanks, and gutter is opening up to be arranged in the horizontal direction, Its transverse ends is connect with the slope lower end of catchmenting of stormwater tank two sides, is equipped with blowdown apparatus under the bottom plate of gutter.The rain of the invention Water is collected and storage device capacity is smaller, and the accumulation of rainwater roofing will increase a possibility that roofing leaks.
A kind of factory's device for recycling rainwater, consists of: production waste water and rainwater-collecting pipeline pass through Vatch basin point It is not connect with balancing tank and rain drainage pipeline;Rain drainage pipeline is connect with settling tank, and rain return water is promoted in settling tank Pump.Structure construction is simpler, convenient for management, but is not able to achieve the automatic control of pumped storage water, it is difficult to solve the row of extra water body Except problem.
Though in conclusion existing rainwater recycle using structure rainwater-collecting, in terms of with certain work With, but structure be difficult to solve building periphery rainwater make full use of and automation control, not can solve the quick row of rainwater dirt Except problem.In consideration of it, the actual needs based on current engineering, urgently invents a kind of easy for construction, rainwater recycle utilization rate at present It is high, can the rainwater recycle of intelligent control comprehensively utilize construction method.
Summary of the invention
The purpose of the present invention is to provide it is a kind of it is easy for construction, rainwater recycle utilization rate is high, can the rainwater of intelligent control return Receive comprehensive utilization construction method.
To realize the above-mentioned technical purpose, the invention adopts the following technical scheme:
A kind of rainwater recycle comprehensive utilization construction method, the structure include that the underground on the outside of building foundation stores Pond, and the collecting-tank set on building roof position, rainwater purification system and rainwater-collecting slot;It is arranged in underground conservation pool There are contamination filtrating plate, reservoir cover board, hole of drawing water;Building roof is collected rainwater and is entered by rainwater-collecting slot and building rain pipe In underground conservation pool, ground rainwater is collected in underground conservation pool by reservoir cover board, extra rainwater in underground conservation pool It is excluded by municipal pipeline connecting tube to city planting ductwork, is unidirectionally intercepted water in municipal pipeline connecting tube and the setting of municipal pipeline joint Valve;Rainwater purification system is arranged in bottom of pond portion of catchmenting, and rainwater after rainwater purification system for building interior lavatory by rushing in collecting-tank Wash use;
The construction method the following steps are included:
(1) it is required according to design size, prepares contamination filtrating plate and reservoir cover board in precast plant, and in reservoir cover board Upper default rain leakage hole and infiltration anti-filter plate laying groove;
(2) collecting-tank, rainwater-collecting slot and rainwater purification system are set at the top of building roof, and in the bottom of collecting-tank Rainwater purification system is set, connect rainwater purification system with water supply pipe in building, water supply pipe in building and building interior urinal supply water Pipe network connection;
(3) underground conservation pool pit-hole is dug in outside of the building, digs hole of drawing water in underground conservation pool pit-hole bottom, underground stores The sidewalls vertical of pond pit-hole, bottom surface are drawn water to bottom cheats inclination;
(4) along the side wall laying water-proof coiled material of underground conservation pool pit-hole and hole of drawing water;
(5) along waterproof roll surface, formwork pours concrete of percolation-proof layer, pours dirt in contamination filtrating plate corresponding position Filter plate buttress;
(6) draw water pipe connected pipe, municipal pipeline connecting tube, rainwater pipe connected pipe after laying in underground conservation pool, and makes The bottom nozzle for pipe connected pipe and the municipal pipeline connecting tube of drawing water afterwards extends in the drawing water and cheat of underground storage bottom of pond portion, and municipal administration pipe The nozzle absolute altitude of road connecting tube draws water the nozzle absolute altitude of pipe connected pipe after being less than;
(7) unidirectional Water stop valve is installed in the outboard end of municipal pipeline connecting tube, water level is installed at the top of underground conservation pool Sensor;
(8) drinking-water pipe after installing, and protrude into the top nozzle of rear drinking-water pipe in collecting-tank, make to build rain pipe and building The rainwater-collecting slot of roofing is connected to by drainpipe;
(9) contamination filtrating plate is lifted to contamination filtrating plate buttress, and pastes waterproof roll in contamination filtrating plate seam crossing Material is laid with wash dirt pipe at the wash dirt pipe limit pipe clamp of contamination filtrating plate;
(10) reservoir cover board is set on underground conservation pool top, and anti-in infiltration anti-filter plate laying groove location laying infiltration Filter plate.
The contamination filtrating plate is using pervious concrete plate or foamed ceramic filter plate or permeable plastic plate, in downwardly convex Arc limits pipe clamp, the both sides of contamination filtrating plate and contamination filtrating along contamination filtrating plate elevation lowest part setting wash dirt pipe The overlap joint connection of plate buttress.
The municipal pipeline connecting tube is used for underground conservation pool dirt simultaneously and excludes and extra rainwater abstraction, unidirectional Water stop valve Using electronic unidirectional Water stop valve.
The reservoir cover board uses armoured concrete slab, and bar shaped is arranged in quincunx uniform intervals on reservoir cover board Rain leakage hole, infiltration anti-filter plate insertion are seeped water in anti-filter plate laying groove.
When water level reaches water level sensor elevation in underground conservation pool, meeting synchronous averaging suction pump and unidirectional Water stop valve, Extra rainwater is drained into outside underground conservation pool by municipal pipeline connecting tube.
The rainwater-collecting slot position is in inverted trapezoidal, is laid with waterproof roll liner in rainwater-collecting slot in building roof edge, The drainpipe that the setting of rainwater-collecting trench bottom is connected to building rain pipe.
The wash dirt pipe use plastic tube or steel pipe, wash dirt pipe it is closed at one end, along the side of wash dirt pipe Wall opens up flushing hole.
The infiltration anti-filter plate uses porous plastics plate or pervious concrete plate.
The present invention has the characteristics that following and beneficial effect
(1) rainwater recycle comprehensive utilization structure can be used to collect simultaneously ground rainwater and building rain water pipe rain water, and realization is built Build the effective use of construction area rainwater.
(2) contamination filtrating plate is in downwardly convex arc, is not only advantageous to collecting, handling for rainwater, and be convenient for rainwater mistake Filter the flushing of dirt.
(3) bar shaped rain leakage hole is arranged in reservoir cover board, and infiltration anti-filter plate is arranged on bar shaped rain leakage hole top, It can prevent water storage cover board from blocking.
Detailed description of the invention
Fig. 1 is rainwater recycle comprehensive utilization structure transverse face schematic diagram of the present invention.
Fig. 2 is Fig. 1 contamination filtrating plate seam crossing skiagraph.
Fig. 3 is Fig. 1 reservoir cover board floor map.
Fig. 4 is rainwater recycle comprehensive utilization schematic diagram.
In figure: 1- underground conservation pool;2- contamination filtrating plate;3- reservoir cover board;4- rain leakage hole;5- infiltration anti-filter plate Laying groove;6- infiltration anti-filter plate;7- building roof;8- collecting-tank;9- rainwater-collecting slot;10- water supply pipe in building;11- draws water hole; 12- waterproof roll;13- concrete of percolation-proof layer;14- contamination filtrating plate buttress;Draw water pipe connected pipe after 15-;16- municipal pipeline Connecting tube;17- rainwater pipe connected pipe;The unidirectional Water stop valve of 18-;19- water level sensor;Drinking-water pipe after 20-;21- builds rain pipe; 22- wash dirt pipe;23- wash dirt pipe limits pipe clamp;24- rainwater purification system;25- drainpipe;26- rinses hole;27- Suction pump;28- contamination filtrating plate seam;The outside of the building 29- road.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with Detailed description of the invention, but the present embodiment is not used to limit The system present invention, it is all using similar structure and its similar variation of the invention, protection scope of the present invention should all be included in.
The requirement of underground conservation pool pit-hole excavation construction technology, contamination filtrating plate design and construction technical requirements, reservoir lid Plate design and construction technical requirements, pipeline lay construction technical requirement etc., repeat no more in present embodiment, emphasis illustrates this hair It is bright to be related to the embodiment of structure.
Fig. 1 is rainwater recycle comprehensive utilization structure transverse face schematic diagram of the present invention, and Fig. 2 is Fig. 1 contamination filtrating plate seam crossing Skiagraph, Fig. 3 are Fig. 1 reservoir cover board floor map.Fig. 4 is rainwater recycle comprehensive utilization schematic diagram.
Shown in referring to Fig.1~Fig. 3, rainwater recycle comprehensive utilization structure includes the underground conservation pool on the outside of building foundation 1, and collecting-tank 8, rainwater purification system 24 and rainwater-collecting slot 9 set on building roof position, it is set in underground conservation pool 1 It is equipped with contamination filtrating plate 2, reservoir cover board 3, hole 11 of drawing water, building roof collects rainwater and passes through rainwater-collecting slot 9 and building rain Water pipe 21 enters in underground conservation pool 1, and ground rainwater is collected in underground conservation pool 1 by reservoir cover board 3, underground conservation pool Interior 1 extra rainwater is excluded by municipal pipeline connecting tube 16 to city planting ductwork, in municipal pipeline connecting tube 16 and municipal pipeline Unidirectional Water stop valve 18 is arranged in joint;Rainwater purification system 24 is arranged in 8 bottom of collecting-tank.Rainwater is net by rainwater in collecting-tank 8 By water supply pipe in building 10 for building interior lavatory flushing after change system 24.
Underground conservation pool 1 is in band-like, wide 2m, depth 1m, along the setting of building periphery.In the bottom middle part of underground conservation pool 1 Hole 11 of drawing water is arranged at 1 in bit interval 10m, and draw water hole 11 width 1m, depth 0.5m.
Long 2m, width 1m, thickness 40mm is made using pervious concrete plate in contamination filtrating plate 2, and cross section is in downwardly convex arc, Pipe clamp 23 is limited along 2 elevation lowest part of contamination filtrating plate setting wash dirt pipe, wash dirt pipe limits pipe clamp 23 and uses internal diameter For the stainless steel pipe clamp of 50mm.Contamination filtrating plate seam 28 is set in 2 joint of contamination filtrating plate, contamination filtrating plate seam is in height The step of 20mm, width 20mm.Laying water-proof coiled material 12 at the contamination filtrating plate seam 28 of contamination filtrating plate 2 that connects, waterproof roll Material 12 uses malthoid geotextiles coiled material.Wash dirt pipe 22 uses diameter for the stainless steel tube of 40mm, along wash dirt pipe 22 A flushing hole 26 is arranged every 1m in tube wall, and the diameter for rinsing hole is 20mm.
Reservoir cover board 3 uses Reinforced Concrete Materials, with a thickness of 100mm, width 3m, along the top of underground conservation pool 1 It lays in portion.Bar shaped rain leakage hole 4, rain leakage hole 4 width 2cm, length are set in quincunx uniform intervals on reservoir cover board 3 30cm.Infiltration anti-filter plate laying groove 5 is preset on reservoir cover board 3, seep water 5 width 10cm of anti-filter plate laying groove, is parallel to water storage Pond cover board 3 is in band-like laying.
The anti-filter plate 6 that seeps water uses porous plastics plate.Building roof 7 is reinforced concrete prefabricated board, plate thickness 150mm.
Collecting-tank 8 is located at building upper panel, and the length is 5m, width 5m, a height of 1.5m, sets in 8 bottom of reservoir Set rainwater purification system 24.Rainwater purification system 24 uses absorption method rainwater purification processor.Rainwater is through rainwater purification system 24 Afterwards by water supply pipe in building 10 to water supply in building.Water supply pipe in building 10 uses the pvc pipe of diameter 110mm.
9 cross section of rainwater-collecting slot is in inverted trapezoidal, top width 500mm, bottom width 200mm, high 200mm.At 9 bottom of rainwater-collecting slot A drainpipe 25 is arranged towards 1 side interval 5m of underground conservation pool in portion.Drainpipe 25 uses the pvc pipe of diameter 90mm.
Concrete of percolation-proof layer 13 thickness 50mm, strength grade C35.
Contamination filtrating plate buttress 14 uses concreting, strength grade of concrete C35, top width 100mm, high 100mm.
After draw water pipe connected pipe 15, municipal pipeline connecting tube 16, rainwater pipe connected pipe 17, rear drinking-water pipe 20, building rainwater Pipe 21 is all made of the pvc pipe of diameter 150mm.
Unidirectional Water stop valve 18 uses electronic unidirectional Water stop valve.Water level sensor 19, water are installed at the top of underground conservation pool Level sensor 19 uses ranging water level sensor.
Suction pump 27 is set at the top of underground conservation pool, using electric centrifugal suction pump.
Outside of the building road 29 uses cement concrete pavement structure.
The construction method of above-mentioned rainwater recycle comprehensive utilization structure, including following construction procedure:
(1) it is required according to design size, prepares contamination filtrating plate 2 and reservoir cover board 3 in precast plant, and in reservoir lid Rain leakage hole 4 and infiltration anti-filter plate laying groove 5 are preset on plate 3;
(2) collecting-tank 8, rainwater-collecting slot 9 and rainwater purification system 24 are set at the top of building roof 7, and in collecting-tank 8 Bottom be arranged rainwater purification system 24, connect rainwater purification system 24 with water supply pipe in building 10, water supply pipe in building 10 with build Build internal urinal water supply network connection;
(3) 1 pit-hole of underground conservation pool is dug in outside of the building, digs hole 11 of drawing water, ground in 1 pit-hole bottom of underground conservation pool The sidewalls vertical of lower 1 pit-hole of reservoir, bottom surface are drawn water to bottom cheats 11 inclinations;
(4) along the side wall laying water-proof coiled material 12 of 1 pit-hole of underground conservation pool and hole 11 of drawing water;
(5) along waterproof roll surface, formwork pours concrete of percolation-proof layer 13, pours dirt in 2 corresponding position of contamination filtrating plate Object filter plate buttress 14;
(6) draw water pipe connected pipe 15, municipal pipeline connecting tube 16, rainwater pipe connected pipe after laying in underground conservation pool 1 17, and the bottom nozzle of draw water after making pipe connected pipe 15 and municipal pipeline connecting tube 16 extends to drawing water for 1 bottom of underground conservation pool In hole 11, and the nozzle absolute altitude of municipal pipeline connecting tube 16 be less than after draw water the nozzle absolute altitude of pipe connected pipe 15;
(7) unidirectional Water stop valve 18 is installed in the outboard end of municipal pipeline connecting tube 16, is installed at the top of underground conservation pool 1 Water level sensor 19;
(8) drinking-water pipe 20 after installing, and protrude into the top nozzle of rear drinking-water pipe 20 in collecting-tank 8, make to build rain pipe 21 are connected to the rainwater-collecting slot 9 of building roof 7 by drainpipe 25;
(9) contamination filtrating plate 2 is lifted to contamination filtrating plate buttress 14, and pastes and prevents at contamination filtrating plate seam 28 Water coiled material 12 is laid with wash dirt pipe 22 at the wash dirt pipe limit pipe clamp 23 of contamination filtrating plate 2;
(10) reservoir cover board 3 is set on 1 top of underground conservation pool, and is laid with and seeps at infiltration 5 position of anti-filter plate laying groove Water anti-filter plate 6.

Claims (5)

1. a kind of rainwater recycle comprehensively utilizes construction method, which is characterized in that the structure includes being set to outside building foundation The underground conservation pool of side, and the collecting-tank set on building roof position, rainwater purification system and rainwater-collecting slot;It is stored in underground Contamination filtrating plate, reservoir cover board, hole of drawing water are provided in pond;Building roof collects rainwater and passes through rainwater-collecting slot and building Rain pipe enters in underground conservation pool, and ground rainwater is collected in underground conservation pool by reservoir cover board, in underground conservation pool Extra rainwater is excluded by municipal pipeline connecting tube to city planting ductwork, is set in municipal pipeline connecting tube and municipal pipeline joint Unidirectional Water stop valve is set, unidirectional Water stop valve uses electronic unidirectional Water stop valve;Rainwater purification system is arranged in bottom of pond portion of catchmenting, in collecting-tank Rainwater pass through rainwater purification system after for building interior lavatory flushing;The contamination filtrating plate uses pervious concrete plate or bubble Wash dirt pipe is arranged along contamination filtrating plate elevation lowest part in downwardly convex arc in foam ceramic filter plate or permeable plastic plate Pipe clamp is limited, the both sides of contamination filtrating plate and contamination filtrating plate buttress overlap joint connect;The reservoir cover board uses reinforced concrete Bar shaped rain leakage hole, infiltration anti-filter plate insertion infiltration anti-filter is arranged in quincunx uniform intervals on reservoir cover board in native plate In plate laying groove;
The construction method the following steps are included:
(1) it is required according to design size, prepares contamination filtrating plate and reservoir cover board in precast plant, and is pre- on reservoir cover board If rain leakage hole and infiltration anti-filter plate laying groove;
(2) collecting-tank, rainwater-collecting slot and rainwater purification system are set at the top of building roof, and are arranged in the bottom of collecting-tank Rainwater purification system connect rainwater purification system with water supply pipe in building, water supply pipe in building and building interior urinal water supply network Connection;
(3) underground conservation pool pit-hole is dug in outside of the building, digs hole of drawing water, underground conservation pool in underground conservation pool pit-hole bottom The sidewalls vertical of pit-hole, bottom surface are drawn water to bottom cheats inclination;
(4) along the side wall laying water-proof coiled material of underground conservation pool pit-hole and hole of drawing water;
(5) along waterproof roll surface, formwork pours concrete of percolation-proof layer, pours contamination filtrating in contamination filtrating plate corresponding position Plate buttress;
(6) draw water pipe connected pipe, municipal pipeline connecting tube, rainwater pipe connected pipe after laying in underground conservation pool, and takes out after making The bottom nozzle of water pipe joint and municipal pipeline connecting tube extends in the drawing water and cheat of underground storage bottom of pond portion, and municipal pipeline connects The nozzle absolute altitude of adapter tube draws water the nozzle absolute altitude of pipe connected pipe after being less than;
(7) unidirectional Water stop valve is installed in the outboard end of municipal pipeline connecting tube, level sensor is installed at the top of underground conservation pool Device;
(8) drinking-water pipe after installing, and protrude into the top nozzle of rear drinking-water pipe in collecting-tank, make to build rain pipe and building roof Rainwater-collecting slot pass through drainpipe be connected to;
(9) contamination filtrating plate is lifted to contamination filtrating plate buttress, and pastes waterproof roll in contamination filtrating plate seam crossing, Wash dirt pipe is laid at the wash dirt pipe limit pipe clamp of contamination filtrating plate;
(10) reservoir cover board is set on underground conservation pool top, and is laid with groove location in infiltration anti-filter plate and is laid with infiltration anti-filter Plate.
2. a kind of rainwater recycle according to claim 1 comprehensively utilizes construction method, it is characterised in that: when underground stores When water level reaches water level sensor elevation in pond, meeting synchronous averaging suction pump and unidirectional Water stop valve pass through extra rainwater Municipal pipeline connecting tube drains into outside underground conservation pool.
3. a kind of rainwater recycle according to claim 1 comprehensively utilizes construction method, it is characterised in that: the rainwater Collecting tank is located at building roof edge, is in inverted trapezoidal, waterproof roll liner is laid in rainwater-collecting slot, rainwater-collecting trench bottom is set Set the drainpipe being connected to building rain pipe.
4. a kind of rainwater recycle according to claim 1 comprehensively utilizes construction method, it is characterised in that: the dirt Flushing pipe use plastic tube or steel pipe, wash dirt pipe it is closed at one end, open up flushing hole along the side wall of wash dirt pipe.
5. a kind of rainwater recycle according to claim 1 comprehensively utilizes construction method, it is characterised in that: the infiltration Anti-filter plate uses porous plastics plate or pervious concrete plate.
CN201710021018.3A 2017-01-12 2017-01-12 Rainwater recycle comprehensively utilizes construction method Active CN106703157B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106703157B true CN106703157B (en) 2019-07-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1523171A (en) * 2003-09-11 2004-08-25 李岱林 Method and system for secondary utilization of storied building sanitary sewage
WO2009100467A1 (en) * 2008-02-08 2009-08-13 Christelle Nagel Rain water recirculation
CN102284202A (en) * 2011-05-27 2011-12-21 青岛东宇水处理设备开发有限公司 Water filter equipment
CN205116369U (en) * 2015-10-28 2016-03-30 湖州妙峰园林工程有限公司 Double -deck filtration formula rain rill structure
CN105839755A (en) * 2016-03-30 2016-08-10 江苏大学 Roof rainwater collecting system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1523171A (en) * 2003-09-11 2004-08-25 李岱林 Method and system for secondary utilization of storied building sanitary sewage
WO2009100467A1 (en) * 2008-02-08 2009-08-13 Christelle Nagel Rain water recirculation
CN102284202A (en) * 2011-05-27 2011-12-21 青岛东宇水处理设备开发有限公司 Water filter equipment
CN205116369U (en) * 2015-10-28 2016-03-30 湖州妙峰园林工程有限公司 Double -deck filtration formula rain rill structure
CN105839755A (en) * 2016-03-30 2016-08-10 江苏大学 Roof rainwater collecting system

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