CN108374447B - Roof rainwater collecting and utilizing system - Google Patents

Roof rainwater collecting and utilizing system Download PDF

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Publication number
CN108374447B
CN108374447B CN201810485312.4A CN201810485312A CN108374447B CN 108374447 B CN108374447 B CN 108374447B CN 201810485312 A CN201810485312 A CN 201810485312A CN 108374447 B CN108374447 B CN 108374447B
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China
Prior art keywords
rain
roof
reservoir
pipe
rainwater
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CN201810485312.4A
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Chinese (zh)
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CN108374447A (en
Inventor
杨奇飞
项军
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Shenzhen Aoya Ecological Technology Co ltd
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Shenzhen Aoya Ecological Technology Co ltd
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Priority to CN201810485312.4A priority Critical patent/CN108374447B/en
Publication of CN108374447A publication Critical patent/CN108374447A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • 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
    • 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
    • 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
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/04Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041Greywater supply systems
    • E03B2001/047Greywater supply systems using rainwater
    • 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
    • E04D2013/0873Rain water reservoirs integrated in down pipes
    • 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 discloses a roof rainwater collecting and utilizing system. The roof is provided with at least one reservoir, a common rain drop pipe (2) and a pressure-bearing rain drop pipe (3) are arranged in the reservoir, the water inlet of the common rain drop pipe (2) is higher than the bottom surface (5) of the reservoir and leads to an outdoor rain pipe network (6), the water inlet of the pressure-bearing rain drop pipe (3) is flush with the bottom surface (5) of the reservoir, extends to the ground along an outer wall and is divided into two paths to be respectively connected to the outdoor rain pipe network (6) and a rain water secondary utilization pipe network (7), a first switch valve (60) is connected to a pipeline in front of the outdoor rain water pipe network (6), a second switch valve (70) is connected to a pipeline in front of the rain water secondary utilization pipe network (7), the reservoir can be used for accumulating rain water through the opening and closing control of the first switch valve (60) and the second switch valve (70), the accumulated rain water is automatically overflowed, and is discharged to the outdoor rain water pipe network (6) when the accumulated rain water is required to be utilized. The invention can be widely applied to the field of construction.

Description

Roof rainwater collecting and utilizing system
Technical Field
The invention relates to a roof rainwater collecting and utilizing system.
Background
China is a country with relatively poor water resources, and the severity water-deficient city accounts for more than half. Open source and throttle are effective ways to alleviate urban water shortage crisis. As a natural resource, the rainwater recycling can not only slow down the pressure of a municipal rainwater pipe network, but also relieve urban flood disasters. In green buildings, rainwater recycling is a key water-saving technical measure, such as preventing landscape water from adopting municipal water, and reducing non-drinking water such as green watering, square road flushing and the like from adopting municipal water. In green architectural design, the rainwater after the processing is mainly used for greening watering, landscape water body moisturizing and road square flushing, and the process flow is generally as follows: the outdoor initial rainwater discarding device comprises a reservoir, a filtering tank, a clean water tank, sterilization and disinfection and recycling. In order to facilitate operation and management, the system is generally arranged in a basement, and has the advantages of large occupied area, large volume, long flow, multiple devices and capability of changing the functional layout of the basement only because of a plurality of green buildings. At present, the roof has the problem that the temperature of the roof is too high in summer, so that the indoor temperature is high, and the refrigeration energy is wasted.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art, and provides a roof rainwater collecting and utilizing system which does not occupy the ground and the basement, saves space, saves cost, improves economic benefit, has the functions of water storage, peak shaving, pipe network drainage load reduction and roof cooling, and can reduce the energy consumption of the system to realize the integration of land saving, energy saving, water saving and environmental protection.
The technical scheme adopted by the invention is as follows: the roof is provided with at least one reservoir, be equipped with a plurality of ordinary rainwater fall pipe and at least one pressure-bearing rainwater fall pipe in the reservoir, ordinary rainwater fall pipe's water inlet exceeds the bottom surface of reservoir and leads to outdoor rainwater pipe network, so that the rainwater overflow of accumulation is discharged to outdoor rainwater pipe network, pressure-bearing rainwater fall pipe's water inlet with the bottom surface parallel and level of reservoir to extend along the outer wall and divide into two ways and be connected to outdoor rainwater pipe network, rainwater reuse pipe network respectively, connect first ooff valve on the pipeline before the outdoor rainwater pipe network, connect the second ooff valve on the pipeline before the rainwater reuse pipe network, first ooff valve when the second ooff valve is all closed, the cistern is used for accumulating the rainwater, when the rainwater of accumulation overflows the water inlet of ordinary rainwater fall pipe, automatic overflow is passed through ordinary rainwater fall pipe network and is discharged, when the rainfall is too big or need empty when maintaining, first ooff valve opens, makes the rainwater of accumulation discharge to outdoor rainwater, when needs to utilize the rainwater of accumulation valve, second ooff valve is closed when the second ooff valve is opened.
The first switch valve and the second switch valve are all electric control valves.
The first switch valve and the second switch valve are connected with a remote control end in a wired or wireless mode so as to be controlled remotely through the remote control end.
The top of ordinary rain fall pipe the pressure-bearing type rain fall pipe all is equipped with the protection filter mantle.
The size of the water inlet of the common rain drop pipe, which is higher than the bottom surface of the reservoir, is 5-30 cm.
The rainwater secondary utilization pipe network is connected with water equipment such as outdoor greening, car washing and the like.
The gradient of the bottom surface of the reservoir is 1% -5%, and the water inlet of the pressure-bearing type rain drop pipe is positioned at the lowest point of the bottom surface of the reservoir.
The roof is a roof of a building.
The beneficial effects of the invention are as follows: because the roof is provided with at least one reservoir, a plurality of common rain pipes and at least one pressure-bearing rain pipe are arranged in the reservoir, the water inlet of the common rain pipe is higher than the bottom surface of the reservoir and leads to an outdoor rain pipe network, so that accumulated rain water overflows and is discharged to the outdoor rain pipe network, the water inlet of the pressure-bearing rain pipe is flush with the bottom surface of the reservoir and extends to the ground along an outer wall and is divided into two paths to be respectively connected to the outdoor rain pipe network and a rain water secondary utilization pipe network, a pipeline in front of the outdoor rain pipe network is connected with a first switch valve, a pipeline in front of the rain water secondary utilization pipe network is connected with a second switch valve, when the first switch valve and the second switch valve are closed, the reservoir is used for accumulating rain water, when the accumulated rain water overflows through the water inlet of the common rain pipe, the first switch valve is opened when the accumulated rain water exceeds the common rain water pipe, and the accumulated rain water is discharged to the outdoor rain water pipe network, when the accumulated rain water is excessively large or needs to be emptied, the first switch valve is opened, so that the accumulated rain water is discharged to the outdoor rain water is needed to be utilized, and the first switch valve is opened when the accumulated rain water is needed to be utilized, and the second switch valve is closed; the invention uses the roof idle area as the water storage device, does not occupy the ground and basement resources, overcomes the defects of long flow and complex equipment of the existing rainwater recycling system, realizes rainwater accumulation, recovery and reutilization, does not influence the basement function layout of the building, can reduce the roof temperature, saves refrigeration energy, and has multiple purposes; the roof rainwater collecting and utilizing system has the advantages of occupying no floor and basement, saving space, saving cost, improving economic benefit, storing water, regulating peak, reducing drainage load of a pipe network and reducing temperature of a roof, and can reduce energy consumption of the system and realize the integration of land saving, energy saving, water saving and environmental protection.
Drawings
FIG. 1 is a schematic plan layout view of a roof rainwater collection and utilization system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a roof rain drain cross-section of an embodiment of the present invention;
FIG. 3 is a schematic view of another cross-sectional profile of a roof rain drain according to an embodiment of the invention.
Detailed Description
As shown in fig. 1 to 3, in the roof rainwater collecting and utilizing system according to the embodiment of the present invention, the roof is a roof of a high-rise building, a plurality of reservoirs 10, 11, 12 and … … are provided on the roof, and can be flexibly set according to the layout condition of the building roof, a pedestrian passageway is provided between the reservoirs, a plurality of common rainwater pipes 2 and a pressure-bearing rainwater pipe 3 are provided in each reservoir 10, 11, 12 and … …, the common rainwater pipes 2 and the top of the pressure-bearing rainwater pipe 3 are both provided with protective filter covers 8 for filtering larger-particle impurities, so as to avoid blocking, the water inlet of the common rainwater pipe 2 is higher than the bottom surface 5 of the reservoir and leads to an outdoor rainwater pipe network 6, so that the accumulated rainwater overflows to the outdoor rainwater pipe network 6, the water inlet of the common rainwater pipe 2 is higher than the bottom surface 5 of the reservoir by 5-30 cm, calculation and selection can be performed according to the required water storage capacity, and structural load analysis are considered, and the roof is set to be 3kN/m according to the national building design specification, and the living load measurement is performed according to the national building design specification 2 The average water storage of the roof is not more than 30cm, so that the requirements of design specifications can be met, the rainwater load is safe and reliable, and in the embodiment, the common rain fallsThe water inlet of the pipe 2 is 10cm higher than the bottom surface 5 of the reservoir, the water inlet of the pressure-bearing type rain drop pipe 3 is flush with the bottom surface 5 of the reservoir, extends to the ground along the outer wall and is divided into two paths which are respectively connected to the outdoor rain pipe network 6 and the rain water secondary utilization pipe network 7, the gradient of the bottom surface 5 of the reservoir is 1% -5%, the water inlet of the pressure-bearing type rain drop pipe 3 is positioned at the lowest point of the bottom surface 5 of the reservoir, the drainage is convenient, a first switch valve 60 is connected on a pipeline in front of the outdoor rain pipe network 6, a second switch valve 70 is connected on a pipeline in front of the rain water secondary utilization pipe network 7, the first switch valve 60 and the second switch valve 70 are all electric control valves, such as electromagnetic valves, the first switch valve 60 and the second switch valve 70 are connected with a remote control end in a wired or wireless mode, in order to carry out remote control through the remote control end, the remote control end can be a computer control device of a total control room of a building or a community, and can also be a mobile phone control end, and is convenient to operate, when the first switch valve 60 and the second switch valve 70 are closed, such as in a medium rain mode and a small rain mode, the reservoir is used for accumulating rainwater, when the accumulated rainwater is overflowed through the water inlet of the common rain drop pipe 2 under the condition of excessive rainfall, the accumulated rainwater automatically overflows and is discharged out of flood discharge through the common rain drop pipe 2, when emptying maintenance is needed, the first switch valve 60 is opened, the accumulated rainwater is discharged to the outdoor rainwater pipe network 6, when the accumulated rainwater is needed to be utilized, the first switch valve 60 is closed, the second switch valve 70 is opened, the accumulated rainwater is utilized through the rainwater reutilization pipe network 7, the rainwater secondary utilization pipe network 7 is connected with water using equipment such as outdoor greening, car washing and the like.
In this embodiment, the roof rainwater is stored in the reservoir located on the roof, the storage area is about 30 to 50% of the roof area, and the reservoir can control the rainwater in the roof area when the rainfall does not exceed a certain value. When the rainfall exceeds a certain value, excessive rainwater overflows through the common rain drop pipe 2, so that the rainfall can be controlled in a certain range within the range of the roof. Water in the reservoir is discharged along the pressure-bearing type rain drop pipe 3 by using self gravity, and the water can be used for flushing a basement garage, sprinkling on the ground in a green mode and the like. As in this embodiment, according to the calculation, the water amount in the reservoir can be set to be the amount used for 2 days, so the roof reservoir has energy-regulating capability similar to that of sponge water absorption, and thus the large-area popularization can be used for the concept of 'sponge city'. And (3) water quality analysis: because the roof is normally a non-accessible roof and has higher height, the water body is difficult to be polluted by dust, leaves and other impurities, and therefore, the water quality of the roof rainwater can meet the requirements of garage flushing and greening watering. Economic analysis: taking this embodiment as an example, if a 200 cubic meter reservoir is arranged in the basement, the occupied basement area will exceed 150 square meters, and taking the price of a certain place as an example, the value of the reservoir exceeds 500 ten thousand yuan, and the manufacturing cost of the 200 cubic meter reservoir will also exceed 50 ten thousand yuan, so the scheme can bring economic benefit of 550 ten thousand yuan to the first party. Maintenance convenience analysis: most of roof impounding reservoirs are open type, so that people can conveniently clean the roof impounding reservoirs regularly, and the period of water storage is 2-3 days, so that the roof impounding reservoirs are relatively easy to prevent breeding of mosquitoes and other treatments. Necessity analysis: the project of this embodiment is commercial building, and roof area is great, and in order to protect inside wholeness, can't be with rainwater fall pipe lug connection to the ground layer, consequently can't excrete roof rainwater to ground and handle, in order to improve the regional rainfall control rate of roof, must set up rainwater regulation facility, roof setting up regulation pond also is very necessary.
The invention uses the roof idle area as the water storage device, does not occupy the ground and basement resources, overcomes the defects of long flow and complex equipment of the existing rainwater recycling system, realizes rainwater accumulation, recovery and reutilization, does not influence the basement function layout of the building, can reduce the roof temperature, saves refrigeration energy, and has multiple purposes; the roof rainwater collecting and utilizing system has the advantages of occupying no floor and basement, saving space, saving cost, improving economic benefit, storing water, regulating peak, reducing drainage load of a pipe network and reducing temperature of a roof, and can reduce energy consumption of the system and realize the integration of land saving, energy saving, water saving and environmental protection.
The invention can be widely applied to the field of construction.

Claims (6)

1. A roof rainwater collection and utilization system, which is characterized in that: the roof is provided with at least one reservoir, a plurality of common rain pipes (2) and at least one pressure-bearing rain pipe (3) are arranged in the reservoir, the water inlet of the common rain pipe (2) is higher than the bottom surface (5) of the reservoir and leads to an outdoor rain pipe network (6), so that accumulated rain water overflows and is discharged to the outdoor rain pipe network (6), the water inlet of the common rain pipe (2) is higher than the bottom surface (5) of the reservoir by 5-30 cm, the water inlet of the pressure-bearing rain pipe (3) is flush with the bottom surface (5) of the reservoir, and extends to the ground along an outer wall and is divided into two paths, and is respectively connected to the outdoor rain pipe network (6) and the rain water reutilization pipe network (7), the gradient of the bottom surface (5) of the reservoir is 1% -5%, the water inlet of the pressure-bearing rain pipe (3) is positioned at the lowest point of the bottom surface (5) of the reservoir, a first switch valve (60) is connected to a pipeline in front of the outdoor rain pipe network (6), the second switch (7) is connected to the second switch (70), when the rain water overflows and is discharged to the common rain water pipe (70) and is discharged to the common rain pipe (70), the first switch valve (60) is opened to enable accumulated rainwater to be discharged to the outdoor rainwater pipe network (6), when the accumulated rainwater needs to be utilized, the first switch valve (60) is closed, the second switch valve (70) is opened, and the accumulated rainwater is utilized through the rainwater secondary utilization pipe network (7).
2. The roof rainwater collection and utilization system according to claim 1, wherein: the first switch valve (60) and the second switch valve (70) are all electric control valves.
3. The roof rainwater collection and utilization system according to claim 2, wherein: the first switch valve (60) and the second switch valve (70) are connected with a remote control end in a wired or wireless mode so as to be remotely controlled through the remote control end.
4. The roof rainwater collection and utilization system according to claim 1, wherein: the top of the common rain drop pipe (2) and the top of the pressure-bearing rain drop pipe (3) are respectively provided with a protective filter cover (8).
5. The roof rainwater collection and utilization system according to claim 1, wherein: the rainwater secondary utilization pipe network (7) is connected with outdoor greening and car washing water equipment.
6. The roof rainwater collection and utilization system according to claim 1, wherein: the roof is a roof of a building.
CN201810485312.4A 2018-05-21 2018-05-21 Roof rainwater collecting and utilizing system Active CN108374447B (en)

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Application Number Priority Date Filing Date Title
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CN108374447B true CN108374447B (en) 2024-02-09

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1920192A (en) * 2006-09-08 2007-02-28 杨继新 Method for collecting and utilizing rain water
CN201874032U (en) * 2010-12-07 2011-06-22 王谛 System for collecting and utilizing rainwater on roof
CN103183426A (en) * 2011-12-30 2013-07-03 王炜 Roof rainwater recovery treatment process
CN103485409A (en) * 2013-08-11 2014-01-01 深圳市文浩建材科技有限公司 Comprehensive processing and utilizing system for rainwater and domestic sewage
CN204551684U (en) * 2015-04-12 2015-08-12 朱加林 Green building rainwater ecological utilization system
CN106088215A (en) * 2016-08-11 2016-11-09 安徽海沃特水务股份有限公司 A kind of non-negative pressure water service system and control method
CN206428782U (en) * 2016-12-09 2017-08-22 江苏龙腾工程设计股份有限公司 Rainwater-collecting reclaiming system
CN206521881U (en) * 2016-12-07 2017-09-26 南京兴华建筑设计研究院股份有限公司 Building roof rainwater collection irrigation system
CN107306703A (en) * 2017-08-03 2017-11-03 重庆水利电力职业技术学院 Intelligent irrigation system and irrigation method
CN208201983U (en) * 2018-05-21 2018-12-07 深圳市奥亚生态科技有限公司 A kind of roof rain water collecting utilizes system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1920192A (en) * 2006-09-08 2007-02-28 杨继新 Method for collecting and utilizing rain water
CN201874032U (en) * 2010-12-07 2011-06-22 王谛 System for collecting and utilizing rainwater on roof
CN103183426A (en) * 2011-12-30 2013-07-03 王炜 Roof rainwater recovery treatment process
CN103485409A (en) * 2013-08-11 2014-01-01 深圳市文浩建材科技有限公司 Comprehensive processing and utilizing system for rainwater and domestic sewage
CN204551684U (en) * 2015-04-12 2015-08-12 朱加林 Green building rainwater ecological utilization system
CN106088215A (en) * 2016-08-11 2016-11-09 安徽海沃特水务股份有限公司 A kind of non-negative pressure water service system and control method
CN206521881U (en) * 2016-12-07 2017-09-26 南京兴华建筑设计研究院股份有限公司 Building roof rainwater collection irrigation system
CN206428782U (en) * 2016-12-09 2017-08-22 江苏龙腾工程设计股份有限公司 Rainwater-collecting reclaiming system
CN107306703A (en) * 2017-08-03 2017-11-03 重庆水利电力职业技术学院 Intelligent irrigation system and irrigation method
CN208201983U (en) * 2018-05-21 2018-12-07 深圳市奥亚生态科技有限公司 A kind of roof rain water collecting utilizes system

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