CN203256980U - Roof rainwater collection and resource utilization system - Google Patents

Roof rainwater collection and resource utilization system Download PDF

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Publication number
CN203256980U
CN203256980U CN2013201966797U CN201320196679U CN203256980U CN 203256980 U CN203256980 U CN 203256980U CN 2013201966797 U CN2013201966797 U CN 2013201966797U CN 201320196679 U CN201320196679 U CN 201320196679U CN 203256980 U CN203256980 U CN 203256980U
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CN
China
Prior art keywords
layer
roof
water
rainwater collection
storage
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.)
Expired - Fee Related
Application number
CN2013201966797U
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Chinese (zh)
Inventor
王江海
王晓晨
郑毅
王超
张新波
赵新华
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.)
TIANJIN HUANYA BUILDING ENGINEERING ENVIRONMENT QUALITY INSPECTION Co Ltd
Tianjin University
Original Assignee
TIANJIN HUANYA BUILDING ENGINEERING ENVIRONMENT QUALITY INSPECTION Co Ltd
Tianjin University
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Application filed by TIANJIN HUANYA BUILDING ENGINEERING ENVIRONMENT QUALITY INSPECTION Co Ltd, Tianjin University filed Critical TIANJIN HUANYA BUILDING ENGINEERING ENVIRONMENT QUALITY INSPECTION Co Ltd
Priority to CN2013201966797U priority Critical patent/CN203256980U/en
Application granted granted Critical
Publication of CN203256980U publication Critical patent/CN203256980U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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 utility model discloses a roof rainwater collection and resource utilization system, which comprises a green roof system and a rainwater collection system, wherein a roof structure layer is arranged on the bottommost layer of the green roof system, a waterproof layer, a root-proof layer, a storage and drainage layer, a filter layer, a light packing layer, a planting soil layer and a vegetable layer are orderly arranged on the roof structure layer from bottom to top, the light packing layer is a mixed layer of perlite and vermiculite, and the storage and drainage layer is a light storage and drainage plate. Rainwater is stored in a reservoir after being treated through the green roof system, and is pumped to outdoor green spaces or landscape facilities. The roof rainwater collection and resource utilization system can purify air and beauty environment, is less in investment cost compared with the prior art and high in economic benefit, and improves environmental and social benefits.

Description

Roof rainwater collection and resource utilization system
Technical field
The utility model belongs to the urban water supply and sewerage field, and the application and the roof rainwater collection that are specifically related to green roof utilize system.
Background technology
Along with the development of society and increasing of the size of population, China increasingly sharpens to the growth of water demand and the contradiction between the shortage of water resources, therefore, utilizes fully all available water resources extremely important for improving China's water resources situation.Existing studies show that, the water quality of rain water on roof are relatively clean, just can directly utilize through simple process.Traditional rain water on roof utilizes flow process to be: underground water etc. is used, recharges in roof rainwater collection → initial Split-flow device → regulating reservoir → rainwater treatment device → clear water reserviors → greening.And the problem that the rain water on roof utilization faces has: it is higher that initial Split-flow device and investment cost must be set.The application of green roof not only can reduce rainfall runoff and flood peak clipping, and can purify water, and plays certain Effect of Pretreatment, and simultaneously it also has the ecological effect such as purify air, beautify the environment.The utility model is intended in traditional rainwater utilization flow process, the green roof system that adds particular refinement, and according to the purpose of utilizing in later stage, proposing the new flow process of utilizing is: green roof → rainwater-collecting → reservoir → be directly used in greening etc., thereby the devices such as initial Split-flow, processing have been saved, greatly reduce the size of structure, and can purify air, beautify the environment.Therefore, the utlity model has very considerable economic benefit and environment and social benefit, have positive effect aspect roof rainwater collection and the recycling.
Summary of the invention
The purpose of this utility model is to optimize rain water on roof and utilizes flow process, provides a kind of and can purify air, beautifies the environment, investment cost is few, economic benefit is high, improve roof rainwater collection and the resource utilization system of environment and social benefit.
The utility model is achieved by following technical solution:
A kind of roof rainwater collection and resource utilization system comprise the green roof system and the rain water collecting system that are comprised of vegetable layer, plantation layer, water-storage-drainage layer and roof structure layer; It is characterized in that the bottom of described green roof system is roof structure layer 1, roof structure layer 1 top be disposed with waterproofing course 2 from the bottom to top, every root layer 3, water-storage-drainage layer 4, filtration beds 5, light filler layer 6, planting soil layer 7 and vegetable layer 8; Described light filler layer 6 is the mixed layer of 2:1 for the volume ratio of perlite and vermiculite; Described water-storage-drainage layer 4 is lightweight drainage plate; Described filtration beds 5 is nonwoven fabric construct;
Plant on the vegetable layer 8 of green roof system and be implanted with stonecrop; The 1cm place is provided with bleed off pipe A9 on the both sides of green roof system, planting soil layer 7, is provided with gutter 10 at water-storage-drainage layer 4;
Rain water collecting system is connected with the green roof system by eaves gutter 15, and rainwater enters reservoir 12 by rainwater collection collector 11 again by eaves gutter 15; Reservoir 12 is arranged on the orlop of building, and the top of reservoir 12 is provided with bleed off pipe B14, the reservoir 12 other water pumps 13 that are provided with, and the rainwater of reservoir 12 being collected by water pump 13 is extracted into outdoor greenery patches or Landscape Facilities.
Described waterproofing course 2 materials are the polyether-polyurethane waterproof blanket.
Described is anti-coating of T-99 every root layer 3 material.
Described planting soil layer 7 is adobe.
Described waterproofing course 2, be respectively 1.2mm, 0.2mm, 25mm, 1mm, 100mm, 70mm every the thickness of root layer 3, water-storage-drainage layer 4, filtration beds 5, light filler layer 6 and planting soil layer 7.
The utility model has realized that by technique scheme rain water on roof utilizes the optimization of flow process, has reduced input, has improved economic benefit, has also increased the green coverage in city simultaneously, has purified air, has beautified environment, has improved environmental and social benefits.The beneficial effects of the utility model are as follows:
1, compared to prior art, the green roof system is increased the light filler layer of perlite and vermiculite structure, choose lightweight drainage plate to replace cobble commonly used and piece stone, both strengthened the catharsis of green roof for water quality, can not make again the weight of green roof and highly produce large variation.
2, compared to prior art, saved the devices such as early-stage rainwater stream abandoning and rainwater processing, rainwater is better through effluent quality after the green roof; Green roof can collected rainwater, reduces run-off, so the size of reservoir reduces greatly, and 1/3 when being approximately common roof produces considerable economic benefit.
3, green roof both can increase the green coverage in city, also can protect roof Material not to be etched destruction, can purify air again, beautified the environment, and had improved the comprehensive utilization effect of building, had further increased environmental and social benefits.
Description of drawings
Fig. 1 is the cross-sectional view of green roof of the present utility model system;
Fig. 2 is that the utility model is used the roof rainwater collection of certain building and the structural representation of resource utilization system.
The utility model Reference numeral is as follows:
1---roof structure layer 2---waterproofing course
3---every root layer 4---water-storage-drainage layer
5---filtration beds 6---light filler layer
7---planting soil layer 8---vegetable layer
9---bleed off pipe A 10---gutter
11---rainwater collection collector 12---reservoir
13---water pump 14---bleed off pipe B
15---eaves gutter
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
The technical solution of the utility model is comprised of green roof system and rain water collecting system two parts.
1, green roof system
The green roof system is a kind of grass planting system that is arranged on the roof, its bottom is roof structure layer 1, and roof structure layer 1 top be disposed with waterproofing course 2 from the bottom to top, every root layer 3, water-storage-drainage layer 4, filtration beds 5, light filler layer 6, planting soil layer 7 and vegetable layer 8; Described light filler layer 6 is the mixed layer of 2:1 for the volume ratio of perlite and vermiculite; Described water-storage-drainage layer 4 is lightweight drainage plate; Described filtration beds 5 is nonwoven fabric construct;
7 pairs of rainwater of vegetable layer 8 and planting soil layer are held back and are utilized, and light filler layer 6 can be regulated rainfall runoff, purifying rainwater water quality effectively.Existing studies show that, the runoff coefficient of common roof is about 0.9, and the runoff coefficient of green roof can be reduced to about 0.3, has greatly reduced Rainfall runoff; Green roof also can be by the pollutant in the effect reduction rainwater such as inner interception, absorption, filtration, COD simultaneously CrClearance can reach more than 50%, and green roof can 100% stops the pollution that roofing materials causes rainwater.
The vegetable layer 8 of green roof system is selected the very strong stonecrop of growth adaptability, and planting soil layer 7 is adobes; Filtration beds 5 adopts nonwoven; Waterproofing course 2 is the polyether-polyurethane waterproof blanket; Be anti-coating of T-99 every root layer 3, its effect is the infringement that stops the root system of upper strata plant may cause building.
Described waterproofing course 2, be respectively 1.2mm, 0.2mm, 25mm, 1mm, 100mm, 70mm every the thickness of root layer 3, water-storage-drainage layer 4, filtration beds 5, light filler layer 6 and planting soil layer 7.
The green roof system is core of the present utility model, and the purpose of this part is that rainwater is carried out preliminary treatment, purifies water as much as possible; Add light filler layer 6 between planting soil layer 7 and filtration beds 5, the structure of light filler layer 6 is perlite and vermiculite, and its volume ratio is 2:1; Light filler layer 6 has the advantages that density is little, porosity is large, during rainwater process light filler layer 6, the impurity in the rainwater can be tackled and adsorb to filler, alleviates the burden of filtration beds 5, and it is that vegetable layer 8 is supplied with moisture that simultaneously light filler layer 6 also can store a part of rainwater.The water-storage-drainage layer 4 of green roof system, the drainage plate of employing lightweight replaces cobble and piece stone in the past, has alleviated the weight of green roof system, has reduced height.
2, rain water collecting system
Introduction of Roof Rainwater Harvesting System of the present utility model is a kind of outer gathering system, is connected with the green roof system by eaves gutter 15, and rainwater enters reservoir 12 by rainwater collection collector 11 again by eaves gutter 15; Before rainy season set, to note especially the cleaning of eaves gutter 15 and reservoir 12, to guarantee the Rainwater Quality of first rainfall.Reservoir 12 is arranged on the orlop of building, and its top is provided with bleed off pipe B14, the reservoir 12 other water pumps 13 that are provided with, and the rainwater of reservoir 12 being collected by water pump 13 is extracted into outdoor greenery patches or additional Landscape Facilities water.
Result of study shows, there is obvious removal effect in the green roof system to the SS in the rainwater (suspension), COD (COD), TN (total nitrogen) and TP (total phosphorus), clearance can reach respectively 80%~90%, 50%~70%, 50%~70% and 40%~70%, and the effluent quality of green roof system can reach the requirement of " urban sewage reutilization city miscellaneous water water quality " (GB/T18920-2002).Therefore, by roof rainwater collection of the present utility model and resource utilization system, the Rainwater Quality of collection can satisfy the requirement of greening and landscape water.

Claims (5)

1. a roof rainwater collection and resource utilization system comprise the green roof system and the rain water collecting system that are comprised of vegetable layer, plantation layer, water-storage-drainage layer and roof structure layer; It is characterized in that, the bottom of described green roof system is roof structure layer (1), and roof structure layer (1) top be disposed with waterproofing course (2) from the bottom to top, every root layer (3), water-storage-drainage layer (4), filtration beds (5), light filler layer (6), planting soil layer (7) and vegetable layer (8); Described water-storage-drainage layer (4) is lightweight drainage plate; Described filtration beds (5) is nonwoven fabric construct;
The upper 1cm place of both sides, planting soil layer (7) in the green roof system is provided with bleed off pipe A (9), is provided with gutter (10) at water-storage-drainage layer (4);
Rain water collecting system is connected with the green roof system by eaves gutter (15), and rainwater enters reservoir (12) by rainwater collection collector (11) again by eaves gutter (15); Reservoir (12) is arranged on the orlop of building, the top of reservoir (12) is provided with bleed off pipe B (14), the other water pump (13) that is provided with of reservoir (12), the rainwater of reservoir (12) being collected by water pump (13) is extracted into outdoor greenery patches or Landscape Facilities.
2. according to claim 1 roof rainwater collection and resource utilization system is characterized in that described waterproofing course (2) material is the polyether-polyurethane waterproof blanket.
3. according to claim 1 roof rainwater collection and resource utilization system is characterized in that described is anti-coating of T-99 every root layer (3) material.
4. according to claim 1 roof rainwater collection and resource utilization system is characterized in that described planting soil layer (7) is adobe.
5. according to claim 1 roof rainwater collection and resource utilization system, it is characterized in that, described waterproofing course (2), be respectively 1.2mm, 0.2mm, 25mm, 1mm, 100mm, 70mm every the thickness of root layer (3), water-storage-drainage layer (4), filtration beds (5), light filler layer (6) and planting soil layer (7).
CN2013201966797U 2013-04-18 2013-04-18 Roof rainwater collection and resource utilization system Expired - Fee Related CN203256980U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013201966797U CN203256980U (en) 2013-04-18 2013-04-18 Roof rainwater collection and resource utilization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103960076A (en) * 2014-05-06 2014-08-06 百盛联合建设集团有限公司 Building roof plant growing system
CN104372897A (en) * 2014-11-06 2015-02-25 上海交通大学 Roof greening simulation experiment device
CN105145286A (en) * 2015-09-17 2015-12-16 广东工业大学 Rainwater collection and powerless intelligent irrigation system of ecological green roof of building
CN105756295A (en) * 2016-03-04 2016-07-13 同济大学 Urban rainwater recycling reutilization system based on lava rocks

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103960076A (en) * 2014-05-06 2014-08-06 百盛联合建设集团有限公司 Building roof plant growing system
CN103960076B (en) * 2014-05-06 2017-01-04 百盛联合建设集团有限公司 building roof plant planting system
CN104372897A (en) * 2014-11-06 2015-02-25 上海交通大学 Roof greening simulation experiment device
CN104372897B (en) * 2014-11-06 2017-05-24 上海交通大学 Roof greening simulation experiment device
CN105145286A (en) * 2015-09-17 2015-12-16 广东工业大学 Rainwater collection and powerless intelligent irrigation system of ecological green roof of building
CN105145286B (en) * 2015-09-17 2018-11-09 广东工业大学 A kind of building ecological green roof rainwater-collecting and Unpowered intelligent irrigation system
CN105756295A (en) * 2016-03-04 2016-07-13 同济大学 Urban rainwater recycling reutilization system based on lava rocks
CN105756295B (en) * 2016-03-04 2018-05-08 同济大学 A kind of Rainwater Resources in Urban Area reutilization system based on pelelith

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131030

Termination date: 20150418