CN213463223U - Sustainable landscape coordination rainwater garden - Google Patents

Sustainable landscape coordination rainwater garden Download PDF

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Publication number
CN213463223U
CN213463223U CN202022413342.XU CN202022413342U CN213463223U CN 213463223 U CN213463223 U CN 213463223U CN 202022413342 U CN202022413342 U CN 202022413342U CN 213463223 U CN213463223 U CN 213463223U
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China
Prior art keywords
rainwater
garden
planting
soil
water
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Expired - Fee Related
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CN202022413342.XU
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Chinese (zh)
Inventor
朱伟杰
陈楚云
黄剑萍
庞媚
许计兴
黄子杰
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Guangzhou Rong Cui Garden Greening Engineering Co ltd
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Guangzhou Rong Cui Garden Greening Engineering Co ltd
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Priority to CN202022413342.XU priority Critical patent/CN213463223U/en
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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

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Abstract

The application relates to a sustainable landscape coordination rainwater garden, and belongs to the technical field of environmental engineering. It is including the foundation soil that is the echelonment setting, be provided with a plurality of planting units in the foundation soil, it is a plurality of plant the unit and set up along the ladder planting the unit, it is used for planting the plant and collects and purifies the rainwater to plant the unit, the highest point of foundation soil is provided with rainwater collection device, rainwater collection device is used for collecting the rainwater on roof, rainwater collection device's play water end orientation plants the unit, the lowest that the foundation soil is located the ladder is provided with the rainwater collecting pit. This application scheme adopts distributed to control the rainwater and utilizes, has greatly cushioned the drainage demand in rainwater garden, can save and recycle the rainwater simultaneously, has optimized the reasonable application of resource.

Description

Sustainable landscape coordination rainwater garden
Technical Field
The application relates to the field of environmental engineering, in particular to a sustainable landscape coordination rainwater garden.
Background
The rainwater garden is a shallow concave green land which is naturally formed or artificially excavated, is used for gathering and absorbing rainwater from a roof or the ground, purifies the rainwater through the comprehensive action of plants and sandy soil, gradually permeates the soil, contains underground water or supplies urban water such as landscape water, toilet water and the like, and is an ecologically sustainable rainwater control and rainwater utilization facility.
Roof rainwater is used as relatively clean rainwater, and if the roof rainwater is discharged into a drainage system, the treatment load of sewage treatment is increased, in addition, the runoff of rainwater on a large roof is relatively large, a rainwater garden with a certain area is required to be arranged according to the rainwater storage capacity, and however, the rainwater garden with a large enough area for storing rainwater cannot be provided actually. The existing method for treating the rainwater on the large roof generally converges initial rainwater and then converges the initial rainwater into a rainwater garden, and the method brings certain challenges to the rainwater storage and seepage capacity of the rainwater garden and often causes the phenomenon of imbalance of the rainwater garden due to large roof rainfall.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the related rainwater garden can not meet the drainage requirement of rainwater on a large roof.
SUMMERY OF THE UTILITY MODEL
In order to help improve the problem that the rainwater garden in the correlation technique can not satisfy the drainage demand of big roofing rainwater, this application provides a sustainable view harmony rainwater garden.
The application provides a sustainable view harmony rainwater garden adopts following technical scheme:
the sustainable landscape coordination rainwater garden comprises foundation soil arranged in a ladder shape, wherein a plurality of planting units are arranged in the foundation soil and arranged along the ladder, the planting units are used for planting plants and collecting purified rainwater, a rainwater collecting device is arranged at the highest position of the foundation soil and used for collecting rainwater on a roof, the water outlet end of the rainwater collecting device faces the planting units, and a rainwater collecting pool is arranged at the lowest position of the ladder where the foundation soil is located.
Through adopting above-mentioned technical scheme, at first use rainwater collection device to collect the rainwater, then begin to discharge the rainwater from the highest point through rainwater collection device, in rainwater partly infiltrates into the planting unit, the planting unit purifies and collects infiltration's rainwater, another part of rainwater is in proper order downwards along the ladder, the planting unit of ladder department can utilize and retrieve the rainwater, final unnecessary rainwater then flows to rainwater collecting pit, accomplishes the recovery to the rainwater. This scheme adopts distributed to control and utilize the rainwater, has greatly cushioned the drainage demand of rainwater garden, can save and recycle the rainwater simultaneously, has optimized the reasonable application of resource.
Optionally, plant unit from last down including soil planting layer, sand filter layer and drainage blanket in proper order, the soil planting layer is used for planting the plant, the sand filter layer is used for filtering the impurity in the rainwater, the drainage blanket is used for collecting and discharging the rainwater, be provided with drainage pipe in the drainage blanket, rainwater collecting pit is connected to drainage pipe's play water end.
Through adopting above-mentioned technical scheme, the soil is planted the layer and can be used to plant the view plant, and partly rainwater infiltration flows through the sandy filtering layer, and under the effect of sandy filtering layer, most impurity in the rainwater is got rid of, accomplishes the filtration to the rainwater, and the rainwater after the filtration flows to the rainwater collecting pit through the intraformational drainage pipe of drainage, accomplishes the recovery of rainwater. The rainwater of the other part flows into the planting unit of the next step along the soil planting layer, and is continuously dispersed and utilized, so that the rainwater can be effectively utilized and dispersed for drainage, and the drainage capability of the rainwater garden is improved.
Optionally, the sandy filter layer comprises fine sand particles and gravel, and the fine sand particles are positioned above the gravel.
Through adopting above-mentioned technical scheme, fine sand grain mainly is that the impurity such as macromolecule solid particle thing and colloid are held back to get rid of in the rainwater, but microorganism growth in the gravel gap utilizes the organic pollutant of microorganism can purify the rainwater, further purifies quality of water.
Optionally, the drainage layer comprises a gravel cushion layer, and the drainage pipeline is arranged in the gravel cushion layer.
Through adopting above-mentioned technical scheme, the gravel bed course can stabilize planting unit, and in the rainwater can flow into drainage pipe through the intraformational gap of gravel bed course simultaneously, the recovery to the rainwater is accomplished to rethread drainage pipe.
Optionally, the rainwater collecting device comprises a water storage tank and a drain valve, the water storage tank is mounted at the top of the highest position of the foundation soil, and the drain valve is arranged on the outer side of the water storage tank close to the bottom.
Through adopting above-mentioned technical scheme, when the rain storm weather, the drain valve can keep normally opening, makes the rainwater pass through in proper order and plants the unit, realizes the utilization and the recovery to the rainwater, and when the rainfall is less, the storage water tank can be collected the rainwater, when needs irrigate and plant the unit, the drain valve is opened to the accessible, accomplishes the watering to planting the unit.
Optionally, an underground water storage tank is further arranged in the foundation soil, an overflow pipe is connected between the rainwater collection tank and the underground water storage tank, a second water pump is arranged in the underground water storage tank, a first water pump is arranged in the rainwater collection tank, and return pipes are connected between the second water pump and the first water pump and the water storage tank respectively.
Through adopting above-mentioned technical scheme, when the rainfall exceeded design capacity, too much rainwater passed through the overflow pipe and gets into the underground water storage tank, can reinject the rainwater into the storage water tank through the second water pump in for water the plant, also can extract the rainwater through the second water pump and carry out carwash etc. also can utilize first water pump to collect the rainwater in the pond and extract the storage water tank in the while, realize the make full use of to the rainwater.
Optionally, the top of the foundation soil is provided with a filtering gabion, and the filtering gabion is positioned at the water outlet end of the water storage tank.
Through adopting above-mentioned technical scheme, filter the gabion setting in the play water end of storage water tank, the rainwater directly erodees and filters the gabion, reduces the erodeing of rainwater to the basic soil, filters the gabion simultaneously and has natural permeability to have natural filtration, filter the gabion and can make the suspended solid and the mud deposit of aquatic in the rock filling seam, this is favorable to the growth of natural plant, and improves the environment of rainwater garden.
Optionally, geotextile is arranged between the planting unit and the foundation soil.
Through adopting above-mentioned technical scheme, geotechnological cloth has the effect of permeating water, infiltration, filtering, can keep apart the pollutant in the runoff in the upper strata of geotechnological cloth, and partial pollutant can be absorbed by plant roots to subduct the pollutant content of the rainwater that gets into in the rainwater collecting pit.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the scheme adopts distributed rainwater control and utilization, greatly buffers the drainage requirement of the rainwater garden, and simultaneously can store and recycle rainwater, thereby optimizing reasonable application of resources;
2. when the rainfall exceeded design capacity, too much rainwater passed through the overflow pipe and got into the underground water storage pond, can reinject the rainwater into the storage water tank through the second water pump in for water the plant, also can extract the rainwater through the second water pump and carry out carwash etc. also can utilize first water pump to collect the rainwater in the pond and extract the storage water tank simultaneously in, realize the make full use of to the rainwater.
Drawings
Fig. 1 is an overall cross-sectional schematic view of an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of a planting unit according to an embodiment of the present application.
Description of reference numerals: 1. base soil; 2. a planting unit; 21. a soil planting layer; 22. a sandy filter layer; 221. fine sand grains; 222. gravel; 23. a drainage layer; 231. a water discharge pipeline; 24. geotextile; 3. a rainwater collection device; 31. a water storage tank; 32. a drain valve; 4. filtering the gabion; 41. a bevel; 5. a rainwater collection tank; 51. a first water pump; 6. an overflow pipe; 7. an underground water storage tank; 71. a second water pump; 8. a return pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a sustainable landscape coordination rainwater garden. Referring to fig. 1, including foundation soil 1, foundation soil 1 is the echelonment setting, and foundation soil 1 is provided with a plurality of planting units 2 along the ladder, plants unit 2 and is used for planting the plant and collects and purifies the rainwater, and the highest point of foundation soil 1 is provided with rainwater collection device 3, and rainwater collection device 3 is used for collecting the rainwater on roof, and unit 2 is planted towards to rainwater collection device 3's play water end, and foundation soil 1 is provided with rainwater collecting pool 5 along the lowest of ladder.
The rainwater on roof is unified to be discharged after rainwater collection device 3 collects, and partly rainwater oozes in planting unit 2 department to retrieve the rainwater, another part rainwater down in proper order along the ladder, through planting unit 2 step by step, under the effect of planting unit 2, most rainwater is by the dispersion utilization, and unnecessary rainwater then flows into and accomplishes in the rainwater collecting pit 5 and retrieve. The arrangement can effectively reduce the drainage pressure of the rainwater garden on the roof and improve the water using and drainage capacity of the rainwater garden.
Referring to fig. 1 and 2, the planting unit 2 sequentially comprises a soil planting layer 21, a sand filtering layer 22 and a drainage layer 23 from top to bottom, wherein the soil planting layer 21 is mainly formed by laying planting soil and mainly used for promoting plant growth and providing nutrient substances for plants; the sand filtering layer 22 also comprises fine sand particles 221 and gravel 222, the fine sand particles 221 are positioned above the gravel 222, rainwater sequentially passes through the fine sand particles 221 and the gravel 222 from top to bottom, and the fine sand particles 221 and the gravel 222 can intercept and remove impurities such as macromolecular solid particles, colloids and the like in the rainwater, so as to play a role in purifying the rainwater; drainage blanket 23 mainly comprises the grit bed course, and the grit bed course is laid bottommost, with basic soil 1 looks butt, and the grit bed course plays the effect of ramming overall structure, is provided with drainage pipe 231 in the grit bed course simultaneously, and rainwater collecting pit 5 is connected to drainage pipe 231's play water end, and in this embodiment, PVC blind pipe is chooseed for use to drainage pipe 231, and the excessive rainwater of unit 2 is planted in the infiltration then can flow into the PVC blind pipe, flows into rainwater collecting pit 5 from the PVC blind pipe again, accomplishes the recovery to the rainwater.
In addition, still be provided with geotechnological cloth 24 between planting unit 2 and the basic soil 1, geotechnological cloth 24 is laid in the both sides of planting unit 2, and geotechnological cloth 24 has the effect of permeating water, infiltration, filtering, can keep apart the pollutant in the runoff in geotechnological cloth 24's inboard, and partial pollutant can be absorbed by plant roots to the pollutant content of the rainwater that gets into in rainwater collecting pool 5 has been subductd.
Referring to fig. 1, rainwater collection device 3 includes storage water tank 31 and drain valve 32, and storage water tank 31 installs in the highest point of foundation soil 1, and the water drainage pipeline on roof is connected to the end of intaking of storage water tank 31, and drain valve 32 installs in the outside that storage water tank 31 is close to the bottom, and the motorised valve can be chooseed for use to drain valve 32, and the motorised valve is favorable to control to the personnel's operation of being convenient for.
Meanwhile, the top of the highest position of the foundation soil 1 is provided with a filtering gabion 4, the water outlet end of the drain valve 32 faces the filtering gabion 4, in the embodiment, the filtering gabion 4 mainly comprises pebbles, the filtering gabion 4 is provided with an inclined surface 41 which is inclined towards the rainwater collecting pool 5 and is arranged downwards, the water outlet end of the drain valve 32 is opposite to the inclined surface 41, rainwater in the water storage tank 31 can be enabled to scour the inclined surface 41 of the filtering gabion 4 and flow towards the planting unit 2 through the inclined surface 41, meanwhile, the filtering gabion 4 can also reduce scouring of the rainwater on the foundation soil 1, and stability of a rainwater garden structure is guaranteed.
Referring to fig. 1, an underground water storage tank 7 is further arranged in the foundation soil 1, an overflow pipe 6 is connected between the underground water storage tank 7 and the rainwater collection tank 5, when the rainwater amount exceeds the designed capacity, excessive rainwater enters the underground water storage tank 7 through the overflow pipe 6, the underground water storage tank 7 further recovers the rainwater, and the drainage capacity of the rainwater garden is improved. Wherein, install first water pump 51 in the rainwater collecting pit 5, install second water pump 71 in the underground water storage tank 7, first water pump 51 and second water pump 71 respectively with be connected with the back flow 8 between the storage water tank 31, open first water pump 51 or second water pump 71, can take out the rainwater back to the storage water tank 31 in, irrigate planting unit 2 through opening drain valve 32, realize the sustainability regulation and control and the utilization of rainwater. In addition, the first water pump 51 or the second water pump 71 may pump rainwater for washing a car, a toilet, or the like, thereby achieving maximum utilization of rainwater.
The implementation principle of the sustainable landscape coordination rainwater garden comprises the following steps: the water storage tank 31 collects rainwater, the collected rainwater is discharged through the drain valve 32, the rainwater sequentially passes through the various planting units 2 along the steps, and the rainwater is dispersedly controlled under the utilization and recovery effects of the various planting units 2, so that the drainage capacity of the rainwater garden is effectively improved. The scheme is simple in operation and management, ecological and environment-friendly, and can realize sustainable regulation and utilization of rainwater by the rainwater garden.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A sustainable landscape coordination rained garden, characterized by: including basic soil (1) that is the echelonment setting, be provided with a plurality of planting units (2) in basic soil (1), it is a plurality of plant unit (2) along the ladder setting, plant unit (2) and be used for planting the plant and collect and purify the rainwater, the highest point of basic soil (1) is provided with rainwater collection device (3), rainwater collection device (3) are used for collecting the rainwater on roof, unit (2) are planted to the play water end orientation of rainwater collection device (3), the lowest department that basic soil (1) is located the ladder is provided with rainwater collecting pit (5).
2. A sustainable landscape coordination storm water garden as claimed in claim 1 wherein: plant unit (2) from last down and include soil planting layer (21), sand filter layer (22) and drainage blanket (23) in proper order, soil planting layer (21) is used for planting the plant, sand filter layer (22) are used for filtering the impurity in the rainwater, drainage blanket (23) are used for collecting and discharge the rainwater, be provided with drainage pipe (231) in drainage blanket (23), rainwater collecting pit (5) are connected to the play water end of drainage pipe (231).
3. A sustainable landscape coordination storm water garden as claimed in claim 2 wherein: the sand filter layer (22) comprises fine sand grains (221) and gravel (222), and the fine sand grains (221) are positioned above the gravel (222).
4. A sustainable landscape coordination storm water garden as claimed in claim 3 wherein: the drainage layer (23) comprises a gravel cushion layer, and the drainage pipeline (231) is arranged in the gravel cushion layer.
5. A sustainable landscape coordination storm water garden as claimed in claim 1 wherein: rainwater collection device (3) include storage water tank (31) and drain valve (32), the top at basic soil (1) highest point is installed in storage water tank (31), drain valve (32) set up in storage water tank (31) the outside near the bottom.
6. A sustainable landscape coordination storm water garden as claimed in claim 5, wherein: still be provided with secret cistern (7) in foundation soil (1), be connected with overflow pipe (6) between rainwater collecting pit (5) and secret cistern (7), be provided with second water pump (71) in secret cistern (7), be provided with first water pump (51) in rainwater collecting pit (5), second water pump (71) and first water pump (51) respectively with storage water tank (31) between be connected with back flow (8).
7. A sustainable landscape coordination storm water garden as claimed in claim 1 wherein: the top of foundation soil (1) is provided with filters gabion (4), filters gabion (4) and is located the play water end of storage water tank (31).
8. A sustainable landscape coordination storm water garden as claimed in claim 1 wherein: and a geotextile (24) is arranged between the planting unit (2) and the foundation soil (1).
CN202022413342.XU 2020-10-26 2020-10-26 Sustainable landscape coordination rainwater garden Expired - Fee Related CN213463223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022413342.XU CN213463223U (en) 2020-10-26 2020-10-26 Sustainable landscape coordination rainwater garden

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Application Number Priority Date Filing Date Title
CN202022413342.XU CN213463223U (en) 2020-10-26 2020-10-26 Sustainable landscape coordination rainwater garden

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CN213463223U true CN213463223U (en) 2021-06-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114427242A (en) * 2021-11-25 2022-05-03 北京星河园林景观工程有限公司 Outdoor landscape hand washing sink structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114427242A (en) * 2021-11-25 2022-05-03 北京星河园林景观工程有限公司 Outdoor landscape hand washing sink structure

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