CN106400929A - Rainwater garden with rainwater filtering, purifying and storing functions and filtering method thereof - Google Patents
Rainwater garden with rainwater filtering, purifying and storing functions and filtering method thereof Download PDFInfo
- Publication number
- CN106400929A CN106400929A CN201611053019.8A CN201611053019A CN106400929A CN 106400929 A CN106400929 A CN 106400929A CN 201611053019 A CN201611053019 A CN 201611053019A CN 106400929 A CN106400929 A CN 106400929A
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- China
- Prior art keywords
- area
- rainwater
- horizontal baffling
- areas
- rain garden
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention relates to a rainwater garden with rainwater filtering, purifying and storing functions and a filtering method thereof. The rainwater garden comprises a plurality of horizontal baffling areas. The horizontal baffling areas are arranged in a transverse side-by-side mode in series connection to form a multi-stage purifying area. Rainwater flows from the front end of each horizontal baffling area to the tail end of the corresponding horizontal baffling area. An overflow brick partition wall is arranged at the communicating position of the tail end of each horizontal baffling area and the front end of the other connected horizontal baffling area. Each horizontal baffling area comprises a plurality of vegetation areas and a plurality of gravel filtering areas, and the vegetation areas and the gravel filtering areas are arranged in series connection at intervals. Overflow brick partition walls are arranged between the vegetation areas and the gravel filtering areas in each horizontal baffling area. The rainwater garden has the advantages that the rainwater filtering, purifying and storing functions are given to full play, the problems about plant root rotting and rainwater reusing can be solved, and a certain landscape effect is achieved.
Description
Technical field
The present invention relates to field of environment engineering technology, more particularly, to a kind of have the rainwater that dmp filter purifies store function
Garden and its filter method.
Background technology
With the quickening of Chinese Urbanization development process, Permeable stratum area substantial increase in city, lead to rainfall to produce
Carry substantial amounts of pollutant in runoff rainwater, be directly discharged into water body without process and water body can be caused with serious pollution.With
The proposition " sponge city " theory is it is intended to solve city to see extra large problem, Rain Garden conduct in the way of more natural, ecological
Biological one kind being detained facility, can carry out filtration, purification to rainwater, effectively reduce the content of water pollutant.
Rain Garden common at present, has that filtration, purification efficiency is low, lasts rainfall or arid facing length
When, existing Rain Garden also cannot solve the problems, such as rotten of plant and rainwater reuse very well, and landscape effect is also more single.
Content of the invention
The technical problem to be solved is to provide a kind of Rain Garden with dmp filter purification store function
And its filter method, for the shortcoming of current Rain Garden, while giving full play to dmp filter purification store function, can solve
Certainly good rotten problem with rainwater reuse of plant, and there is certain landscape effect.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
According to one aspect of the present invention, there is provided a kind of have the Rain Garden that dmp filter purifies store function, bag
Include multiple horizontal baffling areas；Multiple described horizontal baffling areas arranged in series laterally side by side, forms multistage purification area；Rainwater is from each
The front end in described horizontal baffling area flows to the end in this horizontal baffling area；The end in each described horizontal baffling area is another be connected
The connectivity part of the front end in one horizontal baffling area is equipped with overflow brickwork separating wall；Each described horizontal baffling area includes multiple vegetation
Area and multiple sandstone filtering area；Described multiple vegetation regions and described multiple sandstone filtering areas are serially connected and are spaced；Often
It is equipped with described overflow brickwork separating wall between vegetation region in individual described horizontal baffling area and sandstone filtering area.
The invention has the beneficial effects as follows：Can effective filtration, purification rainwater, convenient recycle rainwater, make full use of rainwater
Resource, moreover it is possible to collect storage rainwater, mitigates the pressure that city planting ductwork is faced；Have wide range of applications, be applicable to park, resident
Cell, campus and urban afforestation, reach the purpose that environmental protection and landscape improve, and have wide answering in sponge urban construction
Use prospect；Combined by the series connection interval of multiple vegetation regions and multiple sandstone filtering areas, since diffraction current form extending footpath
Stream rainwater transit time, to promote to blend filtration under rainwater, strengthens the removal efficiency of pollutant.
On the basis of technique scheme, the present invention can also do following improvement.
Further：The top often blocking up described overflow brickwork separating wall is equipped with multiple overfalls.
Further：The lower limb of each described overfall and adjacent described vegetation region or described sandstone filtering area top layer
Distance range is 12cm to 28cm.
Above-mentioned enter two step schemes beneficial effect be：The distance of overfall and adjacent vegetation region or sandstone filtering area top layer
During constituting reservoir bed, heavy rain, just Scatter Gather storage is carried out to rainwater in runoff way, when peak runoff can be delayed to occur
Between, mitigate the pressure that city planting ductwork is faced, distributing storage also allows for the reuse of later stage rainwater.
Further：The front end in each described horizontal baffling area is described sandstone filtering area.
The beneficial effect of above-mentioned further scheme is：It is sandstone filtering area in the front end in each horizontal baffling area, in rain
When water flows through, preliminary filtration, purification process can be carried out, thus protecting the soil in Rain Garden and vegetation, effectively reduce and entering rain
The solid pollutant in spray garden.
Further：The horizontal baffling area entering from rainwater in multistage purification area starts the horizontal baffling area to rainwater outflow
Height successively decreases successively and forms stairstepping.
The beneficial effect of above-mentioned further scheme is：Drop landscape can be formed in rainy period.
Further：Vegetation region in each described horizontal baffling area and sandstone filtering area are collectively forming stairstepping；Described rank
Trapezoidal height successively decreases successively along the flow direction of rainwater.
The beneficial effect of above-mentioned further scheme is：Difference is viewed and admired vegetation carry out inlaying with cobble and combine height and straggly take
Join, the landscape building more horn of plenty with this to meet the purpose that visitor views and admires leisure.
Further：The table of the top layer of described vegetation region in each described horizontal baffling area and adjacent described sandstone filtering area
The depth displacement of layer is 8cm to 18cm.
The beneficial effect of above-mentioned further scheme is：Guarantee that runoff rainwater can form the current of stable homogeneous when passing through.
Further：Between two neighboring described horizontal baffling area in addition to described connectivity part by non-overflow brickwork separating wall every
Open.
The beneficial effect of above-mentioned further scheme is：Non-overflow brickwork separating wall between period short of rain, horizontal baffling area
Can also act as bench using the leisure function meeting visitor.
Further：The height of the non-overflow brickwork separating wall in multistage purification area successively decreases successively along the flow direction of rainwater.
The beneficial effect of above-mentioned further scheme is：Make rainwater according to the flow direction flowing formulated, more convenient rainwater is in rainwater
Diffraction current is carried out in garden.
According to another aspect of the present invention, there is provided a kind of Rain Garden with dmp filter purification store function
Filter method, comprises the following steps,
First, during rainfall, rainwater produces rainfall runoff on square or road, when rainfall runoff is pooled to the entrance of Rain Garden
When, enter the sandstone filtering area of first horizontal baffling area front end, carry out first filtration, purification, remove the solid pollution in rainwater
Thing, then flows successively through vegetation region below and sandstone filtering area, carries out further filtration, purification process；
2nd, when flow mode is larger, the rainwater on vegetation region top layer enters adjacent sandstone mistake by way of overflow
Filter area；
3rd, when the rainwater in multiple horizontal baffling areas is close to saturation, unnecessary rainwater can pass through the direct overflow of delivery port
Enter city planting ductwork as urban water.
The invention has the beneficial effects as follows：Plant in vegetation region slows down rainfall runoff speed, by multistage horizontal baffling
Area can effectively extend rainwater thetravel times, effectively removes the pollutant in rainwater；Vegetation region and sandstone filtering area can be in rainwater
Realize the Scatter Gather storage to rainwater in runoff way, peak runoff time of occurrence can be delayed, mitigate what city planting ductwork was faced
Pressure, is easy to the reuse of later stage rainwater.
Brief description
Fig. 1 is the plan of the present invention；
Fig. 2 is the profile of the present invention；
Fig. 3 is the elevation of overflow brickwork separating wall of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and feature are described, example is served only for explaining the present invention, and
Non- for limiting the scope of the present invention.
As shown in figure 1, a kind of have the Rain Garden that dmp filter purifies store function, it includes multiple horizontal baffling areas
3；Multiple described horizontal baffling areas 3 arranged in series laterally side by side, forms multistage purification area；Rainwater is from each described horizontal baffling area
3 front end flows to the end in this horizontal baffling area 3；The end in each described horizontal baffling area 3 and another level folding being connected
The connectivity part of the front end in stream area 3 is equipped with overflow brickwork separating wall 4；Each described horizontal baffling area 3 includes multiple vegetation regions 1 and many
Individual sandstone filtering area 2；Described multiple vegetation regions 1 and described multiple sandstone filtering areas 2 are serially connected and are spaced；Each institute
State and between the vegetation region 1 in horizontal baffling area 3 and sandstone filtering area 2, be equipped with described overflow brickwork separating wall 4.
Separated by non-overflow brickwork separating wall 5 in addition to described connectivity part between two neighboring described horizontal baffling area 3.
The front end in each described horizontal baffling area 3 is described sandstone filtering area 2, when rainwater flows through, can carry out preliminary
Filtration, purification is processed, thus protecting the soil in Rain Garden and vegetation, effectively reduces the solid pollutant entering Rain Garden.
In the present embodiment, described multiple horizontal baffling areas 3 include 31, second, first horizontal baffling area level folding
Stream area 32, the 3rd horizontal baffling area 33 and the 4th horizontal baffling area 34,31, second water in described first horizontal baffling area
Flat-folded stream area 32, the 3rd horizontal baffling area 33 and the 4th horizontal baffling area 34 arranged in series laterally side by side, extend runoff rain
Water carrys out the time of diffraction current, to promote to blend filtration under rainwater, effectively removes the pollutant in purifying rainwater.
It is provided with entrance 9 in the front end in described first horizontal baffling area 31, at the end in described 4th horizontal baffling area 34
End is provided with outlet 8, is equipped with described overflow brickwork separating wall 4, facilitates rainwater to flow into and out at described outlet 8 and described entrance 9
Rain Garden.Except entrance 9 and outlet 8, the surrounding of Rain Garden is equipped with described non-overflow brickwork separating wall 5.
The horizontal baffling area 3 entering from rainwater in multistage purification area starts the height in the horizontal baffling area 3 to rainwater outflow
Successively decrease successively and form stairstepping；The height of the non-overflow brickwork separating wall 5 in multistage purification area is passed successively along the flow direction of rainwater
Subtract.
Vegetation region 1 in each described horizontal baffling area 3 and sandstone filtering area 2 are collectively forming stairstepping；Described stairstepping
Height successively decrease successively along the flow direction of rainwater.
Difference is viewed and admired vegetation carry out inlaying with cobble and combine height collocation straggly, drop scape can be formed in rainy period
See, the non-overflow brickwork separating wall 5 between period short of rain, each horizontal baffling area 3 can also act as bench and uses, and meets visitor and stops
Not busy function.
As shown in figure 3, the top often blocking up described overflow brickwork separating wall 4 is equipped with multiple overfalls 6；Each described overfall
6 lower limb is 12cm to 28cm with the distance range on adjacent described vegetation region 1 or described sandstone filtering area 2 top layer, preferably
For 14cm to 23cm, during constituting reservoir bed, heavy rain, just Scatter Gather storage is carried out to rainwater in runoff way, flood can be delayed
Peak runoff time of occurrence, mitigates the pressure that city planting ductwork is faced, and distributing storage also allows for the reuse of later stage rainwater.
The top layer of described vegetation region 1 in each described horizontal baffling area 3 and the top layer of adjacent described sandstone filtering area 2
Depth displacement is 8cm to 18cm, and preferably 12cm to 14cm is it is ensured that runoff rainwater can form the current of stable homogeneous when passing through.
Soil matrix in each described vegetation region 1 is manually to change fills out matrix；Described manually change fill out matrix from top layer to
Bottom is followed successively by soil horizon, layer of sand and boulder bed；Described soil horizon is the mixture mixing broken afforestation discarded object and soil.
Plant for vegetation region 1 provides good life condition it is ensured that its smooth growth, can also make full use of resource simultaneously, more environmentally friendly.
As shown in Fig. 2 the boulder bed bottom in each described vegetation region 1 in each described horizontal baffling area 3 is equipped with
Rainwater is transmitted the perforated pipe 7 of described sandstone filtering area 2 bottom to adjacent next described horizontal baffling area 3.By wearing
The unnecessary rainwater of vegetation region 1 bottom is delivered to sandstone filtering area 2 by hole pipe 7, can be prevented effectively from the generation of rotten problem of plant.
Matrix in described sandstone filtering area 2 be all followed successively by from top layer to bottom rubble cushion, sand filter blanket, transition zone and
Boulder bed, can effectively filter the pollutant in rainwater, reach the purpose of purification.
According to landscape needs, often block up described non-overflow brickwork separating wall 5 and be linear pattern or shaped form.Also can be by vegetation region
1 and sandstone filtering area 2 make different shape and moulding, select different floristics.
The plant of described vegetation region 1 is scouring rush, Scirpus tabernaemontani, reed, iris, thaliadeabata or calamus.Select drought-enduring waterlogging
The flourishing ornamental plant of system, can strengthen sight, can guarantee that the survival ability of vegetation region plant again, guarantee that rainwater is formed simultaneously
The current of stable homogeneous.
A kind of have the filter method that dmp filter purifies the Rain Garden of store function, comprises the following steps：
First, during rainfall, rainwater produces rainfall runoff on square or road, when rainfall runoff is pooled to the entrance of Rain Garden
When, enter the sandstone filtering area 2 of first horizontal baffling area 3 front end, carry out first filtration, purification, the solid removing in rainwater is dirty
Dye thing, then flows successively through vegetation region 1 below and sandstone filtering area 2, carries out further filtration, purification process；
2nd, when flow mode is larger, the rainwater on vegetation region 1 top layer enters adjacent sandstone mistake by way of overflow
Filter area 2, the perforated pipe 7 that the unnecessary rainwater of vegetation region 1 bottom can be laid by boulder bed bottom transmits to the bottom of sandstone filtering area 2
Layer；
3rd, when the rainwater in multiple horizontal baffling areas 3 is close to saturation, unnecessary rainwater can pass through the direct overflow of delivery port
Enter city planting ductwork as urban water.
Plant in vegetation region 1 slows down rainfall runoff speed, can effectively extend rainwater by multistage horizontal baffling area 3 and wears
The row time, effectively remove the pollutant in rainwater；Vegetation region 1 and sandstone filtering area 2 can be realized to rain in rainfall runoff way
The Scatter Gather storage of water, can delay peak runoff time of occurrence, mitigate the pressure that city planting ductwork is faced, be easy to later stage rainwater
Reuse.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of have dmp filter purify store function Rain Garden it is characterised in that：Including multiple horizontal baffling areas
(3)；Multiple described horizontal baffling area (3) arranged in series laterally side by side, form multistage purification area；Rainwater is from each described level folding
The front end of stream area (3) flows to the end in this horizontal baffling area (3)；The end of each described horizontal baffling area (3) is another be connected
The connectivity part of the front end of one horizontal baffling area (3) is equipped with overflow brickwork separating wall (4)；Each described horizontal baffling area (3) bag
Include multiple vegetation regions (1) and multiple sandstone filtering area (2)；Described multiple vegetation regions (1) and described multiple sandstone filtering areas
(2) it is serially connected and be spaced；It is all provided between vegetation region (1) in each described horizontal baffling area (3) and sandstone filtering area (2)
Described overflow brick is had to build partition wall (4).
2. according to claim 1 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Often block up
The top of described overflow brickwork separating wall (4) is equipped with multiple overfalls (6).
3. according to claim 2 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Each
The lower limb of described overfall (6) with the distance range of adjacent described vegetation region (1) or described sandstone filtering area (2) top layer is
12cm to 28cm.
4. according to claim 1 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Each
The front end of described horizontal baffling area (3) is described sandstone filtering area (2).
5. according to claim 4 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Multistage
In purifying area from rainwater enter horizontal baffling area (3) start to rainwater flow out horizontal baffling area (3) height successively decrease successively,
And form stairstepping.
6. according to claim 1 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Each
Vegetation region (1) in described horizontal baffling area (3) and sandstone filtering area (2) are collectively forming stairstepping；Described step-like height
Flow direction along rainwater is successively decreased successively.
7. according to claim 1 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Each
The depth displacement on the top layer of described vegetation region (1) in described horizontal baffling area (3) and the top layer of adjacent described sandstone filtering area (2)
For 8cm to 18cm.
8. according to claim 1 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Adjacent
Separated by non-overflow brickwork separating wall (5) in addition to described connectivity part between two described horizontal baffling areas (3).
9. according to claim 8 a kind of have dmp filter purify store function Rain Garden it is characterised in that：Multistage
The height of the non-overflow brickwork separating wall (5) in purifying area successively decreases successively along the flow direction of rainwater.
10. a kind of have dmp filter purify store function Rain Garden filter method it is characterised in that：Walk including following
Suddenly,
First, during rainfall, rainwater produces rainfall runoff on square or road, when rainfall runoff is pooled to the entrance of Rain Garden,
Enter the sandstone filtering area (2) of first horizontal baffling area (3) front end, carry out first filtration, purification, remove the solid in rainwater
Pollutant, then flows successively through vegetation region (1) below and sandstone filtering area (2), carries out further filtration, purification process；
2nd, when flow mode is larger, the rainwater on vegetation region (1) top layer is entered adjacent sandstone by way of overflow and filters
Area (2)；
3rd, when the rainwater in multiple horizontal baffling areas (3) is close to saturation, unnecessary rainwater can be entered by the direct overflow of delivery port
Enter city planting ductwork as urban water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053019.8A CN106400929A (en) | 2016-11-25 | 2016-11-25 | Rainwater garden with rainwater filtering, purifying and storing functions and filtering method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053019.8A CN106400929A (en) | 2016-11-25 | 2016-11-25 | Rainwater garden with rainwater filtering, purifying and storing functions and filtering method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106400929A true CN106400929A (en) | 2017-02-15 |
Family
ID=58082714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611053019.8A Pending CN106400929A (en) | 2016-11-25 | 2016-11-25 | Rainwater garden with rainwater filtering, purifying and storing functions and filtering method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106400929A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107417049A (en) * | 2017-09-08 | 2017-12-01 | 四川省瑞云环境绿化工程有限公司 | A kind of landscape water body ecological restoring method and the ecosystem based on rainwater |
| CN109205812A (en) * | 2017-06-30 | 2019-01-15 | 王锦林 | Multi-stage sewage pretreatment unit |
| CN112982642A (en) * | 2021-03-02 | 2021-06-18 | 北京雨人润科生态技术有限责任公司 | Rainwater filtering tank |
| CN113006253A (en) * | 2021-03-02 | 2021-06-22 | 北京雨人润科生态技术有限责任公司 | Planting jar and roof rainwater recycling system |
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Application publication date: 20170215 |