CN112411671A - Formula of sinking greenery patches - Google Patents
Formula of sinking greenery patches Download PDFInfo
- Publication number
- CN112411671A CN112411671A CN202011330315.4A CN202011330315A CN112411671A CN 112411671 A CN112411671 A CN 112411671A CN 202011330315 A CN202011330315 A CN 202011330315A CN 112411671 A CN112411671 A CN 112411671A
- Authority
- CN
- China
- Prior art keywords
- water
- layer
- storage tank
- regulation
- green land
- 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.)
- Pending
Links
Images
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- 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
- 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
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- 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
Abstract
The invention discloses a sunken green land, which comprises a planting layer, wherein the planting layer is positioned on the surface layer of the sunken green land, and is characterized in that: a primary regulation and storage tank is arranged in the subsided green land, the water retention sand layer is positioned between the planting layer and the primary regulation and storage tank, a secondary regulation and storage tank is arranged in the primary regulation and storage tank, the inner part of the secondary regulation and storage tank is divided into three areas, the central area is a sedimentation area, two sides are permeation and filtration areas, the sedimentation area and the permeation and filtration areas are separated by a partition plate, and the top end of the partition wall is an overflow weir; the upper part of the central sedimentation zone is provided with a water inlet of the secondary regulation and storage tank, and the bottom of the permeation filtration zone is a water outlet. The invention overcomes the defects of the traditional sunken greenbelt, has the advantages of good rainwater storage effect, high purification efficiency and capability of avoiding polluting underground water, and has simple structural design, low operation cost and easy popularization and application.
Description
Technical Field
The invention relates to a sunken green land, in particular to a sunken green land integrating the functions of filtering, purifying, retaining water, regulating and storing and permeating, belonging to the field of municipal engineering and sponge cities.
Background
The road surface rainwater utilizes the road surface inlet for stom water to get rid of usually, nevertheless when rainfall is great, the untimely ponding that can lead to of drainage when surpassing the inlet for stom water volume of accomodating influences road surface traffic operation and pedestrian's normal walking, still can lead to the urban waterlogging when serious.
The green belt is used as an important component of an urban road, greens the environment and cleans the air by planting flowers, plants and trees, and has the function of collecting rainwater. However, the traditional green belt can only absorb rainwater falling into the green belt, and the problem of accumulated water on the road surface cannot be solved in time. Moreover, when the rainfall is too large, the traditional green belt accumulates too much water to cause the root system of the plant to rot, which is not beneficial to the growth of the plant; when the rainfall is insufficient, the rainfall needs to be supplemented with water manually, and the capital cost is wasted.
In addition, the rainwater can be purified to supply underground water and can also be used as urban domestic miscellaneous water. But simultaneously, if the greenbelt is insufficient in filtering and purifying the pollutants in the rainwater, the pollutants can also be caused to seep into underground water, and the drinking water safety of people is endangered.
At present, although some sunken greenbelts with infiltration filtration and rainwater regulation effects appear, most greenbelts have complex structures and high cost, or have some defects which are difficult to overcome, and are difficult to popularize and apply. Therefore, the invention develops a sinking type green land design which has good infiltration and filtration effects, simple structure and lower cost and can regulate and purify rainwater.
Disclosure of Invention
The invention aims to provide a sunken green land which is simple in structure, low in cost and good in permeation filtration and storage regulation effects.
In order to achieve the purpose, the invention adopts the following technical scheme:
a formula of sinking greenery patches, includes planting the layer, planting layer lies in formula of sinking greenery patches top layer, its characterized in that: a primary regulation and storage tank is arranged in the subsided green land, the water retention sand layer is positioned between the planting layer and the primary regulation and storage tank, a secondary regulation and storage tank is arranged in the primary regulation and storage tank, the inner part of the secondary regulation and storage tank is divided into three areas, the central area is a sedimentation area, two sides are permeation and filtration areas, the sedimentation area and the permeation and filtration areas are separated by a partition plate, and the top end of the partition wall is an overflow weir; the upper part of the central sedimentation zone is provided with a water inlet of the secondary regulation and storage tank, and the bottom of the permeation filtration zone is a water outlet.
Further, the pool wall in one-level regulation pond is waterproof pool wall, is equipped with in the one-level regulation pond and protects water granule filter material, and the second grade regulation pond is buried underground in the granule filter material of protecting water in one-level regulation pond, and the water inlet in second grade regulation pond is equipped with into water grid, and the hydraulic cloth that permeates water is laid to grid and the granule filter material juncture of protecting water.
Furthermore, the water-retaining particle filter material is formed by mixing an artificial filter material and natural sand, the particle size is 1-3 mm, the porosity is 70-80%, and the water-retaining particle filter material has good water-retaining property and a pollutant adsorption effect.
Furthermore, the penetration filtering area is divided into three layers, namely a gravel particle layer, a quartz sand filtering layer and an artificial filtering material layer from top to bottom; the thickness of the gravel particle layer is 10-15 cm, and the particle size is 5-10 mm; the thickness of the quartz sand filtering layer is 30-50 cm, and the particle size is 0.9-1.2 mm; the thickness of the artificial filter material layer is 10-15 cm, and the particle size is 1-2 mm; and a permeable geotextile is laid between each layer of filter material to prevent the filter materials from being mixed.
Furthermore, the substrate used by the planting layer is planting sand or planting soil improved by the planting sand, the planting layer is concave downwards towards the center, and the thickness of the planting layer is 30-50 cm.
Further, the water-retaining sand layer comprises water-retaining particles, the particle size of the water-retaining particles is 3-5 mm, the porosity of the water-retaining particles is 50-70%, and the thickness of the water-retaining sand layer is 10-15 cm.
Further, the upper portion of one-level regulation pond is equipped with overflow drain pipe, and its minimum water level is higher than the second grade regulation pond and intakes and detains 10~15cm, and its tubular product and pipe diameter design according to actual demand, the pool wall in one-level regulation pond adopt waterproof geotechnological cloth to encapsulate entirely, overflow drain pipe wears waterproof geotechnological cloth department and consolidates the processing.
Furthermore, the water inlet grating is positioned at the center position right above the secondary storage tank, one water inlet grating is arranged at intervals of 0.5m, and the size of the grating hole is 1cm multiplied by 1 cm.
Furthermore, the bottom of the settling zone is a V-shaped groove.
Furthermore, the water outlet grids are positioned at the water outlet at the bottom of the permeation filtration area, the permeation filtration areas at two sides are respectively provided with 3 water outlet grids, the grid holes are 5mm multiplied by 5mm, and the water permeable geotextile is laid on the water outlet grids.
The novel sunken green land has the following advantages: the rainwater storage and purification device solves the problem that the structural design of the traditional sunken greenbelt is not enough, increases the rainwater storage and regulation capacity of the sunken greenbelt, improves the rainwater purification effect, reduces the groundwater pollution risk, and has the characteristics of simple structure, low operation cost and good infiltration filtration storage and regulation effects.
Drawings
FIG. 1 is a schematic elevation view of a novel embodiment of a sunken green land of the present invention.
Description of reference numerals:
1-planting layer, 2-water retention sand layer, 3-primary regulation pool, 31-overflow drain pipe, 32-waterproof pool wall, 33-water retention particle filter material, 4-secondary regulation pool, 41-water inlet grid, 42-flow guide partition wall, 43-pool wall, 44-overflow weir, 45-settling partition wall, 46-gravel particle layer, 47-quartz sand filter layer, 48-artificial filter material layer and 49-water outlet grid.
Detailed Description
In order to make the objects, technical solutions and technical features of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, and it should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
Fig. 1 is a schematic elevation view of a novel embodiment of the present invention. The novel formula of sinking greenery patches in this embodiment is including planting layer 1, water retention sand bed 2, one-level regulation pond 3 and second grade regulation pond 4. Planting layer 1 is located formula green space top layer that sinks, guarantor's water sand bed 2 is located planting layer 1 and the middle of one-level regulation pond 3, one-level regulation pond 3 is equipped with overflow drain pipe 31, waterproof pool wall 32, water retention granule filter material 33, second grade regulation pond 4 is located one-level regulation pond 3 central authorities, be equipped with into water grid 41, water conservancy diversion partition wall 42, pool wall 43, overflow weir 44, sediment partition wall 45, gravel granular layer 46, quartz sand filtering layer 47, artifical filtering layer 48, play water grid 49 in the second grade regulation pond 4.
The interior of the secondary regulation and storage tank 4 is divided into three areas, the central area is a sedimentation area, two sides are permeation and filtration areas, the sedimentation area and the permeation and filtration areas are separated by a sedimentation partition plate 45, and the top end of the sedimentation partition wall 45 is provided with an overflow weir 44; the upper part of the central sedimentation zone is provided with a water inlet of the secondary regulation and storage tank and a water inlet grid 41, the bottom of the permeation filtration zone is a water outlet, and a water outlet grid 49 is arranged. The penetration filtering area is divided into three layers, namely a gravel particle layer 46, a quartz sand filtering layer 47 and an artificial filtering material layer 48 from top to bottom; the thickness of the gravel particle layer 46 is 10-15 cm, and the particle size is 5-10 mm; the thickness of the quartz sand filtering layer 47 is 30-50 cm, and the particle size is 0.9-1.2 mm; the thickness of the artificial filter material layer 48 is 10-15 cm, and the particle size of particles is 1-2 mm; and a permeable geotextile is laid between each layer of filter material to prevent the filter materials from being mixed. The second grade regulation pond top is equipped with downwardly extending's water conservancy diversion partition wall 42, water conservancy diversion partition wall 42 sets up with the corresponding setting of the sediment partition wall 45 of settling zone both sides to make the rainwater that gets into from the second grade regulation pond top can only get into the settling zone, and can not get into the infiltration filtration district of settling zone both sides.
The working principle of the novel sunken green land in the embodiment is as follows: the rainwater on the road surface flows into the sunken green land through the open-pore curb, is filtered and purified through the planting layer 1 and the water-retaining sand layer 2, and then enters the primary regulation and storage tank 3, the wall of the tank is encapsulated by waterproof geotextile, and a water-retaining particle filter material 33 is arranged in the tank, so that the specific surface area of the particles is large, and the functions of water retention and pollutant adsorption are achieved; second grade regulation pond 4 is located 3 central authorities of one-level regulation pond, and the rainwater after 3 regulation of one-level regulation pond gets into second grade regulation pond 4 through the grid of intaking at 4 tops of second grade regulation pond, flows into the settling zone sand setting earlier, and the settling zone water gets into the filtering area of both sides through the overflow weir after full, and the filtering area is the three-layer filtering layer granule from top to bottom respectively, and the rainwater through filtration purification discharges through the export grid of bottom, gets into underground. The overflow outlet is positioned at the top of the water-retaining particle layer of the primary regulation and storage tank, and when the rainwater amount is greater than the regulation and storage capacity, the rainwater passes through the outlet discharge system.
The sunken greenbelt has the advantages of good rainwater storage effect, high purification efficiency, avoidance of underground water pollution, simple structural design, low operation cost and easiness in popularization and application.
The present invention has been further described with reference to the specific embodiments, but the specific description herein should not be construed as limiting the scope of the present invention, and those skilled in the art can appropriately change and modify the above-described embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. A formula of sinking greenery patches, includes planting the layer, planting layer lies in formula of sinking greenery patches top layer, its characterized in that: a primary regulation and storage tank is arranged in the subsided green land, the water retention sand layer is positioned between the planting layer and the primary regulation and storage tank, a secondary regulation and storage tank is arranged in the primary regulation and storage tank, the inner part of the secondary regulation and storage tank is divided into three areas, the central area is a sedimentation area, two sides are permeation and filtration areas, the sedimentation area and the permeation and filtration areas are separated by a partition plate, and the top end of the partition wall is an overflow weir; the upper part of the central sedimentation zone is provided with a water inlet of the secondary regulation and storage tank, and the bottom of the permeation filtration zone is a water outlet.
2. The sunk green land of claim 1, wherein: the pool wall in one-level regulation pond is waterproof pool wall, is equipped with in the one-level regulation pond and protects water granule filter material, and the second grade regulation pond is buried underground in the granule filter material of protecting water in one-level regulation pond, and the water inlet in second grade regulation pond is equipped with into water grid, and the water worker cloth that permeates water is laid to grid and the granule filter material juncture of protecting water, and the delivery port in second grade regulation pond is equipped with out the water grid, has also laid the water worker cloth that permeates water on the grid that goes out.
3. The sunk green land of claim 1, wherein: the water-retaining granular filter material is formed by mixing an artificial filter material and natural sand, the particle size is 1-3 mm, the porosity is 70-80%, and the water-retaining granular filter material has good water-retaining performance and a pollutant-adsorbing effect.
4. The sunk green land of claim 1, wherein: the penetration filtering area is divided into three layers, namely a gravel particle layer, a quartz sand filtering layer and an artificial filtering material layer from top to bottom; the thickness of the gravel particle layer is 10-15 cm, and the particle size is 5-10 mm; the thickness of the quartz sand filtering layer is 30-50 cm, and the particle size is 0.9-1.2 mm; the thickness of the artificial filter material layer is 10-15 cm, and the particle size is 1-2 mm; and a permeable geotextile is laid between each layer of filter material to prevent the filter materials from being mixed.
5. The sunk green land of claim 1, wherein: the medium used in the planting layer is planting sand or planting soil improved by the planting sand, the planting layer is concave downward towards the center, and the thickness of the planting layer is 30-50 cm.
6. The sunk green land of claim 1, wherein: the water-retaining sand layer comprises water-retaining particles, the particle size of the water-retaining particles is 3-5 mm, the porosity of the water-retaining particles is 50-70%, and the thickness of the water-retaining sand layer is 10-15 cm.
7. The sunk green land of claim 1, wherein: the upper portion of one-level regulation pond is equipped with the overflow drain pipe, and its minimum water level is higher than second grade regulation pond water inlet 10~15cm, the pool wall of one-level regulation pond adopt waterproof geotechnological cloth to wrap entirely, the overflow drain pipe wears waterproof geotechnological cloth department and consolidates the processing.
8. The sunk green land of claim 1, wherein: the bottom of the settling zone is a V-shaped groove.
9. The sunk green land of claim 2, wherein: the water inlet grating is positioned at the center position right above the secondary regulation and storage tank, one water inlet grating is arranged at intervals of 0.5m, and the size of the grating hole is 1cm multiplied by 1 cm.
10. The sunk green land of claim 2, wherein: the water outlet grids are positioned at the water outlet at the bottom of the permeation filtration area, the permeation filtration areas at two sides are respectively provided with 3 water outlet grids, and the grid holes are 5mm multiplied by 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330315.4A CN112411671A (en) | 2020-11-24 | 2020-11-24 | Formula of sinking greenery patches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330315.4A CN112411671A (en) | 2020-11-24 | 2020-11-24 | Formula of sinking greenery patches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112411671A true CN112411671A (en) | 2021-02-26 |
Family
ID=74777634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011330315.4A Pending CN112411671A (en) | 2020-11-24 | 2020-11-24 | Formula of sinking greenery patches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112411671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149371A (en) * | 2021-05-21 | 2021-07-23 | 上海市政工程设计研究总院（集团）有限公司 | Stepped rural sewage ecological treatment system and treatment method thereof |
-
2020
- 2020-11-24 CN CN202011330315.4A patent/CN112411671A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149371A (en) * | 2021-05-21 | 2021-07-23 | 上海市政工程设计研究总院（集团）有限公司 | Stepped rural sewage ecological treatment system and treatment method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103132485A (en) | External water interception and purification type urban river multi-element ecological embankment physical structural system | |
| CN211057960U (en) | Stepped rainwater storage and purification ecological retention system | |
| CN207727714U (en) | Sponge urban ecology filtration system | |
| CN207211336U (en) | A kind of novel rainwater is detained filtration system | |
| AU2021105271A4 (en) | Rainwater filtration garden | |
| CN109399800B (en) | River and lake runoff pollution cascade control system | |
| CN205502122U (en) | A rainwater collection clean system for urban afforestation | |
| CN210395596U (en) | Ecological town road in sponge city | |
| CN111919621B (en) | Cold region habitat recovery-based street tree pool structure and manufacturing method | |
| CN111058343A (en) | Sponge city ecological pavement system permeates water | |
| CN109183532B (en) | Depend on ecological utilization system of regulation of northern city rainwater of road | |
| CN106165568B (en) | It is a kind of for purifying the stepped concave herbaceous field of surface rain runoff | |
| CN208379724U (en) | The Rain Garden of Collapsible Loess District | |
| CN110012770B (en) | Rainwater garden capable of efficiently reducing runoff flow velocity and pollutants | |
| CN106865776B (en) | Multistage water-stacking rotary purification system for sponge urban low-lying land | |
| CN112411671A (en) | Formula of sinking greenery patches | |
| CN104264773A (en) | Flow storage wetland system for treating parking lot rainwater and adjusting microclimate | |
| CN214994259U (en) | Formula of sinking greenery patches | |
| CN205348113U (en) | Ecological interception system of filler - plant society formula irrigation canals and ditches - bank protection nitrogen phosphorus of can regenerating | |
| CN210712413U (en) | Permeable pavement sunken type green belt filtering, draining and storing system | |
| CN204112465U (en) | A kind of for the treatment of parking lot rainwater and regulate microclimate store stream wet land system | |
| CN211200669U (en) | Ecological tree pool | |
| CN204206806U (en) | Overflow-type Rain Garden system | |
| CN211571895U (en) | Biological detention type ecological tree pool | |
| CN220432538U (en) | Flood prevention retaining clean system suitable for along river discharge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |