CN219219200U

CN219219200U - Ecological tree pool structure in sponge city

Info

Publication number: CN219219200U
Application number: CN202320370298.XU
Authority: CN
Inventors: 谢鹏贵; 侯雷; 吴连丰; 王开春; 黄黛诗
Original assignee: Xiamen Urban Planning And Design Institute Co ltd
Current assignee: Xiamen Urban Planning And Design Institute Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-06-20
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a sponge city ecological tree pool structure, which consists of a tree pool, water collecting ditches and water storage modules, wherein the water collecting ditches are arranged on two sides of the tree pool and on a sidewalk, zeolite filter materials are arranged in the water collecting ditches, the water storage modules are arranged on two sides of the tree pool, the water collecting ditches are arranged above the water storage modules, openings are arranged at the bottoms of the joints of the water collecting ditches and the water storage modules, rainwater is collected and purified through the water collecting ditches and then is discharged into the water storage modules, and infiltration and overflow are realized in the water storage modules, so that compared with the existing ecological tree pool, the sponge city ecological tree pool structure has the advantages that: the catchment range of the ecological tree pool is enlarged, and the rainwater on the sidewalk can be fully collected; the water collecting function of the rain water inlet is realized, and the device can be used as a replacement facility of the rain water inlet of a roadway; the rainwater purification effect of the ecological tree pool is improved, and the problem that the traditional ecological tree pool is difficult to maintain is solved; the runoff total control function of the ecological tree pool is endowed, the peak flow of heavy rain can be reduced, and the problem of road ponding can be effectively relieved; the rainwater utilization effect of the ecological tree pool is improved.

Description

Ecological tree pool structure in sponge city

Technical Field

The utility model relates to a sponge city ecological tree pool structure, and belongs to the technical field of tree pools.

Background

Tree pools are indispensable greening nodes in cities. The existing common tree pool lacks an ecological concept, has the problems of narrow space, poor soil condition and weak energy discharge capacity, is generally higher than the ground, and can not naturally flow in rainwater when raining, and can not bear the functions of rainwater collection, absorption, regulation and purification.

The ecological tree pool has small occupied area, simple structure, flexible application and rainwater collection and utilization functions, and is widely applied to various projects such as road construction, sheet area transformation and the like. The existing ecological tree pool has similar construction concept, including planting soil layer, sand filter layer, aquifer, drainage pipeline, nursery stock, etc., the following problems commonly exist in practical application:

1. the rainwater collection range is small, the existing ecological tree pool basically adopts a punctiform water collection mode, the water collection range is limited to the tree pool and the peripheral area, the whole sidewalk and the whole pavement cannot be covered, most of the road rainwater still needs to be discharged through a rainwater port, and the rainwater regulation and purification efficiency is poor;

2. the runoff total control capability is weak, the main functions of the existing ecological tree pools are concentrated on the tree pools, the integral consideration of the road rainwater runoff total control is lacking, most ecological tree pools have no runoff total control function, and rainwater pollution reduction and rainwater peak reduction cannot be realized;

3. the water storage and supplementing effects are poor, the existing ecological tree pool basically has no water storage and supplementing functions, vegetation cannot be timely supplemented, and the vegetation in the tree pool is deficient in water in seasons with less rainwater, so that the growth of the vegetation is not facilitated;

4. the operation and maintenance are difficult, the maintenance is difficult after one part of the existing ecological tree pool is implemented in place, the filter layer structure and the seepage and discharge pipes are easy to be blocked, and the effect of rainwater regulation and storage, purification and slow release cannot be maintained for a long time.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a sponge urban ecological tree pool structure so as to solve the problems of small rainwater collection range, weak runoff total quantity control capability, poor water storage and supplementing effect and difficult operation and maintenance in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an ecological tree pond structure in sponge city, the tree pond is located on the pavement, pavement one side is equipped with the curb, be equipped with cast iron plate on the tree pond, this cast iron plate top flushes with the pavement, and cast iron plate below is equipped with planting soil layer, planting soil layer below is equipped with plain soil, be equipped with the catchment on tree pond all around and the both sides pavement, tree pond both sides below is equipped with the retaining module, the catchment is located retaining module top and catchment is equipped with the trompil with retaining module junction bottom, the catchment top is equipped with the comb, be equipped with a plurality of overflow mouth in the catchment all around the tree pond, this overflow mouth communicates with the retaining module, the zeolite filter material has been filled in the catchment, be equipped with the overflow pipe in the retaining module, this overflow pipe communicates with the rainwater pipe network.

Further, the tree pool structure is a square structure with a side length of 0.8 m.

Further, the water collecting ditch body is of a rectangular section, the ditch width is 0.15m, and the ditch depth is 0.3m.

Further, the top of the overflow port is lower than the pavement by 0.03-0.06 m.

Further, the curb is provided with openings with the height of 0.1m and the width of 0.4m, and the openings are separated by grate bars and are communicated with the water collecting ditch.

Further, the particle size of the zeolite filter material is 8-16 mm, and the zeolite filter material is wrapped by water permeable geotextile, and the filling depth is 0.15m.

Further, the single structure of the water storage module is a cuboid with the length of 1.2m, the width of 0.6m and the height of 0.5m, the water storage module is made of HDPE materials, the outer wall is provided with holes, the periphery and the bottom of the water storage module are provided with mud blocking layers, the thickness of the mud blocking layers is 20mm, pebbles are filled in the water storage module, and the filling porosity is not lower than 30%.

Further, the joint of the top of the water storage module and the water collecting ditch is hollowed out, and rainwater purified by the water collecting ditch permeates into the water storage module from the top.

Further, the water collecting ditch is provided with slope construction, and the slope is towards the tree pool.

Further, the outer wall of the water collecting ditch is made of high-density polyethylene, and the wall thickness is 3mm.

Advantageous effects

Compared with the existing ecological tree pool, the sponge urban ecological tree pool structure has the advantages that:

(1) The catchment range of the ecological tree pool is enlarged, and the rainwater on the sidewalk and the rainwater on the roadway can be effectively collected through the catchment ditch and the opening of the curb; for new city road engineering, the novel city road engineering has the function of collecting water of the road surface inlet for water, and can be used as a replacing facility of the road surface inlet for water;

(2) The rainwater purification effect of the ecological tree pool is improved, the zeolite filler bags are arranged in the water collecting ditch, so that the initial rainwater can be sufficiently purified, and meanwhile, the zeolite filler bags are convenient to maintain and manage, so that the problem that the traditional ecological tree pool is difficult to maintain is solved;

(3) The utility model provides the runoff total amount control function for the ecological tree pool, and compared with the traditional ecological tree pool, the water storage module arranged in the tree pool has the rainwater runoff total amount control function, and meanwhile, the peak storm flow can be reduced, and the road ponding problem can be effectively relieved;

(4) The rainwater utilization effect of the ecological tree pool is improved, the rainwater in the water storage module slowly releases and supplements groundwater, vegetation growth is facilitated, and the rainwater utilization efficiency is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic plan view of a sponge city ecological tree pool structure of the present utility model;

FIG. 2 is a cross-sectional view of a sponge city ecological tree pool structure of the present utility model;

FIG. 3 is a cross-sectional view of a sponge city ecological tree pool structure of the present utility model;

FIG. 4 is a cross-sectional view of a catchment ditch of a sponge city ecological tree pool structure of the present utility model.

In the figure: the tree pool comprises a tree pool-1, a water collecting ditch-2, a water storage module-3, a cast iron plate-11, a planting soil layer-12, plain soil-13, a cast iron grate-21, an overflow port-22, a zeolite filter material-23 and an overflow pipe-31.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, 2, 3 and 4, the utility model provides a technical scheme of a sponge city ecological tree pool structure: the tree pool is arranged on a sidewalk, and a curb is arranged on one side of the sidewalk, and the tree pool is characterized in that: be equipped with cast iron plate on the tree pond, this cast iron plate top flushes with the pavement, and cast iron plate below is equipped with planting soil layer, planting soil layer below is equipped with plain soil, be equipped with the catchment on tree pond all around and the both sides pavement, tree pond both sides below is equipped with the retaining module, the catchment is located retaining module top and catchment and retaining module junction bottom is equipped with the trompil, the catchment top is equipped with cast iron grate, be equipped with a plurality of overflow mouth in the tree pond all around the catchment, this overflow mouth communicates with the retaining module, zeolite filter material has been filled in the catchment, be equipped with the overflow pipe in the retaining module, this overflow pipe communicates with municipal rainwater pipe network.

More preferably, the tree pool 1 is of a square structure with side length of 0.8m, the ditch body of the water collecting ditch 2 is of a rectangular section, the ditch width is 0.15m, the ditch depth is 0.3m, the top of the overflow port 22 is 0.03 m-0.06 m higher than the bottom of the water collecting ditch 2, an opening is arranged on the curb, the height of the opening is 0.1m, the width is 0.4m, the opening is separated by a grate, the opening is communicated with the water collecting ditch 2, the grain size of the zeolite filter material 23 is 8-16 mm, the water collecting ditch is wrapped by water permeable geotextile, the filling depth is 0.15m, the single structure of the water storage module 3 is of a cuboid with length of 1.2m, the width is 0.6m and the height of 0.5m, the water storage module 3 is made of HDPE material, a mud blocking layer is arranged at the periphery and the bottom of the water storage module 3, the mud blocking thickness is 20mm, the filling porosity is not lower than 30%, the joint of the top of the water storage module 2 and the water collecting ditch 2 is hollowed out, the rainwater purified by the water collecting ditch penetrates into the water storage module from the top, the water storage module 2 has the wall thickness of the water collecting ditch 1, the water storage module is made of high-grade and the water storage layer 2, and the water storage layer is made of high-grade density and has the wall density of the water storage layer 2 mm.

Examples (example)

Referring to fig. 1-4, when in use, the water collecting ditch 2 is arranged at the non-tree pool 1 section of the sidewalk, is mainly used for collecting sidewalk rainwater, and purifying the sidewalk rainwater, and is discharged into the water storage module 3 below the tree pool, the rainwater stored in the water storage module 3 can permeate through the mud blocking layer, permeate into the tree pool 1 and the surrounding soil of the module, and has the function of supplementing groundwater, the water storage module 3 is provided with the overflow pipe 31 close to the top outer wall, the overflow pipe 31 is connected to a municipal rainwater pipe network, when the rainwater in the water storage module exceeds the overflow pipe 31 due to heavy rain, the clean rainwater in the water storage module 3 overflows into the municipal rainwater pipe network system.

The utility model solves the problems of small rainwater collection range, weak runoff total control capability, poor water storage and supplementing effect and difficult operation and maintenance in the prior art, and by mutually combining the components, compared with the prior ecological tree pool, the utility model has the advantages that: the catchment range of the ecological tree pool is enlarged, and the rainwater on the sidewalk and the rainwater on the roadway can be effectively collected through the catchment ditch and the opening of the curb; for new city road engineering, the novel city road engineering has the function of collecting water of the road surface inlet for water, and can be used as a replacing facility of the road surface inlet for water; the rainwater purification effect of the ecological tree pool is improved, the zeolite filler bags are arranged in the water collecting ditch, so that the initial rainwater can be sufficiently purified, and meanwhile, the zeolite filler bags are convenient to maintain and manage, so that the problem that the traditional ecological tree pool is difficult to maintain is solved; the utility model provides the runoff total amount control function for the ecological tree pool, and compared with the traditional ecological tree pool, the water storage module arranged in the tree pool has the rainwater runoff total amount control function, and meanwhile, the peak storm flow can be reduced, and the road ponding problem can be effectively relieved; the rainwater utilization effect of the ecological tree pool is improved, the rainwater in the water storage module slowly releases and supplements groundwater, vegetation growth is facilitated, and the rainwater utilization efficiency is improved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a ecological tree pond structure in sponge city, tree pond (1) is located on the pavement, pavement one side is equipped with curb, its characterized in that: be equipped with cast iron board (11) on tree pond (1), this cast iron board (11) top flushes with the pavement, and cast iron board (11) below is equipped with planting soil layer (12), planting soil layer (12) below is equipped with plain soil (13), be equipped with water catch bowl (2) around tree pond (1) and on the pavement of both sides, tree pond (1) both sides below is equipped with retaining module (3), water catch bowl (2) are located retaining module (3) top and water catch bowl (2) and are equipped with the trompil with retaining module (3) junction bottom, water catch bowl (2) top is equipped with cast iron comb (21), be equipped with a plurality of overflow mouth (22) in water catch bowl (2) around tree pond (1), this overflow mouth (22) communicate with retaining module (3), be equipped with overflow pipe (31) in retaining module (3) in water catch bowl (2), this overflow pipe (31) communicate with municipal pipe network.

2. The sponge urban ecological tree pool structure as claimed in claim 1, wherein: the tree pool (1) is of a square structure with the side length of 0.8 m.

3. The sponge urban ecological tree pool structure as claimed in claim 1, wherein: the water collecting ditch (2) has a rectangular section, the ditch width is 0.15m, and the ditch depth is 0.3m.

4. The sponge urban ecological tree pool structure as claimed in claim 1, wherein: the top of the overflow port (22) is lower than the pavement by 0.03-0.06 m.

5. The sponge urban ecological tree pool structure as claimed in claim 1, wherein: the kerbstone is provided with an opening with the height of 0.1m and the width of 0.4m, and is provided with a grid section for separation, and the opening is communicated with the water collecting ditch (2).

6. The sponge urban ecological tree pool structure as claimed in claim 1, wherein: the particle size of the zeolite filter material (23) is 8-16 mm, and the zeolite filter material is wrapped by water permeable geotextile, and the filling depth is 0.15m.

7. The sponge urban ecological tree pool structure as claimed in claim 1, wherein: the water storage module (3) monomer structure is long 1.2m, wide 0.6m, high 0.5 m's cuboid, adopts HDPE material to make, and outer wall trompil, water storage module (3) are equipped with the fender mud layer with the bottom all around, and fender mud layer thickness is 20mm, and water storage module (3) top and water catch bowl (2) junction fretwork.