CN213343732U

CN213343732U - Sponge type ecological green land structure

Info

Publication number: CN213343732U
Application number: CN202021291318.7U
Authority: CN
Inventors: 余松
Original assignee: Zhejiang Nanshan Environmental Construction Co Ltd
Current assignee: Zhejiang Nanshan Environmental Construction Co Ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-06-04
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to an ecological greenbelt structure of sponge type relates to urban afforestation's technical field, including plant species layer, percolation layer, the percolation layer sets up plant species and plants layer below, percolation layer below still is equipped with rainwater collection device. The utility model discloses have to accumulate and reuse, reduce the effect of city water burden to the rainwater.

Description

Sponge type ecological green land structure

Technical Field

The utility model belongs to the technical field of urban afforestation's technique and specifically relates to an ecological greenbelt structure of sponge type is related to.

Background

The sponge city refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can also be called as a water elasticity city. The construction of sponge cities preferentially utilizes a natural drainage system to construct ecological drainage facilities, fully exerts the functions of absorbing, storing, permeating and slowly releasing rainwater of urban gardens, greenbelts, roads, water systems and the like, ensures that hydrological characteristics after urban development and construction are close to those before development, effectively relieves urban waterlogging, reduces urban runoff pollution load, saves water resources, protects and improves urban ecological environment, and provides important guarantee for constructing sponge cities with natural storage, natural permeation and natural purification functions.

Chinese patent No. CN206232572U discloses a functional rainwater garden suitable for sponge type community, comprising a pre-infiltration layer, an aquifer and an overflow facility; the pre-infiltration layer comprises an annular side slope arranged at the periphery of the garden, a zeolite-activated carbon filtration system is paved on the annular side slope, and the part of the annular side slope far away from the garden is higher than the part of the annular side slope close to the garden; the water storage layer comprises a covering layer, a planting soil layer, a percolation layer and a packing layer which are arranged from top to bottom in sequence; the overflow pipe of the overflow facility penetrates through the water storage layer along the vertical direction, and the overflow port of the overflow facility is higher than the water storage layer. When raining, the rainwater firstly passes through the pre-infiltration layer and is finally collected in the water storage layer of the pre-infiltration layer.

The above prior art solutions have the following drawbacks: according to the technical scheme, the rainwater is accumulated through the water storage layer, no specific space is provided for collecting the rainwater, the rainwater accumulation capacity is small, when the rainfall is large, the rainwater accumulation capacity of the water storage layer is insufficient, the rainwater cannot be sufficiently accumulated, and the rainwater cannot be repeatedly used in the subsequent process.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, one of the purposes of the utility model is to provide an ecological greenery patches structure of sponge type, it has to accumulate and reuse, reduce the effect of city water burden to the rainwater.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an ecological greenery patches structure of sponge type, includes plant species and plants layer, percolation layer sets up plant species and plants layer below, percolation layer below still is equipped with rainwater collection device.

Through adopting above-mentioned technical scheme, after raining, not only have plant to plant layer and percolation layer and can accumulate the rainwater, rainwater collection device can accumulate the rainwater in addition, and rainwater collection device stores the rainwater and gets up in order to need from time to time, has to accumulate the rainwater and reuse, reduces the effect that urban water was born.

The present invention may be further configured in a preferred embodiment as: the percolation layer comprises a stone layer, a sand layer and an activated carbon adsorption layer which are sequentially arranged from top to bottom.

Through adopting above-mentioned technical scheme, the rainwater gets into the cistern through the filtration back on stone layer, sand bed and activated carbon adsorption layer in proper order, prevents that foreign matter and impurity from getting into the cistern, causes the influence to the retaining volume of cistern.

The present invention may be further configured in a preferred embodiment as: the rainwater collection device comprises a reservoir, a first water inlet pipeline penetrating through the plant planting layer is arranged on the reservoir, a water outlet pipeline penetrating through the plant planting layer is further arranged on the reservoir, and a second water inlet pipeline communicated with the reservoir is arranged on the activated carbon adsorption layer.

By adopting the technical scheme, when rainfall is more, the accumulation amount of the plant planting layer and the infiltration layer to rainwater is not enough to accumulate the rainwater, and the rainwater is accumulated above the plant planting layer; or when the rainfall is large in unit time, the infiltration action of the rainwater along the plant planting layer and the infiltration layer is slow, so that the rainwater is gathered above the plant planting layer; the liquid level of the rainwater on the plant planting layer rises, when the liquid level of the rainwater rises to the water inlet at the upper end of the first water inlet pipeline, the rainwater enters the reservoir from the first water inlet pipeline and the second water inlet pipeline when entering the reservoir from the first water inlet pipeline, and after the rainwater is accumulated, the rainwater can flow out from the water outlet pipeline for utilization.

The present invention may be further configured in a preferred embodiment as: the water outlet pipeline is fixedly connected with a water pump at one end in the water storage tank, and a sprayer is arranged at one end of the water outlet pipeline above the plant planting layer.

Through adopting above-mentioned technical scheme, the rainwater that accumulates in the cistern can be carried by the water pump, carries to plant the layer top from outlet pipe way to the plant to plant the layer after the spray thrower and plant the layer and spray water, thereby realize the reuse to the rainwater that accumulates in the cistern, and the rainwater after spraying passes through the filtration back on stone layer, sand bed and active carbon adsorption layer in proper order, can follow the second inlet channel again and get into the cistern, thereby can realize the reuse many times of rainwater.

The present invention may be further configured in a preferred embodiment as: and a rotating ball is arranged in the sprayer.

Through adopting above-mentioned technical scheme, the spray thrower is when spraying water to the plant, and rivers cushion rivers in the effect of rolling ball when the spray thrower for rivers reduce the impact force to the spray thrower, and rivers are in rolling ball department, because the space is few, and the water pressure increase, when following the spray thrower blowout, the lift of spray thrower is farther.

The present invention may be further configured in a preferred embodiment as: one end of the first water inlet pipeline, which is positioned above the plant planting layer, is also connected with a filter; the filter comprises an upper plate surface, a lower plate surface, a side wall arranged between the upper plate surface and the lower plate surface, a PP cotton filter layer, a sponge filter layer and a filter screen, wherein the PP cotton filter layer, the sponge filter layer and the filter screen are sequentially arranged outside the side wall from inside to outside; the side wall is provided with an opening.

By adopting the technical scheme, considering that impurities on the plant planting layer can rise along with the rise of the liquid level in the process of gathering rainwater on the plant planting layer and can fall along with the fall of the liquid level in the process of falling rainwater on the liquid level of the plant planting layer, the opening hole of the filter is formed in the side wall so as to prevent the impurities from blocking the opening hole along with the rise and fall of the liquid level; the rainwater entering the reservoir through the first water inlet pipeline is sequentially filtered by the filter screen, the sponge layer and the PP cotton layer, and then enters the reservoir through the opening in the side wall to collect the rainwater.

The present invention may be further configured in a preferred embodiment as: the second water inlet pipeline is provided with a through hole, and the outer wall of the second water inlet pipeline is provided with a filter layer.

Through adopting above-mentioned technical scheme, the rainwater permeates the activated carbon adsorption layer after passing through the filtration of stone layer, sand bed and activated carbon adsorption layer in proper order, and after the filter layer of second inlet channel outer wall filters again, from the through-hole entering second inlet channel on the second inlet channel, finally gets into the cistern.

The present invention may be further configured in a preferred embodiment as: the filter layer comprises a PP cotton layer and a sponge layer, the PP cotton layer is arranged on the inner wall of the second water inlet pipeline, and the sponge layer is fixedly connected to the outer wall of the PP cotton layer.

By adopting the technical scheme, when the rainfall is small, the rainwater is filtered by the stone layer, the sand layer and the activated carbon adsorption layer in sequence, and then enters the reservoir through the second water inlet pipeline with the upper water inlet positioned on the activated carbon adsorption layer, so that the rainwater is accumulated; and the rainwater after stone layer, sand bed and active carbon adsorption layer filter no longer contains impurity or foreign matter, can not cause the influence by the retaining volume of cistern.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the rainwater is accumulated and reused to reduce the urban water burden;

2. rainwater entering the reservoir is filtered for multiple times, so that impurities are prevented from being brought into the reservoir and being gathered in the reservoir to influence the use of the reservoir.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the filter of FIG. 1;

FIG. 3 is a schematic view of the second inlet line and the filter of FIG. 1;

fig. 4 is an enlarged schematic view of a structure at a in fig. 1.

In the figure, 1, a plant growing layer; 2. a percolation layer; 21. a stone layer; 22. a sand layer; 23. an activated carbon adsorption layer; 3. a rainwater collection device; 31. a first water inlet pipeline; 32. a second water inlet pipeline; 321. a through hole; 322. a filter layer; 3221. a PP cotton filter layer; 3222. a sponge filter layer; 33. a reservoir; 34. a water outlet pipeline; 35. a water pump; 36. a sprayer; 361. rotating the ball; 37. a filter; 371. feeding a plate surface; 372. a lower plant growing layer; 2. a percolation level; 373. a side wall; 374. opening a hole; 375. a PP cotton layer; 376. a sponge layer; 377. and (4) a filter screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, in order to disclose the utility model, the sponge type ecological green land structure comprises a plant planting layer 1, a percolation layer 2 is arranged below the plant planting layer 1, a first layer of the percolation layer 2 is a stone layer 21 arranged below the plant planting layer 1, a second layer of the percolation layer 2 is a sand layer 22 arranged below the stone layer 21, and a third layer of the percolation layer 2 is an activated carbon adsorption layer 23 arranged below the sand layer 22; a rainwater collecting device 3 is also arranged below the activated carbon adsorption layer 23.

Referring to fig. 1 and 2, the rainwater collecting device 3 includes a reservoir 33 located below the activated carbon adsorption layer 23, and a first water inlet pipe 31, a second water inlet pipe 32, the reservoir 33 and a water outlet pipe 34 are vertically disposed at an upper end of the reservoir 33.

The lower end of the first water inlet pipeline 31 is communicated with the upper end of the reservoir 33, the upper end of the first water inlet pipeline 31 extends upwards to sequentially penetrate through the percolation layer 2 and the plant growing layer 1 and finally is positioned above the plant growing layer 1, and the distance from the upper end opening of the first water inlet pipeline 31 to the upper end surface of the plant growing layer 1 is 3-5 cm; the filter 37 is arranged at the upper port of the first water inlet pipeline 31, the filter 37 comprises a lower plate 371 communicated with the first water inlet pipeline 31, a side wall 373 is arranged on the lower plate, an opening 374 is formed in the side wall 373, a PP cotton layer 375 is further arranged on the outer layer of the side wall, a sponge layer 376 is further arranged on the outer layer of the PP cotton layer 375, and a filter screen 377 is further arranged on the outer layer of the sponge layer 376; the side wall 373 has a lower plate 372.

The lower end of the water outlet pipeline 34 is connected to the bottom of the reservoir 33, the outlet at the lower end of the water outlet pipeline 34 is connected with a water pump 35, the upper end of the water outlet pipeline 34 extends upwards, and passes through the percolation layer 2 and the plant growing layer 1 in sequence and finally is positioned above the plant growing layer 1, the upper end of the water outlet pipeline 34 is also provided with a sprayer 36, and the distance between the sprayer 36 and the surface of the plant growing layer 1 is 30-50 cm. The sprinkler 36 is provided with a rotary ball 361 (see fig. 4), the rotary ball 361 plays a role of protection when water is sprayed out through the sprinkler 36, and the material of the rotary ball 361 is preferably a metal material.

Referring to fig. 1 and 3, the lower end of the second water inlet pipeline 32 is communicated with the upper end of the reservoir 33, the upper end of the second water inlet pipeline 32 extends upwards and is flush with the upper layer of the activated carbon adsorption layer 23, a through hole 321 is formed in the side wall of the second water inlet pipeline 32, and a filter layer 322 is arranged outside the side wall of the second water inlet pipeline 32. The material of the second inlet conduit 32 is preferably a metallic material. Wherein, the filtering layer 322 comprises a PP cotton filtering layer 3221 directly arranged outside the sidewall of the second water inlet pipeline 32, and a sponge filtering layer 3222 is arranged outside the PP cotton filtering layer 3221.

The implementation principle of the embodiment is as follows: when the rainfall is small, the rainwater enters the reservoir 33 through the second water inlet pipeline 32, so that the rainwater is accumulated; when the rainfall is more, the accumulation amount of the plant planting layer 1 and the percolation layer 2 to the rainwater is not enough to accumulate the rainwater, and the rainwater is accumulated above the plant planting layer 1; or when the rainfall is large in unit time, the infiltration action of the rainwater along the plant planting layer 1 and the infiltration layer 2 is slow, so that the rainwater is gathered above the plant planting layer 1; rainwater enters the reservoir 33 through the second water inlet pipe 32 and the first water inlet pipe 31, and is accumulated.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an ecological green space structure of sponge type, includes plant species plants layer (1), percolation layer (2), its characterized in that: the filtration layer (2) is arranged below the plant planting layer (1), and a rainwater collecting device (3) is further arranged below the filtration layer (2).

2. The ecological greenbelt structure of claim 1, further comprising: the infiltration layer (2) comprises a stone layer (21), a sand layer (22) and an activated carbon adsorption layer (23) which are sequentially arranged from top to bottom.

3. The ecological greenbelt structure of claim 2, wherein: rainwater collection device (3) include cistern (33), be provided with on cistern (33) and pass first inlet channel (31) on layer (1) is planted to the plant, still be equipped with on cistern (33) and pass outlet channel (34) on layer (1) is planted to the plant, be provided with on active carbon adsorption layer (23) with second inlet channel (32) of cistern (33) intercommunication.

4. The ecological greenbelt structure of claim 3, wherein: one end of the water outlet pipeline (34) in the water storage tank (33) is fixedly connected with a water pump (35), and one end of the water outlet pipeline (34) above the plant planting layer (1) is provided with a sprayer (36).

5. The ecological greenbelt structure of claim 4, wherein: a rotating ball (361) is arranged in the sprayer (36).

6. The ecological greenbelt structure of claim 3, wherein: first inlet channel (31) is in one end fixedly connected with filter (37) of plant planting layer (1) top, filter (37) include face (371), lower face, set up lateral wall (373) between last face (371) and lower face, set gradually PP cotton filtering layer (3221), sponge filtering layer (3222) and filter screen (377) outside lateral wall (373) from inside to outside, trompil (374) has been seted up on lateral wall (373).

7. The ecological greenbelt structure of claim 3, wherein: the water filter is characterized in that a through hole (321) is formed in the second water inlet pipeline (32), and a filter layer (322) is arranged on the outer wall of the second water inlet pipeline (32).

8. The ecological greenbelt structure of claim 7, wherein: the filter layer (322) comprises a PP cotton layer (375) and a sponge layer (376), the PP cotton layer (375) is arranged on the inner wall of the second water inlet pipeline (32), and the sponge layer (376) is fixedly connected to the outer wall of the PP cotton layer (375).