CN219471141U - Ecological system for constructing landscape and sponge cities - Google Patents

Abstract

The utility model discloses an ecological system for constructing a landscape and sponge city, which belongs to the field of landscape construction and comprises a permeable pipe, a water storage module and a water absorption strip, wherein the water storage module is buried in soil below the permeable pipe, the bottom end of the permeable pipe stretches into the water storage module, the water absorption strip is buried in the soil, the bottom end of the water absorption strip stretches into the water storage module, the top end of the water absorption strip extends to the surface of shallow soil or soil, so that excessive rainwater is temporarily stored in the water storage module, and when the moisture on the surface of the shallow soil or soil is insufficient, the moisture is automatically transmitted from the water storage module to the surface of the shallow soil or soil. On one hand, the utility model can prevent the excessive accumulation of rainwater on the surface of soil body in rainy season, which causes the rot of plant root system; on the other hand, the rainwater stored in the soil can be effectively utilized in dry seasons, and the moisture on the surface of shallow soil or soil body is ensured.

Description

Ecological system for constructing landscape and sponge cities

Technical Field

The utility model belongs to the field of landscape construction, and particularly relates to an ecological system for constructing a landscape and sponge city.

Background

The sponge city is a novel city rain and flood management concept in recent modern times, and mainly aims to realize the recycling of rainwater in the city by treating the rainwater, compare the city with the sponge, have water elasticity and reduce a series of disasters caused by rain and flood.

Because the rainwater in the traditional field enters the detention ditch or the landscape paving field, the traditional sponge city technology is limited and the system properties of the storage pool and the ecological detention ditch are regulated. Only solves the problem of water storage with large rainfall in long time under the condition of high-temperature climate. Moderate rain or short-time heavy rain will be abandoned to the urban pipeline or evaporated, the deep soil cannot be penetrated, and meanwhile, the evaporation consumption of the rainwater detention ditch is high, so that the deep water content is insufficient.

In addition, the construction facility cost of the regulating reservoir required by the outdoor landscape is high, and the subsequent operation and maintenance cost is high. The rainwater garden is widely popularized and applied due to the advantages of low construction cost, good landscape effect, easy operation and the like.

Disclosure of Invention

The utility model aims to provide an ecological system for constructing landscapes and sponge cities, which is used for solving the problem that the deep water content is insufficient after rainwater in the traditional field enters a detention ditch or a landscape paving field; the subsequent operation and maintenance cost of the outdoor landscape is high; the technical problem that plant root rot is easily caused when the rainfall of the rainwater garden is too large.

Therefore, the utility model provides an ecological system for constructing landscapes and sponge cities, which comprises a permeable pipe, a water storage module and a water absorption strip, wherein the water storage module is buried in soil below the permeable pipe, the bottom end of the permeable pipe stretches into the water storage module, the water absorption strip is buried in the soil, the bottom end of the water absorption strip stretches into the water storage module, and the top end of the water absorption strip extends to shallow soil or the surface of the soil.

Preferably, the water storage module comprises a hollow brick and waterproof materials wrapped on the bottom layer and the periphery of the hollow brick, and the bottom ends of the water absorption strips and the bottom ends of the water permeable pipes extend into the hollow brick.

Preferably, the waterproof material is waterproof geotextile.

Preferably, the top of the hollow brick is paved with a permeable geotextile, and the permeable pipe penetrates through the permeable geotextile and stretches into the hollow brick.

Preferably, the top of the permeable tube is provided with a filter tank.

Preferably, the filter tank is detachably connected with the water permeable pipe.

Preferably, the ecological system further comprises a retaining wall, a drain pipe and an ecological planting ditch, the water permeable pipe, the water storage module and the water absorbing strip are all arranged on the upper side of the retaining wall, the drain pipe penetrates through the retaining wall, one end of the drain pipe extends into the water storage module, and the other end of the drain pipe extends to the ecological planting ditch.

Preferably, the ecological planting ditch is internally provided with a water seepage pipe and a water reservoir positioned at the bottom of the water seepage pipe.

Preferably, the foundation of the ecological planting ditch comprises a gravel layer, a middle coarse sand layer and a planting soil layer from bottom to top.

Preferably, the infiltration pipe comprises a top infiltration pipe and a bottom infiltration pipe, wherein the top of the top infiltration pipe extends out of the planting soil layer, and the bottom infiltration pipe is arranged in the gravel layer.

Compared with the prior art, the utility model has the characteristics and beneficial effects that: according to the utility model, the water storage module is buried in the soil body below the permeable pipe, so that rainwater on the surface of the soil body is collected by the water storage module. The water absorbing strips are buried in the soil body, the bottom ends of the water absorbing strips extend into the water storage module, the top ends of the water absorbing strips extend to the surface of shallow soil or the soil body, so that excessive rainwater is temporarily stored in the water storage module, when the water on the surface of the shallow soil or the soil body is insufficient, the water is automatically transmitted to the surface of the shallow soil or the soil body from the water storage module, and on one hand, excessive accumulation of the rainwater on the surface of the soil body in a rainy season can be prevented, and plant root rot is caused; on the other hand, the rainwater stored in the soil can be effectively utilized in dry seasons, and the moisture on the surface of shallow soil or soil body is ensured.

Drawings

Fig. 1 is a schematic diagram of an ecosystem of the present utility model.

The drawings are marked: 1-filter tank, 2-water permeable pipe, 3-water permeable geotextile, 4-hollow brick, 5-waterproof material, 6-water absorbing strip, 7-drain pipe, 8-retaining wall, 9-top water permeable pipe, 10-bottom water permeable pipe, 11-planting soil layer, 12-middle coarse sand layer, 13-gravel layer, 14-cistern.

Detailed Description

The present utility model will be further described below in order to make the technical means, innovative features, achieved objects and effects achieved by the present utility model easy to understand.

The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the ecological system for constructing a landscape and sponge city comprises a permeable pipe 2, a water storage module and a water absorption strip 6, wherein the water storage module is buried in the soil below the permeable pipe 2, the bottom end of the permeable pipe 2 extends into the water storage module, the water absorption strip 6 is buried in the soil, the bottom end of the water absorption strip 6 extends into the water storage module, and the top end of the water absorption strip 6 extends to the surface of shallow soil or soil. When the rainfall is too large, rainwater flows into the water storage module through the water permeable pipe 2 and is stored, so that plant root rot caused by excessive moisture is prevented. In dry season, water in the water storage module permeates into the surface of shallow soil or soil body through the water absorbing strips 6, so that the water of plants in dry season is ensured. The water absorbing strips 6 are sponge strips, the water content of the shallow soil or the soil surface can be adjusted by adjusting the number of the water absorbing strips 6, and the soil water content of different depths can be adjusted by adjusting the length of the water absorbing strips 6. According to the utility model, the rainwater retention belt is additionally arranged on the soil layer, and the water is conveyed to the surface of shallow soil or soil body through the capillary water absorption effect of the water absorption strip 6, so that the seepage and drainage functions of the field are improved.

In order to preliminarily filter soil impurities carried by rainwater radial flow, the utility model is provided with a filter tank 1 at the top of a permeable pipe 2. The filter tank 1 is blocked by using plant and pebble cushion layers, which is beneficial to the beautification of the field. The filter tank 1 is detachably connected with the permeable tube 2, specifically, the filter tank 1 and the permeable tube 2 can be fastened or clamped, and of course, other modes which are convenient to install and detach can be applied to the utility model. Later stage can in time change filter tank 1 when damage appears it.

The water storage module comprises a hollow brick 4, waterproof materials 5 wrapping the bottom layer and the periphery of the hollow brick 4, and the bottom ends of water absorption strips 6 and the bottom ends of water permeable pipes 2 extend into the hollow brick 4. The waterproof material 5 is waterproof geotextile. The water permeable geotextile 3 is laid on the top of the hollow brick 4, and the water permeable pipe 2 penetrates through the water permeable geotextile 3 and stretches into the hollow brick 4. The permeable geotextile 3 is used for secondary filtration of rainwater. The waterproof material 5 wraps the hollow bricks 4 to prevent water from overflowing, and the permeable geotechnical cloth 3 at the top achieves the effect of upwards evaporating water on the premise of preventing impurities from penetrating.

The ecological system of the utility model also comprises a retaining wall 8, a drain pipe 7 and an ecological planting ditch, wherein the permeable pipe 2, the water storage module and the water absorbing strip 6 are all arranged on the upper side of the retaining wall 8, the drain pipe 7 penetrates through the retaining wall 8, one end of the drain pipe 7 extends into the water storage module, and the other end extends to the ecological planting ditch. When the water level of the water storage module reaches the drain pipe 7, water in the water storage module enters the ecological planting ditch through the drain pipe 7. One end of the drain pipe 7, which is positioned in the ecological planting ditch, is provided with an upward chamfer.

The foundation of the ecological planting ditch comprises a gravel layer 13, a middle coarse sand layer 12 and a planting soil layer 11 from bottom to top. The ecological planting ditch is provided with a water seepage pipe and a water reservoir 14 positioned at the bottom of the water seepage pipe. The infiltration pipe includes top infiltration pipe 9 and bottom infiltration pipe 10, and planting soil layer 11 is stretched out at the top of top infiltration pipe 9, and bottom infiltration pipe 10 sets up in gravel layer 13. The rainwater is discharged in the planting soil layer 11, so that the water pit or the soil layer is saturated and slowly oozes, and the excessive water can ooze to the reservoir 14 through the top water seepage pipe 9. The water quantity infiltrates downwards to the gravel layer 13, the water in the gravel layer 13 is transmitted to the reservoir 14 by the bottom water seepage pipe 10, and the water in the reservoir 14 is used for irrigating plants, so that the rainwater is recycled. According to the utility model, the water seepage pipe and the filter tank 1 are buried in a greening space, and impurities generated in the rainwater runoff can be partially effectively blocked through the plant and pebble cushion check, so that the purity of the site rainwater is further improved on the basis of combining the water filtering device; meanwhile, the hidden arrangement is beneficial to the beautification of the field.

Aiming at the defects of a rainwater garden, the method simultaneously discharges the residual rainwater to the next stage of land in the rainwater seepage process until the last stage of land is collected in the reservoir 14, and the method can automatically discharge and store the soil after the soil moisture is saturated according to the size of the land rainfall, so that the water quantity required by vegetation growth in the land is effectively ensured.

The ecological system of the utility model is easy to install, convenient to construct and capable of being disassembled aiming at the filter tank 1 which is easy to damage and leak stoppage.

The design principle of the ecological system is as follows: the field rainwater is gathered to the low-lying place from high to low, infiltrates downwards through the filter tank 1 and overflows to the permeable pipe 2, and enters the hollow brick 4 wrapped by the waterproof material 5 after being filtered for the second time through the permeable geotechnical cloth 3. When the rainfall is too low or moderate, the site rainwater is mainly drained to the surface of shallow soil or soil body through the water absorbing strips 6 which are inserted into the inner side and the outer side of the hollow bricks 4. When the rainfall is too large, rainwater is collected in the hollow bricks 4, one part of the rainwater is drained by the water absorbing strips 6, and the other part of the rainwater reaches the elevation of the drain pipe 7 and is discharged to the next layer of the ladder. The landscape bench water storage and drainage arrangement adopts the arrangement that the water is drained to the next stage step in sequence.

Specifically, taking an example of an ecological system, the specifications of the filter tank 1 are 65×65×45mm, the specification of the permeable tube 2 is 75×75×620mm, the specification of the permeable geotechnical cloth 3 is 350×350×4mm, the specification of the hollow brick 4 is 410×410×380mm, and the water absorbing strip 6 comprises 835×10mm, 935×10mm, 835×10mm and the like. The drain pipe 7 is a DN50 cylindrical hollow pipe with the specification of 520 mm. The top permeate tube 9 had a gauge of 1350 x 100mm.

The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (10)

1. An ecological system for constructing landscape and sponge cities is characterized by comprising a water permeable pipe (2), a water storage module and a water absorption strip (6), wherein the water storage module is buried in soil below the water permeable pipe (2), the bottom end of the water permeable pipe (2) stretches into the water storage module, the water absorption strip (6) is buried in the soil, the bottom end of the water absorption strip (6) stretches into the water storage module, and the top end of the water absorption strip (6) extends to the surface of shallow soil or soil.

2. The ecological system for constructing landscapes and sponge cities according to claim 1, wherein the water storage module comprises hollow bricks (4) and waterproof materials (5) wrapped on the bottom layer and the periphery of the hollow bricks (4), and the bottom ends of the water absorbing strips (6) and the bottom ends of the water permeable pipes (2) extend into the hollow bricks (4).

3. Ecosystem for constructing landscapes and spongy cities according to claim 2, characterized in that the waterproof material (5) is waterproof geotextile.

4. The ecological system for constructing landscapes and sponge cities according to claim 2, characterized in that the top of the hollow brick (4) is laid with a water-permeable geotextile (3), and the water-permeable pipe (2) penetrates through the water-permeable geotextile (3) and extends into the hollow brick (4).

5. The ecological system for constructing landscapes and sponge cities according to claim 1, characterized in that the top of the water permeable pipe (2) is provided with a filter tank (1).

6. The ecological system for constructing landscapes and sponge cities according to claim 5, characterized in that the filter tank (1) is detachably connected with a water permeable pipe (2).

7. The ecological system for constructing landscapes and sponge cities according to claim 1, further comprising a retaining wall (8), a drain pipe (7) and an ecological planting ditch, wherein the permeable pipe (2), the water storage module and the water absorbing strip (6) are all arranged on the upper side of the retaining wall (8), the drain pipe (7) penetrates through the retaining wall (8) and one end of the drain pipe (7) extends into the water storage module, and the other end extends to the ecological planting ditch.

8. The ecological system for constructing landscapes and sponge cities according to claim 7, characterized in that the ecological planting furrows are provided with water seepage pipes and a water reservoir (14) positioned at the bottom of the water seepage pipes.

9. The ecological system for constructing landscapes and sponge cities according to claim 8, wherein the foundation of the ecological planting ditch comprises a gravel layer (13), a middle coarse sand layer (12) and a planting soil layer (11) from bottom to top.

10. The ecological system for constructing landscapes and sponge cities according to claim 9, characterized in that the water seepage pipes comprise a top water seepage pipe (9) and a bottom water seepage pipe (10), the top of the top water seepage pipe (9) extends out of the planting soil layer (11), and the bottom water seepage pipe (10) is arranged in the gravel layer (13).