Rainwater recycling structure based on pervious concrete ground

By installing a water storage tank and rainwater recycling pipe at the bottom of the permeable concrete pavement, the problem of insufficient water for greening when there is no rain for a long time is solved, and the efficient recycling and reuse of rainwater is achieved, thus saving water resources.

CN223922293UActive Publication Date: 2026-02-17CHINA MCC5 GROUP CORP LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520307343.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-17
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

When there is no rain for a long time, the existing permeable concrete pavement relies on other means to replenish the water for the greening around the surface, which results in low resource utilization efficiency.

Method used

A water storage tank is set at the bottom of the permeable concrete pavement, and rainwater is collected into the water storage tank through a rainwater harvesting pipe. The top slab of the water storage tank is supported by stiffening ribs. The rainwater harvesting pipe has quincunx-shaped openings and is wrapped with permeable geotextile. After the rainwater harvesting pipe is connected to the water storage tank, it is connected to the greening water supply.

Benefits of technology

It achieves effective rainwater recycling and reuse, saves water resources, and has a simple, stable and reliable structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223922293U_ABST
    Figure CN223922293U_ABST
Patent Text Reader

Abstract

The utility model discloses a rainwater recycling structure based on a pervious concrete floor, the rainwater recycling structure comprises the pervious concrete floor and a reservoir, the reservoir is arranged at the bottom of the pervious concrete floor, and pervious water recycling of the pervious concrete floor is completed through a rainwater recycling pipe; a plurality of vertical stiffening rib plates are arranged in the reservoir, structural support of a top plate of the reservoir is completed through the stiffening rib plates, and a through hole structure is arranged at the bottom end of each stiffening rib plate. According to the rainwater recycling structure, recycling of rainwater is achieved, water resources are saved, and the rainwater recycling structure is simple, stable, reliable and definite in stress.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to building structure technical field especially relates to a rainwater recycling structure based on water permeable concrete pavement. BACKGROUND

[0002] The principle of the water permeable concrete pavement is mainly based on its unique structure and material composition, which makes it have the functions of water permeability, air permeability, drainage, anti-skid, sound absorption and noise reduction. The water permeable concrete is composed of cement, water, water permeable concrete reinforcing agent (cementing material) and high-quality same-size or intermittent-graded aggregate, and has a certain porosity. This structure allows rainwater to flow into the ground through the pores of the concrete, effectively replenishing groundwater, while reducing surface runoff and relieving the pressure on the urban drainage system.

[0003] However, its water replenishment to the surface soil is limited, and if it does not rain for a long time, the water for the greenery around the ground still needs to be replenished by other means. To solve the above problems, a rainwater recycling structure based on water permeable concrete pavement is developed. INVENTION CONTENTS

[0004] The utility model discloses a rainwater recycling structure based on water permeable concrete pavement, which overcomes the problems of the prior art and realizes effective recycling and reuse of rainwater.

[0005] The utility model discloses a rainwater recycling structure based on water permeable concrete pavement, which overcomes the problems of the prior art and realizes effective recycling and reuse of rainwater.

[0006] A rainwater recycling structure based on water permeable concrete pavement, the rainwater recycling structure comprises a water permeable concrete pavement and a water storage tank,

[0007] The water storage tank is arranged at the bottom of the water permeable concrete pavement and completes the water permeation recycling of the water permeable concrete pavement through a rainwater recycling pipe.

[0008] The water storage tank is arranged at the bottom of the water permeable concrete pavement and completes the water permeation recycling of the water permeable concrete pavement through a rainwater recycling pipe.

[0009] According to one preferred embodiment, the rainwater recycling pipe is provided with a plum blossom-shaped opening every 10 cm at the top end, and the corresponding opening is wrapped with a water permeable geotextile.

[0010] According to one preferred embodiment, the rainwater recycling pipe is provided with a slope angle in the direction towards the water storage tank, so that the collected rainwater in the pipe body can flow into the water storage tank.

[0011] According to one preferred embodiment, the rainwater recycling pipe is a φ20 PVC pipe.

[0012] According to one preferred embodiment, the water storage pool is connected with the water for greening through a water pipe at the bottom.

[0013] According to one preferred embodiment, the water storage pool is formed by welding 5mm thick 304 stainless steel plates.

[0014] According to one preferred embodiment, the pervious concrete ground is sequentially formed by a pervious concrete surface layer, a pervious concrete roadbed, a coarse sand leveling layer and a gravel layer from top to bottom.

[0015] According to one preferred embodiment, the bottom side of the gravel layer is further paved with an anti-seepage geotextile.

[0016] According to one preferred embodiment, the water storage pool is 50-100mm high from the top to the gravel layer, and the rainwater recovery pipe is arranged at the bottom of the gravel layer.

[0017] According to one preferred embodiment, the pervious concrete is provided with a curbstone at one side of the driveway and a curbstone at the other side.

[0018] The aforementioned main scheme and each further selected scheme of the present application can be freely combined to form multiple schemes, all of which are the schemes that can be adopted and claimed by the present application. Those skilled in the art can understand that there are multiple combinations according to the prior art and common knowledge after understanding the scheme of the present application, all of which are the technical schemes claimed by the present application, and are not listed here.

[0019] The present application has the following beneficial effects:

[0020] The rainwater recycling structure of the present application realizes the recycling of rainwater, saves water resources, and has simple structure, stability, reliability and clear stress. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the rainwater recycling structure of the present application;

[0022] Among them, 101-pervious concrete surface layer, 102-pervious concrete roadbed, 103-coarse sand leveling layer, 104-gravel layer, 105-water storage pool, 105a-rib plate, 106-rainwater recovery pipe, 107-curbstone, 108-curbstone. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below with specific examples. Those skilled in the art can easily understand other advantages and functions of the present application from the content disclosed in the specification. The present application can also be implemented or applied through different specific embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application. It should be noted that the following examples and features in the examples can be combined with each other without conflict.

[0024] It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical", "overhanging", etc. do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0027] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, the present application should point out that in the present application, if the specific structures, connection relationships, positional relationships, power source relationships, etc. are not specifically written, the structures, connection relationships, positional relationships, power source relationships, etc. involved in the present application are all known by those skilled in the art on the basis of the prior art without creative labor.

[0029] Reference Figure 1 As shown in the figure, a rainwater recycling structure based on a permeable concrete pavement is shown, which comprises a permeable concrete pavement and a water storage tank 105, which is arranged at the bottom of the permeable concrete pavement and completes the permeable recycling of the permeable concrete pavement through the rainwater recycling pipe 106.

[0030] Preferably, the permeable concrete pavement is sequentially arranged from top to bottom as follows: a permeable concrete surface layer 101, a permeable concrete roadbed 102, a coarse sand leveling layer 103, and a gravel layer 104. The bottom side of the gravel layer 104 is also paved with a seepage-proof geotextile to effectively intercept water bodies.

[0031] Preferably, the permeable concrete is provided with a curb 107 on one side of the driveway and an edging stone 108 on the other side.

[0032] Preferably, the water storage tank 105 is 50-100mm high at the top of the gravel layer 104, and the rainwater recycling pipe 106 is arranged at the bottom of the gravel layer 104, so as to facilitate the collection of water entering the gravel layer.

[0033] Preferably, the water storage tank 105 is provided with a plurality of vertical stiffening rib plates 105a, which complete the structural support of the top plate of the water storage tank 105, and the bottom end of each stiffening rib plate 105a is provided with a through-hole structure to facilitate the flow of water in the tank.

[0034] Preferably, the rainwater recycling pipe 106 is provided with a plum blossom-shaped opening at the top end every 10cm, and the corresponding opening is wrapped with a permeable geotextile to realize rainwater collection.

[0035] Further, the rainwater recycling pipe 106 is provided with a slope angle in the direction towards the water storage tank 105, so that the collected rainwater in the pipe body can flow into the water storage tank 105. The water storage tank 105 is connected with the water for greening through the water pipe at the bottom.

[0036] The rainwater recycling structure of the present application realizes the recycling of rainwater, saves water resources, and has the advantages of simple structure, stability, reliability, and clear stress.

[0037] The assembly sequence of the structure of the present application includes: roadbed backfilling, steel plate welding to form a water storage tank, top and bottom openings, rainwater recycling pipe and drip irrigation pipe openings wrapped with permeable geotextile, installation of drip irrigation pipe, soil backfilling, gravel backfilling, installation of rainwater recycling pipe, and remaining road surface construction.

[0038] For example, the water storage tank 105 can be welded from a 5mm thick 304 stainless steel plate. The planar size is 2000*2000*1200mm, and the water storage capacity is about 4.8m 3The inner interval is 400mm, and a plurality of stiffening rib plates 105a are arranged in two longitudinal and transverse directions to improve the bearing capacity.

[0039] The rainwater recovery pipe is made by arranging 10cm-interval plum-blossom-shaped holes with a diameter of 2mm on a φ20 PVC pipe, and wrapping the outer side of the pipe with water-permeable geotextile.

[0040] The bottom of the water storage pool 105 can be provided with 4 holes for connecting drip irrigation pipes to facilitate rainwater outflow, and the drip irrigation pipes are made by opening 0.8mm holes at the end of a φ5 PVC pipe (close to the green area) and wrapping the pipe with water-permeable geotextile.

[0041] The water-permeable concrete ground can absorb rainwater on the ground, when the rainwater enters the gravel layer, it enters the water storage pool through the rainwater recovery pipe after the slope, and flows into the drip irrigation pipe after the slope under the action of gravity, and finally drips into the water requiring area. Four drip irrigation pipes are arranged in a single water storage pool, each drip irrigation pipe is designed to discharge 0.8 liters of water per hour, and then the use time of a single water storage pool after being filled with water once is 4.8*1000 / 0.8 / 24 / 4=62.5 days, which can meet the green water supplement demand of most areas all year round.

[0042] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rainwater recycling structure based on a permeable concrete pavement, characterized by, The rainwater recycling structure comprises a pervious concrete ground and a water storage tank (105), The water storage tank (105) is arranged at the bottom of the pervious concrete ground and completes the pervious recycling of the pervious concrete ground through a rainwater recycling pipe (106); The water storage tank (105) is internally provided with a plurality of vertical stiffening rib plates (105a), the structural support of the top plate of the water storage tank (105) is completed through the stiffening rib plates (105a), and the bottom end of each stiffening rib plate (105a) is provided with a through hole structure.

2. The rainwater recycling structure according to claim 1, wherein The rainwater recycling pipe (106) is provided with a plum blossom-shaped opening every 10 cm at the top end, and the corresponding opening is wrapped with a pervious geotextile.

3. The rainwater recycling structure according to claim 2, wherein The rainwater recycling pipe (106) is provided with a slope angle in the direction towards the water storage tank (105), so that the collected rainwater in the pipe body can flow into the water storage tank (105).

4. The rainwater recycling structure according to claim 1, wherein The rainwater recycling pipe (106) adopts a φ20 PVC pipe.

5. The rainwater recycling structure according to claim 1, wherein The water storage tank (105) is communicated with water for greening through a water pipe at the bottom.

6. The rainwater recycling structure according to claim 1, wherein The water storage tank (105) is welded by a 5mm-thick 304 stainless steel plate.

7. The rainwater recycling structure according to claim 1, wherein The pervious concrete ground comprises, from top to bottom, a pervious concrete surface layer (101), a pervious concrete roadbed (102), a coarse sand leveling layer (103) and a gravel layer (104).

8. The rainwater recycling structure according to claim 7, wherein The bottom side of the gravel layer (104) is further provided with an anti-seepage geotextile.

9. The rainwater recycling structure according to claim 8, wherein The top of the water storage tank (105) enters the gravel layer (104) by 50-100 mm, and the rainwater recycling pipe (106) is arranged at the bottom of the gravel layer (104).

10. The rainwater recycling structure according to claim 7, wherein The pervious concrete is provided with a curb (107) at one side of the driveway and an embedded curbstone (108) at the other side.