CN215802732U

CN215802732U - Ecological roof drainage system of hidden

Info

Publication number: CN215802732U
Application number: CN202122016829.9U
Authority: CN
Inventors: 曹世伟; 陈崎; 王旗; 董志慧; 梁华
Original assignee: Gardening Lanscaping Construction Co ltd
Current assignee: Gardening Lanscaping Construction Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-11
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to a hidden ecological roof drainage system.A drainage ditch is arranged above a roof, a planting area is arranged above the drainage ditch and comprises a retaining wall, and planting soil is filled in the inner side of the retaining wall; the surface of the roof is provided with a slope, a water outlet is formed in the retaining wall at one side with a higher slope outside the planting area, and the water outlet is communicated with the two sides of the retaining wall; the inner side of the retaining wall is paved with drainage plates, the drainage plates are paved on two sides of a drainage ditch, and the height of the drainage port is higher than the upper surface of the drainage plate; and a resin cover plate is laid above the drainage ditch, geotextile is laid above the resin cover plate, and planting soil covers the geotextile. According to the utility model, through the arrangement of the water drainage ports on the retaining wall, rainwater outside the planting area can smoothly flow into the drainage ditches on the inner side of the retaining wall, and part of rainwater can be stored for plant growth when passing through the drainage plates, and the drainage ditches are hidden below the planting area, so that the attractiveness is not influenced.

Description

Ecological roof drainage system of hidden

Technical Field

The utility model relates to the field of drainage systems, in particular to a concealed ecological roof drainage system.

Background

The ecological roof generally refers to greening arrangement on the top of a building and an open area, and the ecological roof is used for decorating the building, beautifying the city, increasing the absorption of carbon dioxide, regulating indoor temperature and the like.

However, as the roof drainage ditch is generally built by the building construction part, the design needs to be carried out according to the reserved drainage ditch when the follow-up ecological roof is built, and the drainage ditch is arranged outside, so that the attractiveness is influenced; the escape canal is in planting regional below, and when planting regional cover escape canal area was great, influenced the outside drainage in planting region.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a hidden ecological roof drainage system, which enables rainwater outside a planting area to be normally drained into a drainage ditch, and avoids water accumulation outside the planting area.

The technical purpose of the utility model is realized by the following technical scheme:

a hidden ecological roof drainage system is characterized in that a drainage ditch is arranged above a roof, a planting region is arranged above the drainage ditch and comprises a retaining wall, and planting soil is filled in the inner side of the retaining wall; the surface of the roof is provided with a slope, a water outlet is formed in the retaining wall at one side with a higher slope outside the planting area, and the water outlet is communicated with the two sides of the retaining wall; the inner side of the retaining wall is paved with drainage plates, the drainage plates are paved on two sides of a drainage ditch, and the height of the drainage port is higher than the upper surface of the drainage plate; and a resin cover plate is laid above the drainage ditch, geotextile is laid above the resin cover plate, and planting soil covers the geotextile.

Furthermore, filter layers are laid above the drainage plate and the resin cover plate, geotextile is laid on the filter layers, and the filter layers are arranged on one side of the drainage outlet.

Further, the filter layer comprises gravels arranged in a stack, and the diameter of the gravels is 10-20 mm.

Further, one end of the water outlet is completely covered by the filter layer.

Further, the resin cover plate comprises a plate body and a plurality of holes arranged on the plate body.

Furthermore, a floor drain is arranged on the outer side of the retaining wall and connected to the water outlet through a pipeline.

Further, the floor drain is a side drain.

Furthermore, the drain board is concave-convex type water storage and drainage board.

Compared with the prior art, the utility model has the advantages that the arrangement of the water drainage openings on the retaining wall enables rainwater outside the planting area to smoothly flow into the drainage ditch on the inner side of the retaining wall, and partial rainwater can be stored for the growth of plants when passing through the drainage plate; the arrangement of the filter layer can avoid erosion to soil caused by rainwater flowing through the bottom of the planting soil, and also can avoid large-particle impurities from blocking the open pores of the resin cover plate, so that rainwater can normally enter the drainage ditch; the drainage ditch is arranged below the planting area, so that the appearance is not influenced.

Drawings

FIG. 1 is a schematic view of the concealed ecological roof drainage system of the present invention.

Fig. 2 is a schematic view of the concealed ecological roof drainage system of the utility model.

Fig. 3 is a schematic view of the structure of the drain board of the present invention.

Fig. 4 is a schematic view of a side drain floor drain according to the present invention.

Fig. 5 is a schematic view of another side floor drain of the present invention.

Fig. 6 is a schematic view of the structure of the resin cover plate in the present invention.

In the figure, 1, a drainage ditch; 2. retaining walls; 3. a water outlet; 4. a drain plate; 5. leveling layer; 6. a resin cover plate; 7. geotextile; 8. a water storage tank; 9. a floor drain; 10. a filter layer; 11. planting soil; 12. a protective layer; 13. side floor drain; 14. an L-shaped side floor drain; 15. a pipeline; 16. a plate body; 17. and (6) opening holes.

Detailed Description

The technical solution of the present invention is further described below with reference to specific embodiments:

a hidden ecological roof drainage system is disclosed, as shown in figure 1-2, a protective layer 12 is laid on the surface of a roof by C20 fine-stone concrete, a drainage ditch 1 is arranged above the protective layer 12, a planting area is built above the drainage ditch 1, the planting area comprises a retaining wall 2 on the outer side, planting soil 11 is filled on the inner side of the retaining wall 2 for planting plants, and a certain slope is made on the surface of the roof for facilitating drainage. The retaining wall 2 on the side with the higher gradient is provided with a water outlet 3, the water outlet 3 is communicated with two sides of the retaining wall 2, and the rainwater on the outer side flows into the planting area through the water outlet 3 and then flows into the drainage ditch 1. Laying drainage plates 4 on two sides of a drainage ditch on the inner side of the retaining wall 2, laying a leveling layer 5 by using cement mortar before laying the drainage plates 4, and laying the drainage plates 4 on the leveling layer 5; the upper part of the drainage ditch 1 is covered with a resin cover plate 6, geotextile 7 is laid above the drainage plate 4 and the resin cover plate 6, planting soil 11 is covered on the geotextile 7, the height of the drainage port 3 is higher than the surface of the drainage plate 4, and rainwater on the outer side of the retaining wall 2 flows from the drainage port 3 to the drainage plate 4 from the slope of the roof and then flows into the drainage ditch 1.

As shown in fig. 6, the resin cover plate 6 includes a plate body 16, and a plurality of openings 17 disposed on the plate body 16, in this embodiment, the thickness of the resin cover plate is 30mm, and the openings 17 are used to prevent large particulate matters from entering the drainage ditch. Drain bar 4 chooses for use the concave-convex to hold the drain bar, for current product on the market, evenly sets up a plurality of recessed catch basins 8 on the drain bar, and 8 openings of catch basin upwards set up, and rivers get into catch basin 8 when 4 through the drain bar, partly water logging in can save in the catch basin 8 partly water and be used for vegetation needs, and unnecessary water flows over the drain bar.

In order to facilitate the entry of rainwater, a floor drain 9 is further arranged on the outer side of the retaining wall 2, the floor drain 9 is connected to the water outlet 3 through a downward pipeline 15, as shown in fig. 1, but the pipeline 15 needs to be laid downward, and a certain thickness space is required; a side floor drain can also be selected, as shown in fig. 2; the side floor drain has two types, one type of side floor drain 13 can only drain water from the side, as shown in fig. 5; the other side floor drain is an L-shaped side floor drain 14 which can drain water at the bottom of the side surface, as shown in figure 4; the two side floor drains are connected to the water outlet through a transversely arranged pipe 15, and downward arrangement of the pipe is avoided.

In order to prevent the water flow from eroding the planting soil, a filter layer 10 is laid above the drainage plate 4 and the resin cover plate 6, the filter layer 10 is arranged on one side of the drainage port 3, one end of the drainage port 3 is completely covered by the filter layer 10, and the water flow passes through the filter layer 10 after passing through the drainage port 3. In the embodiment, the filter layer 10 is formed by stacking gravels, the diameter of the gravels is 10-20mm, the thickness of the gravel pavement is 80mm, the geotextile 7 is supported by a certain height through the gravel pavement, namely, the planting soil 11 is lifted, and water flow cannot directly erode the planting soil 11; in addition, the filtering effect can be realized by gravel laying, and large-particle substances are prevented from blocking the open holes 17 on the resin cover plate; in addition, gravel can also realize the effect of making level, is equipped with the slope on the roof surface, makes level through gravel, does not influence domatic drainage.

When the rainwater collecting device is used, rainwater outside the planting area flows into the drainage ditch 1 after passing through the floor drain, the water outlet 3, the filter layer 10 and the opening 17 in the resin cover plate, and rainwater in the planting area flows into the drainage ditch 1 after passing through the planting soil 11, the geotextile 7, the filter layer 10 and the opening 17 in the resin cover plate.

The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.

Claims

1. A hidden ecological roof drainage system is characterized in that a drainage ditch is arranged above a roof, a planting area is arranged above the drainage ditch and comprises a retaining wall, and planting soil is filled in the inner side of the retaining wall; the surface of the roof is provided with a slope, a water outlet is formed in the retaining wall on one side with a higher slope outside the planting area, and the water outlet is communicated with the two sides of the retaining wall; the drainage plates are laid on the inner sides of the retaining walls and are laid on two sides of the drainage ditch, and the height of the drainage port is higher than the upper surface of each drainage plate; the resin apron is laid to escape canal top, geotechnological cloth is laid to resin apron top, the planting soil covers on geotechnological cloth.

2. The concealed ecological roof drainage system according to claim 1, wherein a filter layer is further laid above the drainage plate and above the resin cover plate, the geotextile is laid on the filter layer, and the filter layer is arranged on one side of the drainage outlet.

3. The concealed ecological roof drainage system according to claim 2, wherein the filter layer comprises stacked gravel, the diameter of the gravel being 10-20 mm.

4. The concealed ecological roof drain system according to claim 3, wherein the drain opening is completely covered at one end by a filter layer.

5. The concealed ecological roof drainage system according to claim 1, wherein the resin cover plate comprises a plate body and a plurality of openings formed in the plate body.

6. The concealed ecological roof drainage system according to claim 1, wherein a floor drain is further arranged on the outer side of the retaining wall, and the floor drain is connected to the drainage outlet through a pipeline.

7. The concealed ecological roof drainage system according to claim 6, wherein the floor drain is a side drain.

8. The concealed ecological roof drainage system according to claim 1, wherein the drainage plate is a concave-convex type water storage and drainage plate.