CN211703093U - A green roof for building sponge cities - Google Patents

Abstract

The utility model relates to a green roof for building a sponge city, which comprises a roof body, a planting area is arranged on the top of the roof body, a water storage cavity is arranged at the bottom of the planting area, and an anti-seepage layer is arranged on the inner wall of the water storage cavity. There is a water collecting tank on the periphery of the upper surface of the water collecting tank, the top of the water collecting tank is provided with a filter screen, the bottom of the water collecting tank is provided with a number of diversion holes communicating with the water storage cavity, and the top of the planting area is provided with a sprinkler for watering. The utility model has the advantages of collecting and recycling rainwater.

Description

A green roof for building sponge cities

technical field

The utility model relates to the technical field of construction, in particular to a green roof for building a sponge city.

Background technique

Roof greening can be widely understood as a general term for gardening and planting trees and flowers on the roof bodies, terraces, rooftops, balconies or large artificial hills of various ancient and modern buildings, structures, city walls, bridges (overpasses), etc. .

Roof greening can increase the area of urban green space and improve the deteriorating human living environment space; improve urban high-rise buildings, improve the status quo of natural land and plants replaced by hard pavement of many roads; open up human green space and build a garden city It is of great significance to improve people's living conditions, improve the quality of life, and beautify the urban environment and improve the ecological effect.

Roof greening is not only an effective way to develop green space into the air, save land and open up urban space, but also a perfect combination of architectural art and garden art. It plays an important role in protecting the urban environment and improving the quality of the living environment.

A green roof body structure is disclosed in Chinese utility model patent publication number CN205591440U, which includes a roof body and a parapet arranged around the roof body. A waterproof layer is provided on the roof body in the parapet, and a waterproof layer is provided on the waterproof layer. Geomembrane, a pumice layer is arranged on the geomembrane, a first geotextile is arranged on the upper part of the pumice layer, an organic fertilizer is arranged on the first geomembrane, green plants are planted on the organic fertilizer, and a drainage part of the roof body is also arranged around the periphery. Blocking dodges.

The above-mentioned prior art scheme has the following defects: this kind of green roof body structure cannot store rainwater, and when the rainfall is insufficient, it is necessary to use other water resources such as tap water to water the vegetation on the green roof body, which is not very good. Utilize water resources from rainfall.

Utility model content

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a green roof for building a sponge city, which has the advantage of collecting and recycling rainwater.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A green roof for building a sponge city, comprising a roof body, a planting area is arranged at the top of the roof body, a water storage cavity is arranged at the bottom of the planting area, and an anti-seepage layer is arranged on the inner wall of the water storage cavity, The periphery of the upper surface of the roof body is provided with a water collection tank, the top of the water collection tank is provided with a filter screen, the bottom of the water collection tank is provided with a number of diversion holes that communicate with the water storage cavity, and the top of the planting area is provided with A sprinkler for watering is provided.

By adopting the above technical solution, in rainy days, the rainwater has less impurities after being filtered by the filter screen, and the rainwater is collected in the sump, flows into the water storage cavity through the diversion hole for storage, and then is used for the vegetation watering in the planting area through the spraying device. The rainwater can be collected and recycled to increase the utilization rate of water resources, and the anti-seepage layer in the water storage cavity can prevent rainwater from penetrating out of the water storage cavity.

In a preferred example of the present invention, it can be further configured as follows: the bottom of the water storage cavity is provided with a moisture-proof membrane, the bottom of the roof body is provided with a thermal pad, and the bottom of the thermal pad is provided with a protective layer.

By adopting the above technical solutions, the moisture-proof membrane has a good moisture-proof function, which can well reduce the impact of rainwater in the water storage cavity on the indoor walls, and the thermal insulation pad can play a role in thermal insulation, ensuring that the room is not protected from water storage in winter. The impact of the cavity can have a higher temperature, and the protective layer can protect the thermal insulation pad from damage and improve the living comfort of the residents.

In a preferred example of the present invention, it can be further configured as follows: the top of the planting area is provided with a spray pipe, one end of the spray pipe is closed, the other end of the spray pipe is communicated with the water storage cavity, and the spray pipe A number of spray holes are opened in the direction of the planting area, the outlet ends of the spray holes are provided with atomizing nozzles, and the end of the spray pipe that is far away from the spray holes is connected with a water pump.

By adopting the above technical solution, the water pump pumps the rainwater in the water storage cavity to the spray pipe, and the rainwater is atomized by the atomizing nozzle, which has a good effect on vegetation watering in the planting area and saves water resources.

In a preferred example of the present invention, it can be further configured that a filter is sleeved inside the guide hole.

By adopting the above technical solution, the rainwater is first filtered by the filter screen, the impurities are reduced, and then further filtered by the filter, the cleanness of the rainwater is further improved, the water quality in the water storage cavity is guaranteed to be clean, and the stability of the irrigation of the vegetation is ensured.

In a preferred example of the present invention, an overflow pipe that communicates with the bottom of the water storage cavity is provided outside the roof body.

By adopting the above technical solution, when the rainfall is large, the rainwater in the water storage cavity is easy to be filled up, and the overflow pipe can play the role of draining at this time, preventing the backflow of excessive rainwater in the water storage cavity.

In a preferred example of the present invention, it can be further configured that: the overflow pipe is located on the top side wall of the water storage cavity, the bottom peripheral side wall of the house is provided with a drainage channel, and the overflow pipe is far away from the water storage cavity One end leads to the drain.

By adopting the above technical solution, the rainwater discharged through the overflow pipe leads to the drainage channel, and the water overflowing to the drainage channel can be used for watering flowers, so as to ensure the full utilization of water resources.

In a preferred example of the present invention, it can be further configured as follows: the top of the water storage cavity is provided with a water inlet, the bottom of the side wall of the water storage cavity is provided with a water outlet, and both the water inlet and the water outlet are provided with a water inlet. sealing plug.

By adopting the above technical solution, when the amount of rainwater in the water storage cavity is insufficient, water can be manually injected into the water storage cavity through the water inlet to ensure sufficient water in the water storage cavity; Cleaning of the reservoir.

In a preferred example of the present invention, it can be further configured as follows: a wind power generator is arranged on the top of the roof body, and the wind power generator is electrically connected with the water pump.

By adopting the above technical solutions, the wind turbine can generate electricity by using wind, convert the wind energy into electric energy, and then provide the required power for the water pump.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

On rainy days, the rainwater has less impurities after being filtered by the filter screen. The rainwater is collected in the water collection tank, and then flows into the water storage cavity through the diversion hole for storage in the planting area. It can collect and recycle the rainwater for use. , increase the utilization rate of water resources;

The water pump pumps the rainwater in the water storage cavity to the spray pipe, and the rainwater is atomized by the atomizing nozzle, which has a good effect on the vegetation in the planting area and saves water resources;

Wind turbines use wind power to generate electricity, convert the wind energy into electricity, and then provide the required power to the pumps.

Description of drawings

Fig. 1 is the overall schematic diagram of this embodiment;

Fig. 2 is a partial exploded view in this embodiment;

Fig. 3 is the enlarged schematic diagram of A part in Fig. 2;

Fig. 4 is a sectional view along line A-A in Fig. 1;

Fig. 5 is the enlarged schematic diagram of part B in Fig. 4;

FIG. 6 is a cross-sectional view taken along line B-B in FIG. 2 .

In the figure, 1. Roof body; 2. House; 3. Drainage channel; 4. Planting area; 5. Parapet; 6. Water collection tank; 7. Filter screen; 8. Wind turbine; 9. Water storage cavity; 10 , water-proof layer; 11, diversion hole; 12, filter; 13, moisture-proof membrane; 14, insulation pad; 15, protective layer; 16, water inlet; 17, water outlet; 18, spray pipe; 1801, communication pipe; 19, atomizing nozzle; 20, water pump; 21, overflow pipe.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , the utility model discloses a green roof for building a sponge city, including a roof body 1 . The bottom of the roof body 1 is a house 2 , and a drainage channel 3 is formed around the bottom peripheral wall of the house 2 .

Referring to FIG. 2 , the top wall of the roof body 1 is provided with a planting area 4 for planting, and the planting area 4 covers the entire top wall of the roof body 1 . The outer edge of the top wall of the roof body 1 is integrally formed with a parapet 5 . The top of the roof body 1 is provided with a water collection tank 6, and the water collection tank 6 is located on the side of the roof body 1 close to the inner wall of the parapet 5. The top of the water collection tank 6 is provided with a filter screen 7, and the filter screen 7 is located on the top of the water collection tank 6 and is connected to the roof. The body 1 is integrally formed.

A wind turbine 8 is hingedly fixed at the corner of the top wall of the roof body 1 , the wind turbine 8 is located on the side close to the inner wall of the parapet 5 , and the wind turbine 8 is electrically connected to an indoor battery (not shown in the figure).

3 and 4, the bottom of the planting area 4 is provided with a water storage cavity 9, which is located on the side of the roof body 1 away from the wind turbine 8, and the water storage cavity 9 is rectangular. An anti-seepage layer 10 is bonded and fixed on the inner wall, and the anti-seepage layer 10 is made of polymer cement-based waterproof coating, which has the characteristics of air permeability and water permeability, good flexibility, strong weather resistance, and easy construction. The bottom of the water collecting tank 6 at the top of the water storage cavity 9 is vertically opened with three guide holes 11, the guide holes 11 are cylindrical, and the guide holes 11 communicate with the water collecting tank 6 and the water storage cavity 9. The guide hole 11 is embedded with a filter 12 coaxial with the guide hole 11 , and the filter 12 is cylindrical.

4 and 5 , the bottom outer wall of the water storage cavity 9 is sequentially bonded and fixed with a moisture-proof film 13 , which is made of PE polymer material, which has the functions of moisture-proof, sound insulation and balance. A side wall of the moisture-proof membrane 13 away from the water storage chamber 9 is bonded and fixed with a thermal insulation pad 14. The thermal insulation pad 14 is made of polyurethane foam, which has the characteristics of light weight, good workability, high compactness and good thermal insulation effect. A protective layer 15 is adhered and fixed to a side wall of the thermal insulation pad 14 away from the moisture-proof membrane 13 , and the protective layer 15 is made of special concrete with high hardness and good protection performance.

The outer side wall of the roof body 1 is located on the side away from the wind turbine 8 and is provided with a water inlet 16, the water inlet 16 is cylindrical, the axis of the water inlet 16 is perpendicular to the outer side wall of the roof body 1, and the water inlet 16 is connected to the water storage cavity 9. Communication, the water inlet 16 is located on the top of the inner wall of the water storage cavity 9 . The bottom of the water inlet 16 is provided with a water outlet 17, the water outlet 17 is located at the bottom of the inner wall of the water storage cavity 9, the water outlet 17 is cylindrical, the water outlet 17 is communicated with the water storage cavity 9, and the axis of the water outlet 17 is the axis of the water inlet 16. In parallel, the water inlet 16 and the water outlet 17 are filled with sealing plugs, and the water inlet 16 and the water outlet 17 are located on the same vertical axis.

The top of the roof body 1 is fixed with a spraying pipe 18, the spraying pipe 18 is cylindrical, the axis of the spraying pipe 18 is parallel to the water inlet 16, the peripheral side wall of the spraying pipe 18 is welded with a number of atomizing nozzles 19, the atomizing nozzles 19 and the spraying The pipe 18 communicates with each other, and the opening of the atomizing nozzle 19 faces the planting area 4 . One end of the spray pipe 18 is closed, and the other end of the spray pipe 18 is connected with a communication pipe 1801 . The communication pipe 1801 is located on one side of the top wall of the roof body 1 and communicates with the water pump 20 .

5 and 6 , the outer side wall of the roof body 1 is located on the side away from the wind turbine 8 and the water inlet 16, and a horizontal overflow pipe 21 is bonded and fixed. The overflow pipe 21 communicates with the interior of the water storage cavity 9 , the cross section of the overflow pipe 21 is cylindrical, and the end of the overflow pipe 21 away from the water storage cavity 9 passes through the water storage cavity 9 and then bends vertically downward to communicate with the drainage channel 3, so that the overflow pipe 21 is "L" "Letter shape.

The implementation principle of the present embodiment is as follows: after rain falls on the planting area 4 of the roof body 1 in rainy days, it flows into the water collecting tank 6 after being filtered by the filter screen 7, and then flows into the storage tank 6 after being further filtered by the filter 12 in the guide hole 11. Storage in the water cavity 9; rainwater stored in the water storage cavity 9 is connected to the planting area 4 through the spray pipe 18 for recycling. When the rainwater in the water storage cavity 9 is full, the rainwater can be timely discharged to the drainage through the overflow pipe 21 Canal 3.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a green roof that construction sponge city was used, includes roof body (1), its characterized in that: roof body (1) top is provided with planting district (4), the bottom of planting district (4) is provided with water storage chamber (9), the inner wall of water storage chamber (9) is provided with prevention of seepage water layer (10), the periphery of the upper surface of roof body (1) is provided with water catch bowl (6), the top of water catch bowl (6) is provided with filter screen (7), the bottom of water catch bowl (6) is provided with a plurality of water conservancy diversion holes (11) that communicate with water storage chamber (9), the top of planting district (4) is provided with the sprinkler who is used for the watering.

2. A green roof for use in constructing a sponge city according to claim 1, wherein: the bottom of retaining chamber (9) is provided with dampproofing membrane (13), the bottom of dampproofing membrane (13) is provided with heat preservation pad (14), the bottom of heat preservation pad (14) is provided with protective layer (15).

3. A green roof for use in constructing a sponge city according to claim 1, wherein: the top of planting district (4) is provided with spray pipe (18), the one end of spray pipe (18) is sealed, the other end and water storage chamber (9) intercommunication of spray pipe (18), a plurality of spraying holes have been seted up towards planting district (4) direction in spray pipe (18), and is a plurality of the exit end in spraying hole is provided with atomizer (19), the one end intercommunication of keeping away from spraying hole on spray pipe (18) has water pump (20).

4. A green roof for use in constructing a sponge city according to claim 1, wherein: the filter (12) is sleeved in the diversion hole (11).

5. A green roof for use in constructing a sponge city according to claim 1, wherein: an overflow pipe (21) communicated with the bottom of the water storage cavity (9) is arranged outside the roof body (1).

6. A green roof for use in constructing a sponge city according to claim 5, wherein: roof body (1) bottom is provided with house (2), overflow pipe (21) are located the top lateral wall of retaining chamber (9), the bottom week lateral wall in house (2) is provided with drainage channel (3), the one end that retaining chamber (9) were kept away from in overflow pipe (21) accesss to drainage channel (3).

7. A green roof for use in constructing a sponge city according to claim 1, wherein: the water storage device is characterized in that a water inlet (16) is formed in the top of the water storage cavity (9), a water outlet (17) is formed in the bottom of the side wall of the water storage cavity (9), and sealing plugs are arranged on the water inlet (16) and the water outlet (17).

8. A green roof for use in constructing a sponge city according to claim 1, wherein: the roof is characterized in that a wind driven generator (8) is arranged at the top of the roof body (1), and the wind driven generator (8) is electrically connected with the water pump (20).

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