CN213897834U

CN213897834U - Sponge city green roof structure

Info

Publication number: CN213897834U
Application number: CN202022114341.5U
Authority: CN
Inventors: 周蜜
Original assignee: Chongqing Xiheng Engineering Consulting Co ltd
Current assignee: Xiheng Engineering Consulting Group Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-08-06
Anticipated expiration: 2030-09-24

Abstract

The utility model belongs to the technical field of sponge city construction technique and specifically relates to a green roof structure in sponge city is related to, and it includes the building roof and is located the cistern of building roof below, the top on building roof is equipped with plants the layer structure, it is equipped with the drain pipe of intercommunication cistern to plant the layer structure, the cistern is equipped with the sprinkling irrigation mechanism that is used for carrying out the sprinkling irrigation to planting the layer structure, the top of cistern is equipped with the row's pipe that is used for intercommunication sponge city underground reservoir. The present application has the following effects: under the condition that rainwater is more and the reservoir can not be collected completely, the underground reservoir in the sponge city is intake along the drainage pipe to realize the water storage circulation in the reservoir, thereby achieving the purpose of fully utilizing resources.

Description

Sponge city green roof structure

Technical Field

The application relates to the technical field of construction of sponge cities, in particular to a green roof structure of a sponge city.

Background

The green roof is one of the commonly used technologies in green buildings and sponge city construction. The green roof does not additionally occupy urban construction land, and has the advantages of saving energy, increasing urban greenbelt, reducing urban heat island effect and the like.

The utility model discloses a chinese utility model patent that bulletin number is CN206302780U discloses a construction sponge city is with ecological roof, and it includes the roof, and the roof is equipped with header tank and vegetation planting device, and vegetation planting device position is less than the header tank, is equipped with the irrigation equipment who links to each other with the header tank on the vegetation planting device, and it has the effect of getting up the rainwater storage so that irrigate to the vegetation.

Aiming at the related technologies, the inventor thinks that under the condition of more rainwater in rainy season, vegetation does not need extra irrigation, and the rainwater of the water collecting tank cannot be stored continuously after being filled, so that the waste of resources is caused.

SUMMERY OF THE UTILITY MODEL

In order to make the catch basin still can carry out the collection of rainwater in rainy season, make full use of resource, this application provides a green roof structure in sponge city.

The application provides a green roof structure in sponge city adopts following technical scheme:

the utility model provides a green roof structure in sponge city, includes building roof and is located the cistern of building roof below, the top on building roof is equipped with plants the layer structure, it is equipped with the drain pipe of intercommunication cistern to plant the layer structure, the cistern is equipped with and is used for carrying out the sprinkling irrigation mechanism that sprays to planting the layer structure, the top of cistern is equipped with the row's pipe that is used for intercommunication sponge city underground reservoir.

Through adopting above-mentioned technical scheme, more at the rainwater, the cistern can't be completely with under the condition that the rainwater was collected, the rainwater gets into in the cistern along the drain pipe, increases the liquid level in the cistern gradually, and until crossing row's pipe, row's pipe begins to drain away the retaining in the cistern this moment, and rivers realize the retaining circulation in the cistern along arranging the underground cistern in pipe sponge city that intakes to reach the purpose with resource make full use of.

Optionally, the planting layer structure includes along outside the building roof inside vegetation layer, matrix layer, filter layer and the drainage blanket that sets gradually to the building roof, the drainage blanket department is established to the one end that the drainage pipe is close to the building roof.

By adopting the technical scheme, the matrix layer is used for providing nutrients for the vegetation layer; the filtering layer is used for filtering rainwater on one hand and avoiding water and soil loss of the matrix layer on the other hand; the drainage layer is used as a partition between the upper layer structure and rainwater, so that the rainwater can be conveniently collected; the drain pipe is used for draining accumulated water in the drain layer into the water storage tank.

Optionally, the top surface of the building roof is provided with a waterproof layer, and the waterproof layer is located below the drainage layer.

Through adopting above-mentioned technical scheme, the waterproof layer is used for preventing the retaining of drainage blanket from following the building roof and permeating to the building in, avoids reinforcing bar network structure etc. of building roof self to receive the erosion.

Optionally, a protective layer is arranged between the waterproof layer and the drainage layer.

Through adopting above-mentioned technical scheme, the protective layer is used for covering the waterproof layer, to its formation protection, avoids the waterproof layer to break and influences water-proof effects.

Optionally, a rainwater grate is arranged at one end, close to the building roof, of the drainage pipe of the protective layer.

By adopting the technical scheme, the grating of the rainwater grate has a rectifying effect, excessive vortex is avoided being formed, the water level in front of the hopper is stabilized, aeration is reduced, roof rainwater can be rapidly discharged, and the roof rainwater can be discharged into the water storage tank.

Optionally, the sprinkling irrigation mechanism includes high pressure water pump and sprinkling irrigation shower nozzle, the end and the cistern intercommunication of intaking of high pressure water pump, the play water end and the sprinkling irrigation shower nozzle intercommunication of high pressure water pump.

Through adopting above-mentioned technical scheme, less at the rainwater, under the condition that the vegetable layer needs the sprinkling irrigation, high pressure water pump can take the retaining in the cistern out and pressurize, and rivers after the pressurization are carried to the sprinkling irrigation shower nozzle, are sprayed by the sprinkling irrigation shower nozzle and irrigate, with resource make full use of.

Optionally, a solar cell panel and a storage battery connected with the solar cell panel are arranged beside the water storage tank, and the storage battery is electrically connected with a high-pressure water pump of the sprinkling irrigation mechanism.

Through adopting above-mentioned technical scheme, less at the rainwater, under the sufficient circumstances of sunshine, solar cell panel can carry out solar energy power generation and with the electric energy storage in the direct battery for the operation energy supply of high pressure water pump, reasonable abundant utilization resource.

Optionally, the reservoir is provided with a vent pipe communicating with atmosphere.

Through adopting above-mentioned technical scheme, the breather pipe is used for communicating the pressure and the atmospheric pressure of cistern to guarantee that the cistern business turn over water is smooth and easy.

In summary, the present application includes at least one of the following beneficial technical effects:

1. under the condition that rainwater is more and the reservoir cannot completely collect rainwater, water flow enters the underground reservoir of the sponge city along the drainage pipe, so that water storage circulation in the reservoir is realized, and the aim of fully utilizing resources is fulfilled;

2. through setting up solar cell panel and battery, less at the rainwater, sunshine is sufficient under the condition, solar cell panel can carry out solar energy power generation and with the electric energy storage in the direct battery for the operation energy supply of high pressure water pump, reasonable abundant utilization resource.

Drawings

FIG. 1 is a schematic structural diagram of an integral green roof structure of a sponge city according to an embodiment of the present application;

fig. 2 is a sectional view showing the internal structure of a cotton city green roof structure.

Description of reference numerals: 1. building a roof; 11. a waterproof layer; 12. a protective layer; 2. a reservoir; 21. a drain pipe; 22. a row of conduits; 23. a breather pipe; 3. planting a layer structure; 31. a vegetable layer; 32. a substrate layer; 33. a filter layer; 34. a drainage layer; 4. a rainwater grate; 5. a sprinkling irrigation mechanism; 51. a high pressure water pump; 52. a spray irrigation nozzle; 6. a solar panel; 7. a storage battery; 8. a platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses green roof structure in sponge city. Referring to fig. 1, the sponge city green roof structure includes a building roof 1 and a water reservoir 2. The reservoir 2 is arranged below the roof 1 of the building. The wall surface of the water storage tank 2 is subjected to tight anti-seepage treatment, so that the influence of water storage in the water storage tank 2 on residents below the water storage tank is avoided.

Referring to fig. 2, a planting layer structure 3 is provided on the top of a roof 1 of a building for ecological transformation and greening construction of the building, and the planting layer structure 3 is provided with a drain pipe 21 communicated with a reservoir 2. The rainwater is more and when planting the surface of layer structure 3 and gathering, drain pipe 21 can be stored the retaining drainage in cistern 2.

The planting layer structure 3 includes a planting layer 31, a matrix layer 32, a filter layer 33, and a drainage layer 34, which are sequentially disposed along the outside of the building roof 1 toward the inside of the building roof 1. The matrix layer 32 is laid by planting soil and is used for providing nutrients for the vegetation layer 31, and the vegetation layer 31 is a lawn planted above the matrix layer 32. The filter layer 33 on the bottom side of the substrate layer 32 is formed by laying non-woven fabrics, and is used for filtering rainwater on one hand and avoiding water and soil loss of the substrate layer 32 on the other hand. The drainage layer 34 is formed by splicing water storage and drainage composite boards and is used as a partition of an upper structure and rainwater, so that the rainwater can be conveniently collected. The end of the drainage pipe 21 close to the building roof 1 is arranged at the drainage layer 34 and is used for draining the accumulated water in the drainage layer 34 into the water reservoir 2.

The top surface of the building roof 1 is provided with a waterproof layer 11. The waterproof layer 11 is a waterproof roll material laid on the top surface of the building roof 1, and the waterproof layer 11 is located below the drainage layer 34. The waterproof layer 11 is used for preventing the stored water of the drainage layer 34 from permeating into the building along the building roof 1, and preventing the reinforcing steel bar net structure of the building roof 1 from being corroded.

A protective layer 12 is provided between the waterproof layer 11 and the drainage layer 34. The protective layer 12 is a cement mortar layer, and after the waterproof layer 11 is laid, the cement mortar is uniformly coated on the top surface of the waterproof roll to form the cement mortar layer. The protective layer 12 is used to cover the waterproof layer 11, so as to protect the waterproof layer 11 and prevent the waterproof layer 11 from being broken to affect the waterproof effect.

The protective layer 12 is provided with a rainwater grate 4 at one end of the drain pipe 21 close to the building roof 1. The rainwater grate 4 is made of ball-milling cast iron materials and has the advantages of no aging, corrosion resistance and the like. After the waterproof layer 11 is laid, the rain water grate 4 is placed on the top end of the drain pipe 21 in advance, and then the protective layer 12 is coated. The rainwater grate 4 is as high as the protective layer 12. The grating of the rainwater grate 4 has a rectifying effect, avoids forming overlarge vortex, stabilizes the water level in front of the hopper, reduces aeration, can quickly discharge the rainwater on the roof and discharges the rainwater into the water storage tank 2.

The reservoir 2 is provided with a sprinkling irrigation mechanism 5 for sprinkling irrigation to the planting layer structure 3. The sprinkling irrigation mechanism 5 is used for pumping out the stored water in the water storage tank 2 for cyclic utilization, thereby achieving the purpose of saving resources.

The sprinkler irrigation mechanism 5 includes a high pressure water pump 51 and a sprinkler head 52. The water inlet end of the high-pressure water pump 51 is communicated with the reservoir 2, and the water outlet end of the high-pressure water pump 51 is communicated with the sprinkling irrigation nozzle 52. Under the condition that rainwater is less and the vegetation layer 31 needs to be irrigated by sprinkling irrigation, the high-pressure water pump 51 can pump out the water stored in the reservoir 2 and pressurize the water, the pressurized water flow is conveyed to the sprinkling irrigation nozzles 52, and the sprinkling irrigation nozzles 52 irrigate the vegetation layer by sprinkling irrigation, so that resources are fully utilized.

A solar cell panel 6 and a storage battery 7 connected with the solar cell panel 6 are arranged beside the water storage tank 2, and the storage battery 7 is electrically connected with a high-pressure water pump 51 of the spray pipe mechanism. The other platform 8 that is used for solar cell panel 6 and battery 7 to place that is equipped with of cistern 2, and is less in the rainwater, under the sufficient circumstances of sunshine, solar cell panel 6 can carry out solar energy power generation and with the electric energy storage in the battery 7 directly for the operation energy supply of high pressure water pump 51, reasonable abundant utilization resource. Of course, under the condition of less rainwater and less sunlight, the high pressure water pump 51 can still be connected with other power sources for operation.

The top of the reservoir 2 is provided with a discharge conduit 22 for communicating with an underground reservoir of a sponge city. Under the condition that the rainwater is more, the cistern 2 can't collect the rainwater completely, the rainwater along the drain pipe 21 gets into the cistern 2 in, increases the liquid level in the cistern 2 gradually, until overflowing the bank pipe 22, the bank pipe 22 begins to discharge away the retaining in the cistern 2 this moment, rivers along the underground cistern in the row pipe 22 sponge city that intakes, realize the retaining circulation in the cistern 2 to reach the purpose with resource make full use of.

The reservoir 2 is provided with a vent pipe 23 which is communicated with the atmosphere. The vent pipe 23 is used for communicating the pressure of the reservoir 2 with the atmospheric pressure so as to ensure the smoothness of water inlet and outlet of the reservoir 2.

The implementation principle of the green roof structure in sponge city of this application embodiment is: during construction, the water storage tank 2 is poured and formed together with the building roof 1, anti-seepage measures are made, then a drain pipe 21, a drainage pipe 22 and a vent pipe 23 which are communicated with the water storage tank 2 are arranged, then a waterproof layer 11 is paved on the top surface of the building roof 1, a rainwater grate 4 is placed at the top end of the drain pipe 21 in advance, then a protective layer 12 is coated, and then a drain layer 34, a filter layer 33, a matrix layer 32 and a vegetable layer 31 are paved and formed in sequence; in rainy season, rainwater enters the drainage layer 34 through the vegetation layer 31, the matrix layer 32 and the filter layer 33, and the drainage pipe 21 drains the stored water in the drainage layer 34 into the reservoir 2 for storage; when the rainwater is more, the liquid level in the reservoir 2 rises to the drainage pipe 22, and the drainage pipe 22 guides the water stored in the reservoir 2 to an underground reservoir in a sponge city, so that the circulation of the water stored in the reservoir 2 is realized; when rainwater is less in sunny days, the sprinkling irrigation mechanism 5 can pump out the stored water in the water storage tank 2 for irrigation, and resources are reasonably and fully utilized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a green roof structure in sponge city, includes building roof (1) and is located cistern (2) of building roof (1) below, its characterized in that: the top of building roof (1) is equipped with plants layer structure (3), it is equipped with drain pipe (21) that intercommunication cistern (2) to plant layer structure (3), cistern (2) are equipped with and are used for carrying out sprinkling irrigation mechanism (5) that spray irrigate planting layer structure (3), the top of cistern (2) is equipped with row's pipe (22) that are used for communicateing the underground cistern in sponge city.

2. The sponge urban green roof structure according to claim 1, characterized in that: planting layer structure (3) include along building roof (1) outside to inside vegetation layer (31), matrix layer (32), filter layer (33) and the drainage blanket (34) that set gradually of building roof (1), drainage pipe (21) are close to the one end of building roof (1) and are established in drainage blanket (34) department.

3. The sponge urban green roof structure according to claim 2, characterized in that: the roof structure is characterized in that a waterproof layer (11) is arranged on the top surface of the building roof (1), and the waterproof layer (11) is located below the drainage layer (34).

4. The sponge urban green roof structure according to claim 3, characterized in that: and a protective layer (12) is arranged between the waterproof layer (11) and the drainage layer (34).

5. The sponge urban green roof structure according to claim 4, characterized in that: and a rainwater grate (4) is arranged at one end, close to the building roof (1), of the drainage pipe (21) of the protective layer (12).

6. The sponge urban green roof structure according to claim 1, characterized in that: the sprinkling irrigation mechanism (5) comprises a high-pressure water pump (51) and a sprinkling irrigation sprayer (52), wherein the water inlet end of the high-pressure water pump (51) is communicated with the reservoir (2), and the water outlet end of the high-pressure water pump (51) is communicated with the sprinkling irrigation sprayer (52).

7. The sponge urban green roof structure according to claim 6, characterized in that: the solar energy sprinkling irrigation system is characterized in that a solar cell panel (6) and a storage battery (7) connected with the solar cell panel (6) are arranged beside the water storage tank (2), and the storage battery (7) is electrically connected with a high-pressure water pump (51) of the sprinkling irrigation mechanism (5).

8. The sponge urban green roof structure according to claim 1, characterized in that: the water storage tank (2) is provided with a vent pipe (23) communicated with the atmosphere.