CN212743171U

CN212743171U - Rainwater drainage and storage system for planting roof

Info

Publication number: CN212743171U
Application number: CN202020864455.9U
Authority: CN
Inventors: 康媛媛
Original assignee: Henan Shengchuang Building Materials Co ltd
Current assignee: Henan Shengchuang Building Materials Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-03-19
Anticipated expiration: 2030-05-21

Abstract

The utility model provides a rainwater drainage system for planting roofing, includes cistern and ventilative water drainage tank, and ventilative water drainage tank is located the upside of cistern, and the upside of ventilative water drainage tank is equipped with one deck geotechnological cloth, and the upside of geotechnological cloth is equipped with the one deck filter screen. The utility model discloses a rainwater drainage holds system for planting roofing, after planting the soil layer and absorbing too much rainwater, store in planting the intraformational rainwater of soil and successively permeate to ventilative water drainage tank through geotechnological cloth and filter screen, then arrange the cistern through ventilative water drainage tank, make the planting soil in situ of planting the roofing not store the rainwater, the waterproof layer of protection building roofing or engineering roof is not corroded and destroys, the condition of leaking can not appear in building roofing or engineering roof, use the water of second water pump storage in with the cistern to carry current sprinkling irrigation equipment when the rainwater is lacked, can enough alleviate urban waterlogging, can the water economy resource again, avoid the waste of the water energy, when solving the rainwater and lacking, the condition of city lack of water.

Description

Rainwater drainage and storage system for planting roof

Technical Field

The utility model belongs to the technical field of plant roofing rainwater row holds, especially relate to a rainwater row holds system for planting the roofing.

Background

The planting roof is defined as that planting soil is paved on a waterproof layer of a building roof or an engineering roof, and plants are planted to play roles of water resistance, heat preservation, heat insulation and ecological environmental protection. However, the greatest problem encountered in the use process of the existing planted roof is drainage, and because the existing planted roof has no special drainage system, after the planted roof absorbs excessive rainwater, water can be always stored in the planting soil layer of the planted roof, and after a long time, the water stored in the planting soil layer of the planted roof can erode and damage the waterproof layer of the building roof or the engineering roof, so that how to use the water stored in the planting soil layer of the planted roof and the technical problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide a rainwater drainage and storage system for planting roofs.

The technical scheme for solving the problem is as follows: a rainwater drainage and storage system for a planted roof comprises a water storage tank and a breathable drainage groove, wherein the breathable drainage groove is positioned on the upper side of the water storage tank, a layer of geotextile is arranged on the upper side of the breathable drainage groove, and a layer of filter screen is arranged on the upper side of the geotextile; the top of the reservoir is provided with a plurality of water inlets, the bottom of the reservoir is provided with a first water pump, the first water pump is connected with a municipal sewage pipeline through a water pipe, the side wall of the reservoir is provided with a second water pump, and the second water pump is connected with the existing sprinkling irrigation equipment through a pipeline; the ventilating and draining groove is of an E-shaped groove structure with a downward opening.

The first water pump is a mud pump.

And liquid level sensors are respectively arranged at the bottom and the side wall of the reservoir.

Through the technical scheme, the beneficial effects of the utility model are that: the reservoir is arranged on a waterproof layer of a building roof or an engineering roof, the breathable drainage groove is laid on the reservoir, the geotextile and the filter screen are laid in the ventilating drainage channel, planting soil and plants are arranged on the filter screen, when the planting soil layer absorbs excessive rainwater, rainwater stored in the planting soil layer permeates into the ventilating drainage channel through the geotextile and the filter screen in sequence, then the water is discharged into the water storage tank through the ventilating water discharge groove, so that rainwater is not stored in the planting soil layer of the planting roof, the waterproof layer of the building roof or the engineering roof is protected from being eroded and damaged, the building roof or the engineering roof is not subjected to water leakage, when rainwater is deficient, the second water pump is used for conveying water stored in the reservoir to the existing sprinkling irrigation equipment, so that urban waterlogging can be relieved, water resources can be saved, waste of water energy is avoided, and the problem of urban water shortage when rainwater is deficient is solved; the first water pump is a slurry pump, and can be started periodically to discharge slurry precipitated at the bottom of the reservoir to a municipal sewage pipeline, so that rainwater precipitates are not accumulated at the bottom of the reservoir; liquid level sensors are respectively arranged on the bottom and the side wall of the reservoir, and workers can know the liquid level condition in the reservoir through the liquid level sensors; when the city lacks water and the rainwater is deficient, use the second water pump to supply water to current sprinkling irrigation equipment through the pipeline, sprinkling irrigation equipment irrigates the plant on planting the soil layer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the air-permeable drainage channel in fig. 1.

Cistern 1, ventilative water drainage tank 2, geotechnological cloth 3, filter screen 4, first water pump 5, second water pump 6, sprinkling irrigation equipment 7, level sensor 8.

Detailed Description

As shown in fig. 1 and 2, the rainwater drainage and storage system for the planted roof comprises a water storage tank 1 and a breathable drainage groove 2, wherein the breathable drainage groove 2 is positioned on the upper side of the water storage tank 1, a layer of geotextile 3 is arranged on the upper side of the breathable drainage groove 2, and a layer of filter screen 4 is arranged on the upper side of the geotextile 3; the top of the reservoir 1 is provided with a plurality of water inlets, the bottom of the reservoir 1 is provided with a first water pump 5, the first water pump 5 is connected with the existing municipal sewage pipeline through a water pipe, the side wall of the reservoir 1 is provided with a second water pump 6, and the second water pump 6 is connected with the existing sprinkling irrigation equipment 7 through a pipeline; the ventilating and draining groove 2 is of an E-shaped groove structure with a downward opening.

The first water pump 5 is a mud pump.

And liquid level sensors 8 are respectively arranged at the bottom and the side wall of the reservoir 1.

The water storage tank 1 is arranged on a waterproof layer of a building roof or an engineering roof, the air-permeable drainage groove 2 is paved on the water storage tank 1, the geotextile 3 and the filter screen 4 are paved on the air-permeable drainage groove 2, the planting soil and the planted plants are arranged on the filter screen 4, when the planted roof absorbs excessive rainwater, the rainwater stored in the planting soil permeates into the air-permeable drainage groove 2 through the geotextile 3 and the filter layer in sequence and then is discharged into the water storage tank 1 through the air-permeable drainage groove 2, so that the rainwater is not stored in the planting soil of the planted roof, the waterproof layer of the building roof or the engineering roof is protected from erosion and damage, the building roof or the engineering roof cannot leak water, when the rainwater is lack, the water stored in the water storage tank 1 is conveyed to the existing sprinkling irrigation equipment 7 by using the second water pump 6, the urban waterlogging can be relieved, the water resource can be, the problem that the city lacks water when rainwater is short is solved; the first water pump 5 is a mud pump, and the mud precipitated at the bottom of the reservoir 1 can be discharged to a municipal sewage pipeline by periodically starting the first water pump 5, so that rainwater precipitates are not accumulated at the bottom of the reservoir 1; liquid level sensors 8 are respectively arranged on the bottom and the side wall of the reservoir 1, and a worker can know the liquid level condition inside the reservoir 1 through the liquid level sensors 8; when the city lacks water and the rainwater is deficient, use second water pump 6 to supply water to current sprinkling irrigation equipment 7 through the pipeline, sprinkling irrigation equipment 7 irrigates the plant on planting the soil layer.

According to the specific embodiment, the water storage tank 1 is fixed on the upper portion of the waterproof layer, the lower surface of the breathable water drainage tank 2 is bonded with the water storage tank 1 through the butyl adhesive tape, the breathable water drainage tank 2 drains water into the water storage tank 1 through the water inlet in the top of the water storage tank 1, the upper surface of the breathable water drainage tank 2 is covered with the geotextile 3, the upper surface of the geotextile 3 is covered with the filter screen 4, and the upper surface of the filter screen 4 is covered with the planting.

The utility model discloses in geotechnological cloth 3, filter screen 4, water pump, sprinkling irrigation equipment 7 and level sensor 8 that use are current conventional technique, and its concrete structural feature is no longer detailed description.

The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.

Claims

1. The utility model provides a rainwater row holds system for planting roofing which characterized in that: the water storage tank is positioned on the upper side of the water storage tank, a layer of geotextile is arranged on the upper side of the breathable water drainage tank, and a layer of filter screen is arranged on the upper side of the geotextile; the top of the reservoir is provided with a plurality of water inlets, the bottom of the reservoir is provided with a first water pump, the first water pump is connected with a municipal sewage pipeline through a water pipe, the side wall of the reservoir is provided with a second water pump, and the second water pump is connected with the existing sprinkling irrigation equipment through a pipeline; the ventilating and draining groove is of an E-shaped groove structure with a downward opening.

2. A rainwater drainage and storage system for a planted roof as claimed in claim 1, wherein: the first water pump is a mud pump.

3. A rainwater drainage and storage system for a planted roof as claimed in claim 2, wherein: and liquid level sensors are respectively arranged at the bottom and the side wall of the reservoir.