CN212478297U

CN212478297U - Ecological sustainable roof garden rainwater collection holds system

Info

Publication number: CN212478297U
Application number: CN202020482251.9U
Authority: CN
Inventors: 刘源; 李娉娉; 张沁瑜
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-04-06
Filing date: 2020-04-06
Publication date: 2021-02-05
Anticipated expiration: 2030-04-06

Abstract

The utility model discloses an ecological sustainability roof garden rainwater collection holds system, including retaining water supply module, the isolation unit permeates water, nutrition soil layer, drip irrigation system and rainwater circulation system, retaining water supply module includes module and lower module, lower module includes retaining box, be equipped with the spillway hole on retaining box's the box wall, the isolation unit that permeates water sets up in retaining water supply module upper portion, nutrition soil layer is enclosed to be arranged in and is permeated water and keep apart unit upper portion, drip irrigation system installs in nutrition soil layer, rainwater circulation system includes the connecting pipe, the one-level cistern, booster water pump one, water purifier, the valve, booster water pump two and second grade cistern, the connecting pipe is connected with drip irrigation system's water pipe delivery port, insert the water inlet of one-level cistern after connecting with the spillway hole on the retaining box again, the delivery port passes through the connecting pipe and is connected with the second grade cistern, the utility model discloses a rainwater collection, Comprehensively takes consideration to realize the collection, purification, storage and reutilization of rainwater.

Description

Ecological sustainable roof garden rainwater collection holds system

Technical Field

The utility model relates to a rainwater cycle technical field, concretely relates to ecological sustainability roof garden rainwater collection holds system.

Background

The roof garden not only has excellent cooling and heat insulation effects, but also can beautify the environment, purify the air, improve local microclimate, enrich the pitching landscape of the city, compensate the greening ground occupied by the building, greatly improve the greening coverage rate of the city, improve the living conditions of people, and is one of effective measures for improving the urban environment.

The sustainability of the roof garden is mainly embodied in the aspect of utilization of water resources, the rainfall water accumulation of the roof is not visible, and the roof rainwater can be collected and utilized to save resources to a certain extent. The water demand of the roof garden is large, and the maintenance pressure of the roof garden is large under the environmental condition that water resources are increasingly lacked.

There are two main ways to construct roof gardens: the first is mould planting, plants in the round hole mould, and the surface through covering the mould reaches the wholeness in the vision, and the water supply is mainly traditional watering mode. The other type is integral planting, and is provided with a vegetation layer, a substrate layer, a filter layer, a hydrophobic layer, a root separating layer and a waterproof layer, wherein the hydrophobic layer plays a role in filtering redundant moisture and preventing the moisture from evaporating too fast, the hydrophobic layer adopts a water storage mold more, and the mold relieves the evaporation of the moisture to a certain extent in a rainwater retention mode, so that the watering time is prolonged. The wholeness is planted and is planted for the mould, has increased the rainwater and has detained the function, nevertheless because retaining mould's space is limited, and a large amount of rainwater passes through drainage pipe and discharges, exposes the shortcoming that is not enough to rainwater utilization ability. The rainwater collection and utilization system has wide meanings of slowing down urban rainwater flood and underground water level reduction, controlling rainwater runoff pollution, improving urban ecological environment and the like.

Therefore, in the existing roof garden technology, designing a novel planting system which can simultaneously take into account the collection and storage of the surplus water resources and the supply of the water resource shortage period and automatically and circularly supply the water required by the plant growth according to the plant growth demand is the key of sustainable roof garden construction.

Disclosure of Invention

The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides one kind and unites roofing construction, rainwater collection processing and water terminal into one, overall planning takes into account, realizes the collection, purification, the saving and the recycle of rainwater, can compromise simultaneously and hold the supply in the period that water resource is deficient to the collection of surplus water resource, can prolong the drought resistance of roof greening and richen an ecological sustainability roof garden rainwater collection system of the plant landscape effect on roof.

In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:

an ecological sustainable roof garden rainwater collection and storage system comprises a water storage and supply module, a water permeable isolation unit, a nutrient soil layer, a drip irrigation system and a rainwater circulation system, wherein the water storage and supply module comprises an upper module and a lower module, the upper module comprises a panel and a bearing siphon cylinder, a water seepage hole is arranged on the panel, the bearing siphon cylinder is of a round platform structure with the upper end connected with the panel and the lower end connected with the panel, a siphon hole is arranged on the cylinder wall of the bearing siphon cylinder, a cup supporting strip is arranged on the outer surface of the cylinder bottom, and a water absorbent is placed in the middle of the bearing siphon cylinder;

the lower module comprises a water storage box, the water storage box is of a prismatic table structure with an opening at the upper end and a big top and a small bottom, supporting pieces are arranged at four corners of the water storage box, a panel of the upper module is placed on the supporting pieces to be connected with the lower module in a matched mode, connecting fasteners are arranged on two adjacent side edges of the water storage box, grooves which are inserted with the connecting fasteners are arranged on the other two side edges of the water storage box, the water storage boxes can be used simultaneously through the matching of the connecting fasteners and the grooves, and water overflow holes are formed in the box walls of the water storage boxes;

the water-permeable isolation unit is arranged at the upper part of the water storage and supply module, the lower surface of the water-permeable isolation unit is contacted with the water absorbent in the bearing siphon, the nutrient soil layer is surrounded at the upper part of the water-permeable isolation unit, the plants are planted in the nutrient soil layer, and the root systems of the plants are arranged on the upper surface of the water-permeable isolation unit;

the drip irrigation system is arranged in the nutrient soil layer and comprises a water pipe and non-woven fabrics, holes are formed in the water pipe, and the non-woven fabrics wrap the water pipe;

the rainwater circulating system comprises a connecting pipe, a first-stage reservoir, a first booster water pump, a water purifier, a valve, a second booster water pump and a second-stage reservoir, the connecting pipe is connected with the water outlet of the water pipe of the drip irrigation system, is connected with the overflow hole on the water storage box and then is connected with the water inlet of the primary reservoir, a first booster water pump is arranged at the water outlet of the first-stage reservoir, the water inlet of the water purifier is connected with the water outlet of the first booster water pump through a connecting pipe, the water outlet of the water purifier is connected with a three-way joint, one end of the three-way joint is connected with the water inlet of a water pipe of the drip irrigation system through a connecting pipe, the other end of the three-way joint is connected with a secondary reservoir through a connecting pipe, and a second booster pump is arranged at the water inlet of the second-stage reservoir, a valve is arranged between the second booster pump and the three-way joint, and a drainage pipeline is arranged at the top end of the second-stage reservoir.

As a further improved technical proposal of the utility model, the water storage and supply module is made of 100 percent high-density polyethylene and polypropylene regenerated plastic.

As a further improved technical scheme of the utility model, the height of bearing siphon section of thick bamboo is not more than the height of retaining box, makes the bottom of bearing siphon section of thick bamboo hold in the palm the cup strip and directly supports the bottom internal surface at the retaining box or the suspension is in the inside of retaining box.

As a further improved technical scheme of the utility model, the retaining box bottom surface is equipped with the cross recess that runs through the bottom surface, the bottom internal surface of retaining box is equipped with the strengthening rib.

As a further improved technical scheme of the utility model, the isolation layer that the isolation unit of permeating water was made for the non-woven fabrics.

As a further improved technical proposal of the utility model, the water absorbent is soil.

As a further improved technical proposal of the utility model, the water pipe of the drip irrigation system is a 32mm water pipe, and the diameter of the hole on the water pipe is 5-10 mm.

As a further improved technical proposal of the utility model, the thickness of the nutrient soil layer is not more than 60 cm.

The utility model has the advantages that:

1. the utility model discloses make the structure between the sustainable plant species plants the system no longer isolated, through the full play effect of the close relation each other. The original moulds are connected into a whole to play a role, if one mould goes wrong, the whole system goes wrong, although the basic mechanism formed by the modules is a whole, the water storage systems of all the modules are independent, the original mould cannot be used, and the spliced modules can be more suitable for different roofs.

2. Rainwater collection system among the original roof greening technique is imperfect, even adopt the module to plant, most spaces are planted by the plant and occupy in the mould, and retaining box space is little, and the water utilizes and can not last, the utility model discloses add rainwater circulation system, effectively store and supply the plant water, great extension the drought resisting period of plant.

3. The invention can realize quadruple root-blocking effect, the non-woven fabrics, the top cover plate and the bottom of the mould have root-blocking performance, and the characteristic of water-proof of the plant root system is utilized, when the water in the soil is saturated, the excessive water permeates into the water storage tank of the lower mould block, so that the water-proof performance of the plant root system can be achieved frequently, the plant root system can not automatically extend to the roof, the root-blocking effect is achieved, and the damage of the plant root system to the building roof is greatly reduced.

4. The drip irrigation system is arranged in soil, and directly supplies water to plant roots on the basis of not influencing the attractiveness, so that the water is saved compared with irrigation.

5. The utility model discloses simple structure can adopt the mould to realize large-scale production, is made by 100% high density polyethylene and polypropylene reclaimed plastic, can uvioresistant, ageing resistance, anti impact pressure, need not artifical irrigation and maintenance under normal conditions, and the later maintenance expense is low.

6. The utility model discloses the bottom of planting the module designs into the shape of cross inner groovy, makes the module built on stilts, and the too much ponding of draining away of convenient to be swift, and the inner groovy of bottom is favorable to ventilating, enables the roof and keeps circulation of air and dry state, plays very big help in the aspect of the growth of plant.

Drawings

Fig. 1 is a schematic structural diagram of the rainwater collection and storage system of the ecologically sustainable roof garden.

Fig. 2 is a schematic view of the single water storage and supply module of the present invention.

Fig. 3 is a schematic top view of the lower module of the present invention.

Fig. 4 is a schematic bottom view of the lower module of the present invention.

Fig. 5 is a schematic view of the top view structure of the combined use state of the 4 water storage and supply modules of the present invention.

Fig. 6 is a left side view of the upper module of the present invention.

Fig. 7 is a left side view of the lower module of the present invention.

Fig. 8 is a cross-sectional view taken along line a-a of fig. 5 in accordance with the present invention.

Detailed Description

The following further description of embodiments of the present invention is made with reference to the accompanying drawings 1-8:

as shown in figure 1, the ecological sustainable roof garden rainwater collection and storage system comprises a water storage and supply module 1, a water permeable isolation unit 9, a nutrient soil layer 10, a drip irrigation system 12 and a rainwater circulation system 19. The water storage and supply module 1 comprises an upper module and a lower module, as shown in fig. 2, the upper module comprises a panel 3 and a bearing siphon tube 4, a water seepage hole 14 is formed in the panel 3, the bearing siphon tube 4 is a round platform structure with the upper end connected with the panel 3 and the larger end, as shown in fig. 6, a siphon hole 5 is formed in the wall of the bearing siphon tube 4, a cup supporting strip 15 is arranged on the outer surface of the bottom of the tube, and a water absorbent is placed in the middle of the bearing siphon tube 4.

As shown in fig. 3, 4 and 7, the lower module includes a water storage box 6, the water storage box 6 is a prismatic table structure with an upper opening and a large upper end and a lower opening, so that the lower module can be stacked and placed, thereby facilitating transportation and construction, the four corners of the water storage box 6 are provided with supporting pieces 2, the panel 3 of the upper module is connected with the lower module in a matched manner (as shown in fig. 8) by being placed on the supporting pieces 2, two adjacent sides of the water storage box 6 are provided with connecting fasteners 7, and the other two sides are provided with grooves 8 which are plugged with the connecting fasteners 7, so that the water storage boxes 6 can be used simultaneously through the matching of the connecting fasteners 7 and the grooves 8 (as shown in fig. 5, which is a schematic diagram after the 4 water storage and supply modules 1 are combined), and the box walls of the water storage box 6 are provided with overflow holes 18 (as shown in fig.

As shown in fig. 1, the water-permeable isolating unit 9 is disposed on the upper portion of the water storage and supply module 1 for preventing the root system of the plant 11 from entering the water storage and supply module 1, the lower surface of the water-permeable isolating unit 9 contacts with the water absorbent in the bearing siphon tube 4, the nutrition soil layer 10 is enclosed on the upper portion of the water-permeable isolating unit 9, so as to send the water into the bearing siphon tube 4 when the water is sufficient, the water in the water absorbent is absorbed into the nutrition soil layer 10 on the upper portion when the water is deficient, the plant 11 is planted in the nutrition soil layer 10, and the root system of the plant 11 is disposed on the upper surface of the water-permeable isolating unit 9.

As shown in fig. 1, the drip irrigation system 12 is installed in the nutrient soil layer 10, the drip irrigation system 12 includes a water pipe and a non-woven fabric, the water pipe is provided with holes, and the non-woven fabric is wrapped on the water pipe, so that the holes are not blocked to avoid affecting the drip irrigation effect;

the rainwater circulation system 19 comprises a connecting pipe 20, a first-stage reservoir 21, a first booster pump 25, a water purifier 22, a valve 24, a second booster pump 26 and a second-stage reservoir 23, the connecting pipe 20 is connected with a water outlet of the drip irrigation system 12 and then connected with an overflow hole 18 on the water storage box 6 and then connected with a water inlet of the first-stage reservoir 21, the first booster pump 25 is arranged at a water outlet of the first-stage reservoir 21, a water inlet of the water purifier 22 is connected with a water outlet of the first booster pump 25 through the connecting pipe 20, a water outlet of the water purifier 22 is connected with a three-way joint 27, one end of the three-way joint 27 is connected with a water inlet of the drip irrigation system 12 through the connecting pipe 20, the other end of the three-way joint is connected with the second-stage reservoir 23 through the connecting pipe 20, the second booster pump 26 is arranged at the, and a drainage pipeline is arranged at the top end of the secondary reservoir 23.

In this embodiment, the water storage and supply module 1 is made of 100% high density polyethylene and polypropylene recycled plastic, so that the water storage and supply module 1 is ultraviolet-resistant, ageing-resistant, stamping-resistant and long in service life.

In this embodiment, the height of the bearing siphon tube 4 is not larger than the height of the water storage box 6, so that the bottom cup supporting strip 15 of the bearing siphon tube 4 is directly supported on the bottom inner surface of the water storage box 6 or suspended in the water storage box 6.

In this embodiment, the outer surface of the bottom surface of the water storage box 6 is provided with a cross-shaped groove 17 (as shown in fig. 4) penetrating through the bottom surface, so that the module is overhead, and the water storage box 6 is convenient and quick to drain excessive water, and the inner surface of the bottom of the water storage box 6 is provided with a reinforcing rib 16 to enhance the bearing capacity of the water storage box 6.

In this embodiment, the water permeable isolation unit 9 is an isolation layer made of non-woven fabric.

In this embodiment, the water absorbent is soil.

In this embodiment, the water pipe of the drip irrigation system 12 is a 32mm water pipe, and the diameter of the hole on the water pipe is 5-10 mm.

In this embodiment, the thickness of the nutrient soil layer 10 is not more than 60 cm.

In this embodiment, the joint between the first-stage reservoir 21 and the second-stage reservoir 23 is filled with epoxy resin, so that the first-stage reservoir 21 and the second-stage reservoir 23 are watertight, the installation height of the second-stage reservoir 23 is lower than that of the first-stage reservoir 21, the installation height of the first-stage reservoir 21 is lower than that of the impounded water supply module 1, when the water in the impounded water supply module 1 is excessive, the water enters the connecting pipe 20 along the overflow hole 18, flows into the first-stage reservoir 21 by gravity and is stored in the first-stage reservoir 21, and when the first-stage reservoir 21 is full, the water flows into the second-stage reservoir.

The installation operation is as follows:

selecting a proper roof surface, laying the roof surface or erecting a lower module of the water storage box 6 as a water storage and supply module 1 through a frame, inserting and combining different water storage boxes 6 through a connecting fastener 7 and a groove 8 to complete assembly, placing the panel 3 on a supporting piece 2 of each water storage box 6 as an upper module, ensuring that a bearing siphon cylinder 4 is placed inside the water storage box 6, placing a water absorbent (such as soil) in the bearing siphon cylinder 4 to complete laying of the water storage and supply module 1, laying a water permeable isolation unit 9 on the upper part of the water storage and supply module 1, contacting the lower surface of the water permeable isolation unit 9 with the water absorbent in the bearing siphon cylinder 4, enclosing a nutrient soil layer 10 on the upper part of the water permeable isolation unit 9, wherein the thickness of the nutrient soil layer 10 is not more than 60cm, and laying the water permeable isolation unit 9 on the upper part of the water permeable

Belt

The water pipe winding non-woven fabrics of hole is buried in nutrition soil layer 10 as drip irrigation system 12, and plant 11 plants in nutrition soil layer 10, and places the root system of plant 11 in the upper surface of the isolation unit 9 that permeates water. The water outlet of the water pipe is connected with a connecting pipe 20, the connecting pipe 20 is connected with an overflow hole 18 on the water storage box 6 and then connected with the water inlet of a first-stage reservoir 21, the water outlet of the first-stage reservoir 21 is connected with the water inlet of a first booster pump 25 through the connecting pipe 20, the water outlet of the first booster pump 25 is connected with the water inlet of a water purifier 22 through the connecting pipe 20, the water outlet of the water purifier 22 is connected with a three-way joint 27, one end of the three-way joint 27 is connected with the water inlet of the water pipe of the drip irrigation system 12 through the connecting pipe 20, the other end of the three-way joint is connected with the water inlet of a second-stage reservoir 23 through the connecting pipe 20 after being provided with a valve 24, a second booster pump 26 is arranged at the water inlet of the second-stage, the installation height of the first-stage reservoir 21 is lower than that of the water storage and supply module 1, so that when the water in the water storage and supply module 1 is excessive, the water can flow into the first-stage reservoir 21 through the overflow holes 18, and the second-stage reservoirThe installation height of the water purifier 23 is lower than that of the first water reservoir 21, so that when the water in the first water reservoir 21 is excessive, the water is purified by the water purifier 22 and then enters the second water reservoir 23, and the water can be used for domestic water through a drainage pipeline and can be drained through the drainage pipeline.

The working principle is as follows:

when the rainfall is sufficient, the excessive water flows into the water storage box 6 through the water seepage hole 14 and the siphon hole 5 of the upper module, after the water level stored in the water storage box 6 exceeds the overflow hole 18, the excessive water flows into the first-level reservoir 21 through the connecting pipe 20 under the action of gravity, after the first-level reservoir 21 is full of water, the water is purified through the water quality purifier 22 and then enters the second-level reservoir 23 through the action of gravity or the first booster pump 25, the water in the second-level reservoir 23 can be used for domestic water through the drainage pipeline, and when the water in the second-level reservoir 23 is excessive, the excessive water can be drained through the drainage. When the plants 11 need to be subjected to drop irrigation due to water shortage, if water exists in the primary reservoir 21, the valve 24 is closed, the water in the primary reservoir 21 flows into the water pipe through the first booster pump 25 to finish drop irrigation, and the redundant water flows back to the primary reservoir 21 through the connecting pipe 20; if there is no water in the first-stage reservoir 21 and the second-stage reservoir 23, the water inflow pipe in the second-stage reservoir 23 is used for completing the drip irrigation through the second booster pump 26, because the water purifier 22 is the one-way pressure filtration, the water in the second-stage reservoir 23 cannot flow into the first-stage reservoir 21 along the water purifier 22, and the redundant water after the drip irrigation flows into the first-stage reservoir 21 through the connecting pipe 20, so that the rainwater collection and the sustainable circulating drip irrigation are completed.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims

1. The utility model provides an ecological sustainability roof garden rainwater collection holds system, includes retaining water supply module, permeates water and keeps apart unit and nutrition soil layer, its characterized in that: the rainwater storage and supply module comprises an upper module and a lower module, the upper module comprises a panel and a bearing siphon tube, a water seepage hole is formed in the panel, the upper end of the bearing siphon tube is of a round platform structure with a large upper part and a small lower part, the upper end of the bearing siphon tube is connected with the panel, a siphon hole is formed in the wall of the bearing siphon tube, a cup supporting strip is arranged on the outer surface of the bottom of the bearing siphon tube, and a water absorbent is placed in the middle of the bearing siphon tube;

2. An ecologically sustainable roof garden storm water collection and storage system as claimed in claim 1, wherein: the height of the bearing siphon cylinder is not more than that of the water storage box, so that the bottom cup supporting strip of the bearing siphon cylinder is directly supported on the inner surface of the bottom of the water storage box or is suspended in the water storage box.

3. An ecologically sustainable roof garden storm water collection and storage system as claimed in claim 1, wherein: the outer surface of the bottom surface of the water storage box is provided with a cross-shaped groove penetrating through the bottom surface, and the inner surface of the bottom of the water storage box is provided with a reinforcing rib.

4. An ecologically sustainable roof garden storm water collection and storage system as claimed in claim 1, wherein: the water permeable isolation unit is an isolation layer made of non-woven fabrics.

5. An ecologically sustainable roof garden storm water collection and storage system as claimed in claim 1, wherein: the water absorbent is soil.

6. An ecologically sustainable roof garden storm water collection and storage system as claimed in claim 1, wherein: the water pipe of the drip irrigation system is a 32mm water pipe, and the diameter of the hole in the water pipe is 5-10 mm.

7. An ecologically sustainable roof garden storm water collection and storage system as claimed in claim 1, wherein: the thickness of the nutrient soil layer is not more than 60 cm.