CN216427005U - Rainwater recycling and circulating system based on three-dimensional greening - Google Patents
Rainwater recycling and circulating system based on three-dimensional greening Download PDFInfo
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- CN216427005U CN216427005U CN202120722802.9U CN202120722802U CN216427005U CN 216427005 U CN216427005 U CN 216427005U CN 202120722802 U CN202120722802 U CN 202120722802U CN 216427005 U CN216427005 U CN 216427005U
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- 238000004064 recycling Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000003973 irrigation Methods 0.000 claims abstract description 63
- 230000002262 irrigation Effects 0.000 claims abstract description 63
- 238000000746 purification Methods 0.000 claims abstract description 63
- 241001464837 Viridiplantae Species 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 29
- 239000002689 soil Substances 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000012466 permeate Substances 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Abstract
The utility model discloses a rainwater recycling and circulating system based on three-dimensional greening, which comprises a roof greening rainwater collecting and purifying system, a vertical greening rainwater irrigation and purifying system and an outdoor rainwater purifying and circulating system, wherein rainwater enters the vertical greening rainwater irrigation and purifying system after being subjected to quadruple purification and filtration by the roof greening rainwater collecting and purifying system, enters the outdoor rainwater purifying and circulating system after being subjected to quadruple purification and filtration, is precipitated by the outdoor rainwater purifying and circulating system, is pressurized and conveyed to a roof water tank by a pressurizing pump unit, and rainwater in the roof water tank flows into the roof greening rainwater purifying system through a water outlet pipe. The utility model can realize effective retention of rainwater, adsorption, filtration and purification, rainwater recycling and cyclic resource utilization, and relieve the pressure of rainstorm on urban pipe networks.
Description
Technical Field
The utility model relates to a circulating system, in particular to a rainwater recycling circulating system based on three-dimensional greening, and belongs to the technical field of municipal engineering and environmental protection.
Background
With the rapid increase of population in China, the living standard of residents is continuously improved, in order to meet living demands, more and more urban buildings replace the original urban green land, and the environmental deterioration of climate, soil, air and the like in the urban is aggravated. In recent years, because urban waterlogging disasters occur frequently, how to scientifically and effectively solve urban waterlogging becomes a focus of attention of governments and professionals. In addition to urban inland inundation, the pollution of the runoff rainwater is another important problem which must be faced in the urban water pollution treatment process in China, the greening area is increased, the environmental problems such as the pollution of the runoff rainwater and the like are solved, and the sustainable development of urban ecological construction is important.
However, the construction of a series of infrastructures in urban development is necessarily contradictory to the urban greening land, so that the traditional ground greening cannot meet the requirements of urban greening, and the three-dimensional greening as a new greening form has small floor area and large greening coverage area, thereby not only saving land resources and increasing the greening rate, but also playing the role of reducing the damage of acid rain and ultraviolet rays to waterproof layers and wall surfaces and prolonging the service life of buildings. In addition, one deck soil adheres to on the roof, effectively alleviates concrete surface temperature variation, when lightening the influence of temperature variation to the structure, can also purify the rainwater and adsorb, alleviates initial stage rainfall runoff and pollutes, improves the rainwater utilization ratio, alleviates the waterlogging calamity. Therefore, the urban three-dimensional greening plays a great role in prolonging the service life of buildings, and the three-dimensional greening becomes an indispensable greening form in modern cities by combining the advantages and factors.
At present, the three-dimensional greening work in China is in a rapid development stage, and although vertical greening has a certain level, the novel application mode of the three-dimensional greening needs to be explored urgently due to the existence of the problems of unbalanced regional development and the like.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a rainwater recycling and circulating system based on urban three-dimensional greening, which can realize rainwater adsorption, filtration and purification, effectively retain rainwater, relieve the pressure of rainstorm on an urban pipe network and realize rainwater recharge and resource utilization.
In order to achieve the above purposes, the rainwater recycling and circulating system based on three-dimensional greening comprises a roof greening rainwater collecting and purifying system, a vertical greening rainwater irrigation and purifying system and an outdoor rainwater purifying and circulating system; the roof greening rainwater collecting and purifying system comprises a roof water tank and a roof green plant collecting and purifying device; the vertical greening rainwater irrigation purification system comprises a vertical greening rainwater irrigation purification device and a vertical rainwater vertical pipe; the outdoor rainwater purification circulating system comprises an outdoor rainwater storage tank; it is characterized in that the preparation method is characterized in that,
the upper part of the left side of the roof water tank is connected with a first overflow pipe, a water inlet is formed in the corresponding position of the right side of the roof water tank, a liquid level meter is arranged in the roof water tank, a water outlet pipe is arranged in the middle of the left side of the roof water tank, a water outlet of the water outlet pipe is positioned at the upper part of the roof green plant collecting and purifying device, and a gate valve is connected to the water outlet pipe; the permeable layer of the roof green plant collecting and purifying device is communicated with the upper end of a vertical rainwater vertical pipe through a roof green water outlet pipe, the lower end of the vertical rainwater vertical pipe is positioned at the upper part of the vertical green rainwater irrigation and purifying device, and the vertical rainwater vertical pipe is arranged on the side surface of the outer wall of the building;
the vertical greening rainwater irrigation purification device is installed on the side face of the outer wall of a building through a wall support, a permeable layer of the vertical greening rainwater irrigation purification device is communicated with an outdoor rainwater storage tank through a vertical rainwater vertical pipe, a water outlet of the outdoor rainwater storage tank is connected with a water inlet of a roof water tank through a return pipe, a pressure pump unit and a check valve are connected onto the return pipe, a liquid level controller is installed beside the pressure pump unit, and the liquid level controller is electrically connected with a liquid level meter.
Preferably, a vertical greening rainwater irrigation purification device is installed on an outer wall of a building at certain intervals through a wall bracket, four layers of vertical greening rainwater irrigation purification devices are sequentially installed from top to bottom, a vertical rainwater vertical pipe is installed between two adjacent vertical greening rainwater irrigation purification devices, the upper end of the vertical rainwater vertical pipe is communicated with a permeable layer of an upper layer of vertical greening rainwater irrigation purification device, and the lower end of the vertical rainwater vertical pipe is positioned at the upper part of a lower layer of vertical greening rainwater irrigation purification device; the permeable layer of the vertical greening rainwater irrigation purification device at the bottommost layer is communicated with the outdoor rainwater storage tank through the vertical rainwater vertical pipe, and the vertical greening rainwater irrigation purification device at the upmost layer is communicated with the roof greening water outlet pipe through the vertical rainwater vertical pipe.
Preferably, the green planting collection and purification device on the roof and the vertical greening rainwater irrigation and purification device are sequentially provided with a green planting layer, a soil layer, a gravel layer, a water storage layer and a permeable layer from top to bottom.
Furthermore, a perforated plate is arranged below the gravel layer.
Further, a plurality of water-absorbing cotton cores are arranged in the roof green plant collecting and purifying device and the vertical greening rainwater irrigation purifying device and penetrate through the soil layer, the gravel layer and the water storage layer.
Further, a green plant layer of the roof green plant collecting and purifying device is communicated with the upper end of the vertical rainwater vertical pipe through a second overflow pipe; install a plurality of perpendicular overflow pipes among the perpendicular afforestation rainwater watering purifier, perpendicular overflow pipe bottom and permeable formation intercommunication, its overflow mouth of one part perpendicular overflow pipe is located the water-storage layer, its overflow mouth of another part perpendicular overflow pipe is located green layer of planting, and the third filter screen is installed at the perpendicular overflow pipe top that the overflow mouth is located green layer of planting.
Furthermore, a rainwater vertical pipe is independently installed on the outer wall of the building and is arranged in parallel with the vertical rainwater vertical pipe to form a double-vertical-pipe system, and a roof rainwater hopper is installed at the top of the rainwater vertical pipe.
Further, an overflow port of the second overflow pipe is provided with a first filter screen.
Further, a third overflow pipe is arranged at the upper part of the side surface of the outdoor rainwater storage tank.
Furthermore, a silt collecting box is arranged on the left side of the outdoor rainwater storage tank, and a mud plate, a filter screen and a movable pulley block are installed in the silt collecting box.
Compared with the prior art, the utility model adopts a mode of combining a roof greening rainwater collecting and purifying system, a vertical greening rainwater irrigation and purifying system and an outdoor rainwater purifying and circulating system. Rainwater is permeated, retained, adsorbed and purified in the roof green plant collecting and purifying device and the vertical greening irrigation purifying device, the discharge amount of the rainwater is greatly reduced, and the peak volume of urban rainwater is reduced to a great extent; rainwater is adsorbed and filtered by a vegetation layer, a soil layer, a gravel layer, a water storage layer, a permeable layer and the like of a flowing system, wherein the content of impurities is greatly reduced, and pollutants and the like carried by the rainwater are adsorbed and degraded by green plants to a certain extent; the purified rainwater can be stored in a water storage layer, a water tank and a water pool for a long time, so that green plants can be irrigated in drought and the rainwater can be recycled; and the roof and the vertical greening have the characteristics of heat preservation and insulation, climate regulation, urban air purification and the like. The utility model realizes the combination of rainwater collection and purification and rainwater recycling, relieves the urban flood disasters, saves a large amount of water resources and reduces the pressure of the drainage pipe network of the urban building. Meanwhile, roof greening and vertical greening are important components of three-dimensional greening, and play roles in improving urban ecological environment, purifying air and beautifying environment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partially enlarged schematic view of FIG. 1;
FIG. 3 is a schematic view of the structure of the sub-system vertical greening rainwater irrigation purification system of the present invention;
in the figure: 1. a roof tank; 2. a gate valve; 3. a water outlet pipe; 4. a roof green plant collecting and purifying device; 5. a second overflow tube; 6. a first filter screen; 7. a roof greening water outlet pipe; 8. roof rain gutters; 9. a rainwater stand pipe; 10. a vertical greening rainwater irrigation purification device; 10-1, a green plant layer; 10-2, a soil layer; 10-3, a gravel layer; 10-4, a perforated plate; 10-5, a water storage layer; 10-6, a permeation layer; 10-7, a vertical overflow pipe; 10-8 parts of absorbent cotton core; 10-9, vertical rainwater vertical pipes; 10-10 wall brackets; 16. a silt collecting box; 17. a booster pump unit; 18. a check valve; 19. a third overflow pipe; 20. a liquid level meter; 21. a first overflow pipe; 22. an outdoor rainwater storage tank; 23. a water return pipe; 24. a liquid level controller.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1, fig. 2 and fig. 3, the rainwater recycling and circulating system based on three-dimensional greening of the present invention comprises a roof greening rainwater collecting and purifying system, a vertical greening rainwater irrigation and purifying system and an outdoor rainwater purifying and circulating system; the roof greening rainwater collecting and purifying system comprises a roof water tank 1 and a roof green plant collecting and purifying device 4; the vertical greening rainwater irrigation purification system comprises a vertical greening rainwater irrigation purification device 10 and a vertical rainwater vertical pipe 10-9; the outdoor rainwater purification circulating system comprises an outdoor rainwater storage tank 22;
the upper part of the left side of the roof water tank 1 is connected with a first overflow pipe 21, a water inlet is arranged at the corresponding position of the right side, a liquid level meter 20 is arranged in the roof water tank, the middle part of the left side of the roof water tank 1 is provided with a water outlet pipe 3, the water outlet of the water outlet pipe 3 is positioned at the upper part of the roof green plant collecting and purifying device 4, and the water outlet pipe 3 is connected with a gate valve 2; the permeable layer 10-6 of the roof green plant collecting and purifying device 4 is communicated with the upper end of a vertical rainwater vertical pipe 10-9 through a roof greening water outlet pipe 7, the lower end of the vertical rainwater vertical pipe 10-9 is positioned at the upper part of the vertical greening rainwater irrigation and purifying device 10, and the vertical rainwater vertical pipe 10-9 is installed on the side surface of the outer wall of the building;
the vertical greening rainwater irrigation and purification device 10 is installed on the side face of an outer wall of a building through a wall support 10-10, a permeable layer 10-6 of the vertical greening rainwater irrigation and purification device is communicated with an outdoor rainwater storage tank 22 through a vertical rainwater vertical pipe 10-9, a water outlet of the outdoor rainwater storage tank 22 is connected with a water inlet of a roof water tank 1 through a water return pipe 23, a pressure pump unit 17 and a check valve 18 are connected to the water return pipe 23, a controller 24 is installed beside the pressure pump unit 17, and the controller 24 is electrically connected with a liquid level meter 20.
Preferably, a vertical greening rainwater irrigation and purification device 10 is arranged on an outer wall of a building at certain intervals through a wall support 10-10, four layers of vertical greening rainwater irrigation and purification devices 10 are sequentially arranged from top to bottom, a vertical rainwater vertical pipe 10-9 is arranged between every two adjacent vertical greening rainwater irrigation and purification devices 10, the upper end of the vertical rainwater vertical pipe 10-9 is communicated with a permeable layer 10-6 of the upper vertical greening rainwater irrigation and purification device 10, and the lower end of the vertical rainwater vertical pipe is positioned at the upper part of the lower vertical greening rainwater irrigation and purification device 10; the permeable layer 10-6 of the vertical greening rainwater irrigation and purification device 10 at the bottommost layer is communicated with the outdoor rainwater storage tank 22 through the vertical rainwater vertical pipe 10-9, and the vertical greening rainwater irrigation and purification device 10 at the topmost layer is communicated with the roof greening water outlet pipe 7 through the vertical rainwater vertical pipe 10-9.
Preferably, the green plant collecting and purifying device 4 and the vertical greening rainwater irrigation and purification device 10 are internally provided with a green plant layer 10-1, a soil layer 10-2, a gravel layer 10-3, a water storage layer 10-5 and a permeable layer 10-6 from top to bottom in sequence.
Furthermore, a perforated plate 10-4 is arranged below the gravel layer 10-3 and mainly plays a role in separation and support.
Furthermore, a plurality of water-absorbing cotton cores 10-8 are arranged in the roof green plant collecting and purifying device 4 and the vertical greening rainwater irrigation purifying device 10, and the water-absorbing cotton cores 10-8 penetrate through the soil layer 10-2, the gravel layer 10-3 and the water storage layer 10-5. In the drought and no precipitation in the weather or when the water storage capacity in the roof water tank 1 is not enough for irrigation, the rainwater recycling can be realized through the water absorption cotton core 10-8 at the initial stage of green planting in the roof green plant collection and purification device 4 and the vertical greening rainwater irrigation and purification device 10, and the recycling is realized through the self absorption of the plant hairy root system at the later stage, so that the demand of the plants on the rainwater under the drought condition is ensured.
Further, a green plant layer 10-1 of the roof green plant collecting and purifying device 4 is communicated with the upper end of a vertical rainwater vertical pipe 10-9 through a second overflow pipe 5; a plurality of vertical overflow pipes 10-7 are arranged in the vertical greening rainwater irrigation and purification device 10, the bottoms of the vertical overflow pipes 10-7 are communicated with a permeable layer 10-6, the overflow ports of one part of the vertical overflow pipes 10-7 are positioned on a water storage layer 10-5, and the overflow ports of the other part of the vertical overflow pipes 10-7 are positioned on a green plant layer 10-1, as shown in figure 3. When rainstorm occurs, rainwater naturally subsides and permeates slowly and is easy to accumulate, when rainwater reaches a certain height in the roof green plant collection and purification device 4 and the vertical greening rainwater irrigation and purification device 10, the rainwater can directly enter the permeable layer 10-6 through the vertical overflow pipe 10-7 of the overflow port located in the green plant layer 10-1, a third filter screen (not shown in the figure) is installed at the top of the vertical overflow pipe 10-7 of the overflow port located in the green plant layer 10-1, impurities such as silt and the like in the rainwater are filtered by the third filter screen and then directly discharged to enter the vertical greening vertical pipe 10-9, rainwater permeation pressure is reduced, on one hand, part of initial rainwater is collected, on the other hand, green plant root rot is effectively prevented, and a worker can regularly clear the third filter screen to prevent the third filter screen from being blocked.
Furthermore, a rainwater vertical pipe 9 is independently installed on the outer wall of the building, a double-vertical-pipe system is formed by parallel arrangement of the rainwater vertical pipe 9 and the vertical rainwater vertical pipe 10-9, a roof rainwater hopper 8 is installed at the top of the rainwater vertical pipe 9, rainwater collection is facilitated, the rainwater vertical pipe 9 is not connected with the vertical greening rainwater irrigation purification device 10, and when heavy rainstorm occurs, rainwater directly enters the rainwater vertical pipe 9 through the roof rainwater hopper 8 to be scattered or flows into a municipal drainage pipe network.
Further, the first filter screen 6 is arranged at the overflow port of the second overflow pipe 5, rainwater flowing into the vertical rainwater vertical pipe 10-9 from the roof green plant collection and purification device 4 is primarily purified, and the first filter screen 6 can filter impurities such as silt in the rainwater.
A third overflow pipe 19 is further arranged on the upper portion of the side surface of the outdoor rainwater storage tank 22, and when the horizontal surface in the outdoor rainwater storage tank 22 is higher than the third overflow pipe 19, water in the outdoor rainwater storage tank 22 flows out along the third overflow pipe 19.
Further, the left side of the outdoor rainwater storage tank 22 is provided with the silt collecting box 16, and a worker can scrape silt at the bottom of the outdoor rainwater storage tank 22 into the silt collecting box 16 regularly and then clean the silt in the silt collecting box 16 regularly.
During operation, the green plant layer 10-1 of the roof green plant collecting and purifying device 4 collects and filters natural rainfall, rainwater is filtered and purified through the soil layer 10-2, the gravel layer 10-3 and the perforated plate 10-4, rainwater subjected to quadruple purification and filtration permeates into the water storage layer 10-5 and is effectively retained, redundant rainwater enters the water storage layer 10-5 after the rainwater is full through the vertical overflow pipe 10-7 and enters the permeable layer 10-6, and finally rainwater of the permeable layer 10-6 of the roof green plant collecting and purifying device 4 flows into the vertical rainwater vertical pipe 10-9 through the roof greening water outlet pipe 7 and enters the uppermost layer vertical greening rainwater irrigation and purification device 10.
After rainwater enters the uppermost vertical greening rainwater irrigation and purification device 10 through the vertical rainwater stand pipe 10-9, the rainwater is filtered by the green plant layer 10-1, the soil layer 10-2, the gravel layer 10-3 and the perforated plate 10-4 of the vertical greening rainwater irrigation and purification device 10 to be purified, then the rainwater permeates to the water storage layer 10-5 and is effectively retained, after the rainwater in the water storage layer 10-5 is full, the redundant rainwater enters the permeable layer 10-6 through the overflow pipe 10-7 and is collected to the bottom of the vertical greening rainwater irrigation and purification device 10 through the permeable layer 10-6, the rainwater flows into the vertical rainwater stand pipe 10-9 and then enters the next vertical greening rainwater irrigation and purification device 10, and after the rainwater permeates layer by layer through the four vertical greening rainwater irrigation and purification devices 10, the rainwater finally flows into the outdoor rainwater storage tank 22 through the vertical rainwater stand pipe 10-9 and is effectively retained, the silt settled after standing is left at the bottom of the outdoor rainwater storage tank 22, workers can scrape the silt at the bottom of the outdoor rainwater storage tank 22 into the silt collecting box 16 regularly, and the silt in the silt collecting box 16 is cleaned regularly at the later stage.
As shown in fig. 1, filtered and purified rainwater in the outdoor rainwater storage tank 22 is delivered to the roof water tank 1 through the outlet of the outdoor rainwater storage tank 22 by the pressure pump unit 17 on the water return pipe 23, and further, the roof water tank 1 is covered to prevent rainwater from entering and polluting the purified rainwater. Purified rainwater in the roof water tank 1 flows through the water outlet pipe 3, and is controlled by the gate valve 2 to be opened and closed to flow into a roof greening rainwater collection and purification system, so that the rainwater is recycled. The water level of the roof water tank 1 is acted by a liquid level meter 20, a liquid level controller 24 and a pressure pump unit 17 together, the liquid level controller 24 is respectively and electrically connected with the liquid level meter 20 and the pressure pump unit 17 through lines, the liquid level meter 20 is arranged in the roof water tank 1, the liquid level controller 24 is arranged beside the pressure pump unit 17, the liquid level meter 20 is electrically connected with the liquid level controller 24, the liquid level meter 20 senses the high and low water levels of the water tank in the roof water tank 1 and transmits sensed liquid level signals to the liquid level controller 24, the liquid level controller 24 controls the start and stop of the pressure pump unit 17 according to the liquid level signals transmitted by the liquid level meter 20 so as to automatically control water inflow, when the liquid level meter 20 senses that the water level is at the low water level, the liquid level controller 24 controls the pressure pump unit 17 to start, the water in the outdoor rainwater storage tank 22 is transmitted to the roof water tank 1, and when the water level is at the high water level, the liquid level controller 24 controls the pressure pump unit 17 to stop working, the roof tank 1 stops the water intake. The roof water tank 1 has the functions of storing rainwater and watering the roof in arid seasons and planting green plants vertically.
In addition, because the vertical rainwater pipe 9 and the vertical rainwater pipe 10-9 are arranged in parallel to form a double-vertical-pipe system, the vertical rainwater pipe 9 is not connected with the vertical greening rainwater irrigation and purification device 10, and when heavy rainstorm occurs, rainwater directly enters the vertical rainwater pipe 9 through the roof rainwater hopper 8 to be dispersed or flows into a municipal drainage pipeline.
Claims (10)
1. A rainwater recycling and circulating system based on three-dimensional greening comprises a roof greening rainwater collecting and purifying system, a vertical greening rainwater irrigation and purifying system and an outdoor rainwater purifying and circulating system; the roof greening rainwater collecting and purifying system comprises a roof water tank (1) and a roof green plant collecting and purifying device (4); the vertical greening rainwater irrigation purification system comprises a vertical greening rainwater irrigation purification device (10) and a vertical rainwater vertical pipe (10-9); the outdoor rainwater purification circulating system comprises an outdoor rainwater storage tank (22); it is characterized in that the preparation method is characterized in that,
the upper part of the left side of the roof water tank (1) is connected with a first overflow pipe (21), a water inlet is formed in the corresponding position of the right side of the roof water tank, a liquid level meter (20) is installed inside the roof water tank, a water outlet pipe (3) is arranged in the middle of the left side of the roof water tank (1), a water outlet of the water outlet pipe (3) is positioned on the upper part of the roof green plant collecting and purifying device (4), and a gate valve (2) is connected onto the water outlet pipe (3); the permeable layer (10-6) of the roof green plant collecting and purifying device (4) is communicated with the upper end of a vertical rainwater vertical pipe (10-9) through a roof greening water outlet pipe (7), the lower end of the vertical rainwater vertical pipe (10-9) is positioned at the upper part of the vertical greening rainwater irrigation and purifying device (10), and the vertical rainwater vertical pipe (10-9) is installed on the side surface of the outer wall of a building;
the vertical greening rainwater irrigation purification device (10) is installed on the side face of an outer wall of a building through a wall support (10-10), a permeable layer (10-6) of the vertical greening rainwater irrigation purification device is communicated with an outdoor rainwater storage tank (22) through a vertical rainwater vertical pipe (10-9), a water outlet of the outdoor rainwater storage tank (22) is connected with a water inlet of a roof water tank (1) through a water return pipe (23), a pressure pump unit (17) and a check valve (18) are connected onto the water return pipe (23), a liquid level controller (24) is installed beside the pressure pump unit (17), and the liquid level controller (24) is electrically connected with a liquid level meter (20).
2. The rainwater recycling and circulating system based on three-dimensional greening according to claim 1, characterized in that a vertical greening rainwater irrigation and purification device (10) is installed on the outer wall of the building through a wall bracket (10-10) at regular intervals, four layers of vertical greening rainwater irrigation and purification devices (10) are sequentially installed from top to bottom, a vertical rainwater vertical pipe (10-9) is installed between two adjacent layers of vertical greening rainwater irrigation and purification devices (10), the upper end of the vertical rainwater vertical pipe (10-9) is communicated with the permeable layer (10-6) of the upper layer of vertical greening rainwater irrigation and purification device (10), and the lower end is positioned on the upper part of the lower layer of vertical greening rainwater irrigation and purification device (10); the permeable layer (10-6) of the vertical greening rainwater irrigation and purification device (10) at the bottommost layer is communicated with the outdoor rainwater storage tank (22) through a vertical rainwater vertical pipe (10-9), and the vertical greening rainwater irrigation and purification device (10) at the topmost layer is communicated with the roof greening water outlet pipe (7) through the vertical rainwater vertical pipe (10-9).
3. A rainwater recycling system based on three-dimensional greening according to claim 1 or 2, characterized in that the green plants collecting and purifying device (4) and the vertical greening rainwater irrigating and purifying device (10) are internally provided with a green plants layer (10-1), a soil layer (10-2), a gravel layer (10-3), a water storage layer (10-5) and a permeable layer (10-6) from top to bottom.
4. A rainwater recycling system based on three-dimensional greening according to claim 3, characterized in that perforated plates (10-4) are arranged under the gravel layer (10-3).
5. A rainwater recycling and circulating system based on three-dimensional greening according to claim 4, characterized in that a plurality of absorbent cotton cores (10-8) are arranged in the roof green plant collecting and purifying device (4) and the vertical greening rainwater irrigation and purifying device (10), and the absorbent cotton cores (10-8) penetrate through the soil layer (10-2), the gravel layer (10-3) and the water storage layer (10-5).
6. A rainwater recycling system based on three-dimensional greening according to claim 5, characterized in that the green plant layer (10-1) of the roof green plant collecting and purifying device (4) is communicated with the upper end of the vertical rainwater vertical pipe (10-9) through the second overflow pipe (5); a plurality of vertical overflow pipes (10-7) are installed in the vertical greening rainwater irrigation and purification device (10), the bottoms of the vertical overflow pipes (10-7) are communicated with permeable layers (10-6), overflow ports of one part of the vertical overflow pipes (10-7) are located on water storage layers (10-5), overflow ports of the other part of the vertical overflow pipes (10-7) are located on green plant layers (10-1), and third filter screens are installed at the tops of the vertical overflow pipes (10-7) of the green plant layers (10-1).
7. A rainwater recycling system based on three-dimensional greening according to claim 4, characterized in that a rainwater stand pipe (9) is separately installed on the outer wall of the building, and is arranged in parallel with the vertical rainwater stand pipes (10-9) to form a double-stand pipe system, and a roof rainwater hopper (8) is installed on the top of the rainwater stand pipe (9).
8. A rainwater recycling system based on three-dimensional greening according to claim 6, characterized in that the overflow opening of the second overflow pipe (5) is provided with a first filter screen (6).
9. A rainwater recycling system based on three-dimensional greening according to claim 4, characterized in that the third overflow pipe (19) is arranged at the upper side of the outdoor rainwater storage tank (22).
10. A rainwater recycling system based on three-dimensional greening according to claim 1, characterized in that the left side of the outdoor rainwater storage pool (22) is provided with a silt collecting tank (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120722802.9U CN216427005U (en) | 2021-04-09 | 2021-04-09 | Rainwater recycling and circulating system based on three-dimensional greening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120722802.9U CN216427005U (en) | 2021-04-09 | 2021-04-09 | Rainwater recycling and circulating system based on three-dimensional greening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216427005U true CN216427005U (en) | 2022-05-03 |
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ID=81316257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120722802.9U Expired - Fee Related CN216427005U (en) | 2021-04-09 | 2021-04-09 | Rainwater recycling and circulating system based on three-dimensional greening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216427005U (en) |
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2021
- 2021-04-09 CN CN202120722802.9U patent/CN216427005U/en not_active Expired - Fee Related
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