CN206554404U - A kind of roof garden rainwater utilization system - Google Patents

Abstract

The utility model discloses a roof garden rainwater utilization system, which comprises a plurality of water collection areas, the plurality of water collection areas are arranged on the first roof, and the water outlets are connected and collected to the second stepped roof through a plurality of first rainwater pipes The drainage channel is connected to the plant garden, and the water outlet of the plant garden is connected to the water storage tank through the second downpipe. The utility model adopts roof water collection, and the rainwater is purified through the stepped plant garden, which can supply the water supply of the roof plant garden, the rainwater is purified, and the rainwater can also be recycled. The plant garden is set in steps, which reduces the influence of the wind and slows the evaporation of water. More resistant to drought, the utility model also has the characteristics of simple structure and low cost.

Description

A roof garden rainwater utilization system

technical field

The utility model belongs to the technical field of rainwater recovery and utilization equipment, in particular to a roof garden rainwater utilization system.

Background technique

Roof greening is a form of landscaping that saves urban space. It can compensate for the urban green space occupied by buildings almost equal to the construction area. On the roofs of buildings or structures tens of meters away, the wind speed on the roof is high, the water is easily evaporated, and the planting soil layer is thin, and the water retention capacity is weak, which limits the application of roof gardens in arid and semi-arid areas in the north.

Contents of the invention

The technical problem to be solved by the utility model is: to provide a roof garden rainwater utilization system, which can supply the water supply of the roof plant garden, the rainwater can be purified, the rainwater can also be recycled, it is not affected by the wind, the water evaporates slowly, and it is more resistant to drought. To solve the problems existing in the prior art.

The technical solution adopted by the utility model is: a roof garden rainwater utilization system, including multiple water collection areas, the multiple water collection areas are set on the first roof, and the water outlets are connected to the The drainage channel on the second stepped roof is connected to the plant garden, and the water outlet of the plant garden is connected to the water storage tank through the second downpipe.

Preferably, a planting trough is provided where the drainage channel enters the plant garden, and natural rain flower stones and red earthworms are placed in the planting trough.

Preferably, the above-mentioned second stepped roof further includes a square or a pavement, and the square or pavement is set as a sloping surface and slopes toward the drain.

Preferably, the above-mentioned plant garden is sequentially provided with a light artificial planting soil layer, a glass fiber cloth filter layer, a drainage layer, a coiled material waterproof layer, an insulation layer, and a steam cut-off leveling layer from top to bottom.

Preferably, the glass fiber cloth filter layer has a thickness of 40 mm, the drainage layer has a thickness of 100-200 mm, the membrane waterproof layer has a thickness of 70 mm, the insulation layer has a thickness of 60-100 mm, and the steam partition leveling layer has a thickness of 20-30 mm.

Preferably, the bottom surface of the above-mentioned catchment area is set as a slope surface, and the slope surface is inclined towards the water outlet with a slope of 1:100.

Preferably, the water inlet of the above-mentioned reservoir is provided with a waste flow pool, and the water inlet of the waste flow pool is provided with a water inlet pipe. One end is provided with a floating ball, the floating ball is placed in the leakage pipe, the surface of the leakage pipe is covered with through holes, and the upper end is provided with a limiting hole, the diameter of the limiting hole is larger than that of the floating ball, and the floating ball can close the limiting hole after floating.

Preferably, the above-mentioned reservoir is provided with an overflow pipe, and the overflow pipe is combined with the discharge pipe of the waste flow pool to be connected to the urban drainage system, and the discharge pipe is provided with a valve.

Beneficial effects of the utility model: compared with the prior art, the effect is as follows:

(1) The utility model adopts the roof water collection, and the rainwater is purified through the stepped plant garden, which can supply the water supply of the roof plant garden, the rainwater is purified, and the rainwater can also be recycled. Slow evaporation, more drought-resistant, the utility model also has the characteristics of simple structure and low cost;

(2) The planting trough can meet the needs of daily side dishes in life, and the vegetables grown are hot and green. Natural rain flower stones and red earthworms are placed in the planting trough. The rain flower stone can fix the plant root system and filter out the solid dirt after the roof water collection. Yuhua stone can greatly increase the attachment area of nitrifying bacteria, which is more conducive to purifying water quality and avoiding blockage caused by long-term accumulation of solid dirt in the pipeline. Suitable for various plants, even fish and shrimp cultivation. This type of planting tank is suitable for melon and fruit cultivation, and the nutrient medium required is relatively high. Therefore, the supplement of nutrient water alone cannot achieve the best yield. The vermicompost produced by earthworms can supplement nutrients and meet growth needs;

(3) Through the control of the multi-layer light artificial planting soil layer, glass fiber cloth filter layer, ceramsite drainage layer, coiled material waterproof layer, thermal insulation layer, steam cut-off leveling layer, etc., the plant garden can maintain water and soil The ability is stronger and the plants are more hardy.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the plant garden soil layer structure of the present utility model;

Fig. 3 is the structural representation of the storage tank of the present utility model;

Fig. 4 is a structural schematic diagram of the floating joint of the utility model;

Fig. 5 is a schematic diagram of the structure of the planting tank of the present invention;

Fig. 6 is a schematic structural diagram of a plant garden of the present invention in a top view.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is further introduced.

Embodiment: As shown in Fig. 1-Fig. 6, a roof garden rainwater utilization system includes a plurality of catchment areas 1, and the plurality of catchment areas 1 are arranged on the first roof 2, and its water outlet passes through a plurality of first The rain downpipe 3 is connected to the drainage channel 8 collected on the second stepped roof 4, the drainage channel 8 is connected to the plant garden 5, and the water outlet of the plant garden 5 is connected to the reservoir 7 through the second rain down tube 6.

Preferably, the drainage channel 8 enters the plant garden 5 and is provided with a planting groove 9. The planting groove can meet the needs of daily side dishes in life, and the vegetables planted are hot and green. Natural rain flower stones, red earthworms, and rain flower stones are placed in the planting groove 9. It can fix the root system of plants and filter out the solid dirt after water collection on the roof. Yuhua stone can greatly increase the attachment area of nitrifying bacteria, which is more conducive to purifying water quality and avoiding the long-term accumulation of solid dirt in the pipeline to cause blockage. Red earthworms can clean solid dirt , and the vermicompost discharged at the same time can provide a variety of nutrients to plants, which can be fully applied to various plants, even to the cultivation of fish and shrimp. This type of planting tank is suitable for the cultivation of melons and fruits, and the required medium has high nutrition. , so the supplement of nutrient water alone cannot achieve the best yield, and the worm castings produced by red earthworms can be used to supplement the nutrients and meet the growth needs.

Preferably, the above-mentioned second stepped roof 4 also includes a square or a road surface, which is set as a slope and slopes towards the drainage channel 8, which is convenient for rapid drainage of rainwater, and is also conducive to scouring the ground and reducing the cleaning of the bottom surface.

A rain collecting tank 27 is arranged at the entrance of the second rain downpipe 6 of the second stepped roof 4, which is beneficial to timely discharge of filtered water from the plant garden.

Preferably, the above-mentioned plant garden 5 is sequentially provided with a light artificial planting soil layer 10, a glass fiber cloth filter layer 11, a drainage layer 12, a coiled material waterproof layer 13, an insulation layer 14, and a steam cut-off leveling layer 15 from top to bottom. It satisfies the filtration of rainwater by plants, removes pollutants such as sulfide in rainwater, and can realize heat resistance and cold resistance of plants.

Preferably, the above-mentioned glass fiber cloth filter layer 11 has a thickness of 40 mm, the drainage layer 12 has a thickness of 100-200 mm, the membrane waterproof layer 13 has a thickness of 70 mm, the insulation layer 14 has a thickness of 60-100 mm, and the steam-cut leveling layer 15 has a thickness of 20-20 mm. 30mm.

The above-mentioned light artificial planting soil layer: complete greening, beautification and improve the environment; glass fiber cloth filter layer: use materials such as glass fiber cloth or non-woven fabric that can not only permeate water but also filter, and play the role of filtering and water retention at the same time. It can prevent the adhesion phenomenon between the materials of each layer and effectively protect the roof; Drainage layer: The special drainage board for roof greening is used, combined with the existing drainage system of the roof, it can quickly drain the rainwater from the roof. Compared with the traditional ceramsite and pebble drainage, not only the thickness of the drainage layer is thinner, but also the weight is reduced, and the roof load is greatly reduced; the coiled material waterproof layer: adopts environmentally friendly PVC waterproof material with high-tech content, through careful Construction, while realizing roof greening, can completely solve the problem of roof leakage at one time. The material also has the functions of corrosion resistance, mildew resistance, root puncture resistance and anti-aging; thermal insulation layer: improves the use conditions of buildings, reduces the cost of heating and air conditioning, and can also realize the cold resistance of plants; steam partition leveling layer: Prevent water vapor from the building from entering the insulation layer to ensure the performance and service life of the insulation layer.

Preferably, the bottom surface of the above-mentioned catchment area 1 is set as a slope surface, and the slope surface is inclined towards the water outlet with a slope of 1:100, which can meet the requirements of rainwater scouring and flow collection.

Preferably, the water inlet of the above-mentioned reservoir 7 is provided with a jettison 16, and the water inlet of the jettison 16 is provided with an inlet pipe 17, and the inlet pipe 17 is connected to the jettison 16 and the reservoir 7 respectively through a three-way joint 18. , one end of the three-way joint 18 connected to the waste flow pool 16 is provided with a floating ball 19, the floating ball 19 is placed in the seepage pipe 20, the surface of the seepage pipe 20 is covered with through holes 21, and the upper end is provided with a limiting hole 22. The diameter of the hole 22 is larger than the diameter of the floating ball 19. After the floating ball 19 floats up, the limit hole 22 can be closed, and the heavily polluted initial rainwater can be collected and discharged through the waste flow pool, which greatly improves the cleanliness of the reservoir. The ball is automatically controlled to open and close to complete the initial collection of rainwater. The structure is simple and the production cost is low. The floating ball 19 is provided with a symmetrical guide rod 25, which can be embedded in the guide groove 26. In the vertical direction of 20, the floating ball can be moved directionally by the guide rod and the guide groove, so as to avoid the bad sealing effect caused by the excessive movement of the floating ball.

Preferably, the above-mentioned reservoir 7 is provided with an overflow pipe 23, and the overflow pipe 23 is merged with the discharge pipe of the abandonment pool 16 to be connected to the urban drainage system, and the discharge pipe is provided with a valve 24 to discharge the purified rainwater to the city. drainage system.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model, therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (8)

1. A roof garden rainwater utilization system, characterized in that: it includes a plurality of catchment areas (1), and the plurality of catchment areas (1) are set on the first roof (2), and its water outlet passes through a plurality of first The rainwater pipe (3) is connected to the drainage channel (8) of the second stepped roof (4), the drainage channel (8) is connected to the plant garden (5), and the water outlet of the plant garden (5) passes through the second raindrop Tube (6) connects to reservoir (7). 2. A roof garden rainwater utilization system according to claim 1, characterized in that: a planting tank (9) is provided at the place where the drain (8) enters the plant garden (5), and a natural planting tank (9) is placed in the planting tank (9) Yuhua stone and red earthworm. 3. The roof garden rainwater utilization system according to claim 1, characterized in that: the second stepped roof (4) also includes a square or a road surface, and the square or road surface is set as a slope, inclined towards the drainage channel (8). 4. A roof garden rainwater utilization system according to claim 1, characterized in that: the plant garden (5) is sequentially provided with a light artificial planting soil layer (10), a glass fiber cloth filter layer (11) from top to bottom ), drainage layer (12), membrane waterproof layer (13), thermal insulation layer (14) and steam cutoff screed layer (15). 5. A roof garden rainwater utilization system according to claim 4, characterized in that: the thickness of the glass fiber cloth filter layer (11) is 40mm, the thickness of the ceramsite drainage layer (12) is 100~200mm, and the membrane waterproof layer (13) The thickness is 70mm, the thickness of the insulation layer (14) is 60-100mm, and the thickness of the steam partition leveling layer (15) is 20-30mm. 6. A roof garden rainwater utilization system according to claim 1, characterized in that: the bottom surface of the catchment area (1) is set as a slope, and the slope is inclined towards the water outlet, with a slope of 1:100. 7. A roof garden rainwater utilization system according to claim 1, characterized in that: the water inlet of the reservoir (7) is provided with a waste flow pond (16), and the water inlet of the waste flow pond (16) is provided with an inlet The water pipe (17) and the water inlet pipe (17) are respectively connected to the waste flow pool (16) and the water storage tank (7) through the three-way joint (18), and one end of the three-way joint (18) connected to the waste flow pool (16) is provided with The floating ball (19), the floating ball (19) is placed in the seepage pipe (20), the surface of the seepage pipe (20) is covered with through holes (21), and the upper end is provided with a limiting hole (22). (22) The diameter is larger than the diameter of the floating ball (19), and the floating ball (19) can close the limit hole (22) after floating up. 8. A roof garden rainwater utilization system according to claim 7, characterized in that: the reservoir (7) is provided with an overflow pipe (23), and the overflow pipe (23) and the waste flow pool (16) The discharge pipe is combined and connected to the city drainage system, and the discharge pipe is provided with a valve (24).