CN206157809U - Roof garden rainwater recycle's cistern - Google Patents

Abstract

The utility model discloses a cistern for recycling and utilizing rainwater in a roof garden, which comprises a cistern. The water inlet of the cistern is provided with a jettison. The joints are respectively connected to the waste flow pool and the water storage tank. A floating ball is arranged at one end of the three-way joint connecting the waste flow pool. The float ball is placed in the seepage pipe. The surface of the seepage pipe is covered with through holes. The diameter of the limiting hole is larger than that of the floating ball, and the floating ball can close the limiting hole after it floats up. The utility model can collect and discharge the heavily polluted initial rainwater through the waste flow pool, greatly improving the cleanliness of the reservoir. The waste flow pool is automatically controlled to open and close by floating balls, and the initial rainwater collection is completed. The structure is simple and the production cost is low. Low, the utility model also has the characteristics of simple structure and low cost.

Description

A storage tank for rainwater recycling in roof gardens

technical field

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

Background technique

Roof greening is a form of landscaping that saves urban space. It can almost compensate the urban green space occupied by buildings with an equal building area. It has broad application prospects in urban greening. After the roof rainwater is collected, it will flow into the storage tank for recycling. In the early stage of the rain, the rainwater contains a lot of pollution. After being purified by the plant garden, it still contains a large amount of pollutants. As a result, the storage tank can be subject to certain pollution. degree of pollution.

Contents of the invention

The technical problem to be solved by the utility model is: to provide a storage tank for recycling rainwater in the roof garden, the water in the storage tank is cleaner, more conducive to recycling, and greatly reduces harmful components, so as to solve the problems existing in the prior art .

The technical scheme adopted by the utility model is: a water storage tank for roof garden rainwater recycling, including a water storage tank, the water inlet of the water storage tank is provided with a waste flow pool, and the water inlet of the waste flow pool is provided with a water inlet pipe. The water pipes are respectively connected to the waste flow tank and the water storage tank through the three-way joint. The end of the three-way joint connected to the waste flow tank is provided with a floating ball. The float ball is placed in the seepage pipe. The surface of the seepage pipe is covered with through holes. There is a limit hole, the diameter of the limit hole is larger than that of the float, and the float can close the limit hole after it floats up.

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.

Preferably, the above floating ball is provided with a symmetrical guide rod, the guide rod can be embedded in the guide groove, the guide groove is arranged in the vertical direction of the seepage pipe, and the floating ball can be moved in a directional manner through the guide rod and the guide groove to avoid floating Excessive ball play results in a poor seal.

Preferably, a spherical portion is provided at the bottom of the limiting hole.

Preferably, the above-mentioned through hole has a diameter of 3-5mm.

Beneficial effects of the utility model: Compared with the prior art, the utility model can collect and discharge the heavily polluted initial rainwater through the waste flow pool, greatly improving the cleanliness of the reservoir, and the waste flow pool is automatically controlled by floating balls The utility model also has the characteristics of simple structure and low cost.

Description of drawings

Fig. 1 is the structural representation of rainwater recycling of the present utility model;

Fig. 2 is a schematic diagram of the plant garden soil layer structure in Fig. 1;

Fig. 3 is a structural representation of the 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 in Fig. 1;

Fig. 6 is a schematic top view structural diagram of the plant garden in Fig. 1 .

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 kind of storage tank of roof garden rainwater recycling comprises a storage tank 7, and the water inlet of the storage tank 7 is provided with a waste stream pool 16, and the waste stream pool 16 enters The water inlet is provided with a water inlet pipe 17, and the water inlet pipe 17 is respectively connected to the waste flow pool 16 and the water storage tank 7 through a three-way joint 18, and the end of the three-way joint 18 connected to the waste flow pool 16 is provided with a float 19, and the float 19 is placed in the seepage In the leakage pipe 20, the surface of the leakage pipe 20 is covered with through holes 21, and its upper end is provided with a limiting hole 22 whose diameter is greater than that of the float 19, and the floating ball 19 can close the limiting hole 22 after floating.

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, simplified pipeline layout, lower cost.

Preferably, the above-mentioned floating ball 19 is provided with a symmetrical guide rod 25, the guide rod 25 can be embedded in the guide groove 26, the guide groove 26 is arranged in the vertical direction of the seepage pipe 20, and the float ball can be moved by the guide rod and the guide groove. Carry out directional movement to avoid excessive floating ball activity and poor sealing effect.

Preferably, the bottom of the limiting hole 22 is provided with a spherical portion, which can maintain a better sealing effect, and has a better effect of automatically closing the waste flow pool.

Preferably, the above-mentioned through hole 21 has a diameter of 3-5 mm, which can meet the leakage of sewage flowing into the waste flow pool.

It is used in a roof garden rainwater utilization system, including a plurality of water collection areas 1, the plurality of water collection areas 1 are set on the first roof 2, and the water outlets are connected to the second ladder through a plurality of first rainwater pipes 3 The drainage channel 8 on the roof 4 is connected to the plant garden 5, and the water outlet of the plant garden 5 is connected to the water storage tank 7 through the second downpipe 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 isolation and fault finding layer 15 from top to bottom, which can 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 lightweight artificial planting soil layer 10 has a thickness of 15-3750px, the glass fiber cloth filter layer 11 has a thickness of 40mm, the drainage layer 12 has a thickness of 100-200mm, the membrane waterproof layer 13 has a thickness of 70mm, and the insulation layer 14 has a thickness of 60-100mm, and the thickness of the steam cut-off fault finding layer 15 is 20-30mm.

The above-mentioned lightweight artificial planting soil layer: complete greening, beautification and improve the environment; glass fiber cloth filter layer: use 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.

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 (5)

1. the cistern that a kind of roof garden rainwater recycle is utilized, it is characterised in that：Including cistern（7）, cistern（7）Enter Drainage tank is provided with the mouth of a river（16）, drainage tank（16）Water inlet is provided with water inlet pipe（17）, water inlet pipe（17）Connect by three Head（18）It is connected respectively to drainage tank（16）And cistern（7）, three-way connection（18）Connection drainage tank（16）One end is provided with floating Ball（19）, ball float（19）It is placed in leaky pipe（20）It is interior, leaky pipe（20）Surface has been paved with through hole（21）, its upper end is provided with spacing Hole（22）, spacing hole（22）With diameter greater than ball float（19）Diameter, ball float（19）Spacing hole can be closed after floating（22）.

2. the cistern that a kind of roof garden rainwater recycle according to claim 1 is utilized, it is characterised in that：Cistern （7）It is provided with overflow pipe（23）, overflow pipe（23）With drainage tank（16）Discharge pipe merge be connected to sewerage system, discharge Valve is provided with pipe（24）.

3. the cistern that a kind of roof garden rainwater recycle according to claim 1 is utilized, it is characterised in that：Ball float（19） It is provided with symmetrical guide post（25）, guide post（25）Gathering sill can be embedded into（26）It is interior, gathering sill（26）It is arranged on seepage Pipe（20）Vertical direction, ball float can be oriented by movement by guide post and gathering sill, it is to avoid ball float activity excessive is led Cause sealing effectiveness bad.

4. the cistern that a kind of roof garden rainwater recycle according to claim 1 is utilized, it is characterised in that：Spacing hole （22）Bottom is provided with sphere portion.

5. the cistern that a kind of roof garden rainwater recycle according to claim 1 is utilized, it is characterised in that：Through hole（21） Diameter is 3-5mm.