CN207512827U - Sponge urban building rainwater treatment device - Google Patents

Abstract

The utility model discloses a rainwater treatment device for a building in a sponge city. The key points of the technical scheme include a rainwater collection device arranged on the top of the building and a water diversion channel arranged around the outer wall of the building. The first-level water storage tank connected by the water channel, and a greening device is arranged on one side of the outer wall of the floor. green plants, a soil layer is placed in the planting tank, and a water-absorbing cotton rope is embedded in the soil layer. One end of the water-absorbing cotton rope is located in the soil layer, and the other end passes through the planting tank and extends into the primary water storage tank. The utility model has the effect of large amount of rainwater collection and the purpose of storing rainwater in the sponge city.

Description

Sponge city building rainwater treatment device

technical field

The utility model relates to the field of municipal construction, in particular to a rainwater treatment device for buildings in a sponge city.

Background technique

At present, the Chinese patent with the notification number CN203741922U discloses a rainwater collection and utilization device for buildings, including a rainwater collection tray, a water delivery pipe, a water storage tank, a first-level drainage pipe, a second-level drainage pipe, a filter, a plurality of The first and second level drainage pipes and a plurality of second and second level drainage pipes, the rainwater collecting pan communicates with one end of the water delivery pipe, the other end of the water delivery pipe communicates with the top of the water storage tank, and the bottom ends of the water storage tank are respectively connected with the first and first level. One end of the first-level drainage pipe is connected with the second-level drainage pipe, one end of each first-level and second-level drainage pipe is respectively connected with the first-level drainage pipe, and the other end of each first-level and second-level drainage pipe is respectively connected with a household One end of each second-level drainage pipe is respectively connected to the second-level drainage pipe, and the other end of each second-level drainage pipe is respectively connected to a water pipe of a household.

With the development of modern cities, the number of buildings in cities and the proportion of land occupation are gradually increasing. The role played by buildings in sponge cities cannot be ignored. Rainwater collection and utilization devices are installed on buildings to collect rainwater and consume it in buildings. , Reducing the amount of rainwater falling on the ground not only reduces the workload of drainage and seepage of roads in sponge cities, but also further enhances the effect of water absorption, storage and utilization of buildings in the overall system of sponge cities. In the prior art, similar to the above-mentioned rainwater collection and utilization device, it collects rainwater from the roof and transports the rainwater to the household through pipelines. The amount of collected rainwater is limited and most of the rainwater is used for domestic water that requires less water quality. On the other hand, the rapid use of rainwater ignores the purpose of storing rainwater in the sponge city.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a rainwater treatment device for buildings in a sponge city, which has the advantage of collecting a large amount of rainwater and achieving the purpose of storing rainwater in a sponge city.

In order to achieve the above purpose, the utility model provides the following technical solutions: a rainwater treatment device for buildings in a sponge city, including a rainwater collection device arranged on the top of the building, a water diversion channel arranged around the outer wall of the building, and each floor of the building is equipped with There is a first-level water storage tank connected to the water diversion canal, and a greening device is provided on one side of the outer wall of the floor. And the green plants planted in the planting groove, the soil layer is placed in the planting groove, the water-absorbing cotton rope is embedded in the soil layer, one end of the water-absorbing cotton rope is located in the soil layer, and the other end extends through the planting groove into a level storage tank.

By adopting the above technical scheme, a rainwater collection device is installed on the top of the building, a water diversion channel is arranged around the outer wall of the floor, each floor is equipped with a first-level water storage tank and a first-level switch valve, and a greening device is installed on the outer wall of the floor. The rainwater collection device installed on the roof and the diversion channel installed on the outer wall of the floor jointly collect rainwater, which increases the amount of rainwater collected. The rainwater collected by the diversion channel is stored in the first-level water storage tank and used to water the greening devices, which is beneficial to the improvement of the urban environment. The greening device includes an aquifer arranged at the bottom, and a planting groove arranged above the aquifer and provided with a soil layer for planting green plants, and a water-absorbing cotton rope extending to the primary water storage tank is embedded in the soil layer. When the soil in the planting tank is short of water, the rainwater stored in the water storage tank is sent into the soil layer to moisten the soil through the absorbent cotton rope for the growth of green plants.

The utility model is further configured as follows: the rainwater collection device is provided with a water delivery pipeline connected to the first-level water storage tank on each floor, and a first-level on-off valve corresponding to each floor is arranged in the water delivery pipeline.

By adopting the above technical scheme, the rainwater collecting device communicates with the first-level water storage tank through the water delivery pipe provided with the on-off valve, so as to facilitate replenishment and transfer of rainwater in the first-level water storage tank.

The utility model is further configured as follows: the first-stage water storage tank is located on one side of the corridor and is provided with a water outlet pipe and a water outlet valve.

By adopting the above-mentioned technical scheme, a water outlet pipe and a water outlet valve are installed on the side of the corridor in the water storage tank, and the collected rainwater is used preferentially when public water is used on each floor, saving water resources.

The utility model is further configured as: a filter net is provided at the water outlet of the water outlet pipe.

By adopting the above technical solution, a filter screen is provided at the water outlet of the water outlet pipe to filter the soil that may fall into the water storage tank in the planting tank and the sundries that may be mixed in when the rainwater is collected.

The utility model is further configured as follows: the side of the water diversion channel away from the corridor is arranged obliquely upward in the direction away from the corridor.

By adopting the above technical scheme, the side wall of the diversion channel inclined towards the side away from the corridor is conducive to diverting the rainwater falling on the side wall of the diversion channel to the bottom of the diversion channel, and also increases the area where the rainwater falls into the upper opening of the diversion channel .

The utility model is further configured as follows: the water diversion channel is arranged inclined towards the side of the primary water storage tank.

By adopting the above technical solution, the diversion channel inclined towards the side of the first-level water storage tank plays a role of rapid confluence, converging the rainwater falling into the diversion channel into the first-level water storage tank.

The utility model is further set as: the opening of the water diversion channel is provided with a plastic mesh

By adopting the above technical solution, the plastic mesh arranged at the opening of the aqueduct is used to prevent possible sundries from falling into the aqueduct and causing blockage of the aqueduct.

The utility model is further configured as follows: the rainwater collection device includes a rain pan and a secondary water storage tank, the secondary water storage tank is provided with a secondary switch valve, and the secondary water storage tank is connected to the primary storage tank through a water delivery pipeline. water tank.

By adopting the above technical scheme, the secondary water storage tank is connected to the primary water storage tank through the water delivery pipe, and the rainwater collected in the rain pan on the roof of the building is transported to each floor through the secondary switch valve and the opening and closing of the switch valve. The situation is reasonably allocated and utilized.

The utility model is further configured as follows: both the primary water storage tank and the secondary water storage tank are provided with water level gauges.

By adopting the above technical scheme, the water levels in the primary water storage tank and the secondary water storage tank are observed through the water level gauge, and the water volumes in the secondary water storage tank and the primary water storage tanks of each floor are adjusted as required.

In summary, the utility model has the following advantages:

1. The amount of rainwater collected is large;

2. The reuse of rainwater achieves the purpose and function of storing rainwater in the sponge city;

3. It is convenient to distribute and use the collected rainwater.

Description of drawings

Fig. 1 is the building structural representation of present embodiment;

Fig. 2 is the schematic diagram inside the floor of the present embodiment;

Fig. 3 is an enlarged view of place A in Fig. 1;

Fig. 4 is an enlarged view at B in Fig. 2 .

Explanation of reference signs: 1. Rainwater collection device; 11. Rain tray; 12. Secondary water storage tank; 2. Water diversion channel; 21. Plastic mesh; 22. Primary water storage tank; 221. Water outlet pipe; 222. Water outlet Valve; 223, filter screen; 3, water delivery pipe; 31, primary switch valve; 32, secondary switch valve; 4, greening device; 41, aquifer; 42, planting tank; 43, soil layer; 44, water absorption Cotton rope; 45, water inlet.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment, a kind of sponge city building rainwater treatment device, as shown in Figure 1, 2, comprises the rainwater collecting device 1 that is arranged on the roof of the building, surrounds the diversion channel 2 that is arranged on the outer wall of the building, is located in the side of the building and communicates with The primary water storage tank 22 of the aqueduct 2 and the water delivery pipe 3 connected to the rainwater collection device 1 and the primary water storage tank 22 . The greening device 4 connected to the primary water storage tank 22 is also provided on the outer wall of the building. Each floor of the building is provided with a water diversion channel 2 , a greening device 4 and a primary water storage tank 22 . The rainwater is collected by the rainwater collection device 1 on the top of the building and the water diversion channel 2 on the outer wall and then flowed to the first-level water storage tank 22. The rainwater stored in the first-level water storage tank 22 is used for the water supply and irrigation of the greening device 4, or in the Use when public water is required.

As shown in Figures 1 and 3, the water diversion channel 2 is fixedly arranged on the three adjacent outer walls of the building, and the water diversion channel 2 is away from the corridor and is inclined upward toward the direction away from the corridor to expand the collection range of rainwater. The water diversion channels 2 located on the walls adjacent to both sides of the wall where the greening device 4 is located are inclined to one side of the greening device 4 . The opening of the aqueduct 2 is sheathed with a plastic omentum 21 for preventing debris from falling into the aqueduct 2 and causing blockage. The greening device 4 is provided with a square water inlet 45 on the side walls of both sides for the rainwater in the water diversion channel 2 to flow in and enter the primary water storage tank 22 for storage.

As shown in Figures 2 and 4, the greening device 4 includes an aquifer 41, a planting tank 42 located on the top of the aquifer 41, a soil layer 43 is placed in the planting tank 42, and a number of penetrating planting tanks are buried in the soil layer 43 at intervals. Groove and water storage layer 41 stretch into the absorbent cotton rope 44 in the water storage tank. A water outlet pipe 221 and a water outlet valve 222 are provided on one side of the primary water storage tank 22 located in the corridor, and a filter screen 223 is provided at the mouth of the water outlet pipe 221 .

As shown in FIGS. 1 and 3 , the rainwater collection device 1 includes a secondary water storage tank 12 in which the rain tray 11 is connected to the rain tray 11 through a pipeline. The water delivery pipeline 3 is arranged on the side of the wall where the first-level water storage tank 22 is located in the building, and the water delivery pipeline 3 communicates with the second-level water storage tank 12 and the first-level water storage tank 22. A primary on-off valve 31 is provided at the nozzle, and a secondary on-off valve 32 is provided at the nozzle communicating with the secondary water storage tank 12 . Both the primary water storage tank 22 and the secondary water storage tank 12 are provided with water level gauges.

The workflow is as follows:

In rainy days, the water diversion channel 2 on the wall collects rainwater and concatenates and stores it in the primary water storage tank 22 , and the rain receiving plate 11 on the roof collects rainwater and stores it in the secondary water storage tank 12 . The primary water storage tank 22 supplies water to the greening device 4 through the water-absorbing cotton rope 44, and the green plants in the greening device 4 grow to purify the air. Observe the water levels in the first-level water storage tank 22 and the second-level water storage tank 12 through the water level gauge. When the water level of the first-level water storage tank 22 on a certain floor is not enough, open the second-level on-off valve 32 and then open the first-level on-off valve 31 on the corresponding floor. The water storage tank 22 replenishes the amount of water. When public water needs to be used, the water outlet valve 222 is opened to take the rainwater in the primary water storage tank 22 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present utility model shall be included in the present utility model. within the scope of the new protection.

Claims (9)

1. A rainwater treatment device for a building in a sponge city, comprising a rainwater collection device (1) located on the top of the building, and a water diversion channel (2) surrounding the outer wall of the building, characterized in that: each floor of the building is equipped with The primary water storage tank (22) connected to the diversion channel (2) is provided with a greening device (4) on the outer wall of one side of the floor, and the greening device (4) includes a water storage tank (22) connected to the primary water storage tank (22). The water storage layer (41), the planting tank (42) arranged above the water storage layer (41), and the green plants planted in the planting tank (42), the soil layer (43) is placed in the planting tank (42), The soil layer (43) is embedded with a water-absorbing cotton rope (44), one end of the water-absorbing cotton rope (44) is located in the soil layer (43), and the other end passes through the planting groove (42) and extends into the primary water storage tank ( 22) Inside. 2. The rainwater treatment device for sponge city buildings according to claim 1, characterized in that: the rainwater collection device (1) is provided with a water delivery pipe (3) connected to the first-level water storage tank (22) of each floor, and the water delivery The pipeline (3) is provided with a primary switch valve (31) corresponding to each floor. 3. The sponge city building rainwater treatment device according to claim 1, characterized in that: The primary water storage tank (22) is located on one side of the corridor and is provided with a water outlet pipe (221) and a water outlet valve (222). 4. The rainwater treatment device for buildings in a sponge city according to claim 3, characterized in that: a filter (223) is provided at the water outlet of the water outlet pipe (221). 5. The rainwater treatment device for buildings in a sponge city according to claim 1, characterized in that: the water diversion channel (2) is arranged upwardly in a direction away from the corridor and facing away from the corridor. 6. The rainwater treatment device for buildings in a sponge city according to claim 1, characterized in that: the water diversion channel (2) is inclined toward the side of the primary water storage tank (22). 7. The rainwater treatment device for buildings in a sponge city according to claim 3, characterized in that: a plastic mesh (21) is provided at the opening of the water diversion channel (2). 8. The rainwater treatment device for buildings in a sponge city according to claim 1, characterized in that: the rainwater collection device (1) includes a rain tray (11) and a secondary water storage tank (12), and the secondary water storage tank (12) is provided with a secondary switch valve (32), and the secondary water storage tank (12) is connected to the primary water storage tank (22) through the water delivery pipe (3). 9. The rainwater treatment device for buildings in a sponge city according to claim 3, characterized in that: both the primary water storage tank (22) and the secondary water storage tank (12) are provided with water level gauges.