CN209509056U - A kind of water storage reclamation set of rain water on roof disconnecting - Google Patents

Abstract

The utility model discloses a kind of water storage reclamation sets of rain water on roof disconnecting, it includes rain leader downspout, rain leader downspout lower end connects cobble Hanging Basket, it is collecting-tank below cobble cradle bottom, collecting-tank top surface is slightly above ground, plant growth area is arranged side by side on the outside of collecting-tank, collecting-tank top sidewall is provided with overflow port connection plant growth area, the reservoir of cabinet shape is laid below plant growth area bottom surface, the outlet for bottom of pond portion of catchmenting is connected to by pipeline with the reservoir water inlet at the top of reservoir, a series of micro- profit pipes are inserted vertically into reservoir, micro- profit pipe upper port is embedded in the soil layer in plant growth area.The utility model has the advantage that avoiding high speed rainwater generates destructive wash away to vegetation, initial Split-flow and rainwater reuse are combined, both Initial Runoff has been purified, rainwater is stored again, reduce outlet run-off, it also makes full use of rainwater as plant growth water simultaneously, irrigates reuse with realizing Non-energy-consumption, be also easy to cleaning, maintenance device.

Description

A water storage and reuse device for roof rainwater disconnection

technical field

The utility model belongs to the technical field of rainwater treatment, in particular to a water storage and reuse device for disconnecting roof rainwater.

Background technique

Under the current trend of urban ecological construction, the technology of roof rainwater recycling has been widely valued. In addition, there is a large amount of rain in the south in summer, and the direct drainage of initial rainwater has a high pollutant content, which will cause certain pollution to the water body; and sending all rainwater to the sewage treatment plant for treatment will increase the burden on the sewage treatment plant and the pipeline network , Therefore, the discharge of the initial rainwater after purification can reduce environmental pollution and reduce the load of the sewage treatment plant. Moreover, my country is a country with a shortage of fresh water resources. Facing the increasingly serious shortage of drinking water, the collection and utilization of roof rainwater has become one of the important ways to solve the shortage of water sources recognized by the world.

Rainwater disconnection refers to cutting off the runoff discharge channel, guiding the ecological utilization and resource reuse of rainwater runoff, and making rainwater follow the law of natural water cycle as much as possible. At present, the rainwater disconnection technology is actively exploring new drainage systems with the technical means of underground infiltration, retention, storage, purification treatment and reclaimed water utilization of rainwater. The rainwater drainage system has changed from the traditional separate rainwater discharge to a drainage system that focuses on infiltration and combines storage and drainage; a drainage system that focuses on storage and combines seepage and drainage, and other forms of drainage. In the development and construction of urban communities, a variety of rainwater infiltration facilities should be used in areas suitable for rainwater infiltration, so that as much rainwater as possible can be recharged underground, supplementing and conserving groundwater sources, alleviating land subsidence, and reducing waterlogging disasters.

In view of the increasingly serious shortage of water resources in our country, rainwater collection and utilization have become increasingly important. Rainwater collection and utilization can not only open up new water sources, save urban water resources, but also reduce the surface runoff of rainwater and reduce the occurrence of rain and flood disasters. risk, and achieve significant economic, social and environmental benefits.

The existing roof rainwater disconnection device can solve the erosion of vegetation by rainwater falling from a high position, but it cannot irrigate and reuse the stored rainwater under the condition of no energy consumption; Disposal, but cannot clean the initial discard device.

Utility model content

The technical problem to be solved by the utility model is to provide a water storage and reuse device for roof rainwater disconnection, which can not only purify initial runoff, but also realize energy-free reuse of rainwater, and the device is easy to clean and maintain.

The technical problem to be solved by the utility model is realized through such a technical scheme, which includes a rainwater riser, a pebble hanging basket, a sump, a plant growth area and a water storage pond; the lower end of the rainwater riser drawn from the roof is connected to the pebble hanging basket, The pebble hanging basket is filled with pebbles, the bottom of the pebble hanging basket is a sump, the top of the sump is slightly higher than the ground, and the plant growth area is set side by side on the outside of the sump, and the top side wall of the sump has an overflow port to connect the plant growth area , a box-shaped reservoir is placed below the bottom of the plant growth area, the outlet at the bottom of the reservoir is connected to the water inlet of the reservoir at the top of the reservoir through a pipe, and a series of micro-moisture tubes are vertically inserted into the reservoir. The lower port of the micro-moisture pipe is connected to the reservoir, and the upper port of the micro-moisture pipe is buried in the soil layer of the plant growth area.

The technical effect of the utility model is:

It avoids the destructive erosion of vegetation by the high-speed rainwater falling from a high position, realizes the purification treatment of initial runoff rainwater through the plant growth area, and stores rainwater, reduces the discharge runoff flow, realizes energy-free irrigation and reuse, and is easy to use The initial waste flow facilities and water collection facilities should be cleaned.

Description of drawings

The accompanying drawings of the utility model are as follows:

Fig. 1 is the schematic diagram of the utility model;

In the figure: 1. Rainwater riser; 11. Standpipe water inlet; 12. Standpipe outlet; 2. Pebble hanging basket; 21. Handle; 4. Plant growth area; 41. Pebbles; 42. Plants; 43. Improved soil layer; 44. Fine sand layer; 45. Filling layer; 5. Reservoir; 51. Reservoir water inlet; .

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

As shown in Figure 1, the utility model comprises a rainwater standpipe 1, a pebble hanging basket 2, a sump 3, a plant growth area 4 and a water storage pond 5; Basket 2 is filled with pebbles, below the bottom of pebble hanging basket 2 is sump 3, the top surface of sump 3 is slightly higher than the ground, plant growth area 4 is arranged side by side on the outside of sump 3, the top side wall of sump 3 has overflow Port 31 communicates with plant growth area 4, and a box-shaped reservoir 5 is placed below the bottom surface of plant growth area 4. The outlet 32 at the bottom of sump pool 3 communicates with the reservoir water inlet 51 at the top of reservoir 5 through a pipeline. A series of micro-moisture tubes 52 are vertically inserted into the reservoir 5, the lower ports of the micro-moisture tubes communicate with the reservoir 5, and the upper ports of the micro-moisture tubes are buried in the soil layer of the plant growth area 4.

Above-mentioned plant growth zone 4 is provided with improved soil layer 43, fine sand layer 44 and filler layer 45 from top to bottom, and plant 42 is planted on the improved soil layer 43; Pebble 41.

When it rains, the runoff from the roof flows into the pebble hanging basket 2 through the rainwater standpipe 1, and enters the sump 3 after being filtered by the pebbles. The height of the rainwater reaches the overflow port 31 and then enters the plant growth area 4. After the energy dissipation of the pebbles 41, the interception and filtration of the plants 42, the improved soil layer 43, the fine sand layer 44, and the filler layer 45, it infiltrates and replenishes groundwater. Plant growth zone 4 plays a role in purifying rainwater.

During the rainfall interval, the water level of the sump 3 drops to the bottom of the overflow port 31. Since the sump 3, the reservoir 5 and the micro-moisture pipe 52 form a connector, the rainwater enters the improved soil layer 43 through the micro-moisture pipe 52, which can reduce Manual sprinkling of water saves irrigation water, reduces the workload of greening workers, and does not require additional energy.

Pebble hanging basket 2 side openings are provided with handle 21. Take out the pebble hanging basket 2 with the handle 21 during backwashing, and directly wash the residual large particle pollutants on the pebble hanging basket with water. Then, block the outlet 32 of the sump 3 earlier with a pipe cap, both can directly manually remove the large particle pollutants remaining in the bottom of the sump 3, and also can utilize the overflow port 31 as a drain to directly drain the sump 3 Carry out water injection, flush out the residual large particle pollutant at the bottom of the sump 3, get ready for the next rainfall.

In the plant growth area, the plant 42 adopts bermudagrass, which has strong vitality, rapid reproduction, and grows in patches, is not afraid of trampling, and is resistant to drought and waterlogging; the improved soil layer 43 is mixed with sand and soil, that is, 20% of it is added to the original soil. sand, increase the permeability coefficient of the soil; the fine sand layer 44 can replace the geotextile, and is located between the improved soil layer 43 and the filler layer 45, to prevent the blockage caused by the fine sand layer 44. At the same time, the fine sand layer 44 is also beneficial to plants. 42 Root growth. The filler layer 45 adopts vermiculite, which has the characteristics of loose soil, good air permeability, strong water absorption, and small temperature change.

The utility model has the following advantages: it avoids the destructive erosion of vegetation caused by the high-speed rainwater falling from a high position, and combines the initial waste flow and rainwater reuse, which not only purifies the initial runoff, but also stores rainwater, reducing the flow rate of the external discharge At the same time, it also makes full use of rainwater as water for plant growth, realizes irrigation and reuse without energy consumption, and is also easy to clean and maintain the device.

Claims (3)

1. A water storage and reuse device for roof rainwater disconnection, characterized in that it includes a rainwater standpipe (1), a pebble hanging basket (2), a sump (3), a plant growth area (4) and a water storage tank (5); the lower end of the rainwater standpipe (1) drawn from the roof is connected to the pebble hanging basket (2), and the pebble hanging basket (2) is filled with pebbles, and the bottom of the pebble hanging basket (2) is a sump (3), the sump (3) The top surface is slightly higher than the ground, and the plant growth area (4) is arranged side by side on the outside of the sump (3), and the top side wall of the sump (3) has an overflow port (31) connected to the plant growth area (4), A box-shaped reservoir (5) is placed below the bottom surface of the plant growth area (4), and the outlet (32) at the bottom of the sump (3) passes through the pipeline and the reservoir water inlet at the top of the reservoir (5) (51) is connected, a series of micro-moisture tubes (52) are vertically inserted into the reservoir (5), the lower port of the micro-moisture tube is connected to the reservoir (5), and the upper port of the micro-moisture tube is buried in the plant growth area (4) in the soil layer. 2. The water storage and reuse device for roof rainwater disconnection according to claim 1, characterized in that: the plant growth area (4) is provided with an improved soil layer (43) and a fine sand layer (44) from top to bottom and the filler layer (45), the plants (42) are planted on the improved soil layer (43); pebbles (41) are placed on the surface of the plant growth area (4) below the overflow port (31). 3. The water storage and reuse device for roof rainwater disconnection according to claim 1 or 2, characterized in that: a handle (21) is provided on the edge of the pebble hanging basket (2).