CN111519745A - A subsidence type green space rainwater collection device for sponge city construction - Google Patents

Abstract

The invention discloses a subsidence-type green space rainwater collection device for sponge city construction, comprising: a water storage tank, a filter tank, a rainwater collection tank and several concave drainage cement blocks with the same structure, the rainwater collection tanks are connected by a guiding filter structure In the filter tank, the filter tank is connected to the reservoir through a pumping structure, and several of the concave drainage cement blocks are connected to the rainwater collection tank through the drainage structure. The filter structure is installed in the filter tank. The water purification structure collects the water collected by several concave drainage cement blocks through the filter tube, and at the same time separates the water in advance through the sand and gravel separation net on it, and passes through the sand and gravel discharge valve. The stone is drained out, and the water is filtered out through the filter structure and the water purification structure, and some substances in the water are filtered out, and the filtered water is sterilized by ultraviolet rays and high temperature.

Description

A subsidence type green space rainwater collection device for sponge city construction

technical field

The invention relates to the technical field of rainwater collection, in particular to a subsidence-type green space rainwater collection device for sponge city construction.

Background technique

The waste of water resources in my country is very serious. Water scarcity is an indisputable fact. How to recycle water resources and reduce the waste of water resources is the top priority. With the increasing contradiction between supply and demand of water resources, more and more countries have recognized the value of rainwater resources, and have taken many corresponding measures to comprehensively utilize rainwater according to local conditions. With the rapid development of my country's social economy, water resources are increasingly The shortage of water, the more serious water pollution, and the increasingly prominent contradiction between water supply and demand have become an important factor restricting my country's industrial and agricultural production and urban development. Rainwater, as one of the most fundamental, direct and economical water resources, has been neglected for a long time. The collection and comprehensive utilization of rainwater can not only reduce the exploitation of groundwater, but also supplement part of the groundwater, reduce the pressure on the entire natural water circulation system, and reduce the amount of water and soil. The loss is of great significance to the construction of ecological agriculture, ecological cities and environmental protection. The rainwater on the roof of the building has better direct utilization value due to its less polluted degree and better water quality. In view of this, in-depth research on the above problems resulted in this case.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems, and design a subsidence type green space rainwater collection device for sponge city construction, which solves the existing problem of rainwater waste.

The technical scheme of the present invention to achieve the above purpose is: a subsidence type green space rainwater collection device for sponge city construction, comprising: a water storage tank, a filter tank, a rainwater collection tank and several concave drainage cement blocks with the same structure, the rainwater collection The tank is connected to the filter tank through the guiding filter structure, the filter tank is connected to the reservoir through the pumping structure, and several of the concave drainage cement blocks are connected to the rainwater collection tank through the drainage structure. A water purification structure is installed in the reservoir;

The drainage structure includes: several guide pipes with the same structure, several rainwater drainage pipes with the same structure, and several filter screens with the same structure;

A plurality of the rainwater drainage pipes are respectively inserted on a plurality of the concave drainage cement blocks, a plurality of the guide pipes are respectively inserted on a plurality of the concave drainage cement blocks, and a plurality of the guide pipes are respectively connected On a plurality of the rainwater drainage pipes, a plurality of the filter screens are respectively movably inserted in the grooves of the plurality of the concave drainage cement blocks.

Preferably, the filtering structure comprises: a pebble layer, an activated carbon layer, a semi-permeable membrane, a small mesh annular filter support frame, a medium mesh annular filter support frame and a large mesh annular filter support frame;

The small mesh annular filter support frame is installed in the filter tank, the medium mesh annular filter support frame is installed in the filter tank, and the medium mesh annular filter support frame is located in the small mesh annular filter support frame. Outside, the large mesh annular filter support frame is installed in the filter tank, and the large mesh annular filter support frame is located outside the medium mesh annular filter support frame, and the cobblestone layer is installed on the small mesh annular filter support frame. In the filter support frame, the activated carbon layer is installed in the medium-sized mesh annular filter support frame, and the semi-permeable membrane is installed in the large mesh-shaped annular filter support frame.

Preferably, the guide filtering structure includes: a filter pipe, a rainwater guide pipe, a rainwater guide driver, a rainwater guide valve, a sand and gravel discharge valve, and a sand and gravel separation net;

The filter pipe is inserted into the rainwater collection tank, the filter pipe is provided with a filter port, the sand and gravel separation net is installed on the filter port, the rainwater guide valve is installed in the rainwater collection tank, and the rainwater guide drive The rainwater guide pipe is installed on the rainwater guiding valve, the rainwater guiding pipe is installed on the driving end of the rainwater guiding driver, and the other end of the rainwater guiding pipe is connected to the filter tank, and the sand discharge valve is installed on the bottom end of the rainwater collection tank , and the sand and gravel discharge valve is connected to the filter pipe.

Preferably, the pumping structure includes: a pumping pump, a pumping valve and a pumping pipe;

The suction valve is installed on the filter tank, the suction pump is installed on the suction valve, the suction pipe is installed on the suction pump, and the suction pipe is inserted into the reservoir.

Preferably, the water purification structure includes: PP cotton, activated carbon tube and reverse osmosis membrane;

The suction pipe is provided with a water purification port, the PP cotton is installed on the water purification port, the activated carbon pipe is installed in the reservoir, the activated carbon pipe is located outside the suction pipe, and the reverse osmosis membrane is installed outside the activated carbon pipe. .

Preferably, an ultrasonic transmitter is provided outside the filter tank and the reservoir.

Preferably, an electric heating pipe is arranged in the storage tank.

Preferably, an ultraviolet germicidal lamp is provided in the reservoir.

Preferably, several of the rainwater drainage pipes are connected end to end through a sealing sleeve.

Preferably, the grooves in several of the concave drainage cement blocks are trapezoidal.

The subsidence-type green space rainwater collection device for sponge city construction made by using the technical solution of the present invention collects the water collected by several concave drainage cement blocks through the filter pipe, and at the same time, the sand and gravel separation net on the water is collected by the filter pipe. The water is separated in advance, and the filtered sand and gravel are drained out through the sand and gravel discharge valve, and the water is filtered out through the filter structure and the water purification structure, and some substances in the water are filtered out. The water is sterilized, and at the same time, the ultrasonic transmitter will make the water filtration more convenient and thorough.

Description of drawings

1 is a schematic cross-sectional structural schematic diagram of a front view of a subsidence-type green space rainwater collection device for sponge city construction according to the present invention.

FIG. 2 is a schematic top-view cross-sectional structural diagram of a subsidence-type green space rainwater collection device for sponge city construction according to the present invention.

Fig. 3 is a side sectional structural schematic diagram of a subsidence type green space rainwater collection device for sponge city construction according to the present invention.

FIG. 4 is a schematic side sectional structural diagram of a filter tank of a subsidence-type green space rainwater collection device for sponge city construction according to the present invention.

Fig. 5 is a schematic cross-sectional structural schematic diagram of a side view of a reservoir of a subsidence-type green space rainwater collection device for sponge city construction according to the present invention.

In the picture: 1- Reservoir; 2- Filter tank; 3- Rainwater collection tank; 4- Concave drainage cement block; 5- Guide pipe; 6- Rainwater drainage pipe; 7- Filter screen; 8- Pebble layer; 9- Activated carbon layer; 10-semi-permeable membrane; 11-small mesh ring filter support frame; 12-medium mesh ring filter support frame; 13-large mesh ring filter support frame; 14-filter tube; 15- Rainwater guiding pipe; 16-rainwater guiding driver; 17-rainwater guiding valve; 18-gravel discharge valve; 19-gravel separation net; 20-filter port; 21-suction pump; 22-water pumping valve; 23-pumping Water pipe; 24-PP cotton; 25-Activated carbon pipe; 26-Reverse osmosis membrane; 27-Water purification port; 28-Ultrasonic transmitter;

Detailed ways

The present invention will be specifically described below in conjunction with the accompanying drawings. As shown in Figures 1-5, a subsidence type green space rainwater collection device for sponge city construction includes: a reservoir 1, a filter tank 2, a rainwater collection box 3 and several structures The same concave drainage cement block 4, the rainwater collection tank 3 is connected to the filter tank 2 through the guiding filter structure, and the filter tank 2 is connected to the reservoir 1 through the pumping structure, and several of the concave drainage cement blocks 4 The drainage structure is connected to the rainwater collection tank 3, the filter tank 2 is equipped with a filter structure, and the water storage tank 1 is equipped with a water purification structure; the drainage structure includes: several guide pipes 5 with the same structure, Several rainwater drainage pipes 6 with the same structure and several filters 7 with the same structure; a number of the rainwater drainage pipes 6 are respectively inserted on a number of the concave drainage cement blocks 4, and a number of the guide pipes 5 are respectively inserted. Inserted on a number of the concave drainage cement blocks 4, and a number of the guide pipes 5 are respectively connected to a number of the rainwater drainage pipes 6, and a number of the filter screens 7 are respectively movably inserted in a number of the At the groove of the concave drainage cement block 4; the filter structure includes: a cobblestone layer 8, an activated carbon layer 9, a semi-permeable membrane 10, a small mesh ring filter support frame 11, a medium mesh ring filter support frame 12 And the large mesh annular filter support frame 13; the small mesh annular filter support frame 11 is installed in the filter tank 2, the medium mesh annular filter support frame 12 is installed in the filter tank 2, and the The medium mesh annular filter support frame 12 is located outside the small mesh annular filter support frame 11, the large mesh annular filter support frame 13 is installed in the filter tank 2, and the large mesh annular filter support frame 13 is installed in the filter tank 2. 13 is located outside the medium mesh annular filter support frame 12, the cobblestone layer 8 is installed in the small mesh annular filter support frame 11, and the activated carbon layer 9 is installed in the medium mesh annular filter support frame 12, The semi-permeable membrane 10 is installed in a large mesh-shaped annular filter support frame 13; the guide filter structure includes: a filter pipe 14, a rainwater guide pipe 15, a rainwater guide driver 16, a rainwater guide valve 17, and a sand and gravel discharger. The filter pipe 14 is inserted into the rainwater collection tank 3, the filter pipe 14 is provided with a filter port 20, and the sand and stone separation screen 19 is installed on the filter port 20, The rainwater guiding valve 17 is installed in the rainwater collection tank 3, the rainwater guiding driver 16 is installed on the rainwater guiding valve 17, the rainwater guiding pipe 15 is installed on the driving end of the rainwater guiding driver 16, and the rainwater guiding The other end of the guide pipe 15 is connected to the filter tank 2, the sand and gravel discharge valve 18 is installed on the bottom end of the rainwater collection tank 3, and the sand and gravel discharge valve 18 is connected to the filter pipe 14; the pumping structure Including: a suction pump 21, a suction valve 22 and a suction pipe 23; the suction valve 22 is installed on the filter tank 2, the suction pump 21 is installed on the suction valve 22, and the suction pipe 23 is installed on the suction pump 21 , and the suction pipe 23 is inserted into the reservoir 1 ; Described water purification structure includes: PP cotton 24, activated carbon tube 25 and reverse osmosis membrane 26; The water purification port 27 is provided on the water pumping pipe 23, and the PP cotton 24 is installed on the water purification port 27, and the The activated carbon tube 25 is installed in the reservoir 1, the activated carbon tube 25 is located on the outside of the suction pipe 23, and the reverse osmosis membrane 26 is installed on the outside of the activated carbon tube 25; The storage tank 1 is provided with an electric heating pipe 29; the storage tank 1 is provided with an ultraviolet germicidal lamp 30; a plurality of the rainwater drainage pipes 6 are connected end to end through a sealing sleeve 31; The grooves in the drainage cement block 4 are trapezoidal.

The feature of this embodiment is that it includes: a water storage tank, a filter tank, a rainwater collection tank and several concave drainage cement blocks with the same structure, the rainwater collection tank is connected to the filter tank through a guiding filter structure, and the filter tank is connected to the storage tank through a pumping structure. On the pool, several concave drainage cement blocks are connected to the rainwater collection tank through the drainage structure, a filter structure is installed in the filter tank, and a water purification structure is installed in the reservoir; the drainage structure includes: several guide pipes with the same structure, several structures The same rainwater drainage pipe and a number of filters with the same structure; a number of rainwater drainage pipes are respectively inserted on a number of concave drainage cement blocks, and a number of guide pipes are respectively inserted on a number of concave drainage cement blocks, and several The guide pipes are respectively connected to a number of rainwater drainage pipes, and a number of filters are movably inserted into the grooves of a number of concave drainage cement blocks; through the filter pipes, the water collected through the concave drainage cement blocks is gathered together. At the same time, the water is separated in advance through the sand and gravel separation net on it, and the filtered sand and gravel are drained out through the sand and gravel discharge valve, and the water is filtered out through the filter structure and the water purification structure, and the water in the water is filtered out. Some substances are filtered out, and the filtered water is sterilized by ultraviolet rays and high temperature. At the same time, the ultrasonic transmitter will make the water filtration more convenient and thorough.

All the electrical components in this case are connected with the power supply to which they are adapted through wires by those skilled in the art, and an appropriate controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principles Among them, the electrical connection between the electrical components is completed in sequence, and the detailed connection means are known in the art. The following mainly introduces the working principle and process, and does not describe the electrical control.

Embodiment: through several concave drainage cement blocks 4, rainwater is dropped into the grooves of the concave drainage cement blocks 4, and rainwater and the rainwater on the road surface are gathered in the trapezoidal grooves through the trapezoidal grooves on the concave drainage cement blocks 4, Through the filter screen 7 in the groove of the concave drainage cement block 4, the large things such as leaves are blocked on the filter screen 7, and the rainwater falls into the guide pipe 5, and the rainwater is drained to the rainwater drainage pipe 6 through the guide pipe 5. The rainwater drainage pipe 6 drains the rainwater into the rainwater collection tank 3, and the rainwater is drained into the filter pipe 14. At the same time, through the sand and gravel separation net 19 in the filter port 20 on the filter pipe 14, the sand and gravel in the rainwater are diverted. The water flows out to the outside of the filter pipe 14 through the sand and gravel distribution network 19, and by opening the rainwater guide valve 17, the rainwater guide driver 16 operates, and the water in the rainwater collection tank 3 is drained into the filter tank 2 through the rainwater guide pipe 15, Through the cobblestone layer 8 in the small mesh annular filter support frame 11, the activated carbon layer 9 in the medium mesh annular filter support frame 11 and the semi-permeable membrane 10 in the large mesh annular filter support frame 13, through the cobblestone layer 8. The activated carbon layer 9 and the semi-permeable membrane 10 have a surface area of 500-1700 m per gram of activated carbon and a true specific gravity of 1.9-2.1. During filtration, due to its porosity, it can adsorb fine substances in various liquids. It is often used in water treatment for decolorization, deodorization, dechlorination, removal of organic substances and heavy metals, removal of synthetic detergents, bacteria, viruses and radioactive pollutants. It is also commonly used. For the tertiary treatment of wastewater, the semi-permeable membrane filtration method uses a semi-permeable membrane with a larger pore size. Electrolytes can pass through the semi-permeable membrane, while colloids, particles and substances with larger molecular weight are retained and filtered out through some substances in the water. At the same time, the pumping valve 22 is opened, and the pumping pump 21 is opened to pass the filtered water through the pumping pipe 23. , by passing the water twice through the PP cotton 24, the activated carbon tube 25 and the reverse osmosis membrane 26, the principle of reverse osmosis technology is that under the action of higher than the osmotic pressure of the solution, these substances and Moisture leaves. The pore size of the reverse osmosis membrane is very small, so it can effectively remove dissolved salts, colloids, microorganisms, organic matter, etc. in water. The system has the advantages of good water quality, low energy consumption, no pollution, simple process, easy operation, etc. At the same time, the electric heating tube 29 is used for high-temperature disinfection, and the ultraviolet germicidal lamp 30 is used to sterilize the water, so as to filter and sterilize the rainwater. For rainwater collection and use, the sand and gravel discharge valve 18 is opened to drain the filtered sand and gravel.

As a preferred solution, further, the filter structure includes: a cobblestone layer 8, an activated carbon layer 9, a semi-permeable membrane 10, a small mesh annular filter support frame 11, a medium mesh annular filter support frame 12 and a large mesh annular filter support frame 12. No. 13 mesh-shaped annular filter support frame;

The small mesh ring filter support frame 11 is installed in the filter tank 2, the medium mesh ring filter support frame 12 is installed in the filter tank 2, and the medium mesh ring filter support frame 12 is located in the small mesh ring filter support frame 12. Outside the mesh ring filter support frame 11, the large mesh ring filter support frame 13 is installed in the filter tank 2, and the large mesh ring filter support frame 13 is located at the medium mesh ring filter support frame 12. Outside, the cobblestone layer 8 is installed in the small mesh annular filter support frame 11, the activated carbon layer 9 is installed in the medium mesh annular filter support frame 12, and the semipermeable membrane 10 is installed in the large mesh. inside the annular filter support frame 13.

As a preferred solution, further, the guide filtering structure includes: a filter pipe 14, a rainwater guide pipe 15, a rainwater guide driver 16, a rainwater guide valve 17, a sand and gravel discharge valve 18, and a sand and gravel separation net 19;

The filter pipe 14 is inserted into the rainwater collection box 3, the filter pipe 14 is provided with a filter port 20, the sand and gravel separation net 19 is installed on the filter port 20, and the rainwater guiding valve 17 is installed in the rainwater collection. In the box 3, the rainwater guiding driver 16 is installed on the rainwater guiding valve 17, the rainwater guiding pipe 15 is installed on the driving end of the rainwater guiding driver 16, and the other end of the rainwater guiding pipe 15 is connected to the filter tank 2 Above, the sand and gravel discharge valve 18 is installed on the bottom end of the rainwater collection tank 3 , and the sand and gravel discharge valve 18 is connected to the filter pipe 14 .

As a preferred solution, further, the pumping structure includes: a pumping pump 21, a pumping valve 22 and a pumping pipe 23;

The suction valve 22 is installed on the filter tank 2, the suction pump 21 is installed on the suction valve 22, the suction pipe 23 is installed on the suction pump 21, and the suction pipe 23 is inserted in the reservoir 1. .

As a preferred solution, further, the water purification structure includes: PP cotton 24, activated carbon tube 25 and reverse osmosis membrane 26;

A water purification port 27 is opened on the water suction pipe 23, the PP cotton 24 is installed on the water purification port 27, the activated carbon pipe 25 is installed in the reservoir 1, and the activated carbon pipe 25 is located outside the water suction pipe 23, The reverse osmosis membrane 26 is installed outside the activated carbon tube 25 .

As a preferred solution, further, an ultrasonic transmitter 28 is provided on the outside of the filter tank 2 and the reservoir 1 .

As a preferred solution, further, an electric heating pipe 29 is provided in the storage tank 1 .

As a preferred solution, further, an ultraviolet germicidal lamp 30 is provided in the reservoir 1 .

As a preferred solution, further, a plurality of the rainwater drainage pipes 6 are connected end to end through the sealing sleeve 31 .

As a preferred solution, further, the inner grooves of several of the concave drainage cement blocks 4 are trapezoidal.

The above technical solutions only represent the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to some parts of them all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a sponge city construction is with subsiding formula greenery patches rainwater collection device, includes: the rainwater drainage device comprises a water storage pool (1), a filtering pool (2), a rainwater collection box (3) and a plurality of concave drainage cement blocks (4) with the same structure, and is characterized in that the rainwater collection box (3) is connected into the filtering pool (2) through a guide filtering structure, the filtering pool (2) is connected onto the water storage pool (1) through a water pumping structure, the concave drainage cement blocks (4) are connected onto the rainwater collection box (3) through drainage structures, the filtering structure is installed in the filtering pool (2), and a water purification structure is installed in the water storage pool (1);

the drainage structure includes: a plurality of guide pipes (5) with the same structure, a plurality of rainwater drainage pipes (6) with the same structure and a plurality of filter screens (7) with the same structure;

the rainwater drainage pipes (6) are respectively inserted in the concave drainage cement blocks (4), the guide pipes (5) are respectively connected to the rainwater drainage pipes (6), and the filter screens (7) are respectively movably inserted in the concave drainage cement blocks (4) at grooves.

2. The settling type greenbelt rainwater collecting device for sponge city construction as claimed in claim 1, wherein said filtering structure comprises: the cobble filter comprises a cobble layer (8), an activated carbon layer (9), a semipermeable membrane (10), a small-size net-shaped annular filtering support frame (11), a medium-size net-shaped annular filtering support frame (12) and a large-size net-shaped annular filtering support frame (13);

install in filtering ponds (2) small size netted annular filtration support frame (11), install in filtering ponds (2) medium size netted annular filtration support frame (12), just medium size netted annular filtration support frame (12) are located the small size netted annular filtration support frame (11) outside, install in filtering ponds (2) large size netted annular filtration support frame (13), just large size netted annular filtration support frame (13) are located the medium size netted annular filtration support frame (12) outside, install in small size netted annular filtration support frame (11) cobble layer (8), active carbon layer (9) are installed in medium size netted annular filtration support frame (12), pellicle (10) are installed in large size netted annular filtration support frame (13).

3. The settling type greenbelt rainwater collecting device for sponge city construction as claimed in claim 1, wherein said guiding and filtering structure comprises: the device comprises a filter pipe (14), a rainwater guide pipe (15), a rainwater guide driving machine (16), a rainwater guide valve (17), a sand unloading valve (18) and a sand separation net (19);

the rainwater collection box is characterized in that the filter pipe (14) is inserted into the rainwater collection box (3), a filter opening (20) is formed in the filter pipe (14), the sand-gravel separation net (19) is installed on the filter opening (20), the rainwater guide valve (17) is installed in the rainwater collection box (3), the rainwater guide driving machine (16) is installed on the rainwater guide valve (17), the rainwater guide pipe (15) is installed on the driving end of the rainwater guide driving machine (16), the other end of the rainwater guide pipe (15) is connected to the filter tank (2), the sand-gravel discharge valve (18) is installed at the bottom end of the rainwater collection box (3), and the sand-gravel discharge valve (18) is connected to the filter pipe (14).

4. The settling type greenbelt rainwater collecting device for sponge city construction as claimed in claim 1, wherein said water pumping structure comprises: a water suction pump (21), a water suction valve (22) and a water suction pipe (23);

the valve (22) of drawing water installs on filtering ponds (2), suction pump (21) are installed on valve (22) of drawing water, suction pipe (23) are installed on suction pump (21), just suction pipe (23) cartridge is in cistern (1).

5. The settling type greenbelt rainwater collecting device for sponge city construction as claimed in claim 4, wherein said water purifying structure comprises: PP cotton (24), an activated carbon tube (25) and a reverse osmosis membrane (26);

the utility model discloses a water purification device, including drinking-water pipe (23), mouth of a river (27) has been seted up on drinking-water pipe (23), PP cotton (24) are installed on mouth of a river (27) is purified, activated carbon pipe (25) are installed in cistern (1), activated carbon pipe (25) are located the drinking-water pipe (23) outside, reverse osmosis membrane (26) are installed in the activated carbon pipe (25) outside.

6. The settlement type greenbelt rainwater collection device for sponge city construction according to claim 1, wherein the filtering tank (2) and the water storage tank (1) are provided with ultrasonic emitters (28) at the outer side.

7. A settling type greenbelt rainwater collection device for sponge city construction according to claim 1, wherein an electric heating pipe (29) is arranged in the reservoir (1).

8. The settlement type greenbelt rainwater collection device for sponge city construction according to claim 1, wherein an ultraviolet germicidal lamp (30) is arranged in the water reservoir (1).

9. The settlement type greenbelt rainwater collection device for sponge city construction according to claim 1, wherein a plurality of rainwater drainage pipes (6) are connected end to end through sealing sleeves (31).

10. The settling type greenbelt rainwater collection device for sponge city construction according to claim 1, wherein the inner grooves of a plurality of the concave drainage cement blocks (4) are trapezoidal.

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