CN217460820U - Greening ditch for sponge city - Google Patents

Abstract

A greening ditch for sponge cities comprises a greening ditch body, a cover plate arranged at the top of the greening ditch body and a water storage tank arranged at the bottom of the greening ditch body; the apron has been seted up a plurality of water service groove, the embedded first filter screen that is equipped with of water service groove, the bottom of storage water tank is provided with the outlet pipe that is used for cyclic utilization, the intake chamber has been seted up on the top of storage water tank, be provided with the water conservancy diversion filter assembly who is used for guiding the rainwater to get into the storage water tank between apron and the storage water tank, water conservancy diversion filter assembly is including spaning at this internal water conservancy diversion backup pad of afforestation ditch and setting two drainage plates in the water conservancy diversion backup pad below, a plurality of limbers have all been seted up to the tip of water conservancy diversion backup pad, the below correspondence of limbers is provided with the second filter screen, the mesh diameter of second filter screen is less than the mesh diameter of first filter screen, two drainage plates are used for guiding in the filterable rainwater entering storage water tank through the second filter screen. The utility model discloses alleviate the jam of afforestation ditch, collect and utilize the water resource.

Description

Greening ditch for sponge city

Technical Field

The utility model relates to a sponge city construction technical field, concretely relates to afforestation ditch that sponge city was used.

Background

The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city. The sponge city recovers the urban ecological water circulation system by manual means based on the theory and technology of comprehensive utilization of rainwater, so as to solve the problem of abnormal drought and abnormal waterlogging caused by shortage of urban water resources and achieve the effects of beautifying the city and improving the living environment of citizens. In sponge cities, rainwater can replenish groundwater, cities, lakes, etc. by permeable subsurface infiltration, greenbelt stagnation , etc.

From the ecological system service, the water ecological infrastructure is constructed in a cross-scale mode and is constructed by combining multiple specific technologies, the water ecological infrastructure is the core of a sponge city, and a greening ditch of the sponge city is a key position for drainage. However, in the existing greening ditch, sundries such as fallen leaves are easily accumulated in the greening ditch in the drainage process, the inside of the greening ditch is full of sundries after a long time, and even the greening ditch is blocked in serious cases, so that the normal use of the greening ditch is greatly influenced. In addition, the existing greening ditch can not collect and utilize water resources, so that the waste of the water resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, provide a afforestation ditch that sponge city was used, alleviate the jam of afforestation ditch, collect and utilize the water resource.

The utility model provides a solve above-mentioned technical problem, the technical scheme who provides is: a greening ditch for sponge cities comprises a greening ditch body, a cover plate arranged at the top of the greening ditch body and a water storage tank arranged at the bottom of the greening ditch body; the apron has been seted up a plurality of water service groove, the embedded first filter screen that is equipped with of water service groove, the bottom of storage water tank is provided with the outlet pipe that is used for cyclic utilization, the intake chamber has been seted up on the top of storage water tank, be provided with the water conservancy diversion filter assembly who is used for guiding the rainwater to get into the storage water tank between apron and the storage water tank, water conservancy diversion filter assembly is including spaning at this internal water conservancy diversion backup pad of afforestation ditch and setting two drainage plates in the water conservancy diversion backup pad below, a plurality of limbers have all been seted up to the tip of water conservancy diversion backup pad, the below correspondence of limbers is provided with the second filter screen, the mesh diameter of second filter screen is less than the mesh diameter of first filter screen, two drainage plates are used for guiding in the filterable rainwater entering storage water tank through the second filter screen.

Preferably, the inner wall of the greening ditch body is symmetrically provided with supporting blocks, and the supporting blocks are used for placing a flow guide supporting plate.

Preferably, the one end that the water conservancy diversion backup pad was kept away from to two drainage plates all is fixed with the mounting panel, and the mounting panel perpendicular to storage water tank fixes the milipore filter between two mounting panels, and the milipore filter is located the top of storage water tank.

Preferably, the outer wall of one side or two sides of the greening ditch body is provided with a greening box which is of a U-shaped structure.

Preferably, a transverse plate is fixed inside the greening box, a plurality of greening planting grooves are formed in the transverse plate, and soil is filled between the transverse plate and the bottom of the greening box.

Preferably, the inner wall of the greening ditch body is provided with side-by-side water seepage grooves, the greening box is correspondingly provided with through grooves, and the water seepage grooves are communicated with the through grooves.

Preferably, a reverse osmosis membrane is fixedly connected to the inner wall of the water seepage tank.

Preferably, the afforestation incasement is embedded to be equipped with the afforestation inner box, and the afforestation inner box corresponds and has seted up the groove of permeating water, and the groove of permeating water communicates and highly is higher than the logical groove on the afforestation case with the logical groove on the afforestation case, and afforestation inner box bottom is connected through reset spring and afforestation bottom of the case portion, the infiltration groove notch on the afforestation ditch body is rotated through the pivot and is provided with the guide plate, and the guide plate is used for guiding rainwater direct flow in afforestation inner box or guiding rainwater to flow in the second filter screen from afforestation inner box, and the guide plate passes through adjusting part with the afforestation inner box to be connected, and adjusting part is used for controlling the guide plate rotatory through the weight change of afforestation inner box.

Preferably, the adjusting assembly comprises a first gear arranged at the end part of the rotating shaft and a second gear in meshed connection with the first gear, and the second gear is in meshed connection with a rack arranged on the outer wall of the greening inner box.

Preferably, a booster pump is arranged on a water outlet pipe at the bottom of the water storage tank, and a water outlet of the booster pump is fixedly connected with a water tap after extending out of the greening ditch body through a water pipe.

Advantageous effects

The utility model discloses afforestation ditch that sponge city was used:

firstly, the utility model discloses carried out the cubic to the rainwater and filtered. Through setting up the first filter screen on the apron, carry out first filtration to the rainwater, can block impurity such as the leaf of aquatic doping, make impurity such as leaf can not continue downward flow along with water, get into the afforestation ditch in, improved the life in afforestation ditch greatly, reduce clearance intensity. Rainwater flows into the second filter screen through the guide of water conservancy diversion backup pad guide and carries out the secondary filter, then can carry out the secondary filter to water under the effect of second filter screen to can filter some impurity such as sand grain and pebble of adulteration in the rainwater. Water after the secondary filter is through the drainage plate effect, and the rainwater flows to the milipore filter on, and the milipore filter carries out meticulous filtration to water, filters the impurity etc. of some small suspensions of aquatic adulteration for it is comparatively clean to enter into the inside water of storage water tank, and is more extensive to the utilization of water resource.

And secondly, the two sides of the greening ditch are provided with greening boxes, so that rainwater is directly utilized, and the service life of the second filter screen and the service life of the ultrafiltration membrane are shortened. And part of rainwater after primary filtration enters the interior of the greening box from the rainwater infiltration tank, so that the soil in the greening box can be kept moist, and green plants in the greening box can grow normally.

And thirdly, a water tap is arranged on a water outlet pipe at the bottom of the water storage tank through a booster pump, so that people can utilize water in the water storage tank, for example, hand washing and the like are carried out, the water tap also can correspond to green plants, the water tap is opened to enable the water in the water storage tank to flow out, and the water in the water storage tank can be utilized to irrigate the green plants.

And fourthly, the guide plate, the adjusting component and the greening inner box are arranged, and the guide plate is controlled to rotate through the weight change caused by drought or waterlogging of the greening inner box. On one hand, when the greening base is in a drought state, the guide plate guides rainwater to directly flow into the greening inner box, the rainwater is directly utilized, the use frequency of the diversion filtering assembly is reduced, and the service life of the diversion filtering assembly is prolonged. On the other hand incasement rainfall is too much when afforesting, when being in the waterlogging state, the rivers that the guide plate can guide the interior case of afforestation on to the second filter screen, and the guide flow advances the storage water tank after filtering, carries out the cyclic utilization of water resource, and more importantly, the root system of avoiding green planting takes place mashed root because the moisture of the incasement is too much in afforestation, protects green plant healthy growth.

Drawings

FIG. 1 is a schematic perspective view of a greening ditch for sponge cities;

FIG. 2 is a schematic plan view of a greening ditch for sponge cities;

FIG. 3 is a schematic view of the structure of the flow guide support plate and its connecting members;

FIG. 4 is a schematic structural view of a cover plate;

FIG. 5 is a schematic view of a greening ditch without cover plate and flow guide support plate;

FIG. 6 is a schematic view of example 2;

the labels in the figure are: 1. greening ditch body, 2, apron, 3, supporting shoe, 4, water conservancy diversion backup pad, 5, storage water tank, 6, greening case, 7, water trough, 8, first filter screen, 9, limbers, 10, installation piece, 11, second filter screen, 12, drainage plate, 13, infiltration groove, 14, reverse osmosis membrane, 15, intake chamber, 16, booster pump, 17, outlet pipe, 18, tap, 19, diaphragm, 20, green groove of planting, 21, mounting panel, 22, milipore filter, 23, reset spring, 24, greening inner box, 25, guide plate, 26, first gear, 27, second gear.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided in connection with the accompanying drawings.

Example 1

As shown in fig. 1-5: the utility model provides a afforestation ditch that sponge city was used, including afforestation ditch body 1, afforestation ditch body 1's top is provided with apron 2, a plurality of water service trough 7 has been seted up on the apron 2, a plurality of water service trough 7 is along the length direction evenly distributed of apron 2, the embedded first filter screen 8 that is equipped with of water service trough 7 for keep off impurity such as leaf of doping in the rainwater, make impurity such as leaf can not be along with the rainwater gets into afforestation ditch body 1 inside, prevent that the leaf from piling up in afforestation ditch body 1, be convenient for clear up. The cover plate 2 is of a trapezoidal structure with a wide upper part and a narrow lower part, so that rainwater can be guided to flow into the greening ditch body 1 conveniently.

The bottom of the greening ditch body 1 is provided with a water storage tank 5, and a water inlet groove 15 is formed in the top end of the water storage tank 5 and used for collecting water resources when filtered rainwater enters the water storage tank 5. The bottom of storage water tank 5 is provided with the outlet pipe 17 that is used for the cyclic utilization water resource, is provided with booster pump 16 on the outlet pipe 17 of storage water tank 5 bottom, and fixedly connected with tap 18 behind booster pump 16's the delivery port leads to pipe and stretches out afforestation ditch body 1 for the personnel are convenient for utilize the water resource in the storage water tank 5, open tap 18 and can be used for washing hands etc. usually. In addition, a water outlet pipe 17 at the bottom of the water storage tank 5 is provided with a booster pump 16, a water outlet of the booster pump 16 extends out of the greening ditch body 1 through a flexible hose and then is fixedly connected with a rotary spray head, and the rotary spray head can be used for watering green plants such as greening lawns around by using water resources.

A diversion filtering component for guiding rainwater to enter the water storage tank 5 is arranged between the cover plate 2 and the water storage tank 5, and comprises a diversion supporting plate 4 stretching across the greening ditch body 1 and two drainage plates 12 arranged below the diversion supporting plate 4. The inner wall of the greening ditch body 1 is symmetrically provided with supporting blocks 3, the supporting blocks 3 are used for placing a diversion supporting plate 4, and meanwhile, the diversion supporting plate 4 can be conveniently taken out for cleaning in the later period. The diversion supporting plate 4 is of a trapezoidal structure with a narrow upper part and a wide lower part, and the upper end face of the diversion supporting plate 4 is attached to the lower end face of the cover plate 2 and used for guiding rainwater to flow a path so as to facilitate filtering.

A plurality of limbers 9 have all been seted up to the tip of water conservancy diversion backup pad 4, and a plurality of limbers 9 evenly distributed is at the tip of water conservancy diversion backup pad 4. The lower part of the limber hole 9 is correspondingly provided with a second filter screen 11, the end part of the diversion support plate 4 is fixed with two mounting blocks 10, the second filter screen 11 is fixedly arranged between the two mounting blocks 10, and the second filter screen 11 spans between the two mounting blocks 10. The maximum distance between the two mounting blocks 10 is greater than the maximum distance between the plurality of water passage holes 9, so that all water flowing down from the water passage holes 9 can be filtered by the second filter 11. The diameter of the mesh of the second filter screen 11 is smaller than that of the first filter screen 8, and is used for blocking impurities such as sand grains and small stones doped in the water and separating the impurities from the water.

The two drainage plates 12 are used for guiding the rainwater filtered by the second filter screen 11 into the water storage tank 5. The upper end of the drainage plate 12 can be fixed at the two ends of the diversion support plate 4 or on the installation block 10 close to the end part of the diversion support plate 4, and the lower end of the drainage plate 12 is positioned in the water inlet groove 15 on the water storage tank 5.

In order to increase the cleanliness of the water in the storage tank 5, the rainwater may be filtered before entering the storage tank 5. The one end that the water conservancy diversion backup pad 4 was kept away from to drainage board 12 all is fixed with mounting panel 21, and mounting panel 21 perpendicular to storage water tank 5, the other end of mounting panel 21 is fixed on storage water tank 5. An ultrafiltration membrane 22 is fixed between the two mounting plates 21, the ultrafiltration membrane 22 covers the water inlet groove 15 on the water storage tank 5, and the ultrafiltration membrane 22 is positioned above the water storage tank 5. The ultrafiltration membrane 22 is a polymeric semipermeable membrane capable of separating polymeric colloids or suspended particles of a certain size from a solution during ultrafiltration. The membrane has a pore diameter of 1-100 nm and belongs to an asymmetric membrane type by taking pressure as a driving force. The pore density is about 10/cm, the operating pressure difference is 100-1000 kPa, the device is suitable for removing colloid-grade particles and macromolecules, and can separate solution with the concentration less than 10%. The water flowing into the water storage tank 5 is separated from some micro suspended impurities mixed in the water by the ultrafiltration membrane 22, and the water is finely filtered. After three times of filtration, the water reuse range in the water storage tank 5 is enlarged, and the utilization rate is improved.

Wherein, water conservancy diversion filter assembly can set up to a whole, and the later stage clearance of being convenient for is maintained.

The outer wall of one side or two sides of the greening ditch body 1 is provided with a greening box 6, and the greening box 6 is of a U-shaped structure. A transverse plate 19 is fixed inside the greening box 6, a plurality of green planting grooves 20 are formed in the transverse plate 19, the green planting grooves 20 are evenly distributed along the length direction of the transverse plate 19, and each green planting groove 20 can be used for planting one green plant, and the green plants are distributed at intervals. And soil is filled between the transverse plate 19 and the bottom of the greening box 6 for planting green plants.

In order to prolong the service life of the diversion filter assembly and increase the direct utilization of rainwater, the inner wall of the greening ditch body 1 is provided with side-by-side water seepage grooves 13, the greening box 6 is correspondingly provided with through grooves, and the water seepage grooves 13 are communicated with the through grooves. Under the cooperation of logical groove and infiltration groove 13, the rainwater through first filtration can directly flow into green planting incasement, directly utilizes, has also reduced the frequency of use of second filter screen 11 and milipore filter 22 simultaneously, reduces use strength to the life of second filter screen 11 and milipore filter 22 has been improved. A reverse osmosis membrane 14 is fixedly connected to the inner wall of the water seepage tank 13. The reverse osmosis membrane 14 is an artificial semipermeable membrane with certain characteristics and made of a simulated biological semipermeable membrane, and is a core component of a reverse osmosis technology. The principle of reverse osmosis is that under the action of a pressure higher than the osmotic pressure of a solution, other substances are separated from water by means of a semipermeable membrane which is impermeable to these substances. The reverse osmosis membrane 14 has a very small membrane pore diameter, and can effectively remove dissolved salts, colloids, microorganisms, organic substances, and the like in water.

Example 2

As shown in fig. 6: the greening ditch for sponge cities is mainly different from the greening ditch 1 in the arrangement between a greening plant box and a greening ditch body 1.

The inner wall of the greening ditch body 1 is provided with water seepage grooves 13 which are arranged side by side, the greening box 6 is correspondingly provided with through grooves, and the water seepage grooves 13 are communicated with the through grooves. The embedded afforestation inner box 24 that is equipped with of afforestation case 6, afforestation inner box 24 correspond and have seted up the groove of permeating water, and the groove of permeating water communicates and highly is higher than the logical groove on afforestation case 6 with the logical groove on afforestation case 6. The bottom of the inner greening box 24 is connected with the bottom of the greening box 6 through a return spring 23. When soil is dry, the greening inner box 24 and the reset spring 23 are balanced, when the soil fully absorbs water, the weight of the soil can be increased, the greening inner box 24 can move downwards, and the water permeable groove in the greening inner box 24 is communicated with the through groove in the greening box 6. When the soil has dried, it returns to its initial state under the action of the return spring 23.

The infiltration groove 13 notch on the afforestation ditch body 1 rotates through the pivot and is provided with guide plate 25, guide plate 25 is used for guiding the rainwater directly to flow into afforestation inner box 24 or guiding the rainwater to flow into second filter screen 11 from afforestation inner box 24, guide plate 25 is connected through adjusting part with afforestation inner box 24, adjusting part is used for controlling the guide plate 25 rotatory through afforestation inner box 24's weight change, the weight change control guide plate that the arid of afforestation inner box or waterlogging arouse promptly is rotatory. In the drought state, the guide plate 25 directly guides the rainwater after the first filtration to the greening inner box 24, so that the working strength of the guide filtering component is reduced, and the guide filtering component is used for moistening soil. The water yield in 24 is more in the afforestation, is in under the waterlogging state, and 24 move down in the afforestation, and at the in-process that moves down, guide plate 25 is rotatory to the direction that is close to second filter screen 11, and the rainwater after the first filtration flows into second filter screen 11 in, carries out the second filtration.

The adjusting component comprises a first gear 26 and a second gear 27 which are arranged at the end part of the rotating shaft, the first gear 26 is fixed in the water seepage tank 13 on the greening ditch body 1 through a bearing seat, the second gear 27 is fixed in the through groove on the greening box 6 through the bearing seat, and the first gear 26 is meshed with the second gear 27. The outer wall of the inner greening box 24 is correspondingly provided with a rack, and the second gear 27 is meshed and connected with the rack. Through afforesting inner box 24 and moving down, the rack drives second gear 27 rotatory to first gear 26 is rotatory, and clockwise rotation takes place for drainage plate 12, leads to the leading-in second filter screen 11 of first filterable rainwater. Meanwhile, in the rain and after rain, the guide plate 25 can guide redundant rainwater in the greening inner box 24 to the second filter screen 11 in a waterlogging state, so that root rot of the green plants due to excessive moisture in the greening inner box 24 is avoided, and healthy growth of the green plants is protected.

Wherein, the diversion support plate 4 is positioned above the water seepage tank 13, and the second filter screen 11 and the drainage plate 12 are positioned below the water seepage tank 13. The inner wall of the greening ditch body 1 is symmetrically provided with supporting blocks 3, the supporting blocks 3 are positioned above the water seepage tank 13, namely the diversion supporting plate 4 is positioned above the water seepage tank 13. And the mounting blocks 10 at two ends of the second filter screen 11 positioned below the diversion support plate 4 are fixed on the inner wall of the greening ditch body 1, and the other mounting block is fixed with the lower end surface of the diversion support plate 4.

The utility model discloses a use method does: the rainwater is guided by the cover plate 2 to flow into the greening ditch body 1, is primarily filtered by the first filter screen 8 and then falls onto the diversion support plate 4; the rainwater after primary filtration flows downwards under the guide of the diversion filter assembly, one part of water enters the interior of the greening box 6 from the water seepage tank 13 to keep the soil in the interior of the greening box 6 moist, and the other part of water flows downwards from the plurality of water through holes 9; the water flowing down from the plurality of water through holes 9 is subjected to secondary filtration through a second filter screen 11; the rainwater after the secondary filtration is guided by the drainage plate 12 and is finely filtered for the third time by the ultrafiltration membrane 22; entering the water storage tank 5 for storage; when water is required to be used inside the storage tank 5, the tap 18 is opened.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims (10)

1. The utility model provides a afforestation ditch that sponge city was used which characterized in that: comprises a greening ditch body (1), a cover plate (2) arranged at the top of the greening ditch body (1) and a water storage tank (5) arranged at the bottom of the greening ditch body (1); seted up a plurality of limbers (7) on apron (2), embedded first filter screen (8) that is equipped with in limbers (7), the bottom of storage water tank (5) is provided with outlet pipe (17) that are used for cyclic utilization, intake chamber (15) have been seted up on the top of storage water tank (5), be provided with the water conservancy diversion filter assembly who is used for guiding the rainwater to get into storage water tank (5) between apron (2) and storage water tank (5), water conservancy diversion filter assembly is including stretching over water conservancy diversion backup pad (4) in afforestation ditch body (1) and setting up two drainage plate (12) in water conservancy diversion backup pad (4) below, a plurality of limbers (9) have all been seted up to the tip of water conservancy diversion backup pad (4), the below correspondence of limbers (9) is provided with second filter screen (11), the mesh diameter of second filter screen (11) is less than the mesh diameter of first filter screen (8), two drainage plate (12) are used for guiding the rainwater filtered through second filter screen (11) to get into storage water tank (5) ) And (4) the following steps.

2. A greening groove for sponge cities as claimed in claim 1, wherein: the inner wall of the greening ditch body (1) is symmetrically provided with supporting blocks (3), and the supporting blocks (3) are used for placing a diversion supporting plate (4).

3. A greening groove for sponge cities as claimed in claim 1, wherein: the one end that water conservancy diversion backup pad (4) were kept away from in two drainage boards (12) all is fixed with mounting panel (21), and mounting panel (21) perpendicular to storage water tank (5), fixed milipore filter (22) between two mounting panels (21), and milipore filter (22) are located the top of storage water tank (5).

4. A greening groove for sponge cities as claimed in claim 1, wherein: and a greening box (6) is arranged on the outer wall of one side or two sides of the greening ditch body (1), and the greening box (6) is of a U-shaped structure.

5. A greening ditch for sponge cities as claimed in claim 4, wherein: a transverse plate (19) is fixed inside the greening box (6), a plurality of green plant grooves (20) are formed in the transverse plate (19), and soil is filled between the transverse plate (19) and the bottom of the greening box (6).

6. A greening ditch for sponge cities as claimed in claim 4, wherein: the inner wall of the greening ditch body (1) is provided with side-by-side water seepage grooves (13), the greening box (6) is correspondingly provided with through grooves, and the water seepage grooves (13) are communicated with the through grooves.

7. A greening ditch for sponge cities as claimed in claim 6, wherein: and a reverse osmosis membrane (14) is fixedly connected to the inner wall of the water seepage tank (13).

8. A greening ditch for sponge cities as claimed in claim 6, wherein: the greening box is characterized in that a greening inner box (24) is embedded into the greening box (6), a water permeable groove is correspondingly formed in the greening inner box (24), the water permeable groove is communicated with a through groove in the greening box (6) and is higher than the through groove in the greening box (6), the bottom of the greening inner box (24) is connected with the bottom of the greening box (6) through a reset spring (23), a water permeable groove (13) notch in the greening ditch body (1) is provided with a guide plate (25) through rotation of a rotating shaft, the guide plate (25) is used for guiding rainwater to directly flow into the greening inner box (24) or guiding rainwater to flow into a second filter screen (11) from the greening inner box (24), the guide plate (25) is connected with the greening inner box (24) through an adjusting component, and the adjusting component is used for controlling the rotation of the guide plate (25) through the weight change of the greening inner box (24).

9. A greening ditch for sponge cities as claimed in claim 8, wherein: the adjusting assembly comprises a first gear (26) arranged at the end part of the rotating shaft and a second gear (27) meshed with the first gear (26), and the second gear (27) is meshed with a rack arranged on the outer wall of the greening inner box (24).

10. A greening groove for sponge cities as claimed in claim 1, wherein: a water outlet pipe (17) at the bottom of the water storage tank (5) is provided with a booster pump (16), and a water outlet of the booster pump (16) extends out of the greening ditch body (1) through a water pipe and is fixedly connected with a water tap (18).

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