CN214738652U - System for recycling rainwater in sponge city - Google Patents

Abstract

The utility model provides a sponge urban rainwater recycling system, which comprises a drain pipe, a first filter, a second filter, a purifier, a water storage tank and a spray head device, the drain pipe, the first filter, the second filter, the purifier, the water storage tank and the spray head device are communicated in sequence, the filter barrel and the impeller are arranged in the first filter and connected with a motor arranged outside, the second filter comprises at least one filter layer which is obliquely arranged relative to a horizontal plane, an upper spray pipe and a lower spray pipe are arranged on a spray pipe of the spray head device and can be respectively exposed or hidden, the utility model can solve the problem of short-term water accumulation caused by the rain water on the roof falling to the hardened road surface during rainfall, and satisfy the needs that urban green space moisturizing, convenient operation, the installation of being convenient for is dismantled, extension system life.

Description

System for recycling rainwater in sponge city

Technical Field

The utility model relates to a sponge city construction field especially relates to a sponge city rainwater recycle's system.

Background

In recent years, a sponge city is gradually developed as a new urban rainfall flood management concept, the sponge city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, water absorption, water storage, water seepage, purification and recycling are realized during raining, the standard of an urban drainage system is effectively improved, the pressure of urban waterlogging is relieved, rainwater is collected for cyclic utilization, the urban waterlogging drainage pressure can be relieved, and water resources can be saved.

Buildings in cities are all provided with rainwater pipelines connected with the ground from the roof, rainwater flows through the ground and is collected into a rainwater well, and is directly communicated with underground water channels through the pipelines, then collected for treatment or discharge, the common urban ground is hardened ground such as cement and the like, water cannot seep, when the rainwater is large, the water accumulation on the ground is more, which is not beneficial to the passerby to pass, the green space in the city can not absorb a large amount of rainfall in a short time, the condition of more accumulated water can also be caused, a large amount of rainfall can not be discharged, and only can be naturally evaporated, in rainy days, the green land in the city is dry and lacks water, and needs to be connected with a municipal pipe network to irrigate the green land, thus, rainwater cannot be reasonably utilized, a large amount of water resources are wasted, and in order to save water or cost, moreover, the problem of untimely irrigation can occur, and the long-term exposure of the spray head is easy to block, which can cause adverse effect on urban greening.

The sedimentation tank or the adsorption tank and the like adopted in the existing rainwater treatment are filtered, and the adsorption materials are tiled, so that the area is large, the replacement period is long, the operation is complex, the effect of rainwater treatment cannot be reduced after long-time use, and the service life of rainwater treatment and recycling equipment is influenced.

Therefore, the sponge urban rainwater recycling system is urgently needed to be designed, rainwater collection, purification and recycling can be effectively carried out, the problem of short-term accumulated water caused by the fact that rainwater on a building roof falls to a hardened road surface can be solved when rainfall occurs, the requirement for water replenishing and moisture preserving of urban greenbelts can be met in a non-rainfall period, the waste of rainwater resources is reduced, meanwhile, the operation of each device is convenient, the installation and the disassembly are convenient, and the service life is prolonged.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a sponge city rainwater recycle's system to solve above-mentioned technical problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a system for recycling sponge urban rainwater comprises a drain pipe, a first filter, a second filter, a purifier, a water storage tank and a sprayer device, wherein the drain pipe, the first filter, the second filter, the purifier, the water storage tank and the sprayer device are communicated in sequence;

the drain pipe extends downwards from the roof of the building, and an outlet of the drain pipe extends into the first filter;

the first filter comprises a first cover plate, an outer barrel, a filter barrel, a main shaft and an impeller, the first cover plate is buckled on the upper part of the outer barrel, the main shaft penetrates through the outer barrel, one end of the main shaft is rotatably connected with the first cover plate, the other end of the main shaft is rotatably connected with the outer barrel, and the impeller and the filter barrel are fixedly arranged on the main shaft in a penetrating manner;

the second filter comprises a second cover plate, a barrel body and filter plates, the second cover plate is buckled at the upper part of the barrel body, the filter plates are obliquely arranged in the barrel body at intervals, a filter layer is formed between every two adjacent filter plates, and adsorbing substances are filled in the filter layer;

the spray head device comprises a first sleeve, a second sleeve, a third sleeve and a spray pipe, wherein the first sleeve is sleeved on the upper portion of the spray pipe and can slide up and down along the upper portion of the spray pipe, the second sleeve is sleeved on the middle portion of the spray pipe and is fixedly connected with the spray pipe, the third sleeve is sleeved on the lower portion of the spray pipe, and the lower portion of the spray pipe can extend or retract relative to the third sleeve.

This setting can be collected the rainwater on building roof directly leading-in first filter and filter, avoid the short-term ponding in ground, because set up the filter vat in the first filter, produce centrifugal force and filter away the rainwater, make leaf weeds etc. filter out, and the impeller setting produces vortex and guide effect, the subaerial ponding of guide gets into first filter through the hole that leaks, effectual reduction ground ponding, the filter bed slope sets up and can be favorable to inside filler to change, go up the hidden setting of spray tube and lower spray tube and can avoid the shower nozzle to block up, consequently, can extension system life.

Further, a motor is arranged at the bottom of the outer side of the first filter, one end of the main shaft connected with the outer barrel penetrates through the outer barrel and is fixedly connected with the motor, and the motor provides power for rotation of the first filter and drives the main shaft to drive the impeller and the filter barrel to rotate.

Further, a connecting hole is formed in the upper portion of the outer barrel and is arranged between the first cover plate and the filter barrel, an outlet of the drain pipe penetrates through the connecting hole and extends towards the spindle, a water outlet hole is formed in the lower portion of the outer barrel, and the water outlet hole is communicated with the upper portion of the second filter. This setting can make the rainwater when filtering, and the filter vat atress is more even to make rivers be convenient for flow under the difference in height effect.

Furthermore, a water inlet is formed in the second cover plate and communicated with the first filter, a water outlet is formed in the lower portion of the barrel body and communicated with the upper portion of the purifier, and due to the arrangement, rainwater enters and flows out to generate height difference, so that the rainwater is fully filtered.

Preferably, a plurality of flanges are obliquely arranged in the barrel body relative to the horizontal plane, the included angle between the upper surface of each flange and the horizontal plane is a, the included angle a is larger than 0 degree and smaller than 45 degrees, the flanges are arranged in parallel at intervals from top to bottom, and each flange is provided with a filter plate in an erected mode. This set up simple structure, the dismouting of being convenient for to the filtering layer that the slope set up is convenient for adsorbed material and is changed, is convenient for clear away adsorbed impurity, guarantees the filter effect of rainwater.

Preferably, the barrel body is provided with a feeding port and a discharge port, the feeding port is arranged at the upward inclined end of the filter layer and is used for filling the adsorbent, and the discharge port is arranged at the downward inclined end of the filter layer and is used for discharging the adsorbent. The arrangement is convenient for the replacement of adsorbed substances and the cleaning of impurities in the filter layer.

Further, the shower nozzle device includes first connecting pipe, second connecting pipe, bellows, the second connecting pipe with third sleeve bottom fixed connection, the bellows sets up at the third cover intraduct, bellows upper portion with spray tube lower part fixed connection, the bellows lower part with second connecting pipe fixed connection, first connecting pipe with second sleeve fixed connection, the axis of first connecting pipe with the sheathed tube axis mutually perpendicular of second, first connecting pipe the second connecting pipe with the water storage tank passes through the water pump and connects. This setting can provide rivers for upper and lower spray tube respectively through first connecting pipe and second connecting pipe, and the spray tube sprays respectively about guaranteeing to the bellows guarantees that the spray tube lower part can extend or reply.

Further, spray tube upper portion is provided with the spray tube, it is provided with a plurality of shower nozzles to go up spray tube lateral wall equipartition, first sleeve pipe establishes go up the spray tube outside, the spray tube lower part is provided with down the spray tube, spray tube lateral wall equipartition is provided with a plurality of shower nozzles down, the third sleeve pipe establishes under the spray tube outside, go up the spray tube with each other do not communicate with each other between the lower spray tube. Different spray pipes can be opened according to different spraying requirements by the arrangement, and a better spraying effect is realized.

Furthermore, the first sleeve comprises an external sleeve and an internal ejector rod, an annular gap is formed between the sleeve and the internal ejector rod, the upper spray pipe is sleeved outside the ejector rod and arranged between the annular gaps, a baffle is fixedly arranged at the lower end of the ejector rod and can be abutted against the top wall of the upper spray pipe, and a spring is arranged between the upper spray pipe and the ejector rod. The arrangement can facilitate the water flow to eject the first sleeve out, and can reset under the action of the spring to hide the upper spray pipe.

Further, sponge city rainwater recycle's system still includes solar panel and controller, solar panel connects the controller, the controller is connected the motor the water pump with the clarifier turns into the electric energy with solar energy, controls each part and starts and close. The solar energy is utilized to supply power, and reasonable utilization of resources can be realized.

A sponge city rainwater recycle's system, compare with prior art and have following advantage:

(1) the system for recycling the rainwater in the sponge city can directly guide the rainwater on the roof of a building into the rainwater recycling system, help the surface water to be discharged into the rainwater recycling system, reduce the surface water, collect and store the rainwater in the rainfall process, perform operations such as sprinkling irrigation and humidification on greenbelt in the non-rainfall weather, reduce the waste of rainwater resources, perform multiple filtration and purification, and have good rainwater treatment effect;

(2) the system for recycling the rainwater in the sponge city has a simple structure, is convenient to install and disassemble, is convenient for maintaining each device, ensures that the filter layer of the filter is inclined, is convenient for the absorption substances to be put into and discharged, is convenient for the absorption substances to be replaced, effectively ensures the removal of impurities in the rainwater, and also prolongs the service life of each device;

(3) the utility model discloses a system for sponge city rainwater recycle, shower nozzle device set up upper and lower shower nozzle, make it set up to the same shower nozzle or different shower nozzles as required, satisfy the afforestation needs, and can make upper and lower shower nozzle hide or stretch out, can play the guard action to the shower nozzle, prevent debris jam shower nozzle;

(4) a sponge city rainwater recycle's system, utilize the solar panel power supply, can make resource rational utilization.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a system for recycling rainwater in a sponge city according to the present invention;

fig. 2 is a schematic structural diagram of a first filter according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the point B in FIG. 2 according to the present invention;

FIG. 4 is a diagram of a second filter according to an embodiment of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 4 according to the present invention;

fig. 6 is a structural view illustrating an opening of an upper nozzle of a head unit according to an embodiment of the present invention;

fig. 7 is a structural view illustrating the opening of a lower nozzle of a head unit according to an embodiment of the present invention;

fig. 8 is a structural view illustrating the closing of the upper and lower nozzles of the head unit according to the embodiment of the present invention.

Description of reference numerals:

1. a drain pipe; 2. a first filter; 21. a first cover plate; 211. a first shaft seat; 212. a water leakage hole; 213. a boss; 22. an outer tub; 221. a second shaft base; 222. a water outlet hole; 223. connecting holes; 23. a filter vat; 24. an impeller; 25. a first bearing; 26. a second bearing; 27. a main shaft; 3. a second filter; 31. a second cover plate; 311. a water inlet; 32. a barrel body; 33. a filter chamber; 331. a first input port; 332. a second input port; 333. a first discharge port; 334. a second discharge port; 335. a first filter layer; 336. a second filter layer; 338. A flange; 34. a water collection cavity; 341. a water outlet; 35. filtering the plate; 4. a purifier; 5. a water storage tank; 6. a second water pump; 7. a first water pump; 8. a nozzle device; 81. a first sleeve; 811. a top rod; 812. pipe sleeve; 813. a baffle plate; 82. a nozzle; 820. a pipe body; 821. a lower nozzle; 822. a lower nozzle; 823. an upper spray head; 824. an upper spray pipe; 825. a first hole; 826. a second hole; 827. a lower spray cavity; 829. an upper spray cavity; 83. a first connecting pipe; 84. A second sleeve; 85. a second connecting pipe; 86. a bellows; 87. a third sleeve; 88. a first spring; 89. a second spring; 9. a first control valve; 10. a second control valve; 11. a solar panel; 12. a controller; 13. an electric motor.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The descriptions in the present application referring to "first", "second", "upper", "lower", "inner", "outer", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, the definition of "first" or "second" feature may explicitly or implicitly include at least one such feature, with the "up" or "down" orientation referring to the position on the drawing. In addition, the technical solutions in the embodiments can be combined with each other, but it is necessary to be able to realize that the technical solutions in the embodiments can be combined with each other on the basis of the realization of a person having ordinary skill in the art, and all that is required by the present invention is within the protection scope of the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The specific implementation scheme is as shown in figure 1, a system for recycling sponge urban rainwater comprises a drain pipe 1, a first filter 2, a second filter 3, a purifier 4, a water storage tank 5, a sprayer device 8, a solar panel 11 and a controller 12, wherein the drain pipe 1 extends downwards from the roof of a building, an outlet of the drain pipe 1 is communicated with the upper part of the first filter 2, rainwater on the roof is directly introduced into the first filter 2 to be collected and filtered, short-term water accumulation on the ground is avoided, a motor 13 is arranged at the outer bottom of the first filter and is driven by the motor 13 to work, the lower part of the first filter 2 is communicated with the upper part of the second filter 3, the primarily filtered rainwater flows into the second filter 3 for further filtration due to height difference, the second filter 3 comprises at least one filter layer which is arranged obliquely relative to the horizontal plane and can be convenient for replacing substances in the filter layer, the lower part of the second filter 3 is communicated with the upper part of the purifier 4, the filtered rainwater enters the purifier 4 for purification due to height difference, the purifier 4 is communicated with the upper part of the water storage tank 5, the lower part of the water storage tank 5 is communicated with the spray head device 8, a first water pump 7 is arranged between the purifier 4 and the water storage tank 5, a second water pump 6 is arranged between the water storage tank 5 and the spray head device 8, the first water pump 7 is a variable pump, the second water pump 6 is a double pump, the spray head device 8 comprises a spray pipe 82, an upper spray pipe 824 and a lower spray pipe 821 are arranged on the spray pipe 82, the upper spray pipe 824 and the lower spray pipe 821 are respectively connected with the second water pump 6 through pipelines and can be respectively exposed or hidden according to different water flow pressures, the arrangement can increase the spray irrigation range or spray water atomization according to different types of the spray pipes to play different humidification roles, a first control valve 9 is arranged between the upper spray pipe and the second water pump 6, a second control valve 10 is arranged between the lower spray pipe and the second water pump 6, the first control valve 9 and the second control valve 10 are one-way electromagnetic valves, water flows are enabled to flow in a one-way mode, the solar panel 11 is connected with the controller 12, the controller 12 is connected with the first water pump 7, the second water pump 6, the motor 13, the purifier 4, the first control valve 9 and the second control valve 10, solar energy is converted into electric energy, and all parts are controlled to be started and closed.

Preferably, the first filter 2, the second filter 3, the purifier 4 and the water storage tank 5 are arranged below the ground to reduce the floor space, the spray head device 8, the solar panel 11 and the controller 12 are arranged above the ground, the solar panel 11 and the controller 12 can be arranged in a public toilet or a special equipment small room, the solar panel 11 is installed on the roof, and the controller 12 comprises a storage battery and an inverter.

Further, as shown in fig. 2 and 3, the first filter 2 includes a first cover plate 21, an outer tub 22, a filter drum 23, a main shaft 27 and an impeller 24, the first cover plate 21 is fastened on the upper portion of the outer tub 22 and is fixedly connected with the outer tub 22, the impeller 24 and the filter drum 23 are sequentially disposed inside the outer tub 22 from top to bottom, one end of the main shaft 27 is rotatably connected with the first cover plate 21, the other end of the main shaft 27 is rotatably connected with the outer tub 22, one end of the main shaft 27 connected with the outer tub 22 penetrates through the outer tub 22 and is fixedly connected with the motor 13, the middle of the main shaft 27 penetrates through the impeller 24 and the filter drum 23 in sequence, the main shaft 27 is fixedly connected with the impeller 24 and the filter drum 23, and the motor 13 rotates to drive the main shaft 27 to rotate inside the outer tub 22 and drive the filter drum 23 and the impeller 24 to rotate at the same time;

further, the first cover plate 21 is circular, a boss 213 is arranged on one side of the outer edge of the lower part opposite to the outer barrel 22, the boss 213 is inserted into the outer barrel 22, and plays a role in positioning and guiding during assembly, so that the installation is convenient, a first shaft seat 211 is arranged on one side of the center of the lower part of the first cover plate 21 opposite to the outer barrel 22, the first shaft seat 211 is rotatably connected with the main shaft 27 through a first bearing 25, a plurality of water leakage holes 212 are uniformly distributed on the first cover plate 21, and the water leakage holes 212 are through holes, so that the water flowing on the ground can be collected into the first filter 2;

further, the outer tub 22 is a cylindrical tub, the upper portion of the outer tub 22 is provided with a connection hole 223, the connection hole 223 is arranged between the first cover plate 21 and the filter tub 23, the outlet of the drain pipe 1 passes through the connection hole 223 and extends to the main shaft 27, the lower portion of the outer tub 22 is provided with a water outlet hole 222, the water outlet hole 222 is communicated with the upper portion of the second filter 3, the side of the center of the bottom of the outer tub 22 opposite to the first cover plate 21 is provided with a second shaft seat 221, and the second shaft seat 221 is rotatably connected with the main shaft 27 through a second bearing 26;

the upper part of a further filter barrel 23 is cylindrical, the middle part is funnel-shaped, the lower part is cylindrical, the upper part and the middle part are filter sections, the lower part is a collecting section, the lower part of the filter barrel 23 is fixedly connected with a main shaft 27, a plurality of filter holes are uniformly distributed on the side walls of the upper part and the middle part of the filter barrel 23, centrifugal force is generated when the filter barrel 23 rotates, rainwater can be thrown out of the filter holes into an outer barrel 22, so that leaves, weeds and the like are filtered out and collected to the lower part, the shape of the filter barrel 23 is favorable for the leaves, the weeds to be collected to the lower part, and in non-rainfall weather, the first filter 2 can be detached to clean out sundries;

impeller 24 sets up on filter vat 23 upper portion, for axial-flow type impeller, produces vortex and suction when rotatory, plays the effect of drainage to subaerial ponding, and the subaerial ponding of being convenient for flows into first filter 2 inside through the hole 212 that leaks, effectual reduction ground ponding.

Further, as shown in fig. 4 and 5, the second filter 3 includes a second cover plate 31, a tub 32 and filter plates 35, the second cover plate 31 is fastened to the upper portion of the tub 32 and is fixedly connected to the tub 32, a water inlet 311 is formed in the second cover plate 31, the water inlet 311 is communicated with the first filter 2, a water outlet 341 is formed in the lower portion of the tub 32, the water outlet 341 is communicated with the upper portion of the purifier 4, a plurality of flanges 338 are obliquely arranged in the tub 32 with respect to the horizontal plane, the plurality of flanges 338 are arranged in parallel and spaced from top to bottom, a filter plate 35 is erected on each flange 338, a filter layer is formed between two adjacent filter plates 35, and the filter layer is filled with an adsorbent;

further, the second cover plate 31 is circular, and an annular protrusion is arranged on the lower part of the outer edge of the second cover plate, opposite to the barrel body 32, and is used for being inserted into the barrel body 32 to be matched with the barrel body 32, so that the positioning and guiding effects are achieved;

further, the upper part of the barrel body 32 is cylindrical, a filter cavity 33 is formed inside the barrel body 32, the lower part of the barrel body 32 is funnel-shaped, a water collecting cavity 34 is formed inside the barrel body, so that water flow can be conveniently collected, and the water outlet 341 is arranged at the bottom of the water collecting cavity 34; three flanges 338 are sequentially and obliquely arranged from top to bottom in the barrel body 32, the included angle a between the upper surface of each flange 338 and the horizontal plane is larger than 0 degree and smaller than 45 degrees, the three flanges 338 are arranged in parallel at intervals, a filter plate 35 is erected on each flange 338, the three filter plates 35 separate the filter cavity 33 into a first filter layer 335 and a second filter layer 336, the first filter layer 335 and the second filter layer 336 are filled with the same or different adsorption substances, so that rainwater can be further filtered to remove impurities, preferably, the first filter layer 335 is filled with quartz sand, and the second filter layer 336 is filled with activated carbon, so that the adsorption effect is enhanced;

preferably, the first filter layer 335 has an upward inclined end provided with a first input port 331 on the barrel body 32, a downward inclined end provided with a first discharge port 333 on the barrel body 32, a upward inclined end provided with a second input port 332 on the barrel body 32, a downward inclined end provided with a second discharge port 334 on the barrel body 32, the first input port 331 and the second input port 332 for filling with the adsorbent, and the first discharge port 333 and the second discharge port 334 for discharging the adsorbent, so that the adsorbent can be replaced after being used for a period of time, the adsorbed impurities can be removed, the rainwater treatment effect can be ensured, and the second filter 3 and the devices connected to the rear can have longer service lives;

in other embodiments, three or more filtering layers may be provided to facilitate removal of impurities from rainwater.

Further, as shown in fig. 6 to 8, the nozzle device 8 includes a first sleeve 81, a second sleeve 84, a third sleeve 87, a first connecting pipe 83, a second connecting pipe 85, a bellows 86 and a nozzle 82, the first sleeve 81 is disposed on the upper portion of the nozzle 82 and can slide up and down along the upper portion of the nozzle 82, the second sleeve 84 is disposed on the middle portion of the nozzle 82 and is fixedly connected to the nozzle 82, the third sleeve 87 is disposed on the lower portion of the nozzle 82, the lower portion of the nozzle 82 can extend out or retract relative to the third sleeve 87, the bottom of the third sleeve 87 is fixedly connected to the second connecting pipe 85, the bellows 86 is disposed inside the third sleeve 87, the upper portion of the bellows 86 is fixedly connected to the lower portion of the nozzle 82, the lower portion of the bellows 86 is fixedly connected to the second connecting pipe 85, the bellows 86 can achieve a telescopic effect, the first connecting pipe 83 is fixedly connected to the second sleeve 84, an axis of the first connecting pipe 83 is perpendicular to an axis of the second sleeve 84, the first connecting pipe 83 and the second connecting pipe 85 are connected with the water storage tank 5 through a second water pump 6, the second water pump 6 is a double pump, and two containing cavities of the double pump are respectively connected with the first connecting pipe 83 and the second connecting pipe 85;

furthermore, the middle part of the spray pipe 82 is provided with a pipe body 820, the upper part of the spray pipe is provided with an upper spray pipe 824, the side wall of the upper spray pipe 824 is uniformly provided with a plurality of upper spray heads 823, the inside of the upper spray pipe 824 is provided with an upper spray cavity 829, the first sleeve pipe 81 is sleeved outside the upper spray pipe 824, the first sleeve pipe 81 comprises an outer sleeve pipe 812 and an inner ejector rod 811, an annular gap is arranged between the sleeve pipe 812 and the inner ejector rod 811, the upper spray pipe 824 is sleeved outside the ejector rod 811 and arranged between the annular gaps, the lower end part of the ejector rod 811 is fixedly provided with a baffle 813, the baffle 813 can be mutually abutted against the top wall of the upper spray pipe 824, a first spring 88 is arranged between the upper spray pipe 824 and the ejector rod 811, and the first spring 88 can help the first sleeve pipe 81 to reset;

a lower spray pipe 821 is arranged at the lower part of the spray pipe 82, a plurality of lower spray heads 822 are uniformly arranged on the side wall of the lower spray pipe 821, a lower spray cavity 827 is arranged inside the lower spray pipe 821, a third sleeve 87 is sleeved outside the lower spray pipe 821, a corrugated pipe 86 is arranged inside the third sleeve 87, the upper part of the corrugated pipe 86 is fixedly connected with the end part of the lower spray pipe 821, the lower part of the corrugated pipe 86 is fixedly connected with a second connecting pipe 85, the corrugated pipe 86 can realize the telescopic action, the upper spray cavity 829 is not communicated with the lower spray cavity 827, a first hole 825 is arranged inside the pipe body 820 along the axial line, the first hole 825 is communicated with the upper spray cavity 829 and is not communicated with the lower spray cavity 827, a second hole 826 is arranged radially on the pipe body 820, the second hole 826 is perpendicular to the axial line of the first hole 825, the other end of the second hole 826 is communicated with the inner hole of the first connecting pipe 83, the water flow introduced into the first connecting pipe 83 can be sprayed out from the upper spray head 823, without entering lower nozzle 821, upper nozzle 824, tubular body 820, and lower nozzle 821 are preferably of unitary construction.

Further, when the second water pump 6 acts on the cavity connected with the first connecting pipe 83, water flows into the first connecting pipe 83, further flows into the first hole 825 through the second hole 826, and then enters the upper spraying cavity 829, the first sleeve 81 slides and is ejected out along the upper spraying cavity 829 under the action of water flow pressure, so that the upper spraying pipe 824 is exposed for spraying, the baffle 813 compresses the first spring 88, when the water flow stops, the pressure disappears, the elastic force of the first spring 88 enables the first sleeve 81 to reset to hide the upper spraying pipe 824, and the residual water flow in the upper spraying cavity 829 slowly overflows from the upper spraying head 823 and is discharged from the connection part of the first sleeve 81 and the second sleeve 84; when the second water pump 6 acts on the cavity connected with the second connecting pipe 85, water flows into the second connecting pipe 85 and enters the lower spray cavity 827 through the corrugated pipe 86, the pressure of the water flows can enable the corrugated pipe 86 to extend, the lower spray pipe 821 extends out of the third sleeve 87, the lower spray pipe 821 is exposed, the water flows are sprayed out of the lower spray head 822 to carry out spraying operation, at the moment, the second spring 89 is in an extension state, when the water flows stop and the pressure disappears, the pipe fittings on the upper portion of the corrugated pipe 86 retract due to gravity, the second spring 89 assists the return of the pipe fittings, the lower spray pipe 821 is hidden in the third sleeve 87, and the water flow remained in the lower spray cavity 827 slowly overflows from the lower spray head 822 and is discharged from the connection position of the second sleeve 84 and the third sleeve 87;

the second water pump 6 is preferably a high-low pressure dual pump, the low-pressure partial cavity is connected with the first connecting pipe 83, the high-pressure partial cavity is connected with the second connecting pipe 85, the high-pressure water flow can be favorably jacked up and extend out of the lower spray pipe 821 due to the fact that the weight of the upper part of the spray pipe 82 is large, and the second spring 89 is used for assisting the spray pipe 82 to reset;

preferably, lower spray pipe 821 can produce atomization effect under the effect of high-pressure water flow, in dry and haze weather, can the humidification or fall the haze, should set up and can expose spray pipe 82 corresponding part when needs spray irrigation or atomizing, resets spray pipe 82 when need not the operation to guarantee that shower nozzle device 8 can not blockked up by impurity etc. guarantees its life, and two upper and lower shower nozzles can increase the spray range or realize the different effect of spraying.

The system for recycling the rainwater in the sponge city can utilize the solar panel 11 to absorb sunlight to convert the light energy into electric energy for storage, when the rain falls, the water flow of the drain pipe 1 flows to the first filter 2, the controller 12 controls the motor 13, the purifier 4 and the first water pump 7 to be started, the impeller 24 and the filter barrel 23 of the first filter 2 are driven by the motor 13 to rotate, collect the rainwater and preliminarily filter the rainwater, the filtered rainwater enters the second filter 3 to be further filtered, the purified rainwater enters the purifier 4 to be purified, the purified rainwater is pumped into the water storage tank 5 by the first water pump 7 to be stored, when the green plants lack water, the controller 12 starts the second water pump 6, one of the cavities of the second water pump 6 works, the controller 12 controls the first control valve 9 or the second control valve 10 to be started, so that the water flow enters the spray head device 8, and the corresponding upper spray pipe 824 or lower spray pipe 821 is exposed, spray work, it is preferred, when needing to air humidification or falling the haze, lower spray pipe 821 stretches out and carries out the atomization.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a system for sponge city rainwater recycle which characterized in that: the water purifier comprises a drain pipe (1), a first filter (2), a second filter (3), a purifier (4), a water storage tank (5) and a spray head device (8), wherein the drain pipe (1), the first filter (2), the second filter (3), the purifier (4), the water storage tank (5) and the spray head device (8) are communicated in sequence;

the drain pipe (1) extends downwards from the roof of the building, and the outlet of the drain pipe (1) extends into the first filter (2);

the first filter (2) comprises a first cover plate (21), an outer barrel (22), a filter barrel (23), a main shaft (27) and an impeller (24), the first cover plate (21) is buckled on the upper part of the outer barrel (22), the main shaft (27) penetrates through the outer barrel (22), one end of the main shaft (27) is rotatably connected with the first cover plate (21), the other end of the main shaft is rotatably connected with the outer barrel (22), and the impeller (24) and the filter barrel (23) are fixedly arranged on the main shaft (27) in a penetrating manner;

the second filter (3) comprises a second cover plate (31), a barrel body (32) and filter plates (35), the second cover plate (31) is buckled on the upper portion of the barrel body (32), the filter plates (35) are obliquely arranged inside the barrel body (32) at intervals, a filter layer is formed between every two adjacent filter plates (35), and adsorbing substances are filled in the filter layer;

shower nozzle device (8) include first sleeve pipe (81), second sleeve pipe (84), third sleeve pipe (87) and spray tube (82), first sleeve pipe (81) cover is established spray tube (82) upper portion can be followed spray tube (82) upper portion slides from top to bottom, second sleeve pipe (84) cover is established spray tube (82) middle part, with spray tube (82) fixed connection, third sleeve pipe (87) cover is established spray tube (82) lower part, spray tube (82) lower part can for third sleeve pipe (87) is stretched out or is retracted.

2. The system for recycling rainwater in sponge cities of claim 1, which is characterized in that: the bottom of the outer side of the first filter (2) is provided with a motor (13), and one end of the main shaft (27) connected with the outer barrel (22) penetrates through the outer barrel (22) and is fixedly connected with the motor (13).

3. The system for recycling rainwater in sponge cities of claim 2, which is characterized in that: the upper part of the outer barrel (22) is provided with a connecting hole (223), the connecting hole (223) is arranged between the first cover plate (21) and the filter barrel (23), the outlet of the drain pipe (1) penetrates through the connecting hole (223) and extends towards the main shaft (27), the lower part of the outer barrel (22) is provided with a water outlet hole (222), and the water outlet hole (222) is communicated with the upper part of the second filter (3).

4. The system for recycling rainwater in sponge cities of claim 3, wherein: a water inlet (311) is formed in the second cover plate (31), the water inlet (311) is communicated with the water outlet hole (222), a water outlet (341) is formed in the lower portion of the barrel body (32), and the water outlet (341) is communicated with the upper portion of the purifier (4).

5. The system for recycling rainwater in sponge cities of claim 4, wherein: the inner part of the barrel body (32) is obliquely provided with a plurality of flanges (338) relative to the horizontal plane, the included angle between the upper surface of each flange (338) and the horizontal plane is a, the included angle a is larger than 0 degree and smaller than 45 degrees, the flanges (338) are arranged in parallel at intervals from top to bottom, and each flange (338) is provided with a filter plate (35) in an erected mode.

6. The system for recycling rainwater in sponge cities of claim 5, wherein: the barrel body (32) is provided with a feeding opening and a discharge opening, the feeding opening is arranged at one end, with the inclination upward, of the filter layer and is used for filling the adsorbent, and the discharge opening is arranged at one end, with the inclination downward, of the filter layer and is used for discharging the adsorbent.

7. The system for recycling rainwater in sponge cities of claim 6, wherein: shower nozzle device (8) include first connecting pipe (83), second connecting pipe (85) and bellows (86), bellows (86) set up inside third sleeve pipe (87), bellows (86) upper portion with spray tube (82) lower part fixed connection, bellows (86) lower part with second connecting pipe (85) fixed connection, first connecting pipe (83) with second sleeve pipe (84) fixed connection, the axis of first connecting pipe (83) with the axis mutually perpendicular of second sleeve pipe (84), first connecting pipe (83) second connecting pipe (85) with water storage tank (5) pass through the water pump and are connected.

8. The system for recycling rainwater in sponge cities of claim 7, wherein: spray tube (82) upper portion is provided with spray tube (824) on, it is provided with a plurality of shower nozzles (823) to go up spray tube (824) lateral wall equipartition, first sleeve pipe (81) cover is established go up spray tube (824) outside, spray tube (82) lower part is provided with down spray tube (821), spray tube (821) lateral wall equipartition is provided with a plurality of shower nozzles (822) down, third sleeve pipe (87) cover is established spray tube (821) outside down, go up spray tube (824) with each other not communicate with each other between spray tube (821).

9. The system for recycling rainwater in sponge cities of claim 8, wherein: first sleeve pipe (81) include outside pipe box (812) and inside ejector pin (811), be provided with annular space between pipe box (812) and inside ejector pin (811), go up spray tube (824) cover and establish ejector pin (811) are outside, set up between annular space, the fixed baffle (813) that is provided with in ejector pin (811) tip, baffle (813) can with the mutual butt of roof of going up spray tube (824), go up spray tube (824) with be provided with the spring between ejector pin (811).

10. The system for recycling rainwater in sponge cities of claim 9, wherein: sponge city rainwater recycle's system still includes solar panel (11) and controller (12), solar panel (11) are connected controller (12), controller (12) are connected motor (13) the water pump with clarifier (4) turn into the electric energy with solar energy, control each part and start and close.

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