CN211597025U

CN211597025U - Underground rainwater recycling device

Info

Publication number: CN211597025U
Application number: CN201921760958.5U
Authority: CN
Inventors: 陈凤娇; 严英; 张瑞波
Original assignee: Huayi Ecological Landscape Architecture Co ltd
Current assignee: Huayi Ecological Landscape Architecture Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-29
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an underground rainwater recycle device, the pressure tap comprises a water inlet pipe, rainwater reposition of redundant personnel well, abandon the flow tube, the sand setting filtering ponds, the rainwater collecting pit, a filter, sterilizer and clean water basin, be equipped with vertical setting and have the baffle of delivery port in the rainwater reposition of redundant personnel well, the baffle is separated into with rainwater reposition of redundant personnel well and is abandoned chute and water catch bowl, inlet tube and water catch bowl intercommunication, the back flush pipe has been laid to the bottom of rainwater collecting pit, the centre of rainwater collecting pit is equipped with out the well, install dredge pump and retrieval and utilization pump in the well of going out, the play water end of retrieval and utilization pump passes through the distributing pipe respectively with filter and back flush pipe intercommunication. The utility model can collect the water resource of rainwater weather for reuse, greatly reduce the burden of urban drainage facilities and reduce the water cost; the ground is buried, so that the utilization rate of space is improved; the rainwater is filtered by three layers, so that the high-quality and non-toxic cyclic utilization of the rainwater for roof greening is ensured, and the efficient purification of the rainwater is achieved.

Description

Underground rainwater recycling device

Technical Field

The utility model belongs to the technical field of the rainwater is retrieved, in particular to underground rainwater recycle device.

Background

In the process of urban construction nowadays, the harmony and unity of green, environmental protection and human and environment are more and more paid attention. In the process of large-scale project construction of a plurality of cities, the greening area occupies a large part. However, urban construction creates a large amount of water-tight ground, roofing, concrete and asphalt pavement, and the runoff coefficient of such pavement is generally 0.9, meaning that nearly 90% of rainfall will result in loss of ground runoff, which is not only a huge waste of water resources, but also increases the burden of urban drainage facilities and increases the probability of urban rainwater flood disasters. In addition, the irrigation water for green plants needs to be connected from the municipal water supply system again, so that the maintenance cost of the green plants is increased virtually and the municipal water supply is wasted.

To this kind of condition, someone designs rainwater recycle device, but traditional rainwater recycle device need occupy the ground space and carry out equipment fixing, extravagant space, and underground rainwater is mingled with multiple impurity moreover, handles improper and also can cause relevant facility to block up or even damage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem of the existence of above-mentioned prior art, provide an underground rainwater recycle device.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

an underground rainwater recycling device comprises a water inlet pipe, a rainwater diversion well, a abandoning flow pipe, a sand setting filter tank, a rainwater collecting tank, a filter, a sterilizer and a clean water tank, wherein a vertically arranged partition plate with a water outlet is arranged in the rainwater diversion well, the partition plate separates the rainwater diversion well into the abandoning flow groove and the water collecting tank, the water inlet pipe is communicated with the water collecting tank, the abandoning flow pipe is communicated with the abandoning flow groove, the water collecting tank, the sand setting filter tank, the rainwater collecting tank, the filter, the sterilizer and the clean water tank of the rainwater diversion well are sequentially communicated through a water distribution pipe, a back flushing pipe is laid at the bottom of the rainwater collecting tank, the water outlet of the back flushing pipe faces the top of the rainwater collecting tank, a water outlet well is arranged in the middle of the rainwater collecting tank, a sewage pump and a recycling pump are installed in the water outlet well, the water outlet of the sewage pump is externally connected with a sewage well, and the water, the water outlet end of the recycling pump is also communicated with the back flushing pipe through a water distribution pipe.

Furthermore, the bottom of the water outlet well is set to be a sinking bottom, the bottom of the water outlet well is lower than the bottom of the rainwater collecting pool, the sewage pump is installed at the bottom of the water outlet well, and the recycling pump is installed on the concrete block-up base.

Further, still install the blowdown liquid level detector with dredge pump signal connection and the drainage liquid level detector with retrieval and utilization pump signal connection in the outlet well, the pump water level that stops of dredge pump is detected to the blowdown liquid level detector, the pump water level that stops of retrieval and utilization pump is detected to the drainage liquid level detector.

Further, the pump stopping water level of the sewage pump detected by the sewage level detector is lower than the pump stopping water level of the recycling pump detected by the drainage level detector.

Further, underground rainwater recycle device still includes the equipment room, filter, sterilizer all set up in the equipment room.

Further, rainwater reposition of redundant personnel well, sand setting filtering ponds, rainwater collecting pit and equipment room are the formula of burying, just the top of rainwater reposition of redundant personnel well, sand setting filtering ponds, outlet shaft and equipment room all upwards extends to ground and forms the manhole, just the opening part of manhole all is equipped with the closing cap.

Furthermore, the underground rainwater recycling device is also provided with a tap water supply pipeline, and the tap water supply pipeline is connected to the inside of the water outlet well.

The utility model has the advantages that: the underground rainwater recycling device can collect and treat the water resources wasted by rainwater weather, and then recycle the water resources, so that the burden of urban drainage facilities is greatly reduced, and meanwhile, the collected and treated rainwater can be used for green plant irrigation, daily cleaning and other works, so that the water consumption cost is greatly reduced; the utility model is buried at the bottom of the ground, which greatly improves the utilization rate of the space; and the rainwater of the structure is filtered by three layers, so that the high-quality and non-toxic cyclic utilization of the rainwater for roof greening is ensured, and the efficient purification of the rainwater is achieved.

Drawings

FIG. 1 is a schematic flow chart of the underground rainwater recycling device of the present invention;

FIG. 2 is a schematic plan view of the underground rainwater recycling device of the present invention;

FIG. 3 is a schematic structural view of the underground rainwater recycling device of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, an underground rainwater recycling device comprises a water inlet pipe 10, a rainwater diversion well 11, a discarding pipe 12, a sand setting filtering tank 20, a rainwater collecting tank 30, a filter 40, a sterilizer 50 and a clean water tank 60, wherein a vertically arranged partition plate 13 with a water outlet is arranged in the rainwater diversion well 11, the partition plate 13 divides the rainwater diversion well 11 into a discarding groove and a water collecting groove, the water inlet pipe 10 is communicated with the water collecting groove, the discarding pipe 12 is communicated with the discarding groove, the water collecting groove, the sand setting filtering tank 20, the rainwater collecting tank 30, the filter 40, the sterilizer 50 and the clean water tank 60 of the rainwater diversion well 11 are sequentially communicated through a water distribution pipe, a backwashing pipe 31 is laid at the bottom of the rainwater collecting tank 30, the water outlet of the backwashing pipe 31 faces the top of the rainwater collecting tank 30, a water outlet well 32 is arranged in the middle of the rainwater collecting tank 30, and a sewage pump 33 and a recycling pump 34 are arranged in the water outlet well 32, the water outlet of the sewage pump 33 is externally connected with a sewage well, the water outlet end of the recycling pump 34 is communicated with the inlet of the filter 40 through a water distribution pipe, and the water outlet end of the recycling pump 34 is also communicated with the backwashing pipe 31 through a water distribution pipe. It should be noted that, the rainwater collecting tank 30 of the utility model is a PP rainwater collecting module, the rainwater collecting tank 30 is wrapped with a layer of impermeable geomembrane, and a polystyrene protecting plate with a thickness of 100mm is installed around, and a middle sand protecting layer with a thickness of 200mm is backfilled at the top; the rainwater collecting pool 30 is formed by overlapping PP rainwater modules, two vertical opposite modules are directly connected by a fixed groove, the interlayer is fixed by parallel socket joint of prefabricated round pipes, and the long side and the short side of two horizontal adjacent modules are respectively embedded and fixed by 4 butterfly-shaped fixing clamps and 2 butterfly-shaped fixing clamps; the partition 13 is prefabricated concave stainless steel.

Rainwater passes through inlet tube 10 and gets into in rainwater reposition of redundant personnel well 11, can set up netted filter equipment usually at the entrance point of inlet tube 10 and come the great impurity such as leaf smugglied secretly in the filtering rainwater, initial rainwater quality of water is relatively poor, it is more to contain the filth volume, discharge through abandoning the runner through abandoning runner pipe 12, after quality of water is better, it closes and stops to discharge to abandon runner pipe 12, rainwater this moment gets into the gravel and sand of the great granule of sand filtering ponds 20 filtering through the water distribution pipe and then reentries rainwater collecting pit 30, rainwater collecting pit 30's volume designs according to actual demand, rainwater collecting pit 30 size in this embodiment is 27.6 × 5.6.6 5.6 × 3.2.2 m³The rainwater collecting tank 30 is provided with a water outlet well 32 for conveying impurities or rainwater to the outside, wherein the sewage pump 33 is used for discharging silt deposited in the rainwater collecting tank 30 for a long time, so that the effective volume of the rainwater collecting tank 30 is prevented from being reduced due to excessive silt deposited in the rainwater collecting tank 30; the recycling pump 34 is used for conveying the rainwater collected in the rainwater collection pool 30 to the filter 40 and the disinfector 50 for cleaning treatment and then discharging the rainwater to the clean water pool 60 for standby; in addition, retrieval and utilization pump 34 still communicates with backwash pipe 31, like this alright wash the rivers mixed flow degree that improves rainwater collecting tank 30 bottom with the water source in the rainwater collecting tank 30 directly, prevent silt deposit. Thus, through the utility model discloses an underground rainwater recycle device can collect the water resource of rainwater weather waste and handle the back and recycle, greatly reducedThe burden of urban drainage facilities, the rainwater after collecting and treating simultaneously can be used for works such as green plant watering, daily cleanness, greatly reduced the water cost. Compared with the traditional rainwater drainage and collection mode, the modularized rainwater recycling device of the utility model is completely buried in the ground, does not occupy the space of the ground, and greatly improves the utilization rate of the space; the rainwater in the structure is filtered by three layers, the stainless steel filter screen is used for primarily filtering larger impurities such as leaves, the solid particles such as stones and sands are physically intercepted by the sand setting filter tank, the solid particles are collected to the rainwater collection tank and then the suspended matters in the rainwater are filtered by the filter in the equipment room, and finally the filtered and purified rainwater is subjected to the ultraviolet sterilizer to remove bacteria and other pathogens contained in the rainwater, so that the high-quality and non-toxic cyclic utilization of the rainwater for roof greening is ensured, and the efficient purification of the rainwater is achieved.

In addition, as shown in fig. 3 and 4, the bottom of the outlet well 32 is set to be a sunk bottom, the bottom of the outlet well 32 is lower than the bottom of the rainwater collecting tank 30, the sewage pump 33 is installed at the bottom of the outlet well 32, and the recycling pump 34 is installed on a concrete raising base. The sewage pump 33 installed in the water outlet well 32 is mainly used for discharging sediment, so that the bottom of the water outlet well 32 is set to be a bottom so that the sediment can better collect at the bottom of the water outlet well 32 and be discharged by the sewage pump 33 after being washed by the backwashing pipe 31, and the installation of the recycling pump 34 on the concrete raised base is also used for better sewage discharge by the sewage pump 33 so as to prevent the recycling pump 34 from pumping the sediment to pollute the filter 40. Wherein, the sewage pump 33 and the recycling pump 34 are submersible pumps, and the control mode is manual start-stop and low liquid level stop.

As shown in fig. 4, a sewage level detector 36 in signal connection with the sewage pump 33 and a drainage level detector 37 in signal connection with the recycling pump 34 are further installed in the water outlet well 32, the sewage level detector 36 detects a pump stop level of the sewage pump 33, and the drainage level detector 37 detects a pump stop level of the recycling pump 34. Through the real-time detection of the sewage level detector 36 and the drainage level detector 37 and the feedback of the detection signal, the electric signal for controlling the pump stop of the sewage pump 33 and the recycling pump 34 is formed, so that the automatic control is realized, and the control convenience and accuracy of the whole underground rainwater recycling device are greatly improved. In addition, the sewage level detector 36 and the drain level detector 37 are connected to the sewage pump 33 and the recycling pump 34 through an electrical control box.

As shown in fig. 4, the pump-stopping water level of the sewage pump 33 detected by the sewage level detector 36 is lower than the pump-stopping water level of the reuse pump 34 detected by the drainage level detector 37, specifically, the pump-stopping water level of the sewage pump 33 is 200mm away from the bottom of the water outlet well 32, and the pump-stopping water level of the reuse pump 34 is 400mm away from the bottom of the water outlet well 32, so that the sediment at the bottom of the water outlet well 32 can be discharged by the sewage pump 33 as much as possible during sewage discharge, and the situation that the sediment is discharged incompletely due to the excessively high pump-stopping water level of the sewage pump 33 and the sediment is easily sucked by the reuse.

As shown in fig. 2 and 3, the underground rainwater recycling device further includes an equipment room 70, and the filter 40 and the sterilizer 50 are disposed in the equipment room 70. The equipment room 70 is used for separately installing the filter 40 and the sterilizer 50, so that the filter 40 and the sterilizer 50 inside can be protected, and the durability can be improved.

As shown in fig. 3, the rainwater diversion well 11, the sand setting filter tank 20, the rainwater collection tank 30 and the equipment room 70 are all buried, the tops of the rainwater diversion well 11, the sand setting filter tank 20, the water outlet well 32 and the equipment room 70 all extend upwards to the ground to form a manhole, and a sealing cover is arranged at the opening of the manhole. The design of manhole is convenient for regularly maintain the parts in rainwater reposition of redundant personnel well 11, sand setting filter tank 20 and the equipment room 70, sets up the closing cap then and is in order to protect rainwater reposition of redundant personnel well 11, sand setting filter tank 20 and equipment room 70 at ordinary times, prevents that external pollutant from getting into, also is used for preventing simultaneously that the pedestrian from falling into, guarantees pedestrian's safety.

As shown in fig. 1, the underground rainwater recycling device further includes a tap water supply pipe 35, and the tap water supply pipe 35 is connected to the water outlet well 32. The collection volume of rainwater in the rainwater collecting pool 30 is influenced by weather greatly, and once the rainwater storage volume in the rainwater collecting pool 30 does not meet the requirement, the running water supply pipeline 35 can be started to supply water to the water outlet well 32, so that the underground rainwater recycling device is prevented from being abandoned for a long time to cause equipment damage. The tap water supply pipeline 35 is controlled by manual operation and automatic control, and when the reuse pump 34 cannot be started at a low water level, a water supply valve of the tap water supply pipeline 35 is opened, and the water supply amount is two daily water supply amounts.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The underground rainwater recycling device is characterized by comprising a water inlet pipe (10), a rainwater diversion well (11), a flow discarding pipe (12), a sand setting filtering tank (20), a rainwater collecting tank (30), a filter (40), a sterilizer (50) and a clean water tank (60), wherein a vertical partition plate (13) with a water outlet is arranged in the rainwater diversion well (11), the partition plate (13) divides the rainwater diversion well (11) into a flow discarding groove and a water collecting groove, the water inlet pipe (10) is communicated with the water collecting groove, the flow discarding pipe (12) is communicated with the flow discarding groove, the water collecting groove of the rainwater diversion well (11), the sand setting filtering tank (20), the rainwater collecting tank (30), the filter (40), the sterilizer (50) and the clean water tank (60) are sequentially communicated through a water distribution pipe, and a back flushing pipe (31) is laid at the bottom of the rainwater collecting tank (30), the delivery port of backwash pipe (31) is towards the top of rainwater collecting pit (30), the centre of rainwater collecting pit (30) is equipped with outlet shaft (32), install dredge pump (33) and retrieval and utilization pump (34) in outlet shaft (32), the external bilge well of delivery port of dredge pump (33), the water outlet end of retrieval and utilization pump (34) is through the import intercommunication of distributing pipe with filter (40), the water outlet end of retrieval and utilization pump (34) is still through distributing pipe and backwash pipe (31) intercommunication.

2. An underground rainwater recycling device according to claim 1, characterized in that the bottom of the water outlet well (32) is set to be a sunk bottom, the bottom of the water outlet well (32) is lower than the bottom of the rainwater collecting pool (30), the sewage pump (33) is installed at the bottom of the water outlet well (32), and the recycling pump (34) is installed on a concrete raised base.

3. An underground rainwater recycling device according to claim 2, characterized in that a sewage level detector (36) connected with the sewage pump (33) by signals and a drainage level detector (37) connected with the recycling pump (34) by signals are further installed in the water outlet well (32), the sewage level detector (36) detects the pump stop water level of the sewage pump (33), and the drainage level detector (37) detects the pump stop water level of the recycling pump (34).

4. An underground rainwater recycling apparatus according to claim 3 wherein said blowdown liquid level detector (36) detects that the pump stop level of the blowdown pump (33) is lower than the pump stop level of the reuse pump (34) detected by the drain liquid level detector (37).

5. An underground rainwater recycling device according to any one of claims 1 to 4, further comprising an equipment room (70), wherein the filter (40) and the sterilizer (50) are both arranged in the equipment room (70).

6. A rainwater recycling device according to claim 5, wherein the rainwater diversion well (11), the sand setting filter tank (20), the rainwater collection tank (30) and the equipment room (70) are all buried, the tops of the rainwater diversion well (11), the sand setting filter tank (20), the water outlet well (32) and the equipment room (70) all extend upwards to the ground to form a manhole, and a sealing cover is arranged at the opening of the manhole.

7. An underground rainwater recycling apparatus according to claim 6 further comprising a tap water supply line (35), said tap water supply line (35) being connected to the interior of the water outlet well (32).