CN211774469U

CN211774469U - Rainwater recycling device

Info

Publication number: CN211774469U
Application number: CN202020057252.9U
Authority: CN
Inventors: 李欣怡; 余太平; 吴立; 蔡洪; 李鹏; 干学军; 姚朝翌; 汪齐; 何延召; 彭思思
Original assignee: Hubei Urban Construction Design Institute Co ltd
Current assignee: Hubei Urban Construction Design Institute Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-27
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a rainwater recycling device, which comprises a collecting mechanism and a recycling mechanism, wherein the collecting mechanism comprises a collecting tank and a filtering body, the collecting tank is arranged below the ground, the collecting tank is provided with a water inlet communicated with a collecting cavity, the filtering body is arranged at the water inlet, and the lower end of the wall of the collecting tank is provided with a sewage port communicated with the collecting cavity; the recycling mechanism comprises a recycling pool, a connecting pipe and a water pump. The utility model provides a technical scheme's beneficial effect is: collect in the collecting tank after carrying out prefiltering to the rainwater through filtering the body, the great rainwater of turbidity of rethread sewage mouth in with the rainfall initial stage is discharged, lets in the retrieval and utilization pond through the rainwater after deposiing in will collecting the pond through the connecting pipe after that in, recycles in water supply pipe network through the water pump suction in with the retrieval and utilization pond at last. The device can relieve the threat of waterlogging in local areas, can recycle rainwater, and has good economic and social benefits.

Description

Rainwater recycling device

Technical Field

The utility model belongs to the technical field of rainwater recovery processing technique and specifically relates to a rainwater recycle device is related to.

Background

With the continuous development of economy in China, the urbanization process is obviously accelerated, a large number of residents are rushed to cities, but the urban drainage facility construction and the rainfall flood management mode are difficult to match with the urban expansion speed, certain old districts of the cities do not have complete drainage systems, the gray hardening rate is high, the pipeline capacity is overloaded, pipe sections are damaged and blocked, and the like, so that a large amount of water is accumulated on the ground of the districts in the rainstorm period, how to recycle the rainwater in the rainfall flood period, and the phenomena of water resource shortage in the districts and dry seasons are relieved.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a rainwater recycling device that can both alleviate local waterlogging and fully utilize rainwater resources.

A rainwater recycling device, comprising: a collecting mechanism and a recycling mechanism,

the collecting mechanism comprises a collecting tank and a filtering body, the collecting tank is arranged below the ground and is provided with a closed collecting cavity, the collecting tank is provided with a water inlet communicated with the collecting cavity, the filtering body is arranged at the water inlet, the lower end of the tank wall of the collecting tank is provided with a sewage port communicated with the collecting cavity, and the sewage port is provided with a sewage valve;

the retrieval and utilization mechanism includes retrieval and utilization pond, connecting pipe and water pump, the retrieval and utilization pond has an inclosed retrieval and utilization chamber, the one end of connecting pipe with collect the chamber intercommunication, the other end of connecting pipe with retrieval and utilization chamber intercommunication, be equipped with the filter screen in the connecting pipe, the entry of water pump with retrieval and utilization chamber intercommunication, the export of water pump be used for with the water supply network intercommunication.

Compared with the prior art, the utility model provides a technical scheme's beneficial effect is: collect the collecting pit after carrying out prefiltering to the rainwater through crossing the filter body in, the sewage mouth through the collecting pit discharges the great rainwater of turbidity at the rainfall initial stage, lets in the retrieval and utilization pond through the rainwater after deposiing in will collecting pit through the connecting pipe in, recycles in water pump suction in with the retrieval and utilization pond to the water supply pipe network at last. Through this device, can not only effectively alleviate local area's waterlogging threat, can also be with rainwater recycle, economic and social are good.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a rainwater recycling device provided by the present invention;

FIG. 2 is an enlarged view of a portion of region A of FIG. 1;

in the figure: 1-collection mechanism, 2-reuse mechanism, 3-ground, 4-PLC controller, 11-collection tank, 111-sewage port, 112-sewage valve, 113-top cover, 12-filter, 121-sandstone layer, 122-rubble layer, 123-permeable concrete layer, 124-vegetation layer, 13-level gauge, 14-turbidity detector, 21-reuse tank, 211-overflow port, 22-connecting pipe, 221-filter screen, 23-water pump, 24-communicating valve, 25-one-way valve, 26-water-stop plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a rainwater recycling device, which includes a collecting mechanism 1 and a recycling mechanism 2.

Referring to fig. 1, the collecting mechanism 1 includes a collecting tank 11 and a filtering body 12, the collecting tank 11 is disposed below the ground 3, the collecting tank 11 has a closed collecting cavity, the collecting tank 11 has a water inlet communicated with the collecting cavity, the filtering body 12 is disposed at the water inlet, a sewage port 111 communicated with the collecting cavity is disposed at a lower end of a tank wall of the collecting tank 11, a sewage valve 112 is disposed at the sewage port 111, and the sewage valve 112 is used for controlling on-off of the sewage port 111.

Referring to fig. 1 and 2, the recycling mechanism 2 includes a recycling tank 21, a connecting pipe 22 and a water pump 23, the recycling tank 21 has a closed recycling cavity, in this embodiment, a water-stop plate 26 is disposed on the recycling tank 21 to make the recycling cavity in a closed state, one end of the connecting pipe 22 is communicated with the collecting cavity, the other end of the connecting pipe 22 is communicated with the recycling cavity, a filter screen 221 is disposed in the connecting pipe 22, an inlet of the water pump 23 is communicated with the recycling cavity, an outlet of the water pump 23 is used for being communicated with a water supply pipe network (not shown), the water supply pipe network can be a non-potable water pipe, such as a water supply pipe of a park fountain, in this embodiment, the water supply pipe network is a greening irrigation pipe, and the collected rainwater is mainly used for road watering and garden irrigation.

The utility model provides a rainwater recycle device's working process as follows: during rainfall, rainwater flows into the collection tank 11 from the water inlet after being filtered by the filter body 12, the rainwater at the early stage of rainfall is relatively turbid, the sewage valve 112 is opened to discharge the turbid rainwater out of the collection tank 11 after the rainfall is carried out for 3-5 minutes, the sewage valve 112 is closed again, the collection tank 11 continues to collect the rainwater, the rainwater at the moment is relatively clear, the rainwater in the collection tank 11 reaches a certain depth and then enters the recycling tank 21 through the connecting pipe 22, the rainwater passes through the connecting pipe 22 and is filtered again through the filter screen 221, and finally the rainwater in the recycling tank 21 is pumped into the water supply pipe network through the water pump 23 to be recycled.

Further, referring to fig. 1 and fig. 2, the water inlet is located on the upper end surface of the collecting tank 11, a top cover 113 matched with the water inlet is arranged at the water inlet, and a plurality of through holes (not shown) are arranged on the top cover 113; the filtering body 12 comprises a gravel layer 121, a gravel layer 122, a water-permeable concrete layer 123 and a vegetation layer 124, the gravel layer 121 is laid above the top cover 113, the gravel layer 122 is laid above the gravel layer 121, the water-permeable concrete layer 123 is laid above the gravel layer 122, and the vegetation layer 124 is laid above the water-permeable concrete layer 123. During rainfall, rainwater passes through the vegetation layer 124, the pervious concrete layer 123, the gravel layer 122 and the sandstone layer 121 in sequence, and enters the collecting tank 11 after being filtered layer by layer.

Preferably, referring to fig. 1, a liquid level meter 13 is disposed in the collection chamber, and the liquid level meter 13 is configured to detect a depth of rainwater in the collection chamber.

Preferably, referring to fig. 2, a turbidity detector 14 is further disposed in the collection chamber, in this embodiment, the turbidity detector is JY-PTU200, a communication valve 24 is disposed in the connection pipe 22, and the communication valve 24 is used for controlling on/off of the connection pipe 22.

Preferably, referring to fig. 1, the rainwater recycling device of the present invention further includes a PLC controller 4, wherein the PLC controller 4 is electrically connected to the liquid level meter 13, the turbidity detector 14, the communication valve 24, and the sewage valve 112 respectively. In this embodiment, the model of the PLC controller 4 is NX-ID5442, and it should be noted that the PLC controller 4 in this embodiment can be easily implemented by a general PLC simple programming on the market, and the PLC simple programming is a prior art, and the present invention does not protect the programming implementation; of course, in actual use, the rainwater recycling device provided in this embodiment may also be used without the PLC controller 4, and the manual operation is directly used to control the opening and closing of the communication valve 24 and the sewage valve 112.

Further, referring to fig. 1, one end of the connection pipe 22 is provided with a check valve 25, and the check valve 25 is used for limiting the water flow direction in the connection pipe 22, so as to prevent the water in the recycling tank 21 from flowing into the collection tank 11.

Preferably, referring to fig. 1, the check valve 25 is a duckbill check valve disposed at one end of the connecting tube 22 located in the recycling cavity.

Preferably, referring to fig. 1, an overflow port 211 communicated with the recycling chamber is provided at an upper end of the recycling tank 21, and the overflow port 211 is used for connecting a rainwater pipe network (not shown) so as to discharge excessive rainwater. The overflow port 211 discharges the excessive rainwater when the water in the recycling tank 21 reaches a certain height, thereby ensuring the normal operation of the device.

For better understanding of the present invention, the following detailed description is made with reference to fig. 1-2 to describe the working process of the rainwater recycling device provided by the present invention: when raining, rainwater flows into the collection pool 11 from the water inlet after being filtered by the filter body 12, because rainwater is muddy in the early stage of rainfall, when the PLC 4 detects that the rainwater reaches a set depth through the liquid level meter 13, the sewage valve 112 is opened to discharge the muddy rainwater out of the collection pool 11, the sewage valve 112 is closed again, the collection pool 11 continues to collect the rainwater, the rainwater at the moment is clear, when the rainwater in the collection pool 11 reaches a certain depth, the PLC 4 detects the turbidity of the water in the collection pool 11 through the turbidity detector 14, but when the detected turbidity is lower than the set value, the communication valve 24 is opened, the rainwater in the collection pool 11 enters the reuse pool 21 through the connecting pipe 22, and is filtered again through the filter screen 221 when passing through the connecting pipe 22, and finally the rainwater in the reuse water supply pool 21 is pumped into the water supply network through the water pump 23 to be recycled.

To sum up, the utility model discloses a filter 12 collects the collecting pit 11 after carrying out the prefiltering to the rainwater in, the great rainwater of turbidity of rethread collecting pit 11 sewage mouth 111 at the initial stage of rainfall discharges, lets in retrieval and utilization pond 21 through connecting pipe 22 with the rainwater after the precipitation in the collecting pit 11 after that, recycles in water pump 23 water suction to the water supply network in with retrieval and utilization pond 21 at last. The utility model provides a rainwater recycle device can not only effectively alleviate local area's waterlogging threat, can also be with rainwater recycle, and economy and social are good.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A rainwater recycling device, comprising: a collecting mechanism and a recycling mechanism,

2. The rainwater recycling device according to claim 1, wherein the water inlet is located on the upper end surface of the collecting tank, a top cover matched with the water inlet is arranged at the water inlet, and a plurality of through holes are formed in the top cover;

the filter body includes gravel layer, metalling, concrete layer and vegetable layer permeate water, the gravel layer is laid in the top of top cap, the metalling is laid in the top on gravel layer, the concrete layer that permeates water is laid in the top on metalling, the vegetable layer is laid in the top on concrete layer that permeates water.

3. A rainwater recycling device according to claim 1, wherein a liquid level gauge is provided in said collection chamber.

4. A rainwater recycling device according to claim 3, wherein a turbidity detector is further provided in said collection chamber, and a communication valve is provided in said connection pipe.

5. The rainwater recycling device according to claim 4, further comprising a PLC controller electrically connected to the liquid level meter, the turbidity detector, the communication valve and the sewage valve, respectively.

6. A rainwater recycling device according to claim 1, wherein one end of said connection pipe is provided with a check valve.

7. The rainwater recycling device according to claim 6, wherein said check valve is a duckbill check valve disposed at an end of said connection pipe located within said recycling chamber.

8. The rainwater recycling device according to claim 1, wherein an overflow port communicated with the recycling cavity is arranged at the upper end of the recycling pool.