CN211774469U - A rainwater recycling device - Google Patents

Abstract

The utility model discloses a rainwater recycling device, comprising a collection mechanism and a reuse mechanism. The collection mechanism includes a collection tank and a filter body, the collection tank is arranged below the ground, and the collection tank has the The water inlet communicated with the cavity, the filter body is arranged at the water inlet, the lower end of the pool wall of the collection tank is provided with a sewage port communicated with the collection cavity; the recycling mechanism includes a recycling pool, a connection pipes and pumps. The beneficial effect of the technical scheme proposed by the utility model is that the rainwater is preliminarily filtered by the filter body and then collected into the collection tank, and then the rainwater with high turbidity in the early stage of rainfall is discharged through the sewage outlet, and then the rainwater passing through the collection tank is discharged through the connecting pipe. The precipitation rainwater is passed into the reuse tank, and finally the water in the reuse tank is pumped into the water supply pipe network through the water pump for recycling. The device can not only alleviate the threat of waterlogging in local areas, but also recycle rainwater for good economic and social benefits.

Description

A rainwater recycling device

technical field

The utility model relates to the technical field of rainwater recycling and processing, in particular to a rainwater recycling device.

Background technique

With the continuous development of my country's economy, the process of urbanization has accelerated significantly, and a large number of residents have flocked to cities. However, the construction of urban drainage facilities and the management of stormwater and floods cannot match the speed of urban expansion, and some old communities in the city do not have complete drainage systems. , high gray hardening rate, overloaded pipeline capacity, broken and blocked pipe sections and other reasons lead to a large amount of water on the ground of the community during the rainstorm period. How to recycle the rainwater during the rainstorm period to alleviate the waterlogging of the community and the shortage of water resources in the dry season has become an urgent problem to be solved in today's cities. social focus.

Utility model content

In view of this, it is necessary to provide a rainwater recycling device that can not only alleviate local waterlogging but also make full use of rainwater resources.

A rainwater recycling device, comprising: a collection mechanism and a reuse mechanism,

The collection mechanism includes a collection tank and a filter body, the collection tank is arranged below the ground, the collection tank has a closed collection cavity, the collection tank has a water inlet communicated with the collection cavity, the filter The body is arranged at the water inlet, the lower end of the pool wall of the collection tank is provided with a sewage port communicating with the collection cavity, and a sewage valve is arranged at the sewage port;

The recycling mechanism includes a recycling tank, a connecting pipe and a water pump. The recycling tank has a closed recycling cavity, one end of the connecting pipe is communicated with the collecting cavity, and the other end of the connecting pipe is connected with the The recycling cavity is communicated, the connecting pipe is provided with a filter screen, the inlet of the water pump is communicated with the recycling cavity, and the outlet of the water pump is used to communicate with the water supply pipe network.

Compared with the prior art, the beneficial effect of the technical solution proposed by the utility model is that the rainwater is preliminarily filtered by the filter body and then collected into the collection tank, and the rainwater with high turbidity in the early stage of rainfall is discharged through the sewage outlet of the collection tank. , the rainwater after sedimentation in the collection tank is passed into the reuse tank through the connecting pipe, and finally the water in the reuse tank is pumped into the water supply pipe network through the water pump for recycling. Through the device, not only the threat of waterlogging in local areas can be effectively alleviated, but also the rainwater can be recycled and utilized, and the economic and social benefits are good.

Description of drawings

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

Fig. 2 is a partial enlarged view of area A in Fig. 1;

In the picture: 1-collection mechanism, 2-reuse mechanism, 3-ground, 4-PLC controller, 11-collection tank, 111-sewage outlet, 112-sewage valve, 113-top cover, 12-filter body, 121 - Sand layer, 122- Crushed stone layer, 123- Permeable concrete layer, 124- Vegetation layer, 13- Liquid level gauge, 14- Turbidity detector, 21- Reuse pool, 211- Overflow port, 22- Connection Pipe, 221-screen, 23-water pump, 24-connection valve, 25-check valve, 26-water barrier.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

Referring to FIG. 1 , the present invention provides a rainwater recycling device, including a collection mechanism 1 and a recycling mechanism 2 .

Please refer to FIG. 1 , the collection mechanism 1 includes a collection tank 11 and a filter body 12 , the collection tank 11 is arranged below the ground 3 , the collection tank 11 has a closed collection cavity, and the collection tank 11 has a The water inlet communicated with the collection cavity, the filter body 12 is arranged at the water inlet, the lower end of the pool wall of the collection tank 11 is provided with a sewage port 111 communicated with the collection cavity, the sewage port 111 There is a sewage valve 112 at the place, and the sewage valve 112 is used to control the on-off of the sewage port 111 .

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, the recycling The tank 21 is provided with a water baffle 26, so that the recycling cavity is in a closed state, one end of the connecting pipe 22 is communicated with the collection cavity, and the other end of the connecting pipe 22 is communicated with the recycling cavity, so The connecting pipe 22 is provided with a filter screen 221, the inlet of the water pump 23 is communicated with the recycling cavity, and the outlet of the water pump 23 is used to communicate with the water supply pipe network (not shown), and the water supply pipe network can be non- The drinking water pipe can be, for example, a water supply pipe of a park fountain. In this embodiment, the water supply pipe network is a green irrigation pipe, and the collected rainwater is mainly used for road watering and garden irrigation.

The working process of the rainwater recycling device provided by the present invention is as follows: when it rains, the rainwater flows into the collection tank 11 from the water inlet after being filtered by the filter body 12. Since the rainwater is relatively turbid in the early stage of the rain, the sewage valve is opened after 3 to 5 minutes of rain. 112 The turbid rainwater is discharged into the collection tank 11, and then the sewage valve 112 is closed, and the collection tank 11 continues to collect rainwater. The rainwater at this time is relatively clear. When the rainwater in the collection tank 11 reaches a certain depth, it will enter the return pipe through the connecting pipe 22. The rainwater in the reuse pool 21 is re-filtered by the filter screen 221 when passing through the connecting pipe 22, and finally the rainwater in the reuse pool 21 is pumped into the water supply pipe network by the water pump 23 for recycling.

Further, please refer to FIG. 1 and FIG. 2 , the water inlet is located on the upper end surface of the collection tank 11 , the water inlet is provided with a top cover 113 matched with the water inlet, and the top cover 113 There are several through holes (not shown) on it; the filter body 12 includes a sandstone layer 121, a gravel layer 122, a permeable concrete layer 123 and a vegetation layer 124, and the sandstone layer 121 is laid on the top cover Above 113 , the gravel layer 122 is laid on the sand and gravel layer 121 , the permeable concrete layer 123 is laid on the top of the gravel layer 122 , and the vegetation layer 124 is laid on the permeable concrete layer 123 above. When it rains, the rainwater passes through the vegetation layer 124 , the permeable concrete layer 123 , the gravel layer 122 and the sandstone layer 121 in sequence, and then enters the collection tank 11 after being filtered layer by layer.

Preferably, please refer to FIG. 1 , a liquid level gauge 13 is provided in the collection cavity, and the liquid level gauge 13 is used to detect the depth of rainwater in the collection cavity.

Preferably, please refer to FIG. 2 , a turbidity detector 14 is also arranged in the collection chamber. In this embodiment, the model of the turbidity detector is JY-PTU200, and a communication valve 24 is arranged in the connecting pipe 22 , the communication valve 24 is used to control the on-off of the connecting pipe 22 .

Preferably, please refer to FIG. 1 , the rainwater recycling device provided by the present invention further includes a PLC controller 4, the PLC controller 4 is connected with the liquid level gauge 13, the turbidity detector 14, and the communication valve. 24 and the sewage valve 112 are respectively electrically connected. In this embodiment, the model of the PLC controller 4 is NX-ID5442. It should be pointed out that the PLC controller 4 in this embodiment can be easily implemented through simple programming of PLCs commonly used in the market, and can be easily programmed through PLCs to existing technology, the present utility model does not protect the programming implementation method; of course, in actual use, the rainwater recycling device provided in this embodiment may not be provided with the PLC controller 4, and the communication valve 24 and the sewage valve 112 can be directly controlled manually. The present invention does not limit the opening and closing. For the convenience of understanding, the rainwater recycling device provided with the PLC controller 4 will be described below.

Further, please refer to FIG. 1, one end of the connecting pipe 22 is provided with a one-way valve 25, and the one-way valve 25 is used to restrict the direction of water flow in the connecting pipe 22, thereby preventing the water in the reuse tank 21 from flowing into the collection tank 11 cases arise.

Preferably, please refer to FIG. 1 , the one-way valve 25 is a duckbill check valve, and the duckbill check valve is disposed at one end of the connecting pipe 22 located in the reusing cavity.

Preferably, please refer to FIG. 1 , the upper end of the recycling tank 21 is provided with an overflow port 211 that communicates with the recycling cavity, and the overflow port 211 is used to connect the rainwater pipe network (not shown), so as to discharge Excessive rain. The overflow port 211 discharges excess rainwater when the water in the reuse tank 21 reaches a certain height, thereby ensuring the normal operation of the device.

In order to better understand the present utility model, the working process of the rainwater recycling device provided by the present utility model will be described in detail below in conjunction with Fig. 1-Fig. 2: During rainfall, the rainwater flows into the collection tank 11 from the water inlet after being filtered by the filter body 12. Since the rainwater is turbid in the early stage of the rainfall, when the PLC controller 4 detects that the rainwater reaches the set depth through the liquid level gauge 13, the sewage valve 112 is opened to discharge the turbid rainwater into the collection tank 11, and then the sewage valve 112 is closed, and the collection tank is closed. 11 continues to collect rainwater, the rainwater at this time is relatively clear, when the rainwater in the collection tank 11 reaches a certain depth, the PLC controller 4 detects the turbidity of the water in the collection tank 11 through the turbidity detector 14, but the turbidity is detected. When it is lower than the set value, open the communication valve 24, the rainwater in the collection tank 11 enters the reuse tank 21 through the connecting pipe 22, and is filtered again by the filter screen 221 when passing through the connecting pipe 22, and finally is reused by the water pump 23. The rainwater in the pool 21 is pumped into the water supply pipe network for recycling.

To sum up, the utility model filters the rainwater through the filter body 12 and collects it in the collection tank 11, and then discharges the rainwater with high turbidity in the early stage of rainfall through the sewage outlet 111 of the collection tank 11, and then passes through the connecting pipe. 22 The rainwater after sedimentation in the collection tank 11 is passed into the reuse tank 21, and finally the water in the reuse tank 21 is pumped into the water supply pipe network through the water pump 23 for recycling. The rainwater recycling and utilization device provided by the utility model can not only effectively alleviate the threat of waterlogging in local areas, but also can recycle rainwater for good economic and social benefits.

The specific embodiments of the present invention described above do not limit the protection scope of the present invention. Any other corresponding changes and deformations made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.

Claims (8)

1. 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.

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.

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