CN202122876U - Rainwater recycling system - Google Patents

Abstract

The utility model discloses a rainwater recovery and utilization system, which comprises a primary filter directly connected to a rainwater pipe, and the rainwater filtered by the primary filter is recycled to a water storage tank, and the water storage tank is connected to an intermediate filter. The primary filter includes a stainless steel pipe, the stainless steel pipe is provided with a top cover, and the stainless steel pipe has a built-in stainless steel filter screen. The stainless steel pipe includes a horizontal pipe, a sewage pipe, and a recovery pipe. The horizontal pipe is connected to a rainwater pipe. The sewage pipeline is connected to the sewer, the recovery pipeline is connected to the water storage tank, and the water storage tank has a built-in float valve, the pipeline downstream of the water storage tank is connected to the intermediate filter, and the pipeline downstream of the intermediate filter is A water pump is connected, and the pipeline downstream of the water pump is divided into three paths: a washing pipeline, an irrigation pipeline and a toilet flushing pipeline. The utility model is simple in installation and operation, convenient in use, and achieves the purpose of saving water through multi-stage filtration.

Description

A rainwater recycling system

technical field

The utility model relates to water treatment technology, in particular to a water resource recycling device for rainwater on a household roof, in particular to a rainwater recycling system.

Background technique

Water is the most precious resource for human beings, but due to human waste and pollution, clean water sources are becoming less and less. Rainwater, as a stage of the water vapor cycle in the atmospheric environment, can be regarded as a renewable resource to some extent. Rainwater recycling plays an important role in environmental protection, low-carbon energy saving, and building a conservation-oriented society. However, since rainwater contains more impurities and may be polluted when it condenses in the air, the value of its direct recycling is not high.

Residential houses are all built with rainwater pipes from the roof to the sewer at present, and the rainwater that falls is directly introduced into the sewer. In today's increasingly scarce water resources, directly draining rainwater into the sewer is also a waste of resources to some extent. The rainwater that has been simply treated, even if it does not meet the drinking water standard, can still be used for car washing, toilet flushing, irrigation of garden plants or community greening, and outdoor tool washing requirements.

Utility model content

The purpose of the utility model is to provide a rainwater recycling system, which solves the technical problems of removing impurities and dirt in the rainwater collection process in the prior art.

The utility model is achieved through the following technical solutions:

A rainwater recovery and utilization system, comprising a primary filter directly connected to the rainwater pipe, the rainwater filtered by the primary filter is recycled to a water storage tank, the water storage tank is connected to an intermediate filter, and the primary filter includes A stainless steel pipe, the top of the stainless steel pipe is provided with a top cover, the stainless steel pipe has a built-in stainless steel filter, the stainless steel pipe includes a horizontal pipe, a sewage pipe, and a recovery pipe, the horizontal pipe is connected to the rainwater pipe, and the sewage pipe is connected to the sewer, The recovery pipeline is connected to the water storage tank, the water storage tank has a built-in float valve, the pipeline downstream of the water storage tank is connected to the intermediate filter, and the pipeline downstream of the intermediate filter is connected to a water pump. The control switch of the water pump is linked with the float valve, and the pipeline downstream of the water pump is divided into three paths: a washing pipeline, an irrigation pipeline and a toilet flushing pipeline.

Preferably, the shape of the stainless steel screen is designed to be tapered, and the recovery pipeline is divided into a pipeline designed to diverge around the periphery of the stainless steel screen and a horizontal pipeline connected to the water storage tank, The bottom center of the stainless steel screen is connected to the sewage pipe.

Preferably, a sewage outlet is provided at the bottom of the water storage tank, and the sewage outlet communicates with the sewer.

Preferably, the intermediate filter includes a primary filter, a secondary filter, and a tertiary filter. The primary filter uses a 50 μm coarse filter element as the filter medium, and the secondary filter uses a 20 μm fine filter element. The filter element is used as a filter medium, and the three-stage filter adopts a block activated carbon filter element as a filter medium.

Preferably, the sewage filtered by the primary filter, the secondary filter and the tertiary filter is discharged into the sewer through a water pipe.

Preferably, an overflow pipe is provided on the water storage tank, and the overflow pipe is connected to the sewer.

Filtration principle of the utility model: the rainwater recycling system of the utility model can carry out primary filtration on the rainwater of the house before falling into the sewer through the rainwater pipe. Use the primary filter to filter out relatively large impurities, such as leaves, small stones, etc. The filtered rainwater is then recycled to a storage tank. At the same time, the filtered impurities are discharged into the sewer. The stainless steel mesh of the primary filter prevents rust and is easy to replace and clean.

The water storage tank can precipitate rainwater, and the sewage outlet at the bottom of the water storage tank facilitates the cleaning of the water storage tank. The float valve in the water storage tank is linked with the control switch of the water pump, which can protect and control the water pump on the downstream pipeline. When the liquid level is too low, the water pump cannot be started.

When the collected rainwater needs to be used, the rainwater in the liquid storage tank enters the first, second, and third-stage filters in turn through the pipeline. The first, second, and third-stage filters can remove tiny impurities and odors in the water, and the water pump can provide corresponding power , to achieve the purpose of car washing, toilet flushing, irrigation and so on.

Beneficial effects: the utility model is simple to install and operate, convenient to use, and achieves the purpose of saving water through multi-stage filtration.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic diagram of the pipeline structure of an embodiment of the present invention.

Fig. 2 is a structural schematic diagram of a primary filter of an embodiment of the present invention.

Drawings: 1. Rainwater drainage pipe, 2. Horizontal pipe, 3. Top cover, 4. Sewage pipe, 5. Recovery pipe, 6. Water storage tank, 7. Float valve, 8. Sewage outlet, 9. Overflow pipe , 10. Primary filter, 11. Secondary filter, 12. Tertiary filter, 13. Water pump, 14. Washing pipeline, 15. Irrigation pipeline, 16. Toilet flushing pipeline, 17. Sewer, 18. Stainless steel filter net.

Detailed ways

Below in conjunction with accompanying drawing the embodiment of the present utility model is described in detail: present embodiment is carried out under the premise of technical solution of the present utility model, has provided detailed embodiment and concrete operation process, but protection scope of the present utility model It is not limited to the following examples.

Example:

As shown in Figure 1 and Figure 2, the figure includes a primary filter directly connected to the rainwater pipe 1, the primary filter can perform primary filtration of rainwater, and filter out relatively large impurities, such as leaves and small stones. The rainwater filtered by the primary filter is recycled to a water storage tank 6, and the water storage tank 6 is connected to the intermediate filter. The primary filter includes a stainless steel pipe, the top of which is provided with a top cover 3, and the stainless steel pipe has a built-in stainless steel filter 18, and the stainless steel pipe includes a horizontal pipe 2, a sewage pipe 4, and a recovery pipe 5, and the horizontal pipe 2 is connected to a rainwater pipe 1. The center of the bottom of the stainless steel filter screen 18 is connected to the sewage pipe 4, and the sewage pipe 4 is connected to the sewer 17, and the filtered impurities are discharged into the sewer 17. The shape of the stainless steel screen 18 is designed to taper, and the recovery pipeline 5 is divided into a pipeline that is designed to gradually expand around the stainless steel screen 18 and a horizontal pipeline that is connected to the water storage tank 6 . The primary filter is simple in structure, and the top cover 3 above the stainless steel filter screen 18 can be disassembled, which is convenient for replacing the filter screen and cleaning.

The primary filter directly connected to the rainwater pipe 1 needs to be connected to the vertical rainwater pipe through a horizontal pipe 2, so that the rainwater can flow horizontally into the side of the primary filter, and under the action of gravity and centrifugal force, it will flow in the primary filter. In this way, the tapered stainless steel filter screen in the filter filters the rainwater, and the larger debris will pass through the sewage pipe 4 in the center of the pipe and fall into the sewer 17. The filtered rainwater will It flows into the water storage tank 6 through the recovery pipe 5 on the side.

The recovery pipeline 5 is connected to the water storage tank 6, which can precipitate rainwater, and the bottom of the water storage tank 6 has a sewage outlet 8. After working for a long time, the bottom of the liquid storage tank 6 will have tiny sand or silt deposits, and the sewage outlet 8 is convenient for the cleaning of the water storage tank. The water storage tank 6 is built with a float valve 7, and the top of the water storage tank 6 is equipped with an observation port, which can protect and control the water pump 13 on the downstream pipeline. When the liquid level is too low, the water pump 13 cannot be started. The water storage tank 6 is provided with an overflow pipe 9, which is connected to the sewer 17. When the water level in the water storage tank 6 reaches a certain height, rainwater will flow into the sewer 17 through the overflow pipe 9.

The pipeline connected to the water outlet of the water storage tank 6 is connected to an intermediate filter. The intermediate filter includes a primary filter 10, a secondary filter 11, and a tertiary filter 12. The primary filter 10 uses a 50 μm coarse filter element as a filter. Media, the secondary filter 11 uses a 20 μm fine filter element as the filter medium, and the tertiary filter 12 uses a block activated carbon filter element as the filter medium. After these three stages of filtration, not only can it effectively intercept impurities larger than 20μm in particle size, but at the same time, the activated carbon filter can effectively remove organic matter, residual chlorine and other radioactive substances in water, and has the effect of decolorization and odor removal. Such filters and filter elements are simple in structure, easy to purchase and easy to maintain. The sewage filtered by the primary filter 10, the secondary filter 11 and the tertiary filter 12 is discharged into the sewer 17 through the water pipe.

A water pump 13 is arranged on the pipeline downstream of the intermediate filter, and the control switch of the water pump 13 is linked with the float valve 7 . The pipeline downstream of the water pump is divided into three lines: washing pipeline 14, irrigation pipeline 15 and toilet flushing pipeline 16. After filtering, the water pump 13 is used to pressurize the water, which can be used for car washing, irrigation, and even toilet flushing, thereby saving water the goal of.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A rainwater recycling system, comprising a primary filter directly connected to the rainwater pipe, characterized in that the rainwater filtered by the primary filter is reclaimed to a water storage tank, and the water storage tank is connected to an intermediate filter, The primary filter includes a stainless steel pipe, the top of the stainless steel pipe is provided with a top cover, and the stainless steel pipe has a built-in stainless steel filter screen. The stainless steel pipe includes a horizontal pipe, a sewage pipe, and a recovery pipe. The horizontal pipe is connected to a rainwater pipe. The sewage pipeline is connected to the sewer, the recovery pipeline is connected to the water storage tank, and the water storage tank has a built-in float valve, the pipeline downstream of the water storage tank is connected to the intermediate filter, and the pipeline downstream of the intermediate filter A water pump is connected to the top, the control switch of the water pump is linked with the float valve, and the pipeline downstream of the water pump is divided into three paths: a washing pipeline, an irrigation pipeline and a toilet flushing pipeline. 2. A rainwater recycling system according to claim 1, characterized in that, the shape of the stainless steel filter screen is designed to be tapered, and the recovery pipeline is divided into a design that is tapered around the periphery of the stainless steel filter screen. Expanded pipes and horizontal pipes connected to the water storage tank, the bottom center of the stainless steel screen is connected to the sewage pipe. 3 . The rainwater recycling system according to claim 1 , wherein a sewage outlet is provided at the bottom of the water storage tank, and the sewage outlet communicates with the sewer. 4 . 4. A rainwater recycling system according to claim 1, wherein the intermediate filter comprises a primary filter, a secondary filter, and a tertiary filter, and the primary filter adopts a 50 μm The coarse filter element is used as a filter medium, the secondary filter adopts a 20 μm fine filter element as a filter medium, and the third-stage filter adopts a block activated carbon filter element as a filter medium. 5 . The rainwater recycling system according to claim 1 , wherein the sewage filtered by the first-stage filter, the second-stage filter, and the third-stage filter is discharged into the sewer through a water pipe. 6 . The rainwater recycling system according to claim 1 , wherein an overflow pipe is provided on the water storage tank, and the overflow pipe is connected to the sewer.

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