CN216275931U

CN216275931U - Rainwater recycling system

Info

Publication number: CN216275931U
Application number: CN202121713362.7U
Authority: CN
Inventors: 陈�胜; 徐佳能; 廖榆; 倪汝贤; 孙靖宜; 冯忠强; 付余波; 张微涵; 张柳; 刘程
Original assignee: China Huashi Enterprises Co Ltd
Current assignee: China Huashi Enterprises Co Ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-04-12
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to the technical field of building water treatment facilities, and discloses a rainwater recycling system which comprises a rainwater bin used for collecting and storing rainwater, wherein the rainwater bin is communicated with a filter through a pipeline, the water outlet end of the filter is communicated with a clean water tank used for storing clean water, and the water outlet pipe of the clean water tank is connected to a reuse water pipe network. Systematized and large-scale, has large collected rainfall and high recycling value, and has great popularization value and wide application prospect.

Description

Rainwater recycling system

Technical Field

The utility model relates to the technical field of building water treatment facilities, in particular to a rainwater recycling system.

Background

In the technical field of building water treatment facilities, the recycling of rainwater has become more and more common in the industry, because China is a country with shortage of water resources and frequent flood, waterlogging and drought disasters, the population accounts for 22 percent of the world population, the fresh water accounts for only 8 percent, and the water resource amount occupied by the population is only 2500m³In one year, the water resource is about 1/4 which is occupied by people in the world, and not only is the water resource in China short, but also the space-time distribution is uneven, and the contradiction between water resource supply and demand in northern areas is particularly prominent.

In cities and towns, surface runoff is wasted, or the surface runoff enters a sewer to become sewage due to factors such as hardening of the ground, less vegetation and the like, so that the sewage treatment is more troublesome, and the conventional small rainwater collecting device is difficult to popularize and implement in a large scale and in a standardized way.

Therefore, a systematic and large-scale rainwater collecting and recycling system with large rainwater collecting amount and high recycling value is needed in the technical field of building water treatment facilities.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a systematic and large-scale rainwater recycling system with large collected rainfall and high recycling value.

The utility model is realized by the following technical scheme:

a rainwater recycling system comprises a rainwater bin used for collecting and storing rainwater, wherein the rainwater bin is communicated with a filter through a pipeline, the water outlet end of the filter is communicated with a clean water tank used for storing clean water, and the water outlet pipe of the clean water tank is connected into a reuse water pipe network.

Furthermore, a lifting pump is arranged between the rainwater bin and the filter.

Furthermore, the lift pump is a two-stage series pump set.

Furthermore, a variable frequency pump is arranged on a pipeline of the clean water tank leading to the reuse water pipe network.

Furthermore, the variable frequency pump is a two-stage series pump set.

Furthermore, a constant pressure tank is arranged between the output end of the variable frequency pump and the reuse water pipe network and used for adjusting the pressure of water conveyed to the reuse water pipe network.

Furthermore, a pipeline of the clean water tank leading to the reuse water pipe network is also provided with an irradiation sterilizer capable of sterilizing and inactivating the water body.

Furthermore, the rainwater bin is communicated with the rainwater collecting pipe network through a rainwater collecting pipe.

Furthermore, a rainwater pretreatment subsystem is further arranged on a passage between the rainwater collecting pipe and the rainwater bin.

Further, the rainwater pretreatment subsystem comprises one or more of a safety diversion well, a sewage interception basket hanging well and a abandon flow filter well.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the utility model discloses a rainwater recycling system which comprises a rainwater bin used for collecting and storing rainwater, wherein the rainwater bin is communicated with a filter through a pipeline, the water outlet end of the filter is communicated with a clean water tank used for storing clean water, and the water outlet pipe of the clean water tank is connected to a reuse water pipe network. Systematized and large-scale, has large collected rainfall and high recycling value, and has great popularization value and wide application prospect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the overall structure of the present invention;

FIG. 3 is a schematic view of the process of the present invention.

Reference numbers and corresponding part names in the drawings:

1-rainwater collecting pipe, 21-safe flow-dividing well, 22-sewage-intercepting hanging basket well, 23-abandon flow filtering well, 3-rainwater bin, 4-lift pump, 5-filter, 6-clear water tank, 7-variable frequency pump, 8-constant pressure tank and 9-irradiation sterilizer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

A rainwater recycling system comprises a rainwater bin 3 used for collecting and storing rainwater, wherein the rainwater bin 3 is communicated with a filter 5 through a pipeline, the water outlet end of the filter 5 is communicated with a clean water tank 6 used for storing clean water, and the water outlet pipe of the clean water tank 6 is connected to a reuse water pipe network.

Further, a lift pump 4 is arranged between the rainwater bin 3 and the filter 5.

Further, the lift pump 4 is a two-stage series pump set.

Furthermore, a variable frequency pump 7 is arranged on a pipeline of the clean water tank 6 leading to the reuse water pipe network.

Further, the variable frequency pump 7 is a two-stage series pump set.

Further, a constant pressure tank 8 is arranged between the output end of the variable frequency pump 7 and the reuse water pipe network, and the constant pressure tank 8 is used for adjusting the pressure of water bodies transported to the reuse water pipe network.

Furthermore, a pipeline of the clean water tank 6 leading to the reuse water pipe network is also provided with an irradiation sterilizer 9 which can sterilize and inactivate the water body.

Further, the rainwater bin 3 is communicated with a rainwater collecting pipe network through a rainwater collecting pipe 1.

Furthermore, a rainwater pretreatment subsystem is arranged on a passage between the rainwater collecting pipe 1 and the rainwater bin 3.

Further, the rainwater pretreatment subsystem comprises one or more of a safety diversion well 21, a sewage interception basket well 22 and a abandon flow filter well 23.

It is emphasized that the rainwater of the scheme is mainly recycled for greening watering, road surface and garage washing and the like, so that the drinking standard does not need to be met, and particularly, the rainwater quality (after initial flow abandoning) is collected: the COD is 70-100 mg/L, SS is 20-40 mg/L, the chroma is 10-40 degrees, and the COD and SS indexes of the treated rainwater meet the following table:

the collected rainwater is intercepted by the automatic flow abandoning and filtering device at first, runoff at the early stage of rainfall is intercepted, the thickness of the runoff can be set according to the quality of the rainwater, when the intercepted water amount reaches a set value, the flow abandoning is finished, and the rainwater enters the water storage tank; a rainwater lifting pump is arranged outside the rainwater storage tank, so that rainwater is lifted to a 3P distributed rainwater processor for processing, and the processed water automatically flows into a clear water tank; the clean water is pressurized by a clean water pump in the clean water tank and is supplied to a reuse water pipe network after being disinfected by an ultraviolet disinfector. The waste rainwater of the automatic waste filtering device is discharged into a rainwater pipe network, and the discharged mud water in the rainwater storage tank is discharged into a sewage pipe network. Wherein the effective volume V of the rainwater bin₁＝60m³Effective volume V of clean water tank₂＝8m³。

It is noted that, herein, relational terms such as first and second, and the like may be 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.

It will be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the utility model, and do not indicate or imply that the components or mechanisms so referred to must be in a particular orientation, constructed and operated in a particular orientation, and thus are not to be considered as limiting the utility model.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The rainwater recycling system is characterized by comprising a rainwater bin (3) used for collecting and storing rainwater, wherein the rainwater bin (3) is communicated with a filter (5) through a pipeline, the water outlet end of the filter (5) is communicated to a clean water tank (6) used for storing clean water, and the water outlet pipe of the clean water tank (6) is connected to a reuse water pipe network; the rainwater bin (3) is communicated with a rainwater collecting pipe network through a rainwater collecting pipe (1); and a rainwater pretreatment subsystem is further arranged on a passage between the rainwater collecting pipe (1) and the rainwater bin (3).

2. A rainwater recycling system according to claim 1, characterized in that a lift pump (4) is provided between the rainwater tank (3) and the filter (5).

3. A rainwater recycling system according to claim 2, characterized in that said lift pump (4) is a two-stage series pump set.

4. A rainwater recycling system according to claim 1, characterized in that a variable frequency pump (7) is arranged on the pipeline of said clear water tank (6) to the reuse water pipe network.

5. A rainwater recycling system according to claim 4, characterized in that said variable frequency pump (7) is a two-stage series pump set.

6. A rainwater recycling system according to claim 4, characterized in that a constant pressure tank (8) is further arranged between the output end of the variable frequency pump (7) and the reuse water pipe network, and the constant pressure tank (8) is used for adjusting the pressure of the water body transported to the reuse water pipe network.

7. A rainwater recycling system according to claim 1, characterized in that the pipeline of said clear water tank (6) to the reuse water pipe network is further provided with a radiation sterilizer (9) for sterilizing and inactivating the water.

8. A stormwater reclamation system as claimed in claim 1, wherein the stormwater pretreatment subsystem comprises one or more of a safety diverter well (21), a catch basket well (22), a reject filter well (23).