CN210086349U

CN210086349U - Sponge urban rainwater collection system

Info

Publication number: CN210086349U
Application number: CN201920412446.3U
Authority: CN
Inventors: 王显锋; 李婷; 毛苗苗
Original assignee: Anhui Boxu New Material Co Ltd
Current assignee: Anhui Boxu New Material Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-02-18
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a sponge city rainwater collection system, it relates to municipal construction technical field. The system comprises a rainwater collecting and filtering device, a rainwater well and a water suction pump, wherein the rainwater collecting and filtering device is installed on the roof of a resident, the rainwater well and the water suction pump are arranged on the ground of a garden area, the rainwater collecting and filtering device is respectively connected with a purified water pipe and a sewage pipe, the sewage pipe extends into the rainwater well, the purified water pipe extends into a water storage tank arranged below the ground, the bottom of the water storage tank is connected with a water inlet of the water suction pump through the water suction pipe, and a water outlet of the water suction pump is connected with a water spray; the lower part of the water purifying pipe is communicated with a first overflow pipe arranged below the ground, the first overflow pipe extends into the rainwater well, one section of a pipe body of the first overflow pipe is communicated through an inverted U-shaped pipe, and the top of the inverted U-shaped pipe is higher than the top surface of the rainwater well. The utility model discloses can not form great pressure to the roof, do not influence the safety of householder in the room, also can not cause the backflow and damage the rainwater on the roof and collect filter equipment.

Description

Sponge urban rainwater collection system

Technical Field

The utility model relates to a municipal construction technical field, concretely relates to sponge city rainwater collection system.

Background

The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes and coping with natural disasters caused by rainwater, and can be called as a water elasticity city; the international generic term "low impact development rain system component". The sponge city can collect rainwater and store water when the rainwater is sufficient, and the collected rainwater is utilized when the water is needed. The ecological roof is an important project in a sponge city, and the roof is relatively convenient to collect rainwater and does not occupy extra space.

In the prior art, a large water collecting tank is placed on the roof for collecting rainwater in some cases, so that the pressure on the roof is high, and the safety of residents in the house is influenced; some utilize rainwater to collect filter equipment and introduce the rainwater on roof to setting up in the water storage box of below ground, but the volume of water storage box is limited after all, in case exceed its holding capacity, then can cause the refluence, damage the rainwater on the roof and collect filter equipment easily, consequently need set up the water storage box in a large number, this kind of way is not only with high costs, and too much water storage box utilization ratio is low excessively in the in-service use process moreover, causes the waste of resource. Therefore, these issues must be considered thoroughly in the design process.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence on the prior art, the utility model provides a sponge city rainwater collection system.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

a sponge urban rainwater collection system comprises a rainwater collection and filtration device installed on a residential roof, a rainwater well and a water suction pump, wherein the rainwater collection and filtration device is arranged on the ground of a garden area; the lower part of the water purifying pipe is communicated with a first overflow pipe arranged below the ground, the first overflow pipe extends into the rainwater well, one section of a pipe body of the first overflow pipe is communicated through an inverted U-shaped pipe, and the top of the inverted U-shaped pipe is higher than the top surface of the rainwater well.

Further, the rainwater is collected filter equipment and is included rainwater collection funnel, the rainwater is collected the funnel and is passed through the support and support, rainwater collection funnel upper portion is equipped with the filter screen, rainwater collection funnel bottom is connected with the precipitation cavity, the opening part that precipitation cavity bottom is equipped with the gate valve is connected the sewage pipe, be equipped with the cartridge filter in the precipitation cavity, the card of cartridge filter top is established rainwater collection funnel bottom opening part, precipitation cavity upper portion is equipped with the second overflow pipe, second overflow pipe sub-unit connection has the filtration cavity, be equipped with the filter layer in the filtration cavity, it connects to filter cavity bottom opening part the water purification pipe.

Further, the upper part of the settling chamber is a cylindrical structure body, and the lower part of the settling chamber is a conical structure body.

Further, the mesh size of the filter cartridge is smaller than the mesh size of the filter screen.

Further, the upper part of the filtering chamber is a cylindrical structure body, and the lower part of the filtering chamber is a conical structure body.

Furthermore, the water pump is arranged in a closed pump cabin.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model collects and filters rainwater and then introduces the rainwater into the water storage tank arranged below the ground in time, thereby not forming large pressure on the roof and not influencing the safety of householders in the house; when the water in the water storage tank is full, rainwater flows into the rainwater well through the first overflow pipe at the lower part of the purified water pipe and then is discharged into the urban rainwater pipe network from the rainwater well, so that the rainwater collecting and filtering device on the roof is not damaged due to backflow, and meanwhile, the inverted U-shaped pipe with the top higher than the top surface of the rainwater well is arranged at one section of the pipe body of the first overflow pipe, so that the problem that the sewage in the rainwater well flows into the water storage tank and influences the water quality in the water storage tank can be avoided.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is the utility model discloses well rainwater is collected filter equipment's structure section.

Description of reference numerals: 1-a rainwater collection and filtration device; 101-a rainwater collection funnel; 102-a scaffold; 103-a filter screen; 104-a precipitation chamber; 105-a gate valve; 106-a filter cartridge; 107-a second overflow tube; 108-a filtration chamber; 109-a filter layer; 2-a water purifying pipe; 201-a first overflow tube; 202-an inverted U-shaped tube; 3-a water storage tank; 4-a sewage pipe; 5-catch basin; 6-a water pumping pipe; 7-a water pump; 8-water spray pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 and 2, the sponge urban rainwater collection system of the present invention comprises a rainwater collection and filtration device 1 installed on the roof of a residential building, a rainwater well 5 and a water pump 7 installed on the ground of a garden area, wherein the rainwater collection and filtration device 1 is connected with a clean water pipe 2 and a sewage pipe 4 respectively, the sewage pipe 4 extends into the rainwater well 5, the clean water pipe 2 extends into a water storage tank 3 arranged below the ground, the bottom of the water storage tank 3 is connected with the water inlet of the water pump 7 through the water pump pipe 6, the water outlet of the water pump 7 is connected with a water spray pipe 8, preferably, the water pump 7 is arranged in a closed pump cabin, so as to protect the water pump 7 from being damaged by rainwater and prolong the service life thereof; the lower part of the water purifying pipe 2 is communicated with a first overflow pipe 201 arranged below the ground, the first overflow pipe 201 extends into the rainwater well 5, one section of a pipe body of the first overflow pipe 201 is communicated through an inverted U-shaped pipe 202, and the top of the inverted U-shaped pipe 202 is higher than the top surface of the rainwater well 5, so that the problem that sewage in the rainwater well 5 flows into the water storage tank 3 to influence the water quality in the water storage tank 3 can be avoided.

As shown in fig. 3, the rainwater collecting and filtering device comprises a rainwater collecting funnel 101, the rainwater collecting funnel 101 is supported by a support 102, a filter screen 103 is arranged at the upper part of the rainwater collecting funnel 101, and a settling chamber 104 is connected to the bottom of the rainwater collecting funnel 101, preferably, the upper part of the settling chamber 104 is a cylindrical structure body, and the lower part of the settling chamber is a conical structure body, which is beneficial to accelerating the settling speed of rainwater; the opening of the bottom of the settling chamber 104, which is provided with the gate valve 105, is connected with the sewage pipe 4, so that sediments are conveniently cleaned and discharged in the later period, a filter cylinder 106 is arranged in the settling chamber 104, the top of the filter cylinder 106 is clamped at the opening of the bottom of the rainwater collection funnel 101, and preferably, the mesh size of the filter cylinder 106 is smaller than that of the filter screen 103, so that gradient filtration and double guarantee can be formed; a second overflow pipe 107 is arranged at the upper part of the sedimentation chamber 104, the lower part of the second overflow pipe 107 is connected with a filtering chamber 108, a filtering layer 109 is arranged in the filtering chamber 108, and the opening at the bottom of the filtering chamber 108 is connected with a purified water pipe 2; preferably, the filtering chamber 108 has a cylindrical structure at the upper part and a conical structure at the lower part, which is favorable for the outflow speed of filtered rainwater.

According to the above structure, the rainwater falls into the rainwater collection funnel 101, the filter screen 103 on the upper part of the rainwater collection funnel 101 can intercept large-volume falling objects such as leaves under the condition that rainwater flows in without influence, the filter cartridge 106 in the precipitation chamber 104 can intercept small-volume falling objects, the rainwater can improve the water quality after the precipitation of the precipitation chamber 104, the cleaner rainwater overflows into the filter chamber 108 from the second overflow pipe 107 on the upper part of the precipitation chamber 104, and the rainwater flows into the water storage tank 3 for standby through the water purification pipe 2 after passing through the adsorption filter layer 109.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a sponge city rainwater collection system which characterized in that: the rainwater collection and filtration device is connected with a purified water pipe and a sewage pipe respectively, the sewage pipe extends into the rainwater well, the purified water pipe extends into a water storage tank arranged below the ground, the bottom of the water storage tank is connected with a water inlet of the water suction pump through a water suction pipe, and a water outlet of the water suction pump is connected with a water spray pipe; the lower part of the water purifying pipe is communicated with a first overflow pipe arranged below the ground, the first overflow pipe extends into the rainwater well, one section of a pipe body of the first overflow pipe is communicated through an inverted U-shaped pipe, and the top of the inverted U-shaped pipe is higher than the top surface of the rainwater well.

2. The sponge urban rainwater collection system of claim 1, wherein: the rainwater is collected filter equipment and is included rainwater collection funnel, rainwater collection funnel passes through the support and supports, rainwater collection funnel upper portion is equipped with the filter screen, rainwater collection funnel bottom is connected with the precipitation cavity, the opening part that precipitation cavity bottom is equipped with the gate valve is connected the sewage pipe, be equipped with the cartridge filter in the precipitation cavity, the card of cartridge filter top is established rainwater collection funnel bottom opening part, precipitation cavity upper portion is equipped with the second overflow pipe, second overflow pipe sub-unit connection has the filtration cavity, be equipped with the filter layer in the filtration cavity, it connects to filter cavity bottom opening part the water purification pipe.

3. The sponge urban rainwater collection system of claim 2 wherein: the upper part of the settling chamber is a cylindrical structure body, and the lower part of the settling chamber is a conical structure body.

4. The sponge urban rainwater collection system of claim 3 wherein: the mesh size of the filter cartridge is smaller than that of the filter screen.

5. The sponge urban rainwater collection system of claim 2 wherein: the upper part of the filtering chamber is a cylindrical structure body, and the lower part of the filtering chamber is a conical structure body.

6. The sponge urban rainwater collection system of claim 1, wherein: the water suction pump is arranged in a closed pump cabin.