Urban rainwater collection and utilization system

Abstract

The utility model relates to rainwater collection, and particularly discloses an urban rainwater collection and utilization system which comprises a sewer line, a drainage pipe communicated with the upper side of the sewer line, a water storage device arranged on the inner top wall of the sewer line, a water collection device arranged on the inner wall of the drainage pipe and a connecting pipe used for connecting the water storage device and the water collection device. The water collecting device comprises a hollow water collecting plate attached to the inner wall of the drainage pipe and a water collecting hole formed in the side, away from the drainage pipe, of the water collecting plate. The connecting pipe communicates with the lower end of the water collecting plate; and the water storage device is arranged obliquely below the water collecting plate. The urban rainwater collection and utilization system disclosed by the utility model can be directly mounted in the existing sewer line, and the occupied field can be reduced while the rainwater is collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to rainwater collection's technical field, specifically, it relates to a kind of urban rainwater collection and utilization system. BACKGROUND

[0002] As a key element in water cycle system, rainwater plays an important role in the process of building sustainable water cycle system in city. Most of the rainwater in city flows into various rivers through sewer, and is not fully utilized.

[0003] Therefore, some devices for rainwater collection and utilization are also produced, such as CN105350607A urban rainwater collection and recycling system, CN219315879U urban rainwater collection device, a rainwater collection device based on sponge city, etc. These devices can effectively collect rainwater and fully utilize it, but they are large devices themselves, and their installation requires occupying a certain space on the ground, which is high in cost. Therefore, a device that can not only collect rainwater but also occupy less space can be designed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of urban rainwater collection and utilization system, which can be directly installed in existing sewer pipe, and can reduce the occupation of site while collecting rainwater.

[0005] The utility model realizes the following technical scheme: the urban rainwater collection and utilization system of the utility model, including sewer pipe, drain pipe communicated with the upper side of the sewer pipe, water storage device arranged on the inner top wall of the sewer pipe, water collecting device arranged on the inner wall of the drain pipe, and connecting pipe for connecting the water storage device and the water collecting device;The water collecting device includes hollow water collecting plate attached to the inner wall of the drain pipe, and water collecting hole opened on the side of the water collecting plate away from the drain pipe;The connecting pipe is communicated with the lower end of the water collecting plate;The water storage device is arranged obliquely below the water collecting plate.

[0006] Further, the side of the water collecting plate close to the drain pipe is arc-shaped and attached to the inner wall of the drain pipe.

[0007] Further, the thickness of the upper end of the water collecting plate is less than that of the lower end.

[0008] Further, the water collecting plate is internally provided with filter cotton.

[0009] Further, the upper end of the water collecting plate is provided with first fixing ring, and first bolt is inserted in the first fixing ring.

[0010] Further, the water storage device comprises a plurality of arc-shaped support rods attached to the inner top wall of the sewer pipe, a plurality of connecting rods for connecting the support rods, and a water storage bag fixed to the lower side of the support rods; the support rods are distributed along the length direction of the sewer pipe, and the connecting rods are distributed along the circumferential direction of the sewer pipe.

[0011] Further, the side wall of the connecting rod is provided with a plurality of second fixing rings, and a second bolt is inserted into the second fixing ring.

[0012] Further, the water storage device further comprises a water outlet pipe arranged in the water storage bag; one end of the water outlet pipe is arranged at the inner lower end of the water storage bag, and the other end of the water outlet pipe penetrates through the water storage bag and extends outward.

[0013] Further, the part of the water outlet pipe arranged in the water storage bag is provided with a plurality of water outlet holes.

[0014] The urban rainwater collecting and utilizing system has at least the following advantages and beneficial effects: the urban rainwater collecting and utilizing system is installed in the existing drainage pipe and sewer pipe of the urban pipeline during use, rainwater flows into the sewer pipe through the drainage pipe, in the process, part of the rainwater flowing through the wall of the drainage pipe flows into the water collecting plate through the water collecting holes on the water collecting plate, and then flows into the water storage device through the connecting pipe for temporary storage, the water storage device can be connected with the water pumping pipe, and then the water in the water storage device can be pumped out for use. The installation of the water collecting device does not affect and block the original drainage function of the drainage pipe, and the water storage device does not affect the normal flow of water in the sewer pipe. Therefore, the device can be installed for collecting rainwater and effectively utilizing the rainwater without affecting the normal use of the urban sewer pipe, and since the device does not need to be arranged on the ground, the space of the ground is not occupied. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a structure schematic view of a one-view angle of the urban rainwater collecting and utilizing system provided by the embodiment of the present application;

[0016] Figure 2 FIG. 2 is a structure schematic view of a two-view angle of the urban rainwater collecting and utilizing system provided by the embodiment of the present application;

[0017] Figure 3 FIG. 3 is a structure schematic view of the water storage device provided by the embodiment of the present application.

[0018] Icon: 11 - sewer pipe, 12 - drain pipe, 20 - water collecting device, 21 - water collecting plate, 22 - first fixing ring, 23 - water collecting hole, 24 - connecting pipe, 25 - filter cotton, 30 - water storage device, 31 - supporting plate, 32 - connecting plate, 33 - water storage bag, 34 - second fixing ring, 35 - water outlet pipe, 36 - water outlet hole. DETAILED DESCRIPTION

[0019] EMBODIMENT

[0020] The following will be further illustrated in combination with specific embodiments, as shown in the accompanying drawings Figure 1 - the accompanying drawings Figure 3 The urban rainwater collecting and utilizing system of the embodiment includes a sewer pipe 11, a drain pipe 12 in communication with the upper side of the sewer pipe 11, a water storage device 30 arranged on the top wall of the sewer pipe 11, a water collecting device 20 arranged on the inner wall of the drain pipe 12, and a connecting pipe 24 connecting the water storage device 30 and the water collecting device 20; the water collecting device 20 includes a hollow water collecting plate 21 arranged on the inner wall of the drain pipe 12, and a water collecting hole 23 arranged on the side of the water collecting plate 21 away from the drain pipe 12; the connecting pipe 24 is in communication with the lower end of the water collecting plate 21; and the water storage device 30 is arranged obliquely below the water collecting plate 21. Specifically, in use, the device is installed in the existing drain pipe 12 and sewer pipe 11 of the urban pipeline, rainwater flows into the sewer pipe 11 through the drain pipe 12, in the process, part of the rainwater flowing through the wall of the drain pipe 12 flows into the water collecting plate 21 through the water collecting hole 23 on the water collecting plate 21, and then flows into the water storage device 30 through the connecting pipe 24 for temporary storage. A water pumping pipe can be connected with the water storage device 30, and then the water in the water storage device 30 can be pumped out for use. The installation of the water collecting device 20 does not affect and block the original drainage function of the drain pipe 12, and the water storage device 30 does not affect the normal flow of water in the sewer pipe 11. Therefore, the device can be installed for collecting rainwater and effectively utilizing the rainwater without affecting the normal use of the urban sewer pipe 11, and since the device does not need to be arranged on the ground, it does not occupy the space of the ground.

[0021] In the embodiment, the side of the water collecting plate 21 close to the drain pipe 12 is arc-shaped and arranged on the inner wall of the drain pipe 12. Specifically, in this way, the space of the drain pipe 12 can be better utilized, the occupation of the drain pipe 12 by the water collecting plate 21 is reduced, and the risk of blocking the drain pipe 12 is reduced.

[0022] In the embodiment, the thickness of the upper end of the water collecting plate 21 is less than the thickness of the lower end. Specifically, in this way, the contact area of the water collecting plate 21 in the drain pipe 12 with rainwater is larger, and rainwater can better enter the water collecting plate 21.

[0023] The water collecting plate 21 in the embodiment is internally provided with filter cotton 25. Specifically, the filter cotton 25 can preliminarily and simply filter the rainwater.

[0024] The upper end of the water collecting plate 21 in the embodiment is provided with a first fixing ring 22, and a first bolt is inserted into the first fixing ring 22. Specifically, the first bolt is screwed into the inner wall of the drain pipe 12, so as to fix the water collecting plate 21.

[0025] The water storage device 30 in the embodiment includes a plurality of arc-shaped support rods which are attached to the inner top wall of the sewer pipe 11, a plurality of connecting rods which are used to connect the plurality of support rods, and a water storage bag 33 which is fixed to the lower side of the support rod; the plurality of support rods are distributed along the length direction of the sewer pipe 11, and the plurality of connecting rods are distributed along the circumferential direction of the sewer pipe 11. Specifically, by fixing the support rods and the connecting rods on the inner top wall of the sewer pipe 11, the water storage bag 33 can be hung on the inner top of the sewer pipe 11, so as to avoid affecting the normal flow of water in the sewer pipe 11.

[0026] The side wall of the connecting rod in the embodiment is provided with a plurality of second fixing rings 34, and a second bolt is inserted into the second fixing ring 34. Specifically, by screwing the second bolt into the inner wall of the sewer pipe 11, the support rods and the connecting rods can be fixed on the inner wall of the sewer pipe 11.

[0027] The water storage device 30 in the embodiment further includes a water outlet pipe 35 which is arranged in the water storage bag 33; the water outlet pipe 35 is arranged at the inner lower end of the water storage bag 33, and one end of the water outlet pipe 35 penetrates through the water storage bag 33 and extends outward. The part of the water outlet pipe 35 arranged in the water storage bag 33 is provided with a plurality of water outlet holes 36. Specifically, the water outlet pipe 35 can be used to discharge and use the water in the water storage bag 33, and can also be used to connect adjacent water storage bags 33. The water outlet pipe 35 can be extended to the ground above the sewer pipe 11 by drilling holes in the wall of the sewer pipe 11, so as to facilitate water use, or the water outlet pipe 35 can be directly extended to the ground by penetrating through the drain pipe 12, and the specific method can be adjusted according to the actual environment.

[0028] In summary, the urban rainwater collecting and utilizing system of the embodiment is installed in the existing drain pipe 12 and sewer pipe 11 in use, rainwater flows into the sewer pipe 11 through the drain pipe 12, in the process, part of the rainwater flowing through the wall of the drain pipe 12 flows into the water collecting plate 21 through the water collecting holes 23 on the water collecting plate 21, and then flows into the water storage device 30 through the connecting pipe 24 for temporary storage, a water pumping pipe can be connected with the water storage device 30, and then the water in the water storage device 30 is pumped out for use. The installation of the water collecting device 20 does not affect and block the original drainage function of the drain pipe 12, and the water storage device 30 does not affect the normal flow of water in the sewer pipe 11. Therefore, the device can be installed for collecting rainwater and effectively utilizing the rainwater without affecting the normal use of the urban sewer pipe 11, and since the device does not need to be arranged on the ground, the space of the ground is not occupied.

[0029] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A system for collecting and utilizing urban rainwater, comprising a sewer pipe (11), and a drain pipe (12) communicating with the upper side of the sewer pipe (11), characterized in that: The water storage device (30) is arranged on the inner top wall of the sewer pipe (11), the water collecting device (20) is arranged on the inner wall of the drain pipe (12), and the connecting pipe (24) is used to connect the water storage device (30) and the water collecting device (20); The water collecting device (20) comprises a hollow water collecting plate (21) arranged on the inner wall of the drain pipe (12), and a water collecting hole (23) formed on the side of the water collecting plate (21) away from the drain pipe (12); the connecting pipe (24) is in communication with the lower end of the water collecting plate (21); and the water storage device (30) is arranged obliquely below the water collecting plate (21).

2. The urban rainwater harvesting utilization system as claimed in claim 1, wherein: The side of the water collecting plate (21) close to the drain pipe (12) is arc-shaped and arranged on the inner wall of the drain pipe (12).

3. The urban rainwater harvesting utilization system as claimed in claim 2, wherein: The thickness of the upper end of the water collecting plate (21) is smaller than that of the lower end.

4. The urban rainwater harvesting utilization system as claimed in claim 1, wherein: The water collecting plate (21) is internally provided with filter cotton (25).

5. The urban rainwater harvesting utilization system as claimed in claim 1, wherein: The upper end of the water collecting plate (21) is provided with a first fixing ring (22), and a first bolt is inserted into the first fixing ring (22).

6. The urban rainwater harvesting utilization system as claimed in claim 1, wherein: The water storage device (30) comprises a plurality of arc-shaped support rods arranged on the inner top wall of the sewer pipe (11), a plurality of connecting rods used to connect the plurality of support rods, and a water storage bag (33) fixedly arranged on the lower side of the support rods. The plurality of support rods are distributed along the length direction of the sewer pipe (11), and the plurality of connecting rods are distributed along the circumferential direction of the sewer pipe (11).

7. The urban rainwater harvesting utilization system as claimed in claim 6, wherein: The side wall of the connecting rod is provided with a plurality of second fixing rings (34), and a second bolt is inserted into the second fixing ring (34).

8. The urban rainwater harvesting utilization system as claimed in claim 6, wherein: The water storage device (30) further comprises a water outlet pipe (35) arranged in the water storage bag (33); the water outlet pipe (35) is arranged at the inner lower end of the water storage bag (33), one end of the water outlet pipe (35) penetrates through the water storage bag (33) and extends outward.

9. The urban rainwater harvesting utilization system as claimed in claim 8, wherein: The part of the water outlet pipe (35) arranged in the water storage bag (33) is provided with a plurality of water outlet holes (36).

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