Anti-odor sewage structure for sponge city

Abstract

The utility model relates to the technical field of sewage collection, and specifically discloses an odor-proof sewage discharge structure for sponge cities, including a sewage box, a buffer tank and a purification box; the water outlet end at the bottom of the sewage box is connected to a guide tube through a first water supply pipe, the water outlet end of the guide tube is connected to the buffer tank through a second water supply pipe, and the water outlet end of the buffer tank is connected to the purification box through a third water supply pipe; a rotating shaft is rotatably connected in the guide tube, and a plurality of water wheel blades evenly arranged are connected to the shaft body of the rotating shaft; in the utility model, rainwater or part of sewage can be discharged into the sewage box, flow through a trapezoidal filter screen, and be filtered on both sides of the trapezoidal filter screen, and impurities retained on the plate surfaces on both sides of the trapezoidal filter screen can be flushed during the water flow, and the impurities flow into the filter basket, and the filtered water enters the guide tube from the first water supply pipe, drives the water wheel blades to rotate around the axis of the rotating shaft, and then enters the purification box through the buffer tank, which is beneficial to the effective sewage collection of rainwater and sewage, and convenient for the recycling of water resources.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage collection, in particular to an anti-odor sewage discharge structure for a sponge city. Background Art

[0002] The design and implementation of anti-odor drainage structures for sponge cities is a comprehensive process aimed at effectively controlling urban water pollution and promoting the recycling of water resources. It helps reduce pollutants in stormwater runoff and promotes the sustainable use of water resources.

[0003] The existing patent announcement number is CN212896692U, which discloses a rainwater infiltration channel for sponge city construction, including: a flow abandonment mechanism and an infiltration channel, the flow abandonment mechanism includes a sedimentation box, a sewage tank and a connecting pipe, the sedimentation box has a closed sedimentation chamber, the sedimentation box is provided with a water inlet, a water outlet and a sewage outlet connected to the sedimentation chamber, a first switch device is arranged in the sedimentation chamber, the first switch device is used to control the opening or closing of the sewage outlet, the sewage tank has a closed sewage chamber, a sewage inlet connected to the sewage chamber is arranged on the side wall of the sewage tank, a second switch device is arranged in the sewage chamber, the second switch device is used to control the opening or closing of the sewage inlet, one end of the connecting pipe is connected to the sewage outlet, and the other end of the connecting pipe is connected to the sewage inlet; by arranging the flow abandonment mechanism, rainwater with heavy pollution in the early stage of rainfall is discharged, so as to avoid rainwater with heavy pollution in the early stage of rainfall from entering the infiltration channel and polluting the underground, thereby effectively avoiding groundwater and soil pollution.

[0004] The above-mentioned infiltration channel can discharge and collect rainwater, but it is inconvenient to filter it during collection, which affects the effective collection of rainwater, and it is easy to produce odor after subsequent collection, which needs to be improved. In response to the above problems, an anti-odor drainage structure for sponge cities is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-odor and sewage discharge structure for a sponge city to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] Sponge city anti-odor sewage structure, including sewage tank, buffer tank and purification tank;

[0008] The water outlet at the bottom of the sewage tank is connected to the guide tube through a first water delivery pipe, the water outlet of the guide tube is connected to the buffer tank through a second water delivery pipe, and the water outlet of the buffer tank is connected to the purification box through a third water delivery pipe;

[0009] A rotating shaft is rotatably connected inside the guide cylinder, and a plurality of water wheel blades arranged evenly are connected to the shaft body of the rotating shaft;

[0010] A trapezoidal filter is provided in the sewage box, and a plurality of filter holes are provided on the mesh plates on both sides of the trapezoidal filter. A support for supporting the trapezoidal filter is provided in the sewage box, and filter baskets installed in the sewage box are provided at the bottom of both sides of the trapezoidal filter. The top of the sewage box is connected to a drainage mesh plate.

[0011] In an optional solution: the support member includes a first support bar and two groups of second support bars, the first support bar and the second support bar are fixedly connected to the inner wall of the sewage box, the first support bar is placed at the bottom of the trapezoidal filter screen cross plate, and the second support bar is placed at the bottom of both ends of the trapezoidal filter screen.

[0012] In an optional solution: a support frame for supporting the filter basket is provided in the sewage box, and a lifting frame connected to the filter basket is provided in the filter basket.

[0013] In an optional solution: the buffer tank is provided with a tank cover connected to the top of the buffer tank, the buffer tank is provided with a sewage interception hanging basket, the second water supply pipe is connected to the top of the sewage interception hanging basket, and the third water supply pipe is connected to one side of the bottom of the sewage interception hanging basket.

[0014] In an optional solution: the top of the purification box is connected to a supporting mesh plate.

[0015] In an optional solution: a mounting groove for placing a drainage mesh plate is provided on the top of the sewage box.

[0016] In an optional solution: one side of the sewage tank is connected to a drain pipe.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] In the utility model, rainwater or part of sewage can be discharged into the sewage box, flow through the trapezoidal filter screen, and be filtered on both sides of the trapezoidal filter screen. Impurities retained on the plate surfaces on both sides of the trapezoidal filter screen can be washed away during the water flow, and the impurities flow into the filter basket. Part of the rainwater and sewage are filtered through the filter basket. The filtered water enters the guide cylinder from the first water supply pipe, drives the water wheel blades to rotate around the axis of the rotating shaft, and then enters the purification box through the buffer tank, which is conducive to the effective collection of rainwater and sewage, and convenient for the recycling of water resources.

[0019] In the utility model, when rainwater and sewage do not flow, the water wheel blades stop rotating, which can prevent the odor in the buffer tank or the purification box from flowing into the sewage tank. The drainage mesh plate is opened, and the trapezoidal filter screen and the filter basket can be conveniently taken out for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a schematic diagram of the structure inside the sewage box in the utility model.

[0022] Figure 3 It is a schematic diagram of the partial split structure in the utility model.

[0023] Figure 4 It is a schematic diagram of the structure inside the guide tube in the utility model.

[0024] In the figure: 11, sewage tank; 12, first water supply pipe; 13, guide tube; 14, second water supply pipe; 15, buffer tank; 16, tank cover; 17, third water supply pipe; 18, purification box; 19, support mesh; 20, drainage mesh; 21, drainage pipe; 22, trapezoidal filter; 23, first support bar; 24, second support bar; 25, filter basket; 26, support frame; 27, lifting frame; 28, mounting groove; 29, rotating shaft; 30, water wheel blade. DETAILED DESCRIPTION

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 4 In this embodiment, the anti-odor sewage discharge structure for sponge city includes a sewage discharge box 11, a buffer tank 15 and a purification box 18;

[0028] The water outlet at the bottom of the sewage tank 11 is connected to the guide tube 13 through the first water supply pipe 12, the water outlet of the guide tube 13 is connected to the buffer tank 15 through the second water supply pipe 14, and the water outlet of the buffer tank 15 is connected to the purification box 18 through the third water supply pipe 17;

[0029] The guide tube 13 is rotatably connected to a rotating shaft 29, and the rotating shaft 29 is connected to a plurality of water wheel blades 30 that are evenly arranged;

[0030] The sewage box 11 is provided with a trapezoidal filter screen 22, and the mesh plates on both sides of the trapezoidal filter screen 22 are provided with a plurality of filter holes. The sewage box 11 is provided with a support for supporting the trapezoidal filter screen 22. The bottom of both sides of the trapezoidal filter screen 22 is provided with a filter basket 25 installed in the sewage box 11, and the top of the sewage box 11 is connected to the drainage mesh plate 20;

[0031] In this embodiment, rainwater or part of sewage can be discharged into the sewage tank 11, flow through the trapezoidal filter screen 22, and be filtered on both sides of the trapezoidal filter screen 22. The impurities retained on the plate surfaces on both sides of the trapezoidal filter screen 22 can be washed away during the water flow, and the impurities flow into the filter basket 25. Part of the rainwater and sewage are filtered through the filter basket 25. The filtered water enters the guide tube 13 from the first water supply pipe 12, drives the water wheel blades 30 to rotate around the axis of the rotating shaft 29, and then enters the purification box 18 through the buffer tank 15;

[0032] When rainwater and sewage do not flow, the water wheel blades 30 stop rotating to prevent the odor in the buffer tank 15 or the purification box 18 from flowing into the sewage tank 11. The drainage mesh plate 20 is opened to facilitate the removal and cleaning of the trapezoidal filter screen 22 and the filter basket 25.

[0033] In another embodiment, the support member includes a first support bar 23 and two sets of second support bars 24, the first support bar 23 and the second support bar 24 are both fixedly connected to the inner wall of the sewage tank 11, the first support bar 23 is placed at the bottom of the horizontal plate of the trapezoidal filter screen 22, and the second support bar 24 is placed at the bottom of both ends of the trapezoidal filter screen 22;

[0034] The first support bar 23 and the second support bar 24 can support the trapezoidal filter screen 22 , and the trapezoidal filter screen 22 can perform filtering, and the sewage is filtered on both sides of the trapezoidal filter screen 22 . During the flow of sewage, impurities retained on both sides of the trapezoidal filter screen 22 can be flushed and flushed to the filter basket 25 .

[0035] In another embodiment, a support frame 26 for supporting the filter basket 25 is provided in the sewage box 11, and a lifting frame 27 connected to the filter basket 25 is provided in the filter basket 25; the filter basket 25 can be easily taken out through the lifting frame 27.

[0036] In another embodiment, the buffer tank 15 is provided with a tank cover 16 connected to the top of the buffer tank 15, the buffer tank 15 is provided with a sewage interception hanging basket, the second water supply pipe 14 is connected to the top of the sewage interception hanging basket, and the third water supply pipe 17 is connected to one side of the bottom of the sewage interception hanging basket; the filtered water in the sewage tank 11 can enter the buffer tank 15 through the first water supply pipe 12, the guide tube 13 and the second water supply pipe 14, and after being filtered by the sewage interception hanging basket, enter the purification box 18 from the third water supply pipe 17.

[0037] In another embodiment, the top of the purification box 18 is connected to the supporting mesh plate 19; in actual use, sand, gravel, etc. can be laid on the top of the supporting mesh plate 19, and crops or plants can be planted on the top. The sand, gravel, supporting mesh plate 19, etc. are used to collect the infiltration of surface water. The existing activated carbon filter bed can be laid in the purification box 18, and the existing water intake pipe can be set to extend into the purification box 18 for subsequent water intake and irrigation.

[0038] In another embodiment, a mounting groove 28 for placing the drainage mesh plate 20 is provided on the top of the sewage box 11 .

[0039] In another embodiment, one side of the sewage tank 11 is connected to a drain pipe 21 ; water in other rainwater pipes can be discharged into the sewage tank 11 through the drain pipe 21 .

[0040] The working principle of the utility model is as follows: rainwater or part of sewage can be discharged into the sewage tank 11, flow through the trapezoidal filter screen 22, and be filtered on both sides of the trapezoidal filter screen 22. The impurities retained on the plate surfaces on both sides of the trapezoidal filter screen 22 can be washed away during the water flow, and the impurities flow into the filter basket 25. Part of the rainwater and sewage are filtered through the filter basket 25. The filtered water enters the guide tube 13 from the first water supply pipe 12, drives the water wheel blades 30 to rotate around the axis of the rotating shaft 29, and then enters the purification box 18 through the buffer tank 15;

[0041] When rainwater and sewage do not flow, the water wheel blades 30 stop rotating to prevent the odor in the buffer tank 15 or the purification box 18 from flowing into the sewage tank 11. The drainage mesh plate 20 is opened to facilitate the removal and cleaning of the trapezoidal filter screen 22 and the filter basket 25.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An anti-odor sewage discharge structure for a sponge city, comprising a sewage discharge tank (11), a buffer tank (15) and a purification tank (18); Features: The water outlet at the bottom of the sewage tank (11) is connected to the guide tube (13) via a first water supply pipe (12), the water outlet of the guide tube (13) is connected to the buffer tank (15) via a second water supply pipe (14), and the water outlet of the buffer tank (15) is connected to the purification box (18) via a third water supply pipe (17); The guide tube (13) is rotatably connected to a rotating shaft (29), and a plurality of water wheel blades (30) arranged evenly are connected to the shaft of the rotating shaft (29); A trapezoidal filter screen (22) is provided in the sewage box (11), and a plurality of filter holes are provided on the mesh plates on both sides of the trapezoidal filter screen (22). A support member for supporting the trapezoidal filter screen (22) is provided in the sewage box (11). Filter baskets (25) installed in the sewage box (11) are provided at the bottom of both sides of the trapezoidal filter screen (22), and the top of the sewage box (11) is connected to a drainage mesh plate (20).

2. The anti-odor and sewage discharge structure for sponge cities according to claim 1 is characterized in that: The support member comprises a first support bar (23) and two groups of second support bars (24); the first support bar (23) and the second support bar (24) are both fixedly connected to the inner wall of the sewage discharge box (11); the first support bar (23) is placed at the bottom of the horizontal plate of the trapezoidal filter screen (22); and the second support bar (24) is placed at the bottom of both ends of the trapezoidal filter screen (22).

3. The anti-odor and sewage discharge structure for sponge cities according to claim 1 is characterized in that: A support frame (26) for supporting the filter basket (25) is provided in the sewage discharge box (11), and a lifting frame (27) connected to the filter basket (25) is provided in the filter basket (25).

4. The anti-odor and sewage discharge structure for sponge cities according to claim 1 is characterized in that: The buffer tank (15) is provided with a tank cover (16) connected to the top of the buffer tank (15), the buffer tank (15) is provided with a sewage interception hanging basket, the second water supply pipe (14) is connected to the top of the sewage interception hanging basket, and the third water supply pipe (17) is connected to one side of the bottom of the sewage interception hanging basket.

5. The anti-odor and sewage discharge structure for sponge cities according to claim 1 is characterized in that: The top of the purification box (18) is connected to a supporting mesh plate (19).

6. The anti-odor and sewage discharge structure for sponge cities according to claim 1 is characterized in that: The top of the sewage box (11) is provided with a mounting groove (28) for placing the drainage mesh plate (20).

7. The anti-odor and sewage discharge structure for sponge cities according to claim 1 is characterized in that: One side of the sewage tank (11) is connected to a drainage pipe (21).

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