Sunken rainwater treatment system

Abstract

The utility model discloses a sunken rainwater treatment system which comprises a medium soil layer, an overflow well, an impermeable film and a drainage pipe. The medium soil layer is arranged on an original soil matrix and used for collecting rainwater on the surface of a road; a water storage groove is formed in the top of the medium soil layer; the bottom of the overflow well communicates with the medium soil layer, and the top is located in the water storage groove; the impermeable films are arranged at the bottom and the side wall of the medium soil layer; the other end of the drainage pipe is used for being connected with a municipal pipe network. Rainwater on the surface of a road flows into the medium soil layer, one part of the rainwater enters the overflow well from the well bottom, the other part of the rainwater is stored in the water storage groove, the rainwater submerging the top of the overflow well enters the overflow well and is finally drained to a municipal pipe network through the water drainage pipe, and the water storage layer, the medium soil layer and the overflow well can all store certain rainwater. And moreover, rainwater can be collected, the rainwater is filtered and purified by the medium soil layer and then discharged to a municipal pipe network, and water resource crisis caused by water resource pollution is avoided.

Description

Technical Field

[0001] The present application belongs to the technical field of rainwater treatment equipment, and specifically relates to a sunken rainwater treatment system. Background Art

[0002] For cities with high annual rainfall, the diameter of the pipes is too small when they are designed, resulting in insufficient drainage speed and capacity during heavy rains, leading to rainwater flooding. For cities that lack rainwater resources, since hard bricks are commonly used in urban roads and squares, a large amount of rainwater resources enter the drainage pipes, causing rainwater flooding. Utility Model Content

[0003] In order to solve the technical problems in the prior art that the pipe diameter is too small, resulting in insufficient drainage speed and capacity of urban drainage pipes during heavy rain, resulting in rainwater flooding; a large amount of rainwater resources enter the drainage pipes, resulting in rainwater flooding, the present application provides a sinking rainwater treatment system. The present application provides a sinking rainwater treatment system, including:

[0004] The medium soil layer is arranged on the original soil base and is used to collect rainwater on the road surface; a water storage groove is arranged on the top of the medium soil layer;

[0005] An overflow well is arranged in the medium soil layer, the bottom of the well is connected to the medium soil layer, and the top of the well is located in the water storage groove;

[0006] An anti-seepage membrane is arranged at the bottom and side walls of the medium soil layer;

[0007] A drainage pipe, one end of which is connected to the overflow well, and the other end of which is used to connect to the municipal pipe network.

[0008] In some optional embodiments, the overflow well includes a wellbore and a well grate; a connecting hole connected to the medium soil layer is provided at the bottom of the wellbore; the well grate covers the top of the wellbore, and the top of the well grate is lower than the highest point of the water storage groove.

[0009] In some optional embodiments, the overflow well also includes a sewage interception basket and a filter box; the sewage interception basket is arranged in the wellbore; the filter box is arranged at the bottom of the wellbore, and the bottom surface is connected to the connecting hole, which is used to filter the rainwater entering the medium soil layer through the bottom of the wellbore.

[0010] In some optional embodiments, the filter box includes a box body, an adsorption medium and a water-permeable cloth. The box body is a square structure and is hollow inside. The outer wall of the box body is provided with water-permeable holes. The adsorption medium is filled in the box body; the water-permeable cloth is wrapped around the outer wall of the box body.

[0011] In some optional embodiments, the adsorption medium is slag, and the minimum particle size of the slag is larger than the aperture of the water-permeable pores.

[0012] In some optional embodiments, the position where the drain pipe is connected to the overflow well is higher than the top of the filter box.

[0013] In some optional embodiments, the medium soil layer includes 60% to 90% by volume of aggregate and 10% to 40% by volume of coconut bran.

[0014] In some optional embodiments, a curbstone is further included, wherein the curbstone is provided with a concentrated flow channel, one end of the concentrated flow channel is connected to the road, and the other end leads to the water storage groove, so as to introduce rainwater on the road into the medium soil layer.

[0015] In some optional embodiments, the bottom of the concentrated flow channel is higher than the highest point of the medium soil layer.

[0016] In some optional embodiments, green plants are also planted on the medium soil layer.

[0017] Compared with the prior art, the sunken rainwater treatment system provided by the utility model has the following beneficial effects:

[0018] Rainwater on the road surface flows into the medium soil layer. Part of the rainwater enters the overflow well from the bottom of the overflow well, and the other part is stored in the water storage groove. When the rainwater in the water storage groove exceeds the top of the overflow well, it enters the overflow well from the top of the overflow well, and is finally discharged to the municipal pipeline network through the drainage pipe. The aquifer, medium soil layer and overflow well can store a certain amount of rainwater to avoid waterlogging caused by water accumulation on the road surface, and can collect rainwater. The medium soil layer can filter and purify the rainwater, so that the rainwater is discharged to the municipal pipeline network after purification to avoid water resource pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram of a sunken rainwater treatment system in one or more embodiments of the utility model is shown.

[0020] Explanation of reference numerals: 100 - road; 200 - original soil foundation; 1 - medium soil layer, 11 - water storage groove, 12 - slideway; 2 - overflow well, 21 - well shaft, 211 - connecting hole, 22 - well grate, 23 - sewage interception hanging basket, 24 - filter box, 241 - box body, 242 - adsorption medium, 243 - permeable cloth; 3 - anti-seepage membrane; 4 - drainage pipe; 5 - curbstone, 51 - concentrated flow channel. DETAILED DESCRIPTION

[0021] In order to make the technical personnel in the technical field to which the present application belongs to understand the present application more clearly, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0022] Please refer to Figure 1 As shown, the embodiment of the present application provides a sunken rainwater treatment system, including a medium soil layer 1, an overflow well 2, an impermeable membrane 3 and a drainage pipe 4, wherein:

[0023] The medium soil layer 1 is arranged on the original soil foundation 200 and is used to collect rainwater on the surface of the road 100; a water storage groove 11 is arranged on the top of the medium soil layer 1, and the shape of the water storage groove 11 is an arc, and the two sides of the water storage groove 11 are high on the outside and low on the inside, and the downwardly arranged slide 12 is convenient for rainwater to flow to the water storage groove 11 and enter the medium soil layer 1; after the rainwater is infiltrated, filtered and purified by the medium soil layer 1, it enters the overflow well 2;

[0024] The overflow well 2 is arranged in the medium soil layer 1, the bottom of which is connected to the medium soil layer 1, and the top of which is located in the water storage groove 11. A part of the rainwater in the medium soil layer 1 can enter the overflow well 2 through the bottom of the overflow well 2, and the other part is stored in the water storage groove 11. When the rainwater in the water storage groove 11 is submerged above the top of the overflow well 2, the rainwater enters the overflow well 2 from the top of the overflow well 2;

[0025] The anti-seepage membrane 3 is arranged at the bottom and side wall of the medium soil layer 1 to prevent rainwater from continuing to infiltrate and destroy the original soil base 200, thereby preventing the original soil base 200 from sinking and affecting the stability of the road 100;

[0026] The drainage pipe 4 has one end connected to the overflow well 2 and the other end used to connect to the municipal pipe network.

[0027] The sunken rainwater treatment system provided in the embodiment of the present application is that rainwater on the surface of the road 100 flows into the medium soil layer 1, a part of the rainwater enters the overflow well 2 from the bottom of the overflow well 2, and the other part of the rainwater is stored in the water storage groove 11. When the rainwater in the water storage groove 11 exceeds the top of the overflow well 2, it enters the overflow well 2 from the top of the overflow well 2, and is finally discharged to the municipal pipeline network through the drainage pipe 4. The aquifer, the medium soil layer 1 and the overflow well 2 can all store a certain amount of rainwater to avoid waterlogging caused by water accumulation on the surface of the road 100, and rainwater can be collected. The medium soil layer 1 can filter and purify the rainwater so that the purified rainwater is discharged to the municipal pipeline network to avoid water resource pollution and water resource crisis.

[0028] In some optional embodiments, the overflow well 2 includes a wellbore 21 and a well grate 22; the bottom of the wellbore 21 is provided with a connecting hole 211 connected to the medium soil layer 1; the well grate 22 covers the top of the wellbore 21, and the top of the well grate 22 is lower than the highest point of the water storage groove 11. By providing the connecting hole 211 connected to the medium soil layer 1 at the bottom of the wellbore 21, rainwater in the medium soil layer 1 can enter the overflow well 2 through the connecting hole 211, and the top of the well grate 22 is lower than the highest point of the water storage groove 11. In actual setting, the water storage groove 11 can be provided with a drainage warning line, and the height of the well grate 22 is set to be flush with the drainage warning line of the water storage groove 11. When the rainwater in the water storage groove 11 exceeds the drainage warning line, the excess rainwater enters the overflow well 2 through the well grate 22.

[0029] In some optional embodiments, the overflow well 2 further includes a sewage interception basket 23 and a filter box 24; the sewage interception basket 23 is arranged in the well 21; the filter box 24 is arranged at the bottom of the well 21, and the bottom surface is connected to the connecting hole 211, and is used to filter the rainwater entering the medium soil layer 1 through the bottom of the well 21. The sewage interception basket 23 is arranged at the upper part of the well 21, and the rainwater entering the overflow well 2 from the well grate 22 is intercepted by the sewage interception basket 23, and then discharged to the municipal pipe network through the drainage pipe 4, and the rainwater entering the medium soil layer 1 through the bottom of the well 21 is filtered by the filter box 24; the rainwater discharged to the municipal pipe network is filtered and the residue is intercepted by the above arrangement, so as to avoid the rainwater from polluting the water of the municipal pipe network and avoid the pollution of water resources.

[0030] In some optional embodiments, the filter box 24 includes a box body 241, an adsorption medium 242 and a water-permeable cloth 243. The box body 241 is a square structure with a hollow interior. The outer wall of the box body 241 is provided with water-permeable holes. The adsorption medium 242 is filled in the box body 241; the water-permeable cloth 243 is wrapped around the outer wall of the box body 241. The box body 241 is made of stainless steel mesh, and the water-permeable cloth 243 is a water-permeable geotextile. The water-permeable cloth 243 is wrapped around the outer wall of the box body 241 at 360 degrees. The adsorption medium 242 can absorb pollutants in rainwater to prevent rainwater from polluting water resources in the municipal pipe network.

[0031] In some optional embodiments, the adsorption medium 242 is made of slag, and the minimum particle size of the slag is larger than the aperture of the water-permeable hole. Slag is the residue of ore after beneficiation or smelting, and pollutants in rainwater can be adsorbed by slag, and the slag can be utilized at the same time; the minimum particle size of the slag is larger than the aperture of the water-permeable hole, so that the slag will not leak out inside the box 241, improving reliability and stability.

[0032] In some optional embodiments, the position where the drain pipe 4 is connected to the overflow well 2 is higher than the top of the filter box 24. By setting the position where the drain pipe 4 is connected to the overflow well 2 to be higher than the top of the filter box 24, it can be ensured that rainwater is always stored in the medium soil layer 1, the water storage capacity of the device is improved, and part of the rainwater that cannot be discharged in time can be stored, thereby preventing water accumulation on the surface of the road 100 and causing waterlogging.

[0033] In some optional embodiments, the medium soil layer 1 includes 60% to 90% aggregate and 10% to 40% coconut bran by volume. Aggregate is a granular loose material that acts as a skeleton or filler in concrete. Aggregate, as the main raw material in concrete, plays a skeleton and supporting role in buildings; coconut bran is coconut shell fiber powder, which is a by-product or waste of processed coconut. It is a pure natural organic medium that falls off during the processing of coconut shell fiber. The processed coconut bran is very suitable for cultivating plants and is currently a popular gardening medium. The medium soil layer 1 uses aggregate and coconut bran to replace the original planting soil, with high permeability, not easy to compact, and high pollutant removal rate.

[0034] In some optional embodiments, the sunken rainwater treatment system further includes a curbstone 5, the curbstone 5 is provided with a centralized flow channel 51, one end of the centralized flow channel 51 is connected to the road 100, and the other end leads to the water storage groove 11, so as to introduce the rainwater on the road 100 into the medium soil layer 1. One end of the centralized flow channel 51 is flush with the surface of the road 100, and the other end is connected to the water storage groove 11. After the rainwater on the road 100 is guided to the water storage groove 11 through the centralized flow channel 51, it infiltrates into the medium soil layer 1.

[0035] In some optional embodiments, the bottom of the centralized flow channel 51 is higher than the highest point of the medium soil layer 1. By setting the bottom of the centralized flow channel 51 higher than the highest point of the medium soil layer 1, it is convenient for all water on the road 100 to flow through the water storage groove 11 and then penetrate into the medium soil layer 1, thereby avoiding water accumulation on the surface of the road 100.

[0036] In some optional embodiments, green plants are also planted on the medium soil layer 1. By planting green plants in the medium soil layer 1, rainwater stored in the medium soil layer 1 can be utilized, and there is no need to water the green plants, which can play a role in resource utilization.

[0037] The working principle of the sunken rainwater treatment system proposed in the utility model is as follows: rainwater on the surface of the road 100 flows into the medium soil layer 1, a part of the rainwater enters the overflow well 2 after being filtered through the filter box 24 from the bottom of the overflow well 2, and is discharged to the municipal pipe network through the drainage pipe 4; the other part of the rainwater is stored in the water storage groove 11, and when the rainwater in the water storage groove 11 exceeds the top of the overflow well 2, the rainwater entering the overflow well 2 from the well grate 22 is intercepted by the sewage interception basket 23, and then discharged to the municipal pipe network through the drainage pipe 4; the water storage layer, the medium soil layer 1 and the overflow well 2 can all store a certain amount of rainwater to avoid waterlogging caused by water accumulation on the surface of the road 100, and rainwater can be collected, and the medium soil layer 1 can filter and purify the rainwater so that the rainwater is discharged to the municipal pipe network after purification, thereby avoiding water resource pollution and water resource crisis.

[0038] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise" and "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0041] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A sinking rainwater treatment system, characterized in that: include: The medium soil layer is set on the original soil base to collect rainwater on the road surface; A water storage groove is provided on the top of the medium soil layer; An overflow well is arranged in the medium soil layer, the bottom of which is connected to the medium soil layer, and the top of which is located in the water storage groove; An anti-seepage membrane is arranged at the bottom and side walls of the medium soil layer; A drainage pipe, one end of which is connected to the overflow well, and the other end of which is used to connect to the municipal pipe network.

2. The sunken rainwater treatment system according to claim 1, characterized in that: The overflow well includes a well shaft and a well grate; a connecting hole connected to the medium soil layer is arranged at the bottom of the well shaft; the well grate covers the top of the well shaft, and the top of the well grate is lower than the highest point of the water storage groove.

3. The sunken rainwater treatment system according to claim 2, characterized in that: The overflow well also includes a sewage interception basket and a filter box; the sewage interception basket is arranged in the well shaft; the filter box is arranged at the bottom of the well shaft, and the bottom surface is connected to the connecting hole, which is used to filter the rainwater entering the medium soil layer through the bottom of the well shaft.

4. The sunken rainwater treatment system according to claim 3, characterized in that: The filter box includes a box body, an adsorption medium and a water-permeable cloth. The box body is a cubic structure and is hollow inside. The outer wall of the box body is provided with water-permeable holes. The adsorption medium is filled in the box body; the water-permeable cloth is wrapped around the outer wall of the box body.

5. The sunken rainwater treatment system according to claim 4, characterized in that: The adsorption medium is slag, and the minimum particle size of the slag is larger than the aperture of the water permeable hole.

6. The sunken rainwater treatment system according to claim 3, characterized in that: The position where the drain pipe is connected to the overflow well is higher than the top of the filter box.

7. The sunken rainwater treatment system according to claim 1, characterized in that: It also includes a curbstone, which is provided with a concentrated flow channel, one end of which is connected to the road, and the other end of which leads to the water storage groove, so as to introduce rainwater on the road into the medium soil layer.

8. The sinking rainwater treatment system according to claim 7, characterized in that: The bottom of the concentrated flow channel is higher than the highest point of the medium soil layer.

9. The sunken rainwater treatment system according to any one of claims 1 to 8, characterized in that: Green plants are also planted on the medium soil layer.

Images