CN106522350A - Underground ecological reservoir - Google Patents

Abstract

The invention discloses an underground ecological reservoir. The underground ecological reservoir comprises a water storage tank, wherein the water storage tank consists of big-grain-diameter cobbles; a piece of first water-permeable geotextile is arranged on the top of the water storage tank; a filtering net is arranged on the top of the first water-permeable geotextile; a grading filtering layer is arranged on the top of the filtering net; a primary color water-permeable concrete layer is arranged on the top of the grading filtering layer; a colored water-permeable concrete layer is arranged on the top of the primary color water-permeable concrete layer; and plants are planted around the colored water-permeable concrete layer. By virtue of the primary color water-permeable concrete layer and the colored water-permeable concrete layer, water can rapidly permeate downwards and rainwater resource can be filtered, so that ground volume of runoff is reduced, and rainwater resource purification and collection capabilities are improved; in addition, by virtue of the internal structure formed by the big-grain-diameter cobbles and pipelines, mutual water circulation, and downward and all-around permeation of water can be formed, so that effects of irrigating the surrounding green plants and supplementing underground water resource are achieved.

Description

An underground ecological reservoir

technical field

The invention relates to a storage tank, in particular to an underground ecological storage tank.

Background technique

In recent years, with the continuous development of my country's economy, the urbanization process brought about by modernization has been accelerating, and disasters such as climate change and ecological environmental pollution have caused heavy rains in recent years. The loss of personnel is increasing year by year, and the control of waterlogging disasters in my country is urgent.

The research and development of the underground ecological reservoir network built in the pocket park is mainly aimed at our country's helplessness in dealing with heavy rain disasters. Its powerful functions of infiltration, stagnation, purification, storage, utilization and drainage can effectively alleviate The damage caused by the rainstorm to our country can improve the city's ability to deal with the rainstorm disaster, and the reservoir can infiltrate, filter, collect and reuse rainwater resources, and can also supplement the increasingly scarce groundwater resources and irrigate the surrounding green vegetation.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide an underground ecological water storage tank.

In order to solve the problems of the technologies described above, the present invention provides the following technical solutions:

The present invention is an underground ecological water storage tank, comprising a water storage tank, the water storage tank is composed of pebbles with large particle diameters, a first permeable geotextile is arranged on the top of the water storage tank, and a first permeable geotextile is arranged on the top of the first water permeable geotextile A filter screen, the top of the filter screen is provided with a graded filter layer, the top of the graded filter layer is provided with a primary color permeable concrete layer, and the top of the primary color permeable concrete layer is provided with a colored permeable concrete layer, and the colored permeable concrete layer Vegetation is planted around the concrete layer.

As a preferred technical solution of the present invention, an original soil compaction layer is provided around the water storage tank, a pipe is provided inside the original soil compaction layer, and a second permeable geotextile is provided on one side of the pipe. Small-sized pebbles are arranged inside the pipeline.

As a preferred technical solution of the present invention, the interior of the graded filter layer, the primary color permeable concrete layer and the colored permeable concrete layer is provided with a permeable concrete soil column, the permeable concrete soil column adopts a cylindrical structure, and the permeable concrete A tensile net is arranged inside the soil column, and the tensile net is made of polyethylene fiber material.

As a preferred technical solution of the present invention, the graded filter layer is made of graded gravel and gravel materials.

As a preferred technical solution of the present invention, the raw soil compacted layer is made of compacted soil materials.

As a preferred technical solution of the present invention, the diameter of the large-diameter pebbles is 30-35mm, and the diameter of the small-diameter pebbles is 15-20mm.

As a preferred technical solution of the present invention, the primary color permeable concrete layer and the colored permeable concrete layer are both made of aggregate, cement and water materials.

The beneficial effects achieved by the present invention are: the present invention can quickly penetrate downwards and filter rainwater resources through the set primary color permeable concrete layer and colored permeable concrete layer, reduce ground runoff, improve the ability to purify and collect rainwater resources, and in addition, large-grained The inner structure and pipes composed of pebbles can allow water to circulate and seep downward and to the surroundings, which can irrigate the surrounding green vegetation and replenish groundwater resources downward.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the front view of partial structure of the present invention;

In the figure: 1. Water storage tank; 2. Large-sized pebbles; 3. The first permeable geotextile; 4. Filter screen; 5. Graded filter layer; 6. Primary color permeable concrete layer; 7. Colored permeable concrete layer; 8 1. Raw soil tamping layer; 9. Pipeline; 10. Second permeable geotextile; 11. Small-sized pebbles; 12. Permeable concrete soil column; 13. Tensile net.

detailed description

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Example 1

As shown in Figure 1-2, the present invention provides an underground ecological reservoir, including a water storage tank 1, the water storage tank 1 is composed of large-sized pebbles 2, the top of the water storage tank 1 is provided with a first permeable geotextile 3, and the second The top of a permeable geotextile 3 is provided with a filter screen 4, the top of the filter screen 4 is provided with a graded filter layer 5, the top of the graded filter layer 5 is provided with a primary color permeable concrete layer 6, and the top of the primary color permeable concrete layer 6 is provided with The colored permeable concrete layer 7, and vegetation is planted around the colored permeable concrete layer 7.

The original soil compaction layer 8 is arranged around the water storage tank 1, and a pipeline 9 is arranged inside the original soil compaction layer 8, and a second permeable geotextile 10 is arranged on one side of the pipeline 9, and small-sized pebbles 11 are arranged inside the pipeline 9 , the second permeable geotextile 10 prevents impurities from entering the pipeline 9, and the pipeline 9 is convenient for communicating with each reservoir.

The inside of the first permeable geotextile 3, the filter screen 4 and the graded filter layer 5 are all provided with a permeable concrete soil column 12, the permeable concrete soil column 12 adopts a cylindrical structure, and the interior of the permeable concrete soil column 12 is provided with a tension net 13, The tensile net 13 is made of polyethylene fiber material, and the tensile net 13 provided is a filamentary material that can improve the tensile strength of the soil column, and it has a good effect of preventing extension and deformation.

The graded filter layer 5 is made of graded gravel and gravel materials. The graded filter layer 5 can effectively filter impurities and fine particles in the rainwater, so as to ensure the quality of water infiltrated into the reservoir.

The original soil compaction layer 8 is made of compacted soil material, and the original soil compaction layer 8 makes the structure of the reservoir stronger.

The diameter of the large-diameter pebbles 2 is 30-35mm, and the diameter of the small-diameter pebbles 11 is 15-20mm, so that the water in the reservoirs permeates downward and around, and ensures that each reservoir is in a connected state.

Both the primary color permeable concrete layer 6 and the colored permeable concrete layer 7 are made of aggregate, cement and water materials, which not only ensures the penetration of water, but also makes the structure of the reservoir more stable.

Specifically, the primary color permeable concrete layer 6 and the colored permeable concrete layer 7 can quickly infiltrate surface water, reduce surface runoff, and store infiltrated rainwater resources. The pipes 9 composed of pebbles 11 are discharged to the adjacent reservoirs. When all the reservoirs reach saturation, they are discharged to the municipal drainage system, thereby reducing the burden on the urban drainage system and effectively solving the waterlogging. The graded filter layer 5 can effectively filter the impurities in the rainwater and ensure the water quality infiltrated into the water storage tank 1. The internal structure composed of large-sized pebbles 2 can make the water in the water storage tank 1 permeate downwards and to the surroundings, effectively The function of irrigating the surrounding green vegetation and the water in the downward reservoir penetrating downward through the bottom of the reservoir composed of large-sized pebbles 2 is to replenish groundwater resources. The water inside the reservoir 1 is heated and evaporated in hot weather, and the water passes through the colored The permeable concrete layer 7 and the permeable concrete soil column 12 can take away the surface temperature by the principle of evaporation and heat dissipation, create a comfortable and cool living environment, and slow down the urban "heat island effect". In addition, the reservoir network can achieve regional and decentralized The purpose of comprehensively collecting and utilizing rainwater can greatly solve the situation of urban waterlogging and insufficient collection of rainwater resources in our country.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. a kind of underground ecological water storage tank, comprising water storage tank (1), is characterized in that, described water storage tank (1) is made of large particle diameter pebble (2), and the top of described water storage tank (1) is provided with the first A permeable geotextile (3), the top of the first permeable geotextile (3) is provided with a filter screen (4), and the top of the filter screen (4) is provided with a graded filter layer (5), the grade The top of the matching filter layer (5) is provided with a primary color permeable concrete layer (6), and the top of the primary color permeable concrete layer (6) is provided with a colored permeable concrete layer (7), and the surroundings of the colored permeable concrete layer (7) Planted with vegetation. 2. A kind of underground ecological water storage tank according to claim 1, is characterized in that, the surrounding of described water storage tank (1) is provided with original soil compaction layer (8), and the original soil compaction layer (8) A pipe (9) is arranged inside, a second permeable geotextile (10) is arranged on one side of the pipe (9), and small-diameter pebbles (11) are arranged inside the pipe (9). 3. a kind of underground ecological reservoir according to claim 1, is characterized in that, the inside of described first water-permeable geotextile (3), filter screen (4) and graded filter layer (5) are all provided with The permeable concrete soil column (12), the permeable concrete soil column (12) adopts a cylindrical structure, the inside of the permeable concrete soil column (12) is provided with a tensile net (13), and the tensile net (13) is Made of polyethylene fiber material. 4. A kind of underground ecological reservoir according to claim 3, characterized in that, the graded filter layer (5) is made of graded gravel and gravel materials. 5. A kind of underground ecological storage tank according to claim 2, characterized in that, the original soil rammed layer (8) is made of rammed soil material. 6. A kind of underground ecological reservoir according to claim 1, characterized in that, the diameter of the large-diameter pebble (2) is 30-35mm, and the diameter of the small-diameter pebble (11) is 15 mm. -20mm. 7. A kind of underground ecological reservoir according to claim 1, characterized in that, said primary color permeable concrete layer (6) and colored permeable concrete layer (7) are all made of aggregate, cement and water materials .